CN106051325B - The composite reinforced pipe of overall steel-plastic and its processing method - Google Patents
The composite reinforced pipe of overall steel-plastic and its processing method Download PDFInfo
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- CN106051325B CN106051325B CN201610349864.3A CN201610349864A CN106051325B CN 106051325 B CN106051325 B CN 106051325B CN 201610349864 A CN201610349864 A CN 201610349864A CN 106051325 B CN106051325 B CN 106051325B
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- band
- clinkering
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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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L9/00—Rigid pipes
- F16L9/16—Rigid pipes wound from sheets or strips, with or without reinforcement
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
Abstract
The invention discloses a kind of composite reinforced pipe of overall steel-plastic and its processing methods, including plastic liner layer, steel enhancing sandwich layer and plastic outer wall layer, steel enhancing sandwich layer is wound on plastic liner layer by the heterotypic strip that enhancing clinkering hole is distributed with and is formed, and the muscle side wall and top rib wall of heterotypic strip, which abut, forms reinforcing ribs.The present invention uses cross section to be wound on inside pipe wall for the profiled strip of concave character type, so that the whole equal bimetal of pipeline, greatly enhances pipeline toughness；Muscle side wall and top rib wall adjacent two-by-two merge to form reinforcing ribs when profiled strip is wound, it is ensured that the high ring rigidity of pipeline greatly improves pipeline compression capability；Enhancing clinkering hole merges plastics inside and outside wall closely, not only effective protection steel band, further raising pipeline strength；This programme can realize the bigger pressure-bearing effect of pipeline with thinner steel band and plastic sheet, and saving material reduces cost；Its is scientific and reasonable for structure, and manufacture easy to produce, durability high practicability is strong, wide market.
Description
Technical field
The present invention relates to pipe technology, especially plastic conduit, specifically a kind of steel plastic compount riffled tube.
Background technique
Currently, all-plastic tubing and steel-plastic composite pipe are largely used to city substantially instead of pipe of concrete and cast iron pipe etc.
Political and ideological work journey, residential quarters embedded underground drain blowdown；The pre-buried pipeline of highway；Irrigation and water conservancy irrigation water delivery, water drainage；Chemical industry,
Mine is used for the conveying etc. of fluid.These novel tubes have the characteristics that light-weight, high pressure resistant, good toughness, construction fast service life are long,
Wherein steel-plastic composite pipe significantly reduces cost due to the advantage performance for combining steel with moulding two kinds of materials, thus in state
It is inside and outside to be used widely.
Also there is a large amount of steel plastic compount Manifold technology to disclose in the prior art, the improvement that such as notification number is CN201103752Y
Type metal reinforced helical bellows, notification number are the assembled steel-plastic corrugated pipe of CN202215857U.The base of these prior arts
This structure is all that only composition metal steel band is as enhancing structure in ripple (i.e. reinforcing ribs), and in the non-ripple of tube wall
Place, does not have composition metal steel band.
Notification number is the utility model patent of CN202158285U in the prior art, and which disclose a kind of steel reinforced type steel-plastics
Composite winding pipe respectively sprays one layer of plastics including processing bar shaped steel band, by the heating of bar shaped steel band, by the bar shaped steel band two sides of heating
Plastic-coated steel band is pressed into " Π " plastic coated steel band and by " Π " plastic by clad layer-forming plastic-coated steel band
Coated steel band forms the steel reinforced type steel-plastic composite winding pipe fall with " Π " fashioned iron band structure through spiral wrap, and the pipe is not only
With good scratch resistant, corrosion resistance, and there is good antistripping property and ring stiffness, the critical external compressive resistance ability of pipeline
By force.It can be applied to municipal, industrial, civilian, public building draining, drainage project, can also 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 the 1, technology built-in bimetal not be it is successional,
It is entirely that modular welding is carried out dependent on plastic hot melt glue between steel band and steel band, hot melt adhesive pad directly affects anti-outer
Pressure and ring stiffness；2, using Electrostatic Spray Technology, manufacture difficulty is big, at high cost；3, fail to effectively form entirety, inner wall
Steel band is isolated from completely among layer and outer wall layer, and plastics removing will directly affect corrosion-resistant protection to steel band in steel band；4, should
Technology must be initially formed plastic-coated steel band upper up- coiler spiral winding again, and plastic clad is in mechanical equipment winding process
It is inherently damaged, the scraping for being easy steel is exposed, and the pipeline corrosion resistance come out in this way is difficult to ensure.
The present invention be directed to problems present in the above-mentioned prior art, provide a kind of completely new steel plastic compount riffled tube and
Corresponding processing method.
Summary of the invention
In view of the above-mentioned problems, the present invention is intended to provide a kind of pipeline entirety composite steel band, has in winding process by different
Type band and the steel reinforcing ribs that are spliced to form, while the bond strength that steel band is coated in plastics can be effectively improved
Steelplastic pipe.
To realize the technical purpose, the scheme of the invention is: a kind of composite reinforced pipe of overall steel-plastic, including plastic liner
Layer, the inner wall layer are mutually lapped clinkering through spiral winding by molten state plastic sheet-like band and form, and further include steel enhancing sandwich layer
It is constituted with plastic outer wall layer, in which: steel enhancing sandwich layer is helically wound around on plastic liner layer by steel heterotypic strip to be formed, institute
It states and enhancing clinkering hole is distributed on steel heterotypic strip；The shape of steel heterotypic strip cross section is that by-level is holded up at both ends
Concave-shaped structure, by-level part are bottom wall, and both ends are holded up as muscle side wall；Each muscle side wall is equal towards heterotypic strip outside
It is extended with top rib wall, the end of top rib wall, which is turned under to prolong, Anti-dislocation docking bending；It is adjacent two-by-two when steel heterotypic strip is wound
Muscle side wall and top rib wall formed protrusion pipeline reinforcing ribs；Plastic outer wall layer is covered on by the steel of steel heterotypic strip coiling
Matter enhances on sandwich layer, and steel enhancing sandwich layer is sealed between plastic outer wall layer and plastic liner layer；The plastic liner layer and modeling
Expect outer wall layer in enhancing clinkering hole at clinkering together.
As most preferred mode, when steel heterotypic strip is wound, the docking bending of adjacent top rib wall passes through weldering two-by-two
It connects and is fixed together.
As most preferred mode, filled out in the pipeline reinforcing ribs that adjacent two-by-two muscle side wall and top rib wall form protrusion
Plastics are filled, the filling adhesive layer in rib is formed.
As a further improvement, the bottom wall of the steel heterotypic strip be equipped with reinforce ripple struction, bottom wall it is transversal
Face is corrugated.
As a further improvement, the ripple struction small is bent in an arc shape and at least one big arc convex by least one
Composition.
As a further improvement, the ripple struction small is bent in an arc shape or at least one big arc convex by least one
Composition.
As a further improvement, the muscle side wall of the steel heterotypic strip is laid with a plurality of strip grooves ribs, the length
Bar groove rib is arranged from muscle sidewall bottom to muscle top side wall direction.
As a further improvement, enhancing clinkering hole should be distributed in the junction of muscle side wall and bottom wall；Muscle side wall with
Enhancing clinkering hole should be distributed in the junction of top rib wall.
As a further improvement, enhancing clinkering hole should be distributed in the foot of big arc convex.
As a further improvement, reason molten state plastic sheet-like band is mutually lapped in inner wall layer through spiral winding molten
The welded side seam tied and formed, the bottom wall cross-pressure of the steel heterotypic strip are sewed in the clinkering of plastic liner layer.
It is directed to the composite reinforced pipe of above-mentioned overall steel-plastic, the present invention also provides the methods for processing this kind of pipeline.
One of method scheme: a method of for processing the composite reinforced pipe of overall steel-plastic as described in power 1, it is characterised in that
Following steps:
A, molten state plastic sheet-like band is squeezed out by plastic extrusion facility, is rolled around equipment spiral winding, two adjacent modelings
Clinkering is overlapped between tablet shape band, forms tube body plastic liner layer；
B, enhancing clinkering hole is stamped out in corresponding position on Steel Thin-Wall band with stamping equipment, then by thin-walled steel plate writing that surpasses all the others equipment
Heterotypic strip is pressed by Steel Thin-Wall band is curved, then after steel heterotypic strip rolled being bent out radian corresponding with outer tube diameter, tightly
Close to be helically wound around on the plastic liner layer that above-mentioned a step is formed, the docking of adjacent steel heterotypic strip is bent through correspondence two-by-two
Spill pinch roller is positioned and is abutted, and steel heterotypic strip bottom wall enhancing clinkering hole and the occlusion of semi-molten state plastic liner layer keep steel different
Type band is fixed, and steel band is made to form integrated steel enhancing sandwich layer；
C, molten state plastic sheet-like band is squeezed out by plastic extrusion facility, cover and enhances sandwich layer in steel through pinch roller spreading
Upper formation plastic outer wall layer；The enhanced clinkering hole of molten state plastic sheet-like band and plastic liner layer clinkering；
Wherein: the steel heterotypic strip in b step need to wind when the plastic sheet in a step not yet hardens.
The two of method scheme: a method of for processing the composite reinforced pipe of overall steel-plastic as described in power 2, it is characterised in that
Following steps:
A, molten state plastic sheet-like band is squeezed out by plastic extrusion facility, is rolled around equipment spiral winding, two adjacent modelings
Clinkering is overlapped between tablet shape band, forms tube body plastic liner layer；
B, enhancing clinkering hole is stamped out in corresponding position on Steel Thin-Wall band with stamping equipment, then by thin-walled steel plate writing that surpasses all the others equipment
Heterotypic strip is pressed by Steel Thin-Wall band is curved, then after steel heterotypic strip rolled being bent out radian corresponding with outer tube diameter, tightly
Close to be helically wound around on the plastic liner layer that above-mentioned a step is formed, the docking of adjacent steel heterotypic strip is bent through correspondence two-by-two
Spill pinch roller positioning and in close proximity to, docking bending against part using argon arc welding device firm welding, make steel band
The steel for forming one enhances sandwich layer；
C, molten state plastic sheet-like band is squeezed out by plastic extrusion facility, cover and enhances sandwich layer in steel through pinch roller spreading
Upper formation plastic outer wall layer；The enhanced clinkering hole of molten state plastic sheet-like band and plastic liner layer clinkering；
Wherein: the steel heterotypic strip in b step need to wind when the plastic sheet in a step not yet hardens.
The three of method scheme: a method of for processing the composite reinforced pipe of overall steel-plastic as described in power 3, it is characterised in that
Following steps:
A, molten state plastic sheet-like band is squeezed out by plastic extrusion facility, is rolled around equipment spiral winding, two adjacent modelings
Clinkering is overlapped between tablet shape band, forms tube body plastic liner layer；
B, enhancing clinkering hole is stamped out in corresponding position on Steel Thin-Wall band with stamping equipment, then by thin-walled steel plate writing that surpasses all the others equipment
Heterotypic strip is pressed by Steel Thin-Wall band is curved, then after steel heterotypic strip rolled being bent out radian corresponding with outer tube diameter, tightly
It is close to be helically wound around on the plastic liner layer that above-mentioned a step is formed then adjacent from this with plastic extrusion facility extrusion molten plastic
Docking bending in close proximity to filling adhesive layer is formed in flow in pipes reinforcing ribs in preceding gap, adjacent steel is special-shaped two-by-two
The docking bending of band is through corresponding spill pinch roller positioning and in close proximity to forming integrated steel enhances sandwich layer；
C, molten state plastic sheet-like band is squeezed out by plastic extrusion facility, cover and enhances sandwich layer in steel through pinch roller spreading
Upper formation plastic outer wall layer；The enhanced clinkering hole of molten state plastic sheet-like band and plastic liner layer and filling plastic adhesive layer are molten
Knot；
Wherein: the steel heterotypic strip in b step need to wind when the plastic sheet in a step not yet hardens.
In the above processing scheme, further, in the b step, with stamping equipment in corresponding positions on Steel Thin-Wall band
Set stamp out enhancing clinkering hole while, also stamp out strip grooves rib in corresponding position.
The beneficial effects of the present invention are: using cross section to be wound on inside pipe wall for the profiled strip of concave character type, so that pipe
The whole equal bimetal in road, greatly enhances the toughness of pipeline；Especially profiled strip spiral winding when it is adjacent two-by-two
Muscle side wall and top rib wall, which cleverly merge, forms reinforcing ribs, it is ensured that pipeline has high ring stiffness, and pipeline greatly improved
Compression capability and practicability；Caused by steel band and plastic layer conjugation that the design in enhancing clinkering hole even more effectively avoids the problem that
Steel modeling separation, plastics inside and outside wall closely merge through clinkering hole, steel band are not only effectively protected, further improves pipeline
Intensity；This programme can reach bigger pressure-bearing effect with the steel of thinner walls and plastic layer, save material, further decrease
Material cost；Pipeline configuration of the invention is scientific and reasonable, and manufacture easy to produce, durability high practicability is strong, wide market.
Detailed description of the invention
Fig. 1 is the partial axial section structure chart of steel plastic compount riffled tube of the invention；
Fig. 2 is the position the A enlarged drawing of most preferred embodiment in Fig. 1；
Fig. 3 is the position the B 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 is cross-sectional view after the steel heterotypic strip of embodiment one in the present invention is unfolded；
Fig. 7 is the schematic diagram that two adjacent steel heterotypic strips form reinforcing ribs in the present invention；
Fig. 8 is the position the A enlarged drawing of another 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.
Specific embodiment
The present invention is described in further details in the following with reference to the drawings and specific embodiments.
The present invention is a kind of composite reinforced pipe of overall steel-plastic, and this kind of pipeline is made of plastics, and in order to improve the property such as intensity
Can, compound increase has steel material in structure, and specifically used plastic type and steel type can be by those skilled in the art
Member is selected according to the prior art and performance requirement, is selected based on stainless steel on steel, there is etch-proof effect to adopt certainly
It is also equivalent replacement with other materials.
In a particular embodiment, as illustrated in fig. 1 and 2, pipeline of the invention includes plastic liner layer 1, the 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 the prior art, at this
It is not set forth in detail in text；Pipeline of the invention further includes that steel enhancing sandwich layer 2 and plastic outer wall layer 3 are constituted, in which:
Steel enhancing sandwich layer 2 in the present invention is helically wound around on plastic liner layer 1 by steel heterotypic strip to be formed, described
Enhancing clinkering hole 25 is distributed on steel heterotypic strip；Enhance 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 be partially press-fitted when not hardening into the enhancing
Clinkering hole 25, plastics are press-fitted into the evagination formed in enhancing clinkering hole 25 towards plastic outer wall layer 3, secure steel heterotypic strip
, when the extruding of plastic outer wall layer 3 is layed in steel heterotypic strip, parietal layer just passes through 25 clinkering of enhancing clinkering hole inside and outside plastics
It tightly combines, is not easily stripped together, so that steel heterotypic strip is avoided and be may cause because of the removing of plastics covering
Corrosion, also stabilizes the stability between steel heterotypic strip and plastics inside and outside wall in structure, and is conducive to pipeline entirety
Uniform force improves the intensity and durability of pipeline.
The shape of steel heterotypic strip cross section in the present invention is the concave-shaped structure that by-level is holded up at both ends, is such as schemed
4, shown in 9,10, in-between horizontal component is bottom wall, and both ends are holded up as muscle side wall 21；Each muscle side wall 21 is towards special-shaped strip
Top rib wall 22 is extended on the outside of material, the end of top rib wall 22, which is turned under to prolong, Anti-dislocation docking bending 23；Steel heterotypic strip
When winding, adjacent muscle side wall 21 and top rib wall 22, which cleverly merge, two-by-two forms pipeline reinforcing ribs 5, as shown in fig. 7, reinforcing
Rib 5 ensures that pipeline has high ring stiffness, and pipeline compression capability and practicability greatly improved；The Anti-dislocation docking is curved
The effect of folding 23 is very big, is mainly used for during forming reinforcing ribs 5, unlikely when top rib wall 22 merges docking
It is laminated in the dislocation up and down of adjacent top rib wall and does not become reinforcing ribs 5, and only top rib wall 22 is curved in Anti-dislocation docking
Under the action of folding 23, it effectively could mutually put forth effort to dock, convenient for forming stable reinforcing ribs stress cavity body structure.
In a preferred embodiment, because of the sheet metal manufacture that steel heterotypic strip uses, in order to ensure muscle side wall is preferable
It is upright and be not easy to frill that (gauffer can change the shape and height of reinforcing rib, even result in defect ware, directly affect product
Quality), a plurality of strip grooves ribs 26 are laid on the muscle side wall 21 of the steel heterotypic strip, as illustrated in Figures 5 and 6, institute
Strip grooves rib 26 is stated to be arranged from muscle sidewall bottom to muscle top side wall direction, certainly, the protrusion direction of the strip grooves rib 26
Can be arbitrary, shape be also possible to those skilled in the art it is conceivable that other arbitrary shapes, as long as contributing to
Muscle side wall 21 is upright and is not easy to frill.
Plastic outer wall layer 3 is covered on the steel enhancing sandwich layer 2 by steel heterotypic strip coiling, and it is close that steel enhances sandwich layer 2
It is encapsulated between plastic outer wall layer 3 and plastic liner layer 1, steel enhancing sandwich layer 2 is effectively isolated from into perishable environment, it is ensured that
The durable degree of tubing；The plastic liner layer 1 and plastic outer wall layer 3 are at the enhancing clinkering hole together with clinkering.
About there is at least following four embodiment at reinforcing ribs 5:
The first embodiment is as shown in Figure 8, and two-by-two adjacent muscle side wall 21 and top rib wall 22 cleverly merge formation and manage
Road reinforcing ribs 5 just directly cover plastic outer wall layer later, and reinforcing ribs are hollow structure, two-by-two the docking of adjacent Anti-dislocation
Without any processing between bending 23, the two is leaning closely against together, is fixed by plastic outer wall layer.
Second of embodiment is on the basis of the first above-mentioned embodiment, by the docking of top rib wall 22 adjacent two-by-two
Bending 23 is welded and fixed together, and reinforcing ribs are hollow structure.
The third embodiment, as shown in Figures 2 and 3, protrusion is formed in adjacent two-by-two muscle side wall 21 and top rib wall 22
Filled plastics in pipeline reinforcing ribs 5 form the filling adhesive layer 4 in rib, two-by-two adjacent Anti-dislocation docking bending 23 it
Between it is without any processing, the two is leaning closely against together, is fixed by plastic outer wall layer and fixed filling adhesive layer.
4th kind of embodiment and optimal embodiment form protrusion in adjacent two-by-two muscle side wall 21 and top rib wall 22
Pipeline reinforcing ribs 5 in filled plastics, form the filling adhesive layer 4 in rib, then by pair of top rib wall 22 adjacent two-by-two
Bending 23 is connect to be welded and fixed together.
In order to further enhance the intensity of pipeline, in the preferred embodiment, the bottom wall of steel heterotypic strip is equipped with reinforcement
The cross section of ripple struction, bottom wall is corrugated, as shown in Fig. 4,9,10.Specifically, the ripple struction can be by extremely
It is one small less to be bent in an arc shape 242 and at least one big composition of arc convex 241, as shown in Figure 3；It is also possible to only by least
It is one small to be bent in an arc shape 242 compositions, as shown in Figure 9；It is also possible to only be made of at least one big arc convex 241, such as
It is shown in Fig. 10；Certainly, according to specific design needs, it is also possible to the structure of other shapes, such as triangle protrusion or trapezoidal protrusion
Etc., it belongs to usually replace.
In order to ensure the stability of muscle side wall, in design, it is molten that enhancing should be distributed in the junction of muscle side wall 21 and bottom wall
Tie hole 25；Enhancing clinkering hole 25 should be distributed in the junction of muscle side wall 21 and top rib wall 22, in the foot of big arc convex 241
Enhancing clinkering hole 25 should be distributed with；The purpose for the arrangement is that further enhancing the stability of rib and big arc protrusion, tube body is improved
Compressive strength.
For the structure for preferably protecting tube body, there is molten state plastic sheet-like band to take mutually through spiral winding in inner wall layer 1
The welded side seam 11 for connecing clinkering and being formed, and this position also tends to be the more fragile position of stress, the steel heterotypic strip
Bottom wall cross-pressure on the clinkering seam 11 of plastic liner layer, would not be by axial tensile force, this mode at such clinkering seam 11
Without excessively increasing the intensity of clinkering seam 11, manufacturing cost and difficulty of processing are reduced.
It is directed to the composite reinforced pipe of above-mentioned overall steel-plastic, the present invention also provides the methods for processing this kind of pipeline.
One of method scheme:
A, molten state plastic sheet-like band is squeezed out by plastic extrusion facility, is rolled around equipment spiral winding, two adjacent modelings
Clinkering is overlapped between tablet shape band, forms tube body plastic liner layer；
B, enhancing clinkering hole is stamped out in corresponding position on Steel Thin-Wall band with stamping equipment, as shown in Figure 5, then by thin-walled
Steel plate writing that surpasses all the others equipment is pressed into heterotypic strip for Steel Thin-Wall band is curved, then steel heterotypic strip rolled be bent out it is corresponding to outer tube diameter
Radian after, closing twist is wound on the plastic liner layer that above-mentioned a step is formed, the docking of adjacent steel heterotypic strip two-by-two
Bending is abutted through corresponding spill pinch roller positioning, and steel heterotypic strip bottom wall enhancing clinkering hole and semi-molten state plastic liner layer are stung
Conjunction enables steel heterotypic strip to fix, and steel band is made to form integrated steel enhancing sandwich layer；
C, molten state plastic sheet-like band is squeezed out by plastic extrusion facility, cover and enhances sandwich layer in steel through pinch roller spreading
Upper formation plastic outer wall layer；The enhanced clinkering hole of molten state plastic sheet-like band and plastic liner layer clinkering；
Wherein: the steel heterotypic strip in b step need to wind when the plastic sheet in a step not yet hardens.
In the above processing scheme, further, in the b step, with stamping equipment in corresponding positions on Steel Thin-Wall band
Set stamp out enhancing clinkering hole while, also stamp out strip grooves rib in corresponding position.
The two of method scheme:
A, molten state plastic sheet-like band is squeezed out by plastic extrusion facility, is rolled around equipment spiral winding, two adjacent modelings
Clinkering is overlapped between tablet shape band, forms tube body plastic liner layer；
B, enhancing clinkering hole is stamped out in corresponding position on Steel Thin-Wall band with stamping equipment, then by thin-walled steel plate writing that surpasses all the others equipment
Heterotypic strip is pressed by Steel Thin-Wall band is curved, then after steel heterotypic strip rolled being bent out radian corresponding with outer tube diameter, tightly
Close to be helically wound around on the plastic liner layer that above-mentioned a step is formed, the docking of adjacent steel heterotypic strip is bent through correspondence two-by-two
Spill pinch roller positioning and in close proximity to, docking bending against part using argon arc welding device firm welding, make steel band
The steel for forming one enhances sandwich layer；
C, molten state plastic sheet-like band is squeezed out by plastic extrusion facility, cover and enhances sandwich layer in steel through pinch roller spreading
Upper formation plastic outer wall layer；The enhanced clinkering hole of molten state plastic sheet-like band and plastic liner layer clinkering；
Wherein: the steel heterotypic strip in b step need to wind when the plastic sheet in a step not yet hardens.
In the above processing scheme, further, in the b step, with stamping equipment in corresponding positions on Steel Thin-Wall band
Set stamp out enhancing clinkering hole while, also stamp out strip grooves rib in corresponding position.
The three of method scheme:
A, molten state plastic sheet-like band is squeezed out by plastic extrusion facility, is rolled around equipment spiral winding, two adjacent modelings
Clinkering is overlapped between tablet shape band, forms tube body plastic liner layer；
B, enhancing clinkering hole is stamped out in corresponding position on Steel Thin-Wall band with stamping equipment, then by thin-walled steel plate writing that surpasses all the others equipment
Heterotypic strip is pressed by Steel Thin-Wall band is curved, then after steel heterotypic strip rolled being bent out radian corresponding with outer tube diameter, tightly
It is close to be helically wound around on the plastic liner layer that above-mentioned a step is formed then adjacent from this with plastic extrusion facility extrusion molten plastic
Docking bending in close proximity to filling adhesive layer is formed in flow in pipes reinforcing ribs in preceding gap, adjacent steel is special-shaped two-by-two
The docking bending of band is through corresponding spill pinch roller positioning and in close proximity to forming integrated steel enhances sandwich layer；
C, molten state plastic sheet-like band is squeezed out by plastic extrusion facility, cover and enhances sandwich layer in steel through pinch roller spreading
Upper formation plastic outer wall layer；The enhanced clinkering hole of molten state plastic sheet-like band and plastic liner layer and filling plastic adhesive layer are molten
Knot；
Wherein: the steel heterotypic strip in b step need to wind when the plastic sheet in a step not yet hardens.
In the above processing scheme, further, in the b step, with stamping equipment in corresponding positions on Steel Thin-Wall band
Set stamp out enhancing clinkering hole while, also stamp out strip grooves rib in corresponding position.
The above shows and describes the basic principle, main features and advantages of the invention.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (17)
1. a kind of composite reinforced pipe of overall steel-plastic, including plastic liner layer, the inner wall layer is by molten state plastic sheet-like band through spiral shell
Rotation winding is mutually lapped clinkering and forms, it is characterised in that: and riffled tube further includes that steel enhancing sandwich layer and plastic outer wall layer are constituted,
In:
Steel enhancing sandwich layer is helically wound around on plastic liner layer by steel heterotypic strip to be formed, and is divided on the steel heterotypic strip
It is furnished with enhancing clinkering hole；
The shape of steel heterotypic strip cross section is the concave-shaped structure that by-level is holded up at both ends, and by-level part is bottom
Wall, both ends are holded up as muscle side wall；Each muscle side wall towards being extended with top rib wall on the outside of heterotypic strip, the end of top rib wall to
Under it is curved prolong have Anti-dislocation docking bending；
When steel heterotypic strip is wound, adjacent muscle side wall and top rib wall form the pipeline reinforcing ribs of protrusion two-by-two；
Plastic outer wall layer is covered on the steel enhancing sandwich layer by steel heterotypic strip coiling, and steel enhancing sandwich layer is sealed in plastics
Between outer wall layer and plastic liner layer；The plastic liner layer and plastic outer wall layer are at the enhancing clinkering hole together with clinkering.
2. the composite reinforced pipe of overall steel-plastic according to claim 1, it is characterised in that: in adjacent two-by-two muscle side wall and muscle
Roof forms filled plastics in the pipeline reinforcing ribs of protrusion, forms the filling adhesive layer in rib.
3. the composite reinforced pipe of overall steel-plastic according to claim 1, it is characterised in that: the docking of adjacent top rib wall two-by-two
Bending is fixed together by welding.
4. the composite reinforced pipe of overall steel-plastic according to claim 2, it is characterised in that: the docking of adjacent top rib wall two-by-two
Bending is fixed together by welding.
5. the composite reinforced pipe of overall steel-plastic according to any one of claim 1 to 4, it is characterised in that: the steel is different
The bottom wall of type band is equipped with the ripple struction reinforced, and the cross section of bottom wall is corrugated.
6. the composite reinforced pipe of overall steel-plastic according to claim 5, it is characterised in that: the ripple struction is by least one
Small be bent in an arc shape forms at least one big arc convex.
7. the composite reinforced pipe of overall steel-plastic according to claim 5, it is characterised in that: the ripple struction is by least one
It is small to be bent in an arc shape or at least one big arc convex composition.
8. the composite reinforced pipe of overall steel-plastic according to any one of claim 1 to 4, it is characterised in that: the steel is different
The muscle side wall of type band is laid with a plurality of strip grooves ribs, and the strip grooves rib is from muscle sidewall bottom to muscle top side wall direction
Setting.
9. the composite reinforced pipe of overall steel-plastic according to any one of claim 1 to 4, it is characterised in that: muscle side wall with
Enhancing clinkering hole should be distributed in the junction of bottom wall；Enhancing clinkering hole should be distributed in the junction of muscle side wall and top rib wall.
10. the composite reinforced pipe of overall steel-plastic according to claim 6, it is characterised in that: answered in the foot of big arc convex
Enhancing clinkering hole is distributed with.
11. the composite reinforced pipe of overall steel-plastic according to any one of claim 1 to 4, it is characterised in that: have in inner wall layer
Molten state plastic sheet-like band is mutually lapped clinkering through spiral winding and the welded side seam that is formed, the bottom wall of the steel heterotypic strip
Cross-pressure is sewed in the clinkering of plastic liner layer.
12. a kind of method for processing the composite reinforced pipe of overall steel-plastic as described in claim 1, it is characterised in that following step
It is rapid:
A, molten state plastic sheet-like band is squeezed out by plastic extrusion facility, is rolled around equipment spiral winding, two adjacent plastic sheets
Clinkering is overlapped between shape band, forms tube body plastic liner layer；
B, enhancing clinkering hole is stamped out in corresponding position on Steel Thin-Wall band with stamping equipment, then will be thin by thin-walled steel plate writing that surpasses all the others equipment
Wall steel band is curved to be pressed into heterotypic strip, then after steel heterotypic strip rolled being bent out radian corresponding with outer tube diameter, close spiral shell
Rotation is wound on the plastic liner layer that above-mentioned a step is formed, and the docking bending of adjacent steel heterotypic strip is through corresponding spill two-by-two
Pinch roller is positioned and is abutted, and steel heterotypic strip bottom wall enhancing clinkering hole and the occlusion of semi-molten state plastic liner layer make steel special-shaped strip
Material is fixed, and steel band is made to form integrated steel enhancing sandwich layer；
C, molten state plastic sheet-like band is squeezed out by plastic extrusion facility, cover and enhances shape on sandwich layer in steel through pinch roller spreading
At plastic outer wall layer；The enhanced clinkering hole of molten state plastic sheet-like band and plastic liner layer clinkering；
Wherein: the steel heterotypic strip in b step need to wind when the plastic sheet in a step not yet hardens.
13. the method for the processing composite reinforced pipe of overall steel-plastic according to claim 12, it is characterised in that: the b step
In, while stamping out enhancing clinkering hole in corresponding position on Steel Thin-Wall band with stamping equipment, the phase also on the Steel Thin-Wall band
Position is answered to stamp out strip grooves rib.
14. a kind of method for processing the composite reinforced pipe of overall steel-plastic as claimed in claim 2, it is characterised in that following step
It is rapid:
A, molten state plastic sheet-like band is squeezed out by plastic extrusion facility, is rolled around equipment spiral winding, two adjacent plastic sheets
Clinkering is overlapped between shape band, forms tube body plastic liner layer；
B, enhancing clinkering hole is stamped out in corresponding position on Steel Thin-Wall band with stamping equipment, then will be thin by thin-walled steel plate writing that surpasses all the others equipment
Wall steel band is curved to be pressed into heterotypic strip, then after steel heterotypic strip rolled being bent out radian corresponding with outer tube diameter, close spiral shell
Rotation is wound on the plastic liner layer that above-mentioned a step is formed, and the docking bending of adjacent steel heterotypic strip is through corresponding spill two-by-two
Pinch roller positioning and in close proximity to, docking bending against part using argon arc welding device firm welding, form steel band
The steel of one enhances sandwich layer；
C, molten state plastic sheet-like band is squeezed out by plastic extrusion facility, cover and enhances shape on sandwich layer in steel through pinch roller spreading
At plastic outer wall layer；The enhanced clinkering hole of molten state plastic sheet-like band and plastic liner layer clinkering；
Wherein: the steel heterotypic strip in b step need to wind when the plastic sheet in a step not yet hardens.
15. the method for the processing composite reinforced pipe of overall steel-plastic according to claim 14, it is characterised in that: the b step
In, while stamping out enhancing clinkering hole in corresponding position on Steel Thin-Wall band with stamping equipment, the phase also on the Steel Thin-Wall band
Position is answered to stamp out strip grooves rib.
16. a kind of method for processing the composite reinforced pipe of overall steel-plastic as claimed in claim 3, it is characterised in that following step
It is rapid:
A, molten state plastic sheet-like band is squeezed out by plastic extrusion facility, is rolled around equipment spiral winding, two adjacent plastic sheets
Clinkering is overlapped between shape band, forms tube body plastic liner layer；
B, enhancing clinkering hole is stamped out in corresponding position on Steel Thin-Wall band with stamping equipment, then will be thin by thin-walled steel plate writing that surpasses all the others equipment
Wall steel band is curved to be pressed into heterotypic strip, then after steel heterotypic strip rolled being bent out radian corresponding with outer tube diameter, close spiral shell
Rotation is wound on the plastic liner layer that above-mentioned a step is formed, then squeezes out molten plastic from adjacent pair with plastic extrusion facility
It connects bending and fills adhesive layer in close proximity to formation in flow in pipes reinforcing ribs in preceding gap, two-by-two adjacent steel heterotypic strip
Docking bending through corresponding spill pinch roller positioning and in close proximity to forming integrated steel enhancing sandwich layer；
C, molten state plastic sheet-like band is squeezed out by plastic extrusion facility, cover and enhances shape on sandwich layer in steel through pinch roller spreading
At plastic outer wall layer；The enhanced clinkering hole of molten state plastic sheet-like band and plastic liner layer and filling plastic adhesive layer clinkering；
Wherein: the steel heterotypic strip in b step need to wind when the plastic sheet in a step not yet hardens.
17. the method for the processing composite reinforced pipe of overall steel-plastic according to claim 16, it is characterised in that: the b step
In, while stamping out enhancing clinkering hole in corresponding position on Steel Thin-Wall band with stamping equipment, the phase also on the Steel Thin-Wall band
Position is answered to stamp out strip grooves rib.
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| CN113236872B (en) * | 2021-05-27 | 2022-09-23 | 云南益华管道科技有限公司 | Production device for steel strip welding framework mesh composite spiral corrugated pipe |
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| CN103867814A (en) * | 2014-04-09 | 2014-06-18 | 张汝忠 | Corrugated steel-plastic composite pipe formed by steel belts with holes or grooves in spiral winding and welding mode and production method |
| CN204127506U (en) * | 2014-09-15 | 2015-01-28 | 天津豪越预应力有限公司 | Bellows moulded by a kind of steel |
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