CN111571053A - Be applied to lithium cell group welded subassembly that stabilizes - Google Patents
Be applied to lithium cell group welded subassembly that stabilizes Download PDFInfo
- Publication number
- CN111571053A CN111571053A CN202010375343.1A CN202010375343A CN111571053A CN 111571053 A CN111571053 A CN 111571053A CN 202010375343 A CN202010375343 A CN 202010375343A CN 111571053 A CN111571053 A CN 111571053A
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- Prior art keywords
- spot welding
- feeding
- guide
- rod
- lifting
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- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 111
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 108
- 238000003466 welding Methods 0.000 claims abstract description 97
- 238000000034 method Methods 0.000 claims abstract description 18
- 230000000087 stabilizing effect Effects 0.000 claims abstract description 9
- 230000008094 contradictory effect Effects 0.000 claims description 4
- 239000002131 composite material Substances 0.000 claims description 2
- 230000000630 rising effect Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 7
- 238000003825 pressing Methods 0.000 description 7
- 230000000712 assembly Effects 0.000 description 6
- 238000000429 assembly Methods 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 6
- 238000009434 installation Methods 0.000 description 4
- 230000002441 reversible effect Effects 0.000 description 3
- 238000005034 decoration Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 229910000733 Li alloy Inorganic materials 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000001989 lithium alloy Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000007773 negative electrode material Substances 0.000 description 1
- 239000011255 nonaqueous electrolyte Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
- B23K31/02—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to soldering or welding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/02—Carriages for supporting the welding or cutting element
- B23K37/0252—Steering means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/528—Fixed electrical connections, i.e. not intended for disconnection
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The invention provides a stabilizing assembly applied to welding of lithium battery packs, which comprises a console (100) horizontally arranged on the ground and a lithium battery spot welding device (300) arranged on the upper end surface of the console (100), wherein the lithium battery spot welding device (300) comprises a feeding mechanism (310) and a spot welding mechanism (320), the feeding mechanism (310) is used for providing lifting power and feeding power for the spot welding mechanism (320) in the spot welding process of lithium batteries, and the spot welding mechanism (320) is used for performing spot welding on a plurality of lithium batteries and combining a plurality of groups of lithium battery packs into the lithium battery pack; it can be fixed to spot welding a plurality of lithium cells automatically, and in the spot welding process, the staff only need with a plurality of lithium cells neatly put things in good order and with the spot welding lithium cell group that finishes take out can, the centre gripping of lithium cell, transport, spot welding process full automatization, not only greatly reduced staff's intensity of labour, still improved staff's work efficiency to alone the operation can, practiced thrift the human cost.
Description
Technical Field
The invention relates to the field of spot welding of batteries, in particular to a spot welding assembly of a lithium battery pack.
Background
The lithium battery is a battery which uses lithium metal or lithium alloy as a negative electrode material and uses a non-aqueous electrolyte solution, because the chemical characteristics of the lithium metal are very active, the processing, storage and use of the lithium metal and the requirement on the environment are very high, the lithium battery is not applied for a long time, along with the development of scientific technology, the lithium battery becomes the mainstream now, a plurality of daily electric appliances can see the figure of the lithium battery, the power required by the electric appliances in normal operation is different, the lithium batteries are connected in series or in parallel to form a lithium battery pack so as to obtain the corresponding electric quantity or output voltage, when the lithium battery pack is manufactured, a plurality of single lithium batteries are required to be connected in series or in parallel, generally, when in production, an aluminum strip is welded on the anodes of the plurality of single lithium batteries, and the angle of the lithium batteries is required to be continuously adjusted by a worker, the positive electrode of the lithium battery is aligned to the electric welding machine to be welded, however, when the lithium battery is manually aligned, the lithium battery can be influenced by the working state of an operator, the phenomenon of scrapping is caused due to the fact that the lithium battery is not welded frequently, and when the lithium battery is manually aligned, the hand of the operator is easy to contact with the welding gun, and certain potential safety hazards exist.
Disclosure of Invention
In order to solve the defects of the prior art, the invention aims to provide a lithium battery pack spot welding assembly which can automatically perform spot welding fixing on a plurality of lithium battery packs, in the spot welding process, a worker only needs to orderly stack a plurality of lithium batteries into a clamping area of a clamping mechanism and take out the lithium battery packs subjected to spot welding, the clamping, conveying and spot welding processes of the lithium batteries are fully automatic, the labor intensity of the worker is greatly reduced, the working efficiency of the worker is improved, and the labor cost is saved as long as the worker operates the spot welding assembly.
In order to achieve the technical purpose, the technical scheme adopted by the invention is as follows.
The stabilizing assembly applied to welding of the lithium battery pack comprises a console (100) horizontally arranged on the ground and a lithium battery spot welding device (300) arranged on the upper end surface of the console (100), wherein the lithium battery spot welding device (300) is used for performing spot welding treatment on lithium batteries and fixing a plurality of groups of lithium batteries into the lithium battery pack;
lithium cell spot welding device (300) including feed mechanism (310), spot welding mechanism (320), feed mechanism (310) are used for providing lift power and feed power for spot welding mechanism (320) carry out the spot welding in-process for the lithium cell, spot welding mechanism (320) are used for carrying out the spot welding to a plurality of lithium cells and make a plurality of lithium cell group composite lithium cell group.
The technical scheme is further improved and optimized.
The feeding mechanism (310) comprises a lifting component and a feeding component, wherein the lifting component comprises a lifting motor (311), a lifting screw rod (312), a lifting guide rod (313), a mounting bracket (314) and a push-pull bracket (315), the lifting motor (311) is vertically and fixedly mounted on the console (100), the lifting screw rod (312) and the power output end of the lifting motor (311) are coaxially and fixedly connected through a coupler, the lifting guide rods (313) are vertically and fixedly mounted on the console (100), and two groups of lifting guide rods (313) are arranged;
the mounting bracket (314) is movably connected with the lifting guide rod (313) and forms sliding guide fit with the lifting guide rod, the push-pull bracket (315) is fixedly mounted at the bottom of the mounting bracket (314), the push-pull bracket (315) is further mounted outside the lifting screw rod (312) through a nut, and the lifting screw rod (312) rotates around the axial direction of the lifting screw rod and can pull the push-pull bracket (315) and the mounting bracket (314) to displace along the guide direction of the lifting guide rod (313).
The technical scheme is further improved and optimized.
The feeding member comprises a feeding motor (316), a feeding screw rod (317) and feeding guide rods (318), the feeding motor (316) is horizontally and fixedly installed on the installation support (314), the feeding screw rod (317) is coaxially and fixedly connected with the power output end of the feeding motor (316) through a coupler, the feeding screw rod (317) is further movably installed on the installation support (314), the feeding screw rod (317) can rotate around the axial direction of the feeding screw rod (317), the guiding direction of the feeding guide rods (318) is parallel to the axial direction of the feeding screw rod (317), the feeding guide rods (318) are fixedly installed on the installation support (314), and two groups of feeding guide rods (318) are arranged.
The technical scheme is further improved and optimized.
The spot welding mechanism (320) comprises a connecting support (321), a guide member, a linkage member and a spot welding machine (329), wherein the connecting support (321) is movably connected with the feeding guide rod (318) and forms sliding guide fit between the connecting support and the feeding guide rod, the connecting support (321) is also arranged outside the feeding screw rod (317) through a nut, and the feeding screw rod (317) rotates around the self axial direction and can pull the connecting support (321) to displace along the guide direction of the feeding guide rod (318).
The technical scheme is further improved and optimized.
The guide component comprises a guide sliding rod (322), a driving block (323), a first buffer spring (327) and a second buffer spring (328), the guide sliding rod (322) is vertically and movably mounted on the connecting bracket (321) and can move along the guide direction of the guide sliding rod, two groups of guide sliding rods (322) are arranged, the driving block (323) is horizontally and movably mounted outside the guide sliding rod (322), and the two groups of guide sliding rods form sliding guide fit;
the outer part of the guide sliding rod (322) is fixedly provided with two groups of abutting lantern rings, the abutting lantern rings are an upper abutting lantern ring positioned above the driving block (323) and a lower abutting lantern ring positioned below the driving block (323), the upper end face of the driving block (323) is provided with an upper abutting groove which is coaxially arranged with the guide sliding rod (322), and the lower end face of the driving block (323) is provided with a lower abutting groove which is coaxially arranged with the guide sliding rod (322);
the buffer spring I (327) is sleeved outside the guide slide rod (322), one end of the buffer spring I (327) is in contact with the upper abutting lantern ring, the other end of the buffer spring I is in contact with the bottom of the upper abutting groove, the elastic force of the buffer spring I (327) drives the driving block (323) to do descending motion along the guide direction of the guide slide rod (322), two groups of buffer spring I (327) are correspondingly arranged, and the upper abutting lantern ring and the upper abutting groove are correspondingly arranged in two groups;
the outside of direction slide bar (322) is located to buffer spring two (328) cover, the one end and the contact of contradicting the lantern ring down of buffer spring two (328), the other end and the contact of contradicting the groove tank bottom down, the elasticity of buffer spring two (328) orders about drive block (323) and is the rising motion along the direction of guide of direction slide bar (322), buffer spring two (328) correspond be provided with two sets ofly and conflict the lantern ring down, conflict the groove all corresponds and be provided with two sets ofly down.
The technical scheme is further improved and optimized.
The linkage component comprises a driving motor (324), a linkage block (325) and a linkage rod (326), the axial direction of an output shaft of the driving motor (324) is parallel to the axial direction of an output shaft of the feeding motor (316), the driving motor (324) is fixedly arranged on the connecting bracket (321), and the linkage block (325) is eccentrically and fixedly arranged at the power output end of the driving motor (324);
the driving block (323) is provided with a linkage hole, the guiding direction of the linkage hole is parallel to the ground and is vertical to the axial direction of the output shaft of the driving motor (324), the extending direction of the linkage rod (326) is parallel to the axial direction of the output shaft of the driving motor (324), one end of the linkage rod (326) is fixedly connected with the free end of the linkage block (325), the other end of the linkage rod is positioned in the linkage hole, and the linkage rod (326) is in sliding guide fit with the linkage hole.
The technical scheme is further improved and optimized.
The spot welding machine (329) is fixedly arranged at the bottom ends of the two groups of guide sliding rods (322).
Compared with the prior art, the spot welding fixture has the advantages that spot welding fixing can be automatically carried out on the plurality of lithium battery packs, in the spot welding process, a worker only needs to orderly stack the plurality of lithium batteries into the clamping area of the clamping mechanism and take out the spot-welded lithium battery packs, the clamping, conveying and spot welding processes of the lithium batteries are fully automatic, the labor intensity of the worker is greatly reduced, the working efficiency of the worker is improved, and the spot welding fixture can be operated by one person, so that the labor cost is saved; in the lithium battery clamping process, the clamping mechanism adopts a square clamping mode, the lithium batteries subjected to spot welding at one time can be stably clamped no matter how many the lithium batteries are, the clamping effect is better, and the applicability is wider; in the spot welding process of the lithium battery, the existence of the first buffer spring/the second buffer spring in the spot welding mechanism can effectively avoid the occurrence of accidents caused by damage of the lithium battery due to deviation in the spot welding process.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic structural diagram of a lithium battery clamping device and a lithium battery spot welding device according to the present invention.
Fig. 3 is a schematic structural diagram of a lithium battery clamping device according to the present invention.
Fig. 4 is a schematic structural diagram of the conveying mechanism of the present invention.
Fig. 5 is a schematic structural diagram of the clamping mechanism of the present invention.
Fig. 6 is a schematic structural diagram of the clamping mechanism of the present invention.
Fig. 7 is a schematic view of the internal structure of the clamping mechanism of the present invention.
Fig. 8 is a top view of the interior of the clamping mechanism of the present invention.
FIG. 9 is a schematic structural diagram of a driving assembly and a clamping plate according to the present invention.
Fig. 10 is a schematic structural diagram of a power member and four sets of driving assemblies of the present invention.
Fig. 11 is a schematic structural view of the clamping screw rod and the power connecting piece II of the invention.
Fig. 12 is a schematic structural view of a spot welding apparatus for a lithium battery according to the present invention.
Fig. 13 is a schematic structural view of the lifting member of the present invention.
Fig. 14 is a schematic view of the structure of the feeding member of the present invention.
Fig. 15 is a schematic view of the feed member of the present invention in cooperation with a spot welding mechanism.
Fig. 16 is a schematic structural view of the spot welding mechanism of the present invention.
Fig. 17 is a partial structural view of the spot welding mechanism of the present invention.
Fig. 18 is a cross-sectional matching view of the driving block and the interlocking member of the present invention.
Fig. 19 is a cross-sectional view of a guide member of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
Square self-centering combination lithium cell group spot welder, it includes control cabinet 100, lithium cell clamping device 200, lithium cell spot welding device 300, control cabinet 100 horizontal installation is on ground and lithium cell clamping device 200 and lithium cell spot welding device 300 are all installed on control cabinet 100, lithium cell clamping device 200 is used for carrying out the centre gripping to the lithium cell and carries the lithium cell to the spot welding district below of battery spot welding device 300, battery spot welding device 300 is used for carrying out spot welding to the lithium cell and handles and make a plurality of lithium cell fixation of group for the lithium cell group.
The lithium battery clamping device 200 comprises a conveying mechanism 210 and a clamping mechanism 220, wherein the conveying mechanism 210 is used for drawing the clamping mechanism 220 to displace, and the clamping mechanism 220 is used for clamping the lithium battery.
The conveying mechanism 210 includes a conveying motor 211 and a conveying member, and the conveying motor 211 is horizontally and fixedly mounted on the upper end surface of the console 100.
The conveying member comprises a guide rail 212, a conveying screw rod 213 and a supporting platform 214, the guiding direction of the guide rail 212 is parallel to the axial direction of an output shaft of the conveying motor 211, the guide rail 212 is fixedly installed on the upper end face of the control console 100, the axial direction of the conveying screw rod 213 is parallel to the axial direction of the output shaft of the conveying motor 211, a supporting bracket is arranged on the upper end face of the guide rail 212, the conveying screw rod 213 is movably installed on the supporting bracket, the conveying screw rod 213 can rotate around the axial direction of the conveying screw rod, the supporting platform 214 is movably connected with the guide rail 212, sliding guide fit is formed between the supporting platform 214 and the guide rail 212, the supporting platform 214 is further installed outside the conveying screw rod 213 through a screw nut, and the conveying screw rod 213 rotates around the axial direction of the conveying screw rod 213 and.
The conveying members are provided with two groups, and the distance direction between the two groups of conveying members is parallel to the ground and perpendicular to the axial direction of the output shaft of the conveying motor 211.
A power transmission part 215 is arranged between the power output end of the conveying motor 211 and any one of the two groups of conveying screw rods 213, the power transmission part 215 is in power connection transmission between the two groups of conveying screw rods 213, a power synchronization part 216 is arranged between the two groups of conveying screw rods 213, and the power synchronization part 216 is in power connection transmission between the two groups of conveying screw rods 213 through the power synchronization part 216.
The working process of the conveying mechanism 210 is specifically as follows: the conveying motor 211 runs and pulls the conveying screw rods 213 of the two groups of conveying members to rotate around the axial direction of the conveying screw rods 213 through the matching of the power transmission piece 215 and the power synchronization piece 216, the rotation direction of the conveying screw rods 213 is the same, and the conveying screw rods 213 rotate and pull the supporting platform 214 to displace along the guiding direction of the guiding track 212.
The clamping mechanism 220 is installed on the two groups of bearing platforms 214, the clamping mechanism 220 comprises a fixed support, a clamping component and a power component, the fixed support is of a hollow square annular frame structure, the fixed support is fixedly installed on the two groups of bearing platforms 214, the central lines of the fixed support are vertically arranged, the clamping component is used for clamping the lithium battery, and the power component is used for driving the clamping component to clamp the lithium battery or cancel clamping of the lithium battery.
The clamping component comprises a clamping assembly and a driving assembly, the clamping assembly comprises a clamping plate 221, the clamping plate 221 is vertically arranged in the fixed support, the clamping plate 221 is provided with four groups of clamping plates 221, the four groups of clamping plates 221 jointly form a clamping area, the clamping area is of a square structure, the central line of the clamping area and the central line of the fixed support are located on the same vertical straight line, and the clamping area and the fixed support are arranged in a shape of a square.
The driving assembly comprises a clamping guide rod 222 and a clamping screw rod 223, wherein the clamping guide rod 222 and the clamping screw rod 223 are movably mounted at the right angle of the fixed support, the extending directions of the clamping guide rod 222 and the clamping screw rod 223 are parallel to the diagonal extending direction of the fixed support at the right angle, the clamping guide rod 222 can displace along the extending direction of the clamping guide rod 222, the clamping screw rod 223 can displace along the axial direction of the clamping guide rod 223, one end of each of the clamping guide rod 222 and the clamping screw rod 223 is fixedly connected with the corresponding clamping plate 221, the other end of each of the clamping guide rod 222 and the clamping screw rod 223 penetrates through the fixed support and is located outside the fixed support, the driving assemblies are correspondingly provided with four groups, and when the four groups of driving assemblies synchronously displace along the extending direction of the four groups of driving assemblies.
The power member comprises a clamping motor 224, a first power connecting piece 225 and a second power connecting piece 226, the clamping motor 224 is vertically and fixedly mounted on the fixed support, the first power connecting piece 225 is used for receiving power of the clamping motor 224 and transmitting the power to the second power connecting piece 226, the second power connecting piece 226 is used for receiving the power and transmitting the power to a clamping screw rod 223 of the driving assembly, and four groups of the second power connecting pieces 226 are correspondingly arranged.
The power connecting piece II 226 comprises a first connecting shaft 2261, a second connecting shaft 2262, a driving bevel gear 2263 and a driven bevel gear 2264, the first connecting shaft 2261 is vertically and movably mounted on the fixed support and can rotate around the axial direction of the first connecting shaft, the second connecting shaft 2262 and a clamping screw 223 of the corresponding driving assembly are coaxially arranged, the second connecting shaft 2262 is movably mounted on the fixed support and can rotate around the axial direction of the second connecting shaft, the second connecting shaft 2262 is further coaxially mounted outside the clamping screw 223 of the corresponding driving assembly in a threaded mounting mode, and the second connecting shaft 2262 rotates around the axial direction of the second connecting shaft and can pull the clamping screw 223 to displace along the axial direction of the second.
The driving bevel gear 2263 is coaxially and fixedly arranged outside the first connecting shaft 2261, the driven bevel gear 2264 is coaxially and fixedly arranged outside the second connecting shaft 2262, and the driving bevel gear 2263 is meshed with the driven bevel gear 2264.
The first power connecting part 225 comprises a driving belt wheel 2251, a pressing belt wheel 2252, driven belt wheels 2253 and a conveying belt 2254, wherein the driving belt wheel 2251 is coaxially and fixedly mounted outside the power output end of the clamping motor 224, the pressing belt wheels 2252 are vertically and movably mounted on the fixed bracket and can rotate around the axial direction of the pressing belt wheels, two sets of the pressing belt wheels 2252 are arranged and are respectively located on one side of the clamping motor 224, the driven belt wheels 2253 are coaxially and fixedly mounted outside the first connecting shaft 2261, and four sets of the driven belt wheels 2253 are correspondingly arranged, and the four sets of the driven belt wheels 2253 and the two sets of the pressing belt wheels 2252 are both located on a square edge line with the center line.
The head end of the conveyor belt 2254 sequentially passes around the driving pulley 2251, the set of pressing pulleys 2252, the four sets of driven pulleys 2253, and the other set of pressing pulleys 2552, and is fixedly connected to the head end of the conveyor belt 2254 to form a closed loop.
The working process of the clamping mechanism 220 is as follows: the clamping motor 224 operates and drives the clamping screw rods 223 of the four groups of driving assemblies to synchronously displace along the self axial direction through the matching of the power connecting piece I225 and the four groups of power connecting pieces II 226, the clamping screw rods 223 move and pull the clamping plate 221 to synchronously move, even if the area of the clamping assembly changes and the clamping area always keeps a square structure, the purpose of clamping or unclamping the lithium battery placed in the clamping area is achieved.
Lithium cell spot welding device 300 include feed mechanism 310, spot welding mechanism 320, feed mechanism 310 is used for providing lift power and feeding power for spot welding mechanism 320 carries out the spot welding in-process for the lithium cell, spot welding mechanism 320 is used for carrying out the spot welding and making the synthetic lithium cell group of a plurality of lithium cell groups to the lithium cell that is located the centre gripping subassembly clamping area.
The feeding mechanism 310 comprises a lifting member and a feeding member, the lifting member comprises a lifting motor 311, a lifting screw 312, a lifting guide rod 313, a mounting bracket 314 and a push-pull bracket 315, the lifting motor 311 is vertically and fixedly mounted on the console 100, the lifting screw 312 and the power output end of the lifting motor 311 are coaxially and fixedly connected through a coupler, the lifting guide rods 313 are vertically and fixedly mounted on the console 100, and the lifting guide rods 313 are provided with two groups.
The mounting bracket 314 and the lifting guide rod 313 are movably connected and form sliding guide fit, the mounting bracket 314 is also positioned above the conveying component, the push-pull bracket 315 is fixedly mounted at the bottom of the mounting bracket 314, the push-pull bracket 315 is also mounted outside the lifting screw 312 through a nut, and the lifting screw 312 rotates around the axial direction of the lifting screw and can pull the push-pull bracket 315 and the mounting bracket 314 to displace along the guiding direction of the lifting guide rod 313.
The feeding member comprises a feeding motor 316, a feeding screw rod 317 and feeding guide rods 318, wherein the axial direction of an output shaft of the feeding motor 316 is parallel to the ground and is perpendicular to the axial direction of a conveying shaft of the conveying motor 211, the feeding motor 316 is fixedly arranged on the mounting bracket 314, the feeding screw rod 317 and a power output end of the feeding motor 316 are coaxially and fixedly connected through a coupler, the feeding screw rod 317 is further movably arranged on the mounting bracket 314, the feeding screw rod 317 can rotate around the axial direction of the feeding screw rod 317, the guiding direction of the feeding guide rods 318 is parallel to the axial direction of the feeding screw rod 317, the feeding guide rods 318 are fixedly arranged on the mounting bracket 314, and two groups of the.
The working process of the feeding mechanism 310 is specifically as follows: the lifting motor 311 runs and pulls the lifting screw 312 to rotate around the self axial direction, the lifting screw 312 rotates and pulls the push-pull bracket 315 and the mounting bracket 314 to displace along the guiding direction of the lifting guide rod 313, and the height of the feeding component can be controlled by controlling the running condition of the lifting motor 311.
The spot welding mechanism 320 comprises a connecting bracket 321, a guide member, a linkage member and a spot welding machine 329, wherein the connecting bracket 321 is movably connected with the feeding guide rod 318, the connecting bracket 321 and the feeding guide rod 318 form sliding guide fit, the connecting bracket 321 is also arranged outside the feeding screw rod 317 through a nut, and the feeding screw rod 317 rotates around the self axial direction and can pull the connecting bracket 321 to displace along the guide direction of the feeding guide rod 318.
The guide component comprises a guide sliding rod 322, a driving block 323, a first buffer spring 327 and a second buffer spring 328, the guide sliding rod 322 is vertically and movably mounted on the connecting support 321 and can move along the guide direction of the guide sliding rod, two groups of guide sliding rods 322 are arranged, the driving block 323 is horizontally and movably mounted outside the guide sliding rod 322, and sliding guide matching is formed between the guide sliding rod 322 and the guide sliding rod.
The fixed conflict lantern ring that is provided with in outside of direction slide bar 322, the conflict lantern ring be provided with two sets ofly and be the lower conflict lantern ring that is located the upper conflict lantern ring of drive block 323 top, is located the drive block 323 below respectively, the up end of drive block 323 be provided with the coaxial last conflict groove of arranging of direction slide bar 322, the lower terminal surface of drive block 323 be provided with the coaxial lower conflict groove of arranging of direction slide bar 322.
The first buffer spring 327 is sleeved outside the guide slide bar 322, one end of the first buffer spring 327 is in contact with the upper abutting lantern ring, the other end of the first buffer spring 327 is in contact with the bottom of the upper abutting groove, the elastic force of the first buffer spring 327 drives the driving block 323 to do descending motion along the guide direction of the guide slide bar 322, and the first buffer spring 327 is correspondingly provided with two groups and the upper abutting lantern ring and the upper abutting groove are correspondingly provided with two groups.
The second buffer spring 328 is sleeved outside the guide slide bar 322, one end of the second buffer spring 328 is in contact with the lower abutting lantern ring, the other end of the second buffer spring 328 is in contact with the bottom of the lower abutting groove, the driving block 323 is driven by the elastic force of the second buffer spring 328 to move upwards along the guide direction of the guide slide bar 322, and the second buffer spring 328 is correspondingly provided with two groups and two groups of lower abutting lantern rings and two groups of lower abutting grooves are correspondingly provided.
The spot welding machine 329 is fixedly arranged at the bottom ends of the two groups of guide sliding rods 322; the spot welder 329 is a conventional spot welding technique and will not be described in detail herein.
The linkage component comprises a driving motor 324, a linkage block 325 and a linkage rod 326, wherein the axial direction of the output shaft of the driving motor 324 is parallel to the axial direction of the output shaft of the feeding motor 316, the driving motor 324 is fixedly arranged on the connecting bracket 321, and the linkage block 325 is eccentrically and fixedly arranged at the power output end of the driving motor 324.
The driving block 323 is provided with a linkage hole, the guiding direction of the linkage hole is parallel to the axial direction of the output shaft of the conveying motor 211, the extending direction of the linkage rod 326 is parallel to the axial direction of the output shaft of the driving motor 324, one end of the linkage rod 326 is fixedly connected with the free end of the linkage block 325, the other end is positioned in the linkage hole, and the linkage rod 326 and the linkage hole form sliding guide fit.
The working process of the spot welding mechanism 320 is specifically as follows: the driving motor 324 operates and pulls the linkage block 325 to rotate axially around the output shaft of the driving motor 324, the linkage block 325 rotates and drives the driving block 323 to do lifting reciprocating motion through the cooperation between the linkage rod 326 and the linkage hole arranged on the driving block 323, in addition, the driving motor 324 operates for a period, the driving block 323 performs the lifting reciprocating motion once, the driving block 323 moves and drives the guide sliding rod 322 to perform synchronous motion through the cooperation of the buffer spring I/II, the guide sliding rod 323 moves and pulls the spot welding machine 329 to perform synchronous motion, and further, the spot welding operation is completed.
During actual work, after a plurality of lithium batteries are orderly stacked in a clamping area of the clamping assembly by a worker, the clamping motor 224 runs and drives the clamping screw rods 223 of the four groups of driving assemblies to synchronously displace along the self axial direction through the matching of the power connecting piece I225 and the four groups of power connecting pieces II 226, the clamping screw rods 223 move and pull the clamping plates 221 to synchronously move, so that the area of the clamping assembly is reduced, and the clamping motor 224 stops running until the lithium batteries are clamped;
then, the conveying motor 211 runs, and pulls the conveying screw rods 213 of the two groups of conveying members to rotate around the self axial direction and rotate in the same direction through the matching of the power transmission piece 215 and the power synchronization piece 216, the conveying screw rods 213 rotate and pull the supporting platform 214 to displace along the guiding direction of the guiding track 212, so that the clamping area of the clamping assembly is positioned under the mounting bracket 314, and even if the lithium battery pack in the clamping area of the clamping assembly is positioned under the mounting bracket 314, the conveying motor 211 stops moving;
then, the lifting motor 311 and the feeding motor 316 both start to operate, the lifting motor 311 operates to enable the spot welding mechanism 320 to do descending motion, the feeding motor 316 enables the spot welding mechanism 320 to do motion close to the lithium battery in the clamping area of the clamping assembly, and after the spot welding end of the spot welding machine 329 is located right above the lithium battery pack through cooperation of the lifting motor 311 and the feeding motor 316, the lifting motor 311 and the feeding motor 316 stop moving;
then, the driving motor 324, the feeding motor 316 and the conveying motor 211 are matched to operate to perform fixed spot welding operation on a plurality of lithium batteries, and the plurality of lithium batteries are fixed into a lithium battery pack through spot welding;
after spot welding, the driving motor 324 stops running, meanwhile, the feeding motor 316 and the lifting motor 311 run in reverse directions, the spot welding machine 329 is far away from the clamping area of the clamping assembly, the conveying motor 211 runs in reverse directions, and the clamping mechanism 220 is restored to the original position;
then, centre gripping motor 224 reverse operation makes the grip area grow of centre gripping subassembly, and then makes the centre gripping subassembly withdraw the centre gripping to the lithium cell, and the staff takes out the fixed lithium cell that finishes of spot welding, afterwards, can carry out the lithium cell spot welding of next round.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (7)
1. The stabilizing assembly is applied to welding of the lithium battery pack and is characterized by comprising a console (100) horizontally arranged on the ground and a lithium battery spot welding device (300) arranged on the upper end surface of the console (100), wherein the lithium battery spot welding device (300) is used for performing spot welding treatment on lithium batteries and fixing a plurality of groups of lithium batteries into the lithium battery pack;
lithium cell spot welding device (300) including feed mechanism (310), spot welding mechanism (320), feed mechanism (310) are used for providing lift power and feed power for spot welding mechanism (320) carry out the spot welding in-process for the lithium cell, spot welding mechanism (320) are used for carrying out the spot welding to a plurality of lithium cells and make a plurality of lithium cell group composite lithium cell group.
2. The stabilizing assembly applied to lithium battery pack welding according to claim 1, wherein the feeding mechanism (310) comprises a lifting member and a feeding member, the lifting member comprises a lifting motor (311), a lifting screw rod (312), a lifting guide rod (313), a mounting bracket (314) and a push-pull bracket (315), the lifting motor (311) is vertically and fixedly mounted on the console (100), the lifting screw rod (312) and a power output end of the lifting motor (311) are coaxially and fixedly connected through a coupler, the lifting guide rods (313) are vertically and fixedly mounted on the console (100), and two groups of lifting guide rods (313) are arranged;
the mounting bracket (314) is movably connected with the lifting guide rod (313) and forms sliding guide fit with the lifting guide rod, the push-pull bracket (315) is fixedly mounted at the bottom of the mounting bracket (314), the push-pull bracket (315) is further mounted outside the lifting screw rod (312) through a nut, and the lifting screw rod (312) rotates around the axial direction of the lifting screw rod and can pull the push-pull bracket (315) and the mounting bracket (314) to displace along the guide direction of the lifting guide rod (313).
3. The stabilizing assembly applied to lithium battery pack welding according to claim 2, wherein the feeding mechanism comprises a feeding motor (316), a feeding screw rod (317) and feeding guide rods (318), the feeding motor (316) is horizontally and fixedly installed on the mounting bracket (314), the feeding screw rod (317) is coaxially and fixedly connected with the power output end of the feeding motor (316) through a coupler, the feeding screw rod (317) is further movably installed on the mounting bracket (314), the feeding screw rod (317) can rotate around the axial direction of the feeding screw rod, the guiding direction of the feeding guide rods (318) is parallel to the axial direction of the feeding screw rod (317), the feeding guide rods (318) are fixedly installed on the mounting bracket (314), and two sets of feeding guide rods (318) are provided.
4. The stabilizing assembly applied to lithium battery pack welding according to claim 3, wherein the spot welding mechanism (320) comprises a connecting bracket (321), a guiding member, a linking member and a spot welding machine (329), the connecting bracket (321) is movably connected with the feeding guide rod (318) and forms a sliding guiding fit with the feeding guide rod, the connecting bracket (321) is further mounted on the outer portion of the feeding screw rod (317) through a nut, and the feeding screw rod (317) rotates around the axial direction of the feeding screw rod and can pull the connecting bracket (321) to displace along the guiding direction of the feeding guide rod (318).
5. The stabilizing assembly applied to lithium battery pack welding according to claim 4, wherein the guiding member comprises a guiding slide bar (322), a driving block (323), a first buffer spring (327) and a second buffer spring (328), the guiding slide bar (322) is vertically movably mounted on the connecting bracket (321) and can be displaced along the guiding direction of the guiding slide bar, two groups of guiding slide bars (322) are provided, the driving block (323) is horizontally movably mounted outside the guiding slide bar (322) and forms sliding guiding fit therebetween;
the outer part of the guide sliding rod (322) is fixedly provided with two groups of abutting lantern rings, the abutting lantern rings are an upper abutting lantern ring positioned above the driving block (323) and a lower abutting lantern ring positioned below the driving block (323), the upper end face of the driving block (323) is provided with an upper abutting groove which is coaxially arranged with the guide sliding rod (322), and the lower end face of the driving block (323) is provided with a lower abutting groove which is coaxially arranged with the guide sliding rod (322);
the buffer spring I (327) is sleeved outside the guide slide rod (322), one end of the buffer spring I (327) is in contact with the upper abutting lantern ring, the other end of the buffer spring I is in contact with the bottom of the upper abutting groove, the elastic force of the buffer spring I (327) drives the driving block (323) to do descending motion along the guide direction of the guide slide rod (322), two groups of buffer spring I (327) are correspondingly arranged, and the upper abutting lantern ring and the upper abutting groove are correspondingly arranged in two groups;
the outside of direction slide bar (322) is located to buffer spring two (328) cover, the one end and the contact of contradicting the lantern ring down of buffer spring two (328), the other end and the contact of contradicting the groove tank bottom down, the elasticity of buffer spring two (328) orders about drive block (323) and is the rising motion along the direction of guide of direction slide bar (322), buffer spring two (328) correspond be provided with two sets ofly and conflict the lantern ring down, conflict the groove all corresponds and be provided with two sets ofly down.
6. The stabilizing assembly applied to lithium battery pack welding of claim 5, wherein the linkage member comprises a driving motor (324), a linkage block (325) and a linkage rod (326), an axial direction of an output shaft of the driving motor (324) is parallel to an axial direction of an output shaft of the feeding motor (316), the driving motor (324) is fixedly installed on the connecting bracket (321), and the linkage block (325) is eccentrically and fixedly installed at a power output end of the driving motor (324);
the driving block (323) is provided with a linkage hole, the guiding direction of the linkage hole is parallel to the ground and is vertical to the axial direction of the output shaft of the driving motor (324), the extending direction of the linkage rod (326) is parallel to the axial direction of the output shaft of the driving motor (324), one end of the linkage rod (326) is fixedly connected with the free end of the linkage block (325), the other end of the linkage rod is positioned in the linkage hole, and the linkage rod (326) is in sliding guide fit with the linkage hole.
7. The stabilizing assembly for lithium battery pack welding according to claim 6, wherein the spot welding machine (329) is fixedly mounted at the bottom end of the two sets of guide sliding bars (322).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010375343.1A CN111571053B (en) | 2020-05-07 | 2020-05-07 | Be applied to lithium cell group welded subassembly that stabilizes |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010375343.1A CN111571053B (en) | 2020-05-07 | 2020-05-07 | Be applied to lithium cell group welded subassembly that stabilizes |
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| CN111571053B CN111571053B (en) | 2022-12-06 |
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| CN209830580U (en) * | 2019-04-01 | 2019-12-24 | 东莞理工学院 | Automatic butt-welding equipment for battery |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09330695A (en) * | 1996-06-07 | 1997-12-22 | Fuji Photo Film Co Ltd | Welding quality judging method and device |
| CN1947914A (en) * | 2005-10-10 | 2007-04-18 | 邓建刚 | Full electric power driven resistance welding equipment |
| CN108927592A (en) * | 2017-05-27 | 2018-12-04 | 张家港市欧微自动化研发有限公司 | A kind of welding method based on battery automatic electric weld(ing) device |
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| Publication number | Publication date |
|---|---|
| CN111571053B (en) | 2022-12-06 |
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