Reflector coating clamp

Abstract

The utility model provides a reflecting mirror coating clamp which comprises a bottom plate, a guide groove is formed in the bottom plate, a sliding block capable of being driven by a screw to move along the guide groove is arranged in the guide groove, a fixing arm is arranged at the top of the sliding block, and a clamping arm capable of adjusting the height in a sliding mode and fixing temporarily is arranged on the fixing arm. A pressing edge is arranged at the top end of the clamping arm, and an elastic cushion layer is arranged on the face, facing the reflector, of the pressing edge. According to the film coating clamp provided by the utility model, the movable structure of the clamping arm and the fixed arm is reserved, the requirement of an original clamp for adapting to elements with different thicknesses and sizes is reserved, and meanwhile, the guide groove and the sliding block are arranged, so that an operator can rotate the screw rod to drive the sliding block to slide along the guide groove so as to adapt to the size requirements of elements with different diameters; and the coating requirements of various specifications of elements are met. In addition, identification scales are arranged on the bottom plate, selection of elements of different sizes is facilitated, and the selection efficiency of elements of different sizes is improved.

Description

Technical Field

[0001] The present invention belongs to the technical field of mirrors, and particularly relates to a mirror coating fixture. Background Art

[0002] Due to its low thermal deformation, high specific stiffness, dimensional stability, radiation resistance and other characteristics, silicon carbide is particularly suitable for applications in space optical systems. A silicon carbide mirror is an optical mirror made of silicon carbide material, which has good mechanical and physical properties and is suitable for optical system mirrors in space satellites, lidar systems, and space telescopes.

[0003] During the processing of mirrors, coating treatment is required. According to the different sizes of coated mirror elements, generally corresponding coating fixtures are also different. However, currently, the coating fixtures generally have a single specification. Generally, one size of mirror requires one specification of coating fixture, which results in a high tooling cost for the coating fixture. The applicant previously designed and developed a coating fixture and also applied for a patent, with the publication number CN218146920U. This coating fixture can only adapt to elements with different thickness sizes and cannot be compatible with elements with different diameters.

[0004] Based on this, the present application proposes a mirror coating fixture to solve the above-mentioned problems. Summary of the Invention

[0005] The purpose of the present utility model is to provide a mirror coating fixture to solve the problem of high cost caused by the need to match different specifications of coating fixtures due to different element sizes during the current mirror coating.

[0006] The technical solution adopted by the present utility model is specifically as follows: A mirror coating fixture includes a bottom plate. A guiding groove is opened on the bottom plate, and a slider capable of moving along the guiding groove by driving with a screw rod is arranged in the guiding groove. A fixing arm is arranged on the top of the slider, and a clamping arm that can slide to adjust the height and be temporarily fixed is arranged on the fixing arm. A pressing edge is arranged at the top end of the clamping arm, and an elastic cushion layer is arranged on the surface of the pressing edge facing the mirror.

[0007] As a preferred technical solution, the guiding grooves are arranged in a circumferential array along the bottom plate, and the number is not less than three.

[0008] As a preferred technical solution, sliding grooves are arranged on both sides of the inner wall of the guiding groove, and the sliding grooves are arranged in cooperation with the slider.

[0009] As a preferred technical solution, the clamping arm and the fixing arm are temporarily fixed by a fixing pin.

[0010] As a preferred technical solution, scale marks are provided on the bottom plate, and the scale marks correspond to reflectors with at least three diameter sizes.

[0011] As a preferred technical solution, the screw penetrates through the slider and is movably connected to the guide groove at one end and extends to the outside of the bottom plate at the other end. A nut is provided at the end of the screw located outside the bottom plate.

[0012] The technical effects achieved by the present utility model are as follows:

[0013] The coating fixture provided by the present utility model retains the movable structure of the clamping arm and the fixed arm, meeting the requirement of the original fixture for accommodating components with different thickness dimensions. At the same time, by providing a guide groove and a slider, the operator can rotate the screw to drive the slider to slide along the guide groove to adapt to the size requirements of components with different diameters, satisfying the coating needs of components of various specifications. In addition, scale marks are provided on the bottom plate, which is more convenient for the selection of different sizes and improves the selection efficiency of components of different sizes. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 is a schematic structural diagram of the present utility model.

[0015] Figure 2 is a partial schematic diagram of the screw and slider part of the present utility model.

[0016] In the figure: 1 - bottom plate; 2 - guide groove; 3 - slider; 4 - fixed arm; 5 - clamping arm; 6 - pressing edge; 7 - scale mark; 8 - screw. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0017] To make the above objects, features, and advantages of the present invention more obvious and understandable, the following detailed description of the specific embodiments of the present invention will be given with reference to the accompanying drawings of the specification.

[0018] In the following description, many specific details are set forth to facilitate a thorough understanding of the present invention. However, the present invention may be implemented in other ways different from those described herein. Those skilled in the art can make similar extensions without departing from the connotation of the present invention. Therefore, the present invention is not limited by the specific embodiments disclosed below.

[0019] In the description of the following embodiments, terms such as "upper and lower", "left and right", "one side", "the other side", etc., which refer to directions and positions, are only for the convenience of description based on the accompanying drawings of the specification. The embodiments and the scope of protection of the present invention are not limited by the relevant terms.

[0020] Please refer to Figure 1-2As shown in the figure, a mirror coating fixture includes a bottom plate 1, a guiding groove 2 is formed on the bottom plate 1, and a slider 3 capable of moving along the guiding groove 2 driven by a screw 8 is arranged in the guiding groove 2. A fixing arm 4 is arranged on the top of the slider 3, and a clamping arm 5 which can be slid to adjust the height and temporarily fixed is arranged on the fixing arm 4. A pressing edge 6 is arranged at the top end of the clamping arm 5, and an elastic cushion layer is arranged on the surface of the pressing edge 6 facing the mirror.

[0021] When the above-mentioned coating fixture is in use, the slider 3 is moved to a suitable distance by rotating the screw 8 to adjust and adapt to the diameter size of the mirror. Then, the mirror is placed on the bottom plate 1 and is preliminarily fixed horizontally by the slider 3. Finally, the height of the clamping arm 5 is adjusted, and the mirror is fixed longitudinally by the clamping arm 5 to complete the overall fixing of the mirror.

[0022] Based on the stability of the fixture clamping, the above-mentioned guiding grooves 2 are arranged in a circumferential array along the bottom plate, and the number is not less than three. In this embodiment, four guiding grooves 2 are selected for specific description, which does not limit the protection scope of the present invention.

[0023] In a preferred embodiment, sliding grooves are arranged on both sides of the inner wall of the guiding groove 2, and the sliding grooves are arranged in cooperation with the slider 3. The arrangement of the sliding grooves is to limit the slider 3. When the screw 8 rotates, the slider 3 will not rotate and moves along the guiding groove 2 and the sliding grooves driven by the screw 8, which is convenient for adjusting the position of the slider 3 to meet components of different sizes. Specifically, the screw 8 penetrates through the slider 3, one end is movably connected with the guiding groove 2, and the other end extends to the outside of the bottom plate 1. A nut is arranged at the end of the screw 8 located outside the bottom plate 1.

[0024] In a preferred embodiment, the clamping arm 5 and the fixing arm 4 are temporarily fixed by a fixing pin. By manually disassembling the fixing pin, and then manually sliding the clamping arm 5 along the fixing arm 4 to a suitable height, and then fixing the clamping arm by the fixing pin to meet the coating requirements of components of different thicknesses.

[0025] In a preferred embodiment, scale marks 7 are arranged on the bottom plate 1, and the scale marks 7 correspond to at least three diameter sizes of mirrors. It should be noted that in this embodiment, four groups of annular scale marks 7 are arranged on the bottom plate 1, but it is not limited to four. This is only a preferred solution in this embodiment and cannot be used to limit the protection scope of the present invention. Additionally, it should be noted that marking four scales does not mean that it can only adapt to four sizes of mirrors. The four sizes can be selected according to the common sizes of products. For mirrors with sizes other than these four sizes during use, as long as their sizes are between the largest size and the smallest size of these four sizes, the slider 3 can be adjusted to adapt. In this case, the four size marks can be used as a reminder and reference.

[0026] When the utility model is in use, first rotate the screw rod 8 to adjust the slider 3 to a suitable position to meet the requirements of the mirror with the corresponding diameter size. Then, adjust the height of the clamping arm 5 relative to the fixed arm 4 to meet the requirements of the mirror size with different thicknesses. After that, fix the mirror longitudinally and horizontally through the edge pressing 6 of the clamping arm 5 and the slider 3 to meet the requirements of the mirror coating with different diameter sizes and thickness sizes.

[0027] The above is only the preferred embodiment of the present invention. It should be noted that for those of ordinary skill in the art, without departing from the principle of the present invention, several improvements and refinements can be made, and these improvements and refinements should also be regarded as the protection scope of the present invention. The structures, devices, and operation methods not specifically described and explained in the present invention are implemented according to the conventional means in the art without special description and limitation.

Claims

1. A mirror coating fixture, characterized in that: It includes a bottom plate, a guiding groove is formed on the bottom plate, and a slider capable of moving along the guiding groove driven by a screw rod is arranged in the guiding groove. A fixing arm is arranged at the top of the slider, and a clamping arm capable of sliding to adjust the height and being temporarily fixed is arranged on the fixing arm. A pressing edge is arranged at the top end of the clamping arm, and an elastic cushion layer is arranged on the surface of the pressing edge facing the mirror.

2. The mirror coating fixture according to claim 1, wherein: The guiding grooves are arranged in a circumferential array along the bottom plate, and the number is not less than three.

3. The mirror coating fixture according to claim 2, wherein: Chute grooves are arranged on both sides of the inner wall of the guiding groove, and the chute grooves are arranged in cooperation with the slider.

4. The mirror coating fixture according to claim 1, wherein: The clamping arm and the fixing arm are temporarily fixed by a fixing pin.

5. The mirror coating fixture according to claim 1, wherein: Scale marks are arranged on the bottom plate, and the scale marks correspond to mirrors with at least three diameter sizes.

6. The coating fixture for a mirror according to claim 1, characterized in that: The screw rod penetrates through the slider, one end is movably connected with the guiding groove, and the other end extends to the outside of the bottom plate. A nut is arranged at the end of the screw rod located outside the bottom plate.

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