PU protective film surface dust sticking device

Abstract

The utility model discloses a PU (polyurethane) protective film surface dust sticking device which comprises a dust hood, a connecting roller is mounted in the dust hood, a guide wheel is mounted in the dust hood, the guide wheel is rotationally connected with the dust hood through a connecting shaft, and a dust sticking belt is mounted on the guide wheel and the connecting roller; a square connecting pipeline is arranged at the top of the dust collection cover, a square connecting bent pipe is inserted into the top of the square connecting pipeline, an L-shaped mounting plate is mounted at the bottom of the square connecting bent pipe, a first screw rod is mounted between the L-shaped mounting plate and the square connecting bent pipe, a sliding frame is connected to the first screw rod, and the sliding frame is fixedly connected with the outer wall of the top of the square connecting pipeline; the top opening of the square connecting bent pipe is slidably connected with a dust collection pipeline, the opening of the dust collection pipeline is provided with a mounting cover, the mounting cover and the square connecting bent pipe are connected through a moving assembly, dust collection treatment can be effectively and conveniently carried out on impurities adhering to the PU protective film, and therefore machining treatment of the PU protective film can be conveniently carried out.

Description

Technical Field

[0001] The utility model relates to the field of PU protective film processing, in particular to a PU protective film surface dust sticking device. Background Art

[0002] PU protective film is a functional protective film made of transparent PET film as the base material, polyurethane glue coated on one side, and a release film attached to the back. PU protective film is a functional protective film made of transparent PET film as the base material, polyurethane glue coated on one side, and a release film attached to the back. It is mainly used for high-temperature process protection of LCD panels and shipping protection of glass panels.

[0003] During the processing of the current PU protective film, a surface dust sticking device is required to remove dust from the surface of the PU protective film. However, during the use of the current PU protective film surface dust sticking device, it is very inconvenient to clean the dust impurities, which affects the use of the device. Utility Model Content

[0004] The purpose of the utility model is to provide a PU protective film surface dust sticking device to solve the problems raised in the above background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A dust sticking device for the surface of a PU protective film comprises a dust hood, connecting rollers are rotatably installed at both ends of the dust hood, three guide wheels are triangularly installed inside the dust hood, the guide wheels are rotatably connected to the dust hood through a connecting shaft, a first motor is fixedly installed on the outer wall of the dust hood, the output shaft of the first motor is connected to the connecting shaft at one end, and a dust sticking belt is installed on the guide wheel and the connecting roller; a square connecting pipe is arranged on the top of the dust hood, a square connecting elbow is inserted at the top opening of the square connecting pipe, an L-shaped mounting plate is fixedly installed on the outer wall of the bottom of the square connecting elbow, a first screw is rotatably installed between the L-shaped mounting plate and the square connecting elbow, a driving assembly for driving the first screw to rotate is installed on the L-shaped mounting plate, a sliding frame is threadedly connected to the first screw, the sliding frame is slidably connected to the L-shaped mounting plate, and the sliding frame is fixedly connected to the outer wall of the top of the square connecting pipe; a dust suction pipe is slidably connected to the top opening of the square connecting elbow, a mounting cover is arranged at the opening of the dust suction pipe, and the mounting cover and the square connecting elbow are connected by a moving assembly.

[0007] As an improvement to the present utility model: the driving assembly includes a second motor fixedly connected to the L-shaped mounting plate, a first bevel gear is installed on the motor shaft of the second motor, a second bevel gear is meshingly connected to the first bevel gear, and the second bevel gear is connected to the first screw for driving the first screw to rotate.

[0008] As an improvement of the present invention: the four corners of the installation cover are provided with installation holes, so as to facilitate the quick installation of the device and the dust collection equipment.

[0009] As an improvement scheme of the utility model: the moving component includes a fixing frame fixedly mounted on the mounting cover, a third motor is fixedly mounted on the fixing frame, a second screw is mounted on the motor shaft of the third motor, the second screw is connected to the slider, and the bottom of the slider is connected to the square connecting elbow for adjusting the orientation of the square connecting elbow.

[0010] As an improved solution of the present invention: a limit block is provided at the end of the second screw rod to protect the smooth movement of the slider.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows: the utility model drives the square connecting elbow to move horizontally and adjust its azimuth on the dust collection pipe through a moving component, drives the first screw to rotate through a first driving component, drives the threaded sliding frame to move, and drives the square connecting pipe to adjust its height, thereby realizing the azimuth adjustment of the applicability of the dust collection hood; the utility model works through a first motor, the first motor drives the connecting shaft to drive the guide wheel to rotate, the guide wheel drives the sticky belt to rotate and move, the sticky belt realizes dust adhesion treatment of the dust on the surface of the PU protective film, and the impurities generated by the dust adhesion are adsorbed through the dust collection hood, the square connecting pipe, the square connecting elbow and the dust collection pipe, thereby ensuring the cleanliness of the surface of the PU protective film, and facilitating the use of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a left-side overall structural schematic diagram of the utility model;

[0013] Figure 2 It is a right-side overall structural schematic diagram of the utility model;

[0014] Figure 3 It is a left side sectional view of the utility model;

[0015] Figure 4 It is a right side sectional view of the utility model.

[0016] In the figure: 1. dust hood; 2. connecting roller; 3. sticky tape; 4. guide wheel; 5. connecting shaft; 6. first motor; 7. square connecting pipe; 8. square connecting elbow; 9. L-shaped mounting plate; 10. first screw; 11. second motor; 12. first bevel gear; 13. second bevel gear; 14. sliding frame; 15. T-shaped guide rail; 16. T-shaped guide groove; 17. dust duct; 18. mounting hood; 19. mounting hole; 20. fixing frame; 21. third motor; 22. second screw; 23. limit block; 24. slider. DETAILED DESCRIPTION

[0017] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

[0018] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying 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 direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first", "second", etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the present invention, unless otherwise specified, "multiple" means two or more.

[0019] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" 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 an indirect connection through an intermediate medium, or it can be the internal connection of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

[0020] The present invention will be described in detail below with reference to the accompanying drawings and in combination with embodiments.

[0021] Example 1

[0022] See also Figures 1 to 4In an embodiment of the utility model, a dust-sticking device for the surface of a PU protective film comprises a dust hood 1, connecting rollers 2 are rotatably installed at both ends of the dust hood 1, three guide wheels 4 are triangularly installed inside the dust hood 1, and the guide wheels 4 are rotatably connected to the dust hood 1 through a connecting shaft 5. A first motor 6 is fixedly installed on the outer wall of the dust hood 1, and the output shaft of the first motor 6 is connected to the connecting shaft 5 at one end. A dust-sticking belt 3 is installed on the guide wheel 4 and the connecting roller 2. When the first motor 6 works, the first motor 6 drives the connecting shaft 5 to drive the guide wheel 4 to rotate, and the guide wheel 4 drives the dust-sticking belt 3 to rotate. The dust-sticking belt 3 realizes dust-sticking treatment on the surface of the PU protective film, thereby ensuring the cleanliness of the surface of the PU protective film.

[0023] A square connecting pipe 7 is provided on the top of the dust hood 1, and a square connecting elbow 8 is inserted at the top opening of the square connecting pipe 7, and an L-shaped mounting plate 9 is fixedly installed on the outer wall of the bottom of the square connecting elbow 8, and a first screw 10 is rotatably installed between the L-shaped mounting plate 9 and the square connecting elbow 8, and a driving component for driving the first screw 10 to rotate is installed on the L-shaped mounting plate 9, and a sliding frame 14 is threadedly connected to the first screw 10, and the sliding frame 14 is slidably connected to the L-shaped mounting plate 9, and the sliding frame 14 is fixedly connected to the outer wall of the top of the square connecting pipe 7, and the first screw 10 is driven to rotate by the driving component, and the first screw 10 drives the threaded sliding frame 14 to move up and down under the guidance of the L-shaped mounting plate 9. During the movement of the sliding frame 14, the sliding frame 14 drives the square connecting pipe 7 to move up and down on the square connecting elbow 8 for height adjustment, thereby realizing the adjustment of the orientation of the dust hood 1, and facilitating the dust sticking treatment on the surface of the PU protective film.

[0024] The driving assembly includes a second motor 11 fixedly connected to the L-shaped mounting plate 9, a first bevel gear 12 is installed on the motor shaft of the second motor 11, a second bevel gear 13 is meshedly connected to the first bevel gear 12, the second bevel gear 13 is connected to the first screw 10, and the second motor 11 works to drive the first bevel gear 12 to rotate, the first bevel gear 12 drives the meshed second bevel gear 13 to rotate, and the second bevel gear 13 can drive the first screw 10 to rotate synchronously.

[0025] The top opening of the square connecting elbow 8 is slidably connected with a dust collection pipe 17, and a mounting cover 18 is provided at the opening of the dust collection pipe 17. The mounting cover 18 is connected to the square connecting elbow 8 through a moving component, and the moving component drives the square connecting elbow 8 to slide horizontally on the dust collection pipe 17, so that the orientation of the square connecting elbow 8 can be adjusted, which facilitates the adjustment of the moving orientation of the dust-binding device.

[0026] The four corners of the mounting cover 18 are provided with mounting holes 19. The arrangement of the mounting holes 19 can facilitate the conductive connection between the mounting cover 18 and the dust collection box, so as to realize dust collection of sticky impurities.

[0027] The moving assembly includes a fixing frame 20 fixedly mounted on the mounting cover 18, a third motor 21 is fixedly mounted on the fixing frame 20, a second screw 22 is mounted on the motor shaft of the third motor 21, the second screw 22 is connected to a slider 24, the bottom of the slider 24 is connected to the square connecting elbow 8, the third motor 21 works, the third motor 21 drives the second screw 22 to rotate, the second screw 22 drives the threaded slider 24 to move, and the slider 24 drives the square connecting elbow 8 to move horizontally and adjust its azimuth.

[0028] A limiting block 23 is disposed at the end of the second screw rod 22 . The limiting block 23 can limit the slider 24 threadedly connected to the second screw rod 22 , thereby ensuring smooth movement of the slider 24 .

[0029] Example 2

[0030] In another embodiment of the utility model, the difference between this embodiment and the above embodiment is that the square connecting elbow 8 and the square connecting pipe 7 are slidably connected through a guide assembly, and the guide assembly includes a T-shaped guide rail 15 fixedly installed at the four corners of the outer wall of the square connecting elbow 8, and the four corners of the inner wall of the square connecting pipe 7 are provided with a T-shaped guide groove 16. The T-shaped guide rail 15 is slidably arranged inside the T-shaped guide groove 16. When the square connecting pipe 7 moves up and down, the T-shaped guide groove 16 moves on the T-shaped guide rail 15, thereby ensuring the smooth movement of the square connecting pipe 7.

[0031] The working principle of the utility model is as follows: the utility model connects the dust sticking device with the dust collecting device through the mounting hole 19, works through the third motor 21, the third motor 21 drives the second screw 22 to rotate, the second screw 22 drives the threaded slider 24 to move, the slider 24 drives the square connecting elbow 8 to move horizontally and adjust the azimuth, the first bevel gear 12 is driven by the second motor 11 to drive the meshing second bevel gear 13 to rotate, the second bevel gear 13 drives the first screw 10 to rotate, and the first screw 10 drives the threaded sliding frame 14 to move The sliding frame 14 drives the square connecting pipe 7 and the dust hood 1 to move and adjust the height, so that the sticky belt 3 can be brought into contact with the surface of the PU protective film. The connecting shaft 5 is driven by the first motor 6 to drive the guide wheel 4 to rotate, and the guide wheel 4 drives the sticky belt 3 to rotate. The sticky belt 3 implements dust sticking treatment on the surface of the PU protective film. The dust adhered to the surface of the sticky belt 3 is sucked into the connected dust collection equipment through the dust hood 1, the square connecting pipe 7, the square connecting elbow 8 and the dust collection pipe 17, thereby facilitating the dust sticking treatment of the PU protective film.

[0032] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A dust-binding device for a PU protective film surface, characterized in that: It comprises a dust hood (1), wherein connecting rollers (2) are rotatably mounted at both ends of the interior of the dust hood (1), and three guide wheels (4) are triangularly mounted inside the dust hood (1), and the guide wheels (4) are rotatably connected to the dust hood (1) via a connecting shaft (5); A first motor (6) is fixedly mounted on the outer wall of the dust hood (1), an output shaft of the first motor (6) is connected to a connecting shaft (5) at one end, and a dust sticking belt (3) is mounted on the guide wheel (4) and the connecting roller (2); The top of the dust hood (1) is provided with a square connecting pipe (7), the top opening of the square connecting pipe (7) is plugged with a square connecting elbow (8), an L-shaped mounting plate (9) is fixedly mounted on the bottom outer wall of the square connecting elbow (8), a first screw rod (10) is rotatably mounted between the L-shaped mounting plate (9) and the square connecting elbow (8), and a driving assembly for driving the first screw rod (10) to rotate is mounted on the L-shaped mounting plate (9); The first screw rod (10) is threadedly connected with a sliding frame (14), the sliding frame (14) is slidably connected to the L-shaped mounting plate (9), and the sliding frame (14) is fixedly connected to the top outer wall of the square connecting pipe (7); A dust collection pipe (17) is slidably connected to the top opening of the square connecting elbow (8), and a mounting cover (18) is provided at the opening of the dust collection pipe (17). The mounting cover (18) and the square connecting elbow (8) are connected via a moving component.

2. A PU protective film surface dust sticking device according to claim 1, characterized in that: The driving assembly comprises a second motor (11) fixedly connected to the L-shaped mounting plate (9); a first bevel gear (12) is mounted on the motor shaft of the second motor (11); a second bevel gear (13) is meshedly connected to the first bevel gear (12); and the second bevel gear (13) is connected to the first screw rod (10).

3. A PU protective film surface dust sticking device according to claim 1, characterized in that: The four corners of the mounting cover (18) are provided with mounting holes (19).

4. A PU protective film surface dust trapping device according to claim 1, characterized in that: The moving assembly comprises a fixing frame (20) fixedly mounted on the mounting cover (18), a third motor (21) being fixedly mounted on the fixing frame (20), a second screw rod (22) being mounted on the motor shaft of the third motor (21), the second screw rod (22) being connected to a slider (24), and the bottom of the slider (24) being connected to a square connecting elbow (8).

5. A PU protective film surface dust trapping device according to claim 4, characterized in that: A limiting block (23) is provided at the end of the second screw rod (22).

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