CN104416896B - The serialization processing method and equipment of a kind of plastic flexible pipe - Google Patents
The serialization processing method and equipment of a kind of plastic flexible pipe Download PDFInfo
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- CN104416896B CN104416896B CN201310390743.XA CN201310390743A CN104416896B CN 104416896 B CN104416896 B CN 104416896B CN 201310390743 A CN201310390743 A CN 201310390743A CN 104416896 B CN104416896 B CN 104416896B
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- flexible pipe
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- belt
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Abstract
The invention discloses the serialization processing method and equipment of a kind of plastic flexible pipe, wherein method includes：Spiral wound flexible band and skeleton bar on to plug, each circle flexible-belt carries overlap edge with upper one circle flexible-belt, and double-decker is formed at overlap edge, the skeleton bar is wrapped in inside the double-decker, the part that flexible-belt and the skeleton bar is wrapped on plug obtains the plastic flexible pipe of integrative-structure through cooling, drive plastic flexible pipe to progressively disengage plug one end vertically, and the without interruption of flexible-belt and skeleton bar is kept in the other end of plug.The serialization processing method and equipment of plastic flexible pipe of the present invention, the continuous production of plastic flexible pipe can be realized, compared with prior art in manual operation, production efficiency can be greatly improved, meanwhile it can also ensure that the plastic flexible pipe that production obtains has stable better quality.
Description
Technical field
The present invention relates to plastic flexible pipe manufacture field, and in particular to a kind of serialization processing method of plastic flexible pipe and sets
It is standby.
Background technology
Plastic flexible pipe is the important component in modern industry, is had a wide range of application.Plastic flexible pipe can directly pass through extruder
Extrusion forming, but the plastic flexible pipe of directly extrusion forming may be not strong enough, it is necessary to increase the lining of auxiliary enhancing.
A kind of water power dual-purpose composite pipes of disclosure of the invention that Authorization Notice No. is CN101255935, for the defeated of Cooling and Heat Source
The terminal of pipeline and refrigerating and heat-supplying is sent, includes the plastic flexible pipe and heater circuit of water delivery, described heater circuit is temp auto-controlled
Ribbon heater, its structure are the circuits of its heating capacity temperature controlled, and its outer layer is provided with wire sheathing；Described is temperature self controlled electrically-heated
Band mutually fits on the length direction of plastic flexible pipe, with plastic flexible pipe；The inner tube of described plastic flexible pipe is negative for that can produce
Ecosphere of the composite of the tourmaline or tourmaline of ion and sterilization functions as main ecomaterial；If metallic shield dissipates
Hotting mask is by the plastic flexible pipe mutually to fit and self temperature control heating tape be wrapped or vertical bag, the outermost layer of described water power dual-purpose composite pipes
For the reinforced sheath made of the insulating materials of flexibility.
The multiple tube that the invention is prepared by setting sandwich construction to make can be used as the conveying of all Cooling and Heat Sources, again may be used
As the terminal of refrigerating and heat-supplying and air-conditioning, realize that the energy is complementary and effectively utilizes, increase water quality.
In the prior art, the method for the intensity of most convenient easy increase plastic flexible pipe is to increase skeleton in plastic flexible pipe
Bar, make plastic flexible pipe compressive resistance increase on the whole, the ability with good resistance deformation.Manufacture the side of this plastic flexible pipe
Method, essentially manual operation, i.e., using pole as masterplate, wind the plastic tape and skeleton bar of flexibility on pole at present, adjacent
Two circle plastic tapes have overlapping part, and skeleton bar is clipped between two layers of overlapped plastic tape, after the completion of winding, heated
Melting, mutual merge becomes one structure between making plastic tape, then extracts pole out, obtains plastic flexible pipe.
Due to being manual operation, one side production efficiency is relatively low, and the plastic flexible pipe quality on the other hand obtained is very unstable
It is fixed, meanwhile, after the completion of winding, some techniques such as cooling and the demoulding are also heated, production procedure is longer, is not suitable for extensive
Industrial application.
The content of the invention
The invention provides the serialization processing method and equipment of a kind of plastic flexible pipe, the continuous of plastic flexible pipe can be realized
Metaplasia is produced, and production efficiency is improved, meanwhile, it is capable to ensure the stability of plastic flexible pipe quality.
A kind of serialization processing method of plastic flexible pipe, including to spiral wound flexible band on plug and skeleton bar, often
One circle flexible-belt carries overlap edge with upper one circle flexible-belt, and double-decker is formed at overlap edge, and the skeleton bar is wrapped
It is rolled in inside the double-decker, the part that flexible-belt and the skeleton bar is wrapped on plug obtains integrative-structure through cooling
Plastic flexible pipe, drive plastic flexible pipe to progressively disengage plug one end vertically, and flexible-belt and skeleton are kept in the other end of plug
Bar it is without interruption.
Continuous winding flexible-belt and skeleton bar on to plug, the flexible-belt of two adjacent rings have superposed overlap edge,
Skeleton bar is clipped between two layers superposed of overlap edge, flexible-belt and skeleton bar be not wrapped on plug before be molten
State, after being wrapped on plug, two layers of overlap edge is mutually merged, and after supercooling, solidification is structure as a whole, and skeleton bar is clamped
It is fixed between two layers of overlap edge.It can be used during cooling and pour the modes such as condensed water outside.
After obtaining the plastic flexible pipe of integrative-structure, traction plastic flexible pipe progressively disengages one end of plug vertically, in core
Rod other end flexible-belt without interruption and skeleton bar, realize the continuous production of plastic flexible pipe.
Preferably, when plastic flexible pipe progressively disengages plug vertically, driving plastic flexible pipe is around the relative rotation of plug excircle
Turn.
Plastic flexible pipe is rotated relative to the excircle of plug, and plastic flexible pipe can be made to be easier to be separated with plug.
Preferably, the inwall in plastic flexible pipe applies for driving plastic flexible pipe to progressively disengage plug one end vertically
Axial force and the circle peripheral force for driving plastic flexible pipe to be rotated against around plug excircle.
In order to realize that the inwall in plastic flexible pipe applies axial force and circle peripheral force, it is preferable that the outer wall of the plug
Some rotary parts that axial force and circle peripheral force are provided for plastic flexible pipe are installed.
The initial bonding position of the flexible-belt and plug is in the side-lower of plug, flexible at initial bonding position
It is pre- conformable region between band and the outer wall of plug.
Preferably, the relative axial position of the initial bonding position and plug of flexible-belt and plug immobilizes.
The initial bonding position of flexible-belt and plug immobilizes, i.e., in process, the feeding mechanism of flexible-belt with
The relative position of plug can be easy to the setting of flexible-belt and plug with constant.
Preferably, on plug after the plastic flexible pipe of acquisition predetermined length, stop the conveying of skeleton bar only to mandrel outer
Wall winds flexible-belt, obtains the changeover portion for not containing skeleton bar, after obtaining the changeover portion of predetermined length, recovers the outer wall to plug
Convey and wind skeleton bar, after the changeover portion departs from plug with plastic flexible pipe, cut changeover portion.
When cutting changeover portion, clamping has been detached from the plastic flexible pipe of mandrel segment, changeover portion is tightened gathering, then carries out
Cutting.
Flexible-belt and the skeleton bar is without interruption by the first extruder and the second extruder respectively.The skeleton article is by
After the output of two extruders, enter pre- conformable region by the way that Action of Gravity Field is sagging, the skeleton bar into pre- conformable region is just outer with plug
Wall is vertically tangent.
In order to keep the flow uniformity of the second extruder extruded stock, when the second extruder stops conveying skeleton bar, protect
The operation of the second extruder is held, extruded stock is switched into transfer container.
The die head of second extruder is provided with two discharging openings, and one of them is skeleton bar discharging opening, during another is
Produce material mouth（It is corresponding with transfer container）, skeleton bar discharging opening and transfer discharging opening set a sliding valve core respectively, and set
There is the cylinder for promoting sliding valve core to open and close corresponding discharging opening.Cylinder can set one, can also set two, respectively
Control the action of two sliding shoes.
When second extruder needs to export skeleton bar, cylinder promotes one of sliding valve core to open skeleton bar discharging opening,
Close transfer discharging opening, it is not necessary to which when exporting skeleton bar, cylinder promotes sliding valve core to close skeleton bar discharging opening, another by promoting
An outer sliding valve core opens transfer discharging opening.
Present invention also offers a kind of equipment that can realize the serialization processing plastic flexible pipe method, a kind of serialization
The equipment for processing plastic flexible pipe, including：
Plug；
For to the first extruder of the plug flexibility of supply band；
For supplying the second extruder of skeleton bar to the plug；
Along some support frames of plug axial arranging, the outward flange of each support frame carries some necks；
Around some gib blocks of plug periphery distribution, every gib block is located on each support frame in corresponding neck,
And every gib block is distributed in the excircle of plug with predetermined winding angle；
For driving each gib block around the drive mechanism of own axis.
Gib block is pole shape, and a diameter of 3~10mm of gib block, gib block is 5~30 degree around the winding angle of plug.
First extruder and the second extruder are respectively continuously to plug flexibility of supply band and skeleton bar, flexible-belt and skeleton bar
The spiral winding on plug, each circle flexible-belt carries overlap edge with upper one circle flexibility, and double-deck knot is formed at overlap edge
Structure, the skeleton bar are wrapped in the inside of double-decker, and flexible-belt and skeleton bar heat melting, be wrapped on plug in advance
Afterwards, the plastic flexible pipe of integrative-structure is obtained through supercooling.
Drive mechanism drives each gib block around own axis, because gib block has certain winding angle around plug,
Therefore, when each gib block is around own axis, frictional force is produced to the inwall of plastic flexible pipe, i.e., applies axial force and circle simultaneously
Peripheral force, plastic flexible pipe rotate under the circle peripheral force driving of each gib block around plug, make plastic flexible pipe be easy to depart from plug, together
When, plastic flexible pipe progressively disengages plug one end under the driving of the axial force of each gib block.
Support frame as described above is disc, and the neck on the support frame is evenly distributed on the outward flange of disk.Each gib block is embedding
In the neck of relevant position.Gib block penetrates into corresponding neck vertically during installation, and card slot mouth slightly collapses, and can prevent
Gib block diametrically departs from support frame.
Preferably, the drive mechanism includes：
Motor；
Transmission case, there is the input with motor linkage, and the output end with each gib block linkage；
Taper guide holder, with some pilot holes parallel with itself generatrix direction, every gib block is one corresponding to
Individual pilot hole.
Can be by setting gear train to realize that motor drives each gib block around the rotation of own axes, taper in transmission case
Guide holder collapses each gib block, to adapt to the caliber needs of plastic flexible pipe.
Preferably, the plug includes：
Interior bar；
The interior bar is driven to be rotated around own axes, to adjust the actuating unit of gib block winding angle；
The multiple regulation cutting ferrules being sequentially sleeved in the interior bar, each excircle for adjusting cutting ferrule are fixed with a correspondence
Support frame.
Every gib block rotates around the axis of itself, because the relative interior bar of gib block has certain winding angle, therefore, lead
It can be decomposed into perpendicular to interior bar to the angular speed of bar own rotation and be oriented to parallel to the component in interior bar both direction, increase
The winding angle of bar, on the premise of gib block own rotation angular speed is constant, accordingly perpendicular to the angular speed in interior bar direction
Component increase, and reduce parallel to the component of the angular speed in interior bar direction, i.e. flexible-belt is wrapped in the periphery of plug faster, and
The speed that is moved axially after the completion of winding reduces, comprehensive function as a result, the winding angle of increase gib block, flexible-belt winding speed
Degree is accelerated, the plastic flexible pipe wall thickness increase of formation.
One end of the interior bar is the head end extended to after the transmission case at actuating unit, and the other end is along plastics
Flexible pipe departs from the end of plug direction extension, and each regulation cutting ferrule is sequentially located between taper guide holder and end.
Preferably, in each regulation cutting ferrule, one of closest end fixes with interior bar, adjacent two regulation cutting ferrules
Between be provided with and be used to drive the snap-in structure that rotates in a circumferential direction each other；Circumferential fit clearance is carried between the snap-in structure being engaged.
One regulation cutting ferrule of closest end is fixed with interior bar, when actuating unit driving interior bar rotates, drives the regulation
Cutting ferrule rotates, and by the snap-in structure between two neighboring regulation cutting ferrule, drives all regulation cutting ferrules to rotate successively, due to phase
Carry circumferential fit clearance between adjacent regulation cutting ferrule, therefore all anglecs of rotation for adjusting cutting ferrule and not all identical, for example,
The regulation cutting ferrule of least significant end rotates 30 degree, and adjacent regulation cutting ferrule only rotates 28 degree, and along end to transmission case direction, revolves
Gyration is successively decreased successively in the form of arithmetic progression.
Preferably, the snap-in structure is the jut axially extended in the end of regulation cutting ferrule, adjacent two
The jut of individual regulation cutting ferrule is mutually clamped upwards in circumference, and carries the circumferential fit clearance.
The taper guide holder be relatively fixed, some guide rings of split settings, each guide ring leads with described
Xiang Kong, and the pilot hole on each guide ring aligns in the upward position of circumference.
It is gradually reduced along the head end of interior bar to end direction, the external diameter of each guide ring, the pilot hole on each guide ring
Also it is gradually reduced with the distance of taper guide holder axis.
The serialization processing method and equipment of plastic flexible pipe of the present invention, the continuous production of plastic flexible pipe, phase can be realized
Than manual operation of the prior art, production efficiency can be greatly improved, meanwhile, it can also ensure the plastic flexible pipe that production obtains
With stable better quality.
Brief description of the drawings
Fig. 1 is the schematic diagram of the serialization process equipment of plastic flexible pipe of the present invention（Omit the first extruder and the second extrusion
Machine）；
Fig. 2 is the top view of the serialization process equipment of plastic flexible pipe of the present invention；
Fig. 3 illustrates for the position of the first extruder and the second extruder in the serialization process equipment of plastic flexible pipe of the present invention
Figure；
Fig. 4 is the schematic diagram that cutting ferrule is adjusted in the serialization process equipment of plastic flexible pipe of the present invention；
Fig. 5 is two in the serialization process equipment of the plastic flexible pipe of the present invention adjacent connection diagrams for adjusting cutting ferrule；
Fig. 6 be plastic flexible pipe of the present invention serialization process equipment in the second extruder die head position schematic diagram.
Embodiment
The serialization processing method of plastic flexible pipe provided by the invention, comprises the following steps：
（1）The initial bonding position of spiral wound flexible band and skeleton bar on to plug, flexible-belt and plug is in core
The side-lower of rod, it is pre- conformable region between the flexible-belt of initial bonding position and the outer wall of plug；
The relative axial position of the initial bonding position and plug of flexible-belt and plug immobilizes；
Skeleton bar enters pre- conformable region by the way that Action of Gravity Field is sagging, and in the pre- conformable region, skeleton bar is just outer with plug
Vertical tangent of wall；
Each circle flexible-belt carries overlap edge with upper one circle flexible-belt, and double-decker, skeleton are formed at overlap edge
Bar is wrapped in inside the double-decker；
（2）The part that flexible-belt and skeleton bar are wrapped on plug obtains the plastic flexible pipe of integrative-structure through cooling,
The inwall of plastic flexible pipe applies the axial force for driving plastic flexible pipe to progressively disengage plug one end vertically, and for driving
Plastic flexible pipe around the circumference that plug excircle rotates against to
Power；
（3）Under the drive of axial force, plastic flexible pipe progressively disengages plug one end vertically, and is protected in the other end of plug
Hold the without interruption of flexible-belt and skeleton bar；
（4）After the plastic flexible pipe that predetermined length is obtained on plug, the conveying for stopping skeleton bar is only wound to plug outer wall
Flexible-belt, the changeover portion for not containing skeleton bar is obtained, after obtaining the changeover portion of predetermined length, recover to convey simultaneously to the outer wall of plug
Skeleton bar is wound, after changeover portion departs from plug with plastic flexible pipe, the plastic flexible pipe that clamping has been detached from mandrel segment makes changeover portion
Gathering is tightened, then cuts changeover portion.
Realize the equipment of serialization processing method of the plastic flexible pipe as shown in Figure 1, Figure 2, Figure 3, Figure 4, including：
Plug；
For to the first extruder 11 of plug flexibility of supply band 10；
For supplying the second extruder 13 of skeleton bar 9 to plug；
Along some support frames 7 of plug axial arranging, the outward flange of each support frame 7 carries some necks 14；
Around some gib blocks 4 of plug periphery distribution, every gib block 4 is located in corresponding neck on each support frame 7
In 14, and every gib block 4 is distributed in the excircle of plug with predetermined winding angle；
For driving each gib block 4 around the drive mechanism of own axis.
Referring to Fig. 6, the die head 131 of second extruder 13 of the present embodiment is provided with two discharging openings, and one of them is skeleton
Bar discharging opening 132, another is transfer discharging opening 133（It is corresponding with transfer container）, skeleton bar discharging opening 132 and transfer discharge
Mouth 133 sets a sliding valve core respectively, and respectively sliding valve core 134 and sliding valve core 135, two sliding valve cores pass through respectively
Cylinder 136 and cylinder 137 drive.The motion of sliding valve core 134 and sliding valve core 135 can control skeleton bar discharging opening respectively
132 and the opening and closing of transfer discharging opening 133.
The position of two cylinders can use multiple mounting modes, it is preferred that emphasis is the control to two valve elements, arrow in figure
Direction represents the flow direction of extruded stock.In order to ensure sealing, can also be set in the matching part of die head and two sliding valve cores
Necessary seal member.
As shown in Figure 1 and Figure 2, drive mechanism includes：Motor 2, transmission case 3 and taper guide holder 5；Wherein transmission case 3 has
There are the input with motor linkage, and the output end to be linked with each gib block 4；Taper guide holder 5 carries and itself bus
The parallel some pilot holes in direction, every gib block 4 pass through a corresponding pilot hole.
Can be by setting gear train to realize the transmission of motor and each gib block 4, for example, passing through row inside transmission case 3
Star wheel series are realized, i.e., are rotated by motor driven central gear, some and central gear is uniformly distributed around central gear excircle
The little gear of engagement, each little gear axle center wear a gib block 4, during pinion rotation, drive gib block 4 to rotate.
Gib block 4 is pole shape, and a diameter of 5mm of gib block 4, gib block 4 is 10 degree around the winding angle of plug.
As shown in figure 4, support frame 7 is disc, the neck 14 on support frame 7 is evenly distributed on the outward flange of disk, respectively
Gib block 4 is inlaid in the neck 14 of relevant position.
Plug includes：The actuating unit 1 that interior bar 8, driving interior bar 8 rotate around own axes（Such as cylinder）And cover successively
The multiple regulation cutting ferrules 16 being located in interior bar, each excircle for adjusting cutting ferrule 16 are fixed with a corresponding support frame 7.
One end of interior bar 8 is the head end extended to after transmission case 3 at actuating unit 1, and the other end is along plastic flexible pipe
Depart from the end of plug direction extension, each regulation cutting ferrule 16 is sequentially located between taper guide holder 5 and end.
In each regulation cutting ferrule 16, one of closest end fixes with interior bar 8, between adjacent two regulation cutting ferrules 16
Provided with for driving the snap-in structure to rotate in a circumferential direction each other；As shown in figure 5, snap-in structure is on the end edge of regulation cutting ferrule 16
Axially extending jut 18, the jut 18 of adjacent two regulation cutting ferrules 16 are mutually clamped upwards in circumference, and with week
To fit clearance 17.
One regulation cutting ferrule 16 of closest end is fixed with interior bar 8, and when actuating unit 1 drives the rotation of interior bar 8, driving should
Regulation cutting ferrule 16 rotates, and by the snap-in structure between two neighboring regulation cutting ferrule 16, drives all regulation cutting ferrules 16 successively
Rotation, due to carrying circumferential fit clearance 17, therefore the anglec of rotation of all regulation cutting ferrules 16 between adjacent regulation cutting ferrule 16
And it is not all identical, the winding angle of gib block 4 is adjusted with this.
Taper guide holder 5 is is relatively fixed, four guide rings 51 of split settings, and each guide ring 51 is with guiding
Hole, and the pilot hole on each guide ring 51 aligns in the upward position of circumference.Along the head end of interior bar to end direction, each guide ring
51 external diameter is gradually reduced, and the distance of the pilot hole on each guide ring 51 and the axis of taper guide holder 5 is also gradually reduced.
The serialization process equipment of plastic flexible pipe of the present invention is in use, the first extruder 11 and the second extruder 13 connect respectively
Continue to plug flexibility of supply band 10 and skeleton bar 9, flexible-belt 10 and skeleton bar 9 spiral winding on plug（As shown in Figure 2）, often
One circle flexible-belt 10 has overlap edge with upper one circle flexible-belt 10, and double-decker is formed at overlap edge, and skeleton bar 9 is wrapped
In the inside of double-decker, flexible-belt 10 and the heating melting in advance of skeleton bar 9, after being wrapped on plug, one is obtained through supercooling
The plastic flexible pipe of body structure（One end that plastic flexible pipe departs from plug sets cooling device, i.e., is set in position shown in Fig. 2 arrows A
Cooling device, such as can continuously export the shower nozzle of cooling water）, on plug after the plastic flexible pipe of acquisition predetermined length, stop supplying
Answer skeleton bar 9（With reference to Fig. 6, in order to keep the uniformity that the second extruder 13 is fed, transfer container, i.e. the second extruder are set
13 continue feedings, it is necessary to during skeleton bar 9, and extruded stock is exported by skeleton bar discharging opening 132, it is not necessary to during skeleton bar 9, extruded stock
Exported by transfer discharging opening 133 to transfer container）, flexible-belt 10 only is wound to plug outer wall, acquisition does not contain skeleton bar 9
Changeover portion（When making changeover portion, drive interior bar 8 to rotate by actuating unit 1, drive regulation cutting ferrule 16 to rotate successively, adjustment is led
Become big to the winding angle of bar 4, to obtain thicker changeover portion, make up the loss of strength of no skeleton bar 9）, obtain predetermined length
Changeover portion after, recover to convey and wind to the outer wall of plug skeleton bar 9, after changeover portion departs from plug with plastic flexible pipe, clamping
Having been detached from the plastic flexible pipe of mandrel segment makes changeover portion tighten gathering, then cuts changeover portion.
Claims (3)
- A kind of 1. equipment of serialization processing plastic flexible pipe, it is characterised in that including：Plug；For to the first extruder of the plug flexibility of supply band；For supplying the second extruder of skeleton bar to the plug；Along some support frames of plug axial arranging, the outward flange of each support frame carries some necks；Around some gib blocks of plug periphery distribution, every gib block is located on each support frame in corresponding neck, and often Root gib block is distributed in the excircle of plug with predetermined winding angle；For driving each gib block around the drive mechanism of own axis,The die head of second extruder is provided with two discharging openings, and one of them is skeleton bar discharging opening, and another is produced in being Material mouth, skeleton bar discharging opening and transfer discharging opening set a sliding valve core respectively, and open and close provided with promotion sliding valve core The cylinder of corresponding discharging opening is closed,The drive mechanism includes：Motor；Transmission case, there is the input with motor linkage, and the output end with each gib block linkage；Taper guide holder, with some pilot holes parallel with itself generatrix direction, every gib block is led through corresponding one Xiang Kong,The plug includes：Interior bar；The interior bar is driven to be rotated around own axes, to adjust the actuating unit of gib block winding angle；The multiple regulation cutting ferrules being sequentially sleeved in the interior bar, each excircle for adjusting cutting ferrule are fixed with branch corresponding to one Support.
- 2. the equipment of serialization processing plastic flexible pipe as claimed in claim 1, it is characterised in that in each regulation cutting ferrule, most One of adjacent end fixes with interior bar, is provided between adjacent two regulation cutting ferrules and is used to drive the engaging to rotate in a circumferential direction each other Structure；Circumferential fit clearance is carried between the snap-in structure being engaged.
- 3. a kind of serialization processing method of plastic flexible pipe, setting for plastic flexible pipe is processed using serialization as claimed in claim 2 It is standby, including to spiral wound flexible band on plug and skeleton bar, each circle flexible-belt is with upper one circle flexible-belt with overlap joint Side, and double-decker is formed at overlap edge, the skeleton bar is wrapped in inside the double-decker, it is characterised in that described The part that flexible-belt and skeleton bar are wrapped on plug obtains the plastic flexible pipe of integrative-structure through cooling, drives plastic flexible pipe edge Axially progressively disengage plug one end, and the without interruption of flexible-belt and skeleton bar kept in the other end of plug,When plastic flexible pipe progressively disengages plug vertically, driving plastic flexible pipe rotates against around plug excircle,Apply the axial force and use for driving plastic flexible pipe to progressively disengage plug one end vertically in the inwall of plastic flexible pipe In the circle peripheral force that is rotated against around plug excircle of driving plastic flexible pipe,The relative axial position of the initial bonding position and plug of flexible-belt and plug immobilizes,After the plastic flexible pipe that predetermined length is obtained on plug, the conveying for stopping skeleton bar only winds flexible-belt to plug outer wall, The changeover portion for not containing skeleton bar is obtained, after obtaining the changeover portion of predetermined length, recovers that bone is conveyed and wound to the outer wall of plug Frame bar, after the changeover portion departs from plug with plastic flexible pipe, cut changeover portion.
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| CN201310390743.XA CN104416896B (en) | 2013-08-30 | 2013-08-30 | The serialization processing method and equipment of a kind of plastic flexible pipe |
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|---|---|---|---|
| CN201310390743.XA CN104416896B (en) | 2013-08-30 | 2013-08-30 | The serialization processing method and equipment of a kind of plastic flexible pipe |
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| CN104416896B true CN104416896B (en) | 2018-03-20 |
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| CH671922A5 (en) * | 1987-04-14 | 1989-10-13 | Ametex Ag | |
| CN1281399C (en) * | 2004-03-16 | 2006-10-25 | 哈尔滨工业大学星河实业有限公司 | Pipeline containing compound pipe of steel skeleton-plastic, and manufacture of compound pipe |
| CN102555199A (en) * | 2012-01-31 | 2012-07-11 | 何军 | Composite molding twisting feed mechanism for polyethylene winding structure wall pipe |
| CN102529100B (en) * | 2012-01-31 | 2014-01-08 | 何军 | Composite molding equipment for polythene winding structure wall pipe |
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