CN110406112A - A kind of ultra-high molecular weight polyethylene straight tube butt welding connecton layout and its working method - Google Patents
A kind of ultra-high molecular weight polyethylene straight tube butt welding connecton layout and its working method Download PDFInfo
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- CN110406112A CN110406112A CN201910756434.7A CN201910756434A CN110406112A CN 110406112 A CN110406112 A CN 110406112A CN 201910756434 A CN201910756434 A CN 201910756434A CN 110406112 A CN110406112 A CN 110406112A
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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
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/34—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement"
- B29C65/3404—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" characterised by the type of heated elements which remain in the joint
- B29C65/342—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" characterised by the type of heated elements which remain in the joint comprising at least a single wire, e.g. in the form of a winding
- B29C65/3428—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" characterised by the type of heated elements which remain in the joint comprising at least a single wire, e.g. in the form of a winding said at least a single wire having a waveform, e.g. a sinusoidal form
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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
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/34—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement"
- B29C65/3472—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" characterised by the composition of the heated elements which remain in the joint
- B29C65/3476—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" characterised by the composition of the heated elements which remain in the joint being metallic
-
- 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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/02—Preparation of the material, in the area to be joined, prior to joining or welding
- B29C66/022—Mechanical pre-treatments, e.g. reshaping
-
- 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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/02—Preparation of the material, in the area to be joined, prior to joining or welding
- B29C66/022—Mechanical pre-treatments, e.g. reshaping
- B29C66/0224—Mechanical pre-treatments, e.g. reshaping with removal of material
- B29C66/02241—Cutting, e.g. by using waterjets, or sawing
-
- 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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
- B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
- B29C66/52—Joining tubular articles, bars or profiled elements
- B29C66/522—Joining tubular articles
- B29C66/5221—Joining tubular articles for forming coaxial connections, i.e. the tubular articles to be joined forming a zero angle relative to each other
-
- 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
- B29C69/00—Combinations of shaping techniques not provided for in a single one of main groups B29C39/00 - B29C67/00, e.g. associations of moulding and joining techniques; Apparatus therefore
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
Abstract
The present invention relates to a kind of ultra-high molecular weight polyethylene straight tube butt welding connecton layout and its working methods, including the support base containing cross-arm, feed device, support transfer roller, control device；Support base is equipped with the first, second support vertical beam；First support vertical beam is equipped with forming devices, and forming devices include protective trough, flank of tooth pinch roller, first motor, thread guide devices, line sending sliding slot, fabric wheel, heating element；Second support vertical beam, which is equipped with, cuts pressure device including disk press mechanism, grinding mechanism, disk press mechanism includes sliding way, the first sliding block, upper pressure roller, upper hydraulic cylinder, the second motor of support roller, reduction gearbox, and grinding mechanism includes glide path, the first sliding block, lower compression roller, lower hydraulic cylinder, the second sliding block, skiving head, third motor, stroke electric cylinders.A kind of ultra-high molecular weight polyethylene straight tube butt welding connecton layout of the invention and its working method, lay regular heating wire automatically, improve wiring efficiency, and heating wire is reliably fixed on straight tube outer wall.
Description
Technical field
The present invention relates to wiring unit technical field, in particular to a kind of ultra-high molecular weight polyethylene straight tube butt welding wiring
Device and its working method.
Background technique
Ultra-high molecular weight polyethylene is the polyethylene of 1,000,000 or more molecular weight, excellent with the raising of molecular weight of polyethylene
Different performance becomes apparent compared to conventional material, and ultra-high molecular weight polyethylene has been obtained with its distinctive processing and service performance
It is widely applied, with excellent wearability, resistance to acid and alkali, inoxidizability, impact resistance, light resistance, self-lubrication, non-stick
Deng being a kind of thermoplastic engineering plastic of linear structure excellent combination property.Meanwhile superhigh molecular weight polyethylene material there is also
Such as fluidity of molten is poor, processing and forming is difficult, poor heat resistance and many disadvantages of stress cracking.
Before the finished-product straight pipe butt welding of ultra-high molecular weight polyethylene straight tube, the mode of pre-buried heating wire by hand is needed to carry out, however,
This mode still remains following shortcoming in practice of construction:
1, the regularity of pre-buried heating wire is poor by hand, causes leakproofness when pipeline
2, pre-buried heating wire time-consuming consumption, working efficiency substantially reduce by hand；
3, the pre-buried poor reliability of heating wire, easily dislocation even fall off.
Summary of the invention
In order to solve the technical problems in background technology, the present invention provides a kind of ultra-high molecular weight polyethylene straight tube pair
Weldering connecton layout and its working method, lay regular heating wire automatically, improve wiring efficiency, and heating wire is reliably fixed
In on straight tube outer wall.
Technical solution used by the present invention solves is:
A kind of ultra-high molecular weight polyethylene straight tube butt welding connecton layout, including support base, edge in the support base
Left and right direction is arranged in parallel with the more cross-arms being firmly connected with it, and the rear portion of support base is provided with to be positioned to disk electricity
The feed device of heated filament, support base left side are movably set with multiple support transfer rollers for placing straight tubes.
The first support vertical beam, " F " word of " H " shape is fixedly installed in the support base, on the cross-arm of front respectively
Second support vertical beam of shape, the top of the first support vertical beam are fixedly installed forming devices, and forming devices include that notch is set upwards
The protective trough set, protective trough is interior, and along left and right direction, simultaneously there are two intermeshing flank of tooth pinch rollers for rotary setting side by side, and protective trough is just
The first motor being connected by speed change tooth case with flank of tooth pinch roller, protective trough edge are fixedly installed in first support vertical beam of lower section
Front and rear direction is provided through the opening flushed with its slot bottom, and the rearward openings on protective trough are nearby provided with thread guide devices, prevents
The line sending sliding slot flushed with its slot bottom is provided at protecting groove front openings forward, is set gradually from back to front at least on line sending sliding slot
One fabric wheel, at least one heating element to flatten, convey heating wire.
It is fixedly installed in the second support vertical beam and from top to bottom sets gradually disk press mechanism, grinding mechanism cuts press fitting
It sets.
The disk press mechanism include the sliding way being successively fixedly installed in the second support vertical beam superstructure from left to right,
Reduction gearbox, the second motor, the interior sliding of sliding way are provided with the first sliding block, and rotation is provided with pressure roller, upper cunning on the left of the first sliding block
Road top is fixedly installed hydraulic cylinder, and the piston-rod end of upper hydraulic cylinder passes through sliding way and is fixedly connected with the first sliding block, on
Sliding way is passed through immediately below pressure roller and is provided with the support roller being connected with reduction gearbox output end, and support roller is set to line sending sliding slot
The roller curved surface in front, support roller the top is flushed with the slot bottom of line sending sliding slot, and the shaft end of the second motor and reduction gearbox input
End is connected.
The grinding mechanism includes the glide path being set on the cross-arm of front, successively sliding setting from top to bottom in glide path
There are the first sliding block, the second sliding block, the left side rotation of the first sliding block is provided with lower compression roller, and glide path top is fixedly installed
Lower hydraulic cylinder, the piston-rod end of lower hydraulic cylinder passes through glide path and is fixedly connected with the first sliding block, below the second sliding block
Left side rotation is provided with skiving head, and the third electricity that shaft end is fixedly connected with skiving head is fixedly installed on the right side of the second sliding block
Machine, grinding mechanism further include the stroke electric cylinders being fixedly installed below the second support vertical beam, the stroke end of stroke electric cylinders and second
Sliding block is fixedly connected.
The upper hydraulic cylinder, lower hydraulic cylinder are connected by fluid pressure line with hydraulic oil container, and liquid is provided on fluid pressure line
Pressure valve, is provided with hydraulic oil pump on hydraulic oil container, control motor, the heating element of hydraulic valve, hydraulic oil pump and fabric wheel, with
And first motor, the second motor, third motor, stroke electric cylinders are electrically connected with control device respectively.
Further, the feed device includes symmetrical along front and rear direction and is fixedly installed on support base rear portion cross-arm
On support rod, the upper end of the support rod is provided with holder, on two support rods two groups of set holder opposite sides with
And top is provided with opening port, and holder opening port top is provided with multiple screw holes, holder top is far from opening port
Side is hingedly provided with box cover, and multiple concentrically through-holes of axis with screw hole are provided on the box cover, are plugged in the through-hole
There is the fixing bolt being bolted in screw hole.
It is rolled in the holder and is provided with the shaft for being positioned to disk heating wire.
Further, the thread guide devices include the fixing seat being fixedly connected with protective trough, and the fixing seat top is fixed
It is provided with horn-like down-lead device, the big opening end of the down-lead device is arranged backward, and the bottom of the fixing seat is provided with multiple solid
Determine screw hole；
Side on the protective trough close to rearward openings is provided through that multiple concentrically axis is worn with fixing threaded hole
Hole, bolt is arranged in perforation and is spirally connected with fixing threaded hole, to being fixed on thread guide devices robust in protective trough.
Further, the heating element includes the heat-resisting mounting base being fixed on line sending sliding slot lower end surface, the installation
The induction coil being sheathed on line sending sliding slot is fixedly installed on seat, the induction coil and control device are electrically connected；
Or insulating layer resistant to high temperature is respectively arranged on the fabric wheel, upper pressure roller, conductive gold is provided with outside insulating layer
Belong to layer, the side of the conductive metal layer is provided with the conducting slip ring or carbon brush being slidably connected with it, the conducting slip ring or carbon
Brush is electrically connected with control device, and control device applies voltage to fabric wheel, upper pressure roller, makes to be located at heating wire shape between the two
It generates heat at circuit.
Further, the skiving head is set as left large and right small round table-like；
The upper pressure roller right end is provided with round table-like cone pulley left large and right small, the taper of the cone pulley and the taper of skiving head
It is identical.
A kind of working method of ultra-high molecular weight polyethylene straight tube butt welding connecton layout, comprising:
A, original state:
Upper pressure roller, lower compression roller are located at the position of the top, and skiving head is located at the position of bottom；
B, it is routed preparation process:
A) it will be sheathed on feed device at the heating wire of disk, in order to continuous feeding；
B) heating wire end is pulled out and is sequentially passed through thread guide devices, flank of tooth pinch roller, fabric wheel, heating element, this process
Control device controls first motor rotation, thus makes heating wire is curved to be pressed into zigzag, control device controls the control electricity of fabric wheel
Machine rotation, drives heating wire to move from back to front, is moved right by fabric wheel to adding when being bent into jagged heating wire
When the rear of thermal part, control device controls first motor and fabric wheel stalling；
C, pipe fitting fixing step:
A) horizontal tube is set up in support roller, and horizontal tube is not in contact with cone pulley, on the right side of horizontal tube
Upper/lower terminal is respectively arranged between pressure roller and support roller, between lower compression roller and skiving head；
B) control device controls hydraulic valve, hydraulic oil pump, and upper pressure roller moves down, and makes the inside and outside wall on horizontal tube top
It is fitted closely respectively with support roller, upper pressure roller, as upper pressure roller and support roller step up horizontal tube；
C) control device controls hydraulic valve, hydraulic oil pump, and lower compression roller moves down, and makes the inner wall of horizontal tube bottom end under
Pressure roller fits closely；
D, skiving step:
A) control device controls the rotation of the second motor, thus horizontal tube is driven to rotate around center axis thereof；
B) thus control device control third motor rotation drives the rotation of skiving head, meanwhile, control device controls stroke electricity
Cylinder moves up, and skiving head carries out whole skiving to the outer tube wall of horizontal tube right end, and forms chamfering shape；
E, crimping step:
A) after the completion of skiving, restore to original state；
B) horizontal tube being set up in support roller is moved right, until cone pulley be caught in horizontal tube right end to mucilage binding
Skiving position；
C) pipe fitting fixing step is repeated, horizontal tube is fixed；
D) control device control first motor, fabric wheel rotation, heating wire forms zigzag, and is fed forward, control dress
It sets control heating element to heat zigzag heating wire, at this point, the zigzag heating wire of heating is stretched by line sending sliding slot front end
Out, until the heating wire contact position with horizontal tube, upper pressure roller respectively；
E) control device controls the rotation of the second motor, thus horizontal tube is driven to rotate around center axis thereof；
F) pressure roller will be on the outer wall of the zigzag heating wire indentation horizontal tube right end of heating on；
G) after zigzag heating wire rounds around horizontal tube outer wall, control device controls the stalling of the second motor, and extensive
Again to original state, that is, the cabling processes of pipe fitting are completed, are used when butt welding.
A kind of heating means of ultra-high molecular weight polyethylene straight tube butt welding heating wire, the d in the crimping step E) step
Suddenly further include:
The control device control induction coil both ends lead is connected with power supply, and induction coil is made to generate magnetic field；
Control device controls fabric wheel rotation, and zigzag heating wire is flattened and is moved from the front to the back；
When the zigzag heating wire of pressing passes through the induction coil of conducting, the heating wire of metal is because passing through induction coil
Magnetic field, and electric current is generated, the energy of internal vortex makes its fever, reaches heating purpose.
Further, the d in the crimping step E) step further include:
Metal layer on the control device control fabric wheel, upper pressure roller passes through conducting slip ring or carbon brush respectively and power supply is led
It is logical；
Control device control fabric wheel rotation, by zigzag heating wire flatten and move from the front to the back, at this point, heating wire and
Metal layer on fabric wheel is connected；
The zigzag heating wire of pressing moves forward and with the metal layer on upper pressure roller to being connected to；
It is connected by heating wire and is formed into a loop between fabric wheel, upper pressure roller, at this point, heating wire generates heat after being powered.
A kind of method of ultra-high molecular weight polyethylene straight tube butt welding further includes following docking step:
F, detachable inner support workpiece is installed in the pipe fitting for being laid with heating wire one end；
G, heating wire both ends are extended to the other end of the pipe fitting, or is extended by connecting terminal, in order to heating wire
Both ends connect power supply；
H, another pipe fitting after heating and softening is sheathed on the pipe fitting for being laid with heating wire one end, saw is completely covered in outer tube
The heating wire of dentation, and heating wire both ends are stretched out by the junction of inside and outside pipe fitting, now it is necessary to prevent heating wire both ends not
It can contact；
I, when outer tube is under soft state, anchor ear is arranged outside it, anchor ear, inner support workpiece keep inside and outside pipe fitting close
Fitting；
J, internally, outer tube member junction leakage heating wire both ends connect power supply, make the pipe fitting of the inside and outside two sides of heating wire by
Heat is melted, until the polyethylene of the junction liquid colloidal of inside and outside pipe fitting overflows, the two is made to be bonded into one；
K, stop powering to heating wire both ends, after pipe fitting natural cooling, remove external anchor ear, extract internal inner support workpiece out,
Complete straight tube butt welding work.
The advantages of a kind of ultra-high molecular weight polyethylene straight tube butt welding connecton layout of the present invention and its working method, is:
1, it is positioned to the heating wire of disk on feed device, is convenient for changing and continuous feeding；
2, heating wire is bent into regular zigzag by flank of tooth pinch roller, zigzag heating wire flattens by fabric wheel and driven,
It is heated by heating element；
3, it after regular zigzag heating wire is flattened, heated, is reliably fixed with pipe fitting by upper pressure roller, support roller；
4, the end of pipe fitting is handled by lower compression roller, skiving head, heating wire is facilitated to fix, meanwhile, facilitate pipe fitting set
It connects.
Detailed description of the invention
It, below will be to attached drawing required in specific embodiment in order to illustrate more clearly of the specific embodiment of the invention
It is briefly described, the attached drawing in following description is embodiments of the present invention.
Fig. 1 is that present example provides a kind of total three-dimensional signal of ultra-high molecular weight polyethylene straight tube butt welding connecton layout
Figure；
Fig. 2 is that present example provides the partial enlargement of ultra-high molecular weight polyethylene straight tube butt welding connecton layout a kind of and shows
It is intended to one；
Fig. 3 be present example provide a kind of ultra-high molecular weight polyethylene straight tube butt welding connecton layout forming devices it is total
Solid signal；
Fig. 4 is that present example provides the partial enlargement of ultra-high molecular weight polyethylene straight tube butt welding connecton layout a kind of and cuts open
Depending on schematic diagram；
Fig. 5 be present example provide a kind of ultra-high molecular weight polyethylene straight tube butt welding connecton layout to cut pressure device total
Stereoscopic schematic diagram one；
Fig. 6 be present example provide a kind of ultra-high molecular weight polyethylene straight tube butt welding connecton layout to cut pressure device total
Stereoscopic schematic diagram two；
Fig. 7 is that present example provides the partial enlargement of ultra-high molecular weight polyethylene straight tube butt welding connecton layout a kind of and shows
It is intended to two.
In figure:
100, support base, the 101, first support vertical beam, the 102, second support vertical beam, 200, feed device, 201, support
Bar, 202, holder, 203, screw hole, 204, box cover, 205, fixing bolt, 206, shaft, 300, support transfer roller,
1, forming devices, 11, protective trough, 12, flank of tooth pinch roller, 13, first motor, 14, thread guide devices,
141, fixing seat, 142, down-lead device, 143, fixing threaded hole, 15, line sending sliding slot, 16, fabric wheel, 17, heating element,
2, pressure device is cut, 21, disk press mechanism, 22, grinding mechanism,
211, sliding way, the 212, first sliding block, 213, upper pressure roller, 2131, cone pulley, 214, upper hydraulic cylinder, 215, support roller,
216, the second motor, 217, reduction gearbox,
221, glide path, the 222, first sliding block, 223, lower compression roller, 224, lower hydraulic cylinder, the 225, second sliding block, 226,
Skiving head, 227, third motor, 228, stroke electric cylinders,
A, upper pressure roller direction of rotation, b, support roller direction of rotation, c, lower compression roller direction of rotation, d, skiving head direction of rotation.
Specific embodiment
In order to clearly, clearly state specific implementation purpose and embodiment of the invention, below will be to this hair
Bright technical solution is completely described, and described embodiments are some of the embodiments of the present invention, rather than whole embodiments.
Under the premise of not making creative work, the every other embodiment based on embodiment described in the invention belongs to this hair
Bright protection scope.
A kind of ultra-high molecular weight polyethylene straight tube butt welding connecton layout of the present invention, as shown in Figure 1, include includes support
Pedestal 100 is arranged in parallel with the more cross-arms being firmly connected with it, support base along left and right direction in the support base 100
100 rear portion is provided with the feed device 200 to be positioned to disk heating wire.As shown in Fig. 2, the feed device 200 includes
Along the support rod 201 that front and rear direction is symmetrical and is fixedly installed on 100 rear portion cross-arm of support base, the support rod 201 it is upper
It holds and is provided with holder 202, two groups of set 202 opposite sides of holder and top are provided with opening on two support rods 201
Mouthful, and 202 opening port top of holder is provided with multiple screw holes 203, side of 202 top of holder far from opening port is hinged
It is provided with box cover 204, multiple concentrically through-holes of axis with screw hole 203 are provided on the box cover 204, are plugged in the through-hole
There is the fixing bolt 205 being bolted in screw hole 203, is rolled in the holder 202 and be provided with the shaft for being positioned to disk heating wire
206.As shown in Figure 1, being movably set with multiple support transfer rollers 300 for placing straight tube on the left of support base 100.
As shown in Fig. 3, Fig. 5, Fig. 6, in the support base 100, " H " shape is fixedly installed on the cross-arm of front respectively
First support vertical beam 101, " F " shape second support vertical beam 102.As shown in figure 3, the top of the first support vertical beam 101 is solid
Surely forming devices 1 are provided with, forming devices 1 include the protective trough 11 that notch is set up, in protective trough 11 simultaneously along left and right direction
It arranges and rotary setting is there are two intermeshing flank of tooth pinch roller 12, the first of 11 underface of protective trough supports fixed in vertical beam 101
It is provided with the first motor 13 that speed change tooth case is connected with flank of tooth pinch roller 12, protective trough 11 is along front and rear direction through setting
There is the opening flushed with its slot bottom, the rearward openings on protective trough 11 are nearby provided with thread guide devices 14, as shown in figure 4, described
Thread guide devices 14 include the fixing seat 141 being fixedly connected with protective trough 11, and 141 top of fixing seat is fixedly installed horn-like
Down-lead device 142, the big opening end of the down-lead device 142 is arranged backward, and the bottom of the fixing seat 141 is set side by side along the longitudinal direction
It sets there are two fixing threaded hole 143, the side on protective trough 11 close to rearward openings is provided through multiple total with fixing threaded hole 143
The perforation of central axis, bolt is arranged in perforation and is spirally connected with fixing threaded hole 143, to consolidating 14 robust of thread guide devices
Due in protective trough 11.As shown in figure 3, the line sending sliding slot flushed with its slot bottom is provided at 11 front openings of protective trough forward
15, set gradually on line sending sliding slot 15 from back to front at least one to flatten, convey heating wire fabric wheel 16, at least one
Heating element 17.The heating element 17 includes the heat-resisting mounting base being fixed on 15 lower end surface of line sending sliding slot, the mounting base
On be fixedly installed the induction coil being sheathed on line sending sliding slot 15, the induction coil and control device are electrically connected；Or
It is respectively arranged with insulating layer resistant to high temperature on the fabric wheel 16, upper pressure roller 213, is provided with conductive metal layer outside insulating layer, institute
The side for stating conductive metal layer is provided with the conducting slip ring or carbon brush being slidably connected with it, the conducting slip ring or carbon brush and control
Device electrical connection, control device apply voltage to fabric wheel 16, upper pressure roller 213, form the heating wire being located between the two
Circuit and generate heat.
As shown in Figure 5 and Figure 6, it is fixedly installed in the second support vertical beam 102 and from top to bottom sets gradually disk press
Structure 21, grinding mechanism 22 cut pressure device 2.As shown in fig. 6, " F " shape right angle joint of the second support vertical beam 102,
And second support vertical beam 102 and support base 100 right angle joint, be all provided with supporting rib stiffener.
As shown in Figure 5 and Figure 6, the disk press mechanism 21 includes successively being fixedly installed on the second support vertical beam from left to right
Sliding way 211, reduction gearbox 217, the second motor 216 in 102 superstructures, the interior sliding of sliding way 211 are provided with the first sliding block
212, rotation is provided with pressure roller 213 on the left of the first sliding block 212, as shown in fig. 7,213 right end of upper pressure roller be provided with it is left big
Right small round table-like cone pulley 2131,211 top of sliding way are fixedly installed hydraulic cylinder 214, the piston rod end of upper hydraulic cylinder 214
End is fixedly connected across sliding way 211 with the first sliding block 212, and sliding way 211 is passed through immediately below upper pressure roller 213 and is provided with and slows down
The support roller 215 that 217 output end of case is connected, support roller 215 are set to the front of line sending sliding slot 15, and support roller 215 is most upper
The roller curved surface at end is flushed with the slot bottom of line sending sliding slot 15, and the shaft end of the second motor 216 is connected with 217 input terminal of reduction gearbox.
As shown in Figure 5 and Figure 6, the grinding mechanism 22 includes the glide path 221 being set on the cross-arm of front, glide path
From top to bottom successively sliding is provided with the first sliding block 222, the second sliding block 225, the left side spin of the first sliding block 222 in 221
Turn to be provided with lower compression roller 223,221 top of glide path is fixedly installed lower hydraulic cylinder 224, the piston-rod end of lower hydraulic cylinder 224
It is fixedly connected across glide path 221 with the first sliding block 222, the left side rotation of 225 lower section of the second sliding block is provided with left big right
Small round table-like skiving head 226, the taper of the skiving head 226 is identical as the taper of cone pulley 2131,225 right side of the second sliding block
It is fixedly installed the third motor 227 that shaft end is fixedly connected with skiving head 226, grinding mechanism 22 further includes being fixedly installed on
The stroke electric cylinders 228 of two support vertical beams, 102 lower section, the stroke end of stroke electric cylinders 228 are fixedly connected with the second sliding block 225.
The upper hydraulic cylinder 214, lower hydraulic cylinder 224 are connected by fluid pressure line with hydraulic oil container, are set on fluid pressure line
It is equipped with hydraulic valve, hydraulic oil pump, the control motor of hydraulic valve, hydraulic oil pump and fabric wheel 16, heating are provided on hydraulic oil container
Component 17, and, first motor 13, the second motor 216, third motor 227, stroke electric cylinders 228 are electrical with control device respectively
Connection.
In conjunction with a kind of above-mentioned embodiment of ultra-high molecular weight polyethylene straight tube butt welding connecton layout, below to a kind of superelevation
The working method of molecular weight polyethylene straight tube butt welding connecton layout, is described further:
A, original state:
Upper pressure roller 213, lower compression roller 223 are located at the position of the top, and skiving head 226 is located at the position of bottom；
B, it is routed preparation process:
A) it will be sheathed on feed device 200 at the heating wire of disk, in order to continuous feeding；
B) heating wire end is pulled out to and is sequentially passed through thread guide devices 14, flank of tooth pinch roller 12, fabric wheel 16, heating element
17, this process control equipment controls first motor 13 and rotates, and thus makes heating wire is curved to be pressed into zigzag, control device controls crimping
The control motor rotation of wheel 16, drives heating wire to move from back to front, passes through fabric wheel when being bent into jagged heating wire
16 when moving right to the rear of heating element 17, and control device controls first motor 13 and fabric wheel 16 stalls；
C, pipe fitting fixing step:
A) horizontal tube is set up in support roller 215, and horizontal tube is not in contact with cone pulley 2131, horizontal tube
The upper/lower terminal on right side is respectively arranged between pressure roller 213 and support roller 215, between lower compression roller 223 and skiving head 226；
B) control device controls hydraulic valve, hydraulic oil pump, and upper pressure roller 213 moves down, and makes the inside and outside of horizontal tube top
Wall is fitted closely with support roller 215, upper pressure roller 213 respectively, and as upper pressure roller 213 steps up horizontal tube with support roller 215；
C) control device controls hydraulic valve, hydraulic oil pump, and lower compression roller 223 moves down, and makes the inner wall of horizontal tube bottom end
It is fitted closely with lower compression roller 223；
D, skiving step:
A) control device controls the rotation of the second motor 216, thus horizontal tube is driven to rotate around center axis thereof；
B) control device control third motor 227 rotates, and thus skiving head 226 is driven to rotate, meanwhile, control device control
Stroke electric cylinders 228 move up, and skiving head 226 carries out whole skiving to the outer tube wall of horizontal tube right end, and forms chamfering shape；
E, crimping step:
A) after the completion of skiving, restore to original state；
B) horizontal tube being set up in support roller 215 is moved right, until cone pulley 2131 is caught in horizontal tube right end
The skiving position to mucilage binding；
C) pipe fitting fixing step is repeated, horizontal tube is fixed；
D) control device control first motor 13, fabric wheel 16 rotate, and heating wire forms zigzag, and is fed forward, and control
Device control heating element 17 processed heats zigzag heating wire, at this point, the zigzag heating wire of heating is by line sending sliding slot
15 front ends are stretched out, until the heating wire contact position with horizontal tube, upper pressure roller 213 respectively；
E) control device controls the rotation of the second motor 216, thus horizontal tube is driven to rotate around center axis thereof；
F) pressure roller 213 will be on the outer wall of the zigzag heating wire indentation horizontal tube right end of heating on；
G) after zigzag heating wire rounds around horizontal tube outer wall, control device controls the stalling of the second motor 216, and
Restore to original state, that is, completes the cabling processes of pipe fitting, used when butt welding.
The pipe fitting is compressed by upper pressure roller 213, support roller 215, and upper pressure roller 213, support roller 215 distinguish the above pressure roller rotation
Turn direction a, the direction of support roller direction of rotation b is rotated, so that horizontal tube be driven to rotate around center axis thereof.
The lower compression roller 223, skiving head 226 respectively with lower compression roller direction of rotation c, skiving head direction of rotation d direction into
Row rotation, to carry out whole skiving to the outer tube wall of horizontal tube right end.
In embodiment, a kind of working method of ultra-high molecular weight polyethylene straight tube butt welding connecton layout, is the electricity of pipe fitting
The pre-buried process of heated filament.After pipe fitting completes pre-buried process, butt welding process, a kind of side of ultra-high molecular weight polyethylene straight tube butt welding are carried out
Method, including step is docked as follows:
F, detachable inner support workpiece is installed in the pipe fitting for being laid with heating wire one end；
G, heating wire both ends are extended to the other end of the pipe fitting, or is extended by connecting terminal, in order to heating wire
Both ends connect power supply；
H, another pipe fitting after heating and softening is sheathed on the pipe fitting for being laid with heating wire one end, saw is completely covered in outer tube
The heating wire of dentation, and heating wire both ends are stretched out by the junction of inside and outside pipe fitting, now it is necessary to prevent heating wire both ends not
It can contact；
I, when outer tube is under soft state, anchor ear is arranged outside it, anchor ear, inner support workpiece keep inside and outside pipe fitting close
Fitting；
J, internally, outer tube member junction leakage heating wire both ends connect power supply, make the pipe fitting of the inside and outside two sides of heating wire by
Heat is melted, until the polyethylene of the junction liquid colloidal of inside and outside pipe fitting overflows, the two is made to be bonded into one；
K, stop powering to heating wire both ends, after pipe fitting natural cooling, remove external anchor ear, extract internal inner support workpiece out,
Complete straight tube butt welding work.
In a kind of working method of ultra-high molecular weight polyethylene straight tube butt welding connecton layout of above-described embodiment, heating wire
It must heat in advance, then by way of roll-in, heat seal, be fixed on heating wire reliably and firmly on embedding pipe fittings, below
To a kind of heating means of ultra-high molecular weight polyethylene straight tube butt welding heating wire, it is described in detail:
D in the crimping step E) step further include one of heating means:
1, the control device control induction coil both ends lead is connected with power supply, and induction coil is made to generate magnetic field；
Control device controls fabric wheel 16 and rotates, and zigzag heating wire is flattened and is moved from the front to the back；
When the zigzag heating wire of pressing passes through the induction coil of conducting, the heating wire of metal is because passing through induction coil
Magnetic field, and electric current is generated, the energy of internal vortex makes its fever, reaches heating purpose.
2, control device control fabric wheel 16, the metal layer on upper pressure roller 213 pass through conducting slip ring or carbon brush respectively
It is connected with power supply；
Control device controls fabric wheel 16 and rotates, and zigzag heating wire is flattened and is moved from the front to the back, at this point, heating wire
It is connected with the metal layer on fabric wheel 16；
The zigzag heating wire of pressing moves forward and with the metal layer on upper pressure roller 213 to being connected to；
It is connected by heating wire and is formed into a loop between fabric wheel 16, upper pressure roller 213, at this point, heating wire generates heat after being powered.
With above-mentioned foundation, a kind of ultra-high molecular weight polyethylene straight tube butt welding connecton layout of the present invention and its working method
Embodiment is enlightenment, and through the above description, relevant staff completely can be without departing from this invention technical idea
In the range of, carry out various changes and amendments.The technical scope of the present invention is not limited to the contents of the specification,
The technical scope of the invention should be determined in accordance with the scope of the claims.
Claims (9)
1. a kind of ultra-high molecular weight polyethylene straight tube butt welding connecton layout, it is characterised in that:
The connecton layout, including support base (100) are arranged in parallel on the support base (100) more along left and right direction
The cross-arm that root is firmly connected with it, the rear portion of support base (100) are provided with the feed device to be positioned to disk heating wire
(200), multiple support transfer rollers (300) for placing straight tube are movably set on the left of support base (100),
Be fixedly installed respectively in the support base (100), on the cross-arm of front " H " shape first support vertical beam (101),
Second support vertical beam (102) of " F " shape, the top of the first support vertical beam (101) are fixedly installed forming devices (1), moulding
Device (1) includes the protective trough (11) that notch is set up, and protective trough (11) is interior, and along left and right direction, simultaneously rotary setting has two side by side
A intermeshing flank of tooth pinch roller (12) is fixedly installed in the first support vertical beam (101) immediately below protective trough (11) and passes through
The first motor (13) that speed change tooth case is connected with flank of tooth pinch roller (12), protective trough (11) along front and rear direction be provided through with
The opening that its slot bottom flushes, the rearward openings on protective trough (11) are nearby provided with thread guide devices (14), in front of protective trough (11)
Opening is provided with forward the line sending sliding slot (15) flushed with its slot bottom, and line sending sliding slot is set gradually at least from back to front on (15)
One fabric wheel (16), at least one heating element (17) to flatten, convey heating wire,
It is fixedly installed in second support vertical beam (102) and from top to bottom sets gradually disk press mechanism (21), grinding mechanism
(22) cut pressure device (2),
The disk press mechanism (21) is upper in second support vertical beam (102) superstructure including being successively fixedly installed on from left to right
Slideway (211), reduction gearbox (217), the second motor (216), the interior sliding of sliding way (211) are provided with the first sliding block (212), and first
Rotation is provided with pressure roller (213) on the left of sliding block (212), and sliding way (211) top is fixedly installed hydraulic cylinder (214), on
The piston-rod end of hydraulic cylinder (214) pass through sliding way (211) be fixedly connected with the first sliding block (212), upper pressure roller (213) just under
Side passes through sliding way (211) and is provided with the support roller (215) being connected with reduction gearbox (217) output end, support roller (215) setting
In the front of line sending sliding slot (15), the roller curved surface of support roller (215) the top is flushed with the slot bottom of line sending sliding slot (15), and second
The shaft end of motor (216) is connected with reduction gearbox (217) input terminal；
The grinding mechanism (22) includes the glide path (221) being set on the cross-arm of front, in glide path (221) from top to bottom according to
Secondary sliding is provided with the first sliding block (222), the second sliding block (225), and the left side rotation of the first sliding block (222) is provided with down
Pressure roller (223), glide path (221) top are fixedly installed lower hydraulic cylinder (224), and the piston-rod end of lower hydraulic cylinder (224) is worn
It crosses glide path (221) to be fixedly connected with the first sliding block (222), the left side rotation below the second sliding block (225), which is provided with, cuts
Bistrique (226), the second sliding block (225) right side are fixedly installed the third motor that shaft end is fixedly connected with skiving head (226)
(227), grinding mechanism (22) further includes the stroke electric cylinders (228) being fixedly installed below the second support vertical beam (102), stroke electricity
The stroke end of cylinder (228) is fixedly connected with the second sliding block (225),
The upper hydraulic cylinder (214), lower hydraulic cylinder (224) are connected by fluid pressure line with hydraulic oil container, are set on fluid pressure line
Be equipped with hydraulic valve, be provided with hydraulic oil pump on hydraulic oil container, hydraulic valve, hydraulic oil pump and fabric wheel (16) control motor plus
Thermal part (17), and, first motor (13), the second motor (216), third motor (227), stroke electric cylinders (228) respectively with
Control device electrical connection.
2. a kind of ultra-high molecular weight polyethylene straight tube butt welding connecton layout according to claim 1, it is characterised in that:
The feed device (200) includes symmetrical along front and rear direction and is fixedly installed on the cross-arm of support base (100) rear portion
The upper end of support rod (201), the support rod (201) is provided with holder (202), set two on two support rods (201)
Group holder (202) opposite side and top are provided with opening port, and holder (202) opening port top is provided with multiple spiral shells
Hole (203), side of holder (202) top far from opening port are hingedly provided with box cover (204), are set on the box cover (204)
Multiple concentrically through-holes of axis with screw hole (203) are equipped with, are inserted with the fixation spiral shell being bolted in screw hole (203) in the through-hole
Bolt (205),
It is rolled in the holder (202) and is provided with the shaft (206) for being positioned to disk heating wire.
3. a kind of ultra-high molecular weight polyethylene straight tube butt welding connecton layout according to claim 2, it is characterised in that:
The thread guide devices (14) include the fixing seat (141) being fixedly connected with protective trough (11), fixing seat (141) top
It is fixedly installed horn-like down-lead device (142), the big opening end of the down-lead device (142) is arranged backward, the fixing seat (141)
Bottom be provided with multiple fixing threaded holes (143)；
Side on the protective trough (11) close to rearward openings is provided through multiple and fixing threaded hole (143) concentrically axis
Perforation, bolt be arranged in perforation in be spirally connected with fixing threaded hole (143), to being fixed on thread guide devices (14) robust
In protective trough (11).
4. a kind of ultra-high molecular weight polyethylene straight tube butt welding connecton layout according to claim 3, it is characterised in that:
The heating element (17) includes the heat-resisting mounting base being fixed on line sending sliding slot (15) lower end surface, is consolidated in the mounting base
Surely it is provided with the induction coil being sheathed on line sending sliding slot (15), the induction coil and control device are electrically connected；
Or insulating layer resistant to high temperature is respectively arranged on the fabric wheel (16), upper pressure roller (213), it is provided with and leads outside insulating layer
Metal layer, the side of the conductive metal layer are provided with the conducting slip ring or carbon brush being slidably connected with it, the conducting slip ring
Or carbon brush and control device are electrically connected, control device applies voltage to fabric wheel (16), upper pressure roller (213), makes to be located at the two
Between heating wire forming circuit and generate heat.
5. a kind of ultra-high molecular weight polyethylene straight tube butt welding connecton layout according to claim 4, it is characterised in that:
The skiving head (226) is set as left large and right small round table-like；
Upper pressure roller (213) right end is provided with round table-like cone pulley (2131) left large and right small, the taper of the cone pulley (2131)
It is identical as the taper of skiving head (226).
6. according to a kind of work side of ultra-high molecular weight polyethylene straight tube butt welding connecton layout any in claim 5
Method, it is characterised in that:
A, original state:
Upper pressure roller (213), lower compression roller (223) are located at the position of the top, and skiving head (226) is located at the position of bottom；
B, it is routed preparation process:
A) it will be sheathed on feed device (200) at the heating wire of disk, in order to continuous feeding；
B) heating wire end is pulled out to and is sequentially passed through thread guide devices (14), flank of tooth pinch roller (12), fabric wheel (16), heating element
(17), thus this process control equipment control first motor (13) rotation makes heating wire is curved to be pressed into zigzag, control device control
The control motor of fabric wheel (16) rotates, and drives heating wire to move from back to front, passes through when being bent into jagged heating wire
When fabric wheel (16) moves right to the rear of heating element (17), control device controls first motor (13) and fabric wheel (16)
Stalling；
C, pipe fitting fixing step:
A) horizontal tube is set up on support roller (215), and horizontal tube is not in contact with cone pulley (2131), horizontal tube
The upper/lower terminal on right side is respectively arranged between pressure roller (213) and support roller (215), lower compression roller (223) and skiving head
(226) between；
B) control device controls hydraulic valve, hydraulic oil pump, and upper pressure roller (213) moves down, and makes the inside and outside wall on horizontal tube top
It is fitted closely respectively with support roller (215), upper pressure roller (213), as goes up pressure roller (213) and support roller (215) for horizontal tube
Step up；
C) control device controls hydraulic valve, hydraulic oil pump, and lower compression roller (223) moves down, make the inner wall of horizontal tube bottom end with
Lower compression roller (223) fits closely；
D, skiving step:
A) thus control device control the second motor (216) rotation drives horizontal tube to rotate around center axis thereof；
B) thus control device control third motor (227) rotation drives skiving head (226) rotation, meanwhile, control device control
Stroke electric cylinders (228) move up, and skiving head (226) carries out whole skiving to the outer tube wall of horizontal tube right end, and is formed and
Horn shape；
E, crimping step:
A) after the completion of skiving, restore to original state；
B) horizontal tube being set up on support roller (215) is moved right, until cone pulley (2131) are caught in horizontal tube right end
The skiving position to mucilage binding；
C) pipe fitting fixing step is repeated, horizontal tube is fixed；
D) control device control first motor (13), fabric wheel (16) rotation, heating wire forms zigzag, and is fed forward, and controls
Device control heating element (17) processed heats zigzag heating wire, at this point, the zigzag heating wire of heating is slided by line sending
Slot (15) front end is stretched out, until the heating wire contact position with horizontal tube, upper pressure roller (213) respectively；
E) thus control device control the second motor (216) rotation drives horizontal tube to rotate around center axis thereof；
F) pressure roller (213) will be on the outer wall of the zigzag heating wire indentation horizontal tube right end of heating on；
G) after zigzag heating wire rounds around horizontal tube outer wall, control device controls the second motor (216) stalling, and extensive
Again to original state, that is, the cabling processes of pipe fitting are completed, are used when butt welding.
7. a kind of heating means of ultra-high molecular weight polyethylene straight tube butt welding heating wire according to claim 6, special
Sign is:
D in the crimping step E) step further include:
The control device control induction coil both ends lead is connected with power supply, and induction coil is made to generate magnetic field；
Control device controls fabric wheel (16) rotation, and zigzag heating wire is flattened and is moved from the front to the back；
When the zigzag heating wire of pressing passes through the induction coil of conducting, magnetic of the heating wire of metal because passing through induction coil
, and electric current is generated, the energy of internal vortex makes its fever, reaches heating purpose.
8. a kind of heating means of ultra-high molecular weight polyethylene straight tube butt welding heating wire according to claim 6, special
Sign is:
D in the crimping step E) step further include:
Metal layer in control device control fabric wheel (16), upper pressure roller (213) pass through respectively conducting slip ring or carbon brush with
Power supply conducting；
Control device control fabric wheel (16) rotation, by zigzag heating wire flatten and move from the front to the back, at this point, heating wire and
Metal layer on fabric wheel (16) is connected；
The zigzag heating wire of pressing moves forward and with the metal layer on upper pressure roller (213) to being connected to；
Fabric wheel (16), upper pressure roller are connected by heating wire and are formed into a loop between (213), at this point, heating wire generates heat after being powered.
9. a kind of method of ultra-high molecular weight polyethylene straight tube butt welding according to claim 6, it is characterised in that:
Further include following docking step:
F, detachable inner support workpiece is installed in the pipe fitting for being laid with heating wire one end；
G, heating wire both ends are extended to the other end of the pipe fitting, or is extended by connecting terminal, in order to heating wire both ends
Connect power supply；
H, another pipe fitting after heating and softening is sheathed on the pipe fitting for being laid with heating wire one end, zigzag is completely covered in outer tube
Heating wire, and heating wire both ends by inside and outside pipe fitting junction stretch out, now it is necessary to prevent heating wire both ends from cannot connect
Touching；
I, when outer tube is under soft state, anchor ear is arranged outside it, anchor ear, inner support workpiece fit closely inside and outside pipe fitting；
J, internal, the leakage of outer tube member junction heating wire both ends connect power supply, make the pipe fitting of the inside and outside two sides of heating wire is heated to melt
Change, until the polyethylene of the junction liquid colloidal of inside and outside pipe fitting overflows, the two is made to be bonded into one；
K, stop powering to heating wire both ends, after pipe fitting natural cooling, remove external anchor ear, extract internal inner support workpiece out, complete
Straight tube butt welding work.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010195567.4A CN111231334B (en) | 2019-08-16 | 2019-08-16 | Wiring method for butt welding of ultra-high molecular weight polyethylene straight pipes |
| CN201910756434.7A CN110406112B (en) | 2019-08-16 | 2019-08-16 | Wiring device for butt welding of ultra-high molecular weight polyethylene straight pipes and working method thereof |
| CN202010195568.9A CN111231335B (en) | 2019-08-16 | 2019-08-16 | Working method of wiring device for butt welding of ultra-high molecular weight polyethylene straight pipes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910756434.7A CN110406112B (en) | 2019-08-16 | 2019-08-16 | Wiring device for butt welding of ultra-high molecular weight polyethylene straight pipes and working method thereof |
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|---|---|---|---|
| CN202010195567.4A Division CN111231334B (en) | 2019-08-16 | 2019-08-16 | Wiring method for butt welding of ultra-high molecular weight polyethylene straight pipes |
| CN202010195568.9A Division CN111231335B (en) | 2019-08-16 | 2019-08-16 | Working method of wiring device for butt welding of ultra-high molecular weight polyethylene straight pipes |
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| CN110406112B CN110406112B (en) | 2020-02-18 |
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| CN202010195568.9A Active CN111231335B (en) | 2019-08-16 | 2019-08-16 | Working method of wiring device for butt welding of ultra-high molecular weight polyethylene straight pipes |
| CN202010195567.4A Active CN111231334B (en) | 2019-08-16 | 2019-08-16 | Wiring method for butt welding of ultra-high molecular weight polyethylene straight pipes |
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| CN202010195567.4A Active CN111231334B (en) | 2019-08-16 | 2019-08-16 | Wiring method for butt welding of ultra-high molecular weight polyethylene straight pipes |
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| CN110406112B (en) * | 2019-08-16 | 2020-02-18 | 山东先河高分子材料有限公司 | Wiring device for butt welding of ultra-high molecular weight polyethylene straight pipes and working method thereof |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN111231334B (en) | 2021-11-30 |
| CN111231334A (en) | 2020-06-05 |
| CN111231335B (en) | 2021-11-30 |
| CN110406112B (en) | 2020-02-18 |
| CN111231335A (en) | 2020-06-05 |
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