CN101109039A - Rotation lifting mechanism in steel tube guenching device and steel tube transformation hardening method thereof - Google Patents
Rotation lifting mechanism in steel tube guenching device and steel tube transformation hardening method thereof Download PDFInfo
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- CN101109039A CN101109039A CNA2007100185008A CN200710018500A CN101109039A CN 101109039 A CN101109039 A CN 101109039A CN A2007100185008 A CNA2007100185008 A CN A2007100185008A CN 200710018500 A CN200710018500 A CN 200710018500A CN 101109039 A CN101109039 A CN 101109039A
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Abstract
The invention relates to a rotation lifting mechanism of a steel pipe quenching unit and a steel pipe quenching method. The steel pipe quenching method is that when the heated steel pipe is placed on a rotation supporting wheel, the rotation supporting wheel rotates at a speed lower than 10 rotations per minute to 15 rotations per minute; a compaction device distributed along the steel pipe direction closely presses the steel pipe; the rotation supporting wheel drives the steel pipe to rotate at a speed faster than 45 rotations per minute to 120 rotations per minute, and drives a frame beam 7 to move downwards at a speed of 150 mm per second to 400 mm per second driven by a left lift cylinder 1 and a right lift cylinder 9 at the same time; the steel pipe is dipped into quenching medium of a quenching tank, at this time, the inner spraying liquid flushes liquid to the internal of the steel pipe by an inner spraying nozzle always aiming to mouth of the steel pipe and the steel pipe inner wall quenching is carried out; until the temperature of the steel pipe is lower than 300 DEG C., the frame beam 7 is driven by both the left lift cylinder 1 and the right lift cylinder 9 and is lifted, at the same time, the compaction device is opened and a feeding overturn board 3 is turned to the material outlet location from a material receiping location to convey the steel pipe to an inclined bench.
Description
Technical field
The present invention relates to a kind of metal heat treatmet equipment and method of design thereof, particularly be applied to rotation and lifting mechanism and steel pipe quenching method in the steel pipe quenching device.
Background technology
Along with output of steel tube is increasing, steel tube performance is more and more higher, and the steel pipe's production manufacturing is just more and more stricter to the technical requirements of quenching device.When adopting " soak and quench+rotate+interior spray " quenching technology, rotation and lifting mechanism is the core component of quenching device in the chamfer putting steel tube.For the linearity of the back steel pipe that satisfy to quench and mechanical property consistence in the steel pipe total length, just must a kind of mechanism of design, require it both the quick dip quench medium of steel pipe can be able to be guaranteed steel pipe high speed rotating when the dip quench medium again.At present in disclosed this type of technical equipment, all in various degree have a deficiency on the function, just solved steel pipe rotation problem merely as the 97218368.X patented technology, but accurately there is functional defect in the automatic lifting for steel pipe in the location, and the safe reliability under steel pipe high speed rotating state still remains to be improved in addition; No. 200520043055.7 patented technologies and for example, the three-dimensional regulation of component relative position though it can accomplish to quench obviously is not suitable for the whole requirement of quenching technology and equipment in the chamfer putting steel tube.
Summary of the invention
The invention provides rotation and lifting mechanism and steel pipe quenching method in a kind of steel pipe quenching device, so that realize quick dip quench medium in the steel pipe quenching, guarantee steel pipe high speed rotating when immersing, make the steel pipe rapid quenching, guarantee the finished product of steel pipe simultaneously, determine the safe reliability of producing.
The object of the present invention is achieved like this, and the steel pipe quenching method in the steel pipe quenching device is characterized in that: when the steel pipe that heats is put on the rotation supporting-point roller, rotate supporting-point roller with slower 10～15 rev/mins of speed rotation; The hold-down gear that distributes along the steel pipe direction compresses steel pipe then, the rotation supporting-point roller drives steel pipe with very fast 45～120 rev/mins of speed rotation, drive simultaneously by left lift cylinders 1 and right lift cylinders 9, drive Vierendeel girder 7 quick 150～400 mm/second speed motion downwards, in the quenchant in the steel pipe dip quench groove, at this moment in hydrojet by all the time with steel pipe mouth of pipe aligned in the spray shower nozzle in steel pipe, carry out the steel pipe inwall and quench towards liquid; The temperature that reaches setting up to the temperature of steel pipe is during less than 300 degrees centigrade, driven simultaneously by left lift cylinders 1 and right lift cylinders 9, drive Vierendeel girder 7 and move upward, Vierendeel girder 7 rises, hold-down gear is opened simultaneously, and blanking panel turnover 3 is outputed to steel pipe on the sloping skid to going out material level by the bit flipping that connects material.
Rotation and lifting mechanism in the described steel pipe quenching device comprises left lift cylinders 1, left supporting beam 2, right lift cylinders 9, right supporting beam 10, Vierendeel girder 7, blanking panel turnover 3, guiding trestle 4, rotation support 5, hold-down gear 6, interior spray shower nozzle 8 at least; Left side supporting beam 2 and right supporting beam 10 bottomland foot bolts are affixed with the basis; Lift cylinders 1 top, a left side and left supporting beam 2 are hinged, and bottom and Vierendeel girder 7 are hinged; Right lift cylinders 9 tops and right supporting beam 2 are hinged, and bottom and Vierendeel girder 7 are hinged; Vierendeel girder 7 left sides and left lift cylinders 1 are hinged, and the right and right lift cylinders 9 are hinged; Vierendeel girder 7 is slidingly connected with guiding trestle 4; Vierendeel girder 7 upper level fixed interval have hold-down gear 6, and hold-down gear 6 is made up of tail rod 11, single acting oil cylinder 12, bearing 13 and press-roller device 14; Vierendeel girder 7 bottom along continuous straight runs rotate support 5 with above-mentioned hold-down gear 6 corresponding being fixed with, Vierendeel girder 7 bottoms also are fixed with blanking panel turnover 3, blanking panel turnover 3 is with to drive oil cylinder hinged, and rotation is supported 5 and is connected by chain with oil motor, and oil motor is fixed on Vierendeel girder 7 bottoms.
5 one sides are supported in described rotation interior spray shower nozzle 8, and interior spray shower nozzle 8 is connected with telescopic tube.
Described blanking panel turnover 3 is fixed along the horizontal interval.
Described bearing 13 is a symmetrical structure, the slide cartridge 15 that the both sides symmetry has tail rod 11 to move up and down, there is the anchor 16 of location single acting oil cylinder 12 centre, press-roller device 14 is connected with the both sides tail rod 11 on the first from left right side respectively, fixing with intermediary single acting oil cylinder 12, make press-roller device 14 and bearing 13 form mutual moveable linker.
The principle of work of this mechanism is as follows: when the steel pipe of heating is put into rotation (10～15 rev/mins) rotation at a slow speed when support going up, after many group hold-down gears are depressed steel pipe are compressed, supporting-point roller drives steel pipe (45～120 rev/mins) rotation fast, Vierendeel girder is driven simultaneously by left lift cylinders and right lift cylinders, (150～400 mm/second) motion fast downwards, in the quenchant in the steel pipe dip quench groove, at this moment interior hydrojet by all the time with steel pipe mouth of pipe aligned in the spray shower nozzle in steel pipe, carry out the steel pipe inwall and quench towards liquid, when the temperature of steel pipe reaches the temperature (less than 300 degrees centigrade) of setting, left and right sides lift cylinders rises Vierendeel girder, hold-down gear is opened simultaneously, and blanking panel turnover just can be outputed to steel pipe on the sloping skid to going out material level by the bit flipping that connects material.
Rotation and lifting mechanism provided by the invention and method of design, in " soak and quench+rotate+interior spray " technology that is applied to quench in the chamfer putting steel tube, the steel pipe that can satisfy processing requirement immerses fast, can guarantee steel pipe high speed rotating when immersing again, have rotation, compress and the superior technique effect and the comprehensive function of discharging.
Description of drawings
The present invention will be further described below in conjunction with the embodiment accompanying drawing:
Fig. 1 is the device structure synoptic diagram of one embodiment of the present of invention;
Fig. 2 is the side-view of Fig. 1;
Fig. 3 is the hold-down gear structural representation of this embodiment.
Among the figure: 1, left lift cylinders; 2, left supporting beam; 3, blanking panel turnover; 4, guiding trestle; 5, rotation is supported; 6, hold-down gear; 7, Vierendeel girder; 8, interior spray shower nozzle; 9, right lift cylinders; 10, right supporting beam; 11, tail rod; 12, single acting oil cylinder; 13, bearing; 14, press-roller device; 15 slide cartridges; 16, anchor.
Embodiment
Device structure of the present invention adopts two oil cylinders to drive Vierendeel girder as power and moves up and down, and from this embodiment Fig. 1 and Fig. 2 as can be seen: rotation and lifting mechanism comprises at least that left lift cylinders 1, left supporting beam 2, right lift cylinders 9, right supporting beam 10, Vierendeel girder 7, blanking panel turnover 3, guiding trestle 4, rotation support 5, hold-down gear 6, interior spray shower nozzle 8.Left side supporting beam 2 and right supporting beam 10 bottomland foot bolts are affixed with the basis; Lift cylinders 1 top, a left side and left supporting beam 2 are hinged, and bottom and Vierendeel girder 7 are hinged; Right lift cylinders 9 tops and right supporting beam 2 are hinged, and bottom and Vierendeel girder 7 are hinged; Vierendeel girder 7 left sides and left lift cylinders 1 are hinged, and the right and right lift cylinders 9 are hinged; Vierendeel girder 7 is slidingly connected with guiding trestle 4; Vierendeel girder 7 upper level fixed interval have hold-down gear 6, Vierendeel girder 7 bottom along continuous straight runs rotate support 5 with above-mentioned hold-down gear 6 corresponding being fixed with, Vierendeel girder 7 bottoms also are fixed with blanking panel turnover 3, blanking panel turnover 3 is hinged with the driving oil cylinder, rotation is supported 5 and is connected by chain with oil motor, and oil motor is fixed on Vierendeel girder 7 bottoms.
As shown in Figure 2, Fig. 2 is the side-view of Fig. 1.Clearerly from Fig. 2 find out that left and right sides hoist cylinder 1,9 is positioned at two of Vierendeel girder 7, the steel pipe that needs to quench passes through in the middle of framework; Blanking panel turnover 3, rotation support 5, hold-down gear 6, interior spray shower nozzle 8 and drag chain pipeline etc. are installed on the Vierendeel girder 7; Vierendeel girder 7 and guiding trestle 4 companies of slip.Blanking panel turnover 3 is by hydraulic oil cylinder driving, and the turnover panel of design has many groups; Rotation is supported 5 and is provided power by oil motor, and motor drives an axis rotation, drives the rotation of many group supporting-point roller by chain, and every group of supporting-point roller comprises a pair roller.
Hold-down gear 6 comprises tail rod 11, single acting oil cylinder 12, bearing 13 and press-roller device 14 at least as seen from Figure 3.Bearing 13 is a symmetrical structure, the both sides symmetry has the slide cartridge 15 that moves up and down for tail rod 11, there is the anchor 16 of location single acting oil cylinder 12 centre, press-roller device 14 is connected with the both sides tail rod 11 on the first from left right side respectively, fixing with intermediary single acting oil cylinder 12, make press-roller device 14 and bearing 13 form mutual moveable linker.Press-roller device 14 compresses steel pipe when the steel pipe high speed rotating, prevent that steel pipe from throwing away.
The embodiment of the invention hold-down gear 6 can design many groups, from this embodiment Fig. 3 as can be seen: every group of adapter by the interior spray shower nozzle 8 of tail rod 11, single acting oil cylinder 12, bearing 13 and the embodiment of the invention can be stretched, and the steel pipe center is forever consistent with interior spray shower nozzle center when spraying in satisfying.
Steel pipe quenching method in the steel pipe quenching device is: when the steel pipe of heating is put on the rotation supporting-point roller, the rotation supporting-point roller rotates this embodiment with 12 rev/mins of speed with 10～15 rev/mins of speed at a slow speed; The hold-down gear that distributes along the steel pipe direction compresses steel pipe then, the rotation supporting-point roller drives steel pipe with quick 45～120 rev/mins of speed rotation, this embodiment is driven by left lift cylinders 1 and right lift cylinders 9 simultaneously with 90 rev/mins of speed rotations, drive Vierendeel girder 7 quick 150～400 mm/second speed motion downwards, this embodiment moves with 300 mm/second speed, in the quenchant in the steel pipe dip quench groove, at this moment in hydrojet by all the time with steel pipe mouth of pipe aligned in the spray shower nozzle in steel pipe, carry out the steel pipe inwall and quench towards liquid; When the temperature of steel pipe reaches the temperature (less than 300 degrees centigrade) of setting, driven simultaneously by left lift cylinders 1 and right lift cylinders 9, drive Vierendeel girder 7 and move upward, Vierendeel girder 7 rises, hold-down gear is opened simultaneously, and blanking panel turnover 3 is outputed to steel pipe on the sloping skid to going out material level by the bit flipping that connects material.
Rotation and lifting mechanism provided by the invention and method of design, in " soak and quench+rotate+interior spray " processing unit that is applied to quench in the chamfer putting steel tube, the steel pipe that can satisfy processing requirement immerses fast, can guarantee steel pipe high speed rotating when immersing again, have rotation, compress and the superior technique effect and the comprehensive function of discharging.
Claims (5)
1. the steel pipe quenching method is characterized in that: when the steel pipe that heats is put on the rotation supporting-point roller, rotate supporting-point roller and rotate than jogging speed with 10～15 rev/mins; The hold-down gear that distributes along the steel pipe direction compresses steel pipe then, the rotation supporting-point roller drives steel pipe and rotates with 45～120 rev/mins of fast speeds, drive simultaneously by left lift cylinders (1) and right lift cylinders (9), drive Vierendeel girder (7) quick 150～400 mm/second speed motion downwards, in the quenchant in the steel pipe dip quench groove, at this moment in hydrojet by all the time with steel pipe mouth of pipe aligned in the spray shower nozzle in steel pipe, carry out the steel pipe inwall and quench towards liquid; The temperature that reaches setting up to the temperature of steel pipe is during less than 300 degrees centigrade, drive simultaneously by left lift cylinders (1) and right lift cylinders (9), driving Vierendeel girder (7) moves upward, Vierendeel girder (7) rises, hold-down gear is opened simultaneously, and blanking panel turnover (3) is outputed to steel pipe on the sloping skid to going out material level by the bit flipping that connects material.
2. the rotation and lifting mechanism in the steel pipe quenching device is characterized in that: the rotation and lifting mechanism in the described steel pipe quenching device comprises that at least left lift cylinders (1), left supporting beam (2), right lift cylinders (9), right supporting beam (10), Vierendeel girder (7), blanking panel turnover (3), guiding trestle (4), rotation support (5), hold-down gear (6), interior spray shower nozzle (8); Left side supporting beam (2) and right supporting beam (10) bottomland foot bolt are affixed with the basis; Lift cylinders (1) top, a left side and left supporting beam (2) are hinged, and bottom and Vierendeel girder (7) are hinged; Right lift cylinders (9) top and right supporting beam (2) are hinged, and bottom and Vierendeel girder (7) are hinged; Vierendeel girder (7) left side and left lift cylinders (1) are hinged, and the right and right lift cylinders (9) are hinged; Vierendeel girder (7) is slidingly connected with guiding trestle (4); Vierendeel girder (7) upper level fixed interval has hold-down gear (6), and hold-down gear (6) is made up of tail rod (11), single acting oil cylinder (12), bearing (13) and press-roller device (14); Along continuous straight runs be fixed with corresponding with above-mentioned hold-down gear (6) in Vierendeel girder (7) bottom rotated support (5), Vierendeel girder (7) bottom also is fixed with blanking panel turnover (3), blanking panel turnover (3) is hinged with the driving oil cylinder, rotation is supported (5) and is connected by chain with oil motor, and oil motor is fixed on Vierendeel girder (7) bottom.
3. the rotation and lifting mechanism in the steel pipe quenching device according to claim 2 is characterized in that: (5) one sides are supported in described rotation interior spray shower nozzle (8), and interior spray shower nozzle (8) is connected with telescopic tube.
4. the rotation and lifting mechanism in the steel pipe quenching device according to claim 2 is characterized in that: described blanking panel turnover (3) is fixed along the horizontal interval.
5. the rotation and lifting mechanism in the steel pipe quenching device according to claim 2, it is characterized in that: described bearing (13) is a symmetrical structure, the slide cartridge (15) that the both sides symmetry has tail rod (11) to move up and down, there is the anchor (16) of location single acting oil cylinder (12) centre, press-roller device (14) is connected with the both sides tail rod (11) on the first from left right side respectively, fixing with intermediary single acting oil cylinder (12), make press-roller device (14) and bearing (13) form mutual moveable linker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100185008A CN101109039B (en) | 2007-08-31 | 2007-08-31 | Rotation lifting mechanism in steel tube quenching device and steel tube quenching method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100185008A CN101109039B (en) | 2007-08-31 | 2007-08-31 | Rotation lifting mechanism in steel tube quenching device and steel tube quenching method |
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| Publication Number | Publication Date |
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| CN101109039A true CN101109039A (en) | 2008-01-23 |
| CN101109039B CN101109039B (en) | 2010-06-09 |
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| CN101818238A (en) * | 2010-03-30 | 2010-09-01 | 江苏武进不锈钢管厂集团有限公司 | Roller-hearth solution furnace |
| CN101851702A (en) * | 2010-06-09 | 2010-10-06 | 五力机电科技（昆山）有限公司 | Screw spike induction heating device |
| CN101942554A (en) * | 2010-07-27 | 2011-01-12 | 湖北新冶钢有限公司 | Technology for heating processing and quenching of thick-wall seamless steel tube |
| CN101423887B (en) * | 2008-12-02 | 2012-07-04 | 攀钢集团成都钢铁有限责任公司 | Method for cooling steel pipe |
| CN102776344A (en) * | 2012-07-16 | 2012-11-14 | 南京欧亚炉业有限责任公司 | Pressing device special for movable lifting automatic quenching machine |
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| CN104803294A (en) * | 2015-03-19 | 2015-07-29 | 新兴重工（天津）科技发展有限公司 | Lifting device for full-immersion type quenching of steel cylinder |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101423887B (en) * | 2008-12-02 | 2012-07-04 | 攀钢集团成都钢铁有限责任公司 | Method for cooling steel pipe |
| CN101818238A (en) * | 2010-03-30 | 2010-09-01 | 江苏武进不锈钢管厂集团有限公司 | Roller-hearth solution furnace |
| CN101851702A (en) * | 2010-06-09 | 2010-10-06 | 五力机电科技（昆山）有限公司 | Screw spike induction heating device |
| CN101942554A (en) * | 2010-07-27 | 2011-01-12 | 湖北新冶钢有限公司 | Technology for heating processing and quenching of thick-wall seamless steel tube |
| CN102776344A (en) * | 2012-07-16 | 2012-11-14 | 南京欧亚炉业有限责任公司 | Pressing device special for movable lifting automatic quenching machine |
| CN103643007B (en) * | 2013-12-20 | 2015-04-08 | 北京京诚凤凰工业炉工程技术有限公司 | Material level rotation device of quenching water tank |
| CN103643007A (en) * | 2013-12-20 | 2014-03-19 | 北京京诚凤凰工业炉工程技术有限公司 | Material level rotation device of quenching water tank |
| CN103740906A (en) * | 2014-01-24 | 2014-04-23 | 重庆希米机械设备有限公司 | Automatic quenching and tempering device |
| CN104032114A (en) * | 2014-06-30 | 2014-09-10 | 张家港华程机车精密制管有限公司 | Quenching method for special-shaped steel pipe |
| CN104803294A (en) * | 2015-03-19 | 2015-07-29 | 新兴重工（天津）科技发展有限公司 | Lifting device for full-immersion type quenching of steel cylinder |
| CN105039656A (en) * | 2015-08-26 | 2015-11-11 | 邯郸新兴特种管材有限公司 | Heat treatment quenching method of intermediate-hardenability steel thin-walled tube |
| CN109439864A (en) * | 2018-12-20 | 2019-03-08 | 中国重型机械研究院股份公司 | For steel pipe quenching quickly rotation intervention device and method |
| CN110564930A (en) * | 2019-08-22 | 2019-12-13 | 盐城市金鼎金属制品有限公司 | Conveniently take out guenching unit of steel |
| CN111020161A (en) * | 2019-12-31 | 2020-04-17 | 南京沃尔德特钢有限公司 | Quenching treatment method of seamless stainless steel tube for fluid |
| CN111424156A (en) * | 2020-04-08 | 2020-07-17 | 中国重型机械研究院股份公司 | Steel pipe quenching equipment and method |
| CN111424155A (en) * | 2020-04-08 | 2020-07-17 | 中国重型机械研究院股份公司 | Combined type steel pipe quenching equipment and method |
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| CN101109039B (en) | 2010-06-09 |
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