Clamp for testing sodium ion battery

Abstract

The utility model discloses a sodium ion battery test fixture, which comprises a support table, the top end of the support table is fixedly provided with a bottom clamping piece, the top end of the bottom clamping piece is hinged with a top clamping piece through a hinge, a feeding inclined plate is welded on the support table, the bottom of the feeding inclined plate is flush with the top of the bottom clamping piece, and the top of the bottom clamping piece is hinged with the top clamping piece through a hinge. Relates to the technical field of clamps for battery testing, a feeding inclined plate is arranged on a supporting table, after detection is completed, a battery in a bottom clamping piece is taken out, and the lowest battery on the feeding inclined plate automatically enters the bottom clamping piece, so that the placement of the battery is automatically completed, and the detection efficiency is improved; the driving mechanism is arranged to drive the two clamping assemblies to get close to each other or get away from each other, so that the battery can be effectively clamped, and detection is more convenient and efficient.

Description

Technical Field

[0001] The utility model relates to the technical field of battery testing fixtures, in particular to a sodium ion battery testing fixture. Background Art

[0002] Sodium-ion battery is a secondary battery (rechargeable battery) that mainly relies on the movement of sodium ions between the positive and negative electrodes to work, which is similar to the working principle of lithium-ion batteries.

[0003] The utility model patent with publication number CN220323393U discloses a fixture for testing sodium ion batteries, including a sodium ion battery body and a controller. The sodium ion battery body includes a positive electrode and a negative electrode. The sodium ion battery body is inserted into a first arc groove in a lower support plate. A connecting shaft is inserted into the lower support plate. The connecting shaft is fixedly connected to an upper pressing plate. A second arc groove is provided in the upper pressing plate. The second arc groove is in contact with the outer wall of the sodium ion battery body. The connecting shaft is fixedly connected to a clamping motor, and the clamping motor is fixedly mounted on the lower support plate.

[0004] The above patent has the following deficiencies:

[0005] When the tested battery is taken away, a new battery to be tested needs to be placed manually, so the operation remains unchanged, which will lead to low testing efficiency during large-scale testing. Utility Model Content

[0006] In view of the problems existing in the existing fixture for testing sodium ion batteries, the utility model is proposed.

[0007] Therefore, the purpose of the utility model is to provide a sodium ion battery testing fixture to solve the problem.

[0008] In order to solve the above technical problems, according to one aspect of the present invention, the present invention provides the following technical solutions:

[0009] A fixture for testing sodium ion batteries comprises a support platform, a bottom clamping piece is fixedly mounted on the top of the support platform, a top clamping piece is hingedly connected to the top of the bottom clamping piece via a hinge, a feed ramp is welded on the support platform, and the bottom of the feed ramp is flush with the top of the bottom clamping piece.

[0010] As a preferred solution of a sodium ion battery test fixture described in the utility model, wherein: a driving mechanism is installed on the support platform, and a first chuck and a second chuck are installed at both ends of the driving mechanism, a positive terminal is fixedly installed in the inner cavity of the first chuck, and a negative terminal is fixedly installed in the inner cavity of the second chuck;

[0011] Under the action of the driving mechanism, the first chuck and the second chuck move closer to or farther from each other.

[0012] As a preferred solution of a sodium ion battery testing fixture described in the utility model, wherein: the driving mechanism includes a servo motor installed on the bottom support leg of the support platform, the output shaft of the servo motor is connected to a screw rod through a coupling, the other end of the screw rod is rotatably connected to a bearing seat through a bearing, the bearing seat is installed on the bottom support leg of the support platform through bolts, two clamping assemblies are threadedly connected to the screw rod, and the first chuck and the second chuck are respectively installed on the two clamping assemblies.

[0013] As a preferred solution of the sodium ion battery testing fixture described in the utility model, wherein: the two clamping assemblies are respectively configured as a first clamping assembly and a second clamping assembly;

[0014] The first clamping assembly includes a first support rod threadedly connected to the screw rod, a first support tube is installed on the first support rod, and the first clamping plate is fixedly installed at the end of the first support tube;

[0015] The second clamping assembly includes a second support rod threadedly connected to the screw rod, a second support tube is installed on the second support rod, and the second clamping plate is fixedly installed on the end of the second support tube.

[0016] As a preferred solution of a sodium ion battery testing fixture described in the utility model, wherein: a first mounting ring is welded on the first chuck, one end of the first support tube is inserted into the first mounting ring, and the first mounting ring and the first support tube are fixed by bolts.

[0017] As a preferred solution of the sodium ion battery testing fixture described in the utility model, wherein: a second mounting ring is welded on the second chuck, one end of the second support tube is inserted into the second mounting ring, and the second mounting ring and the second support tube are fixed by bolts.

[0018] Compared with existing technologies:

[0019] 1. By setting a feeding inclined plate on the support table, after the inspection is completed, the battery in the bottom clamp is taken out, and the battery at the bottom of the feeding inclined plate automatically enters the bottom clamp, thereby automatically completing the placement of the battery, thereby improving the inspection efficiency;

[0020] 2. By setting a driving mechanism to drive the two clamping components to move closer to or away from each other, the battery can be effectively clamped, making the detection more convenient and efficient. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 A schematic diagram of the structure provided by the utility model;

[0022] Figure 2A cross-sectional view of two clamping assemblies provided by the utility model;

[0023] Figure 3 A top view of the support platform provided by the utility model;

[0024] Figure 4 A schematic diagram of the feeding inclined plate provided by the utility model during feeding;

[0025] Figure 5 This is a schematic diagram of the top clamping piece on the feeding rear cover of the feeding inclined plate provided by the utility model.

[0026] In the figure: support table 1, servo motor 3, feed ramp 4, bearing seat 5, first support rod 6, first chuck 7, first support tube 8, second support rod 9, second support tube 10, second chuck 11, screw rod 12, top clamp 13, first mounting ring 14, second mounting ring 15, positive terminal 17, negative terminal 18, bottom clamp 19, through hole 20. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical solutions and advantages of the present invention more clear, the implementation methods of the present invention will be further described in detail below with reference to the accompanying drawings.

[0028] The utility model provides a sodium ion battery test fixture, please refer to Figure 1-5 , including a support platform 1, a through hole 20 is opened on the support platform 1, a bottom clamping piece 19 is fixedly installed on the top of the support platform 1, and the top of the bottom clamping piece 19 is hinged with a top clamping piece 13 through a hinge, and a feeding inclined plate 4 is welded on the support platform 1, and the bottom of the feeding inclined plate 4 is flush with the top of the bottom clamping piece 19.

[0029] The support platform 1 is provided with a driving mechanism, and the first chuck 7 and the second chuck 11 are respectively provided at both ends of the driving mechanism, a positive terminal 17 is fixedly provided in the inner cavity of the first chuck 7, and a negative terminal 18 is fixedly provided in the inner cavity of the second chuck 11;

[0030] Under the action of the driving mechanism, the first chuck 7 and the second chuck 11 move closer to or farther from each other.

[0031] The driving mechanism includes a servo motor 3 installed on the bottom support leg of the support platform 1, the output shaft of the servo motor 3 is connected to a screw rod 12 through a coupling, the other end of the screw rod 12 is rotatably connected to a bearing seat 5 through a bearing, and the bearing seat 5 is installed on the bottom support leg of the support platform 1 through bolts. Two clamping assemblies are threadedly connected to the screw rod 12, and the first chuck 7 and the second chuck 11 are respectively installed on the two clamping assemblies.

[0032] The two clamping assemblies are respectively configured as a first clamping assembly and a second clamping assembly; the first clamping assembly includes a first support rod 6 threadedly connected to the screw rod 12, the first support rod 6 passes through the through hole 20, and the first support rod 6 is slidably connected to the inner wall of the through hole 20, a first support tube 8 is installed on the first support rod 6, and the first chuck 7 is fixedly installed at the end of the first support tube 8, specifically, a first mounting ring 14 is welded on the first chuck 7, one end of the first support tube 8 is inserted into the first mounting ring 14, the first mounting ring 14 and the first support tube 8 are fixed by bolts, and a through hole is provided on the first support tube 8, and a through hole is also provided on the first chuck 7, so that the wire connected to the positive terminal 17 passes through the through hole on the first support tube 8 to mix its inner cavity, and passes through the first chuck 7 to connect with the positive terminal 17; the second clamping assembly includes The screw rod 12 is threadedly connected to the second support rod 9, the second support rod 9 passes through the through hole 20, and the second support rod 9 is slidably connected to the inner wall of the through hole 20, and a second support tube 10 is installed on the second support rod 9, and the second chuck 11 is fixedly installed on the end of the second support tube 10. Specifically, a second mounting ring 15 is welded on the second chuck 11, one end of the second support tube 10 is inserted into the second mounting ring 15, and the second mounting ring 15 and the second support tube 10 are fixed by bolts; and a through hole is provided on the second support tube 10, and a through hole is also provided on the second chuck 11, so the wire connected to the negative terminal 18 passes through the through hole on the second support tube 10 to mix its inner cavity, and passes through the second chuck 11 to connect with the negative terminal 18; the two wires connecting the negative terminal 18 and the positive terminal 17 are two wires connected to the battery in the detection circuit.

[0033] During actual use, multiple batteries are placed on the feeding ramp 4, the top clamp 13 is opened, and under the action of the gravity of the batteries, the lowest battery enters the bottom clamp 19, and then the top clamp 13 is closed; the servo motor 3 is started to drive the screw 12 to rotate, so that the first support rod 6 and the second support rod 9 approach each other until the first clamp 7 and the second clamp 11 clamp the battery, at which time the positive terminal 17 and the negative terminal 18 are in contact with the two ends of the battery respectively; after the inspection is completed, the battery in the bottom clamp 19 is taken out, and the lowest battery on the feeding ramp 4 automatically enters the bottom clamp 19 again.

[0034] Although the present invention has been described above with reference to the embodiments, various modifications may be made thereto and parts thereof may be replaced with equivalents without departing from the scope of the present invention. In particular, as long as there is no structural conflict, the various features in the embodiments disclosed in the present invention may be used in combination with each other in any manner, and the fact that these combinations are not exhaustively described in this specification is only for the sake of omitting space and saving resources. Therefore, the present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A sodium ion battery testing fixture, comprising a support platform (1), a bottom clamping member (19) being fixedly mounted on the top of the support platform (1), a top clamping member (13) being hingedly connected to the top of the bottom clamping member (19) via a hinge, characterized in that: A feed inclined plate (4) is welded on the support platform (1), and the bottom of the feed inclined plate (4) is flush with the top of the bottom clamping piece (19); A driving mechanism is installed on the support platform (1), and a first chuck (7) and a second chuck (11) are installed at both ends of the driving mechanism respectively; a positive electrode terminal (17) is fixedly installed in the inner cavity of the first chuck (7), and a negative electrode terminal (18) is fixedly installed in the inner cavity of the second chuck (11); Under the action of the driving mechanism, the first chuck (7) and the second chuck (11) move closer to or farther from each other.

2. A sodium ion battery testing fixture according to claim 1, characterized in that: The driving mechanism comprises a servo motor (3) mounted on a bottom support leg of a support platform (1); an output shaft of the servo motor (3) is connected to a screw rod (12) via a coupling; the other end of the screw rod (12) is rotatably connected to a bearing seat (5) via a bearing; the bearing seat (5) is mounted on the bottom support leg of the support platform (1) via bolts; two clamping assemblies are threadedly connected to the screw rod (12); the first chuck (7) and the second chuck (11) are respectively mounted on the two clamping assemblies.

3. A sodium ion battery testing fixture according to claim 2, characterized in that: The two clamping assemblies are respectively arranged as a first clamping assembly and a second clamping assembly; The first clamping assembly comprises a first support rod (6) threadedly connected to the screw rod (12), a first support tube (8) being mounted on the first support rod (6), and the first clamping plate (7) being fixedly mounted on the end of the first support tube (8); The second clamping assembly comprises a second support rod (9) threadedly connected to a screw rod (12), a second support tube (10) being mounted on the second support rod (9), and the second clamping plate (11) being fixedly mounted on the end of the second support tube (10).

4. A sodium ion battery testing fixture according to claim 3, characterized in that: A first mounting ring (14) is welded to the first chuck (7), one end of the first support tube (8) is inserted into the first mounting ring (14), and the first mounting ring (14) and the first support tube (8) are fixed by bolts.

5. A sodium ion battery testing fixture according to claim 3, characterized in that: A second mounting ring (15) is welded to the second chuck (11), one end of the second support tube (10) is inserted into the second mounting ring (15), and the second mounting ring (15) and the second support tube (10) are fixed by bolts.

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