Polymer cell acupuncture test device

Abstract

The utility model discloses a polymer cell acupuncture test device which comprises a base, four corners of the top of the base are fixedly connected with supporting columns, the tops of the four supporting columns are fixedly connected with the same workbench, the top of the workbench is provided with a through groove, the top of the base is fixedly provided with a motor, and the motor is fixedly connected with the through groove. The top of the base is rotatably connected with a threaded sleeve, a transmission assembly is arranged outside the threaded sleeve, and a lifting assembly is arranged inside the threaded sleeve, through the arrangement of the structure, when an acupuncture experiment is carried out on a battery cell, the battery cell can be covered with a transparent anti-explosion shell, acupuncture is prevented from penetrating through the battery cell, and the battery cell is prevented from being damaged. According to the invention, the defects that the battery cell with low safety is on fire and explodes, and the battery cell on fire and explodes causes damage to the body of a worker are overcome, and meanwhile, when the worker installs the battery cell, the transparent explosion-proof shell can be lifted to a high position and rotated to one side, so that the operation of the worker is not hindered, and the use of the worker is greatly facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of polymer battery cores, in particular to a polymer battery core needle puncture test device. Background Art

[0002] Polymer cells are also a component of lithium-ion batteries. The composition of lithium-ion secondary rechargeable batteries is as follows: cells + protective circuit boards. In the safety test of polymer cells, needles will be used to penetrate the cells to observe whether the cells have fire, explosion or leakage.

[0003] When conducting a needle puncture test on a battery cell, the battery cell with low safety may catch fire and explode due to the needle puncturing the battery cell. If the staff is not protected, the battery cell may cause injuries to the staff when it catches fire or explodes. It is not safe and inconvenient for the staff to use. For this reason, we have proposed a polymer battery cell needle puncture test device. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a polymer battery core puncture test device for solving the above problems.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A polymer battery cell needle puncture test device comprises a base, support columns are fixedly connected at the four corners of the top of the base, the tops of the four support columns are fixedly connected to the same workbench, a through slot is opened on the top of the workbench, a motor is fixedly installed on the top of the base, a threaded sleeve is rotatably connected to the top of the base, a transmission assembly is arranged on the outside of the threaded sleeve, a lifting assembly is arranged on the inside of the threaded sleeve, a limiting assembly is arranged on the top of the base, a movable plate is arranged on the top of the workbench, a protective assembly is arranged on the top of the movable plate, a needle puncture assembly is arranged on the top of the workbench, and a fixing assembly is arranged on the top of the workbench.

[0007] Preferably, the transmission assembly includes a rotating shaft fixedly connected to the output end of the motor, a driving gear is fixedly connected to the top of the rotating shaft, a driven gear is fixedly sleeved on the outside of the threaded sleeve, and the driving gear and the driven gear are meshingly connected.

[0008] Preferably, the lifting assembly comprises a threaded rod threadedly connected to the inside of the threaded sleeve, and the top of the threaded rod is arranged on the bottom of the movable plate.

[0009] Preferably, the position limiting assembly comprises two symmetrically distributed telescopic sleeves fixedly connected to the top of the base, the interiors of the two telescopic sleeves are slidably connected with telescopic rods, and the tops of the two telescopic rods are fixedly connected to the bottom of the movable plate.

[0010] Preferably, the protection component comprises a damping shaft rotatably connected to the top of the movable plate, the top of the damping shaft is fixedly connected to a connecting plate, and the bottom of the connecting plate is fixedly connected to a transparent explosion-proof shell.

[0011] Preferably, the acupuncture assembly comprises a fixing plate fixedly connected to the top of the workbench, an electric push rod is fixedly mounted on one side of the fixing plate, and an output end of the electric push rod is fixedly connected to a steel needle.

[0012] Preferably, the fixing assembly includes two symmetrically distributed fixing frames fixedly connected to the top of the workbench, and cylinders are fixedly installed on the top of the two fixing frames. The cylinders extend to the inside of the fixing frames, and the output ends of the cylinders are fixedly connected to an arc plate.

[0013] Compared with the prior art, the utility model has the following beneficial effects: by starting the cylinder, the arc plate is driven to move, the arc plate is in contact with the battery cell, the battery cell is clamped and fixed, the motor is started, the shaft rotates, the driving gear rotates, the driven gear rotates, the threaded sleeve rotates, the threaded rod moves while rotating, the moving plate moves, the telescopic rod slides inside the telescopic sleeve, the damping shaft, the connecting plate, and the transparent explosion-proof shell move, the transparent explosion-proof shell covers the workbench, and the transparent explosion-proof shell can be rotated by the damping shaft, so that the transparent explosion-proof shell can be rotated to the position where the worker installs the battery cell. By starting the electric push rod, the steel needle moves, and then the steel needle can perform a puncture test on the battery cell. By setting the above structure, the battery cell can be covered inside the transparent explosion-proof shell when the acupuncture test is performed on the battery cell, thereby avoiding the needle puncturing the battery cell. The battery cell with low safety may catch fire and explode, and the battery cell that catches fire and explodes may cause damage to the body of the staff. At the same time, when the staff installs the battery cell, the transparent explosion-proof shell can be raised to a high place and rotated to the side, which will not hinder the staff's operation and greatly facilitates the use of the staff. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0015] Figure 2 It is a schematic diagram of the structure of the utility model in cross section;

[0016] Figure 3 It is a schematic diagram of the structure of a partial section of the utility model.

[0017] In the figure: 1. base; 2. support column; 3. workbench; 4. through slot; 5. threaded sleeve; 6. motor; 7. rotating shaft; 8. driving gear; 9. driven gear; 10. telescopic sleeve; 11. telescopic rod; 12. threaded rod; 13. moving plate; 14. damping rotating shaft; 15. connecting plate; 16. transparent explosion-proof shell; 17. fixing plate; 18. electric push rod; 19. steel needle; 20. fixing frame; 21. cylinder; 22. arc plate. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] Example: Refer to Figure 1-3 A polymer battery cell puncture test device comprises a base 1, support columns 2 are fixedly connected at the four corners of the top of the base 1, the tops of the four support columns 2 are fixedly connected to the same workbench 3, a through slot 4 is provided on the top of the workbench 3, a motor 6 is fixedly installed on the top of the base 1, a threaded sleeve 5 is rotatably connected to the top of the base 1, a transmission assembly is arranged on the outside of the threaded sleeve 5, the transmission assembly comprises a rotating shaft 7 fixedly connected to the output end of the motor 6, a driving gear 8 is fixedly connected to the top of the rotating shaft 7, a driven gear 9 is fixedly sleeved on the outside of the threaded sleeve 5, the driving gear 8 is meshingly connected with the driven gear 9, and the threaded sleeve 5 can be rotated by the transmission assembly.

[0020] Specifically, a lifting assembly is provided inside the threaded sleeve 5, and the lifting assembly includes a threaded rod 12 threadedly connected inside the threaded sleeve 5, and the top of the threaded rod 12 is arranged at the bottom of the movable plate 13. The transparent explosion-proof shell 16 can be raised and lowered by the provided lifting assembly.

[0021] Specifically, a limit assembly is provided on the top of the base 1, and the limit assembly includes two symmetrically distributed telescopic sleeves 10 fixedly connected to the top of the base 1, and the two telescopic sleeves 10 are internally slidably connected with telescopic rods 11, and the tops of the two telescopic rods 11 are fixedly connected to the bottom of the movable plate 13. The telescopic rods 11 slide inside the telescopic sleeves 10, so that the movable plate 13 will not rotate when moving.

[0022] Specifically, a movable plate 13 is provided on the top of the workbench 3, and a protective component is provided on the top of the movable plate 13. The protective component includes a damping shaft 14 rotatably connected to the top of the movable plate 13, a connecting plate 15 is fixedly connected to the top of the damping shaft 14, and a transparent explosion-proof shell 16 is fixedly connected to the bottom of the connecting plate 15. By setting the protective component, the staff can be isolated from the battery cell when the battery cell is subjected to a needle puncture test.

[0023] Specifically, a puncture assembly is provided on the top of the workbench 3, and the puncture assembly includes a fixed plate 17 fixedly connected to the top of the workbench 3, an electric push rod 18 is fixedly installed on one side of the fixed plate 17, and the output end of the electric push rod 18 is fixedly connected to a steel needle 19. Through the set puncture assembly, the battery cell can be subjected to acupuncture experiments.

[0024] Specifically, a fixing component is provided on the top of the workbench 3, and the fixing component includes two symmetrically distributed fixing frames 20 fixedly connected to the top of the workbench 3. A cylinder 21 is fixedly installed on the top of the two fixing frames 20. The cylinder 21 extends to the interior of the fixing frame 20, and an arc plate 22 is fixedly connected to the output end of the cylinder 21. The battery cell can be clamped and fixed by the set fixing component.

[0025] During use: when it is necessary to perform an acupuncture test on the polymer battery cell, first place the polymer battery cell on the workbench 3, then start the cylinder 21, and then the output end of the cylinder 21 drives the arc plate 22 to move, and the arc plate 22 contacts the battery cell, thereby clamping and fixing the battery cell, and then start the motor 6, and then the output end of the motor 6 drives the rotating shaft 7 to rotate, and the rotation of the rotating shaft 7 can drive the driving gear 8 to rotate, because the driving gear 8 is meshed with the driven gear 9, and thus the driven gear 9 can be rotated by the rotation of the driving gear 8, and then the threaded sleeve 5 rotates, and the threaded rod 12 can be moved when rotating by the rotation of the threaded sleeve 5, and then the moving plate 13 moves, and then drives the telescopic rod 11 to slide inside the telescopic sleeve 10, and the telescopic rod 11 slides inside the telescopic sleeve 10, so that the moving plate 13 does not rotate when moving, and through the movement of the moving plate 13, that is The damping shaft 14, the connecting plate 15 and the transparent explosion-proof shell 16 can be driven to move. At this time, the transparent explosion-proof shell 16 covers the workbench 3. The transparent explosion-proof shell 16 can be rotated by the damping shaft 14. When the staff installs the battery cell, the transparent explosion-proof shell 16 can be rotated to one side, which will not affect the staff to install the battery cell. By starting the electric push rod 18, the output end of the electric push rod 18 drives the steel needle 19 to move. At this time, the steel needle 19 can perform a needle puncture test on the battery cell. Through the above structure, when the battery cell is subjected to the acupuncture test, the battery cell can be covered in the transparent explosion-proof shell 16 to avoid the penetration of the battery cell by needle puncture. The battery cell with low safety will cause fire and explosion. The battery cell that catches fire and explodes will cause damage to the body of the staff. At the same time, when the staff installs the battery cell, the transparent explosion-proof shell 16 can be raised to a high place and rotated to one side, which will not hinder the operation of the staff, greatly facilitating the use of the staff.

[0026] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0027] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A polymer battery core puncture test device, comprising a base (1), It is characterized in that The four corners of the top of the base (1) are fixedly connected with support columns (2), the tops of the four support columns (2) are fixedly connected with a same workbench (3), the top of the workbench (3) is provided with a through slot (4), the top of the base (1) is fixedly mounted with a motor (6), the top of the base (1) is rotatably connected with a threaded sleeve (5), the outside of the threaded sleeve (5) is provided with a transmission assembly, the inside of the threaded sleeve (5) is provided with a lifting assembly, the top of the base (1) is provided with a limiting assembly, the top of the workbench (3) is provided with a movable plate (13), the top of the movable plate (13) is provided with a protective assembly, the top of the workbench (3) is provided with an acupuncture assembly, and the top of the workbench (3) is provided with a fixing assembly.

2. A polymer battery core puncture test device according to claim 1, It is characterized in that The transmission assembly comprises a rotating shaft (7) fixedly connected to the output end of the motor (6), a driving gear (8) fixedly connected to the top of the rotating shaft (7), a driven gear (9) fixedly sleeved on the outside of the threaded sleeve (5), and the driving gear (8) and the driven gear (9) are meshingly connected.

3. A polymer battery core puncture test device according to claim 1, It is characterized in that The lifting assembly comprises a threaded rod (12) threadedly connected to the inside of a threaded sleeve (5), and the top of the threaded rod (12) is arranged at the bottom of a moving plate (13).

4. A polymer battery core puncture test device according to claim 1, It is characterized in that The position limiting assembly comprises two symmetrically distributed telescopic sleeves (10) fixedly connected to the top of the base (1), the interiors of the two telescopic sleeves (10) are slidably connected with telescopic rods (11), and the tops of the two telescopic rods (11) are fixedly connected to the bottom of the moving plate (13).

5. A polymer battery core puncture test device according to claim 1, It is characterized in that The protection component comprises a damping shaft (14) rotatably connected to the top of the moving plate (13); the top of the damping shaft (14) is fixedly connected to a connecting plate (15); and the bottom of the connecting plate (15) is fixedly connected to a transparent explosion-proof shell (16).

6. A polymer battery core puncture test device according to claim 1, It is characterized in that The acupuncture assembly comprises a fixing plate (17) fixedly connected to the top of the workbench (3), an electric push rod (18) is fixedly installed on one side of the fixing plate (17), and the output end of the electric push rod (18) is fixedly connected to a steel needle (19).

7. A polymer battery core puncture test device according to claim 1, It is characterized in that The fixing assembly comprises two symmetrically distributed fixing frames (20) fixedly connected to the top of the workbench (3), a cylinder (21) being fixedly mounted on the top of each of the two fixing frames (20), the cylinder (21) extending into the interior of the fixing frames (20), and an arc-shaped plate (22) being fixedly connected to the output end of the cylinder (21).

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