A double-sided coating machine for security lenses

Abstract

The utility model discloses a double-sided coating machine for security lenses, which relates to the technical field of lens coating, and comprises a coating shell, a sealing cover plate is arranged directly above the coating shell, a handle is symmetrically arranged at the top of the sealing cover plate, a visual window is connected through one side of the coating shell, a clamping mechanism is arranged inside the coating shell, the clamping mechanism adjusts the clamping spacing according to the size of the lens raw material, and vertically feeds multiple groups of lenses into the coating shell, and a rotating mechanism is arranged directly below the clamping mechanism, which continuously rotates the clamping mechanism to increase the contact area between the lens and the coating material. During use, the height of the other group of support trays is adjusted by rotating the outer tooth rod on the outer side of the inner tooth tube, and the spacing between the two groups of support trays is adjusted, so as to clamp the two sides of security lenses of different specifications.

Description

Technical Field

[0001] The utility model relates to the technical field of lens coating, in particular to a double-sided coating machine for security lenses. Background Art

[0002] Film lenses use the new technology of optical film and vacuum to be coated with a single or multi-layer optical film of a certain thickness. The main function of each film layer is to add a hard film: increase the hardness of the lens surface to make it more wear-resistant, anti-reflective film, increase the visible light transmittance of the lens and its anti-ultraviolet and anti-radiation properties.

[0003] Coating machines are divided into two types: evaporation and sputtering. In some existing coating devices, the lenses cannot be rotated during coating, resulting in uneven coating. For example, a lens coating device (authorization announcement number CN211036088U) also has similar problems. In addition, there are differences in the sizes of security lenses, making it difficult to position the security lenses according to usage requirements. During coating, the lenses cannot be rotated when clamped, resulting in uneven coating on some lenses. Summary of the invention

[0004] The purpose of the utility model is to provide a double-sided coating machine for security lenses to solve the above-mentioned defects caused by the prior art.

[0005] A double-sided coating machine for security lenses comprises a coating shell, a sealing cover plate is arranged directly above the coating shell, a handle is symmetrically arranged on the top of the sealing cover plate, a visual window is connected through one side of the coating shell, a clamping mechanism is arranged inside the coating shell, the clamping mechanism adjusts the clamping spacing according to the size of the lens raw material, and vertically feeds multiple groups of lenses into the coating shell, and a rotating mechanism is arranged directly below the clamping mechanism, the rotating mechanism continuously rotates the clamping mechanism according to the amount of lens raw materials clamped on the clamping mechanism, thereby increasing the contact area between the coated lens and the coating material.

[0006] Preferably, the clamping mechanism includes a supporting tray, a lens clamp, an inner tooth tube, an outer tooth rod and an electric cylinder, the supporting tray is symmetrically arranged inside the coating shell, the top of one group of the supporting trays is connected to the bottom end of the sealing cover plate, the bottom of the supporting tray is connected to the top of the outer tooth rod, the outer side of the outer tooth rod is threadedly connected to the inside of the inner tooth tube, one side of the supporting tray is connected to the output end of the electric cylinder, and the top of the supporting tray is connected to the tail end of the outer tooth rod.

[0007] Preferably, the support tray is connected to the outer end of the inner tooth tube through an outer tooth rod arranged at the bottom end.

[0008] Preferably, the rotating mechanism includes a servo motor, a transmission gear, an annular gear disk, and an evaporation tank. The servo motor is arranged through the bottom end of the coating shell. The output end of the servo motor is connected to the transmission gear. The outer side of the transmission gear is meshingly connected to the annular gear disk. The outer side is connected to the bottom of the supporting tray. An evaporation tank is provided directly above the supporting tray.

[0009] Preferably, the supporting tray is connected to the outer side of the transmission gear via an annular gear plate arranged at the bottom end.

[0010] Preferably, the top end of the sealing cover plate is penetrated and connected with an output end of a vacuum pump.

[0011] Compared with the prior art, the utility model has the following advantages:

[0012] 1. During use, the outer tooth rod is rotated on the outside of the inner tooth tube to adjust the height of the other group of support trays, and then the distance between the two groups of support trays is adjusted, so as to clamp the two sides of security lenses of different specifications to avoid the loosening of the clamping structure during the rotation of the security lens coating, and the electric cylinder is used to drive the sealing cover plate and the support tray to rise vertically, so as to discharge multiple groups of lenses.

[0013] 2. Use the transmission gear to mesh with the outer side of the annular toothed disc, rotate the annular toothed disc and multiple groups of security lenses, thereby increasing the contact area between the heated material mist and the security lenses, and mesh the annular toothed disc and the support tray by setting transmission gears with different numbers of teeth, adjust and control the rotation speed of the support tray to avoid excessive rotation speed affecting the uniformity of the lens coating. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model.

[0015] Figure 2 It is a schematic diagram of the front section structure of the coating shell in the utility model.

[0016] Figure 3 It is a schematic diagram of the structure of the supporting tray in the utility model when viewed from above.

[0017] Figure 4 It is a schematic diagram of the structure of the material tray and the inner tooth tube in the utility model.

[0018] Figure 5 It is a schematic diagram of the side view structure of the coating shell in the utility model.

[0019] in:

[0020] 1. Coating shell; 2. Sealing cover; 3. Handle; 4. Vacuum pump; 5. Visual window; 6. Support tray; 7. Lens clamp; 8. Clamping mechanism; 9. Inner tooth tube; 10. Outer tooth rod; 11. Servo motor; 12. Rotating mechanism; 13. Transmission gear; 14. Ring gear disc; 15. Evaporation tank; 16. Electric cylinder. DETAILED DESCRIPTION

[0021] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0022] like Figures 1 to 5 As shown, a double-sided coating machine for security lenses comprises a coating shell 1, a sealing cover plate 2 is arranged directly above the coating shell 1, a handle 3 is symmetrically arranged on the top of the sealing cover plate 2, a visual window 5 is penetrated and connected to one side of the coating shell 1, a clamping mechanism 8 is arranged inside the coating shell 1, the clamping mechanism 8 adjusts the clamping interval according to the size of the lens raw material, and vertically feeds multiple groups of lenses into the coating shell 1, and a rotating mechanism 12 is arranged directly below the clamping mechanism 8, the rotating mechanism 12 continuously rotates the clamping mechanism 8 according to the amount of lens raw materials clamped on the clamping mechanism 8, thereby increasing the contact area between the coated lens and the coating material.

[0023] In this embodiment, the clamping mechanism 8 includes a supporting tray 6, a lens clamp 7, an inner tooth tube 9, an outer tooth rod 10 and an electric cylinder 16. The supporting tray 6 is symmetrically arranged inside the coating shell 1, and one group of the supporting trays 6 has its top connected to the bottom end of the sealing cover plate 2, and the bottom of the supporting tray 6 is connected to the top of the outer tooth rod 10, and the outer side of the outer tooth rod 10 is threadedly connected to the inside of the inner tooth tube 9, one side of the supporting tray 6 is connected to the output end of the electric cylinder 16, and the top of the supporting tray 6 is connected to the tail end of the outer tooth rod 10.

[0024] In this embodiment, the support tray 6 is connected to the outer end of the inner tube 9 via an outer rod 10 provided at the bottom end. The outer rod 10 is rotated inside the inner tube 9 to adjust and control the spacing of the support tray 6.

[0025] In this embodiment, the rotating mechanism 12 includes a servo motor 11, a transmission gear 13, an annular toothed disk 14, and an evaporation tank 15. The servo motor 11 is arranged at the bottom of the coating housing 1, and the output end of the servo motor 11 is connected to the transmission gear 13. The outer side of the transmission gear 13 is meshed and connected to the annular toothed disk 14. The outer side is connected to the bottom of the support tray 6. The evaporation tank 15 is opened just above the support tray 6. The heated rear fog is released through the annularly distributed evaporation tank 15 to coat the lens.

[0026] In this embodiment, the support tray 6 is connected to the outer side of the transmission gear 13 via an annular toothed disk 14 provided at the bottom end, and the transmission gear 13 is used to mesh with the outer side of the annular toothed disk 14 to adjust and control the rotation speed of the support tray 6.

[0027] In this embodiment, the top end of the sealing cover plate 2 is penetrated and connected with the output end of the vacuum pump 4, and the vacuum pump 4 is used to evacuate the interior of the coating housing 1 to complete the dust-free coating of the lens.

[0028] In actual application, this double-sided coating machine for security lenses includes the following work contents:

[0029] Step 1: Before clamping the security lens, the operator first rotates the inner tooth tube 9, rotates and adjusts the outer tooth rod 10 set at the top of the inner tooth tube 9, adjusts the distance between the two groups of support trays 6, and clamps both sides of the lens through the lens clamp 7 set at the top of the support tray 6. Then, the electric cylinder 16 is turned on, and the bottom end of the sealing panel 2 is driven by the electric cylinder 16 to vertically lift and lower, and the support tray 6 set below and multiple groups of security lenses are directly placed into the coating housing 1;

[0030] Step 2: The operator can make the annular gear plate 14 provided at the bottom of the material tray 6 mesh with the outer side of the transmission gear 13, and directly put the coating material into the evaporation tank 15, and use the electric heating wire provided in the evaporation tank 15 to heat and vaporize the material, so that the vaporized mist adheres to the surface of the security lens, and use the vacuum pump 4 to extract the air inside the coating housing 1, thereby completing the vacuum treatment of the coating housing 1;

[0031] Step 3: The operator can turn on the servo motor 11, use the servo motor 11 to drive the transmission gear 13 to rotate, use the transmission gear 13 to mesh with the outer side of the annular toothed disc 14, rotate the annular toothed disc 14 and multiple groups of security lenses, thereby increasing the contact area between the heated material mist and the security lenses, and place the prepared lenses in an environment of 120°C and a vacuum degree of -5, and evaporate a waterproof hard film on the convex surface of the lenses;

[0032] Step 4: The operator can observe the coating condition of the internal lens through the visual window 5, and open the electric cylinder 16 again, use the electric cylinder 16 to vertically raise the sealing cover plate 2 and the lens, guide out the coated lens, and then disassemble and separate the lens by loosening the lens clamp 7.

[0033] Therefore, the embodiments disclosed above are only illustrative in all aspects and are not exclusive. All changes within the scope of the present invention or within the scope equivalent to the present invention are included in the present invention.

Claims

1. A double-sided coating machine for security lenses, characterized by: The coating shell (1) comprises a coating shell (1), a sealing cover plate (2) is arranged directly above the coating shell (1), a handle (3) is symmetrically arranged at the top of the sealing cover plate (2), a visual window (5) is connected through one side of the coating shell (1), a clamping mechanism (8) is arranged inside the coating shell (1), the clamping mechanism (8) adjusts the clamping spacing according to the size of the lens material, and vertically feeds multiple groups of lenses into the coating shell (1), and a rotating mechanism (12) is arranged directly below the clamping mechanism (8), and the rotating mechanism (12) continuously rotates the clamping mechanism (8) according to the amount of lens material clamped on the clamping mechanism (8), thereby increasing the contact area between the coated lens and the coating material.

2. The double-sided coating machine for security lenses according to claim 1, characterized in that: The clamping mechanism (8) comprises a support tray (6), a lens clamp (7), an inner tooth tube (9), an outer tooth rod (10) and an electric cylinder (16); the support tray (6) is symmetrically arranged inside the coating shell (1); the top end of one group of the support trays (6) is connected to the bottom end of the sealing cover plate (2); the bottom of the support tray (6) is connected to the top end of the outer tooth rod (10); the outer side of the outer tooth rod (10) is threadedly connected to the inside of the inner tooth tube (9); one side of the support tray (6) is connected to the output end of the electric cylinder (16); and the top end of the support tray (6) is connected to the tail end of the outer tooth rod (10).

3. The double-sided coating machine for security lenses according to claim 2, characterized in that: The support tray (6) is connected to the outer end of the inner tooth tube (9) via an outer tooth rod (10) arranged at the bottom end.

4. The double-sided coating machine for security lenses according to claim 1, characterized in that: The rotating mechanism (12) comprises a servo motor (11), a transmission gear (13), an annular gear disk (14), and an evaporation tank (15); the servo motor (11) is arranged through the bottom end of the coating shell (1); the output end of the servo motor (11) is connected to the transmission gear (13); the outer side of the transmission gear (13) is meshingly connected to the annular gear disk (14); the outer side is connected to the bottom of the support tray (6); and the evaporation tank (15) is provided directly above the support tray (6).

5. The double-sided coating machine for security lenses according to claim 4, characterized in that: The support plate (6) is connected to the outer side of the transmission gear (13) via an annular toothed plate (14) arranged at the bottom end.

6. The double-sided coating machine for security lenses according to claim 1, characterized in that: The top end of the sealing cover plate (2) is connected through the output end of a vacuum pump (4).

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