CN105387289A - Improved winding structure wall composite pipe and manufacturing technology thereof - Google Patents

Improved winding structure wall composite pipe and manufacturing technology thereof Download PDF

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Publication number
CN105387289A
CN105387289A CN201510812332.4A CN201510812332A CN105387289A CN 105387289 A CN105387289 A CN 105387289A CN 201510812332 A CN201510812332 A CN 201510812332A CN 105387289 A CN105387289 A CN 105387289A
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China
Prior art keywords
pipe
winding
wall
follow
strap
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Granted
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CN201510812332.4A
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Chinese (zh)
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CN105387289B (en
Inventor
郁世超
周茂振
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Hongsheng Plastics Hangzhou Co ltd
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Individual
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L9/00Rigid pipes
    • F16L9/16Rigid pipes wound from sheets or strips, with or without reinforcement
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L57/00Protection of pipes or objects of similar shape against external or internal damage or wear
    • F16L57/02Protection of pipes or objects of similar shape against external or internal damage or wear against cracking or buckling

Abstract

The invention relates to the technical field of plastic pipes, in particular to an improved winding structure wall composite pipe and a manufacturing technology thereof. The composite pipe comprises an inner pressure bearing pipe, a winding wall pipe wound on the outer wall of the inner pressure bearing pipe, winding pipes wound outside the wall pipe, strengthening belts wound between the winding pipes, strengthening pipes located between the winding pipes and a wrapping layer on the outmost side. The winding wall pipe is formed by winding the outer wall of the inner pressure bearing pipe with a winding belt. The cross section of the winding pipe is of a closed semicircular structure, and an inner winding pipe is arranged in the winding pipe. The manufacturing technology includes the steps that a winding wall device, a winding pipe following device, a strengthening belt following device and a strengthening pipe following device are connected to different fixing shafts in a sliding manner respectively; the fixing shafts are parallel to a center support of a fixed supporting frame; and all the devices are carried out at the same time. The composite pipe manufactured through the manufacturing technology is large in ring stiffness and high in pressure bearing capability, and the radius range of the composite pipe with a winding structure wall is expanded on the basis that stiffness is improved.

Description

A kind of modified model winding structure composite pipe and preparation process thereof
Technical field
The present invention relates to plastic tube technical field, be specifically related to a kind of modified model winding structure composite pipe and preparation process thereof.
Background technique
Structure-wall pipe material belongs to chemical building material field; mould Dai Gang, to mould the update product for cement; be widely used in municipal drainage; remote low-pressure water delivery; mine and chemical industry draining, the making etc. of irrigation and water conservancy irrigation and ventilation duct and pressure vessels for the chemical industry, to the saving energy; decreasing pollution, protection of the environment is significant.Winding structure wall pipe is in the market full-plastic winding structure wall pipe mainly, full-plastic winding structure wall pipe has good low temperature resistant fragility and high welding performance, and its toughness is better, and boundary of works area is extensive, the ability of being suitable for is strong, and working life also can reach 50 years.But because existing full-plastic structure-wall pipe material generally includes tube wall and the stiffening rib along outer surface of tube wall helical arrangement, its tube wall single employing high density polyethylene (HDPE) or polypropylene material hot-extrudable Wrapping formed, its stiffening rib comprises polypropylene backbone pipe and is coated on high-density polyethylene layer outside polypropylene backbone pipe.On the one hand, the tubing of this structure, for ensureing the equidistant winding of outer stiffening rib, the diameter of inner tube is unsuitable excessive, otherwise the ripple that not only can be formed because of tube-surface is crossed deeply and affects the winding position of outer stiffening rib, causes product appearance irregularity, and directly affects the intensity of tubing.On the other hand, the tubing of this structure, material of main part is high density polyethylene (HDPE) and polypropylene, level is single, is subject to the restriction of elasticity modulus of materials, along with its ring stiffness of increase of structure-wall pipe material caliber can reduce rapidly, cause the diameter of tubing unsuitable excessive, limit the application of product.
In addition on the one hand, current structure-wall pipe material is all tube wall main body and termination integrated molding, which increases the tubing in order to produce high-strength big-diameter, at present mainly by increasing materials to improve intensity, result causes the materials of tubing large, and the Heavy Weight of product, the cost of product is high.
Summary of the invention
An object of the present invention is to provide a kind of modified model winding structure composite pipe and preparation process thereof, not high with the ring stiffness solving current structure-wall pipe material, bearing capacity is poor and thus limit the problem of caliber scope of tubing.
In order to reach foregoing invention object, the present invention by the following technical solutions:
A kind of modified model winding structure composite pipe, comprise interior pressure-bearing pipe, the reinforcing strip between the winding wall pipe be wrapped on interior pressure-bearing pipe outer wall, the entwining tube be wound around outside wall pipe, entwining tube, the reinforcement tube between entwining tube and outermost clad, described winding wall pipe is wrapped on interior pressure-bearing pipe outer wall by take-up strap and forms, the cross section of entwining tube is closed semi-circular structure, is provided with pipe in being wound around in entwining tube.
Preferably, web frame is provided with in the internal layer of described take-up strap; Described web frame is intertwined to form netted by many reinforced wires.
Preferably, pipe and entwining tube are structure as a whole in described winding, and entwining tube inside is provided with web frame, web frame be located at and be wound around in pipe circular arc on and in being wound around on pipe, described web frame is intertwined to form netted by many reinforced wires.
A preparation process for modified model winding structure composite pipe, specifically comprises the following steps:
The preparation of A tubing main body:
(1) first adopt extruder to extrude interior pressure-bearing pipe, and interior pressure-bearing pipe is fixed on supporting frame; Support frame as described above comprises center rest, the some flexible rods on center rest, and the arc surface corresponding with flexible rod, and described arc surface forms a cylindrical shape, and described flexible rod one end and center rest are fixed, and the other end drives circular arc to do fore and aft motion at axial direction; Then interior pressure-bearing pipe supports by supporting frame;
(2) winding wall device is then adopted to be spirally wound on by take-up strap on the outer wall of pressure-bearing pipe, and form winding wall pipe, described winding wall device comprises take-up strap follow-up device and rolling depressor, take-up strap drawn by take-up strap follow-up device, and rolling depressor carries out roll bonding by between take-up strap and take-up strap after being placed in take-up strap follow-up device;
(3) entwining tube follow-up device is adopted to be wound around interval on wall pipe outer wall and spiral winding;
(4) between the entwining tube of interval spiral surrounding, reinforcing strip follow-up device is adopted to be wound around one deck reinforcing strip, the width of described reinforcing strip is greater than the interval between entwining tube, the middle part of reinforcing strip is between entwining tube, the both sides of reinforcing strip are pressed together on entwining tube, then adopt reinforcing strip cover by reinforcing strip and winding wall pipe and entwining tube pressing;
(5) reinforcing strip between the entwining tube at interval spiral surrounding adopts reinforcement tube follow-up device spiral surrounding reinforcement tube;
(6) at outermost surface voluble wrapping layer; And adopt press fit device clad and above-mentioned formed tubing wall pressure to be closed;
The preparation of B end socket:
(7) adopt winding process to prepare end socket, described end socket comprises the bellmouth end socket possessing bellmouth and the socket end socket possessing socket, then carries out thermo-fuse to bellmouth end socket and inlays; Thermo-fuse is corrugated copper wire;
The combination of C tubing main body and end socket:
(8) two ends of the tubing main body of above-mentioned preparation are carried out welding or hot binding with two kinds of end sockets respectively, through the connection of end socket, prepare a kind of modified model winding structure composite pipe.
Preferably, support frame as described above rotates around center rest, and centrally the direction of frame moves radially; Be wound around the follow up winding direction of device of wall device and entwining tube contrary.
Preferably, described winding wall device, entwining tube follow-up device, reinforcing strip follow-up device and reinforcement tube follow-up device carry out simultaneously.
Preferably, described winding wall device, entwining tube follow-up device, reinforcing strip follow-up device and reinforcement tube follow-up device are slidably connected on different stationary axle respectively, and stationary axle is parallel with center bearing bracket.
Preferably, take-up strap is wound around by the follow-up device in described winding wall device, and the overlapping widths between take-up strap and take-up strap is 0.5-2cm; Described rolling depressor is pressure roller, and described pressure roller applied pressure is 0.2-0.5Mpa.
Preferably, reinforcing strip cover bottom interval is provided with two rollers, and roller spacing and entwining tube match around interval, and two roller middle upper parts are provided with a spill wheel, and described spill wheel matches with entwining tube.Roller and spill just become an independent wheel after taking turns and being integrated.
Beneficial effect of the present invention is:
1 ring stiffness is larger;
2 bearing capacities are strong;
3 production streamlineds, operation fast, improves speed of production;
4 expand the radius of winding structure composite pipe on the basis that rigidity improves.
Accompanying drawing explanation
Fig. 1 is the structural representation of modified model winding structure composite pipe of the present invention;
Fig. 2 is the apparatus structure schematic diagram of preparation process of the present invention;
Fig. 3 is a kind of structural representation of supporting frame of the present invention;
Fig. 4 is a kind of structural representation bottom reinforcing strip cover of the present invention;
Fig. 5 is a kind of structural representation of take-up strap of the present invention;
Fig. 6 is a kind of structural representation of entwining tube of the present invention.
In figure: pressure-bearing pipe in 1,2 are wound around wall pipe, 3 entwining tube, 4 reinforcing strips, 5 reinforcement tubes, 6 clads, 7 are wound around interior pipe, 8 take-up straps, 9 web frames, 10 reinforced wires, 101 supporting frames, 102 center rests, 103 flexible rods, 104 arc surfaces, 201 are wound around wall device, 202 take-up strap follow-up devices, 203 rolling depressors, 301 entwining tube follow-up devices, 401 reinforcing strip follow-up devices, 402 reinforcing strip covers, 403 rollers, 404 spill wheels, 501 reinforcement tube follow-up devices, 601 press fit devices, 701 stationary axle.
Embodiment
Below by specific embodiment, explanation is further described to technological scheme of the present invention.
Embodiment:
A kind of modified model winding structure composite pipe, as shown in Fig. 1, Fig. 5 and Fig. 6, comprise interior pressure-bearing pipe 1, the reinforcing strip 4 between the winding wall pipe 2 be wrapped on interior pressure-bearing pipe 1 outer wall, the entwining tube 3 be wound around outside wall pipe 2, entwining tube 3, the reinforcement tube 5 between entwining tube 3 and outermost clad 6, described winding wall pipe 2 is wrapped on interior pressure-bearing pipe outer wall by take-up strap 8 and forms, the cross section of entwining tube 3 is closed semi-circular structure, is provided with pipe 7 in being wound around in entwining tube 3.Web frame is provided with in the internal layer of described take-up strap; Described web frame 9 is intertwined to form netted by many reinforced wires 10.In described winding, pipe 7 and entwining tube 3 are structure as a whole, and entwining tube 3 inside is provided with web frame 9, web frame 9 be located at and be wound around in pipe 7 circular arc on and in being wound around on pipe 7, described web frame 9 is intertwined to form netted by many reinforced wires 10.
The preparation process of this modified model winding structure composite pipe, specifically comprises the following steps: (shown in composition graphs 2, Fig. 3 Fig. 4)
The preparation of A tubing main body:
(1) first adopt extruder to extrude interior pressure-bearing pipe, and interior pressure-bearing pipe is fixed on supporting frame; Support frame as described above comprises center rest, the some flexible rods on center rest, and the arc surface corresponding with flexible rod, and described arc surface forms a cylindrical shape, and described flexible rod one end and center rest are fixed, and the other end drives circular arc to do fore and aft motion at axial direction; Then interior pressure-bearing pipe supports by supporting frame; Support frame as described above rotates around center rest, and centrally the direction of frame moves radially; Be wound around the follow up winding direction of device of wall device and entwining tube contrary;
(2) winding wall device is then adopted to be spirally wound on by take-up strap on the outer wall of pressure-bearing pipe, and form winding wall pipe, described winding wall device comprises take-up strap follow-up device and rolling depressor, take-up strap drawn by take-up strap follow-up device, and rolling depressor carries out roll bonding by between take-up strap and take-up strap after being placed in take-up strap follow-up device; Take-up strap is wound around by the follow-up device in described winding wall device, and the overlapping widths between take-up strap and take-up strap is 0.5-2cm; Described rolling depressor is pressure roller, and described pressure roller applied pressure is 0.2-0.5Mpa;
(3) entwining tube follow-up device is adopted to be wound around interval on wall pipe outer wall and spiral winding;
(4) between the entwining tube of interval spiral surrounding, reinforcing strip follow-up device is adopted to be wound around one deck reinforcing strip, the width of described reinforcing strip is greater than the interval between entwining tube, the middle part of reinforcing strip is between entwining tube, the both sides of reinforcing strip are pressed together on entwining tube, then adopt reinforcing strip cover by reinforcing strip and winding wall pipe and entwining tube pressing; Reinforcing strip cover bottom interval is provided with two rollers, and roller spacing and entwining tube match around interval, and two roller middle upper parts are provided with a spill wheel, and described spill wheel matches with entwining tube;
(5) reinforcing strip between the entwining tube at interval spiral surrounding adopts reinforcement tube follow-up device spiral surrounding reinforcement tube;
(6) at outermost surface voluble wrapping layer; And adopt press fit device clad and above-mentioned formed tubing wall pressure to be closed;
The preparation of B end socket:
(7) adopt winding process to prepare end socket, described end socket comprises the bellmouth end socket possessing bellmouth and the socket end socket possessing socket, then carries out thermo-fuse to bellmouth end socket and inlays; Thermo-fuse is corrugated copper wire;
The main body of tubing adopts with end socket and is separated preparation by the present invention, finally adopts thermo-fuse to combine termination and main body.
The combination of C tubing main body and end socket:
(8) two ends of the tubing main body of above-mentioned preparation are carried out welding or hot binding with two kinds of end sockets respectively, through the connection of end socket, prepare a kind of modified model winding structure composite pipe.
Be wound around wall device, entwining tube follow-up device, reinforcing strip follow-up device and reinforcement tube follow-up device to be slidably connected to respectively on different stationary axle, and stationary axle is parallel with center bearing bracket, above-mentioned all devices carry out simultaneously.

Claims (9)

1. a modified model winding structure composite pipe, it is characterized in that, comprise interior pressure-bearing pipe (1), the winding wall pipe (2) be wrapped on interior pressure-bearing pipe (1) outer wall, be wound around wall pipe (2) entwining tube outward (3), reinforcing strip (4) between entwining tube (3), be positioned at reinforcement tube (5) between entwining tube (3) and outermost clad (6), described winding wall pipe (2) is wrapped on interior pressure-bearing pipe outer wall by take-up strap (8) and forms, the cross section of entwining tube (3) is closed semi-circular structure, is provided with pipe (7) in being wound around in entwining tube (3).
2. a kind of modified model winding structure composite pipe according to claim 1, is characterized in that, be provided with web frame in the internal layer of described take-up strap (8); Described web frame (9) is intertwined to form netted by many reinforced wires (10).
3. a kind of modified model winding structure composite pipe according to claim 1, it is characterized in that, in described winding, pipe (7) and entwining tube (3) are structure as a whole, and entwining tube (3) inside is provided with web frame (9), web frame (9) is located at and is wound around on interior circular arc of managing (7) and is wound around on interior pipe (7), and described web frame (9) is intertwined to form netted by many reinforced wires (10).
4. the preparation process of a kind of modified model winding structure composite pipe according to claim 1, is characterized in that, specifically comprise the following steps:
The preparation of A tubing main body:
(1) first adopt extruder to extrude interior pressure-bearing pipe, and interior pressure-bearing pipe is fixed on supporting frame; Support frame as described above comprises center rest, the some flexible rods on center rest, and the arc surface corresponding with flexible rod, and described arc surface forms a cylindrical shape, and described flexible rod one end and center rest are fixed, and the other end drives circular arc to do fore and aft motion at axial direction; Then interior pressure-bearing pipe supports by supporting frame;
(2) winding wall device is then adopted to be spirally wound on by take-up strap on the outer wall of pressure-bearing pipe, and form winding wall pipe, described winding wall device comprises take-up strap follow-up device and rolling depressor, take-up strap drawn by take-up strap follow-up device, and rolling depressor carries out roll bonding by between take-up strap and take-up strap after being placed in take-up strap follow-up device;
(3) entwining tube follow-up device is adopted to be wound around interval on wall pipe outer wall and spiral winding;
(4) between the entwining tube of interval spiral surrounding, reinforcing strip follow-up device is adopted to be wound around one deck reinforcing strip, the width of described reinforcing strip is greater than the interval between entwining tube, the middle part of reinforcing strip is between entwining tube, the both sides of reinforcing strip are pressed together on entwining tube, then adopt reinforcing strip cover by reinforcing strip and winding wall pipe and entwining tube pressing;
(5) reinforcing strip between the entwining tube at interval spiral surrounding adopts reinforcement tube follow-up device spiral surrounding reinforcement tube;
(6) at outermost surface voluble wrapping layer; And adopt press fit device clad and above-mentioned formed tubing wall pressure to be closed;
The preparation of B end socket:
(7) adopt winding process to prepare end socket, described end socket comprises the bellmouth end socket possessing bellmouth and the socket end socket possessing socket, then carries out thermo-fuse to bellmouth end socket and inlays; Thermo-fuse is corrugated copper wire;
The combination of C tubing main body and end socket:
(8) two ends of the tubing main body of above-mentioned preparation are carried out welding or hot binding with two kinds of end sockets respectively, through the connection of end socket, prepare a kind of modified model winding structure composite pipe.
5. the preparation process of a kind of modified model winding structure composite pipe according to claim 4, it is characterized in that, support frame as described above rotates around center rest, and centrally the direction of frame moves radially; Be wound around the follow up winding direction of device of wall device and entwining tube contrary.
6. the preparation process of a kind of modified model winding structure composite pipe according to claim 4, it is characterized in that, described winding wall device, entwining tube follow-up device, reinforcing strip follow-up device and reinforcement tube follow-up device carry out simultaneously.
7. the preparation process of a kind of modified model winding structure composite pipe according to claim 4, it is characterized in that, described winding wall device, entwining tube follow-up device, reinforcing strip follow-up device and reinforcement tube follow-up device are slidably connected on different stationary axle respectively, and stationary axle is parallel with center bearing bracket.
8. the preparation process of a kind of modified model winding structure composite pipe according to claim 4, it is characterized in that, take-up strap is wound around by the follow-up device in described winding wall device, and the overlapping widths between take-up strap and take-up strap is 0.5-2cm; Described rolling depressor is pressure roller, and described pressure roller applied pressure is 0.2-0.5Mpa.
9. the preparation process of a kind of modified model winding structure composite pipe according to claim 4, it is characterized in that, reinforcing strip cover bottom interval is provided with two rollers, roller spacing and entwining tube match around interval, two roller middle upper parts are provided with a spill wheel, and described spill wheel matches with entwining tube.
CN201510812332.4A 2015-11-21 2015-11-21 A kind of modified winding structure composite pipe and its preparation process Active CN105387289B (en)

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CN105387289B CN105387289B (en) 2019-01-11

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108050312A (en) * 2018-01-29 2018-05-18 安徽韵通管业有限公司 A kind of modified winding structure composite pipe and its preparation process
CN113024930A (en) * 2021-04-08 2021-06-25 四川潽鑫科技集团有限公司 MPHDPE winding structure wall pipe and processing technology thereof

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2883851Y (en) * 2006-01-26 2007-03-28 临沂市大通塑料管材有限公司 Tubing having polythane wound structural wall
CN201964047U (en) * 2011-01-31 2011-09-07 石家庄宝石克拉大径塑管有限公司 Goods font-shaped pipe material with polyethylene-wound structure
CN202580349U (en) * 2012-05-11 2012-12-05 山东融汇管通有限公司 Tube framework reinforced composite plastic tube
CN204692798U (en) * 2015-05-28 2015-10-07 湖北统塑管业有限公司 Be wound around in a kind of steel disc and strengthen structured wall popes
CN205207942U (en) * 2015-11-21 2016-05-04 郁世超 Improved generation winding arrangement wall recombination pipe

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2883851Y (en) * 2006-01-26 2007-03-28 临沂市大通塑料管材有限公司 Tubing having polythane wound structural wall
CN201964047U (en) * 2011-01-31 2011-09-07 石家庄宝石克拉大径塑管有限公司 Goods font-shaped pipe material with polyethylene-wound structure
CN202580349U (en) * 2012-05-11 2012-12-05 山东融汇管通有限公司 Tube framework reinforced composite plastic tube
CN204692798U (en) * 2015-05-28 2015-10-07 湖北统塑管业有限公司 Be wound around in a kind of steel disc and strengthen structured wall popes
CN205207942U (en) * 2015-11-21 2016-05-04 郁世超 Improved generation winding arrangement wall recombination pipe

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108050312A (en) * 2018-01-29 2018-05-18 安徽韵通管业有限公司 A kind of modified winding structure composite pipe and its preparation process
CN113024930A (en) * 2021-04-08 2021-06-25 四川潽鑫科技集团有限公司 MPHDPE winding structure wall pipe and processing technology thereof
CN113024930B (en) * 2021-04-08 2022-08-12 四川潽鑫科技集团有限公司 MPHDPE winding structure wall pipe and processing technology thereof

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Effective date of registration: 20181122

Address after: 311251 Tu Pu Dai village and Mu Ting Xu village, Lin Pu town, Xiaoshan District, Hangzhou, Zhejiang

Applicant after: HONGSHENG PLASTICS (HANGZHOU) CO.,LTD.

Address before: 311251 Japan's 1 Industrial Park, Xiaoshan, Hangzhou, Zhejiang

Applicant before: Yu Shichao

Applicant before: Zhou Maozhen

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Denomination of invention: An improved winding structure wall composite pipe and its preparation process

Effective date of registration: 20231108

Granted publication date: 20190111

Pledgee: Zhejiang Xiaoshan rural commercial bank Limited by Share Ltd. Lin Pu branch

Pledgor: HONGSHENG PLASTICS (HANGZHOU) CO.,LTD.

Registration number: Y2023980064552