A drum coating device for current collector production

Abstract

The present invention discloses a drum-type coating device for current collector production, comprising a coating machine body, an ultraviolet irradiation mechanism and a coating mechanism, a controller is installed at the bottom of the surface of the coating machine body, and slots are opened on both sides of the bottom of the surface of the coating machine body, the ultraviolet irradiation mechanism is welded to both ends of the inner wall of the coating machine body, and a heating plate is attached to the inner wall of the coating machine body, and the coating mechanism is installed on the inner wall of the slide slot. This drum-type coating device for current collector production, through the ultraviolet irradiation mechanism and the heating plate, is convenient for coating objects, through the ultraviolet lamps in the ultraviolet irradiation mechanism arranged at both ends of the inner wall of the coating machine body to provide ultraviolet irradiation to the coated objects, and at the same time, the objects are heated by the heating plate, so that the film adsorbed on the object can be photocured more quickly, thereby improving the coating efficiency.

Description

Technical Field

[0001] The present invention relates to the technical field related to lithium batteries, and in particular to a drum-type coating device for current collector production. Background Art

[0002] From a structural point of view, lithium batteries include positive electrode active materials and negative electrode active materials. The positive electrode active materials and negative electrode active materials need to be loaded on a current collector, which conducts the current for power supply.

[0003] In the existing current collector, a plastic film is usually used as a carrier, and copper or aluminum is plated on the surface of the plastic film to form a conductive film layer, thereby forming a negative electrode or positive electrode current collector. In the copper or aluminum plating process, a drum coating device is currently generally used, but the current drum coating device does not have a measure to accelerate the curing of the film, and the film is adsorbed on the surface of the object in an uneven state. At the same time, the traditional coating equipment is large in size and is not convenient for installation and transportation. Summary of the invention

[0004] The object of the present invention is to provide a drum-type coating equipment for current collector production, so as to solve the problems raised in the above background technology that the currently used drum-type coating equipment has no measures to accelerate the solidification of the film, and the film is adsorbed on the surface of the object in an uneven state. At the same time, the traditional coating equipment is large in size and inconvenient to install and transport.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a drum-type coating equipment for current collector production, comprising a coating machine body, an ultraviolet irradiation mechanism and a coating mechanism, a controller is installed at the bottom end of the surface of the coating machine body, and card slots are opened on both sides of the bottom end of the surface of the coating machine body, the ultraviolet irradiation mechanisms are welded to the two ends of the inner wall of the coating machine body, and a heating plate is attached to the inner wall of the coating machine body, heating wires are installed at the upper and lower ends of the inner wall of the heating plate, a rotating shaft is installed at the top of the coating machine body, and a sealing cover is installed at the top of the rotating shaft, blocks are welded on both sides of the top of the sealing cover, and slide grooves are opened at both ends of the inner wall of the sealing cover, and the coating mechanism is installed on the inner wall of the slide groove.

[0006] Preferably, the ultraviolet irradiation mechanism includes a mounting seat, a fixing nut and an ultraviolet lamp, the mounting seats are welded to both ends of the inner wall of the coating machine body, the outer wall of the mounting seat is screwed connected with a fixing nut, and the bottom end of the fixing nut is screwed connected with the ultraviolet lamp.

[0007] Preferably, the ultraviolet lamp is threadedly connected to the mounting seat via a fixing nut, and the inner wall of the fixing nut and the outer wall of the mounting seat are both threadedly arranged.

[0008] Preferably, the bottom end of the heating plate is tightly fitted with the inner wall of the coating machine body, and the size of the heating plate is smaller than the size of the coating machine body.

[0009] Preferably, the sealing cover forms a rotating structure with the coating machine body through a rotating shaft, and the length of the rotating shaft is smaller than the length of the sealing cover.

[0010] Preferably, the coating mechanism includes a telescopic rod, a slider, a driving shaft, a micro motor and a coating roller, the telescopic rod is installed at the top of the inner wall of the slide groove, the bottom end of the telescopic rod is welded with a slider, and the inner wall of the slider is installed with a driving shaft, one end of the outer wall of the driving shaft is installed with a micro motor, and the other end of the outer wall of the driving shaft is installed with a coating roller.

[0011] Preferably, the coating roller is slidably connected to the sealing cover via a slider, and the outer wall size of the slider matches the inner wall size of the slide groove.

[0012] Compared with the prior art, the present invention has the following beneficial effects:

[0013] 1. The drum coating equipment for current collector production is provided with an ultraviolet irradiation mechanism and a heating plate, so that when coating an object, the ultraviolet lamps in the ultraviolet irradiation mechanism provided at both ends of the inner wall of the coating machine body can provide ultraviolet irradiation to the coated object, and the heating plate heats the object at the same time, so as to more quickly photo-cure the film adsorbed on the object, thereby improving the coating efficiency;

[0014] 2. This kind of drum coating equipment for current collector production has a coating mechanism, which makes it easy to coat an object. The sliding block is driven by the telescopic rod to drive the coating roller to move up and down, and the coating roller is driven to rotate by the micro motor. The coating roller moves up and down to make the film evenly coated on the surface of the object.

[0015] 3. The drum-type coating equipment for current collector production has a rotating shaft and a sealing cover, so that when coating an object, the sealing cover can be driven to close by the rotating shaft to provide a sealing effect for the inside of the coating machine body. At the same time, the coating machine is lightweight in design, easy to use, and convenient to transport and carry. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a top cross-sectional view of the present invention;

[0017] Figure 2 It is the parts diagram of the coating mechanism of the present invention;

[0018] Figure 3 It is the parts diagram of the ultraviolet irradiation mechanism of the present invention;

[0019] Figure 4This is a top cross-sectional view of the heating plate and the heating wire of the present invention.

[0020] In the figure: 1. coating machine body; 2. controller; 3. card slot; 4. ultraviolet irradiation mechanism; 401. mounting seat; 402. fixing nut; 403. ultraviolet lamp; 5. heating plate; 6. heating wire; 7. rotating shaft; 8. sealing cover; 9. card block; 10. slide slot; 11. coating mechanism; 1101. telescopic rod; 1102. slider; 1103. driving shaft; 1104. micro motor; 1105. coating roller. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0022] See also Figure 1-4 The present invention provides a technical solution: a drum coating device for current collector production, comprising a coating machine body 1, an ultraviolet irradiation mechanism 4 and a coating mechanism 11, a controller 2 is installed at the bottom end of the surface of the coating machine body 1, and slots 3 are opened on both sides of the bottom end of the surface of the coating machine body 1, the ultraviolet irradiation mechanism 4 is welded to the two ends of the inner wall of the coating machine body 1, the ultraviolet irradiation mechanism 4 includes a mounting seat 401, a fixing nut 402 and an ultraviolet lamp 403, the mounting seat 401 is welded to the two ends of the inner wall of the coating machine body 1, the outer wall of the mounting seat 401 is screwed with a fixing nut 402, and the bottom end of the fixing nut 402 is screwed with an ultraviolet lamp 403, and the ultraviolet lamp 403 is connected to the ultraviolet lamp 403 by the fixing screw The nut 402 is threadedly connected to the mounting seat 401, and the inner wall of the fixing nut 402 and the outer wall of the mounting seat 401 are both threadedly arranged, and the inner wall of the coating machine body 1 is fitted with a heating plate 5, the bottom end of the heating plate 5 is tightly fitted with the inner wall of the coating machine body 1, and the size of the heating plate 5 is smaller than the size of the coating machine body 1. By setting the ultraviolet irradiation mechanism 4 and the heating plate 5, it is convenient to coat the objects, through the ultraviolet lamp 403 in the ultraviolet irradiation mechanism 4 set at both ends of the inner wall of the coating machine body 1, to provide ultraviolet irradiation to the coated objects, and at the same time, heat the objects through the heating plate 5, so as to more quickly photo-cure the film adsorbed on the objects, thereby improving the coating efficiency;

[0023] Heating wires 6 are installed at both upper and lower ends of the inner wall of the heating plate 5, a rotating shaft 7 is installed at the top of the coating machine body 1, and a sealing cover 8 is installed at the top of the rotating shaft 7. The sealing cover 8 forms a rotating structure with the coating machine body 1 through the rotating shaft 7, and the length of the rotating shaft 7 is less than the length of the sealing cover 8. Blocks 9 are welded on both sides of the top of the sealing cover 8. Through the setting of the rotating shaft 7 and the sealing cover 8, it is convenient to drive the sealing cover 8 to close through the rotating shaft 7 when coating an object, so as to provide a sealing effect for the inside of the coating machine body 1. At the same time, the coating machine is designed to be light, easy to use, and easy to transport and carry;

[0024] Both ends of the inner wall of the sealing cover 8 are provided with a slide groove 10, and the coating mechanism 11 is installed on the inner wall of the slide groove 10. The coating mechanism 11 includes a telescopic rod 1101, a slider 1102, a drive shaft 1103, a micro motor 1104 and a coating roller 1105. The telescopic rod 1101 is installed on the top of the inner wall of the slide groove 10, and the slider 1102 is welded to the bottom end of the telescopic rod 1101, and the drive shaft 1103 is installed on the inner wall of the slider 1102, and the micro motor 1104 is installed on one end of the outer wall of the drive shaft 1103, and the outer wall of the drive shaft 1103 is welded to the bottom end of the telescopic rod 1101. A coating roller 1105 is installed at the end, and the coating roller 1105 is slidably connected to the sealing cover 8 through a slider 1102, and the outer wall size of the slider 1102 is consistent with the inner wall size of the slide 10. Through the coating mechanism 11, it is convenient to coat the object. The slider 1102 is driven by the telescopic rod 1101 to drive the coating roller 1105 to move up and down, and the coating roller 1105 is driven to rotate by the micro motor 1104, and the coating roller 1105 moves up and down through the coating roller 1105, so that the film is evenly coated on the surface of the object.

[0025] Working principle: When in use, first open the sealing cover 8 through the rotating shaft 7, then apply the coating agent on the surface of the object to be coated, then place the object inside the coating machine body 1, and then drive the sealing cover 8 to close through the rotating shaft 7, so that the blocking block 9 on the sealing cover 8 is engaged and fixed with the card slot 3 opened on the inner wall of the coating machine body 1, and then set the coating parameters through the controller 2, and drive the slider 1102 through the telescopic rod 1101 in the coating mechanism 11 to drive the coating roller 1105 to move up and down, and drive the coating roller 1105 to rotate through the micro motor 1104, and move the coating roller 1105 up and down through the coating roller 1105, so that the film is evenly coated on the surface of the object, and then the ultraviolet lamp 403 in the ultraviolet irradiation mechanism 4 provides ultraviolet irradiation to the coated object, and at the same time, the object is heated by the heating plate 5, so as to more quickly photo-cure the film adsorbed on the object and improve the coating efficiency. In this way, the operation process of a drum coating equipment for current collector production is completed.

[0026] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A drum coating device for current collector production, characterized in that: The coating machine comprises a coating machine body (1), an ultraviolet irradiation mechanism (4) and a coating mechanism (11), wherein a controller (2) is installed at the bottom of the surface of the coating machine body (1), and slots (3) are provided on both sides of the bottom of the surface of the coating machine body (1), the ultraviolet irradiation mechanism (4) is welded to the two ends of the inner wall of the coating machine body (1), and a heating plate (5) is attached to the inner wall of the coating machine body (1), and heating wires (6) are installed at the upper and lower ends of the inner wall of the heating plate (5), a rotating shaft (7) is installed at the top of the coating machine body (1), and a sealing cover (8) is installed at the top of the rotating shaft (7), blocks (9) are welded on both sides of the top of the sealing cover (8), and slide grooves (10) are provided at both ends of the inner wall of the sealing cover (8), and the coating mechanism (11) is installed on the inner wall of the slide groove (10); The ultraviolet irradiation mechanism (4) comprises a mounting seat (401), a fixing nut (402) and an ultraviolet lamp (403); the mounting seat (401) is welded to both ends of the inner wall of the coating machine body (1); the outer wall of the mounting seat (401) is screwed to the fixing nut (402), and the bottom end of the fixing nut (402) is screwed to the ultraviolet lamp (403); The coating mechanism (11) comprises a telescopic rod (1101), a slider (1102), a driving shaft (1103), a micro motor (1104) and a coating roller (1105); the telescopic rod (1101) is mounted on the top of the inner wall of the slide groove (10); the slider (1102) is welded to the bottom end of the telescopic rod (1101); the driving shaft (1103) is mounted on the inner wall of the slider (1102); the micro motor (1104) is mounted on one end of the outer wall of the driving shaft (1103); and the coating roller (1105) is mounted on the other end of the outer wall of the driving shaft (1103); The coating roller (1105) is slidably connected to the sealing cover (8) via a slider (1102), and the outer wall size of the slider (1102) matches the inner wall size of the slide groove (10).

2. The drum coating equipment for current collector production according to claim 1, characterized in that: The ultraviolet lamp (403) is threadedly connected to the mounting seat (401) via a fixing nut (402), and the inner wall of the fixing nut (402) and the outer wall of the mounting seat (401) are both arranged in a threaded shape.

3. The drum coating equipment for current collector production according to claim 1, characterized in that: The bottom end of the heating plate (5) is tightly fitted to the inner wall of the coating machine body (1), and the size of the heating plate (5) is smaller than the size of the coating machine body (1).

4. The drum coating equipment for current collector production according to claim 1, characterized in that: The sealing cover (8) forms a rotating structure with the coating machine body (1) via the rotating shaft (7), and the length of the rotating shaft (7) is smaller than the length of the sealing cover (8).

Images