CN109488815A - A kind of novel HDPE winding structure pipe and its manufacture craft - Google Patents
A kind of novel HDPE winding structure pipe and its manufacture craft Download PDFInfo
- Publication number
- CN109488815A CN109488815A CN201811609992.2A CN201811609992A CN109488815A CN 109488815 A CN109488815 A CN 109488815A CN 201811609992 A CN201811609992 A CN 201811609992A CN 109488815 A CN109488815 A CN 109488815A
- Authority
- CN
- China
- Prior art keywords
- basal body
- support tube
- pipe
- body pipe
- enhancing support
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 229920001903 high density polyethylene Polymers 0.000 title claims abstract description 73
- 239000004700 high-density polyethylene Substances 0.000 title claims abstract description 73
- 238000004804 winding Methods 0.000 title claims abstract description 52
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 34
- 230000002708 enhancing effect Effects 0.000 claims abstract description 112
- 239000000463 material Substances 0.000 claims abstract description 50
- 238000010438 heat treatment Methods 0.000 claims description 44
- 238000003466 welding Methods 0.000 claims description 26
- 238000002844 melting Methods 0.000 claims description 25
- 230000008018 melting Effects 0.000 claims description 25
- 238000001816 cooling Methods 0.000 claims description 10
- 239000002994 raw material Substances 0.000 claims description 10
- 238000006073 displacement reaction Methods 0.000 claims description 9
- 239000011159 matrix material Substances 0.000 claims description 8
- -1 polypropylene Polymers 0.000 claims description 7
- 238000001125 extrusion Methods 0.000 claims description 6
- 238000003754 machining Methods 0.000 claims description 5
- 239000004743 Polypropylene Substances 0.000 claims description 4
- 230000001965 increasing effect Effects 0.000 claims description 4
- 229920001155 polypropylene Polymers 0.000 claims description 4
- 239000004698 Polyethylene Substances 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 229920000573 polyethylene Polymers 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 description 15
- 239000004033 plastic Substances 0.000 description 15
- 238000005253 cladding Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 230000003014 reinforcing effect Effects 0.000 description 7
- 229910000831 Steel Inorganic materials 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 230000035882 stress Effects 0.000 description 4
- 230000008719 thickening Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000012943 hotmelt Substances 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 239000004831 Hot glue Substances 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 238000003486 chemical etching Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 239000003755 preservative agent Substances 0.000 description 1
- 230000002335 preservative effect Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 210000005239 tubule Anatomy 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
-
- 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
- B29C69/00—Combinations of shaping techniques not provided for in a single one of main groups B29C39/00 - B29C67/00, e.g. associations of moulding and joining techniques; Apparatus therefore
-
- 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
- B29C69/00—Combinations of shaping techniques not provided for in a single one of main groups B29C39/00 - B29C67/00, e.g. associations of moulding and joining techniques; Apparatus therefore
- B29C69/007—Lining or sheathing in combination with forming the article to be lined
- B29C69/008—Lining or sheathing in combination with forming the article to be lined of tubular articles
-
- 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
- F16L47/00—Connecting arrangements or other fittings specially adapted to be made of plastics or to be used with pipes made of plastics
- F16L47/02—Welded joints; Adhesive joints
- F16L47/03—Welded joints with an electrical resistance incorporated in the joint
-
- 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 present invention relates to a kind of novel HDPE winding structure pipes, including basal body pipe, the outside of basal body pipe is equipped with bellows, enhancing support tube and clad, enhancing support tube is coated on the outside of bellows, the combination of bellows and enhancing support tube is wrapped on the lateral surface of basal body pipe along the axial direction of basal body pipe and is arranged in the shape of a spiral, and the lateral surface for enhancing support tube and basal body pipe connects；Clad is coated on basal body pipe and enhances the outside of support tube, and the lateral surface of clad and basal body pipe, enhancing support tube is all connected with；Basal body pipe, enhancing support tube and clad are all made of high density polyethylene (HDPE) and are made.The present invention also provides the manufacture crafts of above-mentioned novel HDPE winding structure pipe.This novel HDPE winding structure pipe has both preferable flexibility and ring stiffness, and manufacture craft is simple, quick, can effectively save production material, reduces cost of manufacture.
Description
Technical field
The present invention relates to plastic pipe technical fields, and in particular to a kind of novel HDPE winding structure pipe and its production work
Skill.
Background technique
Currently, domestic generally use steel plastic drain pipe, its advantages are ring stiffness height, but in place of Shortcomings: first is that modeling
Expect have big difference with the elasticity modulus and thermal expansion coefficient of steel, be easy to cause tube wall to crack under interior external force；Second is that steel
Poor corrosion resistance, once steel band is easy to damage by corroding, to influence the use of tube body, third is that complex forming technology, is easy
The waste for causing production material causes cost of manufacture higher.And pure HDPE double-wall corrugated pipe is used, it is by raw material by squeezing
The mode of machine extrusion molding out is produced by mold and corrugated pipe forming machine.But traditional production method is produced
Double-wall corrugated pipe have the disadvantage in that ring stiffness is not sufficiently good, bigger soil load forces cannot be born；It is difficult to that big mouth is made
Diameter tube body.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of novel HDPE winding structure pipe and its manufacture craft, this
The novel HDPE winding structure pipe of kind has both preferable flexibility and ring stiffness, and manufacture craft is simple, quick, can effectively save
Production material is saved, cost of manufacture is reduced.The technical solution adopted is as follows:
A kind of novel HDPE winding structure pipe, including basal body pipe, it is characterised in that: the outside of described matrix pipe is equipped with ripple
Pipe, enhancing support tube and clad, enhancing support tube are coated on the outside of bellows, the combination of bellows and enhancing support tube
It is wrapped on the lateral surface of basal body pipe along the axial direction of basal body pipe and is arranged in the shape of a spiral, enhance the outside of support tube and basal body pipe
Face connection；Clad is coated on basal body pipe and enhances the outside of support tube, clad and basal body pipe, the lateral surface for enhancing support tube
It is all connected with；Basal body pipe, enhancing support tube and clad are all made of high density polyethylene (HDPE) and are made.
In general, the connection of the connection of above-mentioned enhancing support tube and basal body pipe, basal body pipe and enhancing support tube and clad is equal
It is realized by the way of hot melt.
In above-mentioned novel HDPE winding structure pipe, supported by winding bellows and enhancing on the lateral surface of basal body pipe
The combination of pipe connects the lateral surface for enhancing support tube and basal body pipe, can greatly enhance the ring stiffness of basal body pipe in this way, make base
Body pipe had not only had enough resistance to compressions and impact strength, but also had good flexibility；And by basal body pipe and enhancing branch
The outside of stay tube coats clad, is all connected with clad and the lateral surface of basal body pipe, enhancing support tube, can make basal body pipe in this way
It is even closer, stronger with the combination of enhancing support tube, it is often more important that, the fixation for bellows is supported by enhancing
Connection of the pipe to the cladding of bellows, connection, clad and the basal body pipe of enhancing support tube and basal body pipe and enhancing support tube, this
The multiple cladding of sample and connection make bellows and are fixed on basal body pipe with enhancing the combination secure rigid of support tube.Above-mentioned base
Body pipe, enhancing support tube and clad are all made of high density polyethylene (HDPE) and are made, since high-density polyethylene material is with extremely strong
Ability that is resistant to chemical etching and corroding, therefore novel HDPE winding structure pipe is in conveying corrosive fluid or in corrosivity native
When laying in earth, it is not necessary to preservative treatment, performance is significantly better than other tubing；Further, since high-density polyethylene material is without any
Toxicity is also generated without any sundries in process of production, useless pipeline all can be carried out recycling and reusing, be belonged to environmental protection and safety type
Green product.
In preferred embodiment, above-mentioned bellows is single-wall corrugated pipe, and single-wall corrugated pipe is made of polypropylene or polyethylene.This
Sample can further improve flexibility, shock resistance, resist chemical and the ageing-resistant ability of novel HDPE winding structure pipe, have
Effect prolongs its service life.
In preferred embodiment, above-mentioned basal body pipe has smooth medial surface.In this way, basal body pipe specific frictional resistance in trandfer fluid
Small, relatively with other tubing of internal diameter, carrying capacity can be increased substantially under same use condition, therefore available internal diameter is lesser
The novel biggish pipe of cement of HDPE winding structure pipe substitution internal diameter or rigid pipe.In practical applications, compared with traditional piping material,
It under equal conditions will all be improved using the engineering of novel HDPE winding structure pipe and reliability, comprehensive benefit is obvious, especially
It is that narrow, building dense, underground utilities are complicated on construction ground and heavy traffic section and when acid-base property soil is laid with, more
Has superiority.
In preferred embodiment, the end of described matrix pipe has thickening layer.The ring that thickening layer is used to enhance matrix tube end is rigid
Degree makes the end of basal body pipe have enough resistance to compressions and impact strength.
In a kind of preferred embodiment, above-mentioned basal body pipe is made of the flat material strip spiral wound of high density polyethylene (HDPE) and welding.
In another preferred embodiment, above-mentioned basal body pipe is made of high density polyethylene (HDPE) tubule spiral wound and welding.
In preferred embodiment, reinforcing rib and plastic layer are additionally provided on the outside of above-mentioned basal body pipe, reinforcing rib wraps in a spiral manner
On the lateral surface of basal body pipe and in the screw channel of the enhancing support tube in helical form setting, plastic layer is coated on reinforcement
The outside of muscle, and the lateral surface of plastic layer and basal body pipe connects；The clad is coated on basal body pipe, enhancing support tube and plastic cement
The outside of layer.Above-mentioned reinforcing rib is generally solid steel bar, plastic strip, ribbon etc..In general, the outside of plastic layer and basal body pipe
Face is attached by the way of hot melt.In this way, the ring stiffness of novel HDPE winding structure pipe can be further enhanced, it is improved
Critical external compressive resistance ability.
In preferred embodiment, above-mentioned basal body pipe includes pipeline body and from hot melting connector；Have from hot melting connector and is fixedly connected
End and welding end, are gradually reduced from internal diameter autogenous welding end to the fixed connection end of hot melting connector, the internal diameter and pipeline sheet at welding end
The outer diameter of body is equal, and the internal diameter of fixed connection end is greater than the internal diameter of pipeline body, one end one of fixed connection end and pipeline body
Body connects and constitutes limited step in junction；At least one annular heating wire, ring are embedded with from the inner wall of hot melting connector
The both ends of shape heating wire extend out to the outside from hot melting connector.When being combined, first send out its heating the energization of annular heating wire
Heat, then moving from hot melting connector, and towards fixed connection end for another basal body pipe is inserted into pipeline body one end of a basal body pipe
It is dynamic (during insertion, to exist from the part that the clad on the outside of the inner wall of hot melting connector, pipeline body is contacted with annular heating wire
Melt under the heating of annular heating wire, two basal body pipes is enable successfully to carry out grafting)；Until when above-mentioned basal body pipe
When the limited step of pipeline body and another basal body pipe is in contact, the position of two basal body pipes is kept, and by annular heating wire
After power-off cooling and solidifying, two basal body pipes are just melted together to close and firm, and are realized two above-mentioned novel HDPE winding arrangements
Wall pipe is combined；By repeating the above process, it can realize and be combined multiple above-mentioned novel HDPE winding structure pipes,
Keep operation easier；And multiple basal body pipes are combined by way of grafting, effectively increase the melting of pipeline junction
Contact area to improve the fastness of pipeline junction, while can avoid forming resistance ring in the end of basal body pipe, guarantee base
The using effect of body pipe.
In more preferable scheme, above-mentioned annular heating wire is arranged on the edge medial surface at the welding end.
In more preferable scheme, above-mentioned annular heating wire is connected in sequence by multiple heating wire units, and heating wire unit is S
Shape.In this way, the heating surface (area) (HS of annular heating wire can be effectively increased, quickening is melted to from hot melting connector inner wall, pipeline body outer wall
Change speed, it is ensured that plastic conduit can successfully carry out grafting.
Still more preferably in scheme, the quantity of above-mentioned annular heating wire is two, and two annular heating wire are mutually embedded and set.
It is one of heating wire in the corresponding two heating wire units of two annular heating wire that annular heating wire, which is mutually embedded and sets,
The protrusion of unit extend into the recess portion of another heating wire unit.
Above-mentioned novel HDPE winding structure pipe can also be used other connection types and be combined, as clip plus band connect
It connects, heat shrinking sleeve (band) connects or the connection of the socket joint of elastic seal ring.
The present invention also provides the manufacture crafts of above-mentioned novel HDPE winding structure pipe, it is characterised in that including following steps
It is rapid:
(1), it rotates roller mold and makees displacement；First extruder squeezes out the first material by raw material of high density polyethylene (HDPE)
Band, the first material strip are wrapped on the starting point of roller mold, and the first material strip is with the rotation and displacement of roller mold with spiral
Form is uniformly and intimately wrapped in the outer surface of roller mold and is fused into basal body pipe；
(2), during the basal body pipe described in making step (1), bellows is passed through to the extrusion die of the second extruder, the
Two extruders squeeze out enhancing support tube as raw material using high density polyethylene (HDPE) and are coated on the lateral surface of bellows；It again will be by ripple
The combination of pipe and enhancing support tube is wrapped on the starting point of roller mold, and the combination of bellows and enhancing support tube is with roller
The rotation of cylinder mould tool and displacement are wrapped in a spiral form on the lateral surface of basal body pipe, and utilize basal body pipe and enhancing support
The residual temperature of pipe surface will enhance support tube and be welded together with basal body pipe；
(3), during enhancing support tube described in winding step (2), third extruder is using high density polyethylene (HDPE) as raw material
The second material strip is squeezed out, the second material strip is uniformly and intimately wrapped on the outside of basal body pipe and enhancing support tube and forms clad, wraps
Coating coats basal body pipe and enhancing support tube completely, and using basal body pipe, enhancing support tube, clad residual temperature by clad
It is welded together with basal body pipe, enhancing support tube；
(4), basal body pipe, enhancing support tube and clad are cooled down, keeps its fixed-type, then by basal body pipe from roller mold
On detach.
Above-mentioned welding refers to be attached by hot melting way.
It is respectively completed basal body pipe by the way of three extruder co-extrusions, enhances the production of support tube and clad, and leads to
Enhancing support tube is crossed to support the cladding of bellows, connection, clad and the basal body pipe of enhancing support tube and basal body pipe and enhancing
The connection of pipe, such multiple cladding and connection make bellows and are fixed on matrix with enhancing the combination secure rigid of support tube
Guan Shang, manufacture craft is simple, quick, and effectively saves production material, reduces cost of manufacture.
In preferred embodiment, bellows described in above-mentioned steps (2) is single-wall corrugated pipe, and bellows uses polypropylene or poly- second
Alkene is made.
It is preferred that in above-mentioned steps (4), before being cooled down to basal body pipe, enhancing support tube and clad, first to matrix
One end of pipe carries out machining, is made from hot melting connector, then annular heating wire is embedded at from the inner wall of hot melting connector；It is right
The other end of basal body pipe carries out machining, keeps its lateral surface smooth.In this way, can be by multiple above-mentioned novel HDPE winding structures
Pipe is combined by way of from hot-melt adhesive paste, and easy to operate, and fastness is more preferable.
It is preferred that pair roller barrel mold, basal body pipe, enhancing support tube and clad carry out cooling mode in above-mentioned steps (4)
Using natural air cooled.Carried out after tube forming natural air cooled, the stress of tubing itself discharges completely in natural cooling process,
To ensure that the stabilization, reliable of pipe performance.
In preferred embodiment, precooling dress is provided between above-mentioned second extruder, third extruder and the roller mold
It sets, precools device and the enhancing support tube, the second material strip are precooled.Enhancing is supported by precooling device
Pipe, the second material strip are precooled, and the temperature of enhancing support tube, the second material strip is reduced, and have enhancing support tube, the second material strip
Certain internal stress draws to apply certain pressure to enhancing support tube, the second material strip.
In further preferred embodiment, enhancing branch is controlled by the Winding pressure of control enhancing support tube, the second material strip
The welding tightness degree of stay tube, the second material strip and basal body pipe.It is bigger to enhance support tube, the Winding pressure of the second material strip, enhancing branch
The welding of stay tube, the second material strip and basal body pipe is closer.
In further preferred embodiment, above-mentioned enhancing support tube, the second material strip Winding pressure by roller mold rotation
Rotary speed and movement speed co- controlling.The rotation speed and movement speed of roller mold are bigger, then enhance support tube, the second material
The Winding pressure of band is bigger, this is built upon on the basis of enhancing support tube, the precooling of the second material strip certainly.Above-mentioned precooling
Device can be air cooler, be also possible to water cooling equipment.
In preferred embodiment, in above-mentioned steps (2), step (3), the temperature of the welding is 180 DEG C -230 DEG C, the pressure of welding
Power intensity is 14 MPa -22MPa.
It is preferred that in above-mentioned steps (2), wrapped reinforcing rib and make at reinforcing rib in a spiral form on the lateral surface of basal body pipe
In the screw channel of the enhancing support tube of helical form setting, plastic layer is then squeezed out by the 4th extruder, reinforcing rib is wrapped
It covers, and is welded together the lateral surface of plastic layer and basal body pipe using the residual temperature of plastic layer；It is manufactured in above-mentioned steps (3)
Basal body pipe, enhancing support tube and plastic layer completely coats by clad, and using basal body pipe, enhance support tube, clad,
Clad and basal body pipe, enhancing support tube, plastic layer are welded together by the residual temperature of plastic layer.In this way, base can be further enhanced
The ring stiffness of body pipe, improves its critical external compressive resistance ability, and intensity is good more than the reinforcing rib being generally arranged.
Production of the manufacture craft of above-mentioned novel HDPE winding structure pipe especially suitable for heavy caliber pipe.
Novel HDPE winding structure pipe of the invention on the lateral surface of basal body pipe by winding bellows and enhancing branch
The combination of stay tube connects the lateral surface for enhancing support tube and basal body pipe, can greatly enhance the ring stiffness of basal body pipe in this way, make
Basal body pipe had not only had enough resistance to compressions and impact strength, but also had good flexibility；And by basal body pipe and enhancing
The outside of support tube coats clad, is all connected with clad and the lateral surface of basal body pipe, enhancing support tube, can make matrix in this way
The combination of pipe and enhancing support tube is even closer, stronger, it is often more important that, the fixation for bellows is by enhancing branch
Connection of the stay tube to the cladding of bellows, connection, clad and the basal body pipe of enhancing support tube and basal body pipe and enhancing support tube,
Such multiple cladding and connection make bellows and are fixed on basal body pipe with enhancing the combination secure rigid of support tube.It is making
When making, it is respectively completed basal body pipe by the way of three extruder co-extrusions, enhances the production of support tube and clad, and passes through increasing
Strong support tube is to the cladding of bellows, connection, clad and the basal body pipe of enhancing support tube and basal body pipe and enhancing support tube
Connection, such multiple cladding and connection make bellows and are fixed on basal body pipe with enhancing the combination secure rigid of support tube
On, manufacture craft is simple, quick, and effectively saves production material, reduces cost of manufacture.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the preferred embodiment of the present invention.
Fig. 2 is the A-A cross-sectional view of Fig. 1 (wherein annular heating wire is not drawn into).
Fig. 3 is enlarged drawing at the B of Fig. 2.
Fig. 4 is the structural schematic diagram of basal body pipe and annular heating wire in novel HDPE winding structure pipe shown in Fig. 1.
Specific embodiment
As shown in Figure 1-3, this novel HDPE winding structure pipe includes basal body pipe 1, the outside of basal body pipe 1 is equipped with ripple
Pipe 2, enhancing support tube 3 and clad 4, enhancing support tube 3 are coated on the outside of bellows 2, bellows 2 and enhancing support tube 3
Combination 23 be arranged along the lateral surface that the axial direction of basal body pipe 1 is wrapped in basal body pipe 1 and in the shape of a spiral, enhance support tube 3
It is connect with the lateral surface of basal body pipe 1；Clad 4 is coated on basal body pipe 1 and enhances the outside of support tube 3, clad 4 and basal body pipe
1, the lateral surface for enhancing support tube 3 is all connected with；Basal body pipe 1, enhancing support tube 3 and clad 4 are all made of high density polyethylene (HDPE) system
At.
In the present embodiment, basal body pipe 1 has smooth medial surface, and the end of basal body pipe 1 has thickening layer 111.It thickeies
Layer 111 makes 1 end of basal body pipe have enough resistance to compressions and impact strength for enhancing the ring stiffness of 1 end of basal body pipe.
In the present embodiment, bellows 2 is single-wall corrugated pipe, and single-wall corrugated pipe is made of polypropylene or polyethylene.
With reference to Fig. 4, basal body pipe 1 includes pipeline body 11 and from hot melting connector 12；Have from hot melting connector 12 and is fixedly connected
End 121 and welding end 122, are gradually reduced, welding end from internal diameter autogenous welding end 122 to the fixed connection end 121 of hot melting connector 12
122 internal diameter is equal with the outer diameter of pipeline body 11, and the internal diameter of fixed connection end 121 is greater than the internal diameter of pipeline body 11, fixed
One end integrally connected of connecting pin 121 and pipeline body 11 and limited step 123 is constituted in junction；From hot melting connector 12
Annular heating wire 13 is embedded on inner wall, annular heating wire 13 is arranged on the edge medial surface at welding end 122, annular heating wire
13 both ends extend out to the outside from hot melting connector 12.In the present embodiment, annular heating wire 13 is by multiple heating wire units 131
It is connected in sequence, heating wire unit is S-shaped.
The combined method of brief description once the utility model HDPE winding structure pipe:
When being combined, first its heating is set to generate heat the energization of annular heating wire 13, then by 11 one end of pipeline body of a basal body pipe 1
It is inserted into moving from hot melting connector 12, and towards fixed connection end 121 (during insertion, from thermal welding for another basal body pipe 1
Part the adding in annular heating wire 13 that first 12 inner wall, the clad 4 in 11 outside of pipeline body are contacted with annular heating wire 13
Heat is lower to melt, and two basal body pipes 1 is enable successfully to carry out grafting)；Until when above-mentioned basal body pipe 1 pipeline body 11 with
When the limited step 123 of another basal body pipe 1 is in contact, the position of two basal body pipes 1 is kept, and annular heating wire 13 is powered off
After cooling and solidifying, two basal body pipes 1 are just melted together to close and firm, and are realized two above-mentioned novel HDPE winding structure pipes
It is combined；By repeating the above process, it can realize and be combined multiple above-mentioned novel HDPE winding structure pipes.
The manufacture craft of novel HDPE winding structure pipe of the invention includes the following steps:
(1), it rotates roller mold and makees displacement；First extruder squeezes out the first material by raw material of high density polyethylene (HDPE)
Band, the first material strip are wrapped on the starting point of roller mold, and the first material strip is with the rotation and displacement of roller mold with spiral
Form is uniformly and intimately wrapped in the outer surface of roller mold and is fused into basal body pipe 1；
(2), in making step (1) during basal body pipe 1, by bellows 2 pass through the second extruder extrusion die, second
Extruder squeezes out enhancing support tube 3 as raw material using high density polyethylene (HDPE) and is coated on the lateral surface of bellows 2；It again will be by ripple
The combination 23 of pipe 2 and enhancing support tube 3 is wrapped on the starting point of roller mold, the combination of bellows 2 and enhancing support tube 3
Body 23 is wrapped on the lateral surface of basal body pipe 1 in a spiral form with the rotation of roller mold and displacement, and utilizes basal body pipe 1
Support tube 3 will be enhanced with the residual temperature on enhancing 3 surface of support tube to be welded together with basal body pipe 1；
(3), in winding step (2) during enhancing support tube 3, third extruder is squeezed out by raw material of high density polyethylene (HDPE)
Second material strip, the second material strip are uniformly and intimately wrapped on the outside of basal body pipe 1 and enhancing support tube 3 and form clad 4, coat
Layer 4 coats basal body pipe 1 and enhancing support tube 3 completely, and will be wrapped using the residual temperature of basal body pipe 1, enhancing support tube 3, clad 4
Coating 4 is welded together with basal body pipe 1, enhancing support tube 3；
(4), basal body pipe 1, enhancing support tube 3 and clad 4 are cooled down, keeps its fixed-type, then by basal body pipe 1 from roller
It is detached on mold.
In the present embodiment, it is provided with precooling device between the second extruder, third extruder and roller mold, is pre-chilled
But device precools enhancing support tube 3, the second material strip.By precool device to enhancing support tube 3, the second material strip into
Row precools, and reduces the temperature of enhancing support tube 3, the second material strip, and enhancing support tube 3, the second material strip is made to have certain inside
Stress draws to apply certain pressure to enhancing support tube 3, the second material strip.
In the present embodiment, by control enhancing support tube 3, the second material strip Winding pressure come control enhancing support tube 3,
The welding tightness degree of second material strip and basal body pipe 1；Enhance support tube 3, the second material strip Winding pressure by roller mold rotation
Rotary speed and movement speed co- controlling.The rotation speed and movement speed of roller mold are bigger, then enhance support tube 3, second
The Winding pressure of material strip is bigger, and enhancing support tube 3, the welding of the second material strip and basal body pipe 1 are closer.
In the present embodiment, above-mentioned steps (2), in step (3), the temperature of the welding is 180 DEG C -230 DEG C, welding
The intensity of pressure is 14 MPa -22MPa.
In the present embodiment, it in above-mentioned steps (4), carries out cooling down it to basal body pipe 1, enhancing support tube 3 and clad 4
Before, machining first is carried out to one end of basal body pipe 1, is made from hot melting connector 12, then annular heating wire 13 is embedded at self-heating
On the inner wall of welded joint 12；Machining is carried out to the other end of basal body pipe 1, keeps its lateral surface smooth.
In the present embodiment, in above-mentioned steps (4), pair roller barrel mold, basal body pipe 1, enhancing support tube 3 and clad 4 into
The cooling mode of row can be used natural air cooled.Carried out after tube forming natural air cooled, the stress of tubing itself is in natural cooling
Release completely in the process, to ensure that the stabilization of pipe performance, reliable.
In addition, it should be noted that, the specific embodiments described in this specification, each section title etc. can not
Together, the equivalent or simple change that all structure, feature and principles described according to the invention patent design are done, is included in the present invention
In the protection scope of patent.Those skilled in the art can do described specific embodiment various each
The mode that the modify or supplement or adopt of sample is similar substitutes, and without departing from structure of the invention or surmounts the claims
Defined range, is within the scope of protection of the invention.
Claims (10)
1. a kind of novel HDPE winding structure pipe, including basal body pipe, it is characterised in that: the outside of described matrix pipe is equipped with ripple
Pipe, enhancing support tube and clad, enhancing support tube are coated on the outside of bellows, the combination of bellows and enhancing support tube
It is wrapped on the lateral surface of basal body pipe along the axial direction of basal body pipe and is arranged in the shape of a spiral, enhance the outside of support tube and basal body pipe
Face connection；Clad is coated on basal body pipe and enhances the outside of support tube, clad and basal body pipe, the lateral surface for enhancing support tube
It is all connected with；Basal body pipe, enhancing support tube and clad are all made of high density polyethylene (HDPE) and are made.
2. novel HDPE winding structure pipe according to claim 1, it is characterised in that: the bellows is single wall ripple
Pipe, single-wall corrugated pipe are made of polypropylene or polyethylene.
3. novel HDPE winding structure pipe according to claim 1 or 2, it is characterised in that: described matrix pipe includes pipe
Road ontology and from hot melting connector；There is fixed connection end and welding end from hot melting connector, from the internal diameter autogenous welding end of hot melting connector
It is gradually reduced to fixed connection end, the internal diameter at welding end and the outer diameter of pipeline body are equal, and the internal diameter of fixed connection end is greater than pipe
One end integrally connected of the internal diameter of road ontology, fixed connection end and pipeline body and junction constitute limited step；Self-heating
At least one annular heating wire is embedded on the inner wall of welded joint, the both ends of annular heating wire are extend out to from the outer of hot melting connector
Side；Annular heating wire is connected in sequence by multiple heating wire units, and heating wire unit is S-shaped.
4. a kind of manufacture craft of novel HDPE winding structure pipe, it is characterised in that include the following steps:
(1), it rotates roller mold and makees displacement；First extruder squeezes out the first material by raw material of high density polyethylene (HDPE)
Band, the first material strip are wrapped on the starting point of roller mold, and the first material strip is with the rotation and displacement of roller mold with spiral
Form is uniformly and intimately wrapped in the outer surface of roller mold and is fused into basal body pipe；
(2), during the basal body pipe described in making step (1), bellows is passed through to the extrusion die of the second extruder, the
Two extruders squeeze out enhancing support tube as raw material using high density polyethylene (HDPE) and are coated on the lateral surface of bellows；It again will be by ripple
The combination of pipe and enhancing support tube is wrapped on the starting point of roller mold, and the combination of bellows and enhancing support tube is with roller
The rotation of cylinder mould tool and displacement are wrapped in a spiral form on the lateral surface of basal body pipe, and utilize basal body pipe and enhancing support
The residual temperature of pipe surface will enhance support tube and be welded together with basal body pipe；
(3), during enhancing support tube described in winding step (2), third extruder is using high density polyethylene (HDPE) as raw material
The second material strip is squeezed out, the second material strip is uniformly and intimately wrapped on the outside of basal body pipe and enhancing support tube and forms clad, wraps
Coating coats basal body pipe and enhancing support tube completely, and using basal body pipe, enhancing support tube, clad residual temperature by clad
It is welded together with basal body pipe, enhancing support tube；
(4), basal body pipe, enhancing support tube and clad are cooled down, keeps its fixed-type, then by basal body pipe from roller mold
On detach.
5. the manufacture craft of novel HDPE winding structure pipe according to claim 4, it is characterised in that: the step
(4) in, before cooling down to basal body pipe, enhancing support tube and clad, machining first is carried out to one end of basal body pipe,
It is made from hot melting connector, then annular heating wire is embedded at from the inner wall of hot melting connector；The other end of basal body pipe is cut
Processing is cut, keeps its lateral surface smooth.
6. the manufacture craft of novel HDPE winding structure pipe according to claim 4, it is characterised in that: the step
(4) in, pair roller barrel mold, basal body pipe, enhancing support tube and clad carry out cooling mode using natural air cooled.
7. the manufacture craft of novel HDPE winding structure pipe according to claim 4, it is characterised in that: described second squeezes
Precooling device is provided between machine, third extruder and the roller mold out, device is precooled and the enhancing is supported
Pipe, the second material strip are precooled.
8. the manufacture craft of novel HDPE winding structure pipe according to claim 7, it is characterised in that: increased by control
Strong support tube, the second material strip Winding pressure control the welding tightness degree of enhancing support tube, the second material strip and basal body pipe.
9. the manufacture craft of novel HDPE winding structure pipe according to claim 8, it is characterised in that: the enhancing branch
Stay tube, the second material strip Winding pressure by roller mold rotation speed and movement speed co- controlling.
10. according to the manufacture craft of the described in any item novel HDPE winding structure pipes of claim 4-9, it is characterised in that:
The temperature of the welding is 180 DEG C -230 DEG C, and the intensity of pressure of welding is 14 MPa -22MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811609992.2A CN109488815A (en) | 2018-12-27 | 2018-12-27 | A kind of novel HDPE winding structure pipe and its manufacture craft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811609992.2A CN109488815A (en) | 2018-12-27 | 2018-12-27 | A kind of novel HDPE winding structure pipe and its manufacture craft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109488815A true CN109488815A (en) | 2019-03-19 |
Family
ID=65712566
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811609992.2A Pending CN109488815A (en) | 2018-12-27 | 2018-12-27 | A kind of novel HDPE winding structure pipe and its manufacture craft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109488815A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110541981A (en) * | 2019-09-30 | 2019-12-06 | 湖北中塑管业有限公司 | High density polyethylene HDPE winding structure wall Q type pipe |
| CN111055482A (en) * | 2019-06-04 | 2020-04-24 | 安徽富通塑业科技有限公司 | Preparation process of HDPE winding reinforced structural wall B-shaped pipe |
| CN113024930A (en) * | 2021-04-08 | 2021-06-25 | 四川潽鑫科技集团有限公司 | MPHDPE winding structure wall pipe and processing technology thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09314674A (en) * | 1996-05-24 | 1997-12-09 | Aron Kasei Co Ltd | Electric fusion joint, its production and electric fusion bonding method by electric fusion joint |
| CN201003655Y (en) * | 2006-05-08 | 2008-01-09 | 临沂市大通塑料管材有限公司 | Steel band reinforced polyethylene spiral corrugated pipe |
| CN102384318A (en) * | 2011-10-24 | 2012-03-21 | 韩路平 | Wall tube with reinforced polyethylene-wound structure as well as manufacturing device and manufacturing method thereof |
| CN103423522A (en) * | 2013-04-23 | 2013-12-04 | 杭州联通管业有限公司 | Large-diameter reinforced composite polyethylene winding structure wall tube and manufacture process thereof |
| CN104118122A (en) * | 2013-04-27 | 2014-10-29 | 青岛威尔塑料机械有限公司 | Production technology for large-diameter polyethylene winding-structure pressure pipe |
| CN209977467U (en) * | 2018-12-27 | 2020-01-21 | 广东三凌塑料管材有限公司 | Novel HDPE winding arrangement wall pipe |
-
2018
- 2018-12-27 CN CN201811609992.2A patent/CN109488815A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09314674A (en) * | 1996-05-24 | 1997-12-09 | Aron Kasei Co Ltd | Electric fusion joint, its production and electric fusion bonding method by electric fusion joint |
| CN201003655Y (en) * | 2006-05-08 | 2008-01-09 | 临沂市大通塑料管材有限公司 | Steel band reinforced polyethylene spiral corrugated pipe |
| CN102384318A (en) * | 2011-10-24 | 2012-03-21 | 韩路平 | Wall tube with reinforced polyethylene-wound structure as well as manufacturing device and manufacturing method thereof |
| CN103423522A (en) * | 2013-04-23 | 2013-12-04 | 杭州联通管业有限公司 | Large-diameter reinforced composite polyethylene winding structure wall tube and manufacture process thereof |
| CN104118122A (en) * | 2013-04-27 | 2014-10-29 | 青岛威尔塑料机械有限公司 | Production technology for large-diameter polyethylene winding-structure pressure pipe |
| CN209977467U (en) * | 2018-12-27 | 2020-01-21 | 广东三凌塑料管材有限公司 | Novel HDPE winding arrangement wall pipe |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111055482A (en) * | 2019-06-04 | 2020-04-24 | 安徽富通塑业科技有限公司 | Preparation process of HDPE winding reinforced structural wall B-shaped pipe |
| CN110541981A (en) * | 2019-09-30 | 2019-12-06 | 湖北中塑管业有限公司 | High density polyethylene HDPE winding structure wall Q type pipe |
| CN113024930A (en) * | 2021-04-08 | 2021-06-25 | 四川潽鑫科技集团有限公司 | MPHDPE winding structure wall pipe and processing technology thereof |
| CN113024930B (en) * | 2021-04-08 | 2022-08-12 | 四川潽鑫科技集团有限公司 | MPHDPE winding structure wall pipe and processing technology thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109488815A (en) | A kind of novel HDPE winding structure pipe and its manufacture craft | |
| CN105605338B (en) | A kind of flexible compound liner pipe connection | |
| CN111396644A (en) | Continuous fiber prepreg tape enhanced homogenization high-pressure-resistant pipeline system and manufacturing method thereof | |
| CN205207932U (en) | Inner groove electrothermal welding socket joint formula steel band bellows of heavy -calibre | |
| CN207112139U (en) | A kind of UPVC double-wall corrugated pipes | |
| CN102620090A (en) | Connecting structure of three-layer steel-plastic glass fiber composite pipe and connecting method thereof | |
| CN108194743A (en) | M types electric heating melting enhances bellows | |
| CN105257915A (en) | Large-diameter and inner groove electric heat melting socket and spigot joint type steel belt corrugated pipe and application thereof | |
| CN207112198U (en) | A kind of steel strip reinforced PE helical bellowses for being easy to connection | |
| CN109869541B (en) | Novel steel belt reinforced polyethylene spiral corrugated pipe and production process thereof | |
| CN209977467U (en) | Novel HDPE winding arrangement wall pipe | |
| CN205078934U (en) | Interior ladder way electrothermal welding socket joint formula steel band bellows of heavy -calibre | |
| CN109140059B (en) | Hollow wall pipe and manufacturing method thereof | |
| CN103090146A (en) | Poly ethylene (PE) pipeline cold joint sleeve | |
| CN206054965U (en) | A kind of PVC U double-wall corrugated pipes | |
| CN211118213U (en) | Plastic composite pipe joint | |
| CN204962068U (en) | Belted steel hoop polyethylene double -walled corrugated pipe for drainage with strengthening burying of structure | |
| CN206130403U (en) | Hot melt formula RTP high -pressure pipe joint | |
| CN209725572U (en) | Electric heating melting compound pipeline complex pipeline compensator | |
| CN207584208U (en) | A kind of construction pressure-resistant pipeline | |
| CN112856057B (en) | Continuous fiber glass fiber board stirrup pipe composite arc top triangular corrugated pipeline | |
| CN109519636A (en) | Electric heating melting compound pipeline complex pipeline compensator | |
| CN104930272A (en) | High density polyethylene pipe and manufacturing method thereof | |
| CN212643874U (en) | High-strength PVC pipeline | |
| CN204901097U (en) | Concatenation formula steel band reinforcing polyethylene helical bellows |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |