CN102095025B - Polyethylene winding structure wall triangular pipe and production process thereof - Google Patents
Polyethylene winding structure wall triangular pipe and production process thereof Download PDFInfo
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- CN102095025B CN102095025B CN201110033695XA CN201110033695A CN102095025B CN 102095025 B CN102095025 B CN 102095025B CN 201110033695X A CN201110033695X A CN 201110033695XA CN 201110033695 A CN201110033695 A CN 201110033695A CN 102095025 B CN102095025 B CN 102095025B
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- ribbed pipe
- twine
- polyethylene
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- 238000004804 winding Methods 0.000 title claims abstract description 21
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 17
- -1 Polyethylene Polymers 0.000 title claims description 24
- 239000004698 Polyethylene Substances 0.000 title claims description 24
- 229920000573 polyethylene Polymers 0.000 title claims description 24
- 238000005516 engineering process Methods 0.000 claims description 9
- 239000011248 coating agent Substances 0.000 claims description 8
- 238000000576 coating method Methods 0.000 claims description 8
- 239000000725 suspension Substances 0.000 claims description 8
- 238000003466 welding Methods 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 6
- 229920001903 high density polyethylene Polymers 0.000 abstract description 5
- 239000004700 high-density polyethylene Substances 0.000 abstract description 5
- 239000000126 substance Substances 0.000 abstract description 2
- 239000002994 raw material Substances 0.000 abstract 1
- 239000010865 sewage Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 description 4
- 238000005485 electric heating Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
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Abstract
The invention discloses a high-density polyethylene winding structure wall triangular pipe and a production process thereof. The invention can save raw materials and reduce the product cost. Compared with the prior art, under the same heavy condition of pipe in same pipe diameter, the utility model discloses a ring rigidity improves by a wide margin, uses the good reliability, can extensively be used for among fields such as rain, sewage drainage engineering and chemical industry drainage.
Description
Technical field
The present invention relates to the plastic tube technical field, Chinese character pin-shaped tubing of specifically a kind of polyethylene spirally enwound structure-wall and production technology thereof.
Background technique
At present, existing polyethylene spirally enwound structure-wall tubular product is produced by standard GB/T 19472.2-2004 requirements, and Type B structured wall popes wherein is that internal surface is smooth, and outer surface is the tubing of hollow helical rib.The ribbed pipe that twines can be a multilayer, and the internal layer ribbed pipe is that zero spacing is twined, and outer ribbed pipe is to twine at interval, all need lay flat band simultaneously when ribbed pipe twines.The tubing of this structure, for guaranteeing the equidistant winding of outer ribbed pipe, internal layer ribbed pipe diameter is unsuitable excessive, otherwise can cross the winding position that influences outer ribbed pipe deeply because of the formed ripple in ribbed pipe surface, causes the product appearance irregularity.At present, the skeleton pipe maximum caliber that its internal layer ribbed pipe of the tubing of this structure can adopt is φ 34mm, and being coated band coating back ribbed pipe height is 40mm; The outer skeleton pipe maximum caliber that twines ribbed pipe is φ 70mm, and being coated band coating back ribbed pipe height is 76mm, and thus, this kind structural tube wall thickness maximum only reaches 136 mm (containing two-layer flat tape thickness 20 mm).Many, the Heavy Weight of tubing materials of this structure, product cost is high.
Summary of the invention
One of the object of the invention will provide the polyethylene spirally enwound structure-wall that a kind of ring stiffness is high, in light weight, cost is low Chinese character pin-shaped tubing exactly.
Two of the object of the invention will provide the production technology of the Chinese character pin-shaped tubing of polyethylene spirally enwound structure-wall that a kind of ring stiffness is high, in light weight, cost is low exactly.
One of the object of the invention is achieved in that the Chinese character pin-shaped tubing of a kind of polyethylene spirally enwound structure-wall; Twine the ribbed pipe of hollow at polyethylene tube wall external spiral; Said ribbed pipe is more than one deck; Every layer ribbed pipe is intervally arranged, and outer ribbed pipe and internal layer ribbed pipe are Chinese character pin-shaped tangent arranging, and welding is fixed between the said tangent ribbed pipe.
The Chinese character pin-shaped tubing of polyethylene spirally enwound structure-wall of the present invention, said ribbed pipe are two-layer.
Two of the object of the invention is achieved in that the Chinese character pin-shaped tubing production technology of a kind of polyethylene spirally enwound structure-wall, may further comprise the steps:
1. extruder is extruded 190 ℃ of polyethylene flat bands, is coated band, coats band coating PP skeleton pipe and forms the first layer ribbed pipe;
2. flat band twines on mould and forms pipe material inner wall;
3. on production is mobile trolley used, be fixed with to suspend and twine control gear; Said suspension is twined control gear and is comprised base, is fixed in the supporting frame on the said base and is installed on two position limit arms on the support frame as described above that said position limit arm is at shaft rod upper sleeve sleeve pipe free to rotate to be housed; The first layer ribbed pipe from said suspension twine pass between two position limit arms on the control gear back by a determining deviation in the shape of a spiral shape twine and be fused to simultaneously flat band outer surface, accomplish the winding of first layer ribbed pipe;
4. extruder is extruded 190 ℃ of polyethylene and is coated band, coats band coating PP skeleton pipe and forms second layer ribbed pipe;
5. second layer ribbed pipe from pass between two position limit arms that suspend to twine on the control gear back stack be wound in the first layer ribbed pipe the gap on, second layer ribbed pipe and first layer are tangent the arranging of article word shape, welding is fixed between the said tangent ribbed pipe;
6. 4., 5. repeating step carries out the winding of the 3rd layer and above ribbed pipe.
The present invention adopts this processing technology, and two position limit arms that twine in the control gear that suspend are precisely controlled the winding position of first layer ribbed pipe, and does not receive the influence of the internal layer ribbed pipe external waviness degree of depth, skeleton pipe speed and mould tractive force
,Thereby can guarantee that ribbed pipe can arbitrarily displacement in winding process.Because the first layer ribbed pipe can be realized the accurate control of winding position under the control of twining control gear that suspends; The winding that can be second layer ribbed pipe is ready; So need not to carry out zero spacing winding, the first layer ribbed pipe can satisfy technological requirement; Thus, can save the usage quantity of first layer ribbed pipe in a large number.In like manner, the suspension winding control gear also accurate stack of may command second layer ribbed pipe is wound on the two adjacent ribbed pipes of first layer, thereby the two adjacent ribbed pipe homogeneous phases that guarantee second layer ribbed pipe and first layer are cut and natural welding.Like this, layer with layer between ribbed pipe be the direct welding of article word shape and fix.Adopt the Chinese character pin-shaped tubing of polyethylene spirally enwound structure-wall of processes production of the present invention, both saved the usage quantity of first layer ribbed pipe, also saved the use of the flat band of the second layer, thereby can reduce production cost of products.On the other hand, the accurate location when adopting technology of the present invention can realize the ribbed pipe winding does not receive the influence of the internal layer ribbed pipe external waviness degree of depth, and therefore, the internal layer ribbed pipe also can be selected the skeleton pipe of φ 70mm for use, and thus, the tube wall thickness maximum can reach 152mm.Like this, the present invention improves the ring stiffness of tubing through increasing the structure height of tubing.Compared with prior art, under the heavy condition of same caliber same pipe, the ring stiffness of the Chinese character pin-shaped tubing of polyethylene spirally enwound structure-wall of the present invention significantly improves, and operational safety is strong, can be widely used in the fields such as rain, dirty drainage works and chemical industry draining.
Description of drawings
Fig. 1 is the structural representation of the Chinese character pin-shaped tubing of polyethylene spirally enwound structure-wall of the present invention.
Fig. 2 is a process schematic representation of the present invention.
Embodiment
Shown in Figure 1, the Chinese character pin-shaped tubing of polyethylene spirally enwound structure-wall of the present invention is to twine the hollow ribbed pipe at polyethylene inner layer tube wall 1 external spiral, and the hollow ribbed pipe is to coat PP skeleton pipe by polyethylene layer to constitute.Said ribbed pipe is two-layer.Every layer ribbed pipe is intervally arranged, and 3 stacks of second layer ribbed pipe are wound on the first layer ribbed pipe 2, and ribbed pipe 3 is tangent the arranging of article word shape with ribbed pipe 2, and welding is fixed between the said tangent ribbed pipe.
Tubing of the present invention can at one end be provided with socket, and an end is provided with bellmouth, imbeds a circle electric heating element on the bellmouth inwall, and the electric heating element both ends head stretches out the bellmouth inwall.Setting is held, socket can make the more convenient to operate of pipe connection.
Fig. 1, shown in Figure 2, high density polyethylene (HDPE) winding structure wall pipe production technology of the present invention may further comprise the steps:
1. extruder is extruded 190 ℃ of polyethylene flat bands, is coated band, coats band coating PP skeleton pipe and forms the first layer ribbed pipe;
2. flatly be with 1 on mould 7, twine to form pipe material inner wall;
3. on production is mobile trolley used, be fixed with to suspend and twine control gear; Said suspension is twined control gear and is comprised base 8, is fixed in the supporting frame on the said base 8 and is installed on two position limit arms 4 on the support frame as described above that said position limit arm 4 is at shaft rod upper sleeve sleeve pipe free to rotate to be housed; First layer ribbed pipe 2 from said suspension twine pass between two position limit arms 4 on the control gear back by a determining deviation in the shape of a spiral shape twine and be fused to simultaneously flat band outer surface, accomplish the winding of first layer ribbed pipe;
4. extruder is extruded 190 ℃ of polyethylene and is coated band, coats band coating PP skeleton pipe and forms second layer ribbed pipe 3;
5. stack was wound on the gap of first layer ribbed pipe 2 after second layer ribbed pipe 3 twined from suspending and passes between two position limit arms 4 on the control gear, and second layer ribbed pipe and first layer are tangent the arranging of article word shape, and welding is fixed between the said tangent ribbed pipe;
6. according to the production needs, the present invention also as stated above repeating step 4., 5. carry out the 3rd layer and the more winding of multilayer ribbed pipe, to satisfy the production demand.
Among Fig. 2, said suspension is twined in the control gear, and described supporting frame comprises horizontal adjutage 6 and the vertical height adjusting link of putting 5.Described height adjusting link 5 joins through fastening piece and adjutage 6.Described position limit arm 4 joins through fastening piece and described height adjusting link 5.Adopt this Placement can be easily position and the height and position of position limit arm 4 of height adjusting link 5 on adjutage 6 to be adjusted, thereby the tubing that adapts to different tube diameters is processed.
Adopt production technology of the present invention; Can accurately control the winding position of ribbed pipe and can not occur exposing the problem that skeleton pipe etc. has a strong impact on outward appearance and quality of product because of ribbed pipe spacing inequality or ribbed pipe rollover appear in ribbed pipe winding position skew precalculated position; Thereby obtain ring stiffness height, in light weight, high density polyethylene (HDPE) winding structure wall pipe that cost is low, can significantly improve economic benefit.In the actual production; Product for same caliber, identical ring stiffness; The weight of the Chinese character pin-shaped tubing of polyethylene spirally enwound structure-wall of the present invention is starkly lower than the Type B infrastructure product of standard GB/T 19472.2-2004; With DN2000mm tubing is example, in 6 meters long tube materials, is 4KN/m at ring stiffness
2Situation under, the pipe of product of the present invention weighs 1850 kilograms, Type B structure-wall pipe material weight is up to 2000 kilograms.
Claims (1)
1. the Chinese character pin-shaped tubing production technology of polyethylene spirally enwound structure-wall is characterized in that may further comprise the steps:
1. extruder is extruded 190 ℃ of polyethylene flat bands, is coated band, coats band coating PP skeleton pipe and forms the first layer ribbed pipe;
2. flat band (1) is gone up to twine at mould (7) and is formed pipe material inner wall;
3. on production is mobile trolley used, be fixed with to suspend and twine control gear; Said suspension is twined control gear and is comprised base (8), is fixed in the supporting frame on the said base (8) and is installed on two position limit arms (4) on the support frame as described above that said position limit arm (4) is at shaft rod upper sleeve sleeve pipe free to rotate to be housed; First layer ribbed pipe (2) from said suspension twine pass between two position limit arms (4) on the control gear back by a determining deviation in the shape of a spiral shape twine and be fused to simultaneously flat band outer surface, accomplish the winding of first layer ribbed pipe;
4. extruder is extruded 190 ℃ of polyethylene and is coated band, coats band coating PP skeleton pipe and forms second layer ribbed pipe (3);
5. second layer ribbed pipe (3) suspends certainly to twine and passing the back stack between two position limit arms (4) on the control gear and be wound on the gap of first layer ribbed pipe (2); Second layer ribbed pipe and first layer are Chinese character pin-shaped tangent arranging, and welding is fixed between the said tangent ribbed pipe;
6. 4., 5. repeating step carries out the winding of the 3rd layer and above ribbed pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110033695XA CN102095025B (en) | 2011-01-31 | 2011-01-31 | Polyethylene winding structure wall triangular pipe and production process thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110033695XA CN102095025B (en) | 2011-01-31 | 2011-01-31 | Polyethylene winding structure wall triangular pipe and production process thereof |
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| CN102095025A CN102095025A (en) | 2011-06-15 |
| CN102095025B true CN102095025B (en) | 2012-05-23 |
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| CN102862289B (en) * | 2012-10-16 | 2014-11-05 | 石家庄宝石克拉大径塑管有限公司 | Totally encapsulated exhaust unit of wall pipes in polyethylene winding structures |
| CN109630770B (en) * | 2018-12-17 | 2024-02-20 | 王利群 | Winding structure wall pipe with positioning structure and production process thereof |
| CN113002033B (en) * | 2021-03-10 | 2022-01-11 | 海宁亚大塑料管道系统有限公司 | Compression-resistant winding pipe and production device and process thereof |
| CN113478857B (en) * | 2021-07-12 | 2023-05-16 | 河北亚明塑管有限公司 | Flat hole winding structure wall pipe production method and equipment |
| CN113878907A (en) * | 2021-09-18 | 2022-01-04 | 福建祥云科创新型管业科技有限公司 | Method for manufacturing HDPE double-layer trapezoidal rib winding pipe |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| FR2836652B1 (en) * | 2002-03-04 | 2005-02-11 | Solvay | METHOD FOR WELDING PLASTIC MULTILAYER BANDS USING ELECTROMAGNETIC RADIATION AND RESULTING COMPOSITE TUBE |
| US7004202B2 (en) * | 2002-04-22 | 2006-02-28 | Rib Loc Australia Pty Ltd. | Composite strip windable to form a helical pipe and method therefor |
| CN1308134C (en) * | 2005-07-07 | 2007-04-04 | 哈尔滨工业大学星河实业有限公司 | Steel band reinforced plastic drainpipe and method and apparatus for manufacturing the same |
| CN2883851Y (en) * | 2006-01-26 | 2007-03-28 | 临沂市大通塑料管材有限公司 | Tubing having polythane wound structural wall |
| CN100520139C (en) * | 2007-02-07 | 2009-07-29 | 李寿山 | Heavy caliber high-strength plastic wound pipe having pipe wall made of wrapping material and manufacture method therefor |
| CN101358005B (en) * | 2008-09-06 | 2012-05-09 | 广东三凌塑料管材有限公司 | Method for manufacturing high-density polyethylene hollow-wall winding pipe |
| CN101463932B (en) * | 2009-01-07 | 2010-07-28 | 天津泰邦管材有限公司 | Composite steel pipe with polythene hollow winding structured wall and its processing technique |
| US8123888B2 (en) * | 2009-04-28 | 2012-02-28 | Schlumberger Technology Corporation | Fiber reinforced polymer oilfield tubulars and method of constructing same |
| CN101737570B (en) * | 2010-02-11 | 2012-04-25 | 韩子斌 | Glass fiber and polyethylene composite reinforced polyethylene spirally enwound structure-wall tubular product |
| CN101852316A (en) * | 2010-06-07 | 2010-10-06 | 韩路平 | Polyethylene-wound structure wall tube and pipe without frame pipe and production method thereof |
| CN201964047U (en) * | 2011-01-31 | 2011-09-07 | 石家庄宝石克拉大径塑管有限公司 | Goods font-shaped pipe material with polyethylene-wound structure |
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