Conduit pipe, the band and the device of manufacturing conduit pipe
Technical field:
The utility model relates to a kind of conduit pipe, and a kind of specifically have the outer tube of spiral winding and twine the metal reinforced plastic conduit pipe that forms internal lining pipe along the outer tube wall spiral by strengthening the composite plastic band.The invention still further relates to band and the device of making this internal lining pipe.
Background technique
Strengthen the patent ZL200510082911.4 of structured wall popes and the production method that ZL100320114847.X discloses two kinds of steel band reinforced plastic drainpipes at the metal that is used for the waste pipe manufacturing, utilize above-mentioned patent can make diameter greater than 1000mm, ring stiffness>=8KN/m
2Heavy caliber, high ring rigidity plastic draining pipeline.Mostly existing plastic draining pipeline is no laminated structure wall pipeline, all has the external load of enough ring stiffness ability bedsoil effects and guarantees the long-term safety use, but only allow to bear little internal pressure, can not be as there being the aqueduct of pressure to use.
The waste pipe of foregoing invention can't be used for the pressure piping field that fluid pressure is carried owing to pressure energy power in bearing is low.
It is pressure piping that the water delivery of pressure plastic pipe is arranged, the pipeline that commonly pure plastic raw material is made.For guaranteeing that its working pressure and ring stiffness must have enough tube wall thicknesses, the raw material consumption that pipeline consumes on its unit length is just many.When the minor diameter pressure piping was pressed in satisfying usually, its ring stiffness (opposing external load ability) satisfied naturally.But major diameter pressure piping; When it satisfied internal pressure strength, the ability of its opposing external pressure was not enough far away, if make the major diameter pressure tube have opposing external and internal pressure ability simultaneously; Its wall thickness will increase considerably, thereby makes its manufacture cost be difficult to accepted by market.Rank was higher, the better plastic materials of performance although developed in recent years, and also having developed is the pressure tube product of the more excellent compound enhancing of saving raw materials for plastics production, performance, and the common pure pipeline of moulding also has only 730 millimeters of specifications and following product.Representational steel skeleton plastic clad pipe (ZL94104509.9) also can only be produced 600 millimeters of diameters and following steel-plastic composite pressure pipe road as the upgrading products of pure plastic pipe.
The model utility content
First purpose of the utility model provides that a kind of consumable material is few, bore is big, have enough ring stiffness, the conduit pipe of pressing in can carrying again.
Second purpose of the utility model provides a kind of enhancing composite plastic band of making the internal lining pipe of above-mentioned conduit pipe.
The 3rd purpose of the utility model provides a kind of device of making the internal lining pipe of above-mentioned conduit pipe.
For realizing above-mentioned first purpose, the conduit pipe that the utility model provides comprises that spiral twines compound outer tube of enhancing that forms and the enhancing compound lining pipe that is formed by the winding of fiber reinforced plastic composite strip spiral.
Further, described outer tube is compound bellows structure of metal reinforced plastic or the tubular construction with the compound vertical rib of metal reinforced plastic.
Further, said internal lining pipe is twined and is fitted on the outer tube wall along said outer tube wall continuous helical by the compound band of bilaminar fiber reinforced plastic at least and forms, and the spiral that said internal lining pipe covers said outer tube twines seam.
Further, the width of said band is the integral multiple that the outer tube spiral twines width between the seam.
Above-mentioned conduit pipe, its outer tube are mainly used in and guarantee that conduit pipe has enough ring stiffness; Internal lining pipe is pressed in being mainly used in and carrying; Winding structure can be realized the heavy caliber manufacturing; Under the function that composite structure can be pressed, save material in guaranteeing ring stiffness and carrying; At least two webs can increase axial tensile strength; The width of band is that the integral multiple of width between the outer tube spiral winding seam can guarantee the conduit pipe total length is realized that internal lining pipe covers the spiral winding seam of outer tube.
For realizing above-mentioned second purpose, the band of the internal lining pipe of the above-mentioned conduit pipe of manufacturing that the utility model provides comprises plastic strap basic unit and the fiber-reinforced layer compound with band basic unit, and fiber-reinforced layer is wire netting or non metal fiber woven thing.
Further, it is inner that described fiber-reinforced layer is embedded in band basic unit, or be embedded in the band substrate surface.Wire netting is a steel wire, and the non metal fiber woven thing comprises a kind of of nylon fiber, graphite fiber, aramid fibre, glass fibre or their combination.
Further, the warp number of fiber-reinforced layer be the parallel number one to twice, its fibre tensile strength is more than 5 times of employed plastics.Used plastics are PE, PP, PVC.
Above-mentioned belt structure is selected to satisfying the conduit pipe function fully, and the strength relationship of particularly relation of warp number and parallel number, and fiber and plastics is particularly important.
For realizing above-mentioned the 3rd purpose, the device of the above-mentioned conduit pipe internal lining pipe of the manufacturing that the utility model provides comprises that spiral twines the device that forms outer tube, also comprises the device that discharges the band that forms said internal lining pipe; Twine the wind of said band along the outer tube wall spiral; With the heating welding device of band heat welded to outer tube wall; Make the even heating of band closely be welded to the press fit device on the outer tube wall; Cutting tack device.
Further, wind comprises the device that drives the outer tube rotation and makes the axially movable device of outer tube.
Further, wind comprises the device that drives the outer tube rotation and makes the axially movable device of band.
Further, the device of drive outer tube rotation is one group of support outer tube and rotatable friction carrying roller; Making the axially movable device of outer tube is a fixed friction carrying roller and along the axially movable carriage of outer tube.
Further, the device of drive outer tube rotation is one group of support outer tube and rotatable friction carrying roller; Making the axially movable device of band is that it is provided with the device that discharge to form said internal lining pipe band and one along the axially movable support of outer tube.
Further, discharging the device that forms said internal lining pipe band comprises storage tep reel, cantilever support and is arranged on the tape guide roller group on the cantilever support.
Further, heating welding device is arranged on fired heater, the storage heater on the cantilever support and extrudes welding machine.
Further, press fit device is arranged on the press-roller device of the scalable power on the cantilever support.
Conduit pipe of the present invention is through on the Stetch Wrapping Machine of special use; Through winding, welding is fitted in known metal ribs reinforced plastic composite pipe (like ZL20050112528.4) with the enhancing composite strip that above-mentioned fibrous braid and plastics are combined into; Or on the inwall of the bellows (like ZL100320114847.X) that strengthens of metal, form inner wall smooth, press load in can carrying and satisfy the external rings rigidity requirement, can be used as the large-calibre reinforced plastic pressure pipe of aqueduct.
Description of drawings:
To combine accompanying drawing to describe the present invention in detail below.
Fig. 1 is the sectional view of the conduit pipe of the utility model;
Fig. 2 is the band sectional view of internal lining pipe that forms the conduit pipe of Fig. 1;
Fig. 3 is the band sectional view of another kind of form that forms the conduit pipe internal lining pipe of Fig. 1;
Fig. 4 is the schematic representation of the interior braided fabric graticule of band of Fig. 2 and 3;
Fig. 5 is the schematic representation of a kind of mode of execution of the utility model;
Fig. 6 representes that pipe end A is to the schematic representation of observing winding process from device shown in Figure 5;
Fig. 7 is the schematic representation of the another kind of mode of execution of the utility model;
Fig. 8 representes that pipe end A is to the schematic representation of observing winding process from device shown in Figure 7.
Embodiment
Conduit pipe 10 shown in Figure 1 comprises that spiral twines the compound outer tube 11 of enhancing and the spiral that form and twines the enhancing compound lining pipe 12 that forms.
Composite corrugated tubular construction of plastics that said outer tube 11 strengthens for metal or tubular construction with the compound vertical rib of metal reinforced plastic.The plastics composite strip that said internal lining pipe 12 is strengthened by bilaminar fiber at least twines and is fitted on the outer tube wall along said outer tube wall continuous helical and forms, and the spiral that said internal lining pipe covers said outer tube twines seam 13.When the plastics composite strip that is strengthened by multi-layer fiber when internal lining pipe 12 was compounded to form, the winding seam 14 of each layer band was covered by the adjacent layer band.
Fig. 2 shows the band 20 that forms the conduit pipe internal lining pipe, comprises plastic strap basic unit 21 and is embedded in the fiber-reinforced layer 22 in the band basic unit.
Fig. 3 shows the band 20 of another kind of form, and wherein fiber-reinforced layer 22 is embedded in the surface of plastic strap basic unit 21.
Fig. 4 is the distribution map of braided fabric in the band, and it has illustrated the relation of warp 23 with parallel 24.
The fiber-reinforced layer 22 of the band 20 of Fig. 2-4 can be the non-metallic fiber braided fabric, also can be wire netting, particularly steel wire.By the hole on the fiber-reinforced layer 22, fiber-reinforced layer 22 is that a kind of structure stability is good with the band that the compound back of plastics forms, the composite strip of not delamination.
According to twining the needs that form internal lining pipe, the width that strengthens composite plastic band 20 can be selected between the 150-500 millimeter, and in order to cover all outer tube seams, selected width should be the integral multiple of width between outer tube seam; Thickness to be can realize that composite performance the best is a standard, takes into account rolling and the facility of putting band simultaneously, with the 2-5 millimeter for well.
The plastics that band uses can be polyethylene (PE), polypropylene (PP), PVC (PVC).
Referring to Fig. 5 and 6; A kind of mode of execution as the utility model; Twine the device 30 that band forms internal lining pipe along the spiral inner wall of outer tube and comprise a mobile stool 31; One group of support outer tube 11 and revolvable friction carrying roller 32 and the drive unit 33 that drives 32 rotations of friction carrying roller have been installed on it, and the rotation of friction carrying roller 32 drives outer tube 11 and rotates; Below carriage 31, install some can be on guide rail 34 axially movable wheel 35, move axially drive unit 39 and drive a wheel 35 and move vertically along the mobile outer tubes 11 that make carriage 32 drive and be placed on it of guide rail 34.A fixing cantilever support 36 is provided with some tape guide rollers 38 and is used to support and send the band 20 from storing up tep reel 37 on it; Heater 40 and adjustable in pressure joint pressure roller 41 are set on the cantilever support 36.The practical implementation process is following: drive bottom brackets 31 and move axially along guide rail 34 moving axially drive unit 39, thereby the outer tube 11 that is placed on the carriage 31 is moved axially; Along with moving axially of outer tube 11, fixing cantilever support 36 is with from the band 20 of storage tep reel 37 end near outer tube 11; Carriage 31 stops; After the inwall of artificial end with band 20 and outer tube 11 ends begins with the mode seam of covering inwall seam; Carriage 31 continues to move axially, when band 20 from the starting point of outer tube 11 when the direction of being inserted in cantilever support 36 is carried out the inwall seam, carriage 31 chosen axis are to moving forward; Rotating driving device 33 drives 32 rotations of friction carrying roller simultaneously, rotates thereby drive outer tube 11.When band 20 from outer tube 11 starting points when carrying out the inwall seam away from the direction of cantilever support 36, carriage 31 chosen axis are to move backward, rotating driving device 33 drives carrying rollers 32 rotations simultaneously, rotates thereby drive outer tube 11.Band 20 beginnings are twined along the spiral inner wall of outer tube 11, the faying surface of heater 40 outer tube inwalls and band heating simultaneously, and the non-faying surface of 41 pairs of bands of pressure roller is exerted pressure, and pressure roller 41 has pressure controlled function.Strengthen composite plastic band 20 like this and twined and be fitted on the inwall of outer tube 11, reach enhancing composite strip 12 and fuse into one with the compound outer tube 11 inwall plastic bondings of metal reinforced plastic.Different according to the plastics of selecting for use, heater 40 adopts electric heater or fired heater.
Like this; Discharge out the enhancing composite strip 20 of Fixed width through cantilever support 36 and storage tep reel 37, the end on compound outer tube 11 inwalls that metal strengthens begins bonding fusion, then along with the rotation of outer tube 11 with move; Strengthen composite strip 20 and continuously be compound to the other end of pipe 11 from managing an end of 11; Accomplish the first layer internal lining pipe and fit, axial motion in the other direction more as required then strengthens composite strip 20 and in outer tube 11, carries out the applying of second layer internal lining pipe; Up to the needed number of plies and thickness, form internal lining pipe 12.When second layer internal lining pipe is fitted, band can with the equidirectional applying of first layer, (instead) direction of also can intersecting applying with first layer.When the multilayer liner is bonding, can select the liner bonding mode of complex superposition.
Referring to Fig. 7 and 8; As another embodiment of the invention; Twine the device 50 that band forms internal lining pipe along the spiral inner wall of outer tube and comprise pedestal 51; One group of support outer tube 11 and revolvable friction carrying roller 52 and the drive unit 53 that drives 52 rotations of friction carrying roller have been installed on it, and the rotation of friction carrying roller 52 drives outer tube 11 and rotates; Cantilever support 54 be fixedly connected on one can axially movable support 56 on; Install below the support 56 some can be on guide rail 57 axially movable wheel 58, move axially drive unit 59 and drive a wheel 58 and move vertically with storage tep reel 37 along the mobile cantilever support 54 that makes support 56 drive and be fixedly connected above that of guide rail 57; Some tape guide rollers 55 are set on the cantilever support 54 are used to support and send band 20 from storing up tep reel 37; Cantilever support 54 is provided with extrudes welding machine 42 and adjustable in pressure joint pressure roller 41.The practical implementation process is following: drive lower support frames 56 and move axially along guide rail 57 moving axially drive unit 59, thereby fixed connection cantilever support 54 above that and storage tep reel 37 are moved vertically; Along with moving axially of cantilever support 54, cantilever support 54 is with leaning on the into end of outer tube 11 from the band 20 that stores up tep reel 37; Support 56 stops; After the mode seam of inwall with covering inwall seam of artificial end with band 20 and outer tube 11 ends; Support 56 continues to move axially, when band 20 from the starting point of outer tube 11 when the direction of being inserted in cantilever support 54 is carried out the inwall seam, support 56 chosen axis are to moving forward; Rotating driving device 53 drives 52 rotations of friction carrying roller simultaneously, rotates thereby drive outer tube 11; When band 20 from outer tube 11 starting points when carrying out the inwall seam away from the direction of cantilever support 54, support 56 chosen axis are to move backward, rotating driving device 53 drives carrying rollers 52 rotations simultaneously, rotates thereby drive outer tube 11; Band 20 beginning is twined along the spiral inner wall of outer tube 11, extrudes simultaneously that extrusion plastic melts material between the binding face of welding machine 42 outer tube inwalls and band, and the non-faying surface of 41 pairs of bands of pressure roller is exerted pressure, and pressure roller 41 has pressure controlled function.Strengthen composite plastic band 20 like this and twined and be fitted on the inwall of outer tube 11, reach enhancing composite strip 20 and fuse into one with the compound outer tube 11 inwall plastic bondings of steel band reinforced plastic.
Discharge the enhancing composite strip 20 of Fixed width through cantilever support 54 and storage tep reel 37; End on compound outer tube 11 inwalls that Steel Skeleton strengthens begins bonding fusion; Rotation and cantilever support 54 along with outer tube 11 moves axially then, strengthens composite strip 20 and continuously is compound to the other end of pipe 11 from managing an end of 11, accomplishes the first layer internal lining pipe and fits; Axial motion in the other direction more as required then; Strengthen composite strip 20 and in outer tube 11, carry out the applying of second layer internal lining pipe,, form internal lining pipe 12 up to the needed number of plies and thickness.When second layer internal lining pipe is bonding, band can with the equidirectional applying of first layer, (instead) direction of also can intersecting with first layer is fitted.When the multilayer internal lining pipe is fitted, can select the internal lining pipe laminating type of complex superposition.
The foregoing description is only used for explaining the present invention; The mode of execution to the utility model does not form restriction; Notion according to the utility model can change mode of execution; For example, provide the friction carrying roller that rotatablely moves also can be replaced by rotary chuck in the utility model, these replacements will drop in the category of the utility model notion.