Pin valve length detection method
A detection method and needle valve technology, applied in the direction of measuring devices, instruments, optical devices, etc., can solve the problems of reducing economic benefits, high labor intensity, and low detection accuracy, so as to improve economic benefits, reduce labor costs, and improve production efficiency effect
Inactive Publication Date: 2017-02-22
NINGBO UNIVERSITY OF TECHNOLOGY
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Problems solved by technology
[0003] At present, when detecting needle valves, the number of turns of the needle valve is generally adjusted manually. This manual adjustment method cannot accurately rotate the distance of each turn during detection, and errors often occur, and the detection accuracy is low. Moreover, manual adjustment is labor-intensive, prone to errors, and high labor costs, which greatly reduces the economic benefits of the enterprise.
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[0020] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.
[0021] see figure 1 , figure 2 and image 3 As shown, a specific embodiment of a method for detecting the length of a needle valve in the present invention. A detection device for the length of a needle valve, comprising a stepping motor 1, the front end of the stepping motor 1 is provided with an output shaft 10, the output shaft 10 is provided with a first disc 21, and the first disc 21 A second disc 22 is arranged parallel to the upper side of the second disc 22, and four notches 220 are arranged on the second disc 22, and the notches 220 are uniformly arranged on the second disc 22, and in the notches 220 A supporting plate 3 is arranged inside, a V-shaped groove 30 is arranged in the middle of the upper end of the supporting plate 3, and two bosses 31 are arranged in parallel on the supporting plate 3, and the bosses 31 are ...
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The invention discloses a pin valve length detection method, and belongs to the technical field of pin valves. The detection device used by the pin valve length detection method comprises a stepping motor. The output shaft of the stepping motor is provided with a first circular disc. The upper side of the first circular disc is provided with a second circuit disc in parallel. The second circuit disc is provided with four notches which are internally provided with supporting plates. The middle part of the upper end of each supporting plate is provided with a V-shaped groove. The supporting plates are provided with a first position, a second position, a third position and a fourth position. The supporting plate of the first position and the supporting plate of the third position are arranged on the same horizontal line. Compared with the methods in the prior art, the length of the pin valve is detected by the detection device and the detection method so that automatic detection of the length of the pin valve can be realized, the pin valves of the qualified and unqualified length can be automatically classified without manual operation, the production efficiency can be enhanced, the requirements of the manufacturing enterprises at home and abroad can be met and the economic benefits of the enterprises can be greatly enhanced.
Description
technical field [0001] The invention belongs to the technical field of needle valves, in particular to a method for detecting the length of a needle valve. Background technique [0002] There are two types of needle valves, one is used in the pipeline, mainly for throttling and decompression, and the other is used for maintenance (adding fluoride, refueling), a bit like a one-way valve, through the plug inside the fluoride hose connector Open. The needle valve is a slender and tapered needle, suitable for throttling in the low flow range. In addition, the needle valve is also used for maintenance. For example, there is a needle valve on the centrifuge of a company. When maintaining and debugging, it can be connected with a pressure gauge to debug and repair the unit. [0003] At present, when detecting needle valves, the number of turns of the needle valve is generally adjusted manually. This manual adjustment method cannot accurately rotate the distance of each turn durin...
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IPC IPC(8): G01B11/02
CPCG01B11/02
Inventor 陈永清陈廉清程晓民黄雪华
Owner NINGBO UNIVERSITY OF TECHNOLOGY