CN106949322B - A kind of bad polyethylene winding structure pipe of anti-floating tension and hot winding, molding method - Google Patents
A kind of bad polyethylene winding structure pipe of anti-floating tension and hot winding, molding method Download PDFInfo
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- CN106949322B CN106949322B CN201710134477.2A CN201710134477A CN106949322B CN 106949322 B CN106949322 B CN 106949322B CN 201710134477 A CN201710134477 A CN 201710134477A CN 106949322 B CN106949322 B CN 106949322B
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- steel roller
- roller cylinder
- pipe
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L9/00—Rigid pipes
- F16L9/16—Rigid pipes wound from sheets or strips, with or without reinforcement
-
- 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
- B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
- B29C53/56—Winding and joining, e.g. winding spirally
- B29C53/58—Winding and joining, e.g. winding spirally helically
- B29C53/581—Winding and joining, e.g. winding spirally helically using sheets or strips consisting principally of plastics material
- B29C53/582—Winding and joining, e.g. winding spirally helically using sheets or strips consisting principally of plastics material comprising reinforcements, e.g. wires, threads
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2027/00—Use of polyvinylhalogenides or derivatives thereof as moulding material
- B29K2027/12—Use of polyvinylhalogenides or derivatives thereof as moulding material containing fluorine
- B29K2027/18—PTFE, i.e. polytetrafluorethene, e.g. ePTFE, i.e. expanded polytetrafluorethene
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
Abstract
The invention discloses a kind of bad polyethylene winding structure pipe of anti-floating tension and hot winding, molding methods, uniform winding has reinforced pipe on the lateral surface of tube body, at least four groups of anti-breaking devices are provided on the side of tube body, anti- breaking device includes two chucking lugs, chucking lug is fixedly connected on the side of tube body, connection is fixed by the connecting rod between two opposite chucking lugs, anti-floating system is provided on the bottom surface of tube body, anti-floating system includes cabinet, cabinet is fixedly connected on tube body, and cabinet is internally provided with filling room.Its forming method includes: that pipe welding, reinforced pipe winding, the cutting of wall nozzle, the cutting of wall nozzle, anti-floating system installation, demoulding, tubing correction of the flank shape and welding wire are pre-buried.Forming method step of the invention is simple, improves the Forming Quality and efficiency of polyethylene winding structure pipe, make its anti-floating and tension it is bad ability it is stronger, improve wall pipe be laid with when stability and reliability, extend its service life.
Description
Technical field
The present invention relates to a kind of bad polyethylene winding structure pipe of anti-floating tension and hot winding, molding methods.
Background technique
In the pressure pipeline of plumbing and chemical pipeline and special media, marches into the arena and need to use polyethylene or poly- third
Alkene pressure pipe.Current thermoplastic material mainly has polyvinyl resin pressure pipe, steel skeleton polyvinyl resin pressure pipe and enhancing
Thermoplastic pipes, but all have the disadvantage in that 1 in the construction process, be easy due to external force is excessive in carrying and construction
It causes to draw bad；2, it is easy to be influenced by liquid buoyancy in practice of construction, increases the difficulty of construction, while be easy to causeing pipeline
Connection leaks.
Summary of the invention
Present invention aims at a kind of anti-floating tension bad polyethylene winding is provided for deficiency of the prior art
The technical solution of structured wall popes and hot winding, molding method, polyethylene winding structure pipe can prevent in the construction process by
Cause the drawing of wall pipe bad in transporting or installing reason, while anti-breaking device can prevent wall pipe bending angle excessive and cause to break
It splits, plays the role of protection, forming method step is simple, the Forming Quality and efficiency of polyethylene winding structure pipe are improved,
Make its anti-floating and tension it is bad ability it is stronger, improve stability and reliability of the wall pipe when being laid with, extend it using the longevity
Life.
In order to solve the above-mentioned technical problem, the present invention adopts the following technical scheme:
A kind of bad polyethylene winding structure pipe of anti-floating tension, including tube body, on the lateral surface of tube body uniform winding have plus
Qiang Guan, it is characterised in that: at least four groups of anti-breaking devices are provided on the side of tube body, anti-breaking device includes two positioning
Ear, chucking lug are fixedly connected on the side of tube body, are fixed by the connecting rod connection between two opposite chucking lugs, are located at pipe
Chucking lug on body circumference is respectively positioned in same perpendicular, and anti-floating system is provided on the bottom surface of tube body, and anti-floating system includes
Cabinet, cabinet are fixedly connected on tube body, and cabinet is internally provided with filling room, and the both ends for loading room are symmetrically arranged with baffle,
Baffle passes through the both ends that fastening screw is fixedly connected on cabinet；By the design of anti-breaking device, poly- second can effectively improve
The stability and intensity of alkene winding structure pipe structure entirety prevent from causing wall due to transporting or installing in the construction process
Pipe drawing is bad, while anti-breaking device can prevent wall pipe bending angle excessive and cause to be broken, and play the role of protection, connecting rod
It is easily installed or dismantles, construction is flexible and convenient, and wall pipe can be effectively prevented during the installation process due to liquid buoyancy in anti-floating system
And deform, play the role of anti-floating, while preventing wall pipe from fracture occurs in junction and causing to leak, improves wall pipe
Quality, anti-floating system determines its weight by the difference of installation site and the buoyancy size of liquid, and can fill in filling room
The buoyancy that corresponding object offsets liquid is filled out, while baffle facilitates filling or takes out object.
Further, welding wire, the S-shaped distribution of welding wire are provided on the both ends medial surface of tube body, S-shaped distribution not only contributes to
Leakproofness after improving welding wire welding, and prevent to leak, improve connection stability and reliability between tube body.
Further, cavity is provided in reinforced pipe, running through in cavity has reinforcing rib, plays enhancing critical external compressive resistance ability, improves
The effect of ring stiffness, prevents tube body from deforming.
Further, the material of reinforced pipe is polypropylene, and polyacrylic elasticity modulus and heat distortion temperature are higher than polyethylene, resist
Pressure energy power is strong, has better protective effect.
Further, steel plate is provided in tube body, is provided with anti-corrosion layer on the medial surface of steel plate, anti-corrosion layer with a thickness of
2~3mm, is provided with polyethylene layer on the lateral surface of steel plate, polyethylene layer with a thickness of 3~4mm, the design of steel plate can be into one
It is bad that step prevents wall pipe from being drawn in transport or construction, improves the strength and stiffness of entire wall pipe.
Further, the material of anti-corrosion layer is polytetrafluoroethylene (PTFE), can prevent the wall pipe range phase from impregnating in a liquid and rotten
Erosion, in turn results in leakage, improves safety.
Further, barb is provided on the top surface of cabinet, it is strong that the connection between anti-floating system and tube body can be improved in barb
Degree.
Such as a kind of hot winding, molding method of the above-mentioned bad polyethylene winding structure pipe of anti-floating tension, it is characterised in that
Include the following steps:
1) pipe welding
A, the first flat material strip is squeezed out by the plate mould on extruder after first melting polytetrafluoroethylene (PTFE), and flat by first
Material strip is uniformly wrapped on steel roller cylinder mould tool in proper order as clockwise, by the heating device on steel roller cylinder mould tool to poly- four
Vinyl fluoride carries out being thermally formed corrosion-resistant coating；
B, steel plate is then curved by cylinder according to the outer diameter of steel roller cylinder mould tool, there are an opening in cylinder, made
Cylindrical internal diameter is greater than the outer diameter 3mm of steel roller cylinder mould tool, and the cylindrical horizontal that steel plate is rolled into is placed, and passes through hoisting mechanism
Steel plate is covered on steel roller cylinder mould tool, then be fitted in steel plate on corrosion-resistant coating with clamp system, and will with hand-held welding machine
Opening soldering in cylinder；
C, then polyvinyl resin is added in extruding machine, 170~190 DEG C of the second flat material strip is squeezed out by flat die plate,
And the second flat material strip is equably wrapped on the steel plate by scheduled position along steel roller cylinder mould tool clockwise；
2) reinforced pipe is wound
A, after pipe welding molding, extruding machine is added in pp material and is heated to 200~220 DEG C, passes through O shape film
O shape band is squeezed out, after O shape band is cooled to room temperature, reinforcing rib is inserted into along the inner cavity of O shape band, makes the head and the tail of reinforcing rib beyond O
Shape band 5~10mm of nozzle；
B, the heating device on steel roller cylinder mould tool is then adjusted to 140~160 DEG C, counterclockwise with 20~25r/min's
Speed rotates steel roller cylinder mould tool, then by O shape band and the radial angle at 15~30 ゜ of steel roller cylinder mould tool with reinforcing rib
It is adjacent to, as the rotation that steel roller cylinder mould has forms spiral winding on its outer lateral surface；
C, after the hot winding of O shape band, the temperature for having steel roller cylinder mould is reduced to room temperature, and will be added with cutting machine
The extra length of strengthening tendons is cut, welded seal after round block then is made with pp material；
3) wall nozzle is cut
After reinforced pipe winding on tube body, the length of cutting is measured with steel ruler at the both ends of wall pipe first, and in wall
Mark is done on pipe, then cutting tool is fixed by the bracket on the side of steel roller cylinder mould tool, and keep cutting tool
It is mutually perpendicular to steel roller cylinder mould tool, steel roller cylinder mould tool is then rotated, while by cutting tool close to wall pipe, by finely tuning spiral shell
Mother adjusts the horizontal distance of cutting tool, in the radial distance for adjusting cutting tool, until cutting tool is contacted with tube body, finally
By bracket autofeed, until the thickness of tube body, steel roller cylinder mould has the backed off after random cutting tool that rotates a circle；
4) anti-breaking device installation
A, the chucking lug to match with tube body is chosen first, the setting position of tube body is vertically welded in, then by steel
Roller mold processed is fixed after rotating clockwise 90 ゜, then chucking lug is vertically welded in the setting position of tube body, until a circumference
On four chucking lugs welding finish；
B, matched position is chosen in the other side of tube body then according to the position of chucking lug, then by chucking lug by
It is a to be soldered to corresponding position；
C, connecting rod is installed between last two adjacent positioned ears in the same horizontal line, and is fixed with nut；
5) anti-floating system is installed
Rotation steel roller cylinder mould tool first, is located above the midpoint between two neighboring anti-breaking device, then by steel
Roller mold processed is fixed, and delineates the installation site of anti-floating system on tube body then according to the design requirement of drawing, and does note
Number, anti-floating system is hung upside down to the top of tube body finally by hoisting mechanism, starts the heating device on steel roller cylinder mould tool, when
Anti-floating system is transferred to tube body after being warming up to 150 DEG C and is contacted by temperature, is buckled into the barb on anti-floating system by extruding and is added
On reinforcing rib in strong pipe, the gap between tube body and anti-floating system is welded after cooling；
6) it demoulds
After the temperature on steel roller cylinder mould tool is reduced to room temperature, workbench is moved into the lower section of wall pipe, in uniform rotation
Steel roller cylinder mould moves workbench while tool outward, has wall pipe with steel roller cylinder mould and is separated；
7) tubing correction of the flank shape
After wall pipe is detached from steel roller cylinder mould tool, polished with hand sander wall pipe both ends；
8) welding wire is pre-buried
Bellmouth inner wall in wall pipe two sides is embedded to welding wire, the S-shaped positioning of welding wire.
The present invention is by adopting the above-described technical solution, have the advantages that
1, by the design of anti-breaking device, it can effectively improve the stability of polyethylene winding structure pipe structure entirety
And intensity, it prevents from causing the drawing of wall pipe bad due to transporting or installing in the construction process, while anti-breaking device can prevent
Wall pipe bending angle is excessive and causes to be broken, and plays the role of protection, and connecting rod is easily installed or dismantles, and construction is flexible and convenient；
2, anti-floating system can be effectively prevented wall pipe and be deformed during the installation process due to liquid buoyancy, play anti-floating
Effect, while prevent wall pipe junction occur fracture and cause to leak, improve the quality of wall pipe；
3, anti-floating system determines its weight by the difference of installation site and the buoyancy size of liquid, and can be in filling room
The middle corresponding object of filling offsets the buoyancy of liquid, while baffle facilitates filling or takes out object；
4, forming method step of the invention is simple, improves the Forming Quality and efficiency of polyethylene winding structure pipe,
Make its anti-floating and tension it is bad ability it is stronger, improve stability and reliability of the wall pipe when being laid with, extend it using the longevity
Life.
Detailed description of the invention
The present invention will be further explained below with reference to the attached drawings:
Fig. 1 is polyethylene in a kind of bad polyethylene winding structure pipe of anti-floating tension of the invention and hot winding, molding method
The structural schematic diagram of winding structure pipe；
Fig. 2 is the structural schematic diagram of middle tube body of the present invention；
Fig. 3 is the structural schematic diagram of anti-floating system in the present invention；
Fig. 4 is the connection schematic diagram of reinforced pipe and tube body in the present invention.
In figure: 1- tube body；2- reinforced pipe；3- anti-floating system；4- chucking lug；5- connecting rod；6- welding wire；7- cabinet；8- dress
Fill out room；9- baffle；10- fastening screw；11- cavity；12- reinforcing rib；13- steel plate；14- barb.
Specific embodiment
It as shown in Figures 1 to 4, is a kind of bad polyethylene winding structure pipe of anti-floating tension of the present invention, including tube body 1, pipe
Welding wire 6, the S-shaped distribution of welding wire 6 are provided on the both ends medial surface of body 1, S-shaped distribution not only contributes to improve the welding of welding wire 6
Leakproofness afterwards, and prevent to leak, improve connection stability and reliability between tube body 1.
Uniform winding has reinforced pipe 2 on the lateral surface of tube body 1, cavity 11 is provided in reinforced pipe 2, running through in cavity 11 has
Reinforcing rib 12 plays the role of enhancing critical external compressive resistance ability, improves ring stiffness, prevents tube body 1 from deforming, the material of reinforced pipe 2
For polypropylene, polyacrylic elasticity modulus and heat distortion temperature are higher than polyethylene, and anti-pressure ability is strong, and there is preferably protection to make
With, steel plate 13 is provided in tube body 1, is provided with anti-corrosion layer on the medial surface of steel plate 13, anti-corrosion layer with a thickness of 2~3mm,
The material of anti-corrosion layer is polytetrafluoroethylene (PTFE), can prevent the wall pipe range phase from impregnating and be corroded in a liquid, in turn result in leakage,
Improve safety, be provided with polyethylene layer on the lateral surface of steel plate 13, polyethylene layer with a thickness of 3~4mm, steel plate 13 is set
It is bad that meter can further prevent wall pipe to be drawn in transport or construction, improves the strength and stiffness of entire wall pipe.
At least four groups of anti-breaking devices are provided on the side of tube body 1, anti-breaking device includes two chucking lugs 4, positioning
Ear 4 is fixedly connected on the side of tube body 1, is fixedly connected between two opposite chucking lugs 4 by connecting rod 5, and tube body 1 is located at
Chucking lug 4 on circumference is respectively positioned in same perpendicular, and anti-floating system 3 is provided on the bottom surface of tube body 1, and anti-floating system 3 wraps
Cabinet 7 is included, cabinet 7 is fixedly connected on tube body 1, and cabinet 7 is internally provided with filling room 8, and the both ends of filling room 8 are symmetrical arranged
There is baffle 9, baffle 9 is fixedly connected on the both ends of cabinet 7 by fastening screw 10, is provided with barb 14 on the top surface of cabinet 7,
The bonding strength between anti-floating system 3 and tube body 1 can be improved in barb 14, by the design of anti-breaking device, can effectively mention
The stability and intensity of high density polyethylene winding structure pipe structure entirety, prevent in the construction process due to transporting or installing
Wall pipe is caused to draw bad, while anti-breaking device can prevent wall pipe bending angle excessive and cause to be broken, and play the role of protection,
Connecting rod 5 is easily installed or dismantles, and construction is flexible and convenient,
Anti-floating system 3 can be effectively prevented wall pipe and be deformed during the installation process due to liquid buoyancy, and anti-floating is played
Effect, while prevent wall pipe junction occur fracture and cause to leak, improve the quality of wall pipe,
Anti-floating system 3 determines its weight by the difference of installation site and the buoyancy size of liquid, and can be in filling room 8
The middle corresponding object of filling offsets the buoyancy of liquid, while baffle 9 facilitates filling or takes out object.Polyethylene winding structure pipe
Physical property it is as shown in table 1.
The physical property of 1 polyethylene winding structure pipe of table
A kind of such as hot winding, molding method of the above-mentioned bad polyethylene winding structure pipe of anti-floating tension, including walk as follows
It is rapid:
1) pipe welding
A, the first flat material strip is squeezed out by the plate mould on extruder after first melting polytetrafluoroethylene (PTFE), and flat by first
Material strip is uniformly wrapped on steel roller cylinder mould tool in proper order as clockwise, by the heating device on steel roller cylinder mould tool to poly- four
Vinyl fluoride carries out being thermally formed corrosion-resistant coating；
B, steel plate 13 is then curved by cylinder according to the outer diameter of steel roller cylinder mould tool, there are an opening in cylinder,
Cylindrical internal diameter is set to be greater than the outer diameter 3mm of steel roller cylinder mould tool, the cylindrical horizontal that steel plate 13 is rolled into is placed, and lifting is passed through
13 sets of steel plate is fitted in steel plate 13 on corrosion-resistant coating on steel roller cylinder mould tool, then with clamp system by mechanism, and with holding
Formula welding machine is by the opening soldering in cylinder；
C, then polyvinyl resin is added in extruding machine, 170~190 DEG C of the second flat material strip is squeezed out by flat die plate,
And the second flat material strip is equably wrapped on steel plate 13 by scheduled position along steel roller cylinder mould tool clockwise；
The strength check of tube body
In formula: σR--- the stress design value of tube body material, N/mm2；
σ --- tube body suffered stress value in the operating condition, N/mm2。
2) reinforced pipe is wound
A, after 1 welding fabrication of tube body, extruding machine is added in pp material and is heated to 200~220 DEG C, passes through O shape
Film squeezes out O shape band, after O shape band is cooled to room temperature, reinforcing rib 12 is inserted into along the inner cavity of O shape band, makes the head of reinforcing rib 12
Tail is beyond O shape band 5~10mm of nozzle；
B, the heating device on steel roller cylinder mould tool is then adjusted to 140~160 DEG C, counterclockwise with 20~25r/min's
Speed rotates steel roller cylinder mould tool, and the O shape band with reinforcing rib 12 is then had the radial angle at 15~30 ゜ with steel roller cylinder mould
Degree is adjacent to, as the rotation that steel roller cylinder mould has forms spiral winding on its outer lateral surface；
C, after the hot winding of O shape band, the temperature for having steel roller cylinder mould is reduced to room temperature, and will be added with cutting machine
The extra length of strengthening tendons 12 is cut, welded seal after round block then is made with pp material；
3) wall nozzle is cut
After reinforced pipe 2 on tube body 1 is wound, first in the both ends of the wall pipe length of steel ruler measurement cutting, and
Mark is done on wall pipe, then cutting tool is fixed by the bracket on the side of steel roller cylinder mould tool, and keep bite
Tool is mutually perpendicular to steel roller cylinder mould tool, then rotates steel roller cylinder mould tool, while cutting tool is passed through fine tuning close to wall pipe
The horizontal distance of nut adjustment cutting tool, in the radial distance for adjusting cutting tool, until cutting tool is contacted with tube body 1,
Finally by bracket autofeed, until the thickness of tube body 1, steel roller cylinder mould has the backed off after random cutting tool that rotates a circle；
4) anti-breaking device installation
A, the chucking lug 4 to match with tube body 1 is chosen first, is vertically welded in the setting position of tube body 1, then will
Steel roller cylinder mould tool is fixed after rotating clockwise 90 ゜, then chucking lug 4 is vertically welded in the setting position of tube body 1, until one
Four chucking lugs 4 welding on circumference finishes；
B, matched position is chosen in the other side of tube body 1 then according to the position of chucking lug 4, then by chucking lug
4 are soldered to corresponding position one by one；
C, connecting rod 5 is installed between last two adjacent positioned ears 4 in the same horizontal line, and is consolidated with nut
It is fixed；
5) anti-floating system is installed
Rotation steel roller cylinder mould tool first, is located above the midpoint between two neighboring anti-breaking device, then by steel
Roller mold processed is fixed, and delineates the installation site of anti-floating system 3 on tube body 1 then according to the design requirement of drawing, and is done
Anti-floating system 3 is hung upside down to the top of tube body 1 finally by hoisting mechanism, starts the heating dress on steel roller cylinder mould tool by mark
It sets, by the decentralization of anti-floating system 3 to contacting with tube body 1 after temperature is warming up to 150 DEG C, makes falling on anti-floating system 3 by squeezing
Hook 14 buckles on the reinforcing rib 12 in reinforced pipe 2, after cooling welds the gap between tube body 1 and anti-floating system 3；
6) it demoulds
After the temperature on steel roller cylinder mould tool is reduced to room temperature, workbench is moved into the lower section of wall pipe, in uniform rotation
Steel roller cylinder mould moves workbench while tool outward, has wall pipe with steel roller cylinder mould and is separated；
7) tubing correction of the flank shape
After wall pipe is detached from steel roller cylinder mould tool, polished with hand sander wall pipe both ends；
8) welding wire is pre-buried
Bellmouth inner wall in wall pipe two sides is embedded to welding wire 6, the S-shaped positioning of welding wire 6, the distance controlling of welding wire and wall tube edges
Be conducive in 3~5mm, energization welding wire pass to tubing heat it is consistent, be unlikely to make tubing local heating occur excessive, and
Make tubing embrittlement.
The technical requirements of polyethylene winding structure pipe are as shown in table 2
The technical requirements of 2 polyethylene winding structure pipe of table
The above is only specific embodiments of the present invention, but technical characteristic of the invention is not limited thereto.It is any with this hair
Based on bright, to realize essentially identical technical effect, made ground simple change, equivalent replacement or modification etc. are all covered
Among protection scope of the present invention.
Claims (1)
1. a kind of hot winding, molding method of the bad polyethylene winding structure pipe of anti-floating tension, the anti-floating tension bad polyethylene twine
It include tube body around structured wall popes, uniform winding has reinforced pipe on the lateral surface of the tube body, is provided on the side of the tube body
At least four groups of anti-breaking devices, the anti-breaking device include two chucking lugs, and the chucking lug is fixedly connected on the tube body
Side on, be fixed by the connecting rod connection between two opposite chucking lugs, on the tube body circumference described in
Chucking lug is respectively positioned in same perpendicular, and anti-floating system is provided on the bottom surface of the tube body, and the anti-floating system includes case
Body, the cabinet are fixedly connected on the tube body, and the cabinet is internally provided with filling room, the both ends pair of the filling room
Title is provided with baffle, and the baffle passes through the both ends that fastening screw is fixedly connected on the cabinet, it is characterised in that including such as
Lower step:
1) pipe welding
A, the first flat material strip is squeezed out by plate mould on extruder after first melting polytetrafluoroethylene (PTFE), and by the first flat material strip
It is uniformly wrapped on steel roller cylinder mould tool in proper order by clockwise, by the heating device on steel roller cylinder mould tool to polytetrafluoroethyl-ne
Alkene carries out being thermally formed corrosion-resistant coating；
B, steel plate is then curved by cylinder according to the outer diameter of steel roller cylinder mould tool, there are an opening in cylinder, makes cylinder
The internal diameter of shape is greater than the outer diameter 3mm of steel roller cylinder mould tool, and the cylindrical horizontal that steel plate is rolled into is placed, by hoisting mechanism by steel
Sleeve-board is on steel roller cylinder mould tool, then with clamp system is fitted in steel plate on corrosion-resistant coating, and with hand-held welding machine by cylinder
Opening soldering in shape；
C, then polyvinyl resin is added in extruding machine, 170~190 DEG C of the second flat material strip is squeezed out by flat die plate, and will
Second flat material strip is equably wrapped on the steel plate by scheduled position along steel roller cylinder mould tool clockwise；
2) reinforced pipe is wound
A, after pipe welding molding, extruding machine is added in pp material and is heated to 200~220 DEG C, passed through O shape film and squeeze out
Reinforcing rib is inserted into along the inner cavity of O shape band after O shape band is cooled to room temperature, makes the head and the tail of reinforcing rib beyond O shape band by O shape band
5~10mm of nozzle；
B, the heating device on steel roller cylinder mould tool is then adjusted to 140~160 DEG C, counterclockwise with the speed of 20~25r/min
Steel roller cylinder mould tool is rotated, then pastes the O shape band with reinforcing rib with the radial angle at 15~30 ゜ of steel roller cylinder mould tool
Tightly, as the rotation that steel roller cylinder mould has forms spiral winding on its outer lateral surface；
C, after the hot winding of O shape band, the temperature for having steel roller cylinder mould is reduced to room temperature, and with cutting machine by reinforcing rib
Extra length is cut, welded seal after round block then is made with pp material；
3) wall nozzle is cut
After reinforced pipe winding on tube body, the length of cutting is measured with steel ruler at the both ends of wall pipe first, and on wall pipe
Mark is done, then cutting tool is fixed by the bracket on the side of steel roller cylinder mould tool, and keep cutting tool and steel
Roller mold processed is mutually perpendicular to, and then rotates steel roller cylinder mould tool, while cutting tool is passed through fine-tuning nut tune close to wall pipe
The horizontal distance for saving cutting tool, in the radial distance for adjusting cutting tool, until cutting tool is contacted with tube body, finally by
Bracket autofeed, until the thickness of tube body, steel roller cylinder mould has the backed off after random cutting tool that rotates a circle；
4) anti-breaking device installation
A, the chucking lug to match with tube body is chosen first, the setting position of tube body is vertically welded in, then by steel roller
Cylinder mould tool is fixed after rotating clockwise 90 ゜, then chucking lug is vertically welded in the setting position of tube body, until on a circumference
Four chucking lug welding finish；
B, matched position is chosen in the other side of tube body then according to the position of chucking lug, then weld chucking lug one by one
It is connected to corresponding position；
C, connecting rod is installed between last two adjacent positioned ears in the same horizontal line, and is fixed with nut；
5) anti-floating system is installed
Rotation steel roller cylinder mould tool first, is located above the midpoint between two neighboring anti-breaking device, then by steel roller
Cylinder mould tool is fixed, and delineates the installation site of anti-floating system on tube body then according to the design requirement of drawing, and do mark, most
Anti-floating system is hung upside down to the top of tube body by hoisting mechanism afterwards, starts the heating device on steel roller cylinder mould tool, works as temperature
Anti-floating system is transferred to tube body after being warming up to 150 DEG C and is contacted, so that the barb on anti-floating system is buckled into reinforced pipe by squeezing
On interior reinforcing rib, the gap between tube body and anti-floating system is welded after cooling；
6) it demoulds
After the temperature on steel roller cylinder mould tool is reduced to room temperature, workbench is moved into the lower section of wall pipe, in uniform rotation steel
Workbench is moved outward while roller mold, has wall pipe with steel roller cylinder mould and is separated；
7) tubing correction of the flank shape
After wall pipe is detached from steel roller cylinder mould tool, polished with hand sander wall pipe both ends；
8) welding wire is pre-buried
Bellmouth inner wall in wall pipe two sides is embedded to welding wire, the S-shaped positioning of welding wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710134477.2A CN106949322B (en) | 2017-03-08 | 2017-03-08 | A kind of bad polyethylene winding structure pipe of anti-floating tension and hot winding, molding method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710134477.2A CN106949322B (en) | 2017-03-08 | 2017-03-08 | A kind of bad polyethylene winding structure pipe of anti-floating tension and hot winding, molding method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106949322A CN106949322A (en) | 2017-07-14 |
| CN106949322B true CN106949322B (en) | 2019-03-08 |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19547821A1 (en) * | 1995-12-20 | 1997-06-26 | Karl Heinz Krah Gmbh Werkzeug | Pipe or the like. Fitting made of thermoplastic and process for its production |
| CN102661455A (en) * | 2012-06-04 | 2012-09-12 | 吴耕田 | Strengthened tubular product and machining method |
| CN102661454A (en) * | 2012-06-04 | 2012-09-12 | 吴耕田 | Anti-floating tubular product for underground pavement and machining method |
| CN202674586U (en) * | 2012-06-15 | 2013-01-16 | 广东永高塑业发展有限公司 | Enhancement-type helical bellow with inner rib tubular product |
| CN202834453U (en) * | 2012-09-29 | 2013-03-27 | 石家庄宝石克拉大径塑管有限公司 | Polyethylene winding structure wall tube suitable for being used underwater |
| CN104197130A (en) * | 2014-09-05 | 2014-12-10 | 中交天津航道局有限公司 | Connecting structure of rigid pipes and transparent pipe |
| CN205320960U (en) * | 2016-01-01 | 2016-06-22 | 三峡大学 | Movable demersal fish lures an album device |
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2017
- 2017-03-08 CN CN201710134477.2A patent/CN106949322B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19547821A1 (en) * | 1995-12-20 | 1997-06-26 | Karl Heinz Krah Gmbh Werkzeug | Pipe or the like. Fitting made of thermoplastic and process for its production |
| CN102661455A (en) * | 2012-06-04 | 2012-09-12 | 吴耕田 | Strengthened tubular product and machining method |
| CN102661454A (en) * | 2012-06-04 | 2012-09-12 | 吴耕田 | Anti-floating tubular product for underground pavement and machining method |
| CN202674586U (en) * | 2012-06-15 | 2013-01-16 | 广东永高塑业发展有限公司 | Enhancement-type helical bellow with inner rib tubular product |
| CN202834453U (en) * | 2012-09-29 | 2013-03-27 | 石家庄宝石克拉大径塑管有限公司 | Polyethylene winding structure wall tube suitable for being used underwater |
| CN104197130A (en) * | 2014-09-05 | 2014-12-10 | 中交天津航道局有限公司 | Connecting structure of rigid pipes and transparent pipe |
| CN205320960U (en) * | 2016-01-01 | 2016-06-22 | 三峡大学 | Movable demersal fish lures an album device |
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| CN106949322A (en) | 2017-07-14 |
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