CN201192739Y

CN201192739Y - Start-stop mode flying shears

Info

Publication number: CN201192739Y
Application number: CNU2008200803293U
Authority: CN
Inventors: 刘德金; 李克涵
Original assignee: Beijing Research Institute Of Metallurgical Equipment China Metallurgical Const
Current assignee: Beijing Metallurgical Equipment Research Design Institute Co Ltd
Priority date: 2008-04-30
Filing date: 2008-04-30
Publication date: 2009-02-11
Anticipated expiration: 2018-04-30

Abstract

The utility model provided a start-stop-mode flying shear used for shearing a steel section in a hot-rolling small-scale workshop, which is formed by mutually connecting a main motor, a cooling blower, a coupling, a flywheel, a flywheel clutch, a gear shaft, upper and lower gears, a case body, a base, an input shaft assembly, a middle shaft assembly, upper and lower crankshafts, upper and lower cutter bodies, upper and lower eccentric shafts and the like. The flying shear has the advantages that a pinion on the input shaft is engaged with a gearwheel on the middle shaft; a pinion on the middle shaft is engaged with a gearwheel on the lower crankshaft; the gearwheel on the lower crankshaft is engaged with the gear on the upper crankshaft; the device adopts a welded structure; the lower case body is fixed on the base; lower and middle cases are connected via bolts; and the main motor is fixed on the base. The device adopts a balance weight, therefore, the motor power and the failure rate are reduced, the service life is long, the shearing precision is high, and the operation is safe and reliable.

Description

A kind of start stop mode flying shearing machine

Technical field:

The utility model relates to the steel rolling equipment technical field, particularly relates to a kind of start stop mode flying shearing machine that are used for shaped steel crop, back-end crop, segmentation between the hot rolling compact car.

Background technology:

Existing flying shearing machine are commonly used two kinds of the continuous clutch type flying shearing machine of motor and motor start stop mode flying shearing machine.The clutch type flying shearing machine mainly by motor, shaft coupling, flywheel, pneumatic clutch, pneumatic braking device, flying shearing machine body (containing reductor), go up lower scissor handle, form near switch etc.Operation principle is to utilize pneumatic clutch, brake to realize shearing require continuous---start-stop, during work, and at first actuating motor and running continuously, motor runs up by shaft coupling, reductor, flywheel and clutch, when receiving shear signal, brake is opened, and clutch closes, drive flying shearing machine body gear and cut motion of handle realization shearing up and down, shearing finishes, and sends signal near switch, and throw-out-of clutch, brake close, the haircut braking is on the zero dead stop position undetermined.The advantage of this flying shearing machine is that power of motor is less, and energy consumption is little, low price, but sizing accuracy is restive, and accessory is changed frequently, maintenance is big, fault rate is high, is not suitable for high-speed production.Motor start stop mode flying shearing machine mainly by motor, shaft coupling, brake, flying shearing machine body (containing reductor), go up lower scissor handle, form near switch etc.This flying shearing machine operation principle is: when motor is in when awaiting orders on-position and receiving shear signal, brake is opened, and motor drives flying shearing machine body gear by shaft coupling, reductor and goes up the lower scissor handle running and realize shearing.Shearing finishes, and sends signal near switch, motor braking, brake braking, and haircut slows down and stops, open with rear brake, the motor low speed and reverse drives counter the climbing of haircut low speed, up to sending signal near switch, motor braking, first-class the treating in haircut zero dead stop position undetermined sheared next time.The advantage of this flying shearing machine is sizing accuracy height, and accelerator angle is big during high speed shear, and velocity perturbation is little, safeguards easily that simply reliable operation is applicable to high-speed production.The shortcoming of these flying shearing machine is motor performance index request height, and power is bigger, and energy consumption is big, the manufacturing expense height.

Summary of the invention:

The purpose of this utility model provides that a kind of energy consumption is low, lumber recovery is high, the start stop mode flying shearing machine that equipment failure rate is little, safe and reliable, be used for shaped steel crop, back-end crop, segmentation between the hot rolling compact car.Technical solution of the present utility model is achieved in that provides a kind of start stop mode flying shearing machine that are used for shaped steel crop, back-end crop, segmentation between the hot rolling compact car, it mainly by interconnective main motor, cooling blower, shaft coupling, flywheel, flywheel clutch, gear shaft, go up lower gear, casing, base, power shaft assembling, jackshaft assembling, up and down bent axle, up and down eccentric shaft, form near switch, encoder, lubricating arrangement etc.Feature is the gear wheel engagement at the pinion of power shaft fit on and jackshaft fit on, the pinion of jackshaft fit on is meshed with gear wheel on the following bent axle, the power shaft assembling all is located on the same line with the axial line of following bent axle, gear wheel on the following bent axle is meshed with gear on the last bent axle, last lower knife body one end is hingedly fixed on the bent axle up and down of flying shear body, the other end is fixed on the eccentric shaft up and down of the loam cake of flying shear body and lower box by rod hinge connection, the flying shearing machine body is a Welding Structure, lower box is fixed on the base, nowel is connected by bolt with loam cake with raising middle flask, main motor is fixedly connected on the base, and base is fixedly connected on the ground; Feature is that also flywheel clutch is the jaw clutch of band tapering; In the outside of bent axle, the inside connecting portion of cutter hub is placed the oil catch circle; On upper and lower bent axle, have balance weight with bolting.

Implementation result of the present utility model is: because reductor is with the flying shear body is integrated, power shaft assembles and the axis of following bent axle is located along the same line; Cutting system has an end to adopt eccentric shaft to fix, also disposed balance weight, can reduce centrifugal force, inertia and vibrations, make power of motor little, accident rate is low, and shearing condition is good, the flying shear high life, the implementation structure compactness, safe and reliable, not only satisfy rolling requirement but also improved the milling train operating efficiency.

Description of drawings:

Fig. 1 is the front view of a kind of start stop mode flying shearing machine of the utility model embodiment

Fig. 2 is that the A of Fig. 1 is to view (vertical view of Fig. 1)

Fig. 3 is that the B of Fig. 1 is to view (left view of Fig. 1)

Fig. 4 is the C-C cutaway view of Fig. 3

Fig. 5 is the D-D cutaway view of Fig. 3

Fig. 6 is the K portion enlarged drawing of Fig. 5

In the accompanying drawing: 1. lower link; 2. play bent axle; 3. lower knife body; 4. cutting mechanism; 5. guide groove; 6. upper knife body; 7. go up connecting rod; 8. go up bent axle; 9. venting plug; 10. near switch; 11. flying shear body; 12. lubricating arrangement; 13. flywheel; 14. flywheel clutch; 15. shaft coupling; 16. cooling blower motor; 17. main motor; 18. dynamical system; 19. base; 20. encoder; 21. oil catch circle; 22. pinion shaft; 23. gear wheel; 24. gear shaft; 25. lower gear; 26. cog; 27. power shaft assembling; 28. jackshaft assembling; 29. blade; 30. loam cake; 31. raising middle flask; 32. nowel; 33. last eccentric shaft; 34. following eccentric shaft; 35. axle sleeve; 36. positioning sleeve; 37. gland; 38. end cap; 39. balance weight.

The specific embodiment:

Below in conjunction with accompanying drawing the utility model embodiment is described in further detail:

Fig. 1, Fig. 2, Fig. 3 is respectively the front view of the utility model embodiment, vertical view, left view, Fig. 4 is the C-C cutaway view of Fig. 3, Fig. 5 is the D-D cutaway view of Fig. 3, Fig. 6 is the K portion enlarged drawing of Fig. 5, in accompanying drawing 1～accompanying drawing 6, present embodiment mainly is by interconnective main motor 17, shaft coupling 15, flywheel 13, flywheel clutch 14,

gear shaft

22,24, last

lower gear

26,25,

casing

30,31,32, base 19, power shaft assembling 27, jackshaft assembling 28, bent axle 8 up and down, 2, eccentric shaft 33 up and down, 34 compositions such as grade, feature is that the pinion 22 in the power shaft assembling 27 meshes with the gear wheel 23 that jackshaft assembles on 28, pinion 24 in the jackshaft assembling 28 is meshed with the gear wheel 25 on the following bent axle 2, gear wheel 25 on the following bent axle 2 is meshed with gear 26 on the last bent axle 8, last, following bent axle 8, have balance weight on 2, flywheel clutch 14 is jaw clutches of band tapering, at bent axle 8 up and down, 2 outside and last lower knife body 6, oil catch circle 21 is placed in 3 inside, whole flying shear is by controlling near switch 10 and encoder 20, shearing machine body 11 and dynamical system 18 are fixed by bolts on the base 19, and cutting system 4 has been placed oil catch circle 21 at the connecting portion of bent axle and cutter hub.

This mechanism can be divided into three parts: cutting mechanism 4, flying shear body 11 and dynamical system 18, cutting system 4 is by last

lower knife body

6,3 form, this system is a toggle, the one end is hingedly fixed in the bent axle up and down 8 of flying shear body 11, on 2, the other end is by upper and

lower strut

1,7 are hingedly fixed in the eccentric shaft up and down 33 of flying shear body 11 loam cakes 30 lower boxes 32, on 34, the last lower knife body 6 of cutting system 4,3 mainly by blade 29, upper and

lower strut

7,1, back-up ring 21, axle sleeve 35,

plate washer

36,37, stifle 38 is formed, blade 29, stifle 38 is fixed by bolts to lower knife body 6, on 3, plate washer 37 is fixed by bolts to bent axle 8 up and down, on 2, last

lower knife body

6,3 with upper and

lower strut

7,1 is articulated and connected; Flying shear body 11 is mainly by bent axle assembling 8 up and down, 2, guide groove 5, venting plug 9, near switch 10, lubricating arrangement 12, input gear shaft 22, gear wheel 23, countershaft-gear 24, following gear wheel 25, last gear wheel 26, power shaft assembling 27, jackshaft assembling 28, loam cake 30, raising middle flask 31, nowel 32,

eccentric shaft

33,34, balance weight 39, guide groove 5 is formed, flying shear body 11 is fixed by bolts on the base 19, base 19 usefulness foundation bolts are fixed on the ground, be fixed by bolts on the flying shear body 11 near switch 10, balance weight 39 is fixed by bolts to bent axle assembling 2, on 8, loam cake 30 and raising middle flask 31, raising middle flask 31 is connected and fixed with nowel 32 usefulness bolts, lubricating arrangement 12 is taken over outer lubricating system and is connected with bolt, gear, gear shaft, bent axle is supported on loam cake 30, raising middle flask 31, on the nowel 32; Dynamical system 18 mainly is made up of flywheel 13, flywheel clutch 14, shaft coupling 15, cooling blower motor 16, main motor 17, encoder 20, dynamical system 18 is fixed by bolts on the base 19, clutch 14 usefulness bolts are fastened on the flywheel 13, flywheel 13 is contained on the input pinion shaft 22, shaft coupling 15 connects input pinion shaft 22 and main motor 17, and cooling blower motor 16 usefulness bolts are fastened on the main motor 17.

Shearing mechanism is as follows: start motor, drive pinion shaft 22 rotations by shaft coupling, pass motion to and cog 26 by gear wheel 23, gear shaft 24, lower gear 25, drive upward

lower knife body

6,3 realizations by toggle workpiece is sheared, by the various shearing functions of control motor rotation realization; The automatic control of flying shearing machine and dynamical system are by the PLC programme-control; This machine can adopt automatic, manual two kinds of control modes, by the automation mechanized operation of the full rolling line of the chain realization of program; Cutting edge is opened when not shearing, and is parked on the position a certain to be cut of appointment, and it is normally rolling not influence milling train; Start flying shear during shearing, the rotating closed realization of cutting edge is sheared; Under the accident condition, handle cataclasm shearing manually, guarantee the unlikely damage of rolling line equipment; Blade adopts the anti-collision auxiliary-blade, has guaranteed the security of shearing.

Claims

1. one kind is used for shaped steel crop between the hot rolling compact car, back-end crop, the start stop mode flying shearing machine of segmentation, it is mainly by interconnective main motor (17), cooling blower (16), shaft coupling (15), flywheel (13), flywheel clutch (14), gear shaft (22,24), last lower gear (26,25), casing (30,31,32), base (19), power shaft assembling (27), jackshaft assembling (28), bent axle (8 up and down, 2), last lower knife body (6,3), eccentric shaft (33 up and down, 34), near switch (10), encoder (20), lubricating arrangement (12) is formed, feature is to mesh at the gear wheel (23) that pinion (22) in the power shaft assembling (27) and jackshaft assemble on (28), pinion (24) in the jackshaft assembling (28) is meshed with the gear wheel (25) on the following bent axle (2), power shaft assembling (27) all is located on the same line with the axial line of following bent axle (2), gear wheel (25) on the following bent axle (2) is meshed with gear (26) on the last bent axle (8), last lower knife body (6,3) end is hingedly fixed in the bent axle up and down (8 of flying shear body (11), 2) on, the other end is by connecting rod (1,7) be hingedly fixed in the loam cake (30) of flying shear body (11) and the eccentric shaft up and down (33 of lower box (32), 34) on, flying shearing machine body (11) is a Welding Structure, lower box (32) is fixed on the base (19), nowel (32) is connected by bolt with loam cake (30) with raising middle flask (31), main motor (17) is fixedly connected on the base (19), and base (19) is fixedly connected on the ground.

2. a kind of start stop mode flying shearing machine according to claim 1, feature is: flywheel clutch (14) is the jaw clutch of band tapering.

3. a kind of start stop mode flying shearing machine according to claim 1, feature are in the outside of bent axle (8,2), and the inside connecting portion of cutter hub (6,3) is placed oil catch circle (21).

4. a kind of start stop mode flying shearing machine according to claim 1, feature are the balance weights (39) that has on upper and lower bent axle (8,2) with bolting.