CN110043719A - Steel plastic compount antiknock pipe and moulding process - Google Patents
Steel plastic compount antiknock pipe and moulding process Download PDFInfo
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- CN110043719A CN110043719A CN201910421463.8A CN201910421463A CN110043719A CN 110043719 A CN110043719 A CN 110043719A CN 201910421463 A CN201910421463 A CN 201910421463A CN 110043719 A CN110043719 A CN 110043719A
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 161
- 239000010959 steel Substances 0.000 title claims abstract description 161
- 238000000465 moulding Methods 0.000 title claims abstract description 31
- 239000004033 plastic Substances 0.000 title claims abstract description 29
- 229920003023 plastic Polymers 0.000 title claims abstract description 29
- 238000000034 method Methods 0.000 title claims abstract description 21
- 230000008569 process Effects 0.000 title claims abstract description 20
- 150000001875 compounds Chemical class 0.000 claims abstract description 21
- 239000011248 coating agent Substances 0.000 claims description 7
- 238000000576 coating method Methods 0.000 claims description 7
- 230000003446 memory effect Effects 0.000 claims description 7
- 239000004698 Polyethylene Substances 0.000 claims description 6
- 229920000573 polyethylene Polymers 0.000 claims description 6
- -1 polyethylene Polymers 0.000 claims description 5
- 229920000297 Rayon Polymers 0.000 claims description 4
- 239000003292 glue Substances 0.000 claims description 4
- 238000011084 recovery Methods 0.000 claims description 4
- 238000004026 adhesive bonding Methods 0.000 claims description 3
- 238000004513 sizing Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 18
- 239000002131 composite material Substances 0.000 description 7
- 239000000126 substance Substances 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000002633 protecting effect Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 241000919496 Erysimum Species 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 239000006223 plastic coating Substances 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000012163 sequencing technique Methods 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
Classifications
-
- 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
- B29C63/00—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor
- B29C63/38—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor by liberation of internal stresses
- B29C63/42—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor by liberation of internal stresses using tubular layers or sheathings
-
- 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
- B29C63/00—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor
- B29C63/38—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor by liberation of internal stresses
- B29C63/46—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor by liberation of internal stresses of internal surfaces
-
- 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
- F16L9/14—Compound tubes, i.e. made of materials not wholly covered by any one of the preceding groups
- F16L9/147—Compound tubes, i.e. made of materials not wholly covered by any one of the preceding groups comprising only layers of metal and plastics with or without reinforcement
-
- 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
- B29L2009/00—Layered products
- B29L2009/003—Layered products comprising a metal layer
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
Abstract
The present invention relates to a kind of steel plastic compount antiknock pipe and moulding process, antiknock pipe is double-layer structure, outer layer is steel pipe, internal layer is modeling pipe, the outer diameter for moulding pipe is greater than the internal diameter of steel pipe, and it is across steel pipe and compound in such a way that modeling pipe itself is remembered and uses interference multiple diameter and steel pipe through machine for shrinking draw rear haulage to mould pipe.Modeling pipe has enough wall thickness; therefore do not allow easily rupturable; it is able to maintain integrity and protects steel pipe inner wall; steel pipe is avoided to be corroded; it is compound by the way of interference between steel pipe and modeling pipe; it can offset between steel modeling that there are shrinking percentages is poor, avoid generating between steel pipe and modeling pipe and separate, to extend the service life of feed pipe.
Description
Technical field
The present invention relates to a kind of water pipe, especially a kind of steel plastic compount antiknock pipe and moulding process.
Background technique
Water is the basis of Source of life and human civilization survival and development, therefore water engineering is one of urban construction important
Project.
Water engineering will use a large amount of feed pipe, and the type of feed pipe is relatively more, there is metal tube, have plastic tube, also
Multiple tube, but existing feed pipe all respectively has deficiency.Metal tube rigidity with higher can bear biggish pressure, still
Metal tube is easy to be corroded, if carrying out corrosion-resistance treatment, and is easy to produce harmful substance, influences water supply safety.Existing modeling
Expects pipe mostly uses safe and non-toxic material to be made, and can guarantee water supply safety, but the rigidity of plastic tube is not high, and feed pipe has higher
Hydraulic pressure, therefore the capability of antidetonance of plastic tube is lower, the phenomenon that explosion is easy to appear in water supply process.Multiple tube is mostly steel modeling
Multiple tube, although there is the higher capability of antidetonance, steel-plastics composite pipe is mostly to add plastic coating, coating and steel in steel pipe inner wall
Cohesive force between inside pipe wall is smaller, is easy to appear and falls off, and the thickness of coating is small, and there are biggish shrinking percentages between steel modeling, applies
Layer is easily broken, and can corrode steel pipe inner wall after rupture.
Summary of the invention
The present invention provides a kind of steel plastic compount antiknock pipe, and outside is steel pipe, and inside is modeling pipe, and modeling pipe has enough walls
Thickness, therefore do not allow easily rupturable, it is able to maintain integrity and protects steel pipe inner wall, steel pipe is avoided to be corroded, adopted between steel pipe and modeling pipe
It is compound with the mode of interference, it can offset between steel modeling that there are shrinking percentages is poor, avoid generating between steel pipe and modeling pipe and separate, thus
Extend the service life of feed pipe.
The present invention provides a kind of moulding process of steel plastic compount antiknock pipe, carries out undergauge at shape pipe by machine for shrinking,
Passed through out of steel pipe after undergauge by traction machine travel, then by modeling manage itself memory effect answer diameter and with steel pipe it is compound.
The specific technical proposal of the invention is: a kind of steel plastic compount antiknock pipe, antiknock pipe is double-layer structure, and outer layer is steel
Pipe, internal layer are modeling pipe, and the outer diameter for moulding pipe is greater than the internal diameter of steel pipe, and modeling pipe passes through steel pipe through machine for shrinking draw rear haulage and passes through modeling
It manages compound by the way of interference between the multiple diameter of itself memory and steel pipe.
The inside composite plastic pipe of steel pipe, the wall thickness for moulding pipe are greater than the thickness of coating, and such steel pipe inner wall is by modeling protection of pipe, no
Water flow can be directly contacted, so that steel pipe inner wall be avoided to be corroded, while steel pipe can be surface-treated, it is this to handle also not
It will lead to harmful substance to enter inside water supply, it is ensured that water supply safety, internal layer are modeling pipe, and corrosion resistance with higher is managed in modeling,
As being not easy to be corroded in itself after internal layer, so that the service life of antiknock pipe extends；Outer layer is steel pipe, and steel pipe materials are convenient,
Rigidity is high, improves the water supply capability of antidetonance, and steel pipe also facilitates water supply to connect as outer layer；Modeling pipe has certain wall thickness,
So that modeling pipe has certain expansibility and contractibility, will not rupture easily, the protecting effect for moulding pipe can extend；The outer diameter for moulding pipe is big
In the internal diameter of steel pipe, modeling pipe carries out the draw by machine for shrinking, is drawn across steel pipe, then the note by moulding pipe by dragger after the draw
Recall effect and answer diameter, when modeling pipe is compound with steel pipe in this way, without being heated to steel pipe, it is possible to reduce heat and expand to steel pipe
Accurate control, the internal diameter of steel pipe is constant, by mould pipe undergauge and multiple diameter, thus formed steel pipe and modeling pipe between a kind of interference
Mode it is compound, this interference can offset existing shrinking percentage fork between steel modeling, can generate to avoid between steel pipe and modeling pipe
Separation, to extend the service life of antiknock pipe.
Preferably, the modeling pipe uses polyethylene pipe, the minimum 2.5mm of wall thickness of pipe is moulded；The steel pipe is plating
Zinc steel pipe；Steel pipe inner wall has one layer of viscose glue.Polyethylene pipe makes full use of the good characteristic of polyethylene, moulds pipe as modeling pipe
The minimum 2.5mm of wall thickness, mainly in view of polyethylene pipe is as feed pipe, if meeting feed pipe standard requirements, safety
Property is higher.The corrosion resistance of antiknock pipe can be improved as steel pipe in coating steel pipe, while harmful substance can also be completely cut off by modeling pipe,
It will not enter inside water supply；The composite force between pipe is improved and moulded after steel pipe inner wall gluing, and viscose glue is in steel pipe inner wall, Bu Huisui
It moulds pipe undergauge and multiple diameter and stretches.
Preferably, the inner wall of the steel pipe of outer layer is cone-shaped, the miner diameter end diameter of taper is less than the outer diameter of modeling pipe, taper
Bigger diameter end diameter be equal to modeling pipe outer diameter.Pipe is moulded after the draw and traction, is existed when answering diameter according to the memory effect of its own
Sequencing, steel pipe inner wall are cone-shaped, conform exactly to the sequence that multiple diameter is managed in modeling so that the inner wall of the outer wall of modeling pipe and steel pipe it
Between composite effect it is more preferable.
Preferably, the difference of the outer diameter of the internal diameter and modeling pipe of steel pipe is up to 1mm.Pipe diameter is less than the outer diameter of modeling pipe,
The compound of interference is formed between steel pipe and modeling pipe, but the magnitude of interference cannot be too big, otherwise be easy to cause the modeling pipe draw excessive, shadow
It rings modeling and manages multiple diameter, too small and can prevent steel pipe and mould composite force between pipe from meeting the requirements, steel pipe and modeling tube capacity easily exist
The phenomenon that separation.
Preferably, steel pipe inner wall is annular knurl inner surface, modeling pipe appearance with steel pipe inner wall annular knurl is mutually embedding is integrated.In steel pipe
Wall annular knurl after modeling pipe and steel pipe are compound, mould pipe appearance and internal surface of steel pipe annular knurl is mutually embedding so that the roughness of steel pipe internal-surface increases
It is integrated, improves the binding force and separating difficulty between modeling pipe and steel pipe.
Preferably, the both ends of antiknock pipe are provided with annular groove, table is provided with half slot in the end of steel pipe, moulds outside the end of pipe
Half slot is arranged in table, and two halves slot pairing is in annular groove.Annular groove is arranged in antiknock tube end, and sealing uses when facilitating docking, sliding slot by
Half slot of steel tube end part and half slot of modeling tube end involute, and the compound position between steel pipe and modeling pipe can be sealed up.
A kind of moulding process of steel plastic compount antiknock pipe includes the following steps: a, matching outer layer pipe and internal layer modeling pipe, outside
The internal diameter of layer steel pipe is less than the outer diameter of internal layer modeling pipe；
B, the draw is carried out to internal layer modeling pipe, the draw is drawn across steel pipe by dragger in the process；
C, multiple diameter, discharges tractive force, is managed itself memory effect recovery outer diameter by modeling and is complex as a whole with steel pipe.
Preferably, modeling pipe is drawn across before steel pipe, steel pipe inner wall carries out gluing.
Preferably, carrying out annular knurl processing to steel pipe inner wall before traction modeling pipe；Modeling pipe outer wall is carried out after moulding the pipe draw
Its softening is heated and makes, the side Bian Jiare is drawn across steel pipe.Steel pipe inner wall forms knurled surface by annular knurl, adds after moulding the pipe draw
Heat softens its outer surface, in this way modeling pipe and steel pipe it is compound after, the appearance of softening can be embedded in knurled surface, the depth of annular knurl compared with
Small, less than the magnitude of interference between steel pipe and modeling pipe, annular knurl enhances steel pipe and moulds the composite force between pipe, but it is multiple not influence modeling pipe
Diameter and compound with steel pipe.
Preferably, logical cold wind sizing in modeling pipe and the compound backward modeling pipe of steel pipe, finally fights booster end and is processed.
The beneficial effects of the present invention are: the inside composite plastic pipe of steel pipe, the wall thickness for moulding pipe is greater than the thickness of coating, such steel
Inside pipe wall will not directly contact water flow by modeling protection of pipe, so that steel pipe inner wall be avoided to be corroded, while can carry out table to steel pipe
Surface treatment, this processing will not cause harmful substance to enter inside water supply, it is ensured that water supply safety, internal layer are modeling pipe, modeling pipe
Corrosion resistance with higher, as being not easy to be corroded in itself after internal layer, so that the service life of antiknock pipe extends；Outer layer is
Steel pipe, steel pipe materials are convenient, and rigidity is high, improve the water supply capability of antidetonance, and steel pipe also facilitates water supply to connect as outer layer；Modeling pipe
It with certain wall thickness, but also modeling pipe has certain expansibility and contractibility, will not rupture easily, the protecting effect for moulding pipe can be with
Extend；The outer diameter for moulding pipe is greater than the internal diameter of steel pipe, and modeling pipe is drawn across steel by dragger after the draw by the machine for shrinking progress draw
It, can be with without being heated to steel pipe when pipe, then answer diameter by the memory effect of modeling pipe, in this way modeling are managed and steel pipe is compound
The accurate control to steel pipe heating expansion is reduced, the internal diameter of steel pipe is constant, by moulding the undergauge and multiple diameter of pipe, to form steel pipe
A kind of interference mode is compound between modeling pipe, and this interference can offset existing shrinking percentage fork between steel modeling, can be to avoid
It generates and separates between steel pipe and modeling pipe, to extend the service life of antiknock pipe.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the present invention；
Fig. 2 is a kind of interference schematic diagram of the present invention；
Fig. 3 is a kind of cross-sectional view of the present invention；
Fig. 4 is another structural schematic diagram of the invention；
Fig. 5 is a kind of moulding process of the present invention；
Fig. 6 is another moulding process of the invention；
In figure: 1, steel pipe, 2, modeling pipe, 3, annular groove, 4, taper, d, pipe diameter, D, modeling pipe outside diameter.
Specific embodiment
Below by specific embodiment, and in conjunction with attached drawing, the invention will be further described.
Implement 1:
As shown in Fig. 1 Fig. 2, a kind of steel plastic compount antiknock pipe, antiknock pipe is double-layer structure, and outer layer is steel pipe 1, and internal layer is modeling pipe 2,
The steel pipe is coating steel pipe, and the modeling pipe uses polyethylene pipe.It moulds pipe outside diameter D and is greater than pipe diameter d, mould the wall thickness of pipe
The difference of minimum 2.5mm, the outer diameter of the internal diameter and modeling pipe of steel pipe are up to 1mm.It moulds pipe and passes through steel through machine for shrinking draw rear haulage
It manages and compound in such a way that modeling pipe itself is remembered again between diameter and steel pipe using interference.
A kind of moulding process of steel plastic compount antiknock pipe, as shown in figure 5, include the following steps: a, matching outer layer pipe and
Internal layer modeling pipe, outer layer pipe internal diameter are less than internal layer and mould pipe outside diameter, between magnitude of interference control within 1mm, when matching, mould pipe
Length is slightly larger than the length of steel pipe, convenient for compound rear progress end finishing；
B, pipe is moulded to internal layer and the draw is carried out by machine for shrinking, the draw is drawn across steel pipe by dragger in the process；
C, multiple diameter, discharges tractive force, is managed itself memory effect recovery outer diameter by modeling and is complex as a whole with steel pipe.
Embodiment 2:
Be in place of a kind of steel plastic compount antiknock pipe, with the difference of embodiment 1: steel pipe inner wall coats one layer of viscose glue.Remaining structure
Referring to embodiment 1.
Embodiment 3:
Be in place of a kind of steel plastic compount antiknock pipe, with the difference of embodiment 1: steel pipe inner wall is annular knurl inner surface, the depth of annular knurl
Degree is less than 1mm, modeling pipe appearance with steel pipe inner wall annular knurl is mutually embedding is integrated.
A kind of moulding process of steel plastic compount antiknock pipe, as shown in fig. 6, being rolled before traction modeling pipe to steel pipe inner wall
Flower processing, the shape of annular knurl are rhombus net trellis, and the depth of annular knurl is less than 1mm, are heated after moulding the pipe draw to modeling pipe outer wall
And making its softening, the side Bian Jiare is drawn across steel pipe, when heating, modeling inside pipe wall to be kept to be in room temperature cooling state；Modeling pipe and
Logical cold wind sizing in the compound backward modeling pipe of steel pipe.
Embodiment 4:
As shown in figure 3, being in place of a kind of steel plastic compount antiknock pipe, with the difference of embodiment 1: the both ends of antiknock pipe are provided with ring
Slot 3, table is provided with half slot in the end of steel pipe, and half slot is arranged in the end appearance for moulding pipe, and two halves slot pairing is in annular groove.
Embodiment 5:
As shown in figure 4, being in place of a kind of steel plastic compount antiknock pipe, with the difference of embodiment 1: the inner wall of the steel pipe of outer layer is cone
Shape, the miner diameter end diameter of taper 4 are less than the outer diameter of modeling pipe, and the bigger diameter end diameter of taper is equal to the outer diameter of modeling pipe.Remaining structure
Referring to embodiment 1.
A kind of moulding process of steel plastic compount antiknock pipe includes the following steps: a, matching outer layer pipe and internal layer modeling pipe, outside
The inner wall of layer steel pipe is cone-shaped, and the miner diameter end diameter of taper is less than modeling pipe outside diameter, and it is outer that the bigger diameter end diameter of taper is equal to modeling pipe
Diameter, between magnitude of interference control within 1mm, when matching, the length for moulding pipe is slightly larger than the length of steel pipe, convenient for carrying out after compound
End finishing；
B, pipe is moulded to internal layer and the draw is carried out by machine for shrinking, the draw is drawn across steel pipe by dragger in the process, passes through Shi Conggang
The bigger diameter end of pipe penetrates, until the end of modeling pipe is pierced by steel pipe miner diameter end；
C, multiple diameter after the draw, then keeps the end of modeling pipe and the miner diameter end end of steel pipe opposite motionless, release traction
Power is managed itself memory effect recovery outer diameter by modeling and is complex as a whole with steel pipe.
The above is only presently preferred embodiments of the present invention, is not intended to limit the invention in any way, it is all according to the present invention
Technical spirit any simple modification, change and equivalent transformation to the above embodiments, still fall within the technology of the present invention side
The protection scope of case.
Claims (10)
1. a kind of steel plastic compount antiknock pipe, which is characterized in that antiknock pipe is double-layer structure, and outer layer is steel pipe, and internal layer is modeling pipe, modeling
The outer diameter of pipe is greater than the internal diameter of steel pipe, modeling pipe through machine for shrinking draw rear haulage pass through steel pipe and by modeling pipe itself remember multiple diameter with
It is compound by the way of interference between steel pipe.
2. steel plastic compount antiknock pipe according to claim 1, which is characterized in that the modeling pipe uses polyethylene pipe, modeling
The minimum 2.5mm of the wall thickness of pipe；The steel pipe is coating steel pipe；Steel pipe inner wall has one layer of viscose glue.
3. steel plastic compount antiknock pipe according to claim 1, which is characterized in that the inner wall of the steel pipe of outer layer is cone-shaped,
The miner diameter end diameter of taper is less than the outer diameter of modeling pipe, and the bigger diameter end diameter of taper is equal to the outer diameter of modeling pipe.
4. steel plastic compount antiknock pipe according to claim 1 or 2 or 3, which is characterized in that the internal diameter of steel pipe is outer with modeling pipe
The difference of diameter is up to 1mm.
5. steel plastic compount antiknock pipe according to claim 1 or 2 or 3, which is characterized in that steel pipe inner wall is table in annular knurl
Face, modeling pipe appearance with steel pipe inner wall annular knurl is mutually embedding is integrated.
6. steel plastic compount antiknock pipe according to claim 1 or 2 or 3, which is characterized in that the both ends of antiknock pipe are provided with ring
Slot, table is provided with half slot in the end of steel pipe, and half slot is arranged in the end appearance for moulding pipe, and two halves slot pairing is in annular groove.
7. the moulding process of steel plastic compount antiknock pipe described in a kind of claim 1 to 6 any one, which is characterized in that including
Following steps: a, matching outer layer pipe and internal layer modeling pipe, the internal diameter of outer layer pipe are less than the outer diameter of internal layer modeling pipe；
B, the draw is carried out to internal layer modeling pipe, the draw is drawn across steel pipe by dragger in the process；
C, multiple diameter, discharges tractive force, is managed itself memory effect recovery outer diameter by modeling and is complex as a whole with steel pipe.
8. moulding process according to claim 7, which is characterized in that modeling pipe be drawn across before steel pipe, steel pipe inner wall into
Row gluing.
9. moulding process according to claim 7, which is characterized in that before traction modeling pipe, carry out annular knurl to steel pipe inner wall
Processing；Its softening is heated and is made to modeling pipe outer wall after the modeling pipe draw, the side Bian Jiare is drawn across steel pipe.
10. according to moulding process described in claim 7 or 8 or 9, which is characterized in that in modeling pipe and the compound backward modeling pipe of steel pipe
Logical cold wind sizing finally fights booster end and is processed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910421463.8A CN110043719A (en) | 2019-05-21 | 2019-05-21 | Steel plastic compount antiknock pipe and moulding process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910421463.8A CN110043719A (en) | 2019-05-21 | 2019-05-21 | Steel plastic compount antiknock pipe and moulding process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110043719A true CN110043719A (en) | 2019-07-23 |
Family
ID=67282733
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910421463.8A Pending CN110043719A (en) | 2019-05-21 | 2019-05-21 | Steel plastic compount antiknock pipe and moulding process |
Country Status (1)
| Country | Link |
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| CN (1) | CN110043719A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111703077A (en) * | 2020-06-16 | 2020-09-25 | 广州碧源管业有限公司 | Composite pipe production process |
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| CN204062210U (en) * | 2014-07-31 | 2014-12-31 | 河南联塑实业有限公司 | A kind of plastic-coated PE steel plastic compount supply pipe |
| CN204127503U (en) * | 2014-07-31 | 2015-01-28 | 河南联塑实业有限公司 | A kind of anti-aging plastic-coated PE steel-plastic composite pipe |
| CN210318873U (en) * | 2019-05-21 | 2020-04-14 | 上海瑞皇管业科技股份有限公司 | Steel-plastic composite anti-explosion pipe |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111703077A (en) * | 2020-06-16 | 2020-09-25 | 广州碧源管业有限公司 | Composite pipe production process |
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Address after: Room 101, Building 6, 68 Lane 1445 Kangshen Road, Zhoupu Town, Pudong New Area, Shanghai, 201318 Applicant after: Shanghai Ruihuang Pipe Technology Co.,Ltd. Address before: Room 101, Building 6, 68 Lane 1445 Kangshen Road, Zhoupu Town, Pudong New Area, Shanghai, 201318 Applicant before: SHANGHAI RUIHUANG PIPE INDUSTRY TECHNOLOGY Co.,Ltd. |