PET film coating device

Abstract

The utility model relates to the technical field of film coating, in particular to a PET film coating device which comprises a fixing frame, a material box and a film coating box, the material box and the film coating box are both connected to the fixing frame, the material box is provided with an opening, a sealing cover is connected to the material box, a melting assembly used for heating and stirring molten aluminum is arranged on the material box, and the film coating box is connected to the sealing cover. The coating box is connected with a spray gun, the spray gun is connected with a spray head, a pipeline is connected between the spray gun and the material box, the material box is provided with a dust suction assembly used for sucking dust in the material box, and the coating box is provided with a feeding port and a discharging port for a film to pass through. The feeding port and the discharging port are provided with dust removal assemblies used for adsorbing dust on the film. The problem that the working efficiency and practicability are reduced due to the fact that aluminum blocks are accumulated in the device during film coating is solved, and the effect of improving the environment quality of a film during film coating is achieved.

Description

Technical Field

[0001] The utility model relates to the field of thin film coating technology, in particular to a PET thin film coating device. Background Art

[0002] The existing Chinese patent with announcement number CN211964751U discloses a PET film coating device. The utility model discloses a PET film coating device, including a frame, a coating box, a box cover, an electric control box, a coating component, a feeding component, a coil component, a first fixed frame, a first coil roller, a support column and an electrical plug. The top end surface of the frame is fixedly mounted with a coating box by screws, the front end surface of the coating box is fixedly mounted with a box cover by hinges, the top side of the coating box is fixedly mounted with an electric control box by screws, and the other side of the top of the coating box is provided with a coating component; the interior of the coating box is provided with a coil component, the interior of the coating box is provided with a feeding component, and the first fixed frame is fixedly mounted on both sides of one end surface of the coating box by screws; the PET film coating device is simple to operate and has a heating function, and can heat the film to facilitate coating; at the same time, it can have a good guiding effect when conveying the film, thereby improving the coating effect.

[0003] With respect to the above-mentioned related technologies, the inventors believe that the following problems exist: when the above-mentioned device is coating the PET film, it is not easy to melt the aluminum block. When coating the PET film, the aluminum block is easily accumulated in the device, which makes it difficult to melt it quickly, thereby reducing work efficiency. Manual stirring is required, which increases the labor burden and has poor practicality. In addition, when coating the film, the coating environment is not dust-removed, thereby affecting product quality and wasting resources and costs. Utility Model Content

[0004] In order to improve the problem of reduced work efficiency and practicality caused by the accumulation of aluminum blocks in the device during coating, and to improve the environmental quality of the film during coating, the present application provides a PET film coating device.

[0005] The PET thin film coating device provided in this application adopts the following technical solution:

[0006] A PET film coating device includes a fixing frame, a material box, and a coating box. The material box and the coating box are both connected to the fixing frame. The material box is open at the top, and a sealing cover is connected to the material box. The material box is provided with a melting component for heating and stirring aluminum liquid. A spray gun is connected to the coating box, and a nozzle is connected to the spray gun. A pipeline is connected between the spray gun and the material box. The material box is provided with a dust extraction component for sucking dust in the material box. The coating box is provided with a feeding port and a discharging port for the film to pass through, and a dust removal component for adsorbing dust on the film is provided at the feeding port and the discharging port.

[0007] Preferably, the melting component includes a first sealed bearing seat, a second sealed bearing seat, a rotating shaft, a first fixing block, a second fixing block, stirring blades, a scraping plate, a rotating motor, and an electromagnetic coil. The first sealed bearing seat is connected to the bottom of the material box. An installation frame is connected inside the material box and is located at the top of the material box. The installation frame is arranged in a "cross" shape. The second sealed bearing seat is connected to the installation frame. The rotating shaft is connected between the first sealed bearing seat and the second sealed bearing seat. The rotating motor is connected to the fixing frame. The rotating shaft passes out of the material box and is coaxially connected to the output shaft of the rotating motor. The first fixing block is connected to the rotating shaft, and a plurality of first fixing blocks are evenly arranged along the length direction of the rotating shaft. The stirring blades are connected to the first fixing blocks, and one stirring blade is provided on each of the opposite sides of the first fixing block. The second fixing block is connected to the rotating shaft and is located above the first fixing block. The scraping plate is connected to the second fixing block, and one scraping plate is provided on each of the opposite sides of the second fixing block. The scraping plate is slidably attached to the inner wall of the material box. The electromagnetic coil is wound around the outside of the material box and is arranged along the height direction of the material box.

[0008] Preferably, a heat preservation shell is connected to the material box. The heat preservation shell is arranged along the circumference of the material box and is located outside the electromagnetic coil.

[0009] Preferably, the dust extraction component includes a limit frame, a baffle, a dust extraction pipeline, and a dust extraction pump. The dust extraction pump is connected to the fixing frame. A dust extraction port is provided on the coating box. The dust extraction pipeline is connected between the extraction port and the dust extraction pump. The limit frame is connected to the coating box, and one limit frame is provided outside the feeding port and outside the discharging port respectively. The limit frame is arranged in a "U" shape. The baffle is slidably inserted into the limit frame, and a slot for the baffle to insert is opened on the limit frame.

[0010] Preferably, the dust removal component includes an electrostatic generator and an adsorption plate. A mounting groove is provided on the coating box, and one mounting groove is provided on both sides of the feed port and the other sides of the discharge port. The adsorption plate is connected to the mounting groove, and the electrostatic generator is connected to the coating box. The electrostatic generator and the adsorption plate are electrically connected to each other.

[0011] Preferably, a coating table is connected to the coating box, the table top of the coating table is completely in contact with the film, and the side edges of the coating table are rounded.

[0012] In summary, this application includes the following beneficial technical effects:

[0013] The utility model provides a PET film coating device, comprising a fixing frame, a material box, a coating box, a sealing cover, a melting component, a spray gun, a nozzle, a pipeline, a dust extraction component and a dust removal component. During operation, the sealing cover is opened to place an aluminum block in the material box, the aluminum block is melted by the melting component, and the dust extraction component is used to reduce the dust in the coating box to ensure the environmental quality during coating. After the dust extraction operation is completed, the dust removal component is opened to absorb dust at the feed port and the discharge port to ensure the coating environment in the coating box, and to absorb a small amount of dust brought into the film from the air on the other hand. Then, the film is coated by the cooperation of the pipeline, the spray gun and the nozzle, thereby achieving the problem of reducing the work efficiency and practicality due to the accumulation of aluminum blocks in the device during coating, and improving the environmental quality of the film during coating. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of a PET thin film coating device in an embodiment of the present application;

[0015] Figure 2 It is a schematic diagram used to reflect the internal structure of the material box in the embodiment of the present application;

[0016] Figure 3 It is a schematic diagram used to illustrate the internal structure of the coating box in the embodiment of the present application.

[0017] Explanation of the reference numerals: 1. fixing frame; 2. material box; 21. sealing cover; 22. mounting frame; 3. coating box; 31. spray gun; 311. nozzle; 32. pipeline; 33. feed port; 34. discharge port; 4. melting assembly; 41. first sealing bearing seat; 42. second sealing bearing seat; 43. rotating shaft; 44. first fixing block; 45. second fixing block; 46. stirring blade; 47. scraper; 48. rotating motor; 49. electromagnetic coil; 5. dust extraction assembly; 51. limit frame; 52. baffle; 53. dust extraction duct; 54. dust extraction pump; 6. dust removal assembly; 61. electrostatic generator; 62. adsorption plate; 7. insulation shell; 8. coating table. DETAILED DESCRIPTION

[0018] In order to enable those skilled in the art to better understand the scheme of the utility model, the scheme in the embodiment of the utility model will be clearly and completely described below in conjunction with the accompanying drawings. Obviously, the described embodiment is only an embodiment of a part of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work should fall within the scope of protection of the utility model.

[0019] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships 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 position, be constructed and operated in a specific position, and therefore cannot be understood as limiting the present invention; the terms "first", "second", and "third" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance. In addition, unless otherwise clearly specified and limited, 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 a direct connection, or it can be an indirect connection through an intermediate medium, or it can be a connection between the two original components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0020] The present application embodiment discloses a PET thin film coating device. Figure 1 , Figure 2 and Figure 3 The PET film coating device includes a fixing frame 1, a material box 2 and a coating box 3. The material box 2 and the coating box 3 are both connected to the fixing frame 1. The material box 2 is open and is connected to a sealing cover 21. The material box 2 is provided with a melting component 4 for heating and stirring aluminum liquid. The coating box 3 is connected to a spray gun 31. The spray gun 31 is connected to a nozzle 311. A pipe 32 is connected between the spray gun 31 and the material box 2. The film is coated by the cooperation of the pipe 32, the spray gun 31 and the nozzle 311. The coating box 3 is provided with a dust extraction component 5 for sucking dust in the material box 2. The material box 2 is provided with a feed port 33 and a discharge port 34 for the film to pass through. The feed port 33 and the discharge port 34 are provided with a dust removal component 6 for adsorbing dust on the film.

[0021] The melting assembly 4 includes a first sealed bearing seat 41, a second sealed bearing seat 42, a rotating shaft 43, a first fixing block 44, a second fixing block 45, stirring blades 46, a scraper 47, a rotating motor 48 and an electromagnetic coil 49. The first sealed bearing seat 41 is connected to the bottom of the material box 2. An installation frame 22 is connected inside the material box 2. The installation frame 22 is located at the top of the material box 2 and is arranged in a "cross" shape. The second sealed bearing seat 42 is connected to the installation frame 22. The rotating shaft 43 is connected between the first sealed bearing seat 41 and the second sealed bearing seat 42. The rotating motor 48 is connected to the fixing frame 1. The rotating shaft 43 passes out of the material box 2 and is coaxially connected to the output shaft of the rotating motor 48. The first fixing block 44 is connected to the rotating shaft 43. A number of first fixing blocks 44 are evenly arranged along the length direction of the rotating shaft 43. The stirring blades 46 are connected to the first fixing blocks 44. One stirring blade 46 is provided on each of the opposite sides of the first fixing block 44. The second fixing block 45 is connected to the rotating shaft 43. The second fixing block 45 is located above the first fixing block 44. The scraper 47 is connected to the second fixing block 45. One scraper 47 is provided on each of the opposite sides of the second fixing block 45. The scraper 47 is slidably attached to the inner wall of the material box 2. The electromagnetic coil 49 is wound around the outside of the material box 2 and is arranged along the height direction of the material box 2.

[0022] During operation, open the sealing cover 21, place the aluminum block in the material box 2, then use the electromagnetic coil 49 to melt the aluminum block, and use the rotating motor 48 to drive the rotating shaft 43 to rotate. The rotating shaft 43 drives the stirring blades 46 on the first fixing block 44 and the scraper 47 on the second fixing block 45 to rotate. The stirring blades 46 can stir the molten aluminum to make it evenly heated and keep it in a liquid state. The scraper 47 can clean the molten aluminum on the upper inner wall of the material box 2 to prevent the molten aluminum from solidifying.

[0023] A heat preservation shell 7 is connected to the material box 2. The heat preservation shell 7 is arranged along the circumferential direction of the material box 2 and is arranged outside the electromagnetic coil 49. By providing the heat preservation shell 7, heat loss can be reduced and the melting effect of the aluminum block and the heat preservation effect of the molten aluminum can be improved.

[0024] The dust extraction assembly 5 includes a limit frame 51, a baffle 52, a dust extraction pipe 5332 and a dust extraction pump 54. The dust extraction pump 54 is connected to the fixing frame 1. A dust extraction port is provided on the coating box 3. The dust extraction pipe 5332 is connected between the extraction port and the dust extraction pump 54. The limit frame 51 is connected to the coating box 3. One limit frame 51 is provided outside the feed port 33 and outside the discharge port 34 respectively. The limit frame 51 is arranged in a "U" shape. The baffle 52 is slidably inserted into the limit frame 51. A slot for the baffle 52 to be inserted is opened on the limit frame 51. During dust extraction operation, insert the baffle 52 into the limit frame 51 to form a sealed space inside the coating box 3, and then use the dust extraction pump 54 and the dust extraction pipe 5332 to extract dust from the coating box 3 to ensure a dust-free environment inside the coating box 3.

[0025] The dust removal component 6 includes an electrostatic generator 61 and an adsorption plate 62. A mounting groove is provided on the coating box 3. The mounting groove is provided on both sides of the feed port 33 and the discharge port 34. The adsorption plate 62 is connected to the mounting groove. The electrostatic generator 61 is connected to the coating box 3. The electrostatic generator 61 and the adsorption plate 62 are electrically connected to each other. When the baffle 52 is pulled out of the limit frame 51, the electrostatic generator 61 is turned on to generate static electricity on the adsorption plate 62 to adsorb dust brought into the film from the outside, so as to ensure a dust-free environment in the coating box 3 and ensure the quality of the coating.

[0026] A coating table 8 is connected to the coating box 3. The surface of the coating table 8 is completely in contact with the film. The sides of the coating table 8 are rounded. During coating, the coating table 8 provides stable support at the bottom of the film, thereby improving the stability of the film during coating and ensuring the coating quality.

[0027] Finally, it should be noted that the above is only the preferred implementation of the utility model, and the protection scope of the utility model is not limited to the above embodiments. All technical solutions under the idea of ​​the utility model belong to the protection scope of the utility model. It should be pointed out that for ordinary technicians in this technical field, some improvements and modifications without departing from the principle of the utility model should also be regarded as the protection scope of the utility model.

Claims

1. A PET thin film coating device, characterized in that: The invention comprises a fixed frame (1), a material box (2) and a coating box (3), wherein the material box (2) and the coating box (3) are both connected to the fixed frame (1), the material box (2) is arranged with an opening, the material box (2) is connected to a sealing cover (21), the material box (2) is provided with a melting component (4) for heating and stirring aluminum liquid, the coating box (3) is connected to a spray gun (31), the spray gun (31) is connected to a nozzle (311), a pipe (32) is connected between the spray gun (31) and the material box (2), the material box (2) is provided with a dust extraction component (5) for sucking dust in the material box (2), the coating box (3) is provided with a feed port (33) and a discharge port (34) for a film to pass through, and the feed port (33) and the discharge port (34) are provided with a dust removal component (6) for adsorbing dust on the film.

2. A PET thin film coating device according to claim 1, characterized in that: The melting assembly (4) comprises a first sealed bearing seat (41), a second sealed bearing seat (42), a rotating shaft (43), a first fixed block (44), a second fixed block (45), a stirring blade (46), a scraper (47), a rotating motor (48) and an electromagnetic coil (49); the first sealed bearing seat (41) is connected to the bottom of the material box (2); a mounting frame (22) is connected inside the material box (2); the mounting frame (22) is located at the top of the material box (2); the mounting frame (22) is arranged in a "cross" shape; the second sealed bearing seat (42) is connected to the mounting frame (22); the rotating shaft (43) is connected between the first sealed bearing seat (41) and the second sealed bearing seat (42); the rotating motor (48) is connected to the fixed frame (1); the rotating shaft (43) passes through the material box (2) and the input of the rotating motor (48) The output shafts are coaxially connected, the first fixed block (44) is connected to the rotating shaft (43), and a plurality of the first fixed blocks (44) are evenly arranged along the length direction of the rotating shaft (43); the stirring blade (46) is connected to the first fixed block (44), and one stirring blade (46) is respectively provided on two opposite sides of the first fixed block (44); the second fixed block (45) is connected to the rotating shaft (43), and the second fixed block (45) is located above the first fixed block (44); the scraper (47) is connected to the second fixed block (45), and one scraper (47) is respectively provided on two opposite sides of the second fixed block (45); the scraper (47) is slidably attached to the inner wall of the material box (2); the electromagnetic coil (49) is wound around the outside of the material box (2), and the electromagnetic coil (49) is arranged along the height direction of the material box (2).

3. A PET thin film coating device according to claim 2, characterized in that: The material box (2) is connected to a heat-insulating shell (7), the heat-insulating shell (7) is arranged along the circumference of the material box (2), and the heat-insulating shell (7) is arranged outside the electromagnetic coil (49).

4. A PET thin film coating device according to claim 1, characterized in that: The dust extraction assembly (5) includes a limit frame (51), a baffle (52), a dust extraction pipe (53)(32) and a dust extraction pump (54). The dust extraction pump (54) is connected to the fixed frame (1). The coating chamber (3) is provided with a dust extraction port. The dust extraction pipe (53)(32) is connected between the extraction port and the dust extraction pump (54). The limit frame (51) is connected to the coating chamber (3). One limit frame (51) is respectively provided outside the feed port (33) and outside the discharge port (34). The limit frame (51) is arranged in a "U" shape. The baffle (52) is slidably inserted into the limit frame (51). The limit frame (51) is provided with a slot for the baffle (52) to be inserted.

5. The PET thin film coating device according to claim 1, characterized in that: The dust removal assembly (6) includes an electrostatic generator (61) and an adsorption plate (62). The coating chamber (3) is provided with installation grooves. One installation groove is respectively provided on the upper and lower opposite sides of the feed port (33) and on the upper and lower opposite sides of the discharge port (34). The adsorption plate (62) is connected to the installation groove. The electrostatic generator (61) is connected to the coating chamber (3). The electrostatic generator (61) and the adsorption plate (62) are electrically connected to each other.

6. A PET thin film coating device according to claim 1, characterized in that: A coating table (8) is connected inside the coating chamber (3). The tabletop of the coating table (8) is completely attached to the film. The side of the coating table (8) is provided with rounded corners.

Images