Manual type battery module spot welding device based on universal ball positioning

Abstract

The utility model relates to the technical field of battery module manufacturing, in particular to a manual battery module spot welding device based on universal ball positioning, which comprises an aluminum alloy frame, a portal frame, a stainless steel universal ball matrix, a welding tray component and a welding head component. The welding tray assembly is adsorbed to the top of the stainless steel universal ball matrix, a portal frame is installed on the rear side of the top plane of the aluminum alloy frame, a welding machine head assembly is installed on the front side of the portal frame, and the welding tray assembly is located below the welding machine head assembly. Compared with the prior art, the welding tray assembly can adapt to the sizes of different battery modules, so that the cost and time for transforming automatic equipment are saved, and rapid and small-batch production is realized; the device has the advantages of low cost, high flexibility and simplicity and convenience in operation.

Description

A manual battery module spot welding device based on omnidirectional ball positioning Technical Field

[0001] This utility model relates to the field of battery module manufacturing technology, specifically a manual battery module spot welding device based on universal ball bearing positioning. Background Technology

[0002] Currently, traditional spot welding equipment relies on servo motors to drive the XYZ axis positioning, which is costly and complex to maintain, requiring professional technicians to operate, resulting in high labor costs.

[0003] Existing manual pallets mostly use guide rails or rack and pinion positioning, which are redundant in positioning structure, cumbersome in assembly, and have poor adjustment flexibility, thus limiting their applicability.

[0004] When spot welding battery modules, especially large cylindrical energy storage modules, the welding chassis size limits the operation, resulting in poor weldability. Currently, there are no anti-displacement fixing structures designed for spot welding scenarios, which can easily lead to welding misalignment.

[0005] Therefore, it is necessary to design a manual battery module spot welding device based on universal ball positioning, which can adapt to different battery module sizes and achieve low-cost, high-efficiency, and easy-to-operate battery module welding. Summary of the Invention

[0006] The purpose of this invention is to overcome the shortcomings of the prior art and provide a manual battery module spot welding device based on universal ball positioning, which can adapt to different battery module sizes and achieve low-cost, high-efficiency, and easy-to-operate battery module welding.

[0007] To achieve the above objectives, this utility model is a manual battery module spot welding device based on universal ball bearing positioning, comprising an aluminum alloy frame, a gantry frame, a stainless steel universal ball bearing matrix, a welding tray assembly, and a welding head assembly. The stainless steel universal ball bearing matrix is ​​arranged on the top plane of the aluminum alloy frame, and the welding tray assembly is attached to the top of the stainless steel universal ball bearing matrix. The gantry frame is installed on the rear side of the top plane of the aluminum alloy frame, and the welding head assembly is installed on the front side of the gantry frame. The welding tray assembly is located below the welding head assembly. The welding tray assembly includes a magnetic tray base plate, bakelite fixing corners, and handles. Two sliding grooves are provided on the diagonal of the magnetic tray base plate, and a sliding bakelite fixing corner is installed in each groove. The two bakelite fixing corners hold the battery module. A handle is installed on each side of the magnetic tray base plate.

[0008] The magnetic pallet base plate includes an ABS plastic pallet body, a magnetic rubber layer, and a Teflon sheet. The bottom of the ABS plastic pallet body is provided with the magnetic rubber layer and the Teflon sheet in sequence. The ABS plastic pallet body, the magnetic rubber layer, and the Teflon sheet are connected by fixing screws.

[0009] After the hand-tightened screw passes through the bakelite fixing corner and spring, it is fixed to the T-shaped connector. The T-shaped connector is slidably installed in the groove of the magnetic tray base plate.

[0010] The surface of the bakelite fixing angle is provided with a mounting groove, through which a hand-tightened screw passes.

[0011] The welding head assembly includes a motor mechanism, a T-nut, a motor mounting plate, a vertical slide rail, a welding slide plate, a red light positioner, and a welding mechanism. A T-nut is installed on the rear side of the motor mounting plate. The T-nut is installed in the front slide groove of the gantry frame and is fastened with screws. The motor mechanism and the vertical slide rail are installed on the front side of the motor mounting plate. A welding slide plate is installed on the front side of the vertical slide rail. The movable end of the motor mechanism is connected to the welding slide plate. A red light positioner is installed at the bottom of the movable end of the motor mechanism. The welding mechanism is installed on the front side of the welding slide plate.

[0012] The welding slide plate is equipped with a limit baffle on its side, and the motor mounting plate is equipped with a limit switch on its side corresponding to the position of the limit baffle.

[0013] The welding mechanism includes a welding mechanism body, a welding pressure fine adjuster, a welding needle clamp, and a spot welding needle. A pressure sensor is installed inside the welding mechanism body. The welding pressure fine adjuster is installed on the top of the welding mechanism body. The welding needle clamp is installed on the bottom of the welding mechanism body, and the welding needle clamp holds the spot welding needle.

[0014] The bottom plane of the aluminum alloy frame is equipped with a foot pedal, and the switch inside the foot pedal is connected in series in the power supply circuit of the welding machine.

[0015] The bottom of the aluminum alloy frame is equipped with pulleys and support legs.

[0016] A toolbox is placed on top of the gantry frame.

[0017] Compared with the prior art, the welding tray assembly of this invention can adapt to the size of different battery modules, saving the cost and time of modifying automated equipment and realizing rapid small-batch production; this invention has the advantages of low cost, high flexibility and easy operation. Attached Figure Description

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

[0019] Figure 2 is an exploded view of the welding tray assembly of this utility model.

[0020] Figure 3 is an isometric view of the welding tray assembly of this utility model.

[0021] Figure 4 is a structural schematic diagram of the welding head assembly of this utility model.

[0022] Figure 5 is an exploded view of the welding head assembly of this utility model. Detailed Implementation

[0023] The present invention will now be further described with reference to the accompanying drawings.

[0024] Referring to Figure 1, this utility model is a manual battery module spot welding device based on universal ball positioning, including an aluminum alloy frame, a gantry frame, a stainless steel universal ball matrix, a welding tray assembly, and a welding head assembly. The top plane of the aluminum alloy frame 1 is provided with a stainless steel universal ball matrix 2, and the welding tray assembly 3 is attached to the top of the stainless steel universal ball matrix 2. The gantry frame 4 is installed on the rear side of the top plane of the aluminum alloy frame 1, and the welding head assembly 6 is installed on the front side of the gantry frame 4. The welding tray assembly 3 is located below the welding head assembly 6.

[0025] Referring to Figures 2 and 3, the welding pallet assembly 3 includes a magnetic pallet base plate, bakelite fixing corners, and handles. The magnetic pallet base plate has two sections of sliding grooves on its diagonal, and each section of sliding groove is equipped with a sliding bakelite fixing corner 35. The two bakelite fixing corners 35 hold the battery module 7 in place, thereby positioning and fixing the battery module 7. A handle 36 is installed on each side of the magnetic pallet base plate, which facilitates the handling of the welding pallet assembly 3.

[0026] The magnetic tray base plate includes an ABS plastic tray body 33, a magnetic rubber layer 32, and a Teflon sheet 31. The bottom of the ABS plastic tray body 33 is sequentially provided with the magnetic rubber layer 32 and the Teflon sheet 31. The ABS plastic tray body 33, the magnetic rubber layer 32, and the Teflon sheet 31 are connected by fixing screws 34. The magnetic rubber layer 32 can attract the stainless steel universal ball bearing matrix 2 and the battery module 7, preventing slippage and displacement.

[0027] After passing through the bakelite fixing angle 35 and the spring 38, the hand-tightening screw 37 is fixed to the T-shaped connector 39, which is slidably installed in the groove of the magnetic tray base plate. The movement of the T-shaped connector 39 in the groove adjusts the distance between the two bakelite fixing angles 35, thereby fixing battery modules of different sizes. By adjusting the tightness of the hand-tightening screw 37, the bakelite fixing angle 35 is locked to the ABS plastic tray body 33 for fixation.

[0028] The surface of the bakelite fixing angle 35 is provided with a mounting groove. The hand screw 37 passes through the mounting groove, and the hand screw 37 can be fixed at any position in the mounting groove, so that the position of the bakelite fixing angle 35 can be adjusted to a greater extent.

[0029] Referring to Figures 4 and 5, the welding head assembly 6 includes a motor mechanism 61, a T-nut 62, a motor mounting plate 63, a vertical slide rail 64, a welding slide plate 65, a red light positioner 66, and a welding mechanism 67. The T-nut 62 is installed on the rear side of the motor mounting plate 63. The T-nut 62 is installed in the front slide groove of the gantry 4 and is fastened with screws. Loosening the four fixing screws allows the motor mounting plate 63 to move left and right, which is convenient for subsequent spot welding adjustments.

[0030] A motor mechanism 61 and a vertical slide rail 64 are mounted on the front side of the motor mounting plate 63. A welding slide plate 65 is mounted on the front side of the vertical slide rail 64. The movable end of the motor mechanism 61 is connected to the welding slide plate 65. A red light positioner 66 is mounted on the bottom of the movable end of the motor mechanism 61. The red light positioner 66 emits a crosshair, which helps the operator to position the device during spot welding. A welding mechanism 67 is mounted on the front side of the welding slide plate 65.

[0031] A limit baffle 68 is installed on the side of the welding slide plate 65, and a limit switch 69 corresponding to the position of the limit baffle 68 is installed on the side of the motor mounting plate 63. The limit switch 69 is used to control the height during the spot welding process, and is triggered by the limit baffle 68.

[0032] The welding mechanism 67 includes a welding mechanism body 672, a welding pressure fine-tuning device 671, a welding needle clamp 673, and a spot welding needle 674. A pressure sensor is installed inside the welding mechanism body 672. During spot welding, the pressure sensor provides pressure feedback to prevent excessive or insufficient pressure from damaging the battery cell or causing a poor weld. The welding pressure fine-tuning device 671 is installed on the top of the welding mechanism body 672, making the spot welding pressure more precise. The welding needle clamp 673 is installed on the bottom of the welding mechanism body 672, clamping the spot welding needle 674. The welding needle clamp 673 can be replaced with welding needles 674 of different sizes according to welding needs.

[0033] A foot pedal 11 is mounted on the bottom plane of the aluminum alloy frame 1, and the switch inside the foot pedal 11 is connected in series in the power supply circuit of the welding machine. When the operator steps on the foot pedal 11, the trigger circuit is turned on, and the welding head assembly 6 is powered on to start the welding process; when the operator releases the foot pedal 11, the circuit is cut off, and the welding head assembly 6 stops welding.

[0034] The bottom of the aluminum alloy frame 1 is equipped with casters 12 and support feet 13. When it is necessary to move the battery module spot welding device, the support feet 13 are retracted and the casters 12 are opened, so that the battery module spot welding device can be pushed to the required location, which increases the convenience of welding work.

[0035] Tool box 5 is placed on top of gantry 4 for storing welding tools.

[0036] In the welding process of cylindrical battery modules, the operator manually moves the welding tray assembly 3 until the red light emitted from the welding head assembly 6 is at the center of the positive and negative terminals of the battery. The operator then presses the foot pedal 11, completing one welding cycle for the welding head assembly 6. This process is repeated to complete the welding of the entire cylindrical battery module.

[0037] The welding tray assembly of this invention can adapt to different battery module sizes, saving the cost and time of modifying automated equipment and enabling rapid small-batch production; this invention has the advantages of low cost, high flexibility and easy operation.

Claims

1. A manual battery module spot welding device based on universal ball bearing positioning, comprising an aluminum alloy frame, a gantry frame, a stainless steel universal ball bearing matrix, a welding tray assembly, and a welding head assembly, characterized in that: A stainless steel universal ball matrix (2) is arranged on the top plane of the aluminum alloy frame (1). The welding tray assembly (3) is attached to the top of the stainless steel universal ball matrix (2). A gantry frame (4) is installed on the rear side of the top plane of the aluminum alloy frame (1). A welding head assembly (6) is installed on the front side of the gantry frame (4). The welding tray assembly (3) is located below the welding head assembly. The welding tray assembly (3) includes a magnetic tray base plate, bakelite fixing corners, and handles. Two slides are provided on the diagonal of the magnetic tray base plate. A slidable bakelite fixing corner (35) is installed in each slide. The two bakelite fixing corners (35) hold the battery module (7). A handle (36) is installed on each side of the magnetic tray base plate.

2. The manual battery module spot welding device based on universal ball bearing positioning according to claim 1, characterized in that: The magnetic pallet base plate includes an ABS plastic pallet body (33), a magnetic rubber layer (32), and a Teflon sheet (31). The bottom of the ABS plastic pallet body (33) is provided with a magnetic rubber layer (32) and a Teflon sheet (31) in sequence. The ABS plastic pallet body (33), the magnetic rubber layer (32), and the Teflon sheet (31) are connected by fixing screws (34).

3. The manual battery module spot welding device based on universal ball bearing positioning according to claim 1, characterized in that: After the hand-tightened screw (37) passes through the bakelite fixing angle (35) and the spring (38), it is fixed to the T-shaped connector (39), which is slidably installed in the groove of the magnetic tray base plate.

4. The manual battery module spot welding device based on universal ball bearing positioning according to claim 3, characterized in that: The surface of the bakelite fixing angle (35) is provided with a mounting groove, through which a hand-tightened screw (37) passes.

5. The manual battery module spot welding device based on universal ball bearing positioning according to claim 1, characterized in that: The welding head assembly (6) includes a motor mechanism (61), a T-nut (62), a motor mounting plate (63), a vertical slide rail (64), a welding slide plate (65), a red light locator (66), and a welding mechanism (67). The T-nut (62) is installed on the rear side of the motor mounting plate (63). The T-nut (62) is installed in the front slide groove of the gantry (4) and is fastened with screws. The motor mechanism (61) and the vertical slide rail (64) are installed on the front side of the motor mounting plate (63). The welding slide plate (65) is installed on the front side of the vertical slide rail (64). The movable end of the motor mechanism (61) is connected to the welding slide plate (65). The red light locator (66) is installed at the bottom of the movable end of the motor mechanism (61). The welding mechanism (67) is installed on the front side of the welding slide plate (65).

6. A manual battery module spot welding device based on universal ball bearing positioning according to claim 5, characterized in that: The welding slide plate (65) is equipped with a limit baffle (68) on its side, and the motor mounting plate (63) is equipped with a limit switch (69) corresponding to the position of the limit baffle (68) on its side.

7. A manual battery module spot welding device based on universal ball bearing positioning according to claim 5, characterized in that: The welding mechanism (67) includes a welding mechanism body (672), a welding pressure fine adjuster (671), a welding needle clamp (673), and a spot welding needle (674). A pressure sensor is installed inside the welding mechanism body (672). The welding pressure fine adjuster (671) is installed on the top of the welding mechanism body (672), and the welding needle clamp (673) is installed on the bottom of the welding mechanism body (672). The welding needle clamp (673) clamps the spot welding needle (674).

8. A manual battery module spot welding device based on universal ball bearing positioning according to claim 1, characterized in that: The bottom plane of the aluminum alloy frame (1) is equipped with a foot pedal (11), and the switch inside the foot pedal (11) is connected in series in the power supply circuit of the welding machine.

9. A manual battery module spot welding device based on universal ball bearing positioning according to claim 1, characterized in that: The bottom of the aluminum alloy frame (1) is equipped with pulleys (12) and support feet (13).

10. A manual battery module spot welding device based on universal ball bearing positioning according to claim 1, characterized in that: A toolbox (5) is placed on top of the gantry (4).

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