Foamed reinforced plastic winding pipe, manufacturing method of foamed reinforced plastic winding pipe and special equipment for foamed reinforced plastic winding pipe
A technology of reinforced plastics and manufacturing methods, applied in mechanical equipment, pipes, rigid pipes, etc., can solve the problems of unreliable combination of steel strips and plastics, high production costs, corrosion of steel strips, etc. The effect of reducing production costs
Inactive Publication Date: 2015-02-04
烟台方大滚塑有限公司
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Problems solved by technology
In order to improve the structural strength of the pipe body, steel belt reinforcement is often used at present, but this structure has problems such as complicated process, high production cost, corrosion of steel belt, and unreliable combination of steel belt and plastic
Method used
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Comparison scheme
Effect test
Embodiment 1
[0027] Embodiment 1, a kind of foam reinforced plastic winding pipe, refer to figure 1 , is made of plastic profile 1 by spiral winding, and there is a foam layer 2 between the outer wall and the inner wall of the plastic profile 1, which constitutes a structure of the present invention.
Embodiment 2
[0028] Embodiment 2, a kind of foam reinforced plastic winding pipe, refer to figure 2 , on the basis of Embodiment 1, ribs 3 and retaining grooves 4 are respectively provided at both ends of the plastic profile 1, and the others are identical to Embodiment 1.
Embodiment 3
[0029] Embodiment 3, a kind of foam reinforced plastic winding pipe, refer to image 3 , is that the tube outer wall of the plastic profile 1 is provided with reinforcing ribs 5, and the foam layer 2 between the tube outer wall and the inner wall of the plastic profile 1 is provided with a partition 6, and the others are identical to embodiment 2.
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Abstract
The invention discloses a foamed reinforced plastic winding pipe, a manufacturing method of the foamed reinforced plastic winding pipe and special equipment for the foamed reinforced plastic winding pipe. The foamed reinforced plastic winding pipe consists of a plastic pipe formed by spiral winding; a foamed layer is arranged between the outer wall and the inner wall of the winding pipe; a plastic extruder and a foaming material extruder are simultaneously connected to an extrusion die; the plastic extruder extrudes the inner wall and the outer wall of the pipe by a hole on the side wall of the die; the foaming material extruder extrudes a foaming material by a hole on a core rod of the extrusion die; the extruded pipe is rolled up by a roll-up machine after being sized by a vacuum cooling sizing machine so as to obtain a plastic section and the rolled plastic section is transferred into a spiral winding machine to be subjected to winding and forming to obtain the foamed reinforced plastic winding pipe. The foamed reinforced plastic winding pipe has the characteristics of strong pressure resistance, light weight, high resistance to tension in the axial direction of a pipe body, simple production method and high production efficiency.
Description
technical field [0001] The invention relates to the technical field of plastic pipes, in particular to a foamed reinforced plastic winding pipe, its manufacturing method and its special equipment. Background technique [0002] With the development of my country's urbanization process, the construction of municipal pipe network is accelerating, and the demand for various drainage pipes is increasing year by year. Compared with traditional cast iron pipes, reinforced concrete and other pipes, plastic drainage pipes have the advantages of light weight, corrosion resistance, small water flow resistance, energy saving, convenient installation, and better adaptability to foundation deformation. The field of municipal pipe network construction has developed rapidly. At present, plastic drainage pipes mainly include corrugated pipes and winding pipes. The production equipment for corrugated pipes is expensive and limited by conditions. At present, the maximum diameter can only be 1...
Claims
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IPC IPC(8): F16L9/16B29C69/00B29C47/00B29C47/04B29C44/00B29C53/58
CPCF16L9/16B29C48/0019B29C48/18
Inventor 林宝树童伟
Owner 烟台方大滚塑有限公司
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