CN102688949B - On-line straightener for steel tube expanding - Google Patents
On-line straightener for steel tube expanding Download PDFInfo
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- CN102688949B CN102688949B CN201210171538.XA CN201210171538A CN102688949B CN 102688949 B CN102688949 B CN 102688949B CN 201210171538 A CN201210171538 A CN 201210171538A CN 102688949 B CN102688949 B CN 102688949B
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Abstract
The invention relates to the technical field of production of steel tubes, and discloses an on-line straightener for steel tube expanding. The on-line straightener comprises a base, a portal frame, clamping beams, lifting jacks and a servo motor, wherein the base is mounted on the expanding line of an expanding machine; a steel tube passage is arranged on the base in the length direction of a steel tube; the portal frame is mounted on the base; the steel tube passage is positioned in the middle inside the portal frame; the clamping beams which form certain included angles with the horizontal plane are respectively and symmetrically arranged on both sides of the inside of the portal frame; and the lifting jacks are connected to the clamping beams respectively and are controlled through the servo motor. The on-line straightener realizes the simultaneous performance of the steel tube expansion and strengthening, reduces the conventional complex strengthening procedure, prevents the steel tube from being crushed, flawing or deforming during the strengthening process, improves the quality of tubes, and achieves the effects of energy conservation and efficiency improvement.
Description
Technical field
The present invention relates to steel pipe's production technical field, particularly relate to the online coalignment of a kind of pipe expanding.
Background technology
Steel pipes with straight expanding machine equipment is being produced minor diameter thin wall steel pipe (wherein: diameter is 16 "～30 " (406.4mm～762mm), wall thickness is (6mm-12mm)) time, after hole enlargement, tubing is easily crooked, affects the linearity of steel pipe, need to carry out alignment by straightener.Conventional way is by steel tube straightening machine, to carry out alignment again after pipe expanding is completed at present, and this alignment process is complicated, easily tube wall is caused and is weighed wounded, affects the product quality of steel pipe; Thereby and because the tubing of hole enlargement after completing, in course of conveying, the toughness that sclerosis has reduced tubing can occur, after hole enlargement, alignment easily makes steel pipe generation crackle and easily causes the steel pipe sizes of moulding to change again.
Summary of the invention
(1) technical problem that will solve
The technical problem to be solved in the present invention is how to provide a kind of pipe expanding online coalignment, to reduce alignment process, avoids steel pipe to weigh wounded, thereby improves the product quality of steel pipe.
(2) technical scheme
In order to solve the problems of the technologies described above, the invention provides the online coalignment of a kind of pipe expanding, comprise base, gate-type frame, clamping beam, jack and servomotor, described floor installation is on the expander line of expanding machine, on described base, along steel pipe length direction, be provided with steel tube pathway, described gate-type frame is arranged on described base, described steel tube pathway is positioned at the centre position of described gate-type frame inside, the inner both sides of described gate-type frame arrange symmetrically respectively one and have the clamping beam of certain angle with horizontal plane, on every described clamping beam, be connected with respectively jack, described jack is controlled by servomotor, described servomotor is connected with console.
Wherein, the angle of described clamping beam and horizontal plane is 20～40 °.
Wherein, the angle of described clamping beam and horizontal plane is 30 °.
Wherein, on every described clamping beam, be connected with respectively at least two jack.
Wherein, at least two jack that connect on every described clamping beam are connected with described servomotor by an adjusting screw(rod), and described adjusting screw(rod) is arranged in described gate-type frame.
Wherein, described in each, one end of jack is connected with clamping beam by ring flange, and the other end is connected with described adjusting screw(rod) by worm-and-wheel gear.
Wherein, described gate-type frame is arranged on described base by bolt assembly, and described gate-type frame is provided with suspension hook.
Wherein, described gate-type frame comprises the first gate-type frame and the second gate-type frame, the both sides of described the first gate-type frame and the second gate-type frame are connected by frame fixed bar respectively, the top of described the first gate-type frame is provided with first crossbeam, the top of described the second gate-type frame is provided with second cross beam, and described first crossbeam is connected by crossbeam fixed bar with second cross beam.
(3) beneficial effect
The online coalignment of a kind of pipe expanding that technique scheme provides, employing is arranged on the gate-type frame on hole enlargement production line, in gate-type frame, clamping beam is installed, and carry out when driving this clamping beam to realize pipe expanding and alignment by the jack of being controlled by servomotor, reduced the alignment process of traditional complexity, avoid steel pipe in alignment process, to be weighed, crack or produce wounded distortion, improved pipe material product quality, reached the effect of energy efficiency.
Accompanying drawing explanation
Fig. 1 is the front view of the online coalignment of a kind of pipe expanding of the present invention;
Fig. 2 is the side view of the online coalignment of a kind of pipe expanding of the present invention.
Wherein, 1, base; 2, gate-type frame; 2a, the first gate-type frame; 2b, the second gate-type frame; 2c, frame fixed bar; 2d, first crossbeam; 2e, second cross beam; 2f, crossbeam fixed bar; 3, clamping beam; 4, jack; 5, servomotor; 6, adjusting screw(rod); 7, steel pipe.
The specific embodiment
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail.Following examples are used for illustrating the present invention, but are not used for limiting the scope of the invention.
As Fig. 1 and Fig. 2, the online coalignment of a kind of pipe expanding of the present invention, comprise base 1, gate-type frame 2, clamping beam 3, jack 4 and servomotor 5, base 1 is arranged on the expander line of expanding machine, on this base 1, along steel pipe length direction, be provided with steel tube pathway 1a, gate-type frame 2 is arranged on base 1, steel tube pathway 1a is positioned at the centre position of gate-type frame 2 inside, the inner both sides of gate-type frame 2 arrange symmetrically respectively one and have the clamping beam 3 of certain angle with horizontal plane, on every clamping beam 3, be connected with respectively jack, jack 4 is controlled by servomotor 5, this servomotor 5 is connected with console.
This online coalignment is set on the expander line of expanding machine, make steel pipe 7 in hole enlargement, carry out alignment, be specially: in expander process, when body bending being detected, console sends coherent signal automatically to servomotor 5, controlling servomotor 5 regulates the drafts of jack 4 to come the clamping beam 3 of adjustment doors open frame 2 inner both sides and the relative position of steel pipe according to actual body flexibility and body external diameter, make steel pipe 7 crooked position in hole enlargement process be held beam 3 alignments, in alignment process, clamping beam 3 is fixed with the angle of horizontal plane.
The online coalignment of a kind of pipe expanding that adopts technique scheme to provide, this coalignment is arranged on hole enlargement production line, alignment for minor diameter thin wall steel pipe, when having realized pipe expanding and alignment, carry out, reduced the alignment process of traditional complexity, avoid steel pipe 7 in alignment process, to be weighed, crack or produce wounded distortion, improved pipe material product quality, reached the effect of energy efficiency.
In order to guarantee the alignment effect of 3 pairs of steel pipes of clamping beam, clamping beam 3 is 20～40 ° with the angle of horizontal plane, is preferably 30 °, and now, the clamping beam 3 of these gate-type frame 2 inner both sides lays respectively at and the position at 10 o'clock in dial at 2.
In order to improve the degree of balance and the alignment active force to steel pipe of clamping beam 3, on the every clamping beam 3 of the present embodiment, be connected with respectively at least two jack 4.These at least two jack 4 are connected with servomotor 5 by an adjusting screw(rod) 6, and this adjusting screw(rod) 6 is arranged in gate-type frame 2.Preferably, on every clamping beam 3, be connected with respectively two jack 4, as shown in Figure 2.Preferably, one end of jack 4 is connected with clamping beam 3 by ring flange, the other end is connected with adjusting screw(rod) 6 by worm-and-wheel gear, adjusting screw(rod) 6 passes to jack 4 by the driving force of servomotor 5 by worm-and-wheel gear, to drive the alignment active force of jack 4 and then 3 pairs of steel pipes of drive clamping beam.
Wherein, gate-type frame 2 is arranged on base 1 by bolt assembly, and this gate-type frame 2 is provided with suspension hook.
In order to facilitate dismounting, the installation and maintenance of this coalignment, make to leave this coalignment under order in the hole enlargement process of major-diameter thick-wall steel pipe that does not need alignment, and reduce cost, the gate-type frame 2 of the present embodiment comprises the first gate-type frame 2a and the second gate-type frame 2b, the both sides of this first gate-type frame 2a and the second gate-type frame 2b are connected by frame fixed bar 2c respectively, the top of the first gate-type frame 2a is provided with first crossbeam 2d, the top of the second gate-type frame 2b is provided with second cross beam 2e, and this first crossbeam 2d is connected by crossbeam fixed bar 2f with second cross beam 2e.First crossbeam 2d and second cross beam 2c removably connect with the first gate-type frame 2a and the second gate-type frame 2b respectively.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, do not departing under the prerequisite of the technology of the present invention principle; can also make some improvement and replacement, these improvement and replacement also should be considered as protection scope of the present invention.
Claims (6)
1. the online coalignment of pipe expanding, it is characterized in that, comprise base, gate-type frame, clamping beam, jack and servomotor, described floor installation is on the expander line of expanding machine, on described base, along steel pipe length direction, be provided with steel tube pathway, described gate-type frame is arranged on described base, described steel tube pathway is positioned at the centre position of described gate-type frame inside, the oblique upper of the inner both sides of described gate-type frame arranges symmetrically respectively one and has the clamping beam of certain angle with horizontal plane, on every described clamping beam, be connected with respectively at least two jack, at least two jack that connect on every described clamping beam are connected with described servomotor by an adjusting screw(rod), described adjusting screw(rod) is arranged in described gate-type frame, described jack is controlled by servomotor, described servomotor is connected with console.
2. the online coalignment of pipe expanding as claimed in claim 1, is characterized in that, the angle of described clamping beam and horizontal plane is 20～40 °.
3. the online coalignment of pipe expanding as claimed in claim 2, is characterized in that, the angle of described clamping beam and horizontal plane is 30 °.
4. the online coalignment of pipe expanding as claimed in claim 1, is characterized in that, described in each, one end of jack is connected with clamping beam by ring flange, and the other end is connected with described adjusting screw(rod) by worm-and-wheel gear.
5. the online coalignment of pipe expanding as claimed in claim 1, is characterized in that, described gate-type frame is arranged on described base by bolt assembly, and described gate-type frame is provided with suspension hook.
6. the online coalignment of pipe expanding as claimed in claim 1, it is characterized in that, described gate-type frame comprises the first gate-type frame and the second gate-type frame, the both sides of described the first gate-type frame and the second gate-type frame are connected by frame fixed bar respectively, the top of described the first gate-type frame is provided with first crossbeam, the top of described the second gate-type frame is provided with second cross beam, and described first crossbeam is connected by crossbeam fixed bar with second cross beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210171538.XA CN102688949B (en) | 2012-05-29 | 2012-05-29 | On-line straightener for steel tube expanding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210171538.XA CN102688949B (en) | 2012-05-29 | 2012-05-29 | On-line straightener for steel tube expanding |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102688949A CN102688949A (en) | 2012-09-26 |
| CN102688949B true CN102688949B (en) | 2014-10-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210171538.XA Active CN102688949B (en) | 2012-05-29 | 2012-05-29 | On-line straightener for steel tube expanding |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111515245A (en) * | 2020-05-09 | 2020-08-11 | 广东誉嘉智能装备有限公司 | Continuous pair roller production line for lithium ion batteries |
| CN112958709B (en) * | 2021-05-17 | 2021-07-20 | 南通市力行机械制造有限公司 | Online straightening device for expanding steel pipe |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3824668A (en) * | 1973-01-26 | 1974-07-23 | Emerson Electric Co | Continuous stroke tube insertion and expanding device |
| JP2002321028A (en) * | 2001-04-25 | 2002-11-05 | Mitsubishi Heavy Ind Ltd | Quality control method for tube expanding and tube expanding apparatus with measuring function for quality control in tube expanding |
| CN101069904A (en) * | 2007-05-23 | 2007-11-14 | 天水锻压机床有限公司 | Straightening method for use while expanding steel pipe |
| CN201120435Y (en) * | 2007-10-24 | 2008-09-24 | 王及元 | Diameter enlarging machine |
| CN101623723A (en) * | 2009-07-03 | 2010-01-13 | 成都莱克冶金机械设备制造有限公司 | Horizontal type gas straighter |
| CN202621744U (en) * | 2012-05-29 | 2012-12-26 | 江苏玉龙钢管股份有限公司 | Online diameter enlarging and correcting device of steel pipe |
-
2012
- 2012-05-29 CN CN201210171538.XA patent/CN102688949B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3824668A (en) * | 1973-01-26 | 1974-07-23 | Emerson Electric Co | Continuous stroke tube insertion and expanding device |
| JP2002321028A (en) * | 2001-04-25 | 2002-11-05 | Mitsubishi Heavy Ind Ltd | Quality control method for tube expanding and tube expanding apparatus with measuring function for quality control in tube expanding |
| CN101069904A (en) * | 2007-05-23 | 2007-11-14 | 天水锻压机床有限公司 | Straightening method for use while expanding steel pipe |
| CN201120435Y (en) * | 2007-10-24 | 2008-09-24 | 王及元 | Diameter enlarging machine |
| CN101623723A (en) * | 2009-07-03 | 2010-01-13 | 成都莱克冶金机械设备制造有限公司 | Horizontal type gas straighter |
| CN202621744U (en) * | 2012-05-29 | 2012-12-26 | 江苏玉龙钢管股份有限公司 | Online diameter enlarging and correcting device of steel pipe |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102688949A (en) | 2012-09-26 |
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Effective date of registration: 20191120 Address after: 214183 Jiangsu Province, Wuxi city Huishan District Qi street ERON Road No. 15 Patentee after: Jiangsu Yulong Steel Pipe Technology Co., Ltd Address before: 214183, No. 15 ERON Road, jade Town, Jiangsu, Wuxi Patentee before: Jiangsu Yulong Steel Pipe Co., Ltd. |
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