Special vacuum coating machine for optical lens

Abstract

The utility model discloses a special vacuum coating machine for optical lenses, which relates to the technical field of special vacuum coating machines for optical lenses and comprises a vacuum case, four corners of the bottom of the vacuum case are fixedly connected with support legs, the top of the vacuum case is provided with a group of electronic gun coating machine bodies, and a connecting rod penetrates through the top of the vacuum case. And the bottom of the connecting rod is rotationally connected with a movable rod. A to-be-coated lens can be placed in the clamping groove in the surface of the fixed block to be preliminarily fixed, then the distance between the movable block and the lens is adjusted through the first motor, the threaded rod and the sliding block, when the cleaning cloth makes contact with the lens, the movable rod and the fixed block are driven to rotate, the surface of the lens can be wiped through the cleaning cloth, and the lens can be conveniently cleaned. And dust on the surface of the lens can be cleaned through a first cavity and a dust suction opening in the movable block, so that the dust and impurities on the surface of the lens are effectively removed, the coating quality and uniformity are improved, and the working efficiency is conveniently improved.

Description

Technical Field

[0001] The utility model relates to the technical field of vacuum coating machines dedicated to optical lenses, in particular to a vacuum coating machine dedicated to optical lenses. Background Art

[0002] An optical lens is a device that uses optical principles to transform the image of an object. It can transform light according to optical principles and transmit the image of the object to the human eye or imaging device. Its working principle mainly relies on the principles of refraction and reflection. It changes the propagation direction and path of light through the refraction phenomenon at the boundary of materials with different refractive indices and the reflection of light, thereby achieving control and regulation of light. Optical lens is an important optical component and is widely used in various optical instruments and equipment.

[0003] In order to improve the transmittance of optical lenses, reduce reflection and glare, and protect against ultraviolet rays and other harmful radiation, it is usually necessary to use a special vacuum coating machine for optical lenses to coat their surfaces. The principle of a special vacuum coating machine for optical lenses is to use the interference effect of light. When light is incident on a thin film coated with materials with different refractive indexes, it will produce some special optical properties. By coating one or more layers of thin film on the surface of the lens, the reflection and transmission characteristics of the light can be changed, thereby achieving effects such as increased transmittance, reduced reflection, and color separation.

[0004] Currently, when coating optical lenses, it is necessary to first load the lenses onto the fixture in the working chamber of the coating machine to ensure that the lenses are stable and in the correct position. Then, the chamber is vacuumed. After the vacuum reaches a predetermined value, the coating is started by the electron gun coating machine. When the lens reaches a predetermined film thickness or the coating time is over, the electron gun coating machine is turned off to complete the coating of the lens.

[0005] However, when coating optical lenses, they are usually aligned and cleaned centrally outside the vacuum device, and then placed into the vacuum machine one by one. However, during the placement process, dust and other substances are easily re-adsorbed on their surfaces, which affects the effect of optical lens coating and reduces work efficiency. Utility Model Content

[0006] Based on this, the purpose of the present invention is to provide a vacuum coating machine dedicated to optical lenses to solve the technical problem that when coating optical lenses, they are usually aligned on the outside of the vacuum device for centralized cleaning, and then placed into the vacuum machine one by one. However, during the placement process, dust and other substances are easily re-adsorbed on their surfaces, thereby affecting the coating effect of the optical lenses and reducing work efficiency.

[0007] To achieve the above-mentioned objectives, the utility model provides the following technical solutions: a vacuum coating machine for optical lenses, comprising a vacuum chassis, the four corners of the bottom of the vacuum chassis are fixedly connected to legs, a group of electron gun coating bodies are installed on the top of the vacuum chassis, a connecting rod passes through the top of the vacuum chassis, the bottom of the connecting rod is rotatably connected to a movable rod, and the bottom of the movable rod movably passes through the bottom of the vacuum chassis, the surface of the movable rod is fixedly connected to a fixed block, and the surface of the movable block is provided with a plurality of slots, the surface of the movable rod is provided with a driving structure, a slide groove is provided on one side of the vacuum chassis, and a slider that fits the slide groove is slidably connected in the slide groove, a threaded rod that fits the slider is rotatably connected in the slide groove, and the slider moves on the surface of the threaded rod, a movable block is fixedly connected to one side of the slider, a first cavity is provided in the movable block, a plurality of dust suction ports are provided at the bottom of the movable block, a group of cleaning cloths are movably connected to the surface of the movable block, and the dust suction port is located in the middle of a group of cleaning cloths.

[0008] By adopting the above technical solution, the lens to be coated can be placed in the card slot on the surface of the fixed block, and the card slot can be used to initially fix it. Then, the first motor is started to drive the threaded rod to rotate, so as to adjust the position of the slider, and the adjustment of the distance between the movable block and the lens can be achieved. Until the cleaning cloth contacts the lens, the movable rod and the fixed block are driven to rotate by the driving structure, and the surface of the lens can be wiped with the cleaning cloth to perform a preliminary cleaning. The first cavity and the dust suction port in the movable block can clean the dust on the surface of the lens again, thereby effectively removing dust and impurities on the surface of the lens in the vacuum chassis, thereby improving the coating quality and uniformity, and facilitating improving work efficiency.

[0009] The utility model is further configured such that a group of hook surfaces are provided on the surface of the movable block, and a side of each cleaning cloth close to the movable block is provided with a hairy surface engaged with the hook surfaces.

[0010] By adopting the above technical solution and the design of the hook surface and the fur surface, the cleaning cloth can be quickly replaced, so that it can better clean the lens surface and improve the effect of lens coating.

[0011] The utility model is further configured such that an airway is provided in the movable rod, and the bottom of the movable rod is rotatably connected to a pipeline, a second cavity connected to the airway is provided in the fixed block, and an air inlet is provided in each of the card slots.

[0012] By adopting the above technical solution, the movable rod can be connected to an external air pump device, and then suction is generated on the lens placed in the card slot through the air channel, the second cavity and the suction port, which can fix the position of the lens and facilitate better coating of the lens.

[0013] The utility model is further configured such that the driving structure includes a first helical gear, a second helical gear, a second motor and a second silencer box, the surface of the movable rod is fixedly connected to the first helical gear, and the surface of the first helical gear is meshed with the second helical gear, the second helical gear is connected to the output end of the second motor through a shaft, the second motor is installed in the second silencer box, and the second silencer box is fixedly connected to the bottom of the vacuum chassis.

[0014] By adopting the above technical solution, the motor is started, and the movable rod and the fixed block can be rotated through the second bevel gear and the first bevel gear, so that the lens placed on the fixed block can rotate synchronously, which facilitates more uniform coating of the lens, thereby improving the coating effect.

[0015] The utility model is further configured such that the bottom of the threaded rod movably passes through the bottom of the slide groove and extends to the outside to be connected to the output end of the first motor, the first motor is installed in a first silencer box, and the first silencer box is fixedly connected to one side of the vacuum chassis.

[0016] By adopting the above technical solution, the second motor is started to drive the threaded rod to rotate forward and reverse, which can drive the slider to move in the slide groove, thereby adjusting the distance between the movable block and the lens. Therefore, when the lens needs to be cleaned, the bottom of the movable block can be made close to the lens, and when the lens is coated, the movable block can be kept away from the lens to avoid affecting the working efficiency of the lens coating.

[0017] The present invention is further configured such that a connecting pipe is provided in the connecting rod, and the connecting pipe and the movable block are connected via a hose.

[0018] By adopting the above technical solution, the top of the connecting tube is connected to the external dust suction device, so that the dust on the surface of the lens can be cleaned through the connecting tube, the first cavity and the dust suction port, which can effectively remove dust and impurities on the surface of the lens, thereby improving the coating quality and uniformity. At the same time, the design of the hose can increase the flexibility of the movable block. When the threaded rod drives the movable block to move, the hose can avoid affecting its connection with the connecting tube, so the device can be better used.

[0019] The utility model is further configured such that a movable door is connected to the hinge on one side, the movable door and the vacuum chassis are fixed by a lock, a rubber layer is provided at the connection between the movable door and the vacuum chassis, and a visual window is provided on the movable door.

[0020] By adopting the above technical solution, the hinge connection between the box body and the movable door can facilitate the opening and closing of the box body, and the design of the rubber layer facilitates increasing the sealing of the connection between the two, preventing external air from entering the vacuum box and affecting the coating of the lens. At the same time, the design of the visual window allows the staff to observe the coating process from the outside of the vacuum box, which is convenient for timely discovery and resolution of problems.

[0021] In summary, the present invention has the following beneficial effects:

[0022] The utility model places the lens to be coated into the card groove on the surface of the fixed block to perform the preliminary fixing of the lens, and then adjusts the distance between the movable block and the lens by the first motor, the threaded rod and the slider until the cleaning cloth at the bottom of the movable block contacts the lens, and the driving structure drives the movable rod and the fixed block to rotate, so that the cleaning cloth can fully contact with multiple lenses, thereby wiping their surfaces and performing the preliminary cleaning function. The first cavity and the dust suction port in the movable block can clean the dust on the lens surface again, so as to effectively remove dust and impurities on the lens surface in the vacuum cabinet, thereby improving the coating quality and uniformity, and facilitating improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0024] Figure 2 This is a schematic diagram of the interior of the three-dimensional structure of the utility model;

[0025] Figure 3 It is a sectional view of the three-dimensional structure of the utility model;

[0026] Figure 4 This is a detailed diagram of the cleaning structure of the present utility model.

[0027] In the figure: 1. Vacuum chassis; 2. Support legs; 3. Movable door; 4. Lock; 5. Visual window; 6. Electron gun coating body; 7. Connecting rod; 8. Movable rod; 9. Fixed block; 10. Movable block; 11. First cavity; 12. Dust suction port; 13. Cleaning cloth; 14. Rough surface; 15. Hook surface; 16. Hose; 17. Slide; 18. Slider; 19. Threaded rod; 20. First motor; 21. First silencer; 22. Connecting pipe; 23. Second cavity; 24. Slot; 25. Air intake port; 26. Air duct; 27. First bevel gear; 28. Second bevel gear; 29. ​​Second motor; 30. Second silencer; 31. Pipeline. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. The embodiments described below with reference to the drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0029] The following describes an embodiment of the present invention based on its overall structure.

[0030] A vacuum coating machine for optical lenses, such as Figure 1-4 As shown, it includes a vacuum box 1, and legs 2 are fixedly connected to the four corners of the bottom of the vacuum box 1, which can increase the stability of the vacuum box 1. An electron gun coating body 6 is installed on the top of the vacuum box 1. Therefore, after the lens is placed inside the vacuum box 1 and the alignment and cleaning are completed, the electron gun coating body 6 can be started to accurately control the evaporation rate and coating thickness of the coating material to achieve high-quality and high-precision coating of the lens. The electron gun coating body 6 of the HCEB series and other models can be used here. At the same time, a hinge is provided on one side of the vacuum box 1. A movable door 3 is connected, and the movable door 3 and the vacuum chassis 1 are fixed by a lock 4, so that the movable door 3 can be quickly opened and closed, and a rubber layer is provided at the connection between the movable door 3 and the vacuum chassis 1, which increases the sealing of the connection between the movable door 3 and the vacuum chassis 1, and prevents the outside from entering the vacuum chassis 1 when the lens is vacuum-coated, thereby affecting the coating of the lens. A visual window 5 is provided on the movable door 3, so that the staff can observe the lens coating process through the visual window 5, so as to facilitate timely discovery and resolution of problems.

[0031] Then a connecting rod 7 is passed through the top of the vacuum chassis 1, and the bottom of the connecting rod 7 is rotatably connected to a movable rod 8, and the bottom of the movable rod 8 is movably passed through the bottom of the vacuum chassis 1, and the surface of the movable rod 8 is fixedly connected to a fixed block 9, so that the movable rod 8 and the fixed block 9 can rotate at the bottom of the connecting rod 7, and a plurality of card grooves 24 are provided on the surface of the movable block 10, and the lens can be placed in the card groove 24 on the surface of the fixed block 9, thereby playing a preliminary role in fixing the lens, and a driving structure is provided on the surface of the movable rod 8, which drives the movable rod 8 and the fixed block 9 to rotate, and a slide groove 17 is provided on one side of the vacuum chassis 1, and a slider 18 that fits with the slide groove 17 is slidably connected in the slide groove 17, and a threaded rod 19 that fits with the slider 18 is rotatably connected in the slide groove 17, and the slider 1 8 moves on the surface of the threaded rod 19, and a movable block 10 is fixedly connected to one side of the slider 18. When the threaded rod 19 rotates forward and backward, the position of the slider 18 in the slide groove 17 can be adjusted, so that the distance between the movable block 10 and the lens placed on the surface of the fixed block 9 can be adjusted. The bottom of the threaded rod 19 moves through the bottom of the slide groove 17 and extends to the outside where the output end of the first motor 20 is connected. The threaded rod 19 is driven by the first motor 20 to rotate forward and backward, thereby adjusting the position of the slider 18 in the slide groove 17. The first motor 20 is installed in the first silencer box 21, and the first silencer box 21 is fixedly connected to one side of the vacuum chassis 1. The position of the first motor 20 can be fixed by the first silencer box 21, and the noise generated by the first motor 20 during operation can also be reduced.

[0032] At the same time, a first cavity 11 is provided in the movable block 10, and a plurality of dust suction ports 12 are provided at the bottom of the movable block 10. A group of cleaning cloths 13 are movably connected to the surface of the movable block 10. Therefore, when the slider 18 drives the movable block 10 to move until the cleaning cloth 13 contacts the lens, the movable rod 8 and the fixed block 9 can be driven to rotate by the driving structure, so that the cleaning cloth 13 can fully wipe each lens, which can play a preliminary cleaning role on the dust on the surface of the lens. A connecting pipe 22 is provided in the connecting rod 7, and then the external dust suction device is connected through the connecting pipe 22, so that the dust on the surface of the lens can be sucked away through the connecting pipe 22, the first cavity 11 and the dust suction port 12, so that the lens can be cleaned again, thereby effectively removing dust and impurities on the surface of the lens in the vacuum chassis 1, thereby improving the coating quality and uniformity. It is convenient to improve work efficiency, and the connecting tube 22 and the movable block 10 are connected by a hose 16. When one end of the movable block 10 is adjusted, the other end can be moved through the hose 16 to avoid affecting the use of the device. At the same time, a group of dust suction ports 12 are located in the middle of a group of cleaning cloths 13, so after wiping the lens for the first time, squeezing can adsorb dust, and after adsorption, it can be aligned again for wiping, which is convenient to improve the cleaning effect. A group of hook surfaces 15 are further provided on the surface of the movable block 10, and the dust suction port 12 is located in the middle of a group of cleaning cloths 13. Each cleaning cloth 13 is provided with a hairy surface 14 that meshes with the hook surface 15 on the side close to the movable block 10. The design of the hook surface 15 and the hairy surface 14 can quickly realize the replacement of the cleaning cloth 13, so that it can better clean the lens surface, thereby improving the effect of lens coating.

[0033] The driving structure includes a first bevel gear 27, a second bevel gear 28, a second motor 29 and a second silencer box 30. The surface of the movable rod 8 is fixedly connected to the first bevel gear 27, and the surface of the first bevel gear 27 is meshed with the second bevel gear 28. The second bevel gear 28 is connected to the output end of the second motor 29 through an axis. The second motor 29 is started, and the movable rod 8 and the fixed block 9 are driven to rotate through the second bevel gear 28 and the first bevel gear 27, so that each lens is fully cleaned and the lens is coated more evenly, thereby improving the coating effect. The second motor 29 is installed in the second silencer box 30, and the second silencer box 30 is fixedly connected to the bottom of the vacuum chassis 1. The second silencer box 30 fixes the position of the second motor 29 and reduces the noise generated by the second motor 29 during operation.

[0034] An air channel 26 is further provided in the movable rod 8, and the bottom of the movable rod 8 is rotatably connected to a pipe 31. A second cavity 23 connected to the air channel 26 is provided in the fixed block 9, and an air intake 25 is provided in each slot 24. Therefore, an external air pump device can be connected through the pipe 31, so that the position of the lens can be fixed again through the air channel 26, the second cavity 23 and the air intake 25 to avoid accidental falling of the lens during the coating process, thereby affecting the coating effect. At the same time, the movable rod 8 and the pipe 31 are in a rotational connection relationship, which does not affect the rotation of the movable rod 8, so that the lens can be better coated, thereby improving work efficiency.

[0035] In this embodiment, the external air pump device connected by the pipeline 31 and the dust collection device connected by the connecting pipe 22, wherein the air pump device and the dust collection device are both existing structures, and therefore are not described in detail in this application. At the same time, the connection between the movable rod 8 and the vacuum chassis 1 and the connection rod 7 and the vacuum chassis 1 are provided with a sealing structure, which can increase the sealing of the entire device, and the vacuum chassis 1 can be evacuated when the lens is coated, and the coating is performed only after the vacuum degree reaches a predetermined value. Here, evacuating the vacuum chassis 1 is also an existing structure.

[0036] Although embodiments of the present invention have been shown and described, these specific embodiments are merely explanations of the present invention and are not limitations on the present invention. The specific features, structures, materials, or characteristics described may be combined in a suitable manner in any one or more embodiments or examples. After reading this specification, those skilled in the art may make modifications, substitutions, and variations to the embodiments as needed without departing from the principles and purpose of the present invention, but as long as they are within the scope of the claims of the present invention, they are protected by patent law.

Claims

1. A vacuum coating machine for optical lenses, comprising a vacuum case (1), wherein the four corners of the bottom of the vacuum case (1) are fixedly connected to legs (2), and a set of electron gun coating bodies (6) are installed on the top of the vacuum case (1), characterized in that: The top of the vacuum box (1) is penetrated by a connecting rod (7), the bottom of the connecting rod (7) is rotatably connected to a movable rod (8), and the bottom of the movable rod (8) is movable and penetrates the bottom of the vacuum box (1), the surface of the movable rod (8) is fixedly connected to a fixed block (9), and the surface of the movable block (10) is provided with a plurality of slots (24), the surface of the movable rod (8) is provided with a driving structure, a slide groove (17) is provided on one side of the vacuum box (1), and a sliding member that fits the slide groove (17) is slidably connected in the slide groove (17). A slider (18) is rotatably connected to a threaded rod (19) that matches the slider (18), and the slider (18) moves on the surface of the threaded rod (19). A movable block (10) is fixedly connected to one side of the slider (18), a first cavity (11) is provided in the movable block (10), and a plurality of dust suction ports (12) are provided at the bottom of the movable block (10). A group of cleaning cloths (13) are movably connected to the surface of the movable block (10), and the dust suction port (12) is located in the middle of the group of cleaning cloths (13).

2. The vacuum coating machine for optical lenses according to claim 1, characterized in that: The surface of the movable block (10) is provided with a group of hook surfaces (15), and each cleaning cloth (13) is provided with a hairy surface (14) meshed with the hook surface (15) on one side close to the movable block (10).

3. The vacuum coating machine for optical lenses according to claim 1, characterized in that: An air passage (26) is provided in the movable rod (8), and a pipe (31) is rotatably connected to the bottom of the movable rod (8). A second cavity (23) connected to the air passage (26) is provided in the fixed block (9), and an air inlet (25) is provided in each of the card slots (24).

4. The vacuum coating machine for optical lenses according to claim 1, characterized in that: The driving structure comprises a first bevel gear (27), a second bevel gear (28), a second motor (29) and a second muffler box (30); the surface of the movable rod (8) is fixedly connected to the first bevel gear (27), and the surface of the first bevel gear (27) is meshed with the second bevel gear (28); the second bevel gear (28) is connected to the output end of the second motor (29) via a shaft; the second motor (29) is installed in the second muffler box (30), and the second muffler box (30) is fixedly connected to the bottom of the vacuum box (1).

5. The vacuum coating machine for optical lenses according to claim 1, characterized in that: The bottom of the threaded rod (19) movably passes through the bottom of the slide groove (17) and extends to the outside to be connected to the output end of the first motor (20). The first motor (20) is installed in the first silencer box (21), and the first silencer box (21) is fixedly connected to one side of the vacuum box (1).

6. The vacuum coating machine for optical lenses according to claim 1, characterized in that: A connecting pipe (22) is provided in the connecting rod (7), and the connecting pipe (22) and the movable block (10) are connected via a hose (16).

7. The vacuum coating machine for optical lenses according to claim 1, characterized in that: A movable door (3) is hingedly connected to one side of the vacuum case (1); the movable door (3) and the vacuum case (1) are fixed via a lock (4); a rubber layer is provided at the connection between the movable door (3) and the vacuum case (1); and a visual window (5) is provided on the movable door (3).

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