CN103990729B - Steel wall pipe opening extension forming device - Google Patents
Steel wall pipe opening extension forming device Download PDFInfo
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- CN103990729B CN103990729B CN201410208556.XA CN201410208556A CN103990729B CN 103990729 B CN103990729 B CN 103990729B CN 201410208556 A CN201410208556 A CN 201410208556A CN 103990729 B CN103990729 B CN 103990729B
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- shaped insertion
- type device
- dilate
- steel wall
- extension
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Abstract
The invention provides a steel wall pipe opening extension forming device. The device comprises an extension forming device bottom plate, an extension forming device body and an extension die assembly support, wherein the front end of the extension die assembly support is provided with a cylindrical concave cavity; an extension die assembly comprises an extension die bottom plate, an extension die and an extension head, wherein the extension die bottom plate is fixed in the concave cavity and provided with a plurality of sliding rails which are in a radiation shape in the radial direction; the extension die is composed of a plurality of extension die sliding blocks which can slide along the sliding rails in the radial direction; the inner side face of an extension head module is an arc surface attached to the outer side face of the extension head, and the rear end of the extension head is connected with a hydraulic driving device; a plurality of reset springs are arranged between the outer side face of the extension die and the extension die assembly support. According to the steel wall pipe opening extension forming device, a steel wall pipe can be machined into a female end and a male end without being welded, and production efficiency of the socket and spigot type steel wall pipe is improved.
Description
Technical field
The present invention relates to a kind of processing and manufacturing equipment of steel wall pipeline, particularly to a kind of steel wall mouth of pipe expansion shaped insertion-type dress
Put.
Background technology
Pipeline connection technology is a very important link in pipeline engineering work progress, and the efficiency of interconnection technique is direct
Have influence on the efficiency of pipeline engineering construction, therefore people during pipeline engineering practice, update and optimize pipeline even
Connect technique, to improve efficiency of construction.
More pipeline connection technology is had to be suggested at present, such as butt welding, flange connection, screwed connection, plough groove type connect
Connect, bayonet joint etc..Wherein, bayonet joint have that connection is simple, quick, save time, laborsaving, the low spy of mounting cost
Point, is therefore widely adopted in pipeline construction.Either steel pipes with straight or spiral steel pipe, when for pipeline engineering, be
Adopt bayonet joint technique, it usually needs be respectively welded at the two ends of a segment pipe and take the lead and plug, this welding process
On the one hand seriously constrain the production efficiency of pipeline, on the other hand by purchased take the lead inconsistent with plug caliber size,
Frequently result in sealing property after pipeline adopts bayonet joint bad.
In view of this, for solving above-mentioned technical problem, the research and development based on association area for the present inventor, and test through continuous
And improvement, and then there is the generation of the present invention.
Content of the invention
The present invention is directed to the manufacturing of the steel wall pipeline using bayonet joint technique, provides a kind of steel wall mouth of pipe to dilate
Shaped device, so that steel wall pipeline is in the case of need not welding, can be processed to taking the lead and plug, to carry of setting specification
The production efficiency of high spigot-and-socket steel wall pipeline.
For reaching above-mentioned purpose, the present invention provides a kind of steel wall mouth of pipe expansion shaped insertion-type device, comprising: expansion shaped insertion-type device chassis
With expansion shaped insertion-type device body, expansion shaped insertion-type device body is fixed on expansion shaped insertion-type device chassis；Wherein, described steel wall pipe
Mouth expansion shaped insertion-type device also includes:
It is fixed on and dilates membrane module support on expansion shaped insertion-type device chassis, the front end dilating membrane module support is provided with circle
The cavity of cylindricality；
Dilate membrane module, comprise: dilate mold chassis, dilate mould and dilate head, the described mold chassis that dilate are fixedly arranged on expansion
In the described cavity of swollen membrane module support, the described mold chassis that dilate are provided with radially radial a plurality of slide rail；Described expansion
Swollen mould is made up of multiple mode sliders that dilate corresponding respectively to a plurality of slide rail, and dilating mode slider radially can slide along slide rail
Dynamic；The described head that dilates is in pre-large post-small truncated cone-shaped, and the medial surface dilating head module is to fit with the lateral surface dilating head
Cambered surface, the rear end dilating head is connected with fluid pressure drive device；Dilate the lateral surface of mould and dilating also to set between membrane module support
There are the many back-moving springs radially extending.
Described steel wall mouth of pipe expansion shaped insertion-type device, wherein, the lateral surface dilating mode slider is and steel pipe opening institute to be dilated
The appearance profile that forming shape matches.
Described steel wall mouth of pipe expansion shaped insertion-type device, wherein, the cross section of described slide rail is in wide at the top and narrow at the bottom trapezoidal, and
Dilate one end that mode slider is connected with slide rail and there is the chute with slide rail same shape, size.
Described steel wall mouth of pipe expansion shaped insertion-type device, wherein, the cross section of described slide rail is in the shape of falling t, and dilates mould and slide
One end that block is connected with slide rail has the chute with slide rail same shape, size.
Described steel wall mouth of pipe expansion shaped insertion-type device, wherein, described dilate mold chassis and be secured by bolts in dilate module
In the cavity of part support.
Described steel wall mouth of pipe expansion shaped insertion-type device, wherein, described slide rail is secured by bolts in and dilates on mold chassis.
Described steel wall mouth of pipe expansion shaped insertion-type device, wherein, described fluid pressure drive device includes: hydraulic piston connecting rod,
Hydraulic piston, hydraulic jack and hydraulic package, the described head that dilates is connected with hydraulic piston, by liquid by hydraulic piston connecting rod
Press oil the reciprocating motion before and after driving the hydraulic piston in hydraulic jack to carry out.
Described steel wall mouth of pipe expansion shaped insertion-type device, wherein, described expansion shaped insertion-type device body comprises to drive forming machine
Power Drive Unit that chassis moves along the rail, the moving displacement to expansion shaped insertion-type device measure the device of positioning, and
For controlling the whole electronic control system of whole machine each part collaborative work.
The beneficial effects of the present invention is: make steel wall pipeline in the case of need not welding, can be processed to set
The taking the lead and plug, to improve the production efficiency of spigot-and-socket steel wall pipeline of specification.
Additionally, when need process different pore size when dilating steel pipe opening, can be according to the interior caliber of steel pipe opening to be dilated, more
What commutation adapted to the lateral surface of curvature dilates head module, wider with the scope of application that ensures the present invention.
And, in order that the steel tube surface shaping after dilating is well-balanced, the steel pipe after dilating once can be revolved along axial line
Turn after certain angle expansion shaped insertion-type again, or dilate and repeatedly steel pipe multiple rotary by above-mentioned expansion shaped insertion-type process, with
To dilating the well-balanced pipeline of aftershaping.
Brief description
Fig. 1 is the overall schematic of the steel wall mouth of pipe expansion shaped insertion-type device of the present invention；
Fig. 2 is the schematic cross-section dilating mold chassis；
Fig. 3 is to dilate the structural representation that mode slider is combined with slide rail.
Description of reference numerals: 1- expansion shaped insertion-type device chassis；2- expansion shaped insertion-type device body；3- dilates membrane module support；
4- dilates membrane module；41- dilates mold chassis；411- slide rail；42- dilates mould；421- dilates mode slider；422- chute；43- dilates
Head；51- hydraulic piston connecting rod；52- hydraulic piston；53- hydraulic jack；54- hydraulic package；6- back-moving spring；G- steel pipe.
Specific embodiment
The relevant present invention is to reach above-mentioned application target and effect and the technological means being adopted, and now enumerates preferably feasible
Embodiment, and coordinate shown in accompanying drawing, details are as follows:
As shown in Figure 1 to Figure 3, respectively the overall schematic of steel wall mouth of pipe expansion shaped insertion-type device of the present invention, dilate mould
The schematic cross-section on chassis and dilate the structural representation that mode slider is combined with slide rail.The steel wall mouth of pipe expansion shaped insertion-type of the present invention
Device, specifically includes that expansion shaped insertion-type device chassis 1, expansion shaped insertion-type device body 2 and dilates membrane module support 3.Wherein, expand
Expansion forming device body 2 and dilate membrane module support 3 and be both secured on expansion shaped insertion-type device chassis 1.
Described expansion shaped insertion-type device body 2 comprises the Power Drive Unit, right driving forming machine chassis to move along the rail
The moving displacement of expansion shaped insertion-type device measures the device of positioning, and for controlling the whole machine of whole machine each part collaborative work
Electronic control system, because these devices are well known to those skilled in the art, therefore will not be described here.
The described membrane module support 3 that dilates is in generally v shape, and its front end is provided with to be used in cylindrical cavity accommodating fixing and dilates
Membrane module 4, and the rear end dilating membrane module support 3 is installed with described expansion shaped insertion-type device body 2.
The described membrane module 4 that dilates includes: dilates mold chassis 41, dilates mould 42 and dilate 43, wherein, described expansion
Swollen mold chassis 41 are installed in the described cavity dilating membrane module support 3, and specifically, the described mold chassis 41 that dilate can pass through spiral shell
Bolt (in figure is not shown in detail) is fixed in the cavity dilating membrane module support 3.
Especially as shown in Fig. 2 the described mold chassis 41 that dilate are provided with radially radial a plurality of slide rail 411, and institute
State and dilate mould 42 and be made up of multiple mode sliders 421 that dilate corresponding respectively to a plurality of slide rail 411, dilating mode slider 421 being capable of edge
Slide rail 411 radially to slide.Specifically, described slide rail 411 can be fixed on by bolt (in figure is not shown in detail) and dilate mould bottom
On disk 41.
It is preferred that asking for an interview Fig. 3, the cross section of described slide rail 411 is in wide at the top and narrow at the bottom trapezoidal, and dilates mode slider
421 one end being connected with slide rail 411 have with slide rail 411 same shape, size chute 422 so that dilating mode slider 421
While sliding along radial slide rail 411, play fixing effect to dilating mode slider 421.
Described to dilate 43 be in pre-large post-small truncated cone-shaped, and the medial surface dilating head module 421 is and dilates 43
The cambered surface that lateral surface fits, the lateral surface dilating head module 421 is the profile that shape formed thereby matches with steel pipe opening to be dilated
Profile.Specifically, when need process different pore size when dilating steel pipe opening, can according to the interior caliber of steel pipe opening to be dilated,
That changes the lateral surface being adapted curvature dilates head module 421, wider with the scope of application that ensures the present invention.
The rear end dilating 43 is connected with fluid pressure drive device, drives it to be moved forward and backward.Described hydraulic-driven dress
Put including hydraulic piston connecting rod 51, hydraulic piston 52, hydraulic jack 53 and hydraulic package 54.Described dilate 43 and pass through liquid
Pressure piston rod 51 is connected with hydraulic piston 52, and fluid pressure drive device works under the control of whole electronic control system, and leads to
Cross the reciprocating motion before and after hydraulic oil drives the hydraulic piston 52 in hydraulic jack 53 to carry out.
Additionally, dilating the lateral surface of mould 42 and dilating and be also radially provided with many back-moving springs 6 between membrane module support 3,
For promoting the mode slider 421 that dilates after radially dilating to reset.
Using apparatus of the present invention, to steel wall pipeline opening expansion shaped insertion-type, details are provided below:
First, dilate mould 42 by what steel wall pipeline was fixedly clamped be aligned expansion shaped insertion-type device, and expansion shaped insertion-type position will be treated
It is heated to predetermined temperature, start the mobile drive system of expansion shaped insertion-type device, make expansion shaped insertion-type device along guide rail to steel pipe g sidesway
Dynamic, and control expansion shaped insertion-type device to move to precalculated position by the system of the moving displacement measurement and positioning of expansion shaped insertion-type device,
Partly outer being enclosed within dilates outside mould 42 to make the expansion shaped insertion-type for the treatment of of steel pipe g, then complete machine control system automatic hydraulic-driven dress
Put work, make fluid pressure drive device pass through the hydraulic piston 52 in high pressure liquid drives hydraulic jack 53 and be moved rearwards by, hydraulic pressure is lived
Plug 52 passes through hydraulic piston connecting rod 51 and drives to dilate 43 and be moved rearwards by, and dilates 43 and dilates mode slider using frustum cone side extruding
421, along the outside Slideslip of radial radial direction slide rail 411 dilating mold chassis 41, reach the purpose dilating steel pipe g.
After steel pipe g dilates and reaches predetermined shape, whole Electrical Control system controls fluid pressure drive device reverse drive hydraulic pressure
Piston 53 moves forward, and the elastic force effect lower edge now dilating mode slider 421 in back-moving spring 6 dilates the radial of mold chassis 41
The inside Slideslip of radial direction slide rail 411 is so that the steel pipe g demoulding after dilating mould 42 and dilating.
In order that the steel pipe g surface forming after dilating is well-balanced, the steel pipe g after dilating once can be rotated one along axial line
Determine after angle expansion shaped insertion-type again, or dilate and repeatedly steel pipe multiple rotary by above-mentioned expansion shaped insertion-type process, to be expanded
The well-balanced pipeline g of swollen aftershaping.
Embodiments of the invention are directed to the manufacturing of the steel wall pipeline using bayonet joint technique, provide a kind of steel wall
Pipeline mouth of pipe expansion shaped insertion-type device steel wall mouth of pipe expansion shaped insertion-type device, this device can by the two ends of steel wall straight pipeline respectively
Expansion shaped insertion-type is to accept head and plug, so that pipeline adopts bayonet joint.Described invention device mainly includes expansion shaped insertion-type dress
Put body, dilate membrane module, dilate membrane module support, drive and dilate mould radial motion and dilate head and fluid pressure drive device,
Wherein, further include in body drive expansion shaped insertion-type device chassis move along the rail Power Drive Unit, to expansion shaped insertion-type
The moving displacement of device measures the system of positioning, and for controlling the Electronic Control system of whole machine each part collaborative work
System, each part mentioned above is placed on the chassis of mouth of pipe expansion shaped insertion-type device jointly.The invention enables steel wall pipeline need not weld
In the case of, can be processed to set taking the lead and plug of specification, improve the production efficiency of spigot-and-socket steel wall pipeline.
The above description of this invention is illustrative and not restrictive, and those skilled in the art understands, will in right
Ask and it can be carried out within the spirit and scope of restriction with many modifications, change or equivalent, but they fall within the present invention's
In protection domain.
Claims (7)
1. a kind of steel wall mouth of pipe expansion shaped insertion-type device, comprising: expansion shaped insertion-type device chassis and expansion shaped insertion-type device body, dilates into
Type device body is fixed on expansion shaped insertion-type device chassis；It is characterized in that, described steel wall mouth of pipe expansion shaped insertion-type device also wraps
Include:
It is fixed on and dilates membrane module support on expansion shaped insertion-type device chassis, the front end dilating membrane module support is provided with cylinder
Cavity；
Dilate membrane module, comprise: dilate mold chassis, dilate mould and dilate head, described dilate mold chassis and be fixedly arranged on dilate mould
In the described cavity of assembly support, the described mold chassis that dilate are provided with radially radial a plurality of slide rail；Described slide rail
Cross section is in the trapezoidal or shape of falling t wide at the top and narrow at the bottom；Described dilate mould by multiple correspond respectively to a plurality of slide rail dilate mode slider
Composition, dilating mode slider radially can slide along slide rail；The described head that dilates is in pre-large post-small truncated cone-shaped, dilates head mould
The medial surface of block is and dilates the cambered surface that the lateral surface of head fits, the rear end dilating head is connected with fluid pressure drive device；Dilate
The lateral surface of mould and dilate and be additionally provided with the many back-moving springs radially extending between membrane module support.
2. steel wall mouth of pipe expansion shaped insertion-type device according to claim 1 is it is characterised in that the lateral surface dilating mode slider is
The appearance profile that shape formed thereby matches with steel pipe opening to be dilated.
3. steel wall mouth of pipe expansion shaped insertion-type device according to claim 1 is connected it is characterised in that dilating mode slider with slide rail
The one end connecing has the chute with slide rail same shape, size.
4. steel wall mouth of pipe expansion shaped insertion-type device according to claim 1 is it is characterised in that the described mold chassis that dilate pass through spiral shell
Bolt is fixed in the cavity dilating membrane module support.
5. steel wall mouth of pipe expansion shaped insertion-type device according to claim 1 is it is characterised in that described slide rail is bolted
In dilating on mold chassis.
6. steel wall mouth of pipe expansion shaped insertion-type device according to claim 1 is it is characterised in that described fluid pressure drive device bag
Include: hydraulic piston connecting rod, hydraulic piston, hydraulic jack and hydraulic package, the described head that dilates passes through hydraulic piston connecting rod and liquid
Pressure piston is connected, the reciprocating motion drive the hydraulic piston in hydraulic jack to carry out by hydraulic oil before and after.
7. steel wall mouth of pipe expansion shaped insertion-type device according to claim 1 is it is characterised in that described expansion shaped insertion-type device machine
Power Drive Unit that body comprises to drive forming machine chassis to move along the rail, the moving displacement of expansion shaped insertion-type device is measured
The device of positioning, and for controlling the whole electronic control system of whole machine each part collaborative work.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410208556.XA CN103990729B (en) | 2014-05-16 | 2014-05-16 | Steel wall pipe opening extension forming device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410208556.XA CN103990729B (en) | 2014-05-16 | 2014-05-16 | Steel wall pipe opening extension forming device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103990729A CN103990729A (en) | 2014-08-20 |
| CN103990729B true CN103990729B (en) | 2017-01-18 |
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ID=51305204
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410208556.XA Active CN103990729B (en) | 2014-05-16 | 2014-05-16 | Steel wall pipe opening extension forming device |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104624825A (en) * | 2014-12-17 | 2015-05-20 | 南京航空航天大学 | Submerged-arc welding straight welded pipe diameter expansion outer fan-shaped block for deep sea and surface protection method thereof |
| CN107803428B (en) * | 2017-10-27 | 2019-07-23 | 芜湖通和汽车管路系统股份有限公司 | A kind of pipe fitting angle welding heading forming frock |
| CN109317570A (en) * | 2018-11-13 | 2019-02-12 | 江苏海通海洋工程装备有限公司 | A kind of steel pipe undertaking socket wall thickness holding processing method |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4212186A (en) * | 1978-10-25 | 1980-07-15 | Blattler Joseph F | Pipe expander |
| JPS583735A (en) * | 1981-06-29 | 1983-01-10 | Nippon Kokan Kk <Nkk> | Pipe end expanding machine |
| JPH03281020A (en) * | 1990-03-28 | 1991-12-11 | Hitachi Ltd | Pipe end expanding method |
| NL9301960A (en) * | 1993-11-12 | 1995-06-01 | Waal Technology & Consultancy | Device for mechanically expanding a pipe or pipe part. |
| CN2561532Y (en) * | 2002-05-13 | 2003-07-23 | 天水锻压机床厂 | Steel pipe expander |
| CN201482874U (en) * | 2009-06-09 | 2010-05-26 | 无锡新得宝金属软管有限公司 | Automobile flexible hinge sizing device |
| CN201815599U (en) * | 2010-05-11 | 2011-05-04 | 湘潭华进科技有限公司 | Portable expanding machine |
| CN101856696A (en) * | 2010-06-02 | 2010-10-13 | 无锡新得宝金属软管有限公司 | Double-end sizing mill |
| CN202143924U (en) * | 2011-06-10 | 2012-02-15 | 青岛昊坤机械制造有限公司 | Expanding mill at end of steel pipe |
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2014
- 2014-05-16 CN CN201410208556.XA patent/CN103990729B/en active Active
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| CN103990729A (en) | 2014-08-20 |
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