CN101788084A - Socket reinforced composite plastic pipe and manufacturing process thereof - Google Patents

Socket reinforced composite plastic pipe and manufacturing process thereof Download PDF

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Publication number
CN101788084A
CN101788084A CN 201010120529 CN201010120529A CN101788084A CN 101788084 A CN101788084 A CN 101788084A CN 201010120529 CN201010120529 CN 201010120529 CN 201010120529 A CN201010120529 A CN 201010120529A CN 101788084 A CN101788084 A CN 101788084A
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Prior art keywords
tube wall
reinforced composite
pipe
composite plastic
socket
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CN 201010120529
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CN101788084B (en
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肖和飞
龙柳媛
王德清
罗安民
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HUNAN ZHENHUI PIPE CO Ltd
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HUNAN ZHENHUI PIPE CO Ltd
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Abstract

The invention relates to a socket reinforced composite plastic pipe and a manufacturing process thereof, and the socket reinforced composite plastic pipe comprises a pipe wall and a socket, wherein a convex ring is arranged at the pipe wall with the inner diameter of L at the end part of the socket, plastics and resin are mixed for being taken as raw materials, and the technical scheme simultaneously produces a product under the synchronous control of a drying machine, an extrusion machine, a mold head, a mold, a vacuum box, a spraying box, a traction machine, a cutting machine and other equipment. The socket reinforced composite plastic pipe can overcome the defects that the strength and the rigidity of the cross section at the butt joint between the pipe and the socket can not bear the internal pressure in the pipe for the existing polyethylene resin composite pipe-PE pipe, thereby causing expansion, deformation and cracking of the pipe wall of a pipe, further resulting in water leakage and gas leakage of a pipeline and causing difficult maintenance of a water supply system, a gas supply system and a liquid supply system, serious loss of resources, environmental pollution caused by gas leakage and the like; and the socket reinforced composite plastic pipe is applicable to being used as connecting pipe for various water transportation projects and gas transportation projects, in particular to socket thickening and reinforcing of PE, PVC-U, PVC-M and other plastic pipes.

Description

A kind of socket reinforced composite plastic pipe and preparation process thereof
Technical field
The present invention relates to a kind of socket reinforced composite plastic pipe and preparation process thereof.
Background technique
Existing polyethylene resin composite pipe is commonly called as the PE pipe, and it has characteristics such as construction of being easy to and installation, is subjected to the application that industry is carried in plumbing and combustion gas.But great majority are the docking calculations that adopt the electric melting pipe fittings welding in construction and installation process, this construction and installation method are subjected to the influence of job site environmental factor and individual operative skill, mutually laterally moving of two bellmouth tube walls increases non-" circularity " of tubing bellmouth joint with dislocation and is difficult to assurance and docks quality during welding, and " circularity " is that semidiameter is two concentric circular regions of a certain numerical value on the arbitrary normal section of bellmouth joint; Especially to the tubing of pressure rating lower (being that tube wall is thinner), can more be difficult to guarantee the butt joint quality because of non-" circularity " of tubing bellmouth joint; Its consequence can make tubing bellmouth joint cross-sectional strength and rigidity all can not carry the pipe internal pressure and cause tube material and tube wall bulging, distortion, so that cracking, cause pipe leakage gas leakage, cause water supply, air feed, liquid-supplying system difficult in maintenance, the serious and gas leakage of resources loss causes the pollution to environment.
Summary of the invention
At above-mentioned situation, the object of the present invention is to provide a kind of socket reinforced composite plastic pipe, it has simple in structure, and linkage function increases, bellmouth butt joint quality height, the bellmouth cross-sectional strength is big, good rigidly, no fluid resistance, nothing leak hidden danger, No Assets waste, are convenient to engineering construction and system maintenance, safe in utilization, reliable, be easy to penetration and promotion.
Another purpose of the present invention is to provide a kind of technology of making socket reinforced composite plastic pipe, and its preparation process is simple, reliable, handling safety, easy, need not drop into main equipment, the production cost is low, and non-environmental-pollution is easy to construction, installs, safeguards and promotes.
To achieve these goals, a kind of socket reinforced composite plastic pipe, it comprises tube wall and bellmouth, the tube wall of the long L of its bellmouth inner end diameter is provided with a bulge loop.
For implementation structure optimization, its further step is: the corresponding ratio in the thick H of bulge loop ring and tube wall outer diameter D and pipe wall thickness S is H7.7~76.20mm ︰ D63~630mm ︰ S5.8~57.20mm.Corresponding ratio in the thick H of bulge loop ring and tube wall outer diameter D and pipe wall thickness S is H6.3~61.70mm ︰ D63~630mm ︰ S4.7~46.30mm.Corresponding ratio in the thick H of bulge loop ring and tube wall outer diameter D and pipe wall thickness S is H6.0~49.80mm ︰ D75~630mm ︰ S4.5~37.40mm.Corresponding ratio in the thick H of bulge loop ring and tube wall outer diameter D and pipe wall thickness S is H5.7~40.00mm ︰ D90~630mm ︰ S4.3~30.00mm.Corresponding ratio in the thick H of bulge loop ring and tube wall outer diameter D and pipe wall thickness S is H5.6~29.40mm ︰ D110~630mm ︰ S4.2~24.10mm.Adaptive and be provided with transition zone W in bulge loop interior edge face and tube wall internal diameter.In bulge loop and the tube wall internal diameter is adaptive and the setting that is formed in one.In bulge loop and the tube wall internal diameter is adaptive and for dividing a body formed setting.
In order to realize above-mentioned another purpose, a kind of preparation process of socket reinforced composite plastic pipe, it makes raw material with the plastic resin mixed ingredients, simultaneously make product under the synchronization control of manufacturing mechanisms such as dryer, extruder, die head, tag line machine, mould, vacuum box, spraying box, tractor, cutting machine, its operating procedure is as follows:
I, raw material drying processing-dryer;
II, plasticizing are puddled and are extruded-extruder;
III, constant temperature adjust output-extruder, die head;
IV, sign covering-die head, mould, tag line machine, extruder;
V, vacuum sizing-mould, vacuum box;
VI, the slow running of tube wall internal diameter thickening-tractor, vacuum box;
VII, tube wall internal diameter attenuate-tractor move fast, vacuum box;
VIII, the slow running of tube wall internal diameter thickening-tractor, vacuum box;
IX, spray, cooling-spraying box;
X, traction-tractor;
XI, scale, cut-out-cutting machine.
The present invention mainly adopts in the L long tube wall inner radius of its tube material and tube wall bellmouth end and sets up bulge loop and adopt the plastic resin mixed ingredients to make raw material, adopt each the operation corresponding device operation of synchronization control technology controlling and process to make the technological scheme of the socket reinforced composite plastic pipe of a kind of tube material and tube wall bellmouth two ends thickening simultaneously, it has overcome existing polyethylene resin composite pipe-PE pipe, all can not carry the pipe internal pressure because of tubing bellmouth joint cross-sectional strength and rigidity and cause the tube material and tube wall bulging, distortion, so that cracking, cause pipe leakage gas leakage, cause water supply, air feed, liquid-supplying system is difficult in maintenance, and the serious and gas leakage of resources loss causes the defectives such as pollution to environment.
The beneficial effect that the present invention is produced compared to existing technology:
(a) product structure is simple, and preparation process is easy, need not drop into new main equipment, and cost of production is lower;
(b) product bellmouth butt joint quality height, the bellmouth thickening strengthens, and same " circularity " of the butt joint of two bellmouths obviously improves, the cross-sectional strength height of bellmouth joint, rigidity, toughness, insulating properties are all good, wear-resisting, corrosion-resistant, and no fluid resistance increases, long service life;
(c) the product linkage function increases, and makes the melting welding effect of electric melting pipe fittings welding method remarkable, and the melting welding butt joint fast, is accurately constructed easily, and is easy to maintenance;
(d) product is safe in utilization, reliable, has eliminated leakage hidden danger, has saved energy resources, has improved systematic environment, and the cost performance excellence has vast market prospect and promotion potential;
(e) the present invention has enlarged the application area of plastic tubes such as PE, PVC-U, PVC-M.
The present invention is fit to do various water delivery engineerings, the connection tubing of gas transmission engineering; Be particularly suitable for doing the bellmouth thickening enhancing of plastic tubes such as PE, PVC-U, PVC-M.
Description of drawings
Fig. 1 is a sectional view of the present invention.
Fig. 2 is the partial sectional view of the end bell of Fig. 1.
Fig. 3 is a making flow chart of the present invention.
Fig. 4 is the value schedule of proportion of the corresponding ratio of the thick H of bulge loop ring of the present invention, tube wall outer diameter D, pipe wall thickness S.
Among the figure: 1, tube wall, 2, bellmouth, 3, bulge loop, L-is long, and the H-ring is thick, D-external diameter, S-wall thickness, W-transition zone, 4, around steel wire, 5, glue-line, 6, anticorrosive coat.
Embodiment
Referring to accompanying drawing, a kind of socket reinforced composite plastic pipe, it comprises tube wall 1 and bellmouth 2, the tube wall 1 of the long L of its bellmouth 2 inner end diameter is provided with a bulge loop 3.
Shown in accompanying drawing 4, D-tube wall 1 external diameter (mm), S-tube wall 1 wall thickness (mm), H-bulge loop 3 rings thick (mm), L-bellmouth 2 inner end diameter long (mm).In order further to improve the combination property of tubing, rigidity, intensity, toughness, insulating properties, wear resistance, the corrosion resistance of product can both be increased substantially, pipe to the big or small outer diameter D of difference, adopt the thick H of corresponding bulge loop 3 rings, tube wall 1 wall thickness S, present embodiment provides the thick H of bulge loop 3 ring and tube wall 1 outer diameter D and the value proportion of the mutual corresponding ratio of tube wall 1 wall thickness S to be:
For implementation structure optimization, its further step is: the thick H of bulge loop 3 ring and tube wall 1 outer diameter D are H7.7~76.20mm ︰ D63~630mm ︰ S5.8~57.20mm with the corresponding ratio of tube wall 1 wall thickness S; Corresponding ratio in the thick H of bulge loop 3 ring and tube wall 1 outer diameter D and tube wall 1 wall thickness S is H6.3~61.70mm ︰ D63~630mm ︰ S4.7~46.30mm; Corresponding ratio in the thick H of bulge loop 3 ring and tube wall 1 outer diameter D and tube wall 1 wall thickness S is H6.0~49.80mm ︰ D75~630mm ︰ S4.5~37.40mm; Corresponding ratio in the thick H of bulge loop 3 ring and tube wall 1 outer diameter D and tube wall 1 wall thickness S is H5.7~40.00mm ︰ D90~630mm ︰ S4.3~30.00mm; Corresponding ratio in the thick H of bulge loop 3 ring and tube wall 1 outer diameter D and tube wall 1 wall thickness S is H5.6~29.40mm ︰ D110~630mm ︰ S4.2~24.10mm.
In order to prevent that its tube wall 1 cavity fluid resistance increases, so bulge loop 3 interior edge faces and the adaptive place of tube wall 1 internal diameter are set to the end face of transition zone W, has better solved this problem because of behind the thick H of bellmouth 2 internal diameters increase bulge loop 3 rings.
In order to enlarge application area of the present invention and to improve the combination property of using tubing, one deck is set again around steel wire 4 and glue-line 5 outside socket reinforced composite plastic pipe, outside around steel wire 4 and glue-line 5, cover anticorrosive coat 6 again, bellmouth 2 thickness sizes of tube wall 1 outer most surrounding steel wire 4 are constant, around steel wire 4 position thickness are 1/2nd of nominal pressure grades, see accompanying drawing 2.
In order to simplify technology, bulge loop 3 and the adaptive and setting that is formed in one of tube wall 1 internal diameter.
For the transformation that adapts to existing engineering and the replacing of old pipe, bulge loop 3 is adaptive and for dividing a body formed setting with tube wall 1 internal diameter; Divide body formed setting can be on production line adaptive making tube wall 1 and bulge loop 3 or bulge loop 3 made separately; During use, being coated with one deck viscose glue between bulge loop 3 outsides and tube wall 1 inner chamber is that both are one through the viscose glue strong bonded; This mode of execution is transformed most convenient, direct to the bellmouth of existing engineering of having laid, and General is very good.
Shown in accompanying drawing, the technology that the present invention makes a kind of bellmouth enhancement mode composite pipe is: at first prepare production line by the technological process of establishment, this production line is prepared manufacturing mechanisms such as dryer, extruder, die head, tag line machine, mould, vacuum box, spraying box, tractor, cutting machine and discharging frame according to operation, the production process of corresponding product is accurately installed each device location, and carries out the debugging of production line synchronization control; Corresponding each equipment carries out specific operation, below is to be adapted for integrated technological process production and operation with bulge loop 3 and tube wall 1 internal diameter;
I, startup dryer, the dosing machine confected materials is carried out drying process;
II, through extruder dried raw material is carried out mixing fusing, i.e. plasticizing is puddled and is extruded;
III, adjust through extruder and die head constant temperature, pipe and output promptly are extruded to shape;
IV, identify through die head, mould, tag line machine, extruder and to cover and output;
V, determine the product external diameter through the absorption of vacuum box and mould;
VI, travel at the uniform speed at a slow speed in vacuum box, make the thickening of tube wall 1 internal diameter through tractor;
VII, travel at the uniform speed fast in vacuum box, make tube wall 1 internal diameter subtract book through tractor;
VIII, travel at the uniform speed at a slow speed in vacuum box, make the thickening of tube wall 1 internal diameter through tractor;
IX, through spraying box spray, cooling;
X, tube wall 1 continue operation forward by the tractor traction;
XI, by cutting machine automatically control determine size and cut into the pipe material product of required model length.
Above-mentioned thickening, the control principle that subtracts book, thickening are: tractor is by carrying out the transition to quick operation at a slow speed, again by carrying out the transition to slow running fast.Tube wall 1 obtains transition tube wall 1 internal diameter by thick attenuation gradually earlier, this transition tube wall 1 internal diameter is bulge loop 3 interior edge faces and the adaptive transition zone W of tube wall 1 internal diameter, controlling tractor afterwards travels at the uniform speed fast to the stroke of needs, obtain the tube wall 1 wall thickness S of needed even attenuate, i.e. the tubing of each corresponding ratio; Then, tractor again by quick run transition to slow running, tube wall 1 obtains one earlier by thin transition tube wall 1 internal diameter of thickening gradually, this transition tube wall 1 internal diameter is bulge loop 3 interior edge faces and the adaptive transition zone W of tube wall 1 internal diameter, control the tractor long stroke of L that travels at the uniform speed at a slow speed afterwards, make and obtain the long uniformly thicken of L on the tube wall 1 of the long L of bellmouth 2 inner end diameter, be the thick H of bulge loop 3 ring, obtain on the tube wall 1 that each corresponding ratio all meets path length L in requirement of engineering and bellmouth 2 two end part all tubing of uniformly thicken simultaneously.
Composite pipe tube wall 1 of the present invention through uniformly thicken, gradually attenuate, evenly attenuate, gradually after the operations such as thickening, uniformly thicken, all standard composite pipes of uniformly thicken have been become on the tube wall 1 of path length L in bellmouth 2 two ends that adhere to specification, carry out fixed ruler cutting through cutting machine again, finish through the discharging of discharging frame again after the cut-out, make it become the bellmouth enhancement mode composite pipe of commercially available gage length size.
It below only is preferred embodiment of the present invention, according to above-mentioned design of the present invention, those skilled in the art also can make various modifications and conversion to this, as, the tube wall total thickness control of tube wall bellmouth two end part and interior path length L, the conversion and the modification of the span of the corresponding ratio of the thick H of bulge loop ring, tube wall outer diameter D, pipe wall thickness S and the speed controlling of tractor etc., however similar this conversion and modification all belong to essence of the present invention.

Claims (10)

1. socket reinforced composite plastic pipe, it comprises tube wall (1) and bellmouth (2), it is characterized in that the tube wall (1) of the long L of bellmouth (2) inner end diameter is provided with a bulge loop (3).
2. a kind of socket reinforced composite plastic pipe according to claim 1 is characterized in that the thick H of bulge loop (3) ring and tube wall (1) outer diameter D and the corresponding ratio of tube wall (1) wall thickness S are H7.7~76.20mm ︰ D63~630mm ︰ S5.8~57.20mm.
3. a kind of socket reinforced composite plastic pipe according to claim 1 is characterized in that the thick H of bulge loop (3) ring and tube wall (1) outer diameter D and the corresponding ratio of tube wall (1) wall thickness S are H6.3~61.70mm ︰ D63~630mm ︰ S4.7~46.30mm.
4. a kind of socket reinforced composite plastic pipe according to claim 1 is characterized in that the thick H of bulge loop (3) ring and tube wall (1) outer diameter D and the corresponding ratio of tube wall (1) wall thickness S are H6.0~49.80mm ︰ D75~630mm ︰ S4.5~37.40mm.
5. a kind of socket reinforced composite plastic pipe according to claim 1 is characterized in that the thick H of bulge loop (3) ring and tube wall (1) outer diameter D and the corresponding ratio of tube wall (1) wall thickness S are H5.7~40.00mm ︰ D90~630mm ︰ S4.3~30.00mm.
6. a kind of socket reinforced composite plastic pipe according to claim 1 is characterized in that the thick H of bulge loop (3) ring and tube wall (1) outer diameter D and the corresponding ratio of tube wall (1) wall thickness S are H5.6~29.40mm ︰ D110~630mm ︰ S4.2~24.10mm.
7. a kind of socket reinforced composite plastic pipe according to claim 1 is characterized in that bulge loop (3) interior edge face and tube wall (1) internal diameter are adaptive and is provided with transition zone W.
8. a kind of socket reinforced composite plastic pipe according to claim 1 is characterized in that bulge loop (3) and the adaptive and setting that is formed in one of tube wall (1) internal diameter.
9. a kind of socket reinforced composite plastic pipe according to claim 1 is characterized in that bulge loop (3) and tube wall (1) internal diameter are adaptive and is the body formed setting of branch.
10. make the technology of the described a kind of socket reinforced composite plastic pipe of claim 1, it is characterized in that it makes raw material with the plastic resin mixed ingredients, simultaneously make product under the synchronization control of manufacturing mechanisms such as dryer, extruder, die head, tag line machine, mould, vacuum box, spraying box, tractor, cutting machine, its operating procedure is as follows:
I, raw material drying processing-dryer;
II, plasticizing are puddled and are extruded-extruder;
III, constant temperature adjust output-extruder, die head;
IV, sign covering-die head, mould, tag line machine, extruder;
V, vacuum sizing-mould, vacuum box;
VI, the slow running of tube wall (1) internal diameter thickening-tractor, vacuum box;
VII, tube wall (1) internal diameter attenuate-tractor move fast, vacuum box;
VIII, the slow running of tube wall (1) internal diameter thickening-tractor, vacuum box;
IX, spray, cooling-spraying box;
X, traction-tractor;
XI, scale, cut-out-cutting machine.
CN2010101205299A 2010-03-10 2010-03-10 Socket reinforced composite plastic pipe and manufacturing process thereof Active CN101788084B (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
CN2010101205299A CN101788084B (en) 2010-03-10 2010-03-10 Socket reinforced composite plastic pipe and manufacturing process thereof

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CN101788084A true CN101788084A (en) 2010-07-28
CN101788084B CN101788084B (en) 2011-11-30

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103807520A (en) * 2013-12-31 2014-05-21 湖南振辉管业有限公司 Production line for manufacturing liner plastic socket type cast iron pipe
CN105546231A (en) * 2016-02-29 2016-05-04 张生兰 High-strength weather-resisting composite plastic pipe
CN105673956A (en) * 2014-11-21 2016-06-15 湖南振辉管业有限公司 Environmentally-friendly ceramic coating nodular cast iron pipe and manufacturing method thereof
CN108081647A (en) * 2017-12-13 2018-05-29 贵州黔峰管业有限公司 A kind of manufacturing process of PE feed pipes

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB997551A (en) * 1961-02-25 1965-07-07 Alexander Wiedenhoff Improvements in or relating to the production of extrusion bodies with widenings and/or thickenings particularly tubes
JPS51149368A (en) * 1975-06-17 1976-12-22 Kubota Ltd Device for producing plastic pipe having thick portion at one end
JPS5216569A (en) * 1975-07-30 1977-02-07 Kubota Ltd Method of producing plastic tube having socket for connecting tube
JPH07317972A (en) * 1994-05-31 1995-12-08 Sekisui Chem Co Ltd Pipe with fiber reinforced resin socket
CN1367075A (en) * 2002-02-05 2002-09-04 揭东经济开发试验区泰丰侨金属制品有限公司 Production method of steel-plastics composite pipe whose exterior is galvanized and interior is lined with polyethylene
CN101148524A (en) * 2007-11-13 2008-03-26 戴恩晞 Heat resistance reinforced polyethylene pipe and its preparation method
CN101532591A (en) * 2009-04-01 2009-09-16 王桂花 UPVC pipe material/element and preparation method thereof

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB997551A (en) * 1961-02-25 1965-07-07 Alexander Wiedenhoff Improvements in or relating to the production of extrusion bodies with widenings and/or thickenings particularly tubes
JPS51149368A (en) * 1975-06-17 1976-12-22 Kubota Ltd Device for producing plastic pipe having thick portion at one end
JPS5216569A (en) * 1975-07-30 1977-02-07 Kubota Ltd Method of producing plastic tube having socket for connecting tube
JPH07317972A (en) * 1994-05-31 1995-12-08 Sekisui Chem Co Ltd Pipe with fiber reinforced resin socket
CN1367075A (en) * 2002-02-05 2002-09-04 揭东经济开发试验区泰丰侨金属制品有限公司 Production method of steel-plastics composite pipe whose exterior is galvanized and interior is lined with polyethylene
CN101148524A (en) * 2007-11-13 2008-03-26 戴恩晞 Heat resistance reinforced polyethylene pipe and its preparation method
CN101532591A (en) * 2009-04-01 2009-09-16 王桂花 UPVC pipe material/element and preparation method thereof

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103807520A (en) * 2013-12-31 2014-05-21 湖南振辉管业有限公司 Production line for manufacturing liner plastic socket type cast iron pipe
CN103807520B (en) * 2013-12-31 2016-05-04 湖南振辉管业有限公司 A kind of production line of making lining plastic spipot and socket cast iron pipe
CN105673956A (en) * 2014-11-21 2016-06-15 湖南振辉管业有限公司 Environmentally-friendly ceramic coating nodular cast iron pipe and manufacturing method thereof
CN105673956B (en) * 2014-11-21 2019-04-19 湖南振辉管业有限公司 A kind of enviroment protective ceramic coating ductile iron pipe and preparation method thereof
CN105546231A (en) * 2016-02-29 2016-05-04 张生兰 High-strength weather-resisting composite plastic pipe
CN108081647A (en) * 2017-12-13 2018-05-29 贵州黔峰管业有限公司 A kind of manufacturing process of PE feed pipes

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