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Device for detecting sealing seat surface angle of needle valve body

A technology for detecting needles and valve bodies, which is applied in the direction of measuring devices, instruments, etc., can solve the problems of crashed probes, cumbersome detection methods, and unsuitable mass production detection methods, so as to reduce processing time and meet processing conditions easily , The effect of shortening the detection time

Pending Publication Date: 2021-01-08
山西柴油机工业有限责任公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In the prior art, the angle of the seat surface of the detection needle valve body is generally measured by a three-coordinate measuring instrument. Such a detection method is cumbersome. It is necessary to fix the outer circle of the part with a special fixture and find the corresponding cross-section before the relevant dimensions can be detected. , during the detection process, since the depth of the section corresponding to the seat surface of the needle valve body is 15 times the diameter, the detection personnel can only test according to the detection experience, and there is a risk of crashing the probe, and this method is a detection method for small batch production. Not suitable for high-volume production testing pathways

Method used

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  • Device for detecting sealing seat surface angle of needle valve body
  • Device for detecting sealing seat surface angle of needle valve body
  • Device for detecting sealing seat surface angle of needle valve body

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Embodiment Construction

[0030] Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided for more thorough understanding of the present disclosure and to fully convey the scope of the present disclosure to those skilled in the art.

[0031] The technical problem to be solved by the present invention is to provide a device that can quickly and accurately detect the angle of the sealing seat surface of the needle valve body, so as to facilitate the operator to change the processing parameters of the machine tool in time during the product processing process.

[0032] Such as Figure 1 to Figure 9 As shown, the embodiment of the present invention proposes a device...

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Abstract

The invention provides a device for detecting the sealing seat surface angle of a needle valve body. The device comprises a base frame, a digital display indicating gauge, a bushing, a fixed measuringrod and a sliding measuring rod, a guide hole is formed in the base frame; the bushing is arranged on the periphery of the guide hole in a sleeving mode; the digital display indicating gauge penetrates through the bushing and is inserted into the guide hole; the fixed measuring rod is inserted into the guide hole, one end of the sliding measuring rod abuts against one end of the digital display indicating gauge, and the other end of the sliding measuring rod penetrates through the fixed measuring rod. The device provided by the embodiment of the invention can improve the detection speed and the detection rate and ensure the product processing precision.

Description

technical field [0001] The invention relates to the technical field of high-precision machining, in particular to a device for detecting the angle of a sealing seat surface of a needle valve body. Background technique [0002] The needle valve body is an important part of the final fuel injection process of the injector. The injection angle and injection pressure will affect the overall combustion effect of the fuel in the cylinder, so the machining accuracy of the needle valve body is relatively high. The processing process of the existing needle valve body is: high-precision profiling turning→deep hole processing→outer circle and inner hole grinding processingelectric discharge machining→burr cleaning→cleaning→final storage. During the inner hole grinding process, the cross-section of the needle valve seat surface in the needle valve body hole and the coordinate linear dimension of the end surface of the needle valve body are the key processing processes, which directly a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B21/22
CPCG01B21/22
Inventor 胡守琦蒋立坤孙晓飞吴祺孙超
Owner 山西柴油机工业有限责任公司
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