Core-taking fixture structure
A technology of fixtures and clamping parts, applied in the direction of manufacturing tools, workpiece clamping devices, etc., can solve problems such as difficulty in ensuring fixture rigidity, difficulty, and easy damage, and achieve the effects of improving overall performance, reducing vibration, and improving product quality
Inactive Publication Date: 2016-04-20
FUJIAN FORECAM OPTICS CO LTD
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Problems solved by technology
[0002] Lens coring is a common process in the lens processing process, but for some lenses made of special materials, this process is very difficult. Only with reliable clamping force can the surface of the lens not be damaged due to sliding or uneven force bearing. If the material used for the contact part of the clamp and the lens is similar to that of the lens, the contact effect and friction between the surfaces of similar materials can be used. It meets the clamping force requirements during processing, but the traditional fixture is integrally formed with a single material. When the lens material has poor rigidity, if the fixture is made of a material similar to the lens, it is difficult to ensure the rigidity of the fixture, and it is difficult to connect with the external transmission mechanism. Guaranteed transmission accuracy or easy damage
Method used
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[0023] When this product is used to process lenses, the operator takes the front clamping part 4 formed of a material with the same or similar friction coefficient and rigidity as the lens body material and inserts it into the mounting hole 5 on the base 1 according to the lens material. Inject the adhesive into the mounting hole 5 through the glue injection hole 3, glue and fix the front clamping part 4 in the mounting hole 5, and then connect the base of the product to the external machine through the connecting hole at the base 1. At the transmission mechanism, the lens to be processed is clamped and fixed on the front clamping part 4, and the machine is started to core the lens.
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The invention discloses a core-taking fixture structure for clamping lenses in a lens core-taking procedure. The core-taking fixture structure comprises a base and a front end clamping part, wherein the base is formed from high-rigidity materials; a connecting hole butted with an external machine table transmission mechanism is formed in the lower part of the base, a mounting hole for fixing the front end clamping part is arranged at the upper part of the base, and a glue injection through hole is formed in the side wall of the mounting hole; when a fixture is used for machining the lenses, the front end clamping part is formed from a material with same or similar friction coefficient and rigidity with those of a lens body, is inserted into the mounting hole and is adhered to the base by virtue of an adhesive. Different parts of the fixture are made of different materials, so that the lenses can be stably clamped when the rigidity of the fixture is guaranteed.
Description
technical field [0001] The invention relates to the field of optical lens processing, in particular to a core-taking jig structure. Background technique [0002] Lens coring is a common process in the lens processing process, but for some lenses made of special materials, this process is very difficult. Only with reliable clamping force can the surface of the lens not be damaged due to sliding or uneven force bearing. If the material used for the contact part of the clamp and the lens is similar to that of the lens, the contact effect and friction between the surfaces of similar materials can be used. It meets the clamping force requirements during processing, but the traditional fixture is integrally formed with a single material. When the lens material has poor rigidity, if the fixture is made of a material similar to the lens, it is difficult to ensure the rigidity of the fixture, and it is difficult to connect with the external transmission mechanism. Ensure the transmi...
Claims
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IPC IPC(8): B25B11/00
CPCB25B11/00
Inventor 何丽兵何武强何灵敏夏礼锟
Owner FUJIAN FORECAM OPTICS CO LTD