CN104149325A - Process for laminating thermoplastic winding pipeline - Google Patents
Process for laminating thermoplastic winding pipeline Download PDFInfo
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- CN104149325A CN104149325A CN201310178067.XA CN201310178067A CN104149325A CN 104149325 A CN104149325 A CN 104149325A CN 201310178067 A CN201310178067 A CN 201310178067A CN 104149325 A CN104149325 A CN 104149325A
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- winding
- wound around
- prepreg tape
- hoop
- core
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Abstract
The invention relates to a process for laminating a thermoplastic winding pipeline and mainly relates to winding and laminating design of a pipeline structure layer. According to the process, a continuous fiber-reinforced thermoplastic resin prepreg tape is wound around a core die; the tension strength of the pipeline in the axial direction and in the annular direction are designed by changing the winding angle and the laminating sequence; the resin is uniformly distributed by completely fusing the prepreg tape which is wound around the core die and simultaneously controlling the winding tension in the process of winding, so that the lack of glue on an inner layer is avoided. Compared with the prior art, the process has the advantages that the annular strength and the axial strength of the pipe can be flexibly designed by laminating; the wound layers are relatively compact; the layers are wound in a crossing manner, thus being unlikely to be stacked together; staggered joints are reduced, so that the sealing property of the pipe is relatively good.
Description
Technical field
The present invention relates to a kind of lay-up process that is wound around, especially relate to a kind of thermoplasticity winding pipeline lay-up process.
Background technology
Fiber winding forming technology is by being wound on core according to certain rule obtaining prepreg tape material after continuous fortifying fibre impregnating resin.Traditional winding technology is glass fibre to be steeped to the thermosetting resins such as unsaturated polyester resin or epoxy resin by glue drill traverse, is then wound around according to the lay-up process of setting.Thermosetting is wound around due to the inherent shortcoming of thermosetting resin own, the problem such as existence is crisp, shock resistance is poor and processing environment is severe.Thermoplasticity is wound around and can solves the problem that thermosetting exists, but thermoplasticity winding is a brand-new problem, and how solving its lay-up process becomes the key of this technology.
Fw Frp Pipe is made up of inner liner, structure sheaf and external protection three parts; inner liner plays antiseepage, corrosion-resistant effect; structure sheaf is mainly load-carrying construction, shoulders the strength and stiffness effect of pipeline, the effect such as that external protection plays is anti-aging, anticorrosion, anti-Japanese solarization.In whole pipeline, the design of structure sheaf plays vital effect to the voltage withstand class of pipeline.The design of structure sheaf is exactly the design that is wound around lay-up process, and laying design has determined the intensity of pipeline at hoop and axially, and the control of defect between layers.The changeability that is wound around lay-up process makes winding product structurally have stronger designability, is mainly just embodied in the laying design of structure sheaf.Therefore, reasonably laying design plays conclusive effect to the performance of winding pipeline.
Summary of the invention
Object of the present invention be exactly provide in order to overcome the defect that above-mentioned prior art exists a kind of intensity can flexible design, the thermoplasticity winding pipeline lay-up process of good seal performance.
Object of the present invention can be achieved through the following technical solutions:
A kind of thermoplasticity winding pipeline lay-up process, for the winding laying design of pipeline configuration layer, this technique is the winding laying design of pipeline configuration layer, by changing winding angle and the laying order of continuous fiber reinforced thermoplastic resin prepreg tape on core, design pipeline in the tensile strength axially and on hoop; By by the complete melting of prepreg tape being wound on core, control winding tension simultaneously, control being uniformly distributed of resin.
Specifically comprise the following steps:
(1) be wound around front setting on Wiring apparatus and be wound around parameter, establishment winding program;
(2) bandwidth going out according to the calculation of parameter setting, cuts into setting width in advance by continuous fortifying fibre heat of immersion plastic resin prepreg tape;
(3) start winding program, prepreg tape is wrapped on core, open infrared heater simultaneously, in the process being wound around, prepreg tape is carried out to preheating melting;
(4) be wound around in the process hocketing at cross winding and hoop, when each hoop has been wound around, pass through pressure roller compacting, the winding laying of complete twin conduit.
Winding parameter described in step (1) comprises stacking sequence and the corresponding number of plies that core diameter, winding angle, bandwidth, cross winding are wound around with hoop.
As preferred embodiment, the winding angle of employing is 45 °～75 °.
The stacking sequence and the corresponding number of plies that are wound around with hoop about cross winding, when design is wound around stacking sequence design, adopt cross winding and hoop to be wound around the technique combining, every cross winding one deck or two-layerly need configuration one deck hoop to be wound around to carry out the every cross winding one deck of compacting or need configure one deck hoop when two-layer to be wound around and to carry out compacting, so circulation.Winding tension successively decreases from the inside to the outside gradually, and then ensures that inner layer resin can not be extruded out, causes the phenomenon of internal layer starved.
In step (2), as preferred embodiment, bandwidth calculates according to core diameter and the winding angle set in system, and wherein bandwidth and winding angle influence each other.When hoop is wound around, the relation between bandwidth and winding angle can design (b represents bandwidth, and D represents core diameter, and α represents winding angle) by formula b=π Dcos α.When cross winding, formula is b=(π Dcos α)/n, and wherein n represents winding point of contact, point of contact number (dolly comes and goes number of times).After winding process starts, bandwidth is just decided, and therefore hoop is wound around and winding angle when cross winding is different.
In step (2), as preferred embodiment, cut and adopt cutting machine that prepreg tape is cut into and needs width.
Suddenly the warm-up control described in (3) carried out before prepreg tape is wound on core; Described melting is controlled at prepreg tape and is wound in the process on core and carries out.
As preferred embodiment, the final purpose of prepreg tape melting is to make to be wound to the complete melting of base material on core, to ensure adhesive property between layers, making in prepreg tape melting process, can be before prepreg tape be wound on core, carry out the pre-heat treatment, and providing thermal source to make to be wound to the complete melting of prepreg tape on core at core place.
In step (4), as preferred embodiment, adopting the pressure of pressure roller is 0.1～0.2MPa, should not adopt excessive pressure.
As preferred embodiment, in fortifying fibre heat of immersion plastic resin prepreg tape, continuous fiber is glass fibre, carbon fiber or aramid fiber continuously; Thermoplastic resin is polypropylene, polyethylene or polyamide.
Compared with prior art, the present invention has the following advantages:
(1) tubing hoop intensity and axial strength can flexible design;
(2) what be wound around is more closely knit between layers, and cross winding is not easy to be superimposed, and fissure of displacement phenomenon can reduce.
(3) tubing sealing property is better.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is described in detail.
Embodiment 1
Set and be wound around lay-up process parameter by wrapping machine, wherein cross winding angle initialization is 45 °, and core diameter is 150mm, in advance prepreg tape is cut into 48mm, and 7 are wound around point of contact.By continuous glass fiber reinforced polypropylene prepreg tape sheet material after infrared heater preheating, be wound on core, infrared heater heating is set at core place, make to be wound to the complete melting of prepreg tape on core, after cross winding one deck, the one deck of hoop winding immediately carries out compacting, and after each hoop has been wound around, pressure roller pressure is set to 0.1MPa.Hoop, axial tensile strength that according to GB/T1458-2005 and GB/T1447-2005, test obtains tubing are respectively 285MPa, 26MPa.
Embodiment 2
Set and be wound around lay-up process parameter by wrapping machine, wherein cross winding angle initialization is 65 °, and core diameter is 150mm, in advance prepreg tape is cut into 49.8mm, and 4 are wound around point of contact.By continuous carbon fibre reinforced polyamide prepreg tape sheet material after infrared heater preheating, be wound on core, infrared heater heating is set at core place, make to be wound to the complete melting of prepreg tape on core, after cross winding is two-layer, the one deck of hoop winding immediately carries out compacting, and after each hoop has been wound around, pressure roller pressure is set to 0.15MPa.
Embodiment 3
Set and be wound around lay-up process parameter by wrapping machine, wherein cross winding angle initialization is 75 °, and core diameter is 150mm, in advance prepreg tape is cut into 61mm, and 2 are wound around point of contact.By continuous aramid fiber enhanced polyethylene prepreg tape sheet material after infrared heater preheating, be wound on core, infrared heater heating is set at core place, make to be wound to the complete melting of prepreg tape on core, after cross winding is two-layer, the one deck of hoop winding immediately carries out compacting, and after each hoop has been wound around, pressure roller pressure is set to 0.2MPa.
Embodiment 4
A kind of thermoplasticity winding pipeline lay-up process, this technique is the winding laying design of pipeline configuration layer, by changing winding angle and the laying order of continuous fiber reinforced thermoplastic resin prepreg tape on core, design pipeline in the tensile strength axially and on hoop; By by the complete melting of prepreg tape being wound on core, control winding tension simultaneously, control being uniformly distributed of resin.Specifically comprise the following steps:
(1) on Wiring apparatus, set the winding parameters such as core diameter, winding angle, cross winding and hoop stacking sequence and the corresponding number of plies before being wound around, establishment winding program, in the present embodiment, the winding angle adopting is 50 °, every cross winding one deck configuration one deck hoop is wound around and carries out compacting, winding tension successively decreases from the inside to the outside gradually, ensures that inner layer resin can not be extruded out, causes the phenomenon of internal layer starved;
(2) bandwidth going out according to the winding calculation of parameter setting, adopts cutting machine that the continuous aramid fiber prepreg tape of dipping polyamide is cut into setting width in advance;
(3) start winding program, prepreg tape is wrapped on core, open infrared heater, in the process being wound around, prepreg tape is carried out to preheating melting, the final purpose of prepreg tape melting is to make to be wound to the complete melting of base material on core, to ensure adhesive property between layers, making in prepreg tape melting process, can, before prepreg tape is wound on core, carry out the pre-heat treatment, and provide thermal source to make to be wound to the complete melting of prepreg tape on core at core place;
(4) be wound around in the process hocketing at cross winding and hoop, when each hoop has been wound around, by pressure roller compacting, adopting the pressure of pressure roller is 0.2MPa, the winding laying of complete twin conduit.
Claims (10)
1. a thermoplasticity winding pipeline lay-up process, it is characterized in that, this technique is the winding laying design of pipeline configuration layer, by changing winding angle and the laying order of continuous fiber reinforced thermoplastic resin prepreg tape on core, designs pipeline in the tensile strength axially and on hoop; By by the complete melting of prepreg tape being wound on core, control winding tension simultaneously, control being uniformly distributed of resin.
2. a kind of thermoplasticity winding pipeline lay-up process according to claim 1, is characterized in that, this technique comprises the following steps:
(1) be wound around front setting on Wiring apparatus and be wound around parameter, establishment winding program;
(2) bandwidth going out according to the calculation of parameter setting, cuts into setting width in advance by continuous fortifying fibre heat of immersion plastic resin prepreg tape;
(3) start winding program, prepreg tape is wrapped on core, open infrared heater simultaneously, in the process being wound around, prepreg tape is carried out to preheating melting;
(4) be wound around in the process hocketing at cross winding and hoop, when each hoop has been wound around, pass through pressure roller compacting, the winding laying of complete twin conduit.
3. a kind of thermoplasticity winding pipeline lay-up process according to claim 2, it is characterized in that, the winding parameter described in step (1) comprises stacking sequence and the corresponding number of plies that core diameter, winding angle, bandwidth, cross winding are wound around with hoop.
4. a kind of thermoplasticity winding pipeline lay-up process according to claim 2, is characterized in that,
Described cross winding angle is 45 °～75 °.
5. a kind of thermoplasticity winding pipeline lay-up process according to claim 2, it is characterized in that, when winding, adopt cross winding and hoop to be wound around the technique combining, every cross winding one deck or two-layer need configuration one deck hoop are wound around and carry out compacting, so circulation, and winding tension successively decreases from the inside to the outside gradually.
6. a kind of thermoplasticity winding pipeline lay-up process according to claim 2, is characterized in that, the bandwidth described in step (2) calculates according to core diameter and the winding angle set in system, and wherein bandwidth and winding angle influence each other.; When hoop is wound around, the relation between bandwidth and winding angle can design by formula b=π Dcos α, wherein (b represents bandwidth, and D represents core diameter, and α represents winding angle).; When cross winding, its bandwidth is that formula is b=(π Dcos α)/n, and wherein n represents to be wound around point of contact number, and dolly comes and goes number of times.
7. a kind of thermoplasticity winding pipeline lay-up process according to claim 2, is characterized in that, cutting described in step (2) adopts cutting machine prepreg tape to be cut into the width needing.
8. a kind of thermoplasticity winding pipeline lay-up process according to claim 2, is characterized in that, the warm-up control described in step (3) carried out before prepreg tape is wound on core; Described melting is controlled at prepreg tape and is wound in the process on core and carries out.
9. a kind of thermoplasticity winding pipeline lay-up process according to claim 2, is characterized in that, in step (4), adopting the pressure of pressure roller is 0.1～0.2MPa.
10. a kind of thermoplasticity winding pipeline lay-up process according to claim 1 and 2, is characterized in that, in described continuous fiber reinforced thermoplastic resin prepreg tape, continuous fiber is glass fibre, carbon fiber or aramid fiber; Thermoplastic resin is polypropylene, polyethylene or polyamide.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310178067.XA CN104149325A (en) | 2013-05-14 | 2013-05-14 | Process for laminating thermoplastic winding pipeline |
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| CN201310178067.XA CN104149325A (en) | 2013-05-14 | 2013-05-14 | Process for laminating thermoplastic winding pipeline |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105109076A (en) * | 2015-07-31 | 2015-12-02 | 武汉理工大学 | Design and preparation method for composite material tube with large bending deflection |
| CN106313582A (en) * | 2015-06-19 | 2017-01-11 | 广州赛奥碳纤维技术有限公司 | Tow prepreg tape winding laying process |
| CN106985428A (en) * | 2017-04-26 | 2017-07-28 | 浙江伟星新型建材股份有限公司 | A kind of heavy caliber thermoplastic composite tube preparation method |
| CN107599446A (en) * | 2017-09-30 | 2018-01-19 | 威海拓展纤维有限公司 | Carbon fiber prepreg laying device |
| CN107790557A (en) * | 2016-08-31 | 2018-03-13 | 盐城市雷击环保科技有限公司 | A kind of large-diameter steel band winding pipe mold and its winding method |
| CN111016216A (en) * | 2019-11-22 | 2020-04-17 | 山东泰开电器绝缘有限公司 | Glass fiber reinforced plastic cylinder manufacturing process |
| CN111231287A (en) * | 2020-01-17 | 2020-06-05 | 大连理工大学 | Method for designing shape of rubber winding forming compression roller |
| CN111231288A (en) * | 2020-01-17 | 2020-06-05 | 大连理工大学 | Method for calculating width of rubber winding molding rubber belt |
| CN112157926A (en) * | 2020-08-21 | 2021-01-01 | 南京聚发新材料有限公司 | Fiber reinforced composite material winding forming equipment and winding forming process thereof |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106313582A (en) * | 2015-06-19 | 2017-01-11 | 广州赛奥碳纤维技术有限公司 | Tow prepreg tape winding laying process |
| CN105109076A (en) * | 2015-07-31 | 2015-12-02 | 武汉理工大学 | Design and preparation method for composite material tube with large bending deflection |
| CN107790557A (en) * | 2016-08-31 | 2018-03-13 | 盐城市雷击环保科技有限公司 | A kind of large-diameter steel band winding pipe mold and its winding method |
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| CN107599446A (en) * | 2017-09-30 | 2018-01-19 | 威海拓展纤维有限公司 | Carbon fiber prepreg laying device |
| CN111016216A (en) * | 2019-11-22 | 2020-04-17 | 山东泰开电器绝缘有限公司 | Glass fiber reinforced plastic cylinder manufacturing process |
| CN111231287A (en) * | 2020-01-17 | 2020-06-05 | 大连理工大学 | Method for designing shape of rubber winding forming compression roller |
| CN111231288A (en) * | 2020-01-17 | 2020-06-05 | 大连理工大学 | Method for calculating width of rubber winding molding rubber belt |
| CN111231288B (en) * | 2020-01-17 | 2021-12-10 | 大连理工大学 | Method for calculating width of rubber winding molding rubber belt |
| CN111231287B (en) * | 2020-01-17 | 2021-12-10 | 大连理工大学 | Method for designing shape of rubber winding forming compression roller |
| CN112157926A (en) * | 2020-08-21 | 2021-01-01 | 南京聚发新材料有限公司 | Fiber reinforced composite material winding forming equipment and winding forming process thereof |
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Application publication date: 20141119 |