Finished product performance testing machine for lithium battery production

Abstract

The utility model relates to the field of lithium battery production, and discloses a finished product performance testing machine for lithium battery production, which comprises a testing machine main body, a fire extinguishing assembly is arranged on the right surface of the testing machine main body, a collecting assembly is arranged on the inner wall of the bottom end of the fire extinguishing assembly, and the fire extinguishing assembly comprises a rectangular shell. The rectangular shell is fixedly connected to the right surface of the testing machine body, a fire extinguisher is arranged on the right surface of the rectangular shell, a spraying pipe is arranged at the bottom end of the front surface of the fire extinguisher, the spraying pipe is fixedly connected to the right surface of the rectangular shell in a penetrating mode, the collecting assembly comprises a collecting shell, and the collecting shell slides on the front surface of the bottom end of the rectangular shell in a penetrating mode. According to the utility model, when the tested lithium battery is short-circuited and is on fire, the electric telescopic rod can be started to push the lithium battery into the inner wall of the rectangular shell, and then the fire extinguisher is started to extinguish fire, so that the damage of parts in the testing machine main body caused by secondary explosion of the lithium battery is avoided, and meanwhile, substances sprayed out of the fire extinguisher cannot be splashed into the equipment, and the practicability is improved.

Description

Technical Field

[0001] The utility model relates to the field of lithium battery production, in particular to a finished product performance testing machine for lithium battery production. Background Art

[0002] With the widespread application of electronic devices, lithium batteries, as an important energy storage device, are of vital importance for their performance and quality. In the production process of lithium batteries, performance testing of finished products is a key link in ensuring product quality and reliability. Lithium batteries contain flammable electrolytes and active materials. When squeezed or punctured, they are prone to short circuits, overheating, and even fires and explosions. Manufacturers use testing machines to perform squeeze and puncture tests on lithium batteries. This can evaluate the safety of batteries in extreme situations and provide important safety basis for product design and use.

[0003] After searching, Chinese patent announcement number: CN219266486 U discloses a lithium battery performance testing device related to the field of battery testing technology, a smoke exhaust port is embedded on one side surface of the inner cavity of the test box, a connecting pipe is fixedly connected to one side of the test box, one end of the connecting pipe is fixedly connected to the smoke exhaust port, a purification device is provided on one side of the connecting pipe, a fan is fixedly connected to one side of the purification device, and a smoke exhaust pipe is fixedly connected to one side of the fan. Through the provided smoke exhaust port, connecting pipe, purification device and fan, when the lithium battery explodes due to extrusion and produces fireworks, the waste gas and smoke generated by the lithium battery can be purified and disinfected to prevent pollution to the surrounding atmosphere, and finally discharged through the smoke exhaust pipe.

[0004] In the above technology, although there are certain improvements through the structure set up, there are still certain defects. When using a fire extinguisher to put out a fire, the material sprayed by the fire extinguisher will spread inside the testing machine, and workers will need to clean it up bit by bit later, which is too troublesome and may affect the next test. The practicality is too low. Therefore, a finished product performance testing machine for lithium battery production is proposed to solve the above problems. Utility Model Content

[0005] In order to make up for the above shortcomings, the utility model provides a finished product performance testing machine for lithium battery production, aiming to improve the problem that some lithium battery performance testing machines in the prior art cannot handle batteries that explode and catch fire in time when in use, and the practicality is too low.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a finished product performance testing machine for lithium battery production, comprising a testing machine body, a fire extinguishing assembly is arranged on the right surface of the testing machine body, a collecting assembly is arranged on the inner wall of the bottom end of the fire extinguishing assembly, the fire extinguishing assembly comprises a rectangular shell, the rectangular shell is fixedly connected to the right surface of the testing machine body, a fire extinguisher is arranged on the right surface of the rectangular shell, a spray pipe is arranged on the bottom end of the front surface of the fire extinguisher, and the spray pipe passes through and is fixedly connected to the right surface of the rectangular shell.

[0007] As a further description of the above technical solution:

[0008] The collecting assembly comprises a collecting shell, which penetrates and slides on the front surface of the bottom end of the rectangular shell. A through groove is provided on the front surface of the collecting shell, and a handle is slidably connected to the inner wall of the through groove.

[0009] As a further description of the above technical solution:

[0010] The inner wall of the right end of the rectangular shell is provided with a limiting groove, a moving plate is slidably connected through the right surface of the rectangular shell, a rubber block is fixedly connected to the upper surface of the right end of the moving plate, and the rubber block contacts the inner wall of the limiting groove.

[0011] As a further description of the above technical solution:

[0012] A scraper is fixedly connected to the inner wall of the rectangular shell adjacent to the upper side of the moving plate, and the bottom end of the scraper contacts the upper surface of the moving plate.

[0013] As a further description of the above technical solution:

[0014] The fire extinguishing assembly also includes an electric telescopic rod, which penetrates and is fixedly connected to the left surface of the test machine body. A push plate is fixedly connected to the right surface of the electric telescopic rod, and the push plate is slidably connected to the inner wall of the test machine body.

[0015] As a further description of the above technical solution:

[0016] The inner wall of the front end of the collecting shell is elastically connected with a block through a spring, and the block is slidably connected to the inner wall of the front end of the collecting shell. One end of the spring is fixedly connected to the inner wall of the front end of the collecting shell, and the other end of the spring is fixedly connected to the lower surface of the block.

[0017] As a further description of the above technical solution:

[0018] A rectangular groove is formed on the inner wall of the front end of the rectangular shell, and the top end of the clamping block contacts the inner wall of the rectangular groove.

[0019] As a further description of the above technical solution:

[0020] The upper surface of the block is arranged as an inclined surface.

[0021] The utility model has the following beneficial effects:

[0022] 1. In the utility model, when the tested lithium battery short-circuit catches fire, the electric telescopic rod can be started to push the lithium battery into the inner wall of the rectangular shell, and then the fire extinguisher can be started to extinguish the fire, so as to avoid the secondary explosion of the lithium battery to damage the parts inside the main body of the test machine. At the same time, the material sprayed by the fire extinguisher will not splash into the interior of the equipment, thereby improving the practicality.

[0023] 2. In the utility model, the lithium battery after the fire is extinguished can be collected into the inner wall of the collection shell, and then the residues of the lithium battery explosion can be taken out for treatment through the cooperation of the handle, spring, and card block, thereby improving the practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a schematic diagram of the three-dimensional structure of the overall device in the utility model;

[0025] Figure 2 It is a schematic diagram of the split cross-section of the three-dimensional structure of the overall device in the utility model;

[0026] Figure 3 It is a schematic diagram of the split cross section of the test machine main body and rectangular shell three-dimensional structure in the utility model;

[0027] Figure 4 For the utility model Figure 2 A schematic diagram of the enlarged three-dimensional structure of the A region;

[0028] Figure 5 For the utility model Figure 3 An enlarged schematic diagram of the three-dimensional structure of region B.

[0029] Legend:

[0030] 1. Test machine body; 2. Fire extinguishing assembly; 21. Rectangular shell; 22. Fire extinguisher; 23. Moving plate; 24. Spraying pipe; 25. Electric telescopic rod; 26. Push plate; 27. Rubber block; 28. Scraper; 29. ​​Limiting groove; 3. Collection assembly; 31. Collection shell; 32. Handle; 33. Spring; 34. Block; 35. Through groove; 36. Rectangular groove. DETAILED DESCRIPTION

[0031] 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.

[0032] Reference Figure 1 - Figure 3 The utility model provides an embodiment: a finished product performance tester for lithium battery production, including a tester body 1, the tester body 1 is in the prior art, and is mainly used to test the battery under extreme conditions such as short circuit, overheating, or even fire and explosion, and can be implemented by technicians in this field. Since it is a prior art, it will not be described in detail in this case. The right surface of the tester body 1 is provided with a fire extinguishing component 2, and the inner wall at the bottom of the fire extinguishing component 2 is provided with a collecting component 3. The fire extinguishing component 2 includes a rectangular shell 21, and the rectangular shell 21 is for preventing Explosive material can prevent the exploding lithium battery from blowing it up, and improve the commonality of use. The rectangular shell 21 is fixedly connected to the right surface of the test machine body 1. A fire extinguisher 22 is arranged on the right surface of the rectangular shell 21. The fire extinguisher 22 is a prior art. After turning on its switch, the fire extinguishing material inside it will be sprayed along the spray pipe 24, and it can be realized by technicians in this field. Since it is a prior art, it will not be described in detail in this case. A spray pipe 24 is arranged at the bottom end of the front surface of the fire extinguisher 22, and the spray pipe 24 passes through and is fixedly connected to the right surface of the rectangular shell 21.

[0033] Reference Figure 1 - Figure 2 , Figure 4 The collecting assembly 3 includes a collecting shell 31, which can be taken out to centrally process the lithium battery residue inside it, thereby improving practicality. The collecting shell 31 penetrates and slides on the front surface of the bottom end of the rectangular shell 21. A through groove 35 is provided on the front surface of the collecting shell 31, and a handle 32 is slidably connected to the inner wall of the through groove 35. The handle 32 is provided to facilitate workers to operate and release the limit of the collecting shell 31.

[0034] Reference Figure 3 , Figure 5 A limiting groove 29 is provided on the inner wall of the right end of the rectangular shell 21, and a movable plate 23 is slidably connected to the right surface of the rectangular shell 21. The movable plate 23 can be opened to allow the residue of the lithium battery to fall into the interior of the collecting shell 31, and the scraper 28 will clean the upper surface of the movable plate 23 when it is opened, thereby improving practicality. A rubber block 27 is fixedly connected to the upper surface of the right end of the movable plate 23, and the rubber block 27 contacts the inner wall of the limiting groove 29. A scraper 28 is fixedly connected to the upper side of the inner wall of the rectangular shell 21 adjacent to the movable plate 23, and the bottom end of the scraper 28 contacts the upper surface of the movable plate 23.

[0035] Reference Figure 1 , Figure 3 The fire extinguishing assembly 2 also includes an electric telescopic rod 25. The electric telescopic rod 25 is a prior art and can be implemented by technicians in this field. Since it is a prior art, it will not be described in detail in this case. The electric telescopic rod 25 is fixedly connected to the left surface of the test machine body 1, and a push plate 26 is fixedly connected to the right surface of the electric telescopic rod 25. The push plate 26 can be driven to move by starting the electric telescopic rod 25 to push the damaged lithium battery into the rectangular shell 21. At the same time, the push plate 26 can block the connection between the rectangular shell 21 and the test machine body 1 to prevent some substances in the fire extinguisher 22 from entering the interior of the equipment, thereby improving practicality. At the same time, the push plate 26 and the movable plate 23 are both made of explosion-proof material, and the push plate 26 is slidably connected to the inner wall of the test machine body 1.

[0036] Reference Figure 2 , Figure 4 The inner wall of the front end of the collecting shell 31 is elastically connected with a block 34 through a spring 33. The spring 33 always pushes the block 34 to move to the right through its own elasticity to ensure the stability of its limit. The block 34 is slidably connected to the inner wall of the front end of the collecting shell 31. One end of the spring 33 is fixedly connected to the inner wall of the front end of the collecting shell 31, and the other end of the spring 33 is fixedly connected to the lower surface of the block 34. A rectangular groove 36 is provided on the inner wall of the front end of the rectangular shell 21. The top of the block 34 contacts the inner wall of the rectangular groove 36. The upper surface of the block 34 is set to an inclined surface. The set inclined surface can ensure that the collecting shell 31 can be quickly installed, thereby improving convenience.

[0037] Working principle: When in use, the lithium battery can be placed inside the test machine body 1 for testing. If the lithium battery is damaged and catches fire during the test, the test can be stopped, and the electric telescopic rod 25 can be started to drive the push plate 26 to move. The push plate 26 will push the damaged lithium battery into the inner wall of the rectangular shell 21 until the push plate 26 blocks the connection between the rectangular shell 21 and the test machine body 1. At this time, the fire extinguisher 22 can be started, and the fire extinguisher 22 will spray the fire extinguishing material inside the fire extinguisher 22 through the spray pipe 24 into the interior of the rectangular shell 21 to extinguish the lithium battery. The treatment is completed and it is determined that the damaged lithium battery will not explode again. , the movable plate 23 can be pulled, and the movable plate 23 will drive the rubber block 27 to move. The rubber block 27 will be squeezed and detached from the inner wall of the limiting groove 29, so that the residue of the lithium battery will fall into the interior of the collecting shell 31, and when the movable plate 23 is pulled, the scraper 28 will clean the upper surface of the movable plate 23, which improves practicality. After the lithium battery completely falls on the inner wall of the collecting shell 31, the movable plate 23 can be pushed in the reverse direction. The subsequent structure is coordinated with the above until the rubber block 27 is stuck in the inner wall interface of the limiting groove 29 to complete the fixation, and then the electric telescopic rod 25 is started to drive the push plate 26 to move in the reverse direction for reset.

[0038] When the lithium battery residue on the inner wall of the collection shell 31 needs to be processed, it is only necessary to push the handle 32. The handle 32 will drive the block 34 to move until the block 34 is separated from the inner wall of the rectangular groove 36, and the collection shell 31 can be taken out. When installing, the collection shell 31 is pushed against the inner wall of the bottom end of the rectangular shell 21. When the rectangular shell 21 contacts the block 34, it will be pushed to move along the inclined surface of the block 34. The block 34 will squeeze the spring 33 until the block 34 overlaps with the rectangular groove 36. At this time, the spring 33 will use its own elasticity to push the block 34 to move in the opposite direction and insert it into the inner wall of the rectangular groove 36. In this way, the collection shell 31 is installed.

[0039] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A finished product performance testing machine for lithium battery production, comprising a testing machine body (1), characterized in that: The right surface of the test machine body (1) is provided with a fire extinguishing assembly (2), the inner wall of the bottom end of the fire extinguishing assembly (2) is provided with a collecting assembly (3), the fire extinguishing assembly (2) comprises a rectangular shell (21), the rectangular shell (21) is fixedly connected to the right surface of the test machine body (1), the right surface of the rectangular shell (21) is provided with a fire extinguisher (22), the bottom end of the front surface of the fire extinguisher (22) is provided with a spray pipe (24), and the spray pipe (24) passes through and is fixedly connected to the right surface of the rectangular shell (21).

2. A finished product performance testing machine for lithium battery production according to claim 1, characterized in that: The collecting assembly (3) comprises a collecting shell (31), wherein the collecting shell (31) penetrates and slides on the front surface of the bottom end of the rectangular shell (21), a through groove (35) is provided on the front surface of the collecting shell (31), and a handle (32) is slidably connected to the inner wall of the through groove (35).

3. A finished product performance testing machine for lithium battery production according to claim 1, characterized in that: A limiting groove (29) is provided on the inner wall of the right end of the rectangular shell (21); a moving plate (23) is slidably connected to the right surface of the rectangular shell (21); a rubber block (27) is fixedly connected to the upper surface of the right end of the moving plate (23); and the rubber block (27) contacts the inner wall of the limiting groove (29).

4. A finished product performance testing machine for lithium battery production according to claim 3, characterized in that: A scraper (28) is fixedly connected to the inner wall of the rectangular shell (21) adjacent to the upper side of the movable plate (23), and the bottom end of the scraper (28) contacts the upper surface of the movable plate (23).

5. A finished product performance testing machine for lithium battery production according to claim 1, characterized in that: The fire extinguishing assembly (2) further comprises an electric telescopic rod (25), wherein the electric telescopic rod (25) penetrates and is fixedly connected to the left surface of the test machine body (1), and a push plate (26) is fixedly connected to the right surface of the electric telescopic rod (25), and the push plate (26) is slidably connected to the inner wall of the test machine body (1).

6. A finished product performance testing machine for lithium battery production according to claim 2, characterized in that: The inner wall at the front end of the collection shell (31) is elastically connected to a block (34) via a spring (33); the block (34) is slidably connected to the inner wall at the front end of the collection shell (31); one end of the spring (33) is fixedly connected to the inner wall at the front end of the collection shell (31); and the other end of the spring (33) is fixedly connected to the lower surface of the block (34).

7. A finished product performance testing machine for lithium battery production according to claim 6, characterized in that: A rectangular groove (36) is provided on the inner wall of the front end of the rectangular shell (21), and the top end of the clamping block (34) contacts the inner wall of the rectangular groove (36).

8. A finished product performance testing machine for lithium battery production according to claim 6, characterized in that: The upper surface of the clamping block (34) is arranged as an inclined surface.

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