CN103990729A - Steel wall pipe opening extension forming device - Google Patents
Steel wall pipe opening extension forming device Download PDFInfo
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- CN103990729A CN103990729A CN201410208556.XA CN201410208556A CN103990729A CN 103990729 A CN103990729 A CN 103990729A CN 201410208556 A CN201410208556 A CN 201410208556A CN 103990729 A CN103990729 A CN 103990729A
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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 a kind of steel wall mouth of pipe expansion shaped insertion-type device.
Background technology
Pipeline connection technology is a very important link in pipeline engineering work progress, the efficiency of interconnection technique directly has influence on the efficiency of pipeline engineering construction, therefore people, in the process of pipeline engineering practice, update and optimize pipeline connection technology, to improve efficiency of construction.
There is at present more pipeline connection technology to be suggested, as docking welding, flange connection, screwed connection, plough groove type connection, bayonet joint etc.Wherein, bayonet joint have connect simple, quick, save time, the feature such as laborsaving, mounting cost is low, therefore in pipeline construction, be widely adopted.No matter be steel pipes with straight or spiral steel pipe, when for pipeline engineering, in order to adopt bayonet joint technique, conventionally need to weld respectively and take the lead and plug at the two ends of a segment pipe, this welding process has seriously restricted the production efficiency of pipeline on the one hand, on the other hand due to purchase inconsistent with plug caliber size of taking the lead, usually cause pipeline to adopt bayonet joint after sealing property bad.
In view of this, for solving the problems of the technologies described above, the research and development of the inventor based on association area, and through constantly test and improvement, and then have generation of the present invention.
Summary of the invention
The present invention is directed to the manufacturing of the steel wall pipeline that adopts bayonet joint technique, a kind of steel wall mouth of pipe expansion shaped insertion-type device is provided, make steel wall pipeline without welding in the situation that, can be processed to set taking the lead and plug of specification, to improve the production efficiency of spigot-and-socket steel wall pipeline.
For reaching above-mentioned purpose, the invention provides 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, expansion shaped insertion-type device body is fixed on expansion shaped insertion-type device chassis; Wherein, described steel wall mouth of pipe expansion shaped insertion-type device also comprises:
Be fixed on and dilate membrane module support on expansion shaped insertion-type device chassis, the front end that dilates membrane module support is provided with cylindrical cavity;
Dilate membrane module, comprise: dilate mold chassis, dilate mould and dilate head, the described mold chassis that dilates is fixedly arranged in the described cavity that dilates membrane module support, and the described mold chassis that dilates is provided with many slide rails that are radial radiation shape; The described mould that dilates is made up of multiple mode sliders that dilate that correspond respectively to many slide rails, and dilating mode slider can radially slide along slide rail; The described head that dilates is pre-large post-small truncated cone-shaped, and the medial surface that dilates head module is the cambered surface fitting with the lateral surface that dilates head, and the rear end that dilates head is connected with fluid pressure drive device; Dilate the lateral surface of mould and dilate and between membrane module support, be also provided with many back-moving springs that radially extend.
Described steel wall mouth of pipe expansion shaped insertion-type device, wherein, the lateral surface that dilates mode slider is the appearance profile matching with steel pipe opening formed thereby shape to be dilated.
Described steel wall mouth of pipe expansion shaped insertion-type device, wherein, it is wide at the top and narrow at the bottom trapezoidal that the cross section of described slide rail is, and has and the chute of slide rail same shape, size and dilate one end that mode slider is connected with slide rail.
Described steel wall mouth of pipe expansion shaped insertion-type device, wherein, the cross section of described slide rail is inverted T-shaped, has and the chute of slide rail same shape, size and dilate one end that mode slider is connected with slide rail.
Described steel wall mouth of pipe expansion shaped insertion-type device, wherein, described in dilate mold chassis and be secured by bolts in the cavity that dilates membrane module 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 comprises: hydraulic piston connecting rod, hydraulic piston, hydraulic jack and hydraulic package, the described head that dilates is connected with hydraulic piston by hydraulic piston connecting rod, drives the hydraulic piston in hydraulic jack to carry out the reciprocating motion of front and back by hydraulic oil.
Described steel wall mouth of pipe expansion shaped insertion-type device, wherein, described expansion shaped insertion-type device body comprise drive forming machine chassis along the Power Drive Unit of guide rail movement, the moving displacement of expansion shaped insertion-type device is carried out to the device of measurement and positioning, and for controlling the complete machine electronic control system of the each parts collaborative work of complete machine.
Beneficial effect of the present invention is: make steel wall pipeline without welding in the situation that, can be processed to set taking the lead and plug of specification, to improve the production efficiency of spigot-and-socket steel wall pipeline.
In addition, when need to process different pore size in the time dilating steel pipe opening, can be according to the interior caliber of steel pipe opening to be dilated, change the curvature that adapts lateral surface dilate head module, wider to ensure the scope of application of the present invention.
And, for the steel tube surface moulding after making to dilate well-balanced, expansion shaped insertion-type again after steel pipe after dilating once can being rotated to an angle along axial line, or by above-mentioned expansion shaped insertion-type process by steel pipe multiple rotary and repeatedly dilate, to obtain dilating the well-balanced pipeline of aftershaping.
Brief description of the drawings
Fig. 1 is the overall schematic of steel wall mouth of pipe expansion shaped insertion-type device of the present invention;
Fig. 2 is the schematic cross-section that dilates mold chassis;
Fig. 3 dilates 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.
Detailed description of the invention
The technological means of relevant the present invention for reaching above-mentioned application target and effect and adopting, now enumerates better feasible embodiment, and coordinates shown in accompanying drawing, and details are as follows:
As shown in Figure 1 to Figure 3, be respectively steel wall mouth of pipe expansion shaped insertion-type device of the present invention overall schematic, dilate the schematic cross-section of mold chassis and dilate the structural representation that mode slider is combined with slide rail.Steel wall mouth of pipe expansion shaped insertion-type device of the present invention, mainly comprises: expansion shaped insertion-type device chassis 1, expansion shaped insertion-type device body 2 and dilate membrane module support 3.Wherein, expansion shaped insertion-type device body 2 and dilate membrane module support 3 and be all fixed on expansion shaped insertion-type device chassis 1.
Described expansion shaped insertion-type device body 2 comprise drive forming machine chassis along the Power Drive Unit of guide rail movement, the moving displacement of expansion shaped insertion-type device is carried out to the device of measurement and positioning, and for controlling the complete machine electronic control system of the each parts collaborative work of complete machine, because these devices are well known to those skilled in the art, therefore do not repeat them here.
Described to dilate membrane module support 3 generally V-shaped, and its front end is provided with cylindrical cavity and dilates membrane module 4 for holding fixing, and the rear end that dilates membrane module support 3 is installed with described expansion shaped insertion-type device body 2.
The described membrane module 4 that dilates comprises: dilate mold chassis 41, dilate mould 42 and dilate 43, wherein, the described mold chassis 41 that dilates is installed in the described cavity that dilates membrane module support 3, particularly, described in, dilating mold chassis 41 can be fixed in the cavity that dilates membrane module support 3 by bolt (not being shown in detail in figure).
Especially as shown in Figure 2; the described mold chassis 41 that dilates is provided with many slide rails 411 that are radial radiation shape; and described in dilate mould 42 and formed by multiple mode sliders 421 that dilate that correspond respectively to many slide rails 411, dilating mode slider 421 can radially slide along slide rail 411.Particularly, described slide rail 411 can be fixed on and be dilated on mold chassis 41 by bolt (not being shown in detail in figure).
Preferably; ask for an interview Fig. 3; it is wide at the top and narrow at the bottom trapezoidal that the cross section of described slide rail 411 is; have and the chute 422 of slide rail 411 same shapes, size and dilate one end that mode slider 421 is connected with slide rail 411; make to dilate mode slider 421 in sliding along radial slide rail 411, play fixing effect to dilating mode slider 421.
Described dilate 43 and be pre-large post-small truncated cone-shaped, the medial surface that dilates head module 421 is the cambered surface fitting with a lateral surface that dilates 43, and the lateral surface that dilates head module 421 is the appearance profile matching with steel pipe opening formed thereby shape to be dilated.Particularly, when need to process different pore size in the time dilating steel pipe opening, can be according to the interior caliber of steel pipe opening to be dilated, change the curvature that adapts lateral surface dilate head module 421, wider to ensure the scope of application of the present invention.
Dilate a rear end of 43 and be connected with fluid pressure drive device, drive it to move forward and backward.Described fluid pressure drive device comprises: hydraulic piston connecting rod 51, hydraulic piston 52, hydraulic jack 53 and hydraulic package 54.Describedly dilate 43 and be connected with hydraulic piston 52 by hydraulic piston connecting rod 51, fluid pressure drive device is worked under the control of complete machine electronic control system, and drives the hydraulic piston 52 in hydraulic jack 53 to carry out the reciprocating motion of front and back by hydraulic oil.
In addition, dilate the lateral surface of mould 42 and dilate and between membrane module support 3, be also radially provided with many back-moving springs 6, reset for the mode slider 421 that dilates after promoting radially to dilate.
Utilize apparatus of the present invention as described below to the detailed process of steel wall pipeline opening expansion shaped insertion-type:
First, by steel wall piping clip fasten aim at expansion shaped insertion-type device dilate mould 42, and will treat that expansion shaped insertion-type position 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 side shifting, and the system control expansion shaped insertion-type device of moving displacement measurement and positioning by expansion shaped insertion-type device moves to precalculated position, make treating that expansion shaped insertion-type part is enclosed within outward and dilating mould 42 outsides of steel pipe G, then the automatic primer fluid hydraulic driver work of complete machine control system, fluid pressure drive device is moved backward by the hydraulic piston 52 in high pressure liquid drives hydraulic jack 53, hydraulic piston 52 is driven and is dilated 43 and move backward by hydraulic piston connecting rod 51, dilating 43 utilizes frustum cone side extruding to dilate mode slider 421 to slide laterally along the radial radially slide rail 411 that dilates mold chassis 41, reach the object that dilates steel pipe G.
When steel pipe G dilates after the shape that reaches predetermined; complete machine electric control system controls fluid pressure drive device reverse drive hydraulic piston 53 moves forward; now dilate mode slider 421 and slide to the inside along the radial radially slide rail 411 that dilates mold chassis 41 under the elastic force effect of back-moving spring 6, make the steel pipe G demoulding after dilating mould 42 and dilating.
For the steel pipe G surface forming after making to dilate well-balanced, expansion shaped insertion-type again after steel pipe G after dilating once can being rotated to an angle along axial line, or by above-mentioned expansion shaped insertion-type process by steel pipe multiple rotary and repeatedly dilate, to obtain dilating the well-balanced pipeline G of aftershaping.
Embodiments of the invention are for the manufacturing of the steel wall pipeline of employing bayonet joint technique, a kind of steel wall pipeline mouth of pipe expansion shaped insertion-type device---steel wall mouth of pipe expansion shaped insertion-type device is provided, this device can by the two ends of steel wall straight pipeline respectively expansion shaped insertion-type for accept head and plug so that pipeline adopt bayonet joint.Described contrive equipment mainly comprises expansion shaped insertion-type device body, dilates membrane module, dilates membrane module support, drive and dilate mould radial motion and dilate head and fluid pressure drive device, wherein, in body, further comprise drive expansion shaped insertion-type device chassis along the Power Drive Unit of guide rail movement, the moving displacement of expansion shaped insertion-type device is carried out to the system of measurement and positioning, and for controlling the electronic control system of the each parts collaborative work of complete machine, 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 without welding in the situation that, can be processed to set taking the lead and plug of specification, improved the production efficiency of spigot-and-socket steel wall pipeline.
The above description of this invention is illustrative, and nonrestrictive, and those skilled in the art is understood, and can carry out many amendments, variation or equivalence to it, but they all will fall within the scope of protection of the present invention in claim within the spirit limiting and scope.
Claims (8)
1. a steel wall mouth of pipe expansion shaped insertion-type device, comprising: expansion shaped insertion-type device chassis and expansion shaped insertion-type device body, and expansion shaped insertion-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 comprises:
Be fixed on and dilate membrane module support on expansion shaped insertion-type device chassis, the front end that dilates membrane module support is provided with cylindrical cavity;
Dilate membrane module, comprise: dilate mold chassis, dilate mould and dilate head, the described mold chassis that dilates is fixedly arranged in the described cavity that dilates membrane module support, and the described mold chassis that dilates is provided with many slide rails that are radial radiation shape; The described mould that dilates is made up of multiple mode sliders that dilate that correspond respectively to many slide rails, and dilating mode slider can radially slide along slide rail; The described head that dilates is pre-large post-small truncated cone-shaped, and the medial surface that dilates head module is the cambered surface fitting with the lateral surface that dilates head, and the rear end that dilates head is connected with fluid pressure drive device; Dilate the lateral surface of mould and dilate and between membrane module support, be also provided with many back-moving springs that radially extend.
2. steel wall mouth of pipe expansion shaped insertion-type device according to claim 1, is characterized in that, the lateral surface that dilates mode slider is the appearance profile matching with steel pipe opening formed thereby shape to be dilated.
3. steel wall mouth of pipe expansion shaped insertion-type device according to claim 1, is characterized in that, it is wide at the top and narrow at the bottom trapezoidal that the cross section of described slide rail is, and has and the chute of slide rail same shape, size and dilate one end that mode slider is connected with slide rail.
4. steel wall mouth of pipe expansion shaped insertion-type device according to claim 1, is characterized in that, the cross section of described slide rail is inverted T-shaped, has and the chute of slide rail same shape, size and dilate one end that mode slider is connected with slide rail.
5. steel wall mouth of pipe expansion shaped insertion-type device according to claim 1, is characterized in that, described in dilate mold chassis and be secured by bolts in the cavity that dilates membrane module support.
6. steel wall mouth of pipe expansion shaped insertion-type device according to claim 1, is characterized in that, described slide rail is secured by bolts in and dilates on mold chassis.
7. steel wall mouth of pipe expansion shaped insertion-type device according to claim 1, it is characterized in that, described fluid pressure drive device comprises: hydraulic piston connecting rod, hydraulic piston, hydraulic jack and hydraulic package, the described head that dilates is connected with hydraulic piston by hydraulic piston connecting rod, drives the hydraulic piston in hydraulic jack to carry out the reciprocating motion of front and back by hydraulic oil.
8. steel wall mouth of pipe expansion shaped insertion-type device according to claim 1, it is characterized in that, described expansion shaped insertion-type device body comprise drive forming machine chassis along the Power Drive Unit of guide rail movement, the moving displacement of expansion shaped insertion-type device is carried out to the device of measurement and positioning, and for controlling the complete machine electronic control system of the each parts collaborative work of complete machine.
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 |
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| CN103990729A true CN103990729A (en) | 2014-08-20 |
| CN103990729B CN103990729B (en) | 2017-01-18 |
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| CN201410208556.XA Active CN103990729B (en) | 2014-05-16 | 2014-05-16 | Steel wall pipe opening extension forming device |
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Cited By (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 |
| CN107803428A (en) * | 2017-10-27 | 2018-03-16 | 芜湖通和汽车管路系统股份有限公司 | A kind of pipe fitting angle welds 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 |
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| 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 |
| EP0653256A1 (en) * | 1993-11-12 | 1995-05-17 | DE WAAL TECHNOLOGY & CONSULTANCY B.V. | Device for mechanically expanding a pipe or pipe section |
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Cited By (4)
| 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 |
| CN107803428A (en) * | 2017-10-27 | 2018-03-16 | 芜湖通和汽车管路系统股份有限公司 | A kind of pipe fitting angle welds heading forming frock |
| 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 |
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| Publication number | Publication date |
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| CN103990729B (en) | 2017-01-18 |
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