CN101852316A - Polyethylene-wound structure wall tube and pipe without frame pipe and production method thereof - Google Patents
Polyethylene-wound structure wall tube and pipe without frame pipe and production method thereof Download PDFInfo
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- CN101852316A CN101852316A CN 201010193032 CN201010193032A CN101852316A CN 101852316 A CN101852316 A CN 101852316A CN 201010193032 CN201010193032 CN 201010193032 CN 201010193032 A CN201010193032 A CN 201010193032A CN 101852316 A CN101852316 A CN 101852316A
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Abstract
The invention relates to a polyethylene-wound structure wall tube and pipe without a frame pipe, which is composed of an inner wall layer and an outer wall layer, wherein the inner wall layer is a continuous solid wall pipe formed by spirally winding a flaky polyethylene band, and adjacent band edges orderly being overlapped with each other; and the outer wall layer is composed of convex stiffening ribs formed by spirally winding a tubular polyethylene band on the external surface of the inner wall layer, and the tubular polyethylene band spirally presses across the overlap seam of each adjacent flaky polyethylene band edges. The production method comprises the following steps: extruding profiled bars, stretching, sizing, winding and fusing. The production method removes the original polypropylene frame pipe, can ensure the centroid distance of the stiffening rib tube, reduce the product weight by more than 20%, reduce raw material consumption, lower the product cost, greatly decrease the internal stress of the tube and pipe, reduce consumption and enhance ring stiff and ring flexibility.
Description
Technical field
The present invention relates to plastic tube and processing technique field thereof, particularly a kind of polyethylene-wound structure wall tube and pipe without frame pipe and production method thereof.
Background technique
At present in many fields such as the sewer in city and drainage works, the use of the plastic tube of band stiffening rib is more and more.The inner no pressure of waste pipe for improving the performance of opposing extraneous pressure, impact, is provided with multi-form stiffening rib in the tube wall periphery.The plastic tube of band stiffening rib commonly used mainly contains two kinds of forms: a kind of is to adopt direct extruding and moulding mode to make, tool representative be double-wall corrugated pipe; Another kind is to make in helically-wound shaped mode, and representative is double-wall pipe, polyethylene spirally enwound structure-wall tubular product and ribbon spiral winding corrugated pipe etc.
Wherein, it is continuously smooth-going surface that the structural type of polyethylene spirally enwound structure-wall tubular product is generally inner wall layer, and outer wall layer is then for being coated with the spirality ribbed pipe of polypropylene skeleton pipe; Or internal surface is smooth, and outer surface is smooth, buries the tubing of screw type skeleton pipe in the tube wall.
Polyethylene spirally enwound structure-wall tubular product is to be main raw material(s) with the high-density polyethylene resin, the special construction wall pipe with higher critical external compressive resistance ability that adopts hot winding shaping process to make.For the ribbed pipe centre of form that improves tubing apart from height, guarantee the tubing ring stiffness, adopting the polypropylene single-wall corrugated pipe is supplemental support skeleton pipe.But owing to comprised the polypropylene single-wall corrugated pipe, current polyethylene spirally enwound structure-wall tubular product exists raw materials consumption many, and the winding time is long, the heavy and high deficiency of cost of product.If can remove the skeleton pipe, can guarantee that again the ribbed pipe centre of form apart from height, just can significantly alleviate tubing weight, the reduction raw materials consumption also reduces cost.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art, provide a kind of raw materials consumption few, process time is short, and product weight is lighter, polyethylene-wound structure wall tube and pipe without frame pipe that cost is low and production method thereof.
The present invention solves its technical problem and is achieved through the following technical solutions:
A kind of polyethylene-wound structure wall tube and pipe without frame pipe is made of inner wall layer and outer wall layer, it is characterized in that: inner wall layer merges the continuous solid wall pipe that forms for being overlapped mutually successively by the winding of sheet polyethylene band spiral and each adjacent ribbons edge; Outer wall layer is wound in the evagination stiffening rib that the inner wall layer outer surface forms by the tubular polyethylene helix and constitutes, and tubular polyethylene helix cross-pressure melts commissure in the overlap joint of each adjacent sheet shaped polyethylene strip edge.
And described outer wall layer is made of 1-3 layer evagination stiffening rib, and the tubular polyethylene helix cross-pressure of each layer evagination stiffening rib is on the adjacent two tubular polyethylene bands of its internal layer.
And described tubular polyethylene band is hollow closure tube shaped polyethylene band.
And the sectional shape of described hollow closure tube shaped polyethylene band is circular, rectangle or trapezoidal.
And described tubular polyethylene band is an opening shape tubular polyethylene band.
And the sectional shape of described opening shape tubular polyethylene band is the T type.
A kind of polyethylene-wound structure wall tube and pipe without frame pipe production method, this production method may further comprise the steps:
(1) employing first extruder squeezes out sheet polyethylene band, and equidistantly is wound in the drum die outer surface in the rolling-operation, and the overlap joint fusion mutually successively of each adjacent ribbons edge, forms the inner wall layer of continuous solid wall pipe structure;
(2) adopt second extruder to squeeze out the tubular polyethylene band, adopt the vacuum cooling shaping box tubular polyethylene band cooling and shaping;
(3) mode that adopts electric heating wind to heat the tubular polyethylene band behind the cooling and shaping heats its outer surface to molten state;
(4) the tubular polyethylene band equidistantly is wound in the inner wall layer outer surface, and makes tubular polyethylene helix cross-pressure melt commissure, form the outer wall layer of evagination reinforcing rib structure in the overlap joint of each adjacent sheet shaped polyethylene strip edge.
And, further comprising the steps of: the step that continues to repeat (2)-(3) at formed outer wall layer outer surface, then the tubular polyethylene helix is twined cross-pressure on the adjacent two tubular polyethylene bands of its internal layer, form the outer wall layer that constitutes by layer 2-3 evagination stiffening rib.
And, further comprising the steps of: as by pressing wheel mechanism each the adjacent sheet shaped polyethylene strip edge lap-joint after twining to be carried out roll extrusion successively, make its mutual fusion and keep smooth-going continuously in the setting of drum die periphery.
And, further comprising the steps of: as by another pressing wheel mechanism the tubular polyethylene band after twining to be carried out roll extrusion, make its each adjacent sheet shaped polyethylene strip edge overlap joint that blends into the inner wall layer outer surface melt commissure in the setting of drum die periphery.
Advantage of the present invention and beneficial effect are:
Polyethylene-wound structure wall tube and pipe without frame pipe of the present invention, adopt that profile shapes is extruded, the method for stretching, sizing, winding welding typing, not only removed original polypropylene skeleton pipe, can guarantee simultaneously the bracing tube centre of form again apart from height, the weight of product reduces more than 20%, and makes raw materials consumption few, the cost of product is low, and the tubing internal stress is reduced greatly, not only reduced consumption but also improved ring stiffness, the ring flexibility.
Description of drawings
Fig. 1 is the structural representation (partial cross-sectional cut-away view) of first kind of mode of execution of tubing of the present invention.
Fig. 2 is the structural representation (partial cross-sectional cut-away view) of second kind of mode of execution of tubing of the present invention.
Fig. 3 is the structural representation (partial cross-sectional cut-away view) of the third mode of execution of tubing of the present invention.
Fig. 4 is the structural representation (partial cross-sectional cut-away view) of the 4th kind of mode of execution of tubing of the present invention.
Fig. 5 is the structural representation (partial cross-sectional cut-away view) of the 5th kind of mode of execution of tubing of the present invention.
Fig. 6 is a tubing production method schematic representation of the present invention.
Embodiment
The invention will be further described below by specific embodiment, and following examples are descriptive, is not determinate, can not limit protection scope of the present invention with this.
A kind of polyethylene-wound structure wall tube and pipe without frame pipe is made of inner wall layer and outer wall layer, and its inner wall layer is to be overlapped mutually successively by the winding of sheet polyethylene band spiral and each adjacent ribbons edge to merge the continuous solid wall pipe 2 that forms.Outer wall layer forms evagination stiffening rib 1 structure for being wound in the inner wall layer outer surface by the tubular polyethylene helix, and tubular polyethylene helix cross-pressure melts commissure in the overlap joint of each adjacent sheet shaped polyethylene strip edge.The tubular polyethylene band can be circle, rectangle, trapezoidal for hollow its sectional shape of closure tube shaped polyethylene band, as shown in Fig. 1-3.The tubular polyethylene band can also be opening shape tubular polyethylene band, and its sectional shape is the T type, as shown in Figure 4.Outer wall layer is made of 1-3 layer evagination stiffening rib, and the tubular polyethylene helix cross-pressure of each layer evagination stiffening rib is the outer wall layer that is made of two-layer evagination stiffening rib on the adjacent two tubular polyethylene bands of its internal layer as shown in Figure 5.
The production method of above-mentioned polyethylene-wound structure wall tube and pipe without frame pipe may further comprise the steps:
(1). with the high-density polyethylene resin is main raw material(s), raw material delivered in first extruder 4 through the vacuum feeder heat, plasticizing, homogenizing be after the runner of extruder and mouthful mould extruding sheet polyethylene band, and equidistantly be wound in drum die 5 outer surfaces in the rolling-operation, form the inner wall layer of continuous solid wall pipe structure.
(2). in the sheet polyethylene band winding process of step (1),, each the sheet polyethylene strip belt edge lap-joint after twining is carried out roll extrusion successively, make it mutual fusion and keep smooth-going continuously by the pressing wheel mechanism 6 that is provided with in the tube wall periphery.Pressing wheel mechanism and the fixed installation of first extruder, the two moves axially along drum die synchronously.
(3). adopt second extruder 3 to squeeze out the tubular polyethylene band, and cooling and shaping, make the tubular polyethylene band under the state that does not coat the skeleton pipe, still be maintained fixed shape.Adopt the vacuum cooling shaping box with the shape of tubular polyethylene band cooling and shaping one-tenth as accompanying drawing 1,2,3,4 " muscle ";
(4). the mode that the tubular polyethylene band behind the cooling and shaping adopts electric heating wind to heat is heated its outer surface to molten state;
(5). the tubular polyethylene band equidistantly is wound in the inner wall layer outer surface, and makes tubular polyethylene helix cross-pressure melt commissure, form the outer wall layer of evagination reinforcing rib structure in the overlap joint of each adjacent sheet shaped polyethylene strip edge.
(6). by another pressing wheel mechanism 7 that is provided with in the tube wall periphery, each the tubular polyethylene band after twining is carried out roll extrusion successively, make its each adjacent sheet shaped polyethylene strip edge overlap joint that blends into the inner wall layer outer surface melt commissure.Pressing wheel mechanism and the fixed installation of second extruder, the two moves axially along drum die synchronously.
(7). according to user demand, can also be in outer surface repeating step (3)-(6) of the outer wall layer of Wrapping formed first layer evagination reinforcing rib structure, the tubular polyethylene helix cross-pressure of each layer evagination stiffening rib is on the adjacent two tubular polyethylene bands of its internal layer, to form the outer wall layer of multilayer evagination reinforcing rib structure.The tubing that this kind has multilayer evagination reinforcing rib structure has the advantage that improves tubing intensity and ring stiffness simultaneously.
According to needs of production, the outlet mould of second extruder can be made multiple shape, the tubular polyethylene band with different cross section shape is made in extruding thus.The tubular polyethylene band can be circle, rectangle, trapezoidal for hollow its sectional shape of closure tube shaped polyethylene band.The tubular polyethylene band can also be opening shape tubular polyethylene band, and its sectional shape is the T type.
Claims (10)
1. a polyethylene-wound structure wall tube and pipe without frame pipe is made of inner wall layer and outer wall layer, it is characterized in that: inner wall layer merges the continuous solid wall pipe that forms for being overlapped mutually successively by the winding of sheet polyethylene band spiral and each adjacent ribbons edge; Outer wall layer is wound in the evagination stiffening rib that the inner wall layer outer surface forms by the tubular polyethylene helix and constitutes, and tubular polyethylene helix cross-pressure melts commissure in the overlap joint of each adjacent sheet shaped polyethylene strip edge.
2. polyethylene-wound structure wall tube and pipe without frame pipe according to claim 1, it is characterized in that: described outer wall layer is made of 1-3 layer evagination stiffening rib, and the tubular polyethylene helix cross-pressure of each layer evagination stiffening rib is on the adjacent two tubular polyethylene bands of its internal layer.
3. polyethylene-wound structure wall tube and pipe without frame pipe according to claim 1 and 2 is characterized in that: described tubular polyethylene band is hollow closure tube shaped polyethylene band.
4. polyethylene-wound structure wall tube and pipe without frame pipe according to claim 3 is characterized in that: the sectional shape of described hollow closure tube shaped polyethylene band is circular, rectangle or trapezoidal.
5. polyethylene-wound structure wall tube and pipe without frame pipe according to claim 1 and 2 is characterized in that: described tubular polyethylene band is an opening shape tubular polyethylene band.
6. polyethylene-wound structure wall tube and pipe without frame pipe according to claim 5 is characterized in that: the sectional shape of described opening shape tubular polyethylene band is the T type.
7. polyethylene-wound structure wall tube and pipe without frame pipe production method, this production method may further comprise the steps:
(1) employing first extruder squeezes out sheet polyethylene band, and equidistantly is wound in the drum die outer surface in the rolling-operation, and the overlap joint fusion mutually successively of each adjacent ribbons edge, forms the inner wall layer of continuous solid wall pipe structure;
(2) adopt second extruder to squeeze out the tubular polyethylene band, adopt the vacuum cooling shaping box tubular polyethylene band cooling and shaping;
(3) mode that adopts electric heating wind to heat the tubular polyethylene band behind the cooling and shaping heats its outer surface to molten state;
(4) the tubular polyethylene band equidistantly is wound in the inner wall layer outer surface, and makes tubular polyethylene helix cross-pressure melt commissure, form the outer wall layer of evagination reinforcing rib structure in the overlap joint of each adjacent sheet shaped polyethylene strip edge.
8. polyethylene-wound structure wall tube and pipe without frame pipe production method according to claim 7, it is characterized in that: further comprising the steps of: the step that continues to repeat (2)-(3) at formed outer wall layer outer surface, then the tubular polyethylene helix is twined cross-pressure on the adjacent two tubular polyethylene bands of its internal layer, form the outer wall layer that constitutes by layer 2-3 evagination stiffening rib.
9. polyethylene-wound structure wall tube and pipe without frame pipe production method according to claim 7, it is characterized in that: further comprising the steps of: by pressing wheel mechanism each the adjacent sheet shaped polyethylene strip edge lap-joint after twining is carried out roll extrusion successively, make its mutual fusion and keep smooth-going continuously in the setting of drum die periphery.
10. polyethylene-wound structure wall tube and pipe without frame pipe production method according to claim 7, it is characterized in that: further comprising the steps of: by another pressing wheel mechanism the tubular polyethylene band after twining is carried out roll extrusion, make its each adjacent sheet shaped polyethylene strip edge overlap joint that blends into the inner wall layer outer surface melt commissure in the setting of drum die periphery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN 201010193032 CN101852316A (en) | 2010-06-07 | 2010-06-07 | Polyethylene-wound structure wall tube and pipe without frame pipe and production method thereof |
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| CN 201010193032 CN101852316A (en) | 2010-06-07 | 2010-06-07 | Polyethylene-wound structure wall tube and pipe without frame pipe and production method thereof |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102095025A (en) * | 2011-01-31 | 2011-06-15 | 石家庄宝石克拉大径塑管有限公司 | Tube in shape like Chinese character 'pin' with polyethylene winding structure wall and production process thereof |
| CN102248651A (en) * | 2011-05-23 | 2011-11-23 | 韩路平 | Irregular shaped opening die of pipe material with polyethylene multilayer wound structured wall |
| CN102384318A (en) * | 2011-10-24 | 2012-03-21 | 韩路平 | Wall tube with reinforced polyethylene-wound structure as well as manufacturing device and manufacturing method thereof |
| CN102518899A (en) * | 2011-10-24 | 2012-06-27 | 韩路平 | Novel electrofusion-jointing bell and spigot structure of polyethylene-wound structural wall pipe |
| CN102829260A (en) * | 2012-09-03 | 2012-12-19 | 上海金山洋生管道有限公司 | FRPP (fiber reinforced polypropylene) steel-belt-wound ribbed tube and preparation method thereof |
| CN103228425A (en) * | 2010-11-26 | 2013-07-31 | 戴姆勒股份公司 | Modular production device for integral fiber semifinished products and method for producing endless-fiber composite components made from integral fiber composite semifinished products having hollow body structure |
| CN103925427A (en) * | 2014-03-31 | 2014-07-16 | 天津业和科技有限公司 | Polyethylene wound structured wall pipe with steel framework and method for manufacturing polyethylene wound structured wall pipe |
| WO2015024363A1 (en) * | 2013-08-20 | 2015-02-26 | Wu Gengtian | Pressure pipe formed by hot filament winding of composite winding strips and filament winding method |
| CN105065793A (en) * | 2015-09-10 | 2015-11-18 | 山东融汇管通股份有限公司 | Composite direct-drinking water pipe and manufacturing process thereof |
| CN105673960A (en) * | 2016-04-18 | 2016-06-15 | 河北奥特莱防水材料有限公司 | Plastic pipe |
| CN109027444A (en) * | 2018-07-26 | 2018-12-18 | 徐州辛辛那提新型材料有限公司 | A kind of preparation process of the antistatic modified hollow spiral tube of high rigidity |
| CN109140059A (en) * | 2018-10-29 | 2019-01-04 | 康命源（贵州）科技发展有限公司 | Hollow wall tubing and its manufacturing method |
| CN110094581A (en) * | 2019-03-14 | 2019-08-06 | 江西强发科技有限公司 | A kind of HDPE helical bellows and manufacturing method |
| CN110228185A (en) * | 2019-07-18 | 2019-09-13 | 福建祥云科创新型管业科技有限公司 | A kind of band and reinforcing rib winding pipe is produced with the band |
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Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103228425A (en) * | 2010-11-26 | 2013-07-31 | 戴姆勒股份公司 | Modular production device for integral fiber semifinished products and method for producing endless-fiber composite components made from integral fiber composite semifinished products having hollow body structure |
| CN103228425B (en) * | 2010-11-26 | 2015-08-05 | 戴姆勒股份公司 | For the half-finished modular manufacturing device of integrated cellulose and the method for being manufactured endless fibers composite component by the integrated cellulose compound semi-finished product with hollow body structure |
| CN102095025A (en) * | 2011-01-31 | 2011-06-15 | 石家庄宝石克拉大径塑管有限公司 | Tube in shape like Chinese character 'pin' with polyethylene winding structure wall and production process thereof |
| CN102248651A (en) * | 2011-05-23 | 2011-11-23 | 韩路平 | Irregular shaped opening die of pipe material with polyethylene multilayer wound structured wall |
| CN102248651B (en) * | 2011-05-23 | 2014-06-04 | 韩路平 | Irregular shaped opening die of pipe material with polyethylene multilayer wound structured wall |
| CN102384318A (en) * | 2011-10-24 | 2012-03-21 | 韩路平 | Wall tube with reinforced polyethylene-wound structure as well as manufacturing device and manufacturing method thereof |
| CN102518899A (en) * | 2011-10-24 | 2012-06-27 | 韩路平 | Novel electrofusion-jointing bell and spigot structure of polyethylene-wound structural wall pipe |
| CN102384318B (en) * | 2011-10-24 | 2014-06-04 | 韩路平 | Wall tube with reinforced polyethylene-wound structure as well as manufacturing device and manufacturing method thereof |
| CN102829260A (en) * | 2012-09-03 | 2012-12-19 | 上海金山洋生管道有限公司 | FRPP (fiber reinforced polypropylene) steel-belt-wound ribbed tube and preparation method thereof |
| CN104421536A (en) * | 2013-08-20 | 2015-03-18 | 吴耕田 | Pressure pipe formed by thermal winding of composite wrapping belt and forming method |
| WO2015024363A1 (en) * | 2013-08-20 | 2015-02-26 | Wu Gengtian | Pressure pipe formed by hot filament winding of composite winding strips and filament winding method |
| CN104421536B (en) * | 2013-08-20 | 2016-08-10 | 吴耕田 | The hot Wrapping formed manometer tube of composite winding belt and forming method |
| CN103925427A (en) * | 2014-03-31 | 2014-07-16 | 天津业和科技有限公司 | Polyethylene wound structured wall pipe with steel framework and method for manufacturing polyethylene wound structured wall pipe |
| CN105065793A (en) * | 2015-09-10 | 2015-11-18 | 山东融汇管通股份有限公司 | Composite direct-drinking water pipe and manufacturing process thereof |
| CN105673960A (en) * | 2016-04-18 | 2016-06-15 | 河北奥特莱防水材料有限公司 | Plastic pipe |
| CN109027444A (en) * | 2018-07-26 | 2018-12-18 | 徐州辛辛那提新型材料有限公司 | A kind of preparation process of the antistatic modified hollow spiral tube of high rigidity |
| CN109140059A (en) * | 2018-10-29 | 2019-01-04 | 康命源（贵州）科技发展有限公司 | Hollow wall tubing and its manufacturing method |
| CN109140059B (en) * | 2018-10-29 | 2024-03-19 | 康命源（贵州）科技发展有限公司 | Hollow wall pipe and manufacturing method thereof |
| CN110094581A (en) * | 2019-03-14 | 2019-08-06 | 江西强发科技有限公司 | A kind of HDPE helical bellows and manufacturing method |
| CN110228185A (en) * | 2019-07-18 | 2019-09-13 | 福建祥云科创新型管业科技有限公司 | A kind of band and reinforcing rib winding pipe is produced with the band |
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Open date: 20101006 |