CN204512697U - A kind of polypropylene skeleton strengthens internal-rib winding structure tube - Google Patents
A kind of polypropylene skeleton strengthens internal-rib winding structure tube Download PDFInfo
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- CN204512697U CN204512697U CN201520076736.7U CN201520076736U CN204512697U CN 204512697 U CN204512697 U CN 204512697U CN 201520076736 U CN201520076736 U CN 201520076736U CN 204512697 U CN204512697 U CN 204512697U
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Abstract
The utility model discloses a kind of polypropylene skeleton and strengthen internal-rib winding structure tube, because this bellows is by the direct spiral winding of multiple tracks hollow tubular product, and be close to each other and fixedly form, hollow tubular product is glued with more area of contact each other, can the intensity be fixedly connected be ensured, save processing and fabricating operation simultaneously, and there is good ring stiffness and higher-strength, solve common bellows Problems existing in the past, this model utility is used for bellows production field.
Description
Technical field
The utility model relates to bellows production field, particularly relates to a kind of polypropylene skeleton and strengthens internal-rib winding structure tube.
Background technique
There is the outer ripple shape plastic pipe structure-wall pipe material of hollow reinforced rib, be widely used in because it has good pipeclay acting in conjunction and ring stiffness during municipal blow-off line builds.At present, the manufacture method with the outer ripple plastic winding structural wall tube of hollow reinforced rib has three kinds usually.
The first, first have the first extruder to extrude melting bar plastic sheet material, on the circular forming cylinder then making this sheet material be spirally wound on side by side regularly continuously many little roller bearings of active rotation are housed.Simultaneously, trapezoidal tubular strengthening ribs is extruded by an other extruder, with the overlapping the slot position of same spiral winding mode cross-pressure each threaded plastic sheet material neighboring edge on tube wall after water-cooled vacuum sizing, trapezoidal tubular strengthening ribs bottom surface is through suitably heating, simultaneously because plastic sheet is in semi-molten state, after the rolling of pinch roller, the bar plastic sheet material of tubular strengthening ribs and two-layer mutual overlap joint fuses together, and forms the outer ripple plastic winding structure wall pipe with hollow reinforced rib.But this technique exists following defect: (1) is wound around after cooling and shaping due to stiffening rib, determining its height can not be too large, so the tube wall moment of inertia after shaping is less; (2) the bonding very difficult control of stiffening rib and tube wall, as too low in threaded plastic sheet temperature, then bonding difference, and as temperature is too high, bar plastic sheet material then can be difficult to control shaping from forming cylinder tenesmus; (3) complete bonding after, slot is left all the time in the side of stiffening rib, causes stress to concentrate, ambient temperature alternately change time face of weld progressively can be ftractureed by slot, easily cause tube wall be separated with stiffening rib and collapse.
The second, what first extruded by the first extruder is that both sides, bottom surface are respectively with the special-shaped rectangular tube of the suitable shape fin of a mutual welding, this special-shaped rectangular tube is after vacuum cooling sizing, be spirally wound on forming cylinder, constantly extruded the melten gel of melting again by the second extruder to the fin connection part of the adjacent correspondence of the special-shaped rectangular tube of spiral winding side by side, be welded together through pinch roller rolloff.There is following shortcoming in this technique: this welding position is at the most weak part of tubing, and face of weld is little, melten gel amount is few, thus reduces tubing integral bending.
The third, first extrude by the first extruder the plastic shaped band that continuous print both sides have the tubular lobes including hollow cavity, this plastic shaped band is spirally wound on the forming cylinder of rotation continuously side by side, space is formed between two tubular lobes making adjacent plastic shaped band close to each other, in space, the plastisol of melting is clamp-oned again continuously by the second extruder, one is closely fused into through latter two tubular lobes of pinch roller rolloff, two tubular lobes weldings form the hollow reinforced rib of pipe outer wall, the fusion position, side of two tubular lobes is formed and strengthens internal-rib.There is following shortcoming in this technique: this hollow reinforced rib is all formed by plastic shaped band, and like this, the outer ripple shape plastic pipe structure-wall pipe material after shaping has very large weight, is not easy to transport.
Above-mentioned common winding bellows ubiquity needs the process being repeatedly wound around and rolling, thus increases the technological process of bellows making, makes its preparation process all comparatively complicated, too increases the fabricating cost of producing machine simultaneously.And the joint of this type of bellows sheet material tube wall is comparatively weak, its join strength has to be strengthened.
Therefore, be necessary to provide a kind of preparation process more simple and the bellows that can reach usage requirement, solve the problems referred to above.
Model utility content
For solving the problem, the utility model provides a kind of technique simple and the better polypropylene skeleton of join strength strengthens internal-rib winding structure tube.
The utility model solves the technological scheme that its technical problem adopts:
A kind of polypropylene skeleton strengthens internal-rib winding structure tube, comprises by the body of band spiral winding, and band is some parallel to each other and adjacent surface is close to fixing hollow tubular product, and the inwall of each hollow tubular product is concordant.
Be further used as the improvement of technical solutions of the utility model, each described hollow tubular product comprises the plastic ripple tube body that is arranged on hollow tubular product inside and is wrapped in the PE clad outside described plastic ripple tube body, is close to is fixed between two adjacent hollow tubular products by the PE clad be close to each other.
Be further used as the improvement of technical solutions of the utility model, band comprises the orthogonal bellows base tube of a cross section and is close to the fixing internal-rib reinforced pipe of described bellows base tube, and described internal-rib reinforced pipe is provided with the projection higher than bellows base tube thickness.
Be further used as the improvement of technical solutions of the utility model, internal-rib reinforced pipe comprises the base tube attachment portion that is connected with bellows base tube and protrudes from described base tube joint and is divided into the Inner rib part that isosceles trapezoid arranges.
Be further used as the improvement of technical solutions of the utility model, internal-rib reinforced pipe comprises two symmetrically arranged right-angled trapezium pipes, described in two, the long base of right-angled trapezium pipe is close to fixing, and the short base length of right-angled trapezium pipe described in two equals the thickness of bellows base tube and is close to fixing with bellows base tube both sides.
The beneficial effects of the utility model: because this bellows is by the direct spiral winding of multiple tracks hollow tubular product, and be close to each other and fixedly form, hollow tubular product is glued with more area of contact each other, the intensity be fixedly connected with can be ensured, save processing and fabricating operation simultaneously, and there is good ring stiffness and higher-strength, solve common bellows Problems existing in the past.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is described in further detail:
Fig. 1 is the utility model embodiment bellows first embodiment tube wall cross-sectional view;
Fig. 2 is the utility model embodiment bellows second embodiment tube wall cross-sectional view.
Embodiment
With reference to Fig. 1, Fig. 2, the utility model is that a kind of polypropylene skeleton strengthens internal-rib winding structure tube, comprises by the body of band spiral winding, and band is some parallel to each other and adjacent surface is close to fixing hollow tubular product, and the inwall of each hollow tubular product is concordant.
Because this bellows is by the direct spiral winding of multiple tracks hollow tubular product, and be close to each other and fixedly form, hollow tubular product is glued with more area of contact each other, the intensity be fixedly connected with can be ensured, save processing and fabricating operation simultaneously, and there is good ring stiffness and higher-strength, solve common bellows Problems existing in the past.
As the utility model preferred embodiment, each described hollow tubular product is comprised the plastic ripple tube body that is arranged on hollow tubular product inside and is wrapped in be close to by the PE clad 3 be close to each other between the adjacent hollow tubular product of PE clad 3, two outside described plastic ripple tube body and is fixed.
As the utility model preferred embodiment, band comprises the orthogonal bellows base tube of a cross section 1 and is close to the fixing internal-rib reinforced pipe 2 of described bellows base tube 1, and described internal-rib reinforced pipe is provided with the projection higher than bellows base tube 1 thickness.
As the utility model preferred embodiment, internal-rib reinforced pipe 2 comprises the base tube attachment portion that is connected with bellows base tube 1 and protrudes from described base tube joint and is divided into the Inner rib part that isosceles trapezoid arranges.
As the utility model preferred embodiment, internal-rib reinforced pipe 2 comprises two symmetrically arranged right-angled trapezium pipes, described in two, the long base of right-angled trapezium pipe is close to fixing, and the short base length of right-angled trapezium pipe described in two equals the thickness of bellows base tube 1 and is close to fixing with bellows base tube 1 both sides.
The processing speed of bellows can be improved by many hollow tubular products parallel to each other successively spiral winding, boost productivity, and the interval time be connected to each other between hollow tubular product can better be ensured, better ensure its connectivity robustness.
Said method can be equipped with by common winding structure pipe manufacturing mechanism get to know accordingly, namely shaping cover and auxiliary pressing wheel can produce, equipment investment is little, can wide popularization and application.
Certainly, the utility model is created and is not limited to above-mentioned mode of execution, those of ordinary skill in the art also can make equivalent variations or replacement under the prerequisite without prejudice to the utility model spirit, and these equivalent modification or replacement are all included in the application's claim limited range.
Claims (5)
1. polypropylene skeleton strengthens an internal-rib winding structure tube, comprises by the body of band spiral winding, it is characterized in that: described band is some parallel to each other and adjacent surface is close to fixing hollow tubular product, and the inwall of each hollow tubular product is concordant.
2. polypropylene skeleton according to claim 1 strengthens internal-rib winding structure tube, it is characterized in that: each described hollow tubular product comprises the plastic ripple tube body that is arranged on hollow tubular product inside and is wrapped in the PE clad outside described plastic ripple tube body, be close to by the PE clad be close to each other between two adjacent hollow tubular products and be fixed.
3. polypropylene skeleton according to claim 2 strengthens internal-rib winding structure tube, it is characterized in that: described band comprises the orthogonal bellows base tube of a cross section and is close to the fixing internal-rib reinforced pipe of described bellows base tube, and described internal-rib reinforced pipe is provided with the projection higher than bellows base tube thickness.
4. polypropylene skeleton according to claim 3 strengthens internal-rib winding structure tube, it is characterized in that: described internal-rib reinforced pipe comprises the base tube attachment portion that is connected with bellows base tube and protrudes from described base tube joint and be divided into the Inner rib part that isosceles trapezoid arranges.
5. polypropylene skeleton according to claim 3 strengthens internal-rib winding structure tube, it is characterized in that: described internal-rib reinforced pipe comprises two symmetrically arranged right-angled trapezium pipes, described in two, the long base of right-angled trapezium pipe is close to fixing, and the short base length of right-angled trapezium pipe described in two equals the thickness of bellows base tube and is close to fixing with bellows base tube both sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520076736.7U CN204512697U (en) | 2015-02-03 | 2015-02-03 | A kind of polypropylene skeleton strengthens internal-rib winding structure tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520076736.7U CN204512697U (en) | 2015-02-03 | 2015-02-03 | A kind of polypropylene skeleton strengthens internal-rib winding structure tube |
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| Publication Number | Publication Date |
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| CN204512697U true CN204512697U (en) | 2015-07-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520076736.7U Active CN204512697U (en) | 2015-02-03 | 2015-02-03 | A kind of polypropylene skeleton strengthens internal-rib winding structure tube |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104676142A (en) * | 2015-02-03 | 2015-06-03 | 戴爱清 | Pipeline with inner rib winding structure wall reinforced by polypropylene framework and manufacturing method of pipeline |
| CN112622247A (en) * | 2020-12-21 | 2021-04-09 | 广东建通管道制品有限公司 | Plastic winding high-rib structure wall pipe and manufacturing method thereof |
-
2015
- 2015-02-03 CN CN201520076736.7U patent/CN204512697U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104676142A (en) * | 2015-02-03 | 2015-06-03 | 戴爱清 | Pipeline with inner rib winding structure wall reinforced by polypropylene framework and manufacturing method of pipeline |
| CN112622247A (en) * | 2020-12-21 | 2021-04-09 | 广东建通管道制品有限公司 | Plastic winding high-rib structure wall pipe and manufacturing method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20171215 Address after: 230001 industrial agglomeration area of Huagang Town, Feixi County, Hefei, Anhui Patentee after: ANHUI XINBANG PLASTIC CO., LTD. Address before: 510660 Guangdong Province Nanhai District of Foshan City Industrial Zone Water South Chong Patentee before: Dai Aiqing |