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Material coring device of polyurethane foaming machine

A technology of foaming machine and polyurethane, which is applied in the field of raw material nucleation device of foaming machine, to achieve the effect of improving mold filling quality, dense and uniform cells, and improving product quality

Active Publication Date: 2011-08-17
张家港力勤机械有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

At present, there is no nuclear technology for polyether polyol raw materials used in foam manufacturing

Method used

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  • Material coring device of polyurethane foaming machine
  • Material coring device of polyurethane foaming machine

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Embodiment Construction

[0008] Below in conjunction with the accompanying drawings, the specific embodiments of the present invention will be further described in detail, so as to make the technical solution of the present invention easier to understand and grasp.

[0009] like figure 1 Shown is a schematic diagram of the connection structure of the raw material nucleation device of the polyurethane foaming machine of the present invention. As shown in the figure, the constituent units of the nucleation device include a nucleator 1 , a density meter 2 connected to the air inlet 11 of the nucleator, an air inlet 3 , and a delivery pump assembly 4 connected to the input of the density meter 2 . Wherein, the output port 12 of the nucleator 1 and the delivery pump assembly 4 communicate with the top and the bottom of the raw material tank 5 of polyether polyol respectively, and each constituent unit is connected by a pipeline 6, and the density meter 2 is Standpipe structure, the output of which is conn...

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Abstract

The invention discloses a material coring device of a polyurethane foaming machine, comprising the following composing units of: a coring machine, a density meter, an air inlet and a conveying pump component, wherein the density meter and the air inlet are connected with a gas inlet of the coring machine; and the conveying pump component is connected with an input end of the density meter. An output hole of the coring machine and the conveying pump component are respectively and correspondingly communicated with the top end and the bottom part of a polyether polyalcohol material tank; the composing units are connected with one another through a pipeline; and an output end of the density meter is connected with a control unit of the coring machine. The material coring device cores the polyether polyalcohol materials, improves the mold charging quality and the surface quality of the products for producing the self-skinned vehicle steering wheels or polyether self-skinned foam products so that the foam holes of the foam plastic are compact and uniform, and the product quality is greatly improved.

Description

technical field [0001] The invention relates to a raw material nucleation device, in particular to a raw material nucleation device for a foaming machine used in making polyurethane self-skinned automobile steering wheels or other polyurethane self-skinned foam products in the industry. Background technique [0002] Under the existing conventional technology, two kinds of raw materials are used to make polyurethane self-skinning automobile steering wheel or other self-skinning foam products, which are respectively polyether polyol and isocyanate. These two kinds of raw materials are placed separately in two material tanks. After being controlled by the metering pump and filter in the pipeline, it reaches the mixing gun head and mixed, and then injected into the mold for production. At present, there is no nucleation technology for polyether polyol raw materials used in foam manufacturing. Contents of the invention [0003] In view of the above-mentioned defects in the pri...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C44/34
Inventor 王汉力
Owner 张家港力勤机械有限公司
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