CN110788529A - Lithium battery module welding jig - Google Patents
Lithium battery module welding jig Download PDFInfo
- Publication number
- CN110788529A CN110788529A CN201911011168.1A CN201911011168A CN110788529A CN 110788529 A CN110788529 A CN 110788529A CN 201911011168 A CN201911011168 A CN 201911011168A CN 110788529 A CN110788529 A CN 110788529A
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- China
- Prior art keywords
- jig
- plate
- welding
- clamping
- assembly
- Prior art date
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- Granted
Links
- 238000003466 welding Methods 0.000 title claims abstract description 150
- WHXSMMKQMYFTQS-UHFFFAOYSA-N lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 105
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 105
- 238000007599 discharging Methods 0.000 claims description 76
- 240000004282 Grewia occidentalis Species 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 230000002950 deficient Effects 0.000 description 15
- 230000005540 biological transmission Effects 0.000 description 7
- 230000001939 inductive effect Effects 0.000 description 3
- 239000000725 suspension Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 230000003139 buffering Effects 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
Images
Classifications
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- 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
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
-
- 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
- B23K37/0443—Jigs
-
- 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
- B23K37/047—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work moving work to adjust its position between soldering, welding or cutting steps
Abstract
The invention relates to the field of lithium battery production. A lithium battery module welding jig comprises a jig left side baffle, a jig right side baffle, a jig bottom plate, a jig welding side plate, a jig clamping cylinder, a jig left side clamping assembly and a jig right side clamping assembly; the jig left clamping assembly comprises a jig left vertical plate, a clamping plate and a clamping connecting rod; the clamping plate is of a bow shape, and the middle part of the clamping plate is arranged in the middle of the top of the vertical plate on the left side of the jig; the lower end of the clamping connecting rod is hinged to the left baffle of the jig, and the upper end of the clamping connecting rod is hinged to the bow-shaped groove of the left clamping plate; the structure of the right clamping component of the jig is the same as that of the left clamping component of the jig. This patent advantage is through tool die clamping cylinder with the tight lift plate of tool clamp upwards promote, makes the tight component of clamp on the upper portion of tool left side baffle and tool right side baffle press from both sides tight lithium cell module, has ensured the tight reliability of clamp.
Description
Technical Field
The invention relates to the field of lithium battery module production, in particular to a lithium battery module welding jig.
Background
Lithium batteries are widely used due to their advantages of high voltage, large capacity, small volume, light weight, wide working temperature range, etc., and at present, large-capacity lithium batteries are widely researched and successfully used in electric bicycles, motorcycles, and electric vehicles
In the field of vehicles and the like, most of the power batteries used in the fields of electric bicycles, motorcycles, electric automobiles and the like are composed of a plurality of single batteries
The body battery is connected in series with the lithium battery module through a nickel sheet.
The invention discloses a lithium battery module welding executing device, a robot and a lithium battery module welding production workstation, wherein the lithium battery module welding executing device comprises an electrode bar, a clamp for clamping the electrode bar and a pressing-down driving mechanism for driving the clamp to move so as to press one end of the electrode bar down on a lithium battery module, the pressing-down driving mechanism is provided with a self-rotating body which extends along the pressing-down direction of the electrode bar and is fixedly connected with the clamp, and a rotary driving piece which drives the self-rotating body to rotate so as to drive the electrode bar to rotate around the axis of the self-rotating body, so that the welding production efficiency is greatly improved, the manual burden is reduced, the lithium battery module welding tool is suitable for large-scale welding production of lithium battery modules, and the welding and carrying movement of the lithium battery modules are realized by the robot in the whole lithium battery module welding workstation, the automation degree is higher, and the welding efficiency is greatly improved.
However, the welding jig for the lithium battery module has the following problems: the jig is not provided with a clamping element, so that the clamping reliability cannot be ensured, and the welding quality is influenced.
Disclosure of Invention
The first purpose of the present invention is to provide a lithium battery module welding jig for clamping a lithium battery module by driving a clamping element through an air cylinder in order to solve the problem of unreliable clamping of the existing lithium battery module welding jig.
For the first purpose of the invention, the following technical scheme is adopted for implementation:
a lithium battery module welding jig comprises a jig left side baffle, a jig right side baffle, a jig bottom plate, a jig welding side plate, a jig clamping cylinder, a jig left side clamping assembly and a jig right side clamping assembly; the jig clamping cylinder is arranged on the lower end face of the jig bottom plate, the output end of the jig clamping cylinder is connected with a cylinder connecting block, the cylinder connecting block is arranged on the lower portion of a guide plate, and the guide plate is arranged on the lower portions of a left side baffle and a right side baffle of the jig in a sliding mode through four guide posts; the jig left clamping assembly comprises a jig left vertical plate, a clamping plate and a clamping connecting rod; the fixture left vertical plate is arranged on the guide plate, and the fixture left vertical plate is positioned on the left side of the fixture left baffle; the clamping plate is in a bow shape, the middle of the clamping plate is arranged in the middle of the top of the vertical plate on the left side of the jig, and the front end and the rear end of the clamping plate are used for clamping; the lower end of the clamping connecting rod is hinged to the left baffle of the jig, and the upper end of the clamping connecting rod is hinged to the bow-shaped groove of the left clamping plate; the structure of the right-side clamping assembly of the jig is the same as that of the left-side clamping assembly of the jig, the right-side clamping assembly of the jig is arranged on the guide plate, and the right-side clamping assembly of the jig is positioned on the right side of the right-side baffle of the jig.
Preferably, bosses are arranged on the front side and the rear side of the bottom of the left baffle of the jig, and a groove is formed in the upper part of the left baffle of the jig; the structure of the baffle on the right side of the jig is the same as that of the baffle on the left side of the jig.
Preferably, the jig bottom plate is arranged between the jig left side baffle and the jig right side baffle, the jig bottom plate is provided with four corners, the four corners are arranged on four bosses of the jig left side baffle and the jig right side baffle, and the upper portion of the jig bottom plate is provided with a base plate for mounting the lithium battery module.
Preferably, the base plate is internally provided with an induction pin, and the induction pin is used for inducing whether the lithium battery module exists.
Preferably, the jig welding side plates are two and are respectively arranged on the front side and the rear side of the jig bottom plate, and a plurality of welding grooves used for the welding gun to stretch into are formed in the jig welding side plates.
The second purpose of the invention is to provide a welding device for the lithium battery module.
A lithium battery module welding device comprises a bottom plate, a front-back moving assembly, a rotating assembly, a left-right moving assembly, a front-down moving assembly and a welding assembly; the front-back moving assembly is used for adjusting the front-back position of the lithium battery module; the rotating assembly is used for rotating and overturning the lithium battery module; the left-right moving assembly is used for adjusting the left-right position of the welding assembly; the up-down moving assembly is used for adjusting the up-down position of the welding assembly; the welding assembly is used for welding the lithium battery module; the rotating assembly comprises a rotating base, a first rotating motor, a first rotating conveyor belt component, a rotating disc rack, a second rotating motor, a second rotating conveyor belt component, a rotating positioning cylinder, a rotating positioning plate and a jig; the rotating base is arranged on the rotating component connecting plate; the first rotating motor is vertically arranged at the lower part of the rotating base; the first rotating conveyor belt component is arranged in the rotating base, and a driving wheel in the first rotating conveyor belt component is connected with the output end of the first rotating motor; the rotary disc frame is arranged on a driven wheel in the first rotary transmission belt component; the second rotating motor is arranged at the left end of the rotary disc rack; the second rotary conveyor belt component is arranged on the left side surface of the rotary tray frame, and a driving wheel in the second rotary conveyor belt component is connected with the output end of a second rotary motor; the rotary positioning cylinder is arranged on the right side surface of the rotary disc frame; the rotary positioning plate is slidably arranged on the right side surface of the rotary base and is connected with the output end of the rotary positioning cylinder; the jig adopts the lithium battery module welding jig.
A third object of the present invention is to provide a welding apparatus for a lithium battery module.
A lithium battery module welding device comprises a bottom plate, a feeding device, a first welding device, a second welding device, an unqualified product discharging device, a qualified product discharging device and a manipulator; the bottom plate is provided with a support frame; the feeding device is arranged on the bottom plate and used for feeding the lithium battery module; the first welding device and the second welding device are arranged on the bottom plate in parallel, the second welding device is arranged on the right side of the first welding device in a mirror image mode, the first welding device is used for welding one side of the lithium battery module, and the second welding device is used for welding the other side of the lithium battery module; the unqualified product discharging device is arranged on the bottom plate and used for discharging unqualified products; the qualified product discharging device is arranged on the bottom plate and used for discharging qualified products; the manipulator is connected among the feeding device, the first welding device, the second welding device, the unqualified product discharging device and the qualified product discharging device, and is used for grabbing and carrying the lithium battery module and detecting whether the lithium battery module is qualified or not, wherein the first welding device is used for the lithium battery module welding device.
Adopt above-mentioned technical scheme's a lithium battery module welding tool's technical effect is through tool die clamping cylinder with the tight lift plate of tool clamp upwards promote, makes the clamping element on the upper portion of tool left side baffle and tool right side baffle press from both sides the lithium battery module tightly, has ensured the reliability of pressing from both sides tightly.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of a feeding device.
Fig. 3 is a schematic structural diagram of the first welding device.
Fig. 4 is a schematic structural view of the forward-backward moving assembly.
Fig. 5 is a schematic structural view of the rotating assembly.
Fig. 6 is a schematic structural view of the jig.
Fig. 7 is a schematic structural view of the left-right moving assembly.
Fig. 8 is a schematic view of the up-down moving assembly.
Fig. 9 is a schematic view of a welded assembly.
Fig. 10 is a schematic structural view of a defective product discharging device.
FIG. 11 is a schematic structural view of a non-defective product discharge device.
FIG. 12 is a schematic view of a non-defective discharge assembly.
Fig. 13 is a schematic structural view of the discharging gripper.
Fig. 14 is a schematic structural view of a lithium battery module.
Detailed description of the invention
As shown in fig. 1, the lithium battery module welding equipment comprises a bottom plate 1, a feeding device 2, a first welding device 3, a second welding device 4, a defective product discharging device 5, a qualified product discharging device 6 and a manipulator 7. Be equipped with support frame 11 on the bottom plate 1, support frame 11 is used for supporting first welding set 3 and second welding set 4, and the welding of first welding set 3 and second welding set 4 to lithium battery module of being convenient for. Feed arrangement 2 sets up on bottom plate 1, and feed arrangement 2 is used for the lithium cell module to feed. The first welding device 3 and the second welding device 4 are arranged on the bottom plate 1 in parallel, and the second welding device 4 is arranged on the right side of the first welding device 3 in a mirror image mode. The first welding device 3 is used for welding one side of the lithium battery module, and the second welding device 4 is used for welding the other side of the lithium battery module. The unqualified product discharging device 5 is arranged on the bottom plate 1, and the unqualified product discharging device 5 is used for discharging the unqualified product. Qualified product discharging device 6 sets up on bottom plate 1, and qualified product discharging device 6 is used for the ejection of compact to qualified product. Manipulator 7 links up between feed arrangement 2, first welding set 3, second welding set 4, defective products discharging device 5 and defective products discharging device 6, and manipulator 7 is used for snatching and carrying lithium cell module to and whether it is qualified to detect lithium cell module.
As shown in fig. 2, the feeding device 2 includes a feeding frame 21, a feeding conveyor belt assembly 22, a first feeding assembly 23, and a second feeding assembly 24. The feeding conveyor belt assembly 22 drives the first feeding assembly 23 and the second feeding assembly 24 to feed alternately, so that the feeding efficiency is improved. The feeding frame 21 is arranged on the bottom plate 1. The feed conveyor assembly 22 includes a feed motor 221, a feed drive pulley 222, a feed driven pulley 223, and a feed belt 224. The feeding motor 221 is provided inside one end of the feeding frame 21. The feeding driving wheel 222 is disposed at the output end of the feeding motor 221. A feed follower 223 is provided at the other end of the feed carriage 21. The feeding belt 224 is installed between the feeding driving pulley 222 and the feeding driven pulley 223. The first feeding assembly 23 includes a first feeding support plate 231, a first feeding belt block 232, a first feeding drag chain 233, and a first feeding stopper 234. One end of the first feeding supporting plate 231 is pressed on one belt of the feeding belt 224 through the first feeding belt pressing block 232, and the first feeding supporting plate 231 is connected with the feeding belt 224 through the first feeding belt pressing block 232, so that the feeding stability is ensured. The other end of the first feeding supporting plate 231 is disposed on the feeding frame 21 by a first feeding drag chain 233, and the first feeding drag chain 233 further improves the supporting stability of the first feeding supporting plate 231 and facilitates the first feeding supporting plate 231 to move along with the feeding belt 224. The first feeding limiting blocks 234 are multiple, the first feeding limiting blocks 234 are all arranged at the top of the first feeding supporting plate 231, and the first feeding limiting blocks 234 are used for limiting the movement of the lithium battery module. The second feeding assembly 24 includes a second feeding support plate 241, a second feeding belt press block 242, a second feeding drag chain 243 and a second feeding limit block 244. One end of the second feeding support plate 241 is pressed on one belt of the feeding belt 224 through the second feeding belt press block 242, the belt connected with the second feeding support plate 241 is not positioned on the same side as the belt connected with the first feeding support plate 231, the second feeding support plate 241 is connected with the feeding belt 224 through the second feeding belt press block 242, the feeding stability is ensured, meanwhile, the second feeding support plate 241 is not positioned on the same side as the first feeding support plate 231, so that the second feeding support plate 241 and the first feeding support plate 231 can alternately feed, and the feeding efficiency is improved. The other end of the second feeding supporting plate 241 is disposed on the feeding frame 21 by a second feeding drag chain 243, and the second feeding drag chain 243 further improves the supporting stability of the second feeding supporting plate 241 and facilitates the second feeding supporting plate 241 to follow the feeding belt 224. The second feed support plate 241 is lower than the first feed support plate 231 so that the first feed support plate 231 and the second feed support plate 241 form an up-and-down alternate feed. The number of the second feeding limiting blocks 244 is multiple, the second feeding limiting blocks 244 are all arranged at the top of the second feeding supporting plate 241, and the second feeding limiting blocks 244 are used for limiting the movement of the lithium battery module.
When the feeding device 2 is operated, the feeding conveyor belt assembly 22 drives the first feeding assembly 23 to feed forwards, and meanwhile, the second feeding assembly 24 moves backwards to prepare for installing the lithium battery module to be welded on the second feeding assembly 24; after the first feeding assembly 23 finishes feeding, the first feeding assembly 23 moves backwards to prepare for installing the next group of lithium battery modules, and meanwhile, the second feeding assembly 24 moves forwards to feed, so that the first feeding assembly 23 and the second feeding assembly 24 are formed to feed alternately up and down.
The feeding device 2 solves the problem of low feeding efficiency, and the feeding device 2 has the advantage that the feeding efficiency is effectively improved by continuously feeding the first feeding component 23 and the second feeding component 24 alternately from top to bottom.
As shown in fig. 3 and 4, the first welding device 3 includes a forward and backward moving assembly 31, a rotating assembly 32, a leftward and rightward moving assembly 33, an upward and downward moving assembly 34, and a welding assembly 35. The front-back moving assembly 31 is used for adjusting the front-back position of the lithium battery module, the rotating assembly 32 is used for rotating and overturning the lithium battery module, the left-right moving assembly 33 is used for adjusting the left-right position of the welding assembly 35, the up-down moving assembly 34 is used for adjusting the up-down position of the welding assembly 35, and the welding assembly 35 is used for welding the lithium battery module. The back-and-forth moving assembly 31 includes a back-and-forth moving base 311, a back-and-forth moving motor 312, a back-and-forth moving screw member 313, a back-and-forth moving conveyor belt member 314, and a rotating assembly connecting plate 315. The forward/backward movement holder 311 is provided on the base plate 1. The front-rear moving motor 312 is disposed below the front-rear moving base 311. The forward-backward movement screw member 313 is provided inside the forward-backward movement seat 311. One end of the front-back moving conveyor belt component 314 is connected with the output end of the front-back moving motor 312, the other end of the front-back moving conveyor belt component 314 is connected with the front-back moving screw rod component 313, and the front-back moving motor 312 rotates to drive the front-back moving screw rod component 313 to rotate through the front-back moving conveyor belt component 314. The rotation member connection plate 315 is slidably installed at the upper portion of the front and rear moving base 311, and the lower portion of the rotation member connection plate 315 is engaged with the forward and rearward movement screw member 313.
When the forward-backward moving assembly 31 is operated, the forward-backward moving motor 312 drives the forward-backward moving conveyor belt member 314 to move, and the forward-backward moving conveyor belt member 314 drives the forward-backward moving screw rod member 313 to change the rotation into the linear movement, so that the rotating assembly connecting plate 315 moves forward and backward along with the forward-backward moving screw rod member 313.
The front-back movement assembly 31 solves the problem of front-back movement during the welding of the lithium battery module, and the front-back movement assembly 31 has the advantage that the rotation movement is changed into linear movement through the cooperation of the front-back movement motor 312 and the front-back movement screw rod component 313, so that the front-back movement of the rotating assembly connecting plate 315 is realized.
As shown in fig. 5, the rotating assembly 32 includes a rotating base 321, a first rotating motor 322, a first rotating conveyor component 323, a rotating tray frame 324, a second rotating motor 325, a second rotating conveyor component 326, a rotating positioning cylinder 327, a rotating positioning plate 328 and a jig 329; the rotating base 321 is arranged on the rotating assembly connecting plate 315; the first rotating motor 322 is vertically arranged at the lower part of the rotating base 321; the first rotating transmission belt component 323 is arranged inside the rotating base 321, and a driving wheel in the first rotating transmission belt component 323 is connected with the output end of the first rotating motor 322; the rotating disc frame 324 is arranged on a driven wheel in the first rotary transmission belt component 323; the second rotating motor 325 is arranged at the left end of the rotating tray frame 324; the second carousel 326 is disposed on the left side of the carousel frame 324, and a driving wheel of the second carousel 326 is engaged with an output end of the second rotating motor 325; the rotary positioning cylinder 327 is arranged on the right side surface of the rotary tray frame 324; the rotating positioning plate 328 is slidably mounted on the right side of the rotating base 321, and the rotating positioning plate 328 is connected to the output end of the rotating positioning cylinder 327. The jig 329 is disposed on the rotary tray frame 324 through a driving shaft 3241 and a driven shaft 3242, the driving shaft 3241 is engaged with a driven wheel of the second carousel 326, and the driven shaft 3242 is positioned on the right side surface of the rotary tray frame 324 through a rotation positioning plate 328.
When the rotating assembly 32 is operated, the first rotating motor 322 drives the first rotating belt 323 to rotate, so that the rotating disc frame 324 rotates in the horizontal plane, the position and the angle of the jig 329 are adjusted, the driving shaft 3242 is rotated by the second rotating motor 325, so that the jig 329 makes cradle motion on the rotating disc frame 324, the position of the jig 329 is further adjusted, and the rotating positioning cylinder 327 drives the rotating positioning plate 328 to position the jig.
The rotating assembly 32 solves the problem that the lithium battery module is difficult to rotate during welding, and the rotating assembly 32 has the advantages that the first rotating conveyor belt component 323 is driven to rotate by the first rotating motor 322, so that the rotating plate frame 324 can rotate in the horizontal plane, the position and the angle of the lithium battery module can be conveniently adjusted, the driving shaft 3242 is rotated by the second rotating motor 325, the jig 329 can move on the rotating plate frame 324 in a cradle manner, the position of the lithium battery module can be further adjusted, and subsequent welding operation can be facilitated.
As shown in fig. 6, the jig 329 includes a jig left side baffle 3291, a jig right side baffle 3292, a jig bottom plate 3293, a jig welding side plate 3294, a jig clamping cylinder 3295, a jig left side clamping assembly 3296 and a jig right side clamping assembly 3297; both sides all are equipped with the boss around tool left side baffle 3291 bottom, the installation of the tool bottom plate 3293 of being convenient for. The upper part of the jig left baffle 3291 is provided with a groove, so that the jig left clamping assembly 3296 can be conveniently installed to clamp the lithium battery module; the structure of the jig right baffle 3292 is the same as that of the jig left baffle 3291; tool bottom plate 3293 sets up between tool left side baffle 3291 and tool right side baffle 3292, and tool bottom plate 3293 has four angles, sets up on four bosss of tool left side baffle 3291 and tool right side baffle 3292 through these four angles, has guaranteed the stability of tool bottom plate 3293 installation. The upper portion of the jig bottom plate 3293 is provided with a base plate 32931 used for installing the lithium battery module, the inside of the base plate 32931 is provided with a sensing pin 32932, and the sensing pin 32932 is used for sensing whether the lithium battery module exists. Jig welding side plate 3294 has two, sets up respectively in the front and back both sides of jig bottom plate 3293, has a plurality of welding grooves that are used for welder to stretch into on jig welding side plate 3294. Jig die clamping cylinder 3295 is installed at the lower terminal surface of jig bottom plate 3293, and jig die clamping cylinder 3295's output is connected with cylinder connecting block 32951, and cylinder connecting block 32951 is installed in deflector 32952 lower part, and deflector 32952 slides through four guide pillars 32953 and sets up in jig left side baffle 3291 and jig right side baffle 3292 lower part. Jig left clamp assembly 3296 includes jig left riser 32961, clamp plate 32962, and clamp link 32963. Jig left side riser 32961 is provided on guide plate 32952, and jig left side riser 32961 is on the left side that is located jig left side baffle 3291. The clamping plate 32962 is in a bow shape, the middle of the clamping plate 32962 is arranged in the middle of the top of the left vertical plate 32961 of the jig, the front end and the rear end of the clamping plate 32961 are used for clamping, and a rubber pad is arranged at the clamping position and used for buffering. The number of the clamping connecting rods 32963 is two, the lower end of the clamping connecting rod 32963 is hinged to the left baffle 3291 of the jig, and the upper end of the clamping connecting rod 32963 is hinged to a bow-shaped groove of the left clamping plate 3296; jig right side clamping assembly 3297 structure is the same with jig left side clamping assembly 3296, and jig right side clamping assembly 3297 sets up on deflector 32952, and jig right side clamping assembly 3297 is located the right side of jig right side baffle 3292.
When tool 329 moves, tool clamp cylinder 3295 drives cylinder connecting block 32951 and upwards lifts deflector 32952 for tool left side clamp assembly 3296 and tool right side clamp assembly 3297 on it move upwards, and clamp plate 32961 is upset down under the effect of clamping connecting rod 32963, presss from both sides tightly the lithium cell module.
Jig 329 has solved the tight problem of jig, and jig 329's advantage is through the articulated of connecting rod 32963 and clamp plate 32961, and ingenious realization is pressed from both sides tightly of lithium cell module.
As shown in fig. 7, the left-right moving assembly 33 includes a left-right moving base 331, a left-right moving motor 332, a left-right moving screw member 333, and a left-right moving connecting plate 334. The right and left movement base 331 is provided on the support frame 11. The left-right moving motor 332 is transversely installed at the left side of the left-right moving base 331. The left-right moving screw rod member 333 is transversely arranged inside the left-right moving seat 331, and the left-right moving screw rod member 333 is connected with an output end of the left-right moving motor 332. The left and right moving connecting plate 334 is slidably disposed on the left and right moving base 331, and the right moving connecting plate 334 is connected to the left and right moving screw member 333, and the left and right moving connecting plate 334 moves left and right by the left and right moving screw member 333.
When the left-right moving component 33 moves, the left-right moving motor 332 drives the left-right moving screw rod member 333 to rotate, and the left-right moving screw rod member 333 drives the left-right moving connecting plate 334 to move left and right.
The left-right moving assembly 33 solves the problem of left-right moving of the welding assembly 35, and the left-right moving assembly 33 has the advantages that the left-right moving connecting plate 334 moves left and right through the matching of the left-right moving motor 332 and the left-right moving screw rod component 333, so that the left and right moving of the welding assembly 35 is facilitated, and the welding quality is improved.
As shown in fig. 8, the up-down moving assembly 34 includes an up-down moving base 341, an up-down moving motor 342, an up-down moving screw member 343, and a welding assembly connecting plate 344. The up-down moving base 341 is provided on the left-right moving link plate 334. The up-and-down moving motor 342 is vertically provided at the upper portion of the up-and-down moving base 341. The up-down moving screw member 343 is vertically disposed inside the up-down moving base 341, and the up-down moving screw member 343 is engaged with an output end of the up-down moving motor 342. The welding assembly connecting plate 344 is slidably disposed on the up-and-down moving base 341, the welding assembly connecting plate 344 is connected to the up-and-down moving screw member 343, and the welding assembly connecting plate 344 moves up and down through the up-and-down moving screw member 343.
When the up-down moving assembly 34 moves, the up-down moving motor 342 drives the up-down moving screw member 343 to rotate, and the up-down moving screw member 343 drives the welding assembly connecting plate 344 to move up and down.
The up-down moving assembly 34 solves the problem that the welding assembly 35 moves up and down, and the up-down moving assembly 34 has the advantages that the up-down moving motor 342 is matched with the up-down moving screw rod component 343, so that the up-down moving of the welding assembly connecting plate 344 is realized, the up-down moving of the welding assembly 35 is facilitated, and the welding quality is further improved.
As shown in fig. 9, the welding assembly 35 includes a weld trim cylinder 351, a weld trim cylinder mounting plate 352, a welding head 353, and a welding pin 354. Weld trim cylinder 351 is mounted to weld stack attachment plate 344 by weld trim cylinder mounting plate 352. A welding head 353 is provided on the welding trimming cylinder 351. The welding pins 354 are disposed at the lower portion of the welding head 353, and the welding pins 354 are used to weld one side of the lithium battery module.
When the welding module 35 is operated, the welding fine adjustment cylinder 351 fine-adjusts the position of the welding head 353, and performs a welding operation on the lithium battery module after adjustment.
The welding assembly 35 solves the problem of low welding precision, and the welding assembly 35 has the advantages that the welding fine adjustment cylinder 351 continuously adjusts the position of the welding head 353, so that the welding precision is improved.
As shown in fig. 10, the defective product discharge device 5 includes a defective product discharge rack 51, a defective product discharge cylinder 52, a pusher 53, and a defective product placement rack 54. The unqualified product discharging frame 51 is arranged at the unqualified product discharging end of the bottom plate 1, a discharging transmission shaft is arranged at the discharging port at the top of the unqualified product discharging frame 51, and the discharging transmission shaft is used for discharging the unqualified product. The defective product discharge cylinder 52 is provided at the top of the defective product discharge rack 51. The pushing block 53 is arranged at the output end of the unqualified product discharging air cylinder 52, and the pushing block 53 is used for pushing the unqualified product. The unqualified product placing frame 54 is arranged on the bottom plate 1, and the unqualified product placing frame 54 is connected with the discharging end of the unqualified product discharging frame 51. The manipulator 7 is arranged on top of the reject holding rack 54.
When the qualified product discharging device 5 acts, the manipulator 7 grabs the unqualified lithium battery module to the top of the unqualified product discharging frame 51, and the unqualified product discharging cylinder 52 pushes the pushing block 53 to push the unqualified product into the unqualified product placing frame 54.
The qualified product discharging device 5 solves the problem of discharging of unqualified products, and the qualified product discharging device 5 has the advantages that the unqualified products are independently processed through the mechanical arm 7 and the unqualified product discharging cylinder 52, so that the product quality is ensured.
As shown in fig. 11, 12 and 13, the non-defective product discharging device 6 includes a non-defective product discharging unit 61 and a non-defective product discharging gripper unit 62. The qualified product discharging assembly 61 is used for discharging qualified products, and the qualified product discharging assembly 61 comprises a qualified product discharging seat 611, a rodless cylinder 612, a qualified product mounting frame 613 and a qualified product discharging drag chain 614. The qualified product discharging seat 611 is arranged on the qualified product discharging end of the bottom plate 1. The rodless cylinder 612 is disposed on top of the accept outfeed block 611. The qualified product mounting rack 613 is slidably arranged on the rodless cylinder 612, and a clamp 6131 for mounting the lithium battery module is arranged at the top of the qualified product mounting rack 613. The lower part of the qualified product discharging drag chain 614 is arranged on the side surface of the qualified product discharging seat 611, the upper part of the qualified product discharging drag chain 614 is arranged on the side surface of the qualified product mounting frame 613, and the qualified product discharging drag chain 614 drags the qualified product mounting frame 613 to move through the rodless cylinder 612. The qualified product discharging gripper assembly 62 comprises a gripper support 621, a boom 622, a boom motor 623, a gripper cylinder 624 and a gripper 625. The hand grip support 621 is arranged on the bottom plate 1, and the hand grip support 621 is located at the discharging end of the qualified product discharging assembly 61. The suspension arm 622 is arranged on the upper portion of the hand grip support 621, and the suspension arm 622 is provided with a rack 6221. Boom motor 623 is disposed on rack 6221. The gripper cylinder 624 is slidably disposed on the boom 622, the gripper cylinder 624 is fixedly connected to the boom motor 623, and the gripper cylinder 624 is connected to the boom 622 via a gripper chain 6241. A gripper 625 is provided at the output end of the gripper cylinder 624.
When the qualified product discharging device 6 acts, the rodless cylinder 612 drives the qualified product mounting frame 613 to move forward to the discharging end of the qualified product discharging seat 611, and the lifting arm motor 623 and the gripper cylinder 624 adjust the gripper to grip the lithium battery module and then discharge the lithium battery module.
The problem of the unstable ejection of compact of lithium battery module has been solved to certified products discharging device 6, and certified products discharging device 6's advantage is that rodless cylinder 612 and certified products ejection of compact tow chain 614 move together, stability when having guaranteed the ejection of compact.
A lithium battery module welding method adopts lithium battery module welding equipment, and sequentially comprises the following steps:
feeding a lithium battery module: the lithium battery modules are alternately fed by the first feeding assembly 23 and the second feeding assembly 24 through the feeding conveyor belt assembly 22, and the lithium battery modules are placed on the jigs 329 of the first welding device 3 and the second welding device 4 through the manipulator 7.
(II) welding the lithium battery module: the position of the lithium battery module on the jig 329 is continuously adjusted by the cooperation of the front-back moving assembly 31, the rotating assembly 32, the left-right moving assembly 33 and the up-down moving assembly 34, and the welding assembly 35 performs welding operation on the lithium battery module.
(III) discharging unqualified products: the manipulator 7 grabs the lithium battery module which is detected to be welded unqualified on the qualified product discharging frame 51, and the unqualified product discharging cylinder 52 drives the pushing block 53 to push the unqualified product into the unqualified product placing frame 54.
(IV) discharging qualified products: the manipulator grabs the qualified lithium battery module to qualified product discharging assembly 61, the qualified product is sent to the discharging end of qualified product discharging seat 611 through rodless cylinder 612, the positions of the hand grips 625 are adjusted by suspension arm motor 623 and hand grip cylinder 624, and the qualified product is grabbed and discharged by the hand grips 625.
The device drives a first feeding assembly 23 to feed forwards through a feeding conveyor belt assembly 22, and simultaneously, a second feeding assembly 24 moves backwards to prepare for mounting a lithium battery module to be welded on the second feeding assembly 24; after the first feeding assembly 23 finishes feeding, the first feeding assembly 23 moves backwards to prepare for installing the next group of lithium battery modules, and meanwhile, the second feeding assembly 24 moves forwards to feed, so that the first feeding assembly 23 and the second feeding assembly 24 are formed to feed alternately up and down. The feeding efficiency is effectively improved by continuously feeding the first feeding assembly 23 and the second feeding assembly 24 alternately up and down. The forward-backward movement motor 312 drives the forward-backward movement conveyor belt member 314 to move, and the forward-backward movement conveyor belt member 314 drives the forward-backward movement screw rod member 313 to change the rotation into the linear movement, so that the rotating assembly connecting plate 315 moves forward and backward along with the forward-backward movement screw rod member 313. The back-and-forth movement assembly 31 has an advantage in that the back-and-forth movement of the rotation assembly connection plate 315 is achieved by converting the rotation motion into the linear movement through the cooperation of the back-and-forth movement motor 312 and the back-and-forth movement screw member 313. The jig clamping and lifting plate 3293 is lifted upwards through the jig clamping cylinder 3292, the clamping element 32951 rotates to clamp the lithium battery module, the first rotating motor 322 drives the first rotating conveyor belt member 323 to rotate, the rotating disc frame 324 rotates in the horizontal plane, the position and the angle of the jig 329 are adjusted, the driving shaft 3242 is rotated through the second rotating motor 325, the jig 329 makes cradle motion on the rotating disc frame 324, and the position of the jig 329 is further adjusted. The rotating assembly 32 has the advantages that the first rotating motor 322 drives the first rotating transmission belt member 323 to rotate, so that the rotating tray frame 324 rotates in the horizontal plane, the position and the angle of the lithium battery module are convenient to adjust, the second rotating motor 325 rotates the driving shaft 3242, the jig 3241 makes cradle motion on the rotating tray frame 324, the position of the lithium battery module is further adjusted, and the subsequent welding operation is convenient.
The left and right moving motor 332 drives the left and right moving screw rod member 333 to rotate, and the left and right moving screw rod member 333 drives the left and right moving connecting plate 334 to move left and right. The left-right moving assembly 33 has the advantages that the left-right moving connecting plate 334 moves left and right through the matching of the left-right moving motor 332 and the left-right moving screw rod component 333, the left and right movement of the welding assembly 35 is facilitated, and the welding quality is improved. The up-down moving screw rod component 343 is driven to rotate by the up-down moving motor 342, and the up-down moving screw rod component 343 drives the welding assembly connecting plate 344 to move up and down. The up-down moving assembly 34 has the advantages that the up-down moving motor 342 is matched with the up-down moving screw rod component 343, so that the welding assembly connecting plate 344 can move up and down, the up-down moving of the welding assembly 35 is facilitated, and the welding quality is further improved. The position of the welding head 353 is finely adjusted through the welding fine adjustment cylinder 351, and the lithium battery module is welded after adjustment. The advantage of the welding assembly 35 is that the weld trim cylinder 351 continuously adjusts the position of the weld head 353, improving the accuracy of the weld. The unqualified lithium battery module to be detected is grabbed to the top of the unqualified product discharging frame 51 through the manipulator 7, and the unqualified product discharging cylinder 52 pushes the pushing block 53 to push the unqualified product into the unqualified product placing frame 54. The qualified product discharging device 5 has the advantages that the unqualified products are independently processed through the mechanical arm 7 and the unqualified product discharging cylinder 52, and the product quality is ensured. The rodless cylinder 612 drives the qualified product mounting frame 613 to move forward to the discharging end of the qualified product discharging seat 611, and the lifting arm motor 623 and the gripper cylinder 624 adjust the gripper to grip the lithium battery module and then discharge the lithium battery module. The qualified product discharging device 6 has the advantages that the rodless cylinder 612 and the qualified product discharging drag chain 614 move together, so that the stability during discharging is ensured.
Claims (7)
1. A lithium battery module welding jig is characterized in that the jig (329) comprises a jig left side baffle (3291), a jig right side baffle (3292), a jig bottom plate (3293), a jig welding side plate (3294), a jig clamping cylinder (3295), a jig left side clamping assembly (3296) and a jig right side clamping assembly (3297); the jig clamping cylinder (3295) is installed on the lower end face of the jig base plate (3293), the output end of the jig clamping cylinder (3295) is connected with a cylinder connecting block (32951), the cylinder connecting block (32951) is installed on the lower portion of a guide plate (32952), and the guide plate (32952) is arranged on the lower portions of a jig left side baffle plate (3291) and a jig right side baffle plate (3292) in a sliding mode through four guide posts (32953); the jig left clamping assembly (3296) comprises a jig left vertical plate (32961), a clamping plate (32962) and a clamping connecting rod (32963); the jig left vertical plate (32961) is arranged on the guide plate (32952), and the jig left vertical plate (32961) is positioned on the left side of the jig left baffle (3291); the clamping plate (32962) is in a bow shape, the middle of the clamping plate (32962) is arranged in the middle of the top of the vertical plate (32961) on the left side of the jig, and the front end and the rear end of the clamping plate (32961) are used for clamping; the number of the clamping connecting rods (32963) is two, the lower end of each clamping connecting rod (32963) is hinged to a left baffle (3291) of the jig, and the upper end of each clamping connecting rod (32963) is hinged to a 'bow' -shaped groove of a left clamping plate (3296); tool right side clamping component (3297) structure the same with tool left side clamping component (3296), tool right side clamping component (3297) sets up on deflector (32952), and tool right side clamping component (3297) is located the right side of tool right side baffle (3292).
2. The lithium battery module welding jig of claim 1, wherein bosses are arranged on the front side and the rear side of the bottom of the left baffle plate (3291) of the jig, and a groove is arranged on the upper part of the left baffle plate (3291) of the jig; the structure of the right side baffle (3292) of the jig is the same as that of the left side baffle (3291) of the jig.
3. The lithium battery module welding jig of claim 1, wherein the jig base plate (3293) is disposed between the jig left side baffle plate (3291) and the jig right side baffle plate (3292), the jig base plate (3293) has four corners, the four corners are disposed on four bosses of the jig left side baffle plate (3291) and the jig right side baffle plate (3292), and a pad plate (32931) for mounting the lithium battery module is disposed on the upper portion of the jig base plate (3293).
4. The lithium battery module welding jig of claim 1, wherein the inside of the base plate (32931) is provided with a sensing pin (32932), and the sensing pin (32932) is used for sensing whether the lithium battery module exists or not.
5. The lithium battery module welding jig of claim 1, wherein the jig welding side plates (3294) are provided with two pieces, which are respectively arranged on the front side and the rear side of the jig bottom plate (3293), and the jig welding side plates (3294) are provided with a plurality of welding grooves for a welding gun to extend into.
6. A lithium battery module welding device is characterized by comprising a bottom plate (1), a front-back moving assembly (31), a rotating assembly (32), a left-right moving assembly (33), an up-down moving assembly (34) and a welding assembly (35); the front-back moving assembly (31) is used for adjusting the front-back position of the lithium battery module; the rotating assembly (32) is used for rotating and overturning the lithium battery module; the left-right moving assembly (33) is used for adjusting the left-right position of the welding assembly; the up-down moving assembly (34) is used for adjusting the up-down position of the welding assembly (35); the welding assembly (35) is used for welding the lithium battery module; the rotating assembly (32) comprises a rotating base (321), a first rotating motor (322), a first rotating conveyor belt component (323), a rotating disc rack (324), a second rotating motor (325), a second rotating conveyor belt component (326), a rotating positioning cylinder (327), a rotating positioning plate (328) and a jig (329); the jig adopts the lithium battery module welding jig of claim 1.
7. The lithium battery module welding equipment is characterized by comprising a base plate (1), a feeding device (2), a first welding device (3), a second welding device (4), an unqualified product discharging device (5), a qualified product discharging device (6) and a manipulator (7); the first welding device (3) adopts a lithium battery module welding device as claimed in claim 6.
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Effective date of registration: 20210926 Address after: 213299 No. 2, building 25, No. 249, Liangchang Middle Road, Jincheng Town, Jintan District, Changzhou City, Jiangsu Province Applicant after: Changzhou PanYun Precision Machinery Co.,Ltd. Address before: 315301 No.62 Lixin Road, Xinjie village, Zonghan street, Cixi City, Ningbo City, Zhejiang Province Applicant before: Zhang Jun |
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