Welding device for battery tab processing

Abstract

The invention discloses a welding device for battery tab processing, and belongs to the technical field of welding equipment.The welding device comprises a processing platform, an automatic monitoring and clamping assembly is arranged in the middle area of the processing platform, and an automatic monitoring and clamping assembly is arranged on the upper surface of the right side of the automatic monitoring and clamping assembly; according to the automatic welding device, when two sets of raw materials are in a normal contact state, the air pressure monitoring device collects simulated air pressure data generated in all sets of induction spaces, the simulated air pressure data are integrated to form a threshold range, and the automatic welding device is arranged on the upper surface, close to the electric control machining plate, of the machining platform. The control unit collects real-time air pressure data in each group of sensing space and compares the real-time air pressure data with a threshold range, if the real-time air pressure data is not within the threshold range, it can be judged that the welding positions of the two groups of raw materials deviate, and the technical effect of monitoring whether the welding positions of the two groups of raw materials are abnormal or not in real time is achieved. The method is mainly applied to battery tab welding.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of battery manufacturing equipment, more particularly to a welding device for battery tab processing. BACKGROUND

[0002] With the rapid development of new energy automobile, energy storage power station and other industries, the requirements for energy density, safety performance and consistency of power batteries such as lithium ion batteries are increasing. As the key connecting component for current transmission between the internal active material of the battery cell and the external circuit, the welding quality of the battery tab directly determines the conductivity, cycle life and safety of the battery pack. In the manufacturing process of battery modules and battery packs (packs), the tabs of multiple single batteries need to be reliably connected together through welding.

[0003] At present, although the widely used battery tab welding technology has the advantages of small heat-affected zone and low resistance, it still faces the following severe challenges in actual mass production:

[0004] Welding position offset problem: when multiple groups of battery tabs are stacked and welded, the tabs are prone to slight misalignment or offset due to their soft texture, worn positioning tooling or mechanical vibration. This offset can reduce the effective welding area, resulting in technical defects such as virtual welding and false welding. Not only will it significantly increase the contact resistance of the connection point, but also cause local overheating, energy efficiency decline, and more seriously, heat runaway in a high current working environment, which poses a huge safety hazard. At present, the detection of welding offset mostly relies on post-welding manual inspection or offline sampling, which is low in efficiency and cannot achieve real-time feedback and interception, and the risk of quality problems flowing into the next process is extremely high;

[0005] Welding surface contamination problem: during production and transportation, the surface of the battery tab may adsorb dust and other related contaminants. These contaminants can form an isolation barrier at the welding interface, severely hindering the effective transmission of ultrasonic vibration energy and the diffusion and bonding between metal atoms, which can also lead to insufficient weld strength and high resistance. Existing production lines usually use pre-cleaning or blowing methods, but it is difficult to ensure cleanliness at the moment before welding, and there is a lack of targeted point cleaning means.

[0006] Therefore, there is an urgent need for a welding device for battery tab processing to solve the above technical problems. SUMMARY

[0007] In order to overcome the above-mentioned defects of the prior art, the present application provides a welding device for battery tab processing to solve the problems existing in the background art.

[0008] The application provides the following technical scheme: a welding device for battery tab processing, comprising a welding processing desktop, a raw material providing device is installed on the upper surface of the right side of the welding processing desktop, a processing platform is installed on the upper surface of the position away from the raw material providing device of the welding processing desktop, automatic conveying devices are arranged on both sides of the upper surface of the processing platform for raw material transportation, a storage device is installed on the upper surface of the welding processing desktop close to the position of the automatic conveying device for recycling of the raw material after welding;

[0009] An automatic monitoring and clamping assembly is arranged in the middle area of the processing platform, an automatic monitoring and clamping assembly is arranged on the upper surface of the right side of the automatic monitoring and clamping assembly, and an automatic welding device is arranged on the upper surface of the processing platform close to the position of the electric control processing plate.

[0010] The automatic monitoring and clamping assembly inputs stable working current, is used for monitoring the real-time position of the clamped raw material, and performs fine adjustment operation on the raw material with position deviation, and performs dust recovery operation on the welding position of the raw material.

[0011] Further, the automatic monitoring and clamping assembly comprises a limiting frame, wherein the limiting frame is installed on the upper surface of the right side of the electric control processing plate, a recycling tank is installed on the outer surface of the electric control processing plate close to the position of the limiting frame, wherein a gas pump is installed at the bottom of the recycling tank, and a temperature adjusting device is arranged in the gas pump for adjusting the real-time temperature of the gas output by the gas pump.

[0012] Further, a second conveying pipe is installed through the outer side of the recycling tank close to the position of the limiting frame, a cleaning plate is installed at one end of the second conveying pipe away from the recycling tank, an electric control telescopic column is installed on the side surface of the cleaning plate, one end of the electric control telescopic column away from the cleaning plate is vertically installed on the inner side surface of the middle area of the limiting frame, and an adsorption hole is formed in the outer surface of the cleaning plate.

[0013] Main clamping plates are installed in the interiors of both ends of the limiting frame.

[0014] Further, an electric control displacement device is arranged at the bottom of each group of main clamping plates, a first conveying pipe is installed through both sides of the gas pump, a porous pipe a is installed at one end of the first conveying pipe away from the gas pump, an auxiliary clamping plate is arranged in the middle area of the top of the main clamping plate, a first servo motor is installed on the side surface of the bottom of the auxiliary clamping plate, and the first servo motor is arranged in the interior of the main clamping plate.

[0015] Further, the porous pipe a comprises two groups of gas outlet ends, one group of gas outlet ends of the porous pipe a is arranged in the interior of the auxiliary clamping plate, an output hole is formed in the interior of one side of the auxiliary clamping plate, one end of the output hole extends to the interior of the auxiliary clamping plate, and the other end of the output hole extends to the exterior of the auxiliary clamping plate.

[0016] The inner part of the middle area of the two sides of the main clamping plate is provided with a telescopic adjusting plate.

[0017] Further, the upper surface of the telescopic adjusting plate near the position of the limiting frame is provided with a second servo motor, the second servo motor is installed in the inner part of the main clamping plate, and the other group of air outlet ends of the multi-hole pipe a are arranged in the inner part of the telescopic adjusting plate.

[0018] The inner part of the bottom of the main clamping plate away from the position of the limiting frame is sequentially and equidistantly provided with a plurality of groups of air pressure cabins.

[0019] Further, the inner part of each group of air pressure cabins is sleeved with a sensing plate, wherein the side surface of each group of air pressure cabins and the corresponding group of sensing plates are vertically provided with the same spring group, the side surface of each group of air pressure cabins and the corresponding group of sensing plates forms a sensing space, a certain amount of compressed air is arranged in the sensing space, the side surface of the main clamping plate near the position of the limiting frame is provided with an air pressure monitoring device, and the inner part of the air pressure monitoring device is provided with a multi-hole pipe b, wherein the multi-hole pipe b comprises a plurality of groups of monitoring ends, and each group of monitoring ends is sequentially arranged in the inner part of the corresponding air pressure cabin.

[0020] The technical effects and advantages of the present application are as follows:

[0021] The control unit simulates the simulated air pressure data generated in each group of sensing spaces collected by the air pressure monitoring device when the two groups of raw materials are in the normal contact state, integrates the simulated air pressure data to form a threshold range, and compares the real-time air pressure data in each group of sensing spaces with the threshold range. If the real-time air pressure data is not in the threshold range, it can be judged that the welding position of the two groups of raw materials deviates, and the technical effect of monitoring whether the welding position of the two groups of raw materials is abnormal in real time is achieved.

[0022] The first servo motor controls the auxiliary clamping plate to rotate by a certain angle until the auxiliary clamping plate contacts the outer surface of the raw material, and applies additional clamping force to the raw material, so that the two groups of raw materials are limited in the fixed position. The air pump generates adsorbed air and transmits it to the inner part of the cleaning plate through the recovery tank and the second conveying pipe, and transmits it to the outside through the adsorption hole. The adsorbed air in the adsorption hole is transmitted to the welding position of the raw material, and the dust and impurities in the area are cleaned and recovered. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is the overall structure schematic diagram of the present application.

[0024] Figure 2 It is the overall structure schematic diagram of the processing platform shown in the figure. Figure 1

[0025] Figure 3 It is​Figure 2 The schematic diagram of the partial structure of the processing platform.

[0026] Figure 4 The schematic diagram of the partial structure of the processing platform. Figure 3 The schematic diagram of the partial structure of the processing platform.

[0027] Figure 5 The schematic diagram of the partial structure of the processing platform. Figure 4 The schematic diagram of the partial structure of the processing platform.

[0028] Figure 6 The schematic diagram of the partial structure of the processing platform. Figure 4 The schematic diagram of the partial structure of the processing platform.

[0029] Figure 7 The schematic diagram of the partial structure of the processing platform. Figure 6 The schematic diagram of the partial structure of the processing platform.

[0030] Figure 8 The schematic diagram of the partial structure of the processing platform. Figure 6 The schematic diagram of the partial structure of the processing platform.

[0031] Figure 9 The schematic diagram of the partial structure of the processing platform. Figure 6 The schematic diagram of the partial structure of the processing platform.

[0032] The schematic diagram of the partial structure of the processing platform. DETAILED DESCRIPTION

[0033] The technical solutions in the present application will be described clearly and completely below in combination with the drawings in the present application, and additionally, the forms of each structure described in the following embodiments are only examples, and the welding device for battery tab processing involved in the present application is not limited to each structure described in the following embodiments. All other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the present application.

[0034] Referring to Figure 1 and Figure 2The application provides a welding device for battery tab processing, which comprises a welding processing table top 1, a raw material providing device 2 is installed on the upper surface of the right side of the welding processing table top 1, a processing platform 5 is installed on the upper surface of the position away from the raw material providing device 2 of the welding processing table top 1, automatic conveying devices 4 are arranged on the two sides of the upper surface of the processing platform 5 and are used for transporting raw materials, a storage device 3 is installed on the upper surface of the welding processing table top 1 close to the automatic conveying devices 4 and is used for recycling the raw materials after welding.

[0035] An automatic monitoring and clamping assembly 6 is arranged in the middle area of the processing platform 5, an automatic monitoring and clamping assembly 6 is arranged on the upper surface of the right side of the automatic monitoring and clamping assembly 6, and an automatic welding device 501 is arranged on the upper surface of the processing platform 5 close to an electric control processing plate 502.

[0036] The automatic monitoring and clamping assembly 6 inputs stable working current and is used for monitoring the real-time position of the clamped raw material, fine-tuning the raw material with position deviation and recycling the dust at the welding position of the raw material.

[0037] Referring to Figures 1 to 9 The application provides a welding device for battery tab processing, the automatic monitoring and clamping assembly 6 comprises a limiting frame 601, the limiting frame 601 is installed on the upper surface of the right side of the electric control processing plate 502, a recycling tank 602 is installed on the outer surface of the electric control processing plate 502 close to the limiting frame 601, a gas pump is installed at the bottom of the recycling tank 602, temperature adjusting devices are arranged in the gas pump and are used for adjusting the real-time temperature of the gas output by the gas pump.

[0038] A second conveying pipe 604 is installed through the outer side of the recycling tank 602 close to the limiting frame 601, a cleaning plate 606 is installed at the position away from the recycling tank 602 of the second conveying pipe 604, electric control telescopic columns are installed on the side of the cleaning plate 606, and the positions away from the cleaning plate 606 of the electric control telescopic columns are vertically installed on the inner side of the middle area of the limiting frame 601.

[0039] Main clamping plates 605 are installed in the interiors of the two ends of the limiting frame 601, electric control displacement devices are arranged at the bottoms of each group of main clamping plates 605, first conveying pipes 603 are installed through the two sides of the gas pump, a multi-hole pipe a 607 is installed at the position away from the gas pump of the first conveying pipe 603, an auxiliary clamping plate 608 is arranged in the middle area of the top of the main clamping plate 605, a first servo motor 612 is arranged on the side of the bottom of the auxiliary clamping plate 608, and the first servo motor 612 is arranged in the interior of the main clamping plate 605.

[0040] The porous pipe a607 includes two groups of air outlet ends, one group of air outlet ends of the porous pipe a607 is arranged inside the auxiliary clamping plate 608, the inside of one side of the auxiliary clamping plate 608 is provided with an output hole 6081, one end of the output hole 6081 extends to the inside of the auxiliary clamping plate 608, and the other end of the output hole 6081 extends to the outside of the auxiliary clamping plate 608.

[0041] The inside of the middle area of the two sides of the main clamping plate 605 is provided with a telescopic adjusting plate 611, a second servo motor 613 is installed on the upper surface of the telescopic adjusting plate 611 close to the position of the limiting frame 601, the second servo motor 613 is installed inside the main clamping plate 605, and the other group of air outlet ends of the porous pipe a607 is arranged inside the telescopic adjusting plate 611.

[0042] The inside of the bottom of the main clamping plate 605 away from the position of the limiting frame 601 is sequentially and equidistantly provided with a plurality of groups of air pressure cabins 614, each air pressure cabin 614 is sleeved with a sensing plate 616, a spring group 615 is vertically installed on the side of each air pressure cabin 614 and the corresponding sensing plate 616, an induction space is formed between the side of each air pressure cabin 614 and the corresponding sensing plate 616, a certain amount of compressed air is arranged in the induction space, the side of the main clamping plate 605 close to the position of the limiting frame 601 is provided with an air pressure monitoring device 609, and the inside of the air pressure monitoring device 609 is provided with a porous pipe b610.

[0043] In the embodiment of the application, the telescopic adjusting plate 611 is composed of a group of main adjusting plates and auxiliary adjusting plates, the main adjusting plates and the auxiliary adjusting plates are in a sleeving relationship, a same group of long springs is vertically installed on the adjacent sides of the main adjusting plates and the auxiliary adjusting plates, compressed air generated by the air pump is transmitted to the inside of the main adjusting plate through the other group of air outlet ends of the porous pipe a607, so that the auxiliary adjusting plate is driven to move away from the position of the main adjusting plate.

[0044] The outer surface of the cleaning plate 606 is paved with a rubber layer.

[0045] The specific working process of the part of the application embodiment is as follows:

[0046] The battery tab processing raw materials are moved to the inside of the limiting frame 601 by the automatic conveying device 4, at this time there is a certain gap between the two groups of raw materials, the first servo motor 612 controls the auxiliary clamping plate 608 to rotate a certain angle, until the auxiliary clamping plate 608 contacts the outer surface of the raw material, and applies additional clamping force to the raw material, so that the two groups of raw materials are limited in the fixed position, the air pump generates adsorbed air and transmits it to the inside of the cleaning plate 606 through the recovery tank 602, the second conveying pipe 604 and the adsorption hole 6061 to the outside, and the electric control telescopic column controls the cleaning plate 606 to move slowly to the welding of the raw material, the adsorbed air in the adsorption hole 6061 is transmitted to the welding of the raw material, and the dust and impurities in the area are cleaned and recovered;

[0047] When the raw material welding is completed, the air pump generates compressed air of a certain temperature through the temperature adjusting device arranged inside and transmits it to the inside of the auxiliary clamping plate 608 through the first conveying pipe 603 and a group of air outlet ends of the porous pipe a 607, and then adjusts the temperature of the outer surface of the auxiliary clamping plate 608. In this process, the auxiliary clamping plate 608 further accelerates the cooling efficiency of the raw material after welding, avoiding the deformation phenomenon of the rubber adsorption end of the automatic conveying device 4 due to the high temperature of the welded raw material surface.

[0048] After the raw material dust cleaning is completed, the electric control displacement device controls the main clamping plate 605 to drive the two groups of raw materials to move to each other's position, until the welding of the two groups of raw materials contacts each other, when the two groups of raw materials contact each other, the other side of the two groups of raw materials contacts the corresponding induction plate 616, and drives each group of induction plates 616 to move to the position of the air chamber 614, thereby changing the size of the induction space formed between the induction plate 616 and the air chamber 614. At the same time, the air pressure monitoring device 609 monitors the air pressure data in each group of induction space through the porous pipe b 610 and transmits it to the control unit integrated in the welding processing table top 1, when the position deviation occurs between the two groups of raw materials, the extrusion force applied by one side of the relative position of the two groups of raw materials to the induction plate 616 is greater than the extrusion force received by the other induction plate 616, and the spring group 615 applies additional spring force to the induction plate 616, so the volume of the induction space in this area is greater than that of the induction space in other positions;

[0049] The control unit simulates the simulated air pressure data generated in each group of sensing space when the two groups of raw materials are in normal contact state, integrates the simulated air pressure data to form a threshold range, and compares the real-time air pressure data in each group of sensing space with the threshold range. If the real-time air pressure data is not in the threshold range, it can be judged that the welding position of the two groups of raw materials is deviated. The air pump generates compressed air and transmits it to the inside of the telescopic adjusting plate 611 through the first conveying pipe 603 and the other group of air outlet ends of the multi-hole pipe a 607, drives the telescopic adjusting plate 611 to be in the stretched state, and the second servo motor 613 controls the telescopic adjusting plate 611 to rotate by 90 degrees until the telescopic adjusting plate 611 contacts the two sides of the raw material. In this process, the raw material is in a non-clamping state, so that the telescopic adjusting plate 611 can fine-tune the welding position of the raw material. After fine-tuning is completed, the main clamping plate 605 and the auxiliary clamping plate 608 perform secondary clamping operation on the raw material, and control the welding position of the two groups of raw materials to be in contact with each other. The air pressure monitoring device 609 collects the air pressure data in each group of sensing space again and transmits it to the control unit. If the real-time air pressure data of each group is in the threshold range, it is judged that the adjustment of the welding position of the two groups of raw materials is completed, and the raw material is in a non-inclined state. The automatic welding device 501 can perform welding operation on the raw material. If part of the air pressure data is not in the threshold range, it is judged that the two groups of raw materials are in abnormal welding state. The control unit sends a warning signal to the on-site workers to remind them to recheck the work.

[0050] The specific workflow of the present application is as follows:

[0051] The dust removal and temperature adjustment process: The battery tab processing raw material moves to the inside of the limiting frame 601 through the automatic conveying device 4. At this time, there is a certain gap between the two groups of raw materials. The first servo motor 612 controls the auxiliary clamping plate 608 to rotate by a certain angle until the auxiliary clamping plate 608 contacts the outer surface of the raw material, applies additional clamping force to the raw material, and makes the two groups of raw materials limited in the fixed position. The air pump generates adsorbed air and transmits it to the inside of the cleaning plate 606 through the recovery tank 602 and the second conveying pipe 604, and transmits it to the outside through the adsorption hole 6061. The electric telescopic column controls the cleaning plate 606 to slowly move to the welding of the raw material. The adsorbed air in the adsorption hole 6061 is transmitted to the welding position of the raw material to clean and recycle the dust and impurities in the area.

[0052] After the welding of the raw material is completed, the air pump generates compressed air of a specific temperature through the internally arranged temperature adjusting device and transmits it to the inside of the auxiliary clamping plate 608 through the first conveying pipe 603 and the air outlet end of the multi-hole pipe a 607, so as to adjust the temperature of the outer surface of the auxiliary clamping plate 608. In this process, the auxiliary clamping plate 608 further accelerates the cooling efficiency of the welded raw material, avoiding the deformation of the rubber adsorption end of the automatic conveying device 4 due to the high temperature of the surface of the welded raw material.

[0053] Position adjustment process: after the raw material dust removal is completed, the electric control displacement device controls the main clamping plate 605 to drive the two groups of raw materials to move to the position of the other party, until the welding position of the two groups of raw materials contact each other, when the two groups of raw materials contact each other, the other side of the two groups of raw materials contacts the corresponding induction plate 616, and drives each group of induction plate 616 to move to the position of the air pressure chamber 614, so as to change the size of the induction space formed between the induction plate 616 and the air pressure chamber 614, at the same time, the air pressure monitoring device 609 monitors the air pressure data in each group of induction space through the multi-hole pipe b610, and transmits to the control unit integrated in the welding processing table 1, when the relative position of the two groups of raw materials appears position deviation, the extrusion force of the relative position of the two groups of raw materials to the induction plate 616 is greater than the extrusion force of the other position of the induction plate 616, and the spring group 615 applies additional spring force to the induction plate 616, so the volume of the induction space in this area is greater than that of the induction space in other positions;

[0054] The control unit simulates the analog air pressure data generated in each group of induction space when the two groups of raw materials are in normal contact state, and integrates the analog air pressure data to form a threshold range, the control unit compares the real-time air pressure data in each group of induction space with the threshold range, if the real-time air pressure data is not in the threshold range, it can be judged that the welding position of the two groups of raw materials appears deviation, the air pump generates compressed air and transmits to the inside of the telescopic adjusting plate 611 through the first conveying pipe 603 and the other group of air outlet of the multi-hole pipe a607, drives the telescopic adjusting plate 611 to be in the stretched state, the second servo motor 613 controls the telescopic adjusting plate 611 to rotate ninety degrees until the telescopic adjusting plate 611 contacts the two sides of the raw material, in this process, the raw material is in the non-clamping state, so as to facilitate the telescopic adjusting plate 611 to adjust the welding position of the raw material, after the fine adjustment is completed, the main clamping plate 605 and the auxiliary clamping plate 608 clamp the raw material again, and control the welding position of the two groups of raw materials to be in contact with each other, the air pressure monitoring device 609 collects the air pressure data in each group of induction space again, and transmits to the control unit, if each group of real-time air pressure data is in the threshold range, it is judged that the welding position of the two groups of raw materials is adjusted, and is in the non-inclined state, the automatic welding device 501 can weld the raw material, if part of the air pressure data is not in the threshold range, it is judged that the two groups of raw materials appear abnormal welding, the control unit sends a warning signal to the on-site workers, reminding the workers to recheck the work.

[0055] Finally should be explained a few points are: first, in the description of the present application, it should be pointed out that, unless otherwise specified and limited, the term "installation", "connected", "connection" should be broad, can be mechanical or electrical connection, but also can be two elements inside the communication, can be directly connected, "up", "down", "left", "right" and so on, only for indicating the relative position relationship, when the absolute position of the described object changes, the relative position relationship may change;

[0056] Second: the present application discloses the embodiment in the drawing, only relates to the structure involved in the present application, other structures can refer to the usual design, in the case of no conflict, the same embodiment and different embodiments of the present application can be combined with each other;

[0057] Finally: the above only for the preferred embodiment of the present application, and not for limiting the present application, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application, should be included in the protection scope of the present application.

Claims

1. A welding device for battery tab processing, comprising a welding processing desktop (1), the upper surface of the right side of the welding processing desktop (1) is provided with a raw material providing device (2), and the upper surface of the position away from the raw material providing device (2) of the welding processing desktop (1) is provided with a processing platform (5), characterized in that, Also include: Wherein the upper surface of the processing platform (5) is provided with automatic conveying device (4) on both sides, for the transportation of raw materials, the welding processing desktop (1) is installed with storage device (3) on the upper surface near the automatic conveying device (4) position, for the recovery of raw materials after welding; The inner part of the middle area of the processing platform (5) is provided with automatic monitoring clamping assembly (6), the upper surface of the right side of the automatic monitoring clamping assembly (6) is provided with automatic monitoring clamping assembly (6), and the upper surface of the processing platform (5) is provided with automatic welding device (501) near the position of the electric control processing plate (502). The automatic monitoring clamping assembly (6) inputs stable working current, which is used for monitoring the real-time position of the clamped raw materials, and fine tuning operation is performed on the raw materials with position deviation, and dust recovery operation is performed on the welding position of the raw materials.

2. The welding device for battery tab processing of claim 1, wherein: The automatic monitoring clamping assembly (6) includes a limiting frame (601), wherein the limiting frame (601) is installed on the upper surface of the right side of the electric control processing plate (502), and the outer surface of the electric control processing plate (502) is installed with a recovery tank (602) near the limiting frame (601) position, wherein the bottom of the recovery tank (602) is installed with an air pump, and the air pump is provided with a temperature adjusting device inside, which is used for adjusting the real-time temperature of the gas output by the air pump.

3. The welding device for battery tab processing of claim 2, wherein: The outer side of the recovery tank (602) is provided with a second conveying pipe (604) penetrating near the limiting frame (601) position, wherein one end of the second conveying pipe (604) away from the recovery tank (602) is provided with a cleaning plate (606), and the side of the cleaning plate (606) is provided with an electric control telescopic column, wherein one end of the electric control telescopic column away from the cleaning plate (606) is vertically installed on the inner side of the middle area of the limiting frame (601), and the outer surface of the cleaning plate (606) is provided with an adsorption hole (6061). The inner part of both ends of the limiting frame (601) is provided with a main clamping plate (605).

4. The welding device for battery tab processing of claim 3, wherein: The bottom of each group of main clamping plates (605) is provided with an electric control displacement device, the two sides of the air pump are provided with a first conveying pipe (603) penetrating, one end of the first conveying pipe (603) away from the air pump is provided with a porous pipe a (607), the middle area of the top of the main clamping plate (605) is provided with an auxiliary clamping plate (608), the side of the bottom of the auxiliary clamping plate (608) is provided with a first servo motor (612), and the first servo motor (612) is arranged in the inner part of the main clamping plate (605).

5. The welding device for battery tab processing of claim 4, wherein: The porous pipe a (607) includes two groups of gas outlet, wherein one group of gas outlet of the porous pipe a (607) is arranged in the inner part of the auxiliary clamping plate (608), the inner part of one side of the auxiliary clamping plate (608) is provided with an output hole (6081), wherein one end of the output hole (6081) extends to the inner part of the auxiliary clamping plate (608), and the other end of the output hole (6081) extends to the outer part of the auxiliary clamping plate (608). The inner part of the middle area of both sides of the main clamping plate (605) is provided with a telescopic adjusting plate (611).

6. The welding device for battery tab processing of claim 5, wherein: The second servo motor (613) is installed on the upper surface of the telescopic adjusting plate (611) near the position of the limiting frame (601), the second servo motor (613) is installed in the interior of the main clamping plate (605), and the other group of air outlet ends of the multi-hole pipe a (607) are arranged in the interior of the telescopic adjusting plate (611); The bottom interior of the main clamping plate (605) away from the position of the limiting frame (601) is sequentially and equidistantly provided with a plurality of groups of air pressure cabins (614).

7. The welding device for battery tab processing of claim 6, wherein: The interior of each group of air pressure cabins (614) is sleeved with an induction plate (616), wherein the side surface of each group of air pressure cabins (614) and the corresponding group of induction plates (616) are vertically provided with the same spring group (615), the side surface between each group of air pressure cabins (614) and the corresponding group of induction plates (616) forms an induction space, a certain amount of compressed air is arranged in the induction space, the main clamping plate (605) is provided with an air pressure monitoring device (609) on the side surface near the position of the limiting frame (601), the interior of the air pressure monitoring device (609) is provided with a multi-hole pipe b (610), wherein the multi-hole pipe b (610) comprises a plurality of groups of monitoring ends, and each group of monitoring ends is sequentially arranged in the interior of the corresponding air pressure cabin (614).

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