Special tool for testing thrust of pore plate of lithium battery

Abstract

The utility model discloses a special tool for lithium battery pore plate thrust test, comprising a lower die mechanism, the lower die mechanism comprises a lower die body, and the lower die body is provided with an opening groove; and the upper die mechanism comprises a mounting seat fixedly connected to the lower die body, and a mounting frame cylinder is fixedly connected to the mounting seat. The lithium battery cover plate to be machined is firstly placed in the containing groove, then the hydraulic cylinder drives the hole opening head at the bottom of the testing assembly to conduct punching operation on the cover plate, during punching, due to the reaction of the hole opening head, the connecting spring can be compressed through the connecting sliding block at the top of the mounting block, and meanwhile the cover plate can be punched through the hole opening head. The pressure sensor is extruded through the abutting block, the pressure sensor generates a high reading number, when the tapping head punches through the lithium battery cover plate, the reading number of the pressure sensor is greatly reduced accordingly, therefore, the force can be measured through the pressure sensor, the depth of a hole plate knife edge is judged, operation is easy and convenient, and efficiency is high.

Description

Technical Field

[0001] The utility model relates to the technical field of lithium battery orifice plate testing, in particular to a special tool for lithium battery orifice plate thrust testing. Background Art

[0002] Batteries are a type of battery that uses lithium metal or lithium alloy as positive / negative electrode materials and a non-aqueous electrolyte solution. The cover of a lithium battery needs to be punched during processing. The industry currently has no means to directly detect the depth of the orifice blade. Generally, after the orifice plate is made into a sample, the finished product cap is welded and tested to determine the depth. This is not only cumbersome but also inefficient. Utility Model Content

[0003] The purpose of the utility model is to provide a special tooling for lithium battery orifice plate thrust testing. First, the lithium battery cover plate to be processed is placed in the accommodating groove, and then the hydraulic cylinder drives the opening head at the bottom of the test assembly to punch the cover plate. While punching, due to the reaction of the opening head, the connecting spring can be compressed by the connecting slider on the top of the mounting block. At the same time, the pressure sensor is squeezed by the abutment block, and the pressure sensor produces a higher reading. When the opening head punches through the lithium battery cover plate, the reading of the pressure sensor is greatly reduced. Therefore, the force can be measured by the pressure sensor to judge the depth of the orifice plate blade. It is not only easy to operate but also efficient.

[0004] In order to achieve the above-mentioned purpose, the main technical solutions adopted by this utility model include:

[0005] A special tool for lithium battery orifice plate thrust testing, comprising:

[0006] A lower mold mechanism, the lower mold mechanism comprising a lower mold body, the lower mold body being provided with an opening groove;

[0007] The upper mold mechanism includes a mounting base fixedly connected to the lower mold body, a mounting frame fixedly connected to the mounting base, and a hole opening mechanism installed on the mounting frame.

[0008] The above-mentioned special tooling for lithium battery orifice plate thrust testing, wherein the hole opening mechanism includes a hydraulic cylinder fixedly connected to the mounting frame, a test assembly fixedly connected to the output end of the hydraulic cylinder, and a hole opening head installed at the bottom of the test assembly.

[0009] The above-mentioned special tooling for lithium battery orifice plate thrust testing, wherein the test assembly includes a mounting shell fixedly connected to the output end of the hydraulic cylinder, a connecting slider is slidably connected inside the mounting shell, the bottom of the connecting slider is fixedly connected to a mounting block, and the bottom of the mounting block is fixedly connected to the top of the opening head, both sides of the top of the connecting slider are fixedly connected to connecting springs, and the top of the connecting spring is fixedly connected to the top of the inner wall of the mounting shell, the top of the connecting slider is also fixedly connected to an abutment block, and a pressure sensor is fixedly connected to the top of the inner wall of the mounting shell and the position corresponding to the abutment block.

[0010] The above-mentioned special tooling for lithium battery orifice plate thrust testing, wherein a receiving groove for placing the lithium battery orifice plate is provided at the top of the lower mold body and at a position corresponding to the opening groove.

[0011] The above-mentioned special tooling for lithium battery orifice plate thrust testing, wherein both sides of the connecting slider are fixedly connected to the limit slider, and a limit sliding groove matching the limit slider is opened on the inner wall of the mounting shell and at the position corresponding to the limit slider.

[0012] The above-mentioned special tooling for lithium battery orifice plate thrust testing, wherein the limiting slider is movable through the limiting slide groove on the side close to the limiting slide groove, and extends to the interior of the limiting slide groove, and is slidably connected to the inner wall of the limiting slide groove.

[0013] The utility model has at least the following beneficial effects:

[0014] In the present invention, a special tooling for lithium battery orifice plate thrust testing is realized. First, the lithium battery cover plate to be processed is placed in the accommodating groove, and then the hydraulic cylinder drives the opening head at the bottom of the test assembly to punch the cover plate. While punching, due to the reaction of the opening head, the connecting spring can be compressed by the connecting slider on the top of the mounting block. At the same time, the pressure sensor is squeezed by the abutment block, and the pressure sensor produces a higher reading. When the opening head punches through the lithium battery cover plate, the reading of the pressure sensor is greatly reduced. Therefore, the force can be measured by the pressure sensor to judge the depth of the orifice plate blade. It is not only easy to operate but also efficient. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0016] Figure 1 This is a structural diagram of a special tooling for lithium battery orifice plate thrust testing of the utility model;

[0017] Figure 2This is a schematic diagram of the cross-sectional structure of the special tooling for lithium battery orifice plate thrust testing of the utility model;

[0018] Figure 3 This is a structural diagram of the lower die mechanism in the special tooling for lithium battery orifice plate thrust testing of the utility model;

[0019] Figure 4 This is a structural diagram of the hole-opening mechanism in the special tooling for lithium battery orifice plate thrust testing of the utility model;

[0020] Figure 5 This is a structural schematic diagram of the test assembly in the special tooling for lithium battery orifice plate thrust testing of the utility model.

[0021] Description of Figure Numbers:

[0022] 1. Lower mold mechanism; 2. Upper mold mechanism;

[0023] 101, lower mold body; 102, opening groove; 1021, receiving groove;

[0024] 201. Mounting seat; 202. Mounting frame; 203. Hole opening mechanism;

[0025] 2031. Hydraulic cylinder; 2032. Test assembly; 2033. Hole tapping head;

[0026] 20321. Mounting shell; 20322. Connecting slider; 20323. Connecting spring; 20324. Abutting block; 20325. Pressure sensor; 20326. Mounting block; 20327. Limiting slider; 20328. Limiting slide groove. DETAILED DESCRIPTION

[0027] The following will describe the implementation methods of the present application in detail with reference to the accompanying drawings and examples, so that the implementation process of how the present application applies technical means to solve technical problems and achieve technical effects can be fully understood and implemented accordingly.

[0028] In the description of the embodiments of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the embodiments of the present invention and simplifying the description, rather than indicating or implying 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 embodiments of the present invention.

[0029] In the description of the embodiments of the present invention, it should be noted that, unless otherwise clearly stipulated and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense. For example, it can be a fixed connection, an integral connection, or a detachable connection; it can be the internal connection of two components; it can be directly connected or indirectly connected through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the embodiments of the present invention can be understood according to specific circumstances.

[0030] Please refer to Figures 1 to 5 As shown, an embodiment of the present invention provides a special tooling for lithium battery orifice plate thrust test, comprising: a lower die mechanism 1 and an upper die mechanism 2;

[0031] Please refer to Figures 1 to 5 As shown, the lower mold mechanism 1 includes a lower mold body 101, and an opening slot 102 is opened on the lower mold body 101;

[0032] Please refer to Figures 1 to 5 As shown, the upper mold mechanism 2 includes a mounting base 201 fixedly connected to the lower mold body 101, a mounting frame 202 fixedly connected to the mounting base 201, and a hole opening mechanism 203 installed on the mounting frame 202;

[0033] Please refer to Figures 1 to 5 As shown, the hole-opening mechanism 203 includes a hydraulic cylinder 2031 fixedly connected to the mounting frame 202 , a test assembly 2032 fixedly connected to the output end of the hydraulic cylinder 2031 , and a hole-opening head 2033 installed at the bottom of the test assembly 2032 .

[0034] Please refer to Figures 1 to 5 As shown, the test component 2032 includes a mounting shell 20321 fixedly connected to the output end of the hydraulic cylinder 2031, and the mounting shell 20321 is internally slidably connected to a connecting slider 20322, the bottom of the connecting slider 20322 is fixedly connected to a mounting block 20326, and the bottom of the mounting block 20326 is fixedly connected to the top of the opening head 2033, both sides of the top of the connecting slider 20322 are fixedly connected to connecting springs 20323, and the top of the connecting spring 20323 is fixedly connected to the top of the inner wall of the mounting shell 20321, the top of the connecting slider 20322 is also fixedly connected to an abutment block 20324, and a pressure sensor 20325 is fixedly connected to the top of the inner wall of the mounting shell 20321 and at the position corresponding to the abutment block 20324.

[0035] Please refer to Figures 1 to 5 As shown, a receiving groove 1021 for placing a lithium battery orifice plate is provided at the top of the lower mold body 101 and at a position corresponding to the opening groove 102;

[0036] By adopting the above technical solution, the stability of the lithium battery blank to be tested placed on the lower mold body 101 is increased by providing the accommodating groove 1021 .

[0037] Please refer to Figures 1 to 5 As shown, both sides of the connecting slider 20322 are fixedly connected to the limit sliders 20327. A limit sliding groove 20328 matching the limit slider 20327 is opened on the inner wall of the mounting shell 20321 at a position corresponding to the limit slider 20327. The side of the limit slider 20327 close to the limit sliding groove 20328 movably passes through the limit sliding groove 20328 and extends into the interior of the limit sliding groove 20328, and is slidably connected to the inner wall of the limit sliding groove 20328.

[0038] By adopting the above technical solution, the limiting slider 20327 and the limiting groove 20328 are provided to limit the connecting slider 20322, thereby increasing the stability of the connecting slider 20322 driving the opening head 2033 at the bottom of the mounting block 20326 to move.

[0039] The working principle of the present invention is: first, the lithium battery cover to be processed is placed in the accommodating groove 1021, and then the hydraulic cylinder 2031 drives the opening head 2033 at the bottom of the test component 2032 to punch the cover. At the same time of punching, due to the reaction of the opening head 2033, the connecting spring 20323 can be compressed by the connecting slider 20322 on the top of the mounting block 20326. At the same time, the pressure sensor 20325 is squeezed by the abutment block 20324, and the pressure sensor 20325 produces a higher reading. When the opening head 2033 opens the lithium battery cover, the reading of the pressure sensor 20325 is greatly reduced. Therefore, the force can be measured by the pressure sensor 20325 to judge the depth of the orifice blade. It is not only easy to operate but also efficient.

[0040] The above description shows and describes several preferred embodiments of the present invention. However, as previously mentioned, it should be understood that the present invention is not limited to the form disclosed herein and should not be construed as excluding other embodiments. Instead, the present invention can be used in various other combinations, modifications, and environments and can be modified within the scope of the present invention as taught herein or through the techniques or knowledge in the relevant field. Modifications and variations made by those skilled in the art that do not depart from the spirit and scope of the present invention are intended to be protected by the claims appended hereto.

Claims

1. A special tool for lithium battery orifice plate thrust test, characterized in that: include: A lower mold mechanism (1), the lower mold mechanism (1) comprising a lower mold body (101), the lower mold body (101) being provided with an opening groove (102); An upper mold mechanism (2), the upper mold mechanism (2) comprising a mounting seat (201) fixedly connected to the lower mold body (101), a mounting frame (202) fixedly connected to the mounting seat (201), and a hole opening mechanism (203) mounted on the mounting frame (202); The hole-opening mechanism (203) comprises a hydraulic cylinder (2031) fixedly connected to the mounting frame (202); a test assembly (2032) is fixedly connected to the output end of the hydraulic cylinder (2031); and a hole-opening head (2033) is installed at the bottom of the test assembly (2032); The test assembly (2032) comprises a mounting shell (20321) fixedly connected to the output end of the hydraulic cylinder (2031); a connecting slider (20322) is slidably connected inside the mounting shell (20321); a mounting block (20326) is fixedly connected to the bottom of the connecting slider (20322); and the bottom of the mounting block (20326) is fixedly connected to the top of the opening head (2033); both sides of the top of the connecting slider (20322) are fixedly connected to connecting springs (20323), and the top of the connecting spring (20323) is fixedly connected to the top of the inner wall of the mounting shell (20321); the top of the connecting slider (20322) is also fixedly connected to an abutment block (20324); and a pressure sensor (20325) is fixedly connected to the top of the inner wall of the mounting shell (20321) and at a position corresponding to the abutment block (20324).

2. The special tool for lithium battery orifice plate thrust test according to claim 1, characterized in that: A receiving groove (1021) for accommodating a lithium battery orifice plate is provided at the top of the lower mold body (101) and at a position corresponding to the opening groove (102).

3. The special tooling for lithium battery orifice plate thrust testing according to claim 2, characterized in that: Both sides of the connecting slider (20322) are fixedly connected to the limiting slider (20327), and a limiting sliding groove (20328) matching the limiting slider (20327) is provided on the inner wall of the mounting shell (20321) at a position corresponding to the limiting slider (20327).

4. The special tool for lithium battery orifice plate thrust testing according to claim 3, characterized in that: The limiting sliding block (20327) moves through the limiting sliding groove (20328) on the side close to the limiting sliding groove (20328), and extends to the interior of the limiting sliding groove (20328), and is slidably connected to the inner wall of the limiting sliding groove (20328).

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