CN101158424A - Metal mesh plastic composite pipe winded with reinforced structure and preparation method thereof - Google Patents
Metal mesh plastic composite pipe winded with reinforced structure and preparation method thereof Download PDFInfo
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- CN101158424A CN101158424A CNA2007101349221A CN200710134922A CN101158424A CN 101158424 A CN101158424 A CN 101158424A CN A2007101349221 A CNA2007101349221 A CN A2007101349221A CN 200710134922 A CN200710134922 A CN 200710134922A CN 101158424 A CN101158424 A CN 101158424A
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Abstract
The invention relates to a wire mesh-plastic composited tube twined with reinforcing tape structure and the preparation method. The composited tube is formed by the combination of an inner layer blank pipe (1), a twined tape reinforcing body (2) and an outer layer pipe (3). The twined tape reinforcing body (2) is of reinforcing structure formed by cross twining n layers of twined tapes round the inner blank pipe layer, wherein, the n is a natural number more than or equal to two. The preparation method comprises the prefabrication of the twined tape and the preparation of the composited tube. The preparation of the composited tube comprises the following processes: a plastic inner layer blank pipe is first extruded. Then the prefabricated tape is cross twined round the inner layer blank pipe and the twined tape reinforcing body is heated with a high frequency heating ring. In the end, a layer of plastic is extruded to cover over the twined tape reinforcing body. The invention avoids uneven distribution of twined wire owing to self stress of the wire and the processing of an outer layer plastic pipe, improves the security of the composited tube, enhances the combining strength of the inner layer blank pipe, the twined tape reinforcing body and the outer layer pipe and the loading capacity of the multiple-unit tube.
Description
Technical field
The present invention relates to a kind of metal mesh plastic composite pipe, particularly be metal mesh plastic composite pipe of a kind of winded with reinforced structure and preparation method thereof.Belong to the pipe part technical field.
Background technique
The exploitation of plastic tube and applying the time that arranged decades, plurality of advantages such as plastic tube is corrosion-resistant, wear-resistant with it, wholesomeness is good, circulation is good, energy-conserving and environment-protective have obtained using widely.But simultaneously plastic tube not ageing-resistant, intensity is low, serviceability temperature is not high, poor heat stability and easily weakness such as environment stress cracking often limited its use field and scope.Therefore in recent years the improvement of plastic tube performance and structure has been obtained people in the industry's attention, a large amount of composite metal plastic pipes continue to bring out, and wherein steel wire strengthens composite pipe typical case the most.
Steel wire strengthens composite pipe at present has welding of steel wire longitude and latitude and steel wire intersection to twine two kinds with the structure branch that strengthens body.Because steel wire strengthens the expected design 60%～80% of composite pipe compressive strength, by strengthening the body structure contribution, the reliability and stability that therefore strengthen body structure will determine the withstand voltage reliability and stability of composite pipe.And two kinds of steel wires enhancing composite pipes using at present more or less exist some defectives and deficiency on the enhancing structure.It is more reasonable that the welded steel wire of steel wire longitude and latitude strengthens composite pipe enhancing structure, withstand voltage properties is more superior, but have numerous soldering point because steel wire longitude and latitude welding procedure makes on its whole enhancing body structure, the weld strength of each soldering point all will directly influence the intensity that strengthens body.Therefore it is bigger to analyze its technology risk technically, often a soldering point rosin joint or leak the global failure that weldering may cause whole composite pipe.It is fairly simple that the steel wire of steel wire intersection winding structure strengthens composite pipe technology, but the steel wire winding can be subjected to the stress of winding steel wire itself and the influence that outer layer plastic tube wall compound tense is waited the thrust of die head, it is local inhomogeneous to make the steel wire winding arrange, the place of steel wire distribution density minimum is for strengthening the weak spot of body, as the a-quadrant among Fig. 1.This greatly reduces the bulk strength that strengthens body.The inhomogeneous global failure that also may cause whole composite pipe that steel wire twines.Therefore above-mentioned two kinds of steel wires strengthen composite pipe and have only played structural re-enforcement, and the humidification that strengthens body is not fully exerted, and the enhancing body does not have and the composite pipe overall structure combines together, also do not have to form composite pipe truly.The fact more than some problems that take place in application of practical project have also reflected.
Summary of the invention
The objective of the invention is in order to overcome above defective and deficiency, provide a kind of steel wire to twine and be evenly distributed, strengthen metal mesh plastic composite pipe of the more rational winded with reinforced structure of body structure and preparation method thereof.
The object of the present invention is achieved like this: a kind of metal mesh plastic composite pipe of winded with reinforced structure, and described composite pipe strengthens body by internal layer embryonic tube, take-up strap and external pipe is composited from the inside to the outside,
It is to make the left and right take-up strap that intersects winding and form that revolves by the multi-lay winding band on the internal layer embryonic tube to strengthen body structure that described take-up strap strengthens body,
Described winding has the n layer, and n is 〉=2 natural number,
Described take-up strap is the reinforcing band that forms by many steel wires of the blend that coats binder or binder and plastics in advance or steel wire establishment band.
The preparation method of the metal mesh plastic composite pipe of winded with reinforced structure of the present invention comprises following process step:
Be with blend to form take-up strap on many steel wires or steel wire establishment by coextru-lamination one deck binder or binder and plastics;
At first extrude one deck inner plastic embryonic tube by extrusion shaping machine, then prefabricated take-up strap is passed through a left side according to certain pitch, the dextrorotation intersection is wrapped on the internal layer embryonic tube, form take-up strap and strengthen body, then the take-up strap that is wrapped on the internal layer embryonic tube by a radio frequency heating circle heating strengthens body, make the binder of coating steel wire or steel wire establishment band or the blend of binder and plastics reach the viscosity flow state, extruding one deck plastic overmold by extrusion shaping machine more at last strengthens on the body at take-up strap, form outer wall, finally be compounded to form the composite pipe that combines together fully.
Structure of the present invention and technology have avoided steel wire to twine because the skewness that stress own and processing outer layer plastic tube cause, improved the Security of composite pipe, strengthen the combined strength bination of composite pipe internal layer embryonic tube, take-up strap enhancing body and external pipe greatly, improved the bearing capacity of composite pipe.Multi-lay winding by take-up strap can also produce the bigger composite pipe of bearing capacity.
Description of drawings
Fig. 1 strengthens steel wire in the composite pipe schematic representation of arranging for steel wire in the past intersects the steel wire of winding structure.
Fig. 2 is the metal mesh plastic composite pipe structural representation of winded with reinforced structure of the present invention.
Fig. 3 is the metal mesh plastic composite pipe vertical section structure schematic representation of steel wire winded with reinforced structure of the present invention.
Fig. 4 is a steel wire take-up strap Facad structure schematic representation among Fig. 3.
Fig. 5 is the B-B cut-away view of Fig. 4.
Fig. 6 is the metal mesh plastic composite pipe vertical section structure schematic representation of steel wire establishment winded with reinforced structure of the present invention.
Fig. 7 is a steel wire establishment take-up strap Facad structure schematic representation among Fig. 6.
Fig. 8 is the C-C cut-away view of Fig. 7.
Fig. 9 (a) (b) (c) (d) (e) be preparation process's flow chart of the present invention.
Among the figure: a-quadrant, internal layer embryonic tube 1, take-up strap strengthen blend 2.1.1, steel wire 2.1.2 and the steel wire establishment band 2.1.3 of body 2, external pipe 3, radio frequency heating circle 4, take-up strap 2.1, binder or binder and plastics.
Embodiment
Referring to Fig. 2, the metal mesh plastic composite pipe of the winded with reinforced structure that the present invention relates to is composited from the inside to the outside by internal layer embryonic tube 1, take-up strap enhancing body 2 and external pipe 3.It is to make to intersect the take-up strap enhancing body structure that twines and form by multi-lay winding band 2.1 on internal layer embryonic tube 1 that described take-up strap strengthens body 2, and described winding has the n layer, and n is 〉=2 natural number.
Described take-up strap 2.1 is the reinforcing bands by the many steel wire 2.1.2 of the blend 2.1.1 that coats binder or binder and plastics in advance, as Fig. 3,4 and 5.
Described take-up strap 2.1 also can be the reinforcing band by the steel wire establishment band 2.1.3 of the blend 2.1.1 that coats binder or binder and plastics in advance, as Fig. 6,7 and 8.
Coat the binder of steel wire or steel wire establishment band or the blend of binder and plastics and make take-up strap strengthen body and the complete compound one that is of internal and external layer plastic tube, as Fig. 2.
The concrete technological process of the metal mesh plastic composite pipe of preparation winded with reinforced structure is as follows:
One, prefabricated take-up strap
Be with blend to form take-up strap on many steel wires or steel wire establishment, as Fig. 4 or 7 by coextru-lamination one deck binder or binder and plastics.
Two, preparation composite pipe
At first extrude one deck inner plastic embryonic tube, as Fig. 9 (a) by extrusion shaping machine; Then prefabricated take-up strap is wrapped on the internal layer embryonic tube by the left and right intersection of revolving according to certain pitch, forms take-up strap and strengthen body, as Fig. 9 (b), Fig. 9 (c); Then the take-up strap that is wrapped on the internal layer embryonic tube by a radio frequency heating circle heating strengthens body, makes the binder of coating steel wire or steel wire establishment band or the blend of binder and plastics reach the viscosity flow state, as Fig. 9 (d); Extrude one deck plastic overmold by extrusion shaping machine more at last and strengthen on the body, form outer wall, finally be compounded to form the composite pipe that combines together fully, as Fig. 9 (e) at take-up strap.
Claims (2)
1. the metal mesh plastic composite pipe of a winded with reinforced structure is characterized in that described composite pipe strengthens body (2) by internal layer embryonic tube (1), take-up strap and external pipe (3) is composited from the inside to the outside,
It is to make the left and right take-up strap that intersects winding and form that revolves by multi-lay winding band (2.1) on internal layer embryonic tube (1) to strengthen body structure that described take-up strap strengthens body (2),
Described winding has the n layer, and n is 〉=2 natural number,
Described take-up strap (2.1) is the reinforcing band that forms by the many steel wires (2.1.2) of the blend (2.1.1) that coats binder or binder and plastics in advance or steel wire establishment band (2.1.3).
2. preparation method of the metal mesh plastic composite pipe of winded with reinforced structure according to claim 1 is characterized in that described method comprises following process step:
Step 1, prefabricated take-up strap
Be with blend to form take-up strap on many steel wires or steel wire establishment by coextru-lamination one deck binder or binder and plastics;
Step 2, preparation composite pipe
At first extrude one deck inner plastic embryonic tube by extrusion shaping machine, then prefabricated take-up strap is passed through a left side according to certain pitch, the dextrorotation intersection is wrapped on the internal layer embryonic tube, form take-up strap and strengthen body, then the take-up strap that is wrapped on the internal layer embryonic tube by a radio frequency heating circle heating strengthens body, make the binder of coating steel wire or steel wire establishment band or the blend of binder and plastics reach the viscosity flow state, extruding one deck plastic overmold by extrusion shaping machine more at last strengthens on the body at take-up strap, form outer wall, finally be compounded to form the composite pipe that combines together fully.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101349221A CN101158424A (en) | 2007-10-29 | 2007-10-29 | Metal mesh plastic composite pipe winded with reinforced structure and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101349221A CN101158424A (en) | 2007-10-29 | 2007-10-29 | Metal mesh plastic composite pipe winded with reinforced structure and preparation method thereof |
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| Publication Number | Publication Date |
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| CN101158424A true CN101158424A (en) | 2008-04-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNA2007101349221A Pending CN101158424A (en) | 2007-10-29 | 2007-10-29 | Metal mesh plastic composite pipe winded with reinforced structure and preparation method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103264507A (en) * | 2013-06-05 | 2013-08-28 | 重庆顾地塑胶电器有限公司 | Winding production process of heavy-calibre steel wire mesh reinforced water feed pipe |
| CN104976444A (en) * | 2014-04-14 | 2015-10-14 | 莱芜市长江塑料制品有限公司 | PET strengthened composite pipe and preparing method thereof |
| CN105003753A (en) * | 2015-08-07 | 2015-10-28 | 广东宝通玻璃钢有限公司 | Thermoplastic pipeline related to continuous fiber reinforcement and producing method |
| CN114607844A (en) * | 2022-02-05 | 2022-06-10 | 浙江大学 | Steel wire reinforced thermoplastic plastic composite pipe for preventing end bulging failure and manufacturing method |
| CN115051306A (en) * | 2022-06-07 | 2022-09-13 | 青岛中集创赢复合材料科技有限公司 | Cable sheath pipe and preparation method thereof |
-
2007
- 2007-10-29 CN CNA2007101349221A patent/CN101158424A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103264507A (en) * | 2013-06-05 | 2013-08-28 | 重庆顾地塑胶电器有限公司 | Winding production process of heavy-calibre steel wire mesh reinforced water feed pipe |
| CN103264507B (en) * | 2013-06-05 | 2016-05-04 | 重庆顾地塑胶电器有限公司 | Large-diameter steel silk screen strengthens feed pipe and is wound around production technology |
| CN104976444A (en) * | 2014-04-14 | 2015-10-14 | 莱芜市长江塑料制品有限公司 | PET strengthened composite pipe and preparing method thereof |
| CN104976444B (en) * | 2014-04-14 | 2019-09-10 | 莱芜市长江塑料制品有限公司 | PET reinforced composite pipe material and preparation method thereof and connection method |
| CN105003753A (en) * | 2015-08-07 | 2015-10-28 | 广东宝通玻璃钢有限公司 | Thermoplastic pipeline related to continuous fiber reinforcement and producing method |
| CN114607844A (en) * | 2022-02-05 | 2022-06-10 | 浙江大学 | Steel wire reinforced thermoplastic plastic composite pipe for preventing end bulging failure and manufacturing method |
| CN114607844B (en) * | 2022-02-05 | 2022-12-27 | 浙江大学 | Steel wire reinforced thermoplastic plastic composite pipe for preventing end bulging failure and manufacturing method |
| CN115051306A (en) * | 2022-06-07 | 2022-09-13 | 青岛中集创赢复合材料科技有限公司 | Cable sheath pipe and preparation method thereof |
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