Battery cell testing device for disassembling waste lithium battery

Abstract

The utility model discloses a cell testing device for disassembling a waste lithium battery. The cell testing device comprises a bracket, a material changing mechanism and a testing mechanism, a driver is fixed on the bracket; a battery cell groove for accommodating a battery cell is formed between every two adjacent baffles, and the driver is used for driving the rotating rod to rotate; the positive pole mounting rack and the negative pole mounting rack are arranged at the two ends of the baffle respectively, and a negative pole positioning groove is formed in the upper end of the negative pole mounting rack; a limiting sliding sleeve is fixed to the positive pole mounting frame, a wedge-shaped groove matched with the wedge-shaped block is formed in one end of the limiting sliding sleeve, and the positive pole mounting frame is connected with a tension spring; according to the invention, the detection of the battery cell is realized, the continuous detection operation is realized during reloading, manual loading and unloading are not needed, manpower and material resources are reduced, the structure is simple, the production cost and the maintenance cost are reduced, the operation is convenient, and the working efficiency is improved; and feeding and discharging do not interfere with each other, and continuous feeding and discharging operation can be achieved.

Description

Technical Field

[0001] The utility model belongs to the technical field of lithium battery detection, and in particular relates to a cell testing device for disassembling waste lithium batteries. Background Art

[0002] At present, new energy vehicles are replacing conventional vehicles that consume a lot of fossil energy. Electric vehicles are becoming more and more popular due to their advantages such as energy saving and environmental protection, low price and long range. With the increase in the number of electric vehicle users, more and more waste power batteries are generated. For electric vehicle power batteries that have reached the end of their service life (such as waste lithium batteries), although they have reached the end of their service life in electric vehicles, they often still have 80% of their available capacity and have high utilization value.

[0003] Chinese patent, publication date 2024-10-25 publication (announcement) number CN221899223U; discloses an intelligent battery cell testing device, including a shell, a limit cylinder and a battery cell body, the shell is provided with an elastic mechanism, the elastic mechanism is arranged on both sides of the limit cylinder to place the battery cell; one side of the shell is provided with a clamping mechanism for placing two test leads, the clamping mechanism includes a slot and two clamping plates, and the test leads are passed through the slots and into the lower part of the limit cylinder in the inner cavity of the shell; the utility model can place the battery cell whose voltage needs to be measured in the limit cylinder under the action of the elastic mechanism, and the limit cylinder is pressed into the inside of the shell with the weight of the battery cell, so that the red test lead and the black test lead are respectively in contact with the positive and negative poles of the battery cell, thereby measuring the voltage of the battery cell, eliminating the step of workers taking the red and blue test leads and contacting the positive and negative poles of the battery cell, greatly improving the efficiency of the test, and can quickly sort out the desired battery cell;

[0004] The above-mentioned existing technical solutions have the following defects: the battery cell whose voltage needs to be measured is placed in a limit cylinder for testing. This step requires manual loading and unloading, and the battery cell needs to be taken out after testing before the next battery cell can be placed. The loading and unloading operations are cumbersome and the battery cell detection efficiency is low. Utility Model Content

[0005] The present invention aims to solve the problem that manual loading and unloading is required in the prior art and the loading and unloading operations are cumbersome, and proposes the following technical solutions:

[0006] A cell testing device for disassembling waste lithium batteries, comprising: a bracket, a material replacement mechanism, and a testing mechanism;

[0007] The bracket is fixed with a driver; the material changing mechanism includes a rotating rod and a baffle, wherein a plurality of baffles are provided, and the plurality of baffles are annularly distributed on the surface of the rotating rod at equal intervals, and a cell slot for accommodating the battery cell is formed between two adjacent baffles, and the driver is used to drive the rotating rod to rotate;

[0008] The testing mechanism includes a positive electrode mounting frame and a negative electrode mounting frame, the positive electrode mounting frame and the negative electrode mounting frame are respectively arranged at both ends of the baffle, the upper end of the positive electrode mounting frame is provided with a positive electrode positioning groove, and the upper end of the negative electrode mounting frame is provided with a negative electrode positioning groove;

[0009] The positive electrode mounting frame is slidably connected to the bracket, a wedge-shaped block is fixed to one end of the rotating rod, a limiting sleeve is fixed to the positive electrode mounting frame, the limiting sleeve is arranged corresponding to the wedge-shaped block, a wedge-shaped groove is opened at one end of the limiting sleeve and is adapted to the wedge-shaped block, and the positive electrode mounting frame is connected to a tension spring.

[0010] As a preferred embodiment of the above technical solution, a feed hopper is installed on one side of the battery cell slot, and a lower hopper is installed on the other side of the battery cell slot, and the feed hopper and the lower hopper are both fixedly connected to the bracket; the feed hopper is provided to hold the battery cells that need to be tested, and the lower hopper is provided to receive the batteries after testing.

[0011] As a preferred embodiment of the above technical solution, the feed hopper is tilted, and the bottom of the feed hopper is tilted downward and docked with the battery cell slot, and the lower hopper is tilted, and the upper end of the lower hopper is tilted and docked with the battery cell slot; the feed hopper is provided to hold battery cells that need to be tested, and through the tilted setting, they can fall into the battery cell slot autonomously under the action of gravity, realizing continuous loading operation, without the need to take the battery cells one by one, and the lower hopper is provided to receive the batteries after testing, and through the tilted setting, guide the battery cells to fall into the collection container at the lower end.

[0012] As a preferred embodiment of the above technical solution, the driver is a motor, the motor is fixedly connected to the bracket, the driving shaft of the motor is coaxially fixedly connected to one end of the rotating rod, the positive electrode mounting frame is fixed with a connecting block, and the limiting sleeve is fixed on one side of the connecting block; the rotating rod is driven to rotate by the motor, and electrical control is used to accurately control the rotation angle, thereby reducing errors in manual operation and also reducing labor intensity.

[0013] As a preferred embodiment of the above technical solution, four baffles are provided to form four corresponding battery cell slots, and adjacent baffles are arranged perpendicular to each other. Four wedge-shaped slots are provided, and the wedge-shaped slots are arranged in one-to-one correspondence with the battery cell slots; four battery cell slots are provided, and the control motor pauses every 90° rotation to facilitate detection by the test lead, and during the rotation of the rotating rod, one side loads the material and the other side unloads the material without interfering with each other.

[0014] As a preferred embodiment of the above technical solution, the wedge-shaped block includes

[0015] A rotating shaft fixed to the rotating rod, wherein the limiting sliding sleeve is rotatably sleeved on the surface of the rotating shaft;

[0016] An oblique tooth-shaped protrusion fixed on the outer surface of the rotating shaft, the oblique tooth-shaped protrusion is arranged in cooperation with the wedge-shaped groove, the oblique tooth-shaped protrusion is annularly distributed on the outer surface of the rotating shaft, and the rotating shaft is provided with four;

[0017] The oblique tooth-shaped protrusion is in sliding contact with the wedge-shaped groove at the joint, so that the oblique tooth-shaped protrusion pushes the limiting sliding sleeve when the rotating rod rotates. After rotating 90°, the end point of the oblique tooth-shaped protrusion falls into the bottom of the wedge-shaped groove, causing the limiting sliding sleeve to reset under the pull of the tension spring.

[0018] As a preferred embodiment of the above technical solution, the detection meter can be a multimeter, the positive pole positioning groove and the negative pole positioning groove are coaxially arranged, the positive pole mounting frame is threadedly connected with a positive pole locking screw, and the negative pole mounting frame is threadedly connected with a negative pole locking screw. The set positive pole positioning groove can fix the positive pole probe of the multimeter by rotating the positive pole locking screw, and the set negative pole positioning groove can fix the negative pole probe of the multimeter by rotating the negative pole locking screw, which is convenient for disassembly and assembly, and convenient for replacing test equipment.

[0019] The beneficial effects of the utility model are:

[0020] The positive electrode mounting frame is slidably connected to the bracket, and the rotation of the rotating rod drives the wedge-shaped block fixed at the end to rotate. The rotation of the wedge-shaped block pushes the limiting sleeve fixed to the positive electrode mounting frame, so that the positive electrode mounting frame is pushed together to produce displacement. The displacement of the positive electrode mounting frame drives the positive electrode of the detection meter away from the end of the battery cell, and at the same time stretches the tension spring. After the rotating rod rotates a certain angle, when the battery cell slot carrying the battery cell falls into the detection area, the pushed limiting sleeve cooperates with the wedge-shaped block and resets under the tension of the tension spring, so that the positive pole of the detection meter contacts the battery cell again, and at the same time pushes the other end of the battery cell to contact the negative pole of the detection meter, thereby realizing the detection of the battery cell and realizing continuous detection operation while changing materials. There is no need for manual loading and unloading, which reduces manpower and material resources. The structure is simple, the production cost and maintenance cost are reduced, the operation is convenient, and the work efficiency is improved; and the loading and unloading do not interfere with each other, so continuous loading and unloading operations can be realized. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 The figure shows a schematic diagram of the three-dimensional structure of the battery cell testing device for disassembling waste lithium batteries in an embodiment;

[0022] Figure 2 What is shown is a schematic diagram of the three-dimensional structure of the testing mechanism in the embodiment;

[0023] Figure 3 Shown is a schematic diagram of the decomposition structure in the embodiment;

[0024] Figure 4 The figure shows a schematic diagram of the three-dimensional structure of the limiting sliding sleeve in the embodiment;

[0025] Figure 5 FIG. 1 shows a schematic diagram of the three-dimensional structure of the wedge-shaped block in the embodiment;

[0026] 1. The hopper is provided with a first gear and a second gear. The hopper is provided with a first gear and a second gear. The hopper is provided with a first gear and a second gear. The hopper is provided with a first gear and a second gear. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below in conjunction with the embodiments.

[0028] Example

[0029] Figures 1 to 5 A cell testing device for disassembling waste lithium batteries includes: a bracket 100, a material replacement mechanism 300, and a testing mechanism 500;

[0030] The bracket 100 is fixed with a driver 110; the material changing mechanism 300 includes a rotating rod 310 and a baffle 330, wherein a plurality of baffles 330 are provided, and the plurality of baffles 330 are annularly distributed at equal intervals on the surface of the rotating rod 310, and a battery cell slot 301 for accommodating a battery cell is formed between two adjacent baffles 330. The driver 110 is used to drive the rotating rod 310 to rotate;

[0031] The testing mechanism 500 includes a positive electrode mounting frame 510 and a negative electrode mounting frame 530. The positive electrode mounting frame 510 and the negative electrode mounting frame 530 are respectively arranged at both ends of the baffle 330. The upper end of the positive electrode mounting frame 510 is provided with a positive electrode positioning groove 511, and the upper end of the negative electrode mounting frame 530 is provided with a negative electrode positioning groove 531.

[0032] The positive electrode mounting frame 510 is slidably connected to the bracket 100, a wedge block 311 is fixed to one end of the rotating rod 310, and a limiting sleeve 515 is fixed to the positive electrode mounting frame 510. The limiting sleeve 515 is arranged corresponding to the wedge block 311, and a wedge groove is provided at one end of the limiting sleeve 515 to match the wedge block 311. The positive electrode mounting frame 510 is connected to a tension spring 550.

[0033] Figure 1What is shown is a specific embodiment of the present invention, which is a preferred embodiment of the above technical solution. A feed hopper 130 is installed on one side of the battery cell slot 301, and a lower hopper 150 is installed on the other side of the battery cell slot 301. The feed hopper 130 and the lower hopper 150 are both fixedly connected to the bracket 100; the feed hopper 130 is provided to hold the battery cells that need to be tested, and the lower hopper 150 is provided to receive the batteries after testing.

[0034] As a preferred embodiment of the above technical solution, the feed hopper 130 is tilted, and the bottom of the feed hopper 130 is tilted downward and docked with the battery cell slot 301. The lower hopper 150 is tilted, and the upper end of the lower hopper 150 is tilted and docked with the battery cell slot 301. The feed hopper 130 is set to hold the battery cells that need to be tested. Through the tilted setting, they can fall into the battery cell slot 301 autonomously under the action of gravity, realizing continuous loading operation without the need to pick up the battery cells one by one. The lower hopper 150 is set to receive the batteries after testing, and through the tilted setting, it guides the battery cells to fall into the collection container at the lower end.

[0035] Figures 1 to 4 What is shown is a specific embodiment of the present invention, which is a preferred embodiment of the above technical solution. The driver 110 is a motor, which is fixedly connected to the bracket 100. The driving shaft of the motor is coaxially fixedly connected to one end of the rotating rod 310. The positive electrode mounting frame 510 is fixed with a connecting block 517, and the limiting sleeve 515 is fixed on one side of the connecting block 517. The rotating rod 310 is driven to rotate by the motor, and electrical control is adopted to accurately control the rotation angle, thereby reducing errors in manual operation and reducing labor intensity.

[0036] As a preferred embodiment of the above technical solution, four baffles 330 are provided, corresponding to forming four battery cell slots 301, and adjacent baffles 330 are arranged perpendicular to each other, and four wedge-shaped slots are provided, and the wedge-shaped slots are arranged one-to-one corresponding to the battery cell slots 301; four battery cell slots 301 are provided, and the control motor pauses every 90° rotation to facilitate detection by the test lead, and during the rotation of the rotating rod 310, one side loads the material and the other side unloads the material without interfering with each other.

[0037] Figure 5 The figure shows a specific embodiment of the present invention, which is a preferred embodiment of the above technical solution. The wedge-shaped block 311 includes a rotating shaft 3111 fixed to the rotating rod 310, and an oblique tooth-shaped protrusion 3113 fixed to the outer surface of the rotating shaft 3111; the limiting sleeve 515 is rotatably sleeved on the surface of the rotating shaft 3111; the oblique tooth-shaped protrusion 3113 is arranged in conjunction with the wedge-shaped groove, and the oblique tooth-shaped protrusion 3113 is annularly distributed on the outer surface of the rotating shaft 3111, and the rotating shaft 3111 is provided with four;

[0038] The oblique tooth-shaped protrusion 3113 slides in contact with the wedge-shaped groove, so that when the rotating rod 310 rotates, the oblique tooth-shaped protrusion 3113 pushes the limiting sliding sleeve 515. After rotating 90°, the end point of the oblique tooth-shaped protrusion 3113 falls into the bottom of the wedge-shaped groove, causing the limiting sliding sleeve 515 to return to its original position under the pull of the tension spring 550.

[0039] Figure 3 What is shown is a specific embodiment of the present invention. As a preferred embodiment of the above technical solution, the test meter can be a multimeter. The positive pole positioning groove 511 and the negative pole positioning groove 531 are coaxially arranged. The positive pole mounting frame 510 is threadedly connected with the positive pole locking screw 513, and the negative pole mounting frame 530 is threadedly connected with the negative pole locking screw 533. The set positive pole positioning groove 511 can fix the positive pole probe of the multimeter by rotating the positive pole locking screw 513, and the set negative pole positioning groove 531 can fix the negative pole probe of the multimeter by rotating the negative pole locking screw 533, which is convenient for disassembly and assembly, and convenient for replacing test equipment.

[0040] As a preferred embodiment of the above technical solution, a support plate 170 is provided in the bracket 100, and the support plate 170 is slidably connected to the first rack 171 and the second rack 172. The lower end of the positive electrode mounting frame 510 is fixed to the first rack 171, and the lower end of the negative electrode mounting frame 530 is fixed to the second rack 172. The support plate 170 is rotatably mounted with a gear 173, and the first rack 171 and the second rack 172 are distributed and meshed with the gear 173. The first rack 171 and the second rack 172 are rotationally symmetrically arranged about the gear 173;

[0041] When the positive electrode mounting frame 510 is displaced, the first rack 171 is driven to slide, causing the second rack 172 to slide synchronously, and then driving the negative electrode mounting frame 530 to slide, so that the test poles at both ends are close to each other to clamp the ends of the battery cells, or move away from each other to facilitate the replacement of the battery cells, and avoid collision between the battery cells and the positive electrode mounting frame 510 and the negative electrode mounting frame 530.

[0042] As a preferred embodiment of the above technical solution, the negative electrode mounting frame 530 is slidably connected to the bracket 100 , one end of the tension spring 550 is fixed to the first rack 171 , and the other end of the tension spring 550 is fixed to the support plate 170 .

[0043] As a preferred embodiment of the above technical solution, the support plate 170 is slidably connected to the bracket 100, and a lifting mechanism 700 is installed at the bottom of the support plate 170; for different types of battery cells with different thicknesses, resulting in different heights of the positive pole, different types of batteries are replaced to adjust the heights of the battery cells and the positive pole mounting frame 510 and the negative pole mounting frame 530 to adapt to different types of battery cells.

[0044] As a preferred embodiment of the above technical solution, the lifting mechanism 700 includes a double-headed screw 710 and a connecting rod 730. The end of the double-headed screw 710 is rotatably connected to the bracket 100, and the lower end of the connecting rod 730 is hinged with a threaded sleeve 750. The threaded sleeve 750 is threadedly connected to the double-headed screw 710, and the upper end of the connecting rod 730 is hinged to the support plate 170; by rotating the double-headed screw 710, the threaded sleeve 750 is pushed to move, so that the connecting rod 730 pushes the support plate 170 to rise and fall.

[0045] As a preferred embodiment of the above technical solution, two connecting rods 730 are symmetrically arranged, the threaded sleeve 750 and the connecting rod 730 are arranged one-to-one correspondingly, and a knob 770 is coaxially fixed to one end of the double-headed screw 710, and the knob 770 is arranged on the outer surface of the bracket 100.

[0046] Working Principle: The positive electrode positioning slot 511 on the upper end of the positive electrode mounting frame 510 is used to fix the positive electrode of the test meter, and the negative electrode positioning slot 531 on the upper end of the negative electrode mounting frame 530 is used to install and fix the negative electrode of the test meter. The driver 110 drives the rotating rod 310 to rotate, driving the inner battery cell in the battery cell slot 301 to rotate to the detection area. The positive electrode mounting frame 510 and the negative electrode provided at both ends of the baffle 330 come into contact with both ends of the battery cell to perform the detection operation.

[0047] The positive electrode mounting frame 510 is slidably connected to the bracket 100, and the rotation of the rotating rod 310 drives the wedge-shaped block 311 fixed at the end to rotate. The rotation of the wedge-shaped block 311 pushes the limiting sleeve 515 fixed to the positive electrode mounting frame 510, so that the positive electrode mounting frame 510 is pushed together to produce displacement. The displacement of the positive electrode mounting frame 510 drives the positive pole of the detection meter away from the end of the battery cell, and at the same time stretches the tension spring 550. After the rotating rod 310 rotates a certain angle, when the battery cell slot 301 carrying the battery cell falls into the detection area, the pushed limiting sleeve 515 cooperates with the wedge-shaped block 311 and resets under the tension of the tension spring 550, so that the positive pole of the detection meter contacts the battery cell again, and at the same time pushes the other end of the battery cell to contact the negative pole of the detection meter, thereby realizing the detection of the battery cell and realizing continuous detection operation while changing materials. There is no need for manual loading and unloading, which reduces manpower and material resources. The structure is simple, the production cost and maintenance cost are reduced, the operation is convenient, and the work efficiency is improved.

[0048] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit the same.

Claims

1. A cell testing device for disassembling waste lithium batteries, characterized in that: include: A bracket (100), wherein a driver (110) is fixed to the bracket (100); A material changing mechanism (300), the material changing mechanism (300) comprising a rotating rod (310) and a baffle (330), wherein a plurality of baffles (330) are provided, the plurality of baffles (330) being annularly distributed at equal intervals on the surface of the rotating rod (310), a cell slot (301) for accommodating a cell is formed between two adjacent baffles (330), and the driver (110) is used to drive the rotating rod (310) to rotate; A testing mechanism (500), the testing mechanism (500) comprising a positive electrode mounting frame (510) and a negative electrode mounting frame (530), the positive electrode mounting frame (510) and the negative electrode mounting frame (530) being respectively arranged at two ends of the baffle (330), a positive electrode positioning groove (511) being provided at the upper end of the positive electrode mounting frame (510), and a negative electrode positioning groove (531) being provided at the upper end of the negative electrode mounting frame (530); The positive electrode mounting frame (510) is slidably connected to the bracket (100); a wedge-shaped block (311) is fixed to one end of the rotating rod (310); a limiting sliding sleeve (515) is fixed to the positive electrode mounting frame (510); the limiting sliding sleeve (515) is arranged corresponding to the wedge-shaped block (311); a wedge-shaped groove adapted to the wedge-shaped block (311) is opened at one end of the limiting sliding sleeve (515); and a tension spring (550) is connected to the positive electrode mounting frame (510).

2. The battery cell testing device for disassembling waste lithium batteries according to claim 1, characterized in that: A feed hopper (130) is installed on one side of the battery cell tank (301), and a lower hopper (150) is installed on the other side of the battery cell tank (301). Both the feed hopper (130) and the lower hopper (150) are fixedly connected to the bracket (100).

3. The battery cell testing device for disassembling waste lithium batteries according to claim 2, characterized in that: The feed hopper (130) is tilted, and the bottom of the feed hopper (130) tilted downward is docked with the battery cell tank (301); the lower hopper (150) is tilted, and the upper end of the lower hopper (150) is tilted and docked with the battery cell tank (301).

4. The battery cell testing device for disassembling waste lithium batteries according to claim 2, characterized in that: The driver (110) is a motor, the motor is fixedly connected to the bracket (100), the driving shaft of the motor is coaxially fixedly connected to one end of the rotating rod (310), the positive electrode mounting frame (510) is fixed with a connecting block (517), and the limiting sliding sleeve (515) is fixed to one side of the connecting block (517).

5. The battery cell testing device for disassembling waste lithium batteries according to claim 2, characterized in that: Four baffles (330) are provided, corresponding to forming four battery cell slots (301), and adjacent baffles (330) are arranged perpendicular to each other. Four wedge-shaped slots are provided, and the wedge-shaped slots are arranged in one-to-one correspondence with the battery cell slots (301).

6. A cell testing device for disassembling waste lithium batteries according to claim 2, characterized in that: The wedge-shaped block (311) includes A rotating shaft (3111) fixed to the rotating rod (310), wherein the limiting sliding sleeve (515) is rotatably sleeved on the surface of the rotating shaft (3111); An oblique tooth-shaped protrusion (3113) is fixed on the outer surface of the rotating shaft (3111), and the oblique tooth-shaped protrusion (3113) is arranged in cooperation with the wedge-shaped groove. The oblique tooth-shaped protrusion (3113) is distributed in an annular shape on the outer surface of the rotating shaft (3111), and the rotating shaft (3111) is provided with four.

7. The battery cell testing device for disassembling waste lithium batteries according to claim 2, characterized in that: The positive electrode positioning groove (511) and the negative electrode positioning groove (531) are coaxially arranged, the positive electrode mounting frame (510) is threadedly connected to the positive electrode locking screw (513), and the negative electrode mounting frame (530) is threadedly connected to the negative electrode locking screw (533).

Images