CN115970992A - Coating module and coating machine - Google Patents

Abstract

The application relates to a coating module, which includes a gravure roll and a bracket, the gravure roll is installed on the support, and also includes a blowing device, which is used to blow the slurry at the interface between the gravure roll and the film; the blowing A heating element is arranged in the device; an adjusting device for adjusting the position of the blowing outlet of the blowing device is installed on the support. The present application can evaporate the water of the slurry and avoid the slurry from dripping, thereby reducing the waste of raw materials, and secondly avoiding the unevenness of the slurry coated on the composite current collector, which is conducive to improving product quality. In addition, it also avoids The slurry drips onto the carbon coating equipment and causes equipment pollution.

Description

Coating module and coating machine

technical field

The present application relates to the technical field of coating equipment, in particular to a coating module and a coating machine.

Background technique

After the composite current collector is prepared, it needs to enter the nano-carbon coating process, that is, to coat the surface of the composite current collector and then heat it. The main components of the coating are carbon materials such as conductive graphite, graphene or carbon nanotubes, and water. The conductive performance is improved by the coated carbon material, and the binding force between the composite current collector and the positive electrode material or negative electrode material is improved.

The currently used coating method is gravure coating, that is, the slurry in the box is taken out by a rotating gravure roller with small pits, and then the slurry is coated on the composite current collector passing through the surface of the gravure roller. Realize the coating and printing on the surface of the substrate. However, due to the difference in the microscopic structure or curvature of the gravure roll at the microscopic perspective, the slurry is unevenly distributed, resulting in the lack of slurry in some parts, and the concentration of the other part of the corresponding slurry causes the slurry to drip in some areas, or when the slurry is relatively thick. When it is thin, there will be a problem of slurry dripping from the gravure roll and film, resulting in waste of raw materials, and it will cause the slurry coated on the composite current collector to be uneven and affect the quality of the product. In addition, the dripping slurry will Contamination of carbon-coated equipment.

Contents of the invention

In order to improve the problems of raw material waste, product quality degradation and equipment pollution caused by slurry dripping from the gravure roll, the application provides a coating module and a coating machine.

A coating module provided by this application adopts the following technical scheme:

One comprises a gravure roller and a bracket, the gravure roller is installed on the bracket, and also includes a blowing device, and the blowing device is used to blow the slurry at the interface between the gravure roller and the film; a heating element is arranged in the blowing device; An adjusting device for adjusting the position of the blowing outlet of the blowing device is installed on the support.

By adopting the above technical scheme, the slurry at the interface between the gravure roll and the film is blown by the blowing device, so that the water in the slurry is evaporated to avoid the slurry from dripping, thereby reducing the waste of raw materials, and secondly avoiding the application of the slurry on the composite surface. The slurry on the current collector is not uniform, which is beneficial to improve the product quality. In addition, it also prevents the slurry from dripping onto the carbon coating equipment and causing equipment pollution.

Preferably, the adjustment device is a universal adjustment device.

By adopting the above technical solution, the adjusting device is a universal adjusting device, and furthermore, the blowing direction of the blowing device can be flexibly adjusted, thereby increasing the use range of the blowing device.

Preferably, the adjustment device includes at least three sets of adjustment mechanisms, the chassis is installed on the bracket, and the three adjustment mechanisms are all installed on the chassis and distributed evenly along the circumferential direction of the chassis; and the axial direction of the chassis Perpendicular to the length direction of the gravure roll.

By adopting the above technical scheme, the three sets of adjustment mechanisms are evenly distributed on the chassis, which facilitates the flexible and precise adjustment of the blowing device and the operation of the staff.

Preferably, the adjustment mechanism includes a fixed seat, a motor, a rotating arm and a movable rod, the fixed seat is installed on the chassis, the rotating arm is rotatably mounted on the fixed seat, and driven by the motor to rotate through a transmission assembly The rotation of the arm; the two ends in the length direction of the movable rod are respectively hinged to the rotating arm and the blowing device.

By adopting the above technical scheme, the motor drives the rotating arm to rotate, the rotating arm drives the movable rod to move, and the movable rod drives the blowing device to rotate, thereby adjusting the blowing position, and the structure is efficient and flexible.

Preferably, the transmission assembly includes a pulley, the fixed seat is two side plates arranged symmetrically with respect to the pulley, and the pulley is rotatably arranged between the two side plates through a central shaft and a bearing; the motor is installed on one of the side plates The outer side of the plate, the output shaft of the motor is connected with a drive gear, the output shaft and the drive gear extend between the two side plates, the drive gear and the pulley are jointly sleeved with a belt; the rotating arm has two, And they are all installed on the central shaft, respectively located on both sides of the belt pulley; there are two movable rods, which are respectively hinged with two rotating arms.

By adopting the above technical scheme, there are two fixed seats, two rotating arms, and two movable rods, which are respectively located on both sides of the pulley. In the process of adjusting the blowing device, the force of the blowing device is balanced, and the drive is controlled by the motor. The gear rotates, drives the belt pulley to rotate, the belt pulley drives the central shaft to rotate, the central shaft drives the rotating arm to rotate, and the rotating arm drives the movable rod to move, thus realizing the need for manual adjustment and high adjustment accuracy, effectively ensuring the stability of the blowing device during the adjustment process ;In addition, the adjustable angle is large, and the position of the movable rod is fixed after adjustment, and it is not easy to shake easily, which ensures the stability of the wind direction during the blowing process.

Preferably, the rotating arm includes a rotating wheel and a connecting arm, the rotating wheel is installed on the central shaft, one end of the connecting arm is connected to the rotating wheel, and the other end is hinged to the movable rod; the connecting arm is hinged to the movable rod to form The V-shaped opening faces the axis of the chassis.

By adopting the above technical scheme, the V-shaped opening formed by the hinged connection of the connecting arm and the movable rod faces the axis of the chassis. In this way, in the process of adjusting the movement of the connecting arm and the movable rod, the three sets of adjustment mechanisms cooperate with each other to move flexibly without mutual contact. Interference may cause equipment damage.

Preferably, a reinforcing rib is provided between the two rotating arms; a positioning pin is pierced inside the reinforcing rib, and both ends in the length direction of the positioning pin are pierced on the two rotating arms.

By adopting the above technical solution, the setting of the reinforcing rib effectively strengthens the connection between the two rotating arms, further strengthens the supporting strength of the rotating arm, and is conducive to further strengthening the stability of the blowing device during adjustment.

Preferably, the blowing device includes an air pump, a connecting sleeve and an air outlet cover, the connecting sleeve is hinged to the movable rod; the air outlet cover is fixedly sleeved in the connecting sleeve, and the cover body of the air outlet cover is tapered, The air nozzle is a flat strip-shaped opening, and the length of the air nozzle is greater than the diameter of the interface between the air outlet cover and the connecting sleeve; the air outlet cover is connected with an air pipe, and the air pipe passes through the connecting sleeve and is connected to the air pump.

By adopting the above technical scheme, the air pump sends air into the air outlet hood through the air pipe, and the cover body of the air outlet hood is conical, so that the air diffuses in the air outlet hood and is blown out through the air nozzle, so that the blowing area is larger, It is conducive to the rapid evaporation of water in the slurry and improves the working efficiency of the overall structure.

Preferably, the trachea is a hose, the trachea is arranged in the middle of the three sets of adjustment mechanisms, and the three sets of adjustment mechanisms surround the outside of the trachea to form a protective structure for protecting the trachea.

By adopting the above technical solution, in the process of adjusting the blowing wind direction by the blowing device, since the air pipe is a flexible pipe, the air pipe can flexibly change its position following the adjustment of the wind direction; in addition, the air pipe is arranged in the middle of the three sets of adjustment mechanisms, and the adjustment mechanism can play a role in controlling the wind direction. trachea for protection.

Preferably, the heating elements are arranged in multiple groups and arranged in the air outlet hood, and they are evenly arranged along the wind direction of the air flowing through the air outlet hood.

By adopting the above technical scheme, the heating elements are arranged along the blowing direction of the air. In this way, the air is heated by multiple sets of heating elements during the blowing process, so that the air is heated quickly, which is conducive to the rapid evaporation of water in the slurry and improves the work of the overall structure. efficiency.

The application also provides a coating machine as follows:

A coating machine comprises the above-mentioned coating module.

By adopting the above technical scheme, when the coating machine is working, the blowing device can blow the slurry at the junction of the gravure roll and the film, so as to evaporate the water in the slurry and avoid the slurry from dripping, thereby reducing the waste of raw materials. Secondly, it avoids the unevenness of the slurry coated on the composite current collector, which is beneficial to improve the product quality. In addition, it also avoids the equipment pollution caused by the slurry dripping on the carbon coating equipment.

In summary, the present application includes at least one of the following beneficial technical effects:

1. The slurry at the junction of the gravure roll and the film is blown by the blowing device to evaporate the moisture of the slurry and avoid the slurry from dripping, thereby reducing the waste of raw materials, and secondly avoiding the coating of the slurry on the composite current collector The unevenness of the slurry is beneficial to improve the product quality. In addition, it also avoids the equipment pollution caused by the slurry dripping on the carbon coating equipment;

2. The drive gear is controlled by the motor to rotate, which drives the pulley to rotate, the pulley drives the central shaft to rotate, the central shaft drives the rotating arm to rotate, and the rotating arm drives the movable rod to move, so that manual adjustment is not required and the adjustment accuracy is high, effectively ensuring that the blower device is in the air. Stability during the adjustment process; in addition, the adjustable angle is large, and the position of the movable rod is fixed after adjustment, which is not easy to shake easily, ensuring the stability of the wind direction during the blowing process;

3. The air pump sends air into the air outlet hood through the air pipe. The body of the air outlet hood is conical, so that the air diffuses in the air outlet hood and is blown out through the air nozzle. In this way, the blowing area is larger, which is beneficial to the slurry. The rapid evaporation of water improves the working efficiency of the overall structure;

4. The heating elements are arranged along the blowing direction of the air, so that the air is heated by multiple sets of heating elements during the blowing process, so that the air is heated quickly, which is conducive to the rapid evaporation of water in the slurry and improves the working efficiency of the overall structure.

Description of drawings

FIG. 1 is a schematic diagram of the overall structure of a coating module in an embodiment of the present application.

Fig. 2 is a cross-sectional view showing the structure of the heating element in the embodiment of the present application.

Fig. 3 is a disassembled schematic diagram for embodying the structure of the adjusting device in the embodiment of the present application.

Fig. 4 is an exploded view for illustrating the connection relationship between the reinforcing rib and the positioning pin in the embodiment of the present application.

Explanation of reference signs: 1, gravure roller; 2, bracket; 3, blowing device; 31, connection sleeve; 32, air outlet cover; 321, air pipe; 4, adjustment mechanism; 41, fixed seat; 42, motor; 43, Rotating arm; 431, rotating wheel; 432, connecting arm; 44, movable rod; 5, chassis; 6, reinforcing rib; 61, positioning pin; 7, heating element; 8, pulley.

Detailed ways

The present application will be described in further detail below in conjunction with accompanying drawings 1-4.

The embodiment of the present application discloses a coating module. Referring to Fig. 1, the coating module includes a gravure roll 1 and a bracket 2, the gravure roll 1 is mounted on the bracket 2 through bearing rotation; it also includes a blowing device 3 for blowing the slurry at the interface between the gravure roll 1 and the film; The blowing device 3 comprises an air pump, a connecting sleeve 31 and an air outlet cover 32; the air outlet cover 32 is fixedly sleeved in the connecting sleeve 31, and the cover body of the air outlet cover 32 is conical, and the tuyere is a flat elongated opening. The length of the air nozzle is greater than the diameter of the interface between the air outlet cover 32 and the connecting sleeve 31; Air pump, the air pump sends air into the air outlet cover 32 through the air pipe 321, and is sprayed out from the air nozzle after being diffused in the air outlet cover 32.

With reference to Fig. 1 and Fig. 2, multiple groups of heating elements 7 are arranged in the air outlet hood 32, the heating elements 7 are preferably resistance wires, and the heating elements 7 are provided with multiple groups, and they are uniform along the wind direction of the air flowing through the air outlet hood 32 Arranged, the air sent into the air outlet hood 32 by the air pump is heated by the energized resistance wire, and then the heated air is blown out from the air nozzle of the air outlet hood 32 .

Referring to Fig. 1 and Fig. 3, an adjusting device for adjusting the position of the blowing outlet of the blowing device 3 is installed on the bracket 2, and the adjusting device is a universal structure. The adjustment device includes at least three sets of adjustment mechanisms 4, a circular chassis 5 is welded on the support 2, and the three adjustment mechanisms 4 are all fixed on the chassis 5 and evenly distributed along the circumferential direction of the chassis 5; and the axis direction of the chassis 5 is in line with the The length direction of the gravure roll 1 is vertical, and the blowing position of the blowing device 3 is adjusted by three sets of adjustment mechanisms 4 . Three sets of adjustment mechanisms 4 are arranged around the air pipe 321 , and the air pipe 321 is arranged in the middle of the three sets of adjustment mechanisms 4 to protect the air pipe 321 .

Referring to Fig. 1 and Fig. 3, adjusting mechanism 4 comprises fixed base 41, motor 42, rotating arm 43, movable bar 44, and fixed base 41 is two side plates that are arranged symmetrically with respect to pulley 8, and two side plates are fixed on by bolts. On the chassis 5; the belt pulley 8 is arranged between the two side plates through the central shaft and the bearing rotation; , are respectively hinged with two rotating arms 43, and one end away from the direction of rotating arm 43 is hinged to the connecting sleeve 31; the motor 42 is mounted on one of the side plates by bolts; the output shaft of the motor 42 is connected with a drive gear, the output shaft and The driving gear extends between the two side plates, and the driving gear and the pulley 8 are jointly sleeved with a belt; when the blowing position of the blowing device 3 needs to be adjusted, the driving gear is controlled by the motor 42 to rotate, and the driving gear rotates to drive the belt to rotate , the rotation of the belt drives the belt pulley to rotate, the belt pulley drives the central shaft to rotate, the central shaft drives the rotating arm to rotate, the rotating arm 43 drives the movable rod 44 to move, the movable rod 44 drives the connecting sleeve 31 to move, and the connecting sleeve 31 drives the air outlet cover 32 to move, thereby adjusting The blowing position of the air outlet cover 32; when the position of the junction of the film and the gravure roll 1 changes, the position of the blowing device 3 can be adjusted up and down; when the surface of the gravure roll 1 is uneven in different areas in the axial direction , the inclination between the blowing device 3 and the gravure roll 1 can be adjusted; when the drool in the right area of the gravure roll 1 is more serious than the left area, the position of the blowing device 3 is adjusted by the adjusting device so that the right part of the blowing device 3 The distance between the area and the right area of the gravure roll 1 is smaller than the distance between the left area of the blowing device 3 and the left area of the gravure roll 1 .

Referring to Fig. 3, the rotating arm 43 includes a rotating wheel 431 and a connecting arm 432, the rotating wheel 431 is fixedly sleeved on the central shaft, the connecting arm 432 is integrally formed with the rotating wheel 431, and the connecting arm 432 is hinged at an end away from the rotating wheel 431 direction. Rod 44; the V-shaped opening formed by connecting arm 432 and movable rod 44 is hinged towards the axis of chassis 5, and during the activity process of connecting arm 432 and movable rod 44, three groups of adjustment mechanisms 4 cooperate with each other to move flexibly, and there is no interaction between them. interfere.

Referring to FIG. 3 and FIG. 4 , a reinforcing rib 6 is fixedly arranged between the two rotating arms 43 ;

The application also discloses a coating machine.

A coating machine comprises the above-mentioned coating module.

The implementation principle of a coating module in the embodiment of the present application is: during operation, the air pump sends air into the air outlet hood 32 through the air pipe, and after the air is heated by the heating element 7 in the air outlet hood 32, the air from the air outlet hood 32 The nozzle blows out, and then the blowing device 3 that blows the slurry at the interface between the gravure roll 1 and the film.

When the blowing position needs to be adjusted, the motor 42 drives the driving gear to rotate, the driving gear drives the belt to rotate, the belt drives the pulley 8 to rotate, the belt pulley 8 drives the central shaft to rotate, the central shaft drives the rotating arm 43 to rotate, and the rotating arm 43 drives the movable rod 44 Moving, the movable rod 44 drives the connecting sleeve 31 to move, and the connecting sleeve 31 drives the air outlet cover 32 to move, thereby adjusting the blowing position of the air outlet cover 32.

All of the above are preferred embodiments of the application, and are not intended to limit the protection scope of the application. Therefore, all equivalent changes made according to the structure, shape, and principle of the application should be covered by the protection scope of the application. Inside.

Claims (11)

1. The utility model provides a coating module, includes gravure roller (1) and support (2), and gravure roller (1) is installed on support (2), its characterized in that: the gravure roll forming device is characterized by also comprising a blowing device (3), wherein the blowing device (3) is used for blowing slurry at the junction of the gravure roll (1) and the film; a heating element (7) is arranged in the blowing device (3); and the bracket (2) is provided with an adjusting device for adjusting the position of a blowing opening of the blowing device (3).

2. The coating module of claim 1, wherein: the adjusting device is a universal adjusting device.

3. A coating module according to claim 2, wherein: the adjusting device comprises at least three groups of adjusting mechanisms (4), a chassis (5) is installed on the support (2), and the three adjusting mechanisms (4) are installed on the chassis (5) and are uniformly distributed along the circumferential direction of the chassis (5); and the axial direction of the chassis (5) is vertical to the length direction of the gravure roll (1).

4. A coating module according to claim 3, wherein: the adjusting mechanism (4) comprises a fixed seat (41), a motor (42), a rotating arm (43) and a movable rod (44), the fixed seat (41) is installed on the chassis (5), the rotating arm (43) is rotatably installed on the fixed seat (41), and the rotating arm (43) is driven to rotate by the motor (42) through a transmission assembly; two ends of the movable rod (44) in the length direction are respectively hinged to the rotating arm (43) and the blowing device (3).

5. The coating module of claim 4, wherein: the transmission assembly comprises a belt pulley (8), the fixed seat (41) comprises two side plates which are symmetrically arranged relative to the belt pulley (8), and the belt pulley (8) is rotatably arranged between the two side plates through a central shaft and a bearing; the motor (42) is arranged on the outer side of one side plate, an output shaft of the motor (42) is connected with a driving gear, the output shaft and the driving gear extend into a space between the two side plates, and the driving gear and the belt pulley (8) are sleeved with a belt; the two rotating arms (43) are arranged on the central shaft and are respectively positioned at two sides of the belt pulley (8); the number of the movable rods (44) is two, and the movable rods are respectively hinged with the two rotating arms (43).

6. A coating module according to claim 4 or 5, wherein: the rotating arm (43) comprises a rotating wheel (431) and a connecting arm (432), the rotating wheel (431) is installed on the central shaft, one end of the connecting arm (432) is connected to the rotating wheel (431), and the other end of the connecting arm is hinged to the movable rod (44); the connecting arm (432) and the movable rod (44) are hinged to form a V-shaped opening, and the V-shaped opening faces to the axis of the chassis (5).

7. The coating module of claim 6, wherein: a reinforcing rib (6) is arranged between the two rotating arms (43); wear to be equipped with locating pin (61) in strengthening rib (6), wear to establish on two swinging arms (43) at the both ends of locating pin (61) length direction.

8. A coating module according to claim 3, wherein: the blowing device (3) comprises an air pump, a connecting sleeve (31) and an air outlet cover (32), wherein the connecting sleeve (31) is hinged with the movable rod (44); the air outlet cover (32) is sleeved in the connecting sleeve (31), the cover body of the air outlet cover (32) is conical, the air nozzle is a flat elongated opening, and the length of the air nozzle is greater than the diameter of an interface between the air outlet cover (32) and the connecting sleeve (31); an air pipe (321) is connected to the air outlet cover (32), and the air pipe (321) penetrates through the connecting sleeve (31) and then is connected to the air pump.

9. The coating module of claim 8, wherein: trachea (321) are the hose, trachea (321) set up in the centre of three adjustment mechanism (4), and three adjustment mechanism (4) surround in the outside formation of trachea (321) and carry out the protective structure who protects trachea (321).

10. The coating module of claim 8, wherein: the heating elements (7) are provided with a plurality of groups and are arranged in the air outlet cover (32), and the groups are uniformly arranged along the wind direction of the air flowing through the air outlet cover (32).

11. A coater, characterized in that: a coating module comprising a coating module according to any one of claims 1 to 10.

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