CN101672404A - Connection tube of steel wire mesh framework composite tube and manufacturing method thereof - Google Patents
Connection tube of steel wire mesh framework composite tube and manufacturing method thereof Download PDFInfo
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- CN101672404A CN101672404A CN 200910042365 CN200910042365A CN101672404A CN 101672404 A CN101672404 A CN 101672404A CN 200910042365 CN200910042365 CN 200910042365 CN 200910042365 A CN200910042365 A CN 200910042365A CN 101672404 A CN101672404 A CN 101672404A
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Abstract
The invention relates to a connection tube of a steel wire mesh framework composite tube and a manufacturing method thereof. The connection tube of the steel wire mesh framework composite tube comprises a steel wire mesh framework composite tube main body (1) and electric welding fittings (2). The connection tube of the steel wire mesh framework composite tube is characterized in that each connection port of the steel wire mesh framework composite tube main body (1) and the electric melting tube (2) are fused into a whole by an injection molding technology. Because the electric melting tube and the steel wire mesh framework composite tube main body are formed integrally by a secondary injection molding process in advance, the size stability of the tube is better, and the defect of unreasonable contraction of the wall thickness, caused by the condition that the electric melting tube and a composite tube of the prior art are separated and can be installed only when being matched, is avoided; the invention can also regulate the formed tube secondarily to match with a size tolerance, the connection mode is safe and firm, and the interface strength is high.
Description
Technical field
The present invention relates to the pipe fitting connection area, particularly a kind of connection pipe fitting of steel wire mesh framework composite tube; The invention still further relates to the making method of this connection pipe fitting.
Background technique
The steel wire mesh frame polyethylene compound pipe is a kind of NEW TYPE OF COMPOSITE structure-wall pipe material, and it is widely used in feedwater and fuel gas supply field with characteristics occuping market advantages such as long service life, good pressure-resistant performance, environmental suitability are strong.Existing steel wire mesh frame polyethylene compound pipe generally adopts electric melting pipe fittings to connect, electric melting pipe fittings and composite pipe are separated, need take into full account force value during supporting installation, and occur easily under the situation that flow strengthens connecting firm inadequately drawback, have shortcomings such as installation specification height, efficient are low.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art, design a kind of connection pipe fitting of steel wire mesh framework composite tube, solve the problems referred to above that exist in the steel wire mesh frame polyethylene compound pipe installation process.Another object of the present invention has been to comprise the making method of this connection pipe fitting.
In order to realize the object of the invention, the present invention includes following technical characteristics: a kind of connection pipe fitting of steel wire mesh framework composite tube, comprise the steel wire mesh framework composite tube main body, electric melting pipe fittings, each connecting port and the electric melting pipe fittings of described steel wire mesh framework composite tube main body combine together by Shooting Technique.Described steel wire mesh framework composite tube main body is straight-through pipe fitting, tee pipe fitting or bend pipe tools.
Innovation of the present invention is, in advance electric melting pipe fittings is adopted quadric injection mould moulding process and steel wire mesh framework composite tube main body one to embark on journey, make the dimensional stability of pipe fitting better, avoid the electric melting pipe fittings and the composite pipe of prior art to be separated, just install when supporting, cause wall thickness to produce the shortcoming of irrational contraction, the present invention also can adjust the fit dimension tolerance to the pipe fitting secondary after the moulding, make connecting mode safety firm, the joint strength height.
Further, the electric heating wire of described electric melting pipe fittings is located at the electric melting pipe fittings inwall.Owing to be embedded in pipe fitting inner wall in the electric heating wire, can keep away from moisture and the air catalytic oxidation, resistance value is stable.And the thermal conductivity of HDPE material and thermal diffusivity are all very little, after the energising welding, what at first melt is the pipe fitting inner wall material, fill the gap of pipe part, produce swelling pressure simultaneously, produced a precipitous relatively temperature field at thickness direction and distribute, guaranteed being interweaved of molecule at the interface, avoid producing thick crystalline solid, reduced simultaneously and made contact or the probability of short circuit.
Another object of the present invention is to design a kind of manufacture method of connection pipe fitting of described steel wire mesh framework composite tube, comprise the steps: earlier the steel wire mesh framework composite tube main body to be processed into the connection pipe fitting that needs, fuse into one with the connecting port and the electric melting pipe fittings of quadric injection mould moulding process then, form the connection pipe fitting of described steel wire mesh framework composite tube at last described steel wire mesh framework composite tube main body.
The present invention compared with prior art, owing to electric melting pipe fittings is adopted quadric injection mould moulding process and steel wire mesh framework composite tube main body one embark on journey in advance, make the dimensional stability of pipe fitting better, avoid the electric melting pipe fittings and the composite pipe of prior art to be separated, just install when supporting, and cause because wall thickness produces the shortcoming that irrational contraction produces, the present invention also can adjust the fit dimension tolerance to the pipe fitting secondary after the moulding, make that Placement safety is firm, the joint strength height.
Description of drawings
Fig. 1 is the structural representation of the embodiment of the invention one described straight-through adapter;
Fig. 2 is the structural representation of the embodiment of the invention two described elbow's;
Fig. 3 is the structural representation of the embodiment of the invention three described t-joints.
Embodiment
Innovation part of the present invention is that the middle steel wire mesh frame polyethylene compound pipe that changes prior art separates with electric melting pipe fittings, just need electric smelting to be fitted together the defective of being brought during supporting installation, designed a kind of connection pipe fitting of steel wire mesh framework composite tube, comprise steel wire mesh framework composite tube main body 1, electric melting pipe fittings 2, each connecting port of described steel wire mesh framework composite tube main body 1 and electric melting pipe fittings 2 combine together in advance by Shooting Technique.Owing to electric melting pipe fittings is adopted quadric injection mould moulding process and steel wire mesh framework composite tube main body one embark on journey in advance, make the dimensional stability of pipe fitting better, avoid the electric melting pipe fittings and the composite pipe of prior art to be separated, just install when supporting, cause wall thickness to produce the shortcoming of irrational contraction, the present invention also can adjust the fit dimension tolerance to the pipe fitting secondary after the moulding, makes connecting mode safety firm, the joint strength height.
The electric heating wire of described electric melting pipe fittings 2 is located at electric melting pipe fittings 2 inwalls, is embedded in pipe fitting inner wall in the electric heating wire, can keep away from moisture and the air catalytic oxidation, and resistance value is stable.And the thermal conductivity of HDPE material and thermal diffusivity are all very little, after the energising welding, what at first melt is the pipe fitting inner wall material, fill the gap of pipe part, produce swelling pressure simultaneously, produced a precipitous relatively temperature field at thickness direction and distribute, guaranteed being interweaved of molecule at the interface, avoid producing thick crystalline solid, reduced simultaneously and made contact or the probability of short circuit.
In order to realize the multiple function of coupled condition, steel wire mesh frame polyethylene compound pipe of the present invention is the straight coupling, elbow or the tee union that come out by Mould Machining, hereinafter specifies this three kinds of specific embodiments in conjunction with Figure of description:
As shown in Figure 1, adopt the tubing of one section equal specification same material of steel wire multiple tube that be connected, by two-shot process, at the prefabricated electric melting pipe fittings 2 of tubing two ends difference, the straight coupling after realization tubing and electric smelting are integrally formed with need.Described straight coupling main body is a steel wire mesh framework composite tube material main body 1.Manufacture method is: the connection pipe fitting of steel wire mesh framework composite tube (leading directly to), main body are the steel wire mesh framework composite tube material, adopt Shooting Technique that electric smelting is blended in its two ends.During use, directly tubing that will connect and connection pipe fitting are to after connecting, and the electric smelting welding gets final product.
As shown in Figure 2, adopt to produce the technology of steel wire mesh framework composite tube, the Mould Machining by special making goes out to connect steel wire mesh framework composite tube 1 elbow (45 °, 90 ° curved); Then by two-shot process, the prefabricated electric melting pipe fittings 2 respectively at the elbow two ends is realized elbow and the electric melting pipe fittings 2 steel wire mesh framework composite tube connecting bend after integrally formed.The connection pipe fitting of steel wire mesh framework composite tube (elbow), main body are the steel wire mesh framework composite tube material, adopt Shooting Technique that electric smelting is blended in its two ends.During use, directly tubing that will connect and connection pipe fitting (elbow) are to after connecting, and the electric smelting welding gets final product.
Embodiment 3
As shown in Figure 3, adopt to produce the technology of steel wire mesh framework composite tube, the Mould Machining by special making goes out three-way connector; Then by two-shot process,, realize threeway and the electric melting pipe fittings 2 steel wire mesh framework composite tube connection pipe fitting (threeway) after integrally formed at link port prefabricated electric melting pipe fittings 2 respectively.The connection pipe fitting of steel wire mesh framework composite tube (threeway), main body are the steel wire mesh framework composite tube material, adopt Shooting Technique that electric smelting is blended in its each port.During use, directly tubing that will connect and connection pipe fitting (threeway) are to after connecting, and the electric smelting welding gets final product.
Claims (4)
1, a kind of connection pipe fitting of steel wire mesh framework composite tube, comprise steel wire mesh framework composite tube main body (1), electric melting pipe fittings (2) is characterized in that each connecting port of described steel wire mesh framework composite tube main body (1) and electric melting pipe fittings (2) combine together by Shooting Technique.
2, the connection pipe fitting of steel wire mesh framework composite tube according to claim 1 is characterized in that described steel wire mesh framework composite tube main body (1) is straight-through pipe fitting, tee pipe fitting or bend pipe tools.
3,, it is characterized in that the electric heating wire of described electric melting pipe fittings (2) is located at electric melting pipe fittings (2) inwall according to the connection pipe fitting of claim 1 or 2 each described steel wire mesh framework composite tubes.
4, the manufacture method of the connection pipe fitting of steel wire mesh framework composite tube according to claim 1, it is characterized in that: the connection pipe fitting that comprises the steps: earlier steel wire mesh framework composite tube main body (1) to be processed into needs, use the quadric injection mould moulding process that the connecting port and the electric melting pipe fittings of described steel wire mesh framework composite tube main body (1) are fused into one then, form the connection pipe fitting of described steel wire mesh framework composite tube at last.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910042365 CN101672404A (en) | 2009-09-01 | 2009-09-01 | Connection tube of steel wire mesh framework composite tube and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910042365 CN101672404A (en) | 2009-09-01 | 2009-09-01 | Connection tube of steel wire mesh framework composite tube and manufacturing method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101672404A true CN101672404A (en) | 2010-03-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200910042365 Pending CN101672404A (en) | 2009-09-01 | 2009-09-01 | Connection tube of steel wire mesh framework composite tube and manufacturing method thereof |
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| CN (1) | CN101672404A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107932824A (en) * | 2017-12-02 | 2018-04-20 | 江特科技股份有限公司 | The production method of polyethylene electric-melting connector |
| CN110856967A (en) * | 2018-08-23 | 2020-03-03 | 杜凯公司 | Connecting assembly and method for manufacturing same |
| CN112361231A (en) * | 2021-01-13 | 2021-02-12 | 浙江大学 | Electric melting pipe fitting with self-sensing intelligent monitoring function and machining and monitoring method thereof |
-
2009
- 2009-09-01 CN CN 200910042365 patent/CN101672404A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107932824A (en) * | 2017-12-02 | 2018-04-20 | 江特科技股份有限公司 | The production method of polyethylene electric-melting connector |
| CN110856967A (en) * | 2018-08-23 | 2020-03-03 | 杜凯公司 | Connecting assembly and method for manufacturing same |
| CN112361231A (en) * | 2021-01-13 | 2021-02-12 | 浙江大学 | Electric melting pipe fitting with self-sensing intelligent monitoring function and machining and monitoring method thereof |
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Open date: 20100317 |