CN106051325A - Overall composite steel-plastic reinforced pipe and machining method thereof - Google Patents
Overall composite steel-plastic reinforced pipe and machining method thereof Download PDFInfo
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- CN106051325A CN106051325A CN201610349864.3A CN201610349864A CN106051325A CN 106051325 A CN106051325 A CN 106051325A CN 201610349864 A CN201610349864 A CN 201610349864A CN 106051325 A CN106051325 A CN 106051325A
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- steel
- plastic
- band
- clinkering
- wall
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L9/00—Rigid pipes
- F16L9/14—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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D23/00—Producing tubular articles
- B29D23/001—Pipes; Pipe joints
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L9/00—Rigid pipes
- F16L9/16—Rigid pipes wound from sheets or strips, with or without reinforcement
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
Abstract
The invention discloses an overall composite steel-plastic reinforced pipe and a machining method thereof. The overall composite steel-plastic reinforced pipe comprises a plastic inner wall layer, a reinforced steel core layer and a plastic outer wall layer. The reinforced steel core layer is formed by winding a special-shaped strip onto the plastic inner wall layer, and melted reinforcing holes are distributed in the special-shaped strip. Rib side walls abut against rib top walls of the special-shaped strip to form reinforcing ribs. The special-shaped strip with the cross section being in a U shape is adopted for being wound onto the inner pipe wall, so that the whole pipe is made from composite steel, and the strength and toughness of the pipe are greatly improved; every two adjacent rib side walls and the corresponding rib top walls are combined into one reinforcing rib when the special-shaped steel strip is wound, the high ring strength of the pipe is ensured, and the compression capacity of the pipe is greatly improved; and the plastic inner wall and the plastic outer wall are closely combined through the melted reinforcing holes, so that the steel strip is effectively protected, and the strength of the pipe is further improved. According to the scheme, thinner steel strips and plastic sheets can be used for achieving better pressure bearing effect of the pipe, materials are saved, and cost is reduced; and the structure of the pipe is scientific and reasonable, production and manufacturing are facilitated, the durability and practicability are high, and the market prospects are broad.
Description
Technical field
The present invention relates to pipe technology, especially plastic conduit, specifically a kind of steel plastic compount riffled tube.
Background technology
At present, all-plastic tubing and steel-plastic composite pipe instead of pipe of concrete and cast iron pipe etc. substantially, are largely used to city
Political and ideological work journey, residential quarters embedded underground draining blowdown；The pre-buried pipeline of highway；Irrigation and water conservancy irrigation water delivery, water drainage；Chemical industry,
Mine is for the conveying etc. of fluid.These novel tubes have the features such as lightweight, high pressure resistant, good toughness, construction fast life-span length,
Wherein steel-plastic composite pipe, owing to combining steel and moulding the advantage performance of bi-material, significantly reduces cost, thus in state
Inside and outside be used widely.
Also having substantial amounts of steel plastic compount Manifold technology to disclose in prior art, such as notification number is the improvement of CN201103752Y
Type metal reinforced helical bellows, notification number is the assembled steel-plastic corrugated pipe of CN202215857U.The base of these prior aries
This structure be all only at the upper composition metal steel band of ripple (i.e. reinforcing ribs) as strengthening structure, and at the non-ripple of tube wall
Place, does not has composition metal steel band.
In prior art, notification number is the utility model patent of CN202158285U, which discloses a kind of steel reinforced type steel-plastic
Composite winding pipe, including processing bar shaped steel band, heats bar shaped steel band, the bar shaped steel band two sides of heating is respectively sprayed one layer of plastics
Clad forms plastic-coated steel band, plastic-coated steel band is pressed into " Π " plastic coated steel band and by " Π " plastic
Coated steel band forms the steel reinforced type steel-plastic composite winding pipe with " Π " steel band of model structure through spiral wrap, and this pipe is not only
There is good scratch resistant, decay resistance, and there is good antistripping property and ring stiffness, the critical external compressive resistance ability of pipeline
By force.Can be applicable to municipal administration, industry, civilian, the draining of public building, drainage project, it is possible to be applied to remote water delivery and agricultural
The fields such as irrigation.But from the point of view of objectively, have the disadvantage that 1, the built-in bimetal of this technology is not successional, its
Be entirely between steel band with steel band and depend on plastic hot melten gel and carry out modular welding, PUR pad directly affect anti-outside
Pressure and ring stiffness；2, using Electrostatic Spray Technology, manufacture difficulty is big, and cost is high；3, fail to effectively form entirety, its inwall
Isolating from steel band completely in the middle of layer and outer wall layer, plastics are peeled off and will be directly affected the corrosion-resistant protection to steel band in steel band；4, should
Technology must be initially formed plastic-coated steel band and go up up-coiler spiral winding again, and plastic clad is in plant equipment winding process
Inherently sustaining damage, the scraping easily having steel is exposed, and pipeline corrosion resistance the most out is difficult to ensure.
The present invention be directed to the problems existing for above-mentioned prior art, it is provided that a kind of brand-new steel plastic compount riffled tube and
Corresponding processing method.
Summary of the invention
For the problems referred to above, it is desirable to provide a kind of pipeline entirety composite steel band, have in winding process by different
Type band and the steel reinforcing ribs that is spliced to form, the bond strength that steel band is coated in plastics can be effectively improved simultaneously
Pipe moulded by steel.
For realizing this technical purpose, the solution of the present invention is: a kind of composite reinforced pipe of overall steel-plastic, including plastic liner
Layer, this inner wall layer is mutually lapped clinkering by molten state plastic sheet-like band through spiral winding and forms, and also includes that steel strengthens sandwich layer
Constitute with plastic outer wall layer, wherein: steel enhancing sandwich layer is helically wound around on plastic liner layer by steel heterotypic strip and is formed, institute
State and enhancing clinkering hole on steel heterotypic strip, is distributed；By-level is holded up at the two ends that are shaped as of steel heterotypic strip cross section
Concave shape structure, by-level part is diapire, holding up as muscle sidewall of two ends；Each muscle sidewall towards outside heterotypic strip all
Being extended with top rib wall, the end of top rib wall is turned under prolonging Anti-dislocation docking bending；When steel heterotypic strip is wound around, the most adjacent
Muscle sidewall and top rib wall formed projection pipeline reinforcing ribs；Plastic outer wall layer covers at the steel by steel heterotypic strip coiling
Matter strengthens on sandwich layer, and steel strengthens sandwich layer and is sealed between plastic outer wall layer and plastic liner layer；Described plastic liner layer and moulding
Material outer wall layer is in strengthening at clinkering hole clinkering together.
As most preferred mode, when steel heterotypic strip is wound around, the docking bending of the most adjacent top rib wall is by weldering
Connect and be fixed together.
As most preferred mode, fill out in the most adjacent muscle sidewall and top rib wall form the pipeline reinforcing ribs of projection
Fill plastics, form the filling tack coat in rib.
As further improving, the diapire of described steel heterotypic strip is provided with the ripple struction of reinforcement, diapire transversal
Face is corrugated.
As further improving, described ripple struction is by the bending of at least one little arc and at least one big arc convex
Composition.
As further improving, described ripple struction is by the bending of at least one little arc or at least one big arc convex
Composition.
As further improving, the muscle sidewall of described steel heterotypic strip is laid with a plurality of strip groove rib, described length
Bar groove rib is all arranged to muscle top side wall direction from muscle sidewall bottom.
As further improving, enhancing clinkering hole should be distributed in the junction of muscle sidewall Yu diapire；Muscle sidewall with
The junction of top rib wall should be distributed enhancing clinkering hole.
As further improving, the foot at big arc convex should be distributed enhancing clinkering hole.
As further improving, inner wall layer there is reason molten state plastic sheet-like band be mutually lapped molten through spiral winding
The welded side seam tied and formed, the diapire cross-pressure of described steel heterotypic strip is sewed in the clinkering of plastic liner layer.
It is directed to the composite reinforced pipe of above-mentioned overall steel-plastic, present invention also offers the method processing this kind of pipeline.
One of method scheme: a kind of for processing the method for the composite reinforced pipe of overall steel-plastic as described in power 1, it is characterised in that
Following steps:
A, by plastic extrusion facility extrude molten state plastic sheet-like band, through rolling winding apparatus spiral winding, two adjacent moulding
Overlap clinkering between tablet shape band, form body plastic liner layer；
B, stamp out enhancing clinkering hole with pressing equipment relevant position on thin-walled steel band, then by thin-walled steel plate writing that surpasses all the others equipment
By curved for the thin-walled steel band heterotypic strip that is pressed into, then after steel heterotypic strip is rolled bending out radian corresponding with outer tube diameter, tightly
On the close plastic liner layer being helically wound around the formation of above-mentioned a step, the docking of the most adjacent steel heterotypic strip bends through correspondence
Spill pinch roller location and strengthen clinkering hole against, steel heterotypic strip diapire and the occlusion of semi-molten state plastic liner layer makes steel different
Type band is fixed, and makes steel band shape all-in-one-piece steel strengthen sandwich layer；
C, extruded molten state plastic sheet-like band by plastic extrusion facility, cover and also strengthen sandwich layer through pinch roller spreading at steel
Upper formation plastic outer wall layer；Molten state plastic sheet-like band enhanced clinkering hole and plastic liner layer clinkering；
Wherein: the steel heterotypic strip in b step need to be wound around up when the plastic sheet in a step not yet hardens.
The two of method scheme: a kind of for processing the method for the composite reinforced pipe of overall steel-plastic as described in power 2, it is characterised in that
Following steps:
A, by plastic extrusion facility extrude molten state plastic sheet-like band, through rolling winding apparatus spiral winding, two adjacent moulding
Overlap clinkering between tablet shape band, form body plastic liner layer；
B, stamp out enhancing clinkering hole with pressing equipment relevant position on thin-walled steel band, then by thin-walled steel plate writing that surpasses all the others equipment
By curved for the thin-walled steel band heterotypic strip that is pressed into, then after steel heterotypic strip is rolled bending out radian corresponding with outer tube diameter, tightly
On the close plastic liner layer being helically wound around the formation of above-mentioned a step, the docking of the most adjacent steel heterotypic strip bends through correspondence
Spill pinch roller location and in close proximity to, docking bending against part again through argon arc welding device firm welding, make steel band
Shape all-in-one-piece steel strengthens sandwich layer；
C, extruded molten state plastic sheet-like band by plastic extrusion facility, cover and also strengthen sandwich layer through pinch roller spreading at steel
Upper formation plastic outer wall layer；Molten state plastic sheet-like band enhanced clinkering hole and plastic liner layer clinkering；
Wherein: the steel heterotypic strip in b step need to be wound around up when the plastic sheet in a step not yet hardens.
The three of method scheme: a kind of for processing the method for the composite reinforced pipe of overall steel-plastic as described in power 3, it is characterised in that
Following steps:
A, by plastic extrusion facility extrude molten state plastic sheet-like band, through rolling winding apparatus spiral winding, two adjacent moulding
Overlap clinkering between tablet shape band, form body plastic liner layer；
B, stamp out enhancing clinkering hole with pressing equipment relevant position on thin-walled steel band, then by thin-walled steel plate writing that surpasses all the others equipment
By curved for the thin-walled steel band heterotypic strip that is pressed into, then after steel heterotypic strip is rolled bending out radian corresponding with outer tube diameter, tightly
On the close plastic liner layer being helically wound around the formation of above-mentioned a step more adjacent from this with plastic extrusion facility extrusion molten plastic
Docking bending fill tack coat in close proximity to being formed in flow in pipes reinforcing ribs in front gap, the most adjacent steel is special-shaped
The docking bending of band through corresponding spill pinch roller location in close proximity to, shape all-in-one-piece steel strengthens sandwich layer；
C, extruded molten state plastic sheet-like band by plastic extrusion facility, cover and also strengthen sandwich layer through pinch roller spreading at steel
Upper formation plastic outer wall layer；Molten state plastic sheet-like band enhanced clinkering hole and plastic liner layer and filling plastic tack coat are melted
Knot；
Wherein: the steel heterotypic strip in b step need to be wound around up when the plastic sheet in a step not yet hardens.
In above processing scheme, further, in described b step, by pressing equipment corresponding positions on thin-walled steel band
Put while stamping out enhancing clinkering hole, also stamp out strip groove rib in relevant position.
The invention has the beneficial effects as follows: the profiled strip using cross section to be concave character type is wound on inside pipe wall so that pipe
The overall all bimetals in road, enhance the toughness of pipeline greatly；Especially the most adjacent during profiled strip spiral winding
Muscle sidewall and top rib wall merge formation reinforcing ribs cleverly, it is ensured that pipeline has high ring stiffness, and pipeline is greatly improved
Compression capability and practicality；The problem of the steel band that is prevented effectively from especially of design and plastic layer conjugation that strengthen clinkering hole causes
Separation moulded by steel, and plastics inside and outside wall closely merges through clinkering hole, is not only effectively protected steel band, further improves pipeline
Intensity；This programme can reach bigger pressure-bearing effect with the steel of thinner walls and plastic layer, saves material, reduces further
Material cost；The pipeline configuration of the present invention is scientific and reasonable, it is simple to manufacture, and durability high practicability is strong, wide market.
Accompanying drawing explanation
Fig. 1 is the partial axial section structure chart of the steel plastic compount riffled tube of the present invention；
Fig. 2 is the aminoacyl site enlarged drawing of most preferred embodiment in Fig. 1；
Fig. 3 is the B position enlarged drawing of most preferred embodiment in Fig. 1；
Fig. 4 is the steel heterotypic strip cross-sectional structure figure of embodiment one in the present invention；
Fig. 5 is the steel heterotypic strip expanded view of embodiment one in the present invention；
Fig. 6 be embodiment one in the present invention steel heterotypic strip launch after cross-sectional view；
Fig. 7 is the schematic diagram that in the present invention, two adjacent steel heterotypic strips form reinforcing ribs；
Fig. 8 is the aminoacyl site enlarged drawing of the another kind of embodiment of Fig. 1 in the present invention；
Fig. 9 is the steel heterotypic strip cross-sectional structure figure of the embodiment of the present invention two；
Figure 10 is the steel heterotypic strip cross-sectional structure figure of the embodiment of the present invention three.
Detailed description of the invention
With specific embodiment, the present invention is described in further details below in conjunction with the accompanying drawings.
The present invention is a kind of composite reinforced pipe of overall steel-plastic, and this kind of pipeline is that plastics are made, and in order to improve the property such as intensity
Can, being structurally combined increase has steel material, and specifically used plastic type and steel type all can be by people in the art
Member selectes according to prior art and performance requirement, and it is main for selecting rustless steel on steel, has etch-proof effect, certainly, adopts
It also it is equivalent by other material.
In a particular embodiment, as illustrated in fig. 1 and 2, the pipeline of the present invention includes plastic liner layer 1, this inner wall layer by
Molten state plastic sheet-like band is mutually lapped clinkering through spiral winding and forms, and this overlap joint fusion technology is prior art, at this
It is not set forth in detail in literary composition；The pipeline of the present invention also includes that steel strengthens sandwich layer 2 and plastic outer wall layer 3 is constituted, wherein:
Steel enhancing sandwich layer 2 in the present invention is helically wound around on plastic liner layer 1 by steel heterotypic strip and is formed, described
Enhancing clinkering hole 25 is distributed on steel heterotypic strip；Strengthen clinkering hole 25 to further enhance steel heterotypic strip and plastics
Bond strength between inner wall layer 1 and plastic outer wall layer 2, plastic liner layer 1 can partly press the described enhancing of embedding when no hardening
Clinkering hole 25, plastics pressure embeds in strengthening clinkering hole 25 and forms the evagination towards plastic outer wall layer 3, secures steel heterotypic strip
, when plastic outer wall layer 3 extruding is layed in steel heterotypic strip, inside and outside plastics, parietal layer is just by this enhancing clinkering hole 25 clinkering
Tightly combine together, be not easily stripped so that steel heterotypic strip avoids the stripping covered because of plastics and may cause
Corrosion, the most also stabilizes the stability between steel heterotypic strip and plastics inside and outside wall, and beneficially pipeline is overall
Uniform force, improves intensity and the ruggedness of pipeline.
The concave shape structure of by-level is holded up at the two ends that are shaped as of the steel heterotypic strip cross section in the present invention, such as figure
4, shown in 9,10, its middle horizontal component is diapire, holding up as muscle sidewall 21 of two ends；Each muscle sidewall 21 is towards special-shaped strip
All being extended with top rib wall 22 outside material, the end of top rib wall 22 is turned under prolonging has Anti-dislocation to dock bending 23；Steel heterotypic strip
During winding, the most adjacent muscle sidewall 21 and top rib wall 22 merge formation pipeline reinforcing ribs 5 cleverly, as it is shown in fig. 7, strengthen
Rib 5 guarantees that pipeline has high ring stiffness, and pipeline compression capability and practicality are greatly improved；The docking of described Anti-dislocation is curved
The effect of folding 23 is very big, and it is mainly used for during forming reinforcing ribs 5, when top rib wall 22 merges docking, unlikely
Do not become reinforcing ribs 5 in the stacking of dislocation up and down of adjacent top rib wall, and only top rib wall 22 is curved in Anti-dislocation docking
Under the effect of folding 23, could the most mutually put forth effort docking, it is simple to form stable reinforcing ribs stress cavity body structure.
In a preferred embodiment, because the sheet metal manufacture that steel heterotypic strip uses, preferable in order to ensure muscle sidewall
Upright and be not easy to frill that (gauffer can change shape and the height of reinforcement, even results in defect ware, directly affects product
Quality), the muscle sidewall 21 of described steel heterotypic strip is laid with a plurality of strip groove rib 26, as illustrated in Figures 5 and 6, institute
State strip groove rib 26 all to arrange to muscle top side wall direction from muscle sidewall bottom, certainly, the protrusion direction of described strip groove rib 26
Can be arbitrary, its shape can also be those skilled in the art it is conceivable that other arbitrary shapes, as long as contribute to
Muscle sidewall 21 is upright and is not easy to frill the most permissible.
Plastic outer wall layer 3 covers and is being strengthened on sandwich layer 2 by the steel of steel heterotypic strip coiling, and it is close that steel strengthens sandwich layer 2
It is encapsulated between plastic outer wall layer 3 and plastic liner layer 1, effectively steel is strengthened sandwich layer 2 and isolates from corrosion-prone environment, it is ensured that
The durable degree of tubing；Described plastic liner layer 1 and plastic outer wall layer 3 are in strengthening at clinkering hole together with clinkering.
About there being at least following four embodiment at reinforcing ribs 5:
As shown in Figure 8, the most adjacent muscle sidewall 21 and top rib wall 22 merge formation pipe to the first embodiment cleverly
Road reinforcing ribs 5, the most directly covers plastic outer wall layer, and reinforcing ribs is hollow structure, the most adjacent Anti-dislocation docking
Being left intact between bending 23, both are leaning closely against together, plastic outer wall layer fix.
The second embodiment, is on the basis of the first embodiment above-mentioned, by the docking of the most adjacent top rib wall 22
Bending 23 is welded and fixed together, and reinforcing ribs is hollow structure.
The third embodiment, as shown in Figures 2 and 3, forms projection at the most adjacent muscle sidewall 21 and top rib wall 22
Filled plastics in pipeline reinforcing ribs 5, form the filling tack coat 4 in rib, the most adjacent Anti-dislocation docking bending 23 it
Between be left intact, both are leaning closely against together, plastic outer wall layer and fixing tack coat of filling fix.
4th kind of embodiment, is also optimal embodiment, forms projection at the most adjacent muscle sidewall 21 and top rib wall 22
Pipeline reinforcing ribs 5 in filled plastics, form the filling tack coat 4 in rib, then right by the most adjacent top rib wall 22
Connect bending 23 to be welded and fixed together.
In order to further enhance the intensity of pipeline, in the preferred embodiment, the diapire of steel heterotypic strip is provided with reinforcement
Ripple struction, the cross section of diapire is corrugated, as shown in Fig. 4,9,10.Concrete, described ripple struction can be by extremely
Few little arc bending 242 and at least one big arc convex 241 form, as shown in Figure 3；Can also be only by least
One little arc bending 242 composition, as shown in Figure 9；Can also be only to be made up of at least one big arc convex 241, as
Shown in Figure 10；Certainly, according to specific design needs, it is also possible to be the structure of other shapes, as protruding in triangle or trapezoidal projection
Etc., belong to usually replace.
In order to ensure the stability of muscle sidewall, when design, it is molten that muscle sidewall 21 and the junction of diapire should be distributed enhancing
Knot hole 25；Enhancing clinkering hole 25 should be distributed, in the foot of big arc convex 241 in the junction of muscle sidewall 21 with top rib wall 22
Enhancing clinkering hole 25 should be distributed；The purpose of do so is to further enhance rib and the stability of big arc projection, improves body
Compressive strength.
For preferably protecting the structure of body, inner wall layer 1 there is molten state plastic sheet-like band take mutually through spiral winding
The welded side seam 11 connecing clinkering and formed, and this position also tends to be the position that stress is more fragile, described steel heterotypic strip
Diapire cross-pressure stitch on 11 in the clinkering of plastic liner layer, such clinkering is stitched would not be by axial tensile force at 11, this mode
Without excessively increasing the intensity of clinkering seam 11, reduce manufacturing cost and difficulty of processing.
It is directed to the composite reinforced pipe of above-mentioned overall steel-plastic, present invention also offers the method processing this kind of pipeline.
One of method scheme:
A, by plastic extrusion facility extrude molten state plastic sheet-like band, through rolling winding apparatus spiral winding, two adjacent moulding
Overlap clinkering between tablet shape band, form body plastic liner layer；
B, with pressing equipment relevant position on thin-walled steel band stamp out enhancing clinkering hole, as shown in Figure 5, then by thin-walled
Steel plate writing that surpasses all the others equipment by curved for the thin-walled steel band heterotypic strip that is pressed into, then steel heterotypic strip is rolled bend out corresponding to outer tube diameter
Radian after, closing twist be wound in above-mentioned a step formed plastic liner layer on, the docking of the most adjacent steel heterotypic strip
Bend through corresponding spill pinch roller location against, steel heterotypic strip diapire strengthens clinkering hole and semi-molten state plastic liner layer is stung
Conjunction makes steel heterotypic strip be fixed, and makes steel band shape all-in-one-piece steel strengthen sandwich layer；
C, extruded molten state plastic sheet-like band by plastic extrusion facility, cover and also strengthen sandwich layer through pinch roller spreading at steel
Upper formation plastic outer wall layer；Molten state plastic sheet-like band enhanced clinkering hole and plastic liner layer clinkering；
Wherein: the steel heterotypic strip in b step need to be wound around up when the plastic sheet in a step not yet hardens.
In above processing scheme, further, in described b step, by pressing equipment corresponding positions on thin-walled steel band
Put while stamping out enhancing clinkering hole, also stamp out strip groove rib in relevant position.
The two of method scheme:
A, by plastic extrusion facility extrude molten state plastic sheet-like band, through rolling winding apparatus spiral winding, two adjacent moulding
Overlap clinkering between tablet shape band, form body plastic liner layer；
B, stamp out enhancing clinkering hole with pressing equipment relevant position on thin-walled steel band, then by thin-walled steel plate writing that surpasses all the others equipment
By curved for the thin-walled steel band heterotypic strip that is pressed into, then after steel heterotypic strip is rolled bending out radian corresponding with outer tube diameter, tightly
On the close plastic liner layer being helically wound around the formation of above-mentioned a step, the docking of the most adjacent steel heterotypic strip bends through correspondence
Spill pinch roller location and in close proximity to, docking bending against part again through argon arc welding device firm welding, make steel band
Shape all-in-one-piece steel strengthens sandwich layer；
C, extruded molten state plastic sheet-like band by plastic extrusion facility, cover and also strengthen sandwich layer through pinch roller spreading at steel
Upper formation plastic outer wall layer；Molten state plastic sheet-like band enhanced clinkering hole and plastic liner layer clinkering；
Wherein: the steel heterotypic strip in b step need to be wound around up when the plastic sheet in a step not yet hardens.
In above processing scheme, further, in described b step, by pressing equipment corresponding positions on thin-walled steel band
Put while stamping out enhancing clinkering hole, also stamp out strip groove rib in relevant position.
The three of method scheme:
A, by plastic extrusion facility extrude molten state plastic sheet-like band, through rolling winding apparatus spiral winding, two adjacent moulding
Overlap clinkering between tablet shape band, form body plastic liner layer；
B, stamp out enhancing clinkering hole with pressing equipment relevant position on thin-walled steel band, then by thin-walled steel plate writing that surpasses all the others equipment
By curved for the thin-walled steel band heterotypic strip that is pressed into, then after steel heterotypic strip is rolled bending out radian corresponding with outer tube diameter, tightly
On the close plastic liner layer being helically wound around the formation of above-mentioned a step more adjacent from this with plastic extrusion facility extrusion molten plastic
Docking bending fill tack coat in close proximity to being formed in flow in pipes reinforcing ribs in front gap, the most adjacent steel is special-shaped
The docking bending of band through corresponding spill pinch roller location in close proximity to, shape all-in-one-piece steel strengthens sandwich layer；
C, extruded molten state plastic sheet-like band by plastic extrusion facility, cover and also strengthen sandwich layer through pinch roller spreading at steel
Upper formation plastic outer wall layer；Molten state plastic sheet-like band enhanced clinkering hole and plastic liner layer and filling plastic tack coat are melted
Knot；
Wherein: the steel heterotypic strip in b step need to be wound around up when the plastic sheet in a step not yet hardens.
In above processing scheme, further, in described b step, by pressing equipment corresponding positions on thin-walled steel band
Put while stamping out enhancing clinkering hole, also stamp out strip groove rib in relevant position.
The ultimate principle of the present invention, principal character and advantages of the present invention have more than been shown and described.The technology of the industry
Personnel, it should be appreciated that the present invention is not restricted to the described embodiments, simply illustrating this described in above-described embodiment and description
The principle of invention, without departing from the spirit and scope of the present invention, the present invention also has various changes and modifications, and these become
Change and improvement both falls within scope of the claimed invention.Claimed scope by appending claims and
Equivalent defines.
Claims (15)
1. the composite reinforced pipe of overall steel-plastic, including plastic liner layer, this inner wall layer by molten state plastic sheet-like band through spiral shell
Rotation winding is mutually lapped clinkering and forms, it is characterised in that: riffled tube also includes that steel strengthens sandwich layer and plastic outer wall layer is constituted, its
In:
Steel enhancing sandwich layer is helically wound around on plastic liner layer by steel heterotypic strip and is formed, and described steel heterotypic strip divides
It is furnished with enhancing clinkering hole；
The concave shape structure of by-level is holded up at the two ends that are shaped as of steel heterotypic strip cross section, and by-level part is the end
Wall, holding up as muscle sidewall of two ends；Each muscle sidewall is all extended with top rib wall outside heterotypic strip, the end of top rib wall to
Under curved prolong have Anti-dislocation docking bending；
When steel heterotypic strip is wound around, the most adjacent muscle sidewall and top rib wall form the pipeline reinforcing ribs of projection；
Plastic outer wall layer covers and is being strengthened on sandwich layer by the steel of steel heterotypic strip coiling, and steel strengthens sandwich layer and is sealed in plastics
Between outer wall layer and plastic liner layer；Described plastic liner layer and plastic outer wall layer are in strengthening at clinkering hole together with clinkering.
The composite reinforced pipe of overall steel-plastic the most according to claim 1, it is characterised in that: at the most adjacent muscle sidewall and muscle
Roof forms filled plastics in protruding pipeline reinforcing ribs, forms the filling tack coat in rib.
The composite reinforced pipe of overall steel-plastic the most according to claim 1, it is characterised in that: the docking of the most adjacent top rib wall
Bending is fixed together by welding.
The composite reinforced pipe of overall steel-plastic the most according to claim 2, it is characterised in that: the docking of the most adjacent top rib wall
Bending is fixed together by welding.
The composite reinforced pipe of overall steel-plastic the most according to any one of claim 1 to 4, it is characterised in that: described steel is different
The diapire of type band is provided with the ripple struction of reinforcement, and the cross section of diapire is corrugated.
The composite reinforced pipe of overall steel-plastic the most according to claim 5, it is characterised in that: described ripple struction is by least one
The bending of little arc and at least one big arc convex form.
The composite reinforced pipe of overall steel-plastic the most according to claim 5, it is characterised in that: described ripple struction is by least one
The bending of little arc or at least one big arc convex composition.
The composite reinforced pipe of overall steel-plastic the most according to any one of claim 1 to 4, it is characterised in that: described steel is different
The muscle sidewall of type band is laid with a plurality of strip groove rib, described strip groove rib all from muscle sidewall bottom to muscle top side wall direction
Arrange.
The composite reinforced pipe of overall steel-plastic the most according to any one of claim 1 to 4, it is characterised in that: muscle sidewall with
The junction of diapire should be distributed enhancing clinkering hole；Enhancing clinkering hole should be distributed in the junction of muscle sidewall Yu top rib wall.
The composite reinforced pipe of overall steel-plastic the most according to claim 6, it is characterised in that: the foot at big arc convex should
Enhancing clinkering hole is distributed.
The 11. composite reinforced pipes of overall steel-plastic according to any one of claim 1 to 4, it is characterised in that: have in inner wall layer
The welded side seam that molten state plastic sheet-like band is mutually lapped clinkering through spiral winding and is formed, the diapire of described steel heterotypic strip
Cross-pressure is sewed in the clinkering of plastic liner layer.
12. 1 kinds for processing method of the composite reinforced pipe of overall steel-plastic as described in power 1, it is characterised in that following steps:
A, by plastic extrusion facility extrude molten state plastic sheet-like band, through rolling winding apparatus spiral winding, two adjacent plastic sheets
Overlap clinkering between shape band, form body plastic liner layer；
B, stamp out enhancing clinkering hole with pressing equipment relevant position on thin-walled steel band, then by thin-walled steel plate writing that surpasses all the others equipment by thin
The curved heterotypic strip that is pressed into of wall steel band, then after steel heterotypic strip is rolled bending out radian corresponding with outer tube diameter, tight spiral shell
Rotation is wound on the plastic liner layer that above-mentioned a step is formed, and the docking bending of the most adjacent steel heterotypic strip is through corresponding spill
Pinch roller location and strengthen clinkering hole against, steel heterotypic strip diapire and the occlusion of semi-molten state plastic liner layer makes steel special-shaped strip
Material is fixed, and makes steel band shape all-in-one-piece steel strengthen sandwich layer；
C, extruded molten state plastic sheet-like band by plastic extrusion facility, cover and also strengthen shape on sandwich layer through pinch roller spreading at steel
Become plastic outer wall layer；Molten state plastic sheet-like band enhanced clinkering hole and plastic liner layer clinkering；
Wherein: the steel heterotypic strip in b step need to be wound around up when the plastic sheet in a step not yet hardens.
13. 1 kinds for processing method of the composite reinforced pipe of overall steel-plastic as described in power 2, it is characterised in that following steps:
A, by plastic extrusion facility extrude molten state plastic sheet-like band, through rolling winding apparatus spiral winding, two adjacent plastic sheets
Overlap clinkering between shape band, form body plastic liner layer；
B, stamp out enhancing clinkering hole with pressing equipment relevant position on thin-walled steel band, then by thin-walled steel plate writing that surpasses all the others equipment by thin
The curved heterotypic strip that is pressed into of wall steel band, then after steel heterotypic strip is rolled bending out radian corresponding with outer tube diameter, tight spiral shell
Rotation is wound on the plastic liner layer that above-mentioned a step is formed, and the docking bending of the most adjacent steel heterotypic strip is through corresponding spill
Pinch roller location and in close proximity to, docking bending against part again through argon arc welding device firm welding, make steel band be formed
The steel of one strengthens sandwich layer；
C, extruded molten state plastic sheet-like band by plastic extrusion facility, cover and also strengthen shape on sandwich layer through pinch roller spreading at steel
Become plastic outer wall layer；Molten state plastic sheet-like band enhanced clinkering hole and plastic liner layer clinkering；
Wherein: the steel heterotypic strip in b step need to be wound around up when the plastic sheet in a step not yet hardens.
14. 1 kinds for processing method of the composite reinforced pipe of overall steel-plastic as described in power 3, it is characterised in that following steps:
A, by plastic extrusion facility extrude molten state plastic sheet-like band, through rolling winding apparatus spiral winding, two adjacent plastic sheets
Overlap clinkering between shape band, form body plastic liner layer；
B, stamp out enhancing clinkering hole with pressing equipment relevant position on thin-walled steel band, then by thin-walled steel plate writing that surpasses all the others equipment by thin
The curved heterotypic strip that is pressed into of wall steel band, then after steel heterotypic strip is rolled bending out radian corresponding with outer tube diameter, tight spiral shell
Rotation is wound on the plastic liner layer that above-mentioned a step is formed, more adjacent right from this with plastic extrusion facility extrusion molten plastic
Connect bending and fill tack coat, the most adjacent steel heterotypic strip in close proximity to being formed in flow in pipes reinforcing ribs in front gap
Docking bending through corresponding spill pinch roller location in close proximity to, shape all-in-one-piece steel strengthens sandwich layer；
C, extruded molten state plastic sheet-like band by plastic extrusion facility, cover and also strengthen shape on sandwich layer through pinch roller spreading at steel
Become plastic outer wall layer；Molten state plastic sheet-like band enhanced clinkering hole and plastic liner layer and filling plastic tack coat clinkering；
Wherein: the steel heterotypic strip in b step need to be wound around up when the plastic sheet in a step not yet hardens.
15. according to the method processing the composite reinforced pipe of overall steel-plastic according to any one of claim 12 to 14, and its feature exists
In: in described b step, while stamp out enhancing clinkering hole with pressing equipment relevant position on thin-walled steel band, also at this
On thin-walled steel band, relevant position stamps out strip groove rib.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112873789A (en) * | 2020-12-28 | 2021-06-01 | 江西昌鸿管业有限公司 | Double-wave-crest lining ribbed pipe and processing technology |
| CN113236872A (en) * | 2021-05-27 | 2021-08-10 | 云南益华管道科技有限公司 | Steel strip welding framework mesh composite spiral corrugated pipe and production device thereof |
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| CN113236872A (en) * | 2021-05-27 | 2021-08-10 | 云南益华管道科技有限公司 | Steel strip welding framework mesh composite spiral corrugated pipe and production device thereof |
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| CN106051325B (en) | 2019-03-19 |
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