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Wear-resistant thermocouple processing method and wear-resistant thermocouple

A processing method and thermocouple technology, which is applied in the direction of thermometers that are directly sensitive to heat/magnetic elements, measuring heat, and using electrical devices, etc., can solve the problem of complex drilling, easy drilling deviation, and thermocouple protection sleeves. Tube strength is not high, to achieve the effect of compact structure, reduce wall thickness, improve strength and wear resistance

Active Publication Date: 2017-10-24
JUMO AUTOMATION DALIAN CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In view of the defects in the prior art, the purpose of the present invention is to provide a method for processing wear-resistant thermocouples used in internal mixers in the rubber industry, which not only eliminates the problem that the thermocouple protection sleeve adopts a split structure with low strength, At the same time, it also eliminates the problems of complex drilling and easy drilling deviation.

Method used

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  • Wear-resistant thermocouple processing method and wear-resistant thermocouple

Examples

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Embodiment 1

[0022] A method for processing a wear-resistant thermocouple, comprising the following steps:

[0023] (1) Blank selection: select the metal tube according to the design requirements of the thermocouple protection sleeve length and the thermocouple wire specification;

[0024] In this step, a metal tube with a certain length and inner and outer diameters is selected according to the length design requirements of the thermocouple protection sleeve and the specifications of the thermocouple wire. The metal tube can be a metal thick-walled tube made of stainless steel, alloy steel, etc. , the wall thickness of the metal pipe should ensure that the inner diameter of the metal pipe can be reduced and eliminated during the hot forging process. Preferably, the ratio of the wall thickness to the outer diameter of the metal pipe is 1 / 3 to 1 / 4, which can ensure that the hot forging The inner diameter of the metal tube is completely eliminated during the diameter process and a dense end ...

Embodiment 2

[0034] Such asfigure 1 and figure 2 Shown is a structural diagram of an embodiment of the wear-resistant thermocouple of the present invention, including a protective sleeve 1, a thermocouple wire 2 and a two-hole ceramic tube 3, and the thermocouple wire 2 penetrates into the two-hole ceramic tube 3 and is juxtaposed Inside the protective sleeve 1 , the other end of the thermocouple wire 2 protrudes from the protective sleeve 1 for outputting the temperature measured by the temperature measuring end 21 . The protective sleeve 1 is a sealed bulkhead tube made of a metal tube with one end processed by hot forging and shrinking. The bulky end 4 of the protective sleeve 1 is smooth and excessively curved. The inner hole 11 of the tube is coaxial with the through hole 41 at the bulkhead end, and the temperature measuring end 21 of the thermocouple wire 2 covered with the glass fiber tube 5 penetrates into the through hole 41 at the bulkhead end and is welded with the inner wall o...

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Abstract

The invention discloses a wear-resistant thermocouple processing method and a wear-resistant thermocouple. The thermocouple processing method mainly comprises the steps that an appropriate metal tube is selected according to the design requirements; hot forging shrinkage processing is performed on one end of the metal tube so as to obtain a baffle end; and the baffle end is smoothed, and a baffle end through hole is processed on the baffle end and the temperature measuring end of a thermocouple wire penetrates into the baffle end through hole to be welded with a protective sleeve shell. The thermocouple manufactured by the method has high wear resistance and is not liable to be damaged and is low in processing cost. The invention also discloses the thermocouple which has high wear resistance and short response time.

Description

technical field [0001] The invention relates to a thermocouple processing method and a thermocouple, in particular to a method for processing a wear-resistant thermocouple for internal mixers in the rubber industry and the wear-resistant thermocouple processed by the method. Background technique [0002] The rubber refining process takes a relatively short time, and the temperature of the internal mixer needs to be strictly controlled during the rubber mixing process. If the temperature in the rubber mixing process is too high, the thermo-oxidative aging of the rubber will be accelerated, and the physical and mechanical properties of the vulcanized rubber will be reduced, that is, If over-refining occurs, it will also cause scorching of the rubber material. The temperature of the rubber mixing should not be too low, otherwise the rubber material will be crushed and scattered. Therefore, it is necessary to use a thermocouple to monitor the temperature of the internal mixer in ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01K7/04G01K1/08B23P15/00
CPCG01K1/08G01K7/04B23P15/00Y02E30/30
Inventor 刘正一
Owner JUMO AUTOMATION DALIAN CO LTD
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