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Cooling positioning pin

A technology of positioning pins and pin sleeves, applied in the direction of bolts, etc., can solve the problems of easy breakage, damage, and poor toughness of positioning devices, and achieve the effects of lowering temperature, prolonging service life, and improving performance

Inactive Publication Date: 2014-01-22
ZOOMLION HEAVY IND CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In the prior art, the positioning device generally uses heat-resistant steel or ceramic materials. During the long-term heat treatment process, if heat-resistant steel is used for positioning, it will cause certain deformation or damage to the heat-resistant steel, and the heat-resistant steel Deformation will also lead to poor positioning accuracy; if ceramic materials are used, due to the poor toughness of ceramic materials, repeated use at high temperatures will cause the positioning device to break. Therefore, the above two positioning devices cannot well meet the heat treatment process. Positioning requirements for structural parts

Method used

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Embodiment Construction

[0026] Hereinafter, the present invention will be described in detail with reference to the drawings and in conjunction with the embodiments. It should be noted that the embodiments in the application and the features in the embodiments can be combined with each other if there is no conflict.

[0027] Such as Figure 1 to Figure 8 As shown, according to the embodiment of the present invention, the cooling positioning pin includes a first connecting port 10 and a second connecting port 20, wherein the first connecting port 10 is located at a first position on the cooling positioning pin; the second connecting port 20 is located At the second position on the cooling positioning pin, the first connection port 10 and the second connection port 20 are communicated through an internal connection hole located in the cooling positioning pin. Preferably, the first connection port 10 and the second connection port 20 are both located on the first end surface of the cooling positioning pin....

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Abstract

The invention provides a cooling positioning pin. The cooling positioning pin comprises a first connecting port (10), a second connecting port (20) and an internal connecting hole, wherein the first connecting port (10) is located at a first position of the cooling positioning pin, the second connecting port (20) is located at a second position of the cooling positioning pin, and the internal connecting hole extends inside the cooling positioning pin and is respectively connected with the first connecting port (10) and the second connecting port (20). The cooling positioning pin can effectively improve the positioning performance of a positioning device on a structural part to be processed in the hot treatment process, and prolongs the service life of the positioning device.

Description

Technical field [0001] The present invention relates to cooling technology in the heat treatment process, and in particular to a cooling positioning pin. Background technique [0002] In the field of thermal processing treatment, the overall heat treatment process of small and medium-sized structural parts with holes is often involved. In the heat treatment process, due to technological requirements, the heat treatment processing structural parts need to be positioned accordingly, so a positioning device is required to meet the heat treatment process The positioning of structural parts in the process is required. [0003] In the prior art, the positioning device generally uses heat-resistant steel or ceramic materials. In the long-term heat treatment process, if heat-resistant steel is used for positioning, it will cause certain deformation or damage to the heat-resistant steel. Deformation will also lead to poor positioning accuracy; if ceramic materials are used, due to the poor...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16B19/02
Inventor 丁蒲刚安高灵刘太平付孝军王发展郑建校
Owner ZOOMLION HEAVY IND CO LTD
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