Film layer surface chip cleaning device and film coating machine

Abstract

The utility model provides a film layer surface chipping cleaning device and a coating machine, the film layer surface chipping cleaning device comprises a first cleaning and collecting part and a second cleaning and collecting part which are respectively used for cleaning and collecting chippings on the surface of a film material before and after coating. The device for cleaning the scraps on the surface of the film layer is simple in structure, can effectively remove the scraps such as impurities, spatter and dust on the surface of the film layer, ensures the smoothness of the surface of a film material, reduces the influence on a finished film layer, reduces the appearance defects of the finished film layer, and improves the rate of finished products.

Description

Technical Field

[0001] The utility model relates to the technical field of coating, and particularly relates to a device for cleaning debris on the surface of a film layer and a coating machine. Background Art

[0002] At present, in the prior art, a coating device is used to coat a coating raw material on the surface of a film material to form a film layer on the surface of the film material, so that the film material product can obtain good wear resistance, water resistance, electrical conductivity, corrosion resistance, high temperature resistance, oxidation resistance, etc. Among them, a coating drum is arranged in the coating device, and the film material is attached to the drum surface of the coating drum and continuously moves along with the rotation of the coating drum, so as to realize continuous coating.

[0003] During the working process of the coating device, there often occurs an adhesion phenomenon of particulate powder, glue impurities, etc. on the surface of the coating drum. The existence of this phenomenon makes a large amount of impurities adhere to the surface of the film that continuously moves along with the rotation of the coating drum, thus greatly reducing the quality of the film layer product. To solve the above problems, the usual practice is to stop the machine after the coating device has worked for a period of time, and manually clean the surface of the coating drum. Although this practice reduces the impurities adhering to the surface of the coating drum to a certain extent, due to the limitation of the working space, it is usually difficult for workers to thoroughly clean the surface of the coating drum, and there are still a large amount of impurities remaining in the places where the cleaning is not in place. Moreover, due to the narrow working space, the manual cleaning efficiency is greatly reduced. In addition, once the coating drum rotates abnormally, it will cause a safety accident, so this cleaning method has great potential safety hazards.

[0004] At present, a double-sided coating machine is an important device widely used in the production of thin film coatings, and its technology is constantly developing, improving the quality of the film layer and the production efficiency. However, before film formation, the surface of the film material is easily affected by pollutants such as dust and splashing. The splashing protrusions will cause the tape to break in the application process. In the field of double-sided coating, the reverse side coating is always carried out after the front side is completed, and the splashing points will cause the quality of the coating layer to be unstable. That is to say, there are also problems of pollutants such as debris on the surface of the film layer after coating. Simply relying on automatic cleaning of the surface of the coating drum cannot fundamentally solve the problem. Therefore, it is necessary to develop a device for cleaning debris on the surface of a film layer and a coating machine. Summary of the Utility Model

[0005] Aiming at the deficiencies of the existing technology, the purpose of the present utility model is to provide a debris cleaning device for the film layer surface and a coating machine. The debris cleaning device for the film layer surface includes a first cleaning and collecting part and a second cleaning and collecting part, which respectively realize the cleaning and collection of debris on the surface of the film material before and after coating. The debris cleaning device for the film layer surface of the present utility model has a simple structure, can effectively remove impurities, splashes, dust and other debris on the film layer surface, ensure the smoothness of the film material surface, reduce the influence on the finished film layer, reduce the appearance defects of the finished film layer, and improve the yield.

[0006] To achieve this purpose, the present utility model adopts the following technical solutions:

[0007] The present utility model provides a debris cleaning device for the film layer surface, and the debris cleaning device for the film layer surface includes a first cleaning and collecting part and a second cleaning and collecting part;

[0008] The first cleaning and collecting part is arranged on the surface of the film layer before coating to realize the cleaning and collection of debris on the surface of the film material before coating;

[0009] The second cleaning and collecting part is arranged on the surface of the film layer after coating to realize the cleaning and collection of debris on the surface of the film material after coating.

[0010] The debris cleaning device for the film layer surface of the present utility model includes a first cleaning and collecting part and a second cleaning and collecting part respectively arranged before and after coating, which can respectively realize the cleaning and collection of debris on the surface of the film material before and after coating. The debris cleaning device for the film layer surface of the present utility model has a simple structure, can effectively remove impurities, splashes, dust and other debris on the film layer surface, ensure the smoothness of the film material surface, reduce the influence on the finished film layer, reduce the appearance defects of the finished film layer, and improve the yield.

[0011] As a preferred technical solution of the present utility model, the first cleaning and collecting part includes a first cleaning member and a first collecting member, and the first collecting member is used to collect the debris cleaned by the first cleaning member.

[0012] As a preferred technical solution of the present utility model, the first cleaning member includes a first cleaning blade or a first cleaning roller.

[0013] As a preferred technical solution of the present utility model, the second cleaning and collecting part includes a second cleaning member and a second collecting member, and the second collecting member is used to collect the debris cleaned by the second cleaning member.

[0014] As a preferred technical solution of the present utility model, the second cleaning member includes a second cleaning blade or a second cleaning roller.

[0015] Further preferably, the first collecting member is a first collecting groove, and the second collecting member is a second collecting groove; both the first cleaning roller and the second cleaning roller are wool rollers.

[0016] It should be noted that for the first cleaning roller and the second cleaning roller of the present utility model, a wool surface coating, that is, a wool roller, is preferably adopted, which has good dust removal effect and wear resistance.

[0017] As a preferred technical solution of the present utility model, the rotation direction of the first cleaning roller is the same as the movement direction of the film material, and the linear velocity of the first cleaning roller is 0.2 - 2% slower than the running speed of the film material, such as 0.2%, 0.4%, 0.5%, 0.7%, 0.8%, 1%, 1.2%, 1.4%, 1.5%, 1.6%, 1.8% or 2%, etc., but not limited to the listed values, and other unlisted values within the above numerical range are equally applicable.

[0018] As a preferred technical solution of the present utility model, the rotation direction of the second cleaning roller is the same as the movement direction of the film material, and the linear velocity of the second cleaning roller is 0.2 - 2% slower than the running speed of the film material, such as 0.2%, 0.4%, 0.5%, 0.7%, 0.8%, 1%, 1.2%, 1.4%, 1.5%, 1.6%, 1.8% or 2%, etc., but not limited to the listed values, and other unlisted values within the above numerical range are equally applicable.

[0019] It should be noted that the first cleaning roller and the second cleaning roller of the present utility model are respectively power-connected to a rotating motor. The rotation direction of the cleaning roller is the same as the movement direction of the film material, which can reduce the stretching and deformation of the film material.

[0020] The second object of the present utility model is to provide a coating machine, which includes the film layer surface debris cleaning device described in the first object; the coating machine further includes an unwinding roller, a coating roller, a winding roller and a coating component; the coating component is used to coat the film material passing through the coating roller;

[0021] The first cleaning and collecting part of the film layer surface debris cleaning device is arranged on the surface of the film layer before coating to realize the cleaning and collection of the debris on the surface of the film material before coating;

[0022] The second cleaning and collecting part of the film layer surface debris cleaning device is arranged on the surface of the film layer after coating to realize the cleaning and collection of the debris on the surface of the film material after coating.

[0023] As a preferred technical solution of the present utility model, the coating machine is a double-sided coating machine, and the coating rollers include a first coating roller and a second coating roller; the coating components include a first coating component and a second coating component, which are respectively used for coating the film materials passing through the first coating roller and the second coating roller; a guide roller is arranged between the first coating roller and the second coating roller to realize the conversion of the front and back sides of the film material.

[0024] As a preferred technical solution of the present utility model, the coating component is an evaporation source.

[0025] The usage method of the coating machine of the present utility model includes the following contents:

[0026] After the film material is unrolled by the unrolling roller, it moves continuously driven by the coating roller; the film material first passes through the first cleaning and collecting part to clean and collect the debris on the surface of the film material before coating; when the film material passes through the coating roller, the coating component coats the surface of the film material; the film material then passes through the second cleaning and collecting part to clean and collect the debris on the surface of the film material after coating; the coated film material is wound by the winding roller.

[0027] Further, if the coating machine is a double-sided coating machine; the coating rollers include a first coating roller and a second coating roller; the coating components include a first coating component and a second coating component; a guide roller is arranged between the first coating roller and the second coating roller, then the usage method includes the following contents:

[0028] After the film material is unrolled by the unrolling roller, the film material moves continuously driven by the first coating roller; the film material first passes through the first cleaning and collecting part to clean and collect the debris on the front side of the film material before coating; when the film material passes through the first coating roller, the first coating component coats the front side of the film material; the film material then passes through the second cleaning and collecting part to clean and collect the debris on the front side of the film material after coating;

[0029] Under the guidance of the guide roller, the conversion of the front and back sides of the film material is realized, and the back side of the film material is coated; the film material moves continuously driven by the second coating roller, the film material first passes through the first cleaning and collecting part to clean and collect the debris on the back side of the film material before coating; when the film material passes through the second coating roller, the second coating component coats the back side of the film material; the film material then passes through the second cleaning and collecting part to clean and collect the debris on the back side of the film material after coating; the film material completed with double-sided coating is wound by the winding roller.

[0030] The double-sided coating machine is a commonly used coating machine at present. The above-mentioned usage method for the double-sided coating machine includes: before coating the front side of the film material, first preliminarily clean the front side of the film material through the first cleaning and collecting part. After dust removal, when the film material passes through the first coating roller, the front side of the film material is coated. After coating is completed, the film layer formed on the front side of the film material is cleaned by the second cleaning and collecting part to remove contaminants such as splashes, ensuring the flatness of the film material surface; under the guidance of the guide roller, the conversion between the front side and the back side of the film material is realized, and the back side of the film material is processed. Similarly, before and after coating the back side of the film material, the first cleaning and collecting part and the second cleaning and collecting part are respectively used for cleaning to remove various contaminants, ensuring that the film material surface is clean without contaminants, and then winding is carried out.

[0031] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0032] (1) The debris cleaning device on the surface of the film layer of the present utility model includes a first cleaning and collecting part and a second cleaning and collecting part respectively arranged before and after coating, which can respectively realize the cleaning and collection of the debris on the surface of the film material before and after coating, ensuring that there are no impurities on the surface of the film material before and after the coating process.

[0033] (2) The debris cleaning device on the surface of the film layer of the present utility model has a simple structure, can effectively remove impurities, splashes, dust and other debris on the surface of the film layer, ensure the flatness of the film material surface, reduce the influence on the finished film layer, reduce the appearance defects of the finished film layer, and improve the yield.

[0034] (3) The first cleaning and collecting part and the second cleaning and collecting part of the present utility model respectively include a first cleaning roller and a second cleaning roller. The rotation directions of both are the same as the movement direction of the film material, and the linear velocity difference between the linear velocities of both and the running speed of the film material is further defined, which can effectively ensure the cleaning effect. Description of the Drawings

[0035] Figure 1 is a schematic structural diagram of the coating machine described in Embodiment 1 of the present utility model;

[0036] Figure 2 is a schematic structural diagram of the coating machine described in Embodiment 2 of the present utility model;

[0037] In the figure: 1-unwinding roller; 2-first cleaning roller; 3-first collecting tank; 4-first coating roller; 5-first coating component; 6-second cleaning roller; 7-second collecting tank; 8-winding roller; 9-guide roller; 10-second coating roller; 11-second coating component. Detailed Embodiments

[0038] To make the technical solutions, objectives, and advantages of the present utility model clearer, the following provides a further detailed description of the present utility model through specific embodiments in conjunction with the accompanying drawings. It should be understood that the specific embodiments described herein are only for the purpose of illustrating and explaining the present utility model, and are not used to limit the present utility model.

[0039] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the accompanying drawings. These are only for the convenience of describing the present utility model 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. Therefore, it should not be construed as a limitation of the present utility model. In addition, the terms "first", "second", and "third" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance.

[0040] In the description of the present utility model, it should be noted that unless otherwise clearly specified and defined, the terms "installed", "connected", and "connected" 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 directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For the fields of electricity and communication, it can be a wired connection or a wireless connection. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0041] Embodiment 1

[0042] This embodiment provides a coating machine, as Figure 1 shown. The coating machine includes a debris cleaning device on the surface of the film layer, and also includes an unwinding roller 1, a first coating roller 4, a winding roller 8, and a coating component 5;

[0043] The debris cleaning device on the surface of the film layer includes a first cleaning and collecting part and a second cleaning and collecting part; the first cleaning and collecting part includes a first cleaning member and a first collecting member; the second cleaning and collecting part includes a second cleaning member and a second collecting member; specifically, the first cleaning member includes a first cleaning roller 2, the first collecting member includes a first collecting groove 3, and the first collecting groove 3 is located directly below the first cleaning roller 2; the second cleaning member includes a second cleaning roller 6, the second collecting member includes a second collecting groove 7, and the second collecting groove 7 is located directly below the second cleaning roller 6; the rotation directions of the first cleaning roller 2 and the second cleaning roller 6 are both the same as the movement direction of the film material, and both the first cleaning roller 2 and the second cleaning roller 6 are wool rollers; the first cleaning roller 2 and the second cleaning roller 6 are respectively arranged before and after the coating of the first coating roller 4;

[0044] The film material from the unwinding roller 1 is in rolling contact with the first cleaning roller 2, the first coating roller 4, and the second cleaning roller 6 in sequence, and finally is wound by the winding roller 8. The first coating component 5 is used to coat the film material passing through the first coating roller 4, and the first coating component 5 is an evaporation source; the first cleaning roller 2 is arranged on the surface of the film layer before coating to clean the debris on the surface of the film material before coating, and the first collection tank 3 is used to collect the debris on the surface of the film material before coating; the second cleaning roller 6 is arranged on the surface of the film layer after coating to clean the debris on the surface of the film material after coating, and the second collection tank 7 is used to collect the debris on the surface of the film material after coating.

[0045] Embodiment 2

[0046] This embodiment provides a coating machine, which is a double-sided coating machine. As Figure 2 shown, the coating machine includes a film layer surface debris cleaning device, and also includes an unwinding roller 1, a first coating roller 4, a first coating component 5, a guide roller 9, a second coating roller 10, a second coating component 11, and a winding roller 8;

[0047] The film layer surface debris cleaning device includes a first cleaning and collecting part and a second cleaning and collecting part; the first cleaning and collecting part includes a first cleaning part and a first collecting part; the second cleaning and collecting part includes a second cleaning part and a second collecting part; specifically, the first cleaning part includes a first cleaning roller 2, the first collecting part includes a first collecting tank 3, and the first collecting tank 3 is located directly below the first cleaning roller 2; the second cleaning part includes a second cleaning roller 6, the second collecting part includes a second collecting tank 7, and the second collecting tank 7 is located directly below the second cleaning roller 6; the rotation directions of the first cleaning roller 2 and the second cleaning roller 6 are both the same as the moving direction of the film material, and both the first cleaning roller 2 and the second cleaning roller 6 are wool rollers; the first cleaning roller 2 is arranged before and after the coating of the first coating roller 4, and the second cleaning roller 6 is arranged before and after the second coating roller 10;

[0048] The film material from the unwinding roller 1 is in rolling contact with the first cleaning roller 2, the first coating roller 4, the second cleaning roller 6, the guide roller 9, the first cleaning roller 2, the second coating roller 10, the second cleaning roller 6, and the winding roller 8 in sequence, and finally is wound by the winding roller 8. The first coating component 5 is used to coat the front side of the film material passing through the first coating roller 4, the first coating component 5 is an evaporation source, the second coating component 11 is used to coat the back side of the film material passing through the second coating roller 10, and the second coating component 11 is an evaporation source; the first cleaning roller 2 is arranged on the surface of the film layer before coating to clean the debris on the surface of the film material before coating, and the first collection tank 3 is used to collect the debris on the surface of the film material before coating; the second cleaning roller 6 is arranged on the surface of the film layer after coating to clean the debris on the surface of the film material after coating, and the second collection tank 7 is used to collect the debris on the surface of the film material after coating.

[0049] Example 3

[0050] This embodiment provides a coating machine, which is a double-sided coating machine. Compared with Embodiment 2, the only difference is that the first cleaning roller 2 and the first collection tank 3 provided before coating on the second coating roller 10 are completely omitted. That is, after the film material is converted between the front and the back of the film material by means of the guide roller 9, it is continuously driven to the second coating roller 10, and the back of the film material is directly coated.

[0051] Example 4

[0052] This embodiment provides a coating machine, which is a double-sided coating machine. Compared with Embodiment 2, the only difference is that a new first cleaning roller 2 is added between the first cleaning roller 2 and the first coating roller 4, and a new first collection tank 3 is added directly below the new first cleaning roller 2. That is, the film material from the unwinding roller 1 is cleaned twice by passing through the first cleaning roller 2 and the new first cleaning roller 2 in sequence, and then the front of the film material is coated.

[0053] Example 5

[0054] This embodiment provides a coating machine, which is a double-sided coating machine. Compared with Embodiment 2, the only difference is that the first cleaning roller 2 and the second cleaning roller 6 are no longer made of wool rollers, but are both plastic product cleaning rollers.

[0055] Comparative Example 1

[0056] This comparative example provides a coating machine, which is a double-sided coating machine. Compared with Embodiment 2, the only difference is that the first cleaning roller 2 and the first collection tank 3 provided before coating on the first coating roller 4 are completely omitted. That is, the film material from the unwinding roller 1 is directly driven to the first coating roller 4, and the front of the film material is directly coated.

[0057] Application Example 1

[0058] This application example provides a method for using a coating machine, which uses the double-sided coating machine described in Embodiment 2. The method includes:

[0059] In the double-sided coating machine, after the vacuum is pumped to 4.0E-03 Pa, the first coating component 5 and the second coating component 11 respectively start vapor deposition to form a film;

[0060] Meanwhile, after the film material is unrolled by the unrolling roller 1, the film material moves continuously driven by the first coating roller 4; the film material first comes into rolling contact with the first cleaning roller 2 to clean the debris on the front side of the film material before coating, and the cleaned debris is collected by the first collection tank 3; when the film material passes through the first coating roller 4, the first coating component 5 coats the front side of the film material; the film material then comes into rolling contact with the second cleaning roller 6 to clean the debris on the front side of the film material after coating, and the cleaned debris is collected by the second collection tank 7;

[0061] Under the guidance of the guide roller 9, the conversion between the front side and the back side of the film material is realized, and the back side of the film material is coated; the film material moves continuously driven by the second coating roller 10. The film material first comes into rolling contact with the first cleaning roller 2 to clean the debris on the back side of the film material before coating, and the cleaned debris is collected by the first collection tank 3; when the film material passes through the second coating roller 10, the second coating component 11 coats the back side of the film material; the film material then comes into rolling contact with the second cleaning roller 6 to clean the debris on the back side of the film material after coating, and the cleaned debris is collected by the second collection tank 7; the film material that has completed double-sided coating is wound by the winding roller 8.

[0062] Among them, the rotation direction of the first cleaning roller 2 is the same as the movement direction of the film material, and the linear velocity of the first cleaning roller 2 is 2% slower than the running speed of the film material. The rotation direction of the second cleaning roller 6 is the same as the movement direction of the film material, and the linear velocity of the second cleaning roller 6 is 2% slower than the running speed of the film material; specifically, the running speed of the film material is 30 m / min, that is, the linear velocities of the first coating roller 4 and the second coating roller 10 are both 30 m / min, while the linear velocities of the first cleaning roller 2 and the second cleaning roller 6 are both 29.4 m / min.

[0063] Application Example 2

[0064] This application example provides a method for using a coating machine. Using the double-sided coating machine described in Embodiment 3, compared with Application Example 1, the only difference is that after the film material is converted between the front side and the back side of the film material with the help of the guide roller 9, it is continuously driven to the second coating roller 10, and the back side of the film material is directly coated, and there is no cleaning by the first cleaning roller 2 before coating the back side of the film material.

[0065] Application Example 3

[0066] This application example provides a method for using a coating machine. Using the double-sided coating machine described in Embodiment 4, compared with Application Example 1, the only difference is that the film material from the unrolling roller 1 is cleaned twice by the first cleaning roller 2 and the new first cleaning roller 2 in sequence, and then the front side of the film material is coated.

[0067] Application Example 4

[0068] This application example provides a method for using a coating machine. The double-sided coating machine described in Example 5 is adopted. Compared with Application Example 1, the only difference is that both the first cleaning roller 2 and the second cleaning roller 6 are plastic product cleaning rollers. Except for using plastic product cleaning rollers for cleaning, other process parameters are exactly the same.

[0069] Comparative Application Example 1

[0070] This comparative application example provides a method for using a coating machine. The double-sided coating machine described in Comparative Example 1 is adopted. Compared with Application Example 1, the only difference is that the film material from the unwind roller 1 is directly driven to the first coating roller 4 to directly coat the front side of the film material, and there is no cleaning by the first cleaning roller 2 before coating the back side of the film material.

[0071] For the film materials obtained from the above application examples and comparative application examples, a digital camera with a charge-coupled device image sensor (abbreviation: "CCD camera") was used to test 500 m of the film respectively, and the statistical results of the defect points obtained were summarized in Table 1. Among them, the blank example is the film material obtained by double-sided coating without any cleaning.

[0072] Table 1

[0073] Item After unwinding After the first evaporation coating After the second evaporation coating Blank example <![CDATA[20(ea / m 2 )]]> <![CDATA[50(ea / m 2 )]]> <![CDATA[100(ea / m 2 )]]> Application example 1 <![CDATA[7(ea / m 2 )]]> <![CDATA[12(ea / m 2 )]]> <![CDATA[60(ea / m 2 )]]> Application example 2 <![CDATA[8(ea / m 2 )]]> <![CDATA[13(ea / m 2 )]]> <![CDATA[68(ea / m 2 )]]> Application example 3 <![CDATA[7(ea / m 2 )]]> <![CDATA[10(ea / m 2 )]]> <![CDATA[58(ea / m 2 )]]> Application example 4 <![CDATA[10(ea / m 2 )]]> <![CDATA[19(ea / m 2 )]]> <![CDATA[72(ea / m 2 ) <!-- 6 -->]]> Comparative application example 1 <![CDATA[20(ea / m 2 )]]> <![CDATA[30(ea / m 2 )]]> <![CDATA[80(ea / m 2 )]]>

[0074] In summary, the debris cleaning device on the surface of the film layer described in the present invention includes a first cleaning and collecting part and a second cleaning and collecting part respectively arranged before and after coating, which can respectively realize the cleaning and collection of the debris on the surface of the film material before and after coating. The coating machine containing the debris cleaning device on the surface of the film layer described in the present invention has a simple structure, can effectively remove impurities, splashes, dust and other debris on the surface of the film layer, ensure the smoothness of the film material surface, reduce the influence on the finished film layer, reduce the appearance defects of the finished film layer, and improve the yield.

[0075] The above are only the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto. Those skilled in the art should understand that any changes or substitutions that can be easily thought of by those skilled in the art within the technical scope disclosed by the present invention fall within the protection scope and the disclosure scope of the present invention.

Claims

1. A debris cleaning device for the surface of a film layer, characterized in that, The debris cleaning device for the film layer surface includes a first cleaning and collecting part and a second cleaning and collecting part; The first cleaning and collecting part is arranged on the film layer surface before coating to clean and collect the debris on the surface of the film material before coating; The second cleaning and collecting part is arranged on the film layer surface after coating to clean and collect the debris on the surface of the film material after coating.

2. The debris cleaning device for the film layer surface according to claim 1, wherein The first cleaning and collecting part includes a first cleaning part and a first collecting part, and the first collecting part is used to collect the debris cleaned by the first cleaning part.

3. The debris cleaning device for the film layer surface according to claim 2, wherein The first cleaning part includes a first cleaning blade or a first cleaning roller.

4. The debris cleaning device for the film layer surface according to any one of claims 1-3, characterized in that The second cleaning and collecting part includes a second cleaning part and a second collecting part, and the second collecting part is used to collect the debris cleaned by the second cleaning part.

5. The debris cleaning device for the film layer surface according to claim 4, characterized in that, The second cleaning part includes a second cleaning blade or a second cleaning roller.

6. The debris cleaning device for the film layer surface according to claim 3, wherein, The rotation direction of the first cleaning roller is the same as the moving direction of the film material.

7. The debris cleaning device for the film layer surface according to claim 5, wherein, The rotation direction of the second cleaning roller is the same as the moving direction of the film material.

8. A coating machine, characterized in that, The coating machine includes the debris cleaning device for the film layer surface according to any one of claims 1-7; the coating machine further includes an unwinding roller, a coating roller, a winding roller and a coating component; the coating component is used to coat the film material passing through the coating roller; The first cleaning and collecting part of the debris cleaning device for the film layer surface is arranged on the film layer surface before coating to clean and collect the debris on the surface of the film material before coating; The second cleaning and collecting part of the debris cleaning device for the film layer surface is arranged on the film layer surface after coating to clean and collect the debris on the surface of the film material after coating.

9. The coating machine according to claim 8, characterized in that, The coating machine is a double-sided coating machine, and the coating roller includes a first coating roller and a second coating roller; the coating component includes a first coating component and a second coating component, which are respectively used to coat the film material passing through the first coating roller and the second coating roller; a guide roller is arranged between the first coating roller and the second coating roller to realize the conversion of the front side and the back side of the film material.

10. The coating machine according to claim 8 or 9, characterized in that, The coating component is an evaporation source.

Images