CN2040028U - Progressive swing flying-shear - Google Patents
Progressive swing flying-shear Download PDFInfo
- Publication number
- CN2040028U CN2040028U CN 88213411 CN88213411U CN2040028U CN 2040028 U CN2040028 U CN 2040028U CN 88213411 CN88213411 CN 88213411 CN 88213411 U CN88213411 U CN 88213411U CN 2040028 U CN2040028 U CN 2040028U
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- CN
- China
- Prior art keywords
- stepping
- cylinder
- progressive
- upper slitter
- shearing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model relates to a progressive shearing swing flying shear, in particular suitable for match using with a continuous casting machine. The utility model is characterized in that a regulation device of the aperture width degree of an upper knife comprising a gas cylinder, an inclined wedge and a bracket is positioned between an accuracy block and an upper knife bench. The lower portion of the lower bench is equipped with a progressive mechanism comprising a return hydraulic cylinder under the swing frame intermediate transverse girder above the rail of the lower knife bench and also a progressive hydraulic cylinder on the lower portion of the lower knife bench; the progressive mechanism can realize progressive shearing. The regulation of the aperture width degree of the upper knife is realized; the working rate and the shearing quality of the shearing machine are improved; the service life of the blade is prolonged; the crank radius, the force moment and the motor capacity are reduced and also the investment is reduced.
Description
The utility model relates to a kind of stepping and shears the swing type flying shear, is particularly suitable for and the supporting use of conticaster.
Present swing type flying shear mainly contains transmission main shaft list off-centre and two off-centre two kinds, their common feature all is that the swinging axle of swing span is coaxial with transmission main shaft, general shear all moves along shear direction with the upper slitter platform, descending blade like this is can not be away from the lower surface that is sheared material before shearing, and following blade is sheared the influence of material at high temperature easily and softens.Japan June 6 nineteen eighty-three disclosed clear 58-94909 technology, though can solve above-mentioned shortcoming, but the throw of crankshaft of its transmission main shaft is with cutter platform stroke (opening degree) is relevant up and down, its driving torque and drive motor capacity are bigger, and be particularly all the more so above the large-scale cutter more than 10,000,000 Ns in shearing force.
The purpose of this utility model is in order to overcome above-mentioned shortcoming, to reduce the capacity and the investment of drive motor, improving the operating rate of shearing quality and flying shear.
For achieving the above object, the utility model proposes a kind of stepping and shear rocking fly shears, comprise by swing span, transmission main shaft, connecting rod, boss, upper slitter platform, the cutter platform is formed down, it is characterized in that: a, between boss and upper slitter platform, be provided with the upper slitter opening degree adjusting device of forming by cylinder, wedge and carriage; B, be provided with the stepping mechanism of realizing that the backhaul hydraulic cylinder by below the stepping cylinder of Xia Daotai bottom and the swing span intermediate transverse girder above the Xia Daotai guide rail that stepping is sheared is formed in the Xia Daotai bottom.
The whole flying shear body of the utility model is suspended on the bearing block above the support by transmission main shaft, upper slitter platform, boss and down the cutter platform can on the guide rail of swing span, move up and down.Swing span by bearing suspension on transmission main shaft.At the middle part of transmission main shaft is that radius is the crank of e, and with rod hinge connection, the lower end and the boss of connecting rod are hinged.Between boss and upper slitter platform, be provided with upper slitter opening degree adjusting device, this device is made up of cylinder, wedge, carriage, the cylinder body of mediate two and routine cylinder is fixed on carriage and the upper slitter platform with screw, the piston rod end of cylinder is fastened on the wedge with screw, make the ramp and the sliding-contact of boss lower inclined plane of wedge, two carriages are fastened on the front and back side of upper slitter platform respectively with screw, the upper surface of two carriages and the upper surface of upper slitter platform are on the same horizontal plane.The weight of upper slitter platform, upper slitter opening degree adjusting device, boss and connecting rod is come balance by the balance hydraulic cylinder that is installed in the swing span both sides, eliminates the gap, prevents shock loading.
The stepping mechanism that the realization stepping is sheared is made up of the backhaul hydraulic cylinder below the stepping cylinder of Xia Daotai bottom and the swing span intermediate transverse girder above the Xia Daotai guide rail.The cylinder body of stepping cylinder is fixed on by screw in the square hole of swing span bottom, and hydraulic stem is fixed on down cutter platform bottom by connecting ring with screw.The cylinder body of backhaul hydraulic cylinder is below the swing span intermediate transverse girder of ball-joint above the Xia Daotai guide rail, and the hydraulic stem of backhaul hydraulic cylinder withstands on down on the ball ring of cutter platform external part.
Can realize stepping shearing and the adjusting of upper slitter opening degree by above-mentioned Technological improvement plan.Owing to adopted upper slitter opening degree adjusting device, make the throw of crankshaft e of transmission main shaft not be subjected to the influence of opening degree, thereby can reduce the throw of crankshaft e of transmission main shaft, reduce the capacity of moment and drive motor, both made when shearing force is very big, still can use three-phase alternating-current motor to drive transmission main shaft, reduce equipment investment than low capacity.Can regulate opening degree arbitrarily according to the thickness that is sheared material in addition, thereby improve the operating rate of cutter.Owing to be provided with the stepping mechanism of realizing that stepping is sheared, when being sheared material, can make bottom knife away from being sheared material by bottom knife, reduced the influence of heat radiation to bottom knife, improved the life-span and the shearing quality of bottom knife.
Description of drawings:
Fig. 1 is the front view that the swing type flying shear is sheared in stepping.
Fig. 2 is the cutaway view of the A-A of Fig. 1.
Fig. 3 is the stepping cylinder installation drawing.
Wherein 1 is transmission main shaft, and 2 is connecting rod, and 3 is support, and 4 is boss, 5 is cylinder, and 6 is carriage, and 7 is the upper slitter platform, 8 is stepping cylinder, and 9 are following cutter platform, and 10 are the backhaul hydraulic cylinder, 11 is balance hydraulic cylinder, and 12 is wedge, and 13 is swing span, 14 is bearing block, and 15 is ball ring, and 16 is half-round clamping ring, 17 is connecting ring, and 18 is hydraulic stem, and 19 is connecting plate.
Be described in detail the utility model below in conjunction with as shown in the figure embodiment.
As mentioned above, the whole flying shear body of the utility model is suspended on the bearing block 14 of support 3 by transmission main shaft 1, swing span 13 also is suspended on the transmission main shaft 1 by bearing, the middle part of transmission main shaft 1 is that radius is the crank of e, hinged with connecting rod 2, the lower end of connecting rod 2 and boss 4 are hinged, and upper slitter opening degree adjusting device is located between boss 4 and the upper slitter platform 7, and upper slitter opening degree adjusting device is made up of cylinder 5, wedge 12 and carriage 6.Carriage 6 usefulness screws are fixed on upper slitter platform front and back side, the upper surface of carriage 6 and the upper surface of upper slitter platform are in the same horizontal plane, and then be fixed on carriage 6 and the upper slitter platform 7 with the cylinder body of cylinder 5 of screw with two and example, the piston rod of cylinder 5 packed in the hole of wedge 12 and fastening, make the ramp of wedge 12 and the lower inclined plane of boss 4 carry out sliding-contact with nut.The weight of upper slitter platform 7, upper slitter opening degree adjusting device, boss 4, connecting rod 2 is come balance by the balance hydraulic cylinder 11 that is installed in swing span 13 both sides.
The stepping mechanism that the realization stepping is sheared is made up of stepping cylinder 8 and backhaul hydraulic cylinder 10.Stepping cylinder 8 is contained in down the bottom of cutter platform, the cylinder body of stepping cylinder 8 is fixed in the square hole of swing span 13 bottoms with screw by connecting plate 19, ball ring 15 on the circular convex of the sphere termination of hydraulic stem 18 below being enclosed within down the cutter platform contacts, be stuck in the groove on the hydraulic stem 18 with two and half garden snap rings 16, and then connecting ring 19 be fixed on down on the cutter platform 9 with screw.
The course of action of stepping shearing swing type flying shear is as follows: after transmission main shaft 1 was driven in rotation, by upper slitter opening degree adjusting device, stepping mechanism and swing span 13 were realized swing and stepping shearing.When flying shear is in the position of preparing shearing, after providing shear signal, the piston rod of cylinder 5 promotes wedge 12 rapidly, upper slitter platform 7 is descended, meanwhile, stepping cylinder 8 promotes down, and cutter platform 9 rises, when blade up and down block be sheared material after, be sheared material and both promoted swing span 13, make swing span 13 produce a pivot angle, the speed of swing span 13 swings is identical with the pace that is sheared material, under the effect of shearing force, the back pressure of the hydraulic cavities of the stepping cylinder 8 under the cutter platform 9 is raise, closed the unidirectional non-return valve that communicates with hydraulic system, make down 9 stop motions of cutter platform, because the joint of clutch in the transmission system, transmission main shaft 1 is driven, utilize connecting rod 2 and shear for the descending stroke of the crank of e at transmission main shaft 1 middle part radius, owing to cutter platform 9 stop motions down, so each descending stroke of crank equals cutting stroke, its numerical value is 2e.In the process that rises at connecting rod 2, because shearing force disappears, the back pressure of the stepping cylinder 8 of stepping mechanism reduces, then unidirectional non-return valve is opened automatically, and to the hydraulic cavities feed flow of stepping cylinder 8, cutter platform 9 is being held in the palm be sheared material, rise synchronously immediately following upper slitter platform 7, promptly the blade card sees that being sheared material rises together up and down, when the stroke that rises is 2e, following cutter platform 9 stop motions are under transmission main shaft 1 fast rotational, through repeatedly repeatedly, the realization stepping is sheared, till cut-out is sheared material, give returned signal then, Xia Daotai is resetted.
Claims (1)
- The swing type flying shear is sheared in the matching used stepping of a kind of and conticaster, comprises by swing span, transmission main shaft, connecting rod, boss, upper slitter platform, following cutter platform being formed, and it is characterized in that:A, between boss and upper slitter platform, be provided with the upper slitter opening degree adjusting device of forming by cylinder, wedge and carriage;B, be provided with the stepping mechanism of realizing that the backhaul hydraulic cylinder by below the stepping cylinder of Xia Daotai bottom and the swing span intermediate transverse girder above the Xia Daotai guide rail that stepping is sheared is formed in the Xia Daotai bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 88213411 CN2040028U (en) | 1988-09-20 | 1988-09-20 | Progressive swing flying-shear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 88213411 CN2040028U (en) | 1988-09-20 | 1988-09-20 | Progressive swing flying-shear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2040028U true CN2040028U (en) | 1989-06-28 |
Family
ID=4846530
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 88213411 Withdrawn CN2040028U (en) | 1988-09-20 | 1988-09-20 | Progressive swing flying-shear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2040028U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1314507C (en) * | 2002-09-19 | 2007-05-09 | 中国第二重型机械集团公司 | High-speed flying shear for plate and band material |
| CN114309776A (en) * | 2022-01-04 | 2022-04-12 | 中冶南方工程技术有限公司 | Single-crankshaft flying shear |
-
1988
- 1988-09-20 CN CN 88213411 patent/CN2040028U/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1314507C (en) * | 2002-09-19 | 2007-05-09 | 中国第二重型机械集团公司 | High-speed flying shear for plate and band material |
| CN114309776A (en) * | 2022-01-04 | 2022-04-12 | 中冶南方工程技术有限公司 | Single-crankshaft flying shear |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |