Blade battery top cover welding tool

Abstract

A blade battery top cover welding tool comprises a tool support, an overturning assembly, a transposition assembly and a clamping assembly, and the overturning assembly is composed of a driving motor and a bottom plate; the transposition assembly comprises a left transposition drive and a right transposition drive which are arranged on the bottom plate, a left push plate is arranged at the output end of the left transposition drive, and a right push plate is arranged at the output end of the right transposition drive and used for pushing the battery cell to move left and right for transposition; the clamping assembly comprises a supporting plate, a positioning plate, a top positioning drive and a front side positioning drive, a top positioning pressing strip is arranged at the output end of the top positioning drive and used for limiting up-down movement of the battery cell, and a front pressing plate is arranged at the output end of the front side positioning drive and used for limiting front-back movement of the battery cell. According to the utility model, the battery cell is rotated through the rotating assembly driven by the servo motor, so that the efficiency and the precision of battery cell spin welding are improved; and meanwhile, through the transposition assembly controlled by the air cylinder, automatic switching welding of straight lines and round corners at the two ends of the battery cell is achieved, manual operation steps are saved, and the working efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of square shell power battery automation equipment, in particular to a blade battery top cover welding tool. Background Art

[0002] The higher the battery space utilization rate, the more batteries can be arranged in a limited space, thereby improving energy density and driving range. Traditional battery packs are composed of battery cells to form battery modules, which are then composed of battery packs. The large number of beam structures takes up 60% of the space, and the effective space utilization rate of the battery is only about 40%.

[0003] A PACK battery pack refers to a battery pack that combines multiple single lithium battery cells in series and parallel to form a complete battery pack. Laser welding is mainly used as the connection method. It has the characteristics of compact structure and high energy storage density. With the rapid development of new energy vehicles, it is widely used as a power module for new energy vehicles.

[0004] The battery cell is the most important component of the PACK battery pack and is required to have a high degree of consistency. Currently, most manufacturers use a single-segment welding method in the side welding operation of the battery cell top cover, which cannot achieve continuous welding of the straight section and the rounded section of the battery cell top cover, and requires manual switching of the direction, resulting in low operating efficiency and poor consistency of the product after welding.

[0005] Therefore, in view of the deficiencies in the prior art, the utility model designs a blade battery top cover welding tool to solve the above problems.

[0006] It should be noted that the above introduction to the technical background is only for the convenience of clearly and completely explaining the technical solution of the utility model and facilitating the understanding of those skilled in the art. It cannot be considered that the above contents are well known to those skilled in the art simply because they are explained in the background technology of the utility model. Utility Model Content

[0007] In order to overcome the deficiencies in the above-mentioned prior art, the purpose of the utility model is to provide a blade battery top cover welding tool to achieve automatic rotation and reversal of the battery cell, thereby improving production efficiency and battery cell processing accuracy.

[0008] In order to achieve the above-mentioned purpose and other related purposes, the technical solution provided by the utility model is: a blade battery top cover welding tool, including a tool bracket, a flip assembly, a transposition assembly and a clamping assembly, wherein:

[0009] The flip assembly consists of a drive motor and a bottom plate, wherein the left and right ends of the bottom plate are rotatably connected to the tooling bracket; the drive motor is fixed to the tooling bracket, and the output end of the drive motor is transmission-connected to the right side of the bottom plate to drive the bottom plate to flip;

[0010] The transposition assembly includes a left transposition drive and a right transposition drive arranged on the bottom plate. The output end of the left transposition drive is provided with a left push plate, and the output end of the right transposition drive is provided with a right push plate. The left push plate and the right push plate are arranged opposite to each other and are used to push the battery cell to move left and right for transposition, and automatically cooperate with the laser welding device to realize continuous welding.

[0011] The clamping assembly includes a support plate, a positioning plate, a top positioning drive and a front positioning drive fixed on the bottom plate. A top positioning strip is provided at the output end of the top positioning drive, and a front pressure plate is provided at the output end of the front positioning drive. The support plate and the top positioning strip are arranged opposite to each other in the vertical direction to limit the up and down movement of the battery cell. The positioning plate and the front pressure plate are arranged opposite to each other in the horizontal direction to limit the forward and backward movement of the battery cell.

[0012] The preferred technical solution is that the top positioning pressure strip is connected to the output end of the top positioning drive by rotation, and can be rotated to avoid when removing the discharge core.

[0013] The preferred technical solution is: a slot-shaped photoelectric device is provided on the tooling bracket, and a sensor sheet corresponding to the slot-shaped photoelectric device is provided on the bottom plate to control the flip angle of the flip assembly.

[0014] The preferred technical solution is: a rotating shaft is provided on the left side of the tooling bracket, the rotating shaft is rotatably connected to the left side of the base plate, a rotating platform is provided on the right side of the tooling bracket, the output end of the rotating platform is connected to the right side of the base plate, and the input end of the rotating platform is connected to the output end of the driving motor.

[0015] The preferred technical solution is: there are two groups of top positioning drives and front positioning drives to ensure the force balance of the battery cell and improve the clamping stability.

[0016] The preferred technical solution is that the left transposition drive, the right transposition drive, the top positioning drive and the front positioning drive are all cylinders.

[0017] The preferred technical solution is: the driving motor is a servo motor, and the rotation angle is highly controllable.

[0018] The preferred technical solution is: side plates are provided at both ends of the bottom plate, and the side plates at both ends are respectively connected to the rotating shaft and the rotating platform.

[0019] The preferred technical solution is: a rib plate is provided on the inner side of the side plate, and the bottom of the rib plate is fixedly connected to the bottom plate.

[0020] The preferred technical solution is: a limit bar is provided behind the right push plate to limit the left and right movement of the battery cell.

[0021] Due to the application of the above-mentioned technical scheme, the utility model provides a blade battery top cover welding tool, which rotates the battery cell through a rotating component driven by a servo motor, thereby improving the efficiency and accuracy of the battery cell rotation welding; at the same time, through the cylinder-controlled transposition component, automatic switching welding of the straight lines and rounded corners at both ends of the battery cell is achieved, which greatly saves manual operation steps and improves work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is an isometric side view of a blade battery top cover welding tool of the utility model;

[0023] Figure 2 This is a front view of a blade battery top cover welding tooling of the utility model;

[0024] Figure 3 The utility model is a top view of a blade battery top cover welding tool.

[0025] In the above drawings, 1. tooling bracket; 11. slot-type photoelectric; 12. rotating shaft; 13. rotating platform; 2. flip assembly; 21. drive motor; 22. bottom plate; 22a. sensor sheet; 22b. side plate; 22c. rib plate; 3. transposition assembly; 31. left transposition drive; 31a. left push plate; 32. right transposition drive; 32a. right push plate; 33. limit strip; 4. clamping assembly; 41. support plate; 42. positioning plate; 43. top positioning drive; 43a. top positioning pressure strip; 44. front positioning drive; 44a. front pressure plate; 5. battery cell. DETAILED DESCRIPTION

[0026] The following is a description of the implementation of the present invention by means of specific embodiments. People familiar with the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification.

[0027] In the description of the present utility model, it should be noted that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, or the positions or positional relationships in which the utility model product is usually placed when in use. They are only for the convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, terms such as "horizontal", "vertical", and "overhanging" do not mean that the components are required to be absolutely horizontal or overhanging, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0028] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connected" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection, it can be a mechanical connection, it can be an electrical connection, it can be a direct connection, it can be indirectly connected through an intermediate medium, and it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0029] like Figure 1 As shown, the utility model discloses a blade battery top cover welding tool, which is composed of a tool support 1, a flip assembly 2, a transposition assembly 3 and a clamping assembly 4. The main components of the utility model are described in detail below:

[0030] like Figure 1 and Figure 3 As shown, a slot-shaped photoelectric device 11 is provided on the side of the tooling bracket 1, a rotating shaft 12 is rotatably connected to the left end of the tooling bracket 1, and a rotating platform 13 is installed on the right end of the tooling bracket 1, wherein the axis of the rotating shaft 12 and the axis of the rotating platform 13 are in the same straight line.

[0031] like Figure 1 , Figure 2 and Figure 3 As shown, the flip assembly 2 includes a drive motor 21 and a base plate 22. The left side of the base plate 22 is rotatably connected to the tooling bracket 1 through the rotating shaft 12, and the right side of the base plate 22 is connected to the output end of the rotating platform 13. The drive motor 21 is arranged on the tooling bracket 1. The drive motor 21 is a servo motor. The output end of the drive motor 21 is connected to the input end of the rotating platform 13. A sensor sheet 22a corresponding to the slot-type photoelectric 11 is provided on the side of the base plate 22. The servo motor accurately controls the flipping angle of the flip assembly 2 according to the signal feedback of the slot-type photoelectric 11, so as to ensure the flipping speed and motion trajectory stability of the flip assembly 2.

[0032] like Figure 1 , Figure 2 and Figure 3 As shown, vertical side panels 22b are provided at both ends of the bottom plate 22, and the bottom plate 22 is respectively connected to the rotating shaft 12 and the rotating platform 13 through the side panels 22b at both ends. A rib plate 22c is provided on the inner side of the side panel 22b, and the bottom of the rib plate 22c is fixedly connected to the bottom plate 22, thereby reducing the space occupied by the flip assembly 2 during the flipping process and improving the stability of the flip assembly 2.

[0033] like Figure 1 , Figure 2 and Figure 3As shown, the transposition assembly 3 is composed of a left transposition drive 31 and a right transposition drive 32 which are relatively arranged on the bottom plate 22, wherein the left transposition drive 31 and the right transposition drive 32 are both cylinders, a left push plate 31a is provided at the output end of the left transposition drive 31, and a right push plate 32a is provided at the output end of the right transposition drive 32, a limit strip 33 is provided behind the right push plate 32a, the left push plate 31a and the right push plate 32a are relatively arranged, and the battery cell 5 is pushed to move left and right for transposition by the left push plate 31a and the right push plate 32a.

[0034] like Figure 1 , Figure 2 and Figure 3 As shown, the clamping assembly 4 includes a support plate 41 fixed on the bottom plate 22, a positioning plate 42, a top positioning drive 43 and a front positioning drive 44, wherein the output end of the top positioning drive 43 is rotatably connected to the top positioning pressure strip 43a, and the output end of the front positioning drive 44 is connected to the front pressure plate 44a, the support plate 41 and the top positioning pressure strip 43a are arranged oppositely in the vertical direction to limit the up and down movement of the battery cell 5, and the positioning plate 42 and the front pressure plate 44a are arranged oppositely in the horizontal direction to limit the forward and backward movement of the battery cell 5. It should be noted that the above structure is only exemplary and not restrictive. In this embodiment, the support plate 41, the positioning plate 42, the top positioning pressure strip 43a and the front pressure plate 44a are a combination, but in other embodiments, the support plate 41, the positioning plate 42, the top positioning pressure strip 43a and the front pressure plate 44a can also be independent mechanisms.

[0035] like Figure 1 , Figure 2 and Figure 3 As shown, the top positioning drive 43 and the front side positioning drive 44 are both cylinders, and there are two groups of the top positioning drive 43 and the front side positioning drive 44. In this embodiment, the top positioning drive 43 and the front side positioning drive 44 are both cylinders, but in other embodiments, the top positioning drive 43 and the front side positioning drive 44 can be electric cylinders; in other embodiments, the top positioning drive 43 and the front side positioning drive 44 can also be oil cylinders.

[0036] refer to Figure 1 , Figure 2 and Figure 3As shown, when in use, the battery cell 5 is placed in the tooling, the battery cell 5 is positioned on the left side of the tooling by the transposition component 3, and is clamped and fixed by the clamping component 4, and then the driving motor 21 drives the flip component 2 to drive the battery cell 5 to rotate, and the left side of the battery cell 5 is welded in conjunction with the laser welding device until the top cover of one end of the battery cell 5 is welded for one circle. After one end is welded, the top positioning strip 43a and the front pressure plate 44a are opened, the left transposition drive 31 controls the left push plate 31a to move to the right, and the right transposition drive 32 controls the right push plate 32a to move to the left, pressing the battery cell 5 to the right side of the tooling. After the battery cell 5 moves to the right side of the tooling, the right side of the battery cell 5 is welded with the right side of the tooling as a reference.

[0037] To sum up, the blade battery top cover welding tool disclosed by the utility model can complete the continuous welding of the top covers at both ends of the battery cell only by loading the battery cell once, thereby reducing the manual operation steps and improving the processing efficiency of the battery cell. At the same time, the processing process is automatically calibrated through the photoelectric system to ensure the consistency of the processing accuracy.

[0038] The above embodiment provided by the utility model is only an example of the principle and effect of the utility model, and is not used to limit the utility model. Anyone familiar with this technology can modify or change the above embodiment without violating the spirit and scope of the utility model. Therefore, all equivalent modifications or changes made by those with ordinary knowledge in the relevant technical field without departing from the spirit and technical ideas disclosed by the utility model should still be covered by the claims of the utility model.

Claims

1. A blade battery top cover welding tool, characterized in that: It comprises a tooling support (1), a flip assembly (2), a transposition assembly (3) and a clamping assembly (4), wherein: The flip assembly (2) comprises a drive motor (21) and a bottom plate (22), the left and right sides of the bottom plate (22) are rotationally connected to the tooling bracket (1), the drive motor (21) is arranged on the tooling bracket (1), and the output end of the drive motor (21) is transmission-connected to the right side of the bottom plate (22); The transposition assembly (3) comprises a left transposition drive (31) and a right transposition drive (32) arranged on the bottom plate (22); the output end of the left transposition drive (31) is provided with a left push plate (31a), and the output end of the right transposition drive (32) is provided with a right push plate (32a); the left push plate (31a) and the right push plate (32a) are arranged opposite to each other and are used to push the battery cell (5) to move left and right for transposition; The clamping assembly (4) comprises a support plate (41), a positioning plate (42), a top positioning drive (43) and a front positioning drive (44) fixed on the bottom plate (22); the top positioning drive (43) is provided with a top positioning pressure strip (43a) at its output end, and the front positioning drive (44) is provided with a front pressure plate (44a) at its output end; the support plate (41) and the top positioning pressure strip (43a) are arranged relative to each other in the vertical direction to limit the up and down movement of the battery cell (5); the positioning plate (42) and the front pressure plate (44a) are arranged relative to each other in the horizontal direction to limit the forward and backward movement of the battery cell (5).

2. The blade battery top cover welding tool according to claim 1, characterized in that: The top positioning pressure strip (43a) is rotationally connected to the output end of the top positioning drive (43).

3. The blade battery top cover welding tool according to claim 1, characterized in that: The tooling support (1) is provided with a slot-shaped photoelectric device (11), and the bottom plate (22) is provided with a sensor sheet (22a) corresponding to the slot-shaped photoelectric device (11) for controlling the flip angle of the flip assembly (2).

4. The blade battery top cover welding tool according to claim 1, characterized in that: A rotating shaft (12) is provided on the left side of the tooling bracket (1), and the rotating shaft (12) is rotatably connected to the left side of the base plate (22). A rotating platform (13) is provided on the right side of the tooling bracket (1), and the output end of the rotating platform (13) is connected to the right side of the base plate (22), and the input end of the rotating platform (13) is connected to the output end of the drive motor (21).

5. The blade battery top cover welding tool according to claim 1, characterized in that: The top positioning drive (43) and the front side positioning drive (44) each have two groups.

6. The blade battery top cover welding tool according to claim 1, characterized in that: The left transposition drive (31), the right transposition drive (32), the top positioning drive (43) and the front positioning drive (44) are all cylinders.

7. The blade battery top cover welding tool according to claim 1, characterized in that: The driving motor (21) is a servo motor.

8. The blade battery top cover welding tool according to claim 4, characterized in that: Side plates (22b) are provided at both ends of the bottom plate (22), and the side plates (22b) at both ends are respectively connected to the rotating shaft (12) and the rotating platform (13).

9. The blade battery top cover welding tool according to claim 8, characterized in that: A rib plate (22c) is provided on the inner side of the side plate (22b), and the bottom of the rib plate (22c) is fixedly connected to the bottom plate (22).

10. The blade battery top cover welding tool according to claim 1, characterized in that: A limit strip (33) is provided behind the right push plate (32a) for limiting the left and right movement of the battery cell (5).

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