CN101417354A - Double-crank frame type flying shears - Google Patents

Double-crank frame type flying shears Download PDF

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Publication number
CN101417354A
CN101417354A CNA2008102367382A CN200810236738A CN101417354A CN 101417354 A CN101417354 A CN 101417354A CN A2008102367382 A CNA2008102367382 A CN A2008102367382A CN 200810236738 A CN200810236738 A CN 200810236738A CN 101417354 A CN101417354 A CN 101417354A
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China
Prior art keywords
tool rest
cutter head
upper cutter
double
shear
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Pending
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CNA2008102367382A
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Chinese (zh)
Inventor
刘海昌
刘洋
马卫平
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Individual
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Individual
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Priority to CNA2008102367382A priority Critical patent/CN101417354A/en
Publication of CN101417354A publication Critical patent/CN101417354A/en
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Abstract

The invention discloses a kind of double-crank frame type flying shears, it is cold for black and non-ferrous metal to be mainly used in metallurgy industry, tropocal wood carries out the crosscut production line that continuous synchronization is sheared, the present invention drives decelerator and gear distribution box by the transmission of motor, drive two bent axles of shear, tool rest is done plane motion about driving, when not only the plane motion about not only can be finished the shearing motion rolled piece up and down but assurance be synchronized with the movement, it is lighter to have weight, delicate structure is simple, and the intensity height is adjusted flexible, be easy to make and maintenance, otch is straight, and shear rate is fast, plurality of advantages such as shear precision height.

Description

Double-crank frame type flying shears
Technical field
The present invention discloses a kind of novel double-crank frame type flying shear, is mainly used in metallurgy industry and carries out the crosscut production line that continuous synchronization is sheared for black (with coloured) metal fever, cold drawing band.
Background technology
Flying shearing machine are meant lateral shear motion rolled piece, and can cut into the cutter of cut lengths.It not only will satisfy the requirement of various cut lengths, and will satisfy the shear precision requirement, satisfies the requirement of production line productivity ratio.
Introduced from the seventies in last century since the technology of modern strip material continuous rolling, in the large-scale iron and steel enterprise of China, flying shearing machine always are one of visual plant of introduction.Along with fast development of national economy, the demand of black (with coloured) metal fever, cold-strip is also growing, it is also more and more higher that customer requirements improves the requirement of unit operation speed and production capacity, because flying shearing machine are with high content of technology, so its price is high, so the heat of domestic production, cold-rolled plate and strip cutting production line generally use quiet cutting, promptly band under static state carries out the cutter of cutting to length.Its shear history each time is: start and quicken---stable operation---retarding braking---shearing.Compare with flying shearing machine, quiet shearing machine group speed is low, and production efficiency is low, and benefit is low.Generally using quiet cutting, is the significant wastage to resource.
Chinese invention patent 200610018285.7 flying shears provide a kind of novel single crank reciprocated flying shear, overcome existing flying shear structure and complicated movement, manufacturing cost height, troublesome shortcoming.
Its technical scheme is: a kind of single crank reciprocated flying shear, it includes power set, transmission device and shear, shear includes frame, following cutter and seat, upper slitter and seat and drive be a cutter and a crank that moves down, and it is characterized in that: described frame is divided into fixed frame and moving frame, is connected for sliding or rolling between fixed frame and moving frame, moving frame by slide or rolling with respect to moving back and forth about fixed frame; Place the box-shaped sleeve in the moving frame, is connected for sliding or rolling between moving frame and box-shaped sleeve, the box-shaped sleeve pumps with respect to moving frame by slip or rolling; Upper slitter and seat and following cutter and seat are installed in respectively on one of moving frame or box-shaped sleeve, and the edge of a knife of upper slitter and seat and following cutter and seat is meshed; A crank axle is equipped with in the central authorities of box-shaped sleeve, and crank axle is connected with power set by transmission device.
The transmission of this invention by servomotor drives the single crankshaft rotation in the box-shaped sleeve, thereby driving the box-shaped sleeve does in moving frame in vertical up and down the moving, drive moving frame again and in fixed frame, do the left and right horizontal rectilinear motion, said structure can realize that then the linear velocity of two blades when relative motion is synchronous up and down, drag by electric again, can make shear rate and the ribbon motion speed of flying shear in the share zone reach synchronous.
Summary of the invention
The purpose of this invention is to provide a kind of novel double-crank frame type flying shears, shear adopts the double-crank structure, and physical dimension is little, and is in light weight, and power of motor is little.Drive cutting mechanism by gear distribution box, realize the simple in structure of shearing, be easy to make and maintenance.
Technical scheme of the present invention is: a kind of double-crank frame type flying shears, it includes power set, transmission device and shear, shear comprises fixedly support, bottom knife reaches tool rest down, cutter and upper cutter head, between upper cutter head and following tool rest straight-line guider is arranged, it is characterized in that: on, following tool rest is installed in respectively on upper cutter head bent axle and the following tool rest bent axle, upper cutter head bent axle and following tool rest bent axle are by No. 1 shaft coupling, No. 2 shaft coupling is connected with power set with gear distribution box, power set are by decelerator or be directly connected to gear distribution box, two output shafts of gear distribution box drive respectively, the bent axle of following tool rest, on two crank axles drive, following tool rest, finish the shearing of flying shearing machine and be synchronized with the movement, on, the bent axle of following tool rest is supported on fixedly on the support.
Under the driving of crank axle, the blade on the tool rest produces two circular motion tracks respectively up and down, and said structure can be finished shearing and can keep being synchronized with the movement with the motion rolled piece again under the drive of motor.
Aforesaid double-crank frame type flying shears, it is characterized in that: in the described shear, upper cutter head and following tool rest can be finished shearing, 1 in two ways) upper cutter head is that tool rest is a box-beam structure under the frame structure, 2) upper cutter head is that tool rest is a frame structure under the box-beam structure.
Aforesaid double-crank frame type flying shears is characterized in that: a side of the guider between upper cutter head and following tool rest is equipped with the slideway clearance adjustment mechanism, and the slideway lash adjusting device is a Wedge mechanism.The motion of Wedge mechanism both can be also can be worm drive by hydraulic pressure, pneumatic gearing, and it is used for the adjustment in slideway gap.
Aforesaid double-crank frame type flying shears is characterized in that: gear distribution box is equipped with the gear clearance adjusting device, and it is an eccentric adjusting sleeve mechanism.When adjusting eccentric adjusting sleeve, just can adjust the backlash between the train in the whole gear distribution box, the gap that this structure both can remedy processing and manufacturing also can remedy the gap that wearing and tearing cause, reduce the rotary inertia of transmission system simultaneously, can guarantee the stable operation of shearing and the precision of scale again
Aforesaid double-crank frame type flying shears is characterized in that: bottom knife seat and bottom knife lash adjusting device, blade clearance adjusting device are the Wedge mechanism of oppositely installing, and the driving of this wedge guiding mechanism is hydraulic pressure or pneumatic gearing or screw mechanism.
The present invention's special structural design, double freedom cutting mechanism of a driving member drive by the motor transmission is finished definite motion, motor drives two crank axles up and down of shear by decelerator driven wheel distributor box, thereby the drive two ends are the upper cutter head of framework (contains cutter, upper slitter seat-box beam and slideway lash adjusting device) and place the following tool rest (containing bottom knife and following tool rest case beam and blade adjusting device) in the framework to finish the motion of sealing track, promptly go up, the running orbit of bottom knife all is circular motion, on, following tool rest two ends form the sliding motion pair by the slideway of guiding, gap between two kinematic pairs is adjusted with the slideway lash adjusting device, the gear distribution box of transmission device and decelerator, adopt gear clearance adjusting device and major-minor gear mechanism to carry out gear side gap adjustment between the train respectively, gap between the last bottom knife relies on blade clearance adjusting device to adjust, making comprehensive adjustment the in above-mentioned three kinds of gaps is existing independently adjustment separately, the adjustment of interrelated relation is arranged again, the relation of adjustment is understood and is easy to use, both can satisfy finishing of shearing motion, guarantee simultaneously shear precision again, last bottom knife is plane motion, can finish synchronous shearing, guarantee the straight quality of shearing area the motion rolled piece.
Advantage of the present invention
(1) realizes the simple in structure of shearing, drive cutting mechanism by gear distribution box.Be easy to make and maintenance.
(2) between the upper and lower tool rest sliding pair and three kinds of gaps between the upper and lower blade in transmission device, the shear, can carry out conveniently, accurately adjust, can overcome by making and wearing and tearing a series of problems that produce.
(3) shear adopts the double-crank structure, and physical dimension is little, and is in light weight.Power of motor is little.
(4) upper and lower blade is plane motion, and the rolled piece otch is straight, no angle.
(5) shear rate is fast, the shear precision height.
Description of drawings
Fig. 1: the double-crank frame type flying shear transmission schematic diagram of the embodiment of the invention.
Fig. 2: the J that is Fig. 1 is to partial view.
Fig. 3: the K that is Fig. 1 is to partial view.
Fig. 4: be the schematic diagram that decelerator among Fig. 1 has broken section.
Fig. 5: blade movement track schematic diagram up and down.
The specific embodiment
The explanation of mark among Fig. 1: 1, No. 1 shaft coupling 2 of motor, 3, No. 2 shaft couplings 4 of decelerator, gear distribution box 5, fixedly support 6, following tool rest 7, encoder 8, upper cutter head 9, blade clearance adjusting device 10.
The explanation of mark among Fig. 2: slideway lash adjusting device 11, upper cutter head bent axle 12, following tool rest bent axle 13, cutter 16, bottom knife 17.
The explanation of mark among Fig. 3: gear distribution box gear clearance adjusting device 14.
The explanation of mark among Fig. 4: major-minor gear mechanism 15.
By Fig. 1, Fig. 2, Fig. 3, Fig. 4 as can be known, the double-crank frame type flying shears of the embodiment of the invention, mainly be by 1, No. 1 shaft coupling 2 of motor, 3, No. 2 shaft couplings 4 of decelerator, gear distribution box 5, fixedly support 6, tool rest 7, slideway lash adjusting device 11, upper cutter head 9, blade clearance adjusting device 10, upper cutter head bent axle 12, tool rest bent axle 13 down down, gear distribution gear lash adjusting device 14, decelerator major-minor gear mechanism 15, encoder 8 parts such as grade are formed.
The double-crank frame type flying shear of the embodiment of the invention is to drive the rotation of two crank axles of tool rest up and down by motor 1 by transmission mechanism as shown in Figure 5, thereby drive associated components (upper cutter head and cutter, following tool rest and bottom knife etc.) relative motion, form up and down two blades and all do the motion of closed circular track, thereby finish synchronously and shear.
The double-crank frame type flying shear of the embodiment of the invention, linear velocity is finished synchronously to shear and has been adopted subordinate's special construction when making up and down two blade relative motions, and its structural feature is for described down:
(1) upper cutter head
Referring to Fig. 1 and Fig. 2.Upper cutter head 9 is monolithic constructions that end frame shelf structure, intermediate box girder construction are welded together, this framework is enclosed or open-frame structure, framework upper end, two ends is the bearing block of upper cutter head bent axle 12, upper cutter head 9 is installed on the upper cutter head bent axle 12, the slideway of upper cutter head 9 by the inboard of two ends framework and slide plate outside following tool rest 7 two ends formation kinematic pair that is bound up, upper and lower tool rest forms the plane motion of determining under the driving of upper and lower bent axle, the blade movement locus of last bottom knife is the closed circle track, finishes and shears synchronous function.Upper cutter head framework one side is equipped with slideway clearance adjustment mechanism 11, and when regulating the bolt rotation, the adjustment wedge moves up and down the slideway gap is adjusted, and opposite side is a ground way.
Two heel posts of the framework of upper cutter head 9 are box-beam structures, or ㄇ shape structure, and following end floor beam and two columns connect, and upper cutter head two ends framework links together with channel-section steel, has increased the rigidity of framework.The two ends framework had both been born the side force in shearing and the motion process, also the slide plate with following tool rest 7 two ends constitutes kinematic pair, one side of upright of frame inboard, two ends installs and fixes slideway, opposite side is installed adjustable slideway, the two ends slideway constitutes the sliding motion pair with the slide plate at following tool rest two ends, last, under following tool rest crank axle 12 and 13 the drive, make and be installed in, on on the following tool rest, bottom knife 16 and the 17 definite motions that produce relative closed circle track, framework installed inside slideway lash adjusting device 11 is Wedge mechanisms, the motion of Wedge mechanism both can be by hydraulic pressure, pneumatic gearing also can be worm drive, and it is used for the adjustment in slideway gap.
Shear of the present invention tool rest 9 and 7 up and down can be finished shearing in two ways, 1) upper cutter head 9 is that tool rest 7 is box-beam structure under the frame structure, 2) upper cutter head 9 is that tool rest 7 is frame structure under the box-beam structure, and what present embodiment adopted is 1) upper cutter head 9 is box-beam structure for tool rest under the frame structure 7.But those skilled in the art person adopts 2 by thought of the invention process) equally also can reach the main effect of present embodiment.2) be 1) equivalent.
(2) tool rest under
Referring to Fig. 1 and Fig. 2.Following tool rest 7 is the box-beam structure of integral solder, be installed in down on the tool rest crank axle 13, following tool rest places among the upper cutter head 9 enclosed frameworks, the slideway that slide plate and framework inboard, upper cutter head 9 two ends are installed in the outside, two ends constitutes kinematic pair, on the following tool rest 7 bottom knife 17 is installed, bottom knife seat and blade clearance adjusting device 10, blade clearance adjusting device 10 is the wedge guiding mechanism of oppositely installing, when regulating the bolt rotation, two wedges oppositely move, parallel mobile drive two blades of bottom knife seat are also parallel to be moved thereby make, the depth of parallelism of bottom knife 17 remains unchanged in mobile adjustment process, the crank axle 12 and 13 of tool rest is installed in fixedly on the support 6 up and down, the crank axle 12 of tool rest and 13 constitutes double-crank mechanism up and down, finish definite motion under the tool rest crank-driven up and down, following tool rest case beam is a monolithic construction, the high easy installation and removal of mechanism's simple strength.
Blade clearance adjusting device 10 is used for the parallel adjustment in gap between the upper and lower blade, the driving of this wedge guiding mechanism can be hydraulic pressure, pneumatic gearing, it also can be screw mechanism, the adjustment in itself and slideway gap is complementary, in order to finishing of the action of guarantee shearing, the whole box-beam structure of following tool rest is simple, intensity is high, and installing/dismounting is easy, and manufacturing processing is simple relatively.
(3) gear distribution box and decelerator
Referring to Fig. 1 and Fig. 3.Gear distribution box 5 is divided into two driving shafts by middle two idle pulleys with motion and drives the crank axle 12 and 13 of tool rest up and down respectively, gear clearance adjusting device 14 is installed on two idler shafts, rotation regulate eccentric adjusting sleeve just can the adjusting gear distributor box in backlash between the train, (see figure 4) is finished with major-minor gear mechanism 15 in gear side gap in the decelerator, whole drive system is owing to the backlash that processing and manufacturing and wearing and tearing produced all can effectively be adjusted, guarantee stable drive in shear history, the shear precision height.
The gear distribution box 5 of described transmission device is the drive disk assembly of two outputs of an input, the output shaft coupling of power shaft and decelerator 3, slowspeed machine also can be directly and the power shaft of gear distribution box connect, gear distribution box 5 is equipped with gear clearance adjusting device 14, it is an eccentric adjusting sleeve mechanism, when adjusting eccentric adjusting sleeve, just can adjust the backlash between the train in the whole gear distribution box, the gap that this structure both can remedy processing and manufacturing also can remedy the gap that wearing and tearing cause, reduce the rotary inertia of transmission system simultaneously, can guarantee the stable operation of shearing and the precision of scale again, decelerator 3 mainly be reduce that motor speed makes it and bent axle between speeds match, decelerator 3 adopts major-minor gear mechanism 15, is used for regulating the gear side gap of decelerator, dynamic performance when improving the flying shearing machine operation.
The present invention compares with existing single axle flying shear, and is simple in structure, easy to adjust, equally can be to the band in the high-speed cruising Carry out synchronous shear. If consider the crosscut production line of this flying shear of a configuration of every production, just can save at least three or above The equipment and materials such as the former quiet steel of cutting apparatus for production line manufacturing usefulness, electrical control, corresponding land use area and mill construction Deng social resources. Comprehensive benefit is remarkable.

Claims (5)

1, a kind of double-crank frame type flying shears, it includes power set, transmission device and shear, shear comprises fixedly support (6), bottom knife (17) reaches tool rest (7) down, cutter (16) and upper cutter head (9), between upper cutter head and following tool rest straight-line guider is arranged, it is characterized in that: on, following tool rest is installed in respectively on upper cutter head bent axle (12) and the following tool rest bent axle (13), upper cutter head bent axle (12) and following tool rest bent axle (13) are by No. 1 shaft coupling (2), No. 2 shaft couplings (4) are connected with power set with gear distribution box (5), power set directly or by decelerator (3) are connected to gear distribution box 5, two output shafts of gear distribution box drive respectively, the bent axle of following tool rest (12) and (13), on two crank axles drive, following tool rest, finish the shearing of flying shearing machine and be synchronized with the movement, on, the bent axle of following tool rest is supported on fixedly on the support (6).
2, double-crank frame type flying shears as claimed in claim 1 is characterized in that: in the described shear, upper cutter head (9) and following tool rest (7) can be finished shearing in two ways:
A) upper cutter head (9) is that tool rest under the frame structure (7) is a box-beam structure;
B) upper cutter head (9) is that tool rest under the box-beam structure (7) is frame structure.
3, double-crank frame type flying shears as claimed in claim 1 or 2 is characterized in that: a side of the guider between upper cutter head and following tool rest is equipped with slideway clearance adjustment mechanism (11), and slideway lash adjusting device (11) is a Wedge mechanism.
4, double-crank frame type flying shears as claimed in claim 1 or 2 is characterized in that: gear distribution box (5) is equipped with gear clearance adjusting device (14), and it is an eccentric adjusting sleeve mechanism.
5, double-crank frame type flying shears as claimed in claim 1 or 2, it is characterized in that: bottom knife seat and bottom knife lash adjusting device (10), blade clearance adjusting device is the Wedge mechanism of oppositely installing, and the driving of this wedge guiding mechanism is hydraulic pressure or pneumatic gearing or screw mechanism.
CNA2008102367382A 2008-12-09 2008-12-09 Double-crank frame type flying shears Pending CN101417354A (en)

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Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102363228A (en) * 2011-11-01 2012-02-29 无锡威华电焊机制造有限公司 Positioning inclined wedge mechanism for fixed cutter row of steel grating hydraulic shearing machine
CN103028776A (en) * 2013-01-08 2013-04-10 中冶东方工程技术有限公司 Start-stop type crank cold flying shear
CN103231106A (en) * 2013-05-08 2013-08-07 南通恒鼎重型机床有限公司 Flying shears
CN104625637A (en) * 2014-12-31 2015-05-20 上海英汇科技发展有限公司 High-strength plate rolling and on-line cutting method
CN105252064A (en) * 2015-11-29 2016-01-20 山东交通学院 Toggle rod type flying shears
CN107755793A (en) * 2016-08-22 2018-03-06 江苏三环实业股份有限公司 A kind of shut-off mechanism
CN109090192A (en) * 2018-09-29 2018-12-28 佛山市奥楷机械科技有限公司 A kind of sausage shear
CN109108364A (en) * 2018-10-15 2019-01-01 浙江恒立数控科技股份有限公司 Flying shearing machine crank mechanism
CN109365917A (en) * 2018-12-27 2019-02-22 河北科技大学 The connection of metal solid-state removes device end to end
CN114309776A (en) * 2022-01-04 2022-04-12 中冶南方工程技术有限公司 Single-crankshaft flying shear
CN114309775A (en) * 2022-01-04 2022-04-12 中冶南方工程技术有限公司 Shearing device capable of stopping shearing and flying shearing and mode switching method thereof

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102363228A (en) * 2011-11-01 2012-02-29 无锡威华电焊机制造有限公司 Positioning inclined wedge mechanism for fixed cutter row of steel grating hydraulic shearing machine
CN103028776A (en) * 2013-01-08 2013-04-10 中冶东方工程技术有限公司 Start-stop type crank cold flying shear
CN103028776B (en) * 2013-01-08 2015-12-23 中冶东方工程技术有限公司 The cold flying shearing machine of a kind of start stop mode crank
CN103231106A (en) * 2013-05-08 2013-08-07 南通恒鼎重型机床有限公司 Flying shears
CN104625637A (en) * 2014-12-31 2015-05-20 上海英汇科技发展有限公司 High-strength plate rolling and on-line cutting method
CN105252064A (en) * 2015-11-29 2016-01-20 山东交通学院 Toggle rod type flying shears
CN107755793A (en) * 2016-08-22 2018-03-06 江苏三环实业股份有限公司 A kind of shut-off mechanism
CN109090192A (en) * 2018-09-29 2018-12-28 佛山市奥楷机械科技有限公司 A kind of sausage shear
CN109108364A (en) * 2018-10-15 2019-01-01 浙江恒立数控科技股份有限公司 Flying shearing machine crank mechanism
CN109365917A (en) * 2018-12-27 2019-02-22 河北科技大学 The connection of metal solid-state removes device end to end
CN114309776A (en) * 2022-01-04 2022-04-12 中冶南方工程技术有限公司 Single-crankshaft flying shear
CN114309775A (en) * 2022-01-04 2022-04-12 中冶南方工程技术有限公司 Shearing device capable of stopping shearing and flying shearing and mode switching method thereof
CN114309775B (en) * 2022-01-04 2023-10-27 中冶南方工程技术有限公司 Shearing device capable of stopping shearing and flying shearing and mode switching method thereof

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Open date: 20090429