CN106862403A - Large-diameter steel pipe dilates mould - Google Patents
Large-diameter steel pipe dilates mould Download PDFInfo
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- CN106862403A CN106862403A CN201710048143.3A CN201710048143A CN106862403A CN 106862403 A CN106862403 A CN 106862403A CN 201710048143 A CN201710048143 A CN 201710048143A CN 106862403 A CN106862403 A CN 106862403A
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- Prior art keywords
- steel pipe
- bellmouth
- transmission shaft
- mould
- power transmission
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D41/00—Application of procedures in order to alter the diameter of tube ends
- B21D41/02—Enlarging
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)
Abstract
Mould is dilated the invention discloses a kind of large-diameter steel pipe, is a kind of adjustable mould of diameter.It includes power transmission shaft, sleeve and flexible cartridge module, axis is connected with the first power source, sleeve is nested with power transmission shaft and is arranged concentrically, end is connected with the second power source, flexible cartridge module includes that bellmouth is molded arc formwork, plain bearing housing and stud bolt assemblies, bellmouth is molded arc formwork and is circumferentially angularly evenly arranged along power transmission shaft, bellmouth shaping arc formwork is movably connected on the plain bearing housing by positive and negative silk stud bolt assemblies, the middle position of plain bearing housing is provided with through hole, through hole is installed by slide engaging and disengaging component and ring flange, wherein described ring flange is fixedly connected with sleeve, plain bearing housing is by slide engaging and disengaging component and being flexibly connected that the power transmission shaft is only slided in the axial direction.Large-diameter steel pipe shaping mould of the invention, with easy to use, makes the advantage of high precision and efficiency high.
Description
Technical field
The invention is related to a kind of mould, specifically a kind of large-diameter steel pipe shaping mould.
Background technology
Large-diameter steel pipe is to apply plastics on the basis of large-caliber spiral welded tube and ratio-frequency welded tube to form, maximum nozzle diameter
Up to 1200mm, can be various not according to application of polyvinyl the need for difference (PVC), polyethylene (PE), epoxy resin (EPOZY) etc.
With the plastic coating of performance, adhesive force is good, and corrosion resistance is strong, is resistant to strong acid, highly basic and other chemical attacks, nontoxic, not corrosion,
Wear-resisting, impact resistance, osmotic-pressure-tolerant are strong, and pipe surface is smooth, and any material is not adhered to, can reduce resistance during conveying, improve stream
Amount and transfer efficiency, reduce discharge pressure loss.It is solvent-free in coating, material can not be oozed out, thus will not pollute what is conveyed
Medium, so as to ensure the clarity and wholesomeness of fluid, -40 DEG C to+80 DEG C scopes can cold cycling be used alternatingly, not always
Change, be not cracked, thus can be used under the harsh environments such as cold zone, it is wide using scope.
For at present, for the connected mode of large-diameter steel pipe, mostly using welding, flange connection and socket joint connection,
Large-diameter steel pipe is connected with welding manner, the problems such as easily there is leak, and inconvenient maintenance, high cost;The mode connected with flange
Connection large-diameter steel pipe in the junction of steel pipe, it is necessary to set flange, setting flange tedious process and inconvenience;It is contemplated that using
The mode of socket joint connection connects large-diameter steel pipe, and it is the bell and spigot for making socket joint connection that the key of socket joint connection is, in bellmouth
Place also needs to set groove, can be sealed with sealing ring, to ensure its sealing for connecting.
Apply for a relevant patent of invention before the applicant,《A kind of anticorrosive steel rib strengthens spiral steel pipe and its system
Make method》, publication number:CN105221850A, wherein, it is referred to the manufacture craft of the steel pipe in the document, the implementation of the technique,
A kind of enlarging apparatus, or referred to as flaring die, existing mould or module is needed to enter both for small-bore steel pipe
What row made, urgent need will be developed a set of suitable for heavy caliber especially more than 1.2 meters enlarging modules of large-diameter steel pipe.
The content of the invention
In order to solve the deficiencies in the prior art, the present invention provides a kind of large-diameter steel pipe shaping mould, and that has a talk about herein is big
Bore refer to diameter at least at 1 meter and more than 1 meter, steel pipe refers to the pipeline of clean steel, not including composite metal plastic pipe, primary solution
Technical problem certainly is that connecting two large-diameter steel pipes using welding manner seepy question, and maintenance inconvenience, expense easily occurs
High, there is provided a kind of module in steel tube end part straight forming, secondary technical problem is, the bellmouth manufacture difficulty of large-diameter steel pipe
Greatly, cost of manufacture and manufacture difficulty are reduced.
The technical solution adopted for the present invention to solve the technical problems is:
Large-diameter steel pipe of the invention dilates mould, it is characterised in that including
Power transmission shaft, axis long, end is connected with the first power source,
Sleeve, circular cylinder long is nested with power transmission shaft and is arranged concentrically, and end is connected with the second power source,
Flexible cartridge module, the flexible cartridge module includes bellmouth shaping arc formwork, plain bearing housing and stud group
Part, bellmouth shaping arc formwork is circumferentially angularly evenly arranged along power transmission shaft described at least three, and the bellmouth is molded arc
Template is movably connected on the plain bearing housing by positive and negative silk stud bolt assemblies, is set in the middle position of plain bearing housing
Through hole is equipped with, slide engaging and disengaging component and ring flange are installed in the through hole, wherein the ring flange is fixedly connected with sleeve, it is described
Plain bearing housing is by slide engaging and disengaging component and being flexibly connected that the power transmission shaft is only slided in the axial direction.
It is raised along the circular arc that circumferential direction is provided with equal length in the outer surface of bellmouth shaping arc formwork.
Universal ball bearing is provided with the two edges of bellmouth shaping arc formwork inner surface.
The slide engaging and disengaging component includes internal gear and external gear, and the internal gear is fixedly mounted on the logical of plain bearing housing
At hole, the internal gear and external gear are that tooth is engaged cooperation, and are that key coordinates between the external gear and the power transmission shaft.
The positive and negative silk stud bolt assemblies include stud, trapezoid block and cylinder, wherein, the stud by
It is three, left and right two studs are symmetrical on middle stud, and left and right two stud one end pass through silk
Set is articulated and connected with bellmouth shaping arc formwork inner surface, and the other end is articulated and connected by silk braid with trapezoid block, trapezoidal
There is a screwed hole in block, a screwed cylinder is installed, silk structure inside and outside the cylinder in the screwed hole
Part and one end is articulated and connected with plain bearing housing, the other end carries out screw thread cooperation, middle two-way spiral shell with the two-way bolt of centre
Bolt is articulated and connected with bellmouth shaping arc formwork inner surface.
The large-diameter steel pipe is steel pipe of the diameter not less than 1 meter.
The beneficial effects of the invention are as follows:
The present invention is a kind of large-diameter steel pipe shaping mould, is held by making large-diameter steel pipe with Frequency Induction Heating
The mould of mouth, can be avoided using welding manner the connection easily seepy question of appearance and maintenance not by the way of socket joint connection
Just, the problem of high cost, can also avoid being connected using flange the problem of tedious process.Large-diameter steel pipe formation die of the invention
Tool, with easy to use, makes the advantage of high precision and efficiency high.
Brief description of the drawings
Fig. 1 is the dimensional structure diagram for being molded module.
Fig. 2 is the front view for being molded module.
Fig. 3 is the sectional view for being molded module.
Fig. 4 is the partial enlarged drawing of Fig. 3.
Fig. 5 is the first barrel assemblies structural representation of the invention.
Fig. 6 is the second barrel assemblies structural representation of the invention.
Fig. 7 is retracting cylinder modular construction schematic diagram.
Fig. 8 is the structural representation of the plain bearing housing in flexible cartridge module.
Fig. 9 is flexible cartridge module partial perspective view.
Figure 10 is the stereogram that large-caliber spiral steel pipe dilates mould.
Figure 11 is partial sectional view in Figure 10.
In figure:The barrel assemblies of 100- first, the barrel shronds of 110- first, 111- circular ring structures, 112- floors, 120- first
Contiguous block, 121- screwed holes, 122 bearings, the stud bolt assemblies of 130- first, the studs of 131- first, 132- fixed blocks,
The barrel assemblies of 200- second, the barrel shronds of 210- second, the contiguous blocks of 220- second, 230- the second stud groups
Part,
300- stretches cartridge module, and 310- bellmouths shaping arc formwork, 311- circular arcs are raised, the universal ball bearings of 312-, 320-
Plain bearing housing, 321- internal gears, 322- external gears, 323- arc-shaped through-holes, 324 rebounds, the stud bolt assemblies of 330- the 3rd,
The studs of 331- the 3rd, 332- trapezoid blocks, 333- fixed blocks, 334 cylinders,
410- twin-feed spiral components, 420- power transmission shafts, 430- sleeves.
Specific embodiment
Referring to figs. 1 to Fig. 8, the present invention is a kind of large-diameter steel pipe formation die group, is coordinated by with Frequency Induction Heating
Expand the action of circle to make the mould of the bellmouth of large-diameter steel pipe, wherein using Frequency Induction Heating, steel tube end part is heated to
Forging temperature, the forging temperature described in the present invention is relevant with the material of forging technology and steel pipe, the temperature for being easy to enlarging to deform for referring to
Degree, its index is seen depending on deflection.Critical strain amount-triangular triaxial diagram of temperature-grain size has in forging handbook etc.
Found in the data of pass, for ordinary steel, at 700~1000 DEG C, scope allows fluctuation to general temperature, then by enlarging
Shaping module is acted, and forms regular flared part, and the bellmouth part after enlarging can directly accommodate inserted terminal, by this
The use of module, can avoid welding manner from connecting the problem of the seepy question that easily occurs and maintenance difficult, it is easy to use and
Efficiency high.Meanwhile, the axiality of bellmouth and pipe section is higher.
A kind of large-diameter steel pipe shaping mould of the invention, including the first barrel assemblies 100, the second barrel assemblies 200, stretch
Contracting cartridge module 300, positive and negative silk twin-feed spiral component 410, power transmission shaft 420 and sleeve 430.
For convenience of describing, space orientation is carried out to this module, with reference to Fig. 1, front, back, left, right, up, down three-dimensional space
Composition.
On power transmission shaft 420 and twin-feed spiral component 410, from front to back, it is sequentially installed with the first barrel assemblies 100, stretches
The barrel assemblies 200 of contracting cartridge module 300 and second, and the first barrel assemblies 100 are arranged on the front end of power transmission shaft 420, the first cylinder
Component 100 is to be rotatably assorted with power transmission shaft 420, uses bearing.Second barrel assemblies 200 and sleeve 430 are to be slidably matched,
Being slidably matched herein carried out by axle sleeve.
The diameter of the matching relationship on power transmission shaft and sleeve 430, sleeve diameter and power transmission shaft quite, is nested with relation,
Without in the case of other external constraint power, sleeve 430 is free state relative to power transmission shaft, can be rotated, it is also possible to axially
It is mobile.For example, when power transmission shaft be arranged on reductor on when, power transmission shaft have rotate the free degree, now sleeve have rotate and
The mobile multidirectional free degree.Power transmission shaft therein is rotated by the first power source drive, and sleeve 430 is by the second power source drive straight line
Mobile, motion between the two is non-interference.First, second described power source of this place simply facilitates description, and not limiting must
It is so two independent power sources, or a power source, a power source can carry out power decomposition using differential,
Also can reach the purpose of control.
Functionally, the rotation of power transmission shaft 420 can only drive the rotation of flexible cartridge module 300.
The screw thread of twin-feed spiral component 410 is matched somebody with somebody with the circular hole in the first barrel assemblies 100 and the second barrel assemblies 200 respectively
Close, two barrel assemblies are connected by twin-feed spiral component.Between formation one is fixed between first and second barrel assemblies
Away from so-called determining deviation refers to that the gap and distance between two barrel assemblies are a fixed values, and the gap and space are to stretch
The installation of contracting cartridge module and activity space.
It is respectively arranged with flexible cartridge module and the joint face of the first barrel assemblies 100 and the second barrel assemblies 200 universal
Ball bearing 312, can reduce friction.Wherein, flexible cartridge module can be rotated relative to two barrel assemblies, and be matched somebody with somebody in axial rolling
Under the limitation of conjunction, only with the ability for rotating.
Common, the commercial form of universal ball bearing 312 is universal ball bearing, and universal ball bearing is fixed on into retracting cylinder
On side, coordinated with the mating surface in the barrel assemblies of side first and the second barrel assemblies, for support telescopic cartridge module
Expanding-contracting action.
Sleeve 430 is enclosed within power transmission shaft 420 from back to front, through the center of the second barrel assemblies 200, is fixed on sliding axle
In bearing 320.One end of sleeve is fixedly connected with flexible cartridge module, other end connection drive mechanism, such as hydraulic cylinder, leading screw
Deng possessing movable ability.
First barrel assemblies 100 are identical with the structure of the second barrel assemblies 200, and symmetrically set on flexible barrel assemblies 300
Put, introduce its design feature by taking the first barrel assemblies 100 as an example below, the second barrel assemblies are not repeated.
First barrel assemblies 100 include the first barrel shrond 110, the first contiguous block 120 and the first stud bolt assemblies
130。
First barrel shrond 110 is a cylindric shell structure for uncovered, and in uncovered cylinder shell structure
Bottom surface, the clamping rings structure 111 by way of welding.In the inside of cylinder shell, the friendship of side surface circumference and bottom surface annulus
At boundary, floor 112 is equably provided with, the intensity of the first barrel assemblies can be improved.In the inside of cylindrical shell body side surface, uniformly
Be provided with four projections, be provided with circular hole in projection, can be connected with the first stud bolt assemblies 130 by bolt, first pair
Hook bolt component uses right-handed screw and backpitch screw thread, is extended by forward direction regulation, is shortened by reversely regulation.By
The application of one stud bolt assemblies, can adjust the circularity of the first barrel shrond, in the case where regulation is not considered, the first double end
Bolt assembly can also be substituted using reinforcing bar, and the two ends of reinforcing bar are welded on the first barrel shrond 110 and the first contiguous block 120,
Form uncontrollable connection.
First contiguous block 120 is a block structure for circle, has through hole in the middle setting of the first contiguous block 120, is led to
Bearing 122 is installed in hole, can be coordinated with power transmission shaft 420 by bearing 122, i.e. be to turn between power transmission shaft and the first contiguous block
Dynamic cooperation.In the outside of central through hole, four circular holes 121 are equably provided with, for the one end fits with stud, led to
Cross the connection that the circular hole realizes the first and second barrel assemblies to stud.On the circumference side of the first contiguous block 120,
Four projections are provided with evenly, circular hole is provided with projection, can be connected with the first stud bolt assemblies 130 by bolt.
First stud bolt assemblies 130 are made up of the fixed block 132 of the first stud 131 and two ends, the fixation at two ends
The structure of block 132 is identical, thread rotary orientation conversely, and one end for being connected with the first stud 131 in fixed block is provided with screwed hole,
Can coordinate with stud;The other end of fixed block 132 is provided with through hole, can by bolt respectively with the first barrel shrond and
Raised connection on one contiguous block.The screw thread at the first stud two ends is plus thread and left-hand thread, by the original of positive and negative screw thread
Reason, the first stud bolt assemblies 130 can be used to adjust the circularity of the first barrel shrond, it is to avoid oval generation, it is convenient with it is to be added
Work steel pipe coordinates.
Second barrel assemblies 200 include the second barrel shrond 210, the second contiguous block 220 and the second stud bolt assemblies
230, structure of the Each part substantially with each several part in the first barrel assemblies is identical, and Principles of Regulation are also identical, wherein, due to
Two contiguous blocks 220 are directly to coordinate with sleeve 430, so what is produced is to be slidably matched, are pacified in the through hole of the second contiguous block
Dress is axle sleeve 221.
Large-diameter steel pipe dilates mould, is related to extension sleeve component, power transmission shaft 420 and sleeve 430.Control to expand by sleeve
The expansion of mould is opened, the spinning movement of mould is controlled by power transmission shaft.With reference to Fig. 9 to Figure 11.
Flexible cartridge module 300 includes bellmouth shaping arc formwork 310, the stud bolt assemblies of plain bearing housing 320 and the 3rd
330。
Arc formwork 310 is equal angular is divided into four parts for bellmouth shaping, and four part-structures are identical, are arranged circumferentially.
The circularity of bellmouth shaping arc formwork 310 and the size of radius can be adjusted by the 3rd stud bolt assemblies 330.
The outer surface of arc formwork is molded in bellmouth, the circular arc projection 311 of equal length is provided with along circumferential direction, belong to of mould
Point, sealing ring can be installed for making the groove of large-diameter steel pipe socket, at groove to be sealed.Arc is molded in bellmouth
The centre of the inner surface of template, is all equably provided with three projections in each section, circular hole is provided with projection, can be by ladder
With plain bearing housing 320 be connected bellmouth shaping arc formwork 310 by shape block 332, forms supported at three point, there is provided enough supports
Power, bearing is also equipped with junction, when needing to adjust the radius size of bellmouth shaping arc formwork 310, can make the 3rd pair
Hook bolt component 330 is rotated around junction.
At the two edges of the bellmouth shaping inner surface of arc formwork 310, multi-directional ball axle is provided with laterally respectively vertically
Hold, universal ball bearing 312 coordinates with the circular ring structure of the first barrel shrond 110 and the bottom surface of the second barrel shrond 210 respectively, i.e., ten thousand
Can be rolled on the circular ring structure of contact to ball bearing 312, occurred in flexible barrel assemblies and first, second barrel shrond component
During relative rotation, friction can be reduced.
Plain bearing housing 320 is the block structure of a circle, is a special purpose parts for abnormity, generally cylinder, in cunning
The middle position of moving axis bearing 320 is provided with through hole, for installing linear motion bearing, slide engaging and disengaging component and ring flange, its
Middle ring flange is coordinated by bolt with plain bearing housing, and ring flange is welded and fixed with sleeve 430 and is connected simultaneously, is slided for driving
The rectilinear movement of bearing block.
In the front side of central through hole, slide engaging and disengaging component is installed, the slide engaging and disengaging component includes internal gear 321 and external gear
322, internal gear 321 can be fixedly mounted on plain bearing housing 320 by bolt, with reference to Fig. 7, with the cooperation of internal gear 321
It is external gear 322, it is ensured that external gear 322 and the synchronous rotary of internal gear 321, through hole is provided centrally with external gear 322,
Keyway is provided with above through hole, through hole can be coordinated by key and power transmission shaft, to ensure power transmission shaft rotation synchronous with external gear 322
Turn, i.e. the action of power transmission shaft can drive the rotation of plain bearing housing 320, meanwhile, plain bearing housing is also by sleeve 430
It is axially driving, and two power sources form at plain bearing housing and make a concerted effort, and can simultaneously control the axial movement of plain bearing housing
With circumferentially rotate.
On plain bearing housing 320, with the first barrel assemblies on the first contiguous block 120 in twin-feed spiral component
On the 410 corresponding positions of circular hole for coordinating, four arc-shaped through-holes 323 are provided with, pacified on the face of rear side in arc-shaped through-hole 323
Equipped with linear running bearing, linear running bearing holds twin-feed spiral component and passes through, and can coordinate with twin-feed spiral component, and can make double
Arcuately through hole 323 is slided head screw assembly, can reduce frictional force, and is conducive to safeguarding.In the circumference of plain bearing housing 320
On side, four projections are equably provided with, circular hole is provided with projection, can be by bolt and the 3rd stud bolt assemblies 330
Connect, and stud bolt assemblies can be rotated around junction, four groups of studs are evenly arranged, four rotations of arc-shaped through-hole 323
Angle is less than 90 degree, more than 45 degree, such as 80 degree, by the cooperation with rotation, axial movement, forms continuous extension mouth, after
Face is described in detail again.
3rd stud bolt assemblies 330 have four it is corresponding with four bellmouths shaping arc formworks respectively, each group the 3rd pair
One bellmouth shaping arc formwork of hook bolt modular support, forms support, and with regulatory function.
From unlike the first stud bolt assemblies, the 3rd stud bolt assemblies 330 are by three the 3rd small double end spiral shells
Bolt 331 is constituted, three three groups small of 331 left, center, rights of the 3rd stud, wherein, the stud of left and right two is on the double of centre
Hook bolt.The stud one end of left and right two is fixed in the projection of bellmouth shaping arc formwork 310, and another one end is by being hinged
Mode be arranged on trapezoid block 332 on.
Trapezoid block is a trapezoidal block structure.
Trapezoid block 332 is trapezoidal block structure, and the special purpose parts of abnormity has a screwed hole, spiral shell in trapezoid block 332
One screwed cylinder is installed in pit, screw connection by screw thread between the two, the one end of cylinder 334 and
Plain bearing housing 320 is articulated and connected, and the other end carries out screwing cooperation with the 3rd two-way bolt of centre, by cylinder 334, holds
Mouth shaping arc formwork possesses a range of regulatory function automatically adjusted with three dimensions.Simultaneously in both sides multi-directional ball axle
Hold under 312 limitation, can be along radial expansion.
On two inclined-planes of trapezoid block 332, it is respectively arranged with what can be connected with the stud fixed block of the left and right sides
Projection, the male cooperation projected through on bolt and plain bearing housing 320 below trapezoid block makes the trapezoid block 332 can be around cylinder
The junction of body 334 rotates.
The raised fixed block 333 respectively by way of being hinged and on two studs in left and right on the inclined-plane of trapezoid block 332
Connection, the 3rd middle stud directly carries out rotation and is connected with the screwed cylinder in trapezoid block 332.Can lead to
Cross rotate the 3rd stud bolt assemblies 330 in the 3rd stud 331 come adjust bellmouth shaping arc formwork 310 circularity and
The size of radius, and enough supports are carried out to arc formwork by three supports, and sliding axle can be promoted by sleeve
Bearing 320 makes the 3rd bolt assembly 330 be rotated around junction, thus come change bellmouth be molded arc formwork 310 size,
Facilitate the processing of large-diameter steel tube faucet.
That is, after plain bearing housing 320 is moved axially relative to bellmouth arc formwork, the 3rd bolt assembly
Can be deflected along axis direction, shape forms an angle.
That is, the flexible cartridge module 300 of centre exists relative to the first barrel assemblies 100 and the second barrel assemblies 200
Position on axial direction is constant, and plain bearing housing 320 is relative to the first barrel assemblies 100 and the second barrel assemblies 200 in axle
Upward position can be change, and driving force comes from sleeve, after the position of plain bearing housing 320 changes, the 3rd pair
The certainty run-off the straight of hook bolt component, calculates according to triangle, the fenestra that four bellmouth shaping arc formworks 310 are enclosed
Necessarily change.
Twin-feed spiral component 410 compared with first with the 3rd stud bolt assemblies in stud more greatly, totally four, from backward
Before pass through the second barrel assemblies 200 and flexible cartridge module 300, first in the threaded one end in front end and the first barrel assemblies 100
Circular hole 121 on contiguous block 120 coordinates, the middle arc-shaped through-hole 323 through on plain bearing housing 320 in flexible cartridge module 300,
Linear motion bearing is installed, twin-feed spiral component 410 can be slided in linear motion bearing, double end spiral shell in arc-shaped through-hole 323
The circular hole on the second contiguous block 220 in rotation threaded one end in the rear end of component 410 and the second barrel assemblies 200 coordinates, so
Matching relationship can ensure that while intermediate warp cartridge module is rotated, the first barrel assemblies 100 and the second barrel assemblies 200 are not
Can rotate, so that in arc-shaped through-hole 323 of the twin-feed spiral component 410 on plain bearing housing 320 in flexible cartridge module
Slide.
A rebound 324 is welded near the position of the first barrel assemblies on bellmouth shaping arc formwork 310, was used for
Cross, and inclined-plane formed here, it is to avoid pipeline forms rounding off in diameter cataclysm herein.
The one end of power transmission shaft 420 connects the first power source, such as power step-down gear, is locally nested with after sleeve the other end from backward
Before pass through the second barrel assemblies 200, the flexible barrel assemblies 100 of cartridge module 300 and first, pass through axle in the front end of power transmission shaft 420
Hold and coordinate with the first barrel assemblies 100, it is outer with plain bearing housing 320 by way of being bonded and connecing at flexible cartridge module 300
Gear 322 coordinates, i.e. the rotation of power transmission shaft 420 can drive the rotation of flexible cartridge module 300, that is to say, that power transmission shaft 420 is rotated,
External gear also concomitant rotation.
At the second barrel assemblies 200, sleeve 430 is coordinated by bearing with the second barrel assemblies 200.In the first power source
When imparting power to power transmission shaft 420, power transmission shaft 420 is rotated, and power transmission shaft 420 is rotated and then passes through external gear, plain bearing housing 320
Flexible cartridge module 300 is driven to rotate.But the first barrel assemblies 100, the second barrel assemblies 200 be with stud it is fixed, the
Four studs 410 can only be slided in the arc-shaped through-hole 323 on plain bearing housing 320 in flexible cartridge module 300, so transmission
Axle 420 can only move back and forth in certain angle.
Sleeve 430 is arranged on power transmission shaft 420 from back to front, through the center (axle sleeve cooperation) of the second barrel assemblies 200,
The front end of sleeve 430 is fixedly mounted on plain bearing housing 320 by way of ring flange, one is formed, in the front end of sleeve 430
A projection is provided with, sleeve can be fixed on plain bearing housing 320 by screw, i.e., the linear motion of sleeve 430 can band
The linear motion of dynamic plain bearing housing 320, sleeve 430 is moved back and forth in the axial direction, then sends out the diameter of flexible cartridge module 300
Changing so that template with treat that enlarging pipe section is contacting and separating, after separation, bellmouth shaping arc formwork reset.
The rear end of sleeve is connected with the second power source, controllable sleeve 430 carries out linear reciprocating motion along power transmission shaft, and sleeve is acted on
In,
When needing to be put on mould the port of large-diameter steel pipe, the second power source control sleeve 430 is moved forward, and makes cunning
The forward slip of dynamic bearing base 320, i.e. the 3rd stud bolt assemblies are rotated around junction, the inclination that certain angle occurs, now
The bellmouth shaping diameter of arc formwork 310 of flexible cartridge module diminishes, identical with first, second barrel shrond diameter, can smoothly enter
Enter large-diameter steel pipe port;
When needing to make the bellmouth of large-diameter steel pipe, the second power source control sleeve 430 is moved rearwards by, makes sliding axle
Hold base 320 to slide backward, i.e. the 3rd stud bolt assemblies are rotated around junction, make the bellmouth shaping arc mould of flexible cartridge module
The diameter of plate 310 becomes big, the diameter of large-diameter steel pipe port can be made to become big, you can make bellmouth.
Use process of the invention:
Mould is placed on the port of large-diameter steel pipe, is moved forward by the second power source control sleeve 430, make slip
The forward slip of bearing base 320, i.e. the 3rd stud bolt assemblies are rotated around junction, the inclination that certain angle occurs, inclination angle
Degree reduces, and the bellmouth shaping simulation diameter of arc formwork 310 of the cartridge module that now stretches diminishes, straight with first, second barrel shrond
Footpath is identical, and after diameter reduces, mould integrally can smoothly enter large-diameter steel pipe port so that the end of steel pipe and the second cylinder group
The front of part 200 is along alignment;
With the mode of Frequency Induction Heating by the large-diameter steel pipe heating one end of bellmouth to be produced, make conveniently to change its radius
Size.
Flexible cartridge module 300 is overall to be inserted into large-diameter steel pipe, and the second power source of control is moved rearwards by sleeve 430,
Then slide backward sliding bearing base 320, i.e. the 3rd stud bolt assemblies are rotated around junction, make holding for flexible cartridge module
Mouth shaping arc formwork 310 diameter becomes big, and in the presence of external force, bellmouth shaping arc formwork directly acts on the interior of steel pipe
Wall, can make the diameter of large-diameter steel pipe port become big, carry out enlarging.
There is gap between four parts of the bellmouth shaping arc formwork 310 after becoming greatly due to diameter, so the bellmouth for making
Can be irregular round mouth, for example, the gap of arc formwork is molded in two bellmouths, it is impossible to be softened, start the first power
Source, makes power transmission shaft 420 be rotated clockwise in certain angle, such as 80 degree, while rotation, drives pipeline to rotate 80 degree, i.e.
Make the arc-shaped through-hole 323 on the plain bearing housing 320 in flexible cartridge module that the rotation of certain angle is done along stud 410.
When the extreme position of arc-shaped through-hole 323 is gone to, then the second power source is controlled, move forward sleeve 430, stretched
The bellmouth shaping diameter of arc formwork 310 of cartridge module diminishes, and large-diameter steel pipe is left in the outer surface of bellmouth shaping arc formwork 310
Inwall, the first power source is then controlled again, make the rotation of power transmission shaft opposite direction angle, for example rotate counterclockwise 80 degree, that is, turn
Go back to original position.
The second power source is controlled, sleeve 430 is moved rearwards by, the bellmouth shaping arc formwork 310 of flexible cartridge module is simulated
Diameter becomes big, the inwall of bellmouth shaping arc formwork laminating large-diameter steel pipe, and the first power source, power transmission shaft 420 are then controlled again
Rotate, bellmouth is molded arc formwork 310 and strut the inwall of large-diameter steel pipe, complete an action for program.
By controlling the first power source and the second power source, power transmission shaft 420 and sleeve 430 is set to carry out multiple reciprocal fortune
It is dynamic, the action of each secondary program, rotational angle at 80 degree or sos, after the motions for completing ten circles or so, you can completion heavy caliber
The making of steel pipe bellmouth, in above-mentioned flaring process, reciprocating motion can ensure the making precision and circularity of bellmouth.
Embodiment described above is only that the preferred embodiment of the present invention is described, not to model of the invention
Enclose and be defined, on the premise of design spirit of the present invention is not departed from, relevant technical staff in the field is to various changes of the invention
Shape and improvement, all should expand in the protection domain as determined by claims of the present invention.
Claims (6)
1. large-diameter steel pipe dilates mould, it is characterised in that including
Power transmission shaft (420), axis long, end is connected with the first power source,
Sleeve (430), circular cylinder long is nested with power transmission shaft and is arranged concentrically, and end is connected with the second power source,
Flexible cartridge module (300), the flexible cartridge module (300) is molded arc formwork (310), plain bearing housing including bellmouth
(320) and stud bolt assemblies (330), bellmouth described at least three is molded arc formwork (310) along power transmission shaft circumference isogonism
Degree is evenly arranged, and the bellmouth is molded arc formwork (310) and is movably connected in the sliding axle by stud bolt assemblies (330)
In bearing (320), the middle position of plain bearing housing (320) is provided with through hole, the through hole is provided with linear motion axis
Hold, slide engaging and disengaging component and ring flange, wherein the ring flange is fixedly connected with sleeve (430), the plain bearing housing (320)
By slide engaging and disengaging component and being flexibly connected that the power transmission shaft is only slided in the axial direction.
2. large-diameter steel pipe according to claim 1 dilates mould, it is characterised in that in the outer of bellmouth shaping arc formwork
Surface is provided with circular arc projection (311) of equal length along circumferential direction.
3. large-diameter steel pipe according to claim 1 dilates mould, it is characterised in that be molded arc formwork in bellmouth
(310) it is provided with universal ball bearing at the two edges of inner surface.
4. large-diameter steel pipe according to claim 1 dilates mould, it is characterised in that in the slide engaging and disengaging component includes
Gear (321) and external gear (322), the internal gear (321) are fixedly mounted on the through hole of plain bearing housing (320), described
Internal gear (321) and external gear (322) are occlusion cooperation, and are that key coordinates between the external gear and the power transmission shaft (420).
5. large-diameter steel pipe according to claim 1 dilates mould, it is characterised in that the stud bolt assemblies (330)
Including stud (331), trapezoid block and cylinder, wherein, the stud (331) is three, left and right two double end spiral shells
Bolt is symmetrical on middle stud, and left and right two stud one end are molded arc mould by silk braid with the bellmouth
Plate (310) inner surface is articulated and connected, and the other end is articulated and connected by silk braid with trapezoid block (332), is had in trapezoid block (332)
One screwed hole, is provided with a screwed cylinder in the screwed hole, silk structure and one end inside and outside the cylinder
Be articulated and connected with plain bearing housing (320), the other end carries out screw thread cooperation with the two-way bolt of centre, middle two-way bolt with
Described bellmouth shaping arc formwork (310) inner surface is articulated and connected.
6. large-caliber spiral steel pipe according to claim 1 dilates mould, it is characterised in that the large-diameter steel pipe is diameter
Spiral steel pipe not less than 1 meter.
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CN107262997A (en) * | 2017-06-21 | 2017-10-20 | 李培芹 | A kind of rectangular tube group welds stretching apparatus |
CN109235114A (en) * | 2018-11-18 | 2019-01-18 | 张雅慧 | A kind of environment protection type paper equipment that can recycle sewage |
CN109624281A (en) * | 2019-01-22 | 2019-04-16 | 河北可耐特复合材料有限公司 | Cylinder manufacturing equipment and its operating method |
CN109624285A (en) * | 2018-12-29 | 2019-04-16 | 天津市九赢百信科技有限公司 | A kind of automatic rubber tube stay port system |
CN109926485A (en) * | 2019-04-19 | 2019-06-25 | 姚潘涛 | A kind of CNC spinning machine |
CN113714452A (en) * | 2021-07-27 | 2021-11-30 | 王生林 | Intermittent support type composite pipe end positioning and rotary forging equipment |
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CN113714452A (en) * | 2021-07-27 | 2021-11-30 | 王生林 | Intermittent support type composite pipe end positioning and rotary forging equipment |
CN113714452B (en) * | 2021-07-27 | 2023-05-09 | 临沂市华创新型建材有限公司 | Intermittent support type composite pipe end positioning and rotary forging equipment |
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Effective date of registration: 20180713 Address after: 261100 block B, 15 building, 2009 democratic Street, Hanting high tech Industrial Park, Hanting, Weifang. Patentee after: Weifang Hehai Shuiwen Technology Co., Ltd. Address before: No. 38, Guo Dian District, Ji'nan City, Shandong, Shandong Patentee before: SHANDONG WATER DIVERSION PROJECT TECHNOLOGY RESEARCH CENTER CO., LTD. |