公开(公告)号：US11292221B2

公开(公告)日：2022-04-05

申请号：US16260781

申请日：2019-01-29

申请人： SCHULER PRESSEN GMBH

发明人： Dietmar Schoellhammer ,  Uwe Kreth

IPC分类号： B30B15/14 ,  B30B15/26 ,  G01B11/30 ,  G05B23/02 ,  B21D24/10 ,  B21D22/02 ,  G05B19/418 ,  B30B15/16 ,  G05B13/04 ,  B21D22/06 ,  G05B17/02 ,  B21D22/20

摘要： A press and a process for operating it, has an upper tool and a lower tool for shaping a workpiece and a work unit including a press drive and/or a drawing device, is controllable by a controller, to perform the shaping process. The controller outputs, to the work unit, press process values, which define the sequence of events of the shaping process. Workpiece parameters characterize, for example, the material and/or the shape and/or at least one dimension and/or quality of the workpiece, which still has to be shaped or has already been shaped. The controller is assigned a composition matrix which contains, for each defined workpiece parameter and for each defined press process value, an individually changeable function, to describe the relationship between every one of the defined workpiece parameters and the defined press process values. This composition matrix allows a quick and rapid adjustment and adaptation of the press.

公开(公告)号：US10259031B2

公开(公告)日：2019-04-16

申请号：US15158049

申请日：2016-05-18

申请人： AIDA ENGINEERING, LTD.

发明人： Yasuyuki Kohno

IPC分类号： B21D24/14 ,  B21D24/02 ,  B21D24/10 ,  F16F15/027 ,  B30B15/02

摘要： A die cushion device of a press machine includes: a plurality of cushion pads; a plurality of die cushion force generators that supports the plurality of respective cushion pads, and that is capable of independently moving up and down the plurality of respective cushion pads as well as independently generating die cushion force for each of the cushion pads; and a die cushion controller that controls the plurality of die cushion force generators to independently move up and down the plurality of respective cushion pads as well as to independently generate die cushion force for each of the cushion pads.

公开(公告)号：US09038431B2

公开(公告)日：2015-05-26

申请号：US13068054

申请日：2011-04-29

申请人： Michael Micklisch ,  Markus Müller

发明人： Michael Micklisch ,  Markus Müller

IPC分类号： B21D24/14 ,  B21D24/10 ,  B21D24/02 ,  F15B11/036

CPC分类号： B21D24/14 ,  B21D24/02 ,  B21D24/10 ,  F15B11/036 ,  F15B2211/6336 ,  F15B2211/6651 ,  F15B2211/6653 ,  F15B2211/7055 ,  F15B2211/76 ,  F15B2211/765 ,  F15B2211/775

摘要： The invention resides in a hydraulic cylinder (23) for a hydraulic drawing cushion (20) of a drawing press (10). The hydraulic cylinder (23) includes a first operating chamber (47), a second operating chamber (48), and a third operating chamber (53). An annular piston (45) with a first piston surface area (49) and a second piston surface area (50) separates the first operating chamber (47) from the second operating chamber (48). The first and the second piston surfaces (49, 50) have the same size. A front surface of the piston rod (33) forms a third piston surface (54) which is larger than the first and second piston surfaces. The third piston surface (54) delimits the third operating chamber (53) of the hydraulic cylinder (23). The first and the second operating chambers (47, 48) are provided for controlling the position and/or the movement of the piston rod (33). The third operating chamber (53) serves to control the metal sheet clamping force of the drawing press via the piston rod (33).

摘要翻译： 本发明涉及一种用于拉伸压机（10）的液压牵引垫（20）的液压缸（23）。 液压缸（23）包括第一操作室（47），第二操作室（48）和第三操作室（53）。 具有第一活塞表面区域（49）和第二活塞表面区域（50）的环形活塞（45）将第一操作室（47）与第二操作室（48）分开。 第一和第二活塞表面（49,50）具有相同的尺寸。 活塞杆（33）的前表面形成比第一和第二活塞表面大的第三活塞表面（54）。 第三活塞表面（54）限定液压缸（23）的第三操作室（53）。 第一和第二操作室（47,48）被设置用于控制活塞杆（33）的位置和/或运动。 第三操作室（53）用于经由活塞杆（33）来控制拉拔压力机的金属板夹紧力。

公开(公告)号：US20100313624A1

公开(公告)日：2010-12-16

申请号：US12814684

申请日：2010-06-14

申请人： Hiroyuki Dekita ,  Tetuo Ohno ,  Kenji Ito ,  Kazushige Matsuura

发明人： Hiroyuki Dekita ,  Tetuo Ohno ,  Kenji Ito ,  Kazushige Matsuura

IPC分类号： B21D24/10

CPC分类号： B21D43/05 ,  B21D43/055 ,  B21K27/04

摘要： A die includes a stationary die, a movable die, which is opposed to the stationary die and reciprocatable in a first direction to change a distance between the stationary and movable dies, and a transfer mechanism, which transfers a workpiece, upon which plastic deformation work is performed between the stationary and movable dies, in a second direction crossing the first direction. The transfer mechanism includes a clamp portion, which clamps/unclamps the workpiece, a synchronizing member, which is engaged with the movable die to reciprocate in synchronization with reciprocation of the movable die, a clamp-unclamp operation converter, which converts reciprocation of the synchronizing member into clamping/unclamping of the workpiece by the clamp portion, and an advance-return operation converter, which converts reciprocation of the synchronizing member into advance-return operation of the clamp portion, whereby the clamp portion advances the workpiece in the second direction and is returned after advancement of the workpiece.

摘要翻译： 模具包括固定模具，可移动模具，其与固定模具相对并且在第一方向上可往复运动以改变固定模具和可动模具之间的距离;以及传送机构，其传送工件，塑性变形工作 在固定和可动模具之间沿与第一方向交叉的第二方向进行。 传送机构包括夹紧/释放工件的夹持部，与可动模具接合的同步构件，与可动模具的往复运动同步地往复运动;夹紧松开操作转换器，其转换同步 构件通过夹持部分夹紧/松开工件;以及前进返回操作转换器，其将同步构件的往复运动转换成夹紧部分的预先返回操作，由此夹紧部分沿着第二方向前进工件， 在工件前进后返回。

公开(公告)号：US07681427B2

公开(公告)日：2010-03-23

申请号：US11576532

申请日：2005-10-05

申请人： Michael Op de Hipt ,  Rudolf Welk

发明人： Michael Op de Hipt ,  Rudolf Welk

IPC分类号： B21D24/10 ,  B21D24/16

CPC分类号： B21D24/00 ,  B21D28/00 ,  B21D28/16 ,  Y10T29/49813

摘要： A device for the production and/or machining of parts, in particular for the production of stampings, by at least one die which is capable of being put under pressure and/or force, and which has at least one plate and one die element, the die element being supported in the plate against pressure elements via a resilient element.

摘要翻译： 一种用于生产和/或加工零件的装置，特别是用于生产冲压件的装置，所述装置由至少一个能够被施加压力和/或力并且具有至少一个板和模具元件的模具， 模具元件通过弹性元件支撑在板中抵靠压力元件。

公开(公告)号：US20050274243A1

公开(公告)日：2005-12-15

申请号：US11151211

申请日：2005-06-14

申请人： Kazuhiko Shiroza ,  Yukiyoshi Takayama ,  Hiroaki Honma ,  Seiji Seki

发明人： Kazuhiko Shiroza ,  Yukiyoshi Takayama ,  Hiroaki Honma ,  Seiji Seki

IPC分类号： B21D24/10 ,  B26D1/00

CPC分类号： B21D24/10 ,  Y10T83/04

摘要： A die cushion controlling apparatus for controlling an operation of a cushion pad, which comprises a pad drive mechanism for driving to raise or lower the cushion pad while applying an upward energizing force, a load measuring unit for measuring a load generated in the cushion pad, a time detecting unit for detecting a generating time and a vanishing time of the load, and a control unit for controlling the pad drive mechanism so that a load measured value measured by the load measuring unit follows a preset load pattern during a period from when the time detecting unit detects the generating time of the load until when the time detecting unit detects the vanishing time of the load.

摘要翻译： 一种用于控制缓冲垫的操作的模具缓冲控制装置，其包括用于驱动以提起或降低缓冲垫同时施加向上的通电力的衬垫驱动机构，用于测量缓冲垫中产生的负载的负载测量单元， 时间检测单元，用于检测负载的产生时间和消失时间;以及控制单元，用于控制焊盘驱动机构，使得由负载测量单元测量的负载测量值在从 时间检测单元检测负载的产生时间，直到时间检测单元检测到负载的消失时间。

公开(公告)号：US5572891A

公开(公告)日：1996-11-12

申请号：US347609

申请日：1994-12-01

申请人： Greg Klein ,  Allen Omernick

发明人： Greg Klein ,  Allen Omernick

IPC分类号： B21D43/14 ,  B21D24/10

CPC分类号： B21D43/14

摘要： A can body making apparatus has an encoder that generates a signal representative of the angular position of the crankshaft. The signal is input to a controller that controller an feeding mechanism in phased timed relationship to the rotation of the crankshaft allowing greater control of the feeding mechanism.

摘要翻译： 罐体制造装置具有生成表示曲轴的角位置的信号的编码器。 该信号输入到控制器，该控制器控制与曲轴的旋转相位定时关系的进给机构，从而可以更好地控制进给机构。

公开(公告)号：US5448902A

公开(公告)日：1995-09-12

申请号：US166990

申请日：1993-12-16

申请人： Volker Thoms ,  Mathias Liewald ,  Stephanus Faller ,  Wilfried Reimche ,  Dieter Stegemann

发明人： Volker Thoms ,  Mathias Liewald ,  Stephanus Faller ,  Wilfried Reimche ,  Dieter Stegemann

IPC分类号： B21D24/10 ,  B21D22/20 ,  B21D22/21 ,  B21D24/14 ,  G01H1/00 ,  G01H13/00 ,  G01N29/14 ,  B21D22/22

CPC分类号： G01N29/14 ,  B21D22/201 ,  B21D22/22 ,  B21D24/14 ,  B21D5/004 ,  G01H1/00 ,  G05B2219/45143 ,  G05B2219/50197

摘要： The invention relates to a method for the iterative process optimization of drawing processes, occurring in timed sequence, in drawing presses. The clamping force which can be set at the blank holder is reduced in the case of fractures or increased in the case of part folding or maintained at the same level in the case of acceptable parts. In order to be able to detect the drawn part quality with respect to the criteria of "fractures", "acceptable" or "folding" automatically during each working cycle the normal variation of the drawing sound is determined by means of a sound emission analysis of the structure-borne sound caused by the drawn part during the drawing process in the drawing tool, and from this a characteristic level course from periodic to stochastic sound components is determined. During the production of the drawn parts, the structure-borne sound signal is examined in each case with regard to the simultaneous occurrence of abnormal amplitude discontinuities in a wide frequency spectrum and, if appropriate, it is concluded that there are "fractures". Furthermore, the structure-borne sound signal is examined in each case with regard to the temporal level course from periodic to stochastic sound components and, if appropriate, it is concluded that there are "folds".

摘要翻译： 本发明涉及一种用于绘图过程的迭代过程优化的方法，其以定时序列出现在绘图压印中。 在可接受的部件的情况下，在断裂的情况下可以设定在夹持器上的夹持力减小，或者在部件折叠的情况下增加夹持力或保持在相同的水平。 为了能够在每个工作循环期间自动检测相对于“断裂”，“可接受”或“折叠”的标准的拉伸部件质量，绘制声音的正常变化通过声音发射分析 确定在绘图工具中的绘图过程中由绘制部分引起的结构声音，并从该周期性到随机声音分量的特征级别进程。 在绘制部件的生产过程中，在宽频谱中同时出现异常振幅不连续性的情况下，对每个情况下的结构声音信号进行检查，如果合适，可以认为存在“断裂”。 此外，关于从周期性到随机声音分量的时间级别进程，在每种情况下检查结构声音信号，并且如果合适，则得出结论是存在“折叠”。

公开(公告)号：US5390127A

公开(公告)日：1995-02-14

申请号：US143024

申请日：1993-10-28

申请人： Sing C. Tang ,  James C. Carnes

发明人： Sing C. Tang ,  James C. Carnes

IPC分类号： B21D22/26 ,  B21D24/10 ,  G05B19/4097 ,  G06F17/50 ,  G06F15/46 ,  B21D5/02

CPC分类号： B21D22/26 ,  B21D24/10 ,  G05B19/4097 ,  G06F17/5018 ,  G05B2219/35017 ,  G05B2219/35044 ,  G05B2219/45204 ,  G06F2217/42 ,  Y02P90/265 ,  Y02T10/82 ,  Y10T29/49622 ,  Y10T29/5116

摘要： Method for predicting post-buckling deformation of a sheet of metal during a draw forming process, for use with a computer including memory, by introducing a set of springs to stabilize the sheet metal close to the onset of buckling, thereby enhancing convergence of numerical solutions. The method is for use with sheet metal forming tools including a draw die, a punch and binder having surfaces designed to form the sheet metal into a part, the sheet metal being represented as a mesh including a plurality of nodes. The method includes applying a displacement increment to the sheet metal nodes and identifying a singularity in a tangent stiffness matrix associated with the sheet metal close to the onset of buckling. The method also includes introducing a plurality of springs at the sheet metal nodes so as to eliminate the singularity and enhance convergence of the numerical solution of the displacement increment.

摘要翻译： 用于在拉丝成形过程中预测金属片的后屈曲变形的方法，用于包括记忆的计算机，通过引入一组弹簧来稳定接近于屈曲开始的金属板，从而增强数值解的收敛 。 该方法用于钣金成型工具，其中包括具有被设计成将金属板形成为一部分的表面的拉丝模，冲头和粘合剂，该金属板表示为包括多个节点的网格。 该方法包括向金属板节点施加位移增量，并且识别与接近起始屈曲的钣金相关联的切线刚度矩阵中的奇点。 该方法还包括在金属片节点处引入多个弹簧以消除奇异性并增强位移增量的数值解的收敛。

公开(公告)号：US5255552A

公开(公告)日：1993-10-26

申请号：US834104

申请日：1992-02-12

申请人： Friedrich B. Bielfeldt

发明人： Friedrich B. Bielfeldt

IPC分类号： B21D24/02 ,  B21D22/22 ,  B21D24/04 ,  B21D24/08 ,  B21D24/10 ,  B21D24/14

CPC分类号： B21D22/22 ,  B21D24/14

摘要： A hydroelastic deep-drawing apparatus in presses for drawing sheet-metal shapes has a ram, a punch, a plurality of short-stroke cylinders, a plurality of drawing pins, a sheet-holder plate supported by the apparatus in relation to the plurality of short-stroke cylinders, a drawing die, a platen having a grid division thereon with a plurality of intersecting points, a plurality of hydraulic short-stroke pistons having multipoint control, each of the short-stroke pistons cooperating with a corresponding one of said plurality of short-stroke cylinders; a common die-cushion plate wherein the drawing pins are 1) arranged according to the geometry of said drawing-die at respective intersecting points of said grid division, and 2) supported on the common die-cushion plate via the short-stroke piston; and a position regulated and synchronous running differential cylinder/piston system which supports the die-cushion plate at its four outer corners. The plurality of short-stroke cylinders can be connected to create hydraulic force action zones according to the geometry of the sheet-holder plate or a workpiece and during the downward travel of the ram, starting at a predetermined coupling point, the die-cushion plate and the sheet-holder plate execute in the direction of the downward travel, a preliminary stroke while simultaneously maintaining a safety spacing between the ram and the sheet-holder plate. Additionally, subsequent to the preliminary stroke, the sheet-holder plate is raised a counterstroke distance relative to the die-cushion plate such that the workpiece is clamped in place; and subsequent to this, the ram executes a drawing operation relative to the punch during the completion of the downward travel of the ram. Thus, the impact shock to the workpiece is minimized.

摘要翻译： 用于绘制钣金形状的压力机中的水压拉深装置具有冲头，冲头，多个短行程气缸，多个拉伸销，由该装置支撑的板保持板相对于多个 短行程气缸，拉模，其上具有多个交叉点的格栅划分的压板，具有多点控制的多个液压短行程活塞，每个短冲程活塞与所述多个相对应的相应一个配合 的短行程气缸; 一个通常的模具缓冲板，其中所述拉丝销是根据所述拉丝模的几何形状在所述格栅分割的各个相交点处布置的，以及2）经由所述短行程活塞支撑在所述共同的模具 - 衬垫板上; 以及一个位置调节和同步运行差速器气缸/活塞系统，在其四个外角支撑模座垫。 可以连接多个短行程气缸，以根据钢板夹板或工件的几何形状产生液压力作用区，并且在冲头的向下运动期间，从预定的联接点开始，模座垫板 并且片材夹持板在向下行进的方向上执行初步行程，同时保持冲头和片夹持板之间的安全间隔。 另外，在初始冲程之后，片材夹持板相对于模具缓冲板升高相对距离，使得工件被夹紧就位; 并且在此之后，在冲压器向下行进完成期间，冲头执行相对于冲头的拉拔操作。 因此，对工件的冲击冲击最小化。