CN111342146A - Three-needle rear insert square electric core winding machine - Google Patents

Three-needle rear insert square electric core winding machine Download PDF

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Publication number
CN111342146A
CN111342146A CN202010285157.9A CN202010285157A CN111342146A CN 111342146 A CN111342146 A CN 111342146A CN 202010285157 A CN202010285157 A CN 202010285157A CN 111342146 A CN111342146 A CN 111342146A
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CN
China
Prior art keywords
seat
winding
assembly
plate
pole piece
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Pending
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CN202010285157.9A
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Chinese (zh)
Inventor
卢雪军
张新球
李泉
漆明金
童胜
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Dongguan Anyang Intelligent Technology Co ltd
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Dongguan Anyang Intelligent Technology Co ltd
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Priority to CN202010285157.9A priority Critical patent/CN111342146A/en
Publication of CN111342146A publication Critical patent/CN111342146A/en
Pending legal-status Critical Current

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/05—Accumulators with non-aqueous electrolyte
    • H01M10/058—Construction or manufacture
    • H01M10/0587—Construction or manufacture of accumulators having only wound construction elements, i.e. wound positive electrodes, wound negative electrodes and wound separators
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M6/00—Primary cells; Manufacture thereof
    • H01M6/005—Devices for making primary cells
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50—Manufacturing or production processes characterised by the final manufactured product

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Secondary Cells (AREA)

Abstract

The invention discloses a three-needle rear insert square electric core winder, which comprises a diaphragm unwinding mechanism, a pole piece unwinding mechanism and a pole piece feeding and cutting mechanism, and comprises two feeding and cutting assemblies, wherein the feeding and cutting assemblies are used for clamping a pole piece to pass through a pole piece single-roll assembly and then feeding the pole piece to a winding mechanism, and/or cutting the pole piece in sections after the winding mechanism winds the pole piece to a set length; the winding mechanism comprises three plug-in winding needle assemblies, the three plug-in winding needle assemblies circularly rotate among a winding station, a transfer station and a blanking station, and the plug-in winding needle assemblies at the winding station are matched with a pressing wheel mechanism and a welding and cutting ending mechanism which are arranged on the peripheral side of the winding mechanism to perform cell pre-winding, insert winding, diaphragm welding and ending on a cell in sequence to complete winding; and the rubberizing mechanism is matched with the plug-in winding needle assembly rotating to the transfer station to rubberize the battery cell.

Description

Three-needle rear insert square electric core winding machine
Technical Field
The invention relates to the technical field of lithium battery winding equipment, in particular to a three-needle rear insert square electric core winding machine.
Background
In the existing battery cell equipment, the winding-type battery cell is adopted by the majority of lithium battery manufacturing enterprises due to the advantages of stable battery performance, high manufacturing efficiency and the like in the battery cell, and the occupied proportion of the market is very high, so that the corresponding battery winding machine is also in high demand.
However, the winding machine in the winding machine for the square battery cell in the existing market has the disadvantages of large manufacturing difficulty of the square battery cell, high equipment cost and low yield due to the fact that the size of the square battery cell is smaller and the requirement on process precision is higher and higher. Meanwhile, the existing winding machine for winding the square battery cell has the problems of complex structure, unreasonable station distribution, low processing efficiency, complex operation, unstable battery cell production and low yield.
In the related art, a better technical solution for solving the above problems is still lacking.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a three-needle rear insertion sheet square electric core winding machine aiming at the problems in the prior art, and the winding machine has the advantages of reasonable station layout, low equipment cost, simple operation, high processing efficiency of winding electric cores and good quality of electric cores.
In order to solve the technical problem, the invention adopts the following technical scheme that the three-needle rear insert square electric core winding machine comprises: the membrane unwinding mechanism is used for unwinding a membrane of the battery cell to the winding mechanism; the pole piece unreeling mechanism is used for carrying out length measurement, powder brushing and dust collection and deviation correction on a pole piece of the battery cell and then sending the pole piece to the pole piece feeding and cutting mechanism; the pole piece feeding and cutting mechanism comprises two pole piece feeding and cutting assemblies, wherein the pole piece feeding and cutting assemblies are used for clamping a pole piece, passing through a pole piece single-roll assembly and then feeding the pole piece to a winding mechanism, and/or cutting the pole piece in sections after the winding mechanism winds the pole piece to a set length; the winding mechanism comprises three plug-in winding needle assemblies, the three plug-in winding needle assemblies circularly rotate among a winding station, a transfer station and a blanking station, and the plug-in winding needle assemblies at the winding station are matched with a pressing wheel mechanism and a welding and cutting ending mechanism which are arranged on the peripheral side of the winding mechanism to sequentially perform cell pre-winding, insert winding, diaphragm welding and ending on a cell so as to complete winding; the rubberizing mechanism is matched with the plug-in winding needle assembly which rotates to the transfer station to rubberize the battery cell; and the blanking core pressing mechanism is movably butted with the plug-in winding needle assembly which rotates to the blanking station, and is used for rejecting the badly wound battery core after the battery core is accepted or carrying out core pressing and short circuit testing on the battery core in sequence and carrying out blanking.
As a further elaboration of the above technical solution:
in the technical scheme, the winding mechanism further comprises a triangular sheet feeder which is arranged at a winding station and used for guiding the pole piece and the diaphragm to the pluggable winding needle assembly; the three pluggable winding needle assemblies are arranged on the revolution assembly, the revolution assembly comprises a base seat arranged on a winding base arranged perpendicular to a panel of the winding machine, a turning plate is assembled on the base seat through a bearing, the three pluggable winding needle assemblies are arranged on the turning plate, a transmission gear is arranged on one axial side of the turning plate and is meshed and connected with a driving gear arranged on a driving shaft of a speed reducer driven by a revolution motor, so that the revolution motor can drive the turning plate to rotate and drive the three pluggable winding needle assemblies to circularly rotate among a winding station, a transfer station and a discharging station; the pluggable winding needle assembly comprises a winding needle shaft, a winding needle connected with the winding needle shaft through a winding needle connector, a winding needle mandrel movably penetrating through the winding needle shaft and connected with an inserting sheet movably penetrating through the winding needle connector, and an ejector pin movably penetrating through the winding needle mandrel, wherein the winding needle shaft is movably assembled on the turnover disc through a shaft sleeve; the needle winding shaft is also provided with a drawing block, the end of the needle winding mandrel, which extends out of the needle winding shaft, is provided with a shaft tail wheel, the needle winding mandrel is also movably sleeved with a shaft tail drawing wheel which can slide along the needle winding mandrel, and the shaft tail drawing wheel is connected with the ejector pin; the base seat is provided with a drawing device which is movably butted with a drawing block of the plug-in winding needle assembly positioned at a winding station and a blanking station, the drawing device comprises a mounting plate which is arranged on the base seat and extends along the axial direction of the turnover disc, the mounting plate is provided with a linear guide rail extending along the axial direction of the turnover disc, the linear guide rail is provided with a sliding plate, the sliding plate is vertically provided with a jacking air cylinder, the jacking air cylinder is in transmission connection with the clamping seat, and the sliding plate is also in transmission connection with a driving motor arranged on the mounting plate through a ball screw; the jacking cylinder drives the clamping seat to move towards the drawing block and be clamped with the drawing block, and the driving motor is matched to drive the sliding plate to slide along the linear guide rail, so that the drawing block drives the pluggable winding needle assembly to move, and the winding needle is inserted into or withdrawn from the front-arranged reducing mouths at the winding station and the blanking station; the winding base is further provided with two ejector pin drawing devices movably butted with the shaft tail drawing wheel of the pluggable winding needle assembly positioned at a winding station and a blanking station, each ejector pin drawing device comprises a support frame arranged on the winding base, a drawing air cylinder arranged towards the turnover disc is arranged on each support frame, the drawing air cylinders are in transmission connection with guide rod sliding seats, the guide rod sliding seats are connected with push needle connecting blocks through guide rods, the push needle connecting blocks are provided with drawing bearings movably clamped with the shaft tail drawing wheels, and the push needle connecting blocks are further in transmission connection with ejector pin air cylinders arranged on the guide rod sliding seats; the ejector pin cylinder drives the push pin connecting block to move towards the shaft tail pulling wheel and be clamped with the shaft tail pulling wheel, and the push pin cylinder drives the guide rod sliding seat to move in a matched mode to drive the ejector pin to be in butt joint with the winding needle connector and enable the winding needle piece of the winding needle to be opened or clamped; the winding base is further provided with two inserting piece pulling devices which are movably butted with a shaft tail wheel of the pluggable winding needle assembly at a winding station and a blanking station respectively, each inserting piece pulling device comprises a first support frame arranged on the winding base, a first linear guide rail extending along the axial direction of the turnover disc is arranged on the first support frame, a sliding block in transmission connection with a first pulling cylinder arranged on the first support frame is arranged on the first linear guide rail, the sliding block is connected with an inserting piece joint through a first guide rod, an inserting piece push-pull plate used for being connected with the shaft tail wheel in a clamping manner is arranged on the inserting piece joint, and the inserting piece joint is also in transmission connection with an inserting piece cylinder arranged on the sliding block; inserted sheet cylinder transmission inserted sheet connects and drives the inserted sheet push-and-pull board orientation the shaft tail wheel removes, cooperates first extraction cylinder transmission sliding block slides along first linear guide, makes the shaft tail wheel drives roll up the needle dabber and remove and drive the inserted sheet is parallel roll up the needle and insert the electric core after the prewinding or will the inserted sheet is extracted from the electric core of coiling.
In the technical scheme, the diaphragm unwinding mechanism comprises two diaphragm unwinding units, each diaphragm unwinding unit comprises a diaphragm unwinding assembly, at least one static electricity removing assembly, a diaphragm tension adjusting assembly and a diaphragm length measuring assembly, the diaphragm unwinding assemblies are arranged on a panel of the winding machine and sequentially arranged along the diaphragm unwinding direction, and the diaphragm is unwound to the winding mechanism after being unwound from the diaphragm unwinding assembly and sequentially subjected to static electricity removing, tension adjusting and length measuring; the diaphragm unwinding assembly comprises a base arranged on the panel, a supporting rod penetrating through the base and the panel is arranged on the base, a roller supporting plate for installing a diaphragm roller is arranged at one end, extending out of the panel, of the supporting rod, a linkage plate is fixedly connected to the other end, relatively far away from the roller supporting plate, of the supporting rod, a transmission lead screw is further arranged between the base and the linkage plate, and the transmission lead screw is in transmission connection with a deviation correcting motor through a coupler; the base is further provided with an unwinding expansion shaft which penetrates through the linkage plate and the panel and extends out through a linear bearing, the unwinding expansion shaft is connected with the linkage plate through the linear bearing, the unwinding expansion shaft is in transmission connection with an expansion shaft cylinder arranged on the linkage plate through an expansion shaft connector, and the unwinding expansion shaft is further in transmission connection with an unwinding driving motor arranged on the linkage plate through a first synchronous belt transmission pair; the static electricity removing assembly comprises a support plate arranged on a support for mounting the membrane unwinding roller, and an ion rod arranged in parallel with the membrane unwinding roller is arranged on the support plate; the diaphragm tension adjusting assembly comprises a frame seat arranged on the panel, two second linear guide rails extending along the length direction of the frame seat are arranged on the frame seat, a sliding groove is formed in the frame seat, a sliding plate for installing a tension roller is arranged on each second linear guide rail, the sliding plate is fixedly connected with a sliding block penetrating through the sliding groove, and the sliding block is in transmission connection with a tension adjusting motor arranged on the frame seat through a guide shaft and a bent rod; the diaphragm length measuring assembly comprises a length measuring angle seat fixedly connected with the panel, the length measuring angle seat is connected with a pressing wheel seat provided with a length measuring pressing roller through a linear guide rod, the pressing wheel seat is further in transmission connection with a driving air cylinder arranged on the length measuring angle seat, the length measuring angle seat is further movably connected with a position through a bearing and is matched with a length measuring roller right opposite to the length measuring pressing roller, and the length measuring roller is further connected with an encoder arranged at one end of the axial direction of the length measuring roller through a first coupler and used for measuring the unreeling length of the diaphragm.
In the technical scheme, the pole piece unreeling mechanism comprises two pole piece deviation rectifying and unreeling assemblies, the two pole piece deviation rectifying and unreeling assemblies are symmetrically arranged on two sides of one of the two diaphragm unreeling units, and each pole piece deviation rectifying and unreeling assembly comprises a deviation rectifying and unreeling assembly, a powder brushing and dust collecting device, a color code detection assembly, a tension assembly, a length measuring assembly and a process deviation rectifying assembly which are sequentially arranged along the pole piece feeding direction; the deviation-rectifying unreeling assembly comprises a first base arranged on the panel, a first supporting rod penetrating through the first base and the panel is arranged on the first base, a first supporting plate for installing a pole piece roller is arranged at one end, extending out of the panel, of the first supporting rod, a first linkage plate is fixedly connected to the other end, relatively far away from the first supporting plate, of the first supporting rod, a first transmission screw rod is further arranged between the first base and the first linkage plate, and the first transmission screw rod is in transmission connection with a first deviation-rectifying motor through a second coupler; the first base is further provided with a pole piece unreeling expansion shaft which penetrates through the first linkage plate and the panel and extends out through a first linear bearing, the pole piece unreeling expansion shaft is connected with the first linkage plate through the first linear bearing, the pole piece unreeling expansion shaft is in transmission connection with a first expansion shaft cylinder arranged on the first linkage plate through a first expansion shaft connector, and the pole piece unreeling expansion shaft is further in transmission connection with a first unreeling driving motor arranged on the first linkage plate through a second synchronous belt transmission pair; the powder brushing and dust collecting device comprises a transmission powder brushing roller and a driven powder brushing roller which are oppositely arranged and assembled in a powder suction box through a bearing, the powder suction box is fixedly connected with a panel through a powder suction box bracket, the transmission powder brushing roller is driven by a driving motor to rotate and drives the driven powder brushing roller to rotate, and the pole pieces moving along a gap between the transmission powder brushing roller and the driven powder brushing roller are brushed and dedusted in a matching manner; the color mark detection assembly comprises a detection bracket which is arranged vertical to the panel, a detection mounting seat is arranged at the end of the detection bracket, which is far away from the panel, and a color mark sensor is arranged on the detection mounting seat; the tension assembly comprises a first frame seat arranged on the panel, two third linear guide rails extending along the length direction of the first frame seat are arranged on the first frame seat, a sliding chute is formed in the first frame seat, a first sliding plate for mounting a pole piece roller is arranged on each third linear guide rail, the first sliding plate is fixedly connected with a first sliding block penetrating through the sliding chute, and the first sliding block is in transmission connection with a pole piece tension adjusting motor arranged on the first frame seat through a first guide shaft and a first curved bar; the length measuring assembly comprises a first length measuring angle seat fixedly connected with the panel, the first length measuring angle seat is connected with a first pressing wheel seat provided with a first length measuring pressing roller through a first linear guide rod, the first pressing wheel seat is also in transmission connection with a first driving air cylinder arranged on the first length measuring angle seat, the first length measuring angle seat is also movably connected with a first length measuring roller which is matched and rightly opposite to the first length measuring pressing roller in position through a bearing, and the first length measuring roller is also connected with a second encoder which is arranged at one axial end of the first length measuring roller through a second coupling and is used for measuring the unreeling length of a pole piece; the process subassembly of rectifying is including establishing the base of rectifying on the panel, the base of rectifying connects the roller mount pad of crossing of installation roller of rectifying through the revolving cylinder of rectifying, cross the roller mount pad still through two linkage subassemblies of rectifying that constitute by crank, universal bearing and linkage block with the base of rectifying is connected, the revolving cylinder drive of rectifying cross the roller mount pad is rotatory, coordinates two the linkage subassembly of rectifying drives and crosses roller mount pad reverse torsion and drive the roller of rectifying and rectify the pole piece and rectify.
In the technical scheme, the sheet feeding and cutting assembly comprises an angle seat arranged perpendicular to a panel, a first ball screw sliding table is arranged on the angle seat perpendicular to the panel, a sliding seat of the first ball screw sliding table is provided with a fourth linear guide rail extending perpendicular to the sliding direction of the sliding seat, a sheet feeding bottom plate is arranged on the fourth linear guide rail, the sheet feeding bottom plate is movably connected with the panel through a deviation rectifying shaft, and the first ball screw sliding table can drive the sheet feeding bottom plate to swing by taking the deviation rectifying shaft as an axis; the sheet feeding bottom plate is provided with a fifth linear guide rail extending along the length direction of the sheet feeding bottom plate, a sheet feeding plate is arranged on the fifth linear guide rail, and the sheet feeding plate is in transmission connection with a second ball screw sliding table arranged on the sheet feeding bottom plate through a connecting sheet and can be driven by the second ball screw sliding table to slide along the fifth linear guide rail; the sheet feeding plate is provided with a third ball screw sliding table, the sheet feeding plate is also connected with a pole piece cutting assembly through a cutter connecting block, and the third ball screw sliding table is connected with a sheet feeding clamping assembly movably butted with the pole piece cutting assembly through a sheet feeding connecting block; the second ball screw sliding table drives the pole piece cutting assembly and the piece feeding clamping assembly to move synchronously, and the third ball screw sliding table drives the piece feeding clamping assembly to move and the first ball screw sliding table drives the piece feeding bottom plate to swing, so that the piece feeding cutting assembly can feed the pole piece to the pole piece single-roll assembly or the winding mechanism in a deviation rectifying manner, and the pole piece is cut after the winding mechanism winds the pole piece to a set length or after the pole piece single-roll assembly winds a bad pole piece; the clamping piece feeding assembly comprises a clamping piece feeding support plate connected with a clamping piece feeding connecting block, a fixed pressing block is arranged on one side edge of the clamping piece feeding support plate in the width direction and fixedly connected with a fixed clamping piece feeding clamp, a pressing roller is further mounted on the fixed pressing block through a bearing seat, a support block is arranged on the other side edge of the clamping piece feeding support plate in the width direction and movably connected with a movable roller seat through an optical axis, a clamping piece feeding pressing roller opposite to the pressing roller in position and a movable clamping piece feeding clamp opposite to the fixed clamping piece feeding clamp in position are arranged on the movable roller seat, and the movable roller seat is further in transmission connection with a second driving cylinder arranged on the clamping piece feeding support plate; the pole piece cutting assembly comprises a cutter seat fixedly connected with a cutter connecting block, a fixed cutter seat for installing a fixed cutter is arranged on the cutter seat, the cutter seat is back to the end of the fixed cutter seat, a third driving cylinder is arranged at the end of the fixed cutter seat, the third driving cylinder is matched with two linkage blocks to run through the cutter seat and a first optical axis connecting movable cutter seat extending to the side of the fixed cutter seat, and the movable cutter seat is movably connected with a cutter pressing plate opposite to the fixed cutter in position through a second guide rod matching spring.
In the technical scheme, the rubberizing mechanism comprises an rubberizing bottom plate fixedly connected with a panel, a rubberizing base is arranged on the rubberizing bottom plate, a vertical plate extending in the direction perpendicular to the panel is arranged on one side of the length direction of the rubberizing base, an adhesive tape disc, a pre-tensioning adhesive tape assembly, an adhesive tape cutting assembly and an adhesive tape pulling assembly are sequentially arranged on one side wall of the vertical plate along the extending direction of the vertical plate, the adhesive tape cutting assembly can cut an adhesive tape of a set length pulled from the adhesive tape disc by the pre-tensioning adhesive tape assembly in a matching manner with the adhesive tape pulling assembly, and the adhesive tape cutting assembly arranged on the rubberizing base and matched with the adhesive tape cutting assembly in a set position is conveyed to the tail of the electric core which rotates to a middle transfer position and completes winding so as to rubberize; the pre-tensioning rubber belt assembly comprises a plurality of rubber belt rollers which are arranged perpendicular to a vertical plate, the rubber belt rollers are arranged at intervals along the extending direction of the vertical plate, a pre-tensioning roller arranged on a pre-tensioning sliding block is arranged between two of the rubber belt rollers, and the pre-tensioning sliding block is arranged on a guide shaft which is arranged vertically in a penetrating manner and is in transmission connection with a pre-tensioning cylinder arranged on the vertical plate; the rubber belt pulling assembly comprises a first ball screw transmission pair arranged on the vertical plate, the fourth ball screw transmission pair is connected with a rubber belt pulling seat through a screw rod connecting block, a rubber pressing roller is arranged at the end, close to the rubber belt cutting assembly, of the rubber belt pulling seat, and a rubber clamping block in transmission connection with a rubber clamping cylinder is movably arranged on the rubber belt pulling seat; the adhesive tape cutting assembly comprises an adhesive tape pressing cylinder and an adhesive tape cutting cylinder which are vertically arranged on the vertical plate, the adhesive tape pressing cylinder can drive an adhesive tape pressing block to vertically move and is matched with an adhesive tape stop block arranged right above the adhesive tape pressing cylinder to press a pre-pulled adhesive tape, and the adhesive tape cutting cylinder can drive an adhesive tape cutter to vertically move and cut the adhesive tape which is pressed by the adhesive tape pressing block and is matched with the adhesive tape pulling assembly to straighten; the upper rubber belt assembly comprises a fourth driving cylinder arranged at the other end of the rubberizing base in the length direction, the fourth driving cylinder is in transmission connection with a first mounting seat for mounting a rotating arm cylinder, the rotating arm cylinder is in pivot connection with a rubberizing rotating block arranged on the U-shaped bracket through a joint bearing and a rubberizing rotating arm, the rotary arm cylinder can drive the rubberizing rotary block to swing relative to the U-shaped support and drive the rubberizing pasting component arranged on the rotary arm cylinder to adsorb the adhesive tape cut by the adhesive tape cutting component and send the adhesive tape to the tail part of the battery cell for rubberizing, the adhesive suction and sticking assembly comprises a rubber sticking roller mounting seat arranged on the adhesive sticking rotating block, a vacuum adsorption rubber sticking roller is assembled on the rubber sticking roller mounting seat through a bearing, the vacuum adsorption rubberizing roller is also in transmission connection with a driving motor arranged on the U-shaped bracket through a second synchronous belt transmission pair and is driven to rotate by the driving motor for rubberizing.
In the technical scheme, the blanking core pressing mechanism comprises a blanking assembly and a core pressing assembly which are arranged on the panel; the blanking assembly comprises a rotary material taking assembly and a material blocking assembly which are movably butted with the plug-in winding needle assembly and the pressing core assembly positioned at a blanking station, wherein, the rotary material taking component comprises a rotary shaft which is arranged vertical to the panel, one axial end of the rotary shaft is provided with a gear, the gear is engaged and connected with a rack which is driven by a fifth driving air cylinder arranged at the back side of the panel to move, the fifth driving cylinder can drive the rack to drive the rotating shaft to rotate, the end of the rotating shaft, which is relatively far away from the gear, is provided with a material taking mounting plate, the material taking mounting plate is provided with two groups of sixth linear guide rails, a material taking sliding plate is hung on each group of sixth linear guide rails, the material taking sliding plate is provided with a pneumatic clamping finger, the finger of the pneumatic clamping finger is connected with the horizontal material taking clamp, and the material taking sliding plate is also in transmission connection with a material taking cylinder arranged on a material taking mounting plate; the fifth driving cylinder drives the rotating shaft to drive the material taking sliding plate to rotate, and the material taking cylinder is matched to drive the pneumatic clamping fingers to slide along the sixth linear guide rail, so that the two pneumatic clamping fingers are circularly turned over and horizontally clamp a battery cell from the pluggable winding needle assembly at the blanking station and then transfer the battery cell to a position in butt joint with the core pressing assembly; keep off the material subassembly and establish rotatory subassembly and the butt joint position department of getting material of pressure core subassembly, include the fender material cylinder of being connected and vertical setting through L shape support and panel, keep off the material cylinder transmission and connect and keep off the material clamp and can drive and keep off the material and press the vertical removal of clamp and block the pressure core subassembly accept by unloading subassembly rotary transport to with the bad electric core of coiling of pressure core subassembly butt joint position department, make rotatory subassembly of getting will convolute bad electric core and empty to the bad magazine in.
In the technical scheme, the core pressing assembly comprises a battery cell transferring assembly, a power transmission core assembly, a core pressing short circuit testing assembly, a rejecting assembly and a non-defective product conveying assembly, wherein the battery cell moving assembly comprises a seventh linear guide rail extending along the blanking direction, an adapter plate is arranged on the seventh linear guide rail, an eighth linear guide rail vertically arranged is arranged on the adapter plate, the eighth linear guide rail is connected with a moving truss arm, the moving truss arm is also connected with a moving clamping jaw frame provided with at least two clamping jaws, the moving truss arm is also in transmission connection with a sixth driving cylinder arranged on the adapter plate, and the adapter plate is also in transmission connection with a moving cylinder arranged on the panel; the material moving cylinder drives the adapter plate to move along a seventh linear guide rail, and is matched with the sixth driving cylinder to drive the material moving clamping jaw frame to move vertically, so that a battery cell is received from a butt joint position of the material rotating and taking assembly and is transferred to a front supporting plate of the core pressing short circuit testing assembly; the feeding core assembly comprises a third linear guide rail and a feeding carrier plate, wherein the third linear guide rail is arranged through a vertical panel, the feeding carrier plate is movably connected with a first fixed plate of the pressing core short-circuit testing assembly, the feeding carrier plate is driven to slide along an eighth linear guide rail through a feeding cylinder arranged on the first fixed plate, a ninth linear guide rail extending along the length direction of the feeding carrier plate is arranged on the feeding carrier plate, a bracket mounting seat is arranged on the ninth linear guide rail, the bracket mounting seat can move along the ninth linear guide rail through a seventh driving cylinder arranged on the feeding carrier plate, two rotary ball splines arranged in parallel are assembled on the bracket mounting seat through the mounting seat, a plurality of splines arranged in two rows in a staggered manner are arranged on the rotary ball splines, each spline is connected with a supporting block, and two adjacent supporting blocks are matched to form a bracket for supporting an electric core, one axial end of the rotary ball spline is also provided with a width adjusting motor in transmission connection with the rotary ball spline, and the width adjusting motor can be used for adjusting the width of a plurality of brackets through the transmission of the rotary ball spline; the feeding cylinder drives the feeding carrier plate to move, and the seventh driving cylinder is matched with the feeding carrier plate to drive the bracket mounting seat to move, so that the plurality of brackets respectively transfer the electric core arranged on the front carrier plate and the core pressing electric core arranged on the heating block arranged on the first fixing block to the heating block and the good product conveying assembly; the pressing core short circuit testing assembly further comprises a second fixing plate fixedly connected with the panel, a lug contact block driven by an eighth driving cylinder to move vertically is further arranged beside the heating block, the second fixing plate is connected with at least one pressing heat insulation seat provided with a pressing heating block through a pressing guide rod, the pressing heat insulation seat is further in transmission connection with a pressing cylinder arranged on the second fixing plate, the pressing heat insulation seat is further movably connected with a lug pressing block through a third guide rod and a spring, the pressing heating block is matched and aligned with the heating block in position, and the lug pressing block is matched and aligned with the lug contact block in position; the rejection component comprises at least one material pushing component which is arranged perpendicular to the good product conveying component, the material pushing component comprises a supporting block which is arranged on a conveying frame of the good product conveying component, two material pushing rods are movably arranged on the supporting block, a material pushing block is arranged at one axial end of each material pushing rod, the material pushing block is further connected with a material pushing cylinder which is arranged between the two material pushing rods and fixedly connected with the supporting block, and the material pushing cylinder can drive the material pushing block to move towards the good product conveying component, so that the electricity cores which are poor in short-circuit testing and are transferred to the good product conveying component by the electricity transmission core component are rejected to a first poor material box; the good product conveying assembly is a conveying belt butted with the pressing core short circuit testing assembly and is used for conveying and discharging the good product battery cores.
In the technical scheme, the pressing wheel mechanism comprises a first sheet-entering pressing assembly and a second sheet-entering pressing assembly which are symmetrically arranged at two sides of a winding station, the first sheet-entering pressing assembly comprises a supporting seat fixedly connected with a panel, a moving frame is movably penetrated through the supporting seat, one end, matched with the moving direction of the moving frame, of the moving frame is provided with a pressing roller, the other end of the moving frame is in transmission connection with a ninth driving cylinder arranged on the supporting seat, the moving frame is further provided with a fixing plate, the fixing plate is movably connected with a pressing roller seat provided with the first pressing roller through a third guide rod, and the pressing roller seat is further in transmission connection with a pressing cylinder arranged on the fixing plate; the second sheet-inserting jacking assembly comprises a linear guide rail arranged on the panel, a moving block is hung on the linear guide rail and fixedly connected with a moving seat frame, the moving block is also in transmission connection with a tenth driving cylinder arranged on the panel, a second jacking roller is arranged at the end of the moving seat frame, which is relatively far away from the tenth driving cylinder, the moving seat frame is also connected with a third jacking roller through a first moving frame, and the first moving frame can be driven by an eleventh driving cylinder arranged on the moving seat frame to drive the third jacking roller to move; the welding-cutting ending mechanism comprises an installation vertical plate arranged on a panel, a first linear guide rail is arranged on the installation vertical plate, the first linear guide rail is connected with a sliding group seat which is perpendicular to the installation vertical plate and is in transmission connection with a first jacking cylinder, a second moving frame which is in transmission movement by a cutting cylinder is movably arranged on the sliding group seat, a welding-cutting knife for welding and cutting a diaphragm is arranged on the second moving frame, a jacking roller seat is also arranged at one end, matched with the moving direction, of the sliding group seat, a diaphragm compression roller is assembled at the end, relatively far away from the sliding group seat, of the jacking roller seat through a bearing, the end, relatively far away from the sliding group seat, of the jacking roller seat is also connected with a floating roller seat through a floating guide rod, a first diaphragm compression roller is arranged on the floating roller seat, and the diaphragm compression roller can compress the diaphragm to assist in welding and cutting the diaphragm in cooperation with the first diaphragm; the sliding group seat is further connected with a pivoting frame through a pivoting shaft, a tail-closing wheel is arranged at one end, far away from the pivoting shaft, of the pivoting frame, the pivoting frame is further connected with a tail-closing driving cylinder through a U-shaped seat, a rotating shaft and a joint bearing, the tail-closing driving cylinder is movably connected with the sliding group seat through a connecting seat, the tail-closing driving cylinder can drive the pivoting frame to swing by taking the pivoting shaft as an axis and drive the tail-closing wheel to be tightly attached to the tail end of a battery cell for completing diaphragm welding, and the gluing mechanism is assisted in gluing.
In the technical scheme, the pole piece single-roll assembly comprises an installation base arranged perpendicular to a panel, two pole piece single-roll units for winding bad pole pieces are symmetrically arranged on the installation base, and the two pole piece single-roll units are respectively positioned between the two piece feeding and cutting assemblies and a winding station of a winding mechanism on the arrangement position; the pole piece single-winding unit comprises a second linear guide rail which is arranged on the mounting base and extends along the length direction of the mounting base, a pole piece winding needle assembly which is in transmission connection with a push-pull needle cylinder is arranged on the second linear guide rail, the pole piece winding needle assembly comprises a slide seat plate movably assembled on the second linear guide rail, a pole piece winding needle assembled on the slide seat plate through a slide seat, a first winding motor which is arranged on the slide seat plate and is in transmission connection with the pole piece winding needle through a coupler, and a winding needle nozzle which is in movable butt joint with the pole piece winding needle, the winding needle nozzle is movably arranged on the second linear guide rail through a first slide seat, a cylinder pull block is arranged on the first slide seat, the cylinder pull block is respectively in transmission connection with a push-and-pull needle cylinder arranged on the slide seat and a plug-pull needle cylinder arranged on the mounting base, and the plug-pull needle cylinder can drive the first slide seat to slide along the second linear, the needle rolling nozzle penetrates through the panel and extends out, the needle pushing and withdrawing cylinder can drive the sliding seat and the sliding seat plate to slide relative to the first sliding seat, so that the pole piece rolling needle is inserted into or withdrawn from the needle rolling nozzle, and the pole piece rolling needle can guide an unreeled pole piece or a poorly coiled pole piece after being inserted into the needle rolling nozzle.
The invention has the beneficial effects that: firstly, the winder is reasonable in structural layout and convenient to operate; secondly, the winding mechanism of the winding machine adopts a three-winding-station structure, and compared with a two-winding-station structure in the market, the winding machine has the advantages of high efficiency, stable work, reasonable station function distribution and capability of effectively improving the production efficiency and the yield; thirdly, the plug-in type winding needle assembly of the winding machine is arranged by adopting coaxial double winding needles, wherein the first winding needle is a main winding needle with the function of clamping the diaphragm by the winding needle, the second winding needle is an auxiliary winding needle for inserting pieces, the opening or the closing can be selected according to the process production requirements of the battery cell, the S deformation of the battery cell can be effectively reduced by introducing the inserting pieces, and the yield of the wound battery cell is improved.
Drawings
FIG. 1 is a perspective view of the winder of the present invention;
FIG. 2 is a front view of the winder of the present invention;
FIG. 3 is a perspective view of the winding mechanism of the present invention;
FIG. 4 is another perspective view of the winding mechanism of the present invention;
FIG. 5 is a perspective view of the pluggable winding pin assembly of the present invention;
FIG. 6 is an exploded view of the push-pull type needle assembly of the present invention;
FIG. 7 is a perspective view of a diaphragm unwinding mechanism of the winding machine of the present invention;
FIG. 8 is a perspective view of the pole piece unwinding mechanism of the winding machine of the present invention;
FIG. 9 is a perspective view of the deviation rectifying and unwinding assembly of the present invention;
FIG. 10 is a perspective view of the sheet feed cutting assembly of the present invention;
FIG. 11 is another perspective view of the sheet feed cutting assembly of the present invention
FIG. 12 is a perspective view of the taping mechanism of the present invention;
FIG. 13 is a perspective view of the blanking and core pressing mechanism of the present invention;
FIG. 14 is an assembly view of the pinch roller mechanism and weld-cut endgate mechanism of the present invention;
fig. 15 is a perspective view of a pole piece single roll assembly of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1 to 15, the winding machine of the square electric core winding machine with the three-wire rear insertion sheet according to the embodiment of the present invention is a panel winding machine, and is used for winding production of a square electric core. The winding machine improves the main mechanisms or components of 'pole piece feeding, cutting', 'winding' and 'cell end-to-end adhesive tape', and the like, reduces the equipment cost, is simple to operate and use, and has stable cell production and high yield.
Referring to fig. 1 to 15, the square three-wire rear insert core winder of the embodiment of the present invention includes a diaphragm unwinding mechanism 1, a pole piece unwinding mechanism 2, a pole piece feeding and cutting mechanism 3, a pole piece single-winding assembly 4, a winding mechanism 5, a pinch roller mechanism 6, a welding and cutting end mechanism 7, a rubberizing mechanism 8, and a blanking and core pressing mechanism 9, which are arranged on a panel 10 of the winder; wherein the content of the first and second substances,
the membrane unwinding mechanism 1 comprises two membrane unwinding units 11, in this embodiment, the two membrane unwinding units 11 are arranged at 90 ° positions on the arrangement position, that is, the membrane unwinding unit 11 located on the left is horizontally arranged on the panel 10, the membrane unwinding unit 11 on the right is vertically arranged, the matched unwinding directions are horizontal and vertical, and the two membrane unwinding units 11 respectively perform deviation-correcting unwinding of two layers of membranes of the battery cell to the winding mechanism 5;
the pole piece unreeling mechanism 2 comprises two pole piece deviation rectifying and unreeling assemblies 21, the two pole piece deviation rectifying and unreeling assemblies 21 are symmetrically arranged on two sides of one of the two diaphragm unreeling units 11, in this embodiment, the two pole piece deviation rectifying and unreeling assemblies 21 are symmetrically arranged by taking the diaphragm unreeling unit 21 positioned on the right side, namely the vertically arranged diaphragm unreeling unit 21 as a symmetric center, the two pole piece deviation rectifying and unreeling assemblies 21 are used for respectively measuring the lengths of the positive and negative pole pieces of the battery cell, brushing powder, absorbing dust and rectifying deviation and then sending the measured result to the pole piece feeding and cutting mechanism 3, in this embodiment, the pole piece deviation rectifying and unreeling assembly 21 comprises a deviation rectifying and unreeling assembly 22, a brushing powder absorbing device 23, a color code detecting assembly 24, a tension assembly 25, a length measuring assembly 26 and a process deviation rectifying assembly 27 which are sequentially arranged along the pole piece feeding direction, and unreels the, The color code detection assembly 24, the tension assembly 25, the length measurement assembly 26 and the process deviation correction assembly 27 are drafted, the powder brushing and dust collection device 23 is used for electrostatic dust collection, the color code detection assembly 24 is used for color code identification to judge the unreeling process or the unreeling position or pole piece identification, the tension assembly 25 is used for tension adjustment of unreeling of the pole piece, the length measurement assembly 26 is used for measuring the length of the unreeled pole piece, so that the pole piece can be cut after being fed to the pole piece with the set length by matching with the subsequent pole piece feeding and cutting mechanism 3, and the process deviation correction assembly 27 is used for position adjustment in the transmission process before the pole piece is fed to the pole piece feeding and cutting mechanism 3, so that the pole piece can be smoothly fed into the pole piece feeding and;
the pole piece feeding and cutting mechanism 3 comprises two pole piece feeding and cutting assemblies 31, the two pole piece feeding and cutting assemblies 41 are respectively butted with the matched pole piece deviation rectifying and unwinding assembly 21, actually, the two pole piece feeding and cutting assemblies are arranged at the front end of the feeding direction of the deviation rectifying assembly 27 in the matching process, so that pole pieces unwound by the pole piece deviation rectifying and unwinding mechanism 2 can be butted, the two pole piece feeding and cutting assemblies 31 are used for clamping the matched pole pieces, penetrating through the pole piece single-winding assembly 4, and then sending the matched pole pieces to the winding mechanism 5, and/or cutting the pole pieces in sections after the winding mechanism 5 winds the pole pieces to a set length, and the pole piece feeding and cutting assemblies 31 are also used for clamping the pole pieces, sending the pole pieces to the pole piece single-winding assembly 4; it should be noted that, by arranging the single-pole-piece winding assembly 4, when the pole piece of the battery cell is abnormal or bad (detected by the pole-piece deviation-rectifying unwinding mechanism 2), the single-pole-piece winding assembly 4 winds the bad pole piece fed by the pole-piece feeding and cutting mechanism 3 separately, after the bad pole piece is wound and played, the good pole piece is fed to and passes through the single-pole-piece winding assembly 4 by the feeding and cutting assembly 31 and then is fed to the winding mechanism 5, by arranging the single-pole-piece winding assembly 4 separately, when the pole piece is bad, the bad pole piece can be removed without winding by the winding mechanism 5, and the single-pole-piece winding assembly 4 is arranged in the direction in which the feeding piece of each feeding and cutting assembly 31 moves forward, so that when the single-side pole piece is bad, the pole piece on the other side does not need to be removed by winding, and the diaphragm also does not;
the winding mechanism 5 comprises three plug-in winding needle assemblies 51, the three plug-in winding needle assemblies 51 circularly rotate among a winding station, a transfer station and a blanking station, the plug-in winding needle assemblies 51 positioned at the winding station cooperate with a pressing wheel mechanism 6 and a welding and cutting ending mechanism 7 which are arranged on the peripheral side of the winding mechanism 5 to sequentially perform cell pre-winding, insert winding, diaphragm welding and ending on a cell to complete winding, in practice, whether insert is performed or not can be selected according to requirements and the setting of a winding process, and the insert is selected, so that the problem of S deformation caused by the cell in a cell pressing process can be solved, and the pre-winding of the cell refers to the winding process before the insert is performed;
the rubberizing mechanism 8 is arranged at a position close to the transfer station, and can be matched with the plug-in winding needle assembly 51 rotating to the transfer station to rubberize the electric core, namely, an adhesive tape is pasted on the tail of the wound electric core, so that the tail is kept in a bonding state;
the blanking core pressing mechanism 9 is arranged at a position close to a blanking station, is movably butted with a plug-in type winding needle assembly 51 rotating to the blanking station, can accept and take a wound battery cell on the plug-in type winding needle assembly 51, rejects the poor winding battery cell after accepting the battery cell, and then sequentially performs core pressing, short circuit testing, poor short circuit rejection and blanking conveying on the battery cell.
In one embodiment, in order to achieve that the winding mechanism completes winding pre-winding, tab winding and the circular rotation of the three pluggable winding needle assemblies 51 between the winding station and the transfer station pole blanking station, the winding mechanism 5 further comprises a triangular tab inserter 52 which is arranged at the winding station and used for guiding pole pieces and diaphragms to the pluggable winding needle assemblies 51 (the pluggable winding needle assemblies 51 at the winding station); the three pluggable winding needle assemblies 51 are arranged on the revolution assembly 53, the revolution assembly 53 comprises a base 532 arranged on a winding base 531 arranged vertical to the panel 10, a turning disc 533 is arranged on the base 532 through a bearing (not numbered in the drawing), the three pluggable winding needle assemblies 51 are arranged on the turning disc 533, a transmission gear 534 is arranged on one axial side of the turning disc 533, and the transmission gear 534 is meshed and connected with a driving gear 537 arranged on a driving shaft of a speed reducer 536 driven by a revolution motor 535, so that the revolution motor 535 can drive the turning disc 533 to rotate and drive the three pluggable winding needle assemblies 51 to circularly rotate among a winding station, a transfer station and a blanking station; the pluggable needle rolling assembly 51 includes a needle rolling shaft 511, a needle rolling shaft 513 connected to the needle rolling shaft 511 via a needle rolling connector 512, a needle rolling spindle 515 movably inserted through the needle rolling shaft 511 and connected to an insert 514 movably inserted through the needle rolling connector 512, and an insert 516 movably inserted through the needle rolling spindle 515, the needle rolling shaft 511 is movably mounted to a turning plate 533 via a shaft sleeve (not numbered in the drawing), the needle rolling shaft 511 is provided with a first transmission gear 517, the three first transmission gears 517 are respectively engaged with driven gears 541 provided on three coaxially disposed transmission shafts 54, the three transmission shafts 517 are further respectively connected to a winding driving motor 56 via a synchronous belt transmission pair 55, the three transmission shafts 54 are driven by the winding driving motor 56 to rotate and drive the three pluggable needle rolling assemblies 51 to rotate relative to the turning plate 533, it should be noted that the three driven gears 541 are not interfered with each other during transmission, the driven gears 541 are engaged with the first transmission gears 517 to transmit and rotate the needle rolling shaft 511, the corresponding driven gear 541 pivoted transmission shaft 54 of drive is also connected with the transmission of different coiling driving motor 56, so can all be the rotatory and convolute of the corresponding plug-in needle subassembly 51 of rolling up of drive through the plug-in needle subassembly 51 that the transmission of coiling driving motor 56 corresponds at coiling station, transfer station and unloading station department, of course, when the transfer station, the plug-in needle subassembly 51 of rolling up does not coil, but can cooperate other subassemblies to carry out the subsequent processing of electric core coiling, for example: the diaphragm is welded and cut, the tail is pasted with glue, and the plug-in winding needle assembly 51 positioned at the blanking station is not wound, and only the battery core is taken by matching with the blanking core pressing mechanism 9. In this embodiment, a pulling block 518 is further disposed on the needle winding shaft 511, a shaft tail wheel 519 is disposed at the end of the needle winding shaft 515, which extends out of the needle winding shaft 511, a shaft tail wheel 510 which can slide along the needle winding shaft 515 is movably sleeved on the needle winding shaft 515, the shaft tail wheel 510 is connected to the thimble 516, a pulling device 57 which is movably abutted to the pulling block 518 of the plug-in needle winding assembly 51 located at the winding station and the blanking station is disposed on the base seat 532, the pulling device 57 includes a mounting plate 572 which is disposed on the base seat 532 and extends in the axial direction of the turning plate 533, the mounting plate 571 is provided with a linear guide rail 572 extending in the axial direction of the turning plate 533, a sliding plate 573 is disposed on the linear guide rail, a pushing cylinder 574 is disposed on the sliding plate 573, the sliding plate 573 is perpendicular to the sliding plate 573 and is disposed with a pushing cylinder 574, the pushing cylinder 574 is in transmission connection with a clamping seat 575, and the sliding plate 573 is; the jacking cylinder 574 drives the clamping seat 575 to move towards the pulling block 518 and be clamped with the pulling block 518, and the driving motor 577 is matched to drive the sliding plate 573 to slide along the linear guide rail 572, so that the pulling block 518 drives the plug-in type winding needle assembly 51 to move, and the winding needle 513 is inserted into or withdrawn from the front reducing nozzle 500 at the winding station and the blanking station; the winding base 531 is further provided with two ejector pin drawing devices 58 movably butted with a shaft tail drawing wheel 510 of the plug-in type winding needle assembly 51 positioned at a winding station and a blanking station, each ejector pin drawing device 581 comprises a support frame 581 arranged on the winding base 531, each support frame 581 is provided with a drawing air cylinder 582 arranged towards the turnover disc 533, each drawing air cylinder 582 is in transmission connection with a guide rod sliding seat 583, each guide rod sliding seat 583 is connected with a push needle connecting block 585 through a guide rod 584, each push needle connecting block 585 is provided with a drawing bearing 586 movably clamped with the shaft tail drawing wheel 510, and each push needle connecting block 585 is further in transmission connection with an ejector pin air cylinder 587 arranged on each guide rod sliding seat 583; the thimble cylinder 587 drives the thimble connecting block 585 to move towards the shaft tail pulling wheel 510 and clamp with the shaft tail pulling wheel, and the guide rod sliding seat 583 is driven to move by matching with the pulling cylinder 582, so that the shaft tail pulling wheel 510 drives the thimble 516 to be butted with the winding needle connector 512 and the winding needle piece of the winding needle 513 is opened or clamped; the winding base 531 is further provided with two inserting piece pulling devices 59 which are movably butted with a shaft tail wheel 519 of the plug-pull type winding needle assembly 51 positioned at a winding station and a blanking station respectively, each inserting piece pulling device 59 comprises a first supporting frame 591 arranged on the winding base 531, a first linear guide rail 592 extending in the axial direction of the turning disc 533 is arranged on the first supporting frame 591, a sliding block 594 in transmission connection with a first pulling cylinder 593 arranged on the first supporting frame 591 is arranged on the first linear guide rail 592, the sliding block 594 is connected with an inserting piece connector 596 through a first guide rod 595, an inserting piece push-pull plate 597 used for being connected with the shaft tail wheel 519 in a clamping mode is arranged on the inserting piece connector 596, and the inserting piece connector 596 is further in transmission connection with an inserting piece cylinder 598 arranged on the sliding block 594; the insert cylinder 598 drives the insert joint 596 to drive the insert push-pull plate 597 to move towards the tail wheel 519, and the first drawing cylinder 593 is matched to drive the sliding block 594 to slide along the first linear guide rail 592, so that the tail wheel 519 drives the winding needle mandrel 515 to move and drives the insert 514 to insert the winding needle 513 into the pre-wound battery cell in parallel or to pull the insert 514 out of the wound battery cell.
In one embodiment, the membrane unwinding unit 11 includes a membrane unwinding assembly 12, at least one static removing assembly 13, a membrane tension adjusting assembly 14, and a membrane length measuring assembly 15, which are disposed on the panel 10 and sequentially arranged along a membrane unwinding direction, and the membrane is unwound to the winding mechanism 5 after being unwound from the membrane unwinding assembly 12 and sequentially subjected to static removing, tension adjusting, and length measuring; in this embodiment, the membrane unwinding assembly 12 includes a base 121 disposed on the panel 10, a support rod 122 penetrating through the base 121 and the panel 10 is disposed on the base 121, a roller supporting plate 124 for installing a membrane roller 123 is disposed at one end of the support rod 122 extending out of the panel 10, the other end of the support rod 122 relatively far away from the roller supporting plate 124 is fixedly connected to a linkage plate 125, a transmission lead screw 126 is further disposed between the base 121 and the linkage plate 125, and the transmission lead screw 126 is in transmission connection with a deviation rectification motor 128 through a coupler 127; the base is further provided with an unreeling expansion shaft 120 which penetrates through the linkage plate 125 and the panel 10 and extends out through a linear bearing 129, the unreeling expansion shaft 120 is connected with the linkage plate 125 through the linear bearing 129, the unreeling expansion shaft 120 is in transmission connection with an expansion shaft cylinder 1212 arranged on the linkage plate 125 through an expansion shaft connector 1211, the unreeling expansion shaft 120 is further in transmission connection with an unreeling driving motor 1214 arranged on the linkage plate 125 through a first synchronous belt transmission pair 1213, the deviation correcting motor 128 can drive the transmission screw rod 126 to rotate and enable the linkage plate 125 to transmit the roller supporting plate 124 and the unreeling expansion shaft 120 to perform deviation correcting movement, and the unreeling expansion shaft 120 is driven to rotate by matching with the unreeling driving motor 1214 to enable the diaphragm to perform deviation; it should be noted that the unreeling expansion shaft 120 includes an expansion mandrel and a shaft sleeve which are coaxially arranged, the shaft sleeve is connected with the unreeling driving motor 1214 through a first synchronous belt transmission pair 1213, so as to transmit the unreeling expansion shaft 120 to integrally rotate for unreeling, and the expansion mandrel is in transmission connection with the expansion shaft cylinder 212 through an expansion shaft connector 211 arranged at one axial end of the expansion mandrel, and can be axially moved by the expansion shaft cylinder 1212, and is matched with an expansion shaft device arranged at the other axial end of the unreeling expansion shaft 120 for transmission to expand or contract, so as to wind and expand the diaphragm; the deviation-correcting unwinding of the diaphragm is realized by driving the linkage plate 125 to perform deviation-correcting movement relative to the base 121 through the deviation-correcting motor 128, so that the diaphragm passes through the rollers 123 to perform matching movement. In this embodiment, the static discharge unit 13 includes a stay 133 provided on a holder 132 on which the diaphragm unwinding roller 131 is mounted, and an ion bar 134 provided in parallel with the diaphragm unwinding roller 131 on the stay 133. In this embodiment, the diaphragm tension adjusting assembly 14 includes a frame 141 disposed on the panel 10, two second linear guide rails 142 extending along the length direction of the frame 141 are disposed on the frame 141, the frame 142 is provided with a sliding slot 1421, a sliding plate 144 for installing the tension roller 143 is disposed on the second linear guide rails 142, the sliding plate 144 is fixedly connected to a sliding block 145 disposed in the sliding slot 1421, the sliding block 145 is in transmission connection with a tension adjusting motor 148 disposed on the frame 141 through a guide shaft (not shown in the drawings) and a curved rod 147, the tension adjusting motor 148 drives the curved rod 147 to swing to drive the sliding block 145 to slide along the sliding slot 1421, and the sliding block 145 drives the sliding plate 144 to drive the tension roller 143 to slide along the second linear guide rails 142 to unwind the diaphragm. In this embodiment, the diaphragm length measuring assembly 15 includes a length measuring angle seat 151 fixedly connected to the panel 10, the length measuring angle seat 151 is connected to a pressing wheel seat 154 on which a length measuring pressing roller 153 is mounted through a linear guide rod 152, the pressing wheel seat 154 is further in transmission connection with a driving cylinder 155 provided on the length measuring angle seat 151, the length measuring angle seat 151 is further movably connected to a length measuring roller 156 which is aligned with and aligned with the length measuring pressing roller 153 through a bearing (not shown in the drawings), the length measuring roller 156 is further connected to an encoder 158 provided at one axial end thereof through a first coupling 157 and used for measuring a diaphragm unwinding length, the length measuring pressing roller 153 presses the diaphragm against the length measuring roller 156 to drive the length measuring roller 156 to rotate, and the number of turns of the length measuring roller 156 is measured through the encoder 158 to measure the diaphragm unwinding length.
In one embodiment, the deviation-correcting unwinding assembly 22 includes a first base 221 disposed on the panel 10, a first support rod 222 penetrating through the first base 221 and the panel 10 is disposed on the first base 221, a first support plate 224 for mounting a pole piece roller 223 is disposed at one end of the first support rod 222 extending out of the panel, the other end of the first support rod 224 relatively far away from the first support plate 224 is fixedly connected to a first linkage plate 225, a first transmission screw 226 is further disposed between the first base 221 and the first linkage plate 225, and the first transmission screw 226 is in transmission connection with a first deviation-correcting motor 228 through a second coupling (not shown in the drawings); the first base 221 is further equipped with a pole piece unwinding expansion shaft 220 which penetrates through the first linkage plate 225 and the panel 10 and extends out through a first linear bearing 229, the pole piece unwinding expansion shaft 220 is connected with the first linkage plate 225 through the first linear bearing 229, the pole piece unwinding expansion shaft 220 is in transmission connection with a first expansion shaft cylinder 2211 arranged on the first linkage plate 225 through a first expansion shaft connector 2210, and the pole piece unwinding expansion shaft 220 is also in transmission connection with a first unwinding driving motor 2213 arranged on the first linkage plate 225 through a second synchronous belt transmission pair 2212; the first deviation rectifying motor 228 can drive the first driving screw 226 to rotate, and drive the first supporting plate 225 and the pole piece unwinding expansion shaft 220 to perform deviation rectifying movement by the first linkage plate 225, and drive the pole piece unwinding expansion shaft 220 to rotate by the first unwinding driving motor 2213, so that the pole piece is subjected to deviation rectifying unwinding; it should be noted that the deviation-correcting unwinding assembly 22 has the same structure as the above-mentioned membrane unwinding assembly 12, and further description of the deviation-correcting unwinding assembly 22 may refer to the above description of the membrane unwinding assembly 12, and will not be described herein again. In this embodiment, the brush dust collector 23 includes a driving brush roller (not shown in the drawings, only the corresponding powder suction box 231 is shown) and a driven brush roller (not shown in the drawings, only the corresponding powder suction box 231 is shown) which are oppositely arranged and assembled in the powder suction box 231 through a bearing (not shown in the drawings, only the corresponding powder suction box 231 is shown), the powder suction box 231 is fixedly connected with the panel 10 through a powder suction box bracket 232, the driving brush roller is driven to rotate by a driving motor 233 and drives the driven brush roller to rotate, and brush dust removal is performed on a pole piece moving along a gap between the driving brush roller and the driven brush roller in a matching manner, it should be noted that the brush dust collector 23 in this embodiment may refer to a pole piece brush dust collector (patent No. 2018207053060, which is the same creator of this convention). In this embodiment, the color mark detecting assembly 24 includes a detecting bracket 241 disposed perpendicular to the panel 10, a detecting mounting seat 242 disposed at an end of the detecting bracket 241 away from the panel 10, and a color mark sensor 243 disposed on the detecting mounting seat 242. In this embodiment, the tension assembly 25 includes a first frame seat 251 disposed on the panel 10, the first frame seat 251 is provided with two third linear guide rails 252 extending along a length direction of the first frame seat 251, the first frame seat 251 is provided with a sliding slot 2511, the third linear guide rails 252 are provided with a first sliding plate 254 for mounting the pole piece passing roller 253, the first sliding plate 254 is fixedly connected to a first sliding block (not shown in the drawings) disposed in the sliding slot 2511, the first sliding block 255 is in transmission connection with a pole piece tension adjusting motor 258 disposed on the first frame seat 251 through a first guide shaft 256 and a first curved rod 257, the pole piece tension adjusting motor 258 drives the first curved rod 257 to swing to drive the first sliding block 255 to slide along the sliding slot 2511, and the first sliding block 255 drives the pole piece passing roller 253 to slide along the third linear guide rails 252 to tension the wound pole piece; the tension assembly 25 is similar in construction to the diaphragm tensioning assembly 14 described above. In this embodiment, the length measuring assembly 26 includes a first length measuring angle seat 261 fixedly connected to the panel 10, the first length measuring angle seat 261 is connected to a first pressure roller seat 263 installed with a first length measuring pressure roller 262 through a first linear guide rod (not shown in the drawings), the first pressure roller seat 263 is further in transmission connection with a first driving cylinder (not shown in the drawings) arranged on the first length measuring angle seat 261, the first length measuring angle seat 261 is further movably connected to a first length measuring roller 264 through a bearing (not shown in the drawings), the first length measuring roller 264 is matched and aligned with the first length measuring pressure roller 263, the first length measuring roller 264 is further connected to a second encoder 265 arranged at one axial end of the first length measuring roller and used for measuring the unreeling length of the pole piece through a second coupler (not shown in the drawings), it should be noted that the length measuring assembly 26 has the same structure as the above-mentioned diaphragm length measuring assembly 15, and reference can be made to the above description of the diaphragm length measuring assembly 15. In this embodiment, the process deviation rectifying assembly 27 includes a deviation rectifying base 271 disposed on the panel 10, the deviation rectifying base 271 is connected to a roller passing mounting seat 274 for mounting the deviation rectifying roller 273 by a deviation rectifying rotary cylinder 272, the roller passing mounting seat 274 is further connected to the deviation rectifying base 271 by two deviation rectifying linkage assemblies composed of a crank 275, a universal bearing 276 and a linkage block 277, the deviation rectifying rotary cylinder 272 drives the roller passing mounting seat 274 to rotate, and the two deviation rectifying linkage assemblies are matched to drive the roller passing mounting seat 274 to reverse twist to drive the deviation rectifying roller 273 to rectify the pole pieces.
In one embodiment, the sheet feeding and cutting assembly 31 includes an angle seat 311 disposed perpendicular to the panel 10, the angle seat 311 is provided with a first ball screw sliding table 312 disposed perpendicular to the panel 10, a sliding seat of the first ball screw sliding table 312 is provided with a fourth linear guide rail 313 extending perpendicular to the sliding direction of the sliding seat, the fourth linear guide rail 313 is provided with a sheet feeding bottom plate 314, the sheet feeding bottom plate 314 is further movably connected to the panel 10 through a deviation rectifying shaft 315, and the first ball screw sliding table 312 can drive the sheet feeding bottom plate 314 to swing around the deviation rectifying shaft 315; the sheet feeding bottom plate 314 is provided with a fifth linear guide rail 316 extending along the length direction of the sheet feeding bottom plate 314, the sheet feeding plate 317 is arranged on the fifth linear guide rail 316, and the sheet feeding plate 317 is in transmission connection with a second ball screw sliding table 319 arranged on the sheet feeding bottom plate 314 through a connecting sheet 318 and can be driven by the second ball screw sliding table 319 to slide along the fifth linear guide rail 316; the sheet feeding plate 317 is provided with a third ball screw sliding table 310, the sheet feeding plate 317 is also connected with the pole piece cutting assembly 33 through a cutter connecting block 32, and the third ball screw sliding table 310 is connected with a sheet feeding clamping assembly 35 movably butted with the pole piece cutting assembly 33 through a sheet feeding connecting block 34; the second ball screw sliding table 319 drives the pole piece cutting assembly 33 and the piece feeding clamping assembly 35 to move synchronously, and the third ball screw sliding table 310 is matched to drive the piece feeding clamping assembly 35 to move and the first ball screw sliding table 312 is matched to drive the piece feeding bottom plate 314 to swing, so that the piece feeding cutting assembly 31 can feed the pole piece to the pole piece single-roll assembly 4 or the winding mechanism 5 in a deviation rectifying manner, and the pole piece is cut after the winding mechanism 5 winds the pole piece to a set length or the pole piece single-roll assembly 4 winds a bad pole piece. In this embodiment, the clip feeding assembly 35 includes a clip feeding support plate 351 connected to the clip feeding connection block 34, a fixed pressing block 352 is disposed on one side edge of the width direction of the clip feeding support plate 351, the fixed pressing block 352 is fixedly connected to a fixed clip feeding 353, the fixed pressing block 352 is further provided with a pressing roller 354 through a bearing block 3511, a support block 355 is disposed on the other side edge of the width direction of the clip feeding support plate 351, the support block 355 is movably connected to a movable roller seat 357 through an optical axis 356, the movable roller seat 357 is provided with a clip feeding pressing roller 358 facing the pressing roller 354 in position and a movable clip 359 facing the fixed clip feeding 353 in position, and the movable roller seat 357 is further in transmission connection with a second driving cylinder 350 disposed on the clip feeding support plate 351; the second driving cylinder 350 drives the movable roller seat 357 to drive the sheet feeding pressing roller 358 and the movable sheet feeding clamp 359 to move towards the pressing roller 354 and the fixed sheet feeding clamp 353, so as to clamp the introduced positive plate/negative plate in a matching manner. In this embodiment, the pole piece cutting assembly 33 includes a cutter holder 331 fixedly connected to the cutter connecting block 32, a fixed cutter holder 333 for installing the fixed cutter 332 is provided on the cutter holder 331, a third driving cylinder 334 is provided at an end of the cutter holder 331 opposite to the fixed cutter holder 333, the third driving cylinder 334 is connected to a movable cutter holder 337 by a linkage block 335 in cooperation with two first optical axes 336 penetrating through the cutter holder 331 and extending to a setting side of the fixed cutter holder 333, the movable cutter holder 337 is movably connected to a cutter pressing plate 339 opposite to the fixed cutter 332 in position by a second guide bar 338 in cooperation with a spring (not numbered in the drawing), and the third driving cylinder 334 drives the movable cutter holder 337 to drive the cutter pressing plate 339 to move relative to the fixed cutter 332, so as to cut the positive pole piece/negative pole piece wound to a set length.
In some embodiments, the gluing mechanism 8 includes an upper gluing base plate 81 fixedly connected to the panel 10, a gluing base 82 is provided on the upper gluing base plate 81, a vertical plate 83 extending in a direction perpendicular to the panel 100 is provided on one side of the length direction of the gluing base 82, a tape disc 84, a pre-stretching tape assembly 85, a tape cutting assembly 86 and a tape pulling assembly 87 are sequentially provided on one side wall of the vertical plate 83 along the extending direction, the tape cutting assembly 86 can cut a tape of a set length pulled from the tape disc 84 by the pre-stretching tape assembly 85 in cooperation with the tape pulling assembly 87, and the tape is delivered to the tail of the cell which is rotated to the transfer position and is wound to be glued by an upper gluing assembly 88 provided on the gluing base 82 and matched with the tape cutting assembly 86 in a set position. In this embodiment, the pre-tensioning adhesive tape assembly 85 includes a plurality of adhesive tape rollers 851 arranged perpendicular to the vertical plate 83, the adhesive tape rollers 851 are arranged at intervals along the extending direction of the vertical plate 83, a pre-tensioning roller 853 arranged on a pre-tensioning slider 852 is further arranged between two of the adhesive tape rollers 851, the pre-tensioning slider 852 is arranged on a vertically arranged guide shaft 854 in a penetrating manner and is in transmission connection with a pre-tensioning cylinder 855 arranged on the vertical plate 83, the pre-tensioning cylinder 855 transmits the pre-tensioning slider 852 to drive the pre-tensioning roller 853 to vertically slide, and the adhesive tape rollers 851 are matched to pull out the adhesive tape roll to a set length in a pre-tensioning manner; in practice, because the adhesive tape of the adhesive tape roll has certain viscosity, the adhesive tape is directly pulled out from the adhesive tape roll and cut, so that the adhesive tape is stretched, the adhesive tape is attached to the tail end of the battery cell and is not stably attached, and the tension is insufficient, when the adhesive tape is pre-stretched, the adhesive tape is wound on the adhesive tape roll 851, the pre-stretching cylinder 855 drives the pre-stretching roller 853 to vertically move downwards, the pre-stretching roller 853 drives the adhesive tape to pull downwards, the adhesive tape roll unreels and pulls out a section of adhesive tape in a matching manner, and the pulled adhesive tape is in a loose state, so that the adhesive tape pulling assembly 87 clamps the adhesive tape, and the situation that the adhesive tape is stretched (expanded) due to excessive tension of pulling and/or cutting in the process of pulling the adhesive tape pulling assembly 87 and cutting the adhesive tape cutting assembly 86, and the adhesive tape is not in place and the adhesive tension is insufficient after the adhesive; in this embodiment, the rubber belt pulling assembly 87 includes a first ball screw transmission pair 871 arranged on the vertical plate 63, the first ball screw transmission pair 871 is connected with a rubber pulling base 873 through a screw rod connecting block 872, a rubber pressing roller 874 is arranged at the end of the rubber pulling base 873 close to the rubber belt cutting assembly 86, a rubber clamping block 876 in transmission connection with a rubber clamping cylinder 875 is movably arranged on the rubber pulling base 873, the rubber clamping cylinder 875 can transmit the rubber clamping block 876 to move towards the rubber pressing roller 874, the rubber pulling base 873 is matched with the transmission of the first ball screw transmission pair 871 to move towards the rubber belt cutting assembly 86, and the rubber belt pre-pulled by the rubber pre-tensioning assembly 85 is clamped from the rubber belt cutting assembly 86 and pulled to a set length. In this embodiment, the adhesive tape cutting assembly 86 includes an adhesive pressing cylinder 861 and an adhesive cutting cylinder 862 vertically arranged on the vertical plate 83, the adhesive pressing cylinder 861 can drive the adhesive tape pressing block 863 to vertically move and cooperate with the adhesive tape stopper 864 arranged right above the adhesive pressing cylinder to press the pre-pulled adhesive tape, and the adhesive cutting cylinder 862 can drive the adhesive cutting knife 865 to vertically move and cut the adhesive tape pressed by the adhesive tape pressing block 863 and cooperated with the adhesive tape pulling assembly 87 to be straightened. In this embodiment, the upper rubber belt assembly 88 includes a fourth cylinder 881 installed at the other end of the rubberizing base 82 in the length direction, the fourth cylinder 881 is connected with the first mounting seat 883 on which the swivel arm cylinder 882 is installed in a driving manner, the swivel arm cylinder 882 is pivotally connected with a rubberizing rotary block 887 installed on the U-shaped support 886 through a knuckle bearing 884 and a rubberizing swivel arm 885, the swivel arm cylinder 882 can drive the rubberizing rotary block 887 to swing relative to the U-shaped support 886 and drive a rubberizing adhesive coating assembly 888 installed thereon to absorb and send the adhesive tape cut by the rubber belt assembly 86 to the tail of the battery cell for rubberizing, the adhesive coating assembly 888 includes a rubberizing roller mounting seat 889 installed on the rubberizing rotary block 887, a vacuum absorbing rubberizing roller 8810 is installed on the rubberizing roller mounting seat 889 through a bearing, the vacuum absorbing rubberizing roller 8810 is further connected with a driving motor 2 installed on the U-shaped support 886 through a second synchronous belt driving pair 8811 and is driven to rotate for rubberiz, in practice, the driving motor 8812 drives the vacuum adsorption rubberizing roller 8810 to rotate, so that the vacuum adsorption rubberizing roller 8810 rolls the end of the wound battery cell to apply the adhesive tape, and the swing of the adhesive adsorption rubberizing assembly 888 is to complete the adhesive tape taking from the adhesive tape cutting assembly 86 to the position matched with the tail end of the battery cell, and the vacuum adsorption rubberizing roller 8810 adopts the vacuum adsorption mode to transfer the adhesive tape after adsorption.
In one embodiment, the blanking and core-pressing mechanism 9 comprises a blanking assembly 91 and a core-pressing assembly 92 which are arranged on the panel 10; the blanking assembly 91 comprises a rotary material taking assembly 93 movably butted with the plug-in winding needle assembly 51 and the core pressing assembly 92 at a blanking station, and a material blocking assembly 94 used for blocking the core pressing assembly 92 from accepting a badly wound battery core. The rotary material taking assembly 93 comprises a rotating shaft 931 arranged perpendicular to the panel 10, a gear 932 is arranged at one axial end of the rotating shaft 931, the gear 932 is meshed with a rack 934 driven to move by a fifth driving air cylinder 933 arranged on the back side of the panel 10, the fifth driving air cylinder 933 can drive the rack 934 to drive the rotating shaft 931 to rotate, a material taking mounting plate 935 is arranged at the end, far away from the gear 932, of the rotating shaft 931, two groups of sixth linear guide rails 937 are arranged on the material taking mounting plate 935, a material taking sliding plate 938 is hung on each group of sixth linear guide rails 937, a pneumatic clamping finger 939 is arranged on each material taking sliding plate 938, a finger of each pneumatic clamping finger 939 is connected with a horizontal material taking clamp 930, and each material taking sliding plate 938 is further in transmission connection with a material taking air cylinder 936 arranged on the; the fifth driving cylinder 933 drives the rotating shaft 931 to drive the material taking sliding plate 938 to rotate, and the material taking cylinder 936 is matched with the pneumatic clamping fingers 939 to slide along the sixth linear guide rail 937, so that the two pneumatic clamping fingers 939 can be circularly turned over, and the electric core can be horizontally clamped from the pluggable winding needle assembly 51 at the blanking station and then transferred to the position where the electric core is butted with the core pressing assembly 92. In this embodiment, the material blocking assembly 94 is arranged at the butt joint position of the rotary material taking assembly 93 and the core pressing assembly 92, and includes a material blocking cylinder 942 which is connected with the panel 10 through an L-shaped support 941 and is vertically arranged, the material blocking cylinder 942 is in transmission connection with the material blocking clamp 943 and can drive the material blocking clamp 943 to vertically move and block the core pressing assembly 92 from receiving the poorly wound electric core which is rotationally conveyed to the butt joint position with the core pressing assembly 92 by the material taking assembly 93, so that the poorly wound electric core is dumped into the poorly wound electric core box 944 by the rotary material taking assembly 93. In the present embodiment, the core pressing assembly 92 includes a battery cell transferring assembly 95, a power feeding core assembly 96, a core pressing short circuit testing assembly 97, a rejecting assembly 98, and a good product conveying assembly 99. Specifically, the battery cell moving assembly 95 includes a seventh linear guide rail 951 extending along the blanking direction, an adapter plate 952 is arranged on the seventh linear guide rail 951, an eighth linear guide rail 953 vertically arranged is arranged on the adapter plate 952, the eighth linear guide rail 953 is connected with a moving beam arm 954, the moving beam arm 954 is arranged perpendicular to the eighth linear guide rail 953, the moving beam arm 954 is further connected with a moving clamping jaw frame 955 provided with at least two clamping jaws, the moving beam arm 954 is further in transmission connection with a sixth driving cylinder 956 arranged on the adapter plate 952, and the adapter plate 952 is further in transmission connection with a moving cylinder 957 arranged on the panel 10; the material moving cylinder 957 drives the adapter plate 952 to move along the seventh linear guide rail 951, and is matched with the sixth driving cylinder 956 to drive the material moving jaw rack 955 to vertically move, so that the battery core is received from the butt joint position of the material taking component 93 and is transferred to the front supporting plate 971 of the core pressing short circuit testing component 97 in a matching manner. Specifically, the power feeding core assembly 96 includes a feeding carrier plate 962 movably connected to a first fixing plate 972 of the core pressing short circuit testing assembly 97 through a third linear guide rail 961 disposed on the vertical panel 10, the feeding carrier plate 962 is driven by a feeding cylinder 963 disposed on the first fixing plate 972 to slide along the third linear guide rail 961, a ninth linear guide rail 964 extending along the length direction of the feeding carrier plate 962 is disposed on the feeding carrier plate 962, a bracket mounting base 965 is disposed on the ninth linear guide rail 964, the bracket mounting base 962 can be driven by a seventh driving cylinder 966 disposed on the feeding carrier plate to move along the ninth linear guide rail 964, two parallel rotary-type ball splines 968 are mounted on the bracket mounting base 965 through the mounting base 967, and a plurality of splines (not shown in the drawing) are disposed in two staggered rows on the two rotary-type ball splines 968, each spline is connected to a supporting block 969, two adjacent supporting blocks are matched to form a bracket for supporting a battery cell, one axial end of the rotary ball spline 968 is further provided with a width adjusting motor 960 in transmission connection with the rotary ball spline 968, and the width adjusting motor 960 can drive a plurality of brackets to adjust the width through the rotary ball spline 968; the pay-off cylinder 963 transmission pay-off support plate 962 removes, and the cooperation seventh actuating cylinder 966 transmission bracket mount base 965 removes, makes a plurality of brackets will arrange the electric core on preceding layer board 971 and place in the pressure core electric core on locating the heating block 973 on first fixed block 972 and transfer respectively to heating block 973 and non-defective products conveying component 99 on. It should be noted that the splines are alternately arranged on the two rotary ball splines 968, for better illustration of the above-mentioned assembling relationship, the two rotary ball splines 968 are set as a first rotary ball spline and a second rotary ball spline, two support blocks 969 of the same bracket are respectively arranged on the first rotary ball spline and the second rotary ball spline, at the same time, the two support blocks 969 are arranged at intervals in the axial direction of the rotary ball spline 968, thereby forming a bracket with a certain width, furthermore, the support blocks 969 connected with the splines on the same rotary ball spline 968 are arranged at equal intervals in the axial direction of the rotary ball spline 968, thus, the plurality of brackets are arranged at equal intervals in the axial direction of the rotary ball spline 968; when the width of the bracket needs to be adjusted, the width adjusting motor 960 disposed at the axial end of the rotary ball spline 968 drives the first rotary ball spline and the second rotary ball spline to rotate in opposite directions, so that the splines on the first rotary ball spline/the second rotary ball spline move in opposite directions with respect to the splines on the second rotary ball spline/the first rotary ball spline, and the two support blocks 969 of each bracket are driven to move in opposite directions to adjust the width. Specifically, the core pressing short circuit testing assembly 97 further includes a second fixing plate 974 fixedly connected to the panel 10, a tab contact block 976 driven by an eighth driving cylinder (not shown in the drawings) to move vertically is further disposed beside the heating block 973, the second fixing plate 974 is connected to at least one pressing heat insulating seat 979 provided with a pressing heating block 978 through a pressing guide rod 977, the pressing heat insulating seat 979 is further in transmission connection with a pressing cylinder 9710 disposed on the second fixing plate 974, the pressing heat insulating seat 979 is further movably connected to a tab pressing block 9712 through a third guide rod 9711 and a spring (not numbered in the drawings), the pressing heating block 978 is in position-aligned with the heating block 973, and the tab pressing block 9712 is in position-aligned with the tab contact block 976. Specifically, the rejecting assembly 98 includes at least one material pushing assembly 981 perpendicular to the good product conveying assembly 99, the material pushing assembly 981 includes a supporting block 982 disposed on the conveying frame of the good product conveying assembly 99, two material pushing rods 983 are movably disposed on the supporting block 982, a material pushing block 984 is disposed at one axial end of the material pushing rod 983, the material pushing block 984 is further connected with a material pushing cylinder 985 disposed between the two material pushing rods 983 and fixedly connected with the supporting block 982, and the material pushing cylinder 985 can drive the material pushing block 984 to move toward the good product conveying assembly 99, so that the electric core with the bad short circuit test transferred to the good product conveying assembly 99 by the power transmission core assembly 96 is rejected into a first bad material box 986. Specifically, the good product conveying assembly 99 is a conveying belt in butt joint with the core pressing short circuit testing assembly 97, and is used for conveying and blanking the good product battery cores.
In some embodiments, the pressing wheel mechanism 6 includes a first sheet-entering pressing component 61 and a second sheet-entering pressing component 62 symmetrically disposed at two sides of the winding station, the first sheet-entering pressing component 61 includes a supporting seat 611 fixedly connected to the panel 10, a moving frame 612 movably penetrates the supporting seat 611, one end of the moving frame 612 matching the moving direction thereof is provided with a pressing roller 613, the other end is in transmission connection with a ninth driving cylinder 614 disposed on the supporting seat 611, the moving frame 612 is further provided with a fixing plate 615, the fixing plate 615 is movably connected with a pressing roller seat 618 mounted with a first pressing roller 617 through a third guide rod 616, and the pressing roller seat 618 is further in transmission connection with a pressing cylinder 619 disposed on the fixing plate 615. In this embodiment, the second insert pressing assembly 62 includes a linear guide 621 disposed on the panel 10, a moving block 622 is hung on the linear guide 621, the moving block 622 is fixedly connected to a moving seat frame 623, the moving block 622 is further in transmission connection with a tenth driving cylinder 628 disposed on the panel 10, a second pressing roller 624 is disposed at an end of the moving seat frame 623 relatively far away from the tenth driving cylinder 623, the moving seat frame 623 is further connected to a third pressing roller 626 through a first moving frame 625, and the first moving frame 625 can be driven by an eleventh driving cylinder 627 disposed on the moving seat frame 623 and drives the third pressing roller 626 to move; the ninth driving cylinder 614 drives the jacking roller 613 to move towards the triangular sheet feeder 52, the jacking cylinder 619 drives the first jacking roller 617 to move towards the triangular sheet feeder 52, the tenth driving cylinder 623 drives the second jacking roller 624 to move towards the first jacking roller 617, and the eleventh driving cylinder 627 drives the third jacking roller 626 to move towards the first jacking roller 617, so that the first sheet feeding jacking assembly 61 and the second sheet feeding jacking assembly 62 are matched to jack the membrane and the pole piece of the cell into the winding mechanism 5.
In some embodiments, the welding and cutting ending mechanism 7 includes a mounting upright plate 71 disposed on the panel 10, a first linear guide rail 72 is disposed on the mounting upright plate 71, the first linear guide rail 72 is connected to a sliding group seat 73 disposed perpendicular to the mounting upright plate 71 and in transmission connection with a first jacking cylinder 720,
a second moving frame 75 which is driven by a cutting cylinder 74 to move is movably arranged on the sliding group seat 73, a welding cutter 76 for welding and cutting the diaphragm is arranged on the second moving frame 75, a top pressure roller seat 77 is also arranged at one end of the sliding group seat 73, which is matched with the moving direction of the sliding group seat 73, a diaphragm compression roller 78 is assembled at the end, relatively far away from the sliding group seat 73, of the top pressure roller seat 77 through a bearing, the end, relatively far away from the sliding group seat 73, of the top pressure roller seat 78 is also connected with a floating roller seat 710 through a floating guide rod 79, a first diaphragm compression roller 711 is arranged on the floating roller seat 710, and the diaphragm compression roller 78 can press the diaphragm to assist the welding and cutting of the diaphragm; the sliding group seat 73 is further connected with a pivoting frame 713 through a pivoting shaft 712, a final wheel 714 is arranged at one end, relatively far away from the pivoting shaft 712, of the pivoting frame 713, the pivoting frame 713 is further connected with a final driving cylinder 718 through a U-shaped seat 715, a rotating shaft 716 and a joint bearing 717, the final driving cylinder 718 is movably connected with the sliding group seat 73 through a connecting seat 719, the final driving cylinder 718 can drive the pivoting frame 713 to swing around the pivoting shaft 712 as an axis and drive the final wheel 714 to be tightly attached to the end of the battery cell completing the membrane welding, and the auxiliary adhesive applying mechanism 8 applies adhesive.
In some embodiments, the pole piece single roll assembly 4 includes a mounting base 41 disposed perpendicular to the panel 10, two pole piece single roll units for winding the defective pole piece are symmetrically disposed on the mounting base 41, and the two pole piece single roll units are respectively located between the two sheet feeding and cutting assemblies 31 and the winding station of the winding mechanism 5 in the disposed position; the pole piece single-winding unit comprises a second linear guide rail 42 which is arranged on the mounting base 41 and extends along the length direction of the mounting base 41, a pole piece winding needle assembly 44 which is in transmission connection with a push-pull needle cylinder 43 is arranged on the second linear guide rail 42, the pole piece winding needle assembly 44 comprises a slide seat plate 45 movably arranged on the second linear guide rail 42, a pole piece winding needle 47 which is assembled on the slide seat plate 45 through a slide seat 46, a first winding motor 48 which is arranged on the slide seat plate 45 and is in transmission connection with the pole piece winding needle 47 through a coupling (not numbered in the drawing), and a winding needle nozzle 49 which is movably butted with the pole piece winding needle 47, the winding needle nozzle 49 is also movably assembled on the second linear guide rail 42 through a first slide seat 410, a cylinder pull block 411 is arranged on the first slide seat 410, the cylinder pull block 411 is respectively in transmission connection with a push-back needle cylinder 412 arranged on the slide seat 46 and a slide seat cylinder 413 arranged on the mounting base 41, the push-pull needle cylinder 413 can drive the first, the needle winding nozzle 49 penetrates the panel 10 and extends out, the needle pushing and withdrawing cylinder 413 can drive the sliding seat 46 and the sliding seat plate 45 to slide relative to the first sliding seat 410, the pole piece winding needle 47 is inserted into or withdrawn from the needle winding nozzle 49, and the pole piece winding needle 47 can guide the unwound pole piece or the poorly wound pole piece after being inserted into the needle winding nozzle 49.
The technical scope of the present invention is not limited to the above embodiments, and any modifications, equivalent variations and modifications made to the above embodiments according to the technical spirit of the present invention still fall within the technical scope of the present invention.

Claims (10)

1. The utility model provides a square electricity core winder of inserted sheet behind three-wire, its characterized in that includes:
the membrane unwinding mechanism is used for unwinding a membrane of the battery cell to the winding mechanism;
the pole piece unreeling mechanism is used for carrying out length measurement, powder brushing and dust collection and deviation correction on a pole piece of the battery cell and then sending the pole piece to the pole piece feeding and cutting mechanism;
the pole piece feeding and cutting mechanism comprises two pole piece feeding and cutting assemblies, wherein the pole piece feeding and cutting assemblies are used for clamping a pole piece, passing through a pole piece single-roll assembly and then feeding the pole piece to a winding mechanism, and/or cutting the pole piece in sections after the winding mechanism winds the pole piece to a set length;
the winding mechanism comprises three plug-in winding needle assemblies, the three plug-in winding needle assemblies circularly rotate among a winding station, a transfer station and a blanking station, and the plug-in winding needle assemblies at the winding station are matched with a pressing wheel mechanism and a welding and cutting ending mechanism which are arranged on the peripheral side of the winding mechanism to sequentially perform cell pre-winding, insert winding, diaphragm welding and ending on a cell so as to complete winding;
the rubberizing mechanism is matched with the plug-in winding needle assembly which rotates to the transfer station to rubberize the battery cell;
and the blanking core pressing mechanism is movably butted with the plug-in winding needle assembly which rotates to the blanking station, and is used for rejecting the badly wound battery core after the battery core is accepted or carrying out core pressing and short circuit testing on the battery core in sequence and carrying out blanking.
2. The three-wire rear-insert square core winder of claim 1, wherein the winding mechanism further comprises a triangular insert feeder disposed at a winding station for guiding the pole piece and the diaphragm to the pluggable winding pin assembly; the three pluggable winding needle assemblies are arranged on the revolution assembly, the revolution assembly comprises a base seat arranged on a winding base arranged perpendicular to a panel of the winding machine, a turning plate is assembled on the base seat through a bearing, the three pluggable winding needle assemblies are arranged on the turning plate, a transmission gear is arranged on one axial side of the turning plate and is meshed and connected with a driving gear arranged on a driving shaft of a speed reducer driven by a revolution motor, so that the revolution motor can drive the turning plate to rotate and drive the three pluggable winding needle assemblies to circularly rotate among a winding station, a transfer station and a discharging station; the pluggable winding needle assembly comprises a winding needle shaft, a winding needle connected with the winding needle shaft through a winding needle connector, a winding needle mandrel movably penetrating through the winding needle shaft and connected with an inserting sheet movably penetrating through the winding needle connector, and an ejector pin movably penetrating through the winding needle mandrel, wherein the winding needle shaft is movably assembled on the turnover disc through a shaft sleeve; the needle winding shaft is also provided with a drawing block, the end of the needle winding mandrel, which extends out of the needle winding shaft, is provided with a shaft tail wheel, the needle winding mandrel is also movably sleeved with a shaft tail drawing wheel which can slide along the needle winding mandrel, and the shaft tail drawing wheel is connected with the ejector pin; the base seat is provided with a drawing device which is movably butted with a drawing block of the plug-in winding needle assembly positioned at a winding station and a blanking station, the drawing device comprises a mounting plate which is arranged on the base seat and extends along the axial direction of the turnover disc, the mounting plate is provided with a linear guide rail extending along the axial direction of the turnover disc, the linear guide rail is provided with a sliding plate, the sliding plate is vertically provided with a jacking air cylinder, the jacking air cylinder is in transmission connection with the clamping seat, and the sliding plate is also in transmission connection with a driving motor arranged on the mounting plate through a ball screw; the jacking cylinder drives the clamping seat to move towards the drawing block and be clamped with the drawing block, and the driving motor is matched to drive the sliding plate to slide along the linear guide rail, so that the drawing block drives the pluggable winding needle assembly to move, and the winding needle is inserted into or withdrawn from the front-arranged reducing mouths at the winding station and the blanking station; the winding base is further provided with two ejector pin drawing devices movably butted with the shaft tail drawing wheel of the pluggable winding needle assembly positioned at a winding station and a blanking station, each ejector pin drawing device comprises a support frame arranged on the winding base, a drawing air cylinder arranged towards the turnover disc is arranged on each support frame, the drawing air cylinders are in transmission connection with guide rod sliding seats, the guide rod sliding seats are connected with push needle connecting blocks through guide rods, the push needle connecting blocks are provided with drawing bearings movably clamped with the shaft tail drawing wheels, and the push needle connecting blocks are further in transmission connection with ejector pin air cylinders arranged on the guide rod sliding seats; the ejector pin cylinder drives the push pin connecting block to move towards the shaft tail pulling wheel and be clamped with the shaft tail pulling wheel, and the push pin cylinder drives the guide rod sliding seat to move in a matched mode to drive the ejector pin to be in butt joint with the winding needle connector and enable the winding needle piece of the winding needle to be opened or clamped; the winding base is further provided with two inserting piece pulling devices which are movably butted with a shaft tail wheel of the pluggable winding needle assembly at a winding station and a blanking station respectively, each inserting piece pulling device comprises a first support frame arranged on the winding base, a first linear guide rail extending along the axial direction of the turnover disc is arranged on the first support frame, a sliding block in transmission connection with a first pulling cylinder arranged on the first support frame is arranged on the first linear guide rail, the sliding block is connected with an inserting piece joint through a first guide rod, an inserting piece push-pull plate used for being connected with the shaft tail wheel in a clamping manner is arranged on the inserting piece joint, and the inserting piece joint is also in transmission connection with an inserting piece cylinder arranged on the sliding block; inserted sheet cylinder transmission inserted sheet connects and drives the inserted sheet push-and-pull board orientation the shaft tail wheel removes, cooperates first extraction cylinder transmission sliding block slides along first linear guide, makes the shaft tail wheel drives roll up the needle dabber and remove and drive the inserted sheet is parallel roll up the needle and insert the electric core after the prewinding or will the inserted sheet is extracted from the electric core of coiling.
3. The three-wire back insert square core winder according to claim 1, wherein the membrane unwinding mechanism comprises two membrane unwinding units, each membrane unwinding unit comprises a membrane unwinding assembly, at least one static electricity removing assembly, a membrane tension adjusting assembly and a membrane length measuring assembly, the membrane unwinding assembly is arranged on a panel of the winder and sequentially arranged along a membrane unwinding direction, and the membrane is unwound to the winding mechanism after being unwound from the membrane unwinding assembly and sequentially subjected to static electricity removal, tension adjustment and length measurement; the diaphragm unwinding assembly comprises a base arranged on the panel, a supporting rod penetrating through the base and the panel is arranged on the base, a roller supporting plate for installing a diaphragm roller is arranged at one end, extending out of the panel, of the supporting rod, a linkage plate is fixedly connected to the other end, relatively far away from the roller supporting plate, of the supporting rod, a transmission lead screw is further arranged between the base and the linkage plate, and the transmission lead screw is in transmission connection with a deviation correcting motor through a coupler; the base is further provided with an unwinding expansion shaft which penetrates through the linkage plate and the panel and extends out through a linear bearing, the unwinding expansion shaft is connected with the linkage plate through the linear bearing, the unwinding expansion shaft is in transmission connection with an expansion shaft cylinder arranged on the linkage plate through an expansion shaft connector, and the unwinding expansion shaft is further in transmission connection with an unwinding driving motor arranged on the linkage plate through a first synchronous belt transmission pair; the static electricity removing assembly comprises a support plate arranged on a support for mounting the membrane unwinding roller, and an ion rod arranged in parallel with the membrane unwinding roller is arranged on the support plate; the diaphragm tension adjusting assembly comprises a frame seat arranged on the panel, two second linear guide rails extending along the length direction of the frame seat are arranged on the frame seat, a sliding groove is formed in the frame seat, a sliding plate for installing a tension roller is arranged on each second linear guide rail, the sliding plate is fixedly connected with a sliding block penetrating through the sliding groove, and the sliding block is in transmission connection with a tension adjusting motor arranged on the frame seat through a guide shaft and a bent rod; the diaphragm length measuring assembly comprises a length measuring angle seat fixedly connected with the panel, the length measuring angle seat is connected with a pressing wheel seat provided with a length measuring pressing roller through a linear guide rod, the pressing wheel seat is further in transmission connection with a driving air cylinder arranged on the length measuring angle seat, the length measuring angle seat is further movably connected with a position through a bearing and is matched with a length measuring roller right opposite to the length measuring pressing roller, and the length measuring roller is further connected with an encoder arranged at one end of the axial direction of the length measuring roller through a first coupler and used for measuring the unreeling length of the diaphragm.
4. The three-wire back insert square core winder according to claim 3, wherein the pole piece unwinding mechanism comprises two pole piece deviation-rectifying unwinding assemblies symmetrically arranged on both sides of one of the two diaphragm unwinding units, and the pole piece deviation-rectifying unwinding assemblies comprise a deviation-rectifying unwinding assembly, a powder brushing and dust collecting device, a color code detection assembly, a tension assembly, a length measurement assembly and a process deviation-rectifying assembly sequentially arranged along a pole piece feeding direction; the deviation-rectifying unreeling assembly comprises a first base arranged on the panel, a first supporting rod penetrating through the first base and the panel is arranged on the first base, a first supporting plate for installing a pole piece roller is arranged at one end, extending out of the panel, of the first supporting rod, a first linkage plate is fixedly connected to the other end, relatively far away from the first supporting plate, of the first supporting rod, a first transmission screw rod is further arranged between the first base and the first linkage plate, and the first transmission screw rod is in transmission connection with a first deviation-rectifying motor through a second coupler; the first base is further provided with a pole piece unreeling expansion shaft which penetrates through the first linkage plate and the panel and extends out through a first linear bearing, the pole piece unreeling expansion shaft is connected with the first linkage plate through the first linear bearing, the pole piece unreeling expansion shaft is in transmission connection with a first expansion shaft cylinder arranged on the first linkage plate through a first expansion shaft connector, and the pole piece unreeling expansion shaft is further in transmission connection with a first unreeling driving motor arranged on the first linkage plate through a second synchronous belt transmission pair; the powder brushing and dust collecting device comprises a transmission powder brushing roller and a driven powder brushing roller which are oppositely arranged and assembled in a powder suction box through a bearing, the powder suction box is fixedly connected with a panel through a powder suction box bracket, the transmission powder brushing roller is driven by a driving motor to rotate and drives the driven powder brushing roller to rotate, and the pole pieces moving along a gap between the transmission powder brushing roller and the driven powder brushing roller are brushed and dedusted in a matching manner; the color mark detection assembly comprises a detection bracket which is arranged vertical to the panel, a detection mounting seat is arranged at the end of the detection bracket, which is far away from the panel, and a color mark sensor is arranged on the detection mounting seat; the tension assembly comprises a first frame seat arranged on the panel, two third linear guide rails extending along the length direction of the first frame seat are arranged on the first frame seat, a sliding chute is formed in the first frame seat, a first sliding plate for mounting a pole piece roller is arranged on each third linear guide rail, the first sliding plate is fixedly connected with a first sliding block penetrating through the sliding chute, and the first sliding block is in transmission connection with a pole piece tension adjusting motor arranged on the first frame seat through a first guide shaft and a first curved bar; the length measuring assembly comprises a first length measuring angle seat fixedly connected with the panel, the first length measuring angle seat is connected with a first pressing wheel seat provided with a first length measuring pressing roller through a first linear guide rod, the first pressing wheel seat is also in transmission connection with a first driving air cylinder arranged on the first length measuring angle seat, the first length measuring angle seat is also movably connected with a first length measuring roller which is matched and rightly opposite to the first length measuring pressing roller in position through a bearing, and the first length measuring roller is also connected with a second encoder which is arranged at one axial end of the first length measuring roller through a second coupling and is used for measuring the unreeling length of a pole piece; the process subassembly of rectifying is including establishing the base of rectifying on the panel, the base of rectifying connects the roller mount pad of crossing of installation roller of rectifying through the revolving cylinder of rectifying, cross the roller mount pad still through two linkage subassemblies of rectifying that constitute by crank, universal bearing and linkage block with the base of rectifying is connected, the revolving cylinder drive of rectifying cross the roller mount pad is rotatory, coordinates two the linkage subassembly of rectifying drives and crosses roller mount pad reverse torsion and drive the roller of rectifying and rectify the pole piece and rectify.
5. The three-wire back-insert square core winder according to claim 1, wherein the sheet feeding and cutting assembly comprises a corner seat arranged perpendicular to a panel, a first ball screw sliding table is arranged on the vertical panel on the corner seat, a fourth linear guide rail extending in a direction perpendicular to the sliding direction of the sliding seat is arranged on the sliding seat of the first ball screw sliding table, a sheet feeding bottom plate is arranged on the fourth linear guide rail, the sheet feeding bottom plate is also movably connected with the panel through an error correction shaft, and the first ball screw sliding table can drive the sheet feeding bottom plate to swing by taking the error correction shaft as an axis; the sheet feeding bottom plate is provided with a fifth linear guide rail extending along the length direction of the sheet feeding bottom plate, a sheet feeding plate is arranged on the fifth linear guide rail, and the sheet feeding plate is in transmission connection with a second ball screw sliding table arranged on the sheet feeding bottom plate through a connecting sheet and can be driven by the second ball screw sliding table to slide along the fifth linear guide rail; the sheet feeding plate is provided with a third ball screw sliding table, the sheet feeding plate is also connected with a pole piece cutting assembly through a cutter connecting block, and the third ball screw sliding table is connected with a sheet feeding clamping assembly movably butted with the pole piece cutting assembly through a sheet feeding connecting block; the second ball screw sliding table drives the pole piece cutting assembly and the piece feeding clamping assembly to move synchronously, and the third ball screw sliding table drives the piece feeding clamping assembly to move and the first ball screw sliding table drives the piece feeding bottom plate to swing, so that the piece feeding cutting assembly can feed the pole piece to the pole piece single-roll assembly or the winding mechanism in a deviation rectifying manner, and the pole piece is cut after the winding mechanism winds the pole piece to a set length or after the pole piece single-roll assembly winds a bad pole piece; the clamping piece feeding assembly comprises a clamping piece feeding support plate connected with a clamping piece feeding connecting block, a fixed pressing block is arranged on one side edge of the clamping piece feeding support plate in the width direction and fixedly connected with a fixed clamping piece feeding clamp, a pressing roller is further mounted on the fixed pressing block through a bearing seat, a support block is arranged on the other side edge of the clamping piece feeding support plate in the width direction and movably connected with a movable roller seat through an optical axis, a clamping piece feeding pressing roller opposite to the pressing roller in position and a movable clamping piece feeding clamp opposite to the fixed clamping piece feeding clamp in position are arranged on the movable roller seat, and the movable roller seat is further in transmission connection with a second driving cylinder arranged on the clamping piece feeding support plate; the pole piece cutting assembly comprises a cutter seat fixedly connected with a cutter connecting block, a fixed cutter seat for installing a fixed cutter is arranged on the cutter seat, the cutter seat is back to the end of the fixed cutter seat, a third driving cylinder is arranged at the end of the fixed cutter seat, the third driving cylinder is matched with two linkage blocks to run through the cutter seat and a first optical axis connecting movable cutter seat extending to the side of the fixed cutter seat, and the movable cutter seat is movably connected with a cutter pressing plate opposite to the fixed cutter in position through a second guide rod matching spring.
6. The three-wire rear-insert square electric core winder according to claim 1, wherein the adhesive applying mechanism comprises an upper adhesive base plate fixedly connected with the panel, an adhesive applying base is arranged on the upper adhesive base plate, a vertical plate extending in a direction perpendicular to the panel is arranged on one side of the adhesive applying base in the length direction, an adhesive tape disc, an adhesive tape pre-tensioning assembly, an adhesive tape cutting assembly and an adhesive tape pulling assembly are sequentially arranged on one side wall of the vertical plate in the extending direction, the adhesive tape cutting assembly can cut an adhesive tape of a set length pulled from the adhesive tape disc by the adhesive tape pre-tensioning assembly in cooperation with the adhesive tape pulling assembly, and the adhesive tape is delivered to the tail of the electric core which rotates to the middle position and completes winding and is adhered by the adhesive tape assembly arranged on the adhesive applying base and matched with the adhesive tape cutting assembly in the set position; the pre-tensioning rubber belt assembly comprises a plurality of rubber belt rollers which are arranged perpendicular to a vertical plate, the rubber belt rollers are arranged at intervals along the extending direction of the vertical plate, a pre-tensioning roller arranged on a pre-tensioning sliding block is arranged between two of the rubber belt rollers, and the pre-tensioning sliding block is arranged on a guide shaft which is arranged vertically in a penetrating manner and is in transmission connection with a pre-tensioning cylinder arranged on the vertical plate; the rubber belt pulling assembly comprises a first ball screw transmission pair arranged on the vertical plate, the fourth ball screw transmission pair is connected with a rubber belt pulling seat through a screw rod connecting block, a rubber pressing roller is arranged at the end, close to the rubber belt cutting assembly, of the rubber belt pulling seat, and a rubber clamping block in transmission connection with a rubber clamping cylinder is movably arranged on the rubber belt pulling seat; the adhesive tape cutting assembly comprises an adhesive tape pressing cylinder and an adhesive tape cutting cylinder which are vertically arranged on the vertical plate, the adhesive tape pressing cylinder can drive an adhesive tape pressing block to vertically move and is matched with an adhesive tape stop block arranged right above the adhesive tape pressing cylinder to press a pre-pulled adhesive tape, and the adhesive tape cutting cylinder can drive an adhesive tape cutter to vertically move and cut the adhesive tape which is pressed by the adhesive tape pressing block and is matched with the adhesive tape pulling assembly to straighten; the upper rubber belt assembly comprises a fourth driving cylinder arranged at the other end of the rubberizing base in the length direction, the fourth driving cylinder is in transmission connection with a first mounting seat for mounting a rotating arm cylinder, the rotating arm cylinder is in pivot connection with a rubberizing rotating block arranged on the U-shaped bracket through a joint bearing and a rubberizing rotating arm, the rotary arm cylinder can drive the rubberizing rotary block to swing relative to the U-shaped support and drive the rubberizing pasting component arranged on the rotary arm cylinder to adsorb the adhesive tape cut by the adhesive tape cutting component and send the adhesive tape to the tail part of the battery cell for rubberizing, the adhesive suction and sticking assembly comprises a rubber sticking roller mounting seat arranged on the adhesive sticking rotating block, a vacuum adsorption rubber sticking roller is assembled on the rubber sticking roller mounting seat through a bearing, the vacuum adsorption rubberizing roller is also in transmission connection with a driving motor arranged on the U-shaped bracket through a second synchronous belt transmission pair and is driven to rotate by the driving motor for rubberizing.
7. The three-wire rear insert square core winder according to claim 1, wherein the blanking and core pressing mechanism comprises a blanking assembly and a core pressing assembly arranged on the panel; the blanking assembly comprises a rotary material taking assembly and a material blocking assembly which are movably butted with the plug-in winding needle assembly and the pressing core assembly positioned at a blanking station, wherein, the rotary material taking component comprises a rotary shaft which is arranged vertical to the panel, one axial end of the rotary shaft is provided with a gear, the gear is engaged and connected with a rack which is driven by a fifth driving air cylinder arranged at the back side of the panel to move, the fifth driving cylinder can drive the rack to drive the rotating shaft to rotate, the end of the rotating shaft, which is relatively far away from the gear, is provided with a material taking mounting plate, the material taking mounting plate is provided with two groups of sixth linear guide rails, a material taking sliding plate is hung on each group of sixth linear guide rails, the material taking sliding plate is provided with a pneumatic clamping finger, the finger of the pneumatic clamping finger is connected with the horizontal material taking clamp, and the material taking sliding plate is also in transmission connection with a material taking cylinder arranged on a material taking mounting plate; the fifth driving cylinder drives the rotating shaft to drive the material taking sliding plate to rotate, and the material taking cylinder is matched to drive the pneumatic clamping fingers to slide along the sixth linear guide rail, so that the two pneumatic clamping fingers are circularly turned over and horizontally clamp a battery cell from the pluggable winding needle assembly at the blanking station and then transfer the battery cell to a position in butt joint with the core pressing assembly; keep off the material subassembly and establish rotatory subassembly and the butt joint position department of getting material of pressure core subassembly, include the fender material cylinder of being connected and vertical setting through L shape support and panel, keep off the material cylinder transmission and connect and keep off the material clamp and can drive and keep off the material and press the vertical removal of clamp and block the pressure core subassembly accept by unloading subassembly rotary transport to with the bad electric core of coiling of pressure core subassembly butt joint position department, make rotatory subassembly of getting will convolute bad electric core and empty to the bad magazine in.
8. The three-wire back-insert square electric core winder according to claim 1, wherein the core pressing assembly comprises an electric core transferring assembly, an electric core assembly, a core pressing short circuit testing assembly, an eliminating assembly and a non-defective product conveying assembly, wherein the electric core transferring assembly comprises a seventh linear guide rail extending along a blanking direction, an adapter plate is arranged on the seventh linear guide rail, an eighth linear guide rail vertically arranged is arranged on the adapter plate, the eighth linear guide rail is connected with a material transferring truss arm, the material transferring truss arm is further connected with a material transferring clamping jaw frame provided with at least two clamping jaws, the material transferring truss arm is further in transmission connection with a sixth driving cylinder arranged on the adapter plate, and the adapter plate is further in transmission connection with a material transferring cylinder arranged on the panel; the material moving cylinder drives the adapter plate to move along a seventh linear guide rail, and is matched with the sixth driving cylinder to drive the material moving clamping jaw frame to move vertically, so that a battery cell is received from a butt joint position of the material rotating and taking assembly and is transferred to a front supporting plate of the core pressing short circuit testing assembly; the feeding core assembly comprises a third linear guide rail and a feeding carrier plate, wherein the third linear guide rail is arranged through a vertical panel, the feeding carrier plate is movably connected with a first fixed plate of the pressing core short-circuit testing assembly, the feeding carrier plate is driven to slide along an eighth linear guide rail through a feeding cylinder arranged on the first fixed plate, a ninth linear guide rail extending along the length direction of the feeding carrier plate is arranged on the feeding carrier plate, a bracket mounting seat is arranged on the ninth linear guide rail, the bracket mounting seat can move along the ninth linear guide rail through a seventh driving cylinder arranged on the feeding carrier plate, two rotary ball splines arranged in parallel are assembled on the bracket mounting seat through the mounting seat, a plurality of splines arranged in two rows in a staggered manner are arranged on the rotary ball splines, each spline is connected with a supporting block, and two adjacent supporting blocks are matched to form a bracket for supporting an electric core, one axial end of the rotary ball spline is also provided with a width adjusting motor in transmission connection with the rotary ball spline, and the width adjusting motor can be used for adjusting the width of a plurality of brackets through the transmission of the rotary ball spline; the feeding cylinder drives the feeding carrier plate to move, and the seventh driving cylinder is matched with the feeding carrier plate to drive the bracket mounting seat to move, so that the plurality of brackets respectively transfer the electric core arranged on the front carrier plate and the core pressing electric core arranged on the heating block arranged on the first fixing block to the heating block and the good product conveying assembly; the pressing core short circuit testing assembly further comprises a second fixing plate fixedly connected with the panel, a lug contact block driven by an eighth driving cylinder to move vertically is further arranged beside the heating block, the second fixing plate is connected with at least one pressing heat insulation seat provided with a pressing heating block through a pressing guide rod, the pressing heat insulation seat is further in transmission connection with a pressing cylinder arranged on the second fixing plate, the pressing heat insulation seat is further movably connected with a lug pressing block through a third guide rod and a spring, the pressing heating block is matched and aligned with the heating block in position, and the lug pressing block is matched and aligned with the lug contact block in position; the rejection component comprises at least one material pushing component which is arranged perpendicular to the good product conveying component, the material pushing component comprises a supporting block which is arranged on a conveying frame of the good product conveying component, two material pushing rods are movably arranged on the supporting block, a material pushing block is arranged at one axial end of each material pushing rod, the material pushing block is further connected with a material pushing cylinder which is arranged between the two material pushing rods and fixedly connected with the supporting block, and the material pushing cylinder can drive the material pushing block to move towards the good product conveying component, so that the electricity cores which are poor in short-circuit testing and are transferred to the good product conveying component by the electricity transmission core component are rejected to a first poor material box; the good product conveying assembly is a conveying belt butted with the pressing core short circuit testing assembly and is used for conveying and discharging the good product battery cores.
9. The three-wire rear insert square core winder according to any one of claims 1 to 8, wherein the pinch roller mechanism comprises a first insert pressing assembly and a second insert pressing assembly which are symmetrically arranged at two sides of the winding station, the first insert pressing assembly comprises a supporting seat fixedly connected with the panel, a moving frame is movably arranged on the supporting seat in a penetrating way, one end of the moving frame, which is matched with the moving direction of the moving frame, is provided with a pressing roller, the other end of the moving frame is in transmission connection with a ninth driving cylinder arranged on the supporting seat, the moving frame is further provided with a fixed plate, the fixed plate is movably connected with a pressing roller seat provided with the first pressing roller through a third guide rod, and the pressing roller seat is further in transmission connection with a pressing cylinder arranged on the fixed plate; the second sheet-inserting jacking assembly comprises a linear guide rail arranged on the panel, a moving block is hung on the linear guide rail and fixedly connected with a moving seat frame, the moving block is also in transmission connection with a tenth driving cylinder arranged on the panel, a second jacking roller is arranged at the end of the moving seat frame, which is relatively far away from the tenth driving cylinder, the moving seat frame is also connected with a third jacking roller through a first moving frame, and the first moving frame can be driven by an eleventh driving cylinder arranged on the moving seat frame to drive the third jacking roller to move; the welding-cutting ending mechanism comprises an installation vertical plate arranged on a panel, a first linear guide rail is arranged on the installation vertical plate, the first linear guide rail is connected with a sliding group seat which is perpendicular to the installation vertical plate and is in transmission connection with a first jacking cylinder, a second moving frame which is in transmission movement by a cutting cylinder is movably arranged on the sliding group seat, a welding-cutting knife for welding and cutting a diaphragm is arranged on the second moving frame, a jacking roller seat is also arranged at one end, matched with the moving direction, of the sliding group seat, a diaphragm compression roller is assembled at the end, relatively far away from the sliding group seat, of the jacking roller seat through a bearing, the end, relatively far away from the sliding group seat, of the jacking roller seat is also connected with a floating roller seat through a floating guide rod, a first diaphragm compression roller is arranged on the floating roller seat, and the diaphragm compression roller can compress the diaphragm to assist in welding and cutting the diaphragm in cooperation with the first diaphragm; the sliding group seat is further connected with a pivoting frame through a pivoting shaft, a tail-closing wheel is arranged at one end, far away from the pivoting shaft, of the pivoting frame, the pivoting frame is further connected with a tail-closing driving cylinder through a U-shaped seat, a rotating shaft and a joint bearing, the tail-closing driving cylinder is movably connected with the sliding group seat through a connecting seat, the tail-closing driving cylinder can drive the pivoting frame to swing by taking the pivoting shaft as an axis and drive the tail-closing wheel to be tightly attached to the tail end of a battery cell for completing diaphragm welding, and the gluing mechanism is assisted in gluing.
10. The three-wire rear insert square core winder according to claim 9, wherein the pole piece single-winding assembly comprises a mounting base arranged perpendicular to the panel, two pole piece single-winding units for winding a defective pole piece are symmetrically arranged on the mounting base, and the two pole piece single-winding units are respectively positioned between the two feeding and cutting assemblies and the winding station of the winding mechanism in the arrangement position; the pole piece single-winding unit comprises a second linear guide rail which is arranged on the mounting base and extends along the length direction of the mounting base, a pole piece winding needle assembly which is in transmission connection with a push-pull needle cylinder is arranged on the second linear guide rail, the pole piece winding needle assembly comprises a slide seat plate movably assembled on the second linear guide rail, a pole piece winding needle assembled on the slide seat plate through a slide seat, a first winding motor which is arranged on the slide seat plate and is in transmission connection with the pole piece winding needle through a coupler, and a winding needle nozzle which is in movable butt joint with the pole piece winding needle, the winding needle nozzle is movably arranged on the second linear guide rail through a first slide seat, a cylinder pull block is arranged on the first slide seat, the cylinder pull block is respectively in transmission connection with a push-and-pull needle cylinder arranged on the slide seat and a plug-pull needle cylinder arranged on the mounting base, and the plug-pull needle cylinder can drive the first slide seat to slide along the second linear, the needle rolling nozzle penetrates through the panel and extends out, the needle pushing and withdrawing cylinder can drive the sliding seat and the sliding seat plate to slide relative to the first sliding seat, so that the pole piece rolling needle is inserted into or withdrawn from the needle rolling nozzle, and the pole piece rolling needle can guide an unreeled pole piece or a poorly coiled pole piece after being inserted into the needle rolling nozzle.
CN202010285157.9A 2020-04-13 2020-04-13 Three-needle rear insert square electric core winding machine Pending CN111342146A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010285157.9A CN111342146A (en) 2020-04-13 2020-04-13 Three-needle rear insert square electric core winding machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010285157.9A CN111342146A (en) 2020-04-13 2020-04-13 Three-needle rear insert square electric core winding machine

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Publication Number Publication Date
CN111342146A true CN111342146A (en) 2020-06-26

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Application Number Title Priority Date Filing Date
CN202010285157.9A Pending CN111342146A (en) 2020-04-13 2020-04-13 Three-needle rear insert square electric core winding machine

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113972405A (en) * 2021-10-19 2022-01-25 三一技术装备有限公司 Electricity core coiling mechanism
CN115922796A (en) * 2023-01-17 2023-04-07 苏州杰锐思智能科技股份有限公司 Cutter bottom plate assembly and battery cell winding device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113972405A (en) * 2021-10-19 2022-01-25 三一技术装备有限公司 Electricity core coiling mechanism
CN113972405B (en) * 2021-10-19 2023-11-28 三一技术装备有限公司 Battery cell winding device
CN115922796A (en) * 2023-01-17 2023-04-07 苏州杰锐思智能科技股份有限公司 Cutter bottom plate assembly and battery cell winding device

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