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Sensor for alignment of mould core, sensing method, and mould composition of possessing the sensor for alignment

A mold combination and detector technology, applied in the field of mold alignment detectors, can solve problems affecting the assembly yield of the optical system, the degradation of the optical quality of the lens, and the deviation of the optical axis of the optical lens, so as to facilitate the control of quality parameters and the use of Simple and convenient, the effect of prolonging the service life

Inactive Publication Date: 2007-10-10
HONG FU JIN PRECISION IND (SHENZHEN) CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

During the mold opening and closing process, the alignment deviation between the male mold core and the concave mold cavity will cause the phenomenon of optical axis deviation (Decenter) in the formed optical lens.
Especially when molding a lens with aspheric surfaces on both sides, this small deviation will greatly reduce the optical quality of the lens and seriously affect the assembly yield of the optical system using the lens

Method used

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  • Sensor for alignment of mould core, sensing method, and mould composition of possessing the sensor for alignment
  • Sensor for alignment of mould core, sensing method, and mould composition of possessing the sensor for alignment
  • Sensor for alignment of mould core, sensing method, and mould composition of possessing the sensor for alignment

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Embodiment Construction

[0018] A mold-to-core detector for detecting the offset of mold opening and closing positions, a mold combination having the mold-to-core detector, and a method for detecting mold-to-core will be described below with examples.

[0019] Please refer to FIG. 1 , which is a mold-to-core detector 100 provided by Embodiment 1, which includes a light-emitting module 10 , a light-receiving module 20 and a signal processing device 30 .

[0020] The light emitting module 10 includes a light emitting device 12 and a first fixed base 14. The light emitting device 12 is located on the first fixed base 14 for generating a parallel projection light beam. In this embodiment, the light-emitting device 12 includes a light-emitting cavity 111, a light-emitting source 121 and a collimating lens 131, the light-emitting cavity 111 has a first light-transmitting region 112, the light-emitting source 121 and the collimating lens 131 is disposed in the light emitting cavity 111 , and the light emitte...

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Abstract

A central aligning detector for mould set used to make optical lens is composed of a light emitting module for emitting a parallel light beam, a light receiving module for receiving said parallel light beam and generating a signal, and a signal processing unit for processing said signal. Its detecting method and the mould set with said central aligning detector are also disclosed.

Description

【Technical field】 [0001] The present invention relates to a mold core detector, in particular to a mold core detector for detecting the position offset of mold opening and closing, and a mold combination and a mold assembly having the mold core detector. The detection method of the core of the mold. 【Background technique】 [0002] With the vigorous development of the optoelectronic industry in recent years, optical lenses have been widely used in many fields such as optoelectronic communications, digital camera lenses, and LED lighting systems due to their advantages of light weight, low cost, and good impact resistance. [0003] At present, the optical lens molding technology mainly includes injection molding, casting molding and compression molding and other technologies. All these optical lens molding technologies are to make the quantitative optical resin / plastic material that has been heated and become fluid in the mold under heating and pressure conditions, and then a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C33/30
Inventor 张仁淙
Owner HONG FU JIN PRECISION IND (SHENZHEN) CO LTD