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Aspheric surface paperweight magnifying lens and manufacturing method thereof

A technology of aspheric lens and magnifying glass, which is applied in the field of aspheric paperweight magnifying glass and its preparation, can solve the problems of complex structure, light weight, addition, etc., and achieve the effects of large observation range, large magnification and reasonable design

Active Publication Date: 2017-05-31
南阳乐恩光电有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Existing magnifying glasses and paperweights are made separately. When using a magnifying glass alone, when it is necessary to observe wrinkled or curled documents, it is generally necessary to hold the magnifying glass in one hand and smooth the document with the other hand. You cannot do other things during observation, such as recording, etc. ; and when using a magnifying glass and a paperweight at the same time, they need to be taken and managed separately, which adds some troubles in details; in recent years, a paperweight magnifying glass has appeared on the market, but it has not been recognized by consumers after entering the market. There are mainly the following defects: 1. Light weight, unable to play the role of paperweight; 2. The magnification ratio of the document is low; 3. The enlarged text or image is deformed and causes the problem of inconvenient observation and small observation range; 4. The structure is complex , The appearance is rough, and the magnifying glass is easy to fall off from the installation frame

Method used

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  • Aspheric surface paperweight magnifying lens and manufacturing method thereof

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preparation example Construction

[0014] A preparation method of an aspheric paperweight magnifying glass, comprising the steps of:

[0015] Step 1: Use ZJP0.5 hem fine grinding and polishing machine and SPCM-M1 centering edging machine to cold process the aspheric lens blank until it meets the appearance inspection standard of MIL40-20, and the aspheric lens blank is an aspheric surface magnifying glass lens 1;

[0016] Step 2: The metal ferrule 2 is processed by a single-point car-type integrated non-marking processing method. After processing, the inner diameter of the metal ferrule is equal to the outer diameter of the aspheric magnifying glass lens 1;

[0017] Step 3: Use a muffle furnace to heat the metal ferrule 2 processed in step 2, heat the metal ferrule 2 to 580-620°C, and use the principle of thermal expansion and contraction to make the inner diameter of the metal ferrule 2 expand when heated Heat preservation is carried out when the expansion is 0.8mm to 1.2mm, and the aspheric magnifying glass ...

Embodiment 1

[0022] An aspheric paperweight magnifying glass comprises an aspheric magnifying glass lens 1 and a metal ferrule 2 arranged outside the aspheric magnifying glass lens 1 , the outer diameter of the aspheric magnifying glass lens 1 is equal to the inner diameter of the metal ferrule 2 . The aspheric magnifying glass lens 1 is clamped inside the metal ferrule 2 . The metal ferrule 2 is made of food grade 304 stainless steel.

[0023] A preparation method of an aspheric paperweight magnifying glass, comprising the steps of:

[0024] Step 1: Use ZJP0.5 hem fine grinding and polishing machine and SPCM-M1 centering edging machine to cold process the aspheric lens blank until it meets the appearance inspection standard of MIL40-20, and the aspheric lens blank is an aspheric surface magnifying glass lens 1;

[0025] Step 2: The metal ferrule 2 is processed by a single-point car-type integrated non-marking processing method. After processing, the inner diameter of the metal ferrule i...

Embodiment 2

[0029] An aspheric paperweight magnifying glass comprises an aspheric magnifying glass lens 1 and a metal ferrule 2 arranged outside the aspheric magnifying glass lens 1 , the outer diameter of the aspheric magnifying glass lens 1 is equal to the inner diameter of the metal ferrule 2 . The aspheric magnifying glass lens 1 is clamped inside the metal ferrule 2 . The metal ferrule 2 is made of food grade 304 stainless steel.

[0030] A preparation method of an aspheric paperweight magnifying glass, comprising the steps of:

[0031] Step 1: Use ZJP0.5 hem fine grinding and polishing machine and SPCM-M1 centering edging machine to cold process the aspheric lens blank until it meets the appearance inspection standard of MIL40-20, and the aspheric lens blank is an aspheric surface magnifying glass lens 1;

[0032] Step 2: The metal ferrule 2 is processed by a single-point car-type integrated non-marking processing method. After processing, the inner diameter of the metal ferrule i...

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Abstract

The invention provides an aspheric surface paperweight magnifying lens and a manufacturing method thereof. The aspheric surface paperweight magnifying lens comprises an aspheric surface paperweight magnifying lens body and a metal ferrule arranged on the exterior of the aspheric surface paperweight magnifying lens body, and the outer diameter of the aspheric surface paperweight magnifying lens body is equal to the inner diameter of the metal ferrule. The aspheric surface paperweight magnifying lens has the advantages that the aspheric surface paperweight magnifying lens is simple in structure, reasonable in design, firm, reliable, attractive and elegance in appearance, and large in file magnifying power, magnified characters or images do not deform, the observation range is large, and the aspheric surface paperweight magnifying lens is suitable for being used as a paperweight.

Description

technical field [0001] The invention belongs to the technical field of paperweight magnifying glasses, and in particular relates to an aspherical paperweight magnifying glass and a preparation method thereof. Background technique [0002] Existing magnifying glasses and paperweights are made separately. When using a magnifying glass alone, when it is necessary to observe wrinkled or curled documents, it is generally necessary to hold the magnifying glass in one hand and smooth the document with the other hand. You cannot do other things during observation, such as recording, etc. ; and when using a magnifying glass and a paperweight at the same time, they need to be taken and managed separately, which adds some troubles in details; in recent years, a paperweight magnifying glass has appeared on the market, but it has not been recognized by consumers after entering the market. There are mainly the following defects: 1. Light weight, unable to play the role of paperweight; 2. ...

Claims

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Application Information

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IPC IPC(8): G02B25/00
CPCG02B25/002
Inventor 张峰
Owner 南阳乐恩光电有限公司
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