Lithium battery cover plate test fixture

Abstract

The utility model discloses a lithium battery cover plate test fixture, and relates to the field of lithium battery test. The lithium battery cover plate test fixture comprises a fixture supporting seat, a lower die holder is arranged on the fixture supporting seat, a cover plate support is movably clamped in the lower die holder, an electric push rod is arranged at the bottom of the fixture supporting seat, a lifting frame is arranged at the output end of the electric push rod, an upper die holder is connected to the lifting frame, and the upper die holder is connected to the lower die holder. And the surface of the lithium battery cover plate is clamped between the cover plate bracket and the upper die holder. According to the lithium battery cover plate test fixture, through the design of the lower die holder and the cover plate bracket, the cover plate bracket is used for supporting a battery cover plate, and the cover plate bracket is conveniently clamped on the lower die holder, so that the cover plate bracket is convenient to replace, and when a multi-model lithium battery cover plate test is carried out, only the cover plate bracket needs to be rapidly replaced; operation is easy and convenient, time and labor are saved, and use requirements are met.

Description

TECHNICAL FIELD

[0001] The utility model relates to lithium battery test technical field, concretely is a kind of lithium battery cover plate test fixture. BACKGROUND

[0002] Test fixture plays a crucial role in the explosion-proof test of lithium battery cover plate. It not only can firmly fix the battery to prevent movement or falling of the battery during the test, but also can ensure good contact between the battery and the test equipment, so as to obtain accurate test results.

[0003] The existing test fixture usually adopts two sets of die seats to clamp the lithium battery cover plate for testing. Since there are many models of lithium battery cover plates, the test fixture for lithium battery needs to be replaced when testing different models of lithium battery cover plates. The upper and lower die seats need to be disassembled and replaced with the model during replacement. This test is not convenient to operate, and the speed of testing lithium battery cover plates is slow, which cannot meet the demand. To overcome the shortcomings of the prior art, the utility model provides a lithium battery cover plate test fixture to solve the above problems. UTILITY MODEL CONTENTS

[0004] To overcome the shortcomings of the prior art, the utility model provides a lithium battery cover plate test fixture. Through the design of the lower die seat and the cover plate support, the cover plate support is used to support the battery cover plate. The cover plate support is conveniently clamped on the lower die seat, so that replacement is convenient. Therefore, when testing multiple models of lithium battery cover plates, only the cover plate support needs to be quickly replaced, which is simple and convenient to operate, saves time and effort, and meets the use demand.

[0005] To achieve the above purposes, the utility model is implemented by the following technical solutions: a lithium battery cover plate test fixture, comprising a fixture support seat, a lower die seat is arranged on the fixture support seat, a cover plate support is movably clamped in the lower die seat;

[0006] The bottom of the fixture support seat is provided with an electric push rod, the output end of the electric push rod is provided with a lifting frame, the lifting frame is connected with an upper die seat, and the lithium battery cover plate is clamped between the cover plate support and the upper die seat;

[0007] The first gas source channel is arranged on the lower die seat, and the second gas source channel is arranged on the upper die seat and the lifting frame.

[0008] Preferably, the fixture support seat is provided with an adjusting mechanism for supporting the lower die seat, the adjusting mechanism comprises an adjusting seat arranged below the lower die seat, the bottom of the adjusting seat is fixedly connected with a nut seat, and the fixture support seat is rotatably connected with a lead screw, and the lead screw is threadedly connected with the nut seat.

[0009] Preferably, a driving motor is fixedly connected on the clamp support base, and an output end of the driving motor is fixedly connected with the screw rod.

[0010] Preferably, a guide rail is arranged on the clamp support base, and the adjusting seat is slidingly connected on the guide rail.

[0011] Preferably, a limiting clamping groove is arranged on the cover plate support.

[0012] Preferably, a clamping groove corresponding to the position of the cover plate support is arranged on the lower die base.

[0013] The utility model discloses a lithium battery cover plate test fixture, which has the following beneficial effects:

[0014] The lithium battery cover plate test fixture is convenient to replace through the clamping of the cover plate support on the lower die base, so that the cover plate support can be quickly replaced when testing lithium battery cover plates of multiple models, and the operation is simple and convenient, time and labor are saved, and the use requirement is met. DRAWINGS

[0015] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the embodiment or the prior art description will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creative labor.

[0016] Fig. 1 It is the whole structure schematic diagram of the utility model;

[0017] Fig. 2 It is the structure schematic diagram of the adjusting mechanism of the utility model;

[0018] Fig. 3 It is the structure schematic diagram of the first gas source channel of the utility model.

[0019] In the drawing: 1, clamp support base;11, guide rail;2, lower die base;21, first gas source channel;3, cover plate support;31, limiting clamping groove;4, electric push rod;41, lifting frame;5, upper die base;51, second gas source channel;6, adjusting mechanism;61, adjusting seat;62, nut base;63, screw rod;64, driving motor. PREFERRED EMBODIMENT

[0020] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model is described clearly and completely, obviously, the described embodiments are 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 the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0021] The lithium battery cover plate test fixture provided in the embodiments of the application solves the problem that the existing test fixture is not convenient to operate when replacing the model for installation test, so that the lithium battery cover plate is slow when being tested and cannot meet the demand.

[0022] In order to better understand the above technical scheme, the above technical scheme will be described in detail in combination with the drawings of the specification and specific embodiments.

[0023] The utility model discloses a lithium battery cover plate test fixture, according to the attached Figs. 1-3 As shown, it comprises a fixture support seat 1, the fixture support seat 1 is equipped with the lower die seat 2, the inside of the lower die seat 2 is movably clamped with the cover plate support 3;

[0024] The bottom of the fixture support seat 1 is equipped with an electric push rod 4, the output end of the electric push rod 4 is equipped with a lifting frame 41, the lifting frame 41 is connected with the upper die seat 5, and the lithium battery cover plate is clamped between the cover plate support 3 and the upper die seat 5;

[0025] The lower die seat 2 is provided with a first gas source channel 21, the upper die seat 5 and the lifting frame 41 are both provided with a second gas source channel 51, and the first gas source channel 21 and the second gas source channel 51 are used to connect the gas source equipment, so as to pressurize test the lithium battery cover plate and test the explosion-proof performance of the lithium battery cover plate.

[0026] The lithium battery cover plate test fixture is convenient for clamping test operation of the lithium battery cover plate when explosion-proof test of the battery cover plate is needed. Firstly, the appropriate cover plate support 3 is selected, the cover plate support 3 is clamped on the lower die seat 2, then the battery cover plate is placed on the cover plate support 3, at this time, the electric push rod 4 drives the lifting frame 41 to move, the lifting frame 41 drives the upper die seat 5 to move, finally, the upper die seat 5 and the cover plate support 3 clamp and limit the battery cover plate, meanwhile, the upper die seat 5 and the lower die seat 2 are extruded and fitted, the first gas source channel 21 and the second gas source channel 51 are used to pressurize the lower part or the upper part of the battery cover plate, so as to perform explosion-proof test, and after the test is completed, the device is reset and the battery cover plate is taken off.

[0027] The adjusting mechanism 6 is arranged below the lower die seat 2, the bottom of the adjusting seat 61 is fixedly connected with the nut seat 62, the clamp support seat 1 is rotationally connected with the lead screw 63, the lead screw 63 is threadedly connected with the nut seat 62, the device is convenient for adjusting the position of the lower die seat 2 through the design of the adjusting mechanism 6, so that the lower die seat 2 is moved to the outside of the equipment and is not blocked by the lifting frame 41 and the upper die seat 5, so that the lithium battery cover plate is convenient for taking and placing, when the lithium battery cover plate is clamped and placed, the lower die seat 2 is moved to the lower side of the lifting frame 41 and the upper die seat 5, and returns to the initial position for testing.

[0028] The driving motor 64 is fixedly connected to the clamp support seat 1, and the output end of the driving motor 64 is fixedly connected with the lead screw 63; the driving motor 64 provides power in the adjusting mechanism 6, when the driving motor 64 works, the driving motor 64 drives the lead screw 63 to move, the lead screw 63 drives the nut seat 62 to move, the nut seat 62 drives the adjusting seat 61 to move, and the adjusting seat 61 drives the lower die seat 2 and the cover plate support 3 to move, the adjusting process is simple to operate, stable in operation and convenient to use.

[0029] The clamp support seat 1 is provided with the guide rail 11, and the adjusting seat 61 is slidingly connected to the guide rail 11, the device provides support and limiting for the adjusting seat 61 through the design of the guide rail 11, so as to ensure that the adjusting seat 61 is stable in stress.

[0030] The cover plate support 3 is provided with the limiting clamping groove 31, and the lower die seat 2 is provided with the clamping groove corresponding to the position of the cover plate support 3, the device is convenient for clamping the lithium battery cover plate on the cover plate support 3 through the design of the limiting clamping groove 31, the cover plate support 3 is convenient for clamping on the lower die seat 2 through the design of the clamping groove of the lower die seat 2, and the cover plate support 3 is convenient for replacing different models, so that different models of battery cover plates can be tested.

[0031] The basic principle and main features of the utility model and the advantages of the utility model are shown and described. It should be understood by those skilled in the art that the utility model is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principle of the utility model, and various changes and improvements can be made without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The protection scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A lithium battery cover plate test fixture comprising a fixture support base (1) characterised in that: The lower die base (2) is movably clamped in the inside of the clamp support base (1), and a cover plate support (3) is arranged on the lower die base (2). The bottom of the clamp support base (1) is provided with an electric push rod (4), and the output end of the electric push rod (4) is provided with a lifting frame (41), and the lifting frame (41) is connected with an upper die base (5), and the lithium battery cover plate is clamped between the cover plate support (3) and the upper die base (5). The lower die base (2) is movably clamped in the inside of the clamp support base (1), and a cover plate support (3) is arranged on the lower die base (2).

2. The lithium battery cover plate test fixture of claim 1, wherein: The clamp support base (1) is provided with an adjusting mechanism (6) for supporting the lower die base (2), the adjusting mechanism (6) comprises an adjusting seat (61) arranged below the lower die base (2), the bottom of the adjusting seat (61) is fixedly connected with a nut seat (62), the clamp support base (1) is rotatably connected with a lead screw (63), and the lead screw (63) is threadedly connected with the nut seat (62).

3. The lithium battery cover plate test fixture of claim 2, wherein: The clamp support base (1) is fixedly connected with a driving motor (64), and the output end of the driving motor (64) is fixedly connected with the lead screw (63).

4. The lithium battery cover plate test fixture of claim 2, wherein: The clamp support base (1) is provided with a guide rail (11), and the adjusting seat (61) is slidably connected on the guide rail (11).

5. The lithium battery cover plate test fixture of claim 1, wherein: The cover plate support (3) is provided with a limiting clamping groove (31).

6. The lithium battery cover plate test fixture of claim 1, wherein: The lower die base (2) is provided with a clamping groove corresponding to the position of the cover plate support (3).

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