CN106493965B - A kind of device and method of continuously elongated enhancing composite plastic pipe - Google Patents
A kind of device and method of continuously elongated enhancing composite plastic pipe Download PDFInfo
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- CN106493965B CN106493965B CN201610920150.3A CN201610920150A CN106493965B CN 106493965 B CN106493965 B CN 106493965B CN 201610920150 A CN201610920150 A CN 201610920150A CN 106493965 B CN106493965 B CN 106493965B
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- machine head
- mouth mold
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- composite machine
- enhancement layer
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Classifications
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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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/025—General arrangement or layout of plant
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/001—Combinations of extrusion moulding with other shaping operations
- B29C48/0018—Combinations of extrusion moulding with other shaping operations combined with shaping by orienting, stretching or shrinking, e.g. film blowing
-
- 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
- B29L2023/22—Tubes or pipes, i.e. rigid
Abstract
The invention discloses a kind of device and methods of continuously elongated enhancing composite plastic pipe, belong to processing of high molecular material forming field.Device is made of limit pull rod, flange in the bottom, sealing ring, heating device, side head, handpiece body, mouth mold pressing plate, mouth mold, movement core model, ventilation mandrel, ventilating shaft, preliminary sizing air bag, preliminary diameter-setting equipment, draft gear, extension fixture, expanded balloon, secondary diameter-setting equipment, secondary sizing air bag, composite machine head flange, composite machine head core model, composite machine head handpiece body, composite machine head mouth mold, limiting device；The method of the present invention synthesis stretches orientation and composite pipe prepares high-performance and enhances tubing, and reinforcement material carries out controllable bidirectional stretching using air bag, and enhancement layer production process is carried out continuously with compound ectonexine process, and compared to secondary reprocessing, energy consumption is small, at low cost.Reinforcement material is of the same race or same polarity plastics with inside and outside composite material, and interfacial combined function is good, and tubing stability improves, and service life is long.
Description
Technical field
The present invention relates to a kind of manufacturing devices and method of reinforced plastics tubing, belong to processing of high molecular material into V-neck V
Domain.
Background technology
With greatly developing for Plastics Industry, plastic pipe by its light weight, it is corrosion-resistant, service life is long the advantages that it is wide
It is general to be applied to the multiple fields such as petrochemical industry, agricultural irrigation, urban construction, power cable, but with traditional concrete plug
Compared with metal pipe material, plastic pipe there are still mechanical strengths it is low, creep resistant is poor, poor dimensional stability the defects of, these lack
Fall into the popularization and application for greatly limiting plastic pipe.The method for improving pipe performance at present is concentrated mainly on following four side
Face：Increase wall thickness, improve formula and molecular structure, double-wall corrugated pipe or the radial reinforcement structure of addition, various composite pipes, and
Wherein apply more extensive with composite pipe and improvement molecular structure again.
Composite pipe is mainly compound etc. including plastic-aluminum combined, steel plastic compount and plastic-coated, these composite pipes not only have gold
Belong to high intensity and the impact resistance of tubing, and has corrosion-resistant, the less scaling advantage of plastic pipe.Patent
CN2011202666790.X discloses a kind of mold of co-extruding plastic composite pipe, passes through the more change of current on the basis of existing mold
The components such as road cone realize that metal framework plastic composite pipe is manufactured.Patent CN201520828866.1 discloses a kind of continuous
Fiber cloth or the multi-layer co-extruded mold of fiber cloth set, are made using compound die head, compound external mold and core model, mouth mold and die head pressing plate
It obtains fibrous layer and is uniformly coated the fibre for forming multilayer by the resin from major ingredient runner and auxiliary material runner when by mouth mold port
Tie up composite pipe.Composite pipe combines the performance of multiple material, but there are still interfacial adhesions poor, complex process,
The defects of cost is higher.
The research direction that there is the tubing of enhancing performance to be also popular is obtained by stretching orientation change molecular structure.Through
The polymer of overstretching can make its mechanical performance, barrier property, optical property have different degrees of raising.Patent
ZL97107852.1 discloses a kind of preparation method and device of self-reinforced plastic pipe, on the basis of common extrusion molding apparatus
On, shear action is generated by the relative rotation of plug and mouth mold so that plastic melt macromolecular chain is radial oriented along managing, and obtains
The pure plastics self-reinforcing tubing that radial strength greatly improves.
Invention content
The purpose of the present invention is to provide a kind of device and method of continuously elongated enhancing composite plastic pipe, this method is comprehensive
Closing stretching orientation and composite pipe two ways preparation high-performance enhances tubing, pair of the reinforcement material using air bag progress controllably
To stretching；Compound layer materials are otherwise identical plastic or identical polar plastics with reinforcement material, overcome metallo-plastic multiple
Close tubing interfacial instability, easily peelable disadvantage；Using continuous production, production enhancement layer process is with compound ectonexine process
It is carried out continuously, the disadvantage for overcoming the multiple power consumption of polymer processing of composite pipe big, of high cost.
The present invention provides following technical scheme to realize the above target：A kind of continuously elongated enhancing composite plastic pipe
Device and method, mainly by limit pull rod, flange in the bottom, sealing ring, heating device, side head, handpiece body, mouth mold pressure
Plate, mouth mold, movement core model, ventilation mandrel, ventilating shaft, preliminary sizing air bag, preliminary diameter-setting equipment, draft gear, extension fixture,
Expanded balloon, secondary diameter-setting equipment, secondary sizing air bag, composite machine head flange, composite machine head core model, composite machine head handpiece body,
Composite machine head mouth mold, limiting device composition；Wherein limit pull rod, flange in the bottom, sealing ring, heating device, side head, head
Body, mouth mold pressing plate, mouth mold, movement core model, ventilation mandrel composition grid type enhancement layer manufacture part, flange in the bottom, handpiece body, mouth
Mould, mouth mold pressing plate are threadedly coupled successively from left to right, and side head is mounted on above handpiece body, and movement core model is located at bottom method
Orchid, handpiece body, inside mouth mold, puncture core axle position moves inside movement core model and is equipped with sealing between mandrel and flange in the bottom
Circle prevents material leakage；Grid type enhancement layer manufactures in part, mouth mold have it is unique it is multiple be mutually not attached to indent aperture, and with movement
Mandrel cooperation installation, melt flow into movement mandrel with after handpiece body by side head, are mutually not attached to by mouth mold keyhole formation
Grid warp, movement mandrel right end has circumferential one to enclose little groove, and with the end face outside along it is round and smooth tangent, circumferential recess joins
Lead to each warp melt, cross to form the grid weft of connection warp, when move mandrel move right to flange in the bottom close to when,
Movement mandrel right end circumferential recess be located at outside mouth mold, mouth mold inner melt only forms warp, when move mandrel move downward to
Pull rod limits maximum, and movement mandrel right end circumferential recess is located inside head, and mouth mold inner melt goes back shape in addition to forming warp
Circumferentially weft, the bilateral reciprocation by moving mandrel form continuous grid type enhancement layer；Ventilating shaft, preliminary sizing gas
Capsule, preliminary diameter-setting equipment, draft gear, extension fixture, expanded balloon, secondary diameter-setting equipment, secondary sizing air bag form grid
Mandrel is concentric installs with ventilation for type enhancement layer biaxial tension part, wherein ventilating shaft, preliminary sizing air bag, expanded balloon, secondary
Sizing air bag is sequentially arranged on ventilating shaft, and ventilating shaft completes diminution and the inflation of air bag by controlling aperture ventilatory capacity, tentatively
Sizing air bag realizes that the preliminary sizing of grid type enhancement layer, expanded balloon are realized with extension fixture cooperation with the cooperation of preliminary diameter-setting equipment
The secondary sizing of enhancement layer is realized in the axial direction and circumferential tension of grid type enhancement layer, secondary diameter-setting equipment, the cooperation of secondary sizing air bag；
Composite machine head flange, composite machine head core model, composite machine head handpiece body, composite machine head mouth mold, limiting device composition composite pipe at
Type part, composite machine head flange, composite machine head handpiece body, composite machine head mouth mold are threadedly coupled successively, composite machine head core model position
It inside composite machine head handpiece body, is mounted on ventilating shaft by left and right limiting device, the axial fortune of limitation composite machine head core model
It is dynamic；In composite pipe shaping part, grid type enhancement layer completely by composite machine head mouth mold after, melt flow into composite machine head core
Runner between mould, composite machine head handpiece body, since enhancement layer is the fenestral fabric with hole, melt is coated through grid protocol
The ectonexine of enhancement layer is extruded into through composite machine head mouth mold and composite machine head core model and stretches reinforced composite pipe material.
A kind of device and method of continuously elongated enhancing composite plastic pipe of the present invention, mouth mold indent aperture and mandrel
Circumferential recess number and size can require to change according to required enhancement layer.
A kind of device and method of continuously elongated enhancing composite plastic pipe of the present invention, composite machine head handpiece body is interior to be filled
Melt can be same material or the identical material of polarity with enhancement layer, when composite pipe outer layer and composite pipe enhancement layer
For same material when, after composite molding stepwise heating, one side biaxial tension enhancement layer fusing point increase, another party
Face heating time is shorter, and enhancement layer internal structure is not enough to change completely, and humidification remains to preserve.
Beneficial effects of the present invention are as follows：
(1) a kind of device and method of continuously elongated enhancing composite plastic pipe of the present invention, will stretch enhancing and composite wood
Expect that reinforced phase combines, further increase the mechanical property of plastic pipe, have wide range of applications,
(2) a kind of device and method of continuously elongated enhancing composite plastic pipe of the present invention, realizes reinforcement type composite pipe material
Continuous production, enhancement layer production process and compound ectonexine process are to be carried out continuously, compared to secondary reprocessing, energy consumption
It is small, at low cost.
(3) present invention it is a kind of it is continuously elongated enhancing composite plastic pipe device and method, reinforcement material with it is inside and outside multiple
Conjunction layer material is of the same race or same polarity plastics, and interfacial combined function is good, and tubing stability improves, and service life is long.
(4) it illustrates
Fig. 1 is a kind of device and method device diagrammatic cross-section of continuously elongated enhancing composite plastic pipe of the present invention.
Fig. 2 be the present invention it is a kind of it is continuously elongated enhancing composite plastic pipe device and method movement mandrel move to it is most left
Hold schematic diagram.
Fig. 3 be the present invention it is a kind of it is continuously elongated enhancing composite plastic pipe device and method movement mandrel move to it is most right
Hold schematic diagram.
Fig. 4 is a kind of device and method A-A sectional schematic diagrams of continuously elongated enhancing composite plastic pipe of the present invention.
Fig. 5 is a kind of each layer of device and method reinforcement type composite pipe material of continuously elongated enhancing composite plastic pipe of the present invention
Structural schematic diagram.
1- limit pull rods, 2- flange in the bottom, 3- sealing rings, 4- heating devices, 5- sides head, 6- handpiece bodies, 7- mouth molds
Pressing plate, 8- mouth molds, 9- movement core model, 10- ventilation mandrel, 11- ventilating shafts, the preliminary sizing air bags of 12-, the preliminary diameter-setting equipments of 13-,
Bis- 14- draft gears, 15- extension fixtures, 16- expanded balloons, bis- diameter-setting equipments of 17-, 18- sizing air bags, 19-- are compound
Head flange, 20- composite machine heads core model, 21- composite machine heads handpiece body, 22- composite machine heads mouth mold, 23- limiting devices, 24- increase
Strong type composite pipe internal layer, 25- reinforcement type composite pipe materials enhancement layer, 26- reinforcement type composite pipe material outer layers.
Specific implementation mode
A kind of device and method of continuously elongated enhancing composite plastic pipe of the present invention, as shown in Figure 1, mainly being drawn by limit
Bar 1, flange in the bottom 2, sealing ring 3, heating device 4, side head 5, handpiece body 6, mouth mold pressing plate 7, mouth mold 8, movement core model 9,
Ventilation mandrel 10, ventilating shaft 11, preliminary sizing air bag 12, preliminary diameter-setting equipment 13, draft gear 14, extension fixture 15, expansion
Air bag 16, secondary diameter-setting equipment 17, secondary sizing air bag 18, composite machine head flange 19, composite machine head core model 20, composite machine head machine
Head body 21, composite machine head mouth mold 22, limiting device 23 form；Wherein limit pull rod 1, flange in the bottom 2, sealing ring 3, heating device
4, side head 5, handpiece body 6, mouth mold pressing plate 7, mouth mold 8, movement core model 9, ventilation mandrel 10 form the manufacture of grid type enhancement layer
Part, flange in the bottom 2, handpiece body 6, mouth mold 8, mouth mold pressing plate 7 are threadedly coupled successively from left to right, and side head 5 is mounted on
The top of handpiece body 6, movement core model 9 are located at flange in the bottom 2, handpiece body 6, inside mouth mold 8, and ventilation mandrel 10, which is located at, moves core model 9
Inside, being equipped with sealing ring 3 between movement mandrel 9 and flange in the bottom 2 prevents material leakage；As shown in figure 4, grid type enhancement layer manufactures
In part, mouth mold 8 have it is unique it is multiple be mutually not attached to indent aperture, and installed with the movement cooperation of mandrel 9, melt passes through side
After head 5 flows into movement mandrel 9 and handpiece body 6, by the mutual disjunct grid warp of 8 keyhole formation of mouth mold, movement mandrel 9 is most
Right end has circumferential one to enclose little groove, and with it is round and smooth tangent along the line the end face outside, each warp melt of circumferential recess unicom crosses to be formed
The grid weft of connection warp, as shown in figure 3, when move mandrel 9 move right to flange in the bottom 2 close to when, move mandrel 9
Right end circumferential recess is located at outside mouth mold 8, and 8 inner melt of mouth mold only forms warp, as shown in Fig. 2, when movement mandrel 9 is transported to the left
It moves to 1 maximum of limit pull rod, movement 9 right end circumferential recess of mandrel is located inside mouth mold 8, and 8 inner melt of mouth mold removes and forms warp
Outside line, circumferential weft is also formed, the bilateral reciprocation by moving mandrel 9 forms continuous grid type enhancement layer；Ventilating shaft
11, preliminary sizing air bag 12, preliminary diameter-setting equipment 13, draft gear 14, extension fixture 15, expanded balloon 16, secondary sizing dress
17, secondary sizing air bag 18 composition grid type enhancement layer biaxial tension part is set, wherein ventilating shaft 11 and ventilation mandrel 10 is concentric
Installation, preliminary sizing air bag 12, expanded balloon 16, secondary sizing air bag 18 are sequentially arranged on ventilating shaft 11, and ventilating shaft 11 is logical
Diminution and inflation that control aperture ventilatory capacity completes air bag are crossed, preliminary sizing air bag 12 realizes net with the cooperation of preliminary diameter-setting equipment 13
The preliminary sizing of lattice enhancement layer, expanded balloon 16 realize the axial direction and circumferential direction of grid type enhancement layer with the cooperation of 15 inner wall of extension fixture
It stretches, the secondary sizing of enhancement layer is realized in secondary diameter-setting equipment 17, the cooperation of secondary sizing air bag 18；It is composite machine head flange 19, compound
Head core model 20, composite machine head handpiece body 21, composite machine head mouth mold 22, limiting device 23 form composite pipe shaping part, multiple
It closes head flange 19, composite machine head handpiece body 21, composite machine head mouth mold 22 to be threadedly coupled successively, composite machine head core model 20 is located at
Inside composite machine head handpiece body 21, it is mounted on ventilating shaft 11 by left and right limiting device 23, limitation composite machine head core model 20
It is axially moved；In composite pipe shaping part, grid type enhancement layer completely by composite machine head mouth mold 22 after, melt flow into it is compound
21 head core model 20, composite machine head handpiece body runners, since enhancement layer is the fenestral fabric with hole, melt penetrates net
Trellis at cladding enhancement layer ectonexine, through composite machine head mouth mold 22 and composite machine head core model 20 be extruded into stretching enhance it is compound
Tubing.
A kind of device and method of continuously elongated enhancing composite plastic pipe of the present invention, 8 indent aperture of mouth mold and fortune
9 circumferential recess number of moving mandrel and size can require to change according to required enhancement layer.
A kind of device and method of continuously elongated enhancing composite plastic pipe of the present invention, institute in composite machine head handpiece body 21
It can be same material or the identical material of polarity with enhancement layer 25 to fill melt, when composite pipe outer layer 26 and composite pipe
When enhancement layer 25 is same material, the fusing point of enhancement layer 25 after composite molding stepwise heating, one side biaxial tension
It increases, another aspect heating time is shorter, and 25 internal structure of enhancement layer is not enough to change completely, and humidification remains to protect
It deposits.
Claims (3)
1. a kind of device of continuously elongated enhancing composite plastic pipe, it is characterised in that：By limit pull rod, flange in the bottom, sealing
Circle, heating device, side head, handpiece body, mouth mold pressing plate, mouth mold, movement core model, ventilation mandrel, ventilating shaft, preliminary sizing gas
Capsule, preliminary diameter-setting equipment, draft gear, extension fixture, expanded balloon, secondary diameter-setting equipment, secondary sizing air bag, composite machine head
Flange, composite machine head core model, composite machine head handpiece body, composite machine head mouth mold and limiting device composition；Wherein limit pull rod, bottom
Portion's flange, sealing ring, heating device, side head, handpiece body, mouth mold pressing plate, mouth mold, movement core model, ventilation mandrel form net
Lattice enhancement layer manufactures part, and flange in the bottom, handpiece body, mouth mold, mouth mold pressing plate are threadedly coupled successively from left to right, side machine
Head is mounted on above handpiece body, and movement core model is located at flange in the bottom, handpiece body, inside mouth mold, and puncture core axle position is in moving core model
Inside, being equipped with sealing ring between movement mandrel and flange in the bottom prevents material leakage；Grid type enhancement layer manufactures in part, mouth mold tool
Have it is multiple be mutually not attached to indent aperture, and installed with movement mandrel cooperation, movement mandrel right end has circumferential one to enclose little groove,
And with outside end face along it is round and smooth tangent, each warp melt of circumferential recess unicom crosses to form the grid weft of connection warp, pass through
The bilateral reciprocation of movement mandrel forms continuous grid type enhancement layer；Ventilating shaft, preliminary sizing air bag, preliminary sizing dress
Set, draft gear, extension fixture, expanded balloon, secondary diameter-setting equipment, secondary sizing air bag composition the two-way drawing of grid type enhancement layer
Extending portion point, wherein ventilating shaft with ventilate that mandrel is concentric to be installed, preliminary sizing air bag, expanded balloon, secondary sizing air bag are pacified successively
On ventilating shaft, the secondary sizing of enhancement layer is realized in secondary diameter-setting equipment, the cooperation of secondary sizing air bag；Composite machine head flange is answered
Close head core model, composite machine head handpiece body, composite machine head mouth mold, limiting device composition composite pipe shaping part, composite machine head
Flange, composite machine head handpiece body, composite machine head mouth mold are threadedly coupled successively, and composite machine head core model is located at composite machine head handpiece body
Inside is mounted on by left and right limiting device on ventilating shaft, and the axial movement of composite machine head core model is limited；Composite pipe shaping portion
In point, grid type enhancement layer completely by composite machine head mouth mold after, melt flows between composite machine head core model, composite machine head handpiece body
Runner.
2. a kind of method of continuously elongated enhancing composite plastic pipe, it is characterised in that：Melt is flowed by side head and is moved
Mandrel is with after handpiece body, and by mouth mold keyhole formation, mutually disjunct grid warp, movement mandrel right end have circumferential one to enclose
Little groove, and with outside end face along it is round and smooth tangent, each warp melt of circumferential recess unicom crosses to form the grid latitude of connection warp
Line, when move mandrel move right to flange in the bottom close to when, movement mandrel right end circumferential recess be located at outside mouth mold, mouth mold
Inner melt only forms warp, and maximum, movement mandrel right end circumferential recess position are limited when movement mandrel is moved downward to pull rod
Inside head, mouth mold inner melt also forms circumferential weft in addition to forming warp, by the bilateral reciprocation for moving mandrel
Form continuous grid type enhancement layer；Ventilating shaft completes diminution and the inflation of air bag, preliminary sizing by controlling aperture ventilatory capacity
Air bag realizes that the preliminary sizing of grid type enhancement layer, expanded balloon realize grid with extension fixture cooperation with the cooperation of preliminary diameter-setting equipment
The secondary sizing of enhancement layer is realized in the axial direction and circumferential tension of type enhancement layer, secondary diameter-setting equipment, the cooperation of secondary sizing air bag；It is compound
In tube forming part, grid type enhancement layer completely by composite machine head mouth mold after, melt flows into composite machine head core model, compounding machine
Runner between head handpiece body, since enhancement layer is the fenestral fabric with hole, melt is through grid protocol cladding enhancement layer
Ectonexine is extruded into through composite machine head mouth mold and composite machine head core model and stretches reinforced composite pipe material.
3. a kind of method of continuously elongated enhancing composite plastic pipe according to claim 2, it is characterised in that：Described
Filled melt can be same material or the identical material of polarity with enhancement layer in composite machine head handpiece body.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610920150.3A CN106493965B (en) | 2016-10-21 | 2016-10-21 | A kind of device and method of continuously elongated enhancing composite plastic pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610920150.3A CN106493965B (en) | 2016-10-21 | 2016-10-21 | A kind of device and method of continuously elongated enhancing composite plastic pipe |
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| CN106493965A CN106493965A (en) | 2017-03-15 |
| CN106493965B true CN106493965B (en) | 2018-08-03 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107825693A (en) * | 2017-11-29 | 2018-03-23 | 王小刚 | A kind of plastic tube mouth of pipe extension fixture and application method |
| CN108177330B (en) * | 2017-12-19 | 2019-11-26 | 山东柏远复合材料科技有限公司 | A kind of differential method tubing radial drawing device and method |
| CN114571698A (en) * | 2022-03-24 | 2022-06-03 | 安徽源锂高新材料有限公司 | Production process of double-resistance double-wall corrugated pipe |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5225016A (en) * | 1991-08-02 | 1993-07-06 | Rohr Industries, Inc. | Method of manufacturing an advanced composite duct having integral ribs |
| CN1073922C (en) * | 1997-12-31 | 2001-10-31 | 四川联合大学 | Prepn. method and appts. for self-strengthening plastic pipe material |
| CN202241886U (en) * | 2011-07-22 | 2012-05-30 | 张建群 | Double-layer composite plastic grid forming machine head |
| CN104149354B (en) * | 2014-07-28 | 2016-06-01 | 北京化工大学 | The production equipment and process of a kind of heavy caliber two-way stretch PVC |
| CN105082550B (en) * | 2015-08-12 | 2017-10-20 | 华南理工大学 | Multiple tube/film and forming method and device with diamond check skeleton intermediate layer |
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