WO1992016328A1 - Cisaille mecanique pourvue d'une surface de support incurvee et mobile - Google Patents

Cisaille mecanique pourvue d'une surface de support incurvee et mobile Download PDF

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Publication number
WO1992016328A1
WO1992016328A1 PCT/FI1991/000072 FI9100072W WO9216328A1 WO 1992016328 A1 WO1992016328 A1 WO 1992016328A1 FI 9100072 W FI9100072 W FI 9100072W WO 9216328 A1 WO9216328 A1 WO 9216328A1
Authority
WO
WIPO (PCT)
Prior art keywords
bracing
cylinder
bracing means
upper shear
plate shears
Prior art date
Application number
PCT/FI1991/000072
Other languages
English (en)
Inventor
Hannu Juhani Alitalo
Original Assignee
Hannu Juhani Alitalo
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hannu Juhani Alitalo filed Critical Hannu Juhani Alitalo
Priority to PCT/FI1991/000072 priority Critical patent/WO1992016328A1/fr
Publication of WO1992016328A1 publication Critical patent/WO1992016328A1/fr

Links

Classifications

    • 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
    • B23D15/00—Shearing machines or shearing devices cutting by blades which move parallel to themselves
    • B23D15/06—Sheet shears
    • 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
    • B23D33/00—Accessories for shearing machines or shearing devices
    • B23D33/02—Arrangements for holding, guiding, and/or feeding work during the operation
    • B23D33/025—Guillotines with holding means behind the knives

Definitions

  • the present invention concerns a plate shear ⁇ ing machine as defined in the preamble to Claim 1.
  • the upper shear is moved with the aid of a hydraulic or mechani ⁇ cal system past the usually fixed lower shear, grazing the latter, whereby the shears cut the sheet that is being cut, in the manner of scissors.
  • the cutting operation distorts and bends the sheet that is being cut.
  • scissors-like cutting in which the sheet is cut against a stationary shear, the sheet that is being cut will bend according to the cutting angle, and this gives rise to permanent distortion and twisting of the sheet that is being cut. This is a problem particularly met in connection with thin plates or sheets made of stainless steel.
  • bracing means mounted beside the cutting edge of the lower shear.
  • a bracing means is de ⁇ scribed which is a planar plate carried by pre-stressed springs and placed beside the cutting edge of the lower shear. The purpose with this plane is to inhibit dis ⁇ tortion of the sheet that is being cut by urging it against the upper shear.
  • bracing means are also known in the art, in which it has been noted that the problem of sheet distortion and curving can be solved by bracing the sheet that is being cut, primarily, in the vicinity of the cutting point.
  • the sheet In scissors-like cutting, as the cutting point is moving, the sheet can be best braced in the vicinity of the cutting point with a moving brace.
  • a problem solution of this kind is implemented by using a bracing roller which has been arranged to move along with the cutting point, with the aid of a hydraulic motor.
  • a further problem associated with means of prior art is that they are complicated and expensive.
  • the object of the invention is to eliminate the drawbacks mentioned in the foregoing.
  • the plate shears of the invention are charac ⁇ terized by that which is stated in Claim 1.
  • the plate shears of the invention comprise a frame; a lower shear which is carried on the frame; an upper shear provided with a cutting edge and attached to the frame to be movable with the aid of a force mem ⁇ ber, relative to the lower shear; and a bracing means for bracing the sheet that is being cut, in the vicin ⁇ ity of the cutting point.
  • said bracing means comprises a bracing surface which is convexedly curved in the longitudinal direction of the cutting edge, extending substantially over the whole length of the cutting edge; and the upper shear and the bracing means cooperate in such manner that the bracing surface of the bracing means facing the sheet moves along with the cutting point and in the vicinity there ⁇ of.
  • the bracing means is advantageously located, at every point of its extension, beside the lower shear and at a distance therebelow. Furthermore, advantage ⁇ ously, the contact point of the bracing means, or the bracing point against the sheet that is being cut, moves a given distance ahead of the cutting point. A given clearance is maintained at all times between the upper shear and the bracing means, whereby naturally the upper shear never fouls the bracing means.
  • the plate shears comprise force transmission members for transmitting the motion of the upper shear to the brac ⁇ ing means. In an embodiment of the plate shears, the plate shears comprise control means for controlling the movement of the bracing means.
  • the force transmission members comprise a hydraulic circuit arranged to transmit the movement of the bracing means by hydraulic transmission from the upper shear to the bracing means, for controlling the motion of the brac ⁇ ing means to be a rocking rolling motion.
  • the hydraulic circuit comprises a hydraulic operating cyl ⁇ inder which has been connected between the frame and the upper shear so that the operating cylinder is in the pulled-in position when the upper shear is in its initial position in the extreme top position; two hydraulic bracing cylinders, a first bracing cylinder and a second bracing cylinder, which are connected between the bracing means and the frame, spaced at a distance from each other, advantageously in the vicini ⁇ ty of either end of the bracing means; the operating cylinder is double-acting and the operating cylinder comprises a primary side and a secondary side; the bracing cylinders are single action cylinders; and the primary side of the operating cylinder is connected in series with the first bracing cylinder and the second- ary side of the operating cylinder is connected in ser ⁇ ies with the second bracing cylinder.
  • the operating cylinder comprises a piston rod and a shell; of these, the piston rod is connected with the upper shear and the shell is connected with the frame; the cutting edge of the upper shear is oblique between the first.cutting lower end and the last-cutting upper end;
  • the first bracing cylinder comprises a piston rod and a shell, the piston rod being connected with the end of the bracing means adjacent to the lower end of the cut ⁇ ting edge and the shell being connected to the frame;
  • the second bracing cylinder comprises a piston rod and a shell, the piston rod being connected with the end of the bracing means adjacent to the lower end of the cut ⁇ ting edge and the shell being connected to the frame.
  • the plate shears comprise a return arrangement for ensuring restoration of the initial position of the bracing means.
  • this return system may be, for instance, a spring or a weight by means of which the centre of gravity of the bracing means is shifted.
  • the re ⁇ turn system comprises a hydraulic conduit connecting the hydraulic force means cylinder and the volume on the piston rod side of the first bracing cylinder; a first directional valve disposed on the piston of the first bracing cylinder; a second directional valve dis ⁇ posed on the piston of the operating cylinder; the first directional valve opens only when the first bracing cylinder is in its fully pulled-in position; and the second directional valve opens only when the operating cylinder is in its fully pulled-in position.
  • the con ⁇ trol members comprise curved guides connected to the frame and to the bracing means, and respective guide followers, disposed to control, in cooperation, the motion of the bracing means to be a rocking, rolling motion.
  • the guides and guide followers in combination constitute a mechanism, which may be any type of guide mechanism known in the art, such as e.g. a pin-and-slot mechanism in which the slot constitutes the guide and the pin constitutes the guide follower, a roller set- and-rail mechanism in which the rail constitutes the guide and the roller set constitutes the guide follow ⁇ er, etc.
  • the guides may be connected to the bracing means or to the frame, or vice versa.
  • the guide followers may be located on the frame or on the bracing means, or vice versa.
  • the guide members are advantageously symmetrically placed relative to the bracing means.
  • the force transmission members comprise a mechanical force transmission, such as a linkage or equivalent which is connected between the upper shear and the bracing means.
  • the force transmission members comprise an elongated trac- tion member which is connected to the upper shear and to the bracing means, and a deflection sheave, and the traction member runs from the upper shear over said deflection sheave to the bracing means, transmitting the movement of the upper shear to produce the motion of the bracing means. Also by this arrangement com ⁇ pletely mechanical connection of the bracing means with the upper shear is achieved. If the distances which the upper shear and the bracing means move are different, gear mechanisms of any type known in the art may be interposed.
  • the curvature of the bracing surface of the bracing means consists of a circular arc.
  • the arc is advantageously a flat arc, consisting of part of a circle.
  • the arc may equally consist of suitable arcs embodying other mathematical functions.
  • the advantage of the present invention is that with this invention is achieved a bracing of the sheet that is being cut which eliminates the problem of dis ⁇ tortion and curving of the sheet.
  • the bracing means requires no separate force member, which would require separate external energy supply, because the bracing means operates by effect of the force members provided for the cutting stroke of the upper shear.
  • Fig. 1 presents schematically a plate shearing machine according to an embodiment of the invention, prior to sheet cutting
  • Fig. 2 presents the plate shears of Fig. 1 when the cut has proceeded to completion.
  • Fig. 3 presents schematically a plate shearing machine according to another embodiment of the inven- tion, prior to sheet cutting.
  • Fig. 4 presents the plate shears of Fig. 3 at the stage when the cutting point has proceeded to about halfway across the sheet
  • Fig. 5 presents the plate shears of Fig. 3 when the cut has proceeded to completion.
  • a plate cutting machine comprising a frame 1.
  • the plate shears comprise a lower shear 2, fixedly carried on the frame 1, an upper shear 3, provided with a cutting edge 4 and attached to the frame 1 to be movable with the aid of a force member 5,6 relative to the lower shear, and a bracing means 7 for bracing the sheet that is being cut, in the vicini- ty of the cutting point.
  • the force members 5 and 6 are, here, hydraulic cylinders.
  • the hydraulics operating the cylinders 5 and 6 represent conventional technology, and therefore they are not more closely presented here. nor in the drawings.
  • the bracing means 7 comprises a bracing sur ⁇ face 8, which is convexedly curved in the direction longitudinal to the cutting edge 4, extending substan ⁇ tially over the whole length of the cutting edge.
  • the curvature of the bracing surface 8 is constituted by a circular arc.
  • the upper shear 3 and the bracing means 7 cooperate so that the bracing point of the bracing means against the sheet moves along with the cutting point and in the vicinity thereof.
  • a hydraulic circuit 11 arranged to transmit the motion by hydraulic transmission from the upper shear 3 to the bracing means 7, for controlling the movement of the bracing means to be a rocking rolling motion.
  • the hydraulic circuit 11 comprises a hydraulic operating cylinder 12, which is connected between the frame 1 and the upper shear 3 so that the operating cylinder is in its pulled-in position when the upper shear is in its initial position, in the extreme top position.
  • the hydraulic circuit further comprises two hydraulic brac ⁇ ing cylinders, that is, a first bracing cylinder 13 and a second bracing cylinder 14, which are connected between the bracing cylinder 7 and the frame 1 at a distance from each other, advantageously close to either end of the bracing means 7.
  • the operating cylin ⁇ der 12 connected between the upper shear 3 and the frame 1 is double-acting.
  • the operating cylinder 12 comprises a primary side 15 and a secondary side 16.
  • the bracing cylinders 13 and 14 are single action cyl ⁇ inders.
  • the primary side 15 of the operating cylinder 12 is connected in series with the first bracing cylin ⁇ der 13, and the secondary side of the operating cylin ⁇ der 12 is connected in series with the second bracing cylinder 14.
  • the volumetric capacity of the first brac- ing cylinder 14 corresponds to the maximum capacity of the primary side 15 of the operating cylinder 12.
  • the volumetric capacity of the second bracing cylinder 14 corresponds to the maximum capacity of the secondary side of the operating cylinder 12.
  • the operating cylinder 12 comprises a piston rod 17 and a shell 18, the piston rod 17 being connect ⁇ ed to the upper shear 3 and the shell 18 being connect ⁇ ed to the frame 1.
  • the cutting edge 4 of the upper shear 3 is oblique between the first-cutting lower end and the last-cutting upper end.
  • the first bracing cyl ⁇ inder 13 comprises a piston rod 19 and a shell 20, the piston rod 19 being connected to the end of the bracing means adjacent to the lower end of the cutting edge 4, and the shell 20 being connected with the frame ll
  • the second bracing cylinder 14 comprises a piston rod 21 and a shell 22, the piston rod 21 being connected to the end of the bracing means adjacent to the lower end of the cutting edge, and the shell 22 being connected with the frame 1.
  • the primary side 15 and secondary side 16 of the operating cylinder 12 are connected with the brac ⁇ ing cylinders 13 and 14 by hydraulic conduits 34 and 35.
  • the first hydraulic conduit 34 connects the volume on the piston rod side of the operating cylinder 12, or its primary side 15, and the volume on the free side of the piston of the first bracing cylinder 13.
  • the second hydraulic conduit 35 connects the secondary side 16 of the operating cylinder 12 and the volume on the free side of the piston of the second bracing cyl- inder 14.
  • Fig. 1 the upper shear 3 is in its initial position.
  • the initial position is understood to refer to the situation in which the upper shear 3 is in the top position and the bracing means is standing by to brace the cutting point right from the beginning of cutting, the bracing means 7 being then in oblique position so that the end of the bracing surface 8 which is on the left in the figure, or its initial end, is in top position and the right-hand end, or the terminal end, is in bottom position.
  • the operating cylinder 12 is in fully pulled-in position, whereby the volume of its secondary side 16 is at its maximum, while the volume of the primary side 15 is at its minimum.
  • the first bracing cylinder 13 is then in its fully pulled-in position.
  • the second bracing cylinder 16 is in its fully pushed-out posi- tion.
  • the bracing means 7 In the initial position the bracing means 7 is in oblique position, the initial end of the bracing means 7 being positioned slightly below the fixed lower shear 2.
  • the piston rod 17 of the operating cylinder 12 is connected to the upper shear 3 so that the operating cylinder 12 does not begin to operate until the upper shear 3 has been lowered into cutting relationship with the lower shear 2, at which time the bracing means 7 starts its rocking motion by effect of the operating cylinder 12.
  • This can be implemented in many different ways.
  • One of the embodiments is as shown in the figure, where the piston rod 17 of the operating cylinder 12 is connected with the upper shear 3 by means of a mecha ⁇ nism permitting a given amount of dead motion, in which case, for instance, in the upper shear 3 has been pro ⁇ vided an elongated aperture 36 with a length equalling the amount of dead motion which the upper shear is meant to execute before meeting the lower shear, a pin 37 connected with the piston rod 17 moving in said aperture until it meets the end of the aperture 36 at the same time as the upper shear 3 encounters the lower shear 2.
  • the force members 5 and 6 press the upper shear 3 downward.
  • the hydraulic fluid on the primary side 15 of the operating cylinder 12 then flows, as the volume of the primary side 15 becomes smaller, into the first bracing cylinder 13, pushing the terminal end of the bracing means 7 upward in conformity with the down ⁇ ward movement of the upper shear 3.
  • the volume of the secondary side 16 of the operating cylinder 12 increases and draws hydraulic fluid from the second bracing cylinder 14 to the secondary side 16.
  • the bracing means 7 therefore rocks in the same proportion in which hydraulic fluid moves between the operating cylinder 12 and the bracing cylinders 13 and 14, and the momentary bracing point created by the con ⁇ vex, curved bracing surface 8 of the bracing means 7 moves along with the cutting point, and in its vicin ⁇ ity, thereby bracing the sheet that is being cut (not depicted) in the manner taught by the invention.
  • the bracing means 7 After the cutting event, as the upper shear 3 returns up to its initial position, the bracing means 7 returns to its initial position in inverted succession, compared with that just described. In other words, the hydraulic fluid suction and pushing action of the oper- ating cylinder 12 on the bracing cylinders 13 and 14 turns the bracing means 7 into initial position, to stand-by for the next cutting operation.
  • the plate shearing machine is furthermore provided with a return arrangement 23, which makes sure of restoring the initial position even if there should be leakage in the hydraulic system.
  • a return arrangement 23 which makes sure of restoring the initial position even if there should be leakage in the hydraulic system.
  • the piston rod-side volume of the first bracing cylinder 13 has also been provided with a connector, to which the other end of the hydraulic conduit 24 is connected.
  • the hydraulic fluid pressure of cylinder 6 ensures full pull-in of the second bracing cylinder 13, and consequently the respective end of the bracing means 7 is in its initial position, at bottom.
  • a valve 26 On the piston 27 of the first bracing cylinder 13 is provided a valve 26, which lets hydraulic pressure pass through only when the first bracing cylinder 13 is in its fully pulled-in position.
  • This is mechanically implemented e.g. in that on the inside end of the first bracing cylinder 13 a pin 38 has been provided which presses against the counter-biased valve 26 in the piston 27 only when the piston 27 is in its bottom position. The hydraulic pressure is then admitted further through the first hydraulic conduit 34 to the primary side 15 of the operating cylinder 12.
  • valve 28 like the valve just described, has been provided, through which the hydraulic pressure is further admitted to the second bracing cylinder 14, to lift it up to the fully pulled- out position, and at the same time lifting the bracing means 7 into its initial position.
  • the valves may be any kind of suitable valves, such as directional valves or check valves.
  • the hydraulic conduits 34 and 35 are further provided with pressure limiting valves 39 and 40, which open when the pressure of the hydraulic fluid exceeds a predetermined pressure limit. In an excess pressure situation the hydraulic fluid flows from the valves 39 and 40 to the hydraulic fluid sump.
  • the plate shearing machine depicted in Figs 3-5 is similar, in its main parts, to that presented in Figs 1 and 2, but it differs from these in its force transmission members 9.
  • co ⁇ operation between the upper shear and the bracing means has been arranged to take place altogether mechani ⁇ cally.
  • the plate shears comprise control members 10 for controlling the motion of the bracing means 7.
  • the control members 10 comprise curved guides 30 connected to the frame and to the bracing means, and respective guide followers 31, which have been disposed in cooper ⁇ ation to control the motion of the bracing means 7 to be a rocking, rolling motion.
  • the curved guides 30 are here placed on the frame, to be symmetrically downward curving.
  • the guide followers 31, or rollers, of the bracing means 7 move as directed by the guides 30.
  • the force transmission members 9 comprise an elongated traction member 32, connected to the upper shear 3 and to the bracing means 7, and a deflection sheave 33, and the traction member 32 runs from the upper shear 3 over the deflection sheave 32 to the bracing means 7, thus transmitting the motion of the upper shear 3 to motion of the bracing means 7.
  • the plate shears comprise a return member 23 for returning the bracing means 7 to its initial posi ⁇ tion when the upper shear 3 returns to its initial position.
  • the return member 23 is in this instance a mass which has been placed adjacent to one end of the bracing means.
  • Fig. 3 the upper shear 3 is in its initial position, raised, whereby the cutting edge 4 and the lower shear are located a distance apart.
  • the sheet that has to be cut can be placed in this gap.
  • a member 41 has been provided which acts so that the bracing means 7 does not start to turn until the upper shear 3 has moved downward a given distance, toward the sheet to be cut.
  • the upper shear 3 has moved downward so that the cutting point is proceeding at about the halfway point of the cutting length.
  • the bracing means 7 turns by effect of the force transmission members 9 and the guide members 8 so that the bracing point against the sheet of the bracing means 7 moves along with the cutting point, all the time bracing the sheet that is being cut at the ideally proper point, whereby distortion and curving of the sheet is eliminated.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Shearing Machines (AREA)

Abstract

Cisailles à tôle, comprenant un cadre (1); une cisaille inférieure (2) portée par le cadre; une cisaille supérieure (3) pourvue d'un tranchant (4) et fixée au cadre de façon à pouvoir être déplacée par rapport à la cisaille inférieure, à l'aide d'un élément produisant une force (5, 6), afin d'effectuer une coupe; et un élément de support (7) servant à soutenir la feuille en train d'être coupée dans la région du point de coupe. L'élément de support (7) comprend une surface (8) de support incurvée de manière convexe dans le sens longitudinal par rapport au tranchant (4), et s'étendant pratiquement sur toute la longueur de celui-ci, et la cisaille supérieure (3) et l'élément de support coopèrant de façon que le point de support de la surface de support de l'élément, situé contre la feuille, se déplace en même temps que le point de coupe et la région du point de coupe.
PCT/FI1991/000072 1991-03-13 1991-03-13 Cisaille mecanique pourvue d'une surface de support incurvee et mobile WO1992016328A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/FI1991/000072 WO1992016328A1 (fr) 1991-03-13 1991-03-13 Cisaille mecanique pourvue d'une surface de support incurvee et mobile

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/FI1991/000072 WO1992016328A1 (fr) 1991-03-13 1991-03-13 Cisaille mecanique pourvue d'une surface de support incurvee et mobile

Publications (1)

Publication Number Publication Date
WO1992016328A1 true WO1992016328A1 (fr) 1992-10-01

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PCT/FI1991/000072 WO1992016328A1 (fr) 1991-03-13 1991-03-13 Cisaille mecanique pourvue d'une surface de support incurvee et mobile

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104827117A (zh) * 2014-09-29 2015-08-12 北汽福田汽车股份有限公司 剪料装置及具有该剪料装置的生产线
US20170203456A1 (en) * 2014-07-09 2017-07-20 Vmi Holland B.V. Cutting device for cutting tire components
CN107983886A (zh) * 2017-11-23 2018-05-04 东莞市联洲知识产权运营管理有限公司 一种汽车线束的剪裁装置
CN109746986A (zh) * 2019-01-14 2019-05-14 新昌县敏影服饰有限公司 一种墙板切割装置
CN110064792A (zh) * 2019-05-21 2019-07-30 中国铁建大桥工程局集团有限公司 一种市政用地铁建设钢板快速切割设备
EP3925744A1 (fr) * 2020-06-16 2021-12-22 Plockmatic International AB Dispositif de perforation pour machine de traitement de documents

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3757621A (en) * 1970-02-20 1973-09-11 Intermenua Pty Ltd Guillotines and like shearing machines
DE3015913A1 (de) * 1980-04-25 1981-10-29 Thyssen Industrie Ag, 4300 Essen Servo-hydraulische schneidpresse bzw. schere zum schneiden von insbesondere duennen blechen
EP0039381A1 (fr) * 1980-04-23 1981-11-11 Beyeler Machines S.A. Procédé et dispositif de coupe pour matériaux lourds
DE3243257C1 (de) * 1982-11-23 1984-06-28 Scharringhausen Maschinenbau GmbH, 7522 Philippsburg Vorrichtung zum Abstuetzen des abzuschneidenden Streifens an einer Schere zum Schneiden von Blechen u.dgl.
DE3503045A1 (de) * 1985-01-30 1985-08-14 Scharringhausen Maschinenbau GmbH, 7522 Philippsburg Vorrichtung zum abstuetzen des abzutrennenden streifens an einer schere zum schneiden von blechen und dergleichen
DE3431111C2 (fr) * 1984-08-24 1987-10-08 Steiner, Richard, 5901 Wilnsdorf, De
DE3544899C2 (fr) * 1985-12-19 1989-03-02 Gwf Guenzburger Werkzeugmaschinenfabrik Gmbh, 8870 Guenzburg, De

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3757621A (en) * 1970-02-20 1973-09-11 Intermenua Pty Ltd Guillotines and like shearing machines
EP0039381A1 (fr) * 1980-04-23 1981-11-11 Beyeler Machines S.A. Procédé et dispositif de coupe pour matériaux lourds
DE3015913A1 (de) * 1980-04-25 1981-10-29 Thyssen Industrie Ag, 4300 Essen Servo-hydraulische schneidpresse bzw. schere zum schneiden von insbesondere duennen blechen
DE3243257C1 (de) * 1982-11-23 1984-06-28 Scharringhausen Maschinenbau GmbH, 7522 Philippsburg Vorrichtung zum Abstuetzen des abzuschneidenden Streifens an einer Schere zum Schneiden von Blechen u.dgl.
DE3431111C2 (fr) * 1984-08-24 1987-10-08 Steiner, Richard, 5901 Wilnsdorf, De
DE3503045A1 (de) * 1985-01-30 1985-08-14 Scharringhausen Maschinenbau GmbH, 7522 Philippsburg Vorrichtung zum abstuetzen des abzutrennenden streifens an einer schere zum schneiden von blechen und dergleichen
DE3544899C2 (fr) * 1985-12-19 1989-03-02 Gwf Guenzburger Werkzeugmaschinenfabrik Gmbh, 8870 Guenzburg, De

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20170203456A1 (en) * 2014-07-09 2017-07-20 Vmi Holland B.V. Cutting device for cutting tire components
CN104827117A (zh) * 2014-09-29 2015-08-12 北汽福田汽车股份有限公司 剪料装置及具有该剪料装置的生产线
CN104827117B (zh) * 2014-09-29 2017-03-15 北汽福田汽车股份有限公司 剪料装置及具有该剪料装置的生产线
CN107983886A (zh) * 2017-11-23 2018-05-04 东莞市联洲知识产权运营管理有限公司 一种汽车线束的剪裁装置
CN107983886B (zh) * 2017-11-23 2019-03-05 漫博汽车系统设备（镇江）有限公司 一种汽车线束的剪裁装置
CN109746986A (zh) * 2019-01-14 2019-05-14 新昌县敏影服饰有限公司 一种墙板切割装置
CN110064792A (zh) * 2019-05-21 2019-07-30 中国铁建大桥工程局集团有限公司 一种市政用地铁建设钢板快速切割设备
EP3925744A1 (fr) * 2020-06-16 2021-12-22 Plockmatic International AB Dispositif de perforation pour machine de traitement de documents

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