PETG film coating device

Abstract

The utility model relates to the technical field of PETG (polyethylene terephthalate glycol) film production devices, in particular to a PETG film coating device which comprises mounting frames, mounting plates are fixedly connected to the middles of the mounting frames, pushing plates are slidably connected to the mounting plates, coating rollers are rotatably connected between the mounting frames, the ends of the pushing plates abut against the side faces of the coating rollers, and the ends of the pushing plates abut against the side faces of the coating rollers. A first spring is fixedly connected between the pushing plate and the mounting frame, the end of the pushing plate is of a triangular prism structure, and a material uniformizing structure is arranged on the top side of the mounting frame. The coating operation is performed on the PETG film on the side face of the cylindrical roller shaft, the overall occupied area of the device is effectively saved, meanwhile, the contact area of the PETG film and the surface of the roller shaft is small due to the cylindrical structure, and therefore the probability that impurities enter the device is reduced.

Description

Technical Field

[0001] This utility model relates to the technical field of PETG film production equipment, specifically a PETG film coating device. Background Technology

[0002] PETG film is a transparent, non-crystalline copolyester material, formed by the esterification of ethylene glycol, terephthalic acid, and malonic acid, belonging to the thermoplastic polyester category. It possesses excellent transparency, chemical resistance, impact resistance, and ease of processing, making it widely used in construction, home decoration, medical, industrial, and daily necessities industries. These properties make PETG film a multifunctional material capable of meeting the needs of various fields. By applying different coatings to the surface of PETG film, its various properties can be enhanced, enabling its application in diverse areas.

[0003] Traditional PETG film coating equipment is usually carried out on a flat surface, which makes the processing equipment occupy a large area. At the same time, the flat surface on which the PETG film is placed is more likely to attract dust, affecting the coating effect of the PETG film.

[0004] Therefore, there is a need to design a device that is smaller in size and has higher coating quality. Utility Model Content

[0005] To address the aforementioned issues, the PETG film coating apparatus provided by this invention applies the coating to the PETG film on the side of a cylindrical roller, saving the overall footprint of the apparatus. Furthermore, the cylindrical structure results in a smaller contact area between the PETG film and the roller surface, thereby reducing the probability of impurities entering and improving coating quality.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] A PETG film coating apparatus includes a mounting frame with a coating structure. The coating structure includes a mounting plate, which is fixedly connected to the middle of the mounting frame. A pushing plate is slidably connected to the mounting plate. A coating roller is rotatably connected between the mounting frames. The end of the pushing plate abuts against the side of the coating roller. A first spring is fixedly connected between the pushing plate and the mounting frame. The end of the pushing plate has a triangular prism shape. A material leveling structure is provided on the top side of the mounting frame.

[0008] Optionally, in one embodiment of the present invention, the coating roller is provided with two guide shafts on its side, and the two ends of the guide shafts are rotatably connected to the mounting frame, and the guide shafts and the coating roller are arranged in a triangular pattern.

[0009] Optionally, in an embodiment of the utility model, the inside of the push plate is slidably connected with a traction rod, the traction rod penetrates the push plate, and the end of the traction rod is in abutment with the push plate.

[0010] Optionally, in an embodiment of the utility model, the end of the traction rod is rotatably connected with a release rod, the end of the release rod is arc-shaped, the axis of the arc-shaped end of the release rod is not in the same straight line with the rotation axis of the release rod, and the side of the release rod is in abutment with the side of the push plate.

[0011] Optionally, in an embodiment of the utility model, the inside of the release rod is slidably connected with a clamping rod, and the second spring is fixedly connected between the clamping rod and the release rod.

[0012] Optionally, in an embodiment of the utility model, the side of the push plate is provided with a clamping groove, and the end of the clamping rod is bevel-shaped.

[0013] Optionally, in an embodiment of the utility model, the uniform material structure comprises a rocking wheel, one rocking wheel is rotatably connected to each side of the mounting frame, and a transmission belt is sleeved between the two rocking wheels.

[0014] Optionally, in an embodiment of the utility model, a guide groove is formed in the middle of the mounting frame, a scraping rod is slidably connected to the mounting frame through the guide groove, the end of the scraping rod is fixedly connected to the side of the transmission belt, and the bottom end of the scraping rod is bevel-shaped.

[0015] Optionally, in an embodiment of the utility model, the side of the coating roller is provided with a cleaning rod, the two ends of the cleaning rod are fixedly connected between the mounting plates, and the side of the cleaning rod is in abutment with the coating roller.

[0016] The utility model discloses beneficial effects

[0017] The utility model discloses a PETG film coating device, the cylindrical structure's coating roller is equipped between the mounting frame of both sides, when carrying out the coating work to PETG film, makes it keep the taut state after the PETG film passes the coating roller, the push plate of the side of coating roller will be in abutment with the side of coating roller under the push of first spring at this moment, when PETG film starts to rotate, the coating roller will rotate simultaneously, and in this process, PETG film will keep abutment with the coating roller, the end of push plate is three prism structure, make push plate and coating roller will form the recess, the coating that needs coating is placed into recess and can carry out the coating work to PETG film, because the cylindrical structure of coating roller, make compared with the coating device of plane, greatly reduce the floor area of device whole, and because the exposed area of coating roller is small, can reduce the phenomenon that the impurity appears between PETG film and coating roller, thereby improve coating quality. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or prior art description will be briefly introduced as follows.

[0019] Figure 1 It is a schematic diagram of the overall structure of the present application.

[0020] Figure 2 It is Figure 1 It is a schematic diagram of the connection structure of the mounting bracket and the coating roller.

[0021] Figure 3 It is Figure 2 It is a schematic diagram of the enlarged structure of A part.

[0022] Figure 4 It is Figure 1 It is a schematic diagram of the connection structure of the mounting plate and the pushing plate.

[0023] Figure 5 It is Figure 1 It is a schematic diagram of the connection structure of the mounting bracket and the rocking wheel.

[0024] Explanation of reference signs: mounting bracket 1, coating structure 2, mounting plate 201, pushing plate 202, guide shaft 203, release lever 204, clamping lever 205, coating roller 206, first spring 207, clamping groove 208, second spring 209, traction lever 210, uniform material structure 3, rocking wheel 301, transmission belt 302, guide groove 303, cleaning lever 304, scraping lever 305. DETAILED DESCRIPTION

[0025] In order to further illustrate the technical means and effects adopted by the present application to achieve the predetermined application purposes, the specific embodiments, structures, features and effects according to the present application will be described in detail as follows in combination with the drawings and preferred embodiments. EMBODIMENT

[0026] In order to improve the coating quality and reduce the volume of the equipment, a PETG film coating device is designed, and the specific scheme is as follows:

[0027] As Figures 1-5The PETG film coating device is shown, including the mounting frame 1, the mounting frame 1 is provided with a coating structure 2, the coating structure 2 includes the mounting plate 201, the middle part of the mounting frame 1 is fixedly connected with the mounting plate 201, the mounting plate 201 is slidably connected with the pushing plate 202, the coating roller 206 is rotatably connected between the mounting frames 1, the end of the pushing plate 202 abuts against the side of the coating roller 206, the first spring 207 is fixedly connected between the pushing plate 202 and the mounting frame 1, the end of the pushing plate 202 is in a triangular prism structure, and the top side of the mounting frame 1 is provided with a uniform material structure 3.

[0028] The side of the coating roller 206 is provided with two guide shafts 203, the two ends of the guide shaft 203 are rotatably connected between the mounting frames 1, the guide shaft 203 and the coating roller 206 are distributed in a triangular shape, the input part and the output part of the PETG film can be guided through the two guide shafts 203, thereby improving the flatness of the whole PETG film and making the coating of the paint more uniform, the inner side of the pushing plate 202 is slidably connected with the traction rod 210, the traction rod 210 penetrates through the pushing plate 202, the end of the traction rod 210 abuts against the pushing plate 202, the end of the traction rod 210 is rotatably connected with the release rod 204, the end of the release rod 204 is in an arc surface structure, the axis of the arc end of the release rod 204 is not in the same straight line as the rotation axis of the release rod 204, the side of the release rod 204 abuts against the side of the pushing plate 202, the traction rod 210 is located on the side of the pushing plate 202, due to the fact that the rotation position between the end of the traction rod 210 and the release rod 204 is deviated to one side, the traction rod 210 is pulled or pushed during the rotation of the release rod 204 on both sides, thereby driving the pushing plate 202 to slide on the mounting plate 201, when the pushing plate 202 is pulled, the gap between the end of the pushing plate 202 and the coating roller 206 is increased, which facilitates the user to pass the PETG film, the inner side of the release rod 204 is slidably connected with the clamping rod 205, the second spring 209 is fixedly connected between the clamping rod 205 and the release rod 204, the side of the pushing plate 202 is provided with a clamping groove 208, the end of the clamping rod 205 is in an inclined surface structure, the clamping effect between the clamping rod 205 at the end of the release rod 204 and the clamping groove 208 can keep the rotation state of the release rod 204, thereby keeping the state of the end of the pushing plate 202 away from the coating roller 206, which facilitates the passing and arrangement of the PETG film.

[0029] The uniform material structure 3 comprises a rocking wheel 301, two rocking wheels 301 are respectively rotationally connected to the two sides of the mounting frame 1, a transmission belt 302 is sleeved between the two rocking wheels 301, a guide groove 303 is arranged in the middle of the mounting frame 1, a scraping rod 305 is slidingly connected to the mounting frame 1 through the guide groove 303, the end of the scraping rod 305 is fixedly connected to the side of the transmission belt 302, the bottom end of the scraping rod 305 is in a beveled structure, since the coating roller 206 has a certain length, when the coating is added, it may not be possible to ensure that the coating is uniformly added between the coating roller 206 and the pushing plate 202, at this time, the user can rotate the rocking wheel 301 on any side of the mounting frame 1, drive the transmission belt 302 to rotate through the rocking wheel 301, and the transmission belt 302 will drive the scraping plate to move transversely in the groove between the coating roller 206 and the pushing plate 202 in the process of rotating, thereby performing uniform material operation on the coating, improving the coating uniformity of the PETG film, the side of the coating roller 206 is provided with a cleaning rod 304, the two ends of the cleaning rod 304 are respectively fixedly connected between the mounting plates 201, and the side of the cleaning rod 304 abuts against the coating roller 206, in the process of moving the PETG film, the coating roller 206 remains in a rotating state, and the cleaning rod 304 located on the side of the coating roller 206 continuously scrapes the side of the coating roller 206, thereby cleaning the impurities that may be attached to the surface of the coating roller 206 in time, and maintaining the quality of coating.

[0030] Working principle:

[0031] First, the cylindrical structure between the two mounting frame 1 is provided with a coating roll 206, in the process of PETG film coating work, PETG film around the coating roll 206 after the keep tight state, the two sides of the coating roll 206 set up two guide shaft 203, can be guided to the input and output of PETG film part, so as to improve the overall flatness of PETG film, so that the coating of the coating more uniform, located in the side of the coating roll 206 extrusion plate 202 will be pushed by the first spring 207 and the side of the coating roll 206, when the PETG film starts to rotate, the coating roll 206 will rotate at the same time, and in the process of PETG film will be in contact with the coating roll 206, the end of the extrusion plate 202 is a triangular prism structure, so that the extrusion plate 202 and the coating roll 206 will form a groove, the coating of the coating roll 206 will be placed in the groove, that is, the coating work of PETG film, due to the cylindrical structure of the coating roll 206, compared with the flat coating device, greatly reduces the overall area of the device, at the same time, due to the small exposure area of the coating roll 206, it can reduce the phenomenon of impurities between PETG film and coating roll 206, so as to improve the coating quality, the side of the extrusion plate 202 is provided with a traction rod 210, because the end of the traction rod 210 and the release rod 204 between the rotating position is deviated to one side, so that when the release rod 204 rotates on both sides in the process will pull or push the traction rod 210, so as to drive the extrusion plate 202 to slide on the mounting plate 201, when the extrusion plate 202 is pulled, the gap between the end of the extrusion plate 202 and the coating roll 206 will increase, which is convenient for the user to pass through the PETG film. Through the clamping effect between the clamping rod 205 at the end of the release rod 204 and the clamping groove 208, the rotating state of the release rod 204 can be maintained, so as to maintain the state of the end of the extrusion plate 202 and the coating roll 206, which is convenient for the user to pass through and arrange the PETG film. At the same time, due to the length of the coating roll 206, it is difficult to ensure uniform addition of coating between the coating roll 206 and the extrusion plate 202 when adding coating. At this time, the user can rotate the roller 301 on one side of the mounting frame 1. The transmission belt 302 is driven to rotate by the roller 301. The scraper moves transversely in the groove between the coating roll 206 and the extrusion plate 202 during the rotation of the transmission belt 302, so as to uniformly distribute the coating and improve the uniformity of the coating of PETG film. During the movement of PETG film, the coating roll 206 keeps rotating, and the cleaning rod 304 on the side of the coating roll 206 continuously scrapes the side of the coating roll 206, so as to clean the impurities attached to the surface of the coating roll 206 in time and maintain the quality of the coating.

[0032] It is apparent to those skilled in the art that the present application is not limited to the details of the foregoing exemplary embodiments, and that the present application can be implemented in other particular forms without departing from the spirit or essential characteristics of the present application. Therefore, the present application should be considered in all respects as illustrative and not restrictive, the scope of the present application being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. No reference signs in the claims should be considered as limiting the scope of the claims.

[0033] The above merely describes the preferred embodiments of the present application, and is not intended to limit the present application in any form. Although the present application has been disclosed with the preferred embodiments as above, it is not intended to limit the present application, and any person skilled in the art can make some changes or modifications to the equivalent embodiments with the disclosed technical content without departing from the technical solution range of the present application. Any modification, equivalent change and modification made to the above embodiments according to the technical essence of the present application without departing from the technical solution content of the present application shall still fall within the scope of the technical solution of the present application.

Claims

1. A PETG film coating device comprising a mounting frame, characterized in that: The mounting frame is provided with a coating structure, the coating structure comprises a mounting plate, the middle part of the mounting frame is fixedly connected with the mounting plate, a pushing plate is slidably connected to the mounting plate, a coating roller is rotatably connected between the mounting frames, the end of the pushing plate abuts against the side surface of the coating roller, the first spring is fixedly connected between the pushing plate and the mounting frame, the end of the pushing plate is in a triangular prism structure, and the top side of the mounting frame is provided with a material uniformizing structure.

2. The PETG film coating apparatus of claim 1, wherein: The side surface of the coating roller is provided with two guide shafts, the two ends of the guide shafts are rotatably connected with the mounting frames respectively, and the guide shafts and the coating roller are distributed in a triangular shape.

3. The PETG film coating apparatus of claim 1, wherein: The inner side of the pushing plate is slidably connected with a traction rod, the traction rod penetrates through the pushing plate, and the end of the traction rod abuts against the pushing plate.

4. The PETG film coating apparatus of claim 3, wherein: The end of the traction rod is rotatably connected with a release rod, the end of the release rod is in an arc surface structure, the axis of the arc surface end of the release rod is not in the same line with the rotation axis of the release rod, and the side surface of the release rod abuts against the side surface of the pushing plate.

5. The PETG film coating apparatus of claim 4, wherein: The inner side of the release rod is slidably connected with a clamping rod, and the second spring is fixedly connected between the clamping rod and the release rod.

6. The PETG film coating apparatus of claim 5, wherein: The side surface of the pushing plate is provided with a clamping groove, and the end of the clamping rod is in an inclined surface structure.

7. The PETG film coating apparatus of claim 1, wherein: The material uniformizing structure comprises a rocking wheel, one rocking wheel is rotatably connected to each side of the mounting frame, and a transmission belt is sleeved between the two rocking wheels.

8. The PETG film coating apparatus of claim 7, wherein: The middle part of the mounting frame is provided with a guide groove, the mounting frame is slidably connected with a scraping rod through the guide groove, the end of the scraping rod is fixedly connected with the side surface of the transmission belt, and the bottom end of the scraping rod is in an inclined surface structure.

9. The PETG film coating apparatus of claim 7, wherein: The side surface of the coating roller is provided with a cleaning rod, the two ends of the cleaning rod are fixedly connected with the mounting plates respectively, and the side surface of the cleaning rod abuts against the coating roller.

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