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Plastic injection lens mold

A mold and lens technology, which is applied in the field of plastic injection lens molds, can solve the problems of time-consuming and complicated operation, and achieve the effect of convenient operation

Inactive Publication Date: 2011-03-30
ZHONGSHAN LI JIAXIN PLASTIC PROD CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At this time, because the mold core and the module are fixed, it is generally necessary to screw out the first screw joint, disassemble the back plate and the mold core, and then adjust the mold core. The operation is complicated and time-consuming

Method used

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  • Plastic injection lens mold
  • Plastic injection lens mold
  • Plastic injection lens mold

Examples

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Embodiment Construction

[0012] The embodiments of the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0013] see figure 1 and figure 2 , a plastic injection lens mold 10 according to a preferred embodiment of the present invention, which includes a module 110 , a mold core 120 , a back plate 130 , a positioning member 140 and a fixing member 150 .

[0014] Please also refer to image 3 and Figure 4 The module 110 includes a parting surface 112 and a mounting surface 114 opposite to the parting surface 112 . In this embodiment, the shape of the module 110 is square. The module 110 defines a core hole 116 passing through the parting surface 112 and the mounting surface 114 . The core hole 116 is circular in shape and includes a core core hole 116a and a core core hole 116b. The core core hole 116a has a diameter smaller than that of the core core hole 116b. The parting surface 112 is also provided with two slots 118 surrounding the co...

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PUM

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Abstract

The invention discloses a plastic injection lens mold, which comprises a mold block, a mold insert, a positioning piece, a back plate and a fixing piece. The mold block comprises a mounting face. A mode insert hole running through the mold block is formed on the mounting face. The mold insert can be accommodated in the mold insert hole rotationally. The mold insert comprises a first surface in the same direction as the mounting face and the first surface has a first screw hole. The back plate has a mounting hole which corresponds to the first screw hole. The positioning piece comprises a first screwed part which passes through the mounting hole to be screwed in the first screw hole to limit the mold insert in the mold insert hole rotationally together with the back plate. The fixing piececomprises a second screwed part. The positioning piece has a second screw hole opposite to the second screwed part. The second screwed part is screwed in the screw hole and pressed against the back plate to limit the rotation of the mold insert in the mold insert hole. In the plastic injection lens mold, the back plate is fixed on the mold block by the positioning piece and the mold insert, the fixing piece and the positioning piece are connected detachably, and thus, the mold insert can be adjusted in the mold insert hole by regulating the fixing piece and the positioning piece simply without detaching the back plate.

Description

technical field [0001] The invention relates to a mold, in particular to a plastic injection lens mold. Background technique [0002] At present, plastic injection lens molds generally include a module, a mold core and a back plate. Modules include a parting surface. The parting surface is provided with a core hole that runs through the module. The mold core is accommodated in the mold core hole, and a screw hole is provided at the end opposite to the parting surface. The back plate is placed on the surface of the module opposite to the parting surface, and has through holes aligned with the screw holes. The plastic injection lens mold also includes a first threaded part. The first threaded portion passes through the through hole and is screwed into the threaded hole to fix the back plate and the core to the module. [0003] When molding a lens, the position of the mold core in the mold core hole will affect the eccentricity accuracy of the injected lens. Therefore, if...

Claims

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Application Information

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IPC IPC(8): B29C45/26B29L11/00
Inventor 黄建峰
Owner ZHONGSHAN LI JIAXIN PLASTIC PROD CO LTD
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