Processing method for beveling of disc lens, and beveling processing device

A processing method and a technology of a processing device, which are applied in the field of chamfering of disc-shaped lenses, can solve the problems of being unable to adapt to the chamfering of disc-shaped lenses, and achieve the effects of uniform chamfering, high efficiency, and good quality

Pending Publication Date: 2019-04-02
LENS TECH CHANGSHA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The patent application still involves the clamping assembly and the frustum-shaped grinding wheel grinder, so the lens edging and chamfering machine obviously cannot adapt to the processing of disc-shaped lens chamfering in the present invention

Method used

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  • Processing method for beveling of disc lens, and beveling processing device
  • Processing method for beveling of disc lens, and beveling processing device

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Embodiment Construction

[0021] Specifically, the sapphire camera lens to be chamfered in the present invention is a small disc with a diameter of 3mm and a thickness of 0.5mm, and its straight body needs to be chamfered by 0.05-0.15mm to ensure that the product is smooth and natural. The present invention adopts following technical scheme to realize, comprises the steps:

[0022] The first step is to prepare the machine. The length of the beveling grinding wheel is designed to be 50mm and the diameter is 50mm. The beveling grinding wheel is coated with 800# diamond grit, and the grinding wheel is installed on the small milling bed machine. The machine model is X1514B.

[0023] The second step is to prepare the base and design a cuboid iron block with the dimensions: 70mm in length, 50mm in width, and 30mm in height, and fix it under the grinding wheel with screws. When fixing, the length direction of the iron block is 70mm in the same direction as the length direction of the grinding wheel. Leave two...

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Abstract

The invention provides a processing method for beveling of disc lens. The method comprises: using a beveling processing device including a transverse cylindrical grinding wheel, a tensioning piece anda support table, wherein an outer circular surface of the grinding wheel is provided with sand grains for grinding a lens to form a beveling, and length of the cylindrical grinding wheel is more thanone time of perimeter of a disc lens, laying the disc lens which is to be processed with the beveling on the support table, height of the tensioning piece being larger than or equal to thickness of the disc lens. On one hand, the tensioning piece is used to press the lens to the outer circular surface of the grinding wheel on a horizontal direction, and on the other hand, when the tensioning piece is pulled horizontally along the length direction of the grinding wheel, the tensioning piece is used to make the lens rotate for more than a circle in a horizontal plane in a translation process along the length direction of the grinding wheel with autorotation of the grinding wheel, to grinding and process to obtain a circular beveling of the lens. The processing method can make a lens productnot wasted by falling, and beveling uniformity quality is good, and the method is simple in process and high in efficiency.

Description

technical field [0001] The invention belongs to the technical field of processing sapphire or glass lenses, and in particular relates to a processing method for chamfering a disc-shaped lens, such as a sapphire camera lens. Background technique [0002] Sapphire is a multifunctional oxide crystal integrating excellent optical properties, physical properties and chemical properties. It has a unique crystal structure, wear resistance and wind erosion resistance. The above characteristics make sapphire lenses widely used in mobile phone fingerprint identification covers and camera lenses. [0003] For example, a sapphire camera lens is a small disc with a diameter of 3mm and a thickness of 0.5mm. Its straight body needs to be chamfered by 0.05-0.15mm to ensure that the product is smooth and natural. Make a round edge. The processing method currently adopted is processing with a profiling machine. Specifically, in the profiling machine, the sapphire small disc is set so that i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B24B9/08
CPCB24B9/08
Inventor 饶桥兵聂小威
Owner LENS TECH CHANGSHA
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