CN113878237A - Lithium battery pole piece welding device and method thereof - Google Patents
Lithium battery pole piece welding device and method thereof Download PDFInfo
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- CN113878237A CN113878237A CN202111263954.8A CN202111263954A CN113878237A CN 113878237 A CN113878237 A CN 113878237A CN 202111263954 A CN202111263954 A CN 202111263954A CN 113878237 A CN113878237 A CN 113878237A
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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
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/20—Bonding
- B23K26/21—Bonding by welding
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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
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
- B23K26/06—Shaping the laser beam, e.g. by masks or multi-focusing
- B23K26/064—Shaping the laser beam, e.g. by masks or multi-focusing by means of optical elements, e.g. lenses, mirrors or prisms
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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
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/70—Auxiliary operations or equipment
- B23K26/702—Auxiliary equipment
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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
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/058—Construction or manufacture
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Optics & Photonics (AREA)
- Mechanical Engineering (AREA)
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- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
The invention discloses a lithium battery pole piece welding device which comprises a workbench, wherein the upper end surface of the workbench is connected with a sliding seat in a sliding manner, the upper end surface of the sliding seat is fixedly connected with a limiting block, the workbench is provided with a driving mechanism for driving the sliding seat to move, and the workbench is provided with an arranging mechanism, a pre-pressing mechanism and a welding mechanism which are matched with the sliding seat, and the welding method based on the lithium battery pole piece welding device comprises the following steps: s1: finishing; s2: compressing; s3: and (6) welding. According to the invention, the electric telescopic rod is started to drive the first sliding block to slide on the connecting rod and simultaneously push the connecting rod and the first pressing block to move until the first pressing block is contacted with the metal foil, the first sliding block continuously slides on the connecting rod to drive the second rotating block and the connecting end of the connecting block to move upwards, so that the second pressing block is pressed downwards, and the first pressing block is matched to press and arrange the metal foil, so that the metal foil is stacked neatly.
Description
Technical Field
The invention relates to the technical field of battery pole piece welding, in particular to a lithium battery pole piece welding device and a method thereof.
Background
A metal foil welding process is related to the battery industry, the consumer electronics industry and the like. In the traditional welding process, an ultrasonic welding method is mainly adopted, and the method has the defects that a welding head is abraded, the abrasion time is uncontrollable, once the welding head is abraded, the welding quality is greatly reduced, and a plurality of defective products exist. On the other hand, the traditional ultrasonic welding extrudes a product, after welding is finished, the product is stretched to form a pulling state, and the isolating membrane is easily torn to cause short circuit explosion, and the laser welding has no risk, so that a laser welding method is provided.
The existing battery pole piece welding device is not provided with a corresponding auxiliary arrangement mechanism, so that a large amount of manual operation is needed before welding operation is carried out, the welding efficiency is lower, and the defective rate is higher.
Disclosure of Invention
The invention aims to solve the problems and provides a lithium battery pole piece welding device and a method thereof.
In order to achieve the purpose, the invention adopts the following technical scheme:
a lithium battery pole piece welding device comprises a workbench, wherein a sliding seat is connected to the upper end face of the workbench in a sliding manner, a limiting block is fixedly connected to the upper end face of the sliding seat, a driving mechanism is arranged on the workbench to drive the sliding seat to move, an arranging mechanism, a pre-pressing mechanism and a welding mechanism are arranged on the workbench and matched with the sliding seat, the arranging mechanism comprises a first rotating seat, a second rotating seat, an electric telescopic rod, a first rotating block, a first fixing block, a first pressing block, a connecting rod, a first sliding block, a second rotating block, a connecting block, a spring and a second pressing block, the workbench is fixedly connected with the first rotating seat and the second rotating seat, the first rotating seat is rotatably connected with the electric telescopic rod, the output end of the electric telescopic rod is fixedly connected with the first rotating block, the second rotating seat is rotatably connected with the first fixing block, the upper end face of the first fixed block is fixedly connected with a connecting rod, the connecting rod is connected with a first sliding block in a sliding manner, the first sliding block is rotatably connected with the first rotating block and the second rotating block, the second rotating block is far away from one end of the connecting block and is rotatably connected with the middle part of the connecting block, a spring is sleeved on the connecting rod, two ends of the spring are respectively abutted against the connecting block and the first sliding block, one end of the connecting block, far away from the second rotating block, is fixedly connected with a second pressing block, one side of the first fixed block, far away from the electric telescopic rod, is fixedly connected with a first pressing block, the pre-pressing mechanism comprises a vertical frame, a cylinder, a third rotating seat, a gear, a sliding rail, a second sliding block and a third pressing block, the upper end face of the workbench is fixedly connected with a vertical frame, and the upper end face of the vertical frame is fixedly connected with the cylinder, the output of cylinder runs through the grudging post extends to the below of grudging post and fixedly connected with third rotates the seat, the third rotates to rotate to be connected with the gear on the seat, terminal surface fixedly connected with slide rail under the grudging post, the slide rail is embedded to have the second slider, the tooth's socket has been seted up on the second slider, the tooth's socket is connected with gear engagement, terminal surface fixedly connected with third briquetting under the second slider.
As a further description of the above technical solution:
actuating mechanism includes cavity, support frame, driving motor, leads to groove, drive roller and spacing groove, the inside cavity of having seted up of workstation, workstation side table wall fixedly connected with support frame, fixedly connected with driving motor on the support frame, driving motor's output extends to the inside and the coaxial drive roller that sets up of fixedly connected with of cavity, the spacing groove has been seted up on the drive roller, logical groove has been seted up on the workstation, the spacing inslot has inlayed the traveller, the traveller run through lead to the groove extend to the top of workstation and with sliding seat fixed connection.
As a further description of the above technical solution:
the driving motor is a servo motor, and the limiting groove is spirally arranged on the side surface wall of the driving roller.
As a further description of the above technical solution:
welding mechanism includes brace table, ultraviolet nanosecond laser instrument, beam expander, scanning mirror and focus field lens of shaking, workstation up end fixedly connected with brace table, fixedly connected with ultraviolet nanosecond laser instrument on the brace table, the output of ultraviolet nanosecond laser instrument is connected with the beam expander, the beam expander is kept away from ultraviolet nanosecond laser instrument one end is connected with the scanning mirror of shaking, the scanning is shaken the mirror below and is equipped with the focus field lens.
As a further description of the above technical solution:
the sliding rails and the second sliding blocks are arranged, the two sliding rails are symmetrically arranged relative to the gear, and the two second sliding blocks are respectively connected with two sides of the gear in a meshed mode.
As a further description of the above technical solution:
rubber sleeves are sleeved on the first pressing block, the second pressing block and the third pressing block.
The welding method based on the lithium battery pole piece welding device comprises the following steps:
s1: finishing: respectively stacking positive and negative metal foils on a metal substrate to form a material to be welded, placing the material on a sliding seat, driving the sliding seat to move to a working area of an arranging mechanism by a driving mechanism, starting an electric telescopic rod, driving a first sliding block to slide on a connecting rod, and simultaneously moving a first pressing block and a second pressing block to press and arrange the metal foils so as to stack the metal foils in order;
s2: and (3) compacting: the driving mechanism drives the sliding seat to move to a working area of the prepressing mechanism, and the air cylinder is started to drive the gear, the second sliding block and the third pressing block to press downwards until the third pressing block is in contact with the metal foil and is pressed tightly with the metal foil;
s3: welding: the driving mechanism drives the sliding seat to move to the working area of the welding mechanism, and the welding mechanism performs welding treatment on the material to be welded.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
1. according to the invention, the arranging mechanism is arranged, the electric telescopic rod is started, the first sliding block is driven to slide on the connecting rod, meanwhile, the connecting rod and the first pressing block are pushed to move, until the first pressing block is contacted with the metal foil, the first sliding block continuously slides on the connecting rod to drive the second rotating block to move upwards with the connecting end of the connecting block, so that the second pressing block is pressed downwards, and the first pressing block is matched to press and arrange the metal foil, so that the metal foil is stacked neatly, the subsequent welding operation is facilitated, and the welding efficiency is improved.
2. According to the invention, the pre-pressing mechanism is arranged, the cylinder is started to drive the gear, the second slider and the third pressing blocks to press downwards, when the heights of the positive and negative metal foils are different, one of the third pressing blocks is in contact with the metal foil with the higher height and presses the metal foil tightly, the cylinder continues to drive the gear, the second slider and the third pressing blocks to press downwards, so that the gear rotates to drive the other third pressing block to be in contact with the metal foil with the lower height and press the metal foil tightly, and the subsequent welding operation is facilitated.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is another perspective view of the overall structure of the present invention;
FIG. 3 is a schematic view of the construction of the drive roller of the present invention;
FIG. 4 is a schematic view of the arrangement mechanism according to the present invention;
FIG. 5 is a schematic structural view of a pre-pressing mechanism according to the present invention;
FIG. 6 is a schematic structural diagram of another state of the pre-pressing mechanism of the present invention.
Illustration of the drawings:
1. a work table; 2. a cavity; 3. a support frame; 4. a drive motor; 5. a through groove; 6. a drive roller; 7. a limiting groove; 8. a sliding seat; 9. a limiting block; 10. a support table; 11. an ultraviolet nanosecond laser; 12. a beam expander; 13. scanning a galvanometer; 14. a focusing field lens; 15. a first rotating base; 16. a second rotating base; 17. an electric telescopic rod; 18. a first rotating block; 19. a first fixed block; 20. a first pressing block; 21. a connecting rod; 22. a first slider; 23. a second turning block; 24. connecting blocks; 25. a spring; 26. a second pressing block; 27. erecting a frame; 28. a cylinder; 29. a third rotating base; 30. a gear; 31. a slide rail; 32. a second slider; 33. and thirdly, pressing blocks.
Detailed Description
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 only a part of the embodiments of the present invention, and not all of the embodiments. 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 first embodiment is as follows:
referring to fig. 1-6, a lithium battery pole piece welding device comprises a workbench 1, a sliding seat 8 is slidably connected to an upper end surface of the workbench 1, a limiting block 9 is fixedly connected to an upper end surface of the sliding seat 8, a driving mechanism is arranged on the workbench 1 to drive the sliding seat 8 to move, a sorting mechanism, a pre-pressing mechanism and a welding mechanism are arranged on the workbench 1 and matched with the sliding seat 8, the sorting mechanism comprises a first rotating seat 15, a second rotating seat 16, an electric telescopic rod 17, a first rotating block 18, a first fixing block 19, a first pressing block 20, a connecting rod 21, a first sliding block 22, a second rotating block 23, a connecting block 24, a spring 25 and a second pressing block 26, the first rotating seat 15 and the second rotating seat 16 are fixedly connected to the workbench 1, the first rotating seat 15 is rotatably connected to the electric telescopic rod 17, an output end of the electric telescopic rod 17 is fixedly connected to the first rotating block 18, the second rotating seat 16 is rotatably connected with a first fixed block 19, the upper end face of the first fixed block 19 is fixedly connected with a connecting rod 21, the connecting rod 21 is slidably connected with a first sliding block 22, the first sliding block 22 is rotatably connected with a first rotating block 18 and a second rotating block 23, one end of the second rotating block 23, which is far away from the connecting block 24, is rotatably connected, the upper end of the connecting rod 21 is rotatably connected with the middle part of the connecting block 24, a spring 25 is sleeved on the connecting rod 21, two ends of the spring 25 are respectively abutted against the connecting block 24 and the first sliding block 22, one end of the connecting block 24, which is far away from the second rotating block 23, is fixedly connected with a second pressing block 26, one side of the first fixed block 19, which is far away from the electric telescopic rod 17, is fixedly connected with a first pressing block 20, the prepressing mechanism comprises a vertical frame 27, an air cylinder 28, a third rotating seat 29, a gear 30, a slide rail 31, a second sliding block 32 and a third pressing block 33, and the upper end face of the workbench 1 is fixedly connected with a vertical frame 27, the upper end face of the vertical frame 27 is fixedly connected with an air cylinder 28, the output end of the air cylinder 28 penetrates through the vertical frame 27 and extends to the lower part of the vertical frame 27 and is fixedly connected with a third rotating seat 29, a gear 30 is rotatably connected to the third rotating seat 29, a slide rail 31 is fixedly connected to the lower end face of the vertical frame 27, a second slide block 32 is embedded in the slide rail 31, a tooth groove is formed in the second slide block 32 and is meshed with the gear 30, a third press block 33 is fixedly connected to the lower end face of the second slide block 32, the electric telescopic rod 17 is started to drive the first slide block 22 to slide on the connecting rod 21 and simultaneously push the connecting rod 21 and the first press block 20 to move until the first press block 20 is contacted with the metal foil, the first slide block 22 continuously slides on the connecting rod 21 to drive the connecting end of the second rotating block 23 and the connecting block 24 to move upwards, so that the second press block 26 downwards, the first press the metal foil in a tidy manner by matching with the first press block 20, and the metal foil is stacked neatly, the air cylinder 28 is started to drive the gear 30, the second sliding block 32 and the third pressing block 33 to press down, when the heights of the positive and negative metal foils are not consistent, one of the third pressing blocks 33 is in contact with the metal foil with the higher height and presses the metal foil tightly, the air cylinder 28 continues to drive the gear 30, the second sliding block 32 and the third pressing block 33 to press down, so that the gear 30 rotates to drive the other third pressing block 33 to be in contact with the metal foil with the lower height and press the metal foil tightly, and subsequent welding operation is facilitated.
Actuating mechanism includes cavity 2, support frame 3, driving motor 4, lead to groove 5, drive roller 6 and spacing groove 7, cavity 2 has been seted up to 1 inside of workstation, 1 side table wall fixedly connected with support frame 3 of workstation, fixedly connected with driving motor 4 on the support frame 3, driving motor 4's output extends to cavity 2 inside and the drive roller 6 of the coaxial setting of fixedly connected with, spacing groove 7 has been seted up on drive roller 6, logical groove 5 has been seted up on workstation 1, spacing inslot 7 is embedded to have a traveller, the traveller runs through logical groove 5 and extends to workstation 1's top and with 8 fixed connection of sliding seat, start driving motor 4, drive roller 6 and spacing groove 7 rotate, make the traveller receive spacing groove 7 and lead to the dual spacing of groove 5, thereby it slides along workstation 1 to drive sliding seat 8.
The driving motor 4 is a servo motor, and the limiting groove 7 is spirally arranged on the side surface wall of the driving roller 6, so that the sliding seat 8 can move and stop in the working areas of the finishing mechanism, the prepressing mechanism and the welding mechanism.
Welding mechanism includes brace table 10, ultraviolet nanosecond laser 11, beam expander 12, scanning galvanometer 13 and focusing field lens 14, 1 up end fixedly connected with brace table 10 of workstation, fixedly connected with ultraviolet nanosecond laser 11 on the brace table 10, ultraviolet nanosecond laser 11's output is connected with beam expander 12, beam expander 12 is kept away from 11 one end of ultraviolet nanosecond laser and is connected with scanning galvanometer 13, scanning galvanometer 13 below is equipped with focusing field lens 14, can realize the flow welding, effectively improve production efficiency.
The number of the sliding rails 31 and the number of the second sliding blocks 32 are two, the two sliding rails 31 are symmetrically arranged relative to the gear 30, and the two second sliding blocks 32 are respectively connected with two sides of the gear 30 in a meshed mode.
All the rubber sleeves are sleeved on the first pressing block 20, the second pressing block 26 and the third pressing block 33, so that the better arranging and pre-pressing effect is achieved, and meanwhile, the metal foil is prevented from being damaged.
The welding method based on the lithium battery pole piece welding device comprises the following steps:
s1: finishing: respectively stacking positive and negative metal foils on a metal substrate to form a material to be welded, placing the material on a sliding seat 8, driving the sliding seat 8 to move to a working area of an arranging mechanism by a driving mechanism, starting an electric telescopic rod 17, driving a first sliding block 22 to slide on a connecting rod 21, and simultaneously moving a first pressing block 20 and a second pressing block 26 to press and arrange the metal foils so as to stack the metal foils neatly;
s2: and (3) compacting: the driving mechanism drives the sliding seat 8 to move to a working area of the prepressing mechanism, and the starting cylinder 28 drives the gear 30, the second sliding block 32 and the third pressing block 33 to press downwards until the third pressing block 33 is in contact with the metal foil and is pressed tightly with the metal foil;
s3: welding: the driving mechanism drives the sliding seat 8 to move to the working area of the welding mechanism, and the welding mechanism performs welding treatment on the materials to be welded.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (7)
1. A lithium battery pole piece welding device comprises a workbench (1) and is characterized in that the upper end face of the workbench (1) is connected with a sliding seat (8) in a sliding manner, the upper end face of the sliding seat (8) is fixedly connected with a limiting block (9), the workbench (1) is provided with a driving mechanism to drive the sliding seat (8) to move, the workbench (1) is provided with an arranging mechanism, a pre-pressing mechanism and a welding mechanism which are matched with the sliding seat (8), the arranging mechanism comprises a first rotating seat (15), a second rotating seat (16), an electric telescopic rod (17), a first rotating block (18), a first fixing block (19), a first pressing block (20), a connecting rod (21), a first sliding block (22), a second rotating block (23), a connecting block (24), a spring (25) and a second pressing block (26), the workbench (1) is fixedly connected with the first rotating seat (15) and the second rotating seat (16), first rotation seat (15) rotates with electric telescopic handle (17) to be connected, electric telescopic handle (17) the output with first rotation piece (18) fixed connection, second rotation seat (16) is gone up to rotate and is connected with first fixed block (19), first fixed block (19) up end fixedly connected with connecting rod (21), sliding connection has first slider (22) on connecting rod (21), first slider (22) with first rotation piece (18) and second rotation piece (23) rotate to be connected, second rotation piece (23) are kept away from connecting block (24) one end is rotated and is connected, connecting rod (21) upper end with connecting block (24) middle part is rotated and is connected, the cover is equipped with spring (25) on connecting rod (21), the both ends of spring (25) respectively with connecting block (24) and first slider (22) butt, keep away from second rotating block (23) one end fixedly connected with second briquetting (26) in connecting block (24), first briquetting (20) is kept away from electric telescopic handle (17) one side fixedly connected with in first fixed block (19), prepressing mechanism includes grudging post (27), cylinder (28), third rotating seat (29), gear (30), slide rail (31), second slider (32) and third briquetting (33), workstation (1) up end fixedly connected with grudging post (27), grudging post (27) up end fixedly connected with cylinder (28), the output of cylinder (28) runs through grudging post (27) extends to the below of grudging post (27) and fixedly connected with third rotating seat (29), third rotating seat (29) go up to rotate and are connected with gear (30), end fixedly connected with slide rail (31) under grudging post (27), the sliding rail (31) is embedded with a second sliding block (32), a tooth groove is formed in the second sliding block (32), the tooth groove is meshed with the gear (30) and connected, and a third pressing block (33) is fixedly connected to the lower end face of the second sliding block (32).
2. The welding device for the pole pieces of the lithium battery as claimed in claim 1, wherein the driving mechanism comprises a cavity (2), a support frame (3), a driving motor (4), a through groove (5), a driving roller (6) and a limiting groove (7), a cavity (2) is arranged in the workbench (1), a supporting frame (3) is fixedly connected with the lateral surface wall of the workbench (1), a driving motor (4) is fixedly connected on the supporting frame (3), the output end of the driving motor (4) extends into the cavity (2) and is fixedly connected with a driving roller (6) which is coaxially arranged, a limiting groove (7) is arranged on the driving roller (6), a through groove (5) is arranged on the workbench (1), limiting groove (7) are embedded to have the traveller, the traveller runs through logical groove (5) and extends to the top of workstation (1) and with sliding seat (8) fixed connection.
3. The welding device for the pole pieces of the lithium battery as claimed in claim 2, wherein the driving motor (4) is a servo motor, and the limiting groove (7) is spirally arranged on the side surface wall of the driving roller (6).
4. The lithium battery pole piece welding device of claim 1, characterized in that, the welding mechanism includes a supporting table (10), an ultraviolet nanosecond laser (11), a beam expander (12), a scanning galvanometer (13) and a focusing field lens (14), a supporting table (10) is fixedly connected to the upper end face of the workbench (1), the ultraviolet nanosecond laser (11) is fixedly connected to the supporting table (10), the beam expander (12) is connected to the output end of the ultraviolet nanosecond laser (11), the beam expander (12) is kept away from one end of the ultraviolet nanosecond laser (11) and is connected with the scanning galvanometer (13), and the focusing field lens (14) is arranged below the scanning galvanometer (13).
5. The welding device for the pole pieces of the lithium battery as claimed in claim 1, wherein there are two sliding rails (31) and two second sliding blocks (32), the two sliding rails (31) are symmetrically arranged with respect to the gear (30), and the two second sliding blocks (32) are respectively engaged with two sides of the gear (30).
6. The lithium battery pole piece welding device according to claim 1, characterized in that rubber sleeves are sleeved on the first pressing block (20), the second pressing block (26) and the third pressing block (33).
7. The welding method of the lithium battery pole piece welding device based on any one of claims 1 to 6 is characterized by comprising the following steps:
s1: finishing: respectively overlapping positive and negative metal foils on a metal matrix to form a material to be welded, placing the material on a sliding seat (8), driving the sliding seat (8) to move to a working area of a finishing mechanism by a driving mechanism, starting an electric telescopic rod (17), driving a first sliding block (22) to slide on a connecting rod (21), and simultaneously moving a first pressing block (20) and a second pressing block (26) to press and finish the metal foils so as to stack the metal foils neatly;
s2: and (3) compacting: the driving mechanism drives the sliding seat (8) to move to a working area of the prepressing mechanism, and the air cylinder (28) is started to drive the gear (30), the second sliding block (32) and the third pressing block (33) to press downwards until the third pressing block (33) is in contact with the metal foil and is pressed tightly with the metal foil;
s3: welding: the driving mechanism drives the sliding seat (8) to move to the working area of the welding mechanism, and the welding mechanism carries out welding treatment on the materials to be welded.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111263954.8A CN113878237A (en) | 2021-10-28 | 2021-10-28 | Lithium battery pole piece welding device and method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111263954.8A CN113878237A (en) | 2021-10-28 | 2021-10-28 | Lithium battery pole piece welding device and method thereof |
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| CN113878237A true CN113878237A (en) | 2022-01-04 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116921974A (en) * | 2023-09-15 | 2023-10-24 | 山西星心半导体科技有限公司 | Adjustable lamp pearl welding is with location clamping device |
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| CN213739797U (en) * | 2020-11-06 | 2021-07-20 | 耀华(福建)纤维有限公司 | Polyester monofilament molding traction device |
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| CN106077953A (en) * | 2016-08-03 | 2016-11-09 | 武汉华工激光工程有限责任公司 | A kind of method and system that sheet metal is carried out nanosecond laser welding |
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| CN109382585A (en) * | 2018-12-04 | 2019-02-26 | 浙江海洋大学 | A kind of metal foil laminates increasing material manufacturing device and method |
| CN209774756U (en) * | 2019-01-25 | 2019-12-13 | 无锡市好邦机械制造有限公司 | Excess material cutting workbench for plate processing |
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| CN116921974A (en) * | 2023-09-15 | 2023-10-24 | 山西星心半导体科技有限公司 | Adjustable lamp pearl welding is with location clamping device |
| CN116921974B (en) * | 2023-09-15 | 2023-12-26 | 山西星心半导体科技有限公司 | Adjustable lamp pearl welding is with location clamping device |
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Application publication date: 20220104 |