CN112139740A - Tab welding system - Google Patents
Tab welding system Download PDFInfo
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- CN112139740A CN112139740A CN202011064447.7A CN202011064447A CN112139740A CN 112139740 A CN112139740 A CN 112139740A CN 202011064447 A CN202011064447 A CN 202011064447A CN 112139740 A CN112139740 A CN 112139740A
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- tab
- pressing
- module
- pressure head
- battery module
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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
- 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
- B23K37/0461—Welding tables
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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
- B23K37/02—Carriages for supporting the welding or cutting element
- B23K37/0247—Driving means
Abstract
The embodiment of the invention relates to the field of processing of soft package batteries, and discloses a tab welding system, which comprises: the soft-package battery module positioning device, the tab compressing device and the tab welding device are arranged on the outer side of the soft-package battery module; the lug pressing assembly comprises a slidable pressing assembly mounting plate, two telescopic cylinders which are symmetrically arranged, two lug pressing heads which are symmetrically arranged and two pressing head sliding seats which are symmetrically arranged; the fixed ends of the two telescopic cylinders are hinged on the pressing component mounting plate, the movable end of one telescopic cylinder is hinged on one pressing head sliding seat, and the movable end of the other telescopic cylinder is hinged on the other pressing head sliding seat; the two pressure head sliding seats are both arranged on the pressing component mounting plate in a sliding manner, and the sliding directions of the pressure head sliding seats and the pressing component mounting plate are vertical; and the tab pressing head is arranged on the pressing head sliding seat. The tab welding system provided by the embodiment of the invention has the advantages that the structure is simple, the use is convenient, the welded junction plate can be effectively contacted with the tab, the welding effect is good, and the quality of the soft package battery cell module is improved.
Description
Technical Field
The invention relates to the technical field of processing of soft package batteries, in particular to a tab welding system.
Background
The soft package battery has the advantages of lightness, thinness, long cycle life, good safety performance, high energy density, stable discharge, excellent performance, environmental protection, no pollution and the like, and is widely applied to various fields of electric bicycles, electric motorcycles, electric automobiles, solar photovoltaic power generation systems, wind power generation systems, mobile communication base stations, large-scale server standby UPS power supplies, emergency lighting, portable mobile power supplies, mine safety equipment and the like.
The battery module of the power battery is formed by connecting a plurality of monomer battery cores in series and parallel through conductive connecting pieces. Be equipped with on the monomer electricity core and be used for electrically conductive utmost point ear, converge the dish and as a common electrically conductive connecting piece for carry out the electricity to the utmost point ear of different monomer electricity core soil and connect. The connection mode of the pole ear and the conductive connecting piece is commonly in three modes of welding, screwing and mechanical repulsion.
Because the battery module is formed by connecting a plurality of monomer electric cores in series-parallel through the conductive connecting piece, most laminate polymer batteries on the market realize the series-parallel connection between the monomer electric cores through converging the dish. The existing tab welding equipment easily causes that a welded bus disc cannot be effectively contacted with a tab, so that the welding effect is poor.
Disclosure of Invention
The embodiment of the invention provides a tab welding system, which is used for solving or partially solving the problem of poor welding effect of the conventional tab.
The embodiment of the invention provides a tab welding system, which comprises: the device comprises a soft-package battery module positioning device, a tab compressing device and a tab welding device, wherein the soft-package battery module positioning device is used for positioning a soft-package battery module, the tab compressing device is used for enabling a tab to be attached to a bus disc, and the tab welding device is used for welding the tab to the bus disc;
the lug pressing device comprises a lug pressing assembly, and the lug pressing assembly comprises a slidable pressing assembly mounting plate, two telescopic cylinders which are symmetrically arranged, two lug pressing heads which are symmetrically arranged and two pressing head sliding seats which are symmetrically arranged;
the fixed ends of the two telescopic cylinders are hinged to the pressing component mounting plate, the movable end of one telescopic cylinder is hinged to one pressing head sliding seat, and the movable end of the other telescopic cylinder is hinged to the other pressing head sliding seat; the two pressure head sliding seats are both slidably mounted on the pressing component mounting plate, and the sliding directions of the pressure head sliding seats and the pressing component mounting plate are perpendicular; one the utmost point ear pressure head is installed one on the pressure head slide, another the utmost point ear pressure head is installed another on the pressure head slide.
On the basis of the technical scheme, the tab pressing device further comprises a first displacement sensor for detecting the displacement of one tab pressure head and a third displacement sensor for detecting the displacement of the other tab pressure head.
On the basis of the technical scheme, the lug pressing device further comprises a second displacement sensor used for detecting the distance between the lug and the bus disc.
On the basis of the technical scheme, the tab welding system further comprises two groups of dust pumping assemblies, each dust pumping assembly comprises a dust pumping pipe, and each tab pressing head is provided with an air pumping through hole; the air inlet end of one dust pumping pipe arranged on one lug pressure head faces the air pumping through hole, and the air inlet end of the other dust pumping pipe arranged on the other lug pressure head faces the air pumping through hole.
On the basis of the technical scheme, each pole lug pressure head in a hollow structure is correspondingly provided with a plurality of air blowing holes at the air exhaust through hole.
On the basis of the technical scheme, the positioning device for the soft package battery module comprises a first module clamping assembly and a second module clamping assembly which are used for clamping the soft package battery module from different directions;
the first module clamping assembly comprises a positioning cylinder and a pressing cylinder, the movable end of the positioning cylinder is sequentially connected with a positioning side pressing block and a positioning side cushion block, and the movable end of the pressing cylinder is sequentially connected with a pressing side pressing block and a pressing side cushion block; the second module clamping component comprises a clamping jaw cylinder, and a first clamping jaw and a second clamping jaw which are symmetrically arranged are arranged on two sides of the clamping jaw cylinder.
On the basis of the technical scheme, the first clamping jaw and the second clamping jaw respectively comprise an L-shaped connecting plate connected with the movable end of the clamping jaw air cylinder, and an inverted U-shaped plate connected with the L-shaped connecting plate.
On the basis of above-mentioned technical scheme, laminate polymer battery module positioner is still including the frock board that is used for placing the laminate polymer battery module, the frock board includes the base plate and is located module on the base plate holds in the palm the strip the module side stopper and the module side that install symmetrical arrangement respectively on the relative both sides face of module support strip press from both sides tight piece, module side stopper and module side press from both sides tight piece and all are L shape structure.
On the basis of the technical scheme, the positioning device for the soft package battery module further comprises a belt conveyor for conveying the tooling plate.
On the basis of the technical scheme, the tab welding device comprises a welding assembly, wherein the welding assembly comprises a galvanometer welding head, an image acquisition module, a first sliding table and a second sliding table;
the second sliding table is arranged on the first sliding table, the galvanometer welding head is arranged on the second sliding table, and the moving directions of the first sliding table and the second sliding table are vertical; the image acquisition module is installed on the first sliding table through a lifting piece.
According to the tab welding system provided by the embodiment of the invention, firstly, the soft package battery module is positioned through the soft package battery module positioning device; after the positioning is finished, the pressing head sliding seat is moved to a working area through the sliding of the pressing component mounting plate; after the adjustment of the pressure head sliding seat is finished, the tab pressure head moves towards the tab through the work of the telescopic cylinder, so that the tab pressure head compresses the tab; and finally, welding the lug and the bus disc through a lug welding device so as to complete lug welding. The tab welding system provided by the embodiment of the invention has the advantages that the structure is simple, the use is convenient, the welded junction plate can be effectively contacted with the tab, the welding effect is good, and the quality of the soft package battery cell module is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
Fig. 1 is a schematic structural view of a tab welding system according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a welded assembly according to an embodiment of the present invention;
fig. 3 is a schematic structural view of a tab compressing assembly according to an embodiment of the present invention;
FIG. 4 is a schematic structural view of a dust extraction assembly according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a positioning device for a pouch battery module according to an embodiment of the present invention;
FIG. 6 is a schematic structural view of a first module clamping assembly according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of a tooling plate according to an embodiment of the present invention.
Reference numerals:
1. welding the assembly; 11. a galvanometer welding head; 12. a camera; 13. an air curtain; 2. a tab compression assembly; 201. a hold-down assembly mounting plate; 202. a cylinder mounting seat; 203. a telescopic cylinder; 204. a first displacement sensor; 205. a second displacement sensor; 206. a tab pressing head; 207. a ram slide; 208. a baffle plate; 209. a pressure head slide seat mounting seat; 210. a dust extraction assembly; 2101. a dust extraction pipe; 2102. a pipe joint; 2103. a dust extraction pipe support; 2104. a fixed block; 2105. an air exhaust through hole; 2106. a gas blowing hole; 3. a box body; 4. the soft package battery module positioning device; 41. a first module clamping assembly; 411. a pressing cylinder; 412. a compression side compression block; 413. compressing the side cushion blocks; 414. positioning the air cylinder; 415. positioning a side compression block; 416. positioning a side cushion block; 42. a second module clamping assembly; 43. a soft-package battery module; 44. a belt conveyor; 45. assembling a plate; 451. a substrate; 452. a module supporting strip; 453. a module side limiting block; 454. a module side surface clamping block; 455. and a roller.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The battery module comprises a plurality of monomer battery cores, the monomer battery cores are divided into a positive pole and a negative pole, and the pole lugs are metal conductors which are led out of the positive pole and the negative pole from the monomer battery cores. A plurality of monomer electricity core has constituteed the battery module after the series-parallel connection. Series-parallel connection between the monomer electric cores is through electric conductor connection, and is common, through converging the dish as electrically conductive connecting piece, the utmost point ear on the different monomer electric cores is connected with the dish electricity that converges to the series-parallel connection between the monomer electric core has been realized.
Fig. 1 is a schematic structural view of a tab welding system according to an embodiment of the present invention, and as shown in fig. 1, the tab welding system according to the embodiment of the present invention includes: the device comprises a soft-package battery module positioning device 4 for positioning the soft-package battery module, a tab pressing device for enabling a tab to be attached to a bus plate, and a tab welding device for welding the tab and the bus plate;
as shown in fig. 3, the tab compressing apparatus includes a tab compressing assembly 2, and the tab compressing assembly 2 includes a slidable compressing assembly mounting plate 201, two telescopic cylinders 203 symmetrically arranged, two tab pressing heads 206 symmetrically arranged, and two pressing head sliding seats 207 symmetrically arranged;
the fixed ends of the two telescopic cylinders 203 are hinged on the pressing component mounting plate 201, the movable end of one telescopic cylinder 203 is hinged on one pressure head sliding seat 207, and the movable end of the other telescopic cylinder 203 is hinged on the other pressure head sliding seat 207;
the two pressure head sliding seats 207 are both arranged on the pressing component mounting plate 201 in a sliding manner, and the sliding directions of the pressure head sliding seats 207 and the pressing component mounting plate 201 are vertical; one tab press 206 is mounted on one press slide 207 and the other tab press 206 is mounted on the other press slide 207.
It should be noted that, through the independent sliding of the two pressure head sliding bases 207 of the independent driving cooperation of the two telescopic cylinders 203, the two tab pressure heads 206 can work independently, so as to adapt to the soft package battery modules with different specifications.
It can be understood that the ram slider 207 is perpendicular to the sliding direction of the pressing assembly mounting plate 201, that is, the pressing assembly mounting plate 201 slides along the X-axis direction, and the ram slider 207 slides along the Y-axis direction. The pressing assembly mounting plate 201 serves as a part of a third sliding table, a power mechanism of the third sliding table is a ball screw, and a power source of the ball screw can be a servo motor. The third sliding table can be fixed by two vertically arranged supports, and the position of the tab pressing head 206 can be matched with the position of the tab by the height of the supports. The power supply of pressure head slide 207 is telescopic cylinder 203, and through telescopic cylinder 203's extension motion, utmost point ear pressure head 206 moves towards utmost point ear, telescopic cylinder 203's the motion that shortens, and utmost point ear pressure head 206 deviates from utmost point ear motion.
It can be understood that the tab pressure head 206 in a rectangular structure is matched with the tab, that is, the shape and size of the tab pressure head 206 are the same as those of the tab. Wherein, in order to facilitate the replacement and maintenance of the tab pressure head 206, the tab pressure head 206 is detachably mounted on the pressure head sliding seat 207, for example, the tab pressure head 206 is mounted on the pressure head sliding seat 207 by means of a snap-fit connection.
In the embodiment of the invention, the soft-package battery module is positioned by the soft-package battery module positioning device 4; after the positioning is finished, the pressing head sliding seat 207 moves to a working area through the sliding of the pressing component mounting plate 201; after the adjustment of the pressure head sliding seat 207 is completed, the tab pressure head 206 moves towards the tab through the work of the telescopic cylinder 203, so that the tab pressure head 206 compresses the tab; and finally, welding the lug and the bus disc through a lug welding device so as to complete lug welding. The tab welding system provided by the embodiment of the invention has the advantages that the structure is simple, the use is convenient, the welded junction plate can be effectively contacted with the tab, the welding effect is good, and the quality of the soft package battery cell module is improved.
Based on the above example, the tab pressing head 206 is made of red copper.
It should be noted that, during the press welding, the instantaneous temperature is high. Utmost point ear pressure head 206 compresses tightly the laminating with utmost point ear and converge the dish, because red copper has fine heat conductivility, its radiating effect is better, has guaranteed welded quality and effect.
As shown in fig. 4, the tab welding system further includes two sets of dust pumping assemblies 210, each dust pumping assembly 210 includes a dust pumping pipe 2101, and each tab pressure head 206 is provided with an air pumping through hole 2105; the air inlet end of one dust extraction pipe 2101 mounted on one tab pressure head 206 is arranged towards the air extraction through hole 2105, and the air inlet end of the other dust extraction pipe 2101 mounted on the other tab pressure head 206 is arranged towards the air extraction through hole 2105.
It should be noted that the tab pressure head 206 is provided with an air exhaust through hole 2105 penetrating through two opposite side surfaces, and an air extractor can be installed at the air outlet end of the dust exhaust pipe 2101.
In the embodiment of the invention, when the tab is welded, welding smoke dust enters the air exhaust through hole 2105 and is exhausted by the dust exhaust pipe 2101; after the tab welding is completed, the tab pressing head 206 is moved away from the tab by the operation of the telescopic cylinder 203. The electrode lug and the bus disc are tightly pressed by the electrode lug pressing head, so that the bus disc can be prevented from moving in the welding process, and the stability and the accuracy of the welding process are improved; welding smoke is discharged in time, and welding quality is improved.
On the basis of the above embodiment, the tab pressure head 206 with a hollow structure is correspondingly provided with a plurality of air blowing holes 2106 at the air exhaust through hole 2105.
Note that, in order to protect the tab and the bus plate, a protective gas, for example, nitrogen gas, is supplied through the gas blowing holes 2106 at the time of welding. Wherein, a pipe joint 2102 for installing a pipe is arranged on the tab pressing head 206, and nitrogen conveyed through the pipe finally flows out from the blowing hole 2106.
It will be appreciated that the tab pressure head 206 is mounted to the pressure head slide 207 via a mounting block 2104, and the dust tube 2101 is secured to the mounting block 2104 via a dust tube bracket 2103.
On the basis of the above embodiment, the tab compressing device further includes a cylinder mounting seat 202 installed on the compressing assembly mounting plate 201, and the fixed end of the telescopic cylinder 203 is hinged on the cylinder mounting seat 202.
It should be noted that, in order to improve the operation stability of the telescopic cylinder 203, the fixed end of the telescopic cylinder 203 is hinged to the cylinder mounting base 202 through a rotating shaft. Wherein the cylinder mount 202 is detachably mounted on the hold-down assembly mounting plate 201.
On the basis of the above embodiment, the tab pressing device further includes a pressure head slide seat mounting seat 209 installed on the pressing assembly mounting plate 201, and the pressure head slide seat 207 is slidably installed on the pressure head slide seat mounting seat 209.
It should be noted that, in order to realize the sliding connection, a guide rail is provided on the ram slide mount 209, and a groove adapted to the guide rail is provided at the bottom of the ram slide 207, so as to realize the sliding connection between the ram slide mount and the ram slide. Wherein the ram slide mount 209 is removably mounted to the hold down assembly mounting plate 201.
It will be appreciated that the ram slide mount 209 and the cylinder mount 202 are located at opposite ends of the hold down assembly mounting plate 201.
On the basis of the above embodiment, the end surface of the ram slider mount 209 is mounted with the stopper 208 for limiting the sliding distance of the ram slider 207.
It should be noted that the blocking piece 208 is located on the moving path of the ram slide base 207, and by arranging the blocking piece 208, the ram slide base 207 can be placed to slide off the ram slide base mounting seat 209.
On the basis of the above embodiment, the tab pressing device further includes a first displacement sensor 204 for detecting the displacement of the tab pressing head 206.
It should be noted that the first displacement sensor 204 is mounted on the hold-down assembly mounting plate 201, and the first displacement sensor 204 is located between the cylinder mounting block 202 and the ram carriage mounting block 209. The sliding distance of the pressure head sliding seat 207 can be obtained through the first displacement sensor 204, so that the displacement of the tab pressure head 206 is obtained.
On the basis of the above embodiment, the tab compressing device further includes a second displacement sensor 205 for detecting the distance between the tab and the bus plate.
It should be noted that the second displacement sensor 205 is mounted on the hold-down assembly mounting plate 201, and the second displacement sensor 205 is located between the cylinder mounting block 202 and the ram carriage mounting block 209. Can acquire and converge the distance between the dish through second displacement sensor 205, combine the displacement of the utmost point ear pressure head 206 that first displacement sensor 204 obtained, can calculate out utmost point ear and converge the dish interval, can prevent that utmost point ear pressure head 206 from to utmost point ear transitional extrusion, causing the damage of electric core module.
As shown in fig. 2, the tab welding device includes a welding assembly 1, where the welding assembly 1 includes a galvanometer welding head 11, an image acquisition module, a first sliding table, and a second sliding table;
the second sliding table is arranged on the first sliding table, the galvanometer welding head 11 is arranged on the second sliding table, the moving directions of the first sliding table and the second sliding table are perpendicular, namely the first sliding table is used for moving along the X-axis direction, namely moving left and right, and the second sliding table is used for moving along the Y-axis direction, namely moving back and forth; the image acquisition module is installed on first slip table through the lifter. Wherein, the lift can be the fourth slip table, and the fourth slip table is installed on first slip table, and image acquisition module installs on the fourth slip table, drives image acquisition module through the fourth slip table and moves up-and-down promptly along Z axle direction motion, and image acquisition module is close to or keeps away from first slip table motion promptly.
It should be noted that the image acquisition module includes a camera 12 and a light source disposed near the camera 12.
In the embodiment of the invention, the galvanometer welding head 11 is driven to the welding station through the cooperative work of the first sliding table and the second sliding table, and meanwhile, the image acquisition module is driven to perform the zigzag motion through the cooperative work of the first sliding table and the lifting piece, so that the real-time image of the welding line can be acquired, the real-time detection of the welding line can be conveniently completed, and the working parameters of the galvanometer welding head 11 can be timely adjusted. Wherein, adopt the mirror soldered connection that shakes, simple structure, convenient to use, the dish that converges after the welding can effective contact with utmost point ear, and it is effectual to weld, has improved the quality of electric core module.
On the basis of the above embodiment, as shown in fig. 2, the welding assembly 1 further includes an air curtain 13 mounted on the second sliding table, and the air curtain 13 is located above the galvanometer welding head 11.
The protective gas blown out by the gas curtain 13 makes the welding path of the galvanometer welding head 11 free of foreign matters, thereby improving the work efficiency and the welding quality of the galvanometer welding head 11. Wherein the protective gas may be nitrogen.
As shown in fig. 5, the pouch battery module positioning device 4 includes a first module clamping assembly 41 and a second module clamping assembly 42 for clamping the pouch battery module 43 from different orientations; the first module clamping assembly 41 is used for clamping the left side surface and the right side surface of the soft package battery module 43, and the second module clamping assembly 42 is used for clamping the front side surface and the rear side surface of the soft package battery module 43;
as shown in fig. 6, the first module clamping assembly includes a positioning cylinder 414 and a pressing cylinder 411, a positioning side pressing block 415 and a positioning side cushion block 416 are sequentially connected to a movable end of the positioning cylinder 414, and a pressing side pressing block 412 and a pressing side cushion block 413 are sequentially connected to a movable end of the pressing cylinder 411; the second module clamping assembly 42 comprises a jaw cylinder, with first and second jaws symmetrically disposed on either side of the jaw cylinder.
It should be noted that the positioning cylinder 414 is a stroke-adjustable cylinder. One side of the positioning cylinder 414 is used as a positioning side, one side of the pressing cylinder 411 is used as a pressing side, and the positioning cylinder 414 can finely adjust the position of the positioning side cushion block 416 to match the feeding position; and the pressing side pad 413 is at the maximum stroke position every time the pressing cylinder 411 is operated.
It can be understood that the clamping jaw cylinder is located above the laminate polymer battery module 43, and is used for clamping the laminate polymer battery module 43 through the opposite movement of the first clamping jaw and the second clamping jaw. Wherein the first clamping jaw can be used as a pressing side, and the second clamping jaw is used as a positioning side, so that the incoming material position is matched. The first clamping jaw and the second clamping jaw are both made of insulating materials and have certain flexibility.
In the embodiment of the present invention, the first clamping jaw and the pressing side pad 413 serve as a pressing side, and the second clamping jaw and the positioning side pad 416 serve as a positioning side, so that the position of the pouch battery module 43 can be finely adjusted, thereby facilitating the next tab welding operation of the pouch battery module 43.
On the basis of the above embodiment, both the positioning-side block 416 and the pressing-side block 413 are made of polyurethane.
It should be noted that, in order to ensure the safety of the positioning side pad 416 and the compression side pad 413 when the soft package battery module 43 is clamped, the positioning side pad 416 and the compression side pad 413 are both made of an insulating material, and both the positioning side pad 416 and the compression side pad 413 have certain flexibility.
On the basis of the above embodiment, the first clamping jaw and the second clamping jaw both comprise an L-shaped connecting plate connected with the movable end of the clamping jaw cylinder and an inverted U-shaped plate connected with the L-shaped connecting plate.
It should be noted that the L-shaped connecting plate and the inverted U-shaped plate are both made of polyurethane.
In the embodiment of the invention, when the first clamping jaw and the second clamping jaw clamp the pouch battery module 43, the horizontal part of the L-shaped connecting plate is in contact with the top surface of the pouch battery module 43, and the inverted U-shaped plate is in contact with the front side surface and the rear side surface of the pouch battery module 43. The horizontal portion of the L-shaped connecting plate can be used as a reference surface of the top surface of the pouch battery module 43.
It can be understood that the positioning cylinder 414 is fixedly installed by a positioning cylinder installation seat in an L-shaped structure, so that the positioning cylinder 414 works on a horizontal plane; the pressing cylinder 411 is fixedly installed through a pressing cylinder installation seat in an L-shaped structure, so that the pressing cylinder 411 works on a horizontal plane. Wherein, the clamping jaw cylinder is fixed through the portal installation.
On the basis of the above embodiment, as shown in fig. 7, the pouch battery module positioning device 4 further includes a tooling plate 45 for placing the pouch battery module 43, the tooling plate 45 includes a substrate 451 and a module supporting strip 452 located on the substrate 451, symmetrically arranged module side limiting blocks 453 and module side clamping blocks 454 are respectively installed on two opposite side surfaces of the module supporting strip 452, and the module side limiting blocks 453 and the module side clamping blocks 454 are both L-shaped structures.
It should be noted that, in order to improve the stability of laminate polymer battery module 43, module tray strip 452 is the rectangle structure, and the left side interval arrangement of module tray strip 452 has two module side to press from both sides tight piece 454, and the right side interval arrangement of module tray strip 452 has two module side stopper 453, and module side stopper 453 and module side press from both sides tight piece 454 symmetrical arrangement. Wherein the distance between the module side clamping block 454 and the module support strip 452 is adjustable.
It can be understood that, in order to improve the efficiency of placing of laminate polymer battery module 43, and prevent to cause the damage to laminate polymer battery module 43, the one side that contacts with laminate polymer battery module 43 on module side stopper 453 and module side clamp block 454 is provided with the arcwall face.
On the basis of the above embodiment, the pouch battery module 43 is magnetically connected to the module holder strip 452.
It should be noted that the pouch battery module 43 is magnetically connected to the module support strip 452, which can prevent the structure of the pouch battery module 43 from being damaged and facilitates the assembly and disassembly.
On the basis of the above embodiment, the positioning device for the pouch battery module further comprises a lifter for adjusting the height of the tooling plate 45.
It should be noted that the lifter is installed at the bottom of the tooling plate 45, and the height of the tooling plate 45, that is, the distance between the soft package battery module 43 and the L-shaped connecting plate, can be adjusted by the lifting of the lifter.
On the basis of the above embodiment, the pouch battery module positioning device further comprises a belt conveyor 44 for conveying the tooling plate 45.
It should be noted that the belt conveyor 44 includes two belts symmetrically arranged left and right, the lifter may be installed between the two belts, and the position of the tooling plate 45 may be adjusted by the belt conveyor 44.
In the above embodiment, rollers 455 are mounted at four corners of the base plate 451, and the rollers 455 contact the belt of the belt conveyor 44.
It should be noted that the four rollers 455 are all in contact with the belt of the belt conveyor 44, i.e., the left two rollers 455 are in contact with the left belt and the right two rollers 455 are in contact with the right belt. And, a vertically arranged baffle is installed beside the belt, and the roller 455 can roll along the surface of the baffle when the belt moves, i.e. the working surface of the roller 455 is the surface of the baffle.
In the embodiment of the invention, after the belt conveyor 44 transports the tooling plate 45 to the clamping station, the lifter adjusts the height of the tooling plate 45, the first clamping jaw and the pressing side cushion 413 serve as a pressing side, the second clamping jaw and the positioning side cushion 416 serve as a positioning side, the position of the soft package battery module 43 can be finely adjusted, and the soft package battery module 43 is clamped after the adjustment is in place, so that the next tab welding operation of the soft package battery module 43 is facilitated.
A plurality of groups of tab compressing assemblies 2 are arranged corresponding to the welding assembly 1; two groups of lug pressing assemblies 2 can be mounted on the surface of a box body 3 in a rectangular structure, the two groups of lug pressing assemblies 2 are sequentially arranged along the length direction of the box body 3, and the movement direction of a first sliding table is consistent with the length direction of the box body 3; the welding assembly 1 and the lug pressing assembly 2 are sequentially arranged along the width direction of the box body 3. At this moment, a utmost point ear compresses tightly subassembly 2 and corresponds and is provided with a laminate polymer battery module positioner 4, and laminate polymer battery module positioner 4 installs on the surface of box 3 promptly, and two sets of laminate polymer battery module positioner 4 arrange along the length direction of box 3 in proper order, and laminate polymer battery module positioner 4, utmost point ear compress tightly subassembly 2 and weld subassembly 1 and arrange along the width direction of box 3 in proper order.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. A tab welding system, comprising: the device comprises a soft-package battery module positioning device, a tab compressing device and a tab welding device, wherein the soft-package battery module positioning device is used for positioning a soft-package battery module, the tab compressing device is used for enabling a tab to be attached to a bus disc, and the tab welding device is used for welding the tab to the bus disc;
the lug pressing device comprises a lug pressing assembly, and the lug pressing assembly comprises a slidable pressing assembly mounting plate, two telescopic cylinders which are symmetrically arranged, two lug pressing heads which are symmetrically arranged and two pressing head sliding seats which are symmetrically arranged;
the fixed ends of the two telescopic cylinders are hinged to the pressing component mounting plate, the movable end of one telescopic cylinder is hinged to one pressing head sliding seat, and the movable end of the other telescopic cylinder is hinged to the other pressing head sliding seat; the two pressure head sliding seats are both slidably mounted on the pressing component mounting plate, and the sliding directions of the pressure head sliding seats and the pressing component mounting plate are perpendicular; one the utmost point ear pressure head is installed one on the pressure head slide, another the utmost point ear pressure head is installed another on the pressure head slide.
2. The tab welding system of claim 1 wherein the tab compression device further comprises a first displacement sensor for sensing displacement of one of the tab pressure heads and a third displacement sensor for sensing displacement of the other of the tab pressure heads.
3. The tab welding system according to claim 2, wherein the tab compressing device further comprises a second displacement sensor for detecting a distance between the tab and the bus disc.
4. The tab welding system according to any one of claims 1 to 3, further comprising two sets of dust extraction assemblies, each dust extraction assembly comprising a dust extraction pipe, and each tab pressing head having an air extraction through hole; the air inlet end of one dust pumping pipe arranged on one lug pressure head faces the air pumping through hole, and the air inlet end of the other dust pumping pipe arranged on the other lug pressure head faces the air pumping through hole.
5. The tab welding system according to claim 4, wherein each tab pressure head having a hollow structure is provided with a plurality of air blowing holes at the air exhaust through hole.
6. The tab welding system according to any one of claims 1 to 3, wherein the pouch battery module positioning device comprises a first module clamping assembly and a second module clamping assembly for clamping the pouch battery module from different orientations;
the first module clamping assembly comprises a positioning cylinder and a pressing cylinder, the movable end of the positioning cylinder is sequentially connected with a positioning side pressing block and a positioning side cushion block, and the movable end of the pressing cylinder is sequentially connected with a pressing side pressing block and a pressing side cushion block; the second module clamping component comprises a clamping jaw cylinder, and a first clamping jaw and a second clamping jaw which are symmetrically arranged are arranged on two sides of the clamping jaw cylinder.
7. The tab welding system of claim 6, wherein the first jaw and the second jaw each include an L-shaped connecting plate connected to the movable end of the jaw cylinder and an inverted U-shaped plate connected to the L-shaped connecting plate.
8. The tab welding system according to claim 6, wherein the laminate polymer battery module positioning device further comprises a tooling plate for placing the laminate polymer battery module, the tooling plate comprises a base plate and a module supporting strip positioned on the base plate, symmetrically arranged module side limiting blocks and module side clamping blocks are respectively installed on two opposite side surfaces of the module supporting strip, and the module side limiting blocks and the module side clamping blocks are both L-shaped structures.
9. The tab welding system of claim 8, wherein the pouch battery module positioning device further comprises a belt conveyor for conveying the tooling plate.
10. The tab welding system according to any one of claims 1 to 3, wherein the tab welding device comprises a welding assembly including a galvanometer welding head, an image acquisition module, a first sliding table, and a second sliding table;
the second sliding table is arranged on the first sliding table, the galvanometer welding head is arranged on the second sliding table, and the moving directions of the first sliding table and the second sliding table are vertical; the image acquisition module is installed on the first sliding table through a lifting piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011064447.7A CN112139740A (en) | 2020-09-30 | 2020-09-30 | Tab welding system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011064447.7A CN112139740A (en) | 2020-09-30 | 2020-09-30 | Tab welding system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112139740A true CN112139740A (en) | 2020-12-29 |
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ID=73951987
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011064447.7A Pending CN112139740A (en) | 2020-09-30 | 2020-09-30 | Tab welding system |
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| Country | Link |
|---|---|
| CN (1) | CN112139740A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115609148A (en) * | 2022-11-14 | 2023-01-17 | 佛山市天劲新能源科技有限公司 | Utmost point ear laser welding device |
| CN116038194A (en) * | 2023-02-03 | 2023-05-02 | 武汉逸飞激光股份有限公司 | Carousel formula multistation busbar welding equipment |
-
2020
- 2020-09-30 CN CN202011064447.7A patent/CN112139740A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115609148A (en) * | 2022-11-14 | 2023-01-17 | 佛山市天劲新能源科技有限公司 | Utmost point ear laser welding device |
| CN116038194A (en) * | 2023-02-03 | 2023-05-02 | 武汉逸飞激光股份有限公司 | Carousel formula multistation busbar welding equipment |
| CN116038194B (en) * | 2023-02-03 | 2024-02-09 | 武汉逸飞激光股份有限公司 | Carousel formula multistation busbar welding equipment |
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Address after: 430000 Guandong science and Technology Industrial Park, Donghu Development Zone, Wuhan City, Hubei Province Applicant after: Wuhan Yifei laser Co.,Ltd. Address before: Building 3, Dingxin Industrial Park, Donghu New Technology Development Zone, Wuhan City, Hubei Province Applicant before: WUHAN YIFI LASER EQUIPMENT Co.,Ltd. |