Battery cell welding auxiliary device

Abstract

The invention relates to the technical field of battery cell welding, and particularly discloses a battery cell welding auxiliary device which comprises a workbench, a supporting frame and a welding head, the supporting frame is connected to the workbench, the welding head is connected to the supporting frame, the supporting frame is used for fixing the welding head, the welding head is used for spot welding connection of a battery cell, and a detection assembly is connected to the workbench. The detection assembly corresponds to the welding head and is used for placing the battery cell and monitoring the positive and negative electrodes of the battery cell, the battery cell is inserted into the detection assembly before welding, and the detection assembly can judge the positive and negative electrodes of the battery cell according to the contact area of the battery cell due to the fact that the areas of the contact points of the positive and negative electrodes of the battery cell are different; the moving assembly is connected to the workbench and connected with the detection assembly, the moving assembly is used for moving the position of the battery cell and facilitating battery cell welding, in the battery cell welding process, the position of the battery cell can be adjusted, and then the welding head can be aligned with the position of the battery cell.

Description

Technical Field

[0001] The invention relates to the technical field of battery core welding, in particular to a battery core welding auxiliary device. Background Art

[0002] Cell welding is a key process in the manufacturing of modern electronic products. It is essential for the normal operation of battery components. Cell welding is mainly used to connect the cells in the battery assembly to ensure the smooth conduction of current and the stability of the battery assembly. The polar materials between the cells are firmly connected together, thereby achieving current conduction and the normal operation of the battery assembly. Cell welding usually uses spot welding.

[0003] A spot welder is a device that uses the principle of resistance heating to connect metals. It applies a certain current to the metal workpiece and uses a certain pressure to generate high temperature at the contact point and connect the workpieces together in a short time. When welding battery cells, the positive and negative electrodes of the battery cells need to be connected. The number of welds is large and there are many welding positions. The staff needs to adjust the position of the battery cells. However, the staff may place the positive and negative electrodes of the battery cells incorrectly after working for a long time, resulting in incorrect welding of the battery cells and short circuits of the battery cells. For this reason, we propose a battery cell welding auxiliary device. Summary of the invention

[0004] The purpose of the present invention is to provide a battery cell welding auxiliary device to solve the problem that the above-mentioned workers may place the positive and negative poles of the battery cell incorrectly after working for a long time, resulting in incorrect battery cell welding and battery cell short circuit.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a battery core welding auxiliary device, comprising: a workbench, a support frame and a welding head, the support frame is connected to the workbench, the welding head is connected to the support frame, the support frame is used to fix the welding head, and the welding head is used to spot weld and connect the battery core; Also includes: A detection component is connected to the workbench, and the detection component corresponds to the welding head. The detection component is used to place the battery cell, and the detection component is used to monitor the positive and negative poles of the battery cell; A moving component is connected to a workbench and is connected to a detection component. The moving component is used to move the position of the battery cell to facilitate battery cell welding; The test component is connected to the workbench and is connected to the detection component. The test component is used to test whether there is a cold solder joint in the battery cell.

[0006] The detection component comprises a placement table, which is arranged on a workbench and has a plurality of storage slots for placing battery cells, each of which has detection parts.

[0007] The detection part comprises a placement groove, which is arranged on the placement table. A through hole is arranged on the placement table and connected with the placement groove. Detector 1 and detector 2 are arranged in the placement groove.

[0008] Among them, detector one is connected to connecting plate one, detector two is connected to connecting plate two, a fixing plate is connected in the placement groove, connecting plate one is slidably connected to the fixing plate, and detector two is slidably connected to detector one.

[0009] Wherein, the first connecting plate is connected with a positive electromagnet, and the second connecting plate is connected with a negative electromagnet.

[0010] The moving component comprises a moving plate, which is connected to the placing table, a moving groove is provided on the moving plate, a moving piece is connected in the moving groove, and a sliding groove is provided on the moving plate.

[0011] Among them, the moving part 1 includes a motor 1, which is connected in a moving groove 1. A driving tooth is connected to the output shaft of the motor 1. A moving rod is connected to the placement table, and the driving tooth is engaged with the moving rod. The moving rod is slidably connected to the slide groove 1, and a moving part 2 is connected to the bottom end of the moving plate.

[0012] Among them, the moving part 2 includes a moving groove 2, which is opened on the workbench, and a driving groove is opened on the workbench. The driving groove is connected to a motor 2, and the motor 2 is connected to the driving groove. Two screw rods are connected to the inner wall of the moving groove 2, one of which is connected to the output shaft of the motor 2, and the two screw rods are connected to the driving parts, and the screw rods are connected to the moving blocks.

[0013] Among them, the driving part includes gear 1, gear 1 is connected to the output shaft of motor 2, and gear 1 is connected to one of the screw rods, the other screw rod is connected to gear 2, and a chain is connected between gear 1 and gear 2, and a slide groove 2 is opened on the workbench, and slide groove 2 is slidably connected to the moving block.

[0014] Among them, the test component includes a rectangular groove, which is opened in the placement groove, an electric telescopic rod is connected in the rectangular groove, and the electric telescopic rod is connected to the fixing plate, and the bottom end of the placement groove is connected to the test groove.

[0015] The present invention has at least the following beneficial effects: by setting a detection component, a moving component and a test component, the detection component is connected to the workbench, and the detection component corresponds to the welding head, the detection component is used to place the battery cell, and the detection component is used to monitor the positive and negative poles of the battery cell, before welding, the battery cell is inserted into the detection component, because the areas of the positive and negative contact points of the battery cell are different, the detection component can judge the positive and negative poles of the battery cell according to the contact area of ​​the battery cell, the moving component is connected to the workbench, and the moving component is connected to the detection component, the moving component is used to move the position of the battery cell to facilitate the welding of the battery cell, during the welding process of the battery cell, the position of the battery cell can be adjusted, and then the welding head can be aligned with the position of the battery cell, and the battery cell can be automatically welded, the test component is connected to the workbench, and the test component is connected to the detection component, the test component is used to test whether the battery cell has a cold weld, and when the welding of the battery cell is completed, the battery cell can be driven to move vertically by setting the test component to test whether the battery cell after welding has a cold weld, thereby ensuring the welding quality of the battery cell. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 This is a schematic diagram of the structure of the placement table of the present invention; Figure 3 This is a schematic diagram of the placement slot structure of the present invention; Figure 4 This is a schematic diagram of the structure of the detection component of the present invention; Figure 5 for Figure 4 A magnified schematic diagram of the middle A area; Figure 6 It is a schematic diagram of the structure of the detection element of the present invention; Figure 7 This is a schematic diagram of the structure of the mobile assembly of the present invention; Figure 8 It is a structural schematic diagram of a moving part of the present invention; Fig. 9 for Figure 8 A magnified schematic diagram of the middle B area; Fig.10 This is a structural schematic diagram of the second moving part of the present invention; Fig.11 for Fig.10 Enlarged schematic diagram of the middle C area; Fig.12 It is a schematic diagram of the structure of the driving member of the present invention.

[0017] In the figure: 1, workbench; 2, support frame; 3, welding head; 4, detection component; 41, placement table; 5, moving plate; 6, storage slot; 7, detection part; 71, placement slot; 8, fixed plate; 91, detector one; 92, detector two; 10, switch; 11, through hole; 12, connecting plate one; 13, connecting plate two; 14, negative electromagnet; 15, positive electromagnet; 16, moving component; 17, slide slot one; 18, moving part one; 181, moving slot one; 19, motor one; 20, moving rod; 21, moving slot two; 22, driving tooth; 23, chain; 24, moving part two; 25, driving slot; 26, driving part; 27, slide slot two; 28, moving block; 29, screw rod; 30, gear one; 31, gear two; 32, rectangular slot; 33, electric telescopic rod; 34, test slot. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0019] Embodiment 1 See also Figures 1 to 12 The present invention provides a technical solution: a battery core welding auxiliary device, comprising: a workbench 1, a support frame 2 and a welding head 3, the support frame 2 is connected to the workbench 1, the welding head 3 is connected to the support frame 2, the support frame 2 is used to fix the welding head 3, and the welding head 3 is used to spot weld and connect the battery core; Also includes: Detection assembly 4, detection assembly 4 is connected to the workbench 1, and detection assembly 4 corresponds to the welding head 3, detection assembly 4 is used to place the battery cell, and detection assembly 4 is used to monitor the positive and negative poles of the battery cell. Before welding, the battery cell is inserted into the detection assembly 4. Since the areas of the positive and negative contact points of the battery cell are different, the detection assembly 4 can judge the positive and negative poles of the battery cell according to the contact area of ​​the battery cell; The moving component 16 is connected to the workbench 1 and is connected to the detection component 4. The moving component 16 is used to move the position of the battery cell to facilitate the welding of the battery cell. During the welding process of the battery cell, the position of the battery cell can be adjusted, so that the welding head 3 can be aligned with the position of the battery cell to automatically weld the battery cell; The test component is connected to the workbench 1, and the test component is connected to the detection component 4. The test component is used to test whether there is a cold solder joint in the battery cell. After the welding of the battery cell is completed, the test component can be set to drive the battery cell to move vertically to test whether there is a cold solder joint in the battery cell after welding, so as to ensure the welding quality of the battery cell.

[0020] The detection component 4 includes a placement table 41, which is arranged on the workbench 1. A plurality of storage slots 6 are provided on the placement table 41. The plurality of storage slots 6 are used to place battery cells. A detection component 7 is provided in each of the plurality of storage slots 6. By providing the storage slots 6, the battery cells can be limited and fixed to ensure the welding of the battery cells. By providing the detection component 7, the positive and negative poles of the battery cells can be detected.

[0021] The detection member 7 includes a placement groove 71, and the placement groove 71 is opened on the placement table 41. A through hole 11 is opened on the placement table 41, and the through hole 11 is connected to the placement groove 71. A detector 1 91 and a detector 2 92 are arranged in the placement groove 71. By setting the placement groove 71, the detector 1 91 and the detector 2 92 can be protected, thereby extending the service life of the detector 1 91 and the detector 2 92. When the battery cell is inserted into the storage slot 6, the positive pole of the battery cell will press the detector 2 92. When the battery cell is the negative pole, the battery cell is pressed downward, which will simultaneously drive the detector 1 91 and the detector 2 92 to move, and then the positive and negative poles of the battery cell can be detected through the moving position of the detector 1 91 and the detector 2 92.

[0022] Detector 1 91 is connected to connecting plate 12, detector 2 92 is connected to connecting plate 2 13, a fixing plate 8 is connected in the placement slot 71, connecting plate 12 is slidably connected to the fixing plate 8, detector 2 92 is slidably connected to detector 1 91, when the positive pole of the battery cell is inserted into the storage slot 6, detector 2 92 drives connecting plate 2 13 to move downward, when the negative pole of the battery cell is inserted into the storage slot 6, detector 1 91 and detector 2 92 drive connecting plate 1 12 and connecting plate 2 13 to move downward at the same time, and connecting plate 1 12 and connecting plate 2 13 can be fixed by setting the fixing plate 8.

[0023] A positive electromagnet 15 is connected to the connecting plate 12, and a negative electromagnet 14 is connected to the connecting plate 2 13. Two adjacent battery cells should have one positive pole and one negative pole. When a positive battery cell and a negative battery cell are inserted into the placement slot 71, current is generated between the positive electromagnet 15 and the negative electromagnet 14. When two battery cells with the same pole are inserted into the placement slot 71, the electromagnets repel each other, thereby detecting whether the battery cell insertion surface is correct, thereby preventing errors in battery cell welding.

[0024] The moving assembly 16 includes a moving plate 5, which is connected to the placement table 41. A moving groove 181 is provided on the moving plate 5, and a moving part 18 is connected in the moving groove 181. A slide groove 17 is provided on the moving plate 5. The moving groove 181 can be provided to protect the moving part 18, thereby extending the service life of the moving part 18. The moving plate 5 can move along the X-axis in the slide groove 17, thereby facilitating the welding of the battery cell.

[0025] The moving part 18 includes a motor 19, which is connected in a moving groove 181. The motor 19 can be protected by setting the moving groove 181, thereby extending the service life of the motor 19. A driving tooth 22 is connected to the output shaft of the motor 19, and a moving rod 20 is connected to the placement table 41, and the driving tooth 22 is engaged with the moving rod 20. The moving rod 20 is slidably connected to the slide groove 17. A moving part 24 is connected to the bottom end of the moving plate 5. When the welding pedal stops being stepped on, the motor 19 is started, and the motor 19 drives the driving tooth 22 to rotate one circle. The rotation of the driving tooth 22 can drive the moving rod 20 to move along the X-axis, thereby causing the placement table 41 to move along the X-axis in the slide groove 17, thereby driving the battery cell to move, thereby facilitating the welding of the battery cell.

[0026] The movable part 24 includes a movable groove 21, which is provided on the workbench 1. A driving groove 25 is provided on the workbench 1. A motor 2 is connected in the driving groove 25. The motor 2 is connected in the driving groove 25. Two screw rods 29 are connected to the inner wall of the movable groove 21, one of which is connected to the output shaft of the motor 2. The two screw rods 29 are connected to a driving part 26. The screw rods 29 are connected to a movable block 28. The movable plate 5 can be placed by setting the workbench 1. When the movable rod 20 triggers the switch 10, the motor 1 19 is turned off and the motor 2 is started. The motor 2 drives the driving part 26 to rotate, thereby driving the two screw rods 29 to rotate synchronously. The rotation of the two screw rods 29 can drive the movable block 28 to move along the Z axis, thereby driving the placement table 41 to move along the Z axis, and then the position of the battery cell moves along the Z axis, thereby facilitating the welding of multiple battery cells. The screw rod 29 can be fixed by setting the movable groove, thereby extending the service life of the screw rod 29.

[0027] The driving member 26 includes a gear 1 30, which is connected to the output shaft of the motor 2, and the gear 1 30 is connected to one of the screw rods 29, and the other screw rod 29 is connected to a gear 2 31, and the gear 1 30 and the gear 2 31 are connected to a chain 23, a slide groove 27 is provided on the workbench 1, and the slide groove 27 is slidably connected to the moving block 28, the motor 2 drives the gear 1 30 to rotate, the rotation of the gear 1 30 can drive the chain 23 to rotate, and then drive the gear 2 31 to rotate, so that the screw rods 29 1 and 29 2 rotate at the same time, so that the moving block 28 slides in the slide groove 27.

[0028] Embodiment 2 The test component includes a rectangular slot 32, which is opened in the placement slot 71. An electric telescopic rod 33 is connected to the rectangular slot 32, and the electric telescopic rod 33 is connected to the fixed plate 8. The bottom end of the placement slot 71 is connected to the test slot 34. When current is generated between the positive electromagnet 15 and the negative electromagnet 14, the electric telescopic rod 33 is started, and the electric telescopic rod 33 drives the fixed plate 8 to move downward. When the fixed plate 8 moves to a certain position, it can drive the connecting plate 12 and the connecting plate 2 13 to move vertically, so that the detector 1 91 and the detector 2 92 are inserted into the test slot 34. The test slot 34 is used to test whether the detector 1 91 and the detector 2 92 have current. When there is current, the welding is completed. If no current is generated in one of the battery cells, there may be a cold weld. When there is no current generated, the electric telescopic rod 33 is started, and the electric telescopic rod 33 drives the battery cell to return to its original position.

[0029] 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.

[0030] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A battery core welding auxiliary device, comprising: A workbench (1), a support frame (2) and a welding head (3), wherein the support frame (2) is connected to the workbench (1), the welding head (3) is connected to the support frame (2), the support frame (2) is used to fix the welding head (3), and the welding head (3) is used to connect battery cells by spot welding; It is characterized by: also including: A detection component (4), the detection component (4) is connected to the workbench (1), the detection component (4) corresponds to the welding head (3), the detection component (4) is used to place the battery cell, and the detection component (4) is used to monitor the positive and negative electrodes of the battery cell; A moving component (16), the moving component (16) being connected to the workbench (1), and the moving component (16) being connected to the detection component (4), and the moving component (16) being used to move the position of the battery cell to facilitate welding of the battery cell; A test component is connected to a workbench (1), and the test component is connected to a detection component (4), and the test component is used to test whether a battery cell has a cold solder joint.

2. The battery core welding auxiliary device according to claim 1, characterized in that: The detection assembly (4) comprises a placement table (41), the placement table (41) being arranged on the workbench (1), the placement table (41) being provided with a plurality of storage slots (6), the plurality of storage slots (6) being used for placing battery cells, and the plurality of storage slots (6) being provided with detection components (7).

3. The battery core welding auxiliary device according to claim 2, characterized in that: The detection member (7) comprises a placement groove (71), the placement groove (71) being provided on a placement platform (41), the placement platform (41) being provided with a through hole (11), and the through hole (11) being connected to the placement groove (71), and a detector 1 (91) and a detector 2 (92) being provided in the placement groove (71).

4. The battery core welding auxiliary device according to claim 3, characterized in that: The detector one (91) is connected to a connecting plate one (12), the detector two (92) is connected to a connecting plate two (13), the placement groove (71) is connected to a fixing plate (8), the connecting plate one (12) is slidably connected to the fixing plate (8), and the detector two (92) is slidably connected to the detector one (91).

5. The battery core welding auxiliary device according to claim 4, characterized in that: The connecting plate 1 (12) is connected to a positive electromagnet (15), and the connecting plate 2 (13) is connected to a negative electromagnet (14).

6. The battery core welding auxiliary device according to claim 2, characterized in that: The moving assembly (16) comprises a moving plate (5), the moving plate (5) being connected to the workbench (1), the moving plate (5) being provided with a moving groove (181), a moving member (18) being connected in the moving groove (181), and a sliding groove (17) being provided on the moving plate (5).

7. The battery core welding auxiliary device according to claim 6, characterized in that: The moving member 1 (18) comprises a motor 1 (19), the motor 1 (19) is connected in a moving groove 1 (181), a driving tooth (22) is connected to the output shaft of the motor 1 (19), a moving rod (20) is connected to the placement table (41), and the driving tooth (22) is engaged with the moving rod (20), the moving rod (20) is slidably connected to the slide groove 1 (17), and a moving member 2 (24) is connected to the bottom end of the moving plate (5).

8. The battery core welding auxiliary device according to claim 7, characterized in that: The second moving member (24) comprises a second moving groove (21), the second moving groove (21) being provided on the workbench (1), the workbench (1) being provided with a driving groove (25), the driving groove (25) being connected with a second motor, the second motor being connected with the driving groove (25), the inner wall of the second moving groove (21) being connected with two screw rods (29), one of the screw rods (29) being connected with an output shaft of the second motor, the two screw rods (29) being connected with driving members (26), and the screw rods (29) being connected with a moving block (28).

9. The battery core welding auxiliary device according to claim 8, characterized in that: The driving member (26) comprises a gear 1 (30), the gear 1 (30) being connected to the output shaft of the motor 2, the gear 1 (30) being connected to one of the screw rods (29), the other screw rod (29) being connected to a gear 2 (31), the gear 1 (30) and the gear 2 (31) being connected to a chain (23), the workbench (1) being provided with a slide groove 2 (27), and the slide groove 2 (27) being slidably connected to the moving block (28).

10. The battery core welding auxiliary device according to claim 1, characterized in that: The test assembly comprises a rectangular groove (32), the rectangular groove (32) being opened in the placement groove (71), an electric telescopic rod (33) being connected in the rectangular groove (32), and the electric telescopic rod (33) being connected to a fixing plate (8), and a test groove (34) being connected at the bottom end of the placement groove (71).

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