CN109365917A - The connection of metal solid-state removes device end to end - Google Patents
The connection of metal solid-state removes device end to end Download PDFInfo
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- CN109365917A CN109365917A CN201811615332.5A CN201811615332A CN109365917A CN 109365917 A CN109365917 A CN 109365917A CN 201811615332 A CN201811615332 A CN 201811615332A CN 109365917 A CN109365917 A CN 109365917A
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- 239000002184 metal Substances 0.000 title claims abstract description 23
- 230000008878 coupling Effects 0.000 claims abstract description 41
- 238000010168 coupling process Methods 0.000 claims abstract description 41
- 238000005859 coupling reaction Methods 0.000 claims abstract description 41
- 230000005540 biological transmission Effects 0.000 claims description 21
- 230000007246 mechanism Effects 0.000 claims description 9
- 238000005520 cutting process Methods 0.000 claims description 4
- 238000010008 shearing Methods 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 abstract description 11
- 239000007787 solid Substances 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 7
- 238000003466 welding Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000004364 calculation method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009466 transformation Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000003801 milling Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D79/00—Methods, machines, or devices not covered elsewhere, for working metal by removal of material
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Abstract
The present invention discloses a kind of metal solid-state connection removal device end to end, including rack, the first cutter device, the second cutter device, driven roller and driving device, first cutter device and the second cutter device are mounted on rack, it include crank, connecting rod, rocking bar, cutter head, drive shaft and connecting hinge, drive shaft set by the crank first end of first cutter device is articulated on rack, the first end of connecting rod and the second end of crank are hinged, the first end of rocking bar is articulated on rack, second end and the second end of connecting rod are hinged, and cutter head is fixed on the second end face of rocking bar；And driving device includes motor, first shaft coupling, retarder and second shaft coupling, the input shaft of retarder is connected by first shaft coupling and motor, and output shaft is connected by second shaft coupling and drive shaft.Removal rapidly end to end after the connection of metal plate solid-state can be guaranteed the rolling free of discontinuities of solid metallic plate, laid the foundation for the realization of endless rolling by the present invention.
Description
Technical field
The present invention relates to one kind, and for metal solid-state connection removal, device, the device connect for removing intermediate base online end to end
After connecing end to end, going on smoothly in order to rolling.
Background technique
With the development of science and technology, requirement of the people to new material is higher and higher, and contemporary metal interconnection technique mainly includes
Metallurgy connection is commonly called as welding, is mechanically connected, is connected chemically, and wherein welding technique is occupied an leading position, and is most widely used.1991
Britain's institute of welding has invented a kind of New Solid interconnection technique-agitating friction weldering, abbreviation FSW.The internal stress of postwelding connector
It is small, deformation is small, the low stress of basic achievable plate becomes a kind of novel green welding technology without distortion weld.And metal
Solid-state connection refers to the method for connecting together two pieces of metal plates rapidly by way of shear extrusion.
But it is long for the induction welding and laser welding formula Connection Time of conventional intermediate base, it is unfavorable for the without a head of old milling train
Rolling transformation, document ZL201410019608.9 have invented a kind of connection that intermediate base is realized with the mode of shear extrusion, have
Have the characteristics that the Connection Time is short, is conducive to the endless rolling transformation of old milling train, document ZL201410658589.4 is on this basis
A kind of quick-connect machanism of intermediate base is invented, for base among online Dynamic link library, which has the Connection Time short
Feature is very beneficial for the endless rolling transformation of old rolling line.But above-mentioned two invention all has a problem that that is exactly to connect
After, the intermediate base of connection can exist end to end, and be unfavorable for the on-line continuous rolling of next step.
Summary of the invention
For above situation, the present invention provides a kind of connect for metal solid-state and removes device end to end, overcomes the prior art
In disadvantage achieve the purpose that smoothly to realize endless rolling by removing intermediate base online end to end.
The technical scheme adopted by the invention is that provide a kind of metal solid-state connection removal device end to end, including rack, the
One cutter device, the second cutter device, driven roller and driving device, first cutter device and the second cutter device are respectively mounted
On the rack, and structure composition is identical, includes crank, connecting rod, rocking bar, cutter head, drive shaft and connecting hinge, and described the
The crank first end of one cutter device is equipped with drive shaft, and the drive shaft is articulated on rack, and the first end of the connecting rod is logical
The first connecting hinge is crossed to be connected with the second end of the crank, the first end of the rocking bar by third connecting hinge be connected to rack it
On, second end is connected by the second connecting hinge with the second end of the connecting rod, and the cutter head is fixed on the second end of the rocking bar
Face；The driving device includes motor, first shaft coupling, retarder and second shaft coupling, and the motor passes through first shaft coupling
It is connected with the input shaft of the retarder, the output shaft of the retarder by second shaft coupling and is set to the crank first end
Drive shaft be connected；And the driven roller has multiple, is symmetrically arranged in the upper of intermediate base after the connection on producing line transport device
Downside, and the shaft of the driven roller is articulated on the rack, the cloth of second cutter device and the first cutter device
Set that mounting means is identical, and first cutter device is set to the downside of intermediate base after the connection, the second cutter device is set
It is placed in the upside of intermediate base after the connection.
Further, one group of the driven roller every two, is symmetrically disposed on the two sides up and down of intermediate base after the connection, and under
The driven roller of side supports intermediate base after the connection, and the driven roller of upside presses intermediate base after the connection.
Preferably, the cutter head highest movement position of first cutter device is the lower part of intermediate base after connecting end to end and connects
The minimum link position of rear intermediate base is connect, the minimum movement position of cutter head of second cutter device is the upper of intermediate base after connecting
The highest link position of intermediate base after size tail and connection.
Preferably, the crank moves in a circle, and the cutter head does 0 °~180 ° swings.
Preferably, the driving device is set as double motor drive system, and the double motor drive system is two only
Vertical motor transmission system, wherein the second shaft coupling of first motor transmission system is connected with the drive shaft of the first cutter device,
The second shaft coupling of second motor transmission system is connected with the drive shaft of the second cutter device, to drive drive shaft and crank to turn
It is dynamic.
As a kind of alternative, the driving device is set as single motor transmission system, including motor, the first shaft coupling
Device, input shaft, retarder, the first output shaft, the second output shaft, second shaft coupling and third shaft coupling, the motor pass through the
One shaft coupling is connected with the input shaft of the retarder, the first output shaft of the retarder and the drive shaft of the first cutter device
Between be connected by second shaft coupling, the driving between centers of the second output shaft of the retarder and the second cutter device passes through third connection
Axis device is connected, to drive drive shaft and crank to rotate.
Further, by adjusting the revolving speed of each pole length and crank, make cutter head swing shearing speed with connect after it is intermediate
Base speed matches.
Preferably, the thickness by adjusting base intermediate after the length of cutter head and connection matches.
Preferably, first cutter device and the second cutter device are set as crank and rocker mechanism, and the crank shakes
The minimum transmission angle γ of linkage, meets condition γmin≥50°。
Preferably, the coefficient of travel speed variation K of the crank and rocker mechanism meets condition K > 1.
Compared with prior art, the beneficial effects of the present invention are:
Metal solid-state connection provided by the invention removes device end to end, passes through the first cutter device of design and the second cutting fills
It sets, when the intermediate base level run speed after connection changes, can come by adjusting the revolving speed of each pole length and crank
The swing shearing speed for changing cutter head matches with mill speed, can be by simultaneously when the thickness of intermediate base changes
Change the cutter head length of the first cutter device and the second cutter device to match with workpiece thickness, in addition, the present invention is made
Crank and rocker mechanism has quickreturn characteristics, after cut connection intermediate base end to end after, can quickly return, cutting is imitated
Rate is high.
Detailed description of the invention
Fig. 1 is integral installation distribution structure schematic diagram of the invention；
Fig. 2 is the first cutter device structural schematic diagram of the invention；
Fig. 3 is the second cutter device structural schematic diagram of the invention；
Fig. 4 is double motor drive system structural schematic diagram of the invention；
Fig. 5 is single motor drive system structure schematic diagram of the invention；
Fig. 6 is the preferable Driven by Hydraulic Cylinder structural schematic diagram of the present invention；
Fig. 7 is that the first cutter device speeds match of the invention illustrates structural schematic diagram；
Fig. 8 illustrates structural schematic diagram for workpiece thickness matching after connection of the invention；
Fig. 9 is pressure angle calculation specifications structural schematic diagram of the invention；And
Figure 10 is quickreturn characteristics calculation specifications structural schematic diagram of the invention.
Specific embodiment
By the technology contents of the detailed present invention, structure feature, reach purpose and efficacy, below with reference to Figure of description
It is described in detail.
The present invention provides a kind of metal solid-state connection removal device end to end, as shown in Figures 1 to 3, including rack 1, first cuts
Device 2, the second cutter device 3, driven roller 8,8 ' and driving device 16 are cut, the first cutter device 2 and the second cutter device 3 are pacified
On rack 1, and structure composition is identical, includes crank 4,4 ', connecting rod 5,5 ', rocking bar 6,6 ', cutter head 7,7 ', drive shaft
9,9 ' and connecting hinge 10,10 ', 4 first end of crank of the first cutter device 2 is equipped with drive shaft 9, drive shaft 9 be articulated with rack 1 it
On, the first end of connecting rod 5 is connected by the first connecting hinge 101 with the second end of crank 4, and the first end of rocking bar 6 is connected by third
It connects hinge 103 to be connected on rack 1, second end is connected by the second connecting hinge 102 with the second end of connecting rod 5, and cutter head 7 is fixed on
The second end face of rocking bar 6；And driven roller 8,8 ' has multiple, is symmetrically arranged in after the connection on producing line transport device intermediate base 12
Two sides, one group of 8 and 8 ' every two of driven roller, and intermediate base 12 after the support connection of driven roller 8,8 ' of downside, the driving of upside
Intermediate base 12 after the pressing connection of roller 8,8 ', and the shaft of driven roller 8,8 ' is articulated on rack 1, the second cutter device 3 and the
The arrangement mounting means of one cutter device 2 is identical, and the first cutter device 2 is set to the downside of intermediate base 12 after connection, and second
Cutter device 3 is set to the upside of intermediate base 12 after connection.
As shown in figure 4, inventive drive means 16 may be configured as dual-motor drive system, driving device 16 includes first
Motor transmission system 13 and the second motor transmission system 14, and first motor transmission system 13 and the second motor transmission system 14 it
Between it is mutually indepedent, first motor transmission system 13 includes motor 131, first shaft coupling 132, retarder 133 and second shaft coupling
134, motor 131 is connected by the input shaft 1331 of first shaft coupling 132 and retarder 133, the output shaft 1332 of retarder 133
It is connected by second shaft coupling 134 with the drive shaft 9 for being set to 4 first end of crank；Second motor transmission system 14 includes motor
141, first shaft coupling 142, retarder 143 and second shaft coupling 144, motor 141 pass through first shaft coupling 142 and retarder
143 input shaft 1431 is connected, and the output shaft 1432 of retarder 143 by second shaft coupling 144 and is set to 4 ' first end of crank
Drive shaft 9 ' be connected, in the course of work, open motor 131 and motor 141, as a result, the driving of first motor transmission system 13 the
The work of one cutter device 2, the second motor transmission system 14 drive the work of the second cutter device 3.
As shown in figure 5, inventive drive means 16 may be configured as single motor transmission system 15, single motor transmission system 15
Including motor 151, first shaft coupling 152, input shaft 153, retarder 154, the first output shaft 155, the second output shaft 156,
Two shaft couplings 157 and third shaft coupling 158, motor 151 pass through 153 phase of input shaft of first shaft coupling 152 and retarder 154
Even, it is connected between the first output shaft 155 and the drive shaft 9 of the first cutter device 2 of retarder 154 by second shaft coupling 157,
It is connected between second output shaft 156 of retarder 154 and the drive shaft 9 ' of the second cutter device 3 by third shaft coupling 158, is subtracted
Fast device 154 plays the role of a transfer, when system works as a result, opens motor 151, retarder 154 plays a deceleration and increases
The effect of torsion, and transfer is carried out to the power of the input of motor 151, the first cutter device 2 and the second cutting can be driven simultaneously
Device 3 works.
As shown in fig. 6, the present invention is it may be preferred that replace with hydraulic cylinder 521,531 for crank 4,4 ' and rocking bar 6,6 ', it is hydraulic
The first end of cylinder 521 is connected on rack 51 by the first connecting hinge 524, and the second end of second end and rocking bar 522 passes through the
Two connecting hinges 525 are hinged.Specifically, the embodiment includes rack 51, the first cutter device 52,53 and of the second cutter device
Driven roller 54,54 ', the first cutter device 52 and the second cutter device 53 are mounted on rack 51, and structure composition is identical,
It include crank-type hydraulic cylinder 521,531, rocking bar 522,532, cutter head 523,533, the first connecting hinge 524,534, the second connecting hinge
525,535 and third connecting hinge 526,536, the first end of the hydraulic cylinder 521 of the first cutter device 52 passes through the first connecting hinge 524
It is connected on rack 51, the second end of second end and rocking bar 522 is hinged by the second connecting hinge 525, and cutter head 523 passes through bolt
It is fixed on the second end face of rocking bar 522；The first end of the hydraulic cylinder 531 of second cutter device 53 is connected by the first connecting hinge 534
It is connected on rack 51, the second end of second end and rocking bar 532 is hinged by the second connecting hinge 535, and cutter head 533 is solid by bolt
It is connected in the second end face of rocking bar 532；And driven roller 54,54 ' have it is multiple, after being symmetrically arranged in the connection on producing line transport device
It is intermediate after the support connection of driven roller 54,54 ' of the two sides up and down of intermediate base 56, one group of 54 and 54 ' every two of driven roller, and downside
Base 56, intermediate base 56 after the pressing connection of driven roller 54,54 ' of upside, and the shaft of driven roller 54,54 ' be articulated with rack 51 it
On, the second cutter device 53 is identical with the arrangement mounting means of the first cutter device 52, and 52 company of being set to of the first cutter device
The downside of rear intermediate base 56 is connect, the second cutter device 53 is set to the upside of intermediate base 56 after connection.
It, can be by changing crank 4,4 ' when the level run speed v of intermediate base 12 changes after connection of the invention
Revolving speed match come the swing speed and mill speed for changing cutter head 7,7 '.Because of the first cutter device 2 and the second cutter device 3
Identical, so the present embodiment only illustrates its parameters calculation with the first cutter device 2, specific matching process is as follows:
Its relevant parameter and sign flag are as shown in Figure 7, it is assumed that each pole length is respectively lAB, lBC, lDC, lCE, lAD, crank
4 with constant angular velocity ω1It rotates clockwise, selectes multiple rectangular coordinate system xAiy, the angular displacement of each component is
Establish ABCDE system of bars complex vector model.
Assuming that each a length of vector of component bar, then complex number vector equations of the mechanism are as follows:
The angular speed of DC bar can be acquired, is indicated are as follows:
Wherein,
Wherein,
So there is the speed v of the E point of cutter head 7EIt may be expressed as:
vE=ω3(lDC+lCE)
It, can be according to above formula, by the input speed ω for adjusting AB bar when the speed of intermediate base 12 changes after connection1,
It is v to reach the E point output speed of cutter head 7E, to realize the purpose of speeds match.
The thickness matching process of intermediate base 12 is as follows after connection of the invention:
Its relevant parameter and sign flag are as shown in figure 8, (D ' C ' E ' when running to extreme lower position due to E ' of cutter head 7 '
In plumbness), it needs to remove 11,55 parts end to end on top, meanwhile, when the E point of cutter head 7 runs to extreme higher position
(DCE is in plumbness) needs to remove 11,55 parts end to end of lower part, so the overall height H of equipment may be expressed as:
H=lDC+lCE+h+lD′C′+lC′E′
Equipment total height is constant, can be by changing simultaneously CE's and C ' E ' after connection when the thickness h variation of intermediate base 12
Length matches with 12 thickness of base intermediate after connection.
It need to meet some requirements when associated rod member length of the invention and parameter designing, specific calculating process is as follows:
Its relevant parameter and sign flag as shown in Fig. 7~10,
1, AB bar is the condition of crank
Wherein AB bar is crank, and AD bar is rack, if lAB< lAD, AB bar is that the condition of crank can be described as:
lAB+lAD≤lBC+lCD
lAB+lBC≤lCD+lAD
lAB+lCD≤lAD+lBC
lAB≤lBC
lAB≤lCD
lAB≤lAD
When each pole length meets above-mentioned condition, AB bar be crank, can integral cycle rotating, CD bar be rocking bar, i.e., crank 4,
4 ' need to meet above-mentioned rod length relation condition with rocking bar 6,6 '.
2, pressure angle and drive line angle calculate
It is P that driving link AB bar, which is transmitted to power of the point C along the direction CD on driven member CD by connecting rod BC, which is decomposed into edge
The component P in C spot speed directiont, and the component P along the direction DCn, wherein PtFor push DC bar movement active component, so having
Pt=P cos α=P sin γ
α is the pressure angle of the position in formula, and γ is the drive line angle of the position, chooses minimum transmission angle in mechanism design
Are as follows:
γmin≥50°
3, quickreturn characteristics
Crank AB often rotates a circle, respectively by two position B1, B2Conllinear with connecting rod BC, at this moment rocking bar DC is located at two
A extreme position C1And C2, angle σ.Two extreme position AB of driving link AB1And AB2Angle theta be known as crank angle between two limit positions, σ
For the maximum pendulum angle of rocking bar.
When crank AB is by B1Position runs to B clockwise2When position, rocking bar DC is by C1Run to C2, for the work of the mechanism
Stroke, complete to intermediate base end to end 11,55 excision work, the required time be t1, crank continues to rotate clockwise from B2Position
It sets and runs to B1Position, rocking bar DC is by C2Position runs to C1It is t that position, which is the time required for backlash stroke,2, since crank is
It at the uniform velocity rotates clockwise, as we can see from the figure t1> t2, i.e. opening speed is fast, and this characteristic is known as quickreturn characteristics.Impulse stroke
Need to overcome resistance end to end, it is desirable to which speed is slow, and backlash stroke wishes that speed is fast, and production efficiency can be improved in this way.With
Coefficient of travel speed variation K is measured:
K > 1 is chosen in the present invention.
4, dead-centre position
When AB bar is in B1And B2When position, crank AB and connecting rod BC are conllinear, B1、B2Position becomes dead-centre position, Ke Yi
Transmission system installs flywheel additional and increases inertia, makes mechanism by dead-centre position, so as to continuous work.
Solid-state of the present invention for solid metallic plate connects removal device end to end, metal plate solid-state can be connected
Removal rapidly end to end after connecing, guarantees the rolling free of discontinuities of solid metallic plate, lays the foundation for the realization of endless rolling.
The above is the preferred embodiment of the application, is not limited the scope of protection of the present invention with this, it is noted that right
For those skilled in the art, under the premise of not departing from this technology principle, can also make it is several improvement and
Retouching, these improvements and modifications also should be regarded as the protection scope of the application.
Claims (10)
1. a kind of metal solid-state connection removes device end to end, which is characterized in that including rack, the first cutter device, the second cutting
Device, driven roller and driving device,
First cutter device and the second cutter device are mounted on the rack, include crank, connecting rod, rocking bar,
The crank first end of cutter head, drive shaft and connecting hinge, first cutter device is equipped with drive shaft, and the drive shaft is articulated with machine
On frame, the first end of the connecting rod is connected by the first connecting hinge with the second end of the crank, the first end of the rocking bar
It is connected on rack by third connecting hinge, second end is connected by the second connecting hinge with the second end of the connecting rod, described
Cutter head is fixed on the second end face of the rocking bar；
The driving device includes motor, first shaft coupling, retarder and second shaft coupling, and the motor passes through first shaft coupling
It is connected with the input shaft of the retarder, the output shaft of the retarder by second shaft coupling and is set to the crank first end
Drive shaft be connected；And
The driven roller has multiple, is symmetrically arranged in the two sides up and down of intermediate base after the connection on producing line transport device, and described
The shaft of driven roller is articulated on the rack, the arrangement mounting means phase of second cutter device and the first cutter device
Together, and the first cutter device is set to the downside of intermediate base after the connection, during the second cutter device is set to after the connection
Between base upside.
2. metal solid-state connection according to claim 1 removes device end to end, which is characterized in that the driven roller every two
One group, the two sides up and down of intermediate base after the connection are symmetrically disposed on, and the driven roller of downside supports intermediate base after the connection,
The driven roller of upside presses intermediate base after the connection.
3. metal solid-state connection according to claim 1 removes device end to end, which is characterized in that first cutter device
Cutter head highest movement position be intermediate base after connection the lower part minimum link position with base intermediate after connection end to end, described the
The minimum movement position of the cutter head of two cutter devices is the top highest connection with base intermediate after connection end to end of intermediate base after connection
Position.
4. metal solid-state connection according to claim 3 removes device end to end, which is characterized in that the crank does circumference fortune
Dynamic, the cutter head does 0 °~180 ° swings.
5. metal solid-state connection according to claim 4 removes device end to end, which is characterized in that the driving device setting
For double motor drive system, and the double motor drive system is two independent motor transmission systems, wherein first motor passes
The second shaft coupling of dynamic system is connected with the drive shaft of the first cutter device, the second shaft coupling of the second motor transmission system and the
The drive shaft of two cutter devices is connected, to drive drive shaft and crank to rotate.
6. metal solid-state connection according to claim 4 removes device end to end, which is characterized in that the driving device setting
For single motor transmission system, including motor, first shaft coupling, input shaft, retarder, the first output shaft, the second output shaft, second
Shaft coupling and third shaft coupling, the motor are connected by first shaft coupling with the input shaft of the retarder, the retarder
The first output shaft be connected with the driving between centers of the first cutter device by second shaft coupling, the second output shaft of the retarder
It is connected with the driving between centers of the second cutter device by third shaft coupling, to drive drive shaft and crank to rotate.
7. metal solid-state connection according to claim 4 removes device end to end, which is characterized in that by adjusting each pole length
With the revolving speed of crank, make cutter head swing shearing speed with connect after intermediate base speed match.
8. metal solid-state connection according to claim 4 removes device end to end, which is characterized in that by adjusting the length of cutter head
Degree with connect after centre base thickness match.
9. metal solid-state connection according to claim 4 removes device end to end, which is characterized in that first cutter device
It is crank and rocker mechanism with the second cutter device, and the minimum transmission angle γ of the crank and rocker mechanism meets condition γmin≥
50°。
10. metal solid-state connection according to claim 9 removes device end to end, which is characterized in that the crank rocker machine
The coefficient of travel speed variation K of structure meets condition K > 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811615332.5A CN109365917A (en) | 2018-12-27 | 2018-12-27 | The connection of metal solid-state removes device end to end |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811615332.5A CN109365917A (en) | 2018-12-27 | 2018-12-27 | The connection of metal solid-state removes device end to end |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111330984A (en) * | 2020-03-27 | 2020-06-26 | 中冶赛迪技术研究中心有限公司 | Head and tail scraping device for strip steel endless rolling |
| CN111389921A (en) * | 2020-03-27 | 2020-07-10 | 中冶赛迪技术研究中心有限公司 | Hot rolling endless rolling shearing and pressing connection method and system thereof |
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|---|---|---|---|---|
| SU1404206A1 (en) * | 1987-04-13 | 1988-06-23 | Всесоюзный научно-исследовательский и проектно-конструкторский институт металлургического машиностроения им.А.И.Целикова "ВНИИМЕТМАШ" | Flying shears |
| SU1461589A1 (en) * | 1987-04-13 | 1989-02-28 | Всесоюзный научно-исследовательский и проектно-конструкторский институт металлургического машиностроения им.А.И.Целикова | Flying shears |
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| CN111330984A (en) * | 2020-03-27 | 2020-06-26 | 中冶赛迪技术研究中心有限公司 | Head and tail scraping device for strip steel endless rolling |
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