PVB film cleaning device

By designing the PVB film cleaning device, the combination of negative pressure parts, wipe parts and blowing parts is used to solve the problem that dust affects the quality of laminated glass after cutting of PVB film, effective cleaning is achieved, and the transparency and quality of the glass are improved.

CN222607284UActive Publication Date: 2025-03-14LUOYANG AOTU MASCH CO LTD
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Patent Information

Application Number
CN202420851719.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-23
Publication Date
2025-03-14
Estimated Expiration
2034-04-23

AI Technical Summary

Technical Problem

During the PVB film cutting process, the generated powder will stick to the film surface, affecting the transparency and quality of the laminated glass. It is difficult for the prior art to effectively remove these dusts.

Method used

A PVB film cleaning device is designed, including a conveyor, a negative pressure part, a dust collector, a wipe and a blow-sucking part. The film is adsorbed by the negative pressure part, the wiper is cleaned by the surface of the film, and the blow-sucking part removes the dust on the wiped cotton layer to achieve continuous cleaning.

Benefits of technology

It effectively removes dust from the surface of PVB film, improves the transparency and quality of laminated glass, is simple to operate and easy to use.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a PVB (polyvinyl butyral) film cleaning device which comprises a conveyor, uniformly distributed vent holes are formed in a conveying belt of the conveyor, a negative pressure part for adsorbing and fixing a film is arranged in the middle of an inner cavity of the conveyor, and a dust removal bin is arranged on the upper surface, corresponding to the negative pressure part, of the conveyor. A wiping piece for wiping the film is arranged at the lower end of an inner cavity of the dust removal bin, and a blowing and sucking piece for cleaning the wiping piece is arranged on the dust removal bin. According to the PVB film cleaning device, dust on the surface of a PVB film can be wiped, dust attached to the wiping cotton layer can be removed, the rotating wiping cotton layer can effectively clean the PVB film continuously, and therefore the transparency of laminated glass is improved, the quality of the laminated glass is improved, operation is easy, and use is convenient.
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Description

Technical Field

[0001] The utility model relates to the technical field of laminated glass, in particular to a PVB film cleaning device. Background Art

[0002] Laminated glass is a composite glass product made of two or more pieces of glass with one or more layers of organic polymer interlayer in between. After special high-temperature pre-pressing (or vacuuming) and high-temperature and high-pressure processing, the glass and the interlayer are permanently bonded together. Commonly used interlayer films for laminated glass include: PVB, SGP, EVA, PU, ​​etc.

[0003] At present, when PVB film is used as the intermediate film of laminated glass, the PVB film needs to be cut into suitable sizes. When the existing PVB film is cut, a large amount of powder will be attached to the surface of the PVB film. If the powder on the surface of the PVB film is not processed and directly put into the interlayer for processing, the transparency of the laminated glass will be greatly affected, thereby reducing the quality of the laminated glass. Therefore, the present application provides a PVB film cleaning device to solve the above problem. Utility Model Content

[0004] The technical problem to be solved by the utility model is to overcome the existing defects and provide a PVB film cleaning device, which can wipe the dust on the surface of the PVB film and remove the dust attached to the wiping cotton layer, so that the rotating wiping cotton layer can continuously and effectively clean the PVB film, thereby improving the transparency of the laminated glass and improving the quality of the laminated glass. The utility model is simple to operate and easy to use, and can effectively solve the problems in the background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a PVB film cleaning device, comprising a conveyor, a conveyor belt of the conveyor is provided with evenly distributed ventilation holes, and a negative pressure part for adsorbing and fixing the film is provided in the middle of the inner cavity of the conveyor, a dust removal bin is provided on the upper surface of the conveyor corresponding to the negative pressure part, a wiping part for wiping the film is provided at the lower end of the inner cavity of the dust removal bin, and a blowing and suction part for cleaning the wiping part is provided on the dust removal bin.

[0006] As a preferred technical solution of the utility model, the negative pressure component includes a negative pressure box installed inside the conveyor, and the side of the negative pressure box is provided with an exhaust pipe that runs through the outside of the conveyor, and the air outlet of the exhaust pipe is provided with a connecting pipe connected to an external negative pressure pump.

[0007] As a preferred technical solution of the utility model, the wiping member includes a rotating shaft rotatably arranged at the lower end of the inner cavity of the dust removal bin, a wiping cotton layer is provided on the outside of the rotating shaft, and a motor is provided on the outside of the dust removal bin, and the output shaft of the motor is connected to the rotating shaft through a coupling.

[0008] As a preferred technical solution of the utility model, the blowing and suction component includes a high-pressure air pipe installed on the upper side of the dust removal bin for connecting to an external high-pressure air pump, and a nozzle capable of blowing the upper end of the wiping cotton layer is provided on the side of the high-pressure air pipe.

[0009] As a preferred technical solution of the utility model, the blowing and suction part also includes a main pipe installed at the upper end of the outer side of the dust removal bin, which is used to connect an external dust suction device. The side of the main pipe is evenly provided with dust suction pipes extending to the upper end of the inner cavity of the dust removal bin, and the wiping cotton layer is located on the lower side between the nozzle and the dust suction pipe.

[0010] As a preferred technical solution of the utility model, a roller in contact with the wiping cotton layer is provided at the lower end of the interior of the dust removal bin.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] The PVB film cleaning device of the utility model example can wipe the dust on the surface of the PVB film and remove the dust attached to the wiping cotton layer, so that the rotating wiping cotton layer can continuously and effectively clean the PVB film, thereby improving the transparency of the laminated glass and the quality of the laminated glass. The operation is simple and easy to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the structure of the utility model;

[0014] Figure 2 for Figure 1 A schematic cross-sectional structure diagram of;

[0015] Figure 3 It is a cross-sectional structural schematic diagram of the dust removal bin in the utility model;

[0016] Figure 4 It is a rear structural schematic diagram of the dust removal bin in the utility model.

[0017] In the figure: 1 conveyor, 2 vent, 3 negative pressure box, 31 exhaust pipe, 32 connecting pipe, 4 dust removal bin, 5 rotating shaft, 51 wiping cotton layer, 6 motor, 7 high pressure air pipe, 71 nozzle, 8 main pipeline, 81 dust suction pipe, 9 roller. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] See also Figure 1-4 The utility model provides a technical solution: a PVB film cleaning device, comprising a conveyor 1, a conveyor belt of the conveyor 1 is provided with evenly distributed vent holes 2, and a negative pressure piece for adsorbing and fixing the film is provided in the middle of the inner cavity of the conveyor 1, the PVB film with the dust side facing upward is placed on the conveyor 1, and the conveyor 1 conveys the PVB film; a dust removal bin 4 is provided on the upper surface of the conveyor 1 corresponding to the negative pressure piece, a wiping piece for wiping the film is provided at the lower end of the inner cavity of the dust removal bin 4, the wiping piece cleans the PVB film passing under it, and a blowing and suction piece for cleaning the wiping piece is provided on the dust removal bin 4, the blowing and suction piece can clean the wiping piece and extract the dust inside the dust removal bin 4.

[0020] Furthermore, the negative pressure component includes a negative pressure box 3 installed inside the conveyor 1. The side of the negative pressure box 3 is provided with an exhaust pipe 31 that passes through the outside of the conveyor 1. The air outlet of the exhaust pipe 31 is provided with a connecting pipe 32 connected to an external negative pressure pump. The external negative pressure pump provides the connecting pipe 32 and the exhaust pipe 31 to put the negative pressure box 3 in a negative pressure state. When the PVB film passes through the negative pressure box 3, the PVB film is tightly adsorbed onto the conveyor belt of the conveyor 1.

[0021] Furthermore, the wiping member includes a rotating shaft 5 rotatably arranged at the lower end of the inner cavity of the dust removal bin 4, a wiping cotton layer 51 is provided on the outer side of the rotating shaft 5, and a motor 6 is provided on the outer side of the dust removal bin 4. The output shaft of the motor 6 is connected to the rotating shaft 5 through a coupling, and the motor 6 is controlled to work through an external switch group. The motor 6 drives the wiping cotton layer 51 to rotate through the rotating shaft 5, and the wiping cotton layer 51 wipes the dust on the surface of the PVB film.

[0022] Furthermore, the blowing and suction device includes a high-pressure air pipe 7 installed on the upper side of the dust removal bin 4, which is used to connect to an external high-pressure air pump. The side of the high-pressure air pipe 7 is provided with a nozzle 71 capable of blowing the upper end of the wiping cotton layer 51. The external high-pressure air pump sprays high-pressure air through the high-pressure air pipe 7 and the nozzle 71, thereby blowing off the dust attached to the wiping cotton layer 51 and making the wiping cotton layer 51 in a fluffy state.

[0023] Furthermore, the blowing and suction component also includes a main pipe 8 installed at the upper end of the outer side of the dust removal bin 4, which is used to connect an external dust collection device. The side of the main pipe 8 is evenly provided with a dust collection pipe 81 extending to the upper end of the inner cavity of the dust removal bin 4, and the wiping cotton layer 51 is located on the lower side between the nozzle 71 and the dust collection pipe 81. The external dust collection device extracts and collects the dust inside the dust removal bin 4 through the main pipe 8 and the dust collection pipe 81.

[0024] Furthermore, a roller 9 in contact with the wiping cotton layer 51 is provided at the inner lower end of the dust removal bin 4 to seal the lower side of the dust removal bin 4 .

[0025] The conveyor 1 and motor 6 used in the present invention are commonly used electronic components in the prior art, and their working methods and circuit structures are well-known technologies and are not described here. The conveyor 1 and motor 6 are electrically connected to an external switch group.

[0026] When using:

[0027] Since there is a supporting platform at the bottom when the PVB film is cut, the dust is mainly concentrated on the upper surface of the PVB film; therefore, the PVB film with the dusty side facing upward is placed on the conveyor 1, and the conveyor 1 conveys the PVB film;

[0028] The external negative pressure pump provides a connecting pipe 32 and an exhaust pipe 31 to keep the negative pressure box 3 in a negative pressure state. When the PVB film passes through the negative pressure box 3, the PVB film is tightly adsorbed onto the conveyor belt of the conveyor 1.

[0029] The motor 6 is controlled to work by an external switch group, and the motor 6 drives the wiping cotton layer 51 to rotate through the rotating shaft 5, and the wiping cotton layer 51 wipes the dust on the surface of the PVB film;

[0030] The external high-pressure air pump sprays high-pressure air through the high-pressure air pipe 7 and the nozzle 71, thereby blowing away the dust attached to the wiping cotton layer 51 and making the wiping cotton layer 51 fluffy;

[0031] The external dust suction device extracts and collects the dust inside the dust removal bin 4 through the main pipeline 8 and the dust suction pipe 81 .

[0032] The utility model can wipe the dust on the surface of the PVB film and can also remove the dust attached to the wiping cotton layer 51, so that the rotating wiping cotton layer 51 can continuously and effectively clean the PVB film, thereby improving the transparency of the laminated glass and the quality of the laminated glass, and the operation is simple and convenient to use.

[0033] The undisclosed parts in the present utility model are all prior art, and their specific structures, materials and working principles are not described in detail. Although the embodiments of the present utility model have been shown and described, it is understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present utility model, and the scope of the present utility model is defined by the attached claims and their equivalents.

Claims

1. A PVB film cleaning device, comprising a conveyor (1), characterized in that: The conveyor belt of the conveyor (1) is provided with evenly distributed ventilation holes (2), and a negative pressure piece for adsorbing and fixing the film is provided in the middle of the inner cavity of the conveyor (1), a dust removal bin (4) is provided on the upper surface of the conveyor (1) corresponding to the negative pressure piece, a wiping piece for wiping the film is provided at the lower end of the inner cavity of the dust removal bin (4), and a blowing and suction piece for cleaning the wiping piece is provided on the dust removal bin (4).

2. The PVB film cleaning device according to claim 1, characterized in that: The negative pressure member comprises a negative pressure box (3) installed inside the conveyor (1); a side surface of the negative pressure box (3) is provided with an air extraction pipe (31) penetrating the outside of the conveyor (1); an air outlet of the air extraction pipe (31) is provided with a connecting pipe (32) connected to an external negative pressure pump.

3. The PVB film cleaning device according to claim 1, characterized in that: The wiping member comprises a rotating shaft (5) rotatably arranged at the lower end of the inner cavity of the dust removal bin (4); a wiping cotton layer (51) is arranged on the outer side of the rotating shaft (5); and a motor (6) is arranged on the outer side of the dust removal bin (4); an output shaft of the motor (6) is connected to the rotating shaft (5) via a coupling.

4. The PVB film cleaning device according to claim 3, characterized in that: The blowing and suction member comprises a high-pressure air pipe (7) installed on the upper side of the dust removal bin (4) and used for connecting to an external high-pressure air pump; a nozzle (71) capable of blowing the upper end of the wiping cotton layer (51) is provided on the side of the high-pressure air pipe (7).

5. The PVB film cleaning device according to claim 4, characterized in that: The blowing and suction member further comprises a main pipe (8) installed at the upper end of the outer side of the dust removal bin (4) and used for connecting to an external dust collection device; dust collection pipes (81) extending to the upper end of the inner cavity of the dust removal bin (4) are evenly arranged on the side of the main pipe (8); and the wiping cotton layer (51) is located at the lower side between the nozzle (71) and the dust collection pipe (81).

6. The PVB film cleaning device according to claim 3, characterized in that: A roller (9) in contact with the wiping cotton layer (51) is provided at the inner lower end of the dust removal bin (4).