Lithium battery shell bending device

Abstract

The utility model discloses a lithium battery shell bending device which comprises a bending machine body and further comprises a bending assembly, the bending assembly comprises a stamping plate arranged at the front end of the bending machine body, an upper connecting block is arranged at the bottom end of the stamping plate, and a stamping table is arranged at the front end of the bending machine body and located at the end close to the stamping plate. A lower connecting block is arranged at the top end of the stamping table, a lower die is arranged at the top end of the lower connecting block, a plurality of threaded connecting rods are arranged among the calibration sliding blocks, and one end of each threaded connecting rod is in threaded connection with a fixing nut. The calibration assembly is arranged on the outer wall of the lower die, a plurality of calibration sliding blocks slide to the two sides of a lithium battery shell plate, so that the shell plate can be accurately bent under positioning of a calibration baffle, a plurality of fixing nuts are in threaded connection to one side of a threaded connection rod, and therefore the lithium battery shell plate can be accurately bent. And the calibration slide block can be fixed on the outer wall of the lower die under the threaded connection of the fixing nut.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of bending machine design, in particular to a lithium battery shell bending device. BACKGROUND

[0002] The bending of lithium battery shells is a crucial step in the manufacturing process of lithium batteries, especially when producing batteries with metal shells. This process typically involves precise mechanical processing to ensure that the dimensions and shape of the shell meet strict standards.

[0003] Currently, a bending machine is commonly used for the bending work of the shell plate. The front end of the bending machine is provided with a punching plate and a punching table. The bottom end of the punching plate is provided with an upper die for punching and bending. The top end of the punching table is provided with a lower die for placing the shell plate to achieve bending. The operator needs to place the shell plate on the top end of the lower die. The upper die is driven downward by the punching plate by starting the bending machine. The upper die punches and folds the shell plate with the lower die. After multiple punching and folding, the final lithium battery shell is formed. Since the operator needs to manually adjust the position of the shell plate during the bending process to ensure that the finally bent lithium battery shell can be completely closed, if the operator does not connect stably during this process, the shell plate may be bent out of tolerance, and the finally formed shell may not be used normally. Therefore, a lithium battery shell bending device is designed. SUMMARY

[0004] The purpose of the utility model is to provide a lithium battery shell bending device to solve the problems raised in the background art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a lithium battery shell bending device, comprising a bending machine main body, further comprising:

[0006] A bending assembly is provided at the front end of the bending machine main body. The bottom end of the punching plate is provided with an upper connecting block. The front end of the bending machine main body is provided with a punching table near the punching plate. The top end of the punching table is provided with a lower connecting block. The top end of the lower connecting block is provided with a lower die.

[0007] A calibration assembly is provided on the outer wall of the lower die. The outer wall of the plurality of calibration sliding blocks is provided with a plurality of calibration baffles. A plurality of threaded connecting rods are provided between the plurality of calibration sliding blocks. One end of the threaded connecting rod is threadedly connected with a fixed nut.

[0008] Preferably, the end of the bending machine main body near the upper connecting block is provided with a guide rail plate. The front end of the guide rail plate is slidably connected to the end of the punching plate near the bending machine main body. The bottom end of the upper connecting block is provided with an upper clamp.

[0009] Preferably, the bottom end of the upper clamp is provided with an upper die, the top end of the bending machine body is provided with a punch press, and the output end of the punch press is fixedly connected with the inner wall of the punch plate.

[0010] Preferably, the end of the bending machine body away from the punch plate is provided with a plurality of adjusting plates, and the inner wall of the plurality of adjusting plates is provided with a plurality of adjusting blocks.

[0011] Preferably, the top end of the plurality of adjusting blocks is provided with a sliding plate, and the top end of the sliding plate is slidably connected with a plurality of material resisting plates.

[0012] Preferably, the bottom end of the plurality of calibration sliding blocks is provided with a plurality of sliding blocks, and the outer wall of the plurality of sliding blocks is slidably connected with the inner wall of the lower connecting block.

[0013] Preferably, the outer wall of the lower die is provided with a connecting groove, and the inner wall of the connecting groove is slidably connected with the outer wall of the plurality of threaded connecting rods.

[0014] The technical effects and advantages of the present application are as follows:

[0015] The present application utilizes the calibration assembly provided on the outer wall of the lower die. When the lithium battery shell is bent, the operator can slide the calibration sliding block on the outer wall of the lower die through the threaded connecting rod. By sliding the plurality of calibration sliding blocks to the two sides of the lithium battery shell plate, the two sides of the shell plate are calibrated and positioned by the plurality of calibration baffle plates, so that the shell plate can be accurately bent under the positioning of the calibration baffle plate. By threadedly connecting the plurality of fixed nuts to one side of the threaded connecting rod, the calibration sliding block can be fixed to the outer wall of the lower die under the threaded connection of the fixed nut, so that the calibration sliding block can support the positioning work of the plurality of shell plates. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a schematic view of the main structure of the present application.

[0017] Figure 2 It is a partial view of the connecting structure of the lower connecting block and the lower die of the present application.

[0018] Figure 3 It is a front view of the main structure of the present application.

[0019] Figure 4 It is a side view of the main structure of the present application.

[0020] Figure 5 It is a side view of the main structure of the present application.

[0021] Figure 6 It is a side view of the connecting structure of the lower connecting block and the lower die of the present application.

[0022] Figure 7 It is a front sectional view of the main body structure of the utility model.

[0023] In the figure: 1, bending machine main body; 101, punch press; 2, stamping plate; 201, guide rail plate; 202, upper connecting block; 203, upper clamp; 204, upper die; 3, adjusting plate; 301, adjusting block; 302, sliding plate; 303, material resisting plate; 4, stamping table; 401, lower connecting block; 402, lower die; 5, connecting groove; 501, calibration sliding block; 502, sliding block; 503, calibration baffle; 504, threaded connecting rod; 505, fixed nut. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0025] The utility model provides a kind of lithium battery shell bending device as Figures 1-7 As shown in the figure, including bending machine main body 1, still include:

[0026] Bending assembly, bending assembly includes the stamping plate 2 being set in the front end of bending machine main body 1, the bottom end of stamping plate 2 is provided with upper connecting block 202, the front end of bending machine main body 1 and the one end close to stamping plate 2 are provided with stamping table 4, the top end of stamping table 4 is provided with lower connecting block 401, and the top end of lower connecting block 401 is provided with lower die 402;

[0027] Calibration assembly, calibration assembly includes a plurality of calibration sliding blocks 501 being set in the outer wall of lower die 402, the outer wall of a plurality of calibration sliding blocks 501 is provided with a plurality of calibration baffles 503, a plurality of threaded connecting rods 504 are arranged between a plurality of calibration sliding blocks 501, and one end of threaded connecting rod 504 is threadedly connected with fixed nut 505;

[0028] It should be noted that the bending machine body 1 refers to the shell part of the model WC67K-30T / 1600 bending machine, the front end recessed position of the bending machine body 1 is the working part for bending the shell, the punching table 4 is a recessed horizontal part, when processing the shell, the operator needs to place the shell plate on the top end of the lower die 402 of the punching table 4, and slide the calibration slide block 501 in the connecting groove 5 by using the threaded connecting rod 504, slide a plurality of calibration slide blocks 501 to the both sides of the shell plate, the shell plate can be calibrated under the butt joint of the plurality of calibration slide blocks 501, the punching table 4 drives the upper die 204 to press down, the top end of the lower die 402 is provided with a right angle groove, the shell plate is bent under the extrusion of the upper die 204 and the lower die 402, and the shell plate is bent for multiple times to form the lithium battery shell.

[0029] Specifically, the end of the bending machine body 1 close to the upper connecting block 202 is provided with a guide rail plate 201, the front end of the guide rail plate 201 is slidably connected with the end of the punching plate 2 close to the bending machine body 1, the bottom end of the upper connecting block 202 is provided with an upper clamp 203, the bottom end of the upper clamp 203 is provided with an upper die 204, the top end of the bending machine body 1 is provided with a punching machine 101, and the output end of the punching machine 101 is fixedly connected with the inner wall of the punching plate 2.

[0030] It should be noted that the working principle of the punching machine 101 and the punching plate 2 refers to the punching part of the model WC67K-30T / 1600 bending machine, the punching machine 101 is fixed at the top end of the bending machine body 1, when the punching machine 101 is started, the output end of the punching machine 101 pushes the punching plate 2, the punching plate 2 moves downward under the thrust, the punching plate 2 drives the upper connecting block 202 and the upper clamp 203 to move, and the top end of the upper die 204 is fixed at the bottom end of the punching plate 2 under the clamping of the upper connecting block 202 and the upper clamp 203.

[0031] Specifically, the end of the bending machine body 1 away from the punching plate 2 is provided with a plurality of adjusting plates 3, the inner wall of the plurality of adjusting plates 3 is provided with a plurality of adjusting blocks 301, the top end of the plurality of adjusting blocks 301 is provided with a sliding plate 302, and the top end of the sliding plate 302 is slidably connected with a plurality of material resisting plates 303.

[0032] It should be noted that the working principle of the adjusting plate 3 and the adjusting block 301 refers to the adjusting part of the model WC67K-30T / 1600 bending machine, the adjusting plate 3 is fixed at the back of the bending machine body 1, the sliding plate 302 can continue to slide horizontally at the top end of the adjusting block 301, the connection between the adjusting block 301 and the sliding plate 302 is provided with a threaded lifting rod for vertically adjusting the height, the working principle of the threaded lifting rod refers to the lifting adjusting part of the model WC67K-30T / 1600 bending machine, the top end of the sliding plate 302 is provided with a guide rail, and the material resisting plate 303 can slide horizontally through the guide rail.

[0033] Specifically, the bottom end of the plurality of calibration sliders 501 is provided with a plurality of sliding blocks 502, the outer wall of the plurality of sliding blocks 502 is slidably connected with the inner wall of the lower connecting block 401, the outer wall of the lower mold 402 is provided with a connecting groove 5, and the inner wall of the connecting groove 5 is slidably connected with the outer wall of the plurality of threaded connecting rods 504.

[0034] It should be noted that the outer wall of the lower connecting block 401 is provided with a groove, the sliding block 502 is slidably connected with the inner wall of the groove, one end of the threaded connecting rod 504 is fixedly connected with one of the calibration sliders 501, and the threaded connecting rod 504 is threaded through the connecting groove 5 and connected with the calibration slider 501. After the operator adjusts the calibration slider 501 to the correct position, the operator can fix the plurality of calibration sliders 501 on the outer wall of the lower mold 402 by screwing the fixing nut 505 on one end of the threaded connecting rod 504. The operator can accurately bend the raw material plate by clamping the outer wall of the raw material plate on the inner side of the plurality of calibration sliders 501 and clamping the other end on the material plate 303.

[0035] The working principle of the utility model is as follows:

[0036] Specific operation is that the operator needs to slide the sliding plate 302 on the top end of the adjusting block 301 to adjust the position, and then the operator needs to slide the material plate 303 along the top end of the sliding plate 302 to adjust the position. Finally, the operator needs to place the shell plate on the top end of the lower mold 402, clamp one end of the shell plate on the plurality of material plates 303, and then slide the plurality of calibration sliders 501 by using the threaded connecting rod 504. The threaded connecting rod 504 is slidably connected in the connecting groove 5, and the plurality of calibration sliders 501 are slid to the two ends of the shell plate. The two ends of the shell plate are clamped and positioned by the calibration baffle 503. Finally, the operator can connect the fixing nut 505 on one end of the threaded connecting rod 504 to realize the fixation between the calibration slider 501 and the lower mold 402. Start the punch 101, and the output end of the punch 101 will push the punch plate 2 to move downward. The punch plate 2 will slide downward at the front end of the bending machine body 1 by using the guide rail plate 201. The punch plate 2 drives the upper clamp 203 and the upper mold 204 to move to the top end of the shell plate. The shell plate can be bent under the clamping of the upper mold 204 and the lower mold 402. The shell plate is adjusted and bent for multiple times, and finally a complete lithium battery shell is formed.

[0037] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for the skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.

Claims

1. A bending device for lithium battery shell, comprising a bending machine body (1), characterized in that, Also include: The bending assembly includes a punch plate (2) arranged at the front end of the bending machine body (1), the bottom end of the punch plate (2) is provided with an upper connecting block (202), the front end of the bending machine body (1) and the end close to the punch plate (2) is provided with a punch table (4), the top end of the punch table (4) is provided with a lower connecting block (401), the top end of the lower connecting block (401) is provided with a lower die (402); The calibration assembly includes a plurality of calibration slides (501) arranged on the outer wall of the lower die (402), a plurality of calibration baffle plates (503) are arranged on the outer wall of the plurality of calibration slides (501), a plurality of threaded connecting rods (504) are arranged between the plurality of calibration slides (501), and one end of the threaded connecting rod (504) is threadedly connected with a fixed nut (505).

2. The lithium battery shell bending device according to claim 1, characterized in that, The end of the bending machine body (1) close to the upper connecting block (202) is provided with a guide rail plate (201), the front end of the guide rail plate (201) is slidably connected with the end of the punch plate (2) close to the bending machine body (1), and the bottom end of the upper connecting block (202) is provided with an upper clamp (203).

3. The apparatus according to claim 2, wherein the bending device is a bending device for a lithium battery case, characterized by The bottom end of the upper clamp (203) is provided with an upper die (204), the top end of the bending machine body (1) is provided with a punch machine (101), and the output end of the punch machine (101) is fixedly connected with the inner wall of the punch plate (2).

4. The lithium battery shell bending device according to claim 1, wherein, The end of the bending machine body (1) away from the punch plate (2) is provided with a plurality of adjusting plates (3), and the inner wall of the plurality of adjusting plates (3) is provided with a plurality of adjusting blocks (301).

5. The apparatus according to claim 4, wherein the bending device is a bending device for a lithium battery case, characterized by The top end of the plurality of adjusting blocks (301) is provided with a sliding plate (302), and the top end of the sliding plate (302) is slidably connected with a plurality of material resisting plates (303).

6. The apparatus according to claim 1, wherein The bottom end of the plurality of calibration slides (501) is provided with a plurality of sliding blocks (502), and the outer wall of the plurality of sliding blocks (502) is slidably connected with the inner wall of the lower connecting block (401).

7. The apparatus according to claim 1, wherein The outer wall of the lower die (402) is provided with a connecting groove (5), and the inner wall of the connecting groove (5) is slidably connected with the outer wall of the plurality of threaded connecting rods (504).

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