Coating equipment for lithium battery coating

Abstract

The utility model discloses coating equipment for a lithium battery coating, which relates to the technical field of coating equipment and comprises a rack, a conveying mechanism is arranged on the rack, and the conveying mechanism is used for conveying aluminum foil and copper foil; the outer cylinder is arranged on the rack, and the outer cylinder is used for bearing a coating; the inner cylinder is rotationally connected to the inner wall of the outer cylinder, a plurality of first stirring rods are fixedly connected to the inner wall of the inner cylinder, and the first stirring rods are used for stirring the coating; the material pushing mechanism is arranged on the outer cylinder, and the material pushing mechanism is used for uniformly discharging the coating; the stirring mechanism is arranged on the outer cylinder; the stirring mechanism is used for driving the inner cylinder and the pushing mechanism to rotate. The inner cylinder is driven to rotate while the stirring mechanism rotates, and the inner cylinder drives the first stirring rod and the stirring mechanism to rotate reversely, so that materials are prevented from being accumulated at the edge or the bottom of a container or forming dead angles, the stirring uniformity and efficiency are further improved, and the coating quality is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a brush equipment technical field, especially in lithium battery coating's brush equipment. BACKGROUND

[0002] ‌Lithium battery coating's brush equipment is the mechanical equipment that is used for coating material in lithium battery manufacturing process specially, and its main function is that after containing active substance (such as positive electrode material, negative electrode material), conductive agent, binder etc. slurry mixes, accurate, evenly coats on the base material of battery pole piece.

[0003] Traditional‌Lithium battery coating's brush equipment in the process of stirring paint, possibly stirring unevenly leads to the formation of conductive agent agglomerate particle foreign matter or big particle, and these foreign matters will form scratch defects in the coating process, influence the quality of coating.‌‌ UTILITY MODEL CONTENT

[0004] The utility model is provided with a lithium battery coating's brush equipment to solve the problems in the above background technique.

[0005] To achieve the above object, the utility model provides the following technical scheme: a lithium battery coating's brush equipment, comprising:

[0006] Frame, the frame is provided with conveying mechanism, and the conveying mechanism is used for conveying aluminum foil and copper foil;

[0007] Outer tube, the outer tube is arranged on the frame, and the outer tube is used for bearing paint;

[0008] Inner tube, the inner tube is rotatably connected to the inner wall of outer tube, a plurality of first stirring rods are fixedly connected to the inner wall of inner tube, and the first stirring rods are used for stirring paint;

[0009] Pushing mechanism, the pushing mechanism is arranged on the outer tube, and the pushing mechanism is used for making paint evenly discharge;

[0010] Stirring mechanism, the stirring mechanism is arranged on the outer tube;The stirring mechanism is used for driving the rotation of inner tube and pushing mechanism.

[0011] Preferably, the inner wall of the frame is fixedly connected with a fixed plate, the inner wall of the fixed plate is fixedly connected with the outer wall of the outer tube, the inner wall of the frame is fixedly connected with a discharging cylinder and a collecting cylinder, the collecting cylinder is located between the outer tube and the discharging cylinder, the inner wall of the frame is fixedly connected with a coating head and a coating roller, the coating head is located below the collecting cylinder, the top of the outer tube is provided with a feeding port, and the inner wall of the frame is provided with a conveying mechanism.

[0012] Preferably, the stirring mechanism comprises a first rotating shaft, the first rotating shaft is rotationally connected to the inner wall of the outer cylinder, a motor is fixedly connected to the top of the outer cylinder, the output shaft of the motor is fixedly connected to the top end of the first rotating shaft, and a plurality of second stirring rods are fixedly connected to the outer wall of the first rotating shaft.

[0013] Preferably, the first rotating shaft is fixedly connected with a first gear, the outer cylinder is rotationally connected with a second rotating shaft, the second rotating shaft is fixedly connected with a second gear, the first gear is engaged with the second gear, and the inner wall of the inner cylinder is fixedly connected with an internal gear.

[0014] Preferably, the pushing mechanism comprises a circular cylinder, the circular cylinder is fixedly connected to the bottom of the outer cylinder, the bottom end of the first rotating shaft is fixedly connected with a spiral auger rod, and the outer wall of the spiral auger rod is attached to the inner wall of the circular cylinder.

[0015] Preferably, the bottom of the circular cylinder is fixedly connected with a valve, the bottom of the valve is fixedly connected with a feeding pipe, and the end, away from the circular cylinder, of the feeding pipe is fixedly connected with the side, away from the coating roller, of the coating head.

[0016] The technical effects and advantages of the present application are as follows:

[0017] The present application drives the inner cylinder to rotate while the stirring mechanism rotates, and the inner cylinder drives the first stirring rod and the stirring mechanism to rotate reversely, so that the material is prevented from accumulating at the edge or bottom of the container or forming a dead angle, the uniformity and efficiency of stirring are further improved, and the coating quality is improved. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a front perspective structural schematic view of the present application.

[0019] Figure 2 It is a coating head perspective structural schematic view of the present application.

[0020] Figure 3 It is an inner cylinder perspective structural schematic view of the present application.

[0021] Figure 4 It is a spiral auger rod perspective structural schematic view of the present application.

[0022] In the drawings: 1, rack; 2, discharge cylinder; 3, material collecting cylinder; 4, outer cylinder; 5, motor; 6, feeding inlet; 7, feeding pipe; 8, coating head; 9, coating roller; 10, conveying mechanism; 11, spiral auger rod; 12, fixed plate; 13, valve; 14, circular cylinder; 15, first rotating shaft; 16, inner cylinder; 17, first stirring rod; 18, second stirring rod; 19, internal gear; 20, first gear; 21, second gear; 22, second rotating shaft. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0024] The utility model provides a kind of coating equipment for lithium battery coating as Figures 1-4 As shown in a kind of coating equipment for lithium battery coating, including rack 1, conveying mechanism 10 is provided on rack 1, conveying mechanism 10 is used to transport aluminum foil and copper foil;Outer cylinder 4, outer cylinder 4 is set on rack 1, outer cylinder 4 is used to support coating;Inner cylinder 16, inner cylinder 16 is rotationally connected in outer cylinder 4 inner wall, a plurality of first stirring rods 17 are fixedly connected in inner cylinder 16 inner wall, and first stirring rod 17 is used to stir coating;Pushing mechanism, pushing mechanism is set on outer cylinder 4, and pushing mechanism is used to make coating evenly discharge;Stirring mechanism, stirring mechanism is set on outer cylinder 4;Stirring mechanism is used to drive inner cylinder 16 and pushing mechanism to rotate, worker adds coating raw material into outer cylinder 4, starts stirring mechanism, and stirring mechanism stirs raw material, while driving inner cylinder 16 and first stirring rod 17 to rotate reversely, first stirring rod 17 and second clamping plate 18 are cooperatively rotated, to further improve the uniformity and efficiency of stirring, improve coating quality.

[0025] One aspect, fixed plate 12 is fixedly connected in the inner wall of rack 1, and the inner wall of fixed plate 12 is fixedly connected with the outer wall of outer cylinder 4;Discharge cylinder 2 and material collecting cylinder 3 are fixedly connected in the inner wall of rack 1, and material collecting cylinder 3 is located between outer cylinder 4 and discharge cylinder 2;Coating head 8 and coating roller 9 are fixedly connected in the inner wall of rack 1, and coating head 8 is located below material collecting cylinder 3;Material inlet 6 is formed in the top of outer cylinder 4;Conveying mechanism 10 is arranged in the inner wall of rack 1, and conveying mechanism 10 includes feeding rod rotationally connected with the inner wall of rack 1 and fixedly connected limiting plate;Feeding rod sends coating to coating roller 9, and in addition, existing technology, without too much repetition, limiting plate makes coating realize horizontal feeding, and coating raw material can be added into outer cylinder 4 through material inlet 6;Worker winds coating on discharge cylinder 2, and uses conveying mechanism 10 to send coating to coating roller 9.

[0026] On the other hand, the stirring mechanism comprises a first rotating shaft 15 rotatably connected to the inner wall of the outer cylinder 4, a motor 5 fixedly connected to the top of the outer cylinder 4, the output shaft of the motor 5 is fixedly connected to the top end of the first rotating shaft 15, a plurality of second stirring rods 18 are fixedly connected to the outer wall of the first rotating shaft 15, a first gear 20 is fixedly connected to the outer wall of the first rotating shaft 15, a second rotating shaft 22 is rotatably connected to the inner wall of the outer cylinder 4, a second gear 21 is fixedly connected to the outer wall of the second rotating shaft 22, the first gear 20 and the second gear 21 are engaged, an internal gear 19 is fixedly connected to the inner wall of the inner cylinder 16, the internal gear 19 and the second gear 21 are engaged, the first rotating shaft 15 drives the second stirring rods 18 to rotate, at the same time, the first rotating shaft 15 drives the first gear 20 to rotate, the first gear 20 drives the internal gear 19 and the inner cylinder 16 to rotate through the second rotating shaft 22, the inner cylinder 16 drives the first stirring rods 17 to rotate, the first stirring rods 17 and the second stirring rods 18 rotate in opposite directions, so that the uniformity and efficiency of stirring are improved.

[0027] Preferably, the pushing mechanism comprises a circular cylinder 14 fixedly connected to the bottom of the outer cylinder 4, a spiral auger rod 11 fixedly connected to the bottom end of the first rotating shaft 15, the outer wall of the spiral auger rod 11 is attached to the inner wall of the circular cylinder 14, a valve 13 fixedly connected to the bottom of the circular cylinder 14, a feeding pipe 7 fixedly connected to the bottom of the valve 13, and the end of the feeding pipe 7 away from the circular cylinder 14 is fixedly connected to the side of the coating head 8 away from the coating roller 9. During the stirring process, the first rotating shaft 15 drives the spiral auger rod 11 to rotate, the spiral auger rod 11 feeds upward, so that the coating is not completely stirred and discharged, when discharging is needed, the motor 5 is reversed, the spiral auger rod 11 feeds downward, so that the coating is pushed and transported, and the coating is prevented from being blocked.

[0028] The utility model works as follows: the worker adds the coating raw materials into the outer cylinder 4 through the feeding port 6, starts the motor 5, the motor 5 drives the first rotating shaft 15 to rotate, the first rotating shaft 15 drives the second stirring rods 18 and the first gear 20 to rotate, the first gear 20 drives the internal gear 19 and the inner cylinder 16 to rotate through the second rotating shaft 22, the inner cylinder 16 drives the first stirring rods 17 to rotate, the first stirring rods 17 and the second stirring rods 18 rotate in opposite directions, so that the uniformity and efficiency of stirring are improved, during the stirring process, the first rotating shaft 15 drives the spiral auger rod 11 to rotate, the spiral auger rod 11 feeds upward, so that the coating is not completely stirred and discharged, when discharging is needed, the motor 5 is reversed, the spiral auger rod 11 feeds downward, so that the coating is pushed and transported, and the coating is prevented from being blocked, the valve 13 is started, the coating is sent to the coating head 8 through the feeding pipe 7, and the coating is completed.

[0029] It should be explained finally: above only is the preferred embodiment of the utility model and is not used for limiting the utility model, although the utility model has been explained in detail with reference to foregoing embodiment, for the skilled person in the art, it still can modify the technical scheme recorded in foregoing each embodiment or make equivalent replacement to part technical features, any modification, equivalent replacement, improvement etc. made within the spirit and principle of the utility model should be contained in the protection scope of the utility model.

Claims

1. A coating apparatus for coating a lithium battery, characterized by, Include: Frame (1), the frame (1) is provided with conveying mechanism (10), the conveying mechanism (10) is used for conveying aluminum foil and copper foil; Outer cylinder (4), the outer cylinder (4) is provided on the frame (1), the outer cylinder (4) is used for bearing paint; Inner cylinder (16), the inner cylinder (16) is rotatably connected to the inner wall of the outer cylinder (4), a plurality of first stirring rods (17) are fixedly connected to the inner wall of the inner cylinder (16), and the first stirring rods (17) are used for stirring paint; Pushing mechanism, the pushing mechanism is provided on the outer cylinder (4), and the pushing mechanism is used for uniformly discharging paint; The stirring mechanism is provided on the outer cylinder (4), the stirring mechanism is used for driving the inner cylinder (16) and the pushing mechanism to rotate.

2. A device for painting a lithium battery coating according to claim 1, characterized in that, The inner wall of the frame (1) is fixedly connected with a fixed plate (12), the inner wall of the fixed plate (12) is fixedly connected with the outer wall of the outer cylinder (4), the inner wall of the frame (1) is fixedly connected with a discharging cylinder (2) and a receiving cylinder (3), the receiving cylinder (3) is located between the outer cylinder (4) and the discharging cylinder (2), the inner wall of the frame (1) is fixedly connected with a coating head (8) and a coating roller (9), the coating head (8) is located below the receiving cylinder (3), the top of the outer cylinder (4) is provided with a feeding port (6), and the inner wall of the frame (1) is provided with a conveying mechanism (10).

3. A device for painting a lithium battery coating according to claim 2, characterized in that, The stirring mechanism includes a first rotating shaft (15), the first rotating shaft (15) is rotatably connected to the inner wall of the outer cylinder (4), the top of the outer cylinder (4) is fixedly connected with a motor (5), the output shaft of the motor (5) is fixedly connected with the top end of the first rotating shaft (15), and the outer wall of the first rotating shaft (15) is fixedly connected with a plurality of second stirring rods (18).

4. A device for painting a lithium battery coating according to claim 3, characterized in that, The outer wall of the first rotating shaft (15) is fixedly connected with a first gear (20), the inner wall of the outer cylinder (4) is rotatably connected with a second rotating shaft (22), the outer wall of the second rotating shaft (22) is fixedly connected with a second gear (21), the first gear (20) and the second gear (21) are engaged, and the inner wall of the inner cylinder (16) is fixedly connected with an internal gear (19), the internal gear (19) and the second gear (21) are engaged.

5. A device for painting a lithium battery coating according to claim 4, characterized in that, The pushing mechanism includes a circular cylinder (14), the circular cylinder (14) is fixedly connected to the bottom of the outer cylinder (4), the bottom end of the first rotating shaft (15) is fixedly connected with a spiral auger rod (11), and the outer wall of the spiral auger rod (11) is attached to the inner wall of the circular cylinder (14).

6. A device for painting a lithium battery coating according to claim 5, characterized in that, The bottom of the circular cylinder (14) is fixedly connected with a valve (13), the bottom of the valve (13) is fixedly connected with a feeding pipe (7), and one end of the feeding pipe (7) away from the circular cylinder (14) is fixedly connected with the coating head (8) away from the coating roller (9).

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