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Three-layer composite pipe production mold

A composite pipe and mold technology, which is applied in the field of three-layer composite pipe production molds, can solve the problems of inconsistent casting, scale deposition, difficult synthesis, etc. Effect

Active Publication Date: 2016-08-17
菏泽三垒塑业股份有限公司
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Problems solved by technology

[0003] The purpose of the present invention is to overcome technical deficiencies and provide a three-layer composite pipe production mold, which aims to solve the technical problem that the inner wall of the pipe produced by the current composite pipe production mold is not smooth and is prone to scale accumulation, thus causing a large number of bacteria to grow. At the same time Solve the technical problems that UHMW-9003 and HDPE100 are inconsistent in fat melting and casting, and the synthesis is difficult

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Embodiment Construction

[0027] Embodiment 1, a kind of three-layer composite pipe production mold, see figure 1 , including a split flow synthesis mold A, a plasticized compression mold B, and a shaping mold C that are sequentially connected. The split synthetic mold A includes an outer cylinder body 1, an inner layer feed body 2, a middle layer feed body 3, and an outer layer feed body 4, which are arranged in the outer cylinder body and are sequentially nested from the inside to the outside. A material flow channel 5 is left between the inner layer feed body 2 and the middle layer feed body 3, a material flow channel 6 is left between the middle layer feed body 3 and the outer layer feed body 4, and the outer layer feed body 4 There is a material flow channel 7 between the inner wall of the outer cylinder body 1, and spiral grooves 8, 9, 10. The depths of the spiral grooves 8, 9, and 10 gradually become shallower from the inlet of the spiral groove to the outlet of the spiral groove. The above de...

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Abstract

The invention discloses a three-layer composite pipe production mold, which aims to solve the technical problem that the inner wall of the pipe produced by the current composite pipe production mold is not smooth, easily produces scale accumulation, and thus forms a large number of bacteria. Inconsistencies in the degree of fat and flow, and difficult technical problems in synthesis. The mold includes sequentially connected shunt synthesis molds, plasticized compression molds, and shaping molds. The three-layer composite pipe production mold of the present invention firstly solves the current problem of HDPE water supply. Due to the addition of black element molecules, the inner wall of the pipe is not smooth, and it is easy to produce scale accumulation, which leads to the formation of a large number of bacteria and makes the water quality unable to meet the hygienic standard. Secondly, it solves the problem of inconsistent compatibility between UHMW-9003 and HDPE100 fat-dissolving. Based on the invention The pipe produced by the mold has the advantages of smooth inner wall, which can eliminate the joint line generated when the pipe is combined in actual production, so as to increase the tensile performance.

Description

technical field [0001] The invention relates to a mold, in particular to a three-layer composite pipe production mold. Background technique [0002] At present, HDPE pipes have been widely used in urban and rural water supply projects, but there are still the following problems in use: because the carbon black element is in the form of micromolecular particles, some small cracks and surface fine particles will be formed on the surface when heated and cooled, and they will accumulate on the surface. The inner wall of the pipe makes the pipe wall not smooth. When the water fluid passes through, the scale and some microorganisms will accumulate around the cracks and particles when they are blocked. After a long time, a large amount of scale will gradually form and cause bacterial growth, which will bring hidden dangers to water quality and safety. In addition, in production practice, chlorine oxide treatment and filtration are used for water sources whose water salinity and fl...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B29C47/20B29C47/06B29C48/32
CPCB29C48/18B29C48/298B29C48/30B29C48/338
Inventor 周振民孔庆东王学超周科
Owner 菏泽三垒塑业股份有限公司
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