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Device for detecting mould impermeability

A technology for detecting mold and airtightness. It is applied in the direction of measuring the increase and decrease rate of the fluid, and using the liquid/vacuum degree to measure the liquid tightness. It can solve the problems of high driving pressure of the water pump and low efficiency of manual pressurization, and achieve high efficiency. high effect

Inactive Publication Date: 2009-08-26
QINGDAO HISENSE MOLD
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AI Technical Summary

Problems solved by technology

[0003] The object of the present invention is to provide a device for detecting the airtightness of the mold, which uses compressed air to drive water into the mold, which solves the disadvantage of excessive driving pressure of the water pump, and also solves the disadvantage of low efficiency of manual pressurization

Method used

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  • Device for detecting mould impermeability

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Embodiment Construction

[0016] The present invention is described below in conjunction with accompanying drawing: a kind of device that detects mold tightness, comprises tank body 1, and tank body 1 is communicated with water inlet pipe 2, air inlet pipe 3 and water outlet air outlet pipe 4, and water inlet pipe 2 is connected with water source, The air inlet pipe 3 is connected with the air source, and the water outlet air pipe 4 is connected with the mould. The water inlet pipe 2 is provided with a water inlet valve 21, the air inlet pipe 3 is provided with an air inlet valve 31, and a pressure gauge 32 is arranged on the air inlet pipe 2 between the air inlet valve 31 and the tank body 1. A one-way valve 41 and a water and air outlet valve 42 are arranged in sequence on the water outlet and air outlet pipe 4 between them, and the one-way valve 41 can place the water in the mold to backflow. A connecting pipe 8 is provided between the air inlet pipe 3 and the water outlet pipe 4. One end of the con...

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Abstract

The invention discloses a device for detecting mould impermeability, belonging to the technical field of mould. The device comprises a tank body which is communicated with a water inlet pipe, an air inlet pipe and a water and air outlet pipe. The water inlet pipe is connected with a water source. The water and air outlet pipe is connected with the mould. The air inlet pipe is connected with an air source. The device drives water into the mould by compressed air, thereby overcoming the disadvantage that the drive pressure of a water pump is too high as well as the disadvantage of the low efficiency of manual pressurizing.

Description

technical field [0001] The invention relates to a device for detecting molds. Background technique [0002] At present, when testing the sealing performance of the mold, the method of adding water to the mold is often used. When injecting water into the mold, one method is to use a water pump to pump the water out of the water tank, and then enter the injection mold through the water pipe and the one-way valve. The disadvantage of this method is that the pressure cannot be controlled, and the water pipe is easy to burst; the other method It is to inject water into the mold by artificial pressurization, but this method is time-consuming and laborious, and the efficiency is low. Contents of the invention [0003] The purpose of the present invention is to provide a device for detecting the airtightness of the mold, which uses compressed air to drive water into the mold, which solves the disadvantage of excessive driving pressure of the water pump, and also solves the disadv...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01M3/02G01M3/26
Inventor 刘金刚郝鹏德刘毅
Owner QINGDAO HISENSE MOLD
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