CN202010816U

CN202010816U - Flying shear

Info

Publication number: CN202010816U
Application number: CN2011201302142U
Authority: CN
Inventors: 赵继学
Original assignee: TIANJIN BOJI ELECTROMECHANICAL HI-TECH Co Ltd
Current assignee: TIANJIN BOJI ELECTROMECHANICAL HI-TECH Co Ltd
Priority date: 2011-04-28
Filing date: 2011-04-28
Publication date: 2011-10-19
Anticipated expiration: 2021-04-28

Abstract

The utility model discloses a flying shear. The flying shear comprises a retarding mechanism, a shear mechanism and a transmission motor; the transmission motor is connected with an input shaft of the retarding mechanism, and the retarding mechanism is integrated with the shear mechanism; the retarding mechanism is a four-gear retarding mechanism; an output shaft of the transmission motor is connected with a high-speed input shaft through a drum gear coupling to transmit power, and the transmission motor comprises a lower output shaft, an upper output shaft and a middle intermediate wheel shaft; the high-speed input shaft is respectively meshed with the lower output shaft and the middle intermediate wheel shaft, and the middle intermediate wheel shaft is meshed with the upper output shaft; and the shear mechanism comprises an upper shear head and a lower shear head, and the lower output shaft and the upper output shaft are respectively connected with the lower shear head and the upper shear head of the shear mechanism, so as to drive the lower shear head and the upper shear head to rotate. The flying shear has the benefits that the shear mechanism has the dual-function of shearing and cutting, so as to save cutting shears and a motor for cutting; a narrow shear blade and a wide shear blade work together, so that cut rolled pieces have small length, the cutting time is short, and the cutting effect is good; and the flying shear is convenient and simple to operate.

Description

Flying shearing machine

Technical field

The utility model relates to a kind of flying shearing machine; Particularly relate to a kind of flying shearing machine that reduce cataclasm length, cataclasm time and cataclasm effect.

Background technology

Flying shearing machine are a kind of equipment of rolled piece being implemented to shear technology in workpiece motion s, are indispensable on the continous way steel rolling production-line, very crucial equipment.Particularly, along with the output and the kind of modernized steel production constantly increases, require steel rolling production to today that high speed, serialization, automated production mode develop, the demand of flying shearing machine constantly increases, and naturally and understandably the design and the workmanship of flying shearing machine is had higher requirement.Owing to be in high-speed motion, rolled piece to be implemented to shear, therefore, to the kinetic characteristic of flying shearing machine, being quick on the draw property, action accuracy, and each side such as work stability and reliability, all has very high requirement, the existing cataclasm flying shearing machine such as the patent No.: 2010206389792, though this flying shearing machine superior performance is more suitable for the shearing section and is 〉=500mm ²Rolled piece, not too suitable to the rolled piece that the shearing section is little.

In addition, some flying shearing machine can only be realized the cutting head cutting tail function to rolled piece, and if when having an accident, be difficult to it is taked treatment measures timely and effectively, for preventing to fly the generation of steel accident, often on this operation, add little cataclasm cutting of the back of the body in the back of flying shear, like this, when accident takes place,, guide rolled piece into cataclasm working region of cutting by special guide apparatus, to reach rolled piece is in time handled, prevented to fly the function that the steel accident takes place.But this structure causes cataclasm cutting tilt to place, and also is required to be cataclasm cutting simultaneously and adds gas-distributing motor and reducing gear, and is complicated and to take the space in workshop big during installation, increases the equipment cost on the steel rolling production-line.

Summary of the invention

Technical problem to be solved in the utility model is, provides a kind of and is quick on the draw, moves accurately, and working stability is reliable, and is rationally distributed simple, particularly flying shearing machine that can timely cataclasm rolled piece when having an accident.

The technical scheme that the utility model adopted is: a kind of flying shearing machine comprise: reducing gear, cutting mechanism and driving motor; The output shaft of described driving motor is connected with the power shaft of described reducing gear, and described reducing gear is combined as a whole by output shaft and cutting mechanism; Described reducing gear is four gear reductions, comprising: the high speed power shaft; The output shaft of described driving motor is connected transferring power with the high speed power shaft by crown gear coupling, and described driving motor comprises following output shaft, goes up output shaft and middle axle of carrier pulley; Described high speed power shaft meshes with following output shaft and middle axle of carrier pulley respectively, described middle axle of carrier pulley and the engagement of last output shaft; Described cutting mechanism comprises haircut and following haircut, and described output shaft down is connected with last haircut with the following haircut of cutting mechanism respectively with last output shaft, and then drives haircut and the rotation of last haircut down.

Be respectively arranged with two cutting edges on haircut and the following haircut on described.

Described two cutting edges are narrow cutting edge and wide cutting edge.

The beneficial effects of the utility model are: shear and cataclasm dual function because cutting mechanism possesses, saved cataclasm cutting and the cataclasm motor of using, when narrow cutting edge and wide cutting edge are worked simultaneously, cataclasm length of rolled piece is little, time is short, and is effective, and this structure operation is simple, convenient.

Description of drawings

Fig. 1 is the utility model flying shearing machine floor map;

Fig. 2 is a haircut schematic diagram up and down in the cutting mechanism.

Among the figure:

1. output shaft on 3. times output shafts 4. of driving motor 2. high speed power shafts

5. middle axle of carrier pulley 6. cutting mechanisms 7. rolled pieces 8. narrow cutting edges

9. wide cutting edge.

The specific embodiment

Below in conjunction with the last figure and the specific embodiment flying shearing machine are described in further detail:

As depicted in figs. 1 and 2, the utility model flying shearing machine are arranged on before the finishing mill, and this setting can make rolled piece enter to carry out cutting head cutting tail before the finishing mill, once finishing mill can be in time cataclasm with rolled piece when accident occurring, prevent to fly the generation of steel accident; Flying shearing machine comprise: reducing gear, cutting mechanism 6 and driving motor 1; The output shaft of described driving motor 1 is connected with the power shaft of described reducing gear, described reducing gear is combined as a whole by output shaft and cutting mechanism, the integrative-structure compactness can reduce mechanism's number of components and parts and the weight that participates in shearing motion, to reduce the inertia value of cutting mechanism motion, the variable quantity of minimizing speed, improve the sensitive stability and the positioning accuracy of flying shearing machine cutting mechanism, thereby improve the shearing quality of flying shearing machine; Described reducing gear is four gear reductions, comprising: high speed power shaft 2; The output shaft of described driving motor 1 and high speed power shaft 2 are connected transferring power by crown gear coupling, and described driving motor 1 comprises down output shaft 3, goes up output shaft 4 and middle axle of carrier pulley 5; Gears engaged on the following output shaft 3 of described high speed power shaft 2 and flying shear mechanism, can realize slowing down, gears engaged on the middle axle of carrier pulley 5 of simultaneously described high speed power shaft 2 and flying shear mechanism, realize the change of gear rotation direction, be last output shaft transferring power, gears engaged in the middle of described on Jie gear 5 and the last output shaft 4 drives when realizing slowing down and goes up haircut and following haircut rotation with the shearing workpiece; Described cutting mechanism 6 comprises haircut and following haircut, and described output shaft 3 down is connected with last haircut with the following haircut of cutting mechanism respectively with last output shaft 4, and then drives haircut and the rotation of last haircut down; Be respectively arranged with narrow cutting edge 8 and wide cutting edge 9 on haircut and the following haircut on described, be provided with breach at narrow cutting edge 8 places of last haircut and following haircut.

The operation principle of this cutting edge machine is: (crop or back-end crop) rolled piece 7 enters normal share zone by special use swing guide groove guiding during operate as normal, this moment, narrow cutting edge 8 was provided with breach on haircut, shear rolled piece in normal share zone and do not participate in shearing work, have only wide cutting edge 9 to carry out normal shearing work.When having an accident, swing guide groove by special use rolled piece is put to cataclasm zone, this moment, narrow cutting edge 8 was worked simultaneously with wide cutting edge 9, and half in the time of cataclasm waste material length can being reduced to the shearing of simple shear head also reduced the cataclasm time, improve cataclasm effect, more effectively prevented to fly the steel accident.

These flying shearing machine are particularly suitable for the rolled piece of shearing section≤φ 25mm, and its shear rate is 5 ~ 16m/s.

These flying shearing machine have upper and lower double shear head, and reducing gear and cutting mechanism are an integral body, simple and compact for structure, the mechanism's number of components and parts and the weight that participate in shearing motion have been reduced, to reduce the inertia value of cutting mechanism motion, the variable quantity of minimizing speed has improved the sensitive stability and the positioning accuracy of flying shearing machine cutting mechanisms, thereby improves the shearing quality of flying shearing machine.When the cataclasm rolled piece of needs, the double shear head is worked simultaneously with narrow cutting edge and wide cutting edge, and cataclasm length reduces and reduced the cataclasm time, has improved cataclasm effect, more effectively prevents to fly the steel accident.Under the prerequisite that does not influence serviceability, changed the labyrinth on this flying shearing machine place operation, reduced participating in the number of devices of work, thereby significantly reduced the economic expense on this operation, improved whole superiority.

It is worthy of note; protection domain of the present utility model is not limited to above-mentioned instantiation mode, and according to basic fundamental design of the present utility model, those of ordinary skills need not through creative work; the embodiment that can associate all belongs to this practical protection domain.

Claims

1. flying shearing machine comprise: reducing gear, cutting mechanism (6) and driving motor (1); It is characterized in that the output shaft of described driving motor (1) is connected with the power shaft of described reducing gear, described reducing gear is combined as a whole by output shaft and cutting mechanism; Described reducing gear is four gear reductions, comprising: high speed power shaft (2); The output shaft of described driving motor (1) is connected transferring power with high speed power shaft (2) by crown gear coupling, and described driving motor (1) comprises following output shaft (3), goes up output shaft (4) and middle axle of carrier pulley (5); Described high speed power shaft (2) meshes with following output shaft (3) and middle axle of carrier pulley (5) respectively, described middle axle of carrier pulley (5) and last output shaft (4) engagement; Described cutting mechanism (6) comprises haircut and following haircut, and described output shaft (3) down is connected with last haircut with the following haircut of cutting mechanism respectively with last output shaft (4), and then drives haircut and the rotation of last haircut down.

2. flying shearing machine according to claim 1 is characterized in that: be respectively arranged with two cutting edges on haircut and the following haircut on described.

3. flying shearing machine according to claim 2 is characterized in that: described two cutting edges are narrow cutting edge (8) and wide cutting edge (9).