CN101451633A - Large diameter plastic winding tube with socket mouth and production method - Google Patents
Large diameter plastic winding tube with socket mouth and production method Download PDFInfo
- Publication number
- CN101451633A CN101451633A CNA2008102079718A CN200810207971A CN101451633A CN 101451633 A CN101451633 A CN 101451633A CN A2008102079718 A CNA2008102079718 A CN A2008102079718A CN 200810207971 A CN200810207971 A CN 200810207971A CN 101451633 A CN101451633 A CN 101451633A
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- Shaping Of Tube Ends By Bending Or Straightening (AREA)
Abstract
The invention relates to a large diameter winding pipe with a socket and spigot port, and the pipe comprises a large diameter straight pipe section which is formed by spiral winding of a plastic square pipe and welding and connecting by hot melt adhesive and a socket and spigot port section which is formed by winding plastic tapes around one end of the straight pipe section. The manufacturing method of the large diameter plastic winding pipe with the socket and spigot port comprises the following steps: the plastics is spirally winded into a double wall winding plastic pipe which is then cut into the straight pipe section by a certain length, the straight pipe section is fixed on a winding machine and one end of the straight pipe section is sleeved with a socket and spigot port internal mold, the plastic tape is winded around the straight pipe section and the socket and spigot port internal mold and is pressed in, thus forming the socket and spigot port section which is integrated with the straight pipe section, etc. The winding pipe has the advantages of molding by one processing, saving labor and electricity, increasing the bonding strength between the pipe piece and pipe material, convenient field installation.
Description
Technical field
The present invention relates to a kind of plastic tube, relate in particular to a kind of large diameter plastic winding tube with joint socket and preparation method thereof.
Background technique
At present, the tubing that domestic underground water supply and drainage pipe-line system is used mainly contains concrete pipe, concrete reinforced pipe and cast iron tube, because it is bigger than length and vehicle flowrate that it builds the time limit, the buried concrete waste pipe in some highway section and cast iron water pipe are damaged in succession aging, cause municipal drainage to stop up, the water pipe explosion, not only bring inconvenience to citizen's life, and because of working procedure complicated, the pipe joint number is more, leakage proof is difficult in time handling, accumulate over a long period and not only can cause road foundation to sink, effluent seepage, also can pollute soil property, the water source becomes public hazards.For this reason, adopt have good withstand voltage, light weight, corrosion-resistant, environment protection type tubing become the task of top priority.
Recent years, all types of plastic tubing rises gradually at home, and progressively replaces concrete pipe, concrete reinforced pipe and cast iron tube.With respect to concrete pipe, concrete reinforced pipe and cast iron tube, plastic tube have light weight, corrosion-resistant, the low pollution or free of contamination remarkable advantage, and plastic tube is also longer working life under identical withstand voltage condition.What plastic tube was relatively more commonly used at present is the pvc pipe material, though price is lower, it is heavier to exist quality, and withstand voltage deficiency has shortcomings such as a small amount of pollution.And the HDPE solid wall pipe, though function admirable, cost is higher, waste material.So a kind of novel plastic winding structural wall tube arises at the historic moment, it has kept the advantage of common plastics tubing, has overcome their some shortcomings simultaneously again.
The polythene winding structure wall pipeline purposes is boundless, and its main advantage can use mini-plant to produce the tubing of bore greater than 2000mm aspect bore.But because the raw material that polythene winding structure wall pipeline uses mainly is a polyethylene, though and polyethylene self has toughness preferably, but Young's modulus is less, the tubing of making is if satisfy the ring stiffness of tubing, must increase the product substance, even like this, in a lot of practical engineering application, because limitation of field condition, often make outer pipe wall be easy to be subjected to scratch or impact and produce broken hole, thereby influence the product engineering application quality, can't satisfy the requirement of mal-condition, so the application and the development of polythene winding structure wall pipeline have been limited.
In the prior art, high-density polyethylene double-wall winding plastic drain-pipe socket fitting (DN1600 is following) often adopts the method for mold injection to make; Big caliber pipe fitting (DN1600 and more than) is not finished local plastic as yet because of the too big integral molded plastic of injection moulding regional extent and has been cooled off to flow and cause and can't be shaped, so big caliber pipe fitting often adopts steel to mould socket joint link in compound (or stainless steel) elastic packing, relatively inconvenience is installed.
Summary of the invention
Purpose of the present invention provides large diameter plastic winding tube of a kind of band joint socket with new structure and preparation method thereof exactly in order to overcome the problems referred to above that prior art exists.
The object of the present invention is achieved like this: a kind of large diameter plastic winding tube with joint socket comprises by plastics square tube spiral and twining and the major diameter straight length that is made of welded connection with hot melt adhesive and directly twine the joint socket section that forms at straight length one end by plastic tape.
The nominal diameter of described major diameter straight length is equal to or greater than 1200mm, described joint socket section flare.
The making method of the large diameter plastic winding tube of above-mentioned band joint socket may further comprise the steps:
A, produce plastic square pipe racks material by extrusion shaping machine;
B, the square tube band is sent into wind carry out that spiral twines and be welded to connect into double-wall winding plastic tubing with hot melt adhesive;
C, double-wall winding plastic tubing fixed length cutting is become straight length;
D, be fixed on straight length on the Stetch Wrapping Machine and at joint socket internal mold of one end socket;
E, produce plastic strap by extrusion shaping machine;
F, Stetch Wrapping Machine is sent in plastic strap traction, on straight length and joint socket internal mold, twined pressing formation and the joint socket section that straight length fuses, promptly become the large diameter plastic winding tube of being with joint socket after the demoulding.
Be provided with heating and heat-insulating device in the described Stetch Wrapping Machine, the winding described in the step f is pressed together under the heat tracing state to be carried out.
Described step e carries out continuously to step f, makes the plastic strap that enters Stetch Wrapping Machine keep temperature.
Described straight length and joint socket section adopt with a kind of plastic raw material of prescription and make.
The matrix of described plastic raw material with a kind of prescription is a high density polyethylene (HDPE).
The large diameter plastic winding tube of band joint socket of the present invention compared with prior art has the following advantages and effect:
1, only needs time processing promptly plastic, the saving of labor, save time, and do not have the disadvantage of secondary oxidation degraded.
2, the employing of joint socket section is Wrapping formed, and the plastics heating-up temperature requires low than injection moulding, and manufacture cost is saved in power saving.
Description of drawings
Fig. 1 is the perspective view of the large diameter plastic winding tube of band joint socket of the present invention;
Fig. 2 is the sectional structure schematic representation of the straight length among the present invention.
Embodiment
Referring to Fig. 1, Fig. 2, the large diameter plastic winding tube of band joint socket of the present invention comprises by plastics square tube 11 spirals and twining and major diameter straight length 1 that is made of welded connection with hot melt adhesive 12 and the joint socket section 2 that is directly formed in the winding of straight length one end by plastic tape.The nominal diameter of major diameter straight length wherein is equal to or greater than 1200mm, joint socket section flare.
The making method of the large diameter plastic winding tube of band joint socket of the present invention is, at first make pellet according to the prescription of plastic raw material, again pellet is dropped into large-scale screw extruder, produce plastic square pipe racks material, then the square tube band is sent into wind and carried out the spiral winding and be welded to connect into double-wall winding plastic tubing, again double-wall winding plastic tubing fixed length cutting is become straight length with hot melt adhesive.Then straight length is fixed on the Stetch Wrapping Machine and at joint socket internal mold of one end socket.Adopt in addition with the pellet of making plastic square pipe racks material same recipe and produce plastic strap by extrusion shaping machine, plastic strap drawn while hot send into Stetch Wrapping Machine, on straight length and joint socket internal mold, twine the joint socket section that pressing formation and straight length fuse under the heat tracing state, promptly becoming the large diameter plastic winding tube of band joint socket after the demoulding.
Straight length among the present invention and joint socket section adopt with a kind of plastic raw material of prescription and make.The matrix of this plastic raw material preferably adopts high density polyethylene (HDPE).
Claims (7)
1, a kind of large diameter plastic winding tube with joint socket is characterized in that: comprise by plastics square tube spiral and twining and the major diameter straight length that is made of welded connection with hot melt adhesive and directly twine the joint socket section that forms at straight length one end by plastic tape.
2, the large diameter plastic winding tube of band joint socket as claimed in claim 1 is characterized in that: the nominal diameter of described major diameter straight length is equal to or greater than 1200mm, described joint socket section flare.
3, a kind of making method of the large diameter plastic winding tube with joint socket is characterized in that: may further comprise the steps:
A, produce plastic square pipe racks material by extrusion shaping machine;
B, the square tube band is sent into wind carry out that spiral twines and be welded to connect into double-wall winding plastic tubing with hot melt adhesive;
C, double-wall winding plastic tubing fixed length cutting is become straight length;
D, be fixed on straight length on the Stetch Wrapping Machine and at joint socket internal mold of one end socket;
E, produce plastic strap by extrusion shaping machine;
F, Stetch Wrapping Machine is sent in plastic strap traction, on straight length and joint socket internal mold, twined pressing formation and the joint socket section that straight length fuses, promptly become the large diameter plastic winding tube of being with joint socket after the demoulding.
4, the making method of the large diameter plastic winding tube of band joint socket as claimed in claim 3 is characterized in that: be provided with heating and heat-insulating device in the described Stetch Wrapping Machine, the winding described in the step f is pressed together under the heat tracing state to be carried out.
5, the making method of the large diameter plastic winding tube of band joint socket as claimed in claim 3 is characterized in that: described step e carries out continuously to step f, makes the plastic strap that enters Stetch Wrapping Machine keep temperature.
6, the making method of the large diameter plastic winding tube of band joint socket as claimed in claim 3 is characterized in that: described straight length and joint socket section adopt with a kind of plastic raw material of prescription and make.
7, the making method of the large diameter plastic winding tube of band joint socket as claimed in claim 5 is characterized in that: the matrix of described plastic raw material with a kind of prescription is a high density polyethylene (HDPE).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008102079718A CN101451633A (en) | 2008-12-26 | 2008-12-26 | Large diameter plastic winding tube with socket mouth and production method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008102079718A CN101451633A (en) | 2008-12-26 | 2008-12-26 | Large diameter plastic winding tube with socket mouth and production method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101451633A true CN101451633A (en) | 2009-06-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008102079718A Pending CN101451633A (en) | 2008-12-26 | 2008-12-26 | Large diameter plastic winding tube with socket mouth and production method |
Country Status (1)
| Country | Link |
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| CN (1) | CN101451633A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101793337A (en) * | 2010-03-10 | 2010-08-04 | 华瀚科技有限公司 | Plastic-steel spirally-wound three-way pipe and manufacturing method thereof |
| CN102233673A (en) * | 2010-04-21 | 2011-11-09 | 上海久通塑胶制品有限公司 | Processing method of socket pipe with plastic wound structured wall |
| CN103963325A (en) * | 2014-04-09 | 2014-08-06 | 湖南前元新材料有限公司 | Production equipment and production technology for HDPE (high density polyethylene)spirally enwound structure-wall pipe (Krah pipe) |
| CN108397613A (en) * | 2018-05-23 | 2018-08-14 | 谭连平 | A kind of traction plastic hollow wall winding pipe fitting |
| CN111231284A (en) * | 2018-11-28 | 2020-06-05 | 上海清远管业科技股份有限公司 | Method for manufacturing flaring of double-flat-wall winding pipe by winding molten plastic belt |
| CN111483162A (en) * | 2020-03-30 | 2020-08-04 | 福建祥云科创新型管业科技有限公司 | Method for manufacturing HDPE high-rib winding reinforced pipe |
| CN114261120A (en) * | 2021-11-16 | 2022-04-01 | 鹤山联塑实业发展有限公司 | Manufacturing method and equipment of socket type winding structure wall pipe |
-
2008
- 2008-12-26 CN CNA2008102079718A patent/CN101451633A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101793337A (en) * | 2010-03-10 | 2010-08-04 | 华瀚科技有限公司 | Plastic-steel spirally-wound three-way pipe and manufacturing method thereof |
| CN101793337B (en) * | 2010-03-10 | 2012-10-17 | 华瀚科技有限公司 | Plastic-steel spirally-wound three-way pipe and manufacturing method thereof |
| CN102233673A (en) * | 2010-04-21 | 2011-11-09 | 上海久通塑胶制品有限公司 | Processing method of socket pipe with plastic wound structured wall |
| CN103963325A (en) * | 2014-04-09 | 2014-08-06 | 湖南前元新材料有限公司 | Production equipment and production technology for HDPE (high density polyethylene)spirally enwound structure-wall pipe (Krah pipe) |
| CN108397613A (en) * | 2018-05-23 | 2018-08-14 | 谭连平 | A kind of traction plastic hollow wall winding pipe fitting |
| CN111231284A (en) * | 2018-11-28 | 2020-06-05 | 上海清远管业科技股份有限公司 | Method for manufacturing flaring of double-flat-wall winding pipe by winding molten plastic belt |
| CN111483162A (en) * | 2020-03-30 | 2020-08-04 | 福建祥云科创新型管业科技有限公司 | Method for manufacturing HDPE high-rib winding reinforced pipe |
| CN111483162B (en) * | 2020-03-30 | 2021-06-01 | 福建祥云科创新型管业科技有限公司 | Method for manufacturing HDPE high-rib winding reinforced pipe |
| CN114261120A (en) * | 2021-11-16 | 2022-04-01 | 鹤山联塑实业发展有限公司 | Manufacturing method and equipment of socket type winding structure wall pipe |
| CN114261120B (en) * | 2021-11-16 | 2024-04-02 | 鹤山联塑实业发展有限公司 | Manufacturing method and equipment for socket-and-spigot type winding structure wall pipe |
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Open date: 20090610 |