Film coating clamp for cube-corner prism
By designing a corner pyramid prism coating fixture with clamping columns, clamping plates, and airbag structures, the problem of unstable clamping during corner pyramid prism coating processing was solved, achieving improved stability and efficiency, and adapting to clamping requirements of different sizes.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-08
- Publication Date
- 2026-04-07
AI Technical Summary
In the existing technology, the cylindrical structure of the corner pyramid prism causes unstable clamping during coating processing, which affects the coating efficiency.
A corner cube prism coating fixture was designed, which adopts a structure of clamping columns, clamping plates and air bladders. Multiple clamping plates hold the corner cube prism from different directions, and the air bladder expands to adapt to the contact, thereby improving the clamping stability. The clamping can be flexibly adjusted through a drive component.
It improves the clamping stability and efficiency of corner prism coating, reduces the wear of corner prisms, adapts to corner prisms of different sizes, and enhances the overall coating effect.
Smart Images

Figure CN224091989U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a film plating fixture technical field relates to a kind of film plating fixture of corner pyramid prism. BACKGROUND
[0002] Optical coating refers to the process of coating a layer (or multiple layers) of metal (or dielectric) thin film on the surface of optical element, and the purpose of coating film on the surface of optical element is to achieve the requirements of reducing or increasing light reflection, beam splitting, color separation, light filtering and polarization, etc. Coating film is to coat a layer of transparent electrolyte film or a layer of metal film on the surface of material by physical or chemical method, to change the reflection and transmission characteristics of material surface. During the coating process, the optical element needs to be clamped by a fixture to prevent the part from shaking, so as to coat the optical element.
[0003] In the prior art, when the corner pyramid prism is coated, a clamping plate or other structure is usually used to clamp and fix the corner pyramid prism from both sides, but since part of the corner pyramid prism is cylindrical, it is prone to unstable clamping, which affects the coating efficiency.
[0004] Therefore, it is necessary to provide a film plating fixture for corner pyramid prism to solve the above problems. CONTENT OF THE UTILITY MODEL
[0005] The utility model aims at providing a kind of film plating fixture of corner pyramid prism, to solve the problems in the prior art, when the corner pyramid prism is coated, a clamping plate or other structure is usually used to clamp and fix the corner pyramid prism from both sides, but since part of the corner pyramid prism is cylindrical, it is prone to unstable clamping, which affects the coating efficiency.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a kind of film plating fixture of corner pyramid prism, including base, the top of the base is fixedly connected with disc, the upper surface of the disc is provided with recess, the bottom of the recess is provided with sliding slot, the inside of the sliding slot is slidably connected with sliding block, the top of the sliding block is fixedly connected with clamping column, the one end of the clamping column close to disc axis is fixedly connected with clamping plate, the clamping plate is V-shaped, the recess side of the clamping plate is fixedly connected with first gas bag, the inside of the sliding slot is provided with second gas bag, the second gas bag cooperates with first gas bag.
[0007] Preferably, one end of the second gas bag is fixedly connected to the sliding block, the other end of the second gas bag is fixedly connected to the inner wall of the sliding slot, a gas passage is formed in the clamping column and extends through the clamping plate, and the second gas bag is in communication with the first gas bag through the gas passage.
[0008] Preferably, the recess is provided with a plurality of recesses, and the plurality of recesses are evenly distributed around the disc.
[0009] Preferably, the outer ring of the disc is provided with a ring groove, the inside of the ring groove is rotationally connected with a gear ring, the end of the clamping column away from the clamping plate is fixedly connected with a fan plate, the fan plate is provided with a sliding channel, the inside of the sliding channel is provided with a round rod, and the round rod is fixedly connected with the gear ring.
[0010] Preferably, the sliding channel is obliquely arranged.
[0011] Preferably, the top of the base is provided with a driving assembly matched with the gear ring, the driving assembly comprises a gear and a motor, the motor is fixedly connected to the top of the base, the gear is fixedly connected to the driving shaft of the motor, and the gear ring is in meshing connection with the gear.
[0012] The technical effects and advantages of the utility model are as follows:
[0013] 1. The utility model discloses a plurality of clamping plates are cooperated with the cylindrical part of the corner cube prism from different directions to clamp and fix the cylindrical part, and the first air bag is expanded to abut on the outer wall of the corner cube prism, so that the abrasion of the corner cube prism is reduced, the stability of clamping and fixing is improved, and the efficiency of coating is improved. ACCOUNT OF DRAWINGS
[0014] Figure 1 It is the coating fixture structure schematic view of the corner cube prism of the utility model.
[0015] Figure 2 It is the coating fixture sectional structure schematic view of the corner cube prism of the utility model.
[0016] Figure 3 It is the coating fixture structure schematic view of the corner cube prism of the utility model Figure 2 It is the structure enlarged schematic view of A place in the utility model.
[0017] Figure 4 It is the recess and sliding groove structure schematic view of the utility model.
[0018] In the drawing: 1, base;2, disc;3, recess;4, sliding groove;5, sliding block;6, clamping column;7, clamping plate;8, first air bag;9, second air bag;10, gas passage;11, fan plate;12, sliding channel;13, round rod;14, gear ring;15, gear;16, motor;17, ring groove. SPECIFIC IMPLEMENTATION
[0019] The utility model provides a kind of coating fixture of corner cube prism as Figures 1-4 As shown in the drawing, it comprises base 1, the top of base 1 is fixedly connected with disc 2, the upper surface of disc 2 is provided with recess 3, recess 3 is provided with multiple, multiple recess 3 is evenly distributed around disc 2, and the number of recess 3 is preferably three.
[0020] The bottom of the groove 3 is provided with a sliding groove 4, and the sliding groove 4 is slidably connected with a sliding block 5. The sliding groove 4 and the sliding block 5 are both provided in a T shape, so as to improve the stability of sliding.
[0021] The top of the sliding block 5 is fixedly connected with a clamping column 6, and the clamping column 6 is fixedly connected with a clamping plate 7 at the end close to the axis of the disc 2. The clamping plate 7 is in a V shape, which is suitable for the cylindrical part of the corner cube prism. Meanwhile, multiple clamping plates 7 can be matched to meet the corner cube prisms of different sizes. When the sliding block 5 moves in the sliding groove 4 towards the axis of the disc 2, the clamping column 6 and the clamping plate 7 will move synchronously. Meanwhile, multiple clamping plates 7 are matched from different directions to clamp and fix the cylindrical part of the corner cube prism, which can improve the stability of clamping and fixing and facilitate the subsequent film coating operation.
[0022] In order to realize the movement of the clamping column 6 and the clamping plate 7, a ring groove 17 is formed on the outer ring of the disc 2, and a gear ring 14 is rotatably connected in the ring groove 17. The end of the clamping column 6 away from the clamping plate 7 is fixedly connected with a fan plate 11, and a sliding channel 12 is formed on the fan plate 11. The sliding channel 12 is inclined, and a round rod 13 is arranged in the sliding channel 12. The round rod 13 is fixedly connected to the gear ring 14.
[0023] A driving assembly matched with the gear ring 14 is arranged above the base 1. The driving assembly includes a gear 15 and a motor 16. The motor 16 is fixedly connected to the top of the base 1, and the gear 15 is fixedly connected to the driving shaft of the motor 16. The gear ring 14 is in meshing connection with the gear 15. The motor 16 drives the gear 15 to rotate, and the gear ring 14 rotates due to the meshing connection between the gear ring 14 and the gear 15.
[0024] In actual use (refer to Figure 1 ), the motor 16 drives the gear 15 to rotate, and the gear ring 14 rotates clockwise in the ring groove 17 due to the meshing connection between the gear ring 14 and the gear 15. The round rod 13 moves, and the clamping column 6 and the clamping plate 7 move towards the axis of the disc 2 due to the inclined arrangement of the sliding channel 12 and the cooperation of the sliding groove 4 and the sliding block 5. Multiple clamping plates 7 are matched from different directions to clamp and fix the cylindrical part of the corner cube prism, which improves the efficiency of film coating.
[0025] When the gear ring 14 reversely rotates, the clamping column 6 and the clamping plate 7 move away from the axis of the disc 2 under the cooperation of the fan plate 11, the sliding channel 12 and the round rod 13, and are reset.
[0026] By arranging the clamping column 6 and the clamping plate 7, multiple clamping plates 7 are matched from different directions to clamp and fix the cylindrical part of the corner cube prism, and can meet the corner cube prisms of different sizes.
[0027] In order to reduce the wear of the corner cube prism and improve the stability of clamping and fixing, the first air bag 8 is fixedly connected to the recessed side of the clamping plate 7, the second air bag 9 is arranged in the inner part of the sliding groove 4, the second air bag 9 cooperates with the first air bag 8, and the second air bag 9 is located at the side of the sliding block 5 close to the axis of the disc 2.
[0028] One end of the second air bag 9 is fixedly connected to the sliding block 5, the other end of the second air bag 9 is fixedly connected to the inner wall of the sliding groove 4, the clamping column 6 is provided with the gas passage 10, the gas passage 10 penetrates through the clamping plate 7, the second air bag 9 communicates with the first air bag 8 through the gas passage 10, and the gas in the second air bag 9 can enter the inside of the first air bag 8 through the gas passage 10.
[0029] In actual use, when the sliding block 5 moves in the inner part of the sliding groove 4 towards the direction of the axis of the disc 2, the clamping column 6 and the clamping plate 7 are synchronously moved, the second air bag 9 is squeezed and shrunk, the gas in the second air bag 9 enters the inside of the first air bag 8 through the gas passage 10, the first air bag 8 is expanded and enlarged and abuts against the outer wall of the corner cube prism adaptively, the wear of the corner cube prism is reduced, and the stability of clamping and fixing is improved.
Claims
1. A coating fixture for a cornerstone prism, comprising a base (1), characterized in that: A disc (2) is fixedly connected to the top of the base (1). A groove (3) is provided on the upper surface of the disc (2). A sliding groove (4) is provided at the bottom of the groove (3). A slider (5) is slidably connected inside the sliding groove (4). A clamping post (6) is fixedly connected to the top of the slider (5). A clamping plate (7) is fixedly connected to one end of the clamping post (6) near the axis of the disc (2). The clamping plate (7) is V-shaped. A first airbag (8) is fixedly connected to the concave side of the clamping plate (7). A second airbag (9) is provided inside the sliding groove (4). The second airbag (9) cooperates with the first airbag (8).
2. The coating fixture for a cornerstone prism according to claim 1, characterized in that: One end of the second airbag (9) is fixedly connected to the slider (5), and the other end of the second airbag (9) is fixedly connected to the inner wall of the slide groove (4). A gas channel (10) is provided on the clamping column (6), and the gas channel (10) passes through the clamping plate (7). The second airbag (9) and the first airbag (8) are connected through the gas channel (10).
3. The coating fixture for a cornerstone prism according to claim 1, characterized in that: The groove (3) is provided in multiple ways, and the multiple grooves (3) are evenly distributed around the disk (2).
4. The coating fixture for a cornerstone prism according to claim 1, characterized in that: The outer ring of the disc (2) has an annular groove (17), and a toothed ring (14) is rotatably connected inside the annular groove (17). The end of the clamping column (6) away from the clamping plate (7) is fixedly connected to a fan plate (11). A sliding channel (12) is provided on the fan plate (11), and a round rod (13) is provided inside the sliding channel (12). The round rod (13) is fixedly connected to the toothed ring (14).
5. The coating fixture for a cornerstone prism according to claim 4, characterized in that: The sliding channel (12) is inclined.
6. The coating fixture for a cornerstone prism according to claim 4, characterized in that: A drive assembly that engages with a gear ring (14) is provided above the base (1). The drive assembly includes a gear (15) and a motor (16). The motor (16) is fixedly connected to the top of the base (1), and the gear (15) is fixedly connected to the drive shaft of the motor (16). The gear ring (14) meshes with the gear (15).