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Structure of composite ceramic spinneret plate

A technology of composite ceramics and spinneret, which is applied in the direction of spinneret assemblies, textiles and papermaking, and can solve problems such as cracking of ceramic inserts

Inactive Publication Date: 2020-06-16
SHAOXING HUAJING SCI TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The composite ceramic spinneret will generate internal stress due to the increase in temperature and the difference in thermal expansion coefficient between metal parts and ceramic parts, which will lead to cracking of ceramic inserts in severe cases

Method used

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  • Structure of composite ceramic spinneret plate
  • Structure of composite ceramic spinneret plate

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Experimental program
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Embodiment Construction

[0013] like figure 1 , figure 2 As shown, the structure of a composite ceramic spinneret in the present invention includes an upper cover plate 1, a soft high-temperature resistant transition layer 2, a spinneret main body 3, and a die tip of the spinneret main body 3 arranged sequentially from top to bottom. Partially inlaid with ceramic inserts 4, the upper cover plate 1 is provided with channel 1 7, the soft high temperature resistant transition layer 2 is provided with channel 2 8, channel 1 7, channel 2 8 and the material guide groove on the ceramic insert 4 5 concentric connection settings. A sealing member 6 is provided between the spinneret main body 3 and the ceramic insert 4 , and between the upper cover plate 1 and the soft high-temperature-resistant transition layer 2 .

[0014] The soft high-temperature-resistant transition layer 2 is a copper plate transition layer or an aluminum plate transition layer. In this embodiment, the soft high temperature resistant ...

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Abstract

The invention relates to a structure of a composite ceramic spinneret plate, which belongs to the technical field of textile. The structure of the composite ceramic spinneret plate includes an upper cover plate, a soft high temperature resistant transition layer and a spinneret plate main body arranged in order from top to bottom; the model tip part of the spinneret plate main body is inlaid witha ceramic insert; the upper cover plate is provided with a channel one; the soft high temperature resistant transition layer is provided with a channel two; and the channel one and the channel two arecoaxially connected with the material guide groove on the ceramic insert. According to the invention, the soft high temperature resistant transition layer is added between the lower surface of the upper cover plate and the upper surfaces of the ceramic insert and the spinneret plate main body to eliminate internal stress caused by temperature changes among different materials.

Description

technical field [0001] The invention relates to a structure of a composite ceramic spinneret, which belongs to the technical field of textiles. Background technique [0002] In the prior art, the structure of the composite ceramic spinneret is made of different materials according to the characteristics of different polymers and different spinning processes, and stainless steel materials of different grades are commonly used. The upper cover plate and the main body of the spinneret of the composite ceramic spinneret are made of stainless steel, and then ceramic inserts are inlaid on the die tip of the spinneret main body. silk channel. A channel is opened on the upper cover plate, and the channel is connected with the material guide groove and the spinneret channel on the ceramic insert to be arranged coaxially. [0003] During use, the heat carried by the melted masterbatch coming out of the heating box above the composite ceramic spinneret will be conducted to the uppe...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D01D4/02
CPCD01D4/022
Inventor 刘光容朱爱萍朱曰春
Owner SHAOXING HUAJING SCI TECH
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