CN103736752A

CN103736752A - Guide and guard device for section mill

Info

Publication number: CN103736752A
Application number: CN201310572919.3A
Authority: CN
Inventors: 娄霆; 马飞跃; 王亮; 王立格
Original assignee: Hefei Baisheng Science and Technology Development Co Ltd
Current assignee: Hefei Baisheng Science and Technology Development Co Ltd
Priority date: 2013-11-15
Filing date: 2013-11-15
Publication date: 2014-04-23
Anticipated expiration: 2033-11-15
Also published as: CN103736752B

Abstract

The invention relates to the technical field of guide of mill wire bars with complex sections, in particular to a guide and guard device for a section mill. The guide and guard device comprises a guide and guard beam used for being connected with a machine frame of the mill. The guide and guard beam is provided with side plates. The side plates and the guide and guard beam are detachably matched. Guard plates are arranged between the side plates arranged at intervals. The guard plates and the guide and guard beams are detachably matched. The height of the guard plates is equal to that of the bottom of a containing cavity. The guard plates are arranged between the side plates. One side, adjacent to a roller, of each guard plate is arranged on the bottom of the containing cavity in an erecting mode. The phenomenon that the wire bars wind around the roller can be avoided, the guard plates, the side plates and the guide and guard beam are detachably matched, in the replacing process, only a single part needs to be replaced independently, operation is convenient, and the cost is saved greatly.

Description

Shape rolling mill guide and guard

Technical field

The present invention relates to rolling mill line rod guide that milling train is compound section to technical field, is exactly specifically a kind of shape rolling mill guide and guard.

Background technology

Shaped steel is as in the process by the roll rolling of milling train such as I-steel, channel-section steel, because cross section is comparatively complicated, when blank to be processed passes through roll, generally all need to carry out the rolling in several stages, the material-holding chamber of concrete rolling upper and lower being formed to cooperatively interacting and finally need the roughly the same setting of cross section profile of roll forming with exactlying, some similar material-holding chambers are set on the roller length direction of roll, until make the material-holding chamber arranging and the identical setting of section bar profile (shown in Fig. 8, label symbol A is exactly the profile of material-holding chamber) that finally needs rolling below; Adopt this progressively benefit of shaping, repeat-rolling to be: can make at utmost to reduce at the shaped steel of rolling complex face the wearing and tearing of breaker roll, also improve the mechanical characteristic of shaped steel own simultaneously.

In prior art, the shaped steel that this cross section of rolling is comparatively complicated, can coordinate charging aperture and the discharging opening of the material-holding chamber forming that guide and guard are all set at upper and lower roll, between adjacent material-holding chamber, side plate is set, several side plates are arranged on the guide beam of arranging along roller length direction, guide blank to be processed to enter material-holding chamber and complete rolling, to prevent the play of blank to be processed on roller length direction.In prior art, side plate and guide beam are the structure settings of one, during side plate serious wear wherein, must change whole guide and guard, and replacement cost is very high; And in the process of rolling, the shaped steel of complex section is easy to occur the phenomenon of warpage curling round the roll, milling train and whole production are brought to adverse effect.

Summary of the invention

The object of the present invention is to provide a kind of shape rolling mill guide and guard, reduce the cost that guide and guard wearing and tearing are changed, avoid the generation of blank collaring to be processed.

For achieving the above object, the technical solution used in the present invention is: a kind of shape rolling mill guide and guard, comprise the guide beam for being connected with rolling-mill housing, on guide beam, be provided with side plate, described side plate forms detachable cooperation with guide beam, between spaced apart side plate, be provided with and defend plate, defend plate and form detachable cooperation with guide beam, defend contiguous setting at the bottom of the height of plate and the chamber of material-holding chamber.

Compared with prior art, the technique effect that the present invention exists is:

Between side plate and side plate, be provided with and defend plate, defend the side that plate and roll are adjacent and set up the bottom, chamber at material-holding chamber, can avoid the appearance of line bar curling round the roll situation, defend plate and side plate and guide beam and all form detachable fit system, the two is changed, only need separately part to be changed, provide cost savings greatly.

Accompanying drawing explanation

Fig. 1 is front view of the present invention;

Fig. 2 is the B-B view of Fig. 1;

Fig. 3 top view of the present invention;

Fig. 4 axonometric drawing of the present invention;

Fig. 5 is the state diagram while being used in conjunction with of the present invention and rolling mill roll;

Fig. 6 is the structural representation that the present invention defends plate;

Fig. 7 is the structural representation of side plate of the present invention;

Schematic diagram when Fig. 8 is rolling mill roll mated condition.

The specific embodiment

In conjunction with Fig. 1 to Fig. 8, the present invention is done to further detailed deciphering:

A kind of shape rolling mill guide and guard, comprise the guide beam 10 for being connected with rolling-mill housing, on guide beam 10, be provided with side plate 20, described side plate 20 forms detachable cooperation with guide beam 10, between spaced apart side plate 20, be provided with and defend plate 30, defend plate 30 and form detachable cooperation with guide beam 10, at the bottom of defending the height of plate 30 and the chamber of material-holding chamber A, vicinity arranges, between side plate 20 and side plate 20, be provided with and defend plate 30, defend the bottom, A chamber that a side that plate 30 is adjacent with roll B is set up at material-holding chamber, when blank to be processed coordinates through roll A the material-holding chamber A forming, owing to defending a side of plate 30, set up the bottom, chamber at material-holding chamber A, rolling blank has later been transported to other stations of blank processing along defending plate 30, avoid blank to be processed to occur in roll capacity chamber A place collaring, defend plate 30 and side plate 20 and guide beam 10 and all form detachable fit system, the two is changed, only need separately part to be changed, provide cost savings greatly.

Further, shown in Fig. 1, Fig. 2, Fig. 4, Fig. 5, described guide beam 10 is tabular and its plate face of bar and is positioned at vertical guide, guide beam 10 two ends height are consistent, described side plate 20 and defend plate 30 and arrange along the interval, top of guide beam 10, the two ends of guide beam 10 arrange the journal stirrup 13 fixing with rolling-mill housing, and journal stirrup 13 passes through bolted (because rack construction of the rolling mill is complicated, accompanying drawing is not shown) with mill stand.

Further, shown in Fig. 2 and Fig. 6, there is the first draw-in groove 31 coordinating with guide beam 10 top clampings described one end of defending plate 30, as most preferred embodiment of the present invention, the rectangular setting in cross section of the first described draw-in groove 31, step surface is arranged in the top of corresponding guide beam 10, step surface coordinates with the first draw-in groove 31 clampings, can limit and defend plate 30 in the displacement for the treatment of the fore-and-aft direction of rolled blank material position, this snap fit is simple in structure, assembling and convenient disassembly, the other end of defending plate 30 overhangs and puts the bottom, chamber of material-holding chamber A, the other end of defending plate 30 is provided with that cross section conforms to material-holding chamber A chamber basal cross section defends plate point 32, the described plate point 32 of defending is set up the bottom, chamber at material-holding chamber A, owing to defending one end of plate 30, can be limited in by interface arrangment the displacement of the fore-and-aft direction for the treatment of rolled blank material position, the displacement mode of defending the vertical direction of plate 30 is: be connected (in order to simplify accompanying drawing with the tensioning mechanism 40 below it defending the stage casing of plate 30, tensioning mechanism 40 is at Fig. 4, not shown in Fig. 5), so just limited the movement of defending plate 30 above-below directions, .

Same, shown in Fig. 7, the bottom of one end of described side plate 20 is provided with the second draw-in groove 21 coordinating with guide beam 10 top clampings, the setting that conforms to the roll B roll surface of milling train of the other end of side plate 20, the frictional force of just bearing the fore-and-aft direction of blank to be processed position at the biside plate face of side plate 20 due to side plate 20, the above-below direction of side plate 20 does not bear the effect of extraneous power substantially, therefore, 21 needs of the second draw-in groove of side plate 20 one end are directly connected to the top of guide beam 10, as preferred version of the present invention, after defending plate 30 and side plate 20 and assembling, moving in the slip of guide beam 10 tops for preventing side plate 20 and defending plate 30, can chock be set in the top of guide beam 10, make side plate 20 and defend tightr that plate 30 parts such as grade recline.

Further, shown in Fig. 1 and Fig. 2, described tensioning mechanism 40 comprises extension spring 41 and for straining the suspension hook 42 of extension spring 41, extension spring 41 one end are hooked in the through hole 33a offering on the journal stirrup 33 of defending plate 30 bottom plate body settings, the other end of extension spring 41 be hooked on suspension hook 42; Described guide beam 10 be provided with below some fixed blocks 11 to downward-extension, between fixed block 11, be provided with slide bar 12, on slide bar 12, be provided with slide block 43, described suspension hook 42 is arranged on slide block 43.

The upper board face of described slide block 43 is provided with the 3rd draw-in groove coordinating below with guide beam 10, the 3rd draw-in groove is connected to guide beam 10 below and the two formation is slidably matched, the plate face of described slide block 43 1 sides is provided with journal stirrup 43a, one end of described suspension hook 42 is arranged on journal stirrup 43a, the bar section setting that suspension hook 42 stretches out journal stirrup 43a is thread segment, on thread segment, adjusting nut 44, and adjusting nut 44 is for adjusting lift hook 42, thereby plate 30 is defended in tension.

Claims

1. shape rolling mill guide and guard, comprise the guide beam (10) for being connected with rolling-mill housing, on guide beam (10), be provided with side plate (20), it is characterized in that: described side plate (20) forms detachable cooperation with guide beam (10), between spaced apart side plate (20), be provided with and defend plate (30), defend plate (30) and form detachable cooperation with guide beam (10), defend contiguous setting at the bottom of the height of plate (30) and the chamber of material-holding chamber A.

2. shape rolling mill guide and guard according to claim 1, it is characterized in that: described guide beam (10) is tabular and its plate face of bar and is positioned at vertical guide, guide beam (10) two ends height is consistent, described side plate (20) and defend plate (30) and arrange along the interval, top of guide beam (10).

3. shape rolling mill guide and guard according to claim 1 and 2, it is characterized in that: there is the first draw-in groove (31) coordinating with guide beam (10) top clamping described one end of defending plate (30), the other end of defending plate (30) overhangs and puts the bottom, chamber of material-holding chamber A, the other end of defending plate (30) is provided with that cross section conforms to material-holding chamber A chamber basal cross section defends plate point (32), defend plate point (32) and set up the bottom, chamber at material-holding chamber A, the stage casing of defending plate (30) is connected with the tensioning mechanism (40) of its below.

4. shape rolling mill guide and guard according to claim 1 and 2, it is characterized in that: the bottom of one end of described side plate (20) is provided with the second draw-in groove (21) coordinating with guide beam (10) top clamping the setting that conforms to the roll B roll surface of milling train of the other end of side plate (20).

5. shape rolling mill guide and guard according to claim 3, it is characterized in that: described tensioning mechanism (40) comprises extension spring (41) and for straining the suspension hook (42) of extension spring (41), extension spring (41) one end is hooked on to be defended in the through hole (33a) of offering on the journal stirrup (33) that plate (30) bottom plate body arranges, the other end of extension spring (41) be hooked on suspension hook (42); Described guide beam (10) be provided with below some fixed blocks to downward-extension (11), between fixed block (11), be provided with slide bar (12), on slide bar (12), be provided with slide block (43), described suspension hook (42) is arranged on slide block (43).

6. shape rolling mill guide and guard according to claim 5, it is characterized in that: the upper board face of described slide block (43) is provided with the 3rd draw-in groove coordinating below with guide beam (10), the 3rd draw-in groove is connected to guide beam (10) below and the two formation is slidably matched, the plate face of described slide block (43) one sides is provided with journal stirrup (43a), one end of described suspension hook (42) is arranged on journal stirrup (43a), the bar section setting that suspension hook (42) stretches out journal stirrup (43a) is thread segment, adjusting nut on thread segment (44).