Automatic welding device for circular battery and positive and negative tabs

Abstract

The utility model relates to an automatic welding device for a circular battery and positive and negative tabs, which relates to the technical field of battery welding machines, and comprises a four-station rotary battery cell feeding mechanism, a clamping assembly clamps a battery cell from a four-station battery cell rotating table feeding plate for feeding, and then places the battery cell in a jig on a multi-station rotating mechanism; a battery cell shaping station, a four-station rotary upper tab mechanism, a visual welding station, a visual detection station and a rotary discharging mechanism are sequentially arranged in the circumferential direction of the multi-station rotating mechanism; the multi-station rotating mechanism drives the battery cells to perform processing switching, the battery cell shaping station performs battery cell shaping, the four-station rotating upper tab mechanism assists feeding during welding and simultaneously compresses positive and negative tabs of the multiple battery cells, after welding is completed, the adsorption pressing assembly is loosened, and then the visual detection device performs OK or NG detection. Station switching is carried out through the multi-station rotating mechanism, clamping and discharging are carried out through the rotating discharging mechanism, the materials are placed on the OK conveying line and the NG conveying line respectively, integrated welding and detection are carried out, and the production efficiency and the detection standardization and accuracy are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of battery welding machines, in particular to an automatic welding machine for round batteries and positive and negative tabs. Background Art

[0002] During the manufacturing process of earphone batteries, the welding of the battery cells requires manual holding of the positive and negative ears and the battery cells provided by the front end. After manual shaping, they are assembled using a tooling fixture and placed under a supermarket wave welding machine for welding. The loading and welding process is relatively cumbersome, and manual welding has poor consistency, low welding yield and is time-consuming, which increases production costs. Utility Model Content

[0003] The embodiment of the present application provides a circular battery and positive and negative tab automatic welding machine to solve the problems raised in the above background technology.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solution: a circular battery and positive and negative tab automatic welding machine, comprising:

[0005] Machine;

[0006] Four-station rotating cell loading mechanism;

[0007] The clamping assembly of the four-station rotating cell loading mechanism clamps the cell from the loading tray on the four-station rotating table for loading, and then places the cell in the fixture on the multi-station rotating mechanism;

[0008] The multi-station rotating mechanism is provided with a cell shaping station, a four-station rotating upper pole ear mechanism, a visual welding station and a visual inspection station in sequence on the circumference; after detection and judgment at the visual inspection station, the material is unloaded through the rotating unloading mechanism;

[0009] The processing stations are arranged around the multi-station rotating mechanism, and a driving motor is arranged at the bottom of the multi-station rotating mechanism to drive the battery cells to switch the processing stations;

[0010] The battery cell shaping station uses a plurality of cylinders and optical fiber sensing components to simultaneously shape a plurality of battery cells within a limited space, and the optical fiber sensing components assist in monitoring whether there is empty material.

[0011] As a further description of the above technical solution: the four-station rotating cell loading mechanism includes: a visual detection device, an auxiliary linkage module device to identify and grasp the cell, and the linkage module device clamps the cell from the loading tray on the four-station cell rotating table through a front-end clamping component and a push-pull component for loading.

[0012] As a further description of the above technical solution: the four-station rotating upper pole ear mechanism includes a four-station positive and negative pole ear rotating table, a rotating feeding device, an adsorption pressing assembly and a support frame;

[0013] The rotating feeding device of the four-station rotating upper pole ear mechanism assists in feeding during welding and simultaneously presses the positive and negative pole ears of multiple battery cells by adsorbing and pressing the components;

[0014] A driving motor is arranged in the middle of the rotary feeding device to drive the rotary feeding device to rotate to transport the positive and negative tabs;

[0015] The adsorption and pressing assembly is linked by a front suction nozzle and a plurality of cylinders to simultaneously adsorb and press down multiple positive and negative electrodes;

[0016] The support frame is fixedly installed on one side of the visual welding station.

[0017] As a further description of the above technical solution: the visual welding station includes a fixed adjustment lifting platform and a laser welding device; the fixed adjustment lifting platform is fixedly installed on one side of the support frame; it can be adjusted when welding the positive and negative tabs of the battery;

[0018] The laser welding device is hung on a fixed adjustable lifting platform, and performs welding within a limited range when the adsorption and pressing components simultaneously press the positive and negative tabs of multiple battery cells;

[0019] As a further description of the above technical solution: the visual inspection station includes a mobile fixed frame and a detection device; the upper end of the mobile fixed frame is provided with a detection device, and the lower end is fixed to the module to perform mobile monitoring on the welding positions of the positive and negative tabs of the battery;

[0020] The detection device may be a CCD detection device, which captures and detects the welding points of the positive and negative tabs of the battery under the visual inspection station by taking pictures, and then determines whether the product is OK or NG;

[0021] As a further description of the above technical solution: the rotary unloading mechanism includes a push-pull assembly, a push-down device, a rotary unloading device, a bracket, a clamping assembly-1, an OK conveyor line and an NG conveyor line; the push-pull assembly is arranged below the rotary unloading device to assist in unloading the battery tabs;

[0022] The push-down device is fixedly connected to the bracket. When the clamping assembly-1 set at the front end of the rotating unloading device clamps multiple battery cells at the same time, the push-down device pushes down the single spring inside the fixture, and the battery is exposed outside the fixture as a whole, which is convenient for unloading.

[0023] The above technical solution has the following advantages or beneficial effects:

[0024] The device is designed with a multi-station rotating mechanism, in which the battery cells and the positive and negative pole ears are respectively placed on a four-station rotating upper battery cell mechanism and a four-station rotating upper pole ear mechanism for clamping. After the clamping is completed, the positions are switched by the multi-station rotating mechanism, and the battery pole ears on the multi-station rotating mechanism are processed and welded through the position switching. Finally, the completed battery is removed by the rotating unloading mechanism, thereby optimizing the volume of the workbench.

[0025] The multi-station rotating mechanism is provided with a cell shaping station, a four-station rotating upper pole ear mechanism, a visual welding station and a visual inspection station in sequence on the circumference thereof; after inspection and judgment at the visual inspection station, the material is unloaded through the rotating unloading mechanism.

[0026] The processing stations are arranged around the multi-station rotating mechanism, and a driving motor is arranged at the bottom of the multi-station rotating mechanism to drive the battery cells to switch the processing stations.

[0027] The battery cell shaping station uses a plurality of cylinders and optical fiber sensing components to simultaneously shape a plurality of battery cells within a limited space, and the optical fiber sensing components assist in monitoring whether there is empty material.

[0028] As a further description of the above technical solution: the four-station rotating cell loading mechanism includes: a visual detection device, an auxiliary linkage module device to identify and grasp the cell, and the linkage module device clamps the cell from the loading tray on the four-station cell rotating table through a front-end clamping component and a push-pull component for loading.

[0029] As a further description of the above technical solution: the four-station rotating upper pole ear mechanism includes a four-station positive and negative pole ear rotating table, a rotating loading device, an adsorption and pressing assembly and a support frame.

[0030] The rotating feeding device of the four-station rotating upper pole ear mechanism assists in feeding during welding and adsorbs and presses the positive and negative pole ears of multiple battery cells at the same time.

[0031] A driving motor is arranged in the middle of the rotary feeding device to drive the rotary feeding device to rotate to transport the positive and negative electrode ears.

[0032] The adsorption and pressing assembly is linked by a front suction nozzle and a plurality of cylinders to simultaneously adsorb and press down a plurality of positive and negative electrodes.

[0033] The support frame is fixedly installed on one side of the visual welding station.

[0034] As a further description of the above technical solution: the visual welding station includes a fixed adjustable lifting platform and a laser welding device; the fixed adjustable lifting platform is fixedly installed on one side of the support frame; and can be adjusted during the welding of the positive and negative ears of the battery.

[0035] The laser welding device is hung on a fixed adjustable lifting platform, and performs welding within a limited range when the adsorption and pressing components simultaneously press the positive and negative pole ears of multiple battery cells.

[0036] As a further description of the above technical solution: the visual inspection station includes a mobile fixed frame and a detection device; the detection device is provided at the upper end of the mobile fixed frame, and the lower end is fixed to the module to perform mobile monitoring of the welding positions of the positive and negative ears of the battery.

[0037] The detection device can be a CCD detection device, which captures and detects the welding points of the positive and negative ears of the battery under the visual inspection station by taking pictures, and then determines whether the product is OK or NG.

[0038] As a further description of the above technical solution: the rotary unloading mechanism includes a push-pull assembly, a push-down device, a rotary unloading device, a bracket, a clamping assembly-1, an OK conveyor line and an NG conveyor line; the push-pull assembly is arranged below the rotary unloading device to assist in unloading the battery tabs.

[0039] The push-down device is fixedly connected to the bracket. When the clamping assembly-1 set at the front end of the rotating unloading device clamps multiple battery cells at the same time, the push-down device pushes down the single spring inside the fixture, and the entire battery is exposed outside the fixture, which is convenient for unloading.

[0040] The above technical solution has the following advantages or beneficial effects.

[0041] The device is designed with a multi-station rotating mechanism, in which the battery cells and the positive and negative pole ears are respectively placed on a four-station rotating upper battery cell mechanism and a four-station rotating upper pole ear mechanism for clamping. After the clamping is completed, the positions are switched by the multi-station rotating mechanism, and the battery pole ears on the multi-station rotating mechanism are processed and welded through the position switching. Finally, the completed battery is removed by the rotating unloading mechanism, thereby optimizing the volume of the workbench.

[0042] The visual inspection station is equipped with a detection device that can take photos for CCD inspection and identify and detect the solder joints on the battery tabs. It can accurately identify and detect the mismatch between solder joints and provide a welding pass rate. BRIEF DESCRIPTION OF THE DRAWINGS

[0043] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for the embodiments or the description of the prior art will be briefly introduced below. The drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation to the present invention. In the drawings.

[0044] Figure 1 It is a schematic diagram of the structure of the utility model.

[0045] Figure 2 for Figure 1 The front view of the four-station rotating upper cell mechanism.

[0046] Figure 3 for Figure 1 Top view of the cell shaping station.

[0047] Figure 4 for Figure 1 Side view of the four-station rotating upper pole lug mechanism and visual welding station.

[0048] Figure 5 for Figure 1 Side view of the visual inspection station.

[0049] Figure 6 for Figure 1 Front view of the rotary feeding mechanism.

[0050] In the figure:

[0051] 1. Machine; 2. Four-station rotating cell loading mechanism; 21. Clamping assembly; 31. Four-station cell rotating table; 32. Visual inspection device; 33. Auxiliary linkage module device; 3. Multi-station rotating mechanism; 11. Cell shaping station; 22. Fiber optic sensing assembly; 4. Four-station rotating upper pole ear mechanism; 34. Four-station positive and negative pole ear rotating table; 35. Rotary loading device; 23. Adsorption and pressing assembly; 36. Support frame; 12. Visual welding station; 37. Fixed adjustment lifting platform; 38. Laser welding device; 13. Visual inspection station; 26. Module; 39. Inspection device; 40. Mobile fixed frame; 5. Rotary unloading mechanism; 24. Push-pull assembly; 25. Clamping assembly-1; 41. Push-down device; 42. Rotary unloading device; 43. Bracket; 44. OK conveyor line; 45. NG conveyor line. DETAILED DESCRIPTION

[0052] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0053] It should be understood that the term “and / or” used in the specification and appended claims of this application refers to any and all possible combinations of one or more of the associated listed items, and includes these combinations.

[0054] See also Figure 1-6The utility model provides an embodiment: a round battery welding machine and an automatic welding device for positive and negative tabs, comprising: a four-station rotating upper cell mechanism 2, a clamping component 21 clamps the cell from the loading tray of the four-station cell rotating table 31 for loading, and then places it in a fixture on the multi-station rotating mechanism 3, and the multi-station rotating mechanism is sequentially provided with a cell shaping station 11, a four-station rotating upper tab mechanism 4, a visual welding station 12, a visual inspection station 13, and a rotating unloading mechanism 5 in the circumferential direction; the multi-station rotating mechanism 3 drives the cell to be processed and switched, the cell shaping station 11 performs cell shaping, and the four-station rotating upper tab mechanism 4 assists in loading during welding and simultaneously presses the positive and negative tabs of multiple cells, after the welding is completed, the adsorption and pressing component 23 is released, and then the detection device 39 performs OK or NG detection, the multi-station rotating mechanism 3 performs station switching, and the rotating unloading mechanism 5 clamps and unloads, and places the OK and NG conveyor lines respectively.

[0055] In this embodiment, the battery cells are loaded by a four-station rotating upper battery cell mechanism 2, and the clamping assembly 21 clamps the battery cells from the loading tray of the four-station battery cell rotating table 31 and places them on the multi-station rotating mechanism 3. The multi-station rotating mechanism 3 is provided with a plurality of positioning jigs, and the battery cells can be placed in the positioning jigs as a whole. The positioning jigs are driven to rotate by the multi-station rotating mechanism 3, so that the battery cells can be moved between different processing stations and mechanisms. After the battery cells are assembled by the battery cell shaping station (11), the four-station rotating upper pole ear mechanism (4), the visual welding station (12) and the visual inspection station (13), they are moved out by the rotating unloading mechanism 13. The visual inspection station (13) is provided with a detection device 39 to take photos of the positions of the welding points for detection.

[0056] Reference Figure 2 The four-station rotating cell loading mechanism 2 includes: a visual detection device 32, an auxiliary linkage module device 33 for identifying and grabbing the cell, and the linkage module device 33 clamps the cell from the loading tray of the four-station cell rotating table 31 through the front clamping component 21 and the push-pull component 24 for loading.

[0057] In this embodiment, the visual inspection device 32 can be a CCD detection, which identifies and detects the position of the battery cells in the loading tray of the four-station battery cell rotating table 31, so as to facilitate the clamping component 21 to clamp and load the battery. The clamping component 21 can be a robot that clamps the battery cells for loading and transportation.

[0058] The clamping assembly 21 can be moved through the module, and the four-station rotating cell loading mechanism 2 is loaded through the pneumatic material grabbing manipulator and the four-station cell rotating table 31. The manual operation only needs to place the cell on the tray of the four-station cell rotating table 31, and the visual inspection device 32 performs position recognition detection, and the material grabbing manipulator completes the process of grabbing the cell on the tray and placing it into the positioning fixture on the multi-station rotating mechanism 3.

[0059] In conjunction with the accompanying drawings, the clamping assembly 21 clamps and transfers the battery cells through a module and a plurality of cylinders, and places them on the multi-station rotating mechanism 3. A driving motor is provided at the bottom of the multi-station rotating mechanism 3 to drive the multi-station rotating mechanism 3 to rotate to transport the battery cells.

[0060] Reference Figure 3 The cell shaping station 11 uses a plurality of cylinders and an optical fiber sensing component 22 to simultaneously shape a plurality of cells within a limited space, and the optical fiber sensing component 22 assists in monitoring whether there is empty material.

[0061] Reference Figure 4 The four-station rotating upper pole ear mechanism 4 includes a four-station positive and negative pole ear rotating table 34, a rotating loading device 35, an adsorption and pressing assembly 23 and a support frame 36. The rotating loading device 35 assists in loading during welding and the adsorption and pressing assembly 23 presses the positive and negative pole ears of multiple battery cells at the same time.

[0062] In this embodiment, the four-station rotating upper pole ear mechanism 4 adsorbs the positive and negative pole ears from the pole ear fixture on the four-station positive and negative pole ear rotating table 34 through the rotating loading device 35, and rotates the loading. Manually, only the positive and negative pole ears need to be placed in the pole ear fixture, and the adsorption and pressing assembly 23 completes the adsorption of the positive and negative pole ears in the pole ear fixture. The rotating loading device 35 rotates and drives them into the positioning fixture on the multi-station rotating mechanism 3.

[0063] The rotary feeding device 35 drives the front end adsorption and pressing assembly 23 through the driving motor to feed the positive and negative electrode ears.

[0064] In conjunction with the accompanying drawings, the adsorption and pressing assembly 23 is linked by multiple cylinders to adsorb and transfer the battery tabs and place them on the multi-station rotating mechanism 3.

[0065] Reference Figure 4 The visual welding station 12 includes a fixed adjustable lifting platform 37 and a laser welding device 38; the fixed adjustable lifting platform 37 is fixedly installed on one side of the support frame 36; it can be adjusted when welding the positive and negative tabs of the battery cell; the laser welding device 38 simultaneously presses the positive and negative tabs of multiple battery cells of the adsorption and pressing component (23) tightly against the battery cells to perform welding within a limited range.

[0066] Reference Figure 5 The visual inspection station 13 includes a movable fixed frame 40 and a detection device 39; the detection device 39 is provided at the upper end of the movable fixed frame 40 to monitor the welding position of the positive and negative ears of the battery.

[0067] The detection device 39 can be a CCD detection device, which captures and detects the welding points of the positive and negative ears of the battery under the visual inspection station 13 by taking pictures, and then determines whether the product is OK or NG.

[0068] Reference Figure 6 The rotary unloading mechanism 5 includes a push-pull assembly 24, a push-down device 41, a rotary unloading device 42, a bracket 43, a clamping assembly-1 25, an OK conveyor line 44 and an NG conveyor line 45; the push-pull assembly 24 is arranged below the rotary unloading device 42 to assist in unloading the battery tabs;

[0069] In this embodiment, the push-down device 41 is fixedly connected to the bracket 43. When the clamping assembly-1 25 provided at the front end of the rotating unloading device 42 clamps multiple battery cells at the same time, the push-down device 41 pushes down the single spring inside the fixture, and the entire battery is exposed outside the fixture. The welded battery is taken out of the multi-station rotating mechanism 3 through the clamping assembly-1 25, and the good and defective products are placed on the OK conveyor line 44 and the NG conveyor line 45, respectively.

[0070] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments or to replace some of the technical features therein with equivalents. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A circular battery and positive and negative tab automatic welding machine, characterized in that: include: Machine (1); Four-station rotating battery cell loading mechanism (2); The clamping assembly (21) of the four-station rotating cell loading mechanism (2) clamps the cell from the loading tray of the four-station rotating table (31) for loading, and then places the cell in a fixture on the multi-station rotating mechanism (3); The multi-station rotating mechanism (3) is provided with a cell shaping station (11), a four-station rotating upper pole ear mechanism (4), a visual welding station (12) and a visual inspection station (13) in sequence in the circumferential direction; after being inspected and judged at the visual inspection station (13), the material is unloaded through the rotating unloading mechanism (5); A driving motor is arranged at the bottom of the multi-station rotating mechanism (3) to drive the battery cells to switch stations; The cell shaping station (11) shapes a plurality of cells simultaneously within a limited space through a plurality of air cylinders and optical fiber sensing components (22), and the optical fiber sensing components (22) assist in monitoring whether there is any empty material. The four-station rotating cell loading mechanism (2) comprises: a visual detection device (32), an auxiliary linkage module device (33) for identifying and grabbing the cell, and the linkage module device (33) clamps the cell from the loading tray of the four-station cell rotating table (31) through a front clamping component (21) and a push-pull component (24) for loading.

2. The automatic welding machine for round batteries and positive and negative tabs according to claim 1, characterized in that: The four-station rotating upper electrode lug mechanism (4) comprises a four-station positive and negative electrode lug rotating platform (34), a rotating loading device (35), an adsorption and pressing assembly (23) and a support frame (36); The rotating feeding device (35) of the four-station rotating upper pole ear mechanism (4) assists in feeding during welding and simultaneously presses the positive and negative pole ears of multiple battery cells by adsorbing and pressing the lower pressing component (23); A driving motor is arranged in the middle of the rotating feeding device (35) to drive the rotating feeding device (35) to rotate to transport the positive and negative electrode ears; The adsorption and pressing component (23) simultaneously adsorbs and presses down multiple positive and negative electrodes through a front suction nozzle and a plurality of cylinders in linkage; The support frame (36) is fixedly mounted on one side of the visual welding station (12).

3. The automatic welding machine for round batteries and positive and negative tabs according to claim 1, characterized in that: The visual welding station (12) comprises a fixed adjustable lifting platform (37) and a laser welding device (38); the fixed adjustable lifting platform (37) is fixedly mounted on one side of the support frame (36); and can be adjusted during welding of the positive and negative tabs of the battery; The laser welding device (38) is hung on the fixed adjustable lifting platform (37) and performs welding within a limited range when the positive and negative pole ears of multiple battery cells of the adsorption and pressing assembly (23) are pressed simultaneously.

4. The automatic welding machine for round batteries and positive and negative tabs according to claim 1, characterized in that: The visual inspection station (13) comprises a movable fixed frame (40) and a detection device (39); the detection device (39) is provided at the upper end of the movable fixed frame (40), and the lower end is fixedly connected to the module (26) to perform mobile monitoring on the welding positions of the positive and negative tabs of the battery; The detection device (39) can be a CCD detection device, which captures and detects the welding points of the positive and negative tabs of the battery below the visual inspection station (13) by taking pictures, and then determines whether the product is OK or NG.

5. The automatic welding machine for round batteries and positive and negative tabs according to claim 1, characterized in that: The rotary unloading mechanism (5) comprises a push-pull assembly (24), a push-down device (41), a rotary unloading device (42), a bracket (43), a clamping assembly-1 (25), an OK conveyor line (44) and an NG conveyor line (45); the push-pull assembly (24) is arranged below the rotary unloading device (42) to assist in unloading the battery tabs; The push-down device (41) is fixedly connected to the bracket (43), and when the clamping assembly-1 (25) arranged at the front end of the rotating unloading device (42) clamps a plurality of battery cells at the same time, the push-down device (41) pushes down the single spring inside the jig, and the battery as a whole is exposed outside the jig, thereby facilitating unloading.

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