CN2772800Y - Producer of steel wire reinforced composite plastic pipe - Google Patents

Producer of steel wire reinforced composite plastic pipe Download PDF

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Publication number
CN2772800Y
CN2772800Y CNU2005200338372U CN200520033837U CN2772800Y CN 2772800 Y CN2772800 Y CN 2772800Y CN U2005200338372 U CNU2005200338372 U CN U2005200338372U CN 200520033837 U CN200520033837 U CN 200520033837U CN 2772800 Y CN2772800 Y CN 2772800Y
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steel
steel wire
wire
wire carcass
pipe
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Expired - Fee Related
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CNU2005200338372U
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Chinese (zh)
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甘国工
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Abstract

The utility model provides a production device for a steel wire reinforced composite plastic pipe, which comprises a radial steel wire unreeling mechanism, a net-shaped cylindrical steel wire framework molding welding mechanism, a cooling shaping box and a traction machine, wherein a weft-direction steel wire rotates around a radial steel wire by the net-shaped cylindrical steel wire framework molding welding mechanism. The utility model is characterized in that an adhesive coextrusion mechanism of a core layer pipe or the core layer pipe and the surface of the core layer pipe in front of the steel wire framework molding welding mechanism extends in an extrusion film head of the core layer pipe or an adhesive coextrusion film head of the core layer pipe and the surface of the core layer pipe in a cylindrical steel wire framework which is molded by welding; an adhesive layer painting or coating mechanism, an extrusion mechanism of an outer layer pipe, and a mould head are arranged behind the steel wire framework molding welding mechanism on the surface of the cylindrical steel wire framework, or a coextrusion mechanism for extruding the outer layer pipe with the composite inner surface having an adhesive layer and the mould head are arranged behind the steel wire framework molding welding mechanism on the outer surface of the cylindrical steel wire framework. The steel wire reinforced composite plastic pipe with high pressure bearing capability and strong corrosion prevention capability can be produced.

Description

Steel wire enhanced composite plastic pipe process units
Technical field:
The utility model is relevant with steel wire enhanced composite plastic pipe process units, and is relevant with the process units of difference compound binding agent layer and sandwich layer pipe, outer tube inside and outside the tubular steel wire steel-wire carcass that forms hole pattern especially.
Background technology:
Existingly the broadwise steel wire is formed netted tubular steel-wire carcass around the axial steel wire continuous welding make to strengthen body, on this skeleton, extrude composite polymeric materials and have only a small amount of report and open as method and apparatus and corresponding patent that non-individual body becomes the skeleton coating production technology of steel wire enhanced composite plastic pipe, as Chinese patent application numbers 94104509.9,99114790.1, these disclosed technical schemes are that the broadwise steel wire is rotated around axial steel wire, or welding roll is around being positioned at that steel wire on the tubular supporting electrode circumference rotates or at least one pair of rotates around the steel wire that is positioned on the conducting ring circumference with weldering wheel that power positive cathode is connected respectively, on the crosspoint of broadwise steel wire and axial steel wire, impose welding current, after continuous welding forms netted tubular steel-wire carcass, the tubular steel-wire carcass is pushed or draws in the compound die head of the polymer that molten plastic runner and forming cavity are arranged or forming cavity mould that is connected with plastic extruder, the hole that the polymer non-individual body of fusion passes steel-wire carcass is entered outer surface or is entered inner surface by outer surface by the inner surface of steel-wire carcass and forms the ectonexine tube wall skeleton is coated, pass through cooling and shaping, just produced the steel wire enhanced composite plastic pipeline that steel-wire carcass strengthens the tube wall that is coated with steel-wire carcass.This pipeline promptly has the higher bearing capacity of metallic conduit, because of inside and outside wall with plastics and the hole by steel-wire carcass inside and outside wall is connected as a single entity again, advantages of good anticorrosion performance and pipeline switching performance are arranged, with metallic conduit and pure plastic pipe channel ratio, comprehensive performance is arranged, at chemical industry, oil transportation, delivery of fuel gas, obtain on discharge pressure and the Korrosionsmedium widely and use, it is a kind of structural preferably compound pipeline complex pipeline, but the hole that passes steel-wire carcass by the polymer non-individual body that the technical scheme in the above-mentioned several patents is fusion forms the ectonexine tube wall simultaneously, there is very big defective in this molding mode, the polymer non-individual body of fusion is translated into the mutual again molten adhere of another side at the hole that passes steel-wire carcass, the Turbulence Flow mode that this polymer is crossed steel-wire carcass can stay a lot of residual stress in cooled plastic tube wall, cause in the pipeline use easy to crack, reduced the service life of pipeline, and this type of flow can be destroyed and extrude compound or spraying or cover the particularly very thin one deck adhesive layer in the hole of steel-wire carcass surfaces externally and internally, cause polymer non-individual body and steel-wire carcass surface directly to combine rather than be combined with each other securely each other by adhesive layer, and the polymer non-individual body is an apolar surfaces, the steel-wire carcass surface is a polar surfaces, the two can not be real mutual strong bonded, cause in transportation or installation or delamination mutually in using, in addition, the mutual molten adhere face of polymer causes temperature to descend to some extent owing to cross steel-wire carcass, has also influenced the reliability and the intensity of mutual molten adhere.Also have,, can't be implemented in the different polymer overmold of the inside and outside employing of skeleton inside and outside steel-wire carcass, can't enlarge the application of this kind composite plastic pipe because of all being adopts with a kind of polymer is disposable to extrude coating.
The utility model content:
The purpose of this utility model is in order to overcome above deficiency, provides a kind of and can produce that bearing capacity height, anti-corrosion capability are strong, the ectonexine plastic tube wall can answer requirement of engineering to be designed to particularly be connected as a single entity the each other process units of the steel wire enhanced composite plastic pipe that is combined with each other securely of the hole by steel-wire carcass and adhesive layer of different polymeric materials, ectonexine plastic tube wall and steel-wire carcass.
The purpose of this utility model is achieved like this:
The utility model steel wire enhanced composite plastic pipe process units, comprise the axial steel wire unreeling structure, the netted tubular steel-wire carcass moulding welding mechanism that the broadwise steel wire rotates around steel radial, the cooling and shaping case, hauling machine, it is characterized in that before steel-wire carcass moulding welding mechanism, having sandwich layer pipe or sandwich layer pipe and sandwich layer tube-surface binding agent coextrusion mechanism, stretch into interior sandwich layer pipe extruded film head or the sandwich layer pipe and the sandwich layer tube-surface binding agent co-extruded films head of tubular steel-wire carcass of welding fabrication, after steel-wire carcass moulding welding mechanism, have at tubular steel-wire carcass external coating or coated with adhesive layer mechanism and outer tube extrusion mechanism and die head, or after steel-wire carcass moulding welding mechanism, have and extrude coextrusion mechanism and the die head that compound inner surface has the outer tube of adhesive layer at tubular steel-wire carcass outer surface, there are several devices to carry out in different ways at steel-wire carcass surfaces externally and internally application adhesive layer, can adopt two layers of coextruding method to extrude the adhesive layer of sandwich layer pipe and sandwich layer tube-surface simultaneously and extrude the outer tube that compound inner surface has adhesive layer simultaneously, or adopt stepped approach to extrude adhesive layer separately at the steel-wire carcass surfaces externally and internally earlier, on adhesive layer, extrude sandwich layer pipe and outer tube again.
In the above-mentioned steel wire enhanced composite plastic pipe process units; lay the inert gas shielding device along broadwise steel wire and steel radial crosspoint; have in the protective device and make high temperature solder joint and outside air cage that keep apart and that can inwardly be full of inert gas by its passway; the inert gas shielding device is in the outer surface and/or the inner surface setting of steel-wire carcass solder joint; cage is close to pad; cage is and covers shape and covering on the certain-length on the solder joint; time with anti-oxidation need be provided with cage length; the inert gas input channel is arranged on the cage, and the inert gas of input such as nitrogen are through covering on the solder joint behind the strainer filtering.
In the above-mentioned steel wire enhanced composite plastic pipe process units, between the ectonexine tube wall, vacuumize when after sandwich layer pipe extruded film head, being provided with the interior bloated mechanism of the sizing rod that makes the sandwich layer pipe be close to tubular steel-wire carcass inwall or air bag or interior bloated obstruction and/or extruding compound outer tube form negative pressure make the ectonexine pipe be close to the tubular steel-wire carcass be attached to the vacuum device in the outer tube extruded film head or be provided with separately can be to the outer wall of inner tube and/or the inwall vacuum extractor of outer tube, make the sandwich layer pipe be close to the device of tubular steel-wire carcass inwall and mode the mechanism or vacuumize in tubular steel-wire carcass periphery of expanding in adopting is arranged, utilize the steel-wire carcass hole that the sandwich layer pipe is close to tubular steel-wire carcass inwall, or the two adopts simultaneously, or between the ectonexine tube wall, vacuumize simultaneously, making ectonexine plastic tube wall and adhesive layer firmly closely compound each other is one.
In the above-mentioned steel wire enhanced composite plastic pipe process units, tubular steel-wire carcass external coating after steel-wire carcass moulding welding mechanism or coated with adhesive layer mechanism are included in tubular steel-wire carcass surfaces externally and internally electrostatic spraying adhesive powder or fluidized-bed spraying adhesive powder device or twine or vertically cover the film covering device of the plastic sheeting that has adhesive layer at tubular steel-wire carcass outer surface spiral.The binding agent plastic film layers can be stable with polymeric outer layer and steel-wire carcass secure bond together.
In the above-mentioned steel wire enhanced composite plastic pipe process units, after tubular steel-wire carcass external coating or coated with adhesive layer mechanism and/or before be provided with heating arrangements, heating arrangements can be an infrared heater, also can be heating generator, make the adhesive layer can be after the heat treated more securely attached to the steel-wire carcass surface to steel-wire carcass heating.
The utility model process units solved steel-wire carcass that steel-wire carcass strengthens composite plastic pipe particularly the interface affinity of solder joint place and polymer non-individual body be adhesion problem; adopt the inert gas shielding device that solder joint and outside air are kept apart at weld, make ectonexine polymer non-individual body compound for the steel wire enhanced composite plastic pipe of hole steel-wire carcass is arranged by binding agent and steel-wire carcass.Utilize vacuum pumping method in the inventive method, make the ectonexine pipe be close to skeleton, even make ectonexine and between tack coat by the steel-wire carcass hole ectonexine is connected as a single entity, reduce the bloated rate of line of pure plastic layer, plastic layer is weakened because of the bloated different situations that produce slippage and creep of rate of line with the steel-wire carcass combination interface, the performance reliably and with long-term of steel wire enhanced composite plastic pipe is improved, and can be connected with the plastic pipe hot melt with the fusion connected mode easily or the molten connection of electric heating, strengthened the pipeline switching performance.These multiple tube ectonexine plastics and skeleton are firmly compound, and be particularly bonding firm between conduit section metal interface and the polymer non-individual body, the bearing capacity height, and anti-corrosion capability is strong, and the scope of application is wide.The application of the utility model method and device, can make in the existing known technology the inside and outside non-individual body of metal steel-wire carcass can only be for being solved with a kind of polymer and because of introducing internal stress easily causes the tube wall relatively poor technical barrier of environmental stress resistance that easily breaks, steel-wire carcass ectonexine polymer not only can use good material of environmental stress resistance and cracking performance such as polyethylene (PE), refractory polyethylene (PE-RT), can also use the imperfect polypropylene of environmental stress cracking resistance (PP), block polypropylene (PPB), COPP (PPR), ABS, polyvinyl chloride (PVC), the more important thing is that having solved the steel-wire carcass ectonexine can also use different materials to produce the tubing of different demands, as the sandwich layer pipe is crosslinked polyethylene (PEX), the outer tube non-cross-linking refractory polyethylene PE-RT that the heat fusing switching performance is arranged, pipeline material and engineering application have been enlarged, make pipe connecting method also more and more, can connect with the fusion of polymer pipe fitting, also can bonding connection, also can use the metal joint mechanical connection, because of the hole of ectonexine polymer by steel-wire carcass has been connected as a single entity, when being connected, pipe fitting not only connected skin, also link to each other, increased the unfailing performance of pipeline engineering with internal layer.
Description of drawings:
Fig. 1 is the utility model process units schematic diagram.
Fig. 2 is the utility model process units horizontal layout schematic diagram.
Fig. 3 is sandwich layer pipe, binding agent co-extrusion and outer tube, binding agent coextruded structure schematic diagram.
Fig. 4 is sandwich layer pipe, binding agent co-extrusion and outer tube, binding agent co-extrusion partial enlarged drawing.
Fig. 5 is at tubular steel-wire carcass surfaces externally and internally electrostatic spraying adhesive powder structural representation.
Fig. 6 is sandwich layer pipe and sandwich layer tube-surface binding agent difference extruded film header structure schematic diagram.
Fig. 7 utilizes the aperture to make the sandwich layer pipe be close to the structural representation of tubular steel-wire carcass inwall with the mode that vacuumizes for sandwich layer pipe co-extrusion and in the steel-wire carcass appearance.
Fig. 8 for sandwich layer pipe co-extrusion and sandwich layer pipe inner inflatable make the sandwich layer pipe be close to tubular steel-wire carcass inwall and twine the plastic film structures schematic diagram have adhesive layer at tubular steel-wire carcass outer surface spiral.
Fig. 9 leaves certain distance (also the crying outstanding weldering) schematic diagram in crosspoint of broadwise steel wire and warp-wise steel wire for the utility model weldering wheel electrode.
Figure 10 is an A-A cross-sectional schematic among Fig. 9.
Figure 11 is for being the utility model weldering wheel stationary distribution schematic diagram.
Figure 12 is a B-B cross-sectional schematic among Figure 11.
Figure 13 is the local enlarged diagram of weldering wheel stationary distribution among Figure 12.
The specific embodiment:
Embodiment 1:
Fig. 1~Fig. 3 has provided the utility model embodiment 1 figure.Referring to Fig. 1, Fig. 2 is provided with the pay off rack 1 of warp-wise steel wire 2 by compound pipe molding technology precedence, sandwich layer pipe 22 extruders 4, adhesive layer 21 extruders 3, sandwich layer pipe 22 and sandwich layer tube-surface binding agent 21 co-extruded films heads 5, tubular hole pattern steel skeleton moulding welding mechanism 6, the tubular hole pattern steel skeleton 9 of welding fabrication, inner surface has the co-extruded films head 10 of the outer tube of adhesive layer, outer tube extruder 7, outer layer binder extruder 8, composite pipe cooling sizing case 11, composite pipe spraying cooling water case 12, composite pipe hauling machine 13, cutting machine 14, heap pipe support 15.
Referring to Fig. 3, the broadwise steel wire 24 that broadwise draw drum 16 was emitted under motor 31 drove rotates around the many warp-wise steel wires 2 of doing axial translation, two weldering wheel positive electrodes 18 support the steel wire on negative electrode 17 (target) circumference to rotate around being positioned at tubular under motor 32 and pad 19 drives, on the crosspoint of broadwise steel wire and axial steel wire, impose welding current, continuous welding forms netted tubular steel-wire carcass 9, have with the tubular steel-wire carcass that stretches into welding fabrication 9 that the sandwich layer pipe links to each other with sandwich layer tube-surface binding agent co-extruded films head 5 in co-extruded films head portion 20, sandwich layer pipe 22 and sandwich layer tube-surface adhesive layer 21 are by the coextrusion runner 33 in the co-extruded films head portion 20, extrude simultaneously and cover the steel-wire carcass inner surface, under interior sizing rod 23 (or obstruction) effect, be close to the steel-wire carcass inner surface, the co-extruded films head 10 of the outer tube 30 of adhesive layer 29 outside inner surface has, outer tube extruder 7, outer layer binder extruder 8 is extruded the outer surface that is compounded in steel-wire carcass 9 with outer tube, through the cooling sizing, traction, produce the steel wire enhanced composite plastic pipe material that ectonexine polymer non-individual body and steel-wire carcass surface are connected as a single entity each other and are combined with each other securely by adhesive layer and steel-wire carcass after the cutting.
Embodiment 2:
Fig. 1, Fig. 2, Fig. 4 have provided the utility model embodiment 2 figure.Present embodiment 2 is basic same with embodiment 1.Do not exist together is that the positive pole weldering wheel 25 that is connected respectively of a pair of and power positive cathode and negative pole weldering wheel 26 rotate around the steel wire that is positioned on conducting ring 28 circumference, welding current flows to negative pole weldering wheel 26 through conducting ring 28 from positive pole weldering wheel 25, impose welding current on the crosspoint of broadwise steel wire and axial steel wire, continuous welding forms netted tubular steel-wire carcass.Charging into inert gas 9 in the pad protective device 27 covers firm welding near pad and finishes and be on the solder joint of the condition of high temperature; the pad surface that still is in the condition of high temperature after the welding is opened with the inert gas air insulated with extraneous; produce oxide layer with the surface that prevents pad; make and extrude compound in the back or spraying or the adhesive layer that covers in steel-wire carcass surfaces externally and internally and the hole can particularly directly combine at the pad place with the steel-wire carcass surface; ectonexine polymer non-individual body and steel-wire carcass surface are combined with each other each other securely by adhesive layer and steel-wire carcass, have prevented between adhesive layer and the steel-wire carcass because of layer of oxide layer delamination is easily mutually arranged.In addition, in outer co-extruded films head 10, settled vacuum extractor 34,, got rid of the air between tube wall and the cylindrical skeleton, made tube wall closely firmly more compound with cylindrical skeleton by before compound outer tube, tube wall being vacuumized.Fig. 4 has provided outer tube and outer layer binder co-extruded films head 10 structural representations in addition, and outer tube 30 and outer layer binder 29 are by co-extruded films head 10 compound finishing.
Embodiment 3:
Fig. 1, Fig. 2, Fig. 5 have provided the utility model embodiment 3 figure.Present embodiment 3 is basic same with embodiment 1.Do not exist together is to have settled gas tube 35 on co-extruded films head 5, the air that charges into enters sandwich layer pipe 22 inside of firm extrusion molding through film head portion 20, be provided with gas shutoff plunger 36 in sandwich layer pipe 22 inside, the air that charges into will be close to the steel-wire carcass inner surface with the sandwich layer pipe 22 of adhesive layer 21.The adhesive layer 21 of steel-wire carcass outer surface is by the electrostatic dusting device 37 in the setting of cylindrical skeleton periphery adhesive powder 39 to be covered the steel-wire carcass outer surface to form, electrostatic generator 38 makes the adhesive powder 39 of static electrification more even more firmly attached to the steel-wire carcass surface, be provided with cylindrical skeleton heater 40 behind the electrostatic dusting device 37, the thickness that can increase binding agent makes the better fusion of binding agent coat skeleton, can increase simultaneously the warm-up ability of skeleton, better the skeleton ectonexine form the polymer non-individual body and with binding agent and skeleton bonding or compound more firm.Outer tube 30 is by outer tube extruded film head 41 compound finishing.
Embodiment 4:
Fig. 1, Fig. 2, Fig. 6 have provided the utility model embodiment 4 figure.Present embodiment 4 is basic same with embodiment 1.Do not exist together is in the extruded film head portion 42 that stretches in the tubular steel-wire carcass 9 of welding fabrication sandwich layer pipe extrusion channel 45 and adhesive layer extrusion channel 46 to be arranged respectively, under smoothing ring 44 (or scraper plate) effect, the adhesive layer of extruding earlier 21 is close to the steel-wire carcass inner surface, extrude sandwich layer pipe 22 again thereafter, the outer surface of tubular steel skeleton is provided with vacuum extractor 34, will be close to the steel-wire carcass inner surface with the sandwich layer pipe 22 of adhesive layer 21 by the aperture on the steel skeleton 9.Adopt stepped approach to extrude adhesive layer separately at the steel-wire carcass inner surface earlier, on adhesive layer, extrude the sandwich layer pipe again, help adjusting separately respectively adhesive layer and sandwich layer thickness of pipe wall and consumption, help utilizing when adhesive layer is extruded separately the scraper plate (smoothing ring) on the die head to make binding agent clamp-on and be packed in the hole of skeleton, compound with the adhesive layer of outer tube or outer tube better.
Embodiment 5:
Fig. 1, Fig. 2, Fig. 7 have provided the utility model embodiment 5 figure.Present embodiment 5 is basic same with embodiment 4.Not existing together is to be mounted with inert gas shielding device 27 near pad, and sandwich layer pipe 22 and the coextrusion runner 33 that sandwich layer tube-surface adhesive layer 21 passes through in the co-extruded films head portion 20 are extruded simultaneously and covered the steel-wire carcass inner surface.
Embodiment 6:
Fig. 1, Fig. 2, Fig. 8 have provided the utility model embodiment 6 figure.Present embodiment 6 is basic same with embodiment 3.Do not exist together is to be provided with the spiral wrapping machine structure 47 that twines the adhered plastics film 48 of cover tape binding agent at cylindrical skeleton outer surface spiral in the cylindrical skeleton periphery.The cylindrical skeleton outer surface cover with the blend composition of binding agent or binding agent and polymer can be with polymeric outer layer pipe and cylindrical skeleton intimate compoiste adhering adhered plastics thin layer together, make binding agent be evenly distributed, fine and closely woven, can can reduce the co-extruded films head of outer layer binder extruder and outer tube and binding agent securely attached to the steel skeleton surface.
Embodiment 7:
Fig. 1, Fig. 2, Fig. 9, Figure 10 have provided the utility model embodiment 7 figure.Present embodiment 7 is basic same with embodiment 1.Do not exist together is that broadwise unwrapping wire box 49 and weldering wheel 18 pile warps in the welding mechanism rotate to steel wire 2, the broadwise steel wire 24 that broadwise unwrapping wire box 49 is emitted rotates around the many warp-wise steel wires 2 of doing axial translation, broadwise steel wire 24 twines weldering wheel electrode makes the broadwise steel wire contact and produce tensile force with weldering wheel electrode forming surface, weldering wheel electrode 18 leaves the certain distance in crosspoint 50 of broadwise steel wire and warp-wise steel wire, the broadwise steel wire that has tensile force rotates around the many warp-wise steel wires of doing axial translation, welding current passes through broadwise steel wire 24 from weldering wheel electrode 18, warp-wise steel wire 2, the crosspoint 50 of middle 17 pairs of broadwise steel wires of tubular supporting electrode and warp-wise steel wire imposes welding current, continuous welding forms netted tubular steel-wire carcass, extrudes compound core polymer layer pipe and the polymeric outer layer pipe that has adhesive layer more respectively and produces steel wire enhanced composite plastic pipe material.Adopt weldering to take turns Contact welding contact not and the crosspoint of steel wire welded, avoid the high temperature and the spark damage weldering wheel of pad, thereby reduced the temperature and the wearing and tearing of weldering wheel, prolonged the service life of weldering wheel,
Embodiment 8:
Fig. 1, Fig. 2, Figure 11~Figure 13 have provided the utility model embodiment 8 figure.Present embodiment 8 is basic same with embodiment 1.Do not exist together is that stationary distribution has positive and negative welding electrode 25 and 26 on the tubular steel-wire carcass circumference in the welding mechanism 43, when the tubular steel-wire carcass travels forward welding electrode 25 and 26 when contacting with broadwise steel wire 24 surfaces, welding electrode 25 and 26 is pressed on the crosspoint 50 of broadwise steel wire and warp-wise steel wire, impose welding current by the conducting ring 28 that is in below the crosspoint that is pressed in steel wire in the tubular steel-wire carcass to the crosspoint 50 of steel wire, the broadwise steel wire welded is received on the warp-wise steel wire, continuous welding forms netted tubular steel-wire carcass, extrudes compound core polymer layer pipe and the polymeric outer layer pipe that has adhesive layer more respectively and produces steel wire enhanced composite plastic pipe material.With the welding electrode stationary distribution on the cylindrical skeleton circumference, one of the welding electrode and the source of welding current 51 extremely directly can be fixedly linked, welding electrode (weldering wheel) does not rotate, simplified welding mechanism greatly, when cylindrical skeleton travels forward, when the broadwise Steel Wire Surface contacts with welding electrode, welding electrode, the broadwise steel wire, warp-wise steel wire and the target that is in the tubular steel-wire carcass form welding circuit, on the crosspoint of steel wire, impose welding current, the broadwise steel wire welded is received on the warp-wise steel wire, perhaps the adjacent welding electrode of stationary distribution is linked to each other with the positive and negative polarities of the source of welding current respectively (as Figure 13), adjacent two positive and negative welding electrodes, the broadwise steel wire, the warp-wise steel wire forms welding circuit with conducting ring (utilizing the patent No. to be ZL99230983 " being used for the conducting ring in the continuous rolling impulse welding ") below the crosspoint that is pressed in steel wire that the warp-wise steel wire contacts, on the crosspoint of steel wire, impose welding current, the broadwise steel wire welded is received on the warp-wise steel wire.If stationary distribution is a plurality of on the cylindrical skeleton circumference (to) welding electrode, then can be with the crosspoint while firm welding of a plurality of steel wires.
The various embodiments described above are that foregoing of the present utility model is further described, but this should be interpreted as that the scope of the above-mentioned theme of the utility model only limits to the foregoing description.All technology that realizes based on foregoing all belong to scope of the present utility model.

Claims (5)

1, steel wire enhanced composite plastic pipe process units, comprise the steel radial unreeling structure, the netted tubular steel-wire carcass moulding welding mechanism that the broadwise steel wire rotates around steel radial, the cooling and shaping case, hauling machine, it is characterized in that before steel-wire carcass moulding welding mechanism, having sandwich layer pipe or sandwich layer pipe and sandwich layer tube-surface binding agent coextrusion mechanism, stretch into interior sandwich layer pipe extruded film head or the sandwich layer pipe and the sandwich layer tube-surface binding agent co-extruded films head of tubular steel-wire carcass of welding fabrication, after steel-wire carcass moulding welding mechanism, have at tubular steel-wire carcass external coating or coated with adhesive layer mechanism and outer tube extrusion mechanism and die head, or after steel-wire carcass moulding welding mechanism, have and extrude coextrusion mechanism and the die head that compound inner surface has the outer tube of adhesive layer at tubular steel-wire carcass outer surface.
2, steel wire enhanced composite plastic pipe process units as claimed in claim 1; it is characterized in that laying the inert gas shielding device, have in the protective device to make high temperature solder joint and outside air cage that keep apart and that can inwardly be full of inert gas by its passway along weldering broadwise steel wire and steel radial crosspoint.
3, steel wire enhanced composite plastic pipe process units as claimed in claim 1 or 2, between the ectonexine tube wall, vacuumize when it is characterized in that after sandwich layer pipe extruded film head, being provided with the interior bloated mechanism of the sizing rod that makes the sandwich layer pipe be close to tubular steel-wire carcass inwall or air bag or interior bloated obstruction and/or extruding compound outer tube form negative pressure make the ectonexine pipe be close to the tubular steel-wire carcass be attached to the vacuum device in the outer tube extruded film head or be provided with separately can be to the outer wall of inner tube and/or the inwall vacuum extractor of outer tube.
4, steel wire enhanced composite plastic pipe process units as claimed in claim 1 or 2 is characterized in that tubular steel-wire carcass external coating after steel-wire carcass moulding welding mechanism or coated with adhesive layer mechanism are included in tubular steel-wire carcass surfaces externally and internally electrostatic spraying adhesive powder or fluidized-bed spraying adhesive powder device or twine or vertically cover the film covering device of the plastic sheeting that has adhesive layer at tubular steel-wire carcass outer surface spiral.
5, steel wire enhanced composite plastic pipe process units as claimed in claim 1 or 2, it is characterized in that after tubular steel-wire carcass external coating or coated with adhesive layer mechanism and/or before be provided with heating arrangements.
CNU2005200338372U 2005-04-11 2005-04-11 Producer of steel wire reinforced composite plastic pipe Expired - Fee Related CN2772800Y (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105437576A (en) * 2015-12-08 2016-03-30 五行科技股份有限公司 Temperature-resistant continuous compounding lining hose and manufacturing method thereof
CN108032504A (en) * 2017-01-22 2018-05-15 杨明昆 A kind of new steel mesh plastic composite pipe processing technology
CN110605844A (en) * 2019-09-04 2019-12-24 重庆松江机电设备制造有限公司 Production process of inner expanding type anti-explosion rubber joint

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105437576A (en) * 2015-12-08 2016-03-30 五行科技股份有限公司 Temperature-resistant continuous compounding lining hose and manufacturing method thereof
CN108032504A (en) * 2017-01-22 2018-05-15 杨明昆 A kind of new steel mesh plastic composite pipe processing technology
CN110605844A (en) * 2019-09-04 2019-12-24 重庆松江机电设备制造有限公司 Production process of inner expanding type anti-explosion rubber joint

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Granted publication date: 20060419