Battery extrusion needling testing machine

Abstract

The utility model discloses a battery extrusion needling testing machine which comprises a test box, a placement seat is fixedly arranged at the bottom of the inner side of the test box, connecting rods are arranged on the two sides of the top end of the placement seat in a sliding mode, the top ends of the two connecting rods are fixedly connected with limiting strips, and the bottom ends of the two connecting rods are fixedly connected with spur racks. According to the battery extrusion needling testing machine, the first air cylinder pushes the connecting seat to move downwards so as to drive the extrusion block to move downwards, so that the extrusion block is in contact with a battery, the second air cylinder pushes the connecting block to move downwards so as to drive the testing needle to move downwards, and the testing needle is driven to move downwards. And then pressure is continuously applied to the connecting seat and the extrusion block through the first air cylinder, so that the extrusion test is performed on the battery, the two tests are continuously completed, replacement of the test needle or the extrusion block does not need to be stopped, and the working efficiency and the safety performance can be improved.

Description

Technical Field

[0001] The utility model relates to the field of battery extrusion and puncture testing machines, in particular to a battery extrusion and puncture testing machine. Background Technique

[0002] The battery extrusion and puncture testing machine is also known as a lithium battery puncture testing machine, a battery puncture testing machine, a battery piercing testing machine, and a lithium battery puncture resistance testing machine. It is applicable to various types of batteries to simulate the situation where the battery is punctured (such as compacted garbage) during the treatment of household waste, and can detect the changes that occur after the battery is punctured. However, the existing battery extrusion and puncture testing machine is not convenient for continuous extrusion and puncture testing of the battery during use, and it is necessary to stop the machine to replace the test needle or extrusion block, thus affecting the work efficiency.

[0003] To solve the above problems, a battery extrusion and puncture testing machine is proposed here. Content of the Utility Model

[0004] The purpose of the utility model is to provide a battery extrusion and puncture testing machine to solve the problems raised in the above background technique.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A battery extrusion and puncture testing machine, including a test chamber, a placement seat is fixedly arranged at the bottom inside the test chamber, connecting rods are slidably arranged on both sides of the top of the placement seat, limiting strips are fixedly connected to the tops of the two connecting rods, straight racks are fixedly connected to the bottoms of the two connecting rods, two fixed seats are fixedly arranged on one side of the inner wall of the placement seat, motors are fixedly installed at one ends inside the two fixed seats, driving gears are fixedly connected to the output ends of the two motors, the two driving gears are respectively meshed with the two straight racks, a first cylinder is fixedly installed at the top inside the test chamber, a connecting seat is fixedly connected to the movable end of the first cylinder, an extrusion block is fixedly connected to the bottom end of the connecting seat, a second cylinder is fixedly installed at the top inside the connecting seat, a connecting block is fixedly connected to the movable end of the second cylinder, a test needle is fixedly connected to the bottom end of the connecting block, and through grooves are formed in both the connecting seat and the extrusion block.

[0006] The connecting seat is pushed downward by the first cylinder, thereby driving the extrusion block to move downward, making the extrusion block contact the battery. Then, the connecting block is pushed downward by the second cylinder, thereby driving the test needle to move downward, so as to conduct a needle puncture test on the battery. Then, the first cylinder continuously applies pressure to the connecting seat and the extrusion block, so as to conduct an extrusion test on the battery. The two tests are completed continuously without stopping to replace the test needle or the extrusion block, which can improve work efficiency and safety performance. The two motors respectively drive the two driving gears to rotate, thereby driving the two straight racks to move towards each other or move, so as to drive the two limiting strips to move towards each other or move, and then adjust the distance between the two limiting strips, which can adapt to batteries of different sizes.

[0007] Preferably, support rods are fixedly arranged at the tops of both sides of the inner wall of the test chamber. At the ends of the two support rods far away from the inner wall of the test chamber, guide seats are fixedly arranged. Guide rods are inserted through the middles of the two guide seats. The bottoms of the two guide rods are fixedly connected to the extrusion block. The cooperation of the two guide seats and the two guide rods facilitates the stable movement of the extrusion block.

[0008] Preferably, moving grooves are formed on both sides of the inner wall of the connecting seat. Moving blocks are slidably arranged inside the two moving grooves. The two moving blocks are fixedly connected to the connecting block. The cooperation of the two moving grooves and the two moving blocks facilitates the stable movement of the connecting block.

[0009] Preferably, sliding grooves are formed at the joints of the placement seat and the two connecting rods. The two sliding grooves are respectively slidably connected to the two connecting rods. The arrangement of the two sliding grooves facilitates the stable movement of the test needle.

[0010] Preferably, protective pads are fixedly arranged on the opposite sides of the two limiting strips. The setting of the protective pads can play a protective role for the battery.

[0011] Preferably, a sealing door is hinged in the middle of the front of the test chamber. Anti-slip seats are fixedly arranged at the four corners of the bottom end of the test chamber. The setting of the sealing door can play a role in sealing and protection.

[0012] Preferably, a control panel is fixedly installed at the top of the front of the test chamber. The first cylinder, the second cylinder and the two motors are all electrically connected to the control panel. The control panel controls the first cylinder, the second cylinder and the two motors to be powered on and start working.

[0013] Compared with the prior art, the beneficial effects of the present utility model are:

[0014] The connecting seat is pushed downward by the first cylinder, and then the extrusion block is driven to move downward, so that the extrusion block contacts the battery. Then, the connecting block is pushed downward by the second cylinder, and then the test needle is driven to move downward, so as to perform a needle puncture test on the battery. Then, the first cylinder continuously applies pressure to the connecting seat and the extrusion block, so as to perform an extrusion test on the battery. The two tests are completed continuously without stopping to replace the test needle or the extrusion block, which can improve work efficiency and safety performance. The two motors respectively drive the two driving gears to rotate, and then drive the two straight racks to move towards each other or move, so as to drive the two limit bars to move towards each other or move, and then adjust the distance between the two limit bars, which can adapt to batteries of different sizes. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a perspective view of the present utility model;

[0016] Figure 2 is a front sectional view of the present utility model;

[0017] Figure 3 is an enlarged view of a partial A of the present utility model;

[0018] Figure 4 is a connection diagram of the connecting seat and the extrusion block of the present utility model;

[0019] Figure 5 is a sectional view of a partial structure of the present utility model.

[0020] In the figure: 1. test chamber; 2. placement seat; 3. first cylinder; 4. connecting seat; 5. support rod; 6. guide seat; 7. guide rod; 8. limit bar; 9. connecting rod; 10. straight rack; 11. driving gear; 12. sliding groove; 13. protective pad; 14. second cylinder; 15. connecting block; 16. test needle; 17. extrusion block; 18. moving block; 19. moving groove; 20. through groove; 21. fixed seat; 22. motor; 23. anti-slip seat; 24. sealing door; 25. control panel. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0021] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.

[0022] Please refer to Figures 1-5, the present utility model provides a battery extrusion and needle puncture testing machine, which includes a test chamber 1. At the bottom inside the test chamber 1, a placement seat 2 is fixedly arranged. On both sides of the top end of the placement seat 2, connecting rods 9 are slidably arranged. At the top ends of the two connecting rods 9, limit bars 8 are fixedly connected. At the bottom ends of the two connecting rods 9, straight racks 10 are fixedly connected. On one side of the inner wall of the placement seat 2, two fixed seats 21 are fixedly arranged. At one end inside the two fixed seats 21, motors 22 are fixedly installed. The output ends of the two motors 22 are fixedly connected with driving gears 11. The two driving gears 11 are respectively meshed with the two straight racks 10. At the top inside the test chamber 1, a first cylinder 3 is fixedly installed. The movable end of the first cylinder 3 is fixedly connected with a connecting seat 4. At the bottom end of the connecting seat 4, an extrusion block 17 is fixedly connected. At the top inside the connecting seat 4, a second cylinder 14 is fixedly installed. The movable end of the second cylinder 14 is fixedly connected with a connecting block 15. At the bottom end of the connecting block 15, a test needle 16 is fixedly connected. Through holes 20 are provided in both the connecting seat 4 and the extrusion block 17. By pushing the connecting seat 4 downward through the first cylinder 3, the extrusion block 17 is driven to move downward, so that the extrusion block 17 contacts the battery. Then, by pushing the connecting block 15 downward through the second cylinder 14, the test needle 16 is driven to move downward, thereby performing a needle puncture test on the battery. Then, by continuously applying pressure to the connecting seat 4 and the extrusion block 17 through the first cylinder 3, an extrusion test on the battery is performed. The two tests are completed continuously without stopping to replace the test needle 16 or the extrusion block 17, which can improve work efficiency and safety performance. By driving the two driving gears 11 to rotate respectively through the two motors 22, the two straight racks 10 are driven to move towards each other or away from each other, thereby driving the two limit bars 8 to move towards each other or away from each other, and then adjusting the distance between the two limit bars 8, which can adapt to batteries of different sizes.

[0023] On the top of both sides of the inner wall of the test chamber 1, support rods 5 are fixedly arranged. At the ends of the two support rods 5 far away from the inner wall of the test chamber 1, guide seats 6 are fixedly arranged. In the middle of the two guide seats 6, guide rods 7 are inserted. At the bottom ends of the two guide rods 7, they are fixedly connected with the extrusion block 17. On both sides of the inner wall of the connecting seat 4, moving grooves 19 are provided. Inside the two moving grooves 19, moving blocks 18 are slidably arranged. The two moving blocks 18 are fixedly connected with the connecting block 15. At the connection parts of the placement seat 2 and the two connecting rods 9, sliding grooves 12 are provided. The two sliding grooves 12 are respectively slidably connected with the two connecting rods 9;

[0024] During use, the stable movement of the extrusion block 17 is facilitated by the cooperation of the two guide seats 6 and the two guide rods 7 respectively. The stable movement of the connecting block 15 is facilitated by the cooperation of the two moving grooves 19 and the two moving blocks 18 respectively. The stable movement of the test needle 16 is facilitated by the arrangement of the two sliding grooves 12;

[0025] On the opposite sides of the two limiting strips 8, protective pads 13 are fixedly arranged. A sealing door 24 is hinged in the middle of the front surface of the test chamber 1. Anti-slip seats 23 are fixedly arranged at the four corners of the bottom end of the test chamber 1. A control panel 25 is fixedly installed at the top of the front surface of the test chamber 1. The first cylinder 3, the second cylinder 14 and the two motors 22 are all electrically connected to the control panel 25;

[0026] During use, the setting of the protective pad 13 can protect the battery. The setting of the sealing door 24 can play a role in sealing protection. The first cylinder 3, the second cylinder 14 and the two motors 22 are controlled by the control panel 25 to be powered on and start working.

[0027] When the embodiment of the present application is in use: Place the battery on the top of the placement seat 2. Drive the two driving gears 11 to rotate in the opposite direction respectively through the two motors 22, and then drive the two straight racks 10 to move towards each other, thereby driving the two limiting strips 8 to move towards each other, and then limit and clamp the battery. Then, push the connecting seat 4 downward by the first cylinder 3, and then drive the pressing block 17 to move downward, so that the pressing block 17 contacts the battery. Then, push the connecting block 15 downward by the second cylinder 14, and then drive the test needle 16 to move downward, so as to perform a needle puncture test on the battery. Then, continuously apply pressure to the connecting seat 4 and the pressing block 17 by the first cylinder 3, so as to perform a squeezing test on the battery. The two tests are completed continuously without stopping to replace the test needle 16 or the pressing block 17, which can improve work efficiency and safety performance. During the operation process, drive the two driving gears 11 to rotate respectively through the two motors 22, and then drive the two straight racks 10 to move towards each other or move, thereby driving the two limiting strips 8 to move towards each other or move, and then adjust the distance between the two limiting strips 8, which can adapt to batteries of different sizes.

[0028] Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. Battery extrusion and puncture testing machine, comprising a test chamber (1), characterized in that: At the bottom inside the test chamber (1), a mounting seat (2) is fixedly arranged. On both sides of the top of the mounting seat (2), connecting rods (9) are slidably arranged. At the top of both connecting rods (9), limiting bars (8) are fixedly connected. At the bottom of both connecting rods (9), straight racks (10) are fixedly connected. On one side of the inner wall of the mounting seat (2), two fixed seats (21) are fixedly arranged. At one end of the inner sides of the two fixed seats (21), motors (22) are fixedly installed. The output ends of the two motors (22) are fixedly connected with driving gears (11). The two driving gears (11) are respectively meshed with the two straight racks (10). At the top inside the test chamber (1), a first cylinder (3) is fixedly installed. The movable end of the first cylinder (3) is fixedly connected with a connecting seat (4). At the bottom of the connecting seat (4), a pressing block (17) is fixedly connected. At the top inside the connecting seat (4), a second cylinder (14) is fixedly installed. The movable end of the second cylinder (14) is fixedly connected with a connecting block (15). At the bottom of the connecting block (15), a test probe (16) is fixedly connected. Through grooves (20) are formed in both the connecting seat (4) and the pressing block (17).

2. The battery extrusion and puncture testing machine according to claim 1, wherein: On the top of both sides of the inner wall of the test chamber (1), support rods (5) are fixedly arranged. At the ends of the two support rods (5) far away from the inner wall of the test chamber (1), guiding seats (6) are fixedly arranged. In the middle of the two guiding seats (6), guiding rods (7) are inserted. At the bottom of the two guiding rods (7), they are fixedly connected with the pressing block (17).

3. The battery extrusion and needle puncture testing machine according to claim 1, characterized in that: On both sides of the inner wall of the connecting seat (4), moving grooves (19) are formed. Inside the two moving grooves (19), moving blocks (18) are slidably arranged. The two moving blocks (18) are fixedly connected with the connecting block (15).

4. The battery extrusion and puncture testing machine according to claim 1, characterized in that: At the joints of the mounting seat (2) and the two connecting rods (9), sliding grooves (12) are formed. The two sliding grooves (12) are respectively slidably connected with the two connecting rods (9).

5. The battery extrusion and puncture testing machine according to claim 1, wherein: On the opposite sides of the two limiting bars (8), protective pads (13) are fixedly arranged.

6. The battery extrusion and needle puncture testing machine according to claim 1, wherein: On the middle of the front of the test chamber (1), a sealing door (24) is hinged. At the four corners of the bottom of the test chamber (1), anti-slip seats (23) are fixedly arranged.

7. The battery extrusion and needle puncture testing machine according to claim 1, wherein: On the top of the front of the test chamber (1), a control panel (25) is fixedly installed. The first cylinder (3), the second cylinder (14) and the two motors (22) are all electrically connected with the control panel (25).

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