CN104455883A - Butt joint method of HDPE winding pipes - Google Patents
Butt joint method of HDPE winding pipes Download PDFInfo
- Publication number
- CN104455883A CN104455883A CN201410488532.4A CN201410488532A CN104455883A CN 104455883 A CN104455883 A CN 104455883A CN 201410488532 A CN201410488532 A CN 201410488532A CN 104455883 A CN104455883 A CN 104455883A
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- CN
- China
- Prior art keywords
- hdpe
- electric heating
- heating wire
- entwining tube
- flared end
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L47/00—Connecting arrangements or other fittings specially adapted to be made of plastics or to be used with pipes made of plastics
- F16L47/02—Welded joints; Adhesive joints
- F16L47/03—Welded joints with an electrical resistance incorporated in the joint
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Branch Pipes, Bends, And The Like (AREA)
Abstract
The invention provides a butt joint method of HDPE winding pipes. The butt joint method of the HDPE winding pipes includes the steps that firstly, one end of one HDPE winding pipe to be connected is expanded to form an expanding end so that the inner diameter of the expanding end can contain the outer diameter part of the other HDPE winding pipe to be connected; secondly, a circle of electric heating wire is arranged along the inner wall of the expanding end in the first step; thirdly, the end of the other HDPE winding pipe to be connected is inserted into the expanding end so that the outer diameter part of the end can be connected with the inner wall of the expanding end through the electric heating wire; fourthly, the electric heating wire is powered on so that the electric heating wire can be heated until the two HDPE winding pipes to be connected are mutually bonded. After the butt joint method of the HDPE winding pipes is adopted, the electric heating wire enables the two HDPE winding pipes to be connected to be evenly melted in a hot mode and bonded tightly, and the butt joint strength of the HDPE winding pipes is largely improved. The electric heating wire does not need to be taken out, is convenient to install and largely reduces the risks of leakage at an interface.
Description
Technical field
The present invention relates to tubular object extruding and manufacture field, be specifically related to a kind of docking calculation of HDPE entwining tube.
Background technique
High density polyethylene (HDPE), English name is " High Density Polyethylene ", referred to as " HDPE ".HDPE is high, the nonpolar thermoplastic resin of a kind of degree of crystallinity.HDPE entwining tube is mainly used in: municipal engineering water system, Indoor environment water supply system, outdoor buried water supply system and residential quarter, the buried water supply system of plant area, old pipeline reparation, engineering of water treatment pipe-line system, the industrial water pipe etc. of gardens, irrigation and other field.
In prior art, the connection of HDPE entwining tube generally adopts to accept and connects.After the enlarging of entwining tube one end, by one end of non-enlarging, put rubber ring, insert flared end, namely complete installation.But accept owing to adopting rubber ring and connect, sealability is not fine, and seepage probability is too high.
Another kind of way of the prior art adopts hot-melt adhesive paste.That is, at two HDPE entwining tube outer surface jointings, stackedly a heat-contraction sleeve is put, with naked light, heat-contraction sleeve barbecue is adhered to, shapes, or by outer Electric thermal smelting belt heating, heat-contraction sleeve is shaped, connect, thus two HDPE entwining tube are communicated with by a heat-contraction sleeve.But easily uneven owing to being heated in heat-contraction sleeve cooking process, only rely on the skin of heat-contraction sleeve to shrink sizing, intensity is not high, and serviceability is not strong, easily seepage occurs yet.
Summary of the invention
The embodiment of the present invention provides the docking calculation of easy installation, not easy to leak, HDPE entwining tube that join strength is high.
The docking calculation of the HDPE entwining tube of the embodiment of the present invention, for being interconnected the end of two HDPE entwining tube, comprises the steps:
Step one, carries out enlarging, to form flared end, with the external diameter enabling the internal diameter of this flared end hold another HDPE entwining tube to be connected by one end of a wherein HDPE entwining tube to be connected;
Step 2, arranges a circle electric heating wire along the flared end inwall described in step one;
Step 3, inserts described flared end by the end of another HDPE entwining tube to be connected, is connected by described electric heating wire to make the external diameter of this end with described flared end inwall;
Step 4, is energized to described electric heating wire, to make described electrothermal wire heating until two HDPE entwining tube to be connected bond mutually.
The docking calculation of HDPE entwining tube as above, wherein, in described step 2, described electric heating wire adopts electric heating fuse.
The docking calculation of HDPE entwining tube as above, wherein, in described step one, after described flared end is formed, need by clean for the inner wall cleaning of described flared end.
The docking calculation of HDPE entwining tube as above, wherein, in described step 4, the heating-up temperature of described electric heating wire remains on 180 DEG C-200 DEG C.
The docking calculation of HDPE entwining tube as above, wherein, in described step 4, the heating time of described electric heating wire is at 20-30 minute.
The docking calculation of HDPE entwining tube as above, wherein, in described step 2, described electric heating wire adopts rivet to be fixed on the inwall of described flared end.
The docking calculation of HDPE entwining tube as above, wherein, in described step 2, described electric heating wire is arranged one week along described flared end inwall, and described electric heating wire is 20-30cm along the width of described flared end axis.
The docking calculation of HDPE entwining tube as above, wherein, in described step 2, described electric heating wire adopts heat-conducting glue to be bonded on the inwall of described flared end.
After adopting the docking calculation of HDPE entwining tube of the present invention, electric heating wire can make the uniform hot melt of two HDPE entwining tube to be docked, close adhesion, substantially increases the docking intensity of HDPE entwining tube; And the electric heating wire in the present invention need not take out, not only easy for installation, also greatly reduce the risk of jointing generation seepage.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technological scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the scheme of installation of the docking calculation of the HDPE entwining tube of the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technological scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
As Fig. 1, the docking calculation of the HDPE entwining tube of the embodiment of the present invention, for being interconnected the end of two HDPE entwining tube, comprises the steps:
Step one, carries out enlarging, to form flared end 10, with the external diameter enabling the internal diameter of this flared end 10 hold another HDPE entwining tube 2 to be connected by one end of a wherein HDPE entwining tube 1 to be connected; Generally, the internal diameter of flared end 10, slightly larger than the external diameter of HDPE entwining tube 2, preferably can make the external diameter of HDPE entwining tube 2 closely be inserted in flared end 10.
Step 2, arranges a circle electric heating wire 3 along flared end 10 inwall described in step one; Electric heating wire 3 generally adopts electric heating fuse.Electric heating wire 3 generally adopts rivet to be fixed on the inwall of flared end 10; Further, electric heating wire 4 is arranged one week along described flared end inwall, and electric heating wire 3 is 20-30cm along the width of described flared end axis, and this width regions is the heating region of electric heating wire 3.It should be noted that in addition, electric heating wire 3 also can adopt heat-conducting glue to be bonded on the inwall of described flared end 10, generates heat as long as can ensure that electric heating wire 3 does not come off when inserting other HDPE entwining tube and do not affect.
Step 3, is inserted flared end 10 by the end of another HDPE entwining tube 2 to be connected, is connected to make the external diameter of HDPE entwining tube 2 end by described electric heating wire 3 with flared end 10 inwall; Now, need to ensure that HDPE entwining tube 2 preferably can be sheathed in flared end 10 closely.Namely in Fig. 1, the direction of arrow is the direction of inserting HDPE entwining tube 2.
Step 4, is energized to described electric heating wire, to make described electrothermal wire heating until two HDPE entwining tube to be connected bond mutually.Generally, the heating-up temperature of electric heating wire remains on 180 DEG C-200 DEG C, elects 180 DEG C-195 DEG C as; The too low meeting of temperature causes HDPE pipe to be difficult to melt, and it is aging that the too high meeting of temperature causes HDPE to manage.
Further, in step 4, according to thickness and the diameter of HDPE entwining tube, the heating time of electric heating wire can obtain extraordinary melting effect at 20-30 minute, and greatly can improve the intensity of connection.After heating, adopt the mode of nature cooling to be cooled by two sections of HDPE entwining tube, completely after cooling, namely two sections of HDPE entwining tube connect as one.
In the above-described embodiments, for ensureing the join strength of two HDPE entwining tube, generally, in described step one, after described flared end 10 is formed, need by clean for the inner wall cleaning of described flared end 10.
After adopting the docking calculation of HDPE entwining tube of the present invention, electric heating wire can make the uniform hot melt of two HDPE entwining tube to be docked, close adhesion, substantially increases the docking intensity of HDPE entwining tube; Usually, the intensity of the strength ratio HDPE entwining tube of weld itself is also high.And the electric heating wire in the present invention need not take out, and namely becomes a part for connection mouth after having heated, so not only (do not need to rotate tubing, also do not need to take out electric heating wire) easy for installation, also greatly reduce the risk of jointing generation seepage.
Above-described embodiment; object of the present invention, technological scheme and beneficial effect are further described; be understood that; the foregoing is only the specific embodiment of the present invention; the protection domain be not intended to limit the present invention; within the spirit and principles in the present invention all, any amendment made, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. a docking calculation for HDPE entwining tube, for being interconnected the end of two HDPE entwining tube, is characterized in that, comprising the steps:
Step one, carries out enlarging, to form flared end, with the external diameter enabling the internal diameter of this flared end hold another HDPE entwining tube to be connected by one end of a wherein HDPE entwining tube to be connected;
Step 2, arranges a circle electric heating wire along the flared end inwall described in step one;
Step 3, inserts described flared end by the end of another HDPE entwining tube to be connected, is connected by described electric heating wire to make the external diameter of this end with described flared end inwall;
Step 4, is energized to described electric heating wire, to make described electrothermal wire heating until two HDPE entwining tube to be connected bond mutually.
2. the docking calculation of HDPE entwining tube according to claim 1, is characterized in that, in described step 2, described electric heating wire adopts electric heating fuse.
3. the docking calculation of HDPE entwining tube according to claim 1, is characterized in that, in described step one, after described flared end is formed, and need by clean for the inner wall cleaning of described flared end.
4., according to the docking calculation of the arbitrary described HDPE entwining tube of claim 1-3, it is characterized in that, in described step 4, the heating-up temperature of described electric heating wire remains on 180 DEG C-200 DEG C.
5. the docking calculation of HDPE entwining tube according to claim 4, is characterized in that, in described step 4, the heating time of described electric heating wire is at 20-30 minute.
6. according to the docking calculation of the arbitrary described HDPE entwining tube of claim 1-3, it is characterized in that, in described step 2, described electric heating wire adopts rivet to be fixed on the inwall of described flared end.
7. according to the docking calculation of the arbitrary described HDPE entwining tube of claim 6, it is characterized in that, in described step 2, described electric heating wire is arranged one week along described flared end inwall, and described electric heating wire is 20-30cm along the width of described flared end axis.
8. according to the docking calculation of the arbitrary described HDPE entwining tube of claim 1-3, it is characterized in that, in described step 2, described electric heating wire adopts heat-conducting glue to be bonded on the inwall of described flared end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410488532.4A CN104455883A (en) | 2014-09-22 | 2014-09-22 | Butt joint method of HDPE winding pipes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410488532.4A CN104455883A (en) | 2014-09-22 | 2014-09-22 | Butt joint method of HDPE winding pipes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104455883A true CN104455883A (en) | 2015-03-25 |
Family
ID=52902394
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410488532.4A Pending CN104455883A (en) | 2014-09-22 | 2014-09-22 | Butt joint method of HDPE winding pipes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104455883A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111634008A (en) * | 2020-05-30 | 2020-09-08 | 江苏冠之星管道系统有限公司 | Hot melting assembly arrangement method for heating wire of plastic electric melting pipe fitting |
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| CN103383043A (en) * | 2012-05-04 | 2013-11-06 | 泰州申视塑料有限公司 | Ultra-high molecular weight polyethylene composite pipe socket welding pipe joint |
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2014
- 2014-09-22 CN CN201410488532.4A patent/CN104455883A/en active Pending
Patent Citations (11)
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|---|---|---|---|---|
| CN2404521Y (en) * | 1999-08-10 | 2000-11-08 | 黄风清 | Automatic, constant temp., electric heating and health-care apparatus for medicinal liquid washing and massage of foot |
| CN2502481Y (en) * | 2001-11-30 | 2002-07-24 | 舒定涛 | Fully enclosed plate type heater |
| CN2549301Y (en) * | 2002-05-22 | 2003-05-07 | 上海航天长垣新型管道有限公司 | Heat-sealing ring pipe joint |
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| EP2305453A1 (en) * | 2009-09-30 | 2011-04-06 | Logstor A/S | Improved water-stop method in single insulated pipes |
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| CN103383043A (en) * | 2012-05-04 | 2013-11-06 | 泰州申视塑料有限公司 | Ultra-high molecular weight polyethylene composite pipe socket welding pipe joint |
| CN203809894U (en) * | 2014-04-09 | 2014-09-03 | 湖南前元新材料有限公司 | Novel carat tube in high-density polyethylene twining structure |
Non-Patent Citations (1)
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111634008A (en) * | 2020-05-30 | 2020-09-08 | 江苏冠之星管道系统有限公司 | Hot melting assembly arrangement method for heating wire of plastic electric melting pipe fitting |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150325 |