Hollow-wall composite pipe with wound steel wires and preparation technology
A technology of steel wire winding and preparation process, applied in the direction of pipes, rigid pipes, mechanical equipment, etc., can solve the problems of extrusion deformation, poor compression resistance, affecting product quality of winding pipes, and improve ring stiffness and impact resistance. The effect of long life and good economic benefits
Pending Publication Date: 2021-05-07
山东聚贤管业有限公司
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Problems solved by technology
[0003] The hollow-wall composite pipe is embedded with high-strength steel wire inside the pipe wall to ensure that the steel wire and the plastic pipe wall are integrated. However, the winding pipe of the traditional composite pipe is usually a four-sided rectangular structure, which is unstable. It is found that the coiled tube is easily squeezed and deformed into the lumen by the influence of external pressure, and the compression resistance is poor, which seriously affects the product quality
Method used
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Embodiment
[0041] A preparation process of a hollow-wall composite pipe with steel wire winding, the steps are as follows:
[0042] S1. Put the resin raw material into the profile extruder 4 from the raw material feed port 41, and pass the first reinforcing steel wire 12 into the profile extruder 4 from the first reinforcing steel wire feed port 43, and extend to In the profile extruder head 42 , the second reinforcing steel wire 21 is passed into the second gluing device 8 .
[0043] S2. When the profile extruder 4 extrudes the hexagonal bottom pipe 1, the first reinforcing steel wire 12 is simultaneously extruded into its inner wall to form a plastic-steel composite pipe, and the prepared hexagonal bottom pipe 1 is wound on the winding Roll 5 on.
[0044] S3. While winding the hexagonal bottom tube 1, the winding roller 5 moves synchronously along the horizontal direction, uses the first gluing device 7 to apply glue to one side, and passes the limiting forming part 6 to make the adja...
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The invention discloses a hollow-wall composite pipe with wound steel wires and a preparation technology, and relates to the technical field of hollow-wall composite pipes. The composite pipe is of a tubular structure formed by spirally winding of hexagonal bottom pipes in the direction perpendicular to the axis of the hexagonal bottom pipes, and after winding, the side surfaces of the adjacent hexagonal bottom pipes are bonded into a whole through a hot melt adhesive; first reinforcing steel wires are spirally wound in the axial directions of the hexagonal bottom pipes and are embedded into the side surface bonding layers, the upper inclined surfaces of the first reinforcing steel wires are bonded through the hot melt adhesive and are cooled to form top surface bonding layers, and the second reinforcing steel wires are spirally wound in the axial directions of the hexagonal bottom pipes and are embedded into the top surface bonding layers. According to the hollow-wall composite pipe, the pipe walls of the designed winding pipes are of hexagonal structures, the high-strength steel wires are embedded in the pipe walls, meanwhile, the multiple high-strength steel wires are embedded in the bonding positions of the adjacent pipe walls, and a firm I-shaped structural steel-plastic combination body is formed, so that the overall ring stiffness and impact resistance of the pipe are improved, the service life is long, and good economic benefits are achieved.
Description
technical field [0001] The invention relates to the technical field of hollow-wall composite pipes, in particular to a hollow-wall composite pipe with steel wire winding and a preparation process. Background technique [0002] As a new composite structure, the hollow wall composite pipe has the advantages of light weight, corrosion resistance, long life, convenient transportation and installation, and fast construction. Therefore, it is widely used in municipal sewage, highways, rainwater drainage and farmland irrigation, etc. It is an ideal substitute for cement pipes, cast iron pipes, and glass steel pipes. [0003] The hollow-wall composite pipe is embedded with high-strength steel wire inside the pipe wall to ensure that the steel wire and the plastic pipe wall are integrated. However, the winding pipe of the traditional composite pipe is usually a four-sided rectangular structure, which is unstable. It is found that the winding tube is easily squeezed and deformed into...
Claims
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IPC IPC(8): F16L9/16B29D23/00
CPCB29D23/001F16L9/16
Inventor 门新利
Owner 山东聚贤管业有限公司