CN110459815B - Front-mounted device for preventing battery cell from deforming, winding mechanism and winding method - Google Patents
Front-mounted device for preventing battery cell from deforming, winding mechanism and winding method Download PDFInfo
- Publication number
- CN110459815B CN110459815B CN201910841363.0A CN201910841363A CN110459815B CN 110459815 B CN110459815 B CN 110459815B CN 201910841363 A CN201910841363 A CN 201910841363A CN 110459815 B CN110459815 B CN 110459815B
- Authority
- CN
- China
- Prior art keywords
- winding
- needle
- shaft
- assembly
- pulling
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000004804 winding Methods 0.000 title claims abstract description 422
- 238000000034 method Methods 0.000 title claims abstract description 14
- 230000005540 biological transmission Effects 0.000 claims abstract description 68
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims abstract description 50
- 229910052744 lithium Inorganic materials 0.000 claims abstract description 50
- 230000000712 assembly Effects 0.000 claims abstract description 34
- 238000000429 assembly Methods 0.000 claims abstract description 34
- 230000020347 spindle assembly Effects 0.000 claims abstract description 21
- 230000000149 penetrating effect Effects 0.000 claims abstract description 10
- 238000007599 discharging Methods 0.000 claims description 29
- 210000001503 joint Anatomy 0.000 claims description 20
- 238000010521 absorption reaction Methods 0.000 claims description 13
- 238000009434 installation Methods 0.000 claims description 11
- 238000005096 rolling process Methods 0.000 claims description 8
- 230000001360 synchronised effect Effects 0.000 claims description 6
- 238000012546 transfer Methods 0.000 claims description 6
- 238000012545 processing Methods 0.000 description 4
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012797 qualification Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
Classifications
-
- 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
-
- 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
-
- 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
- H01M6/04—Cells with aqueous electrolyte
- H01M6/06—Dry cells, i.e. cells wherein the electrolyte is rendered non-fluid
- H01M6/10—Dry cells, i.e. cells wherein the electrolyte is rendered non-fluid with wound or folded electrodes
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Primary Cells (AREA)
Abstract
The invention discloses a front-mounted device for preventing battery cell deformation, a winding mechanism and a winding method, wherein the front-mounted device for preventing battery cell deformation comprises a rotary table arranged on a mounting plate, the rotary table is in transmission connection with a winding main shaft assembly through a rotary shaft, three nozzle-shrinking shaft assemblies are arranged on the rotary table in a penetrating manner and circularly rotate among a winding station, a blanking station and a transferring station along with the rotary table, and each nozzle-shrinking shaft assembly comprises a nozzle and an inserting sheet which are arranged on a central shaft in a penetrating manner and can move along the axial direction of the central shaft so as to be movably butted with a winding needle of the winding main shaft assembly; the mounting plate is also provided with a driving component at the position matched with the winding station, and the driving component can drive the nozzle-shrinking shaft component at the position of the winding station to rotate and drive the nozzle-shrinking and the inserting piece to rotate to be parallel to the winding needle; the position of the mounting plate, which is matched with the winding station and the blanking station, is respectively provided with an inserting piece assembly for driving the inserting piece to move towards the winding spindle assembly and a poking piece assembly for pulling out the inserting piece from the wound square lithium battery.
Description
Technical Field
The invention relates to the technical field of battery equipment, in particular to a front device for preventing battery cells from deforming, a winding mechanism and a winding method.
Background
At present, an important component of a square lithium battery is a battery cell, and in the processing of the battery cell after winding and forming, the battery cell is often subjected to tabletting, so that the battery cell is often deformed, the deformation generated in the battery cell cannot be released in the processing process of the lithium battery, and the deformation accumulation causes the deformation of the lithium battery cell. The prior device for winding the battery cell has not provided a better solution to solve the above problems, thus resulting in low qualification rate of the battery cell and great cost increase. The prior battery cell winding equipment with fewer battery cells is provided with an anti-deformation device, but the equipment has the problems of complex structure, difficult installation and inconvenient maintenance of the anti-deformation device.
Therefore, the creator of the prior art proposes a device, a winding mechanism and a winding method for preventing the deformation of the cell, which solve the problem of the deformation of the cell of the square battery and improve the qualification rate of the cell of the square battery.
Disclosure of Invention
The invention solves the technical problem of providing a device for preventing cell deformation, a winding mechanism and a winding method, aiming at the problems in the prior art, wherein the device for preventing cell deformation can form an absorption space in a battery cell, and the absorption space absorbs the deformation amount of the internal deformation caused by the subsequent processing of the battery cell to prevent the poor winding of the cell.
According to the first aspect of the invention, the invention provides a technical scheme that the front device for preventing the battery cell from deforming comprises a rotary table arranged on a mounting plate, wherein the rotary table is in transmission connection with a winding spindle assembly through a rotary shaft, three nozzle-shrinking shaft assemblies arranged along the axial direction of the rotary table are penetrated on the rotary table, the three nozzle-shrinking shaft assemblies circularly rotate among a winding station, a blanking station and a transferring station along with the rotary table, and each nozzle-shrinking shaft assembly comprises a nozzle and an inserting sheet which penetrate through a central shaft and can move along the axial direction of the central shaft so as to movably butt joint with a winding needle of the winding spindle assembly; the mounting plate is also provided with a driving assembly matched with the winding station, and the driving assembly can drive the nozzle-shrinking shaft assembly at the winding station to rotate and drive the nozzle-shrinking and inserting piece to rotate to be parallel to the winding needle; the position of the mounting plate, which is matched with the winding station and the blanking station, is respectively provided with an inserting piece assembly for driving the inserting piece to move towards the winding spindle assembly and a pulling piece assembly for pulling out the inserting piece from the wound square lithium battery.
As a further explanation of the above technical solution:
In the technical scheme, the central shaft is assembled on the turntable through a bearing, an inserting piece mounting seat extending along the axial direction of the central shaft is fixedly arranged at the end, which is away from the butt joint of the shrinkage nozzle and the winding needle, of the central shaft, a sliding groove for the inserting piece to move along the axial direction of the central shaft is formed in the inserting piece mounting seat, the inserting piece is movably arranged in the sliding groove and is in transmission connection with an inserting piece assembly or a pulling piece assembly through the inserting piece connecting seat, and the inserting piece assembly or the pulling piece assembly can drive the inserting piece to move towards the winding main shaft assembly or pull the inserting piece from the wound square lithium battery; the bottom end of the inserting piece mounting seat is also fixedly provided with a shrinking nozzle driving cylinder, and the shrinking nozzle driving cylinder is in transmission connection with the shrinking nozzle through a floating joint, a connecting block and a connecting rod and can drive the shrinking nozzle to move in a telescopic way relative to the central shaft and movably butt-joint a rolling needle; the end of the central shaft, which is away from the joint of the shrinkage nozzle and the winding head, is also provided with a transmission gear which is coaxially arranged with the shrinkage nozzle, and the transmission gear can be driven by the driving component to drive the shrinkage nozzle component to rotate.
In the technical scheme, the driving assembly comprises a mounting seat fixedly connected with the mounting plate, a lifting cylinder is vertically arranged on the mounting seat, the mounting seat is also connected with a motor seat through a guide rod movably penetrating through the mounting seat, a limiting hoop is arranged at the top end of the guide rod, the lifting cylinder is connected with the motor seat through a first floating joint, a servo motor arranged along the axial direction of the turntable is arranged on the motor seat, and a driving gear is arranged on a driving shaft of the servo motor; the lifting cylinder drives the motor seat to drive the servo motor to vertically move and enable the driving gear to be meshed with the transmission gear, the servo motor is matched with the servo motor to drive the driving gear to rotate, and the matched transmission central shaft drives the nozzle-shrinking shaft assembly rotating to the winding station to rotate and drive the nozzle-shrinking and inserting piece to rotate to be parallel to the winding needle.
In the technical scheme, the inserting piece assembly and the pulling piece assembly both comprise mounting bases which are arranged vertically to the mounting plates and extend along the axial direction of the turntable, a ball screw is arranged on the mounting bases, a sliding seat is arranged on the ball screw, a needle pulling cylinder is fixedly arranged on the sliding seat and is perpendicular to the ball screw, the needle pulling cylinder is also in transmission connection with a pulling rod, and the needle pulling cylinder can drive the pulling rod to move towards a nozzle shrinking shaft assembly which rotates to a winding station or a blanking station and movably butt-joint with the inserting piece connecting seat; the ball screw is also in transmission connection with a driving motor arranged on one side of the mounting base far away from the mounting plate through a synchronous belt transmission pair; the needle pulling cylinder drives the pulling rod to extend towards the winding station or the shrinkage nozzle shaft assembly and the inserting sheet connecting seat at the blanking station, the driving motor is matched to drive the ball screw driving sliding seat to drive the needle pulling cylinder to move along the axial direction of the turntable, and the inserting sheet is matched to drive the inserting sheet to move towards the winding main shaft assembly or be pulled out from the wound square lithium battery.
According to a second aspect of the invention, the winding mechanism for preventing the battery cell from deforming comprises a winding main shaft assembly which is in butt joint with the front device for preventing the battery cell from deforming in the first aspect, wherein the winding main shaft assembly comprises a fixed disc arranged on a base, a rotating disc is assembled on the fixed disc through a bearing, the rotating disc is in transmission connection with the rotating disc through a rotating shaft, the rotating disc can be driven to rotate by a rotating driving assembly arranged on the base, three plug-in winding needle assemblies penetrating through the rotating disc are further arranged on the rotating disc, the three plug-in winding needle assemblies can be driven by the rotating disc to circularly rotate among a winding position, a discharging position and a transferring position, the three plug-in winding needle assemblies are all in transmission connection with three coaxially arranged transmission shafts through a synchronous belt transmission pair, and the three transmission shafts can be driven to rotate by the winding driving assembly in transmission connection with the three transmission shafts and drive the three plug-in winding needle assemblies to rotate relative to the rotating disc; the fixed disc is also provided with two pulling devices, and the pulling devices can drive the winding needle of the plug-in winding needle assembly to rotate to a winding position and a discharging position to be inserted into or withdrawn from between the shrinking nozzle and the inserting sheet of the shrinking nozzle shaft assembly at the winding station and the discharging station; the base is also provided with two winding needle pulling devices, and the two winding needle pulling devices are respectively used for driving a winding needle shaft of the plug-in winding needle assembly positioned at a winding position and a discharging position to move along the axial direction of the winding needle shaft so as to movably butt-joint with the winding needle of the plug-in winding needle assembly positioned at a matching position, and the matched winding needles are opened or clamped.
As a further explanation of the above technical solution:
In the technical scheme, the rotary driving assembly comprises a rotary motor arranged on the base through a supporting seat, a first driving gear is arranged on a driving shaft of the rotary motor, and the first driving gear is in meshed connection with a first transmission gear fixedly arranged on the rotating disc; the rotary motor drives the first transmission gear to drive the rotating disc to rotate through the first driving gear, and the rotary driving assembly is matched with the rotating disc to drive the rotating disc to rotate and drive the three pluggable winding needle assemblies to circularly rotate among the winding position, the discharging position and the transferring position and drive the three nozzle shaft assemblies to circularly rotate among the winding station, the discharging station and the transferring station along with the turntable.
In the technical scheme, the outer side of each winding needle shaft is provided with a butt joint shaft sleeve coaxial with the winding needle shaft, one axial end of each butt joint shaft sleeve is provided with a winding shaft sleeve, the winding needle shaft penetrates into the winding shaft sleeve and movably butts with a thimble embedded in the winding shaft sleeve, and the thimble is also butted with the matched winding needle; the outer side of the scroll sleeve is provided with a sliding block connected with the scroll sleeve through an angular contact bearing, the sliding block is fixedly provided with a pulling block which is in clamping connection with a pulling clamping jaw of the pulling device, and the pulling device can enable the needle winding shaft to drive the needle winding shaft sleeve, the thimble and the needle winding shaft to move along the axial direction of the needle winding shaft sleeve and enable the needle winding to be inserted into or withdrawn from between a shrinking nozzle and an inserting sheet of the shrinking nozzle shaft assembly at a winding station and a blanking station by pulling the pulling block to move along the axial direction of the needle winding shaft; the axial other end of the butt joint shaft sleeve is provided with a retainer ring, the winding needle shaft penetrates through the retainer ring and extends out, the winding needle shaft is connected with the retainer ring through a deep groove ball bearing, the end, extending out of the retainer ring, of the winding needle shaft is further provided with a retainer ring movably clamped with a needle pulling clamping seat of the winding needle pulling device, the winding needle pulling device drives the winding needle shaft to move along the butt joint shaft sleeve and enable the ejector pin to push in or withdraw from the winding needle, so that two winding needle sheets of the winding needle are opened or clamped.
In the above technical scheme, the winding needle pulling device further comprises a shaft pushing cylinder arranged on the supporting base, the shaft pushing cylinder is in transmission connection with a diameter pushing cylinder, the diameter pushing cylinder is connected with the needle pulling clamping seat, the diameter pushing cylinder is in transmission of the needle pulling clamping seat to move along a radial direction of the winding needle shaft and clamp the clamping ring, the shaft pushing cylinder is matched to drive the diameter pushing cylinder to move along an axial direction of the winding needle shaft, and the winding needle shaft drives the ejector pin to push in or withdraw from the winding needle to enable two winding needle sheets of the winding needle to be opened or clamped.
In the above technical scheme, the pulling device further comprises an installation bottom plate fixedly arranged on the fixed disk and extending along the axial direction of the rotating disk, two linear guide rails extending along the axial direction of the rotating disk are arranged on two sides of the width direction of the installation bottom plate, a sliding plate is arranged on the linear guide rails, a jacking cylinder is arranged on the sliding plate vertically to the sliding plate, the jacking cylinder is in transmission connection with the pulling clamping jaw, and the sliding plate is also in transmission connection with a pulling cylinder arranged on one side of the extending direction of the installation bottom plate; the jacking cylinder drives the pulling clamping jaw to move towards and be clamped with a pulling block of the plug-in type winding needle assembly positioned at a winding position or a discharging position, the jacking cylinder is driven by the sliding plate to slide along two linear sliding rails in cooperation with the pulling cylinder, and the winding needle of the plug-in type winding needle assembly which is matched with the pulling device to rotate to the winding position and the discharging position is inserted into or withdrawn from between a shrinking nozzle and an inserting sheet of the shrinking nozzle shaft assembly positioned at the winding position and the discharging position.
According to a third aspect of the present invention, the present invention further provides a technical solution as follows: the winding method of the square battery cell comprises a winding mechanism for preventing the cell from deforming, and further comprises the following steps:
The rotary driving assembly drives the rotary disc to rotate, when the mouth shrinking shaft assembly positioned at the transfer station rotates to the winding station, the driving assembly drives the mouth shrinking shaft assembly which rotates to the winding station to rotate and drives the mouth shrinking and the inserting sheet to rotate to be parallel to the winding needle of the winding main shaft assembly, and the inserting sheet assembly drives the mouth shrinking and the inserting sheet to stretch out towards the winding needle;
step ii), after the rotating disc drives the plug-in type winding needle assembly positioned at the transfer position to the winding position, the plug-in type winding needle assembly is driven by the pulling device to move along the axial direction of the rotating disc, and the winding needle is inserted between the shrinking nozzle and the inserting sheet which are positioned at the winding station and kept parallel to the winding needle, so that a front-mounted device for preventing the battery cell from deforming is formed in a matching manner;
Step iii, a winding needle pulling device in butt joint with the plug-in winding needle assembly at the winding position drives a winding needle shaft of the plug-in winding needle assembly to move along the axial direction of the winding needle shaft, butt joint the winding needle and open the winding needle;
step iv, transmitting the battery cell diaphragm to a device which consists of a winding needle, a shrinking nozzle and an inserting sheet and is used for preventing battery cells from deforming, and driving the winding driving assembly connected with the plug-in winding needle assembly positioned at the winding position to drive the plug-in winding needle assembly to rotate and wind the square lithium battery cells;
Step v, the rotary driving assembly drives the rotary disc and the rotary disc to synchronously rotate, and after the mouth shrinking shaft assembly positioned at the winding station is driven to the discharging station and the plug-in winding needle assembly positioned at the winding position and the wound square battery cell are driven to the discharging position in a matched manner,
Or firstly, pulling out the inserting sheet from the wound square lithium battery cell by the pulling-out piece assembly, driving the air cylinder to drive the shrinking nozzle to retract by the shrinking nozzle, then driving the rolling needle to clamp by the rolling needle pulling-out device to loosen relative to the square lithium battery cell, and driving the plug-in rolling needle assembly to withdraw from the square lithium battery cell by the pulling-out device, so that an absorption space for absorbing the internal deformation of the battery cell is formed in the wound square lithium battery cell in a matching way;
Or the pulling piece assembly pulls out the inserting piece from the wound square lithium battery cell, the shrinking nozzle drives the cylinder to drive the shrinking nozzle to retract, the winding needle pulling device drives the winding needle to clamp and release relative to the square lithium battery cell, and the pulling device drives the plug-in winding needle assembly to withdraw from the square lithium battery cell to synchronously perform, so that an absorption space for absorbing the internal deformation of the battery cell is formed in the wound square lithium battery cell.
The square lithium battery cell winding device has the beneficial effects that the square lithium battery cell winding device is provided with the front-mounted cell deformation preventing device, and an inserting sheet with a certain specification can be automatically inserted into a designated position of the cell in the winding process of the square lithium battery cell, and the inserting sheet can be automatically pulled away after the cell is wound, so that an absorption space is formed inside the square lithium battery cell, the absorption space can absorb the deformation amount of the internal deformation caused by the subsequent processing of the lithium battery cell, and the poor winding of the cell is prevented; meanwhile, the front device for preventing the battery cell from deforming is simple in structure, simple in installation and convenient to maintain.
Drawings
Fig. 1 is a perspective view of a cell deformation preventing device according to embodiment 1 of the present invention;
Fig. 2 is another perspective view of the cell deformation preventing device of embodiment 1 of the present invention;
FIG. 3 is a perspective view of a tab assembly or pulling tab assembly of embodiment 1 of the invention;
FIG. 4 is a front view of the drive assembly of embodiment 1 of the present invention;
FIG. 5 is an assembly view of the nozzle axle cylinder and the nozzle and insert of embodiment 1 of the present invention;
FIG. 6 is a perspective view of the winding mechanism of embodiment 2 of the present invention;
FIG. 7 is another perspective view of the winding mechanism of embodiment 2 of the present invention;
FIG. 8 is a front view of the assembly of the plug-in winding needle assembly and the winding needle extraction device according to embodiment 2 of the present invention;
Fig. 9 is a cross-sectional view of the plug-in winding needle assembly of embodiment 2 of the present invention.
Detailed Description
The invention is described in further detail below with reference to the accompanying drawings.
The embodiments described by referring to the drawings are exemplary and intended to be illustrative of the application and are not to be construed as limiting the application. In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, the meaning of "a number", "a plurality" or "a plurality" is two or more, unless specifically defined otherwise. In the present application, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances. In the present application, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is less level than the second feature.
Example 1
1-5 Illustrate a specific embodiment of a front-mounted device for preventing battery cell deformation according to the present invention, referring to FIGS. 1-5, a front-mounted device for preventing battery cell deformation 100 includes a rotary table 2 disposed on a mounting plate 1, the rotary table 2 is in transmission connection with a winding spindle assembly 200 through a rotary shaft 3, three shrinkage nozzle shaft assemblies 4 disposed along an axial direction of the rotary table 2 are penetrated on the rotary table 2, the three shrinkage nozzle shaft assemblies 4 can also rotate along with the rotary table 2 between a winding station 01, a blanking station 02 and a transferring station 03 in a circulating manner, and it is noted that the three shrinkage nozzle shaft assemblies 4 are used in a circulating manner alternately, that is, when the shrinkage nozzle shaft assemblies 4 are located at the winding station 01, the shrinkage nozzle shaft assemblies 4 cooperate with the winding spindle assembly 200 to complete battery cell winding, and when the shrinkage nozzle shaft assemblies 4 cooperate with the winding spindle assembly 200 to complete the blanking of the winding battery cell and then rotate to the transferring station 03, in this position, the shrinkage nozzle shaft assemblies 4 do not work; each of the tap shaft assemblies 4 includes a tap 42 and a tab 43 penetrating through the central shaft 41 and capable of moving along the axial direction of the central shaft 41 to be movably abutted against the winding pin 5 of the winding spindle assembly 200 (refer to fig. 6-9), in practice, the tap 42 and the tab 43 are spaced apart from each other by a certain gap in the radial direction of the central shaft 41, the gap is a space for inserting the winding pin 5, and the tab 43 is an absorption space for forming a size of a specification sheet on the wound square lithium battery and for absorbing deformation amount of internal deformation in the process of forming the wound square lithium battery cell, that is, the lithium battery cell can be released into the absorption space when being reversely deformed; the mounting plate 1 is also provided with a driving component 6 matched with the winding station 01, the driving component 6 can drive the nozzle-shrinking shaft component 4 at the winding station 01 to rotate and drive the nozzle-shrinking 42 and the inserting sheet 43 to rotate to be parallel to the winding needle 5, and the driving component 6 drives the nozzle-shrinking 42 and the inserting sheet 43 to rotate to be parallel to the winding needle 5, so that the winding needle 5 can be inserted between the nozzle-shrinking 42 and the inserting sheet 43; the mounting plate 1 is provided with an inserting sheet assembly 7 for driving the inserting sheet 43 to move towards the winding spindle assembly 200 and a pulling sheet assembly 8 for pulling the inserting sheet 43 out of the wound square lithium battery, wherein before the battery cell is wound, the inserting sheet assembly 7 drives the inserting sheet 43 of the three nozzle shaft assemblies 4 positioned at the winding station 01 to move towards the winding spindle assembly 200, so that when the winding needle 5 is inserted, the winding needle 5 is completely positioned under the inserting sheet 43, a formed absorption space is formed on the whole wound lithium battery cell, meanwhile, the nozzle 42 is driven to extend towards the winding spindle assembly 200 for a certain distance, and when the winding needle 5 is inserted, a clamping table which is in butt joint with the winding needle 5 is formed by the nozzle 42 and the inserting sheet 43, and the winding needle 5 is supported when the winding needle 5 is wound and formed; in this embodiment, the central shaft 41 is assembled on the turntable 2 through a bearing 44, the end of the central shaft 41 facing away from the compression nozzle 42 and abutting against the winding needle 5 is further fixedly provided with an insert mounting seat 45 extending along the axial direction of the central shaft, a sliding groove 451 for moving the insert 43 along the axial direction of the central shaft 41 is formed in the insert mounting seat 45, the insert 43 is movably arranged in the sliding groove 451 and is in transmission connection with the insert assembly 7 or the pull-out assembly 8 through an insert connecting seat 46, and the insert assembly 7 or the pull-out assembly 8 can transmit the insert 43 to move towards the winding spindle assembly 200 or pull the insert 43 out of the wound square lithium battery; the bottom end of the inserting piece mounting seat 45 is also fixedly provided with a shrinking nozzle driving cylinder 47, and the shrinking nozzle driving cylinder 47 is in transmission connection with the shrinking nozzle 42 through a floating joint 48, a connecting block 49 and a connecting rod 410 and can drive the shrinking nozzle 42 to move in a telescopic way relative to the central shaft 41 and movably butt-joint the winding needle 5; the end of the central shaft 41, which is away from the contact end of the shrinkage nozzle 42 and the winding needle 5, is also provided with a transmission gear 411 which is coaxially arranged with the central shaft, and the transmission gear 411 can be driven by the driving component 6 to drive the shrinkage nozzle component 4 to rotate; in this embodiment, the driving assembly 6 includes a mounting seat 61 fixedly connected with the mounting plate 1, a lifting cylinder 62 is vertically arranged on the mounting seat 61, the mounting seat 61 is further connected with a motor seat 64 through a guide rod 63 movably penetrating through the mounting seat 61, a limit hoop 68 is arranged at the top end of the guide rod 63, the guide rod 63 is penetrated through the mounting seat 61, the guide rod 63 cannot be separated from the mounting seat 61 when moving vertically through the limit of the limit hoop 68, and in practice, a buffer gasket is further arranged on the guide rod 63 between the limit hoop 68 and the mounting seat 61, and the guide rod 63 is buffered by the buffer gasket, so that the motor seat 64 moves vertically and stably; the lifting cylinder 62 is also connected with the motor base 64 through a first floating joint 65, a servo motor 66 arranged along the axial direction of the turntable 2 is arranged on the motor base 64, and a driving gear 67 is arranged on the driving shaft of the servo motor 66; the lifting cylinder 62 drives the motor seat 64 to drive the servo motor 66 and the driving gear 67 to vertically move, and enables the driving gear 67 to be meshed with the driving gear 411, the servo motor 66 is matched to drive the driving gear 67 to rotate, and the central shaft 41 is matched to drive the nozzle-shrinking shaft assembly 4 at the position of the winding station 01 to rotate (small angle adjustment) through the driving gear 411, and drives the nozzle-shrinking 42 and the inserting piece 43 to rotate to be parallel to the winding needle 5.
Referring to fig. 1-5, in this embodiment, the insert assembly 7 and the pull tab assembly 8 each include a mounting base 71 disposed perpendicular to the mounting plate 1 and extending along an axial direction of the turntable 2, a ball screw 72 is disposed on the mounting base 71, a sliding seat 73 is disposed on the ball screw 72, a needle pulling cylinder 74 is fixedly disposed on the sliding seat 73, the needle pulling cylinder 74 is disposed perpendicular to the ball screw 72, the needle pulling cylinder 74 is further in transmission connection with a pulling rod 75, and the needle pulling cylinder 74 can drive the pulling rod 75 to move toward the nozzle shaft assembly 4 rotating to the winding station 01 or the blanking station 02 and movably butt-joint with the insert connecting seat 46; the ball screw 72 is also in transmission connection with a driving motor 77 arranged on one side of the mounting base 71 away from the mounting plate 1 through a synchronous belt transmission pair 76; the needle pulling cylinder 74 drives the pulling rod 75 to extend towards the mouth shrinking shaft assembly 3 and the inserting sheet connecting seat 46 at the winding station 01 or the blanking station 02, the ball screw 72 is driven by the driving motor 77 to drive the sliding seat 73 to drive the needle pulling cylinder 74 to move along the axial direction of the turntable 2, and the inserting sheet 43 is driven to move towards the winding spindle assembly 200 in a matched mode or the inserting sheet 43 is pulled out of the wound square lithium battery.
Example 2
Referring to fig. 6-9, a winding mechanism for preventing cell deformation comprises a winding spindle assembly 200 which is abutted against a front cell deformation preventing device 100 in embodiment 1, the winding spindle assembly 200 comprises a fixed disc 10 arranged on a base 9, a rotating disc 11 is assembled on the fixed disc 10 through a bearing 44, the rotating disc 11 is in transmission connection with the rotating disc 2 through a rotating shaft 3, in practice, the relative positions of the rotating disc 11, the rotating shaft 3 and the rotating disc 2 are assembled and fixed in the initial assembly and are synchronously rotated in the rotation, the rotating disc 11 can be driven to rotate by a rotary driving assembly 12 arranged on the base 9, three plug-in winding needle assemblies 13 penetrating through the rotating disc 11 are further arranged on the rotating disc 11, and the three plug-in winding needle assemblies 13 can be driven by the rotating disc 11 to rotate at a winding position 04, It should be noted that, during initial assembly, the winding position 04, the discharging position 05 and the transferring position 06 are in one-to-one correspondence with the winding station 01, the discharging station 02 and the transferring station 03, that is, a plug-in winding needle assembly 13 corresponds to a nozzle shaft assembly 4, while during the cyclic rotation, the plug-in winding needle assembly 13 and the nozzle shaft assembly 4 which are oppositely arranged are always kept opposite, that is, are always on a straight line parallel to the axial direction of the rotating disc 11 or the rotating disc 2; the three plug-in winding needle assemblies 13 are all connected with three coaxially arranged transmission shafts 14 through a synchronous belt transmission pair 76 in a transmission way, the three transmission shafts 14 are sleeved from inside to outside, the three transmission shafts 14 can be driven to rotate by winding driving assemblies 15 connected with the three transmission shafts (each transmission shaft 14 is connected with an independent winding driving assembly 15) in a transmission way and drive the three plug-in winding needle assemblies 13 to rotate relative to the rotating disc 11, and when the requirement is stated, in practice, as the three plug-in winding needle assemblies 13 can circularly rotate among the winding position 04, the discharging position 05 and the transferring position 06, and only one winding driving assembly 15 works, that is, the winding driving assembly 15 of the plug-in winding needle assembly 13 rotating to the winding position 04 works, and each plug-in winding needle assembly 13 is connected with one winding driving assembly 15, so that the plug-in winding needle assembly 13 rotating to the winding position can always independently rotate to work and wind; the fixed disc 10 is also provided with two pulling devices 16, the pulling devices 16 can drive the winding needle 5 of the plug-in winding needle assembly 13 which rotates to the winding position 04 and the discharging position 05 to be inserted into or withdrawn from between the shrinkage nozzle 42 and the insertion sheet 43 of the shrinkage nozzle shaft assembly 4 which are positioned at the winding station 01 and the discharging station 02; the base 9 is further provided with two winding needle pulling devices 17, the two winding needle pulling devices 17 are respectively used for driving the winding needle shaft 131 of the plug-in winding needle assembly 13 at the winding position 04 and the discharging position 05 to move along the axial direction of the winding needle shaft so as to movably butt against the winding needle 5 of the plug-in winding needle assembly 13 at the matching position, and the matched winding needle 5 is opened or clamped, namely the winding needle 5 is opened or clamped, the winding needle shaft 131 can contact the winding needle 5 so that two winding sub-sheets of the winding needle 5 can be opened or closed relatively and clamped, the two winding sub-sheets of the winding needle 5 can be opened relatively so as to match a battery cell with a winding set width, and the two winding sub-sheets of the winding needle 5 are closed and clamped so as to release the winding needle 5 from the battery cell relatively.
Referring to fig. 6-9, in this embodiment, the rotary driving assembly 12 includes a rotary motor 122 mounted on the base 9 through a supporting seat 121, a first driving gear 123 is disposed on a driving shaft of the rotary motor 122, and the first driving gear 123 is meshed with a first transmission gear 124 fixedly disposed on the rotating disc 11; the rotating motor 122 drives the first transmission gear 124 to drive the rotating disc 11 to rotate through the first driving gear 123, and the rotating driving assembly 12 is matched with the rotating driving assembly 12 to drive the rotating disc 11 to rotate and drive the three pluggable winding needle assemblies 13 to circularly rotate among the winding position 04, the discharging position 05 and the transferring position 06 and drive the three nozzle shaft assemblies 4 to circularly rotate among the winding station 01, the discharging station 02 and the transferring station 03 along with the turntable 2; in this embodiment, an abutting shaft sleeve 132 coaxial with each needle winding shaft 131 is disposed at the outer side of each needle winding shaft 131, a needle winding shaft sleeve 133 is disposed at one axial end of the abutting shaft sleeve 132, the needle winding shaft 131 penetrates into the needle winding shaft sleeve 133 and movably abuts against an ejector pin 134 embedded in the needle winding shaft sleeve 133, and the ejector pin 134 is also abutted against the matched needle winding 5; the outside of the reel sleeve 133 is provided with a sliding block 136 connected with the reel sleeve 133 through an angular contact bearing 135, and because the angular contact bearing 135 is arranged between the reel sleeve 133 and the sliding block 136, when the reel sleeve 133, the butt joint sleeve 132, the reel needle shaft 131 and the thimble 134 are driven to rotate by the winding driving assembly 15, the sliding block 136 does not follow the rotation, so that the drawing device 16 can drive the whole plug-in reel needle assembly 13 to move integrally, and when the sliding block 136 moves along the axial direction of the reel needle shaft 131, the sliding block 136 can drive the whole plug-in reel needle assembly 13 to move integrally along the axial direction of the reel needle shaft 131; the sliding block 136 is fixedly provided with a pulling block 137 which is clamped with a pulling clamping jaw 161 of the pulling device 16, and the pulling device 16 can enable the winding needle shaft 131 to drive the winding shaft sleeve 133, the thimble 134 and the winding needle 5 to move along the axial direction thereof and enable the winding needle 5 to be inserted into or withdrawn from between the shrinkage nozzle 42 and the insertion sheet 43 of the shrinkage nozzle shaft assembly 4 positioned at the winding station 01 and the blanking station 02 by pulling the pulling block 137 to move along the axial direction of the winding needle shaft 131; the other axial end of the butt-joint shaft sleeve 132 is provided with a retainer ring 138, the winding needle shaft 131 penetrates through the retainer ring 138 and extends out, the winding needle shaft 131 is connected with the retainer ring 138 through a deep groove ball bearing 139, and as the deep groove ball bearing 139 is arranged between the winding needle 131 and the retainer ring 138, when the winding needle withdrawing device 17 withdraws the winding needle shaft 131 to move along the axial direction, the whole plug-in winding needle assembly 13 is forbidden, so that the winding needle 5 is matched to be opened or clamped; the end of the winding needle shaft 131 extending out of the retainer ring 138 is further provided with a retainer ring 1311 movably clamped with a needle pulling-out clamping seat 171 of the winding needle pulling-out device 17, and the winding needle pulling-out device 17 drives the winding needle shaft 131 to move along the butt joint shaft sleeve 132 and enables the thimble 134 to push in or withdraw from the winding needle 5 so as to open or clamp two winding needle sheets of the winding needle 5; in this embodiment, the winding needle pulling device 17 further includes a shaft pushing cylinder 173 mounted on the support base 172, the shaft pushing cylinder 173 is in transmission connection with a diameter pushing cylinder 174, the diameter pushing cylinder 174 is connected with the needle pulling clamping seat 171, the diameter pushing cylinder 174 is in transmission with the needle pulling clamping seat 171 to move along a radial direction of the winding needle shaft 131 and clamp into the clamping ring 1311, the shaft pushing cylinder 172 is matched with the shaft pushing cylinder 173 to move along an axial direction of the winding needle shaft 131, so that the winding needle shaft 131 drives the ejector pin 134 to eject or withdraw from the winding needle 5 to open or clamp two winding needle sheets of the winding needle 5; in this embodiment, the pulling device 16 further includes an installation base plate 162 fixedly disposed on the fixed disk 10 and extending along the axial direction of the rotating disk 11, two linear guide rails 163 extending along the axial direction of the rotating disk 11 are disposed on two sides of the width direction of the installation base plate 162, a sliding plate 164 is disposed on the linear guide rails 163, a pushing cylinder 165 is disposed on the sliding plate 164 and perpendicular to the sliding plate 164, the pushing cylinder 165 is in transmission connection with the pulling clamping jaw 161, and the sliding plate 164 is also in transmission connection with a pulling cylinder 166 disposed on one side of the extending direction of the installation base plate 162; the pushing cylinder 165 drives the pulling jaw 161 to move towards and be clamped with the pulling block 137 of the plug-in type winding needle assembly 13 located at the winding position 04 or the blanking position 05, the pushing cylinder 165 is driven by the sliding plate 164 to slide along the two linear sliding rails 163 in cooperation with the pulling cylinder 166, and the winding needle 5 of the plug-in type winding needle assembly 13 which is matched with the pulling device 16 to rotate to the winding position 04 and the blanking position 05 is inserted or withdrawn between the shrinking nozzle 42 and the inserting sheet 43 of the shrinking nozzle shaft assembly 4 located at the winding station 01 and the blanking station 02.
Example 3
The present embodiment is a method for winding a square lithium battery by using the winding mechanism in embodiment 2, specifically, a winding method for a square battery cell, including the winding mechanism for preventing cell deformation in embodiment 2, and the winding mechanism completes winding by the following method steps:
S01, a rotary driving assembly 12 drives a rotary disc 11 to drive a rotary table 2 to rotate, when a nozzle-shrinking shaft assembly 4 positioned at a transfer station 03 rotates to a winding station 01, a driving assembly 6 drives the nozzle-shrinking shaft assembly 4 rotating to the winding station 01 to rotate and drives a nozzle 42 and an inserting sheet 43 of the nozzle-shrinking shaft assembly to rotate to be parallel to a winding needle 5 of a winding spindle assembly 200, and an inserting sheet assembly 7 drives the nozzle-shrinking shaft assembly 42 and the inserting sheet 43 to extend towards the winding needle 5;
Step S02, after the rotating disc 11 drives the plug-in type winding needle assembly 13 positioned at the transit position 06 to a winding position 01, the plug-in type winding needle assembly 13 is driven by the pulling device 16 to move along the axial direction of the rotating disc 11, and the winding needle 5 is inserted between the shrinking nozzle 42 and the inserting sheet 43 which are positioned at the winding station 02 and are kept parallel to the winding needle 5, so that the front-arranged device 100 for preventing the battery cell from deforming is formed in a matching way;
s03, a winding needle pulling device 17 in butt joint with a plug-in winding needle assembly 13 positioned at a winding position 04 drives a winding needle shaft 131 of the plug-in winding needle assembly 13 to move along the axial direction of the winding needle shaft, butt joint the winding needle 05 and open the winding needle 05;
S03, conveying the battery cell diaphragm to a device 100 for preventing battery cell deformation, which consists of a winding needle 5, a shrinking nozzle 42 and an inserting sheet 43, wherein a winding driving assembly 15 connected with a plug-in winding needle assembly 13 positioned at a winding position 04 drives the plug-in winding needle assembly 13 to rotate and wind a square lithium battery cell;
Step S04, the rotary driving component 12 drives the rotary disk 11 and the rotary disk 2 to synchronously rotate, and after the nozzle shaft component 4 positioned at the winding station 01 is driven to the blanking station 02 and the plug-in winding needle component 13 positioned at the winding position 04 and the wound square battery cell are driven to the blanking position 05 in a matched manner,
Or firstly, the inserting sheet 43 is pulled out from the wound square lithium battery cell by the pulling sheet component 8, the shrinking nozzle 42 is driven by the shrinking nozzle driving cylinder 47 to retract, then the winding needle 5 is driven by the winding needle pulling device 17 to clamp and loosen the square lithium battery cell, and the inserting type winding needle component 13 is driven by the pulling device 16 to withdraw from the square lithium battery cell, so that an absorption space for absorbing the internal deformation of the battery cell is formed in the wound square lithium battery cell in a matching way;
or the inserting sheet 43 is pulled out from the wound square lithium battery cell by the pulling sheet component 8, the shrinking nozzle driving cylinder 47 drives the shrinking nozzle 42 to retract, the winding needle pulling device 17 drives the winding needle 5 to clamp and is loosened relative to the square lithium battery cell, and the pulling device 16 drives the plug-in winding needle component 13 to withdraw from the square lithium battery cell to synchronously perform, so that an absorption space for absorbing the internal deformation of the battery cell is formed in the wound square lithium battery cell.
The above description should not be taken as limiting the scope of the invention, and any modifications, equivalent changes and modifications made to the above embodiments according to the technical principles of the present invention still fall within the scope of the technical solutions of the present invention.
Claims (7)
1. The front device for preventing the battery cell from deforming is characterized by comprising a rotary table arranged on a mounting plate, wherein the rotary table is in transmission connection with a winding spindle assembly through a rotary shaft, three nozzle-shrinking shaft assemblies arranged along the axial direction of the rotary table are arranged on the rotary table in a penetrating manner, the three nozzle-shrinking shaft assemblies rotate in a circulating manner among a winding station, a blanking station and a transfer station along with the rotary table, and each nozzle-shrinking shaft assembly comprises a nozzle and an inserting sheet which penetrate through a central shaft and can move along the axial direction of the central shaft to movably butt against a winding needle of the winding spindle assembly; the mounting plate is also provided with a driving assembly matched with the winding station, and the driving assembly can drive the nozzle-shrinking shaft assembly at the winding station to rotate and drive the nozzle-shrinking and inserting piece to rotate to be parallel to the winding needle; the position of the mounting plate, which is matched with the winding station and the blanking station, is respectively provided with an inserting piece assembly for driving the inserting piece to move towards the winding spindle assembly and a pulling piece assembly for pulling the inserting piece out of the wound square lithium battery;
The central shaft is assembled on the turntable through a bearing, an inserting piece mounting seat extending along the axial direction of the central shaft is fixedly arranged at the end, which is away from the butt joint of the shrinking nozzle and the winding needle, of the central shaft, a sliding groove for the inserting piece to move along the axial direction of the central shaft is formed in the inserting piece mounting seat, the inserting piece is movably arranged in the sliding groove and is in transmission connection with an inserting piece assembly or a pulling piece assembly through an inserting piece connecting seat, and the inserting piece assembly or the pulling piece assembly can transmit the inserting piece to move towards the winding main shaft assembly or pull out the inserting piece from the wound square lithium battery; the bottom end of the inserting piece mounting seat is also fixedly provided with a shrinking nozzle driving cylinder, and the shrinking nozzle driving cylinder is in transmission connection with the shrinking nozzle through a floating joint, a connecting block and a connecting rod and can drive the shrinking nozzle to move in a telescopic way relative to the central shaft and movably butt-joint a rolling needle; the end of the central shaft, which is away from the joint of the shrinkage nozzle and the winding head, is also provided with a transmission gear which is coaxially arranged with the shrinkage nozzle, and the transmission gear can be driven by the driving component to drive the shrinkage nozzle component to rotate;
The driving assembly comprises a mounting seat fixedly connected with a mounting plate, a lifting cylinder is vertically arranged on the mounting seat, the mounting seat is also connected with a motor seat through a guide rod movably penetrating through the mounting seat, a limiting hoop is arranged at the top end of the guide rod, the lifting cylinder is connected with the motor seat through a first floating joint, a servo motor arranged along the axial direction of the turntable is arranged on the motor seat, and a driving gear is arranged on a driving shaft of the servo motor; the lifting cylinder drives the motor seat to drive the servo motor to vertically move and enable the driving gear to be meshed with the transmission gear, the driving gear is driven to rotate by matching with the servo motor, and the matched transmission central shaft drives the nozzle-shrinking shaft assembly rotating to the winding station to rotate and drive the nozzle-shrinking and inserting piece to rotate to be parallel to the winding needle;
The inserting piece assembly and the pulling piece assembly both comprise mounting bases which are perpendicular to the mounting plates and extend along the axial direction of the turntable, a ball screw is arranged on the mounting bases, a sliding seat is arranged on the ball screw, a needle pulling cylinder is fixedly arranged on the sliding seat and perpendicular to the ball screw, the needle pulling cylinder is also in transmission connection with a pulling rod, and the pulling rod can be driven to move towards a mouth shrinking shaft assembly which rotates to a winding station or a blanking station and movably butt-joint with the inserting piece connecting seat; the ball screw is also in transmission connection with a driving motor arranged on one side of the mounting base far away from the mounting plate through a synchronous belt transmission pair; the needle pulling cylinder drives the pulling rod to extend towards the winding station or the shrinkage nozzle shaft assembly and the inserting sheet connecting seat at the blanking station, the driving motor is matched to drive the ball screw driving sliding seat to drive the needle pulling cylinder to move along the axial direction of the turntable, and the inserting sheet is matched to drive the inserting sheet to move towards the winding main shaft assembly or be pulled out from the wound square lithium battery.
2. The winding mechanism for preventing the battery cell from deforming is characterized by comprising a winding spindle assembly which is in butt joint with the front battery cell deformation preventing device according to claim 1, wherein the winding spindle assembly comprises a fixed disc arranged on a base, a rotating disc is assembled on the fixed disc through a bearing, the rotating disc is in transmission connection with the rotating disc through a rotating shaft, the rotating disc can be driven to rotate by a rotating driving assembly arranged on the base, three plug-in winding needle assemblies penetrating through the rotating disc are further arranged on the rotating disc, the three plug-in winding needle assemblies can be driven by the rotating disc to circularly rotate among a winding position, a blanking position and a transferring position, the three plug-in winding needle assemblies are all in transmission connection with three coaxially arranged transmission shafts through a synchronous belt transmission pair, and the three transmission shafts can be driven to rotate by a winding driving assembly in transmission connection with the fixed disc and drive the three plug-in winding needle assemblies to rotate relative to the rotating disc; the fixed disc is also provided with two pulling devices, and the pulling devices can drive the winding needle of the plug-in winding needle assembly to rotate to a winding position and a discharging position to be inserted into or withdrawn from between the shrinking nozzle and the inserting sheet of the shrinking nozzle shaft assembly at the winding station and the discharging station; the base is also provided with two winding needle pulling devices, and the two winding needle pulling devices are respectively used for driving a winding needle shaft of the plug-in winding needle assembly positioned at a winding position and a discharging position to move along the axial direction of the winding needle shaft so as to movably butt-joint with the winding needle of the plug-in winding needle assembly positioned at a matching position, and the matched winding needles are opened or clamped.
3. The winding mechanism capable of preventing cell deformation according to claim 2, wherein the rotary driving assembly comprises a rotary motor arranged on the base through a supporting seat, a first driving gear is arranged on a driving shaft of the rotary motor, and the first driving gear is in meshed connection with a first transmission gear fixedly arranged on the rotating disc; the rotary motor drives the first transmission gear to drive the rotating disc to rotate through the first driving gear, and the rotary driving assembly is matched with the rotating disc to drive the rotating disc to rotate and drive the three pluggable winding needle assemblies to circularly rotate among the winding position, the discharging position and the transferring position and drive the three nozzle shaft assemblies to circularly rotate among the winding station, the discharging station and the transferring station along with the turntable.
4. A winding mechanism for preventing battery cell deformation according to claim 3, wherein an abutting shaft sleeve coaxial with each winding needle shaft is arranged at the outer side of each winding needle shaft, a winding shaft sleeve is arranged at one axial end of each abutting shaft sleeve, each winding needle shaft penetrates into each winding shaft sleeve and movably abuts against a thimble embedded in each winding shaft sleeve, and the thimble is also abutted against the matched winding needle; the outer side of the scroll sleeve is provided with a sliding block connected with the scroll sleeve through an angular contact bearing, the sliding block is fixedly provided with a pulling block which is in clamping connection with a pulling clamping jaw of the pulling device, and the pulling device can enable the needle winding shaft to drive the needle winding shaft sleeve, the thimble and the needle winding shaft to move along the axial direction of the needle winding shaft sleeve and enable the needle winding to be inserted into or withdrawn from between a shrinking nozzle and an inserting sheet of the shrinking nozzle shaft assembly at a winding station and a blanking station by pulling the pulling block to move along the axial direction of the needle winding shaft; the axial other end of the butt joint shaft sleeve is provided with a retainer ring, the winding needle shaft penetrates through the retainer ring and extends out, the winding needle shaft is connected with the retainer ring through a deep groove ball bearing, the end, extending out of the retainer ring, of the winding needle shaft is further provided with a retainer ring movably clamped with a needle pulling clamping seat of the winding needle pulling device, the winding needle pulling device drives the winding needle shaft to move along the butt joint shaft sleeve and enable the ejector pin to push in or withdraw from the winding needle, so that two winding needle sheets of the winding needle are opened or clamped.
5. The winding mechanism for preventing electrical core deformation according to claim 4, wherein the winding needle pulling device further comprises a shaft pushing cylinder arranged on the supporting base, the shaft pushing cylinder is in transmission connection with a diameter pushing cylinder, the diameter pushing cylinder is connected with the needle pulling clamping seat, the diameter pushing cylinder is used for transmitting the needle pulling clamping seat to move along a radial direction of the winding needle shaft and clamped into the clamping ring, the shaft pushing cylinder is matched with the shaft pushing cylinder to transmit the diameter pushing cylinder to move along an axial direction of the winding needle shaft, and the winding needle shaft drives the ejector pin to push in or withdraw from the winding needle so as to open or clamp two winding needle sheets of the winding needle.
6. The winding mechanism for preventing battery cell deformation according to claim 5, wherein the pulling device further comprises an installation bottom plate fixedly arranged on the fixed disc and extending along the axial direction of the rotating disc, two linear guide rails extending along the axial direction of the rotating disc are arranged on two sides of the width direction of the installation bottom plate, a sliding plate is arranged on the linear guide rails, a jacking cylinder is arranged on the sliding plate vertically and in transmission connection with the pulling clamping jaw, and the sliding plate is further in transmission connection with a pulling cylinder arranged on one side of the extending direction of the installation bottom plate; the jacking cylinder drives the pulling clamping jaw to move towards and be clamped with a pulling block of the plug-in type winding needle assembly positioned at a winding position or a discharging position, the jacking cylinder is driven by the sliding plate to slide along two linear sliding rails in cooperation with the pulling cylinder, and the winding needle of the plug-in type winding needle assembly which is matched with the pulling device to rotate to the winding position and the discharging position is inserted into or withdrawn from between a shrinking nozzle and an inserting sheet of the shrinking nozzle shaft assembly positioned at the winding position and the discharging position.
7. A method for winding a square battery cell, comprising the device for preventing cell deformation according to claim 6, further comprising the steps of:
The rotary driving assembly drives the rotary disc to rotate, when the mouth shrinking shaft assembly positioned at the transfer station rotates to the winding station, the driving assembly drives the mouth shrinking shaft assembly which rotates to the winding station to rotate and drives the mouth shrinking and the inserting sheet to rotate to be parallel to the winding needle of the winding main shaft assembly, and the inserting sheet assembly drives the mouth shrinking and the inserting sheet to stretch out towards the winding needle;
step ii), after the rotating disc drives the plug-in type winding needle assembly positioned at the transfer position to the winding position, the plug-in type winding needle assembly is driven by the pulling device to move along the axial direction of the rotating disc, and the winding needle is inserted between the shrinking nozzle and the inserting sheet which are positioned at the winding station and kept parallel to the winding needle, so that a front-mounted device for preventing the battery cell from deforming is formed in a matching manner;
Step iii, a winding needle pulling device in butt joint with the plug-in winding needle assembly at the winding position drives a winding needle shaft of the plug-in winding needle assembly to move along the axial direction of the winding needle shaft, butt joint the winding needle and open the winding needle;
step iv, transmitting the battery cell diaphragm to a device which consists of a winding needle, a shrinking nozzle and an inserting sheet and is used for preventing battery cells from deforming, and driving the winding driving assembly connected with the plug-in winding needle assembly positioned at the winding position to drive the plug-in winding needle assembly to rotate and wind the square lithium battery cells;
Step v, the rotary driving assembly drives the rotary disc and the rotary disc to synchronously rotate, and after the mouth shrinking shaft assembly positioned at the winding station is driven to the discharging station and the plug-in winding needle assembly positioned at the winding position and the wound square battery cell are driven to the discharging position in a matched manner,
Or firstly, pulling out the inserting sheet from the wound square lithium battery cell by the pulling-out piece assembly, driving the air cylinder to drive the shrinking nozzle to retract by the shrinking nozzle, then driving the rolling needle to clamp by the rolling needle pulling-out device to loosen relative to the square lithium battery cell, and driving the plug-in rolling needle assembly to withdraw from the square lithium battery cell by the pulling-out device, so that an absorption space for absorbing the internal deformation of the battery cell is formed in the wound square lithium battery cell in a matching way;
Or the pulling piece assembly pulls out the inserting piece from the wound square lithium battery cell, the shrinking nozzle drives the cylinder to drive the shrinking nozzle to retract, the winding needle pulling device drives the winding needle to clamp and release relative to the square lithium battery cell, and the pulling device drives the plug-in winding needle assembly to withdraw from the square lithium battery cell to synchronously perform, so that an absorption space for absorbing the internal deformation of the battery cell is formed in the wound square lithium battery cell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910841363.0A CN110459815B (en) | 2019-09-06 | 2019-09-06 | Front-mounted device for preventing battery cell from deforming, winding mechanism and winding method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910841363.0A CN110459815B (en) | 2019-09-06 | 2019-09-06 | Front-mounted device for preventing battery cell from deforming, winding mechanism and winding method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110459815A CN110459815A (en) | 2019-11-15 |
| CN110459815B true CN110459815B (en) | 2024-06-07 |
Family
ID=68491026
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910841363.0A Active CN110459815B (en) | 2019-09-06 | 2019-09-06 | Front-mounted device for preventing battery cell from deforming, winding mechanism and winding method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110459815B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116654683B (en) * | 2023-07-25 | 2023-11-17 | 江苏时代新能源科技有限公司 | Tongs and conveyor |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004103485A (en) * | 2002-09-12 | 2004-04-02 | Sony Corp | Winding core and winding device |
| CN106910944A (en) * | 2017-04-12 | 2017-06-30 | 东莞市和明机械有限公司 | A kind of device of the anti-battery core deformation of automatic inserted sheet |
| CN108232326A (en) * | 2018-02-06 | 2018-06-29 | 深圳市诚捷智能装备股份有限公司 | A kind of winding device of battery electric core |
| CN108899569A (en) * | 2018-06-11 | 2018-11-27 | 深圳市诚捷智能装备股份有限公司 | A kind of inserting piece device and cell winding device of anti-battery core deformation |
| CN210200898U (en) * | 2019-09-06 | 2020-03-27 | 东莞市安洋智能科技有限公司 | Device for preventing deformation of preposed electric core and winding mechanism |
| CN111816932A (en) * | 2020-07-16 | 2020-10-23 | 东莞市凯隆自动化科技有限公司 | Inserting piece and winding device |
-
2019
- 2019-09-06 CN CN201910841363.0A patent/CN110459815B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004103485A (en) * | 2002-09-12 | 2004-04-02 | Sony Corp | Winding core and winding device |
| CN106910944A (en) * | 2017-04-12 | 2017-06-30 | 东莞市和明机械有限公司 | A kind of device of the anti-battery core deformation of automatic inserted sheet |
| CN108232326A (en) * | 2018-02-06 | 2018-06-29 | 深圳市诚捷智能装备股份有限公司 | A kind of winding device of battery electric core |
| CN108899569A (en) * | 2018-06-11 | 2018-11-27 | 深圳市诚捷智能装备股份有限公司 | A kind of inserting piece device and cell winding device of anti-battery core deformation |
| CN210200898U (en) * | 2019-09-06 | 2020-03-27 | 东莞市安洋智能科技有限公司 | Device for preventing deformation of preposed electric core and winding mechanism |
| CN111816932A (en) * | 2020-07-16 | 2020-10-23 | 东莞市凯隆自动化科技有限公司 | Inserting piece and winding device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110459815A (en) | 2019-11-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210200898U (en) | Device for preventing deformation of preposed electric core and winding mechanism | |
| CN110459815B (en) | Front-mounted device for preventing battery cell from deforming, winding mechanism and winding method | |
| CN106532137B (en) | Winding device and manufacturing method thereof | |
| CN110911729A (en) | Battery cell winding device | |
| CN101667656A (en) | Apparatus for winding battery roll of secondary battery | |
| CN115625512A (en) | Rotary grabbing and pressing mechanism | |
| CN110957498A (en) | Battery cell winding device | |
| CN107863560B (en) | Shell-entering device and shell-entering method | |
| CN108860777A (en) | Tubular film supplies machine, cylindrical electrical core covering machine and its processing method | |
| CN210052806U (en) | Winding device for winding anti-deformation battery cell | |
| CN109802185A (en) | A kind of winding device with straight drive volume needle assemblies | |
| CN111477974B (en) | Misplacement winding needle structure of sheet-making winding machine and electric core winding method thereof | |
| CN208915556U (en) | Tubular film supplies machine and cylindrical electrical core covering machine | |
| CN212062602U (en) | Tab pushing device | |
| CN211980797U (en) | Winding needle front supporting mechanism of square lithium battery sheet-making winding machine | |
| CN108941342B (en) | Internal rotation extrusion forming machine | |
| CN111403823B (en) | Multi-station winding device | |
| CN108574111A (en) | The quick covering machine of cylindrical electrical core and its processing method | |
| CN219484824U (en) | Aluminum rod disc holder mounting hole self-adaptive alignment mechanism | |
| CN220873662U (en) | Winding mechanism of lithium battery winding machine | |
| CN217261671U (en) | Anti-falling mechanism in pole roll transportation process | |
| CN220201040U (en) | Winding type elastic wire storage mechanism | |
| CN211288504U (en) | Separated type large-offset coupling | |
| CN210778866U (en) | Automatic leading-in pole piece winder | |
| CN214031231U (en) | Black iron wire packagine machine constructs |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 523000 No. 59, Dong Xin'an Road, Humen Town, Dongguan City, Guangdong Province Applicant after: DONGGUAN ANYANG INTELLIGENT TECHNOLOGY Co.,Ltd. Address before: 523000 201, first floor and second floor, No. 248, Dongda Road, Shatou community, Chang'an Town, Dongguan City, Guangdong Province Applicant before: DONGGUAN ANYANG INTELLIGENT TECHNOLOGY Co.,Ltd. |
|
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Country or region after: China Address after: Room 01, 7th Floor, Building A, Building 3, Tuoye Zero Carbon Intelligent Manufacturing Industrial Park, No. 13 Zhanhe Road, Shangliao Village, Beijiao Town, Shunde District, Foshan City, Guangdong Province, 528000 (Residence application) Applicant after: Guangdong Anyang Bochuang Intelligent Technology Co.,Ltd. Address before: 523000 No. 59, Dong Xin'an Road, Humen Town, Dongguan City, Guangdong Province Applicant before: DONGGUAN ANYANG INTELLIGENT TECHNOLOGY Co.,Ltd. Country or region before: China |
|
| CB02 | Change of applicant information | ||
| GR01 | Patent grant |