Glass fiber reinforced plastic and polymer composite pipe and its preparing method
A composite pipe and manufacturing method technology, applied in the direction of pipes, rigid pipes, tubular articles, etc., can solve the problems of complex production process, low pipe strength and high pipe cost, and achieve the effects of simple production process, high production efficiency and high strength.
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Embodiment 1
[0021] image 3 It is a schematic diagram of the product structure produced by the manufacturing method of FRP and polymer composite pipe of the present invention.
[0022] A kind of product produced by the manufacturing method of FRP and polymer composite pipe, its cross section is from the inside to the outside, followed by the inner layer of high-density polyethylene winding pipe layer 21, the surface felt layer 22 mixed with polyester, the surface felt layer mixed with polyester Glass fiber, chopped fiber, quartz sand composite layer 23, surface felt layer 24 mixed with polyester and glass fiber layer 25 mixed with polyester. Wherein, the inner diameter of the inner high-density polyethylene winding tube layer 21 is Φ1000 mm, and the winding and curing length is 6000 mm.
Embodiment 2
[0024] figure 1 It is a structural schematic diagram of a winding compound machine used in a manufacturing method of FRP and polymer composite pipes in Example 2 of the present invention;
[0025] figure 2 yes figure 1 Schematic diagram of the cross-sectional structure of the winding roller part in ;
[0026] A winding compound machine used in the manufacturing method of FRP and polymer composite pipes, which is composed of a frame 4, a motor 7, a central support shaft 2, and a transmission system 3, and the motor 7 is fixed on the frame 4, through the belt pulley and the transmission system 3 connection, the output shaft of the transmission system 3 is fixed with a sprocket, and the said sprocket is connected with the winding roller sprocket fixed on the winding roller 1 through a chain, and the two ends of the winding roller 1 are connected to the fixed roller through the bearings 10 and 12 respectively. Connected to the central shaft 11 of the winding roller of the turn...
Embodiment 3
[0028] Figure 4 It is a process flow chart of a manufacturing method of glass fiber reinforced plastics and polymer composite pipes of the present invention. A kind of manufacturing method of FRP polymer composite pipe, its process step is as follows:
[0029] 1) Feed the high molecular polymer raw material into the plastic extruder, and extrude to form a high molecular polymer inner layer hot-melt belt; 2) Wrap through a winding compound machine to form a high molecular polymer inner layer tube; 3) Sequentially add the mixed Surface mat, glass fiber, chopped fiber, quartz sand, surface mat and glass fiber of polyester resin; 4) then heating and curing; The molecular polymer is high density polyethylene.
[0030] The plastic extruder mentioned above is the SJ-65X30 plastic extruder produced by Qingdao Deyili Plastic Equipment Co., Ltd., and the winding compound machine is the CRFJ-1200 winding compound machine and molding machine produced by Qingdao Deyili Plastic Equipment...
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