CN218691054U

CN218691054U - Automatic cleaning device for coating die head

Info

Publication number: CN218691054U
Application number: CN202222874929.XU
Authority: CN
Inventors: 陈贵山; 杨涛玮; 张挺挺; 彭建林
Original assignee: Shenzhen Manst Technology Co Ltd
Current assignee: Shenzhen Manst Technology Co Ltd
Priority date: 2022-10-28
Filing date: 2022-10-28
Publication date: 2023-03-24
Anticipated expiration: 2032-10-28

Abstract

The utility model relates to a coating technology field, concretely relates to coating die head self-cleaning device. The automatic cleaning device for the coating die head comprises a wiping structure and a driving structure; the wiping structure is connected to the coating die head in a sliding manner and is suitable for wiping the lip of the coating die head; the driving structure is connected to the coating die head, and the power output end of the driving structure is connected with the wiping structure so as to drive the wiping structure to slide in a reciprocating manner. The utility model provides a coating die head self-cleaning device degree of automation is high, need not the manual work and operates, has realized cleaning the automatic operation and the location of structure and has stopped.

Description

Automatic cleaning device for coating die head

Technical Field

The utility model relates to a coating technology field, concretely relates to coating die head self-cleaning device.

Background

Slit extrusion coating is widely used in products requiring precision coating, such as liquid crystal panels, high-performance films, lithium ion secondary batteries, and the like, as a precision wet coating technique, and the working principle of the slit extrusion coating is that slurry is extruded and sprayed along a slit of a coating die head under a certain pressure and a certain flow rate and is transferred onto a substrate. Compared with other coating modes, the coating method has the advantages of high coating speed, high precision and uniform wet thickness; the coating system is usually arranged in a closed manner, so that pollutants can be prevented from entering the coating process, the utilization rate of the slurry is high, the stability of the property of the slurry can be kept, and the coating system can adapt to different slurry viscosity and solid content ranges. The existing coating die head is generally formed by an upper die head and a lower die head clamping gasket, a protruding coating lip structure is formed by clamping the upper die head and the lower die head, and during debugging or coating, part of slurry extruded from the coating die head is not transferred to a base material, but is retained at the lip and is dried and bonded at the coating lip to influence the next coating.

In the prior art, the lip mouth is usually wiped manually, the wiping efficiency is low, the automation cannot be realized, the manual operation needs a large operation space, and the overall effect is not good.

SUMMERY OF THE UTILITY MODEL

Therefore, the to-be-solved technical problem of the utility model lies in that the coating die head among the prior art cleans the inefficiency, can not realize automatic defect to a coating die head self-cleaning device that degree of automation is high, need not the manual work and operates is provided.

In order to solve the problems, the utility model provides an automatic cleaning device for a coating die head, which comprises a wiping structure and a driving structure; the wiping structure is connected to the coating die head in a sliding mode and is suitable for wiping the lip of the coating die head; the driving structure is connected to the coating die head, and the power output end of the driving structure is connected with the wiping structure so as to drive the wiping structure to slide in a reciprocating manner.

The utility model provides an automatic cleaning device for a coating die head, which comprises a wiping structure, a wiping frame and a wiping cotton; the wiping frame is provided with a first groove; and the wiping cotton is arranged at the first groove and is suitable for being in sliding fit with the lip.

The utility model provides an automatic cleaning device for a coating die head, wherein a first groove is a through groove, and a limiting part is convexly arranged on the groove wall of one side of the first groove, which is close to a lip mouth; the wiping structure further comprises a baffle, the baffle is detachably and fixedly connected to one side, back to the lip, of the first groove, and the wiping cotton is connected into the first groove in a limiting mode through a limiting portion and the baffle.

The utility model provides a coating die head self-cleaning device is provided with the second recess on wiping the cotton terminal surface towards the lip, and the second recess matches with convex lip shape to with lip sliding fit.

The utility model provides an automatic cleaning device for a coating die head, one end of a wiping frame is provided with a slide block fixing position, and a slide rail is arranged above a lip of the coating die head; the wiping structure further comprises a sliding block, one end of the sliding block is fixedly connected to the sliding block fixing position, and the other end of the sliding block is in sliding fit with the sliding rail.

The utility model provides an automatic cleaning device for a coating die head, which also comprises an induction sheet and two groups of proximity sensors; the sensing piece is arranged on the wiping structure; the two groups of proximity sensors are respectively arranged at two ends of the coating die head and are in communication connection with the driving structure, and when the sensing piece approaches to any one of the proximity sensors, the driving structure stops driving.

The utility model provides an automatic cleaning device for a coating die head, which comprises a driving structure, a cleaning mechanism and a cleaning mechanism, wherein the driving structure comprises two groups of motors, two groups of traction wheels and traction ropes; two groups of motors are respectively and fixedly connected with two ends of the coating die head; the two groups of traction wheels are respectively and rotatably connected with two ends of the coating die head and are respectively connected with power output ends of the two groups of motors; two ends of the traction rope are respectively wound on the two groups of traction wheels and fixedly connected with the wiping frame.

The utility model provides a coating die head self-cleaning device, the wiper arm is provided with the haulage rope and wears into the position, and the haulage rope passes the haulage rope and wears into the position and with the haulage rope position fixed connection.

The automatic cleaning device for the coating die head provided by the utility model also comprises two groups of fixed seats and two support rods; two groups of fixing seats are respectively and fixedly connected with two ends of the coating die head, two groups of motors are respectively fixed on the two groups of fixing seats, and two groups of traction wheels are respectively and rotatably connected on the two groups of fixing seats; two bracing pieces are connected respectively on two sets of fixing bases, and the one end winding of haulage rope is on a set of traction wheel, and the other end is walked around a bracing piece, is passed the haulage rope and is penetrated the position, is walked around another bracing piece after the winding on another set of traction wheel, and the haulage rope passes through two bracing pieces and supports and penetrate the position coaxial position department with the haulage rope.

The automatic cleaning device for the coating die head provided by the utility model also comprises a sprayer and a water tank; the sprayer is fixed on the side part of one end of the coating die head, the sprayer comprises a water tank and a spray head, one end of the spray head is connected with the water tank through a water pipe, and the other end of the spray head is suitable for spraying water to the wiping cotton close to the spray head; the water tank is fixed below the nozzle of the spray head, and a water outlet is arranged on the tank bottom of the water tank.

The utility model has the advantages of it is following:

1. the utility model provides an automatic cleaning device for a coating die head, which comprises a wiping structure and a driving structure; the wiping structure is connected to the coating die head in a sliding mode and is suitable for wiping the lip of the coating die head; the driving structure is connected to the coating die head, and the power output end of the driving structure is connected with the wiping structure so as to drive the wiping structure to slide in a reciprocating manner.

In the gap when the coating die head stops working, the wiping structure carries out reciprocating wiping on the residual slurry on the lip of the coating die head, so that the slurry remained on the lip of the coating die head is prevented from being solidified and dried or directly blocking the lip of the coating die head, the normal work of the coating die head is ensured, and the coating quality is improved.

2. The utility model provides an automatic cleaning device for a coating die head, which also comprises an induction sheet and two groups of proximity sensors; the sensing piece is arranged on the wiping structure; the two groups of proximity sensors are respectively arranged at two ends of the coating die head and are in communication connection with the driving structure, and when the induction sheet is close to any one of the proximity sensors, the driving structure stops driving.

When the power output end of the driving structure drives the wiping structure to move to one end of the coating die head, the sensing piece on the wiping structure is close to the proximity sensor, the driving structure suspends power output at the moment, the wiping structure stops at one end of the coating die head temporarily, the driving structure starts to carry out power output reversely, the driving wiping structure moves towards the other end of the coating die head, automatic operation and positioning stop of the wiping structure are achieved, and the wiping structure is driven to move on the coating die head in a reciprocating mode.

3. The utility model provides a coating die head self-cleaning device still includes the atomizer, fixes the lateral part in the one end of coating die head, and the atomizer includes water tank and shower nozzle, and water piping connection water tank is passed through to the one end of shower nozzle, and the other end is suitable for to the cotton water spray of cleaning that is close to the shower nozzle.

After the wiping structure reciprocates for multiple times, the sprayer works to wash the wiping cotton on the wiping frame; or the wiping frame reciprocates once, the sprayer washes the wiping cotton once, and a control program can be set according to requirements, so that the automatic cleaning of the wiping cotton is realized.

If the slurry coating the die lip has dried out and needs to be wet, the sprayer is operated to wet the wipe cotton prior to wiping.

4. The utility model provides a coating die head self-cleaning device still includes the basin, fixes in the spout below of shower nozzle, is provided with the outlet on the tank bottom of basin.

Proximity sensor's position sets up in the basin top, and when the power take off end of drive structure drove and clean the structure and remove the one end of coating die head, clean structural response piece and proximity sensor and be close, the drive structure pause power take off of coating die head one end this moment, clean the structure by spacing in the basin top, when the atomizer carries out during operation, wash and clean the water of cotton and fall into the basin of atomizer spout below, realized the collection processing to waste water.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 shows the overall structure of the present invention

Fig. 2 shows a schematic view of the right hand side portion of the present invention;

fig. 3 shows a schematic view of a wiping frame of the present invention;

figure 4 shows a schematic view of a wiping frame of the present invention;

fig. 5 shows a partial enlarged schematic view of P in fig. 2.

Description of the reference numerals:

01. a coating die head; 02. a fixed seat; 03. a motor; 04. a water tank; 11. a wiping frame; 12. wiping cotton; 13. a baffle plate; 14. fixing the slide block; 15. threading a traction rope into a position; 16. a limiting part; 21. an induction sheet; 22. a proximity sensor; 31. a traction wheel; 32. a hauling rope; 33. a support bar; 41. a sprayer; 411. a water tank; 412. and (4) a spray head.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

As shown in fig. 1 to 5, the present embodiment provides an automatic cleaning device for a coating die, including a wiping structure and a driving structure; the wiping structure is connected to the coating die head 01 in a sliding mode and is suitable for wiping the lip of the coating die head 01; the driving structure is connected to the coating die head 01, and the power output end of the driving structure is connected with the wiping structure so as to drive the wiping structure to slide in a reciprocating manner.

In the embodiment, the wiping structure comprises a wiping frame 11 and a wiping cotton 12; a wiping frame 11 provided with a first groove; and the wiping cotton 12 is arranged at the first groove and is suitable for being matched with the lip mouth in a sliding way.

One end of the wiping frame 11 is connected to the coating die head 01, the other end of the wiping frame is provided with a first groove, the wiping cotton 12 is located in the first groove and is in contact with the lip of the coating die head 01, the residual sizing agent on the lip of the coating die head 01 is wiped off, the sizing agent remained on the lip of the coating die head 01 is prevented from being solidified and dried or directly blocking the lip of the coating die head 01, the normal work of the coating die head 01 is guaranteed, and the coating quality is improved.

In this embodiment, the first groove is a through groove, and a limiting portion 16 is convexly arranged on a groove wall of one side of the first groove close to the lip; the wiping structure further comprises a baffle 13, the baffle 13 is detachably and fixedly connected to one side, back to the lip, of the first groove, and the wiping cotton 12 is in limited connection in the first groove through a limiting part 16 and the baffle 13. When the number of times of using the wiping cotton 12 is too many and the wiping cotton needs to be replaced, the baffle 13 can be detached first, the old wiping cotton 12 is taken out from one side of the first groove back to the lip, and the new wiping cotton 12 and the baffle 13 are loaded in sequence through reverse operation after the replacement is completed. The wiping cotton 12 can be conveniently assembled and disassembled on the premise of not damaging or reducing the wiping cotton 12 under the action of no pressure.

Further, a second groove is arranged on the end face, facing the lip, of the wiping cotton 12, and the second groove is matched with the protruding lip in shape and is in sliding fit with the lip. The second groove can cover and wipe the lip, so that the wiping area of the lip is increased; the cooperation of cotton and lip is cleaned in the spacing still, prevents to take place the dislocation between the two and leads to cleaning effect not good enough.

The side wall of one end, close to the lip, of the wiping cotton 12 is provided with a matching part, and the matching part is in limit matching with the limiting part 16, so that the wiping cotton 12 is fixed and limited.

Preferably, the upper and lower side walls of the first groove connected with the baffle 13 are respectively provided with a third groove, the upper and lower sides of the baffle 13 are convexly provided with a limit bump, and the limit bump can move up and down and is detachably connected with the first groove through the third groove. Preferably, one side of the baffle 13 back to the wiping cotton 12 is provided with a convex structure, so that the baffle is easy to grab, and the baffle 13 is convenient, quick and easy to operate when being lifted.

In a specific embodiment, when the wiping cotton 12 is used too many times and needs to be replaced, the baffle 13 is lifted upwards by the protruding structure, and when the limiting bump on the lower side moves upwards to the third groove on the lower side, the baffle 13 is pulled outwards and downwards by the protruding structure, so that the baffle 13 can be removed, and the old wiping cotton 12 can be taken out; after the new wiping cotton 12 is replaced, the upper limiting bump extends into the first groove through the upper third groove, the baffle 13 is lifted upwards through the protrusion structure in an inclined mode until the lower limiting bump rises onto the lower third groove, the baffle 13 is pushed inwards, and then the baffle 13 is moved downwards to complete installation of the baffle 13.

In this embodiment, a slider fixing position 14 is provided at one end of the wiping frame 11, and a slide rail is provided above the lip of the coating die head 01; the wiping structure further comprises a sliding block, one end of the sliding block is fixedly connected to the sliding block fixing position 14, and the other end of the sliding block is in sliding fit with the sliding rail.

The sliding connection between the wiping frame 11 and the coating die head 01 is realized through the sliding block, the sliding rail limits the moving direction of the sliding block and the wiping frame 11, the connecting position between the sliding block and the wiping frame 11 is limited by the sliding block fixing position 14, the wiping frame 11 is prevented from deviating, and the fact that the wiping frame 11 can accurately move at the lip of the coating die head 01 is guaranteed.

The slide rail is welded on the coating die head 01, or is detachably connected on the coating die head 01 through fasteners such as screws and the like; the slider fixing position 14 is a fixing groove, and a connecting hole is arranged on the bottom of the groove and can be detachably connected with the slider through a fastener.

In this embodiment, the device further comprises a sensing sheet 21 and two groups of proximity sensors 22; a sensing piece 21 is arranged on the wiping structure; two groups of proximity sensors 22 are respectively arranged at two ends of the coating die head 01 and are in communication connection with a driving structure, and when the induction sheet 21 approaches to any one proximity sensor 22, the driving structure stops driving.

When the power output end of the driving structure drives the wiping structure to move to one end of the coating die head, the sensing piece 21 on the wiping structure is close to the proximity sensor 22, power output is suspended by the driving structure at the moment, the wiping structure is temporarily stopped at one end of the coating die head, the driving structure starts to reversely output power, the driving wiping structure moves to the other end of the coating die head, automatic operation and positioning stop of the wiping structure are achieved, and the wiping structure is driven to do reciprocating motion on the coating die head.

In this embodiment, the driving structure includes two sets of motors 03, two sets of traction wheels 31, and a traction rope 32; two groups of motors 03 respectively fixedly connected to two ends of the coating die head 01; two groups of traction wheels 31 are respectively and rotatably connected to two ends of the coating die head 01 and are respectively connected with power output ends of two groups of motors 03; two ends of the traction rope 32 are respectively wound on the two groups of traction wheels 31 and fixedly connected with the wiping frame 11.

The motor 03 does not have a newspaper brake, and is in a free state under the condition of no power supply, and a main shaft can rotate, such as an alternating current synchronous permanent magnet motor. The motor at one end is a first motor, the motor at the other end is a second motor, when the first motor is started to operate, the first traction wheel is driven to rotate in the forward direction, at the moment, the second motor is suspended and is in a free state, and the second traction can rotate in the reverse direction; the wiping frame 11 is pulled to move towards one end through the traction rope 32; when the induction sheet 21 induces the proximity sensor 22 at one end, the first motor is suspended and in a free state, the second motor is started to run, the second traction wheel is driven to rotate in the reverse direction, and the wiping frame 11 is pulled to move towards the other end through the traction rope 32; when the sensing piece 21 senses the proximity sensor 22 at the other end, the second motor is suspended and in a free state.

In this embodiment, the mop holder 11 is provided with a pull-cord insertion site 15, and the pull-cord 32 is inserted through the pull-cord insertion site 15 and fixedly connected to the pull-cord insertion site 15.

The pull rope penetrating position 15 limits the connection position of the pull rope 32 and the wiping frame 11, and the connection mode of the pull rope 32 and the wiping frame 11 is not limited, such as direct fixed connection, knotting of the pull rope 32 at two ends of the pull rope penetrating position 15, or pressing of the pull rope 32 through fasteners such as bolts and the like.

In this embodiment, the device further comprises two groups of fixing seats 02 and two supporting rods 33; two groups of fixing seats 02 which are respectively and fixedly connected with two ends of the coating die head 01, two groups of motors 03 which are respectively fixed on the two groups of fixing seats 02, and two groups of traction wheels 31 which are respectively and rotatably connected on the two groups of fixing seats 02; two bracing pieces 33 are connected respectively on two sets of fixing bases 02, and the one end of haulage rope 32 twines on a set of traction wheel 31, and the other end is around a bracing piece 33, is passed the haulage rope and is worn into the position 15, is twined on another group of traction wheel 31 after passing another bracing piece 33, and haulage rope 32 supports through two bracing pieces 33 and is in the position department coaxial with the haulage rope and is worn into the position 15.

In a specific embodiment, two support rods 33 support the pulling rope 32 at a position coaxial with the pulling rope threading site 15, so as to prevent the pulling rope 32 from bending friction and further damage. One end of the traction rope 32 is wound on the first traction wheel, and the other end of the traction rope is wound on the second traction wheel through the second traction wheel by passing through the wiping frame 11 through the traction rope penetrating position 15. The two sets of traction wheels 31 can be connected by a set of traction ropes 32, or can be connected by a plurality of sets of traction ropes 32 respectively. When the first motor is started, the first traction wheel 31 is driven to rotate in the forward direction to tighten the traction rope 32, at the moment, the second motor is suspended, and the second traction wheel rotates in the reverse direction to release the traction rope 32. When the second motor is started, the second traction wheel is driven to rotate forward to tighten the traction rope 32, at the moment, the first motor is suspended, and the first traction wheel rotates reversely to release the traction rope 32.

The wiping frame 11 is located at the middle position between the two sets of traction wheels 31, and reciprocates at the middle position between the two sets of traction wheels 31.

The supporting rod 33 on one side is positioned between the traction wheel 31 and the proximity sensor on the same side, and does not influence the automatic operation and the limit stop of the wiping frame 11.

In this embodiment, a sprayer 41 is further included, which is fixed on the side of one end of the coating die 01, the sprayer 41 includes a water tank 411 and a spray head 412, one end of the spray head 412 is connected to the water tank 411 through a water pipe, and the other end is adapted to spray water to the wiping cotton 12 near the spray head 412.

In a specific embodiment, when the slurry at the lip of the coating die head 01 is dried and needs to be wet, the sprayer 41 is operated to soak the wiping cotton 12 before wiping, and the driving structure drives the wiping structure to reciprocate at the lip of the coating die head 01 to wipe and clean the lip of the coating die head 01.

After the wiping mechanism is reciprocated several times, the sprayer 41 is operated to wash the wipe 12.

As an alternative embodiment, the wiping mechanism may be reciprocated once to wash the wiping cotton 12, and the program may be set as required in actual operation.

Alternatively, the sprayers 41 may be disposed on the left and right sides of the coating die 01, and when the drawing device moves the wiping structure to the right side of the coating die 01, if the wiping cotton 12 needs to be cleaned or moistened, the operation may be performed directly; when the traction device drives the wiping structure to move to the left side of the coating die head 01, if the wiping cotton 12 needs to be cleaned or moistened, the operation can be directly carried out, and the cleaning efficiency of the wiping cotton 12 can be effectively improved.

In this embodiment, the spray nozzle further comprises a water tank 04 fixed below the spray nozzle of the spray nozzle 412, and a water outlet is arranged on the bottom of the water tank 04.

In a particular embodiment, the proximity sensor 22 is positioned above the water tank 04. When the power output end of the first motor drives the wiping structure to move to one end of the coating die head 01, the sensing piece 21 on the wiping structure is close to the proximity sensor 22, the power output of the first motor at one end of the coating die head 01 is suspended, the wiping structure is limited above the water tank 04, when the sprayer 41 works, water for cleaning the wiping cotton 12 falls into the water tank 04 below the nozzle of the sprayer 41, and the collection and treatment of waste water are realized. When the power take off end of second motor drove to clean the structure and remove the other end of coating die head 01, clean structural response piece 21 and proximity sensor 22 and be close, the power take off of suspending of second motor of the other end of coating die head 01 this moment, clean the structure and be spacing in basin 04 top, when atomizer 41 carried out during operation, during the basin 04 of 41 spouts below of atomizer was fallen into in the cotton 12 water of washing, had realized the collection to waste water and had handled.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.

Claims

1. An automatic cleaning device for a coating die head is characterized by comprising:

a wiping structure, which is slidably connected to the coating die head (01) and is suitable for wiping the lip of the coating die head;

the driving structure is connected to the coating die head (01), and a power output end of the driving structure is connected with the wiping structure so as to drive the wiping structure to slide in a reciprocating mode.

2. The coating die automatic cleaning device of claim 1, wherein the wiping structure comprises:

the wiping frame (11) is provided with a first groove;

a wiping swab (12) arranged at the first recess and adapted to slidingly engage the lip.

3. The automatic cleaning device for the coating die head of claim 2, wherein the first groove is a through groove, and a limiting part (16) is convexly arranged on the groove wall of one side of the first groove close to the lip; the wiping structure further comprises a baffle (13), the baffle (13) is detachably and fixedly connected to one side, back to the lip, of the first groove, and the wiping cotton (12) is connected into the first groove in a limiting mode through the limiting portion (16) and the baffle (13).

4. The coating die head automatic cleaning device according to claim 2, characterized in that a second groove is arranged on the end surface of the wiping cotton (12) facing the lip, and the second groove is matched with the shape of the protruded lip and is matched with the lip in a sliding way.

5. The automatic cleaning device for the coating die head is characterized in that one end of the wiping frame (11) is provided with a slide block fixing position (14), and a slide rail is arranged above the lip of the coating die head (01); the wiping structure further comprises a sliding block, one end of the sliding block is fixedly connected to the sliding block fixing position (14), and the other end of the sliding block is in sliding fit with the sliding rail.

6. The coating die automatic cleaning device according to any one of claims 2 to 5, further comprising:

a sensing sheet (21) disposed on the wiping structure;

and the two groups of proximity sensors (22) are respectively arranged at two ends of the coating die head (01) and are in communication connection with the driving structure, and when the sensing piece (21) approaches any one of the proximity sensors (22), the driving structure stops driving.

7. The coating die automatic cleaning device of claim 6, wherein the drive structure comprises:

two groups of motors (03) are respectively and fixedly connected to two ends of the coating die head (01);

two groups of traction wheels (31) are respectively and rotatably connected to two ends of the coating die head (01) and are respectively connected with power output ends of the two groups of motors (03);

and two ends of the traction rope (32) are respectively wound on the two groups of traction wheels (31) and are fixedly connected with the wiping frame (11).

8. The automatic cleaning device for the coating die head of claim 7, characterized in that the wiping frame (11) is provided with a pulling rope penetrating position (15), and the pulling rope (32) penetrates through the pulling rope penetrating position (15) and is fixedly connected with the pulling rope penetrating position (15).

9. The coating die automatic cleaning device of claim 8, further comprising:

two groups of fixing seats (02) are respectively and fixedly connected to two ends of the coating die head (01), two groups of motors (03) are respectively fixed on the two groups of fixing seats (02), and two groups of traction wheels (31) are respectively and rotatably connected to the two groups of fixing seats (02);

the two supporting rods (33) are respectively connected to the two groups of fixing seats (02), one end of the traction rope (32) is wound on one group of traction wheels (31), the other end of the traction rope winds on the other group of traction wheels (31) after passing through one supporting rod (33), passing through the traction rope penetrating position (15) and passing through the other supporting rod (33), and the traction rope (32) is supported at a position coaxial with the traction rope penetrating position (15) through the two supporting rods (33).

10. The coating die automatic cleaning device according to any one of claims 2 to 5, 7 to 9, further comprising:

a sprayer (41) fixed on the side of one end of the coating die head (01), wherein the sprayer (41) comprises a water tank (411) and a spray head (412), one end of the spray head (412) is connected with the water tank (411) through a water pipe, and the other end of the spray head is suitable for spraying water to the wiping cotton (12) close to the spray head (412);

and/or the water tank (04) is fixed below the spray nozzle of the spray head (412), and a water outlet is formed in the bottom of the water tank (04).