CN102303386B - Deep water pipeline composite polyurethane elastomer heat insulation layer casting molding device - Google Patents
Deep water pipeline composite polyurethane elastomer heat insulation layer casting molding device Download PDFInfo
- Publication number
- CN102303386B CN102303386B CN 201110249740 CN201110249740A CN102303386B CN 102303386 B CN102303386 B CN 102303386B CN 201110249740 CN201110249740 CN 201110249740 CN 201110249740 A CN201110249740 A CN 201110249740A CN 102303386 B CN102303386 B CN 102303386B
- Authority
- CN
- China
- Prior art keywords
- die
- mould
- tilt stand
- sinking
- molding device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Thermal Insulation (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a deep water pipeline composite polyurethane elastomer heat insulation layer casting molding device. A subsection machining and integral assembly mode is adopted in a die, heating temperature control devices are arranged corresponding to subsection assemblies in subsections, and heating oil passages are arranged opposite; a positioning structure and a sealing structure are arranged in the parting surface of the die; and the die is provided with a die opening device, a die closing and an inclination device controlled by a hydraulic system. The device realizes mechanical operation of casting molding of a product, and has practical structure and strong operability; by adopting subsection machining in the die, the machining difficulty and the machining cost are reduced, and the machining precision and the machining quality are improved; and meanwhile, three sets of heating devices are used corresponding to three sections of assemblies, so that the heating temperature difference is reduced, the quality of the cast product is improved, automatic control of the temperature of the casting die can be realized, the heat insulation time of the polyurethane heat insulation layer in the die is shortened, and the service efficiency of the casting die is improved.
Description
Technical field
The present invention relates to a kind of casting mold, specifically, relate to a kind of polyurethane elastomer heat-insulation layer cast-molding device that is used for deep water seabed oil (gas) feed-line.
Background technology
The oil gas that offshore oil and gas field is exploited out is except that minority at sea directly the shipment outward transport, and majority is to transfer to land processing and be transported to the user respectively by pipeline.Along with deepening continuously of the offshore oil construction of natural gas fields, the effect of submarine pipeline seems more and more important.
Deep water seabed oil (gas) feed-line is laid in the cold water environment of ocean, needs to bear the sea water static pressure power of certain depth of water.Some crude oil than high-consistency (as the content of wax, contain the contour condensation point crude oil of colloid) are in the defeated process of pipe, as not taking special measure, when being reduced to certain value, oily temperature can separate out HMW and low-molecular-weight wax component successively, make viscosity of crude increase mobile variation, or gas hydrates are separated out with the solid shape like loose ice in high pressure length, cause line clogging when serious, the stopping production accident takes place.Therefore, need the deep water submerged pipeline effectively is incubated processing, to guarantee the normal operation of pipeline.
Shallow water seabed insulating tube heat insulation layer structure is generally two kinds of monolayer heat-insulating pipe structure and double-layer heat insulation tubular constructions.The structure of monolayer heat-insulating pipe is followed successively by oil transportation steel pipe, FBE corrosion-inhibiting coating, polyurethane insulation coating, polyethylene external protection coating from inside to outside, the structure of double layer heat preservation pipe is followed successively by oil transportation steel pipe, polyurethane insulation coating, three layers of PE outer steel pipe from inside to outside, and wherein the density of polyurethane insulation coating is 40-80kg/m
3Because polyurethane insulation coating intensity is low, so monolayer heat-insulating pipe only is applicable to the shallow sea that seawater pressure is lower.Though double layer heat preservation pipe high insulating effect, but unit length double layer heat preservation pipe weight is heavier, and along with the increase of the pipe laying degree of depth, the pulling force that steel tube place is subjected to during pipe laying is big more gradually, the pipe laying barge tension device is difficult to provide the chucking power of necessity, so double layer heat preservation pipe also is difficult to use in the profundal zone.
Main GSPU insulating tube and the multi-layer polypropylene insulating tube of adopting of deep water insulation.The structure of GSPU insulating tube is followed successively by oil transportation steel pipe, FBE external anti-corrosion layer, GSPU heat-insulation layer from inside to outside, and GSPU insulating tube skin does not have the same exterior waterproof coating of monolayer heat-insulating pipe.The GSPU material is a kind of polyurethane elastomer that does not foam, what mainly play insulation effect is the high strength hollow glass microbead, the high-strength polyurethane elastomer is the matrix of GSPU, and key propertys such as GSPU low-density, high strength, high shear strength, low water absorption are provided.The GSPU insulating tube mixes cast by two kinds of materials and forms, a kind of is the mixture of PPG and hollow glass microbead, another kind is an isocyanates, two kinds of raw materials began reaction under temperature 60-90 ℃ condition behind hybrid gun head injection moulding device die cavity, mould domestic demand heat preservation solidification moulding 40-60 minute.
Existing polyurethane insulation coating casting mold is artificial matched moulds, and labour intensity is big; Mould adopts flame heat, has the uneven problem of heating-up temperature, and the heat-insulation layer quality after causing pouring into a mould is inhomogeneous; Because mould is welded with sheet material, so mould is poorly sealed, the material of leakage phenomenon is arranged, very easily on the matched moulds surface, produce defective, cause the repair amount bigger; On the pipe end casting area, produce pore easily when exhaust is obstructed in the mould.Its moulding by casting operating procedure is as follows: manually open upper mould, in upper and lower mould inner surface release agent application; The heating steel pipe, block head is installed at the steel pipe two ends; The lifting steel pipe is gone into mould, artificial matched moulds, mould one end sprue material feeding, an end exhaust outlet exhaust; Slaking insulation material a period of time, artificial die sinking, the steel pipe after the lifting insulation; The cleaning mould inside.
Summary of the invention
What the present invention will solve is that existing polyurethane insulation coating moulding by casting operation is reasonable inadequately, and the not high technical problem of cast product quality overcomes many technology barriers, and a kind of deep underwater pipes composite polyurethane elastic body heat preservation layer cast-molding device is provided.
In order to solve the problems of the technologies described above, device of the present invention is achieved by following technical scheme:
A kind of deep underwater pipes composite polyurethane elastic body heat preservation layer cast-molding device, it comprises:
(a) mould, the opposite opened semicircle mould that this mould is made up of upper die and lower die, described patrix and described counterdie are made of mould steel, polyurethane insulation coating and stainless-steel sheet from inside to outside successively;
Described patrix most significant end is equipped with the blast pipe that communicates with mold cavity, and the least significant end at described counterdie middle part is equipped with the gate spool that communicates with mold cavity;
The land area of described patrix is provided with a plurality of conical dowel pins hole in the axial direction, is provided with a plurality of conical dowel pin axles corresponding to described conical dowel pin hole on the land area of described counterdie, and the land area of described counterdie is provided with the seal groove that sealing joint strip is installed;
Described patrix is connected with a plurality of die-sinking devices that are fixed on the rotation tilt stand in the axial direction, and described counterdie is installed on the described rotation tilt stand by gripper shoe, and is connected with a plurality of mold closing mechanisms that are fixed on the described rotation tilt stand in the axial direction;
Radial equipartition has many guide grooves between the mould steel of described mould and the polyurethane insulation coating, be provided with the heat-conducting oil heating pipe of circulation in the described guide groove, the export and import of described heat-conducting oil heating pipe is connected to heating and temperature controlling device, and described heat-conducting oil heating pipe is relatively layout in groups at described patrix and described counterdie outside with its recycle oil flow path direction;
(b) die-sinking device, this die-sinking device comprises that the bottom is fixed on the die sinking support on the described rotation tilt stand, described die sinking cantilever tip is articulated in the middle part of die sinking rotary suspension arm, described die sinking rotary suspension arm one end is fixed in the top of described patrix, the other end is by being articulated in the die sinking cylinder ends, and described die sinking hydraulic cylinder bottom is articulated in the die sinking hydraulic cylinder bearing that is installed on the described rotation tilt stand;
(c) mold closing mechanism, this mold closing mechanism comprises that the bottom is fixed on the matched moulds support on the described rotation tilt stand, described matched moulds cantilever tip is articulated in the middle part of matched moulds rotation pressure arm, one end of described matched moulds rotation pressure arm is provided with clamping plane, the other end is articulated in the matched moulds cylinder ends, and described closing liquid cylinder pressure bottom-hinged is in the closing liquid cylinder pressure bearing that is installed on the described rotation tilt stand;
(d) rotation tilt stand, a bottom portion of this rotation tilt stand is connected in base by the inclination revolute;
(e) base, this base is positioned over ground;
(f) incline controller, this incline controller comprise the hydraulic tilt cylinder of bottom-hinged in described base middle part, and described hydraulic tilt cylinder end is articulated in described rotation tilt stand middle part;
(g) Hydraulic Station, this Hydraulic Station provides power for described die sinking hydraulic cylinder, described closing liquid cylinder pressure and described hydraulic tilt cylinder.
Described patrix and described counterdie are made up of three sections assemblies in the axial direction equably, connect by flange between per two sections upper die components, connect by flange between per two sections following membrane modules, every section upper die component and every section following membrane module outside are separately installed with one group of described heat-conducting oil heating pipe that is connected in described heating and temperature controlling device.
Described dies cavity is coated with polytetrafluorethylecoatings coatings.
The axial intermediate point of described counterdie and apart from each position of 2 meters of intermediate point, the heat-insulation layer that is respectively arranged with an activity in the least significant end of mold cavity down supports the centering cushion block, and the height that described heat-insulation layer supports the centering cushion block equates with the insulation layer thickness of cast.
Described exhaust pipe lower part is a bullet.
The top of the described rotation tilt stand other end is provided with hanger, and described hanger is used to connect the suspension hook of electric block, and described electric block is installed on the top of electric block bracing frame by suspension ring.
On at least four described die-sinking devices the matched moulds adjusting device that is made of the spiral straight line pair that can stretch is installed, an end of described matched moulds adjusting device is connected in the die sinking rotary suspension arm of described die-sinking device, and the other end is connected in described patrix top.
The angle that described incline controller is controlled between described rotation tilt stand and the described base is 5～30 °.
Described mould total length is 12.5 meters.
The invention has the beneficial effects as follows:
(1) die sinking of the present invention, matched moulds and mould tilt to adopt the hydraulic system operation, have realized the mechanization control of the moulding by casting of deep underwater pipes composite polyurethane elastic body heat preservation layer in actual applications, and the structure practicality is workable.
(2) the present invention can only change mould part transformation according to the caliber size of deep water oil pipeline, and other equipment of cast-molding device are constant, saved production cost to a great extent.
(3) mould inner surface of the present invention is coated with polytetrafluorethylecoatings coatings, owing to have repellency between polytetrafluorethylecoatings coatings and the polyurethane material, therefore with the deep underwater pipes polyurethane elastomer heat-insulation layer product of this casting mold production, need not to use releasing agent at dies cavity, improve surface quality of products, reduced the time and the cost of production.
(4) mould of the present invention adopts the method for segmental machining, whole assembling, adopt the locating flange axial location to connect by three sections assemblies on mould, counterdie is also distinguished the machine-shaping seal groove, mold sections processing can reduce difficulty of processing, save processing cost, improve machining accuracy, better guarantee the crudy of mould inner surface; Simultaneously, corresponding three sections assemblies use a cover heating and temperature controlling device to heat respectively for every section, use three cover heaters altogether, and it is poor to have reduced 12 meters steel pipe heat-insulation layers of length both mold ends heating-up temperature, has improved the quality of cast product.
(5) the present invention arranges the heating pipe line subtend again on the basis of upper and lower mould segmentation heating, reduced the temperature difference at turnover mould heat-conducting oil heating pipe two ends, the bulk temperature of mould is reached unanimity, and the polyurethane elastomer insulation material curing quality in the casting mold reaches unanimity simultaneously.
(6) the present invention has used heating/cooling device and automatic temp controller, can realize the casting mold temperature auto control according to the temperature of cast polyurethane technological requirement, shortened the temperature retention time of polyurethane insulation coating in mould, improve the service efficiency of casting mold, improved the heat-insulation layer quality.
Description of drawings
Fig. 1 is the front view of deep underwater pipes composite polyurethane elastic body heat preservation layer cast-molding device;
Fig. 2 is the vertical view of deep underwater pipes composite polyurethane elastic body heat preservation layer cast-molding device;
Fig. 3 is a mould matched moulds operating position schematic diagram;
Fig. 4 is a mould die sinking operating position schematic diagram;
Fig. 5 is the cast work position view of deep underwater pipes composite polyurethane elastic body heat preservation layer cast-molding device;
Fig. 6 is a mould pipe end plugging device schematic diagram.
Among the figure: 1: patrix, 2: counterdie, 3: die-sinking device, 301: die sinking rotary suspension arm, 302: die sinking support, 303: the die sinking hydraulic cylinder, 304: die sinking hydraulic cylinder bearing, 4: mold closing mechanism, 401: matched moulds rotation pressure arm, 402: matched moulds support, 403: closing liquid cylinder pressure, 404: closing liquid cylinder pressure bearing, 5: incline controller, 6: rotation tilt stand, 7: base, 8: inclination revolute, 9: Hydraulic Station, 10: heating and temperature controlling device, 11: heat-conducting oil heating pipe, 12: electric block bracing frame, 13: electric block, 14: hanger, 15: gate spool, 16: blast pipe, 17: flange, 18: the matched moulds adjusting device, 19: gripper shoe, 20: sealing joint strip, 21: the conical dowel pin hole, 22: the conical dowel pin axle, 23: heat-insulation layer supports centering cushion block, 24: steel pipe, 25: outer anti-corrosive steel tube, 26: mold cavity, 27: the pipe end plugging block.
The specific embodiment
Present embodiment has disclosed a kind of deep underwater pipes composite polyurethane elastic body heat preservation layer cast-molding device, is made up of mould, die-sinking device 3, mold closing mechanism 4, rotation tilt stand 6, base 7, incline controller 5, Hydraulic Station 9, heating and temperature controlling device 10 etc.
As shown in Figure 1, the mould total length in the present embodiment is 12.5 meters, the opposite opened semicircle mould of being made up of patrix 1 and counterdie 2.Mould is by the mould steel manufacturing, and the mould steel outside applies polyurethane heat insulation material, the outside stainless-steel sheet that coats of polyurethane insulation coating.
As shown in Figure 2, mould is made up of three sections assemblies in the axial direction equably, connects by flange 17 between per two sections patrix 1 assemblies, connects by flange 17 between per two sections counterdie 2 assemblies.Patrix 1 and counterdie 2 outsides are separately installed with three cover heat-conducting oil heating pipes 11, and promptly each section patrix 1 assembly and each section counterdie 2 assemblies are corresponding respectively is equipped with a cover heat-conducting oil heating pipe 11.The hot oil inlet and the hot oil outlet of every suit heat-conducting oil heating pipe 11 all are connected in heating and temperature controlling device 10.Heat-conducting oil heating pipe 11 is according to managing interior recycle oil flow path direction in groups in patrix 1 disposed outside, the recycle oil flow path direction of two heat-conducting oil heating pipes 11 of each group is relative, similarly, heat-conducting oil heating pipe 11 also is relatively layout in groups with its recycle oil flow path direction in counterdie 2 outsides.
The guide groove of the Surface Machining of patrix 1 and counterdie 2 and heat-conducting oil heating pipe 11 equal diameters, to being arranged in parallel along circumference, guide groove is 14 to guide groove in the present embodiment along mould shaft, respectively 7 of patrix 1, counterdies 2.
The method that heating and temperature controlling device 10 adopts control conduction oil EGRs to import and export the conduction oil temperature is controlled the size of heating power, thereby realizes temperature controlling in the mould, and its temperature-controlled precision should be ± and 2 ℃.Heating and temperature controlling device 10 can heat mould before cast, and after casting complete, during PPG and the isocyanate reaction heat release mould is cooled off, after PPG and isocyanate reaction heat release are finished, heat, maintain the level that composite polyurethane elastic body heat preservation layer process requires with the solidification temperature of the polyurethane insulation coating of control cast.
Heat-conducting oil heating pipe 11 subtends are arranged, have reduced the temperature difference at turnover mould heat-conducting oil heating pipe 11 two ends, and the bulk temperature of mould is reached unanimity, and the polyurethane elastomer insulation material curing quality in the casting mold reaches unanimity simultaneously.
In conjunction with Fig. 3 and shown in Figure 4, counterdie 2 is fixed by bolts on the rotation tilt stand 6 by axially going up the some gripper shoes 19 that are provided with.Rotation tilt stand 6 both sides are equipped with several die-sinking device 3 and several mold closing mechanisms 4, die-sinking device 3 is fixedlyed connected in mould homonymy layout and with patrix 2 tops, and mold closing mechanism 4 all has layout and can apply clamping force at the matched moulds place of patrix 1 and counterdie 2 in the mould both sides.
Particularly, as shown in Figure 4, die-sinking device 3 mainly is made of die sinking rotary suspension arm 301, die sinking support 302, die sinking hydraulic cylinder 303, die sinking hydraulic cylinder bearing 304.The bottom of die sinking support 302 is fixed on the rotation tilt stand 6, and the middle part of the top of die sinking support 302 and die sinking rotary suspension arm 301 interconnects by rotating shaft.Fixedly connected with the otic placode that is welded on patrix 1 top in the upper end of die sinking rotary suspension arm 301, lower end and die sinking hydraulic cylinder 303 ends interconnect by rotating shaft.The bottom of die sinking hydraulic cylinder 303 and die sinking hydraulic cylinder bearing 304 interconnect by rotating shaft, and die sinking hydraulic cylinder bearing 304 is fixedly welded on the rotation tilt stand 6.Die sinking hydraulic cylinder 303 provides power by Hydraulic Station 9, regulates the piston rod overhang of die sinking hydraulic cylinder 303, can drive 301 related patrix 1 motions of die sinking rotary suspension arm, thereby realizes the folding of mould.
Matched moulds adjusting device 18 also is installed on the part die-sinking device 3, and matched moulds adjusting device 18 is by leading screw and the spiral straight line pair that female sleeve pipe constitutes is set, can be flexible by screwing.One end of matched moulds adjusting device 18 is connected in the die sinking rotary suspension arm 301 of die-sinking device 3, and the other end is connected in patrix 1 top.On entire die, matched moulds adjusting device 18 is provided with four at least, is used to realize patrix 1 and the fine setting of counterdie 2 when matched moulds.
As shown in Figure 3, mold closing mechanism 4 mainly is made of matched moulds rotation pressure arm 401, matched moulds support 402, closing liquid cylinder pressure 403, closing liquid cylinder pressure bearing 404.The bottom of matched moulds support 402 is fixed on the rotation tilt stand 6, and the middle part of the top of matched moulds support 402 and matched moulds rotation pressure arm 401 interconnects by rotating shaft.One end of matched moulds rotation pressure arm 401 is provided with clamping plane, and clamping plane can be pressed in the junction of patrix 1 and counterdie 2 behind the mould matched moulds; The other end and closing liquid cylinder pressure 403 ends of matched moulds rotation pressure arm 401 interconnect by rotating shaft.The bottom of closing liquid cylinder pressure 403 and closing liquid cylinder pressure bearing 404 interconnect by rotating shaft, and closing liquid cylinder pressure bearing 404 is fixedly welded on the rotation tilt stand 6.Closing liquid cylinder pressure 403 provides power by Hydraulic Station 9, regulates the piston rod overhang of closing liquid cylinder pressure 403, can drive 401 motions of matched moulds rotation pressure arm, and during matched moulds, the clamping plane of matched moulds rotation pressure arm 401 compresses patrix and realizes sealed to mould; During die sinking, matched moulds rotation pressure arm 401 opens for die-sinking device 3 patrix 1 of slinging provides necessary condition.
On Fig. 3 and Fig. 4, can also see, the land area of patrix 1 is provided with conical dowel pin hole 21, conical dowel pin hole 21 is provided with a plurality of along the axial direction of patrix 1, position and size corresponding to conical dowel pin hole 21 on the land area of counterdie 2 are equipped with the conical dowel pin axle 22 that matches.Cooperate grafting by conical dowel pin axle 22 with conical dowel pin hole 21, guarantee patrix 1 and the accurate location of counterdie 2 when matched moulds.
Also be processed with seal groove on the land area of counterdie 2, seal groove is generally dovetail groove, and columniform sealing joint strip 20 is installed in the seal groove.The effect of sealing joint strip 20 is to guarantee patrix 1 and the sealing of counterdie 2 when matched moulds, produces when preventing to pour into a mould to leak the material phenomenon, thereby prevents to cause the surface of composite polyurethane elastic body heat preservation layer defective to occur.
As shown in Figure 6, at the most significant end of patrix 1 blast pipe 16 is installed, blast pipe 16 communicates with mold cavity 16, and the bottom of blast pipe 16 is preferably bullet, and this is the smooth demoulding of finishing rear exhaust port for moulding by casting.Least significant end at counterdie 2 middle parts is equipped with gate spool 15, and gate spool 15 communicates with mold cavity 16, and is used for connecting the cast flexible pipe.
Dies cavity spraying polytetrafluorethylecoatings coatings is good, owing to have repellency between polytetrafluorethylecoatings coatings and the polyurethane material, the deep underwater pipes polyurethane elastomer heat-insulation layer product of producing need not to use releasing agent at dies cavity, and surface quality of products also significantly improves.
As shown in Figure 5, above-mentioned rotation tilt stand 6 is welded by shaped steel, and rotation tilt stand 6 one bottom portions are connected in by inclination revolute 8 and are positioned over ground base 7, and base 7 is welded to form by square steel tube.Inclination revolute 8 is made up of the otic placode that is arranged at rotation tilt stand 6 ends, the otic placode and the rotating shaft that are arranged at base 7 ends.Rotation tilt stand 6 is controlled by incline controller 5 with respect to the inclination of base 7, this incline controller 5 comprises the hydraulic tilt cylinder of bottom-hinged in base 7 middle parts, the hydraulic tilt cylinder end is articulated in the middle part of rotation tilt stand 6, and hydraulic tilt cylinder provides power by Hydraulic Station 9.Rotation tilt stand 6 under the effect of hydraulic tilt cylinder around inclination revolute 8 rotation, and and described base between angle be 5～30 °, therefore pouring into a mould angle of regulation range also is 5～30 °.
Air when mould tilts can make cast in the mold cavity 26 is discharged smoothly from bottom to up.Less when the viscosity of polyurethane elastomer insulation material of cast, mobile better the time, smaller value can be got in the angle of inclination of die casting; When the viscosity of the polyurethane elastomer insulation material of cast was big, higher value will be got in the angle of inclination of die casting, to guarantee the smooth exhaust of polyurethane elastomer insulation material of cast, reduces the pouring defect of the air bubble class in the heat-insulation layer.
The top of rotation tilt stand 6 other ends is provided with hanger 14, and in this end arranged outside the electric block bracing frame 12 that is welded to form by shaped steel is arranged.The top of electric block bracing frame 12 is equipped with suspension ring, and suspension ring are connected with electric block 13, and the suspension hook of electric block 13 hangs the hanger 14 of rotation tilt stand 6 ends, and rotation tilt stand 6 is played auxiliary protection function.Rotate to 30 ° of maximum angles when rotating tilt stand 6, the suspension centre of electric block 13 also is elevated to the extreme higher position.
As shown in Figure 6, when building, the steel pipe 24 that the outside is coated with outer anti-corrosive steel tube 25 places mould inside, at the axial intermediate point of counterdie and on apart from each position of 2 meters of intermediate point, the heat-insulation layer that is respectively arranged with an activity in the following least significant end of mold cavity supports centering cushion block 23, and the height that heat-insulation layer supports centering cushion block 23 equates with the insulation layer thickness of cast.The effect that heat-insulation layer supports centering cushion block 23 is to prevent to pour into a mould heat-insulation layer off-centre to occur, to guarantee cast insulation layer thickness uniformity.Mold cavity 26 two ends are respectively arranged with pipe end plugging block 27, and pipe end plugging block 27 is a polyurethane elastomer material, plays the plugging action at mold cavity 26 two ends.
During work, at first preheated mold is to demarcating temperature, and Hydraulic Station 9 is in normal operating conditions, connects the cast flexible pipe to gate spool 15.Mould is horizontal, and on die sinking position; Wherein, the mould of no polytetrafluorethylecoatings coatings carries out further work in the inner surface release agent application of mould after the releasing agent drying.Heating steel pipe 24, outer anti-corrosive steel tube 25 and pipe end plugging block 27 are installed pipe end plugging block 27 and fixation to demarcating temperature at its two ends.Steel pipe 24 is lifted in the mould, and die-sinking device 3 resets, and conical dowel pin axle 22 passes conical dowel pin hole 21.Mold closing mechanism 4 actions, closing liquid cylinder pressure 403 compaction mold sealing flanges, mould assembling action is finished.Rotation tilt stand 6 rotates under the driving of incline controller 5 medium dip oil cylinders, stops when tilting to certain angle and remain to cast cured explosive finishing.Cast urethane elastomer insulation material, cast raw material stop cast when arriving blast pipe 16.Adjust solidification temperature, rotation tilt stand 6 returned to horizontal level after curing was finished.Earlier along cast sawed-off sprue gate, rising head end sebific duct, simultaneously along cast rising head end sawed-off cast rising head sebific duct, hammering loosening cast rising head and sprue gate; Utilize die-sinking device 3 die sinkings then and be fixed on the die sinking position, lifting steel pipe 24 goes out mould; Clear up mould at last.
Although with preferred embodiment the preferred embodiments of the present invention are described in conjunction with the accompanying drawings above; but the present invention is not limited to the above-mentioned specific embodiment; the above-mentioned specific embodiment only is schematic; be not restrictive; those of ordinary skill in the art is under enlightenment of the present invention; not breaking away under the scope situation that aim of the present invention and claim protect, can also make the concrete conversion of a lot of forms, these all belong within protection scope of the present invention.
Claims (9)
1. deep underwater pipes composite polyurethane elastic body heat preservation layer cast-molding device is characterized in that it comprises:
(a) mould, the opposite opened semicircle mould that this mould is made up of upper die and lower die, described patrix and described counterdie are made of mould steel, polyurethane insulation coating and stainless-steel sheet from inside to outside successively;
Described patrix most significant end is equipped with the blast pipe that communicates with mold cavity, and the least significant end at described counterdie middle part is equipped with the gate spool that communicates with mold cavity;
The land area of described patrix is provided with a plurality of conical dowel pins hole in the axial direction, is provided with a plurality of conical dowel pin axles corresponding to described conical dowel pin hole on the land area of described counterdie, and the land area of described counterdie is provided with the seal groove that sealing joint strip is installed;
Described patrix is connected with a plurality of die-sinking devices that are fixed on the rotation tilt stand in the axial direction, and described counterdie is installed on the described rotation tilt stand by gripper shoe, and is connected with a plurality of mold closing mechanisms that are fixed on the described rotation tilt stand in the axial direction;
Radial equipartition has many guide grooves between the mould steel of described mould and the polyurethane insulation coating, be provided with the heat-conducting oil heating pipe of circulation in the described guide groove, the export and import of described heat-conducting oil heating pipe is connected to heating and temperature controlling device, and described heat-conducting oil heating pipe is relatively layout in groups at described patrix and described counterdie outside with its recycle oil flow path direction;
(b) die-sinking device, this die-sinking device comprises that the bottom is fixed on the die sinking support on the described rotation tilt stand, described die sinking cantilever tip is articulated in the middle part of die sinking rotary suspension arm, described die sinking rotary suspension arm one end is fixed in the top of described patrix, the other end is by being articulated in the die sinking cylinder ends, and described die sinking hydraulic cylinder bottom is articulated in the die sinking hydraulic cylinder bearing that is installed on the described rotation tilt stand;
(c) mold closing mechanism, this mold closing mechanism comprises that the bottom is fixed on the matched moulds support on the described rotation tilt stand, described matched moulds cantilever tip is articulated in the middle part of matched moulds rotation pressure arm, one end of described matched moulds rotation pressure arm is provided with clamping plane, the other end is articulated in the matched moulds cylinder ends, and described closing liquid cylinder pressure bottom-hinged is in the closing liquid cylinder pressure bearing that is installed on the described rotation tilt stand;
(d) rotation tilt stand, a bottom portion of this rotation tilt stand is connected in base by the inclination revolute;
(e) base, this base is positioned over ground;
(f) incline controller, this incline controller comprise the hydraulic tilt cylinder of bottom-hinged in described base middle part, and described hydraulic tilt cylinder end is articulated in described rotation tilt stand middle part;
(g) Hydraulic Station, this Hydraulic Station provides power for described die sinking hydraulic cylinder, described closing liquid cylinder pressure and described hydraulic tilt cylinder.
2. a kind of deep underwater pipes composite polyurethane elastic body heat preservation layer cast-molding device according to claim 1, it is characterized in that, described patrix and described counterdie are made up of three sections assemblies in the axial direction equably, connect by flange between per two sections upper die components, connect by flange between per two sections following membrane modules, every section upper die component and every section following membrane module outside are separately installed with one group of described heat-conducting oil heating pipe that is connected in described heating and temperature controlling device.
3. a kind of deep underwater pipes composite polyurethane elastic body heat preservation layer cast-molding device according to claim 1 is characterized in that described dies cavity is coated with polytetrafluorethylecoatings coatings.
4. a kind of deep underwater pipes composite polyurethane elastic body heat preservation layer cast-molding device according to claim 1, it is characterized in that, the axial intermediate point of described counterdie and apart from each position of 2 meters of intermediate point, the heat-insulation layer that is respectively arranged with an activity in the following least significant end of mold cavity supports the centering cushion block, and the height that described heat-insulation layer supports the centering cushion block equates with the insulation layer thickness of cast.
5. a kind of deep underwater pipes composite polyurethane elastic body heat preservation layer cast-molding device according to claim 1 is characterized in that described exhaust pipe lower part is a bullet.
6. a kind of deep underwater pipes composite polyurethane elastic body heat preservation layer cast-molding device according to claim 1, it is characterized in that, the top of the described rotation tilt stand other end is provided with hanger, described hanger is used to connect the suspension hook of electric block, and described electric block is installed on the top of electric block bracing frame by suspension ring.
7. a kind of deep underwater pipes composite polyurethane elastic body heat preservation layer cast-molding device according to claim 1, it is characterized in that, on at least four described die-sinking devices the matched moulds adjusting device that is made of the spiral straight line pair that can stretch is installed, one end of described matched moulds adjusting device is connected in the die sinking rotary suspension arm of described die-sinking device, and the other end is connected in described patrix top.
8. a kind of deep underwater pipes composite polyurethane elastic body heat preservation layer cast-molding device according to claim 1 is characterized in that the angle that described incline controller is controlled between described rotation tilt stand and the described base is 5～30 °.
9. a kind of deep underwater pipes composite polyurethane elastic body heat preservation layer cast-molding device according to claim 1 is characterized in that described mould total length is 12.5 meters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110249740 CN102303386B (en) | 2011-08-26 | 2011-08-26 | Deep water pipeline composite polyurethane elastomer heat insulation layer casting molding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110249740 CN102303386B (en) | 2011-08-26 | 2011-08-26 | Deep water pipeline composite polyurethane elastomer heat insulation layer casting molding device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102303386A CN102303386A (en) | 2012-01-04 |
| CN102303386B true CN102303386B (en) | 2013-07-31 |
Family
ID=45377349
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110249740 Active CN102303386B (en) | 2011-08-26 | 2011-08-26 | Deep water pipeline composite polyurethane elastomer heat insulation layer casting molding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102303386B (en) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103407051A (en) * | 2013-07-19 | 2013-11-27 | 镇江环太硅科技有限公司 | Guide wheel casting mold |
| CN103538200A (en) * | 2013-09-24 | 2014-01-29 | 江苏恒盛达环境科技有限公司 | High-pressure foaming machine for phenolic foam |
| CN104002412B (en) * | 2014-05-14 | 2016-01-27 | 安徽中意胶带有限责任公司 | A kind of hot oil carrier hydronic macromolecular elastomer cast solidification bed |
| CN104089148B (en) * | 2014-05-29 | 2017-01-25 | 成都建筑工程集团总公司 | Heat-preservation die and heat-preservation construction method for ultra-low temperature pipeline |
| CN104260270A (en) * | 2014-09-12 | 2015-01-07 | 北京豪特耐管道设备有限公司 | Forming mould of thermal-insulation layer of thermal-insulation pipeline |
| CN104309048B (en) * | 2014-09-12 | 2017-04-05 | 北京豪特耐管道设备有限公司 | A kind of method of use thin film fabrication insulated piping |
| CN104943041A (en) * | 2015-05-19 | 2015-09-30 | 中国海洋石油总公司 | Method for pouring polyethylene at node joint of deep-water heat insulation pipeline |
| CN109555934A (en) * | 2018-06-15 | 2019-04-02 | 常州江南冶金科技有限公司 | Rise heat exchange of heat pipe insulation construction and production method and production insulation construction model |
| CN109323083A (en) * | 2018-10-30 | 2019-02-12 | 中投（天津）热力股份有限公司 | A kind of efficient, durable heat-insulation pipe manufacturing process |
| CN109702948A (en) * | 2018-12-20 | 2019-05-03 | 湖北航天化学技术研究所 | Mold is used in a kind of compression molding of thermoplastic polyurethane elastomer |
| CN112476907B (en) * | 2020-12-01 | 2022-08-12 | 宁波均胜群英汽车饰件有限公司 | Two-step forming die for polyurethane pouring of real wood ornaments |
| CN112922605B (en) * | 2021-03-31 | 2021-12-14 | 中国矿业大学 | Supplementary construction equipment of high-strength concrete wall of a well structure |
| CN116494453A (en) * | 2023-06-30 | 2023-07-28 | 天津爱思达航天科技股份有限公司 | Mold and method for casting polyurethane foam layer of cylinder |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL6608262A (en) * | 1966-06-15 | 1967-12-18 | ||
| AU2188600A (en) * | 1998-12-16 | 2000-07-03 | Cuming Corporation | Method and apparatus for applying syntactic foam thermal insulation to a length of pipe |
| US20060272727A1 (en) * | 2005-06-06 | 2006-12-07 | Dinon John L | Insulated pipe and method for preparing same |
| WO2009085191A2 (en) * | 2007-12-21 | 2009-07-09 | Cabot Corporation | Syntactic foam compositions, pipelines insulated with same, and method |
-
2011
- 2011-08-26 CN CN 201110249740 patent/CN102303386B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN102303386A (en) | 2012-01-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102303386B (en) | Deep water pipeline composite polyurethane elastomer heat insulation layer casting molding device | |
| CN102514133A (en) | Method for prefabricating marine composite polyurethane heat insulation pipelines | |
| CN202219557U (en) | Mold system of composite polyurethane elastic body insulating layer | |
| CN103691625B (en) | Ductile iron pipe coated lining technique | |
| CN102626771A (en) | Water-cooling casting method and device of hollow pipe blank | |
| CN105665204A (en) | Synchronous plastic coating production device for inner wall and outer wall of steel pipe | |
| CN106594406B (en) | A kind of inner lining plastic tube cast iron pipe and its manufacture method | |
| CN107150450B (en) | Automatic production line and production method for bamboo winding vehicle body | |
| CN204820102U (en) | Seamless steel pipe inner wall spraying solidification all -in -one | |
| CN204829126U (en) | Prefabricated insulating tube of ocean rigid polyurethane spraying | |
| CN205341130U (en) | Synchronous plastic -coated production facility of steel pipe inside and outside wall | |
| CN105909883A (en) | Marine polyurethane spraying prefabricated thermal insulation balance weight pipe and preparation method thereof | |
| CN113021743A (en) | Production platform for pouring inclined type prefabricated direct-buried thermal insulation pipe at one end without support | |
| CN103386764A (en) | Method for manufacturing super-huge type glass fiber reinforced plastic storage tank | |
| CN204914175U (en) | Evaporate and support cover | |
| CN104191515B (en) | An a kind of machine two-wire is from insulation wallboard manufacture system and working method | |
| CN214091091U (en) | Concrete curing means for subway engineering | |
| CN110039023A (en) | Bellmouth device for ductile iron pipe production | |
| CN115326668A (en) | Anti-rust and anti-permeability experimental detection equipment for environment-friendly building material and method thereof | |
| CN204842107U (en) | Even device of scribbling of seamless steel pipe inner wall | |
| CN203449520U (en) | Thermal rotational molding for external anti-corrosion layer of pipeline | |
| CN107570670A (en) | A kind of large-scale pair is opened automatic turning core shooter walking mechanism | |
| CN113043635A (en) | Acid-resistant and alkali-resistant composite pipeline | |
| CN104728553B (en) | Submarine pipeline additional weight layer opening repairing structure | |
| CN109382238B (en) | Conveying device for high-solid and high-viscosity materials and using method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100016 4705 mailbox, CNOOC building, 25 Chaoyangmen North Street, Dongcheng District, Beijing. Co-patentee after: CNOOC Energy Development Co., Ltd. Patentee after: China Offshore Oil Group Co., Ltd. Co-patentee after: Zhucheng Shengan Casting Machinery Co.,Ltd. Address before: 100016 4705 mailbox, CNOOC building, 25 Chaoyangmen North Street, Dongcheng District, Beijing. Co-patentee before: CNOOC Energy Development Co., Ltd. Patentee before: China National Offshore Oil Corporation Co-patentee before: Zhucheng Shengan Casting Machinery Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |