CN203730940U - Steel-plastic winding composite pipe and manufacturing device thereof - Google Patents
Steel-plastic winding composite pipe and manufacturing device thereof Download PDFInfo
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- CN203730940U CN203730940U CN201320865865.5U CN201320865865U CN203730940U CN 203730940 U CN203730940 U CN 203730940U CN 201320865865 U CN201320865865 U CN 201320865865U CN 203730940 U CN203730940 U CN 203730940U
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- steel
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- composite pipe
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Abstract
The utility model discloses a steel-plastic winding composite pipe and a manufacturing device of the steel-plastic winding composite pipe. The steel-plastic winding composite pipe comprises a steel-plastic winding composite pipe body. The steel-plastic winding composite pipe body is of a spiral shape formed by winding of a steel-plastic strip in a hot melt welding mode. Vertical reinforcing ribs are arranged on the outer surface of the steel-plastic winding composite pipe body. The steel-plastic winding composite pipe is characterized in that spiral plastic filling filled in a thermoplastic mode and formed through condensation is arranged in a groove between every two reinforcing ribs on the outer surface of the steel-plastic winding composite pipe body. The utility model further provides the manufacturing device of the steel-plastic winding composite pipe. The steel-plastic winding composite pipe has the advantages that the strength is high, manufacturing is easy, and the bearing capacity of the pipe is multiplied. Meanwhile, the improvement cost is extremely low, the application range is wide, and the steel-plastic winding composite pipe can be widely suitable for the improvement on various steel-plastic winding composite pipes.
Description
Technical field
The utility model relates to a kind of steel and moulds coiled composite tube and manufacturing installation thereof, is a kind of large diameter steel-plastic composite pipe, and this tubing is mainly used in liquid transportation art.
Background technique
Current domestic feedwater piping has been widely used polyvinyl plastics tubing, the feature of this tubing is very outstanding, there is permanent working life and remarkable decay resistance, and polyethylene pipe adds and does not add heavy metallic salt stabilizer man-hour, material is nontoxic, in addition it can not promote algae, bacterium or conk yet, has solved preferably the secondary pollution problem of cities and towns potable water, has good sanitation performance.Because it is overall plastic tubing, therefore when meeting working pressure and anti-external pressure (ring stiffness), the general wall thickness of tubing is thicker, materials are large, when larger caliber, the cost of material of tubing is very high, domestic generally accomplishing below DN≤1200mm, only have indivedual producers can accomplish DN=1600mm, but equipment investment is also quite large at present.Owing to adopting overall plastic manufacture, heavy caliber pipe out of roundness is very large, opposing external pressure ability is very low, and cost is also high especially, be difficult to be accepted on market, although people had developed the composite strengthening pressure tubing that pressure rank is higher, performance better, material is more economized in recent years, but produce bore generally also below diameter 800mm, most representative is exactly steel wire mesh frame wall tube material with composite structure, also can only produce below diameter 630mm, and the manufacturing mechanism of this tubing is also doubled and redoubled along with producing the increase price of tubing bore.
Polyethylene steel-plastic coiled composite tube industry standard CJ/T 270-2007, due to its unique texture with external spiral tendon, makes its tubing have ring stiffness higher in similar plastic drain pipe, as shown in Figure 7.Can manufacture diameter and be greater than 1200mm, the heavy caliber of Huan Gang Du≤8KN/ ㎡, the drainage pipe of high ring rigidity simultaneously.Heavy caliber drain pipe material is almost steel and moulds joint product in the market, these steel are moulded composite, water-drain pipeline and mostly are structural pipeline with no pressure, all there is the external load of enough ring stiffness energy bedsoil effects and guarantee long-term safety use, but can not be as there being the pipe-line for conveying liquids of pressure to use.
According to claimant, understand, as long as current steel is moulded coiled composite tube, comprise two kinds of patterns, a kind of is wrapped tube and the plain-wall pipe with outer muscle, and these two kinds of tubing respectively have pluses and minuses.
Model utility content
In order to solve the deficiencies in the prior art, the utility model provides a kind of real wall steel of brand new to mould coiled composite tube, intensity than traditional wrapped tube and two flat walls tubing is higher, is particularly useful in high pressure-bearing liquid conveying industries, and has announced the manufacturing installation of this tubing.
The utility model solves the technological scheme that its technical problem adopts: a kind of steel is moulded coiled composite tube, comprise that steel moulds coiled composite tube matrix, it is by steel plastic band material, to be wound around also heat to melt the helical that welding forms that described steel is moulded coiled composite tube matrix, and the outer surface of moulding coiled composite tube matrix at described steel is provided with vertical strengthening rib, it is characterized in that, at described steel, mould coiled composite tube outer surface of matrix and in the groove between strengthening rib, be provided with the helical plastic filler through thermoplastic filling condensation moulding between two.
It is planomural that described steel is moulded coiled composite tube outer surface, i.e. the height of plastic filler and the height of strengthening rib equate.
Further, also be provided be wrapped in described steel mould outside coiled composite tube matrix in groove and be embedded in the hollow profile in described plastic filler, described hollow profile is metal section or rigid plastics section bar, improves further rigidity, the consumption that reduces plastic filler, reduces costs.
A kind of steel is moulded coiled composite tube manufacturing installation, comprise for steel plastic band material being wound in to the Stetch Wrapping Machine of spiral pipe, on the tube forming platform of described Stetch Wrapping Machine, be provided with the support roller of lifting tubing, it is characterized in that, on described tube forming platform, laterally set up a door-shaped frame, and on the crossbeam of described framework, be provided with the pinch roller assembly of upper and lower adjustable position, in described pinch roller assembly, be provided with at least one and can be pressed on steel and mould the lip-deep pinch roller of coiled composite tube, described pinch roller and steel are moulded coiled composite tube and are be arranged in parallel;
Also comprise single screw extrusion machine, and be provided with the extrusion outlet mould in adjustable outlet orientation in described single screw extrusion machine outlet, and be provided with electrical heating elements on described extrusion outlet mould;
Also be provided with hot air apparatus,
Extrusion outlet in described extrusion outlet mould and the blowing mouth of hot air apparatus are successively set on the front downside place that described steel is moulded coiled composite tube pinch roller place.
Further, the steel band uncoiler that before and after also comprising, order arranges, sanction welding machine, flattening machine, electric heating baking oven and cold rolling mill, the section bar outlet of described cold rolling mill faces the groove place that the steel on tube forming platform is moulded coiled composite tube.
Further, described pinch roller assembly comprises oil cylinder or the cylinder being fixed on cruciform bracing, on the piston of described oil cylinder or cylinder, fix a flat board, and between described flat board and crossbeam, be provided with straight-line guidance structure, at two parallel and symmetrically arranged pinch rollers of the rotating installation of downside of described flat board.
The beneficial effects of the utility model are: the steel of this kind of structure is moulded coiled composite tube tool and had the following advantages:
1, intensity is high, owing to being solid wall pipe road, and in pipeline, is provided with steel rib and filler, and with respect to traditional entwining tube and plain-wall pipe, the ring stiffness of tubing is multiplied.
2, be easy to make, mould on the basis of coiled composite tube, carry out compoundly in conventional steel, process lowest optimization, is easy to realize.
3, the bearing capacity of pipeline is multiplied, and owing to having increased plastic filler in groove, and can form secondary plugging to the seam crossing of entwining tube, and pressure-bearing effect improves several times.
4, reforming cost is extremely low, has only increased a set of single-screw extruder and relevant pinch roller assembly.
5, applied widely, can be applicable to widely the upgrading of various types of plastic-steel-wound tubing.
Accompanying drawing explanation
Fig. 1 is the stereogram (local winding) that the utility model steel is moulded coiled composite tube.
Fig. 2 is that steel is moulded one of coiled composite tube tube wall part schematic diagram.
Fig. 3 be steel mould coiled composite tube tube wall part schematic diagram two.
Fig. 4 is one of pattern of steel plastic band material.
Fig. 5 be steel plastic band material pattern two.
Fig. 6 be steel plastic band material pattern three.
Fig. 7 is plastic filler part partial schematic diagram in manufacturing installation.
Fig. 8 is the side view of Fig. 7.
Fig. 9 is A--A place sectional view in Fig. 7.
Figure 10 is one of manufacturing process schematic diagram.
Figure 11 is two of manufacturing process schematic diagram.
In figure: 1 steel is moulded coiled composite tube, 11 vertical strengthening rib, 12 grooves, 13 helical plastic fillers, 14 hollow profiles, 2 tube forming platforms, 21 frameworks, 22 crossbeams, 23 cylinders, 24 flat boards, 25 pinch rollers, 26 directional posts, 27 support rollers, 3 extrusion outlet moulds, 31 fill mouth, 4 hot-air mouths.
Embodiment
As shown in Figures 1 to 6,
Steel is moulded a coiled composite tube, at least comprises following two kinds of base models.
Pattern one, by steel plastic band material, be wound around and heat is melted the helical steel that welding forms and moulded coiled composite tube, the outer surface of moulding coiled composite tube 1 at steel is provided with vertical strengthening rib 11 and groove 12, at steel, mould coiled composite tube outer surface of matrix and in the groove between strengthening rib 12, be provided with the helical plastic filler 13 through thermoplastic filling condensation moulding between two, the outer surface of moulding coiled composite tube at steel so has as depicted in figs. 1 and 2 formed planomural structure, has formed solid two flat walls tubing.
Wherein the pattern of strengthening rib can be any pattern on prior art and existing market, three kinds of common tubing wall patterns in Fig. 4 to Fig. 6, have only been enumerated, by filled plastics material compacting in groove, can form real wall composite pipe, Fig. 4 to Fig. 6 is for explaining, and unrestricted.
Pattern two, be with the distinctive points of pattern one, outside steel is moulded coiled composite tube matrix in groove and be embedded in the hollow profile 14 in described plastic filler, in Fig. 3, the section of hollow profile is n shape, so just can form a cavity, save plastic raw material consumption, by the mode being wound around in advance, form reinforcement structure.The existence of this hollow profile has following benefit at least, and the one, improve further rigidity, the 2nd, the consumption of minimizing plastic filler, reduces materials cost.Certainly, with respect to pattern one, production technology also will be to a step, and technique is relatively long.
A kind of device and the technique of producing above-mentioned composite pipe, describe for pattern one below,
As shown in Fig. 7 to Fig. 9, first need original production line to transform, Stetch Wrapping Machine, tube forming platform, support roller, support roller 27 is positioned on tube forming platform 2, for lifting the wrapped tube of moulding.On the tube forming platform 2 of original Stetch Wrapping Machine, laterally set up a door-shaped frame 21, this shaped steel frame is welded structure, be to adapt to tubing needs of different-diameter, can be made into different size series, or is made into and has the formation of regulating.On the crossbeam 22 of framework 21, be provided with the pinch roller assembly of upper and lower adjustable position, this pinch roller assembly comprises the cylinder 23 being fixed on cruciform bracing, the cylinder body of cylinder is fixed on crossbeam, on the piston of cylinder 23, fix a flat board 24, and be provided with straight-line guidance structure between flat board 24 and crossbeam, this straight-line guidance structure is two directional post 26 structures, can be to make dull and stereotyped in the vertical direction there is the function of lifting, by cylinder 23, can drive dull and stereotyped at the enterprising line displacement in upper and lower orientation, two parallel and symmetrically arranged pinch rollers 25 of the rotating installation of downside dull and stereotyped 24, pinch roller 25 is rigidity major axis wheel, at least across compacting region, like this by regulating the adhesive strength of pinch roller and filling part just can realize the compacting of the material of just having filled, as shown in Figure 7.
Also comprise single screw extrusion machine, be used for molten plastic and the raw material of molten state is extruded, for filled plastics, in single screw extrusion machine outlet, be provided with the second extrusion outlet mould 3 in adjustable outlet orientation, and be provided with electrical heating elements on the second extrusion outlet mould, for temperature correction, make plastics in the second extrusion outlet mould all the time in molten state; Extrusion outlet mould is provided with three and fills mouthfuls 31, can to three grooves, fill simultaneously, and before filling and mouthful being positioned at pinch roller.
Also be provided with hot air apparatus, the hot-air mouth 4 being directly connected with hot air apparatus carries out hot blast processing by the mode of blowing hot-air on composite pipe to it before being positioned at and filling mouth, for the preheating before filling, improves the adhesive strength of filler and groove.
Flow chart as shown in figure 10, the manufacturing process of moulding coiled composite tube for a kind of steel of pattern is as follows:
Step 1, first produces steel plastic band material; By cold-rolled strip raw material successively through uncoiling, cut out weldering, flattening, rust cleaning, oil removing, heating rear haulage to the composite extruding mould of extruder, simultaneously, to the polyolefin plastics that passes into melting in composite extruding mould, after extruding, the first extruder forms described steel plastic band material; Steel plastic band material move backward through sizing and cooling after form the continuous steel plastic band material of moulding, complete the preparation of steel plastic band material;
Step 2, utilizes steel plastic band material to produce steel and moulds coiled composite tube tubing; Continuous steel plastic band material is towed to Stetch Wrapping Machine, through being wound continuous tubing; Be wound around and at steel plastic band material both sides interface, with hot blast, carry out the pre-heat treatment simultaneously, and then with small-sized extruder, to interface, extrude the plastics of melting, to two of steel plastic band material faying surfaces, carry out bonding, with an adjustable pinch roller, bonding part internal surface is carried out to compacting simultaneously, and then shape all-in-one-piece steel moulds coiled composite tube tubing, steel moves backward by bracket after moulding coiled composite tube tube forming;
Step 3, meanwhile, to the polyolefin plastics that passes into melting in the second extrusion die, stand-by;
Step 4, first the groove that utilizes hot blast to mould coiled composite tube tubing to steel carries out the pre-heat treatment, make steel mould surface, coiled composite tube tubing groove place and produce thermoplastic variation, to the air heater of plastic strap heating, be wherein fixed, according to the needs of heating power, one or two heater are set, but the port of heater is for flexibly connecting, it is 300 to 400 degrees Celsius that steel is moulded to the hot blast temperature that carries out preheating in coiled composite tube tubing groove place.Then the polyolefin plastics of the melting of making in step 3 being delivered to steel that step 2 makes by the second extrusion outlet mould moulds the groove place of coiled composite tube tubing and carries out while hot uniform filling, finally use compact wheel to carry out compacting to the plastic filler of filling, form the two flat walls tubing with real wall construction.
As shown in figure 11, for the tubing of pattern two, also need to increase a set of line of product moulding again.The steel band uncoiler that it sequentially arranges before and after comprising, sanction welding machine, flattening machine, electric heating baking oven and cold rolling mill, wherein used for cold rolling mill is in steel band rolling is formed to satisfactory hollow profile, and allow the section bar outlet of cold rolling mill face the groove place that the steel on tube forming platform is moulded coiled composite tube, to be wound around fast, form pattern as shown in Figure 3.First by cold-rolled strip raw material successively through uncoiling, cut out weldering, flattening, rust cleaning, oil removing, heating rear haulage to form the hollow profile of predetermined cross-sectional in cold rolling mill through cold rolling bending, then cause steel and mould in coiled composite tube tubing groove and be wound around.
Embodiment recited above is described preferred implementation of the present utility model; not scope of the present utility model is limited; do not departing under the prerequisite of the utility model design spirit; relevant technical staff in the field, to various distortion of the present utility model and improvement, all should expand in protection domain as determined in the utility model claims.
Claims (6)
1. a steel is moulded coiled composite tube, comprise that steel moulds entwining tube matrix, it is by steel plastic band material, to be wound around also heat to melt the helical that welding forms that described steel is moulded entwining tube matrix, and the outer surface of moulding entwining tube matrix at described steel is provided with vertical strengthening rib, it is characterized in that, at described steel, mould entwining tube outer surface of matrix and in the groove between strengthening rib, be provided with the helical plastic filler through thermoplastic filling condensation moulding between two.
2. a kind of steel according to claim 1 is moulded coiled composite tube, it is characterized in that, it is planomural that described steel is moulded coiled composite tube outer surface.
3. a kind of steel according to claim 1 is moulded coiled composite tube, it is characterized in that, be also provided be wrapped in described steel mould outside entwining tube matrix in groove and be embedded in the hollow profile in described plastic filler.
4. a manufacturing installation of moulding coiled composite tube for the production of arbitrary described steel in claims 1 to 3, comprise for steel plastic band material being wound in to the Stetch Wrapping Machine of spiral pipe, on the tube forming platform of described Stetch Wrapping Machine, be provided with the support roller of lifting tubing, it is characterized in that, on described tube forming platform across having set up a door-shaped frame, and on the crossbeam of described framework, be provided with the pinch roller assembly of upper and lower adjustable position, in described pinch roller assembly, be provided with at least one and can be pressed on steel and mould the lip-deep pinch roller of entwining tube, described pinch roller and steel are moulded entwining tube and are be arranged in parallel;
Also comprise single screw extrusion machine, and be provided with the extrusion outlet mould in adjustable outlet orientation in described single screw extrusion machine outlet, and be provided with electrical heating elements on described extrusion outlet mould;
Also be provided with hot air apparatus,
Extrusion outlet in described extrusion outlet mould and the blowing mouth of hot air apparatus are successively set on the front downside place that described steel is moulded entwining tube pinch roller place.
5. a kind of steel according to claim 4 is moulded the manufacturing installation of coiled composite tube, it is characterized in that, the steel band uncoiler that before and after also comprising, order arranges, sanction welding machine, flattening machine, electric heating baking oven and cold rolling mill, the section bar outlet of described cold rolling mill faces the groove place that the steel on tube forming platform is moulded entwining tube.
6. a kind of steel according to claim 4 is moulded the manufacturing installation of coiled composite tube, it is characterized in that, described pinch roller assembly comprises oil cylinder or the cylinder being fixed on cruciform bracing, on the piston of described oil cylinder or cylinder, fix a flat board, and between described flat board and crossbeam, be provided with straight-line guidance structure, at two parallel and symmetrically arranged pinch rollers of the rotating installation of downside of described flat board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320865865.5U CN203730940U (en) | 2013-12-26 | 2013-12-26 | Steel-plastic winding composite pipe and manufacturing device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320865865.5U CN203730940U (en) | 2013-12-26 | 2013-12-26 | Steel-plastic winding composite pipe and manufacturing device thereof |
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| Publication Number | Publication Date |
|---|---|
| CN203730940U true CN203730940U (en) | 2014-07-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320865865.5U Expired - Fee Related CN203730940U (en) | 2013-12-26 | 2013-12-26 | Steel-plastic winding composite pipe and manufacturing device thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103644394A (en) * | 2013-12-26 | 2014-03-19 | 山东天迈管业有限公司 | Steel-plastic wound multiple pipe and manufacturing device and manufacturing technique of steel-plastic wound multiple pipe |
| CN108000858A (en) * | 2017-12-12 | 2018-05-08 | 安徽蕴通管业科技有限公司 | A kind of HDPE winding pipe production equipment |
| CN117463901A (en) * | 2023-12-25 | 2024-01-30 | 丰果(中国)有限公司 | Alloy pipe layer forming device of explosion-proof pipe |
-
2013
- 2013-12-26 CN CN201320865865.5U patent/CN203730940U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103644394A (en) * | 2013-12-26 | 2014-03-19 | 山东天迈管业有限公司 | Steel-plastic wound multiple pipe and manufacturing device and manufacturing technique of steel-plastic wound multiple pipe |
| CN108000858A (en) * | 2017-12-12 | 2018-05-08 | 安徽蕴通管业科技有限公司 | A kind of HDPE winding pipe production equipment |
| CN108000858B (en) * | 2017-12-12 | 2020-05-19 | 安徽蕴通管业科技有限公司 | HDPE winding pipe production facility |
| CN117463901A (en) * | 2023-12-25 | 2024-01-30 | 丰果(中国)有限公司 | Alloy pipe layer forming device of explosion-proof pipe |
| CN117463901B (en) * | 2023-12-25 | 2024-03-15 | 丰果(中国)有限公司 | Alloy pipe layer forming device of explosion-proof pipe |
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Effective date of registration: 20150324 Granted publication date: 20140723 |
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| PD01 | Discharge of preservation of patent |
Date of cancellation: 20150924 Granted publication date: 20140723 |
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| RINS | Preservation of patent right or utility model and its discharge | ||
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| RINS | Preservation of patent right or utility model and its discharge | ||
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| RINS | Preservation of patent right or utility model and its discharge | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140723 Termination date: 20151226 |