Optical film solidified shading structure

Abstract

The utility model discloses an optical film curing shading structure, which relates to the field of optical film technology, including a frame, a lifting frame is arranged at the middle position inside the frame, and a lifting mechanism is arranged on the lifting frame, a center hole is opened at the middle position of the lifting frame, and a device frame is fixedly installed on the inner wall of the center hole, a mounting hole is opened at the middle position of the top of the device frame, and an ultraviolet light emitting device is fixedly installed on the inner wall of the mounting hole, a plurality of rows of light-transmitting holes with equal distances and annular distribution are opened at the bottom of the device frame, and a limiting groove with equal distances and annular distribution is opened at the bottom of the lifting frame. The utility model enables the entire shading structure to completely cover the optical film, prevents the problem of ultraviolet light overflow, ensures the shading effect of the entire shading structure, and realizes the curing shading operation of optical films of different sizes, thereby improving the shading range.

Description

Technical Field

[0001] The utility model relates to the technical field of optical films, in particular to an optical film solidification shading structure. Background Art

[0002] UV curing is a process in which the photoinitiator in the liquid UV material is stimulated to become a free radical or cation under UV radiation, thereby initiating the polymerization of the polymer material containing active functional groups into an insoluble and infusible solid coating. UV curing technology is widely used in the production process of optical films, that is, film structures with different optical properties are composited on the base film by UV curing. At present, during the curing process of optical films, due to the certain distance between the base film and the ultraviolet light, it is easy to cause ultraviolet light overflow, causing certain light pollution to the surrounding environment.

[0003] After searching, the patent with publication number CN219968585U discloses an ultraviolet light shading structure in a composite film curing process, including: a base, a mounting hole is opened through the bottom of the base, and a limiting groove is opened on the top of the base; a height adjustment component, at least partially arranged in the limiting groove; a shading adjustment component, arranged on the lower side of the top of the height adjustment component; a shading component, arranged on the shading adjustment component away from the bottom of the height adjustment component, and a fixing component is arranged between the shading component and the shading adjustment component, and the fixing component can fix the shading component to the bottom of the shading adjustment component.

[0004] In combination with the above patents, it is found that the prior art has the following shortcomings: for circular optical films, the shading structure of the prior art cannot completely cover optical films of different sizes, and cannot completely wrap the periphery of the optical film. Ultraviolet light can overflow from the direction where there is no shading, resulting in poor shading effect. Therefore, it is urgent to design an optical film curing shading structure to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to solve the shortcomings of the prior art and propose an optical film curing shading structure. Its advantages are that the entire shading structure can completely cover the optical film to prevent the problem of ultraviolet light spillover, and it is convenient to cover the entire shading structure on optical films of different sizes, so as to realize the curing shading operation of optical films of different sizes and improve the shading range.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] An optical film curing shading structure comprises a frame, a lifting frame is arranged at the middle position inside the frame, and a lifting mechanism is arranged on the lifting frame, a center hole is opened at the middle position of the lifting frame, and an equipment frame is fixedly installed on the inner wall of the center hole, a mounting hole is opened at the middle position of the top of the equipment frame, and an ultraviolet light emitting device is fixedly installed on the inner wall of the mounting hole, a plurality of rows of light-transmitting holes distributed in an annular shape with equal distances are opened at the bottom of the equipment frame, limiting grooves distributed in an annular shape with equal distances are opened at the bottom of the lifting frame, and L-shaped rack plates are slidably arranged on the inner walls of the limiting grooves, and L-shaped rack plates are arranged between the L-shaped rack plates. Extension assembly, a movable plate is fixedly installed at the bottom of the L-shaped rack plate, and the same arc-shaped corrugated square tube is fixedly installed between two adjacent movable plates, the movable plate is designed to be in an arc shape, and the movable plate and the arc-shaped corrugated square tube form a cylindrical shape, a sealing gasket is fixedly installed at the bottom of the movable plate, and the sealing gasket and the arc-shaped corrugated square tube are both made of soft rubber, the bottom of the sealing gasket is flush with the bottom of the arc-shaped corrugated square tube, the top of the arc-shaped corrugated square tube and the top of the movable plate are both fitted with the bottom surface of the lifting frame, a sealing plate is fixedly installed on the top of the outer wall on one side of the movable plate, and the sealing plate is fitted to the bottom of the limit groove.

[0008] Through the above technical solution: the entire shading structure can be completely covered on the optical film, preventing the problem of ultraviolet light overflow, avoiding ultraviolet light from causing certain light pollution to the surrounding environment, and ensuring the shading effect of the entire shading structure.

[0009] The utility model is further configured that the light-transmitting holes located at the outside are designed to be inclined, and the light-transmitting holes located in the middle area are designed to be vertical, and the inclination of the light-transmitting holes gradually increases from the inside to the outside.

[0010] Through the above technical solution: the radiation area of ​​ultraviolet light is expanded, so that the ultraviolet light can be fully radiated on the optical film.

[0011] The utility model is further configured such that the extension assembly includes a gear column equidistantly rotated on the inner wall of the lifting frame, and the bottom of the outer wall of the gear column is meshed with one side of the L-shaped rack plate, a bearing sleeve is fixedly installed on the top inner wall of the lifting frame, and a gear ring is fixedly installed on the inner wall of the bearing sleeve, the inner wall of the gear ring is meshed with the top of the outer wall of the gear column, and a forward and reverse motor for driving the gear column and the gear ring to rotate is fixedly installed on the top of the lifting frame.

[0012] Through the above technical solution: it is convenient to cover the entire shading structure on optical films of different sizes, thereby increasing the shading range.

[0013] The utility model is further configured such that the lifting mechanism includes an electric push rod fixedly mounted on the top of the lifting frame, and a door-shaped frame is fixedly mounted on the piston end of the electric push rod, and mounting frames are fixedly mounted between the two ends of the bottom of the door-shaped frame and the two sides of the circumferential outer wall of the lifting frame respectively, a plurality of guide grooves are formed on the outer walls on both sides of the frame, and a guide block inserted in the guide groove is fixedly mounted on the outer wall on one side of the mounting frame.

[0014] Through the above technical scheme: ultraviolet light is brought close to the base film of the optical film, and the movable plate and the arc-shaped corrugated square tube can be wrapped on the optical film.

[0015] The beneficial effects of the utility model are:

[0016] The utility model forms a shading structure for curing an optical diaphragm by cooperating with a lifting mechanism, a lifting frame, a movable plate, an arc-shaped corrugated square tube, a sealing gasket, an ultraviolet light emitting device and a sealing plate. Under the action of the lifting mechanism, the cylindrical movable plate and the arc-shaped corrugated square tube can be wrapped around the optical diaphragm, so that the entire shading structure can completely cover the optical diaphragm, prevent the problem of ultraviolet light overflow, avoid certain light pollution of the surrounding environment by ultraviolet light, and ensure the shading effect of the entire shading structure.

[0017] The utility model, through the cooperation of the lifting frame, the limit groove, the L-shaped rack plate, the movable plate, the arc-shaped corrugated square tube and the extension component, can drive the L-shaped rack plate to move in the limit groove under the adjustment action of the extension component, change the diameters of the cylindrical movable plate and the arc-shaped corrugated square tube, and facilitate covering the entire shading structure on optical films of different sizes, realize the curing shading operation of optical films of different sizes, and improve the shading range. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the overall structure of an optical film solidification shading structure proposed by the utility model;

[0019] Figure 2 This is a front cross-sectional view of an optical film solidification shading structure proposed by the utility model;

[0020] Figure 3 A schematic diagram of a lifting frame and a forward and reverse motor structure of an optical film curing shading structure proposed by the utility model;

[0021] Figure 4 A bottom view of an arc-shaped corrugated square tube and a device frame of an optical film solidification shading structure proposed by the utility model;

[0022] Figure 5 A schematic diagram of a sealing plate and a central hole structure of an optical film curing shading structure proposed by the utility model;

[0023] Figure 6 This is a schematic diagram of the gear ring and gear column structure of an optical film curing shading structure proposed by the utility model.

[0024] In the figure: 1. frame; 2. guide groove; 3. electric push rod; 4. lifting frame; 5. installation frame; 6. movable plate; 7. arc-shaped corrugated square tube; 8. sealing gasket; 9. equipment frame; 10. ultraviolet light emitting device; 11. light-transmitting hole; 12. door frame; 13. forward and reverse motor; 14. guide block; 15. sealing plate; 16. center hole; 17. limit groove; 18. bearing sleeve; 19. gear ring; 20. L-shaped rack plate; 21. gear column. DETAILED DESCRIPTION

[0025] The technical solution of this patent is further described in detail below in conjunction with specific implementation methods.

[0026] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0027] In the description of this patent, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing this patent and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on this patent.

[0028] In the description of this patent, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", and "set" should be understood in a broad sense, for example, it can be fixedly connected or set, or it can be detachably connected or set, or connected or set in one piece. For ordinary technicians in this field, the specific meanings of the above terms in this patent can be understood according to specific circumstances.

[0029] Reference Figure 1-Figure 6, an optical film curing shading structure, comprising a frame 1, a lifting frame 4 is arranged at the middle position inside the frame 1, and a lifting mechanism is arranged on the lifting frame 4, a center hole 16 is opened at the middle position of the lifting frame 4, and a device frame 9 is fixedly installed on the inner wall of the center hole 16, a mounting hole is opened at the middle position of the top of the device frame 9, and a UV light emitting device 10 is fixedly installed on the inner wall of the mounting hole, a plurality of rows of light-transmitting holes 11 equidistantly distributed in an annular pattern are opened at the bottom of the device frame 9, a limiting groove 17 equidistantly distributed in an annular pattern is opened at the bottom of the lifting frame 4, and an L-shaped rack plate 20 is slidably arranged on the inner wall of the limiting groove 17, an extension component is arranged between the L-shaped rack plates 20, a movable plate 6 is fixedly installed on the bottom of the L-shaped rack plates 20, and the same arc wave is fixedly installed between two adjacent movable plates 6. The movable plate 6 is designed to be in an arc shape, and the movable plate 6 and the arc-shaped corrugated square tube 7 form a cylindrical shape. A sealing gasket 8 is fixedly installed at the bottom of the movable plate 6, and the sealing gasket 8 and the arc-shaped corrugated square tube 7 are both made of soft rubber. The bottom of the sealing gasket 8 is flush with the bottom of the arc-shaped corrugated square tube 7, and the top of the arc-shaped corrugated square tube 7 and the top of the movable plate 6 are both in contact with the bottom surface of the lifting frame 4. A sealing plate 15 is fixedly installed on the top of the outer wall of one side of the movable plate 6, and the sealing plate 15 is in contact with the bottom of the limiting groove 17, and the cylindrical movable plate 6 and the arc-shaped corrugated square tube 7 are wrapped around the optical diaphragm, so that the entire shading structure can be completely covered on the optical diaphragm, to prevent the problem of ultraviolet light overflow, to avoid certain light pollution of the surrounding environment by ultraviolet light, and to ensure the shading effect of the entire shading structure.

[0030] In order to fully radiate the ultraviolet light on the optical film, refer to Figure 2 The light-transmitting holes 11 located on the outside are designed to be inclined, and the light-transmitting holes 11 located in the middle area are designed to be vertical. The inclination of the light-transmitting holes 11 gradually increases from the inside to the outside. The inclined light-transmitting holes 11 can expand the radiation area of ​​the ultraviolet light, thereby facilitating the ultraviolet light to be fully radiated on the optical film.

[0031] In order to shield the curing process of optical films of different sizes, refer to Figure 2 , Figure 3 and Figure 5The stretching assembly includes a gear column 21 equidistantly rotated and arranged on the inner wall of the lifting frame 4, and the bottom of the outer wall of the gear column 21 is meshed with one side of the L-shaped rack plate 20. A bearing sleeve 18 is fixedly installed on the top inner wall of the lifting frame 4, and a gear ring 19 is fixedly installed on the inner wall of the bearing sleeve 18. The inner wall of the gear ring 19 is meshed with the top of the outer wall of the gear column 21. A forward and reverse motor 13 for driving the gear column 21 and the gear ring 19 to rotate is fixedly installed on the top of the lifting frame 4. The gear ring 19 and the gear column 21 are driven to rotate by the forward and reverse motor 13, and the meshing action of the gear column 21 and the L-shaped rack plate 20 is used to drive the movable plate 6 to move, and the diameters of the cylindrical movable plate 6 and the arc-shaped corrugated square tube 7 are changed, so as to cover the entire shading structure on optical films of different sizes.

[0032] In order to bring the UV light closer to the optical film base film, refer to Figure 1 , Figure 2 and Figure 3 The lifting mechanism includes an electric push rod 3 fixedly mounted on the top of the lifting frame 4, and a door frame 12 is fixedly mounted on the piston end of the electric push rod 3, and mounting frames 5 are fixedly mounted between the two ends of the bottom of the door frame 12 and the two sides of the circumferential outer wall of the lifting frame 4, and multiple guide grooves 2 are opened on the outer walls of both sides of the frame 1, and a guide block 14 inserted in the guide groove 2 is fixed on the outer wall of one side of the mounting frame 5. The electric push rod 3 in the lifting mechanism is used to adjust the height of the door frame 12, the mounting frame 5 and the lifting frame 4 as well as the movable plate 6 and the arc-shaped corrugated square tube 7, so that the ultraviolet light is close to the base film of the optical film, and the movable plate 6 and the arc-shaped corrugated square tube 7 can be wrapped on the optical film.

[0033] Working principle: When in use, the user installs the entire shading structure on the optical film curing workbench, and uses the electric push rod 3 in the lifting mechanism to adjust the height of the door frame 12, the installation frame 5 and the lifting frame 4 as well as the movable plate 6 and the arc-shaped corrugated square tube 7, and wraps the cylindrical movable plate 6 and the arc-shaped corrugated square tube 7 around the optical film, so that the entire shading structure can completely cover the optical film to prevent the problem of ultraviolet light overflow, and then the ultraviolet light emitting device 10 and the light-transmitting hole 11 are used to perform ultraviolet light curing operations on the optical film. When optical films of different sizes are cured and shaded, the forward and reverse motor 13 in the extension component drives the gear ring 19 and the tooth column 21 to rotate, and the meshing action of the tooth column 21 and the L-shaped rack plate 20 drives the movable plate 6 to move, and the diameters of the cylindrical movable plate 6 and the arc-shaped corrugated square tube 7 are changed, so that the entire shading structure can be covered on optical films of different sizes.

[0034] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An optical film curing shading structure, comprising a frame (1), characterized in that: A lifting frame (4) is provided at the middle position of the interior of the frame (1), and a lifting mechanism is provided on the lifting frame (4); a center hole (16) is provided at the middle position of the lifting frame (4), and a device frame (9) is fixedly installed on the inner wall of the center hole (16); a mounting hole is provided at the middle position of the top of the device frame (9), and a UV light emitting device (10) is fixedly installed on the inner wall of the mounting hole; a plurality of rows of light-transmitting holes (11) are provided at the bottom of the device frame (9) and are distributed in an annular pattern at equal distances; limiting grooves (17) are provided at the bottom of the lifting frame (4) and are distributed in an annular pattern at equal distances; L-shaped rack plates (20) are slidably provided on the inner walls of the limiting grooves (17); extension components are provided between the L-shaped rack plates (20); movable plates (6) are fixedly installed at the bottom of the L-shaped rack plates (20), and the same arc-shaped corrugated square tube (7) is fixedly installed between two adjacent movable plates (6).

2. The optical film curing shading structure according to claim 1, characterized in that: The movable plate (6) is designed to be in an arc shape, and the movable plate (6) and the arc-shaped corrugated square tube (7) form a cylindrical shape.

3. The optical film solidification shading structure according to claim 2, characterized in that: A sealing gasket (8) is fixedly mounted on the bottom of the movable plate (6), the bottom of the sealing gasket (8) is flush with the bottom of the arc-shaped corrugated square tube (7), and the top of the arc-shaped corrugated square tube (7) and the top of the movable plate (6) are both in contact with the bottom surface of the lifting frame (4).

4. The optical film solidification shading structure according to claim 3, characterized in that: A sealing plate (15) is fixedly mounted on the top of the outer wall of one side of the movable plate (6), and the sealing plate (15) is fitted on the bottom of the limiting groove (17).

5. The optical film solidification shading structure according to claim 1, characterized in that: The light-transmitting holes (11) located on the outside are designed to be inclined, and the light-transmitting holes (11) located in the middle area are designed to be vertical, and the inclination of the light-transmitting holes (11) gradually increases from the inside to the outside.

6. The optical film solidification shading structure according to claim 1, characterized in that: The extension assembly comprises a tooth column (21) rotatably arranged at equal distances on the inner wall of the lifting frame (4), and the bottom of the outer wall of the tooth column (21) meshes with one side of the L-shaped rack plate (20), a bearing sleeve (18) is fixedly mounted on the inner wall of the top of the lifting frame (4), and a gear ring (19) is fixedly mounted on the inner wall of the bearing sleeve (18), the inner wall of the gear ring (19) meshes with the top of the outer wall of the tooth column (21), and a forward and reverse motor (13) for driving the tooth column (21) and the gear ring (19) to rotate is fixedly mounted on the top of the lifting frame (4).

7. The optical film solidification shading structure according to claim 1, characterized in that: The lifting mechanism comprises an electric push rod (3) fixedly mounted on the top of the lifting frame (4), a door frame (12) fixedly mounted on the piston end of the electric push rod (3), and a mounting frame (5) fixedly mounted between the two ends of the bottom of the door frame (12) and the two sides of the circumferential outer wall of the lifting frame (4).

8. The optical film solidification shading structure according to claim 7, characterized in that: The outer walls on both sides of the frame (1) are provided with a plurality of guide grooves (2), and the outer wall on one side of the installation frame (5) is fixed with a guide block (14) inserted into the guide groove (2).

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