Punching equipment for polymer lithium battery cell module

Abstract

The utility model provides punching equipment for a polymer lithium battery cell module, which relates to the field of lithium battery cell modules and comprises a mould base bottom plate, mould base side plates are arranged at the top of the mould base bottom plate, a tool changing assembly is arranged between the mould base side plates on two sides, a sensing assembly is arranged on one side of the tool changing assembly, and the sensing assembly is arranged on the other side of the mould base bottom plate. A tool changing assembly is arranged at the bottom of the die frame side plate, a bottom supporting assembly is arranged at the bottom of the tool changing assembly, a collecting assembly is arranged at the bottom of the bottom supporting assembly, a driving assembly is arranged between the die frame side plates on the two sides, and a conveying assembly is arranged on one side of each die frame side plate. Along with the up-down movement of the cut-off knife placement plate, in the downward punching process, the cutting die guide frame at the bottom can limit a cutter above to a certain extent, the cutter is prevented from shifting in the punching process, and different machining modes can be achieved by replacing different cutters.

Description

Technical Field

[0001] The utility model relates to the field of lithium battery core modules, and in particular to a punching device for polymer lithium battery core modules. Background Art

[0002] In the processing of polymer lithium battery cell modules, the importance of punching equipment is self-evident. It is directly related to the quality of the battery cell module, production efficiency and the performance of the final product. The punching equipment requires high-precision operation to ensure that the size, shape and position of the pole ear or pole piece are accurate. This accuracy is crucial to the internal connection, energy transfer and overall stability of the battery cell module.

[0003] After searching, in the prior art, the Chinese patent with patent announcement number CN212517282U discloses "a soft-pack battery cell tab punching device for AGV lithium battery module and system, which has a simple structure and low production cost, can quickly process the workpiece, and greatly improves the processing efficiency", but still has the following defects:

[0004] (1) During use, the battery module is positioned and fixed only by the left and right positioning frames, but there is no replacement of the tool during the punching process, resulting in a relatively simple processing method;

[0005] (2) There is a lack of limit sensing for the battery module during the processing, and the battery module is prone to offset during the processing, resulting in large processing errors.

[0006] Therefore, we have made improvements to this and proposed a punching device for polymer lithium battery modules. Utility Model Content

[0007] The purpose of the utility model is to address the current problem of positioning and fixing the battery module only by left and right positioning frames, lacking the replacement of the tool during the punching process, resulting in a relatively simple processing method, lacking limit sensing of the battery module, and easily causing the battery module to shift during the processing of the battery module.

[0008] In order to achieve the above-mentioned utility model purpose, the utility model provides the following technical solutions:

[0009] Punching equipment for polymer lithium battery modules is used to improve the above problems.

[0010] The utility model is specifically as follows:

[0011] It includes a mold frame bottom plate, a mold frame side plate is arranged on the top of the mold frame bottom plate, a tool changing assembly is arranged between the mold frame side plates on both sides, a sensing assembly is arranged on one side of the tool changing assembly, a bottom supporting assembly is arranged at the bottom of the tool changing assembly, a collecting assembly is arranged at the bottom of the bottom supporting assembly, and a driving assembly is arranged between the mold frame side plates on both sides;

[0012] The tool changing assembly includes an upper template, a knife die guide frame, a guide bolt, a mold spring, a cutting knife placement plate and a tool slot. The upper template is arranged between the mold frame side plates on both sides, the knife die guide frame is arranged in the middle position of the upper template, the guide bolt is arranged inside the upper template, the mold spring is arranged on the guide bolt, the cutting knife placement plate is arranged at the top end of the guide bolt, and the tool slot is opened in the middle part of the cutting knife placement plate.

[0013] As a preferred technical solution of the utility model, the sensing component includes a fixed seat, a mounting plate, a proximity switch, a sensing top plate, a positioning top plate and a top block, the fixed seat is arranged on one side of the upper template, the mounting plate is fixedly arranged on one side of the fixed seat, the proximity switch is arranged on the outer side of the mounting plate, the sensing top plate is arranged between the fixed seat and the mounting plate, the positioning top plate is arranged on one side of the fixed seat, the top block is arranged at one end of the positioning top plate, and the top block extends under the upper template.

[0014] As a preferred technical solution of the utility model, the bottom support assembly includes a lower template, a guide template and a mold bottom plate. The lower template is arranged between the mold frame side plates on both sides, the guide template is fixedly arranged at one end of the lower template, and the mold bottom plate is fixedly arranged at the bottom of the lower template and fixedly arranged between the mold frame side plates on both sides.

[0015] As a preferred technical solution of the utility model, the collecting assembly includes a collecting trough and a shield. The collecting trough is opened in the middle part of the mold frame bottom plate and the mold bottom plate and corresponds to each other. The shield is fixedly arranged between the mold frame bottom plate and the mold bottom plate.

[0016] As a preferred technical solution of the utility model, the driving assembly includes a mold frame top plate, a driving cylinder, a driving shaft and a cylinder connecting head. The mold frame top plate is fixedly arranged between the mold frame side plates on both sides, the driving cylinder is fixedly arranged above the mold frame top plate, one end of the driving shaft is fixedly arranged at the output end of the driving cylinder, and the cylinder connecting head is fixedly arranged at the bottom end of the driving shaft.

[0017] As a preferred technical solution of the utility model, the conveying assembly includes a conveying motor, a conveying shaft and a conveying belt. The conveying motor is fixedly arranged at one end of the guide mold, one end of the conveying shaft is fixedly arranged at the output end of the conveying motor, and the conveying belt is arranged on two sets of conveying shafts.

[0018] As a preferred technical solution of the utility model, a handle fixing block is fixedly provided at one end of the mold frame top plate and the mold bottom plate, and a fixed handle is fixedly provided at one side of the handle fixing block.

[0019] Compared with the prior art, the utility model has the following beneficial effects:

[0020] In the solution of the utility model:

[0021] 1. Through the tool changing assembly, when in use, according to different punching conditions, select different tools to be installed in the tool slot. As the cutter placement plate moves up and down, it moves on the guide bolt, and is buffered by the die spring to prevent rigid impact. In the process of downward punching, the die guide frame at the bottom can limit the upper tool to a certain extent to prevent the tool from deviating during the punching process, and different tools can be replaced to achieve different processing methods;

[0022] 2. Through the set induction component, during the processing of the battery module, the top block at one end will first contact the incoming battery module, and then transmit the distance signal to the induction top plate on the rear side to prevent the battery module from extending too deep or too shallow during the entry process. The lower template and guide template at the bottom can provide support and moving direction for the incoming battery module. The collection trough and shield at the bottom provide collection conditions for the punching of the battery module. After the punching is completed, the battery module will be collected through the collection trough. The top drive component outputs power through the driving cylinder to drive the bottom drive shaft and cylinder connector to move downward, push the tool downward, complete the punching, and the conveying motor continuously conveys the battery module to the bottom of the upper template through the conveying shaft and conveyor belt. The fixed handle and handle fixing block on one side facilitate the replacement of the mold frame top plate and the mold bottom plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 A schematic diagram of the structure of a punching device for a polymer lithium battery module provided by the utility model;

[0024] Figure 2 This is a schematic diagram of the overall structure of the punching equipment for the polymer lithium battery module provided by the utility model;

[0025] Figure 3 A schematic diagram of the structure of the induction component of the punching equipment for the polymer lithium battery module provided by the utility model;

[0026] Figure 4 A schematic diagram of the structure of the collecting component and the conveying component of the punching and cutting equipment for the polymer lithium battery module provided by the utility model;

[0027] Figure 5This is a schematic diagram of the partial structure of the driving component of the punching equipment for the polymer lithium battery module provided by the utility model.

[0028] Indicated in the figure:

[0029] 1. Mould base plate; 2. Mould side plate; 3. Tool change assembly; 4. Induction assembly; 5. Bottom support assembly; 6. Collection assembly; 7. Drive assembly; 8. Conveying assembly; 301. Upper mould plate; 302. Cutting die guide frame; 303. Guide bolt; 304. Mould spring; 305. Cutting knife placement plate; 306. Tool slot; 401. Fixed seat; 402. Mounting plate; 403. Proximity switch; 404. Induction top plate; 405. Positioning top plate; 406. Top block; 501. Lower mould plate; 502. Guide mould; 503. Mould base plate; 601. Collection slot; 602. Shield; 701. Mould top plate; 702. Drive cylinder; 703. Drive shaft; 704. Cylinder connector; 801. Conveying motor; 802. Conveying shaft; 803. Conveying belt; 9. Handle fixing block; 10. Fixed handle. DETAILED DESCRIPTION

[0030] To make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be described clearly and completely in conjunction with the accompanying drawings. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments.

[0031] Therefore, the following detailed description of the embodiments of the present invention is not intended to limit the scope of the present invention to be protected, but merely represents some embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0032] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features and technical solutions in the embodiments may be combined with each other.

[0033] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0034] like Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5As shown, this embodiment proposes a punching device for a polymer lithium battery cell module, comprising a mold frame bottom plate 1, a mold frame side plate 2 is arranged on the top of the mold frame bottom plate 1, a tool changing assembly 3 is arranged between the mold frame side plates 2 on both sides, a sensing assembly 4 is arranged on one side of the tool changing assembly 3, a bottom supporting assembly 5 is arranged at the bottom of the tool changing assembly 3, a collecting assembly 6 is arranged at the bottom of the bottom supporting assembly 5, a driving assembly 7 is arranged between the mold frame side plates 2 on both sides, and a conveying assembly 8 is arranged on one side of the mold frame side plates 2;

[0035] The tool changing assembly 3 includes an upper template 301, a knife die guide frame 302, a guide bolt 303, a mold spring 304, a cutting knife placement plate 305 and a tool groove 306. The upper template 301 is arranged between the mold frame side plates 2 on both sides, the knife die guide frame 302 is arranged in the middle position of the upper template 301, the guide bolt 303 is arranged inside the upper template 301, the mold spring 304 is arranged on the guide bolt 303, the cutting knife placement plate 305 is arranged at the top end of the guide bolt 303, and the tool groove 306 is opened in the middle part of the cutting knife placement plate 305. According to different punching conditions, different tools are selected to be installed in the tool groove 306. In the process of downward punching, the knife die guide frame 302 at the bottom can impose certain restrictions on the upper tool to prevent the tool from offsetting during the punching process, and different tools can be replaced to achieve different processing methods.

[0036] like Figure 3 As shown, as a preferred embodiment, on the basis of the above method, further, the sensing component 4 includes a fixed seat 401, a mounting plate 402, a proximity switch 403, a sensing top plate 404, a positioning top plate 405 and a top block 406, the fixed seat 401 is arranged on one side of the upper template 301, the mounting plate 402 is fixedly arranged on one side of the fixed seat 401, the proximity switch 403 is arranged on the outer side of the mounting plate 402, the sensing top plate 404 is arranged between the fixed seat 401 and the mounting plate 402, the positioning top plate 405 is arranged on one side of the fixed seat 401, and the top block 406 is arranged at one end of the positioning top plate 405, and the top block 406 extends under the upper template 301, and the top block 406 at one end will first contact the entering battery module, and then transmit the distance signal to the sensing top plate 404 on the rear side to prevent the battery module from extending too deep or too shallow during the entry process.

[0037] like Figure 2As shown, as a preferred embodiment, on the basis of the above method, further, the bottom support assembly 5 includes a lower template 501, a guide template 502 and a mold bottom plate 503, the lower template 501 is arranged between the mold frame side plates 2 on both sides, the guide template 502 is fixedly arranged at one end of the lower template 501, the mold bottom plate 503 is fixedly arranged at the bottom of the lower template 501 and fixedly arranged between the mold frame side plates 2 on both sides, and the lower template 501 and the guide template 502 at the bottom can provide support and moving direction for the entering battery module.

[0038] like Figure 2 As shown, as a preferred embodiment, on the basis of the above method, further, the collecting component 6 includes a collecting groove 601 and a shield 602, the collecting groove 601 is opened in the middle part of the mold frame bottom plate 1 and the mold bottom plate 503 corresponding to each other, the shield 602 is fixedly arranged between the mold frame bottom plate 1 and the mold bottom plate 503, and the collecting groove 601 and the shield 602 at the bottom provide collection conditions for the punching of the battery module. After the punching is completed, the battery module will be collected through the collecting groove 601.

[0039] like Figure 5 As shown, as a preferred embodiment, on the basis of the above method, further, the driving assembly 7 includes a mold frame top plate 701, a driving cylinder 702, a driving shaft 703 and a cylinder connector 704. The mold frame top plate 701 is fixedly arranged between the mold frame side plates 2 on both sides, the driving cylinder 702 is fixedly arranged above the mold frame top plate 701, one end of the driving shaft 703 is fixedly arranged at the output end of the driving cylinder 702, and the cylinder connector 704 is fixedly arranged at the bottom end of the driving shaft 703. The driving cylinder 702 outputs power to drive the bottom driving shaft 703 and the cylinder connector 704 to move downward, pushing the tool downward to complete the punching.

[0040] like Figure 4 As shown, as a preferred embodiment, on the basis of the above method, further, the conveying assembly 8 includes a conveying motor 801, a conveying shaft 802 and a conveying belt 803, the conveying motor 801 is fixedly arranged at one end of the guide mold 502, one end of the conveying shaft 802 is fixedly arranged at the output end of the conveying motor 801, and the conveying belt 803 is arranged on two groups of conveying shafts 802, and the conveying motor 801 continuously conveys the battery module to the bottom of the upper mold plate 301 through the conveying shaft 802 and the conveying belt 803.

[0041] like Figure 3 As shown, as a preferred embodiment, on the basis of the above method, further, a handle fixing block 9 is fixedly provided at one end of the mold frame top plate 701 and the mold bottom plate 503, and a fixed handle 10 is fixedly provided on one side of the handle fixing block 9. The fixed handle 10 on one side and the handle fixing block 9 facilitate the replacement of the mold frame top plate 701 and the mold bottom plate 503.

[0042] Specifically, when the punching and cutting equipment for polymer lithium battery modules is in use: the conveying motor 801 continuously conveys the battery module to the bottom of the upper template 301 through the conveying shaft 802 and the conveyor belt 803. According to different punching and cutting conditions, different tools are selected and installed in the tool slot 306. The power is output by driving the cylinder 702 to drive the driving shaft 703 and the cylinder connector 704 at the bottom to move downward. As the cutting knife placement plate 305 moves up and down, the mold spring 304 provides a certain buffer to it to prevent rigid impact. In the process of downward punching and cutting, the bottom knife die guide frame 302 can impose certain restrictions on the upper tool to prevent the tool from offsetting during the punching and cutting process. After the punching and cutting is completed, the battery module will be collected by the collecting slot 601, and the top block 406 at one end will first contact the entering battery module, and then transmit the distance signal to the sensing top plate 404 on the rear side to prevent the battery module from extending too deep or too shallow during the entry process.

[0043] All technical features in this embodiment can be freely combined according to actual needs.

[0044] The above embodiments are preferred implementation schemes of the present invention. In addition, the present invention can also be implemented in other ways. Any obvious replacement without departing from the concept of the present technical solution is within the protection scope of the present invention.

Claims

1. A punching device for a polymer lithium battery module, comprising a mold frame bottom plate (1), characterized in that: A mold frame side plate (2) is arranged on the top of the mold frame bottom plate (1), a tool changing assembly (3) is arranged between the mold frame side plates (2) on both sides, a sensing assembly (4) is arranged on one side of the tool changing assembly (3), a bottom supporting assembly (5) is arranged at the bottom of the tool changing assembly (3), a collecting assembly (6) is arranged at the bottom of the bottom supporting assembly (5), a driving assembly (7) is arranged between the mold frame side plates (2) on both sides, and a conveying assembly (8) is arranged on one side of the mold frame side plates (2); The tool changing assembly (3) comprises an upper mold plate (301), a knife die guide frame (302), a guide bolt (303), a mold spring (304), a knife placement plate (305) and a knife slot (306); the upper mold plate (301) is arranged between the mold frame side plates (2) on both sides; the knife die guide frame (302) is arranged at the middle position of the upper mold plate (301); the guide bolt (303) is arranged inside the upper mold plate (301); the mold spring (304) is arranged on the guide bolt (303); the knife placement plate (305) is arranged at one end of the top of the guide bolt (303); and the knife slot (306) is opened in the middle part of the knife placement plate (305).

2. A punching device for polymer lithium battery module according to claim 1, characterized in that: The sensing component (4) comprises a fixing seat (401), a mounting plate (402), a proximity switch (403), a sensing top plate (404), a positioning top plate (405) and a top block (406); the fixing seat (401) is arranged on one side of the upper template (301); the mounting plate (402) is fixedly arranged on one side of the fixing seat (401); the proximity switch (403) is arranged on an outer side of the mounting plate (402); the sensing top plate (404) is arranged between the fixing seat (401) and the mounting plate (402); the positioning top plate (405) is arranged on one side of the fixing seat (401); the top block (406) is arranged at one end of the positioning top plate (405); and the top block (406) extends below the upper template (301).

3. The punching device for polymer lithium battery module according to claim 1, characterized in that: The bottom support assembly (5) comprises a lower template (501), a guide template (502) and a mold bottom plate (503); the lower template (501) is arranged between the mold frame side plates (2) on both sides; the guide template (502) is fixedly arranged at one end of the lower template (501); and the mold bottom plate (503) is fixedly arranged at the bottom of the lower template (501) and fixedly arranged between the mold frame side plates (2) on both sides.

4. A punching device for polymer lithium battery module according to claim 3, characterized in that: The collecting assembly (6) comprises a collecting trough (601) and a shield (602); the collecting trough (601) is provided in the middle parts of the mold frame bottom plate (1) and the mold bottom plate (503) so as to correspond to each other; and the shield (602) is fixedly arranged between the mold frame bottom plate (1) and the mold bottom plate (503).

5. The punching device for polymer lithium battery module according to claim 1, characterized in that: The driving assembly (7) comprises a mold frame top plate (701), a driving cylinder (702), a driving shaft (703) and a cylinder connector (704); the mold frame top plate (701) is fixedly arranged between the mold frame side plates (2) on both sides; the driving cylinder (702) is fixedly arranged above the mold frame top plate (701); one end of the driving shaft (703) is fixedly arranged at the output end of the driving cylinder (702); and the cylinder connector (704) is fixedly arranged at the bottom end of the driving shaft (703).

6. The punching device for polymer lithium battery module according to claim 3, characterized in that: The conveying assembly (8) comprises a conveying motor (801), a conveying shaft (802) and a conveying belt (803); the conveying motor (801) is fixedly arranged at one end of the guide mold (502); one end of the conveying shaft (802) is fixedly arranged at the output end of the conveying motor (801); and the conveying belt (803) is arranged on two sets of conveying shafts (802).

7. The punching device for polymer lithium battery module according to claim 5, characterized in that: A handle fixing block (9) is fixedly provided at one end of the mold frame top plate (701) and the mold bottom plate (503), and a fixed handle (10) is fixedly provided at one side of the handle fixing block (9).

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