A film coating device for energy storage battery production

Abstract

The utility model relates to battery production technical field, concretely relates to a kind of film wrapping devices for energy storage battery production, including base, the cylindrical that the base upper end is penetrated and is rotatably connected, the hollow fixing disc is fixedly connected in the cylindrical upper end, multiple adsorption holes are set in the inner top of the hollow fixing disc, and the air extraction mechanism that the hollow fixing disc is extracted vacuum is equipped in the base;The moving mechanism is equipped in the base, and the moving mechanism includes the two guide rails of fixed connection in the base upper end, and the slide plate is slidably connected in the common sidewall of two guide rails.This utility model sets up moving mechanism, and two electric push rod elongation or shrink, can drive the slide plate to move, drive the unwinding drum and insulating film to move, then when the film of different size energy storage battery is wrapped, the position of insulating film and the surface of energy storage battery can be adjusted to be in horizontal position, avoid that the tensile force that insulating film receives is too large and easily falls off, improve film wrapping efficiency.

Description

Technical Field

[0001] This utility model relates to the field of battery production technology, and specifically to a coating device for energy storage battery production. Background Technology

[0002] Energy storage batteries mainly come in three forms: square, cylindrical, and pouch. After the energy storage battery is manufactured, in order to prevent surface scratches during subsequent transportation and assembly, a layer of insulating film with one-sided adhesion is wrapped around the surface of the battery to serve as waterproof and dustproof.

[0003] Currently, the main coating process is for square and cylindrical energy storage batteries. The coating method involves first fixing and rotating the energy storage battery, and then transporting the insulating film to the surface of the energy storage battery for coating. During the transport process, the position of the insulating film is fixed. For energy storage batteries of different sizes, the connection between the insulating film and the surface of the energy storage battery is initially inclined. At this time, the insulating film will be subjected to a large tensile force, which can easily cause the insulating film to fall off, affecting the coating efficiency. Utility Model Content

[0004] The purpose of this invention is to address the shortcomings of existing technologies by proposing a coating device for energy storage battery production.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: A coating device for energy storage battery production includes a base, a cylinder rotatably connected through the upper end of the base, a hollow fixed disk fixedly connected to the upper end of the cylinder, a plurality of adsorption holes being opened in the top of the hollow fixed disk, and a vacuum pumping mechanism for evacuating the hollow fixed disk being provided on the base. The base is provided with a moving mechanism, which includes two guide rails fixedly connected to the upper end of the base. The side walls of the two guide rails are slidably connected to a slide plate. The upper end of the slide plate is connected to a unwinding drum through an installation mechanism. The side wall of the unwinding drum is wrapped with an insulating film. A vertical plate is fixedly connected to the upper end of the base. Two electric push rods are fixedly connected to the side wall of the vertical plate. The movable ends of the two electric push rods are fixedly connected to the side wall of the slide plate.

[0006] Preferably, the air extraction mechanism includes a dual-purpose air pump for both filling and suction. The lower end of the base is fixedly connected to the rotary joint via a bracket. A metal tube is fixedly connected through the bottom of the hollow fixed plate. The lower end of the metal tube is fixedly connected to the upper end of the rotary joint. The lower end of the rotary joint is fixedly connected to the dual-purpose air pump for both filling and suction via a flexible hose.

[0007] Preferably, a first motor is fixedly connected to the lower end of the base via a bracket, and gears are fixedly connected to both the side wall of the movable shaft of the first motor and the side wall of the metal tube, with the two gears meshing with each other.

[0008] Preferably, the mounting mechanism includes a frame opening on the base, a second motor is fixedly connected to the lower end of the slide plate, the second motor is located inside the frame opening, a vertical rod is fixedly connected to the movable end of the second motor, a first ring is fixedly connected to the lower side wall of the vertical rod, the unwinding drum is sleeved on the vertical rod, and the lower end of the unwinding drum is in contact with the upper end of the first ring, a second ring is sleeved on the side wall of the vertical rod above the unwinding drum, and a nut is threadedly connected to the side wall of the vertical rod.

[0009] Preferably, the upper end of the slide plate near the hollow fixed plate is rotatably connected to a conveying roller via a rotating shaft, and the sidewall of the insulating film is in contact with the sidewall of the conveying roller.

[0010] Preferably, a heating plate in the shape of a "U" is fixedly connected to the upper end of the base, and the heating plate is located outside the hollow fixed plate.

[0011] This utility model has the following beneficial effects: 1. A moving mechanism is set up. Two electric push rods extend or retract, which can drive the slide plate to move, and drive the unwinding drum and insulating film to move. When wrapping energy storage batteries of different sizes, the position of the insulating film can be adjusted to be horizontal with the surface of the energy storage battery, so as to avoid excessive tension on the insulating film and easy to fall off, thus improving the wrapping efficiency.

[0012] 2. The conveyor rollers can smooth out the insulating film during the conveying process and prevent wrinkles from appearing on its surface. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the structure of a coating device for energy storage battery production proposed in this utility model; Figure 2 for Figure 1 A schematic diagram of the vertical sectional structure; Figure 3 for Figure 2 Enlarged structural diagram at point A; Figure 4 for Figure 1 A schematic diagram of the vertical sectional structure of the installation mechanism; Figure 5 for Figure 4 Enlarged structural diagram at point B; Figure 6 for Figure 1 A schematic diagram of the rear view structure.

[0014] In the diagram: 1. Base; 2. Cylinder; 3. Hollow fixed plate; 4. Adsorption hole; 5. Rotary joint; 6. Metal tube; 7. Air pump for both filling and suction; 8. Hose; 9. First motor; 10. Gear; 11. Heating plate; 12. Guide rail; 13. Slide plate; 14. Frame opening; 15. Second motor; 16. Vertical rod; 17. First ring; 18. Unwinding drum; 19. Second ring; 20. Nut; 21. Insulating film; 22. Conveyor roller; 23. Vertical plate; 24. Electric push rod. Detailed Implementation

[0015] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0016] Reference Figures 1-6 A coating device for energy storage battery production includes a base 1, a cylinder 2 rotatably connected to the upper end of the base 1, a hollow fixed plate 3 fixedly connected to the upper end of the cylinder 2, a plurality of adsorption holes 4 are opened in the top of the hollow fixed plate 3, and a vacuum pumping mechanism for evacuating the hollow fixed plate 3 is provided on the base 1.

[0017] The air extraction mechanism includes a dual-purpose air pump 7 for both filling and suction. The lower end of the base 1 is fixedly connected to the rotary joint 5 via a bracket. A metal pipe 6 is fixedly connected through the bottom of the hollow fixed plate 3. The lower end of the metal pipe 6 is fixedly connected to the upper end of the rotary joint 5. The lower end of the rotary joint 5 is fixedly connected to the dual-purpose air pump 7 for both filling and suction via a flexible hose 8.

[0018] Furthermore, the rotary joint 5 is a pipe connection device that allows the connected pipes to rotate relative to each other, so that when the metal pipe 6 rotates, the hose 8 will not rotate. The dual-purpose air pump 7 can both draw air from the hose 8 and inflate the hose 8. Its principle is based on existing technology (refer to a dual-purpose built-in air pump disclosed in CN219197725U). When the dual-purpose air pump 7 draws air from the hose 8, air is also drawn from the hollow fixed plate 3 through the rotary joint 5 and the metal pipe 6, creating a negative pressure inside the hollow fixed plate 3, which tightly attracts the energy storage battery located above the hollow fixed plate 3. When the dual-purpose air pump 7 inflates the hose 8, it balances the pressure inside the hollow fixed plate 3, making it easier to remove the energy storage battery above the hollow fixed plate 3.

[0019] The lower end of the base 1 is fixedly connected to the first motor 9 via a bracket. Gears 10 are fixedly connected to the side wall of the movable shaft of the first motor 9 and the side wall of the metal tube 6, and the two gears 10 mesh with each other.

[0020] The base 1 is equipped with a moving mechanism, which includes two guide rails 12 fixedly connected to the upper end of the base 1. The side walls of the two guide rails 12 are slidably connected to a slide plate 13. The upper end of the slide plate 13 is connected to a unwinding drum 18 through an installation mechanism. The side wall of the unwinding drum 18 is wrapped with an insulating film 21. The upper end of the base 1 is fixedly connected to a vertical plate 23. The side wall of the vertical plate 23 is fixedly connected to two electric push rods 24. The movable ends of the two electric push rods 24 are fixedly connected to the side wall of the slide plate 13.

[0021] The extension or retraction of the two electric push rods 24 can move the slide plate 13, which in turn moves the unwinding drum 18 and the insulating film 21. When wrapping energy storage batteries of different sizes, the position of the insulating film 21 can be adjusted to be horizontal with the surface of the energy storage battery, so as to avoid excessive tension on the insulating film 21 and easy detachment, thereby improving the wrapping efficiency.

[0022] The upper end of the slide plate 13 near the hollow fixed plate 3 is rotatably connected to the conveying roller 22 via a rotating shaft. The side wall of the insulating film 21 is in contact with the side wall of the conveying roller 22, which can smooth the insulating film 21 during the conveying process and avoid wrinkles on its surface.

[0023] The mounting mechanism includes a frame opening 14 on the base 1. A second motor 15 is fixedly connected to the lower end of the slide plate 13. The second motor 15 is located inside the frame opening 14. A vertical rod 16 is fixedly connected to the movable end of the second motor 15. A first ring 17 is fixedly connected to the lower side wall of the vertical rod 16. A unwinding drum 18 is sleeved on the vertical rod 16, and the lower end of the unwinding drum 18 is in contact with the upper end of the first ring 17. A second ring 19 is sleeved on the side wall of the vertical rod 16 above the unwinding drum 18, and a nut 20 is threadedly connected to the side wall of the vertical rod 16.

[0024] A heating plate 11 in the shape of a "U" is fixedly connected to the upper end of the base 1. The heating plate 11 is located outside the hollow fixed plate 3, which facilitates heating and drying the insulating film 21 to adhere to the surface of the energy storage battery, thus achieving coating.

[0025] When coating the surface of the energy storage battery, firstly, the unwinding drum 18 is fitted onto the vertical rod 16. Then, the second ring 19 is fitted onto the upper end of the vertical rod 16, and the nut 20 is rotated so that the nut 20 moves down and the second ring 19 abuts against the upper end of the unwinding drum 18, thus completing the installation and fixing of the unwinding drum 18. Then, the energy storage battery is placed on the top of the hollow fixed plate 3, and the charging and suction dual-purpose air pump 7 is started. When the charging and suction dual-purpose air pump 7 draws air from the hose 8, air is also drawn from the hollow fixed plate 3 through the rotary joint 5 and the metal tube 6, so that the hollow fixed plate 3 is under negative pressure, which tightly adsorbs the energy storage battery located above the hollow fixed plate 3. The insulating film 21 is then passed through the conveyor roller 22, and the two electric push rods 24 are extended or retracted according to the size of the energy storage battery. This can drive the slide plate 13 to move, which in turn drives the unwinding drum 18 and the insulating film 21 to move, so that the position of the insulating film 21 is adjusted to be horizontal with the surface of the energy storage battery. This prevents the insulating film 21 from being subjected to excessive tension and easily falling off, thereby improving the wrapping efficiency. Subsequently, the staff activated the heating plate 11 and started the second motor 15 to rotate, driving the unwinding drum 18 to unwind the insulating film 21. Then, the insulating film 21 was stretched and attached to the side wall of the energy storage battery. The part of the insulating film 21 attached to the energy storage battery was dried to achieve the connection between the insulating film 21 and the energy storage battery. Then, the first motor 9 was started to rotate, which drove the metal tube 6 to rotate through the two gears 10. Through the rotation of the cylinder 2, the hollow fixed plate 3 and the energy storage battery, the insulating film 21 was wrapped around the energy storage battery, achieving the surface coating treatment of the energy storage battery.

[0026] The above are merely preferred embodiments of this utility model, but the scope of protection of this utility model is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in this utility model, based on the technical solution and inventive concept of this utility model, should be included within the scope of protection of this utility model.

Claims

1. A coating device for energy storage battery production, comprising a base (1), characterized in that, A cylinder (2) is penetratingly and rotatably connected to the upper end of the machine base (1), a hollow fixed plate (3) is fixedly connected to the upper end of the cylinder (2), a plurality of adsorption holes (4) are provided on the inner top of the hollow fixed plate (3), and an air extraction mechanism for vacuumizing the interior of the hollow fixed plate (3) is provided on the machine base (1); A moving mechanism is provided on the machine base (1), the moving mechanism comprises two guide rails (12) fixedly connected to the upper end of the machine base (1), a sliding plate (13) is jointly slidably connected to the side walls of the two guide rails (12), a discharging roller (18) is connected to the upper end of the sliding plate (13) through a mounting mechanism, an insulating film (21) is wound on the side wall of the discharging roller (18), a vertical plate (23) is fixedly connected to the upper end of the machine base (1), two electric push rods (24) are fixedly connected to the side wall of the vertical plate (23), and the movable ends of the two electric push rods (24) are both fixedly connected to the side wall of the sliding plate (13).

2. The coating device for energy storage battery production according to claim 1, characterized in that, The air extraction mechanism comprises a dual-purpose air charging and extracting pump (7), the lower end of the machine base (1) is fixedly connected to a rotary joint (5) through a bracket, a metal pipe (6) is penetratingly and fixedly connected to the inner bottom of the hollow fixed plate (3), the lower end of the metal pipe (6) is fixedly communicated with the upper end of the rotary joint (5), and the lower end of the rotary joint (5) is fixedly communicated with the dual-purpose air charging and extracting pump (7) through a hose (8).

3. The coating device for energy storage battery production according to claim 2, characterized in that, A first motor (9) is fixedly connected to the lower end of the machine base (1) through a bracket, gears (10) are fixedly connected to both the side wall of the movable shaft of the first motor (9) and the side wall of the metal pipe (6), and the two gears (10) are meshed with each other.

4. The coating device for energy storage battery production according to claim 1, characterized in that, The mounting mechanism comprises a frame opening (14) opened on the machine base (1), a second motor (15) is fixedly connected to the lower end of the sliding plate (13), the second motor (15) is located in the frame opening (14), a vertical rod (16) is fixedly connected to the movable end of the second motor (15), a first ring (17) is fixedly connected to the lower part of the side wall of the vertical rod (16), the discharging roller (18) is sleeved on the vertical rod (16), the lower end of the discharging roller (18) is attached to the upper end of the first ring (17), a second ring (19) is sleeved on the side wall of the vertical rod (16) located above the discharging roller (18), and a nut (20) is threadedly connected to the side wall of the vertical rod (16).

5. The coating device for energy storage battery production according to claim 1, characterized in that, A conveying roller (22) is rotatably connected to the upper end of the sliding plate (13) close to the hollow fixed plate (3) through a rotating shaft, and the side wall of the insulating film (21) is attached to the side wall of the conveying roller (22).

6. The coating device for energy storage battery production according to claim 1, characterized in that, A U-shaped heating plate (11) is fixedly connected to the upper end of the machine base (1), and the heating plate (11) is located outside the hollow fixed plate (3).

Images