CN101362387A - Composite pipe production method - Google Patents

Composite pipe production method Download PDF

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Publication number
CN101362387A
CN101362387A CNA2007100296956A CN200710029695A CN101362387A CN 101362387 A CN101362387 A CN 101362387A CN A2007100296956 A CNA2007100296956 A CN A2007100296956A CN 200710029695 A CN200710029695 A CN 200710029695A CN 101362387 A CN101362387 A CN 101362387A
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CN
China
Prior art keywords
metal
production method
core rod
layer
composite
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Pending
Application number
CNA2007100296956A
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Chinese (zh)
Inventor
武济群
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武济群
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Priority to CNA2007100296956A priority Critical patent/CN101362387A/en
Publication of CN101362387A publication Critical patent/CN101362387A/en
Pending legal-status Critical Current

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Abstract

The invention relates to a composite tube manufacturing method, which comprises the following steps: firstly, a metal mould core is provided, and a layer of metal inner tube is deposited on the outer surface of the metal mould core by nano metal by using an electrochemical process, wherein, the nano metal is not absorbed by the metal mould core; secondly, a composite material layer with reinforced fiber and thermosetting resin or a plastic material layer is molded on the outer surface of the metal inner tube; thirdly, the metal mould core is drawn out to form a rough blank; and fourthly, the rough blank is cut. The composite tube manufactured by adopting the composite tube manufacturing method has an extremely thin inner metal layer, and not only the inner wall is smooth and abrasion resistant, but also the overall weight is light and the strength is high.

Description

Composite pipe production method
Technical field
The present invention relates to a kind of tubing manufacture method, relate in particular to a kind of composite pipe production method.
Background technology
In known tubing, common metal pipe such as corrosion resistances such as common steel tube, cast iron pipe are poor, quality is too heavy, though and chemical property such as the metal tube of special material such as nickel pipe, stainless steel tube and mechanical performance are relatively good, but cost is too high, though plastic tube, composite glass steel pipe light weight, but inside pipe wall is coarse, and all these tubing all can only be used for some specific industries, and can not be used widely.Therefore, industry adopts specific metal and makes inner wall smooth, erosion resistant as inwall at the metal and the multiple tube of plastics or fiberglass striven to the comprehensive above material advantage of development, skin employing plastics or fiberglass and make multiple tube light weight, intensity height.This multiple tube requires in the metal layer thickness of internal layer that still available traditional handicraft makes under the not too thin situation, but metal layer thickness requires as 0.05 millimeter, still not have effective ways at present and make this multiple tube very thin the time.
Summary of the invention
The purpose of this invention is to provide a kind of composite pipe production method, manufacturing has the multiple tube of inner metal layer as thin as a wafer, makes multiple tube inner wall smooth, erosion resistant, light weight, intensity height.
To achieve these goals, compound pipe molding technology provided by the invention comprises following operation: (1) provides a metal core rod, and the outer surface of metal core rod by with described metal core rod not mutually the nano level metal of absorption form in the layer of metal by the electrochemical process deposition and manage; (2) have the composite layer or the plastic material layer of fortifying fibre and thermosetting resin at outer surface moulding one deck of metal inner pipe; (3) withdrawing goes out described metal core rod and the shape coarse-blank; (4) the described thick embryo of cutting.
Preferably, described nano level metal is a nickel.
In an embodiment of the present invention, described metal core rod is stainless steel core rod or iron core.
As one embodiment of the present of invention, the step of forming composite layer comprises in the described step (2): fortifying fibre in layer is bonded in the outer surface of described metal inner pipe with thermosetting resin, and applies high temperature and be cured.
Alternatively, described fortifying fibre is glass fibre or carbon fiber or graphite fibre, and described thermosetting resin is unsaturated polyester resin or epoxy resin.
As an alternative embodiment of the invention, the plastic material layer in the described step (2) is to form by irritating plastic material material in the outer surface injection moulding of described metal inner pipe.
The invention has the beneficial effects as follows: because metal inner pipe at first is to be deposited on the core rod by electrochemical process by nano level metal, because the support of core rod is arranged, so metal inner pipe can be made as thin as a wafer, again because metal inner pipe and not absorption mutually of core rod, so after composite layer or plastic material layer are molded on the metal inner pipe, core rod can detach out, can make the multiple tube of predetermined dimension again by cutting.Pipe makes inner wall smooth in the nano level metal of this multiple tube, and wear-corrosion resistance is good, and the composite layer of fortifying fibre and thermosetting resin or plastic material layer make multiple tube light weight, mechanical strength height.
By following description also in conjunction with the accompanying drawings, it is more clear that the present invention will become, and these accompanying drawings are used to explain embodiments of the invention.
Description of drawings
Fig. 1 is the flow chart of composite pipe production method of the present invention.
Fig. 2 has showed the schematic diagram that uses composite pipe production method shown in Figure 1 to form multiple tube.
The specific embodiment
Referring to Fig. 1, composite pipe production method provided by the invention comprises the steps: that (1) provides the stainless steel core rod, and form pipe (step S1) in the layer of metal by nanoscale nickel metal by the electrochemical process deposition at the outer surface of stainless steel core rod, because the support of stainless steel core rod is arranged, the thickness of described metal inner pipe deposition can be decided as required, even very thin, also can realize; (2) have the composite layer or the plastic material layer (step S2) of fortifying fibre and thermosetting resin at outer surface moulding one deck of metal inner pipe, owing between composite layer or plastic material layer and the metal inner pipe absorption affinity is arranged, so composite layer or plastic material layer and metal inner pipe combine; (3) owing to not having absorption affinity between nanoscale nickel metal and the stainless steel core rod, so can go out described stainless steel core rod and shape coarse-blank (step S3) by withdrawing; (4) specification is as required so finished the manufacturing of multiple tube as thick embryo (step S4) as described in the cutting such as length.
Described fortifying fibre can be glass fibre or carbon fiber or graphite fibre, and described thermosetting resin can be unsaturated polyester resin or epoxy resin.In step (2), the step of forming composite layer comprises: fortifying fibre in layer is bonded in the outer surface of described metal inner pipe with thermosetting resin, and applies high temperature and be cured.
In the present embodiment, the plastic material layer in the described step (2) is to form by irritating plastic material material in the outer surface injection moulding of described metal inner pipe.
Understandably, the present invention also can use other any metal core rods beyond the stainless steel core rod, iron core for example, and use these metal core rods also can both reach identical technique effect.Be appreciated that ground equally, thereby the present invention can use other nano level metals to replace nanoscale nickel metal to be deposited as metal inner pipe, as long as these nano level metals and the not absorption mutually of metal core rod.
Fig. 2 has showed the schematic diagram that uses composite pipe production method shown in Figure 1 to form multiple tube.To tell about in detail below.
At first, be deposited as by nanoscale nickel metal at the outer surface of stainless steel core rod 100 and manage 101 in the layer of metal.Described deposition is finished by electrochemical process.Owing to the support of stainless steel core rod 100 is arranged, so metal inner pipe 101 can be made as thin as a wafer.Do not have absorption affinity between described metal inner pipe 101 and the described stainless steel core rod 100, so stainless steel core rod 100 can freely detach out.The nano level metal of present embodiment can be so that multiple tube inner wall smooth and resistance to abrasion.
Then, moulding one deck has the composite layer 200 of fortifying fibre and thermosetting resin on the outer surface of metal inner pipe 101.Wherein, forming composite layer 200 comprises and in layer is bonded in fortifying fibre on the outer surface of described metal inner pipe 101 with thermosetting resin and applies the step that high temperature is cured.Like this, covered the composite layer 200 of one deck on the described metal inner pipe 101 by multilayer fortifying fibre and thermosetting resin.Have absorption affinity between described metal inner pipe 101 and the described composite layer 200, this absorption affinity makes bonding very tight between metal inner pipe 101 and the described composite 200.In the present embodiment, the composite layer of fortifying fibre and thermosetting resin makes multiple tube light weight, mechanical strength height.
Subsequently, thus withdrawing goes out described stainless steel core rod 100 shape coarse-blanks 300.Described thick embryo 300 has metal inner pipe 101 and composite layer 200.
At last, according to required specification as thick embryo 300 as described in the cutting such as length, thereby obtain the multiple tube 400 of predetermined dimension.The composite layer 200 that described multiple tube 400 has the metal inner pipe 101 that is made of nanoscale nickel metal and is made of the composite of multilayer fortifying fibre and thermosetting resin, therefore described multiple tube 400 inner wall smooth erosion resistant not only, and total quality is light, intensity is high.
Above invention has been described in conjunction with most preferred embodiment, but the present invention is not limited to the embodiment of above announcement, and should contain various modification, equivalent combinations of carrying out according to essence of the present invention.

Claims (7)

1. a composite pipe production method is characterized in that comprising the steps:
(1) provide a metal core rod, and the outer surface of metal core rod by with described metal core rod not mutually the nano level metal of absorption form in the layer of metal by the electrochemical process deposition and manage;
(2) have the composite layer or the plastic material layer of fortifying fibre and thermosetting resin at outer surface moulding one deck of metal inner pipe;
(3) withdrawing goes out described metal core rod and the shape coarse-blank; And
(4) the described thick embryo of cutting.
2. composite pipe production method as claimed in claim 1 is characterized in that: described nano level metal is a nickel.
3. composite pipe production method as claimed in claim 2 is characterized in that: described metal core rod is stainless steel core rod or iron core.
4. composite pipe production method as claimed in claim 1, it is characterized in that: the step of forming composite layer comprises in the described step (2): fortifying fibre in layer is bonded in the outer surface of described metal inner pipe with thermosetting resin, and applies high temperature and be cured.
5. composite pipe production method as claimed in claim 4 is characterized in that: described fortifying fibre is glass fibre or carbon fiber or graphite fibre.
6. composite pipe production method as claimed in claim 4 is characterized in that: described thermosetting resin is unsaturated polyester resin or epoxy resin.
7. composite pipe production method as claimed in claim 1 is characterized in that: the plastic material layer in the described step (2) is to form by irritating plastic material material in the outer surface injection moulding of described metal inner pipe.
CNA2007100296956A 2007-08-10 2007-08-10 Composite pipe production method Pending CN101362387A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNA2007100296956A CN101362387A (en) 2007-08-10 2007-08-10 Composite pipe production method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNA2007100296956A CN101362387A (en) 2007-08-10 2007-08-10 Composite pipe production method

Publications (1)

Publication Number Publication Date
CN101362387A true CN101362387A (en) 2009-02-11

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Family Applications (1)

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CNA2007100296956A Pending CN101362387A (en) 2007-08-10 2007-08-10 Composite pipe production method

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CN (1) CN101362387A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102720721A (en) * 2012-07-02 2012-10-10 江苏恒神纤维材料有限公司 Carbon fiber composite material reinforcing hydraulic oil cylinder
WO2013185451A1 (en) * 2012-06-14 2013-12-19 中联重科股份有限公司 Method for manufacturing cylinder body of actuating cylinder and concrete pumping apparatus
CN103740056A (en) * 2013-12-19 2014-04-23 国家电网公司 Glass fiber reinforced plastic material and telegraph pole provided with glass fiber reinforced plastic sheathing plate
CN105837884A (en) * 2016-06-06 2016-08-10 太仓斯普宁精密机械有限公司 Wear-resistant composite part easy to machine

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013185451A1 (en) * 2012-06-14 2013-12-19 中联重科股份有限公司 Method for manufacturing cylinder body of actuating cylinder and concrete pumping apparatus
CN102720721A (en) * 2012-07-02 2012-10-10 江苏恒神纤维材料有限公司 Carbon fiber composite material reinforcing hydraulic oil cylinder
CN103740056A (en) * 2013-12-19 2014-04-23 国家电网公司 Glass fiber reinforced plastic material and telegraph pole provided with glass fiber reinforced plastic sheathing plate
CN105837884A (en) * 2016-06-06 2016-08-10 太仓斯普宁精密机械有限公司 Wear-resistant composite part easy to machine

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Open date: 20090211