Automatic tab welding device

Abstract

The utility model provides an automatic pole lug welding device which comprises a working table, a fixing frame is fixedly installed at the upper end of the working table, and a moving block is connected to the lower portion in the fixing frame in a sliding mode. According to the automatic pole lug welding device, by arranging a screw rod, a sliding block, a containing plate, a fixing plate, a pressing pad, a moving block, a second motor, a connecting plate, a laser welding machine and other structures, the screw rod is matched with the sliding block to drive the containing plate to move precisely, precise positioning of a workpiece is achieved, the fixing plate and the pressing pad work cooperatively, and the fixing plate precisely regulates and controls the height of a welding head; the pressing pad avoids hard collision with a workpiece by means of flexibility and protects the surface of the workpiece, the workpiece can be prevented from moving during welding by means of skid resistance of the pressing pad, and the welding quality is improved. The movable block, the second motor, the connecting plate and the laser welding machine form a flexible welding head assembly, the movable block achieves horizontal position adjustment, and the second motor drives the connecting plate to rotate. Therefore, the angle of the laser welding machine can be changed to adapt to complex working conditions with various positions of tabs.

Description

Technical Field

[0001] This utility model relates to the field of electrode welding technology, and more specifically, to an automatic electrode welding device. Background Technology

[0002] A tab is a raw material used in lithium-ion polymer batteries. For example, mobile phone batteries, Bluetooth batteries, and laptop batteries all require tabs. Batteries have positive and negative terminals, and the tabs are the metal conductors that connect the positive and negative terminals from the battery cell. Simply put, the tabs on the positive and negative terminals of a battery are the contact points during charging and discharging.

[0003] However, the technical solution provided by this patent has the following problems:

[0004] Traditional electrode tab welding methods mostly rely on manual operation or relatively simple automated equipment. Manual welding is not only inefficient, but also prone to inconsistent welding quality due to human factors, easily resulting in problems such as incomplete welds and missed welds. Existing automated welding equipment cannot adjust the welding angle synchronously in real time during welding, and can only weld electrodes on one side. If electrodes are located at both ends, it is not possible to weld the electrodes at the other end immediately after welding one end. It is necessary to remove the workpiece clamping, adjust the workpiece position, and then weld. This not only increases the complexity and time cost of the production process, but may also cause the electrode position to shift due to multiple clamping and positioning, further affecting the welding quality. These limitations make it difficult for existing automated welding equipment to adapt to diverse production needs.

[0005] This invention can accurately position the workpiece, protect the workpiece with a pressing pad, stabilize the welding, and flexibly adjust the welding angle during the welding process, thereby improving the welding flexibility and accuracy and achieving efficient and stable electrode welding. Utility Model Content

[0006] The present invention aims to solve the technical problems mentioned in the background art and provide an automatic welding electrode device.

[0007] To achieve the above objectives, this utility model provides the following technical solution: an automatic welding electrode device, comprising: a worktable, a fixed frame fixedly installed on the upper end of the worktable, a movable block slidably connected to the lower part of the fixed frame, a first groove opened on the upper end of the worktable, a screw rotatably connected in the first groove, a slider threadedly connected to the screw, a placement plate fixedly installed on the upper end of the slider, a placement groove opened on the placement plate, an electric telescopic rod two fixedly installed on the upper end of the fixed frame, a fixed plate fixedly installed at the bottom of the output end of the electric telescopic rod two, a movable block slidably installed on the upper end of the fixed plate, and a laser welding machine rotatably installed above the movable block.

[0008] A further preferred embodiment: a motor is fixedly installed at one end of the worktable, the motor is fixedly installed at the outer end of the slide groove, and the output end of the motor passes through the worktable and is fixedly connected to the screw.

[0009] A further preferred embodiment: an electric telescopic rod is fixedly installed at both the front and rear ends inside the fixed frame, and a clamp is fixedly installed at the output end of the electric telescopic rod.

[0010] A further preferred embodiment: a pressing pad is fixedly installed at the bottom of the fixing plate, and the pressing pad has a certain degree of anti-slip and softness.

[0011] A further preferred embodiment: the upper end of the fixed plate is provided with a second sliding groove, and the second sliding groove is slidably connected to the moving block.

[0012] A further preferred embodiment: The upper end of the movable block is provided with a mounting groove, a second motor is fixedly installed in the mounting groove, a connecting plate is fixedly installed at the output end of the second motor, and a laser welding machine is fixedly installed at the upper end of the connecting plate.

[0013] Beneficial effects:

[0014] 1. The structure consists of a screw, a motor, a slider, and a placement plate. The motor drives the screw to rotate, and due to the threaded connection, the slider can move smoothly along the slide groove, thereby displacing the placement plate and the workpiece. This structure can precisely control the position of the workpiece, ensuring it is in the optimal welding position, improving the accuracy and consistency of welding. At the same time, compared with manual positioning, the automated screw-driven method greatly improves positioning efficiency, reduces manual operation time, and improves overall production efficiency. In addition, the structure is stable, reliable, and highly repeatable, and can adapt to the needs of long-term, high-volume welding work, reducing the risk of equipment failure and reducing wear and maintenance costs caused by frequent adjustments to the positioning device, providing strong support for efficient and stable automatic welding of electrode tabs.

[0015] 2. By incorporating a fixing plate and a pressing pad, the pressing pad contacts the workpiece first when the fixing plate descends, preventing the fixing plate from directly colliding with the workpiece and protecting the integrity and appearance of the workpiece from scratches and wear. After the workpiece is clamped by the clamping plate, the pressing pad applies pressure above the workpiece. With its anti-slip properties, it can effectively resist the minor vibrations and other external forces generated by the laser welding machine, preventing workpiece displacement and enabling the laser welding machine to weld accurately, improving welding quality and reducing defects such as incomplete welds and missed welds. In addition, the pressing pad can conform to the surface of non-planar or irregularly shaped workpieces by its own deformation, providing uniform pressure for different types of workpieces and expanding the applicability of the device.

[0016] 3. By setting up a moving block, motor 2, connecting plate and laser welding machine, the moving block can slide in the groove, providing flexible horizontal position adjustment for the laser welding machine, ensuring precise alignment with different positions of the workpiece tabs. When encountering non-horizontal tabs or situations requiring welding at a specific angle, motor 2 is started, and its output end drives the connecting plate to rotate, causing the laser welding machine fixed on the connecting plate to change its angle and precisely align with the tab welding part. In this way, the welding flexibility is greatly improved, which can adapt to workpieces with irregular shapes and diverse tab layouts. Precise angle adjustment can also allow the laser energy to act at the optimal angle, improving the welding quality.

[0017] 4. In summary, this automatic welding tab device, through the arrangement of a screw, slider, placement plate, fixed plate, pressing pad, moving block, motor II, connecting plate, and laser welding machine, achieves precise workpiece positioning by cooperating with the placement plate to ensure accurate welding position through the screw and slider working together. The fixed plate and pressing pad work together to precisely adjust the height of the welding head, while the pressing pad, with its flexibility, avoids hard collisions with the workpiece, protecting the workpiece surface. Its anti-slip properties also prevent workpiece displacement during welding, improving welding quality. The moving block, motor II, connecting plate, and laser welding machine form a flexible welding head assembly. The moving block allows for horizontal position adjustment, and motor II drives the connecting plate to rotate, thereby changing the angle of the laser welding machine, adapting to complex working conditions with diverse tab positions. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the overall structure of this utility model.

[0019] Figure 2 This is a schematic diagram of the top pressure plate structure of this utility model.

[0020] Figure 3 This is a schematic diagram of the welding machine structure of this utility model.

[0021] Figure 1-3 Components: 1. Workbench; 101. Slide 1; 102. Screw; 103. Motor 1; 104. Slider; 105. Placement plate; 2. Fixing frame; 201. Electric telescopic rod 1; 202. Clamping plate; 203. Electric telescopic rod 2; 204. Fixing plate; 205. Pressing pad; 206. Slide 2; 3. Moving block; 301. Placement slot; 302. Motor 2; 303. Connecting plate; 304. Laser welding machine. Detailed Implementation

[0022] The following will refer to the appendix in the embodiments of this utility model. Figures 1-3 The technical solutions in the embodiments of this utility model will be clearly and completely described.

[0023] Please see Figure 1-3In this embodiment of the present invention, an automatic welding electrode device includes: a workbench 1, a fixed frame 2 fixedly mounted on the upper end of the workbench 1, a movable block 3 slidably connected to the lower part of the fixed frame 2, a slide groove 101 opened on the upper end of the workbench 1, a screw 102 rotatably connected in the slide groove 101, a slider 104 threadedly connected to the screw 102, a placement plate 105 fixedly mounted on the upper end of the slider 104, a placement groove opened on the placement plate 105, an electric telescopic rod 203 fixedly mounted on the upper end of the fixed frame 2, a fixed plate 204 fixedly mounted at the bottom of the output end of the electric telescopic rod 203, a movable block 3 slidably mounted on the upper end of the fixed plate 204, and a laser welding machine 304 rotatably mounted above the movable block 3. A motor 103 is fixedly installed at one end of the workbench 1. The motor 103 is fixedly installed at the outer end of the slide groove 101. The output end of the motor 103 passes through the workbench 1 and is fixedly connected to the screw 102. An electric telescopic rod 201 is fixedly installed at both the front and rear ends inside the fixed frame 2. The output end of the electric telescopic rod 201 is fixedly installed with a clamp 202. A slide groove 206 is opened at the upper end of the fixed plate 204. The slide groove 206 is slidably connected to the moving block 3. The workpiece to be welded is placed in the placement groove of the placement plate 105. The motor 103 is started. The output end of the motor 103 drives the screw 102 to rotate in the slide groove 101. Since the screw 102 is threadedly connected to the slider 104, the slider 104 will move along the slide groove 101. 01. Move the placement plate 105 and the workpiece placed on it to a suitable position. Then, activate the electric telescopic rod 201 at the front and rear ends inside the fixing frame 2. The output end of the electric telescopic rod 201 extends and pushes the clamping plate 202 to clamp the workpiece, ensuring the workpiece position is stable during welding. Then, activate the electric telescopic rod 203. The output end of the electric telescopic rod 203 extends downward, moving the fixing plate 204 and the moving block 3 and laser welding machine 304 mounted on it downward to a suitable welding height. At the same time, the moving block 3 can slide in the slide groove 206 at the upper end of the fixing plate 204 to adjust the horizontal position of the laser welding machine 304 so that it is aligned with the electrode tab welding part of the workpiece. After determining the position and height of the laser welding machine 304, start the laser welding machine 304 to perform welding operations on the workpiece's tabs. During the welding process, the laser welding machine 304 maintains stable welding parameters to ensure welding quality. After welding is completed, turn off the laser welding machine 304. The output end of the electric telescopic rod 203 retracts, driving the fixed plate 204, the moving block 3, and the laser welding machine 304 to rise back to their initial positions. The output end of the electric telescopic rod 201 retracts, driving the clamping plate 202 to release the workpiece. Start the motor 103 again. The motor 103 reverses, driving the screw 102 to rotate in the opposite direction, so that the slider 104, the placement plate 105, and the welded workpiece return to their initial positions for the next workpiece welding operation.

[0024] In this embodiment of the invention, a pressing pad 205 is fixedly installed at the bottom of the fixing plate 204. The pressing pad 205 has a certain degree of anti-slip and softness. Due to the softness of the pressing pad 205, when the electric telescopic rod 203 moves the fixing plate 204 and the laser welding machine 304 downward, the pressing pad 205 will contact the workpiece first. The soft material can prevent the fixing plate 204 from directly contacting the workpiece, preventing scratches, wear and other damage to the workpiece surface caused by the pressure of the fixing plate 204 during the welding process. Especially for some workpieces with fragile surfaces that are easily scratched, it can effectively protect their integrity and appearance quality. Secondly, when the workpiece is clamped by the clamping plate 202, the pressing pad 205 applies a certain pressure above the workpiece, and its anti-slip properties can be further enhanced. To prevent workpiece displacement due to minor vibrations or other external forces generated by the laser welding machine 304 during welding, ensuring the workpiece maintains a stable position during welding, the laser welding machine 304 can accurately weld the tabs, improving welding quality and consistency, and reducing welding defects caused by workpiece displacement, such as incomplete welds or missed welds. Furthermore, the soft and elastic pressing pad 205 can adapt to workpiece surfaces of different shapes. For some non-planar or irregularly shaped workpieces, the pressing pad 205 can conform to the workpiece surface through its own deformation, thereby providing uniform pressure throughout the welding process, ensuring the stability of the workpiece during welding, and expanding the applicability of the automatic welding tab device to different types of workpieces.

[0025] In this embodiment of the invention, the upper end of the movable block 3 is provided with a mounting groove 301, and a second motor 302 is fixedly installed in the mounting groove 301. A connecting plate 303 is fixedly installed at the output end of the second motor 302, and a laser welding machine 304 is fixedly installed at the upper end of the connecting plate 303. When welding the workpiece tabs is required, if the tabs are not perfectly horizontal or require welding at a specific angle, the second motor 302 is started, and the output end of the second motor 302 begins to rotate, causing the connecting plate 303 fixedly connected to it to rotate. Since the laser welding machine 304 is fixed to the connecting plate 303, the laser welding machine 304 rotates. At the upper end, the laser welding machine 304 changes its angle as the connecting plate 303 rotates, thus accurately aligning with the welding parts of the electrode tabs at different angles. During the adjustment process, the rotation angle of the motor 302 can be precisely controlled through an external control system or a preset program to ensure that the laser welding machine 304 reaches the ideal welding angle. When it is necessary to weld the electrode tab at the other end, the entire moving block 3 is slid to the other end through the slide groove 206, and then the connecting plate 303 is rotated through the motor 302, causing the laser welding machine 304 to rotate and weld the electrode tab at the other end.

[0026] Working principle: Place the workpiece to be welded into the placement slot of the placement plate 105. Start motor 103. The output end of motor 103 drives screw 102 to rotate in slide groove 101. Since screw 102 is threadedly connected to slider 104, slider 104 will move along slide groove 101, thereby moving the placement plate 105 and the workpiece placed on it to a suitable position. Start the electric telescopic rod 201 at the front and rear ends inside the fixing frame 2. The output end of electric telescopic rod 201 extends and pushes clamping plate 202 to clamp the workpiece, ensuring the stability of the workpiece position during welding. Start electric telescopic rod 203. Its output end extends downward, driving the fixing plate 204 and the moving block 3 and laser welding machine 304 mounted on it to move downward to a suitable position. During the welding process, the pressing pad 205 descends with the fixing plate 204. Due to its softness, it gently contacts the workpiece surface first, avoiding direct hard contact between the fixing plate 204 and the workpiece, thus preventing scratches, wear, and other damage to the workpiece surface. The moving block 3 can slide within the second slide groove 206 at the upper end of the fixing plate 204 to adjust the horizontal position of the laser welding machine 304, aligning it with the welding part of one end of the workpiece's electrode tab. At the same time, the anti-slip properties of the pressing pad 205 further prevent the workpiece from shifting due to external interference during the adjustment process. If the electrode tab is not perfectly horizontal or requires welding at a specific angle, the second motor 302 in the mounting groove 301 of the moving block 3 is activated. The output end of the second motor 302 rotates, driving the corresponding... When the fixed connecting plate 303 rotates, the laser welding machine 304, fixed to the upper end of the connecting plate 303, will change its angle as the connecting plate 303 rotates, thus precisely aligning with the welding position of the current electrode tab. During the adjustment process, the rotation angle of the motor 302 can be precisely controlled through an external control system or a preset program to ensure that the laser welding machine 304 reaches the ideal welding angle. After adjusting the position, height, and angle of the laser welding machine 304, it is started to perform welding operations on the electrode tab at the current end of the workpiece. During the welding process, the laser welding machine 304 maintains stable welding parameters, and the pressure pad 205 continuously provides stable pressure to the workpiece to ensure welding quality. If the electrode tab of the workpiece is in the forward position... After welding one end of the electrode tab, turn off the laser welding machine 304. Slide the entire moving block 3 to the other end of the workpiece via the slide groove 206, aligning the laser welding machine 304 with the other end of the electrode tab. Check the electrode tab position again. If angle adjustment is needed, repeat step 4. Start the motor 302 to rotate the connecting plate 303, causing the laser welding machine 304 to rotate to the appropriate angle, aligning it with the welding area of ​​the other end of the electrode tab. Start the laser welding machine 304 to weld the electrode tab at the other end of the workpiece, maintaining stable welding parameters to ensure welding quality. After welding both ends of the electrode tab is complete, turn off the laser welding machine 304. The output end of the electric telescopic rod 203 retracts, causing the fixed plate 204, moving block 3, and laser welding machine 304 to rise back to their initial positions.The output end of the electric telescopic rod 201 retracts, causing the clamping plate 202 to release the workpiece. The motor 103 is then restarted, reversing and causing the screw 102 to rotate in the opposite direction. This returns the slider 104, the placement plate 105, and the welded workpiece to their initial positions, ready for the next workpiece welding operation.

Claims

1. An automated tab welding apparatus, comprising: The workbench (1), the workbench (1) upper end fixed mounting has fixed frame (2), the fixed frame (2) inside below slidingly connected with moving block (3), characterized in that: the workbench (1) upper end is equipped with the sliding slot one (101), the sliding slot one (101) is rotatably connected with screw rod (102), the screw rod (102) is threadedly connected with sliding block (104), the sliding block (104) upper end fixed mounting has the placement plate (105), the placement plate (105) is equipped with the placement groove, the fixed frame (2) upper end fixed mounting has electric telescopic rod two (203), the electric telescopic rod two (203) output end bottom fixed mounting has fixed plate (204), the fixed plate (204) upper end sliding installation has moving block (3), the moving block (3) upper rotatable mounting has laser welding machine (304).

2. The apparatus of claim 1, wherein: The workbench (1) one end fixed mounting has motor one (103), the motor one (103) fixed mounting in the outer end of sliding slot one (101), the motor one (103) output end is through workbench (1) and screw rod (102) fixed connection.

3. The apparatus of claim 1, wherein: The fixed frame (2) inside front and back end are both fixed mounting electric telescopic rod one (201), the output end of electric telescopic rod one (201) is both fixed mounting clamping plate (202).

4. The apparatus of claim 1, wherein: The fixed plate (204) bottom fixed mounting has pressing pad (205), and the pressing pad (205) has certain slip resistance and softness.

5. The apparatus of claim 1, wherein: The fixed plate (204) upper end is equipped with the sliding slot two (206), and the sliding slot two (206) is slidably connected with moving block (3).

6. The apparatus of claim 1, wherein: The moving block (3) upper end is equipped with the installation groove (301), and the installation groove (301) is fixedly installed with motor two (302) inside, and the motor two (302) output end is fixedly installed with connecting plate (303), and the connecting plate (303) upper end fixed mounting has laser welding machine (304).

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