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Insulating basin casting mould structure and demoulding method

A technology for insulating pots and pouring molds, which is used in household components, applications, household appliances, etc., can solve the problems of waste products, product defects, easily damaged molds and pouring parts, etc., so as to prolong the service life, improve production efficiency, and improve pouring products. quality effect

Active Publication Date: 2010-12-29
CHINA XD ELECTRIC CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The demoulding method commonly used at present is to use mechanical methods to force the insulating product to be separated from the mold, which is easy to damage the mold and castings, and may cause internal defects in the product during the demoulding process, resulting in waste products

Method used

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  • Insulating basin casting mould structure and demoulding method
  • Insulating basin casting mould structure and demoulding method
  • Insulating basin casting mould structure and demoulding method

Examples

Experimental program
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Embodiment 1

[0022] Single-phase pot insulator casting mold structure and pneumatic demoulding method:

[0023] Such as figure 1 , figure 2 As shown, compared with the original casting mold, the casting mold structure has increased the stripping plate 11 and the air nozzle 6 on it, and the air nozzle 6 is used to quickly connect the compressed air joint 4; the stripping plate 11 is connected with the positioning sleeve 8 with the positioning nail 9 A sealed air chamber 7 for demoulding is formed in the center of the positioning sleeve, and the air chamber 7 communicates with the gas nozzle; the special screw 5 for the central conductor is connected with the central conductor 10 of the insulating basin through the stripping plate, and the central conductor is positioned.

[0024] When demolding, first separate the male and female molds 1 and 2, and leave the cast part on the side of the female mold 2; remove the special screw 5 for the central conductor, and install a sealing plug 3 in th...

Embodiment 2

[0026] Three-phase pot insulator casting mold and pneumatic demoulding method:

[0027] Such as image 3 , Figure 4 As shown, since the three-phase pot insulator has three non-centrosymmetric central conductors for positioning, it is necessary to design three demoulding structures and air chambers of different sizes during demoulding by air pressure, so that the insulator can be stressed stably during demoulding. Escaped smoothly. The demoulding process of the casting mold of the three-phase pot insulator is basically the same as that of the single-phase pot insulator.

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Abstract

The invention discloses an insulating salver casting mould structure and a stripping method. Before casting, a casting mould positioning sleeve is connected with a pneumatic stripping device which is provided with an air nozzle and a spare plug; after the casting, a male mould and a female mould are separated first, and an insulating salver casting member is remained at one side of the female mould; a special screw nail connected with a central conductor through the pneumatic stripping device is removed and replaced by the spare sealing plug of the pneumatic stripping device, so a sealed air chamber for stripping is formed in the center of the positioning sleeve; a compressed air connector connected with a high-pressure air source is communicated with the air chamber through the air nozzle of the pneumatic stripping device, the insulating salver casting member is blown out of the male mould by high-pressure air along with the instant rise of air pressure after a compressed air valve is opened, and then a stripping course is completed. The invention has standard operation of the stripping of the casting mould and can not easily destroy the moulds and the casting member, thereby obviously improving the production efficiency and the quality of casting products.

Description

technical field [0001] The invention relates to a pouring mold structure and a demoulding method for epoxy insulation products, in particular to a pouring mold structure and a demoulding method for insulating pots used in the high-voltage electrical industry. Background technique [0002] At present, the epoxy casting process is widely used in the production of high-voltage electrical insulation basins. Epoxy castings play a key insulating role in high-voltage electrical products due to their good appearance, mechanical strength and electrical performance characteristics. The characteristics of this process are: high production efficiency, high surface roughness of products, no secondary processing, and products with complex structures can be formed at one time. [0003] The key link of the epoxy casting process is the structure of the casting mold and the quality of the installation and demoulding, especially the demoulding process is very important to the performance of th...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B29C39/34B29C39/36B29L31/00B29C39/10B29K63/00
Inventor 刘宏斌赵铜剑颜晨光邓迎军
Owner CHINA XD ELECTRIC CO LTD