CN104455790B - Fiberglass PE multiple tube and continuous winding production technology - Google Patents
Fiberglass PE multiple tube and continuous winding production technology Download PDFInfo
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- CN104455790B CN104455790B CN201410631571.5A CN201410631571A CN104455790B CN 104455790 B CN104455790 B CN 104455790B CN 201410631571 A CN201410631571 A CN 201410631571A CN 104455790 B CN104455790 B CN 104455790B
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- layer
- fiberglass
- pipeline body
- multiple tube
- pipe
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L9/00—Rigid pipes
- F16L9/16—Rigid pipes wound from sheets or strips, with or without reinforcement
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
- B29C53/56—Winding and joining, e.g. winding spirally
- B29C53/562—Winding and joining, e.g. winding spirally spirally
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
- B29C53/56—Winding and joining, e.g. winding spirally
- B29C53/566—Winding and joining, e.g. winding spirally for making tubular articles followed by compression
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2023/00—Tubular articles
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
- Laminated Bodies (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
Abstract
The present invention relates to a kind of fiberglass PE multiple tube and continuous winding production technology, cannot be used directly for drinking water engineering and the manufacturing process problem of pipe joint to solve existing pipe of composite glass fiber reinforced plastics, including frp layer, it is characterized in that being provided with interior enhancement layer at frp layer inwall, interior enhancement layer inwall is provided with PE layer；Frp layer outer surface is from inside to outside sequentially provided with outer enhancement Layer, external protection；PE layer table in pipeline body outwards overturns along pipeline body two ends, and with external protection fit one section of flange length.By being wound around, solidify, cutting, the technique such as sealing completes.Mechanical strength property and the PE hygienic environment-protecting characteristic of glass reinforced plastic pipe are effectively bonded together, obtain pressure, rigidity, sanitary index Multiple techniques effect, pipeline forming process is the most uninterrupted, efficiency is high, manufacturing cost is relatively low, stable technical process, environmental sanitation situation is good, and product specification coverage is big.
Description
Technical field
The present invention relates to pipeline manufacturing technology field, particularly relate to a kind of fiberglass PE multiple tube and continuous winding production technology.
Background technology
Though existing simple glass steel pipe is provided with the sandwich construction such as inner liner, interior winding layer, be theoretically utilized in water engineering, but due in glass reinforced plastic pipe containing the toxicant such as unsaturated-resin and curing agent, actually used in be generally not used for feedwater.A kind of pipe of composite glass fiber reinforced plastics provided for CN103292055A such as patent publication No., tube wall is 4 layers, sets inner liner, toughening layer, enhancement layer and overcoat the most successively, and each layer thickness, material all have design.Prehensile body is made; public technology also have many, if patent publication No. is CN103343845A, disclosed a kind of continuous winding glass reinforced plastic pipe; including inner liner, structure sheaf and external protection, structure sheaf is combined by multilayer long fibre layer and the short fine upper and lower interleaved of layer；Long fine layer is cut glass fibre by length and resin is constituted, and short fine layer is made up of short glass fiber, quartz sand and resin.The program with resin as matrix, glass fibre as reinforcing material, quartz sand as filler, use continuous winding technique make.Additionally, connection between pipeline all cannot solve the contact of body bulk material and institute's pumped (conveying) medium, if patent publication No. is CN101338844A, a kind of method of connecting glass fiber reinforced plastic, fiberglass pipe undertaking head is disposably made with whole glass reinforced plastic pipe, pipe connection-peg is also disposably made with whole glass reinforced plastic pipe, installs sealing ring additional and is located at conical internal thread root, and with the pipe connection-peg of conical external screw thread, outside is screwed into the glass reinforced plastic pipe other end with conical internal thread；And patent publication No. is CN102410422A, the glass reinforced plastic pipe flange arrangement of design, Flange joint has pillar, protective pipe sleeve to be contained in the outside of body, simply arranges pillar and protect body.
Summary of the invention
The invention aims to solve existing pipe of composite glass fiber reinforced plastics cannot be used directly for drinking water engineering and the manufacturing process problem of pipe joint, a kind of reasonable in design is provided, there is fiberglass PE multiple tube and the continuous winding production technology of mechanical strength feature and PE hygienic environment-protecting feature.
The above-mentioned technical problem of the present invention is mainly addressed by following technical proposals: a kind of fiberglass PE multiple tube, its pipeline body includes frp layer, it is characterized in that being provided with interior enhancement layer at described frp layer inwall, and interior enhancement layer inwall is provided with PE layer；Frp layer outer surface is from inside to outside sequentially provided with outer enhancement Layer, external protection；Described PE layer table in pipeline body outwards overturns along pipeline body two ends, and with external protection fit one section of flange length.
Fiberglass i.e. fiber-reinforced plastic, refers generally to glass fiber reinforcement unsaturated polyester, epoxy resin and phenolic resin as matrix resin, hard because of light weight, and non-conductive, mechanical strength is high, corrosion-resistant and extensively apply, and steel can be replaced as the manufacture material of portioned product.But though fiberglass is hard but frangible, elastic modelling quantity is low, less 10 times than steel, makes product structure rigidity not enough, is easily deformed；Long-term temperature tolerance is poor, though there being fire resistant resin, operating temperature is possible at 200～300 DEG C, but as general purpose polyester FRP intensity more than 50 DEG C is just decreased obviously；Shear strength is low, because interlaminar shear strength undertakes by resin；The most also there is the harmful substance such as unsaturated-resin and curing agent.The technical program is for these pluses and minuses of fiberglass, using fiberglass as the basic framework of pipeline body, in pipeline body, outer arrange enhancement Layer carry out auxiliary support, and PE layer is set at internal layer, made all areas of water meet the national standard of PE feedwater piping on sanitary index, and turned up complete cladding process by termination, ensured that pipeline body was in connection construction, any all may avoid exposing with contact site, water source, thus obtain a kind of aqueduct completely new product.
As preferably, the described PE layer length sleeve required when being connected with two branch pipe(tube) bodies with the length of external protection laminating that turns up is suitable.It is connected by additional sleeve fashion between this case design pipeline body to merge completely as an example, sleeve and the two pipelines external PE of turning over layer.
As preferably, the length section position that described PE layer coordinates with sleeve is provided with rubber ring.By rubber ring strengthen sleeve be connected with pipeline body between sealing.
A kind of continuous winding production technology of fiberglass PE multiple tube, it is characterized in that: extruded material strip by PE extruder, it is transported to be wound around on the Wound Dies of main frame, while Wound Dies rotates about the axis, its surface moves axially forward, PE material strip adheres on die surface and with mould spiral winding, forms the interior PE layer of pipeline；It is wound on PE internal layer by feeding device conveying material, sequentially forms the interior enhancement layer of pipeline, frp layer, outer enhancement layer and external protection；The pipeline body of shaping is forced through solidification equipment sizing by mould, carries out pipeline body two ends PE layer flanging seal to closing device and be coated with after cleaved device.As the manufacture of a kind of larger diameter new product, using canoe to produce, the remaining limit of two ends PE layer flange cladding is completed offer condition, this mode not only efficiency is high, process stabilization, controls highly effective to length data.Winding between different materials is combined, and temperature control, material mixture ratio, recombination time etc. parameter is had strict design.
As preferably, described feeding device is provided with glass, resin, mortar, curing agent, and is provided with fusing system.Glass is independent material, and it is about 10% that curing agent is added in resin use, curing agent and resin ratio as a kind of auxiliary agent, and mortar is the mixture of quartz sand and resin.
As preferably, described flanging seal is carried out on closing device, is provided with preheater, and is provided with radially rubber ring pressing mold in closing device.
As preferably, the frp layer of pipe ends is first removed one section with lathe by described flanging seal, exposes PE layer；Then to the PE layer heating exposed, it is allowed to soften；With enlarging circle, the PE layer of softening supportted port that is big and that be pressed onto pipeline again；Finally be wound into pipe end outer wall by PE extruder extrusion PE material strip, formed flange cladding width PE layer and and end face on PE layer hot melting cohesion get up.
As preferably, being provided with cutter sweep after described solidification equipment, cutter sweep position is provided with pipeline body Support bracket, and described Support bracket has the centripetal strong point of making a concerted effort.
As preferably, described cutter sweep position is provided with pipe discharging device, and solidification equipment, cutter sweep, pipe discharging device production line position are equipped with the support means run along production line, and support means is connected with closing device.
The invention has the beneficial effects as follows: mechanical strength property and the PE hygienic environment-protecting characteristic of glass reinforced plastic pipe are effectively bonded together, obtain the technical indicator such as pressure, rigidity and meet glass reinforced plastic pipe national standard, and sanitary index meets the double technique effect of PE feedwater piping national standard, water engineering can be to reliably applied to；Pipeline forming process is uninterrupted continuously, and efficiency is high, and manufacturing cost is relatively low, stable technical process, and environmental sanitation situation is good, and product specification coverage is big, and pipe diameter is from 300mm～4000mm, and is easily adjusted.
Accompanying drawing explanation
Fig. 1 is a kind of pipeline body product structure schematic diagram of the present invention.
Fig. 2 be the present invention a kind of pipeline body between connection status structural representation.
Fig. 3 is that a kind of of the present invention is wound around machining state structural representation.
Fig. 4 is that a kind of production line of the present invention constitutes structural representation.
In figure: 1. pipeline body, 101. PE layers, enhancement layer in 102., 103. frp layers, 104. outer enhancement Layers; 105. external protections, 2. sleeve, 3. rubber ring, be 4. wound around main frame, 5. Wound Dies; 6. PE extruder, 7. feeding device, 8. solidification equipment, 9. cutter sweep.
Detailed description of the invention
Below by embodiment, and combine accompanying drawing, technical scheme is described in further detail.
The present embodiment one fiberglass PE multiple tube, as it is shown in figure 1, pipeline body 1 is formed by five layers, intermediate layer is frp layer 103, frp layer 103 inwall is first provided with one layer of interior enhancement layer 102 being made up of glass and resin, the inwall of interior enhancement layer is resin bed i.e. PE layer 101.Frp layer outer surface is from inside to outside sequentially provided with glass and the outer enhancement Layer 104 of resin composition, and outermost layer is the external protection 105 of resin material.
The PE layer i.e. PE in surface layer 101 in pipeline body outwards overturns along pipeline body two ends, and with external protection fit one section of flange length, as in figure 2 it is shown, this flange segment length just for pipe pipe dock time and sleeve 2 coordinate length；And it is provided with rubber ring 3 at the length section position that PE layer 101 coordinates with sleeve 2.
Its production line of continuous winding production technology composition of a kind of fiberglass PE multiple tube and correlation as shown in Figure 4, are made up of PE extruder 6, winding main frame 4, feeding device 7, solidification equipment 8, cutter sweep 9 and support means, pipe discharging device, closing device, control system and servicing unit.
Technical process is as follows: extruded material strip by PE extruder 6, it is transported to be wound around on the Wound Dies 5 of main frame 4, Wound Dies 5 is supporting with manufacture pipeline specifications, this programme specification coverage is at Φ 300～4000mm, as shown in Figure 3, while Wound Dies 5 rotates about the axis, its surface moves axially forward, PE extrusion material strip adheres on die surface and with mould spiral winding, form the interior PE layer 101 of pipeline, then pass through feeding device 7 glass and resin compound to be wound on PE internal layer, form the interior enhancement layer 102 of pipeline, feeding device is provided with multiple batcher, it is provided with single material glass, resin, mortar, curing agent mixture etc., and it is provided with fusing system.Then simple substance glass is wound on interior enhancement layer 102 formation frp layer 103, and then carries out mortar object and be wound outer enhancement layer 104, finally carry out curing agent and the external protection 105 that resin ratio is 10% is wound around.
The pipeline body 1 of shaping is forced through solidification equipment 8 by mould and shapes, carry out pipeline body two ends PE layer flange to closing device after cleaved device 9 to be coated with, cutter sweep position is provided with pipeline body 1 Support bracket, Support bracket is provided with the centripetal strong point of making a concerted effort, and it is provided with pipe discharging device, it addition, solidification equipment 8, cutter sweep, pipe discharging device production line position are equipped with the support means run along production line, support means is connected with closing device.Specifically, flange is coated with following steps:
1. utilize special purpose lathe by smooth for the fiberglass turning of pipe ends, and expose PE layer.
2. pair PE layer exposed heats, and is allowed to soften.
3. with enlarging circle, the PE layer of softening supportted port that is big and that be pressed onto pipeline.Note, notes speed of wrap when interior PE layer 101 closes up, it is ensured that have the enough thickness of tool to be stretched drawing to pipe end at closing in.
4. it is wound into pipe end outer wall by extruder extrusion PE material strip, forms flange width dimensions, and by integral for PE layer hot melting cohesion on the PE outer layer of flange and end face.
For the connection between body and body, when flanging seal is carried out on closing device, utilize the preheater in closing device, carry out the fitting recess compacting of rubber ring 3 in outer tube diameter flange section.
PE inner liner is combined to glass reinforced plastic pipe inwall by this programme online, and pipeline forming process is uninterrupted continuously, and process stabilization, range of product size easily adjusts.
Above-described embodiment is the description of the invention, is not limitation of the invention, and structure, technique after any simple transformation to the present invention belong to protection scope of the present invention.
Claims (6)
1. a fiberglass PE multiple tube, its pipeline body includes frp layer (103), it is characterized in that being provided with interior enhancement layer (102) at described frp layer inwall, and interior enhancement layer inwall is provided with PE layer (101)；Frp layer outer surface is from inside to outside sequentially provided with outer enhancement Layer (104), external protection (105)；Described PE layer table in pipeline body outwards overturns along pipeline body two ends, and with external protection fit one section of flange length；PE layer (11) sleeve (2) length required when being connected with two branch pipe(tube) bodies (1) of the length fitted with external protection (105) of turning up is suitable, and the length section position that PE layer coordinates with sleeve (2) is provided with rubber ring (3).
2. the continuous winding production technology of a fiberglass PE multiple tube as claimed in claim 1, it is characterized in that: extruded material strip by PE extruder (6), it is transported to be wound around on the Wound Dies (5) of main frame (4), while Wound Dies rotates about the axis, its surface moves axially forward, PE material strip adheres on die surface and with mould spiral winding, forms the interior PE layer of pipeline；It is wound on PE internal layer by feeding device (7) conveying material, then sequentially forms the interior enhancement layer (102) of pipeline, frp layer (103), outer enhancement layer (104) and external protection (105)；The pipeline body (1) of shaping is forced through solidification equipment (8) sizing by mould, carries out pipeline body two ends PE layer flanging seal to closing device and be coated with after cleaved device (9)；Flanging seal is carried out on closing device, is provided with preheater, and is provided with radially rubber ring pressing mold in closing device.
The continuous winding production technology of a kind of fiberglass PE multiple tube the most according to claim 2, it is characterised in that be provided with glass, resin, mortar, curing agent in described feeding device, and be provided with fusing system.
4. according to the continuous winding production technology of a kind of fiberglass PE multiple tube described in Claims 2 or 3, it is characterised in that the frp layer of pipe ends is first removed one section with lathe by described flanging seal, exposes PE layer；Then to the PE layer heating exposed, it is allowed to soften；With enlarging circle, the PE layer of softening supportted port that is big and that be pressed onto pipeline again；Finally be wound into pipe end outer wall by PE extruder (6) extrusion PE material strip, formed flange cladding width PE layer and and end face on PE layer hot melting cohesion get up.
5. according to the continuous winding production technology of a kind of fiberglass PE multiple tube described in Claims 2 or 3, it is provided with cutter sweep (9) after it is characterized in that described solidification equipment (8), cutter sweep position is provided with pipeline body (1) Support bracket, and described Support bracket has the centripetal strong point of making a concerted effort.
The continuous winding production technology of a kind of fiberglass PE multiple tube the most according to claim 5, it is characterized in that described cutter sweep (9) position is provided with pipe discharging device, solidification equipment (8), cutter sweep, pipe discharging device production line position are equipped with the support means run along production line, and support means is connected with closing device.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410631571.5A CN104455790B (en) | 2014-11-12 | 2014-11-12 | Fiberglass PE multiple tube and continuous winding production technology |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410631571.5A CN104455790B (en) | 2014-11-12 | 2014-11-12 | Fiberglass PE multiple tube and continuous winding production technology |
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| CN104455790A CN104455790A (en) | 2015-03-25 |
| CN104455790B true CN104455790B (en) | 2016-09-07 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106827576A (en) * | 2016-08-08 | 2017-06-13 | 山东极威新材料科技有限公司 | A kind of continuous fiber reinforced thermoplastic multiple tube and its forming method |
| CN109228404A (en) * | 2018-08-13 | 2019-01-18 | 北京航空航天大学 | A kind of various dimensions increasing material manufacturing method for continuous fiber reinforced composite materials shaping structures |
| CN115609897B (en) * | 2022-12-14 | 2023-04-07 | 河北省多基复合材料产业技术研究院有限公司 | Composite winding glass steel pipe and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US3020068A (en) * | 1959-02-18 | 1962-02-06 | Victaulic Co Of America | Coupling of lined pipe and methods |
| GB1251205A (en) * | 1968-04-02 | 1971-10-27 | ||
| CN2408339Y (en) * | 2000-01-20 | 2000-11-29 | 冷兴武 | Fibre winding glass fibre reinforced plastic sand sandwiched fabric pipe |
| CN203453667U (en) * | 2013-07-10 | 2014-02-26 | 周忠明 | A pipe fitting locking connector |
| CN103672214B (en) * | 2013-12-17 | 2015-12-09 | 浙江双林机电科技有限公司 | A kind of glass fibre reinforced plastics plastics lined pipe and production method thereof |
| CN204284687U (en) * | 2014-11-12 | 2015-04-22 | 浙江双林塑料机械有限公司 | A kind of glass fibre reinforced plastics PE composite pipe |
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Address after: Hangzhou City, Zhejiang province 311100 Linping Yuhang Economic Development Zone No. 111 Tian He Lu Patentee after: Zhejiang two woods machinery limited company Address before: Hangzhou City, Zhejiang province 311100 Linping Yuhang Economic Development Zone No. 111 Tian He Lu Patentee before: Zhejiang Shuanglin Plastic Machinery Co., Ltd. |