CN103028612A - Calibrating device for rolling hole central line of continuous rolling unit - Google Patents
Calibrating device for rolling hole central line of continuous rolling unit Download PDFInfo
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- CN103028612A CN103028612A CN2012105820506A CN201210582050A CN103028612A CN 103028612 A CN103028612 A CN 103028612A CN 2012105820506 A CN2012105820506 A CN 2012105820506A CN 201210582050 A CN201210582050 A CN 201210582050A CN 103028612 A CN103028612 A CN 103028612A
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Abstract
The invention discloses a calibrating device for the rolling hole central line of a continuous rolling unit, which is used for solving the problems of long calibrating time and difficulty in process operation existing in the conventional calibrating method. The calibrating device comprises a programmable industrial controller, a target ring (1), rollers (2) and a shooting device (3), wherein the target ring (1) is arranged on a frame, and is positioned at the rolling hole inlet of the continuous rolling unit; the shooting device (3) is arranged on the outer side of the outlet of the continuous rolling unit; the target surface of the target ring (1) is arranged opposite to the rolling hole inlet of the continuous rolling unit; the camera device (3) consists of a digital camera (7) and an adjusting seat body capable moving upwards, downwards, leftwards and rightwards along a rolling line; the digital camera (7) is fixedly arranged on the upper surface of a movable seat (10); the lower surface of the movable seat (10) is fixedly connected with upper and lower screws; the upper and lower lead screws (11) are mechanically connected with a first stepping motor (12); and the first stepping motor (12) is used for driving the movable seat (10) to move upwards and downwards along a direction which is vertical to the rolling central line through the upper and lower lead screws (11). Due to the adoption of the calibrating device, online calibration of the rolling hole central line of the continuous rolling unit is realized.
Description
Technical field
The present invention relates to a kind of caliberating device of metallurgy industry seamless steel pipe production, particularly a kind of device that the center line of the tandem rolling unit in the seamless steel pipe equipment is demarcated.
Background technology
At present, in metallurgy industry seamless steel pipe equipment for continuously rolling, the tandem rolling unit is one of capital equipment of seamless steel tube production.Whether Multi-stand continuous rolling mill group equipment center line overlaps point-blank, will external diameter and the thick precision of arm of production tube be exerted an influence.Before the work of tandem rolling unit, to demarcate unit, the general scaling method that adopts is: demarcate with theodolite, magnetic scale and mark zero frame, process is that each frame that the zero frame of mark is put into the Multi-stand continuous rolling mill group is come the analog operation state, theodolite is placed on the outlet side of Multi-stand continuous rolling mill group, a magnetic scale is placed on the entrance side of Multi-stand continuous rolling mill group, and another magnetic scale is placed in mark zero frame.Take the entrance side magnetic scale as benchmark, read to mark the reading of magnetic scale in zero frame with theodolite, with this reading and benchmark magnetic scale relatively, deviate with regard to getting, according to the screw-down of this deviation by roll to rolling hole adjustment.This method need to be made the high mark of complex structure, precision zero frame, exists and demarcates length consuming time, the defective of technological operation difficulty.In addition, demarcate because this demarcation is the immediately position of the screw-down of breaker roll, can't overcome the caused error of the centerline deviation that in the Roller Machining process, produces.
Summary of the invention
The invention provides the calibrate device that a kind of tandem rolling unit rolls centerline hole, solved the demarcation length consuming time that existing scaling method technology exists, the difficult problem with overcoming the caused error of centerline deviation that in the Roller Machining process, produces of technological operation.
The present invention is by the above problem of following solution:
A kind of tandem rolling unit rolls the calibrate device of centerline hole, comprise Programmable industrial, be arranged on and be positioned at the camera arrangement (3) that the tandem mill group is rolled the scoring ring of porch, hole (1), roll (2) and is arranged on tandem rolling machine set outlet outside on the frame, it is characterized in that, be provided with the transparent scale (5) with the annulus scale on the described scoring ring (1), the target surface of scoring ring (1) and tandem rolling unit roll the hole entrance and are oppositely arranged; Described camera arrangement (3) is by digital camera (7) and can form along the adjusting pedestal that roll line moves up and down, digital camera (7) is fixedly installed on the upper surface of Mobile base (10), the lower surface of Mobile base (10) is fixed together with screw up and down, screw is arranged on up and down on the leading screw (11) up and down, leading screw (11) is mechanically coupled together with the first stepper motor (12) up and down, the first stepper motor (12) drives Mobile base (10) by leading screw (11) up and down and moves up and down along the direction vertical with rolling centerline, leading screw (11) and the first stepper motor (12) are arranged on above the slide plate of the left and right sides up and down, following and the left and right sides screw of left and right sides slide plate is fixed together, left and right sides screw is arranged on the left and right sides leading screw (9), left and right sides leading screw (9) is mechanically coupled together with the second stepper motor (8), the second stepper motor (8) is by the direction move left and right of slide plate edge, left and right sides leading screw (9) the drive left and right sides with the rolling center line parallel, left and right sides leading screw (9) and the second stepper motor (8) are fixedly installed on the cup dolly (6), and cup dolly (6) is arranged on the outer rolling centerline of tandem rolling unit entrance;
Described the first stepper motor (12) and the second stepper motor (8) are electrically connected with described Programmable industrial respectively, and described digital camera (7) is electrically connected with described Programmable industrial; Be respectively arranged with the upper and lower displacement sensor that detects digital camera (7) upper and lower displacement and the left and right displacement sensor that detects digital camera (7) left and right displacement at Mobile base (10), upper and lower displacement sensor and left and right displacement sensor are electrically connected with Programmable industrial respectively.
In Programmable industrial, be provided with image processor, be provided with image processing program in the image processor, the image that this program logarithmic code camera (7) is passed back carries out the three-dimensional restoration disposal of design of section of rolling mill, and the recovery pass that will obtain and predefined model pass compare to such an extent that deviate, and according to this deviation the zero-bit of the screw-down of each roll carried out calibrate.
The scaling method that the present invention utilizes image to process has been realized the on-line proving that the tandem rolling unit rolls centerline hole, has solved the problem of the caused error of centerline deviation that produces in the Roller Machining process.
Description of drawings
Fig. 1 is structural representation of the present invention
Fig. 2 is the structural representation of scoring ring
Fig. 3 is the structural representation of camera arrangement
The specific embodiment
A kind of tandem rolling unit rolls the calibrate device of centerline hole, comprise Programmable industrial, be arranged on and be positioned at the camera arrangement (3) that the tandem mill group is rolled the scoring ring of porch, hole (1), roll (2) and is arranged on tandem rolling machine set outlet outside on the frame, it is characterized in that, be provided with the transparent scale (5) with the annulus scale on the described scoring ring (1), the target surface of scoring ring (1) and tandem rolling unit roll the hole entrance and are oppositely arranged; Described camera arrangement (3) is by digital camera (7) and can form along the adjusting pedestal that roll line moves up and down, digital camera (7) is fixedly installed on the upper surface of Mobile base (10), the lower surface of Mobile base (10) is fixed together with screw up and down, screw is arranged on up and down on the leading screw (11) up and down, leading screw (11) is mechanically coupled together with the first stepper motor (12) up and down, the first stepper motor (12) drives Mobile base (10) by leading screw (11) up and down and moves up and down along the direction vertical with rolling centerline, leading screw (11) and the first stepper motor (12) are arranged on above the slide plate of the left and right sides up and down, following and the left and right sides screw of left and right sides slide plate is fixed together, left and right sides screw is arranged on the left and right sides leading screw (9), left and right sides leading screw (9) is mechanically coupled together with the second stepper motor (8), the second stepper motor (8) is by the direction move left and right of slide plate edge, left and right sides leading screw (9) the drive left and right sides with the rolling center line parallel, left and right sides leading screw (9) and the second stepper motor (8) are fixedly installed on the cup dolly (6), and cup dolly (6) is arranged on the outer rolling centerline of tandem rolling unit entrance;
Described the first stepper motor (12) and the second stepper motor (8) are electrically connected with described Programmable industrial respectively, and described digital camera (7) is electrically connected with described Programmable industrial; Be respectively arranged with the upper and lower displacement sensor that detects digital camera (7) upper and lower displacement and the left and right displacement sensor that detects digital camera (7) left and right displacement at Mobile base (10), upper and lower displacement sensor and left and right displacement sensor are electrically connected with Programmable industrial respectively.
In Programmable industrial, be provided with image processor, be provided with image processing program in the image processor, the image that this program logarithmic code camera (7) is passed back carries out the three-dimensional restoration disposal of design of section of rolling mill, and the recovery pass that will obtain and predefined model pass compare to such an extent that deviate, and according to this deviation the zero-bit of the screw-down of each roll carried out calibrate.
Scoring ring (1) is fixedly installed on the inlet of rolling mill place frame, and camera arrangement (3) is fixedly installed on the frame of milling train outlet.Timing signal is moved zero position by the screw-down of the roll demarcated, and camera arrangement (3) can be set in advance in random site, begins to take pictures.By regulating up and down leading screw (11) and left and right sides leading screw (9), with digital camera (7) taken pictures in the hole of rolling of each rolling mill in the tandem rolling unit, the photo that camera arrangement is taken is input in the image processor in the Programmable industrial, program in the image processor, according to the roll location information of image reflection and the scale information of corresponding scoring ring, utilize the method for three-dimensional reconstruction to set up threedimensional model, image processor can calculate the distance at each roller rotational center according to threedimensional model, and draft the center line that closes out pass according to every roll pass center, calculate the deviate of every roll, the screw-down zero-bit of breaker roll is regulated, the center line of whole milling train be can obtain, the pass center line of every roll and the central lines of milling train made.
Claims (2)
1. a tandem rolling unit rolls the calibrate device of centerline hole, comprise Programmable industrial, be arranged on and be positioned at the camera arrangement (3) that the tandem mill group is rolled the scoring ring of porch, hole (1), roll (2) and is arranged on tandem rolling machine set outlet outside on the frame, it is characterized in that, be provided with the transparent scale (5) with the annulus scale on the described scoring ring (1), the target surface of scoring ring (1) and tandem rolling unit roll the hole entrance and are oppositely arranged; Described camera arrangement (3) is by digital camera (7) and can form along the adjusting pedestal that roll line moves up and down, digital camera (7) is fixedly installed on the upper surface of Mobile base (10), the lower surface of Mobile base (10) is fixed together with screw up and down, screw is arranged on up and down on the leading screw (11) up and down, leading screw (11) is mechanically coupled together with the first stepper motor (12) up and down, the first stepper motor (12) drives Mobile base (10) by leading screw (11) up and down and moves up and down along the direction vertical with rolling centerline, leading screw (11) and the first stepper motor (12) are arranged on above the slide plate of the left and right sides up and down, following and the left and right sides screw of left and right sides slide plate is fixed together, left and right sides screw is arranged on the left and right sides leading screw (9), left and right sides leading screw (9) is mechanically coupled together with the second stepper motor (8), the second stepper motor (8) is by the direction move left and right of slide plate edge, left and right sides leading screw (9) the drive left and right sides with the rolling center line parallel, left and right sides leading screw (9) and the second stepper motor (8) are fixedly installed on the cup dolly (6), and cup dolly (6) is arranged on the outer rolling centerline of tandem rolling unit entrance; Described the first stepper motor (12) and the second stepper motor (8) are electrically connected with described Programmable industrial respectively, and described digital camera (7) is electrically connected with described Programmable industrial; Be respectively arranged with the upper and lower displacement sensor that detects digital camera (7) upper and lower displacement and the left and right displacement sensor that detects digital camera (7) left and right displacement at Mobile base (10), upper and lower displacement sensor and left and right displacement sensor are electrically connected with Programmable industrial respectively.
2. tandem rolling unit according to claim 1 rolls the calibrate device of centerline hole, it is characterized in that, in Programmable industrial, be provided with image processor, be provided with image processing program in the image processor, the image that this program logarithmic code camera (7) is passed back carries out the three-dimensional restoration disposal of design of section of rolling mill, and the recovery pass that will obtain and predefined model pass compare to such an extent that deviate, and according to this deviation the zero-bit of the screw-down of each roll carried out calibrate.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012105820506A CN103028612A (en) | 2012-12-28 | 2012-12-28 | Calibrating device for rolling hole central line of continuous rolling unit |
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| CN2012105820506A CN103028612A (en) | 2012-12-28 | 2012-12-28 | Calibrating device for rolling hole central line of continuous rolling unit |
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| CN2012105820506A Pending CN103028612A (en) | 2012-12-28 | 2012-12-28 | Calibrating device for rolling hole central line of continuous rolling unit |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103340645A (en) * | 2013-07-04 | 2013-10-09 | 沈阳东软医疗系统有限公司 | Method and device for mechanical calibration of multi-system medical device |
| CN107252826A (en) * | 2017-06-22 | 2017-10-17 | 太原重工股份有限公司 | Tandem rolling tube machine pass calibrating installation |
| CN107626752A (en) * | 2016-07-18 | 2018-01-26 | 鞍钢股份有限公司 | A kind of bearing calibration of roll pass station |
| CN111349875A (en) * | 2020-03-20 | 2020-06-30 | 本钢板材股份有限公司 | Adjusting method for hot galvanizing cleaning section equipment |
| CN112058920A (en) * | 2020-08-20 | 2020-12-11 | 四川易尚天交实业有限公司 | Hole type calibration method and calibration system for rolling mill and guide |
| CN113263155A (en) * | 2021-06-07 | 2021-08-17 | 燕山大学 | Alignment method suitable for roll casting |
| CN114669609A (en) * | 2022-04-19 | 2022-06-28 | 靖江特殊钢有限公司 | Quick detection device of PQF steel pipe continuous rolling mill frame center precision |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103340645A (en) * | 2013-07-04 | 2013-10-09 | 沈阳东软医疗系统有限公司 | Method and device for mechanical calibration of multi-system medical device |
| CN107626752A (en) * | 2016-07-18 | 2018-01-26 | 鞍钢股份有限公司 | A kind of bearing calibration of roll pass station |
| CN107252826A (en) * | 2017-06-22 | 2017-10-17 | 太原重工股份有限公司 | Tandem rolling tube machine pass calibrating installation |
| CN107252826B (en) * | 2017-06-22 | 2018-11-23 | 太原重工股份有限公司 | Tandem rolling tube machine pass calibrating installation |
| CN111349875A (en) * | 2020-03-20 | 2020-06-30 | 本钢板材股份有限公司 | Adjusting method for hot galvanizing cleaning section equipment |
| CN112058920A (en) * | 2020-08-20 | 2020-12-11 | 四川易尚天交实业有限公司 | Hole type calibration method and calibration system for rolling mill and guide |
| CN113263155A (en) * | 2021-06-07 | 2021-08-17 | 燕山大学 | Alignment method suitable for roll casting |
| CN114669609A (en) * | 2022-04-19 | 2022-06-28 | 靖江特殊钢有限公司 | Quick detection device of PQF steel pipe continuous rolling mill frame center precision |
| CN114669609B (en) * | 2022-04-19 | 2022-11-11 | 靖江特殊钢有限公司 | Quick detection device of PQF steel pipe continuous rolling mill frame center precision |
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Application publication date: 20130410 |