Film corona treatment device

Abstract

The utility model provides a film corona treatment device which comprises a rack, two guide assemblies are arranged on the rack at intervals, each guide assembly comprises a guide seat, a first guide roller and a second guide roller are arranged on each guide seat, the first guide roller and the second guide roller are arranged at intervals in the vertical direction, and the first guide roller is parallel to the second guide roller; two cleaning assemblies are arranged between the two guide assemblies in a spaced mode, each cleaning assembly comprises a supporting base, a cleaning box and a dust collection fan, each cleaning box is provided with an opening, the opening of each cleaning box is covered with a net plate, the cleaning boxes in the two cleaning assemblies are arranged in a spaced mode, and the openings of the two cleaning boxes are oppositely arranged; a corona treatment box is further arranged on the rack and located on the side, away from the cleaning assembly, of one guide assembly. According to the utility model, the technical problem that dust is adhered to the surface of the film to influence the corona treatment effect is solved, and the technical effects of ensuring that the surface of the film is clean when the film is subjected to corona treatment and improving the subsequent processing quality are achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of film production, in particular to a film corona treatment device. Background Art

[0002] Before the film is processed by ink printing, laminating, film blowing, coating, gluing, material modification, grafting, polymerization, coating, casting and pasting, in order to make the surface of the film have stronger adhesion and prevent the occurrence of printing color loss, loose composite pasting, uneven coating leakage and other phenomena during the production process, the film needs to be subjected to corona impact treatment first.

[0003] The Chinese utility model patent with the announcement number CN208629954U discloses a corona device for a film blowing machine, comprising a corona frame, an electric shock box and a transformer mounted on the corona frame, an electric shock head electrically connected to the transformer is arranged in the electric shock box, the electric shock box is mounted on the top of the corona frame, a corona conveying active roller and a corona conveying driven roller close to the corona conveying active roller are hingedly mounted on the front of the lower end of the corona frame, the corona conveying active roller is connected to a corona conveying motor that drives it to rotate, a film inlet and a film outlet are arranged at the bottom and top of the electric shock box respectively, a corona conveying first guide roller is installed on the corona frame at an angle below the film inlet, a corona conveying second guide roller is installed on the electric shock box at the film outlet, and a corona conveying third guide roller is installed on the corona frame at an angle above the corona conveying active roller. The corona device of the film blowing machine can be applied to the corona treatment of plastic films of different thicknesses by adjusting the distance between the corona conveying driven roller and the corona conveying active roller.

[0004] During the use of the corona device disclosed in the above-mentioned utility model patent, the plastic film blown from the film blowing machine can be input into the corona device from bottom to top through the gap between the corona conveying active roller and the corona conveying driven roller. Since the dust in the surrounding environment will adhere to the surface of the plastic film during the conveying process, the surface of the film attached with dust cannot be corona treated when the film is conveyed to the inside of the corona box for corona treatment, which not only has an adverse effect on the treatment effect of the corona device, but also affects the subsequent processing of the film. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a thin film corona treatment device, which solves the problem in the prior art that dust adheres to the surface of the film and affects the corona treatment effect.

[0006] According to an embodiment of the utility model, a thin film corona treatment device includes a frame, two guide assemblies are arranged on the frame at intervals in the horizontal direction, the guide assemblies respectively include guide seats fixedly connected to the frame, a rotatable first guide roller and a second guide roller are arranged on the guide seat, the first guide roller and the second guide roller are arranged at intervals in the vertical direction and the first guide roller is parallel to the second guide roller; two cleaning assemblies are arranged between the two guide assemblies, the cleaning assemblies respectively include a support seat fixedly connected to the frame, a cleaning box arranged on the support seat and a dust suction fan connected to the cleaning box, the cleaning boxes respectively have openings and the openings of the cleaning boxes are respectively covered with mesh plates, the cleaning boxes in the two cleaning assemblies are arranged at intervals in the vertical direction and the openings of the two cleaning boxes are arranged opposite to each other; a corona treatment box is also provided on the frame, and the corona treatment box is located on the side of one of the guide assemblies away from the cleaning assembly.

[0007] Furthermore, the second guide roller is liftably arranged on the guide seat, and a driving component drivingly connected to the second guide roller is provided on the guide seat, and the driving component drives the second guide roller to approach or move away from the first guide roller.

[0008] Furthermore, movable plates are respectively provided at both ends of the second guide roller, a slide groove is provided on the guide seat, the length direction of the slide groove is a vertical direction and the movable plate extends into the slide groove to cooperate with the slide groove.

[0009] Furthermore, the driving assembly includes an adjusting screw and a supporting spring, the guide seat is provided with a threaded hole matching the adjusting screw and the axial direction of the threaded hole is in the vertical direction, the opposite ends of the supporting spring in the telescopic direction are respectively abutted against the guide seat and the movable plate, and the adjusting screw and the supporting spring are respectively abutted against the opposite surfaces of the movable plate in the vertical direction in a one-to-one manner.

[0010] Furthermore, a vertical guide rod is provided in the slide groove, a guide hole matching with the guide rod is provided on the movable plate, and the support spring is sleeved on the guide rod.

[0011] Furthermore, the adjusting screw is provided with an adjusting knob, and the adjusting knob is located at an end of the adjusting screw away from the movable plate.

[0012] Furthermore, exhaust pipes connected to the cleaning box are respectively provided on opposite sides of the cleaning box, a through hole for the exhaust pipe to pass through is provided on the support seat, and one end of the exhaust pipe away from the cleaning box is connected to the dust suction fan.

[0013] Furthermore, the cleaning boxes are rotatably connected to the support seats respectively, the cross-section of the through holes is in the shape of an arc groove, and the center of the through holes falls on the rotation axis of the cleaning box.

[0014] Furthermore, a smoothing component is provided on the frame, and the smoothing component is located on the side of the guide component close to the corona treatment box away from the corona treatment box and between the guide component and the cleaning component. The smoothing component includes a mounting seat fixedly connected to the frame and a smoothing plate arranged on the mounting seat, and the smoothing plate is in a triangular frame shape and the width of the smoothing plate gradually increases in the direction approaching the guide component.

[0015] Furthermore, the smoothing assembly also includes a tensioning roller rotatably disposed on the mounting seat, and the tensioning roller is located between the smoothing plate and the cleaning assembly.

[0016] Compared with the prior art, the utility model has the following beneficial effects: by adopting two guide assemblies arranged at intervals on the frame to guide the film into the corona treatment box to perform corona impact treatment on the film, and the film passes through the gap between the first guide roller and the second guide roller when being transported on the frame, and two cleaning assemblies are arranged at intervals between the two guide assemblies, the cleaning assembly includes a cleaning box and a dust suction fan connected to the cleaning box, the dust suction fan draws out the gas in the cleaning box to generate airflow at the opening of the cleaning box, and the airflow absorbs the dust attached to the surface of the film so that the dust is separated from the film and passes through the mesh plate into the cleaning box, and at the same time the mesh plate blocks the film from entering the cleaning box with the airflow so that the film keeps being transported to the corona treatment box, and the openings of the cleaning boxes in the two cleaning assemblies are arranged relatively to clean the upper and lower surfaces of the film respectively, so that the surface of the film is fully cleaned before the film enters the corona treatment box, which solves the technical problem that dust adheres to the surface of the film and affects the corona treatment effect, and produces the technical effect of ensuring the surface cleanness of the film when the corona treatment is performed and improving the subsequent processing quality, and the operation is simple and convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic structural diagram of a thin film corona treatment device according to an embodiment of the utility model;

[0018] Figure 2 for Figure 1 The enlarged view of point A in the middle;

[0019] Figure 3 It is a front view of a thin film corona treatment device according to an embodiment of the utility model;

[0020] Figure 4 for Figure 3 Enlarged view of point B in the middle.

[0021] In the above drawings: 100, frame; 200, guide assembly; 201, guide seat; 202, first guide roller; 203, second guide roller; 204, drive assembly; 205, movable plate; 206, slide groove; 207, adjusting screw; 208, supporting spring; 209, guide rod; 210, adjusting knob; 300, cleaning assembly; 301, supporting seat; 302, cleaning box; 303, mesh plate; 304, exhaust pipe; 305, through hole; 306, rotating rod; 307, locking knob; 400, corona treatment box; 500, smoothing assembly; 501, mounting seat; 502, smoothing plate; 503, tensioning roller. DETAILED DESCRIPTION

[0022] The technical solution of the present utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0023] like Figures 1 to 4 As shown, the embodiment of the utility model provides a film corona treatment device for performing corona impact treatment on the film, so that the surface of the film has stronger adhesion to facilitate subsequent further processing of the film.

[0024] Please refer to Figure 1 and Figure 3The film corona treatment device comprises a frame 100, on which two guide assemblies 200 for conveying a film are arranged at intervals in the horizontal direction, the guide assemblies 200 respectively comprise guide seats 201 and the guide seats 201 are fixedly connected to the frame 100, the guide seats 201 are provided with a rotatable first guide roller 202 and a rotatable second guide roller 203, the first guide roller 202 and the second guide roller 203 are arranged at intervals in the vertical direction and the first guide roller 202 is parallel to the second guide roller 203, there is a gap between the first guide roller 202 and the second guide roller 203 for the film to pass through and the second guide roller 203 presses the film on the first guide roller 202 so that the film is kept taut during the conveying process; the frame 100 is also provided with two cleaning assemblies 300, the two cleaning assemblies 300 are located between the two guide assemblies 200 and are arranged at intervals in the horizontal direction, the cleaning assemblies 300 respectively comprise support assemblies fixedly connected to the frame 100 A support seat 301, a cleaning box 302 arranged on the support seat 301 and a dust suction fan connected to the cleaning box 302, the cleaning boxes 302 respectively have openings and the openings of the cleaning boxes 302 are respectively covered with mesh plates 303, the cleaning boxes 302 in the two cleaning assemblies 300 are arranged at intervals in the vertical direction, and the openings of the two cleaning boxes 302 are arranged relatively to each other so that the openings of the two cleaning boxes 302 are respectively close to the upper and lower surfaces of the film, and the gas in the cleaning box 302 is extracted by the dust suction fan to generate an airflow at the opening of the cleaning box 302 and suck the dust attached to the surface of the film into the cleaning box 302; a corona treatment box 400 is also provided on the frame 100, and the corona treatment box 400 is located on a side of one of the guide assemblies 200 away from the cleaning assembly 300. The film cleaned by the cleaning assembly 300 enters the corona treatment box 400 under the guidance of the guide assembly 200, and can be subjected to corona impact treatment in the corona treatment box 400.

[0025] Specifically, the operating steps of using the film corona treatment device provided in this embodiment to treat the film are as follows: the film is passed through one of the guide components 200, two of the cleaning components 300 and another of the guide components 200 in the horizontal direction in sequence, and then enters the corona treatment box 400 for corona impact treatment and then is rolled up, and the film is pulled to move on the frame 100 by rolling up the film, and when the film is conveyed on the frame 100, it passes through the gap between the first guide roller 202 and the second guide roller 203 and is pressed against the first guide roller 202 by the second guide roller 203 to keep the film taut, and when the film passes through the cleaning component 300, the cleaning box is drawn out by the dust suction fan The gas in 302 generates airflow at the opening of the cleaning box 302, and the dust attached to the surface of the film is absorbed by the airflow so that the dust is separated from the film and passes through the mesh plate 303 into the cleaning box 302. At the same time, the mesh plate 303 blocks the film from entering the cleaning box 302 with the airflow so that the film is kept being transported to the corona treatment box 400. The openings of the cleaning boxes 302 in the two cleaning assemblies 300 are arranged relatively to clean the upper and lower surfaces of the film respectively, so that the upper and lower surfaces of the film are kept clean after the film passes through the two cleaning assemblies 300 in turn, thereby ensuring that the surface of the film is fully treated after the film enters the corona treatment box 400, and preventing dust from adhering to the surface of the film and affecting the corona treatment effect. The film corona treatment device provided in this embodiment can ensure that the surface of the film is clean when the film is corona treated, which is conducive to improving the quality of subsequent processing, and is simple to operate and convenient to use.

[0026] Please combine Figure 1 and Figure 2In this embodiment, the second guide roller 203 can be raised and lowered on the guide seat 201, and a driving component 204 is provided on the guide seat 201, which is transmission-connected to the second guide roller 203, and the driving component 204 drives the second guide roller 203 to approach or move away from the first guide roller 202. The second guide roller 203 is arranged on the guide seat 201 to be able to rise and fall in the vertical direction, and the driving component 204 drives the second guide roller 203 to move on the guide seat 201 so that the second guide roller 203 is close to or away from the first guide roller 202. When the second guide roller 203 is away from the first guide roller 202, the gap between the first guide roller 202 and the second guide roller 203 increases. At this time, the film can be easily passed between the first guide roller 202 and the second guide roller 203. After the film is placed between the first guide roller 202 and the second guide roller 203, the driving component 204 drives the second guide roller 203 to approach the first guide roller 202 and press the film onto the first guide roller 202, so that the film can be kept in contact with the first guide roller 202 and the second guide roller 203 and kept taut during the conveying process.

[0027] like Figure 2 As shown, two ends of the second guide roller 203 are provided with movable plates 205, respectively, and the guide seat 201 is provided with a slide groove 206, the length direction of the slide groove 206 is the vertical direction, and the movable plate 205 extends into the slide groove 206 and cooperates with the slide groove 206. By providing the slide groove 206 on the guide seat 201 to cooperate with the movable plate 205 to limit the moving direction of the second guide roller 203 on the guide seat 201, it is prevented that the second guide roller 203 deviates from the preset direction when moving, causing the first guide roller 202 and the second guide roller 203 to be staggered, which is conducive to improving the reliability of the guide assembly 200.

[0028] In detail, the driving assembly 204 includes an adjusting screw 207 and a supporting spring 208. The guide seat 201 is provided with a threaded hole matching the adjusting screw 207 and the axial direction of the threaded hole is in the vertical direction. The opposite ends of the supporting spring 208 in the telescopic direction are respectively abutted against the guide seat 201 and the movable plate 205, and the adjusting screw 207 and the supporting spring 208 are respectively abutted against the opposite surfaces of the movable plate 205 in the vertical direction in a one-to-one correspondence. When the position of the second guide roller 203 needs to be adjusted, the adjusting screw 207 is rotated to make the adjusting screw 207 move in the threaded hole along the axial direction of the threaded hole. At this time, the end of the adjusting screw 207 close to the movable plate 205 approaches or moves away from the first guide roller 202, and the elastic force provided by the supporting spring 208 during the movement of the adjusting screw 207 keeps the movable plate 205 in contact with the adjusting screw 207. When the end of the adjusting screw 207 approaches the first guide roller 202, the adjusting screw 207 pushes the movable plate 205 to approach the first guide roller 202. The first guide roller 202 drives the second guide roller 203 to approach the first guide roller 202, and the support spring 208 is compressed at this time. When the end of the adjusting screw 207 moves away from the first guide roller 202, the support spring 208 extends and pushes the movable plate 205 so that the movable plate 205 remains in contact with the adjusting screw 207. At this time, the second guide roller 203 is pushed away from the first guide roller 202 by the support spring 208, that is, the position of the second guide roller 203 can be conveniently adjusted by rotating the adjusting screw 207, and the operation is simple.

[0029] like Figure 2 and Figure 3 As shown, a vertical guide rod 209 is provided in the slide groove 206, a guide hole matching the guide rod 209 is provided on the movable plate 205, and the support spring 208 is sleeved on the guide rod 209. The guide rod 209 is provided in the slide groove 206, and the guide hole matching the guide rod 209 is provided on the movable plate 205 so that the movable plate 205 is kept in the slide groove 206, and the movable plate 205 is prevented from being separated from the slide groove 206 during the process of adjusting the position of the second guide roller 203. The support spring 208 is sleeved on the guide rod 209 so that the support spring 208 is kept in contact with the movable plate 205 and the guide seat 201, which is conducive to improving the structural stability of the guide assembly 200.

[0030] Specifically, the adjusting screw 207 is provided with an adjusting knob 210, and the adjusting knob 210 is located at an end of the adjusting screw 207 away from the moving plate 205. By providing the adjusting knob 210 at the end of the adjusting screw 207, it is convenient to operate the adjusting screw 207 to rotate, so as to conveniently adjust the relative positions of the first guide roller 202 and the second guide roller 203 according to production requirements.

[0031] Please refer to Figure 3 and Figure 4 , the two opposite sides of the cleaning box 302 are respectively provided with exhaust pipes 304 connected to the cleaning box 302, the support seat 301 is provided with a through hole 305 for the exhaust pipe 304 to pass through, and the end of the exhaust pipe 304 away from the cleaning box 302 is connected to the dust suction fan. The exhaust pipes 304 connected to the dust suction fan are arranged on both sides of the cleaning box 302, so that each area at the opening of the cleaning box 302 can generate a stable airflow, preventing the cleaning box 302 from generating insufficient airflow at a position far from the exhaust pipe 304 to separate the dust on the film surface from the film, and ensuring that the cleaning assembly 300 has a good cleaning effect.

[0032] In detail, the cleaning box 302 is rotatably connected to the support seat 301, and the cross section of the through hole 305 is in the shape of an arc groove, and the center of the through hole 305 falls on the rotation axis of the cleaning box 302. The opposite ends of the cleaning box 302 are respectively provided with a rotation rod 306, and the support seat 301 is provided with a mounting hole that matches the rotation rod 306 to rotatably connect the cleaning box 302 to the support seat 301. By rotating the cleaning box 302, the inclination angle of the cleaning box 302 is adjusted so that the opening of the cleaning box 302 can be kept parallel to the film, so as to avoid the film being damaged due to friction between the film and the edge of the cleaning box 302 during the cleaning process of the cleaning box 302, and the through hole 305 is set to a circular arc groove so that when the cleaning box 302 rotates, the exhaust pipe 304 can The cleaning box 302 can move in the through hole 305 to prevent the exhaust pipe 304 from folding when the cleaning box 302 rotates, causing the exhaust pipe 304 to be blocked, ensuring that the cleaning box 302 remains connected to the dust suction fan, and the rotating rod 306 has a threaded portion, and the rotating rod 306 is provided with a locking knob 307 that cooperates with the threaded portion. The locking knob 307 can be rotated to make the locking knob 307 abut against the support seat 301 to lock the position of the cleaning box 302 on the support seat 301, thereby preventing the cleaning box 302 from generating unexpected movements during the operation of the thin film corona treatment device.

[0033] like Figure 1As shown, a smoothing component 500 is further provided on the frame 100, and the smoothing component 500 is located on a side of the guide component 200 close to the corona treatment box 400 away from the corona treatment box 400 and is located between the guide component 200 and the cleaning component 300. The smoothing component 500 includes a mounting seat 501 fixedly connected to the frame 100 and a smoothing plate 502 arranged on the mounting seat 501, and the smoothing plate 502 is in a triangular frame shape and the width of the smoothing plate 502 gradually increases in the direction close to the guide component 200. In order to prevent the airflow generated at the opening of the cleaning box 302 from causing wrinkles on the surface of the film when the film passes through the two cleaning components 300, thereby affecting the subsequent corona impact treatment, the film enters the smoothing component 500 after passing through the cleaning component 300 and contacts the smoothing plate 502. The smoothing plate 502 is in a triangular frame shape and the width of the smoothing plate 502 gradually increases in the direction approaching the guide component 200, that is, the width of the smoothing plate 502 gradually increases along the conveying direction of the film so that the film is gradually smoothed from the middle to both sides by the smoothing plate 502 during the conveying process, ensuring that the surface of the film is flat and wrinkle-free when entering the next guide component 200 and the corona treatment box 400, thereby further improving the reliability of the film corona treatment device.

[0034] In this embodiment, the smoothing assembly 500 further includes a tensioning roller 503 rotatably disposed on the mounting seat 501, and the tensioning roller 503 is located between the smoothing plate 502 and the cleaning assembly 300. The tensioning roller 503 is used to abut against the film and guide the film to move from the cleaning assembly 300 to the smoothing plate 502, to prevent the film from becoming loose during conveyance or from being damaged by friction with the mounting seat 501, and to ensure that the film is smoothly conveyed on the film corona treatment device.

[0035] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the purpose and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. A film corona treatment device, comprising a frame, characterized in that: Two guide assemblies are arranged on the frame at intervals in the horizontal direction, and the guide assemblies respectively include guide seats fixedly connected to the frame, and a rotatable first guide roller and a second guide roller are arranged on the guide seat, and the first guide roller and the second guide roller are arranged at intervals in the vertical direction and the first guide roller is parallel to the second guide roller; two cleaning assemblies are arranged between the two guide assemblies, and the cleaning assemblies respectively include a supporting seat fixedly connected to the frame, a cleaning box arranged on the supporting seat and a dust suction fan connected to the cleaning box, the cleaning boxes respectively have openings and the openings of the cleaning boxes are respectively covered with mesh plates, the cleaning boxes in the two cleaning assemblies are arranged at intervals in the vertical direction and the openings of the two cleaning boxes are arranged opposite to each other; a corona treatment box is also provided on the frame, and the corona treatment box is located on a side of one of the guide assemblies away from the cleaning assembly.

2. A thin film corona treatment device as claimed in claim 1, characterized in that: The second guide roller is liftably arranged on the guide seat, and a driving component drivingly connected to the second guide roller is arranged on the guide seat, and the driving component drives the second guide roller to approach or move away from the first guide roller.

3. A thin film corona treatment device as claimed in claim 2, characterized in that: The two ends of the second guide roller are respectively provided with movable plates, and the guide seat is provided with a slide groove, the length direction of the slide groove is the vertical direction and the movable plate extends into the slide groove and cooperates with the slide groove.

4. A thin film corona treatment device as claimed in claim 3, characterized in that: The driving assembly includes an adjusting screw and a supporting spring. The guide seat is provided with a threaded hole matching the adjusting screw and the axial direction of the threaded hole is in the vertical direction. The opposite ends of the supporting spring in the telescopic direction are respectively abutted against the guide seat and the movable plate, and the adjusting screw and the supporting spring are respectively abutted against the opposite surfaces of the movable plate in the vertical direction in a one-to-one correspondence.

5. A thin film corona treatment device as claimed in claim 4, characterized in that: A vertical guide rod is arranged in the slide groove, a guide hole matched with the guide rod is arranged on the movable plate, and the support spring is sleeved on the guide rod.

6. A thin film corona treatment device as claimed in claim 4, characterized in that: The adjusting screw is provided with an adjusting knob, and the adjusting knob is located at an end of the adjusting screw away from the moving plate.

7. A thin film corona treatment device as claimed in claim 1, characterized in that: The opposite sides of the cleaning box are respectively provided with exhaust pipes connected to the cleaning box, the support seat is provided with a through hole for the exhaust pipe to pass through, and one end of the exhaust pipe away from the cleaning box is connected to the dust suction fan.

8. A thin film corona treatment device as claimed in claim 7, characterized in that: The cleaning boxes are rotatably connected to the supporting seats respectively, the cross section of the through holes is in the shape of circular arc grooves and the center of the through holes falls on the rotating shaft of the cleaning box.

9. A thin film corona treatment device as claimed in claim 1, characterized in that: The frame is also provided with a smoothing component, which is located on the side of the guide component close to the corona treatment box away from the corona treatment box and between the guide component and the cleaning component. The smoothing component includes a mounting seat fixedly connected to the frame and a smoothing plate arranged on the mounting seat, the smoothing plate is in a triangular frame shape and the width of the smoothing plate gradually increases in the direction close to the guide component.

10. A thin film corona treatment device as claimed in claim 9, characterized in that: The smoothing assembly also includes a tensioning roller rotatably arranged on the mounting seat, and the tensioning roller is located between the smoothing plate and the cleaning assembly.

Images