Lifting type rotary spraying equipment for lithium battery shell

Abstract

The utility model discloses lifting type rotary spraying equipment for a lithium battery shell. The lifting type rotary spraying equipment comprises a rack, a lifting table, a rotating table, a lifting driving mechanism, a rotary driving mechanism and a spraying gun, a spraying station is arranged on the rack; the lifting platform is mounted on the rack; the rotating table is rotationally mounted on the lifting table, and a plurality of fixing parts which are distributed in a circumferential manner and are used for fixing a lithium battery shell are mounted on the rotating table; the lifting driving mechanism is used for driving the lifting platform to lift; the rotary driving mechanism is used for driving the rotary table to rotate so as to drive the lithium battery shell to enter the spraying station; the spraying gun is arranged at the spraying station and used for spraying the lithium battery shell located at the spraying station. According to the utility model, the single spraying quantity of the spraying gun is reduced, and each side surface of the lithium battery shell is thinly coated for multiple times, so that the uniform spraying of the lithium battery shell can be realized; and the mode that the multiple lithium battery shells are alternately sprayed is adopted, and the working efficiency can be improved.

Description

Technical Field

[0001] This utility model relates to the field of battery casing processing technology, and in particular to a lifting and rotating spraying device for lithium battery casings. Background Technology

[0002] The main materials used for lithium battery casings include aluminum alloys, stainless steel, and plastics. Among these, aluminum alloys are the preferred material due to their excellent electrical and thermal conductivity, corrosion resistance, and relatively light weight. Before being released to the market, lithium battery casings require a layer of anti-corrosion coating to extend their lifespan. A well-applied, continuous, and intact paint coating acts as a barrier against corrosive media. Manual spraying is time-consuming and labor-intensive, while automated spraying equipment offers high efficiency.

[0003] Currently, the coating process for lithium battery casings involves continuously spraying ink droplets from a spray gun. These droplets are then coated onto the surface of the battery cell to form a film. However, increasing the amount of ink sprayed can lead to a significant difference between the actual and specified values ​​of the sprayed ink, resulting in poor uniformity of the film layer formed on the battery cell surface. Utility Model Content

[0004] Therefore, the purpose of this utility model is to provide a lifting and rotating spraying device for lithium battery casings to achieve uniform spraying of lithium battery casings.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] This utility model provides a lithium battery casing lifting and rotary spraying device, which includes a frame, a lifting platform, a rotating platform, a lifting drive mechanism, a rotating drive mechanism, and a spray gun; a spraying station is provided on the frame; the lifting platform is installed on the frame; the rotating platform is rotatably installed on the top of the lifting platform, and a plurality of circumferentially distributed clamps for fixing the lithium battery casing are installed on the rotating platform; the lifting drive mechanism is used to drive the lifting platform to lift and lower; the rotating drive mechanism is used to drive the rotating platform to rotate so as to move the lithium battery casing into the spraying station; the spray gun is set at the spraying station and is used to spray the lithium battery casing located at the spraying station.

[0007] As a further improvement to the above-mentioned solution of this utility model, the lifting drive mechanism includes two screws and a lifting drive unit. Two vertically opposite support frames are mounted on the frame. Each of the two support frames has a vertically arranged mounting groove on one side. The two screws are respectively vertically arranged in the two mounting grooves. One end of the screw is rotatably connected to the frame and the other end is rotatably connected to the corresponding support frame. Two side plates are connected to the lifting platform. The two side plates are threadedly connected to the two screws respectively. The lifting drive unit is used to drive the two screws to rotate synchronously.

[0008] As a further improvement of the above-mentioned solution of this utility model, the lifting drive unit includes a lifting motor, a synchronous toothed belt and two synchronous pulleys. The lifting motor is mounted on the top of one of the support frames through a mounting base and its output shaft is connected to the screw inside the support frame. The two synchronous pulleys are respectively mounted on the two screws, and the synchronous toothed belt is connected to the two synchronous pulleys.

[0009] As a further improvement of the above-mentioned solution of this utility model, two spraying stations are provided on the frame, and two spray guns are provided. The two spray guns are respectively set at the two spraying stations, and mounting plates are installed on the top of the two support frames. The two spray guns are respectively mounted on the two mounting plates.

[0010] As a further improvement of the above-mentioned solution of this utility model, the rotary drive mechanism includes a rotary motor and a plane bearing; the rotary motor is installed at the bottom of the lifting platform, the plane bearing is installed at the top of the lifting platform, the output shaft of the rotary motor passes through the lifting platform and the plane bearing and is connected to the rotating platform, and the output shaft of the rotary motor rotates in coordination with the lifting platform.

[0011] As a further improvement to the above-mentioned solution of this utility model, a clearance through hole is provided on the frame at a position corresponding to the rotary motor to avoid the rotary motor.

[0012] As a further improvement to the above-mentioned solution of this utility model, the clamp includes two clamping cylinders arranged opposite to each other, and the telescopic ends of the two clamping cylinders are connected to grippers.

[0013] Compared with the prior art, the present invention has the following beneficial effects:

[0014] This utility model provides a lifting and rotating spraying device for lithium battery casings. The lithium battery casing to be sprayed is fixed by a clamp on a rotating table. A lifting drive mechanism drives the lifting table to a predetermined height, and then a rotating drive mechanism drives the rotating table to rotate, allowing the lithium battery casing to enter the spraying station. During spraying, the amount of paint sprayed by the spray gun is reduced per pass, and multiple thin coats are applied to each side of the lithium battery casing. The spray gun automatically stops after completing one thin coat on one side. During the stoppage of the spray gun, the rotating drive mechanism drives the rotating table to rotate, allowing the next lithium battery casing to enter the spraying station. Multiple lithium battery casings can be sprayed simultaneously. Alternating spraying of the battery casing improves work efficiency; this cycle allows for multiple thin coatings on multiple lithium battery casings, resulting in a smooth and even coating on each casing surface. This invention employs multiple thin coatings to control the thickness of each wet film, preventing uneven thickness edges caused by exceeding critical thickness values. Furthermore, multi-layer thin coatings ensure the ink's fluidity and adhesion on the lithium battery casing surface, guaranteeing uniform adhesion regardless of the casing's irregular shape and preventing accumulation. Thin coatings also result in more uniform distribution of atomized paint particles, improving adsorption efficiency and reducing scattering and waste. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of a lithium battery casing lifting and rotating spraying device according to an embodiment of the present invention;

[0016] Figure 2 This is another perspective view of a lithium battery casing lifting and rotating spraying device proposed in an embodiment of the present invention;

[0017] Figure 3 This is a partially exploded view of a lithium battery casing lifting and rotating spraying device according to an embodiment of the present invention;

[0018] Figure 4 This is a half-sectional view of a lithium battery casing lifting and rotating spraying device proposed in an embodiment of the present invention.

[0019] Reference numerals: 1. Frame; 2. Lifting platform; 3. Rotating platform; 4. Spray gun; 5. Screw; 6. Support frame; 7. Mounting slot; 8. Side plate; 9. Lifting motor; 10. Synchronous toothed belt; 11. Synchronous pulley; 12. Rotary motor; 13. Flat bearing; 14. Clearance through hole; 15. Clamping cylinder; 16. Gripper; 17. Mounting base; 18. Mounting plate. Detailed Implementation

[0020] To facilitate understanding of this invention, a more comprehensive description of the invention will be provided below with reference to specific embodiments. However, this invention can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to enable a more thorough and complete understanding of the disclosure of this invention.

[0021] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used in this specification is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

[0022] Reference Figure 1 , Figure 2 This embodiment proposes a lithium battery casing lifting and rotating spraying device, which includes a frame 1, a lifting platform 2, a rotating platform 3, a lifting drive mechanism, a rotating drive mechanism, and a spray gun 4.

[0023] The frame 1 provides a mounting surface for other components of the spraying equipment. Two vertically arranged support frames 6 are mounted on the frame 1, and each support frame 6 has a vertically arranged mounting slot 7 on one side of its opposite side. A mounting plate is installed on the top of each support frame 6.

[0024] In this embodiment, there are two spray guns 4, which are respectively mounted on two mounting plates. The positions of the two spray guns 4 form a spraying station. When the lithium battery casing is in the spraying station, the spray guns 4 can perform spraying work on the lithium battery casing.

[0025] The lifting platform 2 is connected to two side plates 8, which extend into the mounting slots 7 of the two support frames 6 respectively. In this embodiment, the lifting platform 2 adopts a disc-shaped structure. Of course, in other embodiments, the lifting platform 2 can also adopt other shapes such as elliptical or square.

[0026] The lifting drive mechanism is used to drive the lifting platform 2 to rise and fall. In this embodiment, the lifting drive mechanism includes two screws 5 and a lifting drive unit. The lifting drive unit includes a lifting motor 9, a synchronous toothed belt 10, and two synchronous pulleys 11. The two screws 5 are of the same specification and are vertically arranged in two mounting slots 7. One end of the screw 5 is rotatably connected to the frame 1 through a bearing, and the other end is rotatably connected to the corresponding support frame 6 through a bearing. The bearing can improve the stability of the screw 5 during rotation and ensure that the screw 5 will not deviate during rotation. The two screws 5 pass through two side plates 8 respectively and are threadedly connected to the two side plates 8 respectively. The lifting motor 9 is mounted on the top of one of the support frames 6 through a mounting base, and its output shaft is driven by the screw 5 in the support frame 6. The two synchronous pulleys 11 are of the same specification and are respectively mounted on the two screws 5. The synchronous toothed belt 10 is driven by the two synchronous pulleys 11. Thus, when the lifting motor 9 starts, under the transmission of the synchronous toothed belt 10 and the synchronous pulley 11, it can drive the two screws 5 to rotate synchronously, thereby driving the lifting platform 2 to rise and fall.

[0027] The rotating platform 3 is positioned above the lifting platform 2. In this embodiment, the rotating platform 3 adopts a disc-shaped structure; however, in other embodiments, the rotating platform 3 can also adopt other shapes such as elliptical or square. Four sets of clamps evenly distributed around the circumference of the rotating platform 3 are installed for fixing the lithium battery casing. Figure 3 Each set of clamps includes two clamping cylinders 15 arranged opposite each other, and the telescopic ends of the two clamping cylinders 15 are connected to grippers 16.

[0028] A rotary drive mechanism is used to drive the rotating platform 3 to rotate, thereby moving the two lithium battery casings into the two painting stations respectively. In this embodiment, the rotary drive mechanism includes a rotary motor 12 and a plane bearing 13. The rotary motor 12 is installed at the bottom of the lifting platform 2, and the plane bearing 13 is installed at the top of the lifting platform 2. The output shaft of the rotary motor 12 passes through the lifting platform 2 and the plane bearing 13 and is connected to the rotating platform 3, with the output shaft of the rotary motor 12 rotating in conjunction with the lifting platform 2. Thus, when the rotary motor 12 is started, it can drive the rotating platform 3 to rotate. In this embodiment, the rotating platform 3 can move up and down with the lifting platform 2, and the rotary motor 12 can also move up and down with the lifting platform 2, combined with... Figure 4 To avoid interference with the rotary motor 12, a clearance through hole 14 is provided on the frame 1 at a position corresponding to the rotary motor 12 to allow the rotary motor 12 to pass.

[0029] When using the lifting rotary spraying equipment of this embodiment to spray lithium battery casings, four sets of lithium battery casings can be simultaneously fixed on the rotating table 3 by four sets of clamps. At this time, the reverse rotation function of the lifting motor 9 can be activated to drive the corresponding screw 5 to rotate in the reverse direction. While the screw 5 is rotating in the reverse direction, it will drive another screw 5 to rotate synchronously through the synchronous pulley 11 and the synchronous toothed belt 10. At this time, the two screws 5 rotate synchronously in the opposite direction. At this time, the two side plates 8 will move upward on the two screws 5 respectively. When the two side plates 8 drive the lifting table 2 to move upward, the rotary motor 12 can be activated to drive the rotating table 3 to rotate, thereby driving the four lithium battery casings to be sprayed to rotate simultaneously, so that two of the lithium battery casings enter the two spraying stations respectively. Then the rotary motor 12 is turned off; when the lifting table 2. When the lithium battery casing is raised to the appropriate position, the lifting motor 9 can be turned off. At this time, the spray gun 4 can be started to perform the first thin coating operation on the first side of the corresponding lithium battery casing. The spray volume of the spray gun 4 is controlled (e.g., 20ml) to control the thickness of each wet film layer. After the first side is coated once, the spray gun 4 stops spraying. At the same time, the rotary motor 12 is started so that the other two lithium battery casings can enter the two spraying stations respectively. Then the rotary motor 12 is turned off, and the spray gun 4 starts to perform the thin coating operation on the first side of the corresponding lithium battery casing. After the first side of all lithium battery casings has been coated once, the first side of each lithium battery casing is coated multiple times according to the above steps, so as to achieve uniform coating on the surface of the lithium battery casing and improve the uniformity of the coating on the surface of the lithium battery casing. After the first side of each lithium battery casing is coated, the state of the lithium battery casing is adjusted, and the next side of each lithium battery casing is coated according to the above steps. This utility model adopts multiple thin coatings. By controlling the thickness of each wet film, uniform coating of each side of the lithium battery casing is finally achieved, thereby forming a smooth and flat coating on the surface of the lithium battery casing.

[0030] It should be noted that when a component is said to be "installed on" another component, it can be directly on the other component or it may be in a component that is centered on it. When a component is said to be "set on" another component, it can be directly set on the other component or it may also be in a component that is centered on it. When a component is said to be "fixed to" another component, it can be directly fixed to the other component or it may also be in a component that is centered on it.

[0031] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "or / and" as used herein includes any and all combinations of one or more of the associated listed items.

[0032] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0033] The embodiments described above are merely illustrative of several implementations of this utility model, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model patent should be determined by the appended claims.

Claims

1. A lifting and rotating spraying device for lithium battery casings, characterized in that, It includes a frame (1), a lifting platform (2), a rotating platform (3), a lifting drive mechanism, a rotating drive mechanism, and a spray gun (4); a spraying station is provided on the frame (1); the lifting platform (2) is installed on the frame (1); the rotating platform (3) is rotatably installed on the top of the lifting platform (2), and several clamps distributed in a circle and used to fix the lithium battery casing are installed on the rotating platform (3); the lifting drive mechanism is used to drive the lifting platform (2) to lift; the rotating drive mechanism is used to drive the rotating platform (3) to rotate so as to drive the lithium battery casing into the spraying station; the spray gun (4) is set at the spraying station and is used to spray the lithium battery casing at the spraying station.

2. The lithium battery casing lifting rotary spraying equipment according to claim 1, characterized in that, The lifting drive mechanism includes two screws (5) and a lifting drive unit. Two vertically opposite support frames (6) are installed on the frame (1). Each of the two support frames (6) has a vertically arranged mounting groove (7) on one side. The two screws (5) are vertically arranged in the two mounting grooves (7). One end of the screw (5) is rotatably connected to the frame (1) and the other end is rotatably connected to the corresponding support frame (6). Two side plates (8) are connected to the lifting platform (2). The two side plates (8) are threadedly connected to the two screws (5). The lifting drive unit is used to drive the two screws (5) to rotate synchronously.

3. The lithium battery casing lifting rotary spraying equipment according to claim 2, characterized in that, The lifting drive unit includes a lifting motor (9), a synchronous toothed belt (10), and two synchronous pulleys (11). The lifting motor (9) is mounted on the top of one of the support frames (6) via a mounting base (17), and its output shaft is connected to the screw (5) inside the support frame (6). The two synchronous pulleys (11) are respectively mounted on the two screws (5), and the synchronous toothed belt (10) is connected to the two synchronous pulleys (11).

4. The lithium battery casing lifting rotary spraying equipment according to claim 2, characterized in that, The frame (1) is equipped with two spraying stations and two spray guns (4). The two spray guns (4) are respectively set at the two spraying stations. The top of the two support frames (6) is equipped with mounting plates (18), and the two spray guns (4) are respectively mounted on the two mounting plates (18).

5. The lithium battery casing lifting rotary spraying equipment according to claim 1, characterized in that, The rotary drive mechanism includes a rotary motor (12) and a plane bearing (13); the rotary motor (12) is installed at the bottom of the lifting platform (2), and the plane bearing (13) is installed at the top of the lifting platform (2). The output shaft of the rotary motor (12) passes through the lifting platform (2) and the plane bearing (13) and is connected to the rotating platform (3). The output shaft of the rotary motor (12) rotates with the lifting platform (2).

6. The lithium battery casing lifting rotary spraying equipment according to claim 5, characterized in that, A clearance through hole (14) is provided on the frame (1) at a position corresponding to the rotary motor (12) to allow the rotary motor (12) to pass.

7. The lithium battery casing lifting rotary spraying equipment according to claim 1, characterized in that, The clamp includes two clamping cylinders (15) arranged opposite to each other, and the telescopic ends of the two clamping cylinders (15) are connected to grippers (16).

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