CN106079472A - The production line of One-step production prefabricated plastic utilidor - Google Patents
The production line of One-step production prefabricated plastic utilidor Download PDFInfo
- Publication number
- CN106079472A CN106079472A CN201610367171.7A CN201610367171A CN106079472A CN 106079472 A CN106079472 A CN 106079472A CN 201610367171 A CN201610367171 A CN 201610367171A CN 106079472 A CN106079472 A CN 106079472A
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- China
- Prior art keywords
- heat
- insulation layer
- inner tube
- shaping
- laminating
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/15—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor incorporating preformed parts or layers, e.g. extrusion moulding around inserts
- B29C48/151—Coating hollow articles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/20—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of indefinite length
- B29C44/32—Incorporating or moulding on preformed parts, e.g. linings, inserts or reinforcements
- B29C44/322—Incorporating or moulding on preformed parts, e.g. linings, inserts or reinforcements the preformed parts being elongated inserts, e.g. cables
- B29C44/324—Incorporating or moulding on preformed parts, e.g. linings, inserts or reinforcements the preformed parts being elongated inserts, e.g. cables the preformed parts being tubular or folded to a tubular shape
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/001—Combinations of extrusion moulding with other shaping operations
- B29C48/0012—Combinations of extrusion moulding with other shaping operations combined with shaping by internal pressure generated in the material, e.g. foaming
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/16—Articles comprising two or more components, e.g. co-extruded layers
- B29C48/18—Articles comprising two or more components, e.g. co-extruded layers the components being layers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/355—Conveyors for extruded articles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2023/00—Tubular articles
- B29L2023/22—Tubes or pipes, i.e. rigid
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Thermal Insulation (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses the production line of a kind of One-step production prefabricated plastic utilidor, including set gradually and the extrusion device for extrusion molding work inner tube, the cooling apparatus for shaping for cooling work inner tube of shaping, for the continuous foamed shaped device of continuous foamed parcel heat-insulation layer in work inner tube, on heat-insulation layer continuously laminating outer jacket casing and for drawing the traction apparatus of plastic, thermal-insulation pipeline；Described extrusion device includes plastic extruder and is arranged on described plastic extruder the mould for shaping work inner tube；Described cooling apparatus for shaping includes negative pressure shaping case and the chiller being set to one, is provided with the shaper for work inner tube of shaping in described negative pressure shaping case；Described continuous foamed shaped device includes foaming machine and for wrapping up the heat-insulation layer shaped device of heat-insulation layer in work inner tube continuously.The production line of the One-step production prefabricated plastic utilidor of the present invention, it is possible to realize the continuous production of plastic, thermal-insulation pipeline.
Description
Technical field
The present invention relates to the production line of a kind of plastic, thermal-insulation pipe, concrete uses One-step production prefabricated plastic to protect for one
The production line of temperature pipeline.
Background technology
Traditional heat distribution pipeline, typically worked by steel inner tube, anticorrosive coat, heat-insulation layer and protective layer constitute, this thermal pipe
The production method in road is: at single suit protection outer tube outside the steel pipe straight tube of preservative treatment, and in steel pipe straight tube and protection
Mounting bracket between outer tube, to maintain the coaxial state between steel pipe straight tube and protection outer tube, then irrigates heat-insulation layer.Therefore,
Due to the construction features of existing heat distribution pipeline, straight-run of pipe can only be produced every time, producing installation when, use scene piecemeal
Electric welding connects.The Chinese patent of some prefabricated thermal pipe product, such as Publication No. CN 102278544A is open in recent years
A kind of prefabricated direct burial composite insulating pipes of plastic working pipes, only plastic conduit is replaced steel pipe, produces the most piecemeal, peace of constructing
Dress.
Owing to existing heat distribution pipeline all uses the mode that fill piecemeal produces, hence without being specifically designed for heat distribution pipeline
Tinuous production, i.e. uses existing heat distribution pipeline to produce equipment, and heat distribution pipeline cannot realize producing continuously, in construction and installation
Time need Piecemeal erection, do not only result in production efficiency low, and cause construction and installation efficiency relatively low, and each section of thermal pipe
Numerous junction points between road cause the potential safety hazard of hot duct system.
Summary of the invention
In view of this, it is an object of the invention to provide the production line of a kind of One-step production prefabricated plastic utilidor,
It is capable of the continuous production of plastic, thermal-insulation pipeline.
For reaching above-mentioned purpose, the present invention provides following technical scheme:
The production line of a kind of One-step production prefabricated plastic utilidor, including setting gradually and for extrusion molding work inner tube
Extrusion device, for shape cooling work inner tube cooling apparatus for shaping, for work inner tube on continuous foamed parcel protect
The continuous foamed shaped device of temperature layer, for the continuous casing of laminating outer jacket and be used for drawing plastics and protect on heat-insulation layer
The traction apparatus of temperature pipeline；Described extrusion device includes plastic extruder and is arranged on described plastic extruder for molding work
Make the mould of inner tube；Described cooling apparatus for shaping includes negative pressure shaping case and the chiller being set to one, described negative
The shaper for work inner tube of shaping it is provided with in compression set molding box；Described continuous foamed shaped device include foaming machine and for
Work inner tube is wrapped up the heat-insulation layer shaped device of heat-insulation layer continuously.
Further, described heat-insulation layer shaped device includes that frame, described frame are provided with two conveyer mechanisms, described biography
Tape-feed includes at least two belt wheel and the conveyer belt being sleeved on described belt wheel, during the described belt wheel that two of which is adjacent is
The work belt wheel that heart line is parallel with the direction of feed of work inner tube, in two described conveyer mechanisms, lays respectively at correspondence
Conveyer belt between two described work belt wheels is parallel to each other；Heat-insulation layer forming mold unit, institute are installed on described conveyer belt
One end end face stating the most described conveyer belt of heat-insulation layer forming mold unit is provided with half slot；It is separately positioned on two described biographies
Upper and between two corresponding described work belt wheels the heat-insulation layer forming mold unit of band is sent to cooperate and by described half
Circular groove split forms the circular tube shaped heat-insulation layer shaping channel passed for work inner tube, the dimensioning of described heat-insulation layer shaping channel
The very little physical dimension more than work inner tube；The expanded material delivery outlet of described foaming machine is positioned at described heat-insulation layer shaping channel.
Further, in described casing, it is provided with the continuous fit body for outer jacket of fitting continuously on heat-insulation layer,
Described continuous fit body includes mould of fitting, and is provided with the central through hole passed for pipeline, described patch in described laminating mould
Outer layer extrusion molding structure it is provided with in mould；Described outer layer extrusion molding structure includes being arranged on entering on described laminating mould
Material mouth and the material buffer chamber that described charging aperture communicates and the extrusion molding passage coaxial with described central through hole, described extrusion
Shaping channel communicates with described material buffer chamber；Described laminating mould is provided with the sealing structure with tube fit, and described patch
Mould is provided with the negative port between the discharging opening of described sealing structure and described extrusion molding passage, described negative pressure
Interface communicates with described central through hole.
Further, the inwall of described central through hole is additionally provided with the heater for heating pipeline outer wall.
Further, described sealing structure includes being fixedly mounted on described laminating mould and coordinate with the periphery wall of pipeline
Sealing ring.
Further, described laminating mould includes laminating head and laminating support, described laminating head and the patch of fixing connection
Closing the axes intersect coordinating face and described central through hole between support, described outer layer extrusion molding structure is arranged on described laminating
On head, described sealing structure is arranged on described laminating support.
Further, adopt to be screwed between described laminating head with described laminating support and be connected, and described laminating head
And it is provided with alignment pin between described laminating support.
Further, also include being arranged on rear side of described traction apparatus and for the wrap-up of rolling plastic, thermal-insulation pipeline.
Further, it is additionally provided with set composite between described cooling apparatus for shaping and described continuous foamed shaped device.
The beneficial effects of the present invention is:
The production line of the One-step production prefabricated plastic utilidor of the present invention, by arranging extrusion device, it is possible to extrusion molding
The work inner tube of plastic, thermal-insulation pipeline, by arranging cooling apparatus for shaping, it is possible to work inner tube is carried out cooling and shaping, by setting
Put continuous foamed shaped device, it is possible in work inner tube, wrap up the heat-insulation layer of foaming, by arranging casing, it is possible to protecting
Fit outer jacket, by arranging traction apparatus on temperature layer, it is possible to traction plastic, thermal-insulation pipeline feeding forward, so, just can be real
The continuous production of existing plastic, thermal-insulation pipeline, i.e. uses the production line of the One-step production prefabricated plastic utilidor of the present invention, gram
Take the defect that existing utilidor can only produce piecemeal, it is possible to realize the continuous production of plastic, thermal-insulation pipeline.
By arrange in the frame of heat-insulation layer shaped device two in the belt mechanism being oppositely arranged, during use, make
The linear velocity of conveyer belt is equal with the feed speed of work inner tube, and the moving direction of the flat segments of two conveyer belts is interior with work
The direction of feed of pipe is identical, so, utilizes foaming machine by expanded material output to heat-insulation layer shaping channel and to fill heat-insulation layer
Type passage, can wrap up, in work inner tube, the heat-insulation layer being made up of expanded material, it is possible to meet heat-insulation layer quantity-produced and want
Ask.
By arranging continuous fit body in casing, it is possible to direct extrusion molding outer jacket, outer jacket is fitted in
On heat-insulation layer, and and seal one confined space of formation between structure, by sealing structure and the discharging of extrusion molding passage
Negative port is set to this confined space evacuation, it is possible to effectively strengthen the laminating between outer jacket and heat-insulation layer strong between Kou
Degree；Owing to the effect of negative pressure can strengthen laminating intensity, though the periphery wall out-of-flatness of heat-insulation layer, it is also possible to by heat distribution pipeline
Outer jacket is fitted on heat-insulation layer, is i.e. particularly well-suited to the smooth surface of the intentional or unintentional certain moulding of insulation layer surface, outward
Sheath remains able to appropriate fitting on heat-insulation layer, thus realizes producing the most continuously of heat distribution pipeline, improves production efficiency.
Accompanying drawing explanation
In order to make the purpose of the present invention, technical scheme and beneficial effect clearer, the present invention provides drawings described below to carry out
Illustrate:
Fig. 1 is the structural representation of the production line embodiment of One-step production prefabricated plastic utilidor of the present invention；
Fig. 2 is the structural representation of continuous foamed shaped device；
Fig. 3 is the structural representation of extrusion molding passage；
Fig. 4 is the structural representation of continuous fit body；
Fig. 5 is that the production line using the present embodiment One-step production prefabricated plastic utilidor produces the one of which plastics obtained
The structural representation of utilidor.
Detailed description of the invention
The invention will be further described with specific embodiment below in conjunction with the accompanying drawings, so that those skilled in the art is permissible
It is better understood from the present invention and can be practiced, but illustrated embodiment is not as a limitation of the invention.
As it is shown in figure 1, be the structural representation of the production line embodiment of One-step production prefabricated plastic utilidor of the present invention
Figure.The production line of the One-step production prefabricated plastic utilidor of the present embodiment, including setting gradually and for extrusion molding work
Make the extrusion device 1 of inner tube, for the cooling apparatus for shaping 2 of cooling work inner tube 24 of shaping, for connecting in work inner tube 24
The continuous foamed shaped device 3 of supervention bubble parcel heat-insulation layer 25, being cladded with for outer jacket 26 of fitting continuously on heat-insulation layer 25
Device 4 and for drawing the traction apparatus 5 of plastic, thermal-insulation pipeline.The One-step production prefabricated plastic utilidor of the present embodiment
Production line also includes being arranged on rear side of traction apparatus 5 and for the wrap-up 6 of rolling plastic, thermal-insulation pipeline.Extrusion device 1 wraps
Include plastic extruder and be arranged on plastic extruder the mould for shaping work inner tube.Cooling apparatus for shaping 2 includes
It is set to negative pressure shaping case and the chiller of one, in negative pressure shaping case, is provided with the shaper for work inner tube of shaping；
Continuous foamed shaped device includes foaming machine 7 and for wrapping up the heat-insulation layer shaped device 8 of heat-insulation layer in work inner tube continuously.
Concrete, it is additionally provided with set composite 9 between cooling apparatus for shaping 2 and the continuous foamed shaped device 3 of the present embodiment, it is simple in work
Make in inner tube, to process all kinds of composite bed, as processed enhancement Layer 27 and barrier layer 30 in work inner tube, and be easy in work
Types of functionality structure is processed, such as heat tracing cable hole 31 and leakage alarm line etc. on pipe.As it is shown in figure 5, use the present embodiment one step
The production line of method production prefabricated plastic utilidor produces the plastic, thermal-insulation pipeline obtained and includes work inner tube 24, heat-insulation layer 25 and
Outer jacket 26, is provided with enhancement Layer 27 between work inner tube 24 and heat-insulation layer 25, is provided with inner structural layer inside and outside enhancement Layer 27
28 and outer structural layer 29, it is provided with barrier layer 30 between inner structural layer 28 and work inner tube 24.
The production line of the One-step production prefabricated plastic utilidor of the present embodiment, by arranging extrusion device 1, it is possible to squeezes
Go out the work inner tube of moulding plastics utilidor, by arranging cooling apparatus for shaping 2, it is possible to work inner tube is carried out cooling fixed
Type, by arranging continuous foamed shaped device 3, it is possible to wraps up the heat-insulation layer of foaming in work inner tube, is cladded with dress by setting
Put 4, it is possible to outer jacket of fitting on heat-insulation layer, by arranging traction apparatus 5, it is possible to traction plastic, thermal-insulation pipeline feeding forward,
So, just it is capable of the continuous production of plastic, thermal-insulation pipeline, i.e. uses the One-step production prefabricated plastic insulating tube of the present invention
The production line in road, overcomes the defect that existing utilidor can only produce piecemeal, it is possible to realize the continuous raw of plastic, thermal-insulation pipeline
Produce.
Further, the heat-insulation layer shaped device 8 of the present embodiment includes that frame 9, frame 9 are provided with two conveyer mechanisms,
Conveyer mechanism includes at least two belt wheel and the conveyer belt 10 being sleeved on belt wheel, connects centered by the belt wheel that two of which is adjacent
The work belt wheel 10a that line is parallel with the direction of feed of work inner tube, in two conveyer mechanisms, lays respectively at two works of correspondence
The conveyer belt 10 made between belt wheel 10a is parallel to each other；Being provided with heat-insulation layer forming mold unit 11 on conveyer belt 10, heat-insulation layer becomes
One end end face of mould unit 11 conveyer belt 10 dorsad is provided with half slot 12；It is separately positioned on two conveyer belts 10 and position
Heat-insulation layer forming mold unit 11 between two corresponding work belt wheel 10a cooperates and is formed by half slot 12 split
The circular tube shaped heat-insulation layer shaping channel 13 passed for the inner tube that works, the physical dimension of heat-insulation layer shaping channel 13 is more than in work
The physical dimension of pipe；The expanded material delivery outlet of foaming machine 7 is positioned at described heat-insulation layer shaping channel 13.Two of the present embodiment
The belt wheel of conveyer mechanism is disposed as two, and i.e. two belt wheels are work belt wheel 10a.It is arranged on the foaming on foaming machine 7
Material delivery outlet is located close in the heat-insulation layer shaping channel 13 of cooling apparatus for shaping 2 one end, i.e. the expanded material of foaming machine 7 is defeated
Outlet, near one end of the work inner tube entrance heat-insulation layer shaping channel 13 of plastic, thermal-insulation pipeline, during use, utilizes foaming machine 7 to incite somebody to action
Expanded material is injected between work inner tube and heat-insulation layer shaping channel 13, the outer wall of the inner tube that i.e. works and heat-insulation layer shaping channel
Heat-insulation layer forming area is formed between 13 inwalls.In the present embodiment, it is arranged on conveyer belt 10 and is positioned at two work belt wheel 10a
Between adjacent two heat-insulation layer forming mold unit 11 between sidewall fit tightly, i.e. heat-insulation layer forming mold unit 11 nothing
It is spaced apart and arranged on conveyer belt 10.Concrete, in process of production, in the work after cooling apparatus for shaping 2 sizing cooling
Pipe enters the interior and continuous feeding forward of heat-insulation layer shaping channel 13, the linear velocity of two conveyer belts 10 of regulation and plastic, thermal-insulation pipeline
The feed speed of work inner tube equal, and make heat-insulation layer forming mold unit 11 between two work belt wheel 10a
Moving direction with work inner tube direction of feed identical, utilize foaming machine 7 continuously expanded material is poured in work inner tube with
Between heat-insulation layer shaping channel, make expanded material shape under the effect of heat-insulation layer shaping channel and be wrapped in work inner tube formation
Heat-insulation layer.
Further, the continuous fit body for outer jacket of fitting continuously on heat-insulation layer it is provided with in casing 5, continuously
Fit body includes mould 14 of fitting, and is provided with the central through hole 15 passed for pipeline, in laminating mould 14 in laminating mould 14
It is provided with outer layer extrusion molding structure.The outer layer extrusion molding structure of the present embodiment includes the charging aperture being arranged on laminating mould 14
16 lead to the material buffer chamber 17 that charging aperture 16 communicates and the extrusion molding passage 18 coaxial with central through hole 15, extrusion molding
Road 18 communicates with material buffer chamber 17；Laminating mould 14 is provided with in the sealing structure with tube fit, and laminating mould 14 and sets
Have at the negative port 19 sealed between structure and the discharging opening of extrusion molding passage 18, negative port 19 and central through hole 15
Communicate.
Preferably, in those cases when heating is desired, the inwall of the central through hole 15 of the present embodiment is additionally provided with for heating
The heater 20 of pipeline outer wall.The extrusion molding passage 18 of the present embodiment is the cylindrical passageway that internal diameter is constant, and extrusion molding
The discharging opening of passage 18 is positioned at laminating mould 14 on the end face that pipeline passes central through hole 15 one end.Certainly, extrusion molding is led to
Road 18 may be arranged as tapered channel, it is possible to is positioned on the inwall of central through hole 15 by the discharging opening of extrusion molding passage 18
Or be positioned on the end face of laminating mould 14, its principle is suitable, is not repeated.
Further, the sealing ring that structure includes being fixedly mounted on laminating mould 14 and coordinating with the periphery wall of pipeline is sealed
21.Laminating mould 14 includes the laminating head 14a and laminating support 14b of fixing connection, laminating head 14a and laminating support 14b
Between the axes intersect coordinating face and central through hole 15, outer layer extrusion molding structure is arranged on laminating head 14a, seals knot
Structure is arranged on laminating support 14b.Use screw 22 fixing even between the laminating head 14a and laminating support 14b of the present embodiment
Connect, and be provided with alignment pin 23 between laminating head 14a and laminating support 14b.
By arranging continuous fit body in casing 5, it is possible to direct extrusion molding outer jacket, outer jacket is fitted in
On heat-insulation layer, and and seal and form a confined space between structure, by sealing going out of structure and extrusion molding passage 18
Between material mouth, negative port 19 is set to this confined space evacuation, it is possible to effectively strengthen the laminating between outer jacket and heat-insulation layer
Intensity；Owing to the effect of negative pressure can strengthen laminating intensity, though the periphery wall out-of-flatness of heat-insulation layer, it is also possible to by plastic, thermal-insulation
The outer jacket of pipeline is fitted on heat-insulation layer, is i.e. particularly well-suited to the smooth table of the intentional or unintentional certain moulding of insulation layer surface
Face, outer jacket remains able to appropriate fitting on heat-insulation layer, thus realizes producing the most continuously of heat distribution pipeline, improves and produce
Efficiency.
Embodiment described above is only the preferred embodiment lifted by absolutely proving the present invention, the protection model of the present invention
Enclose and be not limited to this.The equivalent that those skilled in the art are made on the basis of the present invention substitutes or conversion, all in the present invention
Protection domain within.Protection scope of the present invention is as the criterion with claims.
Claims (9)
1. the production line of an One-step production prefabricated plastic utilidor, it is characterised in that: include setting gradually and for squeezing
Go out the extrusion device of shaping work inner tube, for the cooling apparatus for shaping of cooling work inner tube of shaping, in work inner tube
The continuous foamed shaped device of continuous foamed parcel heat-insulation layer, on heat-insulation layer continuously laminating outer jacket casing and
For drawing the traction apparatus of plastic, thermal-insulation pipeline；Described extrusion device includes plastic extruder and is arranged on described plastic extrusion
For the mould of shaping work inner tube on machine；Described cooling apparatus for shaping includes being set to the negative pressure shaping case of one and cold
Radiator cooler, is provided with the shaper for work inner tube of shaping in described negative pressure shaping case；Described continuous foamed shaped device bag
Include foaming machine and for wrapping up the heat-insulation layer shaped device of heat-insulation layer in work inner tube continuously.
The production line of One-step production prefabricated plastic utilidor the most according to claim 1, it is characterised in that: described guarantor
Temperature formable layer device includes that frame, described frame are provided with two conveyer mechanisms, and described conveyer mechanism includes at least two
Belt wheel and the conveyer belt being sleeved on described belt wheel, centered by the described belt wheel that two of which is adjacent, line and the inner tube that works enters
To the work belt wheel that direction is parallel, in two described conveyer mechanisms, lay respectively between two described work belt wheels of correspondence
Conveyer belt be parallel to each other；Heat-insulation layer forming mold unit, described heat-insulation layer forming mold unit are installed on described conveyer belt
One end end face of the most described conveyer belt is provided with half slot；It is separately positioned on two described conveyer belts and is positioned at the two of correspondence
Heat-insulation layer forming mold unit between individual described work belt wheel cooperates and is formed for working by described half slot split
The circular tube shaped heat-insulation layer shaping channel that inner tube passes, the physical dimension of described heat-insulation layer shaping channel is more than the geometry of work inner tube
Size；The expanded material delivery outlet of described foaming machine is positioned at described heat-insulation layer shaping channel.
3., according to the production line of the One-step production prefabricated plastic utilidor described in any one of claim 1 or 2, its feature exists
In: it is provided with the continuous fit body for outer jacket of fitting continuously on heat-insulation layer, described continuous laminating in described casing
Mechanism includes mould of fitting, and is provided with the central through hole passed for pipeline, is provided with in described laminating mould in described laminating mould
Outer layer extrusion molding structure；Described outer layer extrusion molding structure includes being arranged on the charging aperture on described laminating mould with described
Material buffer chamber that charging aperture communicates and the extrusion molding passage coaxial with described central through hole, described extrusion molding passage and institute
State material buffer chamber to communicate；Described laminating mould is provided with the sealing structure with tube fit, and described laminating mould is provided with
Negative port between the discharging opening of described sealing structure and described extrusion molding passage, described negative port with described in
Heart through hole communicates.
The production line of One-step production prefabricated plastic utilidor the most according to claim 3, it is characterised in that: in described
The heater for heating pipeline outer wall it is additionally provided with on the inwall of heart through hole.
The production line of One-step production prefabricated plastic utilidor the most according to claim 3, it is characterised in that: described close
Seal structure includes the sealing ring being fixedly mounted on described laminating mould and coordinating with the periphery wall of pipeline.
The production line of One-step production prefabricated plastic utilidor the most according to claim 3, it is characterised in that: described patch
Mould includes laminating head and the laminating support of fixing connection, the cooperation face between described laminating head and laminating support and institute
Stating the axes intersect of central through hole, described outer layer extrusion molding structure is arranged on described laminating head, and described sealing structure sets
Put on described laminating support.
The production line of One-step production prefabricated plastic utilidor the most according to claim 6, it is characterised in that: described patch
Close to adopt to be screwed between head and described laminating support and be connected, and be provided with between described laminating head and described laminating support
Alignment pin.
The production line of One-step production prefabricated plastic utilidor the most according to claim 1, it is characterised in that: also include
It is arranged on rear side of described traction apparatus and for the wrap-up of rolling plastic, thermal-insulation pipeline.
The production line of One-step production prefabricated plastic utilidor the most according to claim 1, it is characterised in that: described fixed
It is additionally provided with set composite between type chiller and described continuous foamed shaped device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610367171.7A CN106079472A (en) | 2016-05-30 | 2016-05-30 | The production line of One-step production prefabricated plastic utilidor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610367171.7A CN106079472A (en) | 2016-05-30 | 2016-05-30 | The production line of One-step production prefabricated plastic utilidor |
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| CN106079472A true CN106079472A (en) | 2016-11-09 |
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| CN201610367171.7A Pending CN106079472A (en) | 2016-05-30 | 2016-05-30 | The production line of One-step production prefabricated plastic utilidor |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107030924A (en) * | 2017-05-11 | 2017-08-11 | 象州县科学技术情报研究所 | A kind of plastic master batch conveys pellet device |
| CN109027524A (en) * | 2018-09-04 | 2018-12-18 | 唐山兴邦管道工程设备有限公司 | Can early warning insulating tube and one one-step production method, sizing cooling jacket and step molding machine |
| CN111716675A (en) * | 2020-06-15 | 2020-09-29 | 刘俊英 | Production line and manufacturing method of polyurethane thermal insulation plastic composite pipe with plastic outer protective pipe |
| CN112103895A (en) * | 2020-09-22 | 2020-12-18 | 河北润达石化工程建设有限公司 | Prefabricated cable trench and construction method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107030924A (en) * | 2017-05-11 | 2017-08-11 | 象州县科学技术情报研究所 | A kind of plastic master batch conveys pellet device |
| CN109027524A (en) * | 2018-09-04 | 2018-12-18 | 唐山兴邦管道工程设备有限公司 | Can early warning insulating tube and one one-step production method, sizing cooling jacket and step molding machine |
| CN111716675A (en) * | 2020-06-15 | 2020-09-29 | 刘俊英 | Production line and manufacturing method of polyurethane thermal insulation plastic composite pipe with plastic outer protective pipe |
| CN112103895A (en) * | 2020-09-22 | 2020-12-18 | 河北润达石化工程建设有限公司 | Prefabricated cable trench and construction method |
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Application publication date: 20161109 |