Heating and winding device for PET release film

By designing the filter assembly in the PET release membrane heating and winding device, and using the fan and activated carbon filter to filter the harmful gases generated during the heating process, the problem of lack of gas filtration in the existing devices is solved and the air quality of the operating environment is improved.

CN222983976UActive Publication Date: 2025-06-17CHANGHUA OPTOELECTRONIC TECH CO LTD
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Patent Information

Application Number
CN202421971877.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-13
Publication Date
2025-06-17
Estimated Expiration
2034-08-13

AI Technical Summary

Technical Problem

The existing PET release membrane heating and winding device lacks a gas filtration structure, which may produce harmful gases and pose a threat to the operating environment and personnel health.

Method used

A heating and winding device including a filter assembly is designed. The filter assembly consists of a filter box, a fan, an activated carbon filter and an exhaust duct. The fan generates suction force to suck harmful gas into the filter box. The activated carbon filter is subjected to multiple filtration and then removed.

Benefits of technology

Effectively filter and discharge harmful gases generated during heating, improving the air quality of the operating environment.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222983976U_ABST
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Abstract

The utility model provides a PET release film heating and winding device which comprises a base, an L-shaped plate is welded to the back side of the top of the base, a filter assembly is arranged at the top of the L-shaped plate and comprises a filter box, the filter box is fixedly connected to the top of the L-shaped plate, a fan is arranged on the front side of the filter box, and the filter box is fixedly connected to the top of the L-shaped plate. And clamping seats are fixedly connected to the upper side and the lower side of an inner cavity of the filtering box. Suction force is generated through a draught fan, the suction force is transmitted to the position nearby a U-shaped plate through an exhaust pipe, a pipeline connector, a connecting pipe and a horn pipe, harmful gas generated in the PET release film heating process is sucked in, the harmful gas is sucked into a filter box through the horn pipe, the connecting pipe, the pipeline connector and the exhaust pipe, and through the arrangement of a plurality of activated carbon filter screens, the harmful gas can be filtered out. And harmful gas can be filtered for multiple times and finally discharged through the fan, so that the gas generated in the heating process is effectively filtered and then discharged, and the air quality of an operation environment is improved.
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Description

Technical Field

[0001] The utility model relates to a heating and winding device for PET release film, belonging to the technical field of PET release film processing. Background Art

[0002] The processing of PET release film is a process of manufacturing a film with a highly smooth surface and excellent anti-sticking performance using polyethylene terephthalate (PET) material. This kind of film is widely used in the production of labels, tapes and other sticky materials as a protective layer or carrier. The processing process includes making the PET raw material into a film through extrusion and stretching techniques, and then performing surface treatment to improve its release performance, such as coating with silicone oil, etc. Finally, the film is wound under precise control of temperature and tension to ensure its dimensional stability and quality consistency. PET release film is favored due to its excellent physical and chemical stability, heat resistance and good mechanical properties.

[0003] During the processing of PET release film, a heating and winding device is required, but the existing heating and winding device lacks a structure capable of filtering gas, and harmful gases or chemical substances may be generated during the heating process of PET release film, posing a threat to the operating environment and the health of operators.

[0004] Therefore, a heating and winding device for PET release film is proposed. Summary of the Utility Model

[0005] In view of this, the utility model provides a heating and winding device for PET release film to solve or alleviate the technical problems existing in the prior art, and at least provide a beneficial option.

[0006] The technical solution of the utility model is realized as follows: A heating and winding device for PET release film, including a base, an L-shaped plate is welded on the back side of the top of the base, a filtering component is arranged on the top of the L-shaped plate, the filtering component includes a filtering box, the filtering box is fixedly connected to the top of the L-shaped plate, a fan is arranged on the front side of the filtering box, clamping seats are fixedly connected to both the upper and lower sides of the inner cavity of the filtering box, activated carbon filters are clamped inside the clamping seats, and the number of activated carbon filters is three. A suction pipe is communicated with the back side of the filtering box, one end of the suction pipe is communicated with a pipe connector, and the pipe connector is fixedly connected to the back side of the L-shaped plate. Connecting pipes are communicated with both the upper and lower sides of the pipe connector, and one end of each connecting pipe is communicated with a horn pipe.

[0007] Further preferably, a fixing sleeve is sleeved on the surface of the connecting pipe, a fixing rod is fixedly connected to the outside of the fixing sleeve, and one end of the fixing rod is fixedly connected to the inner side of the L-shaped plate.

[0008] Further preferably, a maintenance cover plate is provided on the left side of the filter box, and the four sides of the inner surface of the maintenance cover plate are all threadedly connected to the filter box through fastening screws.

[0009] Further preferably, a U-shaped plate is fixedly connected to the front side of the L-shaped plate, heating pipes are arranged on both the upper and lower sides of the U-shaped plate, and heating wires are wound around the surfaces of the heating pipes.

[0010] Further preferably, a fixing frame is provided on the right side of the top of the base, a rotating motor is provided on the front side of the fixing frame, an output end of the rotating motor is fixedly connected to a rotating shaft, and a winding roller is fixedly connected to the surface of the rotating shaft.

[0011] Further preferably, a guiding plate is provided on the left side of the top of the base, and a guiding groove is formed in the inner surface of the guiding plate.

[0012] Due to the adoption of the above technical solutions in the embodiments of the present utility model, it has the following advantages:

[0013] 1. The present utility model generates suction through a fan, and the suction is conducted to the vicinity of the U-shaped plate through an exhaust duct, a pipe connector, a connecting pipe and a horn pipe, sucking the harmful gases generated during the heating process of the PET release film. The harmful gases are sucked into the filter box through the horn pipe, the connecting pipe, the pipe connector and the exhaust duct. Through the arrangement of multiple activated carbon filter meshes, the harmful gases can be filtered multiple times and finally discharged through the fan, effectively filtering and discharging the gases generated during the heating process, and improving the air quality of the operation environment.

[0014] 2. The present utility model can limit and fix the connecting pipe by arranging a fixing sleeve and a fixing rod to prevent it from falling off. By arranging a guiding groove and a guiding plate, the PET release film during the winding process can be guided to prevent it from shifting during the winding process. By arranging a maintenance cover plate, it is convenient for the staff to take out the activated carbon filter mesh for replacement.

[0015] The above summary is only for the purpose of the specification and is not intended to be limiting in any way. In addition to the above-described illustrative aspects, embodiments and features, further aspects, embodiments and features of the present utility model will be readily apparent by reference to the drawings and the following detailed description. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present application. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0017] Figure 1 is a first - perspective three - dimensional structural schematic diagram of the present utility model;

[0018] Figure 2 is a second - perspective three - dimensional structural schematic diagram of the present utility model;

[0019] Figure 3 is a structural schematic diagram of the filtering component of the present utility model;

[0020] Figure 4 is a structural schematic diagram of the U - shaped plate of the present utility model.

[0021] Reference numerals: 1, base; 2, U - shaped plate; 3, fixing frame; 4, rotating motor; 5, winding roller; 6, rotating shaft; 7, filtering component; 701, filter box; 702, fan; 703, activated carbon filter screen; 704, card seat; 705, fixing rod; 706, exhaust pipe; 707, pipe connector; 708, connecting pipe; 709, horn pipe; 710, fixing sleeve; 8, maintenance cover plate; 9, L - shaped plate; 10, guiding groove; 11, guiding plate; 12, heating pipe; 13, heating wire. Detailed implementation manners

[0022] In the following, only some exemplary embodiments are simply described. As those skilled in the art can recognize, the described embodiments can be modified in various different ways without departing from the spirit or scope of the present utility model. Therefore, the drawings and the description are considered to be exemplary in nature rather than restrictive.

[0023] The embodiments of the present utility model will be described in detail below with reference to the drawings.

[0024] Embodiment 1

[0025] As Figures 1-4 shown, the embodiment of the present utility model provides a heating and winding device for PET release film, which includes a base 1. An L - shaped plate 9 is welded to the back side of the top of the base 1. A filtering component 7 is arranged on the top of the L - shaped plate 9. The filtering component 7 includes a filter box 701. The filter box 701 is fixedly connected to the top of the L - shaped plate 9. A fan 702 is arranged on the front side of the filter box 701. Card seats 704 are fixedly connected to both the upper and lower sides of the inner cavity of the filter box 701. An activated carbon filter screen 703 is clamped inside the card seats 704, and the number of the activated carbon filter screens 703 is three. An exhaust pipe 706 is communicated with the back side of the filter box 701. One end of the exhaust pipe 706 is communicated with a pipe connector 707, and the pipe connector 707 is fixedly connected to the back side of the L - shaped plate 9. Connecting pipes 708 are communicated with both the upper and lower sides of the pipe connector 707. One end of the connecting pipe 708 is communicated with a horn pipe 709.

[0026] Suction is generated by the blower 702. The suction is conducted through the exhaust duct 706, the pipe connector 707, the connecting pipe 708, and the horn pipe 709 to the vicinity of the U-shaped plate 2, sucking in the harmful gases generated during the heating process of the PET release film. The harmful gases are inhaled into the filter box 701 through the horn pipe 709, the connecting pipe 708, the pipe connector 707, and the exhaust duct 706. Through the arrangement of multiple activated carbon filter meshes 703, the harmful gases can be filtered multiple times, and finally exhausted through the blower 702. The gases generated during the heating process are effectively filtered and discharged, improving the air quality of the operating environment.

[0027] Embodiment 2

[0028] In one embodiment, a fixing sleeve 710 is sleeved on the surface of the connecting pipe 708. A fixing rod 705 is fixedly connected to the outside of the fixing sleeve 710, and one end of the fixing rod 705 is fixedly connected to the inside of the L-shaped plate 9. An inspection cover plate 8 is arranged on the left side of the filter box 701, and the four sides of the inner surface of the inspection cover plate 8 are all threadedly connected to the filter box 701 through fastening screws. The front side of the L-shaped plate 9 is fixedly connected to the U-shaped plate 2. Heating tubes 12 are arranged on both the upper and lower sides of the U-shaped plate 2, and heating wires 13 are wound around the surface of the heating tubes 12. A fixing frame 3 is arranged on the right side of the top of the base 1. A rotating motor 4 is arranged on the front side of the fixing frame 3. The output end of the rotating motor 4 is fixedly connected to a rotating shaft 6, and a winding roller 5 is fixedly connected to the surface of the rotating shaft 6. A guiding plate 11 is arranged on the left side of the top of the base 1, and a guiding groove 10 is formed on the inner surface of the guiding plate 11.

[0029] By providing the fixing sleeve 710 and the fixing rod 705, the connecting pipe 708 can be limited and fixed to prevent it from falling off. By providing the guiding groove 10 and the guiding plate 11, the PET release film during the winding process can be guided to prevent it from shifting during the winding process. By providing the inspection cover plate 8, it is convenient for the staff to take out the activated carbon filter mesh 703 for replacement.

[0030] When the utility model works: First, the PET release film to be wound is passed through the guiding groove 10 and wound around the surface of the winding roller 5. At this time, the PET release film is located inside the U-shaped plate 2. Subsequently, the output end of the rotating motor 4 drives the rotating shaft 6 to rotate, and the rotating shaft 6 drives the winding roller 5 to rotate, winding the PET release film to the right. During the winding process, the PET release film is heated through the setting of the heating tube 12 and the heating wire 13. During the heating process, harmful gases will be generated. At this time, the blower 702 is started, and suction is generated by the blower 702. The suction is conducted to the vicinity of the U-shaped plate 2 through the exhaust duct 706, the pipe connector 707, the connecting pipe 708 and the horn pipe 709, sucking the harmful gases generated during the heating of the PET release film. The harmful gases are sucked into the filter box 701 through the horn pipe 709, the connecting pipe 708, the pipe connector 707 and the exhaust duct 706. Through the setting of multiple activated carbon filters 703, the harmful gases can be filtered multiple times and finally discharged through the blower 702, effectively filtering and discharging the gases generated during the heating process, improving the air quality of the operating environment.

[0031] The above is only the specific implementation manner of the present utility model, but the protection scope of the present utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present utility model can easily think of various changes or substitutions thereof, and these should all be covered within the protection scope of the present utility model. Therefore, the protection scope of the present utility model should be subject to the protection scope of the claimed rights.

Claims

1. A heating and winding device for a PET release film, comprising a base (1), characterized in that: An L-shaped plate (9) is welded to the back side of the top of the base (1), a filter assembly (7) is arranged on the top of the L-shaped plate (9), the filter assembly (7) comprises a filter box (701), the filter box (701) is fixedly connected to the top of the L-shaped plate (9), a fan (702) is arranged on the front side of the filter box (701), a holder (704) is fixedly connected to the upper and lower sides of the inner cavity of the filter box (701), and a movable spring (704) is clamped on the inner side of the holder (704). The activated carbon filter (703) is provided with three activated carbon filters (703); the back side of the filter box (701) is connected to an exhaust pipe (706); one end of the exhaust pipe (706) is connected to a pipe connector (707); and the pipe connector (707) is fixedly connected to the back side of the L-shaped plate (9); the upper and lower sides of the pipe connector (707) are both connected to connecting pipes (708); one end of the connecting pipe (708) is connected to a trumpet pipe (709).

2. A heating and winding device for PET release film according to claim 1, characterized in that: A fixing sleeve (710) is sleeved on the surface of the connecting pipe (708), a fixing rod (705) is fixedly connected to the outer side of the fixing sleeve (710), and one end of the fixing rod (705) is fixedly connected to the inner side of the L-shaped plate (9).

3. The heating and winding device for PET release film according to claim 1, characterized in that: An inspection cover plate (8) is provided on the left side of the filter box (701), and the inner surface of the inspection cover plate (8) is threadedly connected to the filter box (701) via fastening screws on all four sides.

4. The heating and winding device for PET release film according to claim 1, characterized in that: The front side of the L-shaped plate (9) is fixedly connected to a U-shaped plate (2), and heating tubes (12) are arranged on the upper and lower sides of the U-shaped plate (2), and a heating wire (13) is wound around the surface of the heating tube (12).

5. The heating and winding device for PET release film according to claim 1, characterized in that: A fixing frame (3) is arranged on the right side of the top of the base (1), a rotating motor (4) is arranged on the front side of the fixing frame (3), an output end of the rotating motor (4) is fixedly connected to a rotating shaft (6), and a winding roller (5) is fixedly connected to the surface of the rotating shaft (6).

6. The heating and winding device for PET release film according to claim 1, characterized in that: A guide plate (11) is provided on the left side of the top of the base (1), and a guide groove (10) is provided on the inner surface of the guide plate (11).