CN2923096Y

CN2923096Y - Autiblocked chute device for hot milling machine flying shear

Info

Publication number: CN2923096Y
Application number: CN 200620044245
Authority: CN
Inventors: 李华明; 王军
Original assignee: Baoshan Iron and Steel Co Ltd
Current assignee: Baoshan Iron and Steel Co Ltd
Priority date: 2006-07-25
Filing date: 2006-07-25
Publication date: 2007-07-18
Anticipated expiration: 2016-07-25

Abstract

The utility model discloses a stopping-proof chute device used for the flying shears of a hot milling roll; the chute is comprised of an inclined base plate and two side boards that are arranged on the two sides of the base plate respectively; the bottom of the chute is provided with a stopping discharging device extending along the chute; the upper end of the stopping discharging device is articulated with a top notch, while the lower end is connected with a lifting device. Besides, the two side boards of the base plate are inclined outward from the bottom to the top. The stopping-proof chute device of the flying shears of a hot milling roll adapting the structure has the advantage of effectively decreasing the stopping of the head and tail of a band steel within the chute; besides, the utility model has the advantages of safe and automatic stopping discharging with high efficiency when the head and tail of a band steel is accidentally stopped.

Description

The anti-blocking chute device of a kind of hot-rolling mill flying shear

Technical field

The utility model relates to the shearing equipment that steel plate is carried out hot rolling, relates in particular to the anti-blocking chute device of hot-rolling mill flying shear, and this device is mainly used in the waste material end to end that collection is sheared from the band steel.

Background technology

For guaranteeing that there is well portion's shape end to end the band steel capital that enters the hot fine rolling milling train, all adopt at present both at home and abroad the hot rolling flying shear to the cutting end to end of each piece band steel of roughing supplied materials intermediate blank, it shears collecting in the waste material bucket by the chute of hot rolling flying shear end to end of getting off.The crop purpose of supplied materials intermediate blank is to guarantee that the supplied materials head has the shape of a rule and eliminates cold steel toe, and the purpose of back-end crop is excision supplied materials dovetail and irregular tail shape, guarantee monoblock band steel wear band, rolling, throw the stable of steel, guarantee the surface quality of band steel, avoid roll to impact the damage that is caused because of supplied materials cold head.

In whole process of production, because width, shape, the size of shearing has nothing in common with each other end to end, situation about falling down is also different, and the iron head has nothing in common with each other to the impulsive force of chute in addition, thus often produce shear in chute, block the phenomenon of can't landing advancing the waste material bucket end to end; In addition, because the chute deficiency structurally of hot rolling flying shear, for example the width up and down of chute is changeless, and the rolling strip width of rolling line is a plurality of specifications, and the wide variety scope is bigger, and the situation that causes the iron head to drop down also is Protean, some width is just wide almost even be greater than the bottom land width with bottom land, so often appear at the phenomenon of blocking in the chute easily, this causes difficulty to ordinary production, brings major hidden danger to safety especially.

The chute of pricking flying shear with the heat in a kind of hot rolling illustrated in figures 1 and 2 is an example, and the chute 1 that this heat is pricked flying shear is made of with the two block side plates 12 vertical with base plate 11 that are positioned at base plate 12 both sides base plate 11; This chute 1 tilts to be fixed on the soleplate 41 by location-plate 42 and screw 43, makes chute 1 extend to the waste material bucket from high to low.Because the width up and down of this chute is changeless; when clipping to the much the same band steel of partial width and chute width; or some afterbody is when being dove-tail form, shear end to end through regular meeting directly bottom chute generation face contact, cause end to end easily and block at chute.And that the particularity of hot rolling technology does not often allow to stop to roll the card of handling chute midway is stifled, very easily causes steel scrap as stopping to roll open rolling more midway when the rolled sheet metal, so produce even still will continue after chute is blocked.By the time rolling scaduled when all finishing, the iron head that is blocked in the whole chute can be many especially, and this has brought bigger difficulty and dangerous to processing.Since this hot rolling goes into operation; chute is taken place repeatedly by the phenomenon that the iron head blocks; need the operative employee to climb up chute after blocking clears up with steel wire rope at every turn; this is very dangerous; and downtime is long especially; this problem once was listed in the maximum potential safety hazard point in the hot rolling, also taked the whole bag of tricks to solve, but never found suitable solution.

Summary of the invention

The purpose of this utility model provides the anti-blocking chute device of a kind of hot-rolling mill flying shear, this anti-blocking chute is difficult for making the band steel toe tail that drops within it to block clogging, and can be when band steel toe tail blocks in chute once in a while, carry out automatically tackling blockage efficiently and safely, to overcome the deficiency that prior art exists.

To achieve these goals, the utility model hot-rolling mill flying shear comprises the base plate of inclination and the biside plate that is separately positioned on the base plate both sides with anti-blocking chute device, trench bottom at chute is provided with the blockage-eliminating device that extends along groove, the upper end hinge of this blockage-eliminating device is in the upper end notch, and the lower end connects lifting apparatus.

Because trench bottom is provided with blockage-eliminating device, make the chute bottom that fluctuating be arranged, when being with the steel toe tail when dropping and contact the chute bottom, can avoid contacting with the face of chute bottom end to end, reduce the force of sliding friction of band steel toe tail and chute bottom surface, guarantee to be with the steel toe tail to advance in the waste material bucket, prevent the purpose blocked to reach along the chute landing; In case that shears blocks in chute end to end once in a while, the blockage-eliminating device of chute bottom can also realize that the lower end lifts on the upper end rotate, make the band steel toe tail that is blocked loosening, and deadweight slides into down during collection struggles against by band steel toe tail.

In further improvement of the utility model, the biside plate of described base plate both sides is outward-dipping from top to bottom.Such structure makes chute width top greater than the bottom, is with the stifled place that is highly profitable of steel toe tail card to preventing, also is convenient to the stifled band steel toe tail of blockage-eliminating device transaction card in the chute simultaneously.

Therefore, the utility model is with the steel toe tail to block stifled advantage in chute by being provided with blockage-eliminating device at trench bottom and groove width is designed to become from top to bottom greatly, have effectively to reduce; When band steel toe tail idol in groove has the card of generation stifled, has the advantage of carrying out automatically tackling blockage efficiently and safely simultaneously.

Description of drawings

Below in conjunction with the drawings and specific embodiments the utility model is elaborated:

Fig. 1 is the structural representation of the chute of hot rolling flying shear in the prior art;

Fig. 2 is that the A-A of Fig. 1 is to cross section view;

Fig. 3 is the structural representation of a kind of hot-rolling mill flying shear of the utility model with anti-blocking chute device;

Fig. 4 is that the B-B of Fig. 3 is to cross section view.

Among the figure: 1, chute 11, base plate 12, side plate 2, blockage-eliminating device 21, I-steel 22, hinged 23, hinge hole 24, hole for hoist 25, arc groove 3, lifting apparatus 31, oil cylinder 32, reference column 33, gudgeon 34, hinged block 35, tray 36, bearing pin 41, soleplate 42, locating piece 43, screw 44, hinge bar spoke 45 hinge holes 46, bearing pin 6, clipped position

The specific embodiment

The anti-blocking chute device of hot-rolling mill flying shear as shown in Figure 3 and Figure 4 comprises chute 1, blockage-eliminating device 2 and lifting apparatus 3.

Wherein chute 1 is made of base plate 11 and the biside plate 12 that is arranged on the base plate both sides.This chute 1 tilts to be fixed on the soleplate 41 by location-plate 42 and screw 43, makes chute 1 extend to the waste material bucket from high to low.The top of chute 1 is exactly the clipped position 6 of flying shear.The biside plate 12 of this chute 1 is arranged to and 11 one-tenth obtuse angles of base plate, and promptly biside plate 3 leans outward from top to bottom and tiltedly is arranged on the both sides of base plate 11, just the groove width of chute 1 from bottom land to being gradually big.

Blockage-eliminating device 2 is arranged on the bottom of chute 1.This blockage-eliminating device 2 is I-steel 21 that extend along groove, is close to chute 1 lower surface, and its upper end car has hinged 22 and is drilled with hinge hole 23.Be fixed with a hinge bar 44 on the basic ejecting plate 41 at the upper end of chute 1 notch 13 places, also have hinge hole 45 on the hinge bar 44, bearing pin 46 passes hinge hole 23 and hinge hole 45 is the upper end notch that blockage-eliminating device 2 is hinged on chute 1 with this I-steel 21.These I-steel 21 lower ends have hole for hoist 24 and arc groove 25, and this hole for hoist 24 can be convenient to lift the lifting processing of bolt, and this arc groove 25 can directly lift processing with steel wire rope at this place under the situation of not having the lifting bolt.Blockage-eliminating device 2 can be arranged on the centre position or the lateral location of chute 1 bottom, preferably be arranged on the lateral location of chute 1 bottom.

Lifting apparatus 3 comprises oil cylinder 31, reference column 32, hinged block 34, tray 35, wherein, oil cylinder 31 is realized stable location, basis by middle reference column 32, hinged block 34 is hinged by bearing pin 36 and gudgeon 33, tray 35 can connect for whole by welding with hinged block 34, also can be machined directly to integral body.The lower end of I-steel 21 can directly be shelved on the tray 35, when oil cylinder 31 promotes I-steel 21 lower ends by gudgeon 33, hinged block 34 and tray 35, can realize that angle changes by bearing pin 36 between oil cylinder 31 and the hinged block 34, cooperating and can remain unchanged between tray 35 and I-steel 21 lower ends, thus realize the steady operation of blockage-eliminating device 2.The oil cylinder 31 of this lifting apparatus 3 is connected with oil pump, and oil transportation blanking time by the control oil pump just can realize that automatic lifting blockage-eliminating device 2 is lifted in the rotation of the pin joint of upper end become flexible the band steel toe tail that is blocked.Certainly, this lifting apparatus 3 also can be designed to manual, by lifting on the manually-operated blockage-eliminating device 2.

When the hot rolling flying shear is worked, the band steel toe tail down landing of shearing from clipped position 6 is to chute 1, the I-steel 21 of chute 1 bottom is that blockage-eliminating device 2 makes chute 1 lower surface that fluctuating be arranged, the band steel toe tail that drops to chute 1 bottom can not contact with chute 1 lower surface generating plane, reduced the force of sliding friction of band steel toe tail and chute lower surface, guaranteed that headband steel tail advances in the waste material bucket along chute 1 landing, to reach the purpose of anti-jam.In case the band steel toe tail of shearing blocks in chute 1 once in a while, the blockage-eliminating device 2 of chute 1 bottom implement device lower end is automatically lifted on the upper end rotates, and makes the band steel toe tail that is blocked loosening, by sliding in the waste material bucket under the deadweight of band steel toe tail.Simultaneously, the upper width of chute 1 is with the stifled place that is highly profitable of steel toe tail card greater than bottom width to preventing, also is convenient to the stifled band steel toe tail of blockage-eliminating device 2 transaction cards in the chute 1 simultaneously.Therefore a kind of hot-rolling mill flying shear of the present utility model is difficult for making the band steel toe tail that drops within it to block clogging with anti-blocking chute device, and can carry out automatically tackling blockage efficiently and safely in chute when band steel toe tail blocks once in a while.

Those of ordinary skill in the art will be appreciated that, above embodiment is used for illustrating the utility model, and be not to be used as qualification of the present utility model, as long as in connotation scope of the present utility model, all will drop in claims scope of the present utility model variation, the modification of the above embodiment.

Claims

1, the anti-blocking chute device of a kind of hot-rolling mill flying shear, comprise the base plate of inclination and the biside plate that is separately positioned on the base plate both sides, it is characterized in that: the trench bottom at chute is provided with the blockage-eliminating device that extends along groove, and the upper end hinge of this blockage-eliminating device is in the upper end notch, and the lower end connects lifting apparatus.

2, the anti-blocking chute device of hot-rolling mill flying shear according to claim 1, it is characterized in that: the biside plate of described base plate both sides is outward-dipping from top to bottom.

3, the anti-blocking chute device of hot-rolling mill flying shear according to claim 1 and 2 is characterized in that: described blockage-eliminating device is arranged on chute bottom avris.

4, the anti-blocking chute device of hot-rolling mill flying shear according to claim 3, it is characterized in that: described lifting apparatus comprises oil cylinder, reference column, hinged block, tray, wherein, reference column is connected on the oil cylinder, hinged block is connected on the reference column, be equipped with gudgeon in the hole of hinged block, tray is connected on the hinged block, and the lower end of described blockage-eliminating device is shelved on the tray.

5, the anti-blocking chute device of hot-rolling mill flying shear according to claim 4, it is characterized in that: described blockage-eliminating device is an I-steel.

6, the anti-blocking chute device of hot-rolling mill flying shear according to claim 5 is characterized in that: the upper end car of described I-steel has hinged and be drilled with hinge hole, and the lower end has hole for hoist and arc groove.