Thermoformed continuously wound composite material reinforced structure-wall pipe, and manufacturing equipment and manufacturing method thereof

Abstract

The invention provides a thermoformed continuously wound composite material reinforced structure-wall pipe. The pipe wall is a spiral circumference formed by spirally winding special strip-shaped plastic sections by taking a center line as an axis, and edges of adjacent special strip-shaped plastic sections are lapped and fused to form a continuous solid-wall tubular structure; special single-wall corrugated pipes are coated with PE (polyethylene) through a die to form composite material special pipe blanks, and the special pipe blanks are spirally wound in the same way to span and press lap seams of the special strip-shaped sheets; a composite material sheet is inserted into a gap of two adjacent special pipe blanks to form a reinforcing vertical rib, and the reinforcing vertical rib is adhered to the pipe wall through a clamping roller mechanism. The spiral reinforced part structure of the pipe improves the stability of wave crests; meanwhile, as all materials are just extruded, the welding effect is good; by modifying the special single-wall corrugated pipes and the sheets forming the reinforcing vertical ribs, the elasticity modulus is improved and the crushing resistance and the ring stiffness of the pipe are improved.

Description

technical field [0001] The invention relates to a thermoplastic continuous winding composite material reinforced structural wall pipe, and also relates to the manufacturing equipment and manufacturing method of the pipe. Background technique [0002] In urban sewer pipes and various sewage pipes, various forms of plastic pipes are used more and more. Since there is usually no pressure in the pipe, in order to improve its resistance to external pressure or impact, different forms of rib structures are provided on the outer periphery of the pipe wall. At present, there are several types of plastic pipes with this structure and corresponding preparation methods: [0003] One is a plastic pipe that is directly extruded. The most representative ones are double-wall corrugated pipes and circumferentially reinforced pipes that are directly extruded. The inner walls of these two pipes are continuous and smooth. The axial partial section structure of the pipe is shown in (a) and (b...

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