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Earphone rubber-coating forming mould structure

A forming mold and rubber encapsulation technology, which is applied to household appliances, other household appliances, sensors, etc., can solve the problems of difficult control, inconvenient operability, long development cycle, etc., to achieve improved accuracy, simple structure, and prevent glue overflow problem effect

Inactive Publication Date: 2018-05-22
SYNERGY HANIL PRECISION POLYMER TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the characteristics of liquid silicone itself, and the traditional process is mostly based on liquid injection molding, its development cycle is long, the cost is high, and it is inconvenient to operate in some product processes.
As a result, flow properties are better than water in some cases, resulting in difficult handling during overmolding

Method used

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  • Earphone rubber-coating forming mould structure
  • Earphone rubber-coating forming mould structure
  • Earphone rubber-coating forming mould structure

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0025] The specific implementation manners of the present invention will be briefly described below in conjunction with the accompanying drawings.

[0026] like figure 1 , figure 2 , image 3 , Figure 4 , Figure 5 , Image 6 An earphone overmolding mold structure is shown, which is characterized in that it consists of a lower template 1, a middle template 5 and an upper template 9, and the lower template 1 is also provided with several lower mold positioning columns 2 and several lower molds Positioning holes 3 and several lower mold molding dies 4, any of the lower mold positioning columns 2 are located in the middle of the lower template 1, the lower mold positioning columns 2 are fixedly connected with the lower template 1, and any of the lower mold positioning holes 3 Located on one side of the lower mold positioning column 2, the lower mold positioning hole 3 is fixedly connected to the lower template 1, any of the lower mold forming molds 4 is located in the midd...

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Abstract

The invention aims to provide an earphone rubber-coating forming mould structure. According to the technical scheme, the earphone rubber-coating forming mould structure is composed of a lower mould plate, a middle mould plate and un upper mould plate; the lower mould plate is provided with lower mould positioning columns, lower mould positioning holes and lower mould forming moulds; the middle mould plate is provided with forming mould holes and middle mould positioning holes; the upper mould plate is provided with upper mould positioning columns, upper mould positioning holes and upper mouldforming moulds; and overflow grooves are further formed in the outer sides of all the forming mould holes and can prevent rubber from overflowing, so that formed products are more attractive. The flow-diving rubber-coating jig is simple in structure, the product forming stability is higher through the three-body closing type design mode, the rubber overflowing problem of the products after demoulding of the products can be prevented through the vertical flow-diving design, operation is safer and more environmentally friendly, and the quality and accuracy of the products are greatly improved.

Description

technical field [0001] The invention relates to the field of mechanical processing molds, in particular to an earphone overmolding mold structure. Background technique [0002] With the development of society, liquid silicone has good fluidity, fast vulcanization, safety and environmental protection, and can fully meet the requirements of food grade, and liquid silicone has excellent transparency, tear strength, resilience, anti-yellowing, thermal stability High resistance, water resistance, good air permeability, heat aging resistance and weather resistance, moderate viscosity, easy to operate, high transparency of the product, you can see whether there are defects such as bubbles in the casting material in the mold, the linear shrinkage rate is very small, and the replica It is widely used in many fields due to its many advantages such as precise size. However, due to the characteristics of liquid silicone itself, and the traditional process is mostly based on liquid inje...

Claims

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Application Information

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IPC IPC(8): B29C45/26B29C45/32B29C45/14B29L31/34B29K83/00
CPCB29C45/2616B29C45/14B29C45/2602B29C45/2669B29C45/32B29C2045/2671B29C2045/2683B29C2045/2697B29K2083/005B29L2031/3431H04R2231/003
Inventor 蒋青松魏俊峰
Owner SYNERGY HANIL PRECISION POLYMER TECH CO LTD
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