Dust removal device for producing bubble-free PET (Polyethylene Terephthalate) protective film

Abstract

The utility model provides a dust removal device for bubble-free PET protective film production, which comprises a bottom plate, one end of the upper surface of the bottom plate is fixedly connected with a protective box, the bottom of the inner wall of the protective box is provided with a first guide roller, and the two side surfaces of the protective box are provided with first through holes; static elimination rods are fixedly connected to the two sides of the top of the inner wall of the protection box correspondingly, a dust removal box is fixedly connected to the upper surface of the bottom plate, and second through openings are formed in the two end faces of the dust removal box correspondingly. According to the dust removal device for bubble-free PET protective film production, static electricity elimination can be conducted on the surface of a protective film through work of a static electricity elimination rod, then dust attached to the surface of the protective film is more active, a dust suction mechanism works to suck airflow in a dust suction disc, negative pressure is generated in the dust suction disc, the dust can be sucked and removed through the dust suction disc, and the dust removal efficiency is improved. The dust removal effect on the protective film is improved, and the finished product quality of the protective film is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of dust removal devices, in particular to a dust removal device for producing bubble-free PET protective films. Background Art

[0002] Protective films can be divided into digital product protective films, car protective films, household protective films, food preservation protective films, etc. according to their uses. With the popularity of digital products such as mobile phones in China, protective films have gradually become a general term for screen protective films, and their functions in the field of screen protective films are also varied. Nowadays, dust removal is required during the production process of bubble-free PET protective films.

[0003] Chinese patent CN216126232U discloses a dust removal device for producing bubble-free PET protective film. This technical solution, by setting a second motor, a moving rod, a connecting rod and a sliding rod, can better telescopically remove dust from the dust removal device for producing bubble-free PET protective film, thereby avoiding the problem that most dust removal devices for producing bubble-free PET protective film are difficult to telescopically remove dust, thereby better facilitating the use of the dust removal device for producing bubble-free PET protective film;

[0004] During use, the bubble-free PET protective film may carry static electricity during the production process, and static electricity will cause dust to stubbornly adhere to the surface of the protective film. However, the dust removal device used in the production of the bubble-free PET protective film does not have a static electricity elimination function. The device has a poor dust removal effect on the protective film and has a low dust removal quality for the protective film.

[0005] Therefore, it is necessary to provide a new dust removal device for producing bubble-free PET protective film to solve the above-mentioned technical problems. Summary of the invention

[0006] The utility model provides a dust removal device for producing a bubble-free PET protective film, and solves the technical problem that the dust removal device for producing a bubble-free PET protective film does not have a static electricity elimination function, and the dust removal effect of the device on the protective film is poor.

[0007] In order to solve the above technical problems, the utility model provides a dust removal device for bubble-free PET protective film production, comprising a bottom plate, one end of the upper surface of the bottom plate is fixedly connected to a protection box, a first guide roller is arranged at the bottom of the inner wall of the protection box, first openings are opened on both sides of the protection box, and static elimination rods are fixedly connected to both sides of the top of the inner wall of the protection box;

[0008] A dust removal box is fixedly connected to the upper surface of the base plate, and second openings are provided on both end surfaces of the dust removal box. An electric telescopic rod is vertically fixedly connected to the top of the inner wall of the dust removal box, and a accommodating box is laterally fixedly connected to the bottom end of the electric telescopic rod. A dust suction disc that can move in a horizontal direction is provided at the bottom of the accommodating box through a driving mechanism, and a dust suction mechanism connected to the dust suction disc is fixedly connected to the top of the dust removal box.

[0009] Preferably, the driving mechanism includes a threaded rod, which is rotatably connected to the inner cavity of the receiving box, and the surface of the threaded rod is threadedly connected to a threaded sleeve, and the bottom of the threaded sleeve is fixedly connected to a connecting block, and the bottom of the connecting block can be movably extended to the outside of the receiving box and is fixedly connected to the upper surface of the dust collector.

[0010] Preferably, one end of the top of the containing box is fixedly connected to a shell, the inner cavity of the shell is vertically fixedly connected to a motor, the output shaft of the motor can rotatably extend to the inner cavity of the containing box and is fixedly connected to a first bevel gear, and one end of the surface of the threaded rod is fixedly connected to a second bevel gear meshing with the first bevel gear.

[0011] Preferably, a guide opening for movement of the connecting block is transversely opened at the bottom of the containing box.

[0012] Preferably, the dust suction mechanism includes a protective box, which is fixedly connected to the top of the dust removal box. The inner cavity of the protective box is provided with a dust suction fan. The air inlet of the protective box is connected to the dust suction disc through a connecting hose, and the air outlet of the dust suction fan is connected to an exhaust pipe, and the other end of the exhaust pipe extends to the outside of the protective box.

[0013] Preferably, a plurality of second guide rollers are provided at the bottom of the inner wall of the dust removal box.

[0014] Preferably, the surfaces of the protection box and the dust removal box are both detachably connected with inspection box doors via a plurality of bolts.

[0015] Compared with the related art, the dust removal device for bubble-free PET protective film production provided by the utility model has the following beneficial effects:

[0016] The utility model provides a dust removal device for the production of bubble-free PET protective film. After the protective film passes through the interior of a first opening and enters the inner cavity of a protective box, the static elimination rod works to eliminate static electricity on the surface of the protective film, thereby making the dust attached to the surface of the protective film more active. When the protective film after static electricity elimination enters the inner cavity of the dust removal box through the interior of a second opening, the dust suction mechanism works to absorb the airflow inside the dust suction disk, so that negative pressure is generated inside the dust suction disk, and the dust can be sucked out by the dust suction disk, thereby improving the dust removal effect on the protective film, improving the quality of the finished product of the protective film, and facilitating the production, processing and use of the protective film. In addition, during the dust removal process, the electric telescopic rod drives the dust suction disk to rise and fall, and the driving mechanism drives the dust suction disk to move back and forth, thereby expanding the dust removal working range, thereby improving the dust removal effect on the protective film. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A schematic structural diagram of a preferred embodiment of a dust removal device for producing bubble-free PET protective film provided by the utility model;

[0018] Figure 2 for Figure 1 The structural diagram of the front side is shown;

[0019] Figure 3 for Figure 1 The structural schematic diagram of the dust removal mechanism is shown.

[0020] Numbers in the figure: 1. bottom plate; 2. protection box; 3. dust removal box; 4. static elimination rod; 5. first guide roller; 6. first opening; 7. second guide roller; 8. second opening; 9. electric telescopic rod; 10. containing box; 11. outer shell; 12. motor; 13. threaded rod; 14. first bevel gear; 15. second bevel gear; 16. threaded sleeve; 17. connecting block; 18. dust suction disc; 19. connecting hose; 20. protection box; 21. dust suction fan; 22. exhaust pipe. DETAILED DESCRIPTION

[0021] The utility model is further described below in conjunction with the accompanying drawings and implementation modes.

[0022] Please refer to Figure 1 , Figure 2 and Figure 3 ,in, Figure 1 A schematic structural diagram of a preferred embodiment of a dust removal device for producing bubble-free PET protective film provided by the utility model; Figure 2 for Figure 1 The structural diagram of the front side is shown; Figure 3 for Figure 1The dust removal device for producing bubble-free PET protective film comprises a bottom plate 1, one end of the upper surface of the bottom plate 1 is fixedly connected to a protective box 2, a first guide roller 5 is arranged at the bottom of the inner wall of the protective box 2, first openings 6 are opened on both sides of the protective box 2, and static elimination rods 4 are fixedly connected to both sides of the top of the inner wall of the protective box 2.

[0023] A dust removal box 3 is fixedly connected to the upper surface of the base plate 1, and second openings 8 are provided on both end surfaces of the dust removal box 3. An electric telescopic rod 9 is vertically fixedly connected to the top of the inner wall of the dust removal box 3, and a receiving box 10 is laterally fixedly connected to the bottom end of the electric telescopic rod 9.

[0024] The bottom of the storage box 10 is provided with a dust collecting disc 18 which can move in the horizontal direction through a driving mechanism, and the top of the dust removal box 3 is fixedly connected with a dust collecting mechanism which is in communication with the dust collecting disc 18 .

[0025] After the protective film passes through the first opening 6 and enters the inner cavity of the protective box 2, the static elimination rod 4 works to eliminate static electricity on the surface of the protective film, thereby making the dust attached to the surface of the protective film more active.

[0026] When the protective film after static electricity is eliminated enters the inner cavity of the dust removal box 3 through the second opening 8, the dust suction mechanism can work to absorb the airflow inside the dust suction plate 18, so that negative pressure is generated inside the dust suction plate 18. The dust can be sucked out by the dust suction plate 18, thereby improving the dust removal effect of the protective film, improving the quality of the finished product of the protective film, and facilitating the production, processing and use of the protective film.

[0027] During the dust removal process, the electric telescopic rod 9 drives the dust suction disc 18 to rise and fall, and the driving mechanism drives the dust suction disc 18 to move back and forth, thereby expanding the dust removal working range and improving the dust removal effect on the protective film.

[0028] The driving mechanism includes a threaded rod 13, which is rotatably connected to the inner cavity of the storage box 10. The surface of the threaded rod 13 is threadedly connected to a threaded sleeve 16, and the bottom of the threaded sleeve 16 is fixedly connected to a connecting block 17. The bottom of the connecting block 17 can be movably extended to the outside of the storage box 10 and is fixedly connected to the upper surface of the dust collection disc 18.

[0029] One end of the top of the containing box 10 is fixedly connected to the outer shell 11, and the inner cavity of the outer shell 11 is vertically fixedly connected to the motor 12. The output shaft of the motor 12 can rotatably extend to the inner cavity of the containing box 10 and is fixedly connected to the first bevel gear 14. One end of the surface of the threaded rod 13 is fixedly connected to the second bevel gear 15 meshing with the first bevel gear 14.

[0030] After the motor 12 drives the first bevel gear 14 to rotate, the transmission of the second bevel gear 15 can drive the threaded rod 13 to rotate, and then drive the threaded sleeve 16 to move. The connection of the connecting block 17 can drive the dust suction plate 18 to move, and the dust removal working range of the dust suction plate 18 can be expanded by extending the electric telescopic rod 9.

[0031] A guide opening for the connection block 17 to move is laterally opened at the bottom of the storage box 10 , and the guide opening facilitates guiding and limiting the connection block 17 during movement, thereby improving the smoothness and stability of the dust collecting disc 18 during movement.

[0032] The dust suction mechanism includes a protective box 20, which is fixedly connected to the top of the dust removal box 3. The inner cavity of the protective box 20 is provided with a dust suction fan 21. The air inlet of the protective box 20 is connected to the dust suction disc 18 through a connecting hose 19. The air outlet of the dust suction fan 21 is connected to an exhaust pipe 22, and the other end of the exhaust pipe 22 extends to the outside of the protective box 20.

[0033] The other end of the exhaust pipe 22 can be connected to the purification equipment. After the dust suction fan 21 is working, the airflow inside the dust suction pan 18 can be extracted through the connecting hose 19 and discharged through the exhaust pipe 22.

[0034] A plurality of second guide rollers 7 are provided at the bottom of the inner wall of the dust removal box 3, and the surfaces of the protection box 2 and the dust removal box 3 are both detachably connected with inspection box doors by a plurality of bolts.

[0035] The working principle of the dust removal device for producing bubble-free PET protective film provided by the utility model is as follows:

[0036] After the protective film passes through the first opening 6 and enters the inner cavity of the protective box 2, the static elimination rod 4 works to eliminate static electricity on the surface of the protective film, thereby making the dust attached to the surface of the protective film more active. When the protective film after static elimination passes through the second opening 8 and enters the inner cavity of the dust removal box 3, the dust suction fan 21 works and the airflow inside the dust suction disk 18 is extracted by the connecting hose 19 to generate negative pressure inside the dust suction disk 18. The dust can be sucked out by the dust suction disk 18 and discharged through the exhaust pipe 22, thereby improving the dust removal effect on the protective film, improving the quality of the finished product of the protective film, and facilitating the production, processing and use of the protective film.

[0037] Compared with the related art, the dust removal device for bubble-free PET protective film production provided by the utility model has the following beneficial effects:

[0038] The utility model provides a dust removal device for the production of bubble-free PET protective film. After the protective film passes through the interior of the first opening 6 and enters the inner cavity of the protection box 2, the static elimination rod 4 works to eliminate static electricity on the surface of the protective film, thereby making the dust attached to the surface of the protective film more active. When the protective film after static elimination enters the inner cavity of the dust removal box 3 through the interior of the second opening 8, the dust suction mechanism works to absorb the airflow inside the dust suction disk 18, so that negative pressure is generated inside the dust suction disk 18, and the dust can be sucked out by the dust suction disk 18, thereby improving the dust removal effect on the protective film, improving the quality of the finished product of the protective film, and facilitating the production, processing and use of the protective film. In addition, during the dust removal process, the electric telescopic rod 9 drives the dust suction disk 18 to rise and fall, and the driving mechanism drives the dust suction disk 18 to move back and forth, thereby expanding the dust removal working range, thereby improving the dust removal effect on the protective film.

[0039] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A dust removal device for producing bubble-free PET protective film, comprising a bottom plate (1), characterized in that: One end of the upper surface of the bottom plate (1) is fixedly connected to a protection box (2), a first guide roller (5) is provided at the bottom of the inner wall of the protection box (2), first openings (6) are provided on both sides of the protection box (2), and static elimination rods (4) are fixedly connected to both sides of the top of the inner wall of the protection box (2); A dust removal box (3) is fixedly connected to the upper surface of the base plate (1), and second openings (8) are provided on both end surfaces of the dust removal box (3). An electric telescopic rod (9) is vertically fixedly connected to the top of the inner wall of the dust removal box (3), and a storage box (10) is laterally fixedly connected to the bottom end of the electric telescopic rod (9). A dust suction disc (18) that can move in a horizontal direction is provided at the bottom of the storage box (10) through a driving mechanism, and a dust suction mechanism that is connected to the dust suction disc (18) is fixedly connected to the top of the dust removal box (3).

2. The dust removal device for producing bubble-free PET protective film according to claim 1, characterized in that: The driving mechanism comprises a threaded rod (13), the threaded rod (13) being rotatably connected to the inner cavity of the containing box (10), the surface of the threaded rod (13) being threadedly connected to a threaded sleeve (16), the bottom of the threaded sleeve (16) being fixedly connected to a connecting block (17), the bottom of the connecting block (17) being able to movably extend to the outside of the containing box (10) and being fixedly connected to the upper surface of the dust collecting disc (18).

3. The dust removal device for producing bubble-free PET protective film according to claim 2, characterized in that: One end of the top of the containing box (10) is fixedly connected to a housing (11), the inner cavity of the housing (11) is vertically fixedly connected to a motor (12), the output shaft of the motor (12) is rotatably extended to the inner cavity of the containing box (10) and is fixedly connected to a first bevel gear (14), and one end of the surface of the threaded rod (13) is fixedly connected to a second bevel gear (15) meshing with the first bevel gear (14).

4. The dust removal device for producing bubble-free PET protective film according to claim 2, characterized in that: A guide opening for the connection block (17) to move is transversely opened at the bottom of the containing box (10).

5. The dust removal device for producing bubble-free PET protective film according to claim 1, characterized in that: The dust suction mechanism comprises a protective box (20), the protective box (20) is fixedly connected to the top of the dust removal box (3), the inner cavity of the protective box (20) is provided with a dust suction fan (21), the air inlet of the protective box (20) is connected to the dust suction disc (18) through a connecting hose (19), the air outlet of the dust suction fan (21) is connected to an exhaust pipe (22), and the other end of the exhaust pipe (22) extends to the outside of the protective box (20).

6. The dust removal device for producing bubble-free PET protective film according to claim 1, characterized in that: A plurality of second guide rollers (7) are arranged at the bottom of the inner wall of the dust removal box (3).

7. The dust removal device for producing bubble-free PET protective film according to claim 1, characterized in that: The surfaces of the protection box (2) and the dust removal box (3) are both detachably connected with inspection box doors via a plurality of bolts.

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