CN2882850Y

CN2882850Y - Mobile shearing machine

Info

Publication number: CN2882850Y
Application number: CN 200620031207
Authority: CN
Inventors: 孙成国
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-02-24
Filing date: 2006-02-24
Publication date: 2007-03-28
Anticipated expiration: 2016-02-24

Abstract

The utility model discloses a mobile shearer, which is characterized in that: a upper shear (26) is fixed on a concave platform at the upper section inside a shearer frame (1); a lower shear (22) is fixed on the convex platform extending from the front section of a shearing slide block (9); the shearing slide block (9) is fixed on a flange (7) on a piston rod of a oil cylinder (2) via a screw nail (8); the oil cylinder (2) is positioned on one end inside the shearer frame (1); a convex lug (13) is respectively arranged before and after the middle section of the shearer frame (1); a wheel axle (12) is positioned respectively on two convex lug (13); the two ends of the wheel axle (12) are fixed to the convex lug (13) via a wheel axle clamp (17); a wheel group (14) is respectively positioned at the two ends of the two wheel axle (12); the wheel group (14) is respectively positioned on two guide rails (15); the guide rail (15) is positioned on a guide rail support (16); the guide rail support (16) is positioned on the foundation of the continuous casting production line. The utility model has the advantages of simple structure, small size, light weight, low manufacturing cost and convenient maintenance and application.

Description

Portable cutter

Technical field:

The utility model relates to the conticaster production line and uses equipment technical field, especially a kind of portable cutter.

Background technology:

At present each steel mill of China all adopts oxygen and acetylene to cut the steel billet that conticaster pulls out more than 95%, makes steel billet joint-cutting moment become iron scale.Its cut lengths of 120 sides and 150 sides' steel billet is generally 3 meters, it is 6-9 rice that indivedual producers introduce the overseas equipment scale, every meter heavy 107 kilograms of 120 common billets, every meter heavy 171 kilograms on 150 sides' steel billet, if with 120 billet scales is 3 meters calculating, steel billet per ton just has three otch, cut with oxygen and acetylene, it is wide that joint-cutting is generally 5-8mm, calculate by minimum joint-cutting 5mm, steel billet per ton is cut off just having of cutting: 0.120 * 0.120 * 3 * 0.005 * 7800 (steel billet proportion)=1.68 (kilogram).Calculate if press 8mm, or calculate by 150 sides' steel billet, it is big that quantity is also wanted.The annual output of steel of China reaches hundred million tons of 3-4, and that uses that conticaster draws steel billet accounts for 1/3, that is to say 200,000 tons of left and right sides steel billets to be arranged because joint-cutting becomes iron scale, and the numeral of its waste is surprising.In addition, also be very important owing to cut the problem of environmental pollution that steel billet causes with oxygen and acetylene.Therefore, some steel mill has designed a kind of 250 tons mechanical shear and has cut off steel billet, and promptly save steel and be beneficial to environmental protection again, but this mechanical shear complex structure, equipment is too heavy, and 25 tons of weights are arranged, and have special place to put, and floor space is bigger, and can not move.

The utility model content:

The purpose of this utility model provides a kind of portable cutter, on the conticaster production line, shears steel billet along with steel billet moves, and it is simple in structure, and is in light weight, low cost.

The technical solution of the utility model is: a kind of portable cutter, comprise that the described upward scissors of shearing machine frame, the last scissors on it and lower scissors is fixed on the concave station of upper end in the shearing machine frame-saw, lower scissors is fixed on to be sheared on the boss that slip front stretches out, shear slide block and connect flange disc, flange disc is fixed on the piston rod on the oil cylinder, and oil cylinder is contained in lower end in the shearing machine frame-saw; Be provided with frame travel mechanism at shearing machine frame middle part, this frame travel mechanism comprises the lug of central rack, at per 2 lug places axletree is housed respectively, at 2 axletree two ends set of wheels is housed respectively, set of wheels is installed on two guide rails respectively, guide rail is installed on the rail brackets, and rail brackets is installed on the ground of conticaster production line.

Fixed head is equipped with by counter-sunk screw in the lower end in described shearing machine frame-saw, and oil cylinder is contained on the fixed head by counter-sunk screw, and fixed head and fixed head are fixed together by screw.

On described shearing machine frame, be fixed with the shearing plate washer, shear plate washer and be fixed on shearing machine frame back and shear the corresponding position of plate washer by two gear plate bolts by two gear plate bolts.

Both sides are fixed with by counter-sunk screw respectively and shear sideskid and shear sideskid in described shearing machine frame-saw, shear positive slide plate for 4 and are fixed on shearing plate washer and the down cut plate washer by counter-sunk screw respectively.

The obtained effect of the utility model is as follows: the utility model is simple in structure, volume is little, and is in light weight, and its body weight only has 2.8 tons, low cost, keep in repair easy to usely, annual maintenance is once just passable, has reduced production cost, spare part has only shearing blade, every shearing 8000-10000 ton steel billet changes once goes up lower scissors, can also reuse after the scissors sharpening is good, and every shearing blade price is hundreds of unit only; Be contained on the conticaster production line and shear steel billet, save manpower, again cut, promptly saved steel and be beneficial to environmental protection again without oxygen and acetylene along with steel billet moves simultaneously.

Description of drawings:

Fig. 1 is a structural representation of the present utility model;

Fig. 2 is the left view of Fig. 1;

Fig. 3 is the A-A cutaway view of Fig. 1;

Fig. 4 is the E-E cutaway view;

Fig. 5 is the connection diagram of pulley, steel wire rope, weight holder and axletree.

The specific embodiment:

Structure of the present utility model such as Fig. 1-shown in Figure 5, fixed head 4 is equipped with by counter-sunk screw in the lower end in shearing machine frame 1 frame of the present utility model, oil cylinder 2 is equipped with fixed head 5 by counter-sunk screw, fixed head 4 and fixed head 5 are fixed together by four screws 6, piston rod 3 on the oil cylinder 2 is fixed with flange disc 7, flange disc 7 connects by screw 8 shears slide block 9, shears plate washer 10 and is fixed on the shearing machine frame 1 by two gear plate bolts 11.As shown in Fig. 1,2, before and after shearing machine frame 1 middle part, be respectively equipped with 4 lugs 13, at per 2 lug 13 places axletree 12 is housed respectively, axletree 12 2 ends are fixed on the lug 13 by 2 axle card screws 18 by axletree card 17 respectively, shear plate washer 19 and are fixed on shearing machine frame 1 back and shear plate washer 10 corresponding positions by two gear plate bolts 20.At 2 axletree 12 2 ends set of wheels 14 is housed respectively, set of wheels 14 is installed on two guide rails 15, and guide rail 15 is installed on the rail brackets 16, and 16 of rail bracketses are installed on the ground of conticaster production line.As shown in Figure 3, on the boss that shearing slide block 9 front ends stretch out lower scissors 22 is housed, lower scissors 22 all is fixed together by 2 lower scissors hold-down screws 23 and lower scissors backing plate 21; Scissors 26 is equipped with in upper end in shearing machine frame 1 frame, on the concave station of last scissors 26 by 2 last scissors hold-down screw 24 upper ends in last scissors backing plate 25 all is fixed on shearing machine frame 1 frame.As shown in Figure 4, both sides are fixed with by counter-sunk screw respectively and shear sideskid 27 and shear 29,4 of sideskids and shear positive slide plates 28 and be fixed on by counter-sunk screw respectively and shear plate washer 10 and shear on the plate washer 19 in shearing machine frame 1 frame.Fig. 5 is pulley, steel wire rope, weight holder and axletree 12 connection diagrams, 2 pulleys 31 are separately fixed on the pillar on conticaster production line next door, 2 steel wire rope 30 1 ends are distinguished axletree 12 two limits of bolt in shearing machine frame 1 back, and around hanging on the pulley 31,2 steel wire rope 30 other ends respectively hang with 30 kilograms weight holder 32.

Piston two ends in the oil cylinder 2 of the present utility model link to each other with plunger displacement pump by high-pressure oil pipe separately, plunger displacement pump links to each other with motor, the fuel tank of plunger displacement pump, motor, oil cylinder 2 is installed on the ground of conticaster production line one side, and fuel tank is linked to each other by high-pressure oil pipe with plunger displacement pump.

This portable cutter shifting principle: when last lower scissors clamps steel billet moment, because the thrust when clamping force and steel billet move is during greater than the gravity of weight holder 32 and the frictional force between axletree 12 and the guide rail 15, make cutter along with steel billet moves forward, weight holder 32 is also along with set of wheels 14 upwards promotes.After steel billet was cut off, lower scissors was return original position, and last lower scissors and steel billet are thrown off, steel billet continues to move forward, and the gravity of weight holder this moment 32 is greater than the frictional force between axletree 12 and the guide rail 15, and weight holder 32 promptly moves down, move backward thereby drive cutter, set back.

During work, along with the steel billet that pulls out on the conticaster production line moves, when steel billet reaches Len req (as 3 meters), this portable cutter is worked by the driven by motor plunger displacement pump, plunger displacement pump enters pressure oil the following position of oil cylinder 2 by pipeline, piston rod 3 on the oil cylinder 2 is moved up, and the lower scissors of then promote shearing on the slide block 9 22 moves upward, and with last scissors 26 steel billet is cut off.Be clamped to the moment of cutting off from steel billet, cutter is along with steel billet moves a certain distance.After cutting off, pressure oil enters the upper part of oil cylinder 2 by pipeline, and piston rod 3 is moved down, and drives to shear slide block 9 and lower scissors 22 moves down.Under the gravity effect of weight holder 32, make cutter return original position along guide rail 15, wait cycle next time is the shear-steel base again.The speed that the invar base pulls out changes, and this portable cutter can change with the pulling rate of steel billet, and both the pulling rate of steel billet was fast, and cutter is also fast thereupon, and the pulling rate of steel billet is slow, and cutter is also slow thereupon.The steel billet scale is 3 meters, and cutter is just with 3 meters cycle shear-steel base, if the steel billet scale is 6 meters, cutter is just with 6 meters cycle shear-steel base.120 sides and 150 sides' steel billet pulling rate generally is 2.2 meters/minute-3 meters/minute, the time of cutting off is 5-6 second, if with 3 meters of conticaster pulling rates, time of cutting off is to calculate for 6 seconds, then the distance that moves with steel billet of cutter is 300mm, it was 4 seconds that lower scissors 22 is recessed the steel billet time, the distance that moves with steel billet is 200mm, total the distance that moves that adds up to is 500mm, the cycle of cutting off was 10 seconds.

In addition, this portable cutter also can be without devices such as pulley, weight holders, drives cutter and returns original position but refill an oil hydraulic system in addition, but can increase cost.

Claims

1, a kind of portable cutter, comprise shearing machine frame (1), the last scissors (26) on it and lower scissors (22), it is characterized in that: described upward scissors (26) is fixed on the concave station of upper end in shearing machine frame (1) frame, lower scissors (22) is fixed on to be sheared on the boss that slide block (9) front end stretches out, shear slide block (9) and connect flange disc (7), flange disc (7) is fixed on the piston rod on the oil cylinder (2), and oil cylinder (2) is contained in lower end in shearing machine frame (1) frame; Be provided with frame travel mechanism at shearing machine frame (1) middle part, this frame travel mechanism comprises the lug (13) of central rack, locate to be equipped with respectively axletree (12) at per 2 lugs (13), at 2 axletrees (12) two ends set of wheels (14) is housed respectively, set of wheels (14) is installed on two guide rails (15) respectively, guide rail (15) is installed on the rail brackets (16), and rail brackets (16) is installed on the ground of conticaster production line.

2, portable cutter according to claim 1, it is characterized in that: fixed head (4) is equipped with by counter-sunk screw in the lower end in described shearing machine frame (1) frame, oil cylinder (2) is contained on the fixed head (5) by counter-sunk screw, and fixed head (4) and fixed head (5) are fixed together by screw (6).

3, portable cutter according to claim 1, it is characterized in that: go up by two gear plate bolts (11) at described shearing machine frame (1) and be fixed with shearing plate washer (10), shear plate washer (19) and be fixed on shearing machine frame (1) back and shear the corresponding position of plate washer (10) by two gear plate bolts (20).

4, portable cutter according to claim 1, it is characterized in that: both sides are fixed with by counter-sunk screw respectively and shear sideskid (27) and shear sideskid (29) in described shearing machine frame (1) frame, shear positive slide plate (28) for 4 and are fixed on shearing plate washer (10) and the down cut plate washer (19) by counter-sunk screw respectively.