Lithium battery shell bending device

Abstract

The utility model provides a lithium battery shell bending device which comprises a bending box, a fixed die is arranged on the front side of the bottom wall of the bending box, a movable die is arranged in the bending box in a sliding mode, the movable die corresponds to the fixed die in the vertical direction, a movable positioning plate is arranged in the bending box in a sliding mode, and a driving mechanism is arranged in the bending box. The driving mechanism can drive the movable positioning plate to move front and back. According to the lithium battery shell bending device, the distance between the positioning plates can be automatically adjusted back and forth according to the bending requirements of different lithium battery shell positions, the lithium battery shell bending device can rapidly adapt to lithium battery shells of different sizes and shapes, the shutdown time is shortened through automatic adjustment, and the overall production efficiency of lithium battery shell bending is improved.

Description

Technical Field

[0001] This utility model belongs to the field of lithium battery casing production technology, and specifically relates to a lithium battery casing bending device. Background Technology

[0002] A lithium battery casing bending device is a mechanical device specifically designed to perform precise bending operations on the metal or polymer casings of lithium batteries. This device can automatically adjust according to preset parameters to achieve effective bending and shaping of the casing material, improving production accuracy and efficiency while ensuring product consistency and reliability. It is an indispensable part of the lithium battery production line, mainly used to meet the design requirements of lithium batteries in different application scenarios. Typically, the device consists of two parts: a moving mold and a fixed mold. The bending of the lithium battery casing is achieved by driving the moving mold downwards to cooperate with the fixed mold.

[0003] Existing lithium battery casing bending devices achieve bending of the lithium battery casing on the fixed mold by driving the moving mold downward to cooperate with the fixed mold. In order to facilitate personnel to accurately bend the lithium battery casing at the appropriate position, a positioning plate at an appropriate distance is usually set on the rear side, so that the rear side of the lithium battery casing abuts against the positioning plate during bending, thereby determining the bending position of the lithium battery casing. However, the positioning plate is fixed by bolts. Every time a different specification or type of lithium battery casing is changed, the bolts need to be loosened manually and the position of the positioning plate needs to be readjusted. This is not only time-consuming, but also increases the workload. Utility Model Content

[0004] In view of this, this utility model addresses the shortcomings of the prior art by providing a lithium battery casing bending device. The distance of the positioning plate can be automatically adjusted back and forth according to the bending requirements of different lithium battery casing positions, which can quickly adapt to lithium battery casings of different sizes and shapes. Moreover, the automatic adjustment reduces downtime and improves the overall production efficiency of lithium battery casing bending.

[0005] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is as follows: a lithium battery shell bending device, including a bending box, a fixed mold is provided on the front side of the bottom wall of the bending box, a moving mold is slidably provided inside the bending box, the moving mold and the fixed mold are vertically corresponding, a movable positioning plate is slidably provided inside the bending box, a driving mechanism is provided inside the bending box, the driving mechanism can drive the movable positioning plate to move back and forth, the driving mechanism includes a slide frame provided on the rear side of the bending box, two rotating frames are slidably provided inside the slide frame, the two rotating frames are horizontally corresponding, a rotating rod is hinged and rotated inside each of the two rotating frames, two rotating seats are provided on the rear side of the movable positioning plate, the front sides of the two rotating rods are rotatably connected to the interior of the adjacent rotating seats respectively, a bidirectional lead screw is rotatably provided inside the slide frame, the two rotating frames are threadedly connected to the left and right corresponding ends of the bidirectional lead screw respectively, a driving unit for driving the bidirectional lead screw to rotate is provided on the left side of the bending box, the driving unit includes a motor provided on the left side of the bending box, the output shaft of the motor is connected to the left side of the bidirectional lead screw through a coupling.

[0006] As a further improvement of this utility model, an electric push rod is provided at the upper end of the bending box, and the telescopic end of the electric push rod is connected to the upper end of the moving mold.

[0007] As a further improvement of this utility model, a controller is provided on the front side of the bending box, and the electric push rod and the motor are electrically connected to the controller.

[0008] As a further improvement of this utility model, a support assembly is provided at the lower end of the bending box. The support assembly includes a support frame disposed at the lower end of the bending box. The bending box and the support frame are fixed together by welding. Multiple support feet are provided at the lower end of the support frame.

[0009] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0010] Firstly, by placing the lithium battery casing that needs to be bent on the upper part of the fixed mold and making its rear end contact the moving positioning plate, the electric push rod is then opened by the controller. The telescopic end drives the moving mold to move downward to cooperate with the fixed mold, thereby quickly realizing the bending operation of the lithium battery casing at the appropriate position.

[0011] Secondly, the controller starts the motor, and the output shaft drives the bidirectional lead screw to rotate. This causes the rotating frames on both sides to move closer or further apart under the constraint of the slide frame. This, in turn, causes the rotating rods inside to rotate and converge or expand, so that the moving positioning plates on both rotating seats move back and forth to the appropriate bending position of the lithium battery casing for subsequent positioning and bending operations. The distance between the positioning plates can be automatically adjusted back and forth according to the bending requirements of different lithium battery casing positions. It can quickly adapt to lithium battery casings of different sizes and shapes. Moreover, the automated adjustment reduces downtime and improves the overall production efficiency of lithium battery casing bending.

[0012] Thirdly, the support feet and support frame can provide stable support for the lithium battery casing bending device, further increasing the bending quality of the lithium battery casing. Attached Figure Description

[0013] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0014] Figure 1 This is a schematic diagram of the structure of this utility model;

[0015] Figure 2 This is a front sectional view of the present invention.

[0016] Figure 3 This is a schematic diagram of the right-side cross-sectional structure of the present invention;

[0017] Figure 4 This is a top sectional view of the present invention.

[0018] In the diagram: 101, bending box; 102, fixed mold; 103, moving mold; 104, electric push rod; 105, support frame; 201, moving positioning plate; 202, motor; 203, double-acting lead screw; 204, slide rail frame; 205, rotating frame; 206, rotating rod; 207, rotating seat; 301, controller. Detailed Implementation

[0019] To better understand this utility model, the following embodiments further illustrate its content, but the scope of protection of this utility model is not limited to the embodiments described below. Numerous specific details are set forth in the following description to provide a more thorough understanding of this utility model. However, it will be apparent to those skilled in the art that this utility model can be practiced without one or more of these details.

[0020] like Figure 1 , 2 As shown, a lithium battery casing bending device includes a bending box 101. A fixed mold 102 is provided on the front side of the bottom wall of the bending box 101. A moving mold 103 is slidably provided inside the bending box 101. The moving mold 103 corresponds vertically to the fixed mold 102. A movable positioning plate 201 is slidably provided inside the bending box 101. A driving mechanism is provided inside the bending box 101. The driving mechanism can drive the movable positioning plate 201 to move back and forth. An electric push rod 104 is provided at the upper end of the bending box. The telescopic end of the electric push rod 104 is connected to the upper end of the moving mold 103.

[0021] like Figure 3 , 4As shown, the driving mechanism includes a slide frame 204 located on the rear side of the bending box 101. Two rotating frames 205 are slidably arranged inside the slide frame 204. A rotating rod 206 is hinged and rotatably connected inside each of the two rotating frames 205. Two rotating seats 207 are located on the rear side of the movable positioning plate 201, with their left and right positions corresponding. The front sides of the two rotating rods 206 are rotatably connected to the interior of the adjacent rotating seats 207. A bidirectional lead screw 203 is rotatably arranged inside the slide frame 204. The two rotating frames 205 are threadedly connected to the corresponding left and right ends of the bidirectional lead screw 203. A driving unit for driving the bidirectional lead screw 203 is located on the left side of the bending box 101. The driving unit includes a motor 202 located on the left side of the bending box 101. The output shaft of the motor 202 is connected to the left side of the bidirectional lead screw 203 via a coupling.

[0022] like Figure 1 As shown, a controller 301 is provided on the front side of the bending box 101, and the electric push rod 104 and the motor 202 are both electrically connected to the controller 301.

[0023] By placing the lithium battery casing that needs to be bent on the upper end of the fixed mold 102 and making its rear end contact with the moving positioning plate 201, the controller 301 controls the opening of the electric push rod 104 to run. The telescopic end drives the moving mold 103 to move downward to cooperate with the fixed mold 102 to achieve bending of the lithium battery casing at the appropriate position.

[0024] When it is necessary to change the positioning and bending position of the lithium battery casing, the controller 301 controls the motor 202 to run. The output shaft drives the bidirectional lead screw 203 to rotate, which in turn drives the rotating frames 205 on both sides to move closer or further apart under the restriction of the slide frame 204. This causes the rotating rod 206 inside to rotate and converge or expand, so that the moving positioning plate 201 on the rotating seats 207 on both sides moves back and forth to the appropriate bending position of the lithium battery casing for subsequent positioning and bending operations.

[0025] According to another embodiment of the present invention, such as Figure 1 As shown, a support assembly is provided at the lower end of the bending box 101. The support assembly includes a support frame 105 located at the lower end of the bending box 101. Multiple support feet are provided at the lower end of the support frame 105. The multiple support feet are located at the four corners of the support feet. The support feet and the support frame 105 can provide stable support for the lithium battery casing bending device, ensuring that the bending quality of the lithium battery casing is more stable.

[0026] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of this utility model and are not intended to limit it. Any other modifications or equivalent substitutions made by those skilled in the art to the technical solution of this utility model, as long as they do not depart from the spirit and scope of the technical solution of this utility model, should be covered within the scope of the claims of this utility model.

Claims

1. A lithium battery casing bending device, comprising a bending box (101), characterized in that: A fixed mold (102) is provided on the front side of the bottom wall of the bending box (101), and a moving mold (103) is slidably provided inside the bending box (101). The moving mold (103) corresponds vertically to the fixed mold (102). A movable positioning plate (201) is slidably provided inside the bending box (101). A driving mechanism is provided inside the bending box (101), which can drive the movable positioning plate (201) to move back and forth.

2. The lithium battery casing bending device as described in claim 1, characterized in that: The driving mechanism includes a slide frame (204) located on the rear side of the bending box (101). Two rotating frames (205) are slidably arranged inside the slide frame (204). A rotating rod (206) is hinged and rotated inside each of the two rotating frames (205). Two rotating seats (207) are located on the rear side of the movable positioning plate (201). The front sides of the two rotating rods (206) are rotatably connected to the interior of the adjacent rotating seats (207). A bidirectional lead screw (203) is rotatably arranged inside the slide frame (204). The two rotating frames (205) are threadedly connected to the left and right corresponding ends of the bidirectional lead screw (203). A driving unit for driving the bidirectional lead screw (203) to rotate is located on the left side of the bending box (101).

3. The lithium battery casing bending device as described in claim 2, characterized in that: The drive unit includes a motor (202) located on the left side of the bending box (101), and the output shaft of the motor (202) is connected to the left side of the bidirectional lead screw (203) via a coupling.

4. The lithium battery casing bending device as described in claim 3, characterized in that: An electric push rod (104) is provided at the upper end of the bending box (101), and the telescopic end of the electric push rod (104) is connected to the upper end of the moving mold (103).

5. A lithium battery casing bending device as described in claim 1, characterized in that: The lower end of the bending box (101) is provided with a support component, which can stably support the bending box (101).

6. The lithium battery casing bending device as described in claim 5, characterized in that: The support assembly includes a support frame (105) disposed at the lower end of the bending box (101), and the lower end of the support frame (105) is provided with multiple support feet.

7. A lithium battery casing bending device as described in claim 4, characterized in that: The front side of the bending box (101) is equipped with a controller (301), and the electric push rod (104) and the motor (202) are both electrically connected to the controller (301).

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