A valve body automatic detection device and method thereof
An automatic detection device and valve body technology, which is applied in the direction of liquid tightness measurement using liquid/vacuum degree, and by measuring the increase and deceleration rate of fluid, etc., can solve the problem that the detection results are easily affected by human factors, the consistency of detection parameters is poor, and the work Low efficiency and other problems, to avoid human error detection and missed detection, ensure consistency, improve work efficiency
Active Publication Date: 2018-06-29
黄山市屯溪工程塑料厂
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[0009] In order to overcome the above problems, the present invention provides an automatic detection device for valve bodies, which aims to reform the existing detection method of water immersion, and solve the problem of high labor intensity, low work efficiency, detection results easily affected by human factors, and detection parameters. poor consistency
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[0031] Please also refer to Figures 1 to 3 , an automatic detection device for a valve body, especially for an automatic detection device for a drain valve 1 . The drain valve 1 has a water inlet pipe mouth 2 and a water outlet pipe mouth 3 . The above-mentioned device includes a mechanical operating system for realizing the blocking and inflation of the water inlet 2 and the outlet 3 of the drain valve, and an electrical control system for controlling the action of the mechanical operating system during the test.
[0032] Wherein, the mechanical operating system includes a first pneumatic mechanism located above the water inlet pipe mouth 2 of the drain valve, a second pneumatic mechanism located on the side of the water outlet pipe mouth 3 of the drain valve, and is used to place the fixing frame 4 of the drain valve 1 for The first pneumatic fixing frame 19 for installing the first pneumatic mechanism, and the second pneumatic fixing frame 18 for installing the second pne...
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The invention discloses an automatic detection device for a valve body, which includes a mechanical operating system for realizing blockage and inflation of the water inlet and outlet pipes of the valve body, and an electrical control system for controlling the action of the mechanical operating system during the test process. The invention also discloses an automatic detection method for the valve body. According to the process steps, actions and time of the detection of the drain valve, it is programmed into the programmable controller as required, and the programmable controller outputs instructions to control the corresponding relay to drive the solenoid valve to make the The pneumatic device completes the required actions according to the program to achieve the purpose of automatic detection. The invention adopts the program to control the first pneumatic mechanism and the second pneumatic mechanism to automatically complete the actions of each step, automatically control the inflation time and pressure holding time, and automatically detect the change of air pressure, so as to judge whether it is qualified or not, and completes the process from manual to machine and from manual to machine. Change from manual to automatic; at the same time, this device has changed the traditional water immersion detection method for many years, and completed the change from "wet" to "dry".
Description
technical field [0001] The invention relates to an automatic detection device for a valve body, in particular to a non-submerged automatic detection device for a drain valve and a detection method thereof. Background technique [0002] The drain valve is an important part of a fully automatic washing machine. With the continuous improvement of people's living standards, the demand for high-end household appliances is increasing, and the market demand for automatic washing machines is also growing rapidly. However, the factory inspection of the drain valve is an important link. But it has become a bottleneck restricting the increase of production. [0003] At present, the detection of drain valves in the industry still adopts the original manual detection method of immersion, that is, the water inlet and outlet of the drain valve are manually blocked, and then the valve cavity on the water inlet side and the water outlet side of the drain valve are filled respectively. Injec...
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IPC IPC(8): G01M3/28
Inventor 刘德九徐三友
Owner 黄山市屯溪工程塑料厂