Liquid injection machine for soft package lithium ion battery

Abstract

The utility model discloses a soft package lithium ion battery liquid injection machine, which relates to the technical field of lithium ion battery liquid injection machines and comprises a liquid injection machine body, support legs are welded at the bottom of the liquid injection machine body, a workbench is arranged in the middle of the liquid injection machine body, and an injected liquid collecting mechanism is arranged on the surface of the workbench. A horizontal reaction mechanism is arranged on one side of the surface of the workbench. The lithium ion battery rack is mounted on the lithium ion battery mounting groove by arranging the connecting groove and the inserting block, so that a lithium ion battery is easy to mount and dismount, the lithium ion battery can be quickly replaced by a worker, and the working efficiency of the device is effectively improved; the infrared gradienter in the mounting groove is adjusted to different heights, it is guaranteed that liquid in the lithium ion batteries at different heights is located at the same level, the infrared gradienter does not shake in the moving process in cooperation with the cushioning spring, and the accuracy of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of lithium ion battery liquid filling machines, in particular to a soft-pack lithium ion battery liquid filling machine. Background Art

[0002] Lithium-ion battery is a secondary battery that mainly relies on the movement of lithium ions between the positive and negative electrodes to work. During the charging and discharging process, Li+ is embedded and de-embedded back and forth between the two electrodes: when charging, Li+ is de-embedded from the positive electrode, embedded in the negative electrode through the electrolyte, and the negative electrode is in a lithium-rich state; the opposite is true during discharging.

[0003] The Chinese patent publication number is CN218300189U, a limit mechanism for filling soft-pack lithium-ion batteries. The technical solution provided by the patent document is: the rotor of the stepper motor is coaxially fixed with a screw rod, the surface of the screw rod is meshed with a moving block, the upper surface of the moving block is installed with a mounting box, and the surface of the threaded rod is installed with a limit plate through a bearing.

[0004] In order to solve the problem that the existing device is time-consuming, labor-intensive and inconvenient for staff to use, the existing technology uses a method of driving the limit plate to move by rotating the threaded rod, and the limit plates will be close to each other to limit the lithium-ion battery. However, there is still a situation where the injection amount cannot be guaranteed to be consistent, and it is not easy to replace the battery with the injection, which leads to a decrease in work efficiency. Utility Model Content

[0005] The purpose of the utility model is to provide a soft-pack lithium-ion battery filling machine to solve the problems raised in the above-mentioned background technology.

[0006] In order to solve the above technical problems, the technical solution adopted by the utility model is:

[0007] A soft-pack lithium-ion battery liquid filling machine comprises a liquid filling machine body, the bottom of which is welded with supporting feet, and the middle of which is provided with a workbench.

[0008] The surface of the workbench is provided with a liquid injection collection mechanism, and one side of the surface of the workbench is provided with a horizontal reaction mechanism.

[0009] The liquid injection and collection mechanism includes a support column, which is fixedly installed on the surface of the workbench, a placement plate is fixedly connected to the top of the support column, a power supply box body is fixedly installed on the surface of the placement plate, a liquid collection box is fixedly connected to the bottom of the placement plate, a lithium-ion battery installation slot is fixedly installed in the middle of the surface of the workbench, connecting slots are fixedly installed at the four corners of the lithium-ion battery installation slot, a plug-in block is plugged into the surface of the connecting slot, a lithium-ion battery rack is welded to one side of the plug-in block, and batteries to be injected are placed inside the lithium-ion battery rack.

[0010] A further improvement of the technical solution of the utility model is that an anti-sliding block is provided at the bottom of the supporting foot, the number of the supporting columns is four, the anti-sliding block prevents the supporting foot from slipping, and the supporting columns are used to support the placement board.

[0011] A further improvement of the technical solution of the utility model is that: a liquid inlet and a liquid outlet are respectively provided at both ends of the liquid collecting box, a connecting rod is arranged between the placement plate and the liquid collecting box, the liquid inlet and the liquid outlet of the liquid collecting box are respectively connected to the liquid inlet pipe and the liquid outlet pipe, and the connecting rod fixes the liquid collecting box to the bottom of the placement plate.

[0012] A further improvement of the technical solution of the utility model is that a placement hole is opened on the surface of the lithium-ion battery rack, and a handle is provided on one side of the surface of the lithium-ion battery rack. The placement hole is used to place the battery to be filled with liquid, and the handle facilitates the replacement of the lithium-ion battery rack.

[0013] A further improvement of the technical solution of the utility model is that the horizontal reaction mechanism includes a sliding plate, which is movably mounted on the surface of the support column, and a mounting groove is provided on the surface of the sliding plate, and the sliding plate drives the mounting groove to slide on the support column.

[0014] A further improvement of the technical solution of the utility model is that an infrared level is fixedly installed on the surface of the mounting groove, hydraulic rods are fixedly connected to both sides of the mounting groove, the top of the hydraulic rods is covered with shock-absorbing springs, and the hydraulic rods cooperate with the mounting groove to adjust the height of the infrared level.

[0015] A further improvement of the technical solution of the utility model is that the input end of the hydraulic rod is connected to the wire of the power supply box body, the infrared level is horizontally aligned with the battery to be filled with liquid, and the infrared level is used to ensure that the injection amount in the battery to be filled is equal.

[0016] Due to the adoption of the above technical solution, the utility model has achieved the following technical progress compared with the prior art:

[0017] 1. The utility model provides a soft-pack lithium-ion battery filling machine. By arranging a connection slot and a plug-in block, a lithium-ion battery rack is installed on a lithium-ion battery installation slot, so that the lithium-ion battery is easy to install and disassemble, ensuring that the staff can quickly replace the lithium-ion battery, and effectively improving the working efficiency of the device.

[0018] 2. The utility model provides a soft-pack lithium-ion battery liquid injection machine. By setting a hydraulic rod in conjunction with a sliding plate, the infrared level in the installation slot is adjusted to different heights, ensuring that the liquid in lithium-ion batteries at different heights is at the same level. In conjunction with a shock-absorbing spring, the infrared level will not shake during movement, thereby improving the accuracy of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a front view structural schematic diagram of the utility model;

[0020] Figure 2 This is a front view structural diagram of the liquid injection and collection mechanism of the utility model;

[0021] Figure 3 It is a partial cross-sectional structural schematic diagram of the liquid injection and collection mechanism of the utility model;

[0022] Figure 4 It is a cross-sectional structural schematic diagram of the horizontal reaction mechanism of the utility model;

[0023] Figure 5 For this utility model Figure 4 Enlarged schematic diagram at point A in the middle.

[0024] In the figure: 1. Liquid injection machine body; 11. Support legs; 12. Workbench; 2. Liquid injection collection mechanism; 21. Support column; 22. Placement plate; 23. Power supply box body; 24. Liquid collection box; 25. Lithium-ion battery installation slot; 26. Connection slot; 27. Plug-in block; 28. Lithium-ion battery rack; 29. ​​Battery to be injected; 3. Horizontal reaction mechanism; 31. Sliding plate; 32. Installation slot; 33. Infrared level; 34. Hydraulic rod; 35. Shock-absorbing spring. DETAILED DESCRIPTION

[0025] The present invention is further described in detail below in conjunction with the embodiments:

[0026] Example 1

[0027] like Figure 1-3As shown, the utility model provides a soft-pack lithium-ion battery liquid injection machine, including a liquid injection machine body 1, a support leg 11 is welded at the bottom of the liquid injection machine body 1, a workbench 12 is arranged in the middle of the liquid injection machine body 1, a liquid injection collection mechanism 2 is arranged on the surface of the workbench 12, a horizontal reaction mechanism 3 is arranged on one side of the surface of the workbench 12, the liquid injection collection mechanism 2 includes a support column 21, the support column 21 is fixedly mounted on the surface of the workbench 12, a placement plate 22 is fixedly connected to the top of the support column 21, a power supply box body 23 is fixedly mounted on the surface of the placement plate 22, a liquid collecting box 24 is fixedly connected to the bottom of the placement plate 22, a lithium-ion battery installation slot 25 is fixedly mounted in the middle of the surface of the workbench 12, a connecting slot 26 is fixedly mounted at the four corners of the lithium-ion battery installation slot 25, a plug-in block 27 is plugged into the surface of the connecting slot 26, a lithium-ion battery rack 28 is welded on one side of the plug-in block 27, and a lithium-ion battery rack 28 is placed inside the lithium-ion battery rack 28 The liquid-filled battery 29 is provided with an anti-sliding block at the bottom of the support leg 11. There are four support columns 21. The anti-sliding block prevents the support leg 11 from slipping. The support columns 21 are used to support the placement plate 22. The two ends of the liquid collecting box 24 are respectively provided with a liquid inlet and a liquid outlet. A connecting rod is provided between the placement plate 22 and the liquid collecting box 24. The liquid inlet and the liquid outlet of the liquid collecting box 24 are respectively connected to the liquid inlet pipe and the liquid outlet pipe. The connecting rod fixes the liquid collecting box 24 to the bottom of the placement plate 22. A placement hole is provided on the surface of the lithium-ion battery rack 28. A handle is provided on one side of the surface of the lithium-ion battery rack 28. The placement hole is used to place the battery 29 to be filled with liquid. The handle facilitates the replacement of the lithium-ion battery rack 28. The lithium-ion battery rack 28 is installed on the lithium-ion battery installation slot 25 by providing a connecting slot 26 and a plug-in block 27, so that the lithium-ion battery is easy to install and disassemble, ensuring that the staff can quickly replace the lithium-ion battery, effectively improving the working efficiency of the device.

[0028] Example 2

[0029] like Figure 4 , Figure 5As shown, on the basis of Example 1, the utility model provides a technical solution: preferably, the horizontal reaction mechanism 3 includes a sliding plate 31, the sliding plate 31 is movably mounted on the surface of the support column 21, the surface of the sliding plate 31 is provided with a mounting groove 32, the sliding plate 31 drives the mounting groove 32 to slide on the support column 21, the surface of the mounting groove 32 is fixedly installed with an infrared level 33, the two sides of the mounting groove 32 are fixedly connected with a hydraulic rod 34, the top of the hydraulic rod 34 is covered with a shock absorbing spring, the hydraulic rod 34 cooperates with the mounting groove 32, and the infrared level 33 can be adjusted The height of 33, the input end of the hydraulic rod 34 is connected with the power supply box body 23 by wire, the infrared level 33 is horizontally aligned with the battery 29 to be filled, and the infrared level 33 is used to ensure that the amount of liquid filled in the battery 29 to be filled is equal. By setting the hydraulic rod 34 in conjunction with the sliding plate 31, the infrared level 33 in the mounting groove 32 is adjusted to different heights, ensuring that the liquid in the lithium-ion batteries at different heights is at the same level, and then with the shock-absorbing spring 35, the infrared level 33 will not shake during the movement, thereby improving the accuracy of the device.

[0030] The following is a detailed description of the working principle of the soft-pack lithium-ion battery filling machine.

[0031] like Figure 1-5 As shown, when using the device, the user first places the lithium-ion battery that needs to be injected on the surface of the lithium-ion battery rack 28, and then installs the lithium-ion battery rack 28 on the lithium-ion battery mounting slot 25 through the connecting slot 26 and the plug-in block 27, so that the lithium-ion battery is easy to install and disassemble, ensuring that the staff can quickly replace the lithium-ion battery, effectively improving the working efficiency of the device, and then the liquid collecting box 24 collects the liquid to be injected through the liquid collecting port on its surface, and the liquid outlet is passed through the infusion tube to inject the liquid into the lithium-ion battery to be injected. The hydraulic rod 34 cooperates with the sliding plate 31 to adjust the infrared level 33 in the mounting slot 32 to different heights, ensuring that the liquid in the lithium-ion batteries at different heights is at the same level, and then cooperates with the shock-absorbing spring 35 to prevent the infrared level 33 from shaking during the movement, thereby improving the accuracy of the device.

[0032] The above generally describes the present invention in detail, but it is obvious to a person skilled in the art that some modifications or improvements can be made to the present invention. Therefore, modifications or improvements that do not deviate from the spirit of the present invention are within the scope of protection of the present invention.

Claims

1. A soft-pack lithium-ion battery filling machine, comprising a filling machine body (1), characterized in that: A support leg (11) is welded to the bottom of the liquid injection machine body (1), and a workbench (12) is arranged in the middle of the liquid injection machine body (1); The surface of the workbench (12) is provided with a liquid injection collection mechanism (2), and one side of the surface of the workbench (12) is provided with a horizontal reaction mechanism (3); The liquid injection collection mechanism (2) comprises a support column (21), the support column (21) is fixedly mounted on the surface of a workbench (12), a placement plate (22) is fixedly connected to the top of the support column (21), a power supply box body (23) is fixedly mounted on the surface of the placement plate (22), a liquid collection box (24) is fixedly connected to the bottom of the placement plate (22), a lithium-ion battery installation slot (25) is fixedly mounted in the middle of the surface of the workbench (12), connecting slots (26) are fixedly mounted at the four corners of the lithium-ion battery installation slot (25), a plug-in block (27) is plugged into the surface of the connecting slot (26), a lithium-ion battery rack (28) is welded to one side of the plug-in block (27), and a battery (29) to be injected is placed inside the lithium-ion battery rack (28).

2. A soft-pack lithium-ion battery liquid injection machine according to claim 1, characterized in that: An anti-sliding block is provided at the bottom of the supporting foot (11), and the number of the supporting columns (21) is four.

3. The soft-pack lithium-ion battery liquid filling machine according to claim 1, characterized in that: The two ends of the liquid collecting box (24) are respectively provided with a liquid inlet and a liquid outlet, and a connecting rod is provided between the placement plate (22) and the liquid collecting box (24).

4. The soft-pack lithium-ion battery liquid filling machine according to claim 1, characterized in that: A placement hole is provided on the surface of the lithium-ion battery rack (28), and a handle is provided on one side of the surface of the lithium-ion battery rack (28).

5. The soft-pack lithium-ion battery liquid injection machine according to claim 2, characterized in that: The horizontal reaction mechanism (3) comprises a sliding plate (31), the sliding plate (31) is movably mounted on the surface of the support column (21), and a mounting groove (32) is provided on the surface of the sliding plate (31).

6. A soft-pack lithium-ion battery liquid injection machine according to claim 5, characterized in that: An infrared level (33) is fixedly mounted on the surface of the mounting groove (32), hydraulic rods (34) are fixedly connected to both sides of the mounting groove (32), and the top of the hydraulic rod (34) is covered with a shock absorbing spring.

7. A soft-pack lithium-ion battery liquid injection machine according to claim 6, characterized in that: The input end of the hydraulic rod (34) is connected to the power supply box body (23) by electric wire, and the infrared level meter (33) is horizontally aligned with the battery (29) to be filled with liquid.

Images