Unlock instant, AI-driven research and patent intelligence for your innovation.

Insert molding method and device

A technology of insert molding and inserts, applied in the direction of coating, etc., can solve the problem of no resin

Inactive Publication Date: 2010-10-06
HONDA MOTOR CO LTD
View PDF2 Cites 22 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, in this case, because there will be a space (pin track) without resin formed after the support pin withdraws from the cavity on the insert molded body, there is a possibility that this space has to be processed twice. The problem of injecting molten resin to bury the pinch

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Insert molding method and device
  • Insert molding method and device
  • Insert molding method and device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0023] First, refer to figure 1 The structure of the insert molding apparatus 1 related to the first embodiment of the present invention will be described.

[0024] Such as figure 1 As shown, the insert molding apparatus 1 of this embodiment is used for injection molding an insert-molded product having an insert 2 , and the insert molding apparatus 1 is composed of a mold having a fixed mold 3 and a movable mold 4 . Between the fixed mold 3 and the movable mold 4, a cavity 5 having a shape matching the outer shape of the molded product is formed.

[0025] The fixed mold 3 is provided with a runner 7 , and the runner 7 communicates with the mold cavity 5 through the gate 6 arranged at the lower part of the mold cavity 5 . The flow path 7 communicates with a molten resin injection nozzle (not shown). Furthermore, the fixed mold 3 has support pins 8 a , 8 b , and 8 c provided so as to be able to freely enter and exit the cavity 5 . Here, the support pin 8a is provided closest...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

An insert molding method and device that does not require secondary injection of molten resin uses a metallic mold which forms a cavity 5 between a front cavity 3 and a rear cavity 4, and is provided with a process of retaining an inserted object 2 inside the cavity 5 by a retaining pin 8, a process of flowing a molten resin inside the cavity 5, a process of detecting a positional relationship between a flow front of the molten resin and the retaining pin 8, and a process of retreating the retaining pin 8 when it is detected that the flow front is at a predetermined position. The device is provided with the front cavity 3, the rear cavity 4, the retaining pin 8, a retaining pin controlling means 10, and a flow front position detecting means 11.

Description

technical field [0001] The present invention relates to an insert molding method and an insert molding device. technical background [0002] In the prior art, for example, according to Japanese Patent No. 3962295, there is known a method of forming an electronic substrate sealed with a resin by insert injection molding. [0003] The insert injection molding method described above utilizes a mold that forms a cavity between a fixed mold and a movable mold, and supports an electronic substrate as an insert by support pins provided so as to freely enter and exit the cavity. Then, after the molten resin is once injected into the cavity, the support pin is retracted from the cavity, thereby obtaining a resin-embedded electronic substrate as an insert molded body. [0004] However, in this case, because there will be a space (pin track) without resin formed after the support pin withdraws from the cavity on the insert molded body, there is a possibility that this space has to be ...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Applications(China)
IPC IPC(8): B29C45/14B29C45/76B29C45/17B29C33/14
CPCB29C45/14073B29C2045/1409
Inventor 小林正俊万谷俊一
Owner HONDA MOTOR CO LTD