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Mold insert protective device and mold

A technology of protective devices and mold cores, which can be applied to home appliances, other home appliances, optical components, etc., and can solve problems such as optical lenses

Inactive Publication Date: 2010-01-20
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

If the molding surface of the mold core is polluted or damaged by external impurities, it will directly affect the quality of the optical lens

Method used

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  • Mold insert protective device and mold
  • Mold insert protective device and mold
  • Mold insert protective device and mold

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0014] Please also refer to figure 1 and figure 2 , which is the mold 30 provided by the first embodiment of the present invention, which includes the mold core protection device 10 , the template 22 and the mold core 24 installed on the template 22 . Wherein, the mold core protection device 10 is fixed on the template 22, and is used to protect the molding surface 240 of the mold core 24 installed on the template 22 from being polluted by external impurities and impacted by other objects.

[0015] The mold core protection device 10 has two fixing pieces 12 and a cylindrical protective cover 13 with one end open. The fixing member 12 fixes the protective cover 13 relative to the template 22 , and has two cylindrical fixing bodies 14 and a fixing beam 15 located on the two fixing bodies 14 . The fixing body 14 has a first screw hole 141 passing through the fixing body 14 along the length direction of the fixing body 14 . In this embodiment, the fixing body 14 is a cylinder,...

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Abstract

The invention relates to a mold insert protective device used to be arranged on a template with a mold insert. The mold insert is provided with a molding surface; and the mold insert protective device comprises a protective cover which is fixed relative to the template and covers the molding surface of the mold insert. The mold insert protective device can protect the molding surface of the mold insert from being polluted by outside impurities and being collided by other objects in the condition that the template with the mold insert is in a stationary state or in a moving state.

Description

technical field [0001] The invention relates to a mold core protection device which can be installed on a template to protect the molding surface of the mold core from pollution and damage, and a mold with the mold core protection device. Background technique [0002] At present, there are mainly two methods for manufacturing optical lenses: compression molding and injection molding. Compression molding technology is mainly used to manufacture optical lenses with a diameter of more than 100 mm (see "Quartz Glass Molding by Precision Glass Molding Method", Trans.IEE Jpn., pp.494-497, 2002); while injection molding is mainly used for batch The production of optical lenses with a diameter of less than 100 mm can also produce micro-lens arrays. [0003] To manufacture optical lenses by injection molding, firstly, the quantitative optical plastic that has been heated into a fluid is injected into the mold, then molded under heating and pressure conditions, and finally the mold i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C33/76B29C33/00B29L11/00
Inventor 吕育翰
Owner HONG FU JIN PRECISION IND (SHENZHEN) CO LTD
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