Battery module welding tool

Abstract

The utility model relates to the technical field of energy, in particular to a battery module welding tool. According to the battery module welding tool, the battery module is restrained in the Z-axis direction through the Z-axis jacking and pressing mechanism, the Z-axis insulating guide plate located above the position between the two poles of the battery cell is arranged in the Z-axis jacking and pressing mechanism, and when the Z-axis pressing plate moves towards the interior of the tool box to press the battery module, the Z-axis insulating guide plate is pressed between the two poles of the battery module; the coplanarity of module battery pole columns is improved, so that the height of the battery module in the Z-axis direction is relatively consistent, and then poor welding occurring when electrodes are welded in the BUSBAR welding procedure is reduced, so that the purposes of reducing cost and improving efficiency are achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of energy, in particular to a battery module welding tool. Background Art

[0002] As the energy source for new energy vehicles, power batteries can effectively reduce vehicle exhaust emissions, achieving energy conservation and environmental protection. As a new development direction in the automotive industry, new energy vehicles are gaining an increasingly larger market share. Power batteries consist of multiple single cells connected in series and parallel in a battery module (typically a prismatic battery module). These modules must operate safely under the full vehicle operating conditions. For example, under vibration, they must maintain sufficient structural strength to ensure safety. The side and end panels of battery modules are typically connected using laser welding, with weld types classified as either edge welds or penetration welds.

[0003] In the existing scheme that is more commonly used in the industry, the aluminum shell square lithium battery module frame welding tool is to place the aluminum shell square lithium battery and the end plate and side plate in the tool, first limit it in the width direction of the battery module, and then squeeze it in the length direction of the battery module to the specified length direction dimension of the battery module; the main defects of the existing scheme are: the length and width directions of the battery module are controlled, and the coplanarity of the battery pole surfaces in the "Z axis" direction of the module is poor; although in the existing technology, it will cause the battery cells in the battery module to have welding defects such as "explosion, cold welding, and over-welding" when welding electrodes in the "BUSBAR" welding process; and in the existing welding tool, although there is a pressure-top mechanism in the "Z axis" direction, due to the certain limitations of the end plate and side plate on the pressure-top in the "Z axis" direction, the improvement of the poor welding of the battery cells in the battery module in the "BUSBAR" welding process is not obvious. Utility Model Content

[0004] The purpose of the utility model is to provide a battery module welding tool, which improves the coplanarity of the module battery poles and reduces the defective rate of the module in the "BUSBAR" welding process, so as to achieve the purpose of reducing costs and increasing efficiency.

[0005] In a first aspect, the present application provides a battery module welding tool:

[0006] A battery module welding tool, comprising a tool box capable of accommodating the battery module, an X-axis pressing mechanism, a Y-axis pressing mechanism, and a Z-axis pressing mechanism;

[0007] The X-axis pressing mechanism includes an X-axis handwheel assembly and an X-axis extrusion plate, and the Y-axis pressing mechanism includes a Y-axis cylinder and a Y-axis side pressure plate.

[0008] The Z-axis pressing mechanism includes an upper flip plate, a Z-axis pressing plate and a Z-axis handwheel assembly; the upper flip plate is arranged at the top of the tooling box;

[0009] The X-axis pressing mechanism and the Y-axis pressing mechanism are sequentially arranged on two adjacent surfaces of the tooling box, and the Z-axis pressing mechanism is arranged on the upper flip plate;

[0010] The output end of the X-axis cylinder can cause the X-axis extrusion plate to move toward the interior of the tooling box, thereby constraining the battery module in the tooling box in the X-axis direction;

[0011] The output end of the Y-axis handwheel assembly causes the Y-axis side pressure plate to move toward the interior of the tooling box, thereby constraining the battery module in the tooling box in the Y-axis direction;

[0012] The output end of the Z-axis handwheel assembly can prompt the Z-axis pressure plate to move toward the interior of the tooling box. The Z-axis pressure plate is provided with a Z-axis insulating guide plate, which can constrain the battery module in the tooling box in the Z-axis direction.

[0013] In this application, a Z-axis pressing mechanism is used to constrain the battery module in the Z-axis direction, ensuring a more consistent height along the Z-axis. This reduces welding defects during the "BUSBAR" welding process. The Z-axis pressing plate is equipped with a Z-axis insulating guide plate, which constrains the battery module in the tooling box in the Z-axis direction and prevents short circuits in the battery module.

[0014] Furthermore, the Z-axis insulating guide plate is located above between the two poles of the battery cell; when the Z-axis pressure plate moves toward the inside of the tooling box to press the battery module, the Z-axis insulating guide plate is pressed between the two poles of the battery module; the height of the Z-axis insulating guide plate is greater than the height of the electrode.

[0015] In the Z-axis direction, the Z-axis pressure plate constrains the height of the electrode, and the Z-axis insulating guide plate constrains the height of the battery module between the electrodes, thereby further improving the consistency of the battery module, thereby improving the consistency of the electrodes in the battery module, and further reducing the welding defects that occur when welding electrodes in the "BUSBAR" welding process.

[0016] Furthermore, a module heightening insulating block is provided at the bottom of the tooling box; and the material of the Z-axis insulating guide plate is engineering plastic.

[0017] Furthermore, the tooling box includes a rectangular bottom plate and an X-axis positioning plate, an X-axis mounting plate, a Y-axis mounting plate and a Y-axis side flip plate arranged on the bottom plate; the X-axis positioning plate and the X-axis mounting plate are opposite to each other, and the Y-axis mounting plate and the Y-axis side flip plate are opposite to each other; the X-axis pressing mechanism is arranged on the X-axis mounting plate, and the Y-axis pressing mechanism is arranged on the Y-axis mounting plate.

[0018] Furthermore, the X-axis mounting plate is provided with an X-axis through-hole containing a thread; the X-axis handwheel assembly includes an X-axis handwheel, an X-guide shaft, an X-axis screw bushing with a thread provided therein, and an X-axis extrusion screw, the X-axis screw bushing is fixed to the X-axis mounting plate and communicates with the X-axis through-hole, the X-axis extrusion screw passes through the X-axis screw bushing and the X-axis through-hole, the X-axis extrusion screw is threadedly connected to the X-axis screw bushing, one end of the X-axis extrusion screw outside the tooling box is connected to the X-axis handwheel, and the other end is connected to the X-axis extrusion plate; the movable end of the X-guide shaft is connected to the X-axis extrusion plate, and the fixed end is connected to the X-axis mounting plate;

[0019] The upper flip plate is provided with a Z-axis through hole with a thread; the Z-axis handwheel assembly includes a Z-axis handwheel, a Z-guide shaft, a Z-axis screw bushing with a thread inside and a Z-axis extrusion screw, the Z-axis screw bushing is fixed on the upper flip plate and communicates with the Z-axis through hole, the Z-axis extrusion screw passes through the Z-axis screw bushing and the Z-axis through hole, the Z-axis extrusion screw is threadedly connected to the Z-axis screw bushing, one end of the Z-axis extrusion screw outside the tooling box is connected to the Z-axis handwheel, and the other end is connected to the Z-axis pressure plate; the movable end of the Z guide shaft is connected to the Z-axis pressure plate, and the fixed end is connected to the upper flip plate.

[0020] Furthermore, there are four Z-guide shafts and four X-axis guide shafts.

[0021] The Z-axis guide axis makes the movement of the Z-axis pressure plate smoother and less likely to deviate when the Z-axis handwheel is turned. The X-axis guide axis makes the movement of the X-axis extrusion plate smoother and less likely to deviate when the X-axis handwheel is turned.

[0022] Furthermore, the upper flap is connected to the Y-axis mounting plate via a hinge; the upper flap is connected to the Y-axis side flap via a quick clamp.

[0023] Furthermore, the Z-axis pressing mechanism further includes a braking torque hinge, and the upper flip plate and the Y-axis mounting plate are also connected via the braking torque hinge.

[0024] Furthermore, the Y-axis side flap is rotatably connected to the base plate, and the Y-axis side flap is detachably connected to the X-axis positioning plate and the X-axis mounting plate.

[0025] Furthermore, the X-axis extrusion plate further includes a pressure sensor and a sensing extrusion plate, the pressure sensor is arranged between the X-axis extrusion plate and the sensing extrusion plate, and the sensing extrusion plate is located on a side of the X-axis extrusion plate away from the handwheel.

[0026] Beneficial effects:

[0027] 1. The Z-axis pressing mechanism is used to constrain the battery module in the Z-axis direction, thereby improving the coplanarity of the module battery poles and making the battery module height more consistent in the Z-axis direction. This reduces the welding defects that occur when welding electrodes in the "BUSBAR" welding process, thereby achieving the goal of reducing costs and increasing efficiency.

[0028] 2. The Z-axis insulating guide plate is located above the two poles of the battery cell; when the Z-axis pressing plate moves toward the inside of the tooling box to press the battery module, the Z-axis insulating guide plate is pressed between the two poles of the battery module; the height of the Z-axis insulating guide plate is greater than the height of the electrode; this makes the battery module not only have a high coplanarity, but also makes it less likely for the battery module to short-circuit during the preparation process, thereby reducing the defective rate of the battery cell and improving the safety of the preparation process. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 This is a structural diagram of a battery module according to Example 1 of the present utility model;

[0030] Figure 2 This is a right side top view of the battery module welding tool with the battery module placed thereon according to Example 1 of the present utility model;

[0031] Figure 3 This is a left side top view of the battery module welding tool of Example 1 of the present utility model;

[0032] Figure 4 This is a diagram of the Z-axis pressing mechanism of the battery module welding tooling of Example 1 of the present utility model pressing the battery module.

[0033] Reference numerals:

[0034] 1. Battery module; 2. Tool box; 3. X-axis pressing mechanism; 4. Y-axis pressing mechanism; 5. Z-axis pressing mechanism; 11. U-shaped aluminum frame; 12. Soft-pack battery cell; 13. End plate; 14. Post; 21. Bottom plate; 22. X-axis positioning plate; 23. X-axis mounting plate; 24. Y-axis mounting plate; 25. Y-axis side flip plate; 31. X-axis handwheel assembly; 32. X-axis extrusion plate; 33. Pressure sensor; 34. Sensor Extrusion plate; 41, Y-axis cylinder; 42, Y-axis side pressure plate; 51, upper flap; 52, Z-axis pressure plate; 53, Z-axis handwheel assembly; 54, Z-axis insulating guide plate; 55, brake torque hinge; 311, X-axis handwheel; 312, X-guide shaft; 313, X-axis screw bushing; 314, X-axis extrusion screw; 531, Z-axis handwheel; 532, Z-guide shaft; 533, Z-axis screw bushing; 534, Z-axis extrusion screw. DETAILED DESCRIPTION

[0035] In order to make this practical technical solution clearer, the following Figures 1 to 4The present invention is further described in detail with reference to the following specific embodiments.

[0036] Example 1

[0037] A battery module welding tool comprises a tool box 2 for holding a battery module 1, an X-axis pressing mechanism 3, a Y-axis pressing mechanism 4, and a Z-axis pressing mechanism 5. The X-axis pressing mechanism 3 comprises an X-axis handwheel assembly 31, an X-axis extrusion plate 32, a sensing extrusion plate 33, and a pressure sensor 34. The pressure sensor 34 is disposed between the X-axis extrusion plate 32 and the sensing extrusion plate 33. The sensing extrusion plate 33 is located on the side of the X-axis extrusion plate 32 away from the handwheel.

[0038] The Y-axis pressing mechanism 4 includes a Y-axis cylinder 41 and a Y-axis side pressure plate 42; the Z-axis pressing mechanism 5 includes an upper flip plate 51, a Z-axis pressure plate 52, a Z-axis handwheel assembly 53 and a brake torque hinge 55; the Z-axis pressure plate 52 is provided with a Z-axis insulating guide plate 54 (made of engineering plastic), and the upper flip plate 51 is arranged at the top of the tooling box 2; the X-axis pressing mechanism 3 and the Y-axis pressing mechanism 4 are sequentially arranged on two adjacent sides of the tooling box 2, and the Z-axis pressing mechanism 5 is arranged on the upper flip plate 51.

[0039] The battery module 1 in this application is composed of a "U"-shaped aluminum frame 11, a group of soft-pack batteries 12 and two end plates 13. Figure 1 The soft-pack battery cell 12 and the end plate 13 can slide in the "U"-shaped aluminum frame. The structure of the battery module 1 is as follows: Figure 1 .

[0040] The output end of the X-axis handwheel assembly 31 can prompt the X-axis extrusion plate 32 to move toward the interior of the tooling box 2, thereby constraining the battery module 1 in the tooling box 2 in the X-axis direction; the output end of the Y-axis cylinder 41 can prompt the Y-axis side pressure plate 42 to move toward the interior of the tooling box 2, thereby constraining the battery module 1 in the tooling box 2 in the Y-axis direction; the output end of the Z-axis handwheel assembly 53 can prompt the Z-axis pressure plate 52 to move toward the interior of the tooling box 2, and the Z-axis insulating guide plate 54 on the Z-axis pressure plate 52 constrains the battery module 1 in the tooling box 2 in the Z-axis direction.

[0041] The Z-axis insulating guide plate 54 is located above between the two poles of the battery cell; when the Z-axis pressure plate 52 moves toward the inside of the tooling box 2 to press the battery module 1, the Z-axis insulating guide plate 54 is pressed between the two poles 14 of the battery module 1; the height of the Z-axis insulating guide plate 54 is greater than the height of the electrode 14.

[0042] The tooling box 2 includes a rectangular base plate 21 and an X-axis positioning plate 22, an X-axis mounting plate 23, a Y-axis mounting plate 24 and a Y-axis side flip plate 25 arranged on the base plate 21; the X-axis positioning plate 22 and the X-axis mounting plate 23 are opposite to each other, and the Y-axis mounting plate 24 and the Y-axis side flip plate 25 are opposite to each other; the X-axis pressing mechanism 3 is arranged on the X-axis mounting plate 23, and the Y-axis pressing mechanism 4 is arranged on the Y-axis mounting plate 24; the base plate 21 is provided with a module heightening insulating block.

[0043] The X-axis mounting plate 23 is provided with an X-axis through hole with a thread; the X-axis handwheel assembly 31 includes an X-axis handwheel 311, an X-guide shaft 312, an X-axis screw bushing 313 with a thread inside and an X-axis extrusion screw 314. The X-axis screw bushing 313 is fixed on the X-axis mounting plate 23 and communicates with the X-axis through hole. The X-axis extrusion screw 314 passes through the X-axis screw bushing 313 and the X-axis through hole. The X-axis extrusion screw 314 is threadedly connected to the X-axis screw bushing 313. One end of the X-axis extrusion screw 314 outside the tooling box 2 is connected to the X-axis handwheel 311, and the other end inside the tooling box 2 is connected to the X-axis extrusion plate 32; one end of the X-guide shaft 312 is connected to the X-axis extrusion plate 32, and the other end is connected to the X-axis mounting plate 23.

[0044] The upper flip plate 51 is provided with a Z-axis through hole with a thread; the Z-axis handwheel assembly 53 includes a Z-axis handwheel 531, a Z guide shaft 532, a Z-axis screw bushing 533 with a thread inside and a Z-axis extrusion screw 534, the Z-axis screw bushing 533 is fixed on the upper flip plate 51 and communicates with the Z-axis through hole, the Z-axis extrusion screw 534 passes through the Z-axis screw bushing 533 and the Z-axis through hole, the Z-axis extrusion screw 534 is threadedly connected to the Z-axis screw bushing 533, one end of the Z-axis extrusion screw 534 close to the Z-axis screw bushing 533 is connected to the Z-axis handwheel 531, and the other end is connected to the Z-axis pressure plate 52; one end of the Z guide shaft 532 is connected to the Z-axis pressure plate 52, and the other end is connected to the upper flip plate 51.

[0045] One end of the upper flap 51 is rotatably connected to the Y-axis mounting plate 24 (connected by a hinge), and the other end of the upper flap 51 is detachably connected to the Y-axis side flap 25 (connected by a quick clamp).

[0046] The Z-axis pressing mechanism 5 further includes a braking torque hinge, and the upper flip plate 51 and the Y-axis mounting plate 24 are further connected via a braking torque hinge 55 .

[0047] The Y-axis side flap 25 is rotatably connected to the base plate 21 , and the Y-axis side flap 25 and the X-axis positioning plate 22 and the X-axis mounting plate 23 are all detachably connected (connected by quick clamps).

[0048] The working process of the battery module welding tooling of this application is as follows:

[0049] First, open the quick-release clamp on the upper flap 51 and open it to an angle greater than 90°, ensuring that the braking torque of the braking torque hinge 55 is sufficient to support the weight of the Z-axis pressing mechanism 5. Next, open the quick-release clamp on the Y-axis side flap 25 and open it to an angle greater than 90°. Next, place the battery module 1 on the module-raising insulating block within the tooling box 2, ensuring that one side of the battery module 1 aligns with the X-axis positioning plate 22. Then, close the Y-axis side flap 25 and secure it to the X-axis positioning plate 22 and the X-axis mounting plate 23 using the quick-release clamp on the Y-axis side flap 25.

[0050] The Y-axis cylinder 41 is started, and the output end of the Y-axis cylinder 41 pushes the Y-axis side pressure plate 42 to constrain the battery module 1 in the Y-axis direction.

[0051] Next, close the upper flap 51 and secure it to the Y-axis side flap 25 using the quick-release clamp on the upper flap 51. Turn the Z-axis handwheel 531 to push the Z-axis pressure plate 52 and the Z-axis insulating guide plate 54 toward the interior of the tooling box 2 until the Z-axis insulating guide plate 54 presses against the middle area of the battery post cover, restraining the battery in the Z-axis direction. At this point, the Z-axis insulating guide plate 54 presses between the two posts of the battery module 1.

[0052] Turning the X-axis handwheel 311 pushes the X-axis extrusion plate 32, pressure sensor 34, and sensor extrusion plate 33. The sensor extrusion plate 33 pushes the battery module 1 toward the X-axis positioning plate 22 until the module reaches the specified length and the extrusion force meets the technical requirements. Finally, the module frame welding operation is carried out.

[0053] The pressure in the X-axis direction is sensed by the pressure sensor 34. By limiting the pressure value measured by the pressure sensor 34 and the position of the sensing extrusion plate 33, the battery module 1 is ensured to have good stability in the X-axis direction, while also improving the stability of the battery module 1 in the Z-axis direction.

[0054] In other embodiments, the pressure sensor 34 and the sensing extrusion plate 33 may not be provided, and the battery module 1 is squeezed by the X-axis extrusion plate 32 to move toward the X-axis positioning plate 22 until the module reaches the specified length dimension and the extrusion force meets the technical requirements.

[0055] The innovation of this application is that before the battery module 1 is extruded in the length direction, the battery module 1 is constrained in the Z-axis direction, which effectively suppresses the movement of the battery in the Z-axis direction during the extrusion process, improves the coplanarity of the module battery poles, and reduces the welding defects such as "explosion, sweating, over-welding" caused by poor coplanarity of the module battery poles in the "BUSBAR" welding process, so as to achieve the purpose of reducing costs and increasing efficiency.

[0056] The above embodiments merely illustrate several implementation methods of the present invention. While the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the present invention. It should be noted that a person skilled in the art could make numerous modifications and improvements without departing from the present invention, all of which fall within the scope of protection of the present invention. Therefore, the scope of protection of the present invention shall be determined by the appended claims.

Claims

1. A battery module welding tool, characterized in that: It comprises a tool box (2) capable of containing a battery module (1), an X-axis pressing mechanism (3), a Y-axis pressing mechanism (4), and a Z-axis pressing mechanism (5); The X-axis pressing mechanism (3) includes an X-axis handwheel assembly (31) and an X-axis extrusion plate (32); the Y-axis pressing mechanism (4) includes a Y-axis cylinder (41) and a Y-axis side pressing plate (42); The Z-axis pressing mechanism (5) comprises an upper flap (51), a Z-axis pressing plate (52) and a Z-axis handwheel assembly (53); the upper flap (51) is arranged at the top of the tooling box (2); The X-axis pressing mechanism (3) and the Y-axis pressing mechanism (4) are sequentially arranged on two adjacent surfaces of the tooling box (2), and the Z-axis pressing mechanism (5) is arranged on the upper flip plate (51); The output end of the X-axis handwheel assembly (31) can cause the X-axis extrusion plate (32) to move toward the interior of the tooling box (2), thereby constraining the battery module (1) in the tooling box (2) in the X-axis direction; The output end of the Y-axis cylinder (41) causes the Y-axis side pressure plate (42) to move toward the interior of the tooling box (2), thereby constraining the battery module (1) in the tooling box (2) in the Y-axis direction; The output end of the Z-axis handwheel assembly (53) can cause the Z-axis pressing plate (52) to move toward the interior of the tooling box (2); the Z-axis pressing plate (52) is provided with a Z-axis insulating guide plate (54); and the Z-axis insulating guide plate (54) can constrain the battery module (1) in the tooling box (2) in the Z-axis direction.

2. A battery module welding tool according to claim 1, characterized in that: The Z-axis insulating guide plate (54) is located above the two poles (14) of the battery cell; when the Z-axis pressing plate (52) moves toward the interior of the tooling box (2) to press the battery module (1), the Z-axis insulating guide plate (54) is pressed between the two poles (14) of the battery module (1); the height of the Z-axis insulating guide plate (54) is greater than the height of the electrode.

3. A battery module welding tool according to claim 2, characterized in that: A module heightening insulating block is provided at the bottom of the tooling box (2); the Z-axis insulating guide plate (54) is made of engineering plastic.

4. The battery module welding tool according to claim 1, characterized in that: The tool box (2) comprises a rectangular bottom plate (21) and an X-axis positioning plate (22), an X-axis mounting plate (23), a Y-axis mounting plate (24) and a Y-axis side flip plate (25) arranged on the bottom plate (21); the X-axis positioning plate (22) and the X-axis mounting plate (23) are opposite to each other, and the Y-axis mounting plate (24) and the Y-axis side flip plate (25) are opposite to each other; the X-axis pressing mechanism (3) is arranged on the X-axis mounting plate (23), and the Y-axis pressing mechanism (4) is arranged on the Y-axis mounting plate (24).

5. The battery module welding tool according to claim 4, characterized in that: The X-axis mounting plate (23) is provided with an X-axis through hole containing a thread; the X-axis handwheel assembly (31) includes an X-axis handwheel (311), an X-guide shaft (312), an X-axis screw bushing (313) provided with a thread inside, and an X-axis extrusion screw (314); the X-axis screw bushing (313) is fixed to the X-axis mounting plate (23) and communicates with the X-axis through hole; the X-axis extrusion screw (314) passes through the X-axis screw bushing (313) and the X-axis through hole; the X-axis extrusion screw (314) is threadedly connected to the X-axis screw bushing (313); one end of the X-axis extrusion screw (314) outside the tooling box (2) is connected to the X-axis handwheel (311), and the other end is connected to the X-axis extrusion plate (32); the movable end of the X-guide shaft (312) is connected to the X-axis extrusion plate (32), and the fixed end is connected to the X-axis mounting plate (23); The upper flip plate (51) is provided with a Z-axis through hole containing a thread; the Z-axis handwheel assembly (53) comprises a Z-axis handwheel (531), a Z-guide shaft (532), a Z-axis screw bushing (533) provided with a thread inside, and a Z-axis extrusion screw (534); the Z-axis screw bushing (533) is fixed on the upper flip plate (51) and communicates with the Z-axis through hole; the Z-axis extrusion screw (534) passes through the Z-axis screw bushing (533) and the Z-axis through hole; the Z-axis extrusion screw (534) is threadedly connected to the Z-axis screw bushing (533); one end of the Z-axis extrusion screw (534) outside the tooling box (2) is connected to the Z-axis handwheel (531), and the other end is connected to the Z-axis pressure plate (52); the movable end of the Z-guide shaft (532) is connected to the Z-axis pressure plate (52), and the fixed end is connected to the upper flip plate (51).

6. The battery module welding tool according to claim 4, characterized in that: One end of the upper flap (51) is rotatably connected to the Y-axis mounting plate (24), and the other end of the upper flap (51) is detachably connected to the Y-axis side flap (25).

7. The battery module welding tool according to claim 6, characterized in that: The upper flap (51) is connected to the Y-axis mounting plate (24) via a hinge; the upper flap (51) is connected to the Y-axis side flap (25) via a quick clamp.

8. The battery module welding tool according to claim 7, characterized in that: The Z-axis pressing mechanism (5) further includes a braking torque hinge (55), and the upper flip plate (51) and the Y-axis mounting plate (24) are also connected via the braking torque hinge (55).

9. The battery module welding tool according to claim 4, characterized in that: The Y-axis side flip plate (25) is rotatably connected to the base plate (21), and the Y-axis side flip plate (25) is detachably connected to the X-axis positioning plate (22) and the X-axis mounting plate (23).

10. The battery module welding tool according to claim 4, characterized in that: The X-axis extrusion plate (32) further comprises a pressure sensor (33) and a sensing extrusion plate (34), wherein the pressure sensor (33) is arranged between the X-axis extrusion plate (32) and the sensing extrusion plate (34), and the sensing extrusion plate (34) is located on a side of the X-axis extrusion plate (32) away from the handwheel.

Images