EP2889092A1 - Dispositif de montage à plaque intermédiaire d'une presse-plieuse - Google Patents

Dispositif de montage à plaque intermédiaire d'une presse-plieuse Download PDF

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Publication number
EP2889092A1
EP2889092A1 EP14004364.7A EP14004364A EP2889092A1 EP 2889092 A1 EP2889092 A1 EP 2889092A1 EP 14004364 A EP14004364 A EP 14004364A EP 2889092 A1 EP2889092 A1 EP 2889092A1
Authority
EP
European Patent Office
Prior art keywords
cam lever
plate
fastening plate
fastening
cam
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.)
Withdrawn
Application number
EP14004364.7A
Other languages
German (de)
English (en)
Inventor
Koutaku Miura
Hideaki Takahasi
Maki Koyama
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Amada Holdings Co Ltd
Original Assignee
Amada Co Ltd
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 Amada Co Ltd filed Critical Amada Co Ltd
Publication of EP2889092A1 publication Critical patent/EP2889092A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
    • B21D5/02—Bending sheet metal along straight lines, e.g. to form simple curves on press brakes without making use of clamping means
    • B21D5/0209—Tools therefor
    • B21D5/0236—Tool clamping
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
    • B21D5/02—Bending sheet metal along straight lines, e.g. to form simple curves on press brakes without making use of clamping means
    • B21D5/0209—Tools therefor

Definitions

  • the present invention relates to an intermediate-plate mounting device of a press brake configured so that a fastening plate used when an intermediate plate on which an upper tool is to be attached is mounted on or removed from an upper table of the press brake is operated by use of a cam lever, and the cam lever is not directly operated but a fine displacement unit is used to finely displace the cam lever, thus finely adjusting a fastening force or a releasing force to the intermediate plate by the fastening plate 3.
  • Patent Literature 1 Japanese Utility Model Laid-Open No. 7-3821
  • the intermediate plate is mounted on the upper table by fastening the intermediate plate by the fastening plate using a bolt.
  • Patent Literature 1 Japanese Utility Model Laid-Open No. 7-3821
  • the intermediate plate mounted on the upper table might interfere with a work while being worked depending on a machining mode, and in that case, the intermediate plate needs to be moved to another position.
  • the intermediate plate needs to be released from the fastening plate by loosening the bolt in advance and to be removed from the upper table.
  • the fastening force or releasing force to the intermediate plate by the fastening plate is finely adjusted in some case, and this is to hold the fastening force or releasing force constant as is well known.
  • An object of the present invention is to improve operability of the fastening plate and to provide an intermediate-plate mounting device of a press brake which improves operability of a fine adjustment work.
  • an intermediate-plate mounting device of a press brake is provided, characterized in that:
  • the fastening plate 3 for fastening or releasing the intermediate plate 32 can be operated by use of the cam levers 4, 4' and thus, operability of the fastening plate 3 can be improved ( Fig. 2 , Fig.
  • the cam lever 4 makes a horizontal turning motion toward a side of a machine body and is accommodated in the fastening plate 3 and thus, it does not constitute an obstacle, interference with a work W while being worked ( Fig. 1 ) can be avoided, and an effect that interference with a lever 36 (left view in Fig.
  • Fig. 1 is a view illustrating an embodiment of the present invention.
  • a press brake illustrated in Fig. 1 has side plates 30 on both sides of a machine body, a an upper table 1 which is a ram is mounted on upper parts of the side plates 30 through ram driving sources (a hydraulic cylinder, an electric motor and the like, for example) 34, 35, an intermediate plate 32 is mounted on the upper table 1 through a fastening plate 3 ( Fig. 2 ) which will be described later, and a punch P ( Fig. 1 ) which is an upper tool is attached to the intermediate plate 32.
  • ram driving sources a hydraulic cylinder, an electric motor and the like, for example
  • an operation panel 31 connected to a control portion (not shown) is movably provided, and a bending order calculated manually by a worker S, tools composed of the punch P, a die D and the like used for each of the bending order are displayed on a screen of the operation panel 31.
  • a lower table 2 is arranged on a lower part of the side plate 30, and the die D which is a lower tool is attached to the lower table 2 through a holding plate 33.
  • the press brake in Fig. 1 is a lowering type press brake, and the worker S positions and makes a work W abut against a stop 5 of a back gauge arranged in the rear of the lower table 2 and then, steps on a foot pedal 6, the hydraulic cylinders which are above-described ram driving sources 34, 35, for example, are operated, and by lowering the upper table 1, the work W is bent by collaboration between the punch P and the die D.
  • a raising type press brake in which the work W is bent similarly by collaboration between the punch P and the die D by rise of the lower table 2 can be also used.
  • Figs. 2 to 8 illustrate a first embodiment
  • Figs. 9 to 15 illustrate a second embodiment, respectively, and the first embodiment will be described in detail first.
  • a fastening plate 3 ( Fig. 3 ) and a hinge bracket 11 on a side of the upper table 1 in front the fastening plate 3 are supported by common support shafts 7, 8, and a cam lever 4 having a turning shaft 12 (hereinafter referred to as a first cam lever 4) is provided on the hinge bracket 11 capable of a horizontal turning motion.
  • the fastening plate 3 has a function of mounting (clamping) or removing (unclamping) the intermediate plate 32 with respect to the upper table 1 by fastening or releasing the intermediate plate 32 ( Fig. 6 ).
  • a cam lever accommodating portion formed of wall surfaces 3A, 3B, 3C, 3D, and 3E is formed, and the cam lever accommodating portion is capable of accommodating the first cam lever 4 ( Fig. 2 )
  • a cam-part accommodating portion 16 formed of wall surfaces 3A, 3B, 3C, and 3D is formed, while at a substantially right side part in the longitudinal direction, a lever-part accommodating portion 17 formed of a wall surface 3E is formed similarly, respectively.
  • the cam-part accommodating portion 16 accommodates a cam part 4A in the first cam lever 4, while the lever-part accommodating portion 17 accommodates a lever part 4B in the first cam lever 4.
  • the wall surface 3A in parallel with a longitudinal direction (Y-axis direction) is the deepest, and a depth of the wall surface 3D facing the wall surface 3A is approximately half the wall surface 3A ( Fig. 5A ).
  • the wall surface 3E going to a right side from the wall surface 3D and in parallel with a longitudinal direction (X-axis direction) orthogonal to the wall surface 3E is provided, and as described above, the above-described lever-part accommodating portion 17 ( Fig. 3 ) is formed by the wall surface 3E.
  • the wall surface 3A ( Fig. 5B ) is equal to the wall surface 3D added with the lever part 4B, the first cam lever 4 ( Fig. 2 ) is fully accommodated in the fastening plate 3 and the both are integrated, and there is nothing to protrude toward the outside.
  • the hinge bracket 11 ( Fig. 3 ) supports the turning shaft 12 when the first cam lever 4 makes a horizontal turning motion and also has a function of sandwiching compression springs 9, 10 between the fastening plate 3 and itself.
  • the hinge bracket 11 has a projection 11E at its center part, and closed holes 11C, 11D adjacent to the projection 11E and through holes 11A, 11B on an outside thereof are formed, respectively.
  • the projection 11E of the hinge bracket 11 passes through a through hole 3F formed at a center part of the fastening plate 3 and enters into the above-described cam-part accommodating portion 16 and at the same time, the entire hinge bracket 11 is located on a side of the upper table 1 in front of the fastening plate 3.
  • the support shafts 7, 8 penetrate the through holes 3G, 3H of the fastening plate 3 and the through holes 11A, 11B of the hinge bracket 11 and are screwed into screw holes 1A, 1B of the upper table 1, and the hinge bracket 11 is brought into close contact with the upper table 1 by pressing forces of the support shafts 7, 8 and is firmly fixed.
  • the compression springs 9, 10 are sandwiched between the fastening plate 3 and the hinge bracket 11.
  • the fastening plate 3 is urged toward a direction away from the upper table 1 (worker S ( Fig. 1 ) side), and the fastening plate 3 is brought into contact with columnar head parts of the support shafts 7, 8, and is prevented from dropping from the support shafts 7, 8 ( Fig. 5B ).
  • a hollow portion 11F is formed, the turning shaft 12 of the first cam lever 4 is inserted into the hollow portion 11F with allowance, and the turning shaft 12 is fixed by a fixing screw 15 in the hollow portion 11F ( Fig. 5B ).
  • a set screw 13 is screwed into a top part of the turning shaft 12 ( Fig. 3 ) and a set screw 14 into a bottom part, respectively, the set screws 13, 14 are inserted into an upper part and a lower part of the cam part 4A constituting the first cam lever 4, respectively, and the turning shaft 12 and the projection 11E are both arranged in a dent 4C of the cam part 4A.
  • the first cam lever 4 is provided capable of a horizontal turning motion around the turning shaft 12 fixed in the hollow portion 11F of the projection 11E in front of a front surface of the fastening plate 3 ( Fig. 6 ).
  • the first cam lever 4 is accommodated in the fastening plate 3, but at this time, the columnar head part of the right-side support shaft 8 ( Fig. 3 ) is closely accommodated in the through hole 4D formed in the first cam lever 4 and is configured not to project to an outside or to constitute an obstacle ( Fig. 2 , Fig. 4 ), and this also applies to the projection 11E of the hinge bracket 11, which is accommodated in the dent 4C of the first cam lever 4.
  • the first cam lever 4 ( Fig. 3 ) has, as described above, a function of operating the fastening plate 3 and as well known, by making a horizontal turning motion as a driver ( Fig. 7 ), it has the fastening plate 3 as a follower make a reciprocating motion in the longitudinal direction (Y-axis direction).
  • the first cam lever 4 ( Fig. 3 ) is constituted by the cam part 4A playing a substantial role of the cam and the lever part 4B applying a horizontal turning motion to the cam part 4A.
  • the cam part 4A ( Fig. 7 ) is, as described above, in contact with the fastening plate 3 at all times, and in more detail, an upper rear surface of the cam part 4A ( Fig. 3 ) is in contact with the wall surface 3B of the fastening plate 3 and a lower rear surface of the cam part 4A is in contact with the wall surface 3C of the fastening plate 3, respectively.
  • a corner part 4A1 of the cam part 4A is formed into an R-shape.
  • values of constituent members such as a thickness (Y-axis direction) of the fastening plate 3 are set in advance so that, if the fastening plate 3 makes an advancing motion or a retreating motion by a predetermined distance by an operation of the first cam lever 4, a predetermined fastening force or releasing force is applied from the fastening plate 3 to the intermediate plate 32.
  • the first cam lever 4 By having the first cam lever 4 make a horizontal turning motion toward the machine body, the first cam lever 4 is accommodated in the fastening plate 3.
  • the first cam lever 4 makes a horizontal turning motion in a direction away from the machine body, the first cam lever 4 protrudes with respect to the fastening plate 3 by 90°.
  • the first cam lever 4 acts so as to be separated away from the fastening plate 3, and the fastening plate 3 makes a retreating motion to a direction away from the upper table 1 in accordance with the urging forces of the compression springs 9, 10, and thus, a predetermined releasing force F' in a direction opposite to that of the fastening force F is applied from the fastening plate 3 to the intermediate plate 32, and therefore, the intermediate plate 32 is removed from the upper table 1 (unclamping).
  • the cam part 4A of the first cam lever 4 makes a sliding motion at all times along the fastening plate 3 making a reciprocating motion (Y-axis direction in Fig. 7 ), and the turning shaft 12 of the first cam lever 4 at that time is fixed to the hinge bracket 11 mounted on the upper table 1 ( Fig. 3 ) and does not move.
  • the fastening plate 3 can be operated by use of the first cam lever 4, its operability is improved, and during clamping (left views in Figs. 6A and 6B ), since the first cam lever 4 can be accommodated in the fastening plate 3, it does not constitute an obstacle, interference with a work W while being worked ( Fig. 1 ) can be avoided, and an effect that interference with the lever 36 (left view in Fig.
  • the first cam lever 4 makes the horizontal turning motion toward the machine body side and is accommodated in the fastening plate 3, the first cam lever 4 can be formed larger, and therefore, the first cam lever 4 can be operated more easily for the larger portion, and an effect that eventually operability of the fastening plate 3 is further improved is also obtained.
  • the fine displacement unit 12 (13, 14) ( Figs. 8A and 8B ) will be described below in detail.
  • values of the constituent members such as the thickness (Y-axis direction) of the fastening plate 3 are set in advance so that, if the fastening plate 3 makes a reciprocating motion by a predetermined distance by the above-described operation of the first cam lever 4, the predetermined fastening force or releasing force is applied to the intermediate plate 32 from the fastening plate 3.
  • the thickness of the fastening plate 3 might be larger than usual or smaller to the contrary due to a working error, for example, the fastening force or releasing force to the intermediate plate by the fastening plate needs to be finely adjusted, whereby the fastening force or releasing force is to be held constant.
  • operability of the fine adjustment work is to be improved by finely displacing the fastening plate 3 by finely displacing the cam lever 4 by use of the fine displacement unit 12 (13, 14) ( Fig. 8A ) as described above without directly operating the cam lever in such cases and by finely adjusting the fastening force or releasing force to the intermediate plate by the fastening plate.
  • the fine displacement unit 12 (13, 14) in the first embodiment is the above-described unit configured to finely displace the first cam lever 4 ( Figs. 2 to 7 ) (hereinafter referred to as the first fine displacement unit 12 (13, 14)).
  • This first fine displacement unit 12 (13, 14) ( Fig. 8A ) is constituted by an eccentric shaft 40 ( Fig. 8B ) which is the turning shaft 12 of the first cam lever 4 made eccentric, and the eccentric shaft 40 is supported by the hinge bracket 11 ( Fig. 3 ) and movable in the longitudinal direction (Y-axis direction with rotation), whereby the first cam lever 4 is finely displaced in the longitudinal direction.
  • the turning shaft 12 of the first cam lever 4 is fixed by a fixing screw 15 ( Fig. 5B ), and the first cam lever 4 ( Fig. 8A ) is configured to make a horizontal turning motion with respect to this fixed turning shaft 12.
  • the fixing screw 15 ( Fig. 3 , Fig. 5B ) is loosened so that the turning shaft 12 in the hollow portion 11F is brought into a free state, and this is used as the eccentric shaft 40 ( Fig. 8B ) which does not drop in the hollow portion 11F and is movable in the longitudinal direction (Y-axis direction).
  • the eccentric shaft 40 is, as is well known, a shaft with a core C shifted from the center, and by rotating it by using a hexagonal wrench, for example, the eccentric shaft 40 is moved in the longitudinal direction (Y-axis direction) along with the rotation.
  • Fig. 8B for example, by accommodating the first cam lever 4 in the fastening plate 3 ( Fig. 2 ) into a clamp state and by advancing the eccentric shaft 40 in this state (an arrow J in Fig. 8B ), the eccentric shaft 40 is moved to a position 40', and the first cam lever 4 also advances along with the movement.
  • the first cam lever 4 is advanced or retreated in the longitudinal direction (Y-axis direction) and finely displaced, whereby the fastening plate 3 is finely displaced, and the fastening force F (corresponding to the left view in Fig. 6B ) or the releasing force F' (corresponding to the right view in Fig. 6B ) to the intermediate plate by the fastening plate is finely adjusted so that operability of the fine adjustment work is improved.
  • the fastening plate 3 ( Fig. 10 ) and a plate 24 on the upper table 1 side in front of the fastening plate 3 are supported by common support shafts 20, 21, and a cam lever 4' (hereinafter referred to as a second cam lever 4') having a turning shaft 25 (a stripper bolt, for example) is provided on the fastening plate 3, capable of a horizontal turning motion.
  • a cam lever 4' (hereinafter referred to as a second cam lever 4') having a turning shaft 25 (a stripper bolt, for example) is provided on the fastening plate 3, capable of a horizontal turning motion.
  • the fastening plate 3 similarly has a function of mounting (clamping) or removing (unclamping) the intermediate plate 32 with respect to the upper table 1 by fastening or releasing the intermediate plate 32 ( Fig. 13 ).
  • a second cam lever accommodating portion formed of a wall surface 3H and a bottom surface 3J is formed, and the second cam lever 4' can be accommodated in the second cam lever accommodating portion ( Fig. 9 ).
  • the turning shaft 25 of the second cam lever 4' ( Fig. 10 ) is fixed to the bottom surface 3J in the upper part of the fastening plate 3 and is arranged in the second cam lever accommodating portion, and the second cam lever 4' is capable of a horizontal turning motion in front of the upper part of the fastening plate 3.
  • the second cam lever 4' ( Fig. 9 ) is fully accommodated in the fastening plate 3 and the both are integrated, and there is nothing to protrude toward the outside.
  • the plate 24 ( Fig. 10 ) similarly has a function of sandwiching the compression springs 22, 23 between the fastening plate 3 and itself.
  • the plate 24 has, as illustrated in Fig. 10 , inverted U-shaped through holes 24A, 24B with lower sides open at symmetrical positions in the longitudinal direction (X-axis direction).
  • the support shafts 20, 21 are penetrated into the through holes 3K, 3L of the fastening plate 3 and the inverted U-shaped through holes 24A, 24B of the plate 24 and screwed into the screw holes 1A, 1B of the upper table 1, and the plate 24 is similarly brought into close contact with the upper table 1 by pressing forces of the support shafts 20, 21 and is firmly fixed.
  • the compression springs 22, 23 are sandwiched between the fastening plate 3 and the plate 24, and the compression springs 22, 23 are not provided as in the first embodiment ( Fig. 3 , Fig. 5B ) in which the compression springs 9, 10 are provided inside, for example, adjacent to the support shafts 7, 8, but the compression springs 22, 23 are wound around the support shafts 20, 21 themselves ( Fig. 10 , Fig. 12B ).
  • head parts 20A, 21A of the support shafts 20, 21 supporting the fastening plate 3 and the plate 24 on the upper table 1 side which is in front of the fastening plate 3 are formed not into columnar shapes as in the first embodiment ( Fig. 5B ) but into bowl shapes ( Fig. 12B ), and contact surfaces of the bowl-shaped head parts 20A, 21A and the through holes 3K, 3L are formed of spherical surfaces, respectively.
  • the fastening plate 3 is urged toward a direction away from the upper table 1 (worker S ( Fig. 1 ) side) on the basis of the urging forces of the compression springs 22, 23, and the fastening plate 3 is brought into contact with the bowl-shaped head parts 20A, 21A of the support shafts 20, 21 through the through holes 3K, 3L ( Fig. 12B ) and is prevented from dropping from the support shafts 20, 21.
  • a cam part 4'A ( Fig. 14 ) of the second cam lever 4' fixes the turning shaft 25 ( Fig. 14 ) to this urged fastening plate 3 (in more detail, an upper bottom surface 3J of the fastening plate 3 ( Fig. 10 )), while the cam part 4'A is in contact with the plate 24 fixed to the upper table 1 at all times.
  • the second cam lever 4' ( Fig. 10 ) has, as described above, a function of operating the fastening plate 3 and as is well known, by making a horizontal turning motion as a driver ( Fig. 14 ), it has the fastening plate 3 as a follower make a swing motion (arrows H, H' in Fig. 13 ) by using the bowl-shaped head parts 20A, 21A ( Fig. 13 ) as fulcrum.
  • the second cam lever 4' ( Fig. 10 ) is similarly constituted by the cam part 4' A playing a substantial role of the cam and a lever part 4' B applying a horizontal turning motion to the cam part 4'A.
  • a corner part 4'A1 of the cam part 4'A is formed into an R-shape.
  • the second cam lever 4' By having the second cam lever 4' make a horizontal turning motion toward the machine body side, the second cam lever 4' is accommodated in the fastening plate 3 (left view in Fig. 13 ).
  • the fastening plate 3 makes a swing motion (arrow H in Fig. 13 ) using the bowl-shaped head parts 20A, 21A as fulcrums and becomes a perpendicular state as illustrated.
  • the fastening plate 3 makes a swing motion (arrow H' in Fig. 13 ) by using the bowl-shaped head parts 20A, 21A as fulcrums and is slightly inclined as illustrated ( ⁇ ° to a perpendicular line).
  • the fastening plate 3 can be operated by using the second cam lever 4' similarly, its operability is improved, and since the second cam lever 4' can be accommodated in the fastening plate 3 during clamping (left view in Fig. 13 ), it does not constitute an obstacle, interference with the work W ( Fig. 1 ) while being worked can be avoided, and an effect that interference with a lever 36 of the intermediate plate 32 ( Fig.
  • the fine displacement units 27, 26 ( Fig. 15 ) will be described below in detail, but the gist is totally the same as that of the fine displacement unit 12 (13, 14) ( Fig. 8 ) of the first embodiment described above, and explanation will be omitted.
  • the fine displacement units 27, 26 ( Fig. 15 ) in the second embodiment is the above-described units configured to finely displace the second cam lever 4' ( Figs. 9 to 14 ) (hereinafter referred to as second fine displacement units 27, 26).
  • These second fine displacement units 27, 26 are constituted by a notch portion 27 formed in the cam part 4'A ( Fig. 15 ) of the second cam lever 4' and a displacement screw 26 configured to deform the notch portion 27 and to finely displace the end portion T'1 of the cam part 4'A, the end portion T'1 of the cam part 4'A is finely displaced along with rotation of the displacement screw 26, whereby the second cam lever 4' is finely displaced in the longitudinal direction (Y-axis direction) (corresponding to Fig. 14 ).
  • the second cam lever 4' is brought into an unclamped state once (corresponding to Fig. 14B ), the displacement screw 26 is exposed from the end portion T'1 ( Fig. 15 ), and the displacement screw 26 is rotated by using the hexagonal wrench, for example, as described above.
  • the fastening plate 3 By bringing back to the clamped state after that (corresponding to Fig. 14A ), the fastening plate 3 can be made to make a slight swing motion (corresponding to arrows H, H' in Fig. 13 ), and the fastening force G or the releasing force G' to the intermediate plate 32 by the fastening plate 3 can be finely adjusted.
  • the second cam lever 4' On the basis of a position of T''1 ( Fig. 15 ) in the unclamped state, for example, if displacement is made to the position of T'1, the second cam lever 4' is also displaced along with the displacement and when it is brought into the clamped state (corresponding to Fig. 14A ), the fastening plate 3 is separated away from the plate 24, and therefore, it makes a swing motion in a clockwise direction (arrow H in the left view in Fig. 13 ), and thus, the fastening force G to the intermediate plate 32 can be finely adjusted.
  • the second cam lever 4' is also displaced along with the displacement, and when it is brought into the clamped state (corresponding to Fig. 14A ), the fastening plate 3 is brought close to the plate 24, and therefore, it makes a swing motion (arrow H' in the right view in Fig. 13 ) in a counterclockwise direction, and thus, the releasing force G' to the intermediate plate 32 can be finely adjusted.
  • the fastening plate 3 is made to make a swing motion (arrows H, H' in Fig. 13 ) so as to be finely displaced, the fastening force G or a releasing force G' to the intermediate plate 32 by the fastening plate 3 is finely adjusted so that operability of the fine adjustment work is improved.
  • the present invention is extremely advantageous when used in the intermediate-plate mounting device of a press brake which improves operability of the fastening plate and improves operability of the fine adjustment work and moreover, when used both for a lowering press brake and a rising press brake regardless of the form of the press brake.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
EP14004364.7A 2013-12-24 2014-12-22 Dispositif de montage à plaque intermédiaire d'une presse-plieuse Withdrawn EP2889092A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2013265633A JP2015120185A (ja) 2013-12-24 2013-12-24 プレスブレーキの中間板取付装置

Publications (1)

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EP2889092A1 true EP2889092A1 (fr) 2015-07-01

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EP14004364.7A Withdrawn EP2889092A1 (fr) 2013-12-24 2014-12-22 Dispositif de montage à plaque intermédiaire d'une presse-plieuse

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JP (1) JP2015120185A (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6697949B2 (ja) * 2016-05-17 2020-05-27 株式会社アマダ 金型締付装置
JP6522080B1 (ja) * 2017-11-02 2019-05-29 株式会社アマダホールディングス プレスブレーキの中間板取付装置
WO2020017532A1 (fr) 2018-07-17 2020-01-23 株式会社アマダホールディングス Outil pour une presse
US20210323046A1 (en) 2018-07-17 2021-10-21 Amada Co., Ltd. Tool changer
EP3967417A4 (fr) 2019-05-07 2022-06-22 Amada Co., Ltd. Frein à pression

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05111718A (ja) * 1991-10-23 1993-05-07 Amada Co Ltd 板材の曲げ機械の中間板の調整装置
JPH073821A (ja) * 1992-02-21 1995-01-06 Think Lab Kk 耐圧盤基礎コンクリート上に地中梁と土間スラブを構築する方法
JPH073821U (ja) 1993-06-21 1995-01-20 株式会社東洋工機 プレスブレーキ
EP0934782A2 (fr) * 1998-01-28 1999-08-11 Tecnostamp Srl Système d'entraínement des machoires de serrage dans des presses de déformation
JP2002282946A (ja) * 2001-03-29 2002-10-02 Amada Co Ltd 中間板装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05111718A (ja) * 1991-10-23 1993-05-07 Amada Co Ltd 板材の曲げ機械の中間板の調整装置
JPH073821A (ja) * 1992-02-21 1995-01-06 Think Lab Kk 耐圧盤基礎コンクリート上に地中梁と土間スラブを構築する方法
JPH073821U (ja) 1993-06-21 1995-01-20 株式会社東洋工機 プレスブレーキ
EP0934782A2 (fr) * 1998-01-28 1999-08-11 Tecnostamp Srl Système d'entraínement des machoires de serrage dans des presses de déformation
JP2002282946A (ja) * 2001-03-29 2002-10-02 Amada Co Ltd 中間板装置

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