Multi-station battery cell test trolley capable of rapidly clamping

Abstract

The utility model discloses a multi-station battery cell test trolley capable of quickly clamping, which belongs to the field of battery cell test and comprises a trolley body. The vehicle body is provided with a variable-pitch clamping mechanism used for carrying out variable-pitch clamping on a plurality of battery cells needing to be tested. The variable-pitch clamping mechanism comprises a clamping assembly and a variable-pitch assembly; a centering, clamping and fixing mechanism for automatically centering, clamping and fixing a to-be-tested battery cell in the device is mounted on the vehicle body; a group of centering, clamping and fixing mechanisms are mounted on each test station; a moving mechanism for moving the device is mounted at the lower end of the vehicle body; the vehicle body is provided with battery cell testing assemblies used for testing battery cells, and each testing station is provided with a group of battery cell testing assemblies; according to the mode, multi-station detection is adopted, a plurality of battery cells which are placed at a short distance can be clamped at a time, and the battery cells are respectively conveyed to detection stations through variable-pitch clamping.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of electric core test, concretely relates to a multi-station electric core test trolley that can be clamped fast. BACKGROUND

[0002] With the rapid expansion of the new energy automobile market, automobile manufacturers and battery suppliers are extremely strict in controlling the performance and quality of electric cores, and a large number of advanced test equipment is needed for research and development and production detection, at the same time, the increasing demand for energy storage systems, large-scale application of renewable energy, and upgrading of consumer electronic products all promote the continuous rise of market demand for electric core test trolleys.

[0003] Chinese patent CN215263928U discloses an electric core testing machine, which comprises a box body, a conveying device, a detection assembly and a detection table assembly, the box body comprises a storage cabinet, the top of the storage cabinet is provided with a working chamber, the conveying device is installed on the top of the working chamber, the detection assembly is arranged above the working chamber, the detection table assembly is installed on the top of the working chamber, the detection assembly comprises a mounting frame, the mounting frame is fixedly installed on the top of the working chamber, a guide rail one is installed on the top of the mounting frame, the left end of the guide rail one is connected with the left inner wall of the working chamber, a linear motor is fixedly installed on the right side end of the guide rail one, and a positioning frame is installed on the outer wall of the guide rail one, the utility model cooperates with the guide rail two, the guide rail three and the cylinder two, which can conveniently and flexibly control the detection of the detection plate on the battery, and the sliding table driven by the linear motor two can move along the sliding rail, so that the rapid detection is facilitated, and the working efficiency is improved.

[0004] 1. Only one battery can be detected at a time, and the batteries placed close together still need to be placed one by one by the operator;

[0005] 2. There is no mechanism for positioning the electric core when testing the electric core, and the inaccurate positioning of the electric core when conveyed to the detection station may cause the test to fail.

[0006] Therefore, the utility model designs a multi-station electric core test trolley that can be clamped fast to solve the above problems. UTILITY MODEL CONTENTS

[0007] In view of the above shortcomings of the prior art, the utility model provides a multi-station electric core test trolley that can be clamped fast.

[0008] To achieve the above purpose, the utility model realizes the following technical scheme:

[0009] A multi-station electric core test trolley that can be clamped fast, comprising a trolley body;

[0010] The vehicle body is provided with a variable distance clamping mechanism for clamping and moving a plurality of battery cells to be tested.

[0011] The variable distance clamping mechanism comprises a clamping assembly and a variable distance assembly; the clamping assembly and the vehicle body are connected with the variable distance assembly; the clamping assembly is connected with the vehicle body, and is used for clamping and moving the battery cells to be tested; and the variable distance assembly is used for clamping and moving the battery cells clamped by the clamping assembly.

[0012] The vehicle body is provided with a centering clamping and fixing mechanism for automatically centering, clamping and fixing the battery cells to be tested in the device; and each test station is provided with a set of centering clamping and fixing mechanisms.

[0013] The lower end of the vehicle body is provided with a moving mechanism for moving the device.

[0014] The vehicle body is provided with a battery cell testing assembly for testing the battery cells; and each test station is provided with a set of battery cell testing assemblies; the battery cell testing assembly comprises a test cylinder, a push plate and electrode heads; the lower end of the test cylinder is fixedly connected with the vehicle body; the driving end of the test cylinder is fixedly connected with one end of the push plate; the other end of the push plate is fixedly connected with the two electrode heads; and the electrode heads are connected with an analysis and recording device through wires.

[0015] Further, the clamping assembly comprises a linear module, a pneumatic clamping jaw, a fixed plate and a cylinder; the upper end of the linear module is fixedly connected with the upper end of the vehicle body; the upper ends of the fixed plate and the cylinder are fixedly connected with the moving end of the linear module; the right end of the fixed plate is fixedly connected with the cylinder; the lower ends of the fixed plate and the cylinder are connected with the variable distance assembly; the pneumatic clamping jaw is located below the fixed plate; and the pneumatic clamping jaw is connected with the variable distance assembly.

[0016] Further, the variable distance assembly comprises a variable distance plate, a sliding rail one, a sliding block one, a sliding rail two, a sliding block two and a bearing; the upper end of the variable distance plate is fixedly connected with the upper end of the vehicle body; the variable distance plate is located below the linear module; the driving end of the cylinder is fixedly connected with the sliding rail one through a connecting plate; the sliding rail one is slidingly connected with the sliding rail two fixedly installed on the fixed plate through the sliding block two fixedly installed on the connecting plate; the lower end of the sliding rail one is limitingly and slidingly connected with a plurality of sliding blocks one; a plurality of variable distance grooves are formed in the variable distance plate, and the number of the variable distance grooves is the same as that of the sliding blocks one; the lower ends of the sliding blocks one are fixedly connected with the pneumatic clamping jaw through connecting shafts penetrating through the variable distance grooves; the connecting shafts are rotationally connected with the bearings; and the bearings are rollingly connected with the variable distance grooves.

[0017] Further, the centering clamping and fixing mechanism comprises a placing support assembly and a centering clamping assembly; the placing support assembly and the centering clamping assembly are connected with the vehicle body; a plurality of centering clamping assemblies are circumferentially arranged around the placing support assembly; the placing support assembly is used for placing the battery cells to be tested; and the centering clamping assembly is used for centering and clamping the battery cells to be tested.

[0018] Further, the placing support assembly comprises a placing block, a spring and an abutting block; the placing block is in limit sliding connection with the avoiding groove formed on the vehicle body; the placing block is connected with the centering and clamping assembly; the lower end of the placing block is fixedly connected with one end of the spring; the other end of the spring is fixedly connected with the vehicle body.

[0019] Further, the centering and clamping assembly comprises a clamping block, a push rod, a rotating shaft and a sliding shaft; the clamping block is in sliding connection with the vehicle body; the clamping block is in sliding connection with the placing block; two limit sliding grooves are formed on the clamping block; the inner sides of the two limit sliding grooves are in limit sliding connection with the sliding shaft respectively; the sliding shaft is rotatably connected with one end of the push rod; the other end of the push rod is in abutment with the lower end of the placing block; the rotating shaft is fixedly connected with the vehicle body; the middle position of the push rod is rotatably connected with the rotating shaft through a bearing.

[0020] Further, the moving mechanism comprises four universal wheels; the four universal wheels are centrally and symmetrically distributed on the inner bottom surface of the vehicle body; the universal wheels are fixedly connected with the vehicle body; the four universal wheels drive the device to move in cooperation.

[0021] Further, the clamping surface of the clamping block is detachably replaced with different clamping shapes according to different shapes of the battery cell.

[0022] Compared with the prior art, the utility model has the advantages that: 1, the utility model discloses a multi-station detection, and the battery cell with a close distance can still be clamped in multiple and sent to the detection station through the variable distance clamping respectively.

[0023] 2, the detection station is provided with a centering and clamping mechanism, and the battery cell is positioned and clamped again to prevent the position of the battery cell from deviating. DRAWINGS

[0024] 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 following embodiment or prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can also be obtained according to these drawings without creating labor for those skilled in the art.

[0025] Figure 1 It is a perspective view of the multi-station battery cell test trolley of the utility model that can be quickly clamped Figure 1 ;

[0026] Figure 2 It is a front view of the multi-station battery cell test trolley of the utility model that can be quickly clamped;

[0027] Figure 3 It is a left view of the multi-station battery cell test trolley of the utility model that can be quickly clamped;

[0028] Figure 4 A part of the perspective view is cut along the B-B direction of the utility model Figure 3 of the utility model is shown in the enlarged view of A;

[0029] Figure 5 of the utility model is shown in the enlarged view of A; Figure 1 of the utility model is shown in the enlarged view of A;

[0030] Figure 6 of the utility model is shown in the enlarged view of A; Figure 4 of the utility model is shown in the enlarged view of A;

[0031] Figure 7 of the utility model is shown in the perspective view of the battery cell testing assembly after removing part of the shell.

[0032] The reference numerals in the drawings represent respectively:

[0033] 1, vehicle body; 2, variable distance clamping mechanism; 21, clamping assembly; 211, linear module; 212, pneumatic clamping jaw; 213, fixed plate; 214, air cylinder; 22, variable distance assembly; 221, variable distance plate; 222, sliding rail one; 223, sliding block one; 224, variable distance groove; 225, sliding rail two; 226, sliding block two; 227, bearing; 3, centering clamping fixing mechanism; 31, placing support assembly; 311, placing block; 312, spring; 313, abutting block; 32, centering clamping assembly; 321, clamping block; 322, limiting sliding groove; 323, push rod; 324, rotating shaft; 325, sliding shaft; 4, moving mechanism; 41, universal wheel; 5, battery cell testing assembly; 51, testing air cylinder; 52, push plate; 53, electrode head. DETAILED DESCRIPTION

[0034] 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 will be described clearly and completely below in combination with the drawings in the embodiments of the utility model. 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 those skilled in the art without creative labor fall within the protection scope of the utility model.

[0035] In the following description, "left", "right", "front", "rear", "upper", "lower" are oriented in the perspective view.

[0036] Embodiment one: in some embodiments, referring to the Figures 1-7 , a multi-station battery cell testing trolley capable of rapid clamping comprises a vehicle body 1;

[0037] A variable distance clamping mechanism 2 for variable distance clamping of a plurality of battery cells needing to be tested is installed on the vehicle body 1;

[0038] The variable-distance clamping mechanism 2 comprises a clamping assembly 21 and a variable-distance assembly 22; the clamping assembly 21 and the vehicle body 1 are connected with the variable-distance assembly 22; the clamping assembly 21 is connected with the vehicle body 1, and is used for clamping and moving the battery to be tested; and the variable-distance assembly 22 is used for variable-distance of the battery clamped by the clamping assembly 21;

[0039] The vehicle body 1 is provided with a centering clamping and fixing mechanism 3 for automatically centering, clamping and fixing the battery to be tested in the device; and each test station is provided with a group of centering clamping and fixing mechanisms 3;

[0040] The lower end of the vehicle body 1 is provided with a moving mechanism 4 for moving the device;

[0041] The vehicle body 1 is provided with a battery testing assembly 5 for testing the battery; and each test station is provided with a group of battery testing assemblies 5; the battery testing assembly 5 comprises a test cylinder 51, a push plate 52 and electrode heads 53; the lower end of the test cylinder 51 is fixedly connected with the vehicle body 1; the driving end of the test cylinder 51 is fixedly connected with one end of the push plate 52; the other end of the push plate 52 is fixedly connected with the two electrode heads 53; and the electrode heads 53 are connected with an analysis and recording device through wires;

[0042] In the utility model, the operator pushes the device to the side of the battery placement point through the moving mechanism 4, and then the clamping assembly 21 starts to clamp the multiple batteries to be tested; the spacing of each station during the battery testing is greater than the spacing of the batteries during placement; the variable-distance assembly 22 is used for adjusting the spacing of the multiple batteries, so that the clamping assembly 21 can accurately place the clamped multiple batteries on each station; after the battery is placed on the test station, the centering clamping and fixing mechanism 3 on each station automatically centers, clamps and fixes the battery to be tested on the station, so as to prevent the battery displacement caused by the incorrect or shaking placement of the battery from affecting the testing; then the test cylinder 51 pushes the push plate 52 to push the electrode heads 53 used for testing to the battery electrode to connect with the battery electrode, so as to test the battery.

[0043] The clamping assembly 21 comprises a linear module 211, a pneumatic clamping jaw 212, a fixed plate 213 and a cylinder 214; the linear module 211 is fixedly connected with the upper end of the vehicle body 1; the upper ends of the fixed plate 213 and the cylinder 214 are fixedly connected with the moving end of the linear module 211; the right end of the fixed plate 213 is fixedly connected with the cylinder 214; the lower ends of the fixed plate 213 and the cylinder 214 are connected with the variable-distance assembly 22; the pneumatic clamping jaw 212 is located below the fixed plate 213; and the pneumatic clamping jaw 212 is connected with the variable-distance assembly 22;

[0044] The variable distance assembly 22 comprises a variable distance plate 221, a slide rail one 222, a slide block one 223, a slide rail two 225, a slide block two 226 and a bearing 227; the variable distance plate 221 is fixedly connected with the upper end of the vehicle body 1 and is located below the linear module 211; the driving end of the air cylinder 214 is fixedly connected with the slide rail one 222 through a connecting plate, the slide rail one 222 is slidably connected with the slide rail two 225 fixedly installed on the fixed plate 213 through the slide block two 226 fixedly installed on the connecting plate; the lower end of the slide rail one 222 is limitingly and slidably connected with a plurality of slide blocks one 223, a plurality of variable distance grooves 224 are formed in the variable distance plate 221 and are in the same number as the slide blocks one 223; the lower side of each slide block one 223 is fixedly connected with the pneumatic clamp jaw 212 through a connecting shaft penetrating through the variable distance groove 224; the connecting shaft is rotatably connected with the bearing 227, and the bearing 227 is rollingly connected with the variable distance groove 224.

[0045] In the utility model, the linear module 211 drives a plurality of pneumatic clamp jaws 212 to move above the battery to be tested, the cylinder 214 drives the slide rail one 222 to limitably slide downward on the fixed plate 213 through the slide rail two 225 and the slide block two 226, then each pneumatic clamp jaw 212 clamps one battery to be tested respectively, the driving end of the cylinder 214 resets upward, the linear module 211 drives the slide rail one 222 to move to the left end through the fixed plate 213 and the cylinder 214, the slide block one 223 drives the pneumatic clamp jaw 212 to limitably slide on the slide rail one 222 under the action of the lower end connecting shaft and the variable distance groove 224, so that when the driving end of the linear module 211 drives a plurality of pneumatic clamp jaws 212 to be above the test station, the distance between the pneumatic clamp jaws 212 is just the same as the distance between the test stations, the battery to be tested is just above the test station, then the cylinder 214 drives the slide rail one 222 to limitably slide downward on the fixed plate 213, and the pneumatic clamp jaw 212 places the clamped battery on the test station; the driving end of the cylinder 214 resets upward; then the battery testing assembly 5 tests the battery.

[0046] The centering clamping fixing mechanism 3 comprises a placing support assembly 31 and a centering clamping assembly 32, the placing support assembly 31 and the centering clamping assembly 32 are connected with the vehicle body 1, a plurality of centering clamping assemblies 32 are arranged in a circumferential array around the placing support assembly 31, the placing support assembly 31 is used for placing the battery to be tested, and the centering clamping assembly 32 is used for centering and clamping the battery to be tested;

[0047] The placing support assembly 31 comprises a placing block 311, a spring 312 and an abutting block 313; the placing block 311 is limitingly and slidably connected with the avoiding groove formed in the vehicle body 1; the placing block 311 is connected with the centering clamping assembly 32, one end of the placing block 311 is fixedly connected with the spring 312, and the other end of the spring 312 is fixedly connected with the vehicle body 1;

[0048] The centering and clamping assembly 32 comprises a clamping block 321, a push rod 323, a rotating shaft 324 and a sliding shaft 325; the clamping block 321 is in sliding connection with the vehicle body 1, and the clamping block 321 is in sliding connection with the placing block 311; two limiting sliding grooves 322 are formed in the clamping block 321; the inner side of each of the two limiting sliding grooves 322 is in limiting sliding connection with a sliding shaft 325, the sliding shaft 325 is in rotating connection with one end of the push rod 323, the other end of the push rod 323 is in abutment with the lower end of the placing block 311; the rotating shaft 324 is fixedly connected with the vehicle body 1, and the middle position of the push rod 323 is in rotating connection with the rotating shaft 324 through a bearing;

[0049] In the utility model, when the pneumatic clamping jaw 212 places the battery to be tested on the placing block 311, the placing block 311 is in abutment with the abutment block 313 after being slid downward to compress the spring 312, and simultaneously the placing block 311 pushes the push rod 323 downward to rotate around the rotating shaft 324, the push rod 323 is driven to rotate to push the clamping block 321 to move towards the placing block 311, and simultaneously the sliding shaft 325 slides in the limiting sliding groove 322; when the battery is placed down, the four clamping blocks 321 at the four ends of the placing block 311 are simultaneously clamped to the battery to realize centering and clamping; after the test is completed, the pneumatic clamping jaw 212 clamps the battery, the spring 312 pushes the placing block 311 to reset, and the placing block 311 drives the push rod 323 and the clamping block 321 to reset.

[0050] The moving mechanism 4 comprises four universal wheels 41, the four universal wheels 41 are centrally and symmetrically distributed on the inner bottom surface of the vehicle body 1, and the universal wheels 41 are fixedly connected with the vehicle body 1; the four universal wheels 41 drive the device to move in cooperation.

[0051] The clamping surface of the clamping block 321 can be disassembled and replaced according to different shapes of the battery, such as an arc shape, and can be used for testing batteries of different shapes.

[0052] The above embodiments are only used to illustrate the technical solutions of the utility model, and not to limit them; although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced equivalently; and these modifications or replacements will not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the utility model.

Claims

1. A multi-station battery cell test trolley capable of rapid clamping, comprising a trolley body (1), characterized in that: It also includes a variable distance clamping mechanism (2), a centering clamping and fixing mechanism (3), a moving mechanism (4) and a battery testing assembly (5); The vehicle body (1) is provided with a variable distance clamping mechanism (2) for clamping a plurality of batteries to be tested at a variable distance; The variable distance clamping mechanism (2) comprises a clamping assembly (21) and a variable distance assembly (22); the clamping assembly (21) and the vehicle body (1) are connected with the variable distance assembly (22); the clamping assembly (21) is connected with the vehicle body (1), and the clamping assembly (21) is used for clamping and moving the battery to be tested, and the variable distance assembly (22) is used for changing the distance of the battery clamped by the clamping assembly (21); The vehicle body (1) is provided with a centering clamping and fixing mechanism (3) for automatically centering, clamping and fixing the battery to be tested in the device; a group of centering clamping and fixing mechanisms (3) are installed on each test station; The lower end of the vehicle body (1) is provided with a moving mechanism (4) for moving the device; The vehicle body (1) is provided with a battery testing assembly (5) for testing the battery; a group of battery testing assemblies (5) are installed on each test station; the battery testing assembly (5) comprises a test cylinder (51), a push plate (52) and an electrode head (53); the lower end of the test cylinder (51) is fixedly connected with the vehicle body (1), the driving end of the test cylinder (51) is fixedly connected with one end of the push plate (52), the other end of the push plate (52) is fixedly connected with two electrode heads (53), and the electrode heads (53) are connected with an analysis recording device through wires.

2. The fast clippable multi-station cell test dolly of claim 1, wherein, The clamping assembly (21) comprises a linear module (211), a pneumatic clamping jaw (212), a fixed plate (213) and a cylinder (214); the linear module (211) is fixedly connected with the upper end of the vehicle body (1), the upper ends of the fixed plate (213) and the cylinder (214) are fixedly connected with the moving end of the linear module (211), the right end of the fixed plate (213) is fixedly connected with the cylinder (214), the lower ends of the fixed plate (213) and the cylinder (214) are connected with the variable distance assembly (22), the pneumatic clamping jaw (212) is located below the fixed plate (213), and the pneumatic clamping jaw (212) is connected with the variable distance assembly (22).

3. The fast clippable multi-station cell test dolly of claim 2, wherein, The variable distance assembly (22) comprises a variable distance plate (221), a sliding rail I (222), a sliding block I (223), a sliding rail II (225), a sliding block II (226) and a bearing (227); the variable distance plate (221) is fixedly connected with the upper end of the vehicle body (1), and is located below the linear module (211); the driving end of the air cylinder (214) is fixedly connected with the sliding rail I (222) through a connecting plate, the sliding rail I (222) is slidingly connected with the sliding rail II (225) fixedly installed on the fixed plate (213) through the sliding block II (226) fixedly installed on the connecting plate; the lower end of the sliding rail I (222) is limitingly and slidingly connected with a plurality of sliding blocks I (223), and a plurality of variable distance grooves (224) are formed in the variable distance plate (221) and are in number same as that of the sliding blocks I (223); the lower side of each sliding block I (223) is fixedly connected with the pneumatic clamping jaw (212) through a connecting shaft penetrating through the variable distance groove (224); the connecting shaft is rotatably connected with the bearing (227), and the bearing (227) is rollingly connected with the variable distance groove (224).

4. The fast grippable multi-station cell test dolly of claim 1, wherein, The centering clamping fixing mechanism (3) comprises a placing support assembly (31) and a centering clamping assembly (32), and the placing support assembly (31) and the centering clamping assembly (32) are connected with the vehicle body (1); a plurality of centering clamping assemblies (32) are arranged in a circumferential array around the placing support assembly (31); the placing support assembly (31) is used for placing the battery to be tested; and the centering clamping assembly (32) is used for centering clamping the battery to be tested.

5. The fast clippable multi-station cell test dolly of claim 4, wherein, The placing support assembly (31) comprises a placing block (311), a spring (312) and an abutting block (313); the placing block (311) is limitingly and slidingly connected with the avoiding groove formed in the vehicle body (1); the placing block (311) is connected with the centering clamping assembly (32); and one end of the placing block (311) is fixedly connected with one end of the spring (312), and the other end of the spring (312) is fixedly connected with the vehicle body (1).

6. The fast clippable multi-station cell test dolly of claim 5, wherein, The centering clamping assembly (32) comprises a clamping block (321), a push rod (323), a rotating shaft (324) and a sliding shaft (325); the clamping block (321) is slidingly connected with the vehicle body (1) and the placing block (311); two limiting sliding grooves (322) are formed in the clamping block (321); the inner sides of the two limiting sliding grooves (322) are limitingly and slidingly connected with one sliding shaft (325) respectively; one end of the sliding shaft (325) is rotatably connected with the push rod (323); the other end of the push rod (323) is in abutment with the lower end of the placing block (311); the rotating shaft (324) is fixedly connected with the vehicle body (1); and the middle position of the push rod (323) is rotatably connected with the rotating shaft (324) through a bearing.

7. The fast grippable multi-station cell trolley of claim 1, wherein, The moving mechanism (4) comprises four universal wheels (41) which are centrally and symmetrically distributed on the inner bottom surface of the vehicle body (1) and are fixedly connected with the vehicle body (1); and the four universal wheels (41) drive the device to move in cooperation.

8. The fast grippable multi-station cell test dolly of claim 6, wherein, The clamping surface of the clamping block (321) is detachably replaced with different clamping shapes according to different shapes of the battery.

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