Static pressure supporting device for ultra large diameter optical machining
A technology of optical processing and static pressure support, applied in metal processing equipment, optical surface grinders, manufacturing tools, etc., can solve the problems of complex structure of static pressure support device, poor balance of moving parts, and inability to mass production, and achieve high optical The processing support accuracy, the output force accuracy are controllable, and the effect of mass production is convenient
Active Publication Date: 2015-06-10
CHANGCHUN INST OF OPTICS FINE MECHANICS & PHYSICS CHINESE ACAD OF SCI
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[0005] The purpose of the present invention is to provide a static pressure support device for ultra-large aperture optical processing in order to solve the problems of the existing static pressure support device with complex structure, poor balance of moving parts, poor positioning performance, and incapability of mass production
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[0020] combine Figure 1 to Figure 3 Describe this embodiment, a hydrostatic support device for ultra-large diameter optical processing, the device includes a piston 1, a gasket 2, a rolling diaphragm 3, a diaphragm pressing plate 4, a cylinder cover 5, a cylinder radial limit Positioning structure 6, screw plug 7, radial limiting structure 8 of the force bearing body, sealing ring 9, diaphragm protection sheet 10 and upper limiting structure 11 of the cylinder body, the side surface of the piston 1 is provided with a horizontal-vertical central hole , the cylinder radial limit structure 6 is a boss through hole structure, the cylinder radial limit structure 6 is connected with the vertical center hole in the horizontal-vertical center hole of the piston 1, and the piston 1 and the gasket 2 pass through the middle The flanges are in contact, the gasket 2 and the cylinder cover 5 are connected through the brim of the rolling diaphragm 3, and the brim of the rolling diaphragm 3 ...
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The invention provides a static pressure supporting device for ultra large diameter optical machining and belongs to the technical field of static pressure supporting. The static pressure supporting device for ultra large diameter optical machining comprises a piston, a spacer, a rolling membrane, a membrane pressing sheet, a cylinder body cover, a cylinder body radial limiting structure, a screwed plug, a stress receiving body radial limiting structure, a sealing ring and a cylinder body upper limiting structure. A horizontal central hole and a vertical central hole are formed in the side surface of the piston. The cylinder body radial limiting structure is connected with the vertical central hole of the piston. The spacer is connected with cylinder body cover through the rolling membrane. The rolling membrane is provided with the membrane pressing sheet. The piston is connected with the rolling membrane and the membrane pressing sheet through threaded holes. A counter bore, a threaded blind hole and an exhaust vent are formed in the center of the top of the cylinder body cover. The stress receiving body radial limiting structure is arranged in the counter bore of the cylinder body cover. The cylinder body upper limiting structure is connected with the spacer. The screwed plug is arranged in the threaded blind hole and used for compressing the sealing ring arranged in the threaded blind hole. The static pressure supporting device for ultra large diameter optical machining is good in self-balance performance, low in cost, and high in optical machining supporting accuracy.
Description
technical field [0001] The invention belongs to the technical field of static pressure support, and in particular relates to a static pressure support device for ultra-large diameter optical processing. Background technique [0002] In order to save manufacturing and transportation costs, the lens of large-diameter optical remote sensors is generally designed as a lightweight thin-walled structure with a large aspect ratio, and is connected to the opto-mechanical system through several support points. The flexural rigidity of different positions of the mirror surface is different. When the grinding head is pressed against the weak part of the mirror surface, the mirror surface collapses and cannot be removed, and the material is removed at the thicker mirror surface or the position of the lens support point; when the grinding head is withdrawn, the weak part will rebound to form a bulge, which is the copy effect. The copying effect of optical processing is unavoidable, but ...
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IPC IPC(8): B24B13/005
Inventor 胡海飞罗霄郑立功张学军
Owner CHANGCHUN INST OF OPTICS FINE MECHANICS & PHYSICS CHINESE ACAD OF SCI
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