Coating machine for processing PET (Polyethylene Terephthalate) optical film

Abstract

The utility model discloses a coating machine for PET optical film processing, including coating box, support material guide roller, coating roller and storage box, support material guide roller is rotatingly provided in the lower end of coating box two inner side wall, in the coating box is provided with lifting frame, the lower end of lifting frame is provided with mounting frame, and the mounting frame is provided with the storage box. The coating roller is rotationally arranged in the mounting frame and located above the supporting material guide roller, the material storage box is arranged on the lifting frame, sliding grooves are formed in the upper ends of the two sides of the coating box, the two sides of the lifting frame penetrate through the sliding grooves and extend to the two sides of the coating box, and hydraulic telescopic rods are mounted at the upper ends of the two sides of the coating box through mounting bases. An output shaft of the hydraulic telescopic rod is connected with the upper end of the lifting frame. The utility model relates to the technical field of PET (Polyethylene Terephthalate) optical film processing equipment, in particular to a conveniently-adjusted coating machine for processing a PET optical film, which can be adjusted according to the thickness of the PET optical film and improves the application range of processing the PET optical film.

Description

Technical Field

[0001] The utility model relates to the technical field of PET optical film processing equipment, in particular to a coating machine for PET optical film processing. Background Art

[0002] PET film, also known as high temperature resistant polyester film, has excellent physical and chemical properties, dimensional stability, transparency, and recyclability. It can be widely used in magnetic recording, photosensitive materials, electronics, electrical insulation, industrial films, packaging decoration, screen protection, optical grade mirror surface protection, etc.

[0003] When processing PET optical film, its surface needs to be coated. Through searching, the publication number CN213557864U is a coating equipment for processing PET optical film. It coats the PET optical film through a nozzle, and strengthens the bonding effect between the coating and the PET optical film through a coating roller, and makes the coating more uniform. When passing through the air collecting hood, the fan drives the flow of air, which can have a certain air-drying effect, thereby accelerating the processing efficiency of the PET optical film.

[0004] However, the two sets of coating rollers of the device are fixedly arranged, which is not convenient for adjustment according to the thickness of the PET optical film, and thus easily makes it impossible to process and coat PET optical films of different thicknesses, thereby affecting its use effect. Therefore, improvements are needed to address the existing problems. Utility Model Content

[0005] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides an easily adjustable coating machine for PET optical film processing. Through this device, it can be adjusted according to the thickness of the PET optical film, thereby improving the application range of PET optical film processing.

[0006] The technical solution adopted by the utility model is as follows: the new coating machine for PET optical film processing in this solution includes a coating box, a supporting guide roller, a coating roller and a storage box. The supporting guide roller is rotatably arranged at the lower ends of the two inner side walls of the coating box. A lifting frame is slidably arranged in the coating box, and a mounting frame is arranged at the lower end of the lifting frame. The coating roller is rotatably arranged in the mounting frame and is located above the supporting guide roller, and the storage box is arranged on the lifting frame.

[0007] In order to facilitate the adjustment of the distance between the coating roller and the supporting guide roller, slide grooves are provided on the upper ends of both sides of the coating box, and the two sides of the lifting frame pass through the slide grooves and extend to both sides of the coating box. Hydraulic telescopic rods are installed on the upper ends of both sides of the coating box through mounting seats, and the output shaft of the hydraulic telescopic rod is connected to the upper end of the lifting frame.

[0008] In order to facilitate the coating of the optical film, a material guide pipe is provided on the material storage box, a rotating joint is provided on one side of the coating roller, one end of the material guide pipe is connected to the rotating joint, the coating roller is a hollow cavity structure, and a plurality of groups of discharge holes for coating the PET optical film are evenly spaced on the coating roller. A rotating motor is provided on one side of the mounting frame, and the output shaft of the rotating motor is connected to one end of the coating roller, and the rotating motor drives the coating roller.

[0009] In order to facilitate the evenly scraping of paint on the coated optical film, threaded blocks are symmetrically provided in the middle of both sides of the coating box, and a threaded adjustment rod is threadedly connected to the threaded block. A rotating mounting seat is rotatably provided at the lower end of the threaded adjustment rod, and a scraper knife for scraping the surface of the PET optical film is installed at the lower end of the rotating mounting seat. The supporting guide rollers are provided with multiple groups, and the multiple groups of supporting guide rollers are evenly installed in the coating box, one group of supporting guide rollers corresponds to the scraper knife, and a material leveling brush is installed on the lower bottom wall of the mounting frame through a bracket, and the material leveling brush is in contact with the surface of the coating roller.

[0010] Furthermore, an air dryer is provided at the upper end of the coating box.

[0011] The beneficial effects achieved by the utility model using the above structure are as follows: the present scheme is a coating machine for processing PET optical films, which has the advantage that the hydraulic telescopic rod can drive the lifting frame to move up and down, thereby adjusting the distance between the coating roller and the supporting guide roller, so as to adapt to PET optical films of different thicknesses;

[0012] The coating material can be introduced into the coating roller through the material guide pipe and the rotary joint by the provided material storage box, and the coating material can be discharged through the uniformly provided material discharge holes on the coating roller to uniformly coat the PET optical film;

[0013] The threaded adjustment rod can be used to drive the scraper to adjust up and down, and then the scraping height of the scraper can be adjusted to improve the uniformity of the coating on the PET optical film. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0015] Figure 1 Schematic diagram of the three-dimensional structure of the coating machine for PET optical film processing proposed in this scheme Figure 1 ;

[0016] Figure 2 Schematic diagram of the three-dimensional structure of the coating machine for PET optical film processing proposed in this scheme Figure 2 ;

[0017] Figure 3 for Figure 1 A partial enlarged view of part A;

[0018] Figure 4 This is a schematic diagram of the coating roller installation of the coating machine for PET optical film processing proposed in this scheme.

[0019] Among them, 1. coating box, 2. vacuum cleaner, 3. coating roller, 4. material storage box, 5. lifting frame, 6. mounting frame, 7. hydraulic telescopic rod, 8. material guide pipe, 9. rotating joint, 10. material discharge hole, 11. rotating motor, 12. thread block, 13. thread adjustment rod, 14. rotating mounting seat, 15. scraper, 16. material leveling brush, 17. air dryer. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0021] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying 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 direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0022] like Figure 1 , Figure 2 , Figure 3 and Figure 4As shown, the novel coating machine for PET optical film processing proposed in this scheme comprises a coating box 1, a supporting guide roller 2, a coating roller 3 and a material storage box 4, an air dryer 17 is arranged at the upper end of the coating box 1, the supporting guide roller 2 is rotatably arranged at the lower ends of the two inner side walls of the coating box 1, a lifting frame 5 is slidably arranged in the coating box 1, a mounting frame 6 is arranged at the lower end of the lifting frame 5, the coating roller 3 is rotatably arranged in the mounting frame 6 and is located above the supporting guide roller 2, a rotating motor 11 is arranged on one side of the mounting frame 6, the output shaft of the rotating motor 11 is connected to one end of the coating roller 3, a material leveling brush 16 is installed on the lower bottom wall of the mounting frame 6 through a bracket, and the material leveling brush 16 is connected to the coating roller 3. The coating roller 3 is in contact with the surface, and the rotating motor 11 drives the coating roller 3. The material storage box 4 is arranged on the lifting frame 5. Slide grooves are arranged on the upper ends of both sides of the coating box 1. The lift frame 5 passes through the slide grooves on both sides and extends to both sides of the coating box 1. Hydraulic telescopic rods 7 are installed on the upper ends of both sides of the coating box 1 through the mounting seats. The output shaft of the hydraulic telescopic rod 7 is connected to the upper end of the lifting frame 5. A material guide pipe 8 is arranged on the material storage box 4, and a rotary joint 9 is arranged on one side of the coating roller 3. One end of the material guide pipe 8 is connected to the rotary joint 9. The coating roller 3 is a hollow cavity structure, and a plurality of groups of discharge holes 10 for coating the PET optical film are evenly spaced on the coating roller 3.

[0023] like Figure 2 indivual Figure 3 As shown, threaded blocks 12 are symmetrically provided at the middle of both sides of the coating box 1, and threaded adjustment rods 13 are threadedly connected to the threaded blocks 12. A rotating mounting seat 14 is rotatably provided at the lower end of the threaded adjustment rod 13, and a scraper 15 for scraping the surface of the PET optical film is installed at the lower end of the rotating mounting seat 14. A plurality of groups of supporting guide rollers 2 are provided, and the plurality of groups of supporting guide rollers 2 are evenly installed in the coating box 1, and one group of supporting guide rollers 2 corresponds to the scraper 15.

[0024] When in use, the PET optical film to be coated is limited by supporting the guide roller 2 and the coating roller 3, and the hydraulic telescopic rod 7 is started to drive the lifting frame 5 to move up and down to adjust the distance between the coating roller 3 and the supporting guide roller 2, so as to adjust according to the thickness of the PET optical film;

[0025] The coating is introduced into the coating roller 3 through the material storage box 4 via the material guide pipe 8 and the rotary joint 9, and the coating is discharged through the discharge holes 10 evenly arranged on the coating roller 3 to coat the PET optical film. During the coating process, the rotary motor 11 is turned on to drive the coating roller 3 to rotate, so that the coating can be evenly coated on the PET optical film while the PET optical film is fed and transported. The coated PET optical film is then transported to the scraper 15, and the scraper 15 further improves the uniformity of the coating. The threaded adjustment rod 13 is screwed to drive the scraper 15 to move up and down, so that the scraping height of the scraper 15 can be adjusted.

[0026] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0027] The above shows and describes the basic principles and main features of the utility model and the advantages of the utility model. For those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic features of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the utility model is defined by the attached claims rather than the above description, and it is intended to include all changes within the meaning and scope of the equivalent elements of the claims. Any figure mark in the claims should not be regarded as limiting the claims involved.

[0028] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A coating machine for PET optical film processing, comprising a coating box and a supporting guide roller, characterized in that: The coating box is provided with a lifting frame, and a mounting frame is provided at the lower end of the lifting frame. The coating roller is rotatably arranged in the mounting frame and is located above the supporting material guide roller. The material storage box is arranged on the lifting frame, and slide grooves are provided at the upper ends of both sides of the coating box. Both sides of the lifting frame extend through the slide grooves to both sides of the coating box. Hydraulic telescopic rods are installed at the upper ends of both sides of the coating box through the mounting seats, and the output shaft of the hydraulic telescopic rod is connected to the upper end of the lifting frame. A material guide pipe is provided on the material storage box, and a rotary joint is provided on one side of the coating roller, and one end of the material guide pipe is connected to the rotary joint.

2. A coating machine for PET optical film processing according to claim 1, characterized in that: The coating roller is a hollow cavity structure, and a plurality of groups of discharge holes for coating the PET optical film are evenly spaced on the coating roller.

3. A coating machine for PET optical film processing according to claim 2, characterized in that: A rotating motor is provided at one side of the mounting frame, the output shaft of the rotating motor is connected to one end of the coating roller, and the rotating motor drives the coating roller.

4. A coating machine for PET optical film processing according to claim 3, characterized in that: Threaded blocks are symmetrically arranged in the middle of both sides of the coating box, and threaded adjustment rods are threadedly connected to the threaded blocks. A rotating mounting seat is rotatably arranged at the lower end of the threaded adjustment rod, and a scraper for scraping the surface of the PET optical film is installed at the lower end of the rotating mounting seat.

5. A coating machine for PET optical film processing according to claim 4, characterized in that: The supporting and guiding rollers are provided in a plurality of groups, and the plurality of groups of supporting and guiding rollers are evenly installed in the coating box, and one group of supporting and guiding rollers corresponds to the scraper.

6. A coating machine for PET optical film processing according to claim 5, characterized in that: A material leveling brush is installed on the lower bottom wall of the mounting frame through a bracket, and the material leveling brush is in contact with the surface of the coating roller.

7. A coating machine for processing PET optical film according to claim 6, characterized in that: An air dryer is provided at the upper end of the coating box.

Images