Fixing tool for testing cylindrical battery

Abstract

The utility model relates to the technical field of battery manufacturing, and discloses a fixing tool for testing a cylindrical battery, which comprises a bottom plate, a cathode positioning plate is movably connected to the top of the bottom plate, one side of the cathode positioning plate is provided with a second sliding chute, the other side of the second sliding chute is provided with a cathode probe, and the cathode probe is connected with the bottom plate. The other side of the negative electrode probe is movably connected with a detection battery body, the other side of the detection battery body is movably connected with a first limiting mounting block, and the back surface of the first limiting mounting block is movably connected with a second limiting mounting block; a movable positioning plate is movably connected to the other side of the second limiting mounting block and the other side of the first limiting mounting block, the movable positioning plate can move by loosening a second nut, one side of the positioning plate is fixed, the other side of the positioning plate moves, and after the position is adjusted, only the nut on one side needs to be adjusted for assembly. The previous tedious installation and adjustment of the movable positioning plate are avoided, and the required working steps and working hours are reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to battery manufacturing technical field more particularly to a kind of fixing tool for cylindrical battery test. BACKGROUND

[0002] In recent years, the international community attaches more and more importance to energy crisis and environmental problems, China is actively responding, vigorously support new energy industry; Lithium ion battery as a new energy device, due to the advantages of high energy density, long service life, no memory effect is widely used in electric tools, electric vehicles, digital consumer products, and in the process of battery charging and discharging, pole group will repeatedly breathe shrinkage expansion, usually selected limit fixture test, using limit fixture test can reduce the occurrence of negative electrode and separator interface side reaction, reduce the hole blocking rate of separator, improve the air permeability of separator, improve the stress uniformity of battery, improve the interface contact of positive and negative plate in battery, reduce the ohmic resistance of battery, improve the cycle performance of battery, in order to obtain the charge-discharge characteristic curve and corresponding test data of power battery monomer, the battery monomer is placed in special fixture, finally, under the control of host computer, the charging and discharging equipment can charge and discharge power battery monomer.

[0003] The existing cylindrical battery test fixing tool has the following disadvantages:

[0004] Firstly, the existing battery clamping and fixing method is relatively complicated, the top plate and the bottom plate need to be placed on the opposite sides of the battery to be detected respectively, and then nuts and bolts are installed on the top plate and the bottom plate to tighten and fix the battery to be detected. Since the bolts and nuts need to be installed on both sides, it increases the complexity and repeatability of experimental operation.

[0005] Secondly, since the diameters and lengths of test batteries are different, the existing battery test fixing tool has fixed test specifications, and testers need to spend extra time and effort to find suitable fixing tools, which not only delays the test progress, but also reduces the overall test efficiency. UTILITY MODEL CONTENTS

[0006] In order to overcome the above-mentioned defects of the prior art, the utility model provides a cylindrical battery test fixing tool to solve the problems in the above background art.

[0007] The utility model provides following technical scheme: A kind of fixed tool for cylindrical battery test, including bottom plate, the movable connection of the bottom plate top has negative pole positioning plate, the side of negative pole positioning plate is equipped with second sliding slot, the other side of second sliding slot is equipped with negative pole probe, the other side of negative pole probe is movably connected with detection battery body, the other side of detection battery body is movably connected with first limit mounting block, the back of first limit mounting block is movably connected with second limit mounting block, the other side of second limit mounting block and first limit mounting block is movably connected with movable positioning plate, the bottom of movable positioning plate is equipped with third mounting hole, the bottom of third mounting hole is equipped with first sliding slot, the inner surface of third mounting hole and first sliding slot is movably connected with second bolt, the bottom of the outer surface of second bolt is movably connected with second nut, the top of second nut is movably connected with bottom plate, the other side of movable positioning plate is fixedly connected with positive pole probe.

[0008] Further, the other side of the bottom plate top is provided with a first sliding slot, the side of the bottom plate top is provided with a first mounting hole, the bottom of the negative pole positioning plate is provided with a second mounting hole, the inner surface of the second mounting hole and the first mounting hole is movably connected with a first bolt, and the bottom of the first bolt is movably connected with a first nut.

[0009] Further, the other side of the second sliding slot is provided with a second stop block, the inner surface of the second sliding slot is movably connected with a fixing bolt, the other side of the fixing bolt is fixedly connected with the second stop block, the outer surface of the fixing bolt is movably connected with a fixing nut, the other side of the fixing nut is fixedly connected with a first stop block, the other side of the first stop block is movably connected with the negative pole positioning plate, and the side of the second stop block is movably connected with the negative pole probe.

[0010] Further, the back of the first limit mounting block is fixedly connected with a guide block, the front of the second limit mounting block is provided with a square groove, the outer surface of the guide block is movably connected with the square groove, the other side of the first limit mounting block and the second limit mounting block is provided with a clamping groove, and the inner surface of the clamping groove is movably connected with the detection battery body.

[0011] Further, the inner surface of the movable positioning plate and the first limit mounting block is movably connected with a third bolt.

[0012] The utility model discloses technical effects and advantages:

[0013] 1. The utility model discloses a negative pole positioning plate is fixed on the bottom plate, the movable positioning plate can be moved by loosening second nut, one side of positioning plate is fixed and one side is movable, only need to adjust single -sided nut to assemble after adjusting position, avoid the previous complicated installation adjustment movable positioning plate to reduce the required work step and working hours.

[0014] 2. The utility model discloses a first sliding groove is set up to bottom plate, through the position of movable positioning plate adjustment can adapt to different length type battery, do flexible adjustment, through the setting of first limit mounting block and second limit mounting block, can limit the installation of battery and make things convenient for battery, and through the setting of third bolt, make can dismantle to it, and can adapt to different diameter kind battery and carry out experimental test demand, expand the battery size type that can detect. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is whole structure schematic diagram of the utility model.

[0016] Figure 2 It is bottom plate and negative pole positioning plate structure schematic diagram of the utility model.

[0017] Figure 3 It is negative pole probe structure schematic diagram of the utility model.

[0018] Figure 4 It is movable positioning plate structure schematic diagram of the utility model.

[0019] Figure 5 It is first limit mounting block structure schematic diagram of the utility model.

[0020] The drawing mark is: 1, bottom plate;101, first sliding groove;102, first mounting hole;103, first nut;104, first bolt;105, detect battery body;2, negative pole positioning plate;201, second sliding groove;202, second mounting hole;203, fixed bolt;204, first stopper;205, fixed nut;206, second stopper;207, negative pole probe;3, movable positioning plate;301, third mounting hole;302, second bolt;303, second nut;304, positive pole probe;4, first limit mounting block;401, clamping groove;402, guide block;403, second limit mounting block;404, square groove;405, third bolt. DETAILED DESCRIPTION

[0021] The technical scheme in the utility model will be described below in connection with the drawings in the utility model, and additionally, the form of each structure recorded in the following implementation is only an example, and the fixing tool for cylindrical battery test involved in the utility model is not limited to each structure recorded in the following implementation, and all other implementation obtained by the ordinary skill in the art without making creative labor belongs to the range of protection of the utility model.

[0022] REFERENCE Figures 1-5The utility model provides a kind of fixed tool for cylindrical battery test, including bottom plate 1, the movable connection of bottom plate 1 top one negative pole positioning plate 2, the side of negative pole positioning plate 2 is equipped with second sliding slot 201, the other side of second sliding slot 201 is equipped with negative pole probe 207, the other side of negative pole probe 207 is movably connected with detection battery body 105, the other side of detection battery body 105 is movably connected with first limit mounting block 4, the back of first limit mounting block 4 is movably connected with second limit mounting block 403, the other side of second limit mounting block 403 and first limit mounting block 4 is movably connected with movable positioning plate 3, the bottom of movable positioning plate 3 is equipped with third mounting hole 301, the bottom of third mounting hole 301 is equipped with first sliding slot 101, the inner surface of third mounting hole 301 and first sliding slot 101 is movably connected with second bolt 302, the bottom of the outer surface of second bolt 302 is movably connected with second nut 303, the top of second nut 303 is movably connected with bottom plate 1, the other side of movable positioning plate 3 is fixedly connected with positive pole probe 304.

[0023] In a preferred embodiment, the other side of the top of the bottom plate 1 is provided with a first sliding slot 101, one side of the top of the bottom plate 1 is provided with a first mounting hole 102, the bottom of the negative pole positioning plate 2 is provided with a second mounting hole 202, the inner surface of the second mounting hole 202 and the first mounting hole 102 is movably connected with a first bolt 104, the bottom of the first bolt 104 is movably connected with a first nut 103.

[0024] In a preferred embodiment, the other side of the second sliding slot 201 is provided with a second stop block 206, the inner surface of the second sliding slot 201 is movably connected with a fixed bolt 203, the other side of the fixed bolt 203 is fixedly connected with the second stop block 206, the outer surface of the fixed bolt 203 is movably connected with a fixed nut 205, the other side of the fixed nut 205 is fixedly connected with a first stop block 204, the other side of the first stop block 204 is movably connected with the negative pole positioning plate 2, one side of the second stop block 206 is movably connected with the negative pole probe 207.

[0025] In a preferred embodiment, the back of the first limit mounting block 4 is fixedly connected with a guide block 402, the front of the second limit mounting block 403 is provided with a square groove 404, the outer surface of the guide block 402 is movably connected with the square groove 404, the other side of the first limit mounting block 4 and the second limit mounting block 403 is provided with a clamping groove 401, the inner surface of the clamping groove 401 is movably connected with the detection battery body 105.

[0026] In a preferred embodiment, the inner surface of the movable positioning plate 3 and the first limit mounting block 4 is movably connected with a third bolt 405.

[0027] The utility model discloses a working principle: in use according to the need detection battery's diameter replaces first limit installation piece 4 with second limit installation piece 403, make clamping groove 401 with detection battery body 105 is suitable, subsequently the guide block 402 in first limit installation piece 4 is inserted to the square slot 404 in second limit installation piece 403, this can be combined with two limit installation pieces to speed up the assembly time fast, subsequently uses third bolt 405 to pass through movable positioning plate 3 with two limit installation pieces fixed, subsequently according to the length of detection battery body 105 adjustment movable positioning plate 3's position, take down second nut 303 subsequently adjustment movable positioning plate 3's position, after adjusting to the preset position, make movable positioning plate 3 position fixed with second nut 303 is installed to second bolt 302, because the diameter of detection battery body 105 is in the fluctuation, the position of negative probe 207 needs to be adjusted, when adjusting, need to rotate fixed bolt 203, at this time, negative probe 207 can move in second sliding groove 201, when negative probe 207 is located at the center of detection battery body 105 makes rotate fixed bolt 203 again and makes negative probe 207 position fixed.

[0028] Finally, it should be noted that: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "installation", "connection", "connection" should be understood broadly, which can be mechanical connection or electrical connection, or the communication between two elements, or direct connection, "up", "down", "left", "right" and the like are only used to represent the relative positional relationship, when the absolute position of the described object changes, the relative positional relationship may change;

[0029] Secondly: the present application discloses the embodiment in the drawing, only relates to the structure involved in the present disclosure embodiment, other structures can refer to the usual design, under the condition of no conflict, the same embodiment and different embodiments of the present application can be combined with each other;

[0030] Finally: the above only for the preferred embodiment of the present application, and does not limit the present application, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, should be included in the protection scope of the present application.

Claims

1. A fixing tool for testing a cylindrical battery, comprising a base plate (1), characterized in that: The movable connection has a negative positioning plate (2) on the top of the bottom plate (1), one side of the negative positioning plate (2) is provided with a second sliding groove (201), the other side of the second sliding groove (201) is provided with a negative probe (207), the other side of the negative probe (207) is movably connected with a detection battery body (105), the other side of the detection battery body (105) is movably connected with a first limiting mounting block (4), the back of the first limiting mounting block (4) is movably connected with a second limiting mounting block (403), the other side of the second limiting mounting block (403) and the first limiting mounting block (4) is movably connected with a movable positioning plate (3), the bottom of the movable positioning plate (3) is provided with a third mounting hole (301), the bottom of the third mounting hole (301) is provided with a first sliding groove (101), the inner surface of the third mounting hole (301) and the first sliding groove (101) is movably connected with a second bolt (302), the bottom of the outer surface of the second bolt (302) is movably connected with a second nut (303), the top of the second nut (303) is movably connected with a bottom plate (1), the other side of the movable positioning plate (3) is fixedly connected with a positive probe (304).

2. The fixing tool for testing cylindrical batteries according to claim 1, characterized in that: The other side of the top of the bottom plate (1) is provided with a first sliding groove (101), one side of the top of the bottom plate (1) is provided with a first mounting hole (102), the bottom of the negative positioning plate (2) is provided with a second mounting hole (202), the inner surface of the second mounting hole (202) and the first mounting hole (102) is movably connected with a first bolt (104), the bottom of the first bolt (104) is movably connected with a first nut (103).

3. The fixing tool for testing cylindrical batteries according to claim 1, characterized in that: The other side of the second sliding groove (201) is provided with a second stop block (206), the inner surface of the second sliding groove (201) is movably connected with a fixed bolt (203), the other side of the fixed bolt (203) is fixedly connected with a second stop block (206), the outer surface of the fixed bolt (203) is movably connected with a fixed nut (205), the other side of the fixed nut (205) is fixedly connected with a first stop block (204), the other side of the first stop block (204) is movably connected with a negative positioning plate (2), one side of the second stop block (206) is movably connected with a negative probe (207).

4. The fixing tool for testing cylindrical battery according to claim 1, characterized in that: The back of the first limiting mounting block (4) is fixedly connected with a guide block (402), the front of the second limiting mounting block (403) is provided with a square groove (404), the outer surface of the guide block (402) is movably connected with a square groove (404), the other side of the first limiting mounting block (4) and the second limiting mounting block (403) is provided with a clamping groove (401), the inner surface of the clamping groove (401) is movably connected with a detection battery body (105).

5. The fixing tool for testing cylindrical batteries according to claim 1, characterized in that: The inner surface of the movable positioning plate (3) and the first limiting mounting block (4) is movably connected with a third bolt (405).

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