CN104399759A - Guide and guard device and guide and guard method for hot rolling of H-shaped steel rolled piece - Google Patents
Guide and guard device and guide and guard method for hot rolling of H-shaped steel rolled piece Download PDFInfo
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- CN104399759A CN104399759A CN201410558824.0A CN201410558824A CN104399759A CN 104399759 A CN104399759 A CN 104399759A CN 201410558824 A CN201410558824 A CN 201410558824A CN 104399759 A CN104399759 A CN 104399759A
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Abstract
The invention provides a guide and guard device and a guide and guard method for the hot rolling of an H-shaped steel rolled piece, and belongs to the technical field of hot-rolled section steel. The guide and guard device mainly comprises a first vertical plate, a second vertical plate, a first inclined plate and a second inclined plate, wherein the first vertical plate is used for providing left positioning; the second vertical plate is symmetric with the first vertical plate, and is used for providing right positioning; the first inclined plate is fixedly arranged on the inner lateral surface of the first vertical plate, and is used for providing left balance force for the left upper outer inclined surface of a left wing plate of the H-shaped steel rolled piece; the structure of the second inclined plate is the same as that of the first inclined plate, and the second inclined plate is fixedly arranged on the inner lateral surface of the second vertical plate, and is used for providing right balance force for the right lower outer inclined surface of a right wing plate of the H-shaped steel rolled piece. By the guide and guard method employing the guide and guard device, the problem of torsion of the H-shaped steel rolled piece can be solved. The guide and guard device is high in stability.
Description
Technical field
The invention belongs to hot-rolled steel section equipment technology field, specifically, the present invention be more particularly directed to a kind of guide and guards for hot rolled H-shaped rolled piece and guide and guard method.
Background technology
Conventional H profile steel rolled piece comprises left wing plate 5, right wing plate 7 and web 6 both being connected, left wing plate 5 and right wing plate 7 are the V-type shape of outward opening, namely the lateral surface of left wing plate 5 is divided into outside upper left that outside inclined-plane 51 and lower-left inclined-plane 52, the lateral surface of right wing plate 7 is divided into inclined-plane 72 outside the outer inclined-plane 71 of upper right and bottom right, as shown in Figure 1.In hot rolled H-shaped rolled piece field, most medium-sized and small enterprises use crimp oblique mutual aid system devised for poor peasants skill rolled h-section steel beam rolled piece.The maximum feature of this technique rolling, adopts little blank rolling compared with the H profile steel rolled piece of large gauge, and blank diagonal angle in roll pass extends identical.The H profile steel rolled piece of what this just made go out roll produces a turning pair, H profile steel rolled piece goes out roll (pass) retrotorsion (self) especially severe, now main solution applies a balance couple (counter-force idol) by guide and guard (leg cutter) at the H profile steel rolled piece leg point drift angle of inclined-plane 72 (namely outside the outer drift angle on inclined-plane 51 in the upper left of left wing plate 5 and the bottom right of right wing plate 7), and the H profile steel rolled piece that guarantee rolls out is without torsion.But leg cutter width less (by the restriction of pass leg point), rolled piece slightly swings, and H profile steel rolled piece leg point will depart from guide and guard (leg cutter), and cause balance couple to disappear, H profile steel rolled piece reverses, and causing cannot normally rolling.
By upper analysis, there is following characteristics and defect in the hot rolled H-shaped rolled piece field guide and guards of known prior art:
1, the hot rolled H-shaped rolled piece field guide and guards poor stability of prior art.
2, the hot rolled H-shaped rolled piece field guide and guards of prior art easily causes H profile steel rolled piece to occur situation about reversing.
3, the hot rolled H-shaped rolled piece field guide and guards of prior art easily causes centre to roll useless appearance.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, a kind of guide and guards for hot rolled H-shaped rolled piece and guide and guard method are provided, at least to solve the technical problem of the hot rolled H-shaped rolled piece field guide and guards poor stability of prior art, H profile steel rolled piece is easily caused to occur the technical problem reversed to solve further in prior art.
In order to solve the problem, the invention provides a kind of guide and guards for hot rolled H-shaped rolled piece and guide and guard method, its technical scheme is as follows:
For a guide and guards for hot rolled H-shaped rolled piece, it comprises: first stop plate, locates for providing left part; Second station plate, being symmetrical arranged each other with described first stop plate, locating for providing right part; First swash plate, is fixedly mounted on the medial surface of described first stop plate, provides left part equilibrant force for inclined-plane outside the upper left of the left wing plate for H profile steel rolled piece; With the second swash plate, identical with the structure of described first swash plate, be fixedly mounted on the medial surface of described second station plate, provide right part equilibrant force for inclined-plane outside the bottom right of the right wing plate for H profile steel rolled piece.
Guide and guards described above, be preferably: the bevel phase that described first swash plate comprises rectangular section and extended to form by rectangular section, outside the upper left of the inclined-plane of described bevel phase and the left wing plate of H profile steel rolled piece, conflict in inclined-plane; The bevel phase that described second swash plate comprises rectangular section and extended to form by rectangular section, outside the bottom right of the inclined-plane of described bevel phase and the right wing plate of H profile steel rolled piece, conflict in inclined-plane.
Guide and guards described above, is preferably: the length of the rectangular section of described first swash plate is greater than the length of the bevel phase of described first swash plate; The length of the rectangular section of described second swash plate is greater than the length of the bevel phase of described second swash plate.
Guide and guards described above, is preferably: outside the lower-left that the thickness of the rectangular section of described first swash plate is less than described first stop plate and described left wing plate inclined-plane Basolateral between distance; Distance between outside the top that the thickness of the rectangular section of described second swash plate is less than the outer inclined-plane of upper right of described second station plate and described right wing plate.
Guide and guards described above, is preferably: the bevel phase of described first swash plate is positioned at the first half, and the rectangular section of described first swash plate is positioned at Lower Half; The bevel phase of described second swash plate is positioned at Lower Half, and the rectangular section of described second swash plate is positioned at the first half.
Guide and guards described above, is preferably: described first stop plate and described second station plate are placed in the both sides of outside, roll exit place respectively; Outside the lower-left of the bottom of the rectangular section of described first swash plate and the left wing plate of H profile steel rolled piece, the bottom on inclined-plane is positioned at same level, and the top edge of the bevel phase of described first swash plate aligns with the outside top margin on inclined-plane outside the upper left of the left wing plate of H profile steel rolled piece; The top on the outer inclined-plane of upper right of the top of the rectangular section of described second swash plate and the right wing plate of H profile steel rolled piece is positioned at same level, and the lower limb of the bevel phase of described second swash plate aligns with the base, outside on inclined-plane outside the bottom right of the right wing plate of H profile steel rolled piece.
Guide and guards described above, is preferably: the tall and big 5 ~ 10mm of gap ratio H profile steel rolled piece waist between described first swash plate and described second swash plate.
For a guide and guard method for the guide and guards of hot rolled H-shaped rolled piece, it comprises the following steps;
Step one, moves to roll exit place by described first stop plate and described second station plate;
Step 2, the bottom on inclined-plane outside the lower-left of the bottom of the rectangular section of described first swash plate and the left wing plate of H profile steel rolled piece is arranged at same level, and the top edge of the bevel phase of described first swash plate aligns with the outside top margin on inclined-plane outside the upper left of the left wing plate of H profile steel rolled piece; The top on the outer inclined-plane of upper right of the top of the rectangular section of described second swash plate and the right wing plate of H profile steel rolled piece is arranged at same level, and the lower limb of the bevel phase of described second swash plate aligns with the base, outside on inclined-plane outside the bottom right of the right wing plate of H profile steel rolled piece;
Step 3, it is high that the spacing adjusted between described first swash plate and described second swash plate is greater than H profile steel rolled piece waist;
Step 4, after H profile steel rolled piece goes out pass, makes the inclined-plane of the bevel phase of inclined-plane and described first swash plate outside the upper left of the left wing plate of H profile steel rolled piece conflict; Outside the bottom right of the right wing plate of H profile steel rolled piece, conflict in the inclined-plane of the bevel phase of inclined-plane and described second swash plate; Described first swash plate and described second swash plate apply a balance couple to H profile steel rolled piece.
The guide and guard method of guide and guards described above, is preferably: in step 3, the tall and big 5 ~ 10mm of gap ratio H profile steel rolled piece waist between the first swash plate and the second swash plate.
Analyze known, compared with prior art, advantage of the present invention and beneficial effect are:
One, invention increases the first swash plate and the second swash plate, outside the upper left being the left wing plate of H profile steel rolled piece by the first swash plate, inclined-plane provides an equilibrant force, outside the bottom right being the right wing plate of H profile steel rolled piece by the second swash plate, inclined-plane provides an equilibrant force, ensure that the H profile steel rolled piece rolled out there will not be torsion situation.
Two, the first swash plate and the second swash plate are welded on the inner side of first stop plate and second station plate by the present invention, improve the job stability of overall guide and guards, and avoid guide and guards and will roll useless situation in the middle of H profile steel rolled piece.
Three, the parts that comprise of guide and guards of the present invention are less, all parts in processing, to make and very convenient in maintenance.
Four, guide and guards structure of the present invention is simple, result of use is good.
Accompanying drawing explanation
Fig. 1 is the structural representation of H profile steel.
Fig. 2 is the assembling schematic diagram of the preferred embodiment of the present invention.
Fig. 3 is the front view of first swash plate (the second swash plate) of the preferred embodiment of the present invention.
Fig. 4 is the top view of first swash plate (the second swash plate) of the preferred embodiment of the present invention.
In figure, 1-first stop plate; 2-second station plate; 3-first swash plate; 31-rectangular section; 32-bevel phase; 4-second swash plate; 41-rectangular section; 42-bevel phase; 5-left wing plate; Inclined-plane outside 51-upper left; Inclined-plane outside 52-lower-left; 6-web; 7-right wing plate; The outer inclined-plane of 71-upper right; Inclined-plane outside 72-bottom right; Leg cutter under 8-; The upper leg cutter of 9-; The upper broadsword of 10-; Broadsword under 11-.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in further details.
As shown in Figure 1 and Figure 2, the guide and guards for hot rolled H-shaped rolled piece of the preferred embodiment of the present invention mainly comprises first stop plate 1, locates for providing left part; Second station plate 2, is symmetrical arranged each other with first stop plate 1, locates for providing right part; First swash plate 3, is fixedly mounted on the medial surface of first stop plate 1, provides left part equilibrant force for inclined-plane 51 outside the upper left of the left wing plate 5 for H profile steel rolled piece; Second swash plate 4, identical with the structure of the first swash plate 3, be fixedly mounted on the medial surface of second station plate 1, provide right part equilibrant force for inclined-plane 72 outside the bottom right of the right wing plate 7 for H profile steel rolled piece.It should be noted that: above-mentioned hard-wired mode can be welding, can also for being threaded, and the present embodiment does not limit this.
Specifically, in the operation of rolling, pushed down left wing plate 5 and the right wing plate 7 (i.e. the edge of a wing (leg) of H profile steel rolled piece) of H profile steel rolled piece by upper leg cutter 8 and lower leg cutter 9, a couple is applied to H profile steel rolled piece, produce couple in the balance operation of rolling, prevent H profile steel rolled piece from reversing; Upper broadsword 10 and lower broadsword 11 between left wing plate 5 and right wing plate 7 (namely between two edges of a wing), mainly guide effect, left wing plate 5 and right wing plate 7 (i.e. two edges of a wing) jam, in broadsword both sides, ensure that H profile steel rolled piece moves along broadsword direction.Guide and guards provided by the invention is arranged on roll exit place, outside the upper left of the left wing plate 5 that the present invention is H profile steel rolled piece by the first swash plate 3, inclined-plane 51 provides an equilibrant force, outside the bottom right of the right wing plate 7 being H profile steel rolled piece by the second swash plate 4, inclined-plane 72 provides an equilibrant force, ensures that the H profile steel rolled piece rolled out there will not be torsion situation.
In order to improve the constant intensity of the first swash plate 3 and the second swash plate 4, take again the situation that takes up room of the first swash plate 3 and the second swash plate 4 into consideration simultaneously, as shown in Figure 3, Figure 4, for the first swash plate 3, the bevel phase 32 that first swash plate 3 comprises rectangular section 31 and extended to form by rectangular section 32, outside the upper left of the inclined-plane of bevel phase 32 and the left wing plate 5 of H profile steel rolled piece, conflict in inclined-plane 51.Equally, the bevel phase 42 (namely section is triangle, forms a larger chamfering) that the second swash plate 4 comprises rectangular section 41 and extended to form by rectangular section 41, outside the bottom right of the inclined-plane of bevel phase 42 and the right wing plate 7 of H profile steel rolled piece, conflict in inclined-plane 72.Can certainly be interpreted as, a corner block that rectangular section 31 is pruned forms bevel phase 32.More preferably, the length of the rectangular section 31 of the first swash plate 3 is greater than the length of the bevel phase 32 of the first swash plate 3; The length of the rectangular section 41 of the second swash plate 4 is greater than the length of the bevel phase 42 of the second swash plate 4.
For the ease of the placement of H profile steel rolled piece, as shown in Figure 2, the thickness d of the rectangular section 31 of the first swash plate 3 be less than first stop plate 1 and left wing plate 5 lower-left outside inclined-plane 52 Basolateral between distance D; Distance D between outside the top that the thickness d of the rectangular section 41 of the second swash plate 4 is less than the outer inclined-plane 71 of upper right of second station plate 2 and right wing plate 7.
Identical equilibrant force is provided in order to ensure the first swash plate 3 and the second swash plate 4, and (i.e. outside the upper left of left wing plate 5, inclined-plane 51 is identical with the structure on inclined-plane 72 outside the bottom right of right wing plate 7 to take the architectural feature of H profile steel rolled piece into consideration, outside the lower-left of left wing plate 5, inclined-plane 52 is identical with the structure on the outer inclined-plane 71 of the upper right of right wing plate 7), the bevel phase 32 of the first swash plate 3 is positioned at the first half of the first swash plate 3, and the rectangular section 31 of the first swash plate 3 is positioned at the Lower Half of the first swash plate 3; The bevel phase 42 of the second swash plate 4 is positioned at the Lower Half of the second swash plate 4, and the rectangular section 41 of the second swash plate 4 is positioned at the first half of the second swash plate 4.
Any torsion situation is there will not be after going out milling train in order to ensure H profile steel rolled piece, first stop plate 1 and second station plate 2 are placed in the both sides of outside, roll exit place respectively, outside the lower-left of the bottom of the rectangular section 31 of the first swash plate 3 and the left wing plate 5 of H profile steel rolled piece, the bottom on inclined-plane 52 is positioned at same level, and the top edge of the bevel phase 32 of the first swash plate 3 aligns with the outside top margin on inclined-plane 51 outside the upper left of the left wing plate 5 of H profile steel rolled piece; The top on the outer inclined-plane 71 of upper right of the top of the rectangular section 41 of the second swash plate 4 and the right wing plate 7 of H profile steel rolled piece is positioned at same level, and the lower limb of the bevel phase 42 of the second swash plate 4 aligns with the base, outside on inclined-plane 72 outside the bottom right of the right wing plate 7 of H profile steel rolled piece.
Conveniently H profile steel rolled piece can enter to guide and guards smoothly, goes out without reversing after milling train, the large 5 ~ 10mm of gap ratio H profile steel rolled piece waist height h between the first swash plate 3 and the second swash plate 4 so that realize H profile steel rolled piece.
For a guide and guard method for the guide and guards of hot rolled H-shaped rolled piece, comprise the following steps;
Step one, moves to roll exit place by first stop plate 1 and second station plate 2;
Step 2, the bottom on inclined-plane 52 outside the lower-left of the bottom of the rectangular section 31 of the first swash plate 3 and the left wing plate 5 of H profile steel rolled piece is arranged at same level, and the top edge of the bevel phase 32 of the first swash plate 3 aligns with the outside top margin on inclined-plane 51 outside the upper left of the left wing plate 5 of H profile steel rolled piece; The top on the outer inclined-plane 71 of upper right of the top of the rectangular section 41 of the second swash plate 4 and the right wing plate 7 of H profile steel rolled piece is arranged at same level, and the lower limb of the bevel phase 42 of the second swash plate 4 aligns with the base, outside on inclined-plane 72 outside the bottom right of the right wing plate 7 of H profile steel rolled piece;
Step 3, it is high that the spacing adjusted between the first swash plate 3 and the second swash plate 4 is greater than H profile steel rolled piece waist;
Step 4, after H profile steel rolled piece goes out pass, makes inclined-plane 51 outside the upper left of the left wing plate 5 of H profile steel rolled piece conflict with the inclined-plane of the bevel phase 32 of the first swash plate 3 and contacts; Outside the bottom right of the right wing plate 7 of H profile steel rolled piece, conflict with the inclined-plane of the bevel phase 42 of the second swash plate 4 and contact in inclined-plane 72; First swash plate 3 and the second swash plate 4 pairs of H profile steel rolled pieces apply a balance couple.
In sum, at the height aligned with pass, the first swash plate 3 and the second swash plate 4 is set, contact with the second swash plate 4 with the first swash plate 3 after making H profile steel rolled piece go out pass, the first swash plate 3 and the second swash plate 4 pairs of H profile steel rolled pieces apply balance couples, thus realize H profile steel rolled piece go out milling train after without reversing.
Conveniently H profile steel rolled piece can enter to guide and guards smoothly, goes out without reversing after milling train so that realize H profile steel rolled piece, in step 3, and the large 5 ~ 10mm of gap ratio H profile steel rolled piece waist height h between the first swash plate 3 and the second swash plate 4.
Embodiment 1:
For a guide and guards for hot rolled H-shaped rolled piece, as shown in Figures 1 to 4, the length of the first swash plate 3, second swash plate 4 is 600mm, and width is 500mm, and thickness is 30mm, the spacing 210 millimeters of the first swash plate 3 and the second swash plate 4.
A kind of guide and guard method of the guide and guards for hot rolled H-shaped rolled piece is:
Inside roll exit place first stop plate 1, second station plate 2, weld the first swash plate 3, second swash plate 4 with the height that pass aligns; And the spacing adjusted between the first swash plate 3 and the second swash plate 4 is greater than H profile steel rolled piece waist height h5 ~ 10 millimeter.Contact with the first swash plate 3, second swash plate 4 after H profile steel rolled piece goes out pass, the first swash plate 3, second swash plate 4 pairs H profile steel rolled piece applies a balance couple (counter-force is even), without reversing after H profile steel rolled piece goes out milling train.
Analyze known, compared with prior art, advantage of the present invention and beneficial effect are:
One, invention increases the first swash plate and the second swash plate, outside the upper left being the left wing plate of H profile steel rolled piece by the first swash plate, inclined-plane provides an equilibrant force, outside the bottom right being the right wing plate of H profile steel rolled piece by the second swash plate, inclined-plane provides an equilibrant force, ensure that the H profile steel rolled piece rolled out there will not be torsion situation.
Two, the first swash plate and the second swash plate are welded on the inner side of first stop plate and second station plate by the present invention, improve the job stability of overall guide and guards, and avoid guide and guards and will roll useless situation in the middle of H profile steel rolled piece.
Three, the parts that comprise of guide and guards of the present invention are less, all parts in processing, to make and very convenient in maintenance.
Four, guide and guards structure of the present invention is simple, result of use is good.
As known by the technical knowledge, the present invention can be realized by other the embodiment not departing from its Spirit Essence or essential feature.Therefore, above-mentioned disclosed embodiment, with regard to each side, all just illustrates, is not only.Within the scope of the present invention all or be all included in the invention being equal to the change in scope of the present invention.
Claims (9)
1. for a guide and guards for hot rolled H-shaped rolled piece, it is characterized in that, comprising:
First stop plate, locates for providing left part;
Second station plate, being symmetrical arranged each other with described first stop plate, locating for providing right part;
First swash plate, is fixedly mounted on the medial surface of described first stop plate, provides left part equilibrant force for inclined-plane outside the upper left of the left wing plate for H profile steel rolled piece; With
Second swash plate, identical with the structure of described first swash plate, be fixedly mounted on the medial surface of described second station plate, provide right part equilibrant force for inclined-plane outside the bottom right of the right wing plate for H profile steel rolled piece.
2. guide and guards according to claim 1, is characterized in that:
The bevel phase that described first swash plate comprises rectangular section and extended to form by rectangular section, outside the upper left of the inclined-plane of described bevel phase and the left wing plate of H profile steel rolled piece, conflict in inclined-plane;
The bevel phase that described second swash plate comprises rectangular section and extended to form by rectangular section, outside the bottom right of the inclined-plane of described bevel phase and the right wing plate of H profile steel rolled piece, conflict in inclined-plane.
3. guide and guards according to claim 2, is characterized in that:
The length of the rectangular section of described first swash plate is greater than the length of the bevel phase of described first swash plate;
The length of the rectangular section of described second swash plate is greater than the length of the bevel phase of described second swash plate.
4. guide and guards according to claim 2, is characterized in that:
Outside the lower-left that the thickness of the rectangular section of described first swash plate is less than described first stop plate and described left wing plate inclined-plane Basolateral between distance;
Distance between outside the top that the thickness of the rectangular section of described second swash plate is less than the outer inclined-plane of upper right of described second station plate and described right wing plate.
5. guide and guards according to claim 2, is characterized in that:
The bevel phase of described first swash plate is positioned at the first half, and the rectangular section of described first swash plate is positioned at Lower Half;
The bevel phase of described second swash plate is positioned at Lower Half, and the rectangular section of described second swash plate is positioned at the first half.
6. guide and guards according to claim 2, is characterized in that:
Described first stop plate and described second station plate are placed in the both sides of outside, roll exit place respectively;
Outside the lower-left of the bottom of the rectangular section of described first swash plate and the left wing plate of H profile steel rolled piece, the bottom on inclined-plane is positioned at same level, and the top edge of the bevel phase of described first swash plate aligns with the outside top margin on inclined-plane outside the upper left of the left wing plate of H profile steel rolled piece;
The top on the outer inclined-plane of upper right of the top of the rectangular section of described second swash plate and the right wing plate of H profile steel rolled piece is positioned at same level, and the lower limb of the bevel phase of described second swash plate aligns with the base, outside on inclined-plane outside the bottom right of the right wing plate of H profile steel rolled piece.
7. guide and guards according to claim 1, is characterized in that:
Tall and big 5 ~ the 10mm of gap ratio H profile steel rolled piece waist between described first swash plate and described second swash plate.
8., for a guide and guard method for the guide and guards of hot rolled H-shaped rolled piece, it is characterized in that, comprise the following steps;
Step one, moves to roll exit place by described first stop plate and described second station plate;
Step 2, the bottom on inclined-plane outside the lower-left of the bottom of the rectangular section of described first swash plate and the left wing plate of H profile steel rolled piece is arranged at same level, and the top edge of the bevel phase of described first swash plate aligns with the outside top margin on inclined-plane outside the upper left of the left wing plate of H profile steel rolled piece; The top on the outer inclined-plane of upper right of the top of the rectangular section of described second swash plate and the right wing plate of H profile steel rolled piece is arranged at same level, and the lower limb of the bevel phase of described second swash plate aligns with the base, outside on inclined-plane outside the bottom right of the right wing plate of H profile steel rolled piece;
Step 3, it is high that the spacing adjusted between described first swash plate and described second swash plate is greater than H profile steel rolled piece waist;
Step 4, after H profile steel rolled piece goes out pass, makes the inclined-plane of the bevel phase of inclined-plane and described first swash plate outside the upper left of the left wing plate of H profile steel rolled piece conflict; Outside the bottom right of the right wing plate of H profile steel rolled piece, conflict in the inclined-plane of the bevel phase of inclined-plane and described second swash plate; Described first swash plate and described second swash plate apply a balance couple to H profile steel rolled piece.
9. the guide and guard method of guide and guards according to claim 8, is characterized in that:
In step 3, the tall and big 5 ~ 10mm of gap ratio H profile steel rolled piece waist between the first swash plate and the second swash plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410558824.0A CN104399759B (en) | 2014-10-20 | 2014-10-20 | A kind of guide and guards for hot rolled H-shaped rolled piece and guide and guard method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410558824.0A CN104399759B (en) | 2014-10-20 | 2014-10-20 | A kind of guide and guards for hot rolled H-shaped rolled piece and guide and guard method |
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| CN104399759B CN104399759B (en) | 2016-08-31 |
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2014
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| JPH09108705A (en) * | 1995-10-20 | 1997-04-28 | Nkk Corp | Method and device for rolling shapes |
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| CN104399759B (en) | 2016-08-31 |
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