CN217142649U - Continuous casting slab four corners thermal state cutting device - Google Patents
Continuous casting slab four corners thermal state cutting device Download PDFInfo
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- CN217142649U CN217142649U CN202220235389.8U CN202220235389U CN217142649U CN 217142649 U CN217142649 U CN 217142649U CN 202220235389 U CN202220235389 U CN 202220235389U CN 217142649 U CN217142649 U CN 217142649U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
The utility model relates to a hot cutting device in continuous casting slab four corners belongs to metallurgical industry continuous casting slab repair equipment technical field. The technical scheme of the utility model is that: an upper guide wheel (7) is arranged on a slide rail (10) above the center of a casting blank (6), the slide rails (10) on the two sides of the upper guide wheel (7) are respectively provided with an adjusting device (4) and a combined type adjustable top cutting gun (5) which are connected in series, a side guide wheel (2) and a combined type adjustable side cutting gun (3) are suspended below the adjusting device (4), the adjusting device (4) can slide on the slide rail (10), and the upper guide wheel (7) and the side guide wheels (2) on the two sides form a gantry structure together. The utility model has the advantages that: the method can realize the functions of carrying out corner cutting treatment on the steel billet of the variety steel with the cold rolling edge crack before rolling, eliminating the root of the edge crack before rolling and replacing a chamfering knot device.
Description
Technical Field
The utility model relates to a hot cutting device in continuous casting slab four corners belongs to metallurgical industry continuous casting slab repair equipment technical field.
Background
Edge crack defects of individual steel grades (such as MR series steel grades) of hot-rolled coils after entering a cold rolling unit are always the focus subjects of quality control in the hot rolling industry, and two technical routes are basically formed after years of efforts of the industry. Firstly, select the chamfer crystallizer for use, finished product casting blank cross-section is 8 edges, and this kind of slab gets into the hot book that the hot rolling rolled out and gets into cold rolling defect problem again and can solve basically. The disadvantages are that the chamfering mould is expensive and the running cost is high.
Disclosure of Invention
The utility model aims at providing a hot cutting device in continuous casting slab four corners can realize that the steel billet of the variety steel that cold rolling produced limit portion crackle carries out the corner cut before rolling and handles, eliminates the root cause that produces limit portion crackle before rolling, replaces chamfer crystallizer's function, has solved the above-mentioned problem that exists among the background art.
The technical scheme of the utility model is that: a thermal state cutting device for four corners of a continuous casting slab comprises a chassis, side guide wheels, a combined adjustable side cutting gun, an adjusting device, a combined adjustable top cutting gun, a vertical slideway, a slide bar, a slide rail, rollers, a centering support roller suspension type driving device and a centering positioning guide wheel, wherein a plurality of rollers are arranged on the chassis to form a roller way; the two vertical slideways are respectively and vertically arranged at two sides of the chassis, the slide bar and the slide rail are parallel to each other and arranged between the two vertical slideways, and the casting blank moves on the roller way; an upper guide wheel is arranged on a slide rail above the center of a casting blank, an adjusting device and a combined type adjustable top cutting gun which are connected in series are respectively arranged on the slide rails on two sides of the upper guide wheel, a side guide wheel and a combined type adjustable side cutting gun are hung below the adjusting device, the adjusting device can slide on the slide rails, and the upper guide wheel and the side guide wheels on two sides form a gantry structure together.
The casting blank is a cuboid, the combined type adjustable top cutting gun slides left and right on the slide rail, and the combined type adjustable top cutting gun faces the upper corner of the end part of the casting blank.
The combined adjustable side cutting gun moves up and down through the adjusting device and faces to the lower corner of the end part of the casting blank.
The number of the centering and positioning guide wheels is four, and the central connecting lines of the four centering and positioning guide wheels are parallel to the longitudinal central line of the casting blank.
The combined type adjustable top cutting gun and the adjusting device are connected in series and are of a fixed structure, the combined type adjustable top cutting gun and the adjusting device slide on the slideway left and right, and meanwhile, the side guide wheels and the combined type adjustable side cutting gun can be adjusted to move up and down through the adjusting device.
The adjusting device and the centering support roller suspension type driving device related by the utility model are all structures which are known and commonly used in the field, such as: the adjusting device is of a screw rod structure, and the centering support roller suspension type driving device is of a motor speed reducer mechanism.
The utility model has the advantages that: the method can realize the chamfering treatment of the steel billet of the variety steel with the cold rolling edge crack before rolling, eliminate the root of the edge crack before rolling and replace the function of a chamfering crystallizer.
Drawings
Fig. 1 is a front view of the present invention;
fig. 2 is a top view of the present invention;
fig. 3 is a side view of the present invention;
in the figure: the cutting machine comprises a chassis 1, side guide wheels 2, a combined type adjustable side cutting gun 3, an adjusting device 4, a combined type adjustable top cutting gun 5, a casting blank 6, an upper guide wheel 7, a vertical slideway 8, a slide rod 9, a slide rail 10, a roller 11, a centering support roller suspension type driving device 12 and a centering positioning guide wheel 13.
Detailed Description
In order to make the purpose, technical solution and advantages of the embodiment of the present invention clearer, the following will combine the drawings in the embodiment to clearly and completely describe the technical solution in the embodiment of the present invention, and obviously, the embodiment described is a small part of the embodiment of the present invention, rather than the whole embodiment, based on the embodiment of the present invention, all other embodiments obtained by the ordinary skilled person in the art without creative work belong to the protection scope of the present invention.
A continuous casting slab four-corner thermal state cutting device comprises a chassis 1, side guide wheels 2, a combined adjustable side cutting gun 3, an adjusting device 4, a combined adjustable top cutting gun 5, a vertical slideway 8, a slide bar 9, a slide rail 10, rollers 11, a centering support roller suspension type driving device 12 and a centering positioning guide wheel 13, wherein the number of the rollers 11 is multiple, the rollers are arranged on the chassis 1 to form a roller way, the centering support roller suspension type driving device 12 is suspended at one end part of the roller way, and the centering positioning guide wheel 13 is welded at one side of the chassis 1 and is close to the roller way; two vertical slideways 8 are respectively and vertically arranged at two sides of the chassis 1, a slide rod 9 and a slide rail 10 are parallel to each other and arranged between the two vertical slideways 8, and the casting blank 6 moves on a roller way; an upper guide wheel 7 is arranged on a slide rail 10 above the center of a casting blank 6, the slide rails 10 on two sides of the upper guide wheel 7 are respectively provided with an adjusting device 4 and a combined type adjustable top cutting gun 5 which are connected in series, a side guide wheel 2 and a combined type adjustable side cutting gun 3 are arranged under the adjusting device 4 in a hanging mode, the adjusting device 4 can slide on the slide rail 10, and the upper guide wheel 7 and the side guide wheels 2 on two sides form a gantry structure together.
The casting blank 6 is a cuboid, the combined type adjustable top cutting gun 5 slides left and right on the slide rail 10, and the combined type adjustable top cutting gun 5 faces the upper corner of the end part of the casting blank 6.
The combined type adjustable side cutting gun 3 moves up and down through the adjusting device 4 and faces to the lower corner of the end part of the casting blank 6.
The number of the centering and positioning guide wheels 13 is four, and the central connecting line of the four centering and positioning guide wheels 13 is parallel to the longitudinal central line of the casting blank 6.
The combined type adjustable top cutting gun 5 and the adjusting device 4 are connected in series and are of a fixed structure, and slide left and right on the slideway 10 together, and meanwhile, the side guide wheels 2 and the combined type adjustable side cutting gun 3 can be adjusted to move up and down through the adjusting device 4.
In practical application, the specific work flow with reference to fig. 1, 2 and 3 is as follows:
1. casting blank centering and placing
The casting blank 6 is hung on the outer line roller 11 by a crane using a clamp, and a straight edge required for placing is abutted against A, B points in the attached drawing 1.
2. Positioning of guide wheel and adjustment of opening degree
The driving roller 11 is operated to rotate through a remote controller, the left end head of the casting blank 6 slowly moves into a gantry formed by two side guide wheels 2 and an upper guide wheel 7 and is aligned with a combined type adjustable side cutting gun 3, and the opening degree of the two side guide wheels 2 is larger than the width of the casting blank 6 by 1mm through an adjusting device 4;
one side guide wheel of the two side guide wheels is close to one side of the casting blank, a certain gap is kept between the other side guide wheel and the other side edge of the casting blank, and the end face of the cutting starting point of the steel blank is adjusted to be aligned with the center line of the cutting handle at a low speed.
3. Positioning adjustment for cutting torch
The combined type adjustable side cutting gun 3 and the combined type adjustable top cutting gun 5 are adjusted through the adjusting device 4, and the cutting angle and the cutting size are guaranteed.
4. Starting the cutting process
The combined type adjustable side cutting gun 3 is ignited for preheating, the cutting oxygen valve is manually opened after 3 minutes, the cutting roller way key is started to enter a cutting state, when the casting blank 6 travels to the combined type adjustable top cutting gun 5, the gun head and the cross section of the head of the casting blank are in the same straight line, cutting is stopped, after the combined type adjustable top cutting gun 5 is preheated for 3 minutes, the combined type adjustable side cutting gun 3 and the combined type adjustable top cutting gun 5 are sequentially opened, the cutting key is simultaneously started, and the casting blank moves forward at a set speed at a uniform speed.
The arrangement of the side guide wheels 2 ensures that the vertical center line of the cutting device and the longitudinal center line of the casting blank are always kept in an intersecting state;
the upper guide wheel 7 and the side guide wheel 2 are combined for use, so that the combined type adjustable side cutting gun 3 and the combined type adjustable top cutting gun 5 can perform cutting operation along with the flatness of the casting blank 6 in the cutting process, namely, the combined type cutting device can perform adjustment operation along with the bending degree of the casting blank all the time in the cutting process in a microscopic mode, and the geometric dimension tolerance size of four corners of the cut casting blank is effectively guaranteed to be +/-2 mm.
Claims (4)
1. The utility model provides a hot cutting device in continuous casting slab four corners which characterized in that: the cutting machine comprises a chassis (1), side guide wheels (2), a combined type adjustable side cutting gun (3), an adjusting device (4), a combined type adjustable top cutting gun (5), a vertical slideway (8), a sliding rod (9), a sliding rail (10), rollers (11), a centering support roller suspension type driving device (12) and a centering positioning guide wheel (13), wherein the rollers (11) are arranged on the chassis (1) to form a roller way, the centering support roller suspension type driving device (12) is suspended at one end part of the roller way, and the centering positioning guide wheel (13) is welded at one side of the chassis (1) and is close to the roller way; two vertical slideways (8) are respectively and vertically arranged on two sides of the chassis (1), a sliding rod (9) and a sliding rail (10) are parallel to each other and arranged between the two vertical slideways (8), and a casting blank (6) moves on a roller way; an upper guide wheel (7) is arranged on a slide rail (10) above the center of a casting blank (6), the slide rails (10) on the two sides of the upper guide wheel (7) are respectively provided with an adjusting device (4) and a combined type adjustable top cutting gun (5) which are connected in series, a side guide wheel (2) and a combined type adjustable side cutting gun (3) are suspended below the adjusting device (4), the adjusting device (4) can slide on the slide rail (10), and the upper guide wheel (7) and the side guide wheels (2) on the two sides form a gantry structure together.
2. The apparatus for thermal cutting of four corners of a continuous casting slab as set forth in claim 1, wherein: the casting blank (6) is a cuboid, the combined type adjustable top cutting gun (5) slides left and right on the slide rail (10), and the combined type adjustable top cutting gun (5) faces the upper corner of the end part of the casting blank (6).
3. The apparatus for thermal cutting of four corners of a continuous casting slab as set forth in claim 1, wherein: the combined type adjustable side cutting gun (3) moves up and down through the adjusting device (4) and faces to the lower corner of the end part of the casting blank (6).
4. The apparatus for thermally cutting four corners of a continuous casting slab according to claim 1 or 2, wherein: the number of the centering and positioning guide wheels (13) is four, and the central connecting line of the four centering and positioning guide wheels (13) is parallel to the longitudinal central line of the casting blank (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220235389.8U CN217142649U (en) | 2022-01-28 | 2022-01-28 | Continuous casting slab four corners thermal state cutting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220235389.8U CN217142649U (en) | 2022-01-28 | 2022-01-28 | Continuous casting slab four corners thermal state cutting device |
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| Publication Number | Publication Date |
|---|---|
| CN217142649U true CN217142649U (en) | 2022-08-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220235389.8U Active CN217142649U (en) | 2022-01-28 | 2022-01-28 | Continuous casting slab four corners thermal state cutting device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114473130A (en) * | 2022-01-28 | 2022-05-13 | 唐山不锈钢有限责任公司 | One-key type continuous casting slab four-corner thermal state cutting device and method |
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2022
- 2022-01-28 CN CN202220235389.8U patent/CN217142649U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114473130A (en) * | 2022-01-28 | 2022-05-13 | 唐山不锈钢有限责任公司 | One-key type continuous casting slab four-corner thermal state cutting device and method |
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