Switching piece welding equipment

By designing an adapter sheet welding equipment containing a variety of innovative components, the problems of low efficiency and poor quality of existing equipment are solved, efficient and accurate welding and inspection are achieved, and the production efficiency and product quality of new energy lithium battery cell manufacturing are significantly improved.

CN222830927UActive Publication Date: 2025-05-06SHENZHEN HANHE INTELLIGENT MFG CO LTD
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Patent Information

Application Number
CN202421800773.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-26
Publication Date
2025-05-06
Estimated Expiration
2034-07-26

AI Technical Summary

Technical Problem

The existing adapter welding equipment has problems of low output, slow efficiency and poor quality, which is difficult to meet the production needs of new energy lithium battery cell manufacturing.

Method used

An adapter sheet welding equipment is designed, including top cover loading assembly, battery core loading assembly, material grabbing mechanism, laser welding assembly, welding printing adhesive assembly and U-shaped adhesive assembly. Through technical means such as double-layer coded module, three-station linear motor assembly and high-power galvanometer welding system, rapid loading, precise welding and efficient inspection are achieved.

Benefits of technology

It effectively improves production efficiency, ensures the continuity and stability of the welding process, and realizes high-precision visual inspection through CCD image detector, improving product quality.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses adapter piece welding equipment, which relates to the field of battery production devices, and comprises a top cover feeding assembly, a battery cell feeding assembly, a first grabbing mechanism, a laser welding assembly, a second grabbing mechanism, a welding printing rubberizing assembly, a third grabbing mechanism, a U-shaped rubber rubberizing assembly and a discharging mechanism which are sequentially arranged according to the working process. A unique double-layer structure is adopted in the double-layer code carving module, a plurality of top covers can be processed at the same time, the feeding time is greatly shortened, the continuity and stability of the welding process are ensured through rapid and accurate material moving and positioning of the three-station linear motor assembly, and meanwhile the processing capacity is improved; the high-power galvanometer welding system not only realizes efficient and high-quality welding, but also has the characteristic of adjustable light spot shape and size, and adapts to various welding requirements; in addition, a CCD image detector arranged on the material grabbing mechanism realizes high-precision visual detection, and the high-precision visual detection is combined with manual detection, so that the production quality of products is further guaranteed.
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Description

Technical Field

[0001] The utility model relates to the field of battery production devices, in particular to a switching piece welding device. Background Art

[0002] New energy lithium battery is a battery that uses lithium metal or lithium alloy as the negative electrode material and adopts non-aqueous electrolyte. It has become an ideal energy carrier favored by the market due to its significant advantages such as high operating voltage, small size, light weight, sufficient energy, no pollution and long cycle life.

[0003] In the middle process of manufacturing new energy battery cells, the positive and negative electrodes of the cell adapter sheet need to be welded to the positive and negative electrodes of the top cover. However, the existing adapter sheet welding equipment has many defects, not only with low output and slow efficiency, but also poor quality, which is difficult to meet the actual production and use needs.

[0004] Therefore, how to develop an adapter welding equipment that can quickly load the top cover and battery cells and complete the welding operation, effectively improve production efficiency, and at the same time, perform CCD secondary inspection on the battery cells after gluing to improve product quality has become a technical problem that needs to be urgently solved by people in this field. Utility Model Content

[0005] The utility model aims to provide an adapter welding device, which can quickly load the top cover and the battery core and complete the welding operation, effectively improve the production efficiency, and at the same time, perform CCD secondary detection on the battery core after gluing to improve product quality.

[0006] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0007] The utility model discloses an adapter welding device, comprising a top cover feeding assembly, a battery core feeding assembly, a first material grabbing mechanism, a laser welding assembly, a second material grabbing mechanism, a welding and printing glue sticking assembly, a third material grabbing mechanism, a U-shaped glue sticking assembly and a material unloading mechanism, which are arranged in sequence according to the working process.

[0008] The top cover loading assembly and the battery cell loading assembly are arranged side by side on one side of the long side direction of the laser welding assembly, and the discharge ends of the top cover loading assembly and the battery cell loading assembly are arranged corresponding to the feed end of the laser welding assembly.

[0009] The first material grabbing mechanism is arranged above the feeding end of the laser welding assembly and is used to move the qualified top cover output by the top cover feeding assembly and the qualified battery cell output by the battery cell feeding assembly to the welding position of the laser welding assembly for welding operation.

[0010] The welding print glue assembly is arranged on the same side as the top cover loading assembly and the battery core loading assembly, and the feeding end of the welding print glue assembly is arranged corresponding to the discharging end of the laser welding assembly.

[0011] The second material grabbing mechanism is arranged above the discharge end of the laser welding assembly, and is used to move the welded battery cells output by the laser welding assembly to the feed end of the welding print and gluing assembly, and sequentially perform battery cell dust removal, welding print detection, welding print and gluing, gluing visual inspection, fixture opening and pulling, and core closing operations.

[0012] The U-shaped adhesive component is horizontally arranged at the discharge end of the welding adhesive component, and the feed end of the U-shaped adhesive component is arranged corresponding to the discharge end of the welding adhesive component.

[0013] The third material grabbing mechanism is arranged in the middle of the welding and printing gluing assembly and the U-shaped gluing assembly, and is used to move the battery cell output by the welding and printing gluing assembly that has completed the core closing operation to the feeding end of the U-shaped gluing assembly for side gluing and tail gluing operations.

[0014] The unloading mechanism is arranged at the discharging end of the U-shaped glue sticking assembly and is used to move the battery cells with qualified glue sticking output by the U-shaped glue sticking assembly to the logistics line of the next process.

[0015] Preferably, the top cover loading assembly includes a trolley assembly, a top cover feeding assembly, a top cover picking assembly, a double-layer coding module, a top cover coding assembly, a top cover loading and unloading assembly, a top cover platform flipping and translation mechanism and a top cover NG belt line which are arranged in sequence according to the work flow; a plurality of trolley assemblies for providing top cover raw materials are arranged side by side below the top cover feeding assembly; the top cover feeding assembly is equipped with a suction nozzle, and the suction nozzle is used to absorb and move the top covers in the trolley assembly one by one into the working range of the clamping jaws of the top cover picking assembly; the top cover picking assembly is clamped by The claw clamps the top cover and transports it to the fixture of the double-layer engraving module. The double-layer engraving module is used to move the top cover to the predetermined engraving position of the top cover engraving assembly for engraving operation. The top cover loading and unloading assembly is located on one side of the top cover engraving assembly, and is used to move the top cover that has completed engraving to the fixture of the top cover platform flipping and translation mechanism for flipping up and down. The second grabbing mechanism is used to grab the flipped top cover and perform engraving inspection. The qualified top cover is transported to the feed port of the laser welding assembly, and the unqualified top cover is transported to the top cover NG belt line.

[0016] Preferably, the battery cell loading assembly comprises a battery cell loading belt line, and the battery cell loading belt line is arranged in parallel above the top cover NG belt line.

[0017] Preferably, the laser welding assembly includes a pressure plate preparation assembly, a welding pressure plate assembly, a three-axis welding module servo motor, a high-power galvanometer welding system, a three-station linear motor assembly and a workbench. A plurality of the welding pressure plate assemblies are arranged at equal intervals on one side of the welding end of the workbench. The pressure plate preparation assembly matches the number of the welding pressure plate assemblies and is correspondingly arranged below the welding pressure plate assembly for storing and providing the pressure plates required for welding. The three-axis welding module servo motor is arranged above the welding pressure plate assembly for driving the welding head and the high-power galvanometer welding system to move with high precision in three-dimensional space. The high-power galvanometer welding system is used to project a laser beam onto a welding point. The three-station linear motor assembly is installed on a side of the workbench away from the welding end, and is used to move the top cover and battery cells with qualified coding transported by the first grabbing mechanism to the corresponding stations at the welding end for welding.

[0018] Preferably, the welding and printing glue assembly includes a welding and printing glue rising assembly, a welding and printing glue dust removal assembly, a welding and printing glue head assembly, a welding and printing glue upper and lower layer circulation line, an opening mechanism, a welding and printing glue descending assembly, a core closing assembly and a welding and printing glue NG belt line which are arranged in sequence according to the work flow. A plurality of jigs for placing battery cells are arranged at equal intervals on the welding and printing glue upper and lower layer circulation line. Each jig is driven by the welding and printing glue upper and lower layer circulation line and passes through the welding and printing glue rising assembly, the welding and printing dust removal assembly, the welding and printing glue head assembly, the welding and printing glue upper and lower layer circulation line in sequence. The layer circulation line and the opening mechanism are configured, and the battery cells are returned to the welding stamp and glue ascending assembly through the welding stamp and glue descending assembly to realize the circulation linkage. The welded battery cells are transported to the fixture located in the welding stamp and glue ascending assembly through the second grabbing mechanism, and the battery cell dust removal, welding stamp detection, welding stamp and glue sticking, glue visual inspection, and fixture opening and pulling operations are completed in sequence. The third grabbing mechanism is used for the secondary inspection of battery cell glue sticking, and the battery cells that pass the glue sticking inspection are transported to the core closing assembly for core closing operation, and the unqualified battery cells are transported to the welding stamp and glue sticking NG belt line.

[0019] Preferably, the weld stamp adhesive assembly further comprises a weld stamp adhesive preparation assembly, and the weld stamp adhesive preparation assembly is arranged on one side of the weld stamp adhesive head assembly, and is used to provide the adhesive tape required for battery cell adhesive bonding.

[0020] Preferably, the U-shaped glue sticking assembly includes an adapter plate welding line blanking, blanking transfer, a bottom U-shaped glue sticking head, a side U-shaped glue sticking head, a U-shaped glue sticking descending assembly, a U-shaped glue sticking upper and lower layer circulation line, a U-shaped glue sticking ascending assembly and a blanking NG belt line. The U-shaped glue sticking ascending assembly, the bottom U-shaped glue sticking head, the side U-shaped glue sticking head, the U-shaped glue sticking upper and lower layer circulation line and the U-shaped glue sticking descending assembly are arranged in sequence according to the work flow, and a plurality of jigs for placing battery cells are arranged at equal intervals on the U-shaped glue sticking upper and lower layer circulation line. Each jig, driven by the U-shaped glue sticking upper and lower layer circulation line, passes through the U-shaped glue sticking ascending assembly, the bottom U-shaped glue sticking head and the side U-shaped glue sticking head in sequence, and returns to the U-shaped glue sticking ascending assembly through the U-shaped glue sticking descending assembly to realize Circular linkage, the unloading NG belt line is arranged on one side of the U-shaped glue pasting upper and lower layer circulation line, the adapter welding line unloading and unloading transfer are arranged on the other side of the U-shaped glue pasting upper and lower layer circulation line, the third grabbing mechanism moves the battery cell that has completed the core closing operation to the unloading transfer, and converts the vertical battery cell into a horizontal battery cell by flipping, the third grabbing mechanism transports the horizontal battery cell to the fixture located in the U-shaped glue pasting rising assembly, and completes the bottom glue pasting and side glue pasting operations of the battery cell in turn, the third grabbing mechanism is also used for detecting and transporting the glued battery cell, the battery cell that has passed the inspection of glue pasting is first transported to the adapter welding line unloading for distance changing operation, and then transported to the logistics line of the next process by the unloading mechanism, the battery cell that has failed the inspection of glue pasting is transported to the unloading NG belt line by the third grabbing mechanism.

[0021] Preferably, the U-shaped glue sticking assembly also includes a bottom glue sticking preparation assembly and a side glue sticking preparation assembly. The bottom glue sticking preparation assembly is arranged on one side of the U-shaped bottom glue sticking head to provide the tape required for the bottom glue sticking of the battery cell; the side glue sticking preparation assembly is arranged on one side of the U-shaped side glue sticking head to provide the tape required for the side glue sticking of the battery cell.

[0022] Preferably, the first grabbing mechanism, the second grabbing mechanism, the third grabbing mechanism and the unloading mechanism have the same structure and all include a grabbing mechanism, a mobile transport mechanism and a fixed bracket. The mobile transport mechanism and the grabbing mechanism are arranged on the fixed bracket, and the grabbing mechanism is arranged at the end of the mobile transport mechanism.

[0023] Preferably, the first material grabbing mechanism, the second material grabbing mechanism and the third material grabbing mechanism further include a CCD image detector, and the CCD image detector is arranged on one side of the working end of the grabbing mechanism.

[0024] Compared with the prior art, the beneficial technical effects of the utility model are:

[0025] 1) The double-layer coding module adopts a double-layer structure design, which can simultaneously accommodate and transport multiple top covers to the predetermined coding position of the top cover coding component for coding operations, increasing the top cover processing volume for each coding operation, thereby effectively reducing the feeding time of the top cover, greatly improving the production efficiency and overall processing capacity of the equipment;

[0026] 2) The three-station linear motor assembly is installed on the side of the workbench away from the welding end, so that it can quickly and accurately move the top cover and battery core with qualified coding delivered by the first material grabbing mechanism to the corresponding station at the welding end for welding, and through the precise control of the linear motor, the rapid switching of the station and the precise positioning of the material are realized, which not only shortens the loading time, but also ensures the continuity and stability of the welding process; in addition, the three-station design enables the laser welding assembly to process multiple workpieces at the same time, further improving production efficiency;

[0027] 3) The setting of the high-power galvanometer welding system can not only accurately project the laser beam onto the welding point to achieve efficient and high-quality welding, but also the shape and size of the light spot can be adjusted. This feature enables the utility model to adapt to different adapter and top cover welding requirements;

[0028] 4) Setting of the grabbing mechanism: The grabbing ends of the first grabbing mechanism, the second grabbing mechanism, and the third grabbing mechanism are all equipped with CCD image detectors, so that the grabbing mechanism can perform high-precision visual inspection when grabbing components such as the top cover and battery cells. Whether it is the engraving of the top cover, the welding of the battery cells, or the subsequent gluing process, the CCD image detector can capture and analyze the image of the components in real time to ensure that each step of the process meets the established quality standards, cooperate with the visual inspection of the staff, and realize the dual inspection mechanism, which further improves the production quality of the product.

[0029] In general, the double-layer engraving module in the utility model adopts a unique double-layer structure, which can process multiple top covers at the same time, greatly reducing the feeding time and improving production efficiency; the three-station linear motor assembly ensures the continuity and stability of the welding process through fast and accurate material movement and positioning, while improving the processing capacity; the high-power galvanometer welding system not only realizes efficient and high-quality welding, but also has the characteristics of adjustable spot shape and size, which can adapt to various welding needs; in addition, the CCD image detector equipped with the grabbing mechanism realizes high-precision visual inspection, which is combined with manual inspection to further ensure the production quality of the product. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] The utility model will be further described below in conjunction with the accompanying drawings.

[0031] Figure 1 This is a schematic diagram of the overall structure of an adapter welding device of the utility model;

[0032] Figure 2 This is a schematic diagram of the connection structure between the top cover loading assembly and the battery core loading assembly of the utility model;

[0033] Figure 3 This is a schematic diagram of the structure of the laser welding assembly of the utility model;

[0034] Figure 4 This is a schematic diagram of the structure of the welding, printing and gluing assembly of the utility model;

[0035] Figure 5 This is a schematic diagram of the structure of the U-shaped adhesive tape assembly of the utility model;

[0036] Figure 6 It is a schematic diagram of the connection structure between the double-layer coding module and the top cover coding assembly of the utility model.

[0037] Description of reference numerals:

[0038] 1. Top cover loading assembly; 101. Trolley assembly; 102. Top cover feeding assembly; 103. Top cover taking assembly; 104. Double-layer coding module; 1041. Upper module; 1042. Lower module; 1043. Upper top cover fixture; 1044. Lower top cover fixture; 105. Top cover coding assembly; 1051. Coding galvanometer; 1052. Code scanning assembly; 106. Top cover loading and unloading assembly; 107. Top cover platform flipping and translation mechanism; 108. Top cover NG belt line;

[0039] 2. Battery cell loading assembly;

[0040] 3. The first material grabbing mechanism;

[0041] 4. Laser welding assembly; 401. Platen preparation assembly; 402. Welding platen assembly; 403. Three-axis welding module servo motor; 404. High-power galvanometer welding system; 405. Three-station linear motor assembly; 406. Workbench;

[0042] 5. The second material grabbing mechanism;

[0043] 6. Welding and printing glue assembly; 601. Welding and printing glue lifting assembly; 602. Welding and printing dust removal assembly; 603. Welding and printing glue head assembly; 604. Welding and printing glue upper and lower layer circulation line; 605. Opening mechanism; 606. Welding and printing glue lowering assembly; 607. Core closing assembly; 608. Welding and printing glue NG belt line; 609. Welding and printing glue standby glue assembly;

[0044] 7. The third material grabbing mechanism;

[0045] 8. U-shaped adhesive glue assembly; 801. Adapter welding line unloading; 802. Unloading transfer; 803. U-shaped bottom adhesive glue head; 804. Side U-shaped adhesive glue head; 805. U-shaped adhesive glue lowering assembly; 806. U-shaped adhesive glue upper and lower layer circulation line; 807. U-shaped adhesive glue rising assembly; 808. Unloading NG belt line; 809. Bottom adhesive glue preparation assembly; 810. Side adhesive glue preparation assembly;

[0046] 9. Unloading mechanism. DETAILED DESCRIPTION

[0047] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0048] like Figure 1-6 As shown, an adapter welding device includes a top cover loading assembly 1, a battery cell loading assembly 2, a first grabbing mechanism 3, a laser welding assembly 4, a second grabbing mechanism 5, a welding and printing glue assembly 6, a third grabbing mechanism 7, a U-shaped glue assembly 8 and a unloading mechanism 9, which are arranged in sequence according to the work flow.

[0049] The top cover loading assembly 1 and the battery cell loading assembly 2 are arranged side by side on one side of the long side direction of the laser welding assembly 4, and the discharge ends of the top cover loading assembly 1 and the battery cell loading assembly 2 are arranged corresponding to the feed end of the laser welding assembly 4.

[0050] The first material grabbing mechanism 3 is arranged above the feeding end of the laser welding assembly 4, and is used to move the qualified top cover output by the top cover feeding assembly 1 and the qualified battery cell output by the battery cell feeding assembly 2 to the welding position of the laser welding assembly 4 for welding operation.

[0051] The welding print glue assembly 6 is arranged on the same side as the top cover loading assembly 1 and the battery core loading assembly 2, and the feeding end of the welding print glue assembly 6 is arranged corresponding to the discharging end of the laser welding assembly 4.

[0052] The second material grabbing mechanism 5 is arranged above the discharge end of the laser welding assembly 4, and is used to move the welded battery cells output by the laser welding assembly 4 to the feed end of the welding print and gluing assembly 6, and sequentially perform battery cell dust removal, welding print detection, welding print and gluing, gluing visual inspection, fixture opening and pulling, and core closing operations.

[0053] The U-shaped adhesive component 8 is horizontally arranged at the discharge end of the welding adhesive component 6, and the feed end of the U-shaped adhesive component 8 is arranged corresponding to the discharge end of the welding adhesive component 6.

[0054] The third material grabbing mechanism 7 is arranged in the middle of the welding and printing gluing assembly 6 and the U-shaped gluing assembly 8, and is used to move the battery cell output by the welding and printing gluing assembly 6 that has completed the core closing operation to the feeding end of the U-shaped gluing assembly 8 for side gluing and tail gluing operations.

[0055] The unloading mechanism 9 is arranged at the discharging end of the U-shaped adhesive bonding component 8, and is used to move the battery cells with qualified adhesive bonding output by the U-shaped adhesive bonding component 8 to the logistics line of the next process.

[0056] Specifically, Figure 2 As shown, the top cover loading component 1 includes a trolley component 101, a top cover feeding component 102, a top cover picking component 103, a double-layer coding module 104, a top cover coding component 105, a top cover loading and unloading component 106, a top cover platform flipping and translation mechanism 107 and a top cover NG belt line 108, which are arranged in sequence according to the working process. A plurality of trolley components 101 for providing top cover raw materials are arranged side by side below the top cover feeding component 102. The top cover feeding component 102 is equipped with a suction nozzle, and the top covers in the trolley component 101 are adsorbed and moved one by one into the working range of the clamping jaws of the top cover picking component 103 through the suction nozzle. The top cover The material picking component 103 clamps the top cover through the clamping claws and transports it to the fixture of the double-layer engraving module 104. The double-layer engraving module 104 is used to move the top cover to the predetermined engraving position of the top cover engraving component 105 for engraving operation. The top cover loading and unloading component 106 is located on one side of the top cover engraving component 105, and is used to move the top cover that has completed engraving to the fixture of the top cover platform flipping and translation mechanism 107 for up and down flipping. The second grabbing mechanism 5 is used to grab the flipped top cover and perform engraving inspection. The qualified top cover is transported to the feed port of the laser welding component 4, and the unqualified top cover is transported to the top cover NG belt line 108.

[0057] Specifically, Figure 6 As shown, the double-layer coding module 104 comprises an upper module (1041), a lower module (1042), an upper top cover jig (1043) and a lower top cover jig (1044); the upper module (1041) and the lower module (1042) are of an integrated layered design; a plurality of the upper top cover jigs (1043) are arranged side by side at equal intervals on the top of the upper module (1041); a plurality of the lower top cover jigs (1044) are arranged side by side at equal intervals on the top of the lower module (1042); the upper top cover jig (1043) and the lower top cover jig (1044) are both used to hold the top cover clamped by the top cover material taking component 103, and the number of the upper top cover jigs (1043) and the number of the lower top cover jigs (1044) are the same;

[0058] The top cover code engraving component 105 comprises a code engraving galvanometer (1051) and a code scanning component (1052), wherein the number of the code scanning components (1052) matches the number of the upper top cover jigs (1043) arranged on the top of the upper module (1041), or the number of the code scanning components (1052) matches the number of the lower top cover jigs (1044) arranged on the top of the lower module (1042).

[0059] Specifically, the top cover material taking component 103 clamps a plurality of top covers respectively and places them in the upper top cover fixture (1043) and the lower top cover fixture (1044). Subsequently, the driving device for driving the upper module (1041) and the lower module (1042) to move positions starts to work, and the upper module (1041) drives the upper top cover fixture (1043) and the top covers placed in the upper top cover fixture (1043) to move to the coding galvanometer ( After the coding operation of one of the top covers is completed, the driving device continues to drive the upper module (1041) to move in the horizontal direction until the second upper top cover jig (1043) on the upper module (1041) moves to the predetermined coding position of the coding galvanometer (1051), and then the coding operation of the top cover is performed again, and the above operation steps are repeated until all the coding operations on the top covers of the upper module (1041) are completed;

[0060] Then, the driving device for driving the upper module (1041) and the lower module (1042) to move continues to work, and the lower module (1042) drives the lower top cover fixture (1044) and the top cover placed in the lower top cover fixture (1044) to move to the predetermined coding position of the coding galvanometer (1051) to perform coding operation. The top cover coding operation of the lower module (1042) is consistent with that of the upper module (1041), which will not be described in detail here.

[0061] Finally, the driving device drives the upper module (1041) and the lower module (1042) to move to the predetermined scanning positions of the scanning assembly (1052) to perform the scanning operation of the top cover. After completing the scanning operation of all the top covers, the top cover loading and unloading assembly 106 moves the top cover to the fixture of the top cover platform flipping and translation mechanism 107 to flip the top and bottom positions, and continue the subsequent process flow.

[0062] Specifically, the battery cell loading assembly 2 includes a battery cell loading belt line, and the battery cell loading belt line is arranged in parallel above the top cover NG belt line 108 .

[0063] Specifically, Figure 3As shown, the laser welding assembly 4 includes a platen preparation assembly 401, a welding platen assembly 402, a three-axis welding module servo motor 403, a high-power galvanometer welding system 404, a three-station linear motor assembly 405 and a workbench 406. A plurality of welding platen assemblies 402 are arranged at equal intervals on one side of the welding end of the workbench 406. The platen preparation assembly 401 matches the number of the welding platen assemblies 402 and is correspondingly arranged below the welding platen assembly 402 for storing and providing welding materials. The required pressure plate, the three-axis welding module servo motor 403 is arranged above the welding pressure plate assembly 402, and is used to drive the welding head and the high-power galvanometer welding system 404 to move with high precision in three-dimensional space. The high-power galvanometer welding system 404 is used to project the laser beam onto the welding point, and the three-station linear motor assembly 405 is installed on the side of the workbench 406 away from the welding end, and is used to move the top cover and battery cell with qualified coding conveyed by the first grabbing mechanism 3 to the corresponding station of the welding end for welding.

[0064] Specifically, Figure 4 As shown, the welding and printing glue assembly 6 includes a welding and printing glue rising assembly 601, a welding and printing dust removal assembly 602, a welding and printing glue head assembly 603, a welding and printing glue upper and lower layer circulation line 604, an opening mechanism 605, a welding and printing glue descending assembly 606, a core closing assembly 607 and a welding and printing glue NG belt line 608, which are arranged in sequence according to the work flow. A plurality of jigs for placing battery cells are arranged at equal intervals on the welding and printing glue upper and lower layer circulation line 604. Each jig is driven by the welding and printing glue upper and lower layer circulation line 604 and passes through the welding and printing glue rising assembly 601, the welding and printing dust removal assembly 602, the welding and printing glue head assembly 603 in sequence. 3. The upper and lower layer circulation lines 604 and the opening mechanism 605 of the weld stamp and glue pasting are connected, and the weld stamp and glue pasting ascending component 601 is returned to the weld stamp and glue pasting ascending component 601 through the weld stamp and glue pasting descending component 606 to realize the circulation linkage. The welded battery cells are transported to the fixture located in the weld stamp and glue pasting ascending component 601 through the second grasping mechanism 5, and the battery cell dust removal, weld stamp detection, weld stamp and glue pasting, glue pasting visual inspection, and fixture opening and pulling operations are completed in sequence. The third grasping mechanism 7 is used for the secondary inspection of battery cell glue pasting, and the battery cells that pass the glue pasting inspection are transported to the core closing component 607 for core closing operation, and the unqualified battery cells are transported to the weld stamp and glue pasting NG belt line 608.

[0065] Specifically, the soldering adhesive assembly 6 further includes a soldering adhesive preparation assembly 609, which is disposed on one side of the soldering adhesive head assembly 603 and is used to provide adhesive tape required for cell adhesive bonding.

[0066] Specifically, Figure 5As shown, the U-shaped glue sticking assembly 8 includes an adapter plate welding line unloading 801, a unloading transfer 802, a bottom U-shaped bottom glue sticking head 803, a side U-shaped glue sticking head 804, a U-shaped glue sticking descending assembly 805, a U-shaped glue sticking upper and lower layer circulation line 806, a U-shaped glue sticking ascending assembly 807 and an unloading NG belt line 808, the U-shaped glue sticking ascending assembly 807, the bottom U-shaped bottom glue sticking head 803, the side U-shaped glue sticking head 804, the U-shaped glue sticking The upper and lower circulation lines 806 and the U-shaped glue sticking descending assembly 805 are arranged in sequence according to the work flow. A plurality of jigs for placing battery cells are arranged at equal intervals on the U-shaped glue sticking upper and lower circulation lines 806. Each jig is driven by the U-shaped glue sticking upper and lower circulation lines 806 and passes through the U-shaped glue sticking ascending assembly 807, the bottom U-shaped glue sticking head 803 and the side U-shaped glue sticking head 804 in sequence, and returns to the U-shaped glue sticking descending assembly 805. The U-shaped glue sticking lifting component 807 realizes a circular linkage, the unloading NG belt line 808 is arranged on one side of the U-shaped glue sticking upper and lower layer circulation line 806, the adapter plate welding line unloading 801 and the unloading transfer 802 are arranged on the other side of the U-shaped glue sticking upper and lower layer circulation line 806, the third grabbing mechanism 7 moves the battery cell that has completed the core closing operation to the unloading transfer 802, and converts the vertical battery cell into a horizontal battery cell by flipping, the third grabbing mechanism 7 transports the horizontal battery cell to the fixture located in the U-shaped glue sticking lifting component 807, and completes the bottom glue sticking and side glue sticking operations of the battery cell in turn, the third grabbing mechanism 7 is also used for the detection and transportation of the glue sticking battery cell, the battery cell that has passed the inspection of the glue sticking is first transported to the adapter plate welding line unloading 801 for the distance change operation, and then transported to the logistics line of the next process by the unloading mechanism 9, and the battery cell that has failed the inspection of the glue sticking is transported to the unloading NG belt line 808 by the third grabbing mechanism 7.

[0067] Specifically, the U-shaped glue sticking assembly 8 also includes a bottom glue sticking preparation assembly 809 and a side glue sticking preparation assembly 810. The bottom glue sticking preparation assembly 809 is arranged on one side of the U-shaped bottom glue sticking head 803, and is used to provide the tape required for the bottom glue sticking of the battery cell; the side glue sticking preparation assembly 810 is arranged on one side of the U-shaped side glue sticking head 804, and is used to provide the tape required for the side glue sticking of the battery cell.

[0068] Specifically, the first grabbing mechanism 3, the second grabbing mechanism 5, the third grabbing mechanism 7, and the unloading mechanism 9 have the same structure, and all include a grabbing mechanism, a mobile transportation mechanism, and a fixed bracket. The mobile transportation mechanism and the grabbing mechanism are arranged on the fixed bracket, and the grabbing mechanism is arranged at the end of the mobile transportation mechanism.

[0069] Specifically, the first material grabbing mechanism 3, the second material grabbing mechanism 5, and the third material grabbing mechanism 7 further include a CCD image detector, and the CCD image detector is arranged on one side of the working end of the grabbing mechanism.

[0070] The double-layer coding module in this utility model adopts a unique double-layer structure, which can process multiple top covers at the same time, greatly reducing the feeding time and improving production efficiency; the three-station linear motor assembly ensures the continuity and stability of the welding process through fast and accurate material movement and positioning, while improving the processing capacity; the high-power galvanometer welding system not only realizes efficient and high-quality welding, but also has the characteristics of adjustable spot shape and size, which adapts to various welding needs; in addition, the CCD image detector equipped with the material grabbing mechanism realizes high-precision visual inspection, which is combined with manual inspection to further ensure the production quality of the product.

[0071] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0072] The embodiments described above are only descriptions of the preferred methods of the present invention, and are not intended to limit the scope of the present invention. Without departing from the design spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by ordinary technicians in this field should fall within the protection scope determined by the claims of the present invention.

Claims

1. A transfer plate welding device, characterized in that: The invention comprises a top cover loading assembly (1), a battery core loading assembly (2), a first material grabbing mechanism (3), a laser welding assembly (4), a second material grabbing mechanism (5), a welding and printing glue sticking assembly (6), a third material grabbing mechanism (7), a U-shaped glue sticking assembly (8) and a material unloading mechanism (9) which are arranged in sequence according to a work process. The top cover loading assembly (1) and the battery cell loading assembly (2) are arranged side by side on one side of the long side direction of the laser welding assembly (4), and the discharge ends of the top cover loading assembly (1) and the battery cell loading assembly (2) are arranged corresponding to the feed end of the laser welding assembly (4). The first material grabbing mechanism (3) is arranged above the feeding end of the laser welding assembly (4) and is used to move the top cover with qualified coding output by the top cover feeding assembly (1) and the battery cell with qualified coding output by the battery cell feeding assembly (2) to the welding position of the laser welding assembly (4) for welding. The weld printing and gluing assembly (6) is arranged on the same side as the top cover loading assembly (1) and the battery core loading assembly (2), and the feeding end of the weld printing and gluing assembly (6) is arranged corresponding to the discharging end of the laser welding assembly (4). The second material grabbing mechanism (5) is arranged above the discharge end of the laser welding assembly (4) and is used to move the welded battery cells output by the laser welding assembly (4) to the feed end of the welding print and gluing assembly (6), and sequentially perform battery cell dust removal, welding print detection, welding print and gluing, gluing visual detection, fixture opening and pulling, and core closing operations. The U-shaped adhesive adhesive component (8) is arranged horizontally at the discharge end of the welding adhesive component (6), and the feed end of the U-shaped adhesive adhesive component (8) is arranged corresponding to the discharge end of the welding adhesive component (6). The third material grabbing mechanism (7) is arranged in the middle position of the welding and printing gluing assembly (6) and the U-shaped gluing assembly (8), and is used to move the battery cell output by the welding and printing gluing assembly (6) that has completed the core closing operation to the feeding end of the U-shaped gluing assembly (8) for side gluing and tail gluing operations. The unloading mechanism (9) is arranged at the discharge end of the U-shaped adhesive bonding component (8), and is used to move the battery cells with qualified adhesive bonding output by the U-shaped adhesive bonding component (8) to the logistics line of the next process.

2. The adapter welding device according to claim 1, characterized in that: The top cover loading component (1) comprises a trolley component (101), a top cover feeding component (102), a top cover picking component (103), a double-layer coding module (104), a top cover coding component (105), a top cover loading and unloading component (106), a top cover platform flipping and translation mechanism (107) and a top cover NG belt line (108) which are arranged in sequence according to the work flow. A plurality of trolley components (101) for providing top cover raw materials are arranged side by side below the top cover feeding component (102). The top cover feeding component (102) is equipped with a suction nozzle, and the top covers in the trolley component (101) are sucked one by one and moved into the working range of the clamping jaws of the top cover picking component (103) by the suction nozzle. The top cover picking assembly (103) clamps the top cover through the clamping claws and moves it to the fixture of the double-layer coding module (104). The double-layer coding module (104) is used to move the top cover to the predetermined coding position of the top cover coding assembly (105) for coding operation. The top cover loading and unloading assembly (106) is located on one side of the top cover coding assembly (105) and is used to move the top cover that has completed coding to the fixture of the top cover platform flipping and translation mechanism (107) for flipping up and down. The second grasping mechanism (5) is used to grasp the flipped top cover and perform coding inspection. Qualified top covers are moved to the feed port of the laser welding assembly (4), and unqualified top covers are moved to the top cover NG belt line (108).

3. The adapter welding device according to claim 2, characterized in that: The battery cell loading assembly (2) comprises a battery cell loading belt line, and the battery cell loading belt line is arranged in parallel above the top cover NG belt line (108).

4. The adapter welding device according to claim 1, characterized in that: The laser welding assembly (4) comprises a platen preparation assembly (401), a welding platen assembly (402), a three-axis welding module servo motor (403), a high-power galvanometer welding system (404), a three-station linear motor assembly (405) and a workbench (406). A plurality of welding platen assemblies (402) are arranged at equal intervals on one side of the welding end of the workbench (406). The platen preparation assembly (401) matches the number of the welding platen assemblies (402) and is correspondingly arranged below the welding platen assembly (402) for storing and providing A pressure plate required for welding is provided, the three-axis welding module servo motor (403) is arranged above the welding pressure plate assembly (402), and is used to drive the welding head and the high-power galvanometer welding system (404) to move with high precision in three-dimensional space, the high-power galvanometer welding system (404) is used to project a laser beam onto a welding point, and the three-station linear motor assembly (405) is installed on the side of the workbench (406) away from the welding end, and is used to move the top cover and battery core with qualified coding delivered by the first grabbing mechanism (3) to the corresponding station at the welding end for welding.

5. The adapter welding device according to claim 1, characterized in that: The welding and printing glue assembly (6) comprises a welding and printing glue lifting assembly (601), a welding and printing dust removal assembly (602), a welding and printing glue head assembly (603), a welding and printing glue upper and lower layer circulation line (604), an opening mechanism (605), a welding and printing glue lowering assembly (606), a core closing assembly (607) and a welding and printing glue NG belt line (608) which are arranged in sequence according to the work flow. A plurality of jigs for placing battery cells are arranged at equal intervals on the welding and printing glue upper and lower layer circulation line (604). Each jig is driven by the welding and printing glue upper and lower layer circulation line (604) and passes through the welding and printing glue lifting assembly (601), the welding and printing dust removal assembly (602), the welding and printing glue head assembly in sequence. (603), upper and lower layer circulation lines of weld stamp and glue sticking (604) and opening mechanism (605), and return to weld stamp and glue sticking ascending component (601) through weld stamp and glue sticking descending component (606) to realize circulation linkage, the welded battery cell is transported to the jig located in the weld stamp and glue sticking ascending component (601) through the second material grabbing mechanism (5), and the battery cell dust removal, weld stamp detection, weld stamp and glue sticking, glue sticking visual detection, and jig opening and pulling operations are completed in sequence, the third material grabbing mechanism (7) is used for secondary detection of battery cell glue sticking, and the battery cell that passes the glue sticking detection is transported to the core closing component (607) for core closing operation, and the unqualified battery cell is transported to the weld stamp and glue sticking NG belt line (608).

6. The adapter welding device according to claim 5, characterized in that: The soldering glue assembly (6) further comprises a soldering glue preparation assembly (609), wherein the soldering glue preparation assembly (609) is arranged on one side of the soldering glue head assembly (603) and is used to provide the adhesive tape required for the battery cell gluing.

7. The adapter welding device according to claim 1, characterized in that: The U-shaped adhesive tape assembly (8) comprises an adapter plate welding line unloading (801), an unloading transfer (802), a U-shaped bottom adhesive tape head (803), a side U-shaped adhesive tape head (804), a U-shaped adhesive tape lowering assembly (805), a U-shaped adhesive tape upper and lower layer circulation line (806), a U-shaped adhesive tape rising assembly (807) and an unloading NG belt line (808), wherein the U-shaped adhesive tape rising assembly (807), the U-shaped bottom adhesive tape head (803), the side U-shaped adhesive tape head (804), the U The upper and lower layers of the U-shaped adhesive pasting circulation line (806) and the U-shaped adhesive pasting descending assembly (805) are arranged in sequence according to the work flow. A plurality of jigs for placing battery cells are arranged at equal intervals on the U-shaped adhesive pasting circulation line (806). Each jig is driven by the U-shaped adhesive pasting circulation line (806) and passes through the U-shaped adhesive pasting ascending assembly (807), the bottom U-shaped adhesive pasting head (803) and the side U-shaped adhesive pasting head (804) in sequence, and passes through the U-shaped adhesive pasting descending assembly (805). Return to the U-shaped adhesive tape lifting assembly (807) to realize the circulation linkage, the unloading NG belt line (808) is arranged on one side of the U-shaped adhesive tape upper and lower layer circulation line (806), the adapter plate welding whole line unloading (801) and unloading transfer (802) are arranged on the other side of the U-shaped adhesive tape upper and lower layer circulation line (806), the third grabbing mechanism (7) moves the battery cell that has completed the core closing operation into the unloading transfer (802), and converts the vertical battery cell into a horizontal battery cell by flipping, and the third grabbing mechanism ( 7) The horizontal battery cell is transported to the fixture located in the U-shaped glue sticking lifting component (807), and the bottom glue sticking and side glue sticking operations of the battery cell are completed in sequence. The third gripping mechanism (7) is also used to detect and transport the glue-sticking battery cells. The battery cells that have passed the glue sticking test are first transported to the adapter welding line unloading (801) for variable distance operation, and then transported to the logistics line of the next process by the unloading mechanism (9). The battery cells that have failed the glue sticking test are transported to the unloading NG belt line (808) by the third gripping mechanism (7).

8. The adapter welding device according to claim 7, characterized in that: The U-shaped glue sticking assembly (8) also includes a bottom glue sticking preparation assembly (809) and a side glue sticking preparation assembly (810), wherein the bottom glue sticking preparation assembly (809) is arranged on one side of the U-shaped bottom glue sticking head (803) for sticking bottom glue to provide the adhesive tape required for sticking bottom glue to the battery cell; the side glue sticking preparation assembly (810) is arranged on one side of the U-shaped side glue sticking head (804) for sticking side glue to provide the adhesive tape required for sticking side glue to the battery cell.

9. The adapter welding device according to claim 1, characterized in that: The first material grabbing mechanism (3), the second material grabbing mechanism (5), the third material grabbing mechanism (7) and the material unloading mechanism (9) have the same structure and all include a grabbing mechanism, a mobile transport mechanism and a fixed bracket. The mobile transport mechanism and the grabbing mechanism are arranged on the fixed bracket, and the grabbing mechanism is arranged at the end of the mobile transport mechanism.

10. The adapter welding device according to claim 9, characterized in that: The first material grabbing mechanism (3), the second material grabbing mechanism (5) and the third material grabbing mechanism (7) further include a CCD image detector, and the CCD image detector is arranged on one side of the working end of the grabbing mechanism.