Cleaning mechanism and coating equipment

Abstract

The utility model discloses a cleaning mechanism and coating equipment. The cleaning mechanism comprises a base, a scraper assembly and an adjusting assembly, the scraper assembly is arranged on the base and comprises a scraper bit scraping piece, a groove matched with the lip mouth is formed in the top of the scraper bit scraping piece, and the front side wall and the rear side wall of the groove abut against the lip mouth so as to be suitable for scraping coating on the lip mouth; the scraper assembly is driven by the adjusting assembly to slide in the front-back direction and / or the vertical direction so that the position relation between the groove and the lip can be adjusted, the groove and the lip can be tightly matched, and the cleaning effect is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of coating equipment, in particular to a cleaning mechanism and coating equipment. Background Art

[0002] The die lip of the coating machine is an important part of the coating machine, which is responsible for evenly applying the coating to the surface of the workpiece. However, due to long-term use and paint residue, the die lip is prone to accumulate dirt and impurities, affecting the coating effect and production quality.

[0003] Cleaning the die lip of the coating machine is a key step to ensure the normal operation of the coating machine and product quality. In the prior art, the traditional cleaning method is often manual cleaning. Due to the inconvenient operation of the cleaning equipment and the cumbersome cleaning procedures, the cleaning time is too long, which affects the production efficiency and equipment utilization. At the same time, the complex cleaning process also increases the workload of the operator, and is prone to operating errors and safety hazards. The cleaning efficiency is low and it is time-consuming and labor-intensive. Utility Model Content

[0004] Therefore, the purpose of the utility model is to provide a cleaning mechanism and a coating device to solve the problems in the prior art that the lip of the coating die is difficult to clean and the cleaning effect is poor.

[0005] In order to solve the above technical problems, the technical solution of the utility model is as follows:

[0006] A cleaning mechanism, used for cleaning the lip of a coating die, comprises: a base, a scraper assembly and an adjustment assembly; the base can slide along the length direction of the lip, the scraper assembly is arranged on the base, the scraper assembly includes a blade, the top of the blade is provided with a groove matching the lip, and the front and rear side walls of the groove are suitable for scraping off the paint on the lip; the adjustment assembly is arranged on the base, and the adjustment assembly is suitable for driving the scraper assembly to slide along the front and rear and / or vertical direction to adjust the positional relationship between the groove and the lip, so that the groove is adapted to the lip.

[0007] According to some embodiments of the utility model, the cleaning mechanism also includes a mounting plate and a driving member, one end of the base is connected to the mounting plate, the output end of the driving member is transmission-connected to the mounting plate, and the driving member drives the mounting plate to perform linear motion to drive the blade head scraper to slide along the length direction of the lip.

[0008] According to some embodiments of the utility model, the adjustment assembly includes a first positioning adjustment member and / or a second positioning adjustment member both of which are arranged on the base, one end of the first positioning adjustment member is connected to the mounting plate, and the first positioning adjustment member is suitable for driving the base to slide along the front-to-back direction to adjust the front-to-back gap between the groove and the lip; one end of the second positioning adjustment member is connected to the scraper assembly, and the second positioning adjustment member is suitable for driving the scraper assembly to slide along the vertical direction to adjust the upper and lower gaps between the groove and the lip.

[0009] According to some embodiments of the utility model, the cleaning mechanism also includes a nozzle assembly arranged on the base, and the number of the nozzle assemblies is two groups. The two groups of nozzle assemblies are respectively located at the front and rear ends of the scraper assembly to be suitable for spraying the front and rear sides of the lip nozzle.

[0010] According to some embodiments of the utility model, the scraper assembly also includes a scraper head, a scraper seat and a mounting pressure plate, the scraper head is connected to the base through the adjustment assembly, the scraper seat is fixedly connected to the scraper head, and the mounting pressure plate is suitable for fixing the scraper head blade on the scraper seat.

[0011] According to some embodiments of the utility model, two of the scraper seat, the mounting pressure plate and the blade head are provided, the two scraper seats are respectively arranged on the left and right sides of the scraper head, any of the mounting pressure plates is suitable for fixing any of the blade head scraper on any of the scraper seats, and the nozzle assembly is located between the two groups of scraper assemblies.

[0012] According to some embodiments of the utility model, the nozzle assembly includes a first nozzle and a second nozzle both arranged on the base, the first nozzle and the second nozzle are arranged at intervals in the left and right directions, the first nozzle is suitable for connecting with a cleaning fluid pipeline, and the second nozzle is suitable for connecting with a ventilation pipeline.

[0013] According to some embodiments of the utility model, the base is provided with a first diameter-changing through hole penetrating the front and rear end surfaces, the first diameter-changing through hole includes a first diameter section, a second diameter section and a third diameter section from front to rear, the diameter of the first diameter section is equal to the diameter of the third diameter section, and the diameter of the third diameter section is greater than the diameter of the second diameter section;

[0014] The first positioning adjustment member includes: a first connecting rod, a first elastic member and a second elastic member, the first connecting rod is inserted into the first reducing through hole, one end of the first connecting rod is provided with a first connecting head, the first connecting head is suitable for connecting with the mounting plate, and the other end of the first connecting rod is provided with a first retaining ring; the first elastic member is sleeved on the first connecting rod, one end of the first elastic member abuts against the first connecting head, and the other end abuts against one end surface of the second diameter section; the second elastic member is sleeved on the first connecting rod, one end of the second elastic member abuts against the first retaining ring, and the other end abuts against the other end surface of the second diameter section.

[0015] According to some embodiments of the utility model, the base is provided with a second diameter-changing through hole penetrating the upper and lower end surfaces, the second diameter-changing through hole includes a fourth diameter section, a fifth diameter section and a sixth diameter section from top to bottom, the diameter of the fourth diameter section is equal to the diameter of the sixth diameter section, and the diameter of the fourth diameter section is greater than the diameter of the fifth diameter section;

[0016] The second positioning adjustment member includes: a second connecting rod and a third elastic member; the second connecting rod is inserted into the second reducing through hole, one end of the second connecting rod is provided with a second connecting head, the second connecting head is connected to the scraper assembly, and the other end of the second connecting rod is provided with a second retaining ring; the third elastic member is sleeved on the second connecting rod, one end of the third elastic member abuts against the second connecting head, and the other end abuts against an end face of the fifth diameter section.

[0017] According to some embodiments of the utility model, the scraper head is provided with a connecting groove from bottom to top, and the second connecting head extends into the connecting groove and is fixedly connected to the scraper head; a step is provided on the top of the base, and the scraper head is provided with a step groove from bottom to top, the step is suitable for sliding in the step groove, and the connecting groove is coaxially arranged with the step groove.

[0018] The utility model also provides a coating device, comprising a coating die head and the cleaning mechanism, wherein the cleaning mechanism is arranged on the die head and is suitable for cleaning the coating on the lip of the die head.

[0019] The technical solution of the utility model has the following advantages:

[0020] The cleaning mechanism provided by the utility model is used for cleaning the lip of a coating die head. The scraper assembly is arranged on a base. The scraper assembly includes a blade head. The top of the blade head is provided with a groove matching the lip. The front and rear side walls of the groove are in contact with the lip. The base can slide along the length direction of the lip to drive the blade head to scrape off the paint on the lip. An adjustment assembly is arranged on the base. The scraper assembly is driven by the adjustment assembly to slide along the front and rear direction and / or the vertical direction to adjust the positional relationship between the groove and the lip so that the groove fits tightly with the lip to ensure the cleaning effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0022] Figure 1 An axial view of a cleaning structure provided in some embodiments of the present utility model;

[0023] Figure 2 An exploded view of a cleaning structure provided in some embodiments of the present invention;

[0024] Figure 3 A longitudinal cross-sectional view of a cleaning structure provided in some embodiments of the utility model along the front-to-back direction;

[0025] Figure 4 It is a longitudinal cross-sectional view of the cleaning structure provided in some embodiments of the utility model along the left and right directions.

[0026] Explanation of the accompanying drawings: 1. Mounting plate; 2. Base; 3. Scraper assembly; 4. Nozzle assembly; 5. First positioning adjustment member; 6. Second positioning adjustment member; 21. First reducing through hole; 22. Second reducing through hole; 31. Blade blade; 32. Scraper seat; 33. Mounting plate; 34. Scraper head; 311. Groove; 41. First nozzle; 42. Second nozzle; 51. First connecting rod; 52. First connecting head; 53. First retaining ring; 54. First elastic member; 55. Second elastic member; 61. Second connecting rod; 62. Second connecting head; 63. Second retaining ring; 64. Third elastic member. DETAILED DESCRIPTION

[0027] The technical solution of the utility model will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0029] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0030] In addition, the technical features involved in the different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0031] Reference Figure 1 and Figure 2 As shown, the utility model proposes a cleaning mechanism, which is used for cleaning the lip of a coating die head, comprising: a base 2, a scraper assembly 3 and an adjusting assembly; the base 2 can slide along the length direction of the lip, the scraper assembly 3 is arranged on the base 2, the scraper assembly 3 includes a blade 31, the top of the blade 31 is provided with a groove 311 which matches the lip, and the front and rear side walls of the groove 311 are suitable for scraping off the paint on the lip; the adjusting assembly is arranged on the base 2, and the adjusting assembly is suitable for driving the scraper assembly 3 to slide along the front and rear and / or vertical direction to adjust the positional relationship between the groove 311 and the lip, so that the groove 311 is adapted to the lip.

[0032] Specifically, the scraper assembly 3 is arranged on the base 2, and the scraper assembly 3 includes a blade 31. The top of the blade 31 is provided with a groove 311 that matches the lip. The front and rear side walls of the groove 311 abut against the lip. The base 2 can slide along the length direction of the lip to drive the blade 31 to scrape off the paint on the lip. An adjustment assembly is arranged on the base 2, and the scraper assembly 3 is driven by the adjustment assembly to slide along the front and rear direction and / or the vertical direction to adjust the positional relationship between the groove 311 and the lip, so that the groove 311 fits tightly with the lip to ensure the cleaning effect.

[0033] In some embodiments of the utility model, the cleaning mechanism also includes a mounting plate 1 and a driving member, one end of the base 2 is connected to the mounting plate 1, the output end of the driving member is transmission-connected to the mounting plate 1, and the driving member drives the mounting plate 1 to perform linear motion to drive the blade scraper 31 to slide along the length direction of the lip.

[0034] Specifically, the base 2 is installed on the mounting plate 1, and the mounting plate 1 is transmission-connected to the output end of the driving member. The driving member drives the mounting plate 1 to slide along the length direction of the lip, that is, left and right directions, thereby driving the blade 31 to slide along the length direction of the lip.

[0035] It can be understood that the driving member is a driving motor, and the output end of the driving member is transmission-connected to the mounting plate 1 to drive the mounting plate 1 to slide along the length direction of the lip. In some embodiments of the utility model, the length direction of the lip is consistent with the left-right direction.

[0036] In some embodiments of the utility model, the adjustment assembly includes a first positioning adjustment member 5 and / or a second positioning adjustment member 6 both of which are arranged on the base 2, one end of the first positioning adjustment member 5 is connected to the mounting plate 1, and the first positioning adjustment member 5 is suitable for driving the base 2 to slide along the front and rear directions to adjust the front and rear gaps between the groove 311 and the lip; one end of the second positioning adjustment member 6 is connected to the scraper assembly 3, and the second positioning adjustment member 6 is suitable for driving the scraper assembly 3 to slide along the vertical direction to adjust the upper and lower gaps between the groove 311 and the lip.

[0037] Specifically, one end of the first positioning adjustment member 5 is connected to the mounting plate 1 to drive the base 2 to slide in the front-to-back direction, thereby adjusting the front-to-back gap between the base 2 and the mounting plate 1. Since the distance between the mounting plate 1 and the lip is fixed during the cleaning process, the first positioning adjustment member 5 drives the base 2 to float forward and backward, thereby adjusting the front-to-back position relationship between the groove 311 and the lip, so as to ensure that the front and rear side walls of the groove 311 are in close contact with the front and rear sides of the lip, thereby improving the tilting efficiency.

[0038] Similarly, by connecting one end of the second positioning adjustment member 6 to the scraper assembly 3, during the cleaning process, the position of the base 2 in the vertical direction is relatively fixed, and the gap between the scraper assembly 3 and the base 2 in the vertical direction is adjusted by the second positioning adjustment member 6, so that the groove 311 is fitted with the lower edge of the lip to ensure cleaning efficiency.

[0039] It can be understood that the first positioning adjustment member 5 and the second positioning adjustment member 6 can be provided at the same time, or separately.

[0040] In some embodiments of the utility model, the cleaning mechanism also includes a nozzle assembly 4 arranged on the base 2, and the number of the nozzle assembly 4 is two groups. The two groups of nozzle assemblies 4 are respectively located at the front and rear ends of the scraper assembly 3 to be suitable for spraying the front and rear sides of the lip nozzle.

[0041] Specifically, after the blade 31 scrapes the lip, some residual flow may exist. By setting the nozzle assembly 4, the nozzle assembly 4 is provided with two groups, and the two groups of nozzle assemblies 4 are respectively arranged on the front and rear sides of the scraper assembly 3, so as to be suitable for cleaning the front and rear sides of the lip, thereby improving the cleaning effect.

[0042] In some embodiments of the utility model, the scraper assembly 3 also includes a scraper head 34, a scraper seat 32 and a mounting plate 33, the scraper head 34 is connected to the base 2 through the adjustment assembly, the scraper seat 32 is fixedly connected to the scraper head 34, and the mounting plate 33 is suitable for fixing the scraper head blade 31 on the scraper seat 32.

[0043] Specifically, the scraper head 34 is floating up and down on the base 2, and the scraper head 34 is connected to the base 2 through an adjustment component, specifically, connected to the base 2 through a second positioning adjustment member 6, and the second positioning adjustment member 6 is used to adjust the gap between the scraper head 34 and the base 2 in the vertical direction, thereby realizing the adjustment of the position relationship between the groove 311 and the lip.

[0044] It can be understood that the scraper seat 32 is fixed on the scraper head 34 by fasteners, and a mounting position is set on the scraper seat 32. The cutter head scraper 31 is fixed on the mounting position by installing the pressure plate 33. The mounting position is provided with an inclined surface that is at an angle to the length direction of the lip. The installing pressure plate 33 fixes the cutter head scraper 31 on the inclined surface, so that the side of the cutter head scraper 31 is set at an inclined angle to the length direction of the lip, thereby avoiding the cutter head scraper 31 from being broken when encountering excessive resistance during the sliding process, reducing torque and extending service life.

[0045] In some embodiments of the utility model, the scraper seat 32, the mounting plate 33 and the blade head scraper 31 are each provided with two, and the two scraper seats 32 are respectively arranged on the left and right sides of the scraper head 34, and any mounting plate 33 is suitable for fixing any blade head scraper 31 on any scraper seat 32, and the nozzle assembly 4 is located between the two groups of scraper assemblies 3.

[0046] Specifically, the two blade scrapers 31 are respectively arranged on both sides of the scraper head 34. When the driving member drives the mounting plate 1 to reciprocate along the length direction of the lip, the lip can be cleaned reciprocally, thereby improving the cleaning efficiency.

[0047] In some embodiments of the present invention, the blade 31 is made of rubber or silicone.

[0048] Specifically, the blade scraper 31 made of silicone or rubber material is elastic and can avoid scratches and wear on the lip during the cleaning process, thereby affecting the coating quality.

[0049] In some embodiments of the utility model, mounting bosses are provided on the front and rear sides of the base 2, avoidance grooves are opened on the front and rear sides of the scraper head 34, the mounting bosses are passed through the avoidance grooves, the nozzle assembly 4 is provided on the mounting bosses, and the two nozzle assemblies 4 are symmetrically arranged.

[0050] In some embodiments of the utility model, the nozzle assembly 4 includes a first nozzle 41 and a second nozzle 42 both provided on the base 2, the first nozzle 41 and the second nozzle 42 are arranged at intervals along the left and right directions, the first nozzle 41 is suitable for connecting with the cleaning liquid pipeline, and the second nozzle 42 is suitable for connecting with the ventilation pipeline.

[0051] Specifically, the nozzle assembly 4 is arranged between the two scraper assemblies 3, and the two nozzle assemblies 4 are symmetrically distributed on the mounting boss. The nozzle assembly 4 includes a first nozzle 41 and a second nozzle 42, wherein the first nozzle 41 and the second nozzle 42 are arranged at intervals along the left and right directions, the first nozzle 41 is suitable for connecting with the cleaning liquid pipeline, and the second nozzle 42 is suitable for connecting with the ventilation pipeline.

[0052] It can be understood that the two front and rear first nozzles 41 are arranged opposite to each other, the two front and rear second nozzles 42 are arranged opposite to each other, or the first nozzle 41 at the front end is arranged opposite to the second nozzle 42 at the rear end, and the second nozzle 42 at the front end is arranged opposite to the first nozzle 41 at the rear end.

[0053] The first nozzle 41 is used to spray cleaning liquid to remove residual paint on the lip, and the second nozzle 42 is used to spray high-pressure gas to dry the lip. The first nozzle 41 and the second nozzle 42 are both needle nozzles.

[0054] Reference Figure 3As shown, in some embodiments of the present utility model, the base 2 is provided with a first diameter-changing through hole 21 penetrating the front and rear end surfaces, and the first diameter-changing through hole 21 includes a first diameter section, a second diameter section and a third diameter section from front to rear, the diameter of the first diameter section is equal to the diameter of the third diameter section, and the diameter of the third diameter section is greater than the diameter of the second diameter section;

[0055] The first positioning adjustment member includes: a first connecting rod 51, a first elastic member 54 and a second elastic member 55. The first connecting rod 51 is inserted into the first reducing through hole 21. One end of the first connecting rod 51 is provided with a first connecting head 52. The first connecting head 52 is suitable for connecting with the mounting plate 1. The other end of the first connecting rod 51 is provided with a first retaining ring 53. The first elastic member 54 is sleeved on the first connecting rod 51. One end of the first elastic member 54 abuts against the first connecting head 52, and the other end abuts against one end surface of the second diameter section. The second elastic member 55 is sleeved on the first connecting rod 51. One end of the second elastic member 55 abuts against the first retaining ring 53, and the other end abuts against the other end surface of the second diameter section.

[0056] Specifically, the first connecting rod 51 is passed through the first reducing through hole 21, and the first connecting rod 51 provided with a first connecting head 52 is connected to the mounting plate 1. By adjusting the expansion and contraction amount of the first elastic member 54 and the second elastic member 55, the position relationship between the mounting plate 1 and the base 2 along the front-to-back direction is adjusted, thereby realizing the front-to-back position adjustment between the groove 311 and the lip.

[0057] Reference Figure 4 As shown, in some embodiments of the utility model, the base 2 is provided with a second diameter-changing through hole 22 penetrating the upper and lower end surfaces, and the second diameter-changing through hole 22 includes a fourth diameter section, a fifth diameter section and a sixth diameter section from top to bottom, the diameter of the fourth diameter section is equal to the diameter of the sixth diameter section, and the diameter of the fourth diameter section is greater than the diameter of the fifth diameter section;

[0058] The second positioning adjustment member includes: a second connecting rod 61 and a third elastic member 64; the second connecting rod 61 is inserted into the second reducing through hole 22, one end of the second connecting rod 61 is provided with a second connecting head 62, the second connecting head 62 is connected to the scraper assembly 3, and the other end of the second connecting rod 61 is provided with a second retaining ring 63; the third elastic member 64 is sleeved on the second connecting rod 61, one end of the third elastic member 64 is abutted against the second connecting head 62, and the other end is abutted against one end face of the fifth diameter segment.

[0059] Specifically, the second connecting rod 61 is passed through the second reducing hole 22, and one end of the second connecting head 62 is connected to the scraper head 34. By adjusting the telescopic displacement of the third elastic member 64, the position relationship between the scraper head 34 and the base 2 in the vertical direction is adjusted, thereby realizing the up and down position adjustment between the groove 311 and the lip.

[0060] It can be understood that the first elastic member 54 , the second elastic member 55 and the third elastic member 64 are all springs, and the elastic coefficients of the first elastic member 54 , the second elastic member 55 and the third elastic member 64 are not limited to the present invention.

[0061] In some embodiments of the utility model, the scraper head 34 is provided with a connecting groove from bottom to top, and the second connecting head 62 extends into the connecting groove and is fixedly connected to the scraper head 34; a step is provided on the top of the base 2, and the scraper head 34 is provided with a step groove from bottom to top, the step is suitable for sliding in the step groove, and the connecting groove is coaxially arranged with the step groove.

[0062] Specifically, the sliding cooperation between the stage and the step groove improves the compactness of the structure to ensure that during the adjustment of the second positioning adjustment member 6, there is only a vertical displacement change between the base 2 and the scraper head 34 to ensure the adjustment accuracy.

[0063] The utility model also provides a coating device, comprising a coating die head and a cleaning mechanism. The cleaning mechanism is arranged on the die head and is suitable for cleaning the coating on the lip of the die head.

[0064] Specifically, by arranging the cleaning structure on the coating die head, the die head lip can be automatically cleaned, manual operation can be reduced, the risk of human operation can be reduced, and the cleaning efficiency can be improved.

[0065] Obviously, the above embodiments are merely examples for the purpose of clear explanation, and are not intended to limit the implementation methods. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here. The obvious changes or modifications derived therefrom are still within the scope of protection of the invention of the utility model.

Claims

1. A cleaning mechanism, used for cleaning the lip of a coating die head, characterized in that: include: A base (2) which can slide along the length direction of the lip; A scraper assembly (3) is arranged on the base (2), the scraper assembly (3) comprises a blade head scraper (31), a groove (311) matching with the lip is formed on the top of the blade head scraper (31), and the front and rear side walls of the groove (311) are suitable for scraping off the paint on the lip; An adjustment component is arranged on the base (2), and the adjustment component is suitable for driving the scraper component (3) to slide in the front-rear and / or vertical directions to adjust the positional relationship between the groove (311) and the lip, so that the groove (311) is adapted to the lip.

2. The cleaning mechanism according to claim 1, characterized in that: It also includes a mounting plate (1) and a driving member, one end of the base (2) is connected to the mounting plate (1), the output end of the driving member is transmission-connected to the mounting plate (1), and the driving member drives the mounting plate (1) to perform linear motion, thereby driving the blade (31) to slide along the length direction of the lip.

3. The cleaning mechanism according to claim 2, characterized in that: The adjustment assembly comprises a first positioning adjustment member (5) and / or a second positioning adjustment member (6) both of which are arranged on the base (2); one end of the first positioning adjustment member (5) is connected to the mounting plate (1), and the first positioning adjustment member (5) is suitable for driving the base (2) to slide along the front-to-back direction to adjust the front-to-back gap between the groove (311) and the lip; one end of the second positioning adjustment member (6) is connected to the scraper assembly (3), and the second positioning adjustment member (6) is suitable for driving the scraper assembly (3) to slide along the vertical direction to adjust the upper and lower gaps between the groove (311) and the lip.

4. The cleaning mechanism according to any one of claims 1 to 3, characterized in that: It also comprises a nozzle assembly (4) arranged on the base (2), wherein the nozzle assembly (4) is provided in two groups, and the two groups of nozzle assemblies (4) are respectively located at the front and rear ends of the scraper assembly (3) so as to be suitable for spraying and washing the front and rear sides of the lip nozzle.

5. The cleaning mechanism according to claim 4, characterized in that: The scraper assembly (3) also includes a scraper head (34), a scraper seat (32) and a mounting plate (33); the scraper head (34) is connected to the base (2) via the adjustment assembly; the scraper seat (32) is fixedly connected to the scraper head (34); and the mounting plate (33) is suitable for fixing the scraper blade (31) on the scraper seat (32).

6. The cleaning mechanism according to claim 5, characterized in that: The scraper seat (32), the mounting pressure plate (33) and the blade scraper (31) are each provided with two. The two scraper seats (32) are respectively arranged on the left and right sides of the scraper head (34). Any mounting pressure plate (33) is suitable for fixing any blade scraper (31) on any scraper seat (32). The nozzle assembly (4) is located between the two groups of scraper assemblies (3).

7. The cleaning mechanism according to claim 4, characterized in that: The nozzle assembly (4) comprises a first nozzle (41) and a second nozzle (42) both of which are arranged on the base (2); the first nozzle (41) and the second nozzle (42) are arranged at intervals in the left-right direction; the first nozzle (41) is suitable for communicating with a cleaning liquid pipeline, and the second nozzle (42) is suitable for communicating with a ventilation pipeline.

8. The cleaning mechanism according to claim 3, characterized in that: The base (2) is provided with a first diameter-changing through hole (21) penetrating the front and rear end surfaces, the first diameter-changing through hole (21) including a first diameter section, a second diameter section and a third diameter section from front to rear, the diameter of the first diameter section is equal to the diameter of the third diameter section, and the diameter of the third diameter section is greater than the diameter of the second diameter section; The first positioning adjustment member comprises: A first connecting rod (51), the first connecting rod (51) is inserted into the first diameter-changing through hole (21), one end of the first connecting rod (51) is provided with a first connecting head (52), the first connecting head (52) is suitable for connecting with the mounting plate (1), and the other end of the first connecting rod (51) is provided with a first retaining ring (53); A first elastic member (54) is sleeved on the first connecting rod (51), one end of the first elastic member (54) abuts against the first connecting head (52), and the other end abuts against an end surface of the second diameter section; The second elastic member (55) is sleeved on the first connecting rod (51), one end of the second elastic member (55) abuts against the first retaining ring (53), and the other end abuts against the other end surface of the second diameter section.

9. The cleaning mechanism according to claim 3, characterized in that: The base (2) is provided with a second diameter-changing through hole (22) penetrating the upper and lower end surfaces, the second diameter-changing through hole (22) including a fourth diameter section, a fifth diameter section and a sixth diameter section from top to bottom, the diameter of the fourth diameter section is equal to the diameter of the sixth diameter section, and the diameter of the fourth diameter section is greater than the diameter of the fifth diameter section; The second positioning adjustment member comprises: A second connecting rod (61), the second connecting rod (61) is inserted into the second diameter-changing through hole (22), one end of the second connecting rod (61) is provided with a second connecting head (62), the second connecting head (62) is connected to the scraper assembly (3), and the other end of the second connecting rod (61) is provided with a second retaining ring (63); The third elastic member (64) is sleeved on the second connecting rod (61), one end of the third elastic member (64) is in contact with the second connecting head (62), and the other end is in contact with an end surface of the fifth diameter section.

10. A coating device, characterized in that: It comprises a coating die and a cleaning mechanism as claimed in any one of claims 1 to 9, wherein the cleaning mechanism is arranged on the die and is suitable for cleaning the coating on the lip of the die.

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