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1.发明申请公开(公告)号：US20180354219A1
公开(公告)日：2018-12-13
申请号：US16000794
申请日：2018-06-05
Applicant: AIDA ENGINEERING, LTD.
Inventor： Yasuyuki KOHNO , Shuichi MATSUNO
CPC classification number: B30B15/282 , B21D24/02 , B21D43/025 , B21D55/00 , B30B15/0094 , B30B15/026 , B30B15/028
Abstract: The double blank detecting device for a press machine uses a press machine with a die cushion device attached thereto, and automatically and repeatedly forms blank materials one by one. The double blank detecting device includes: a position signal acquiring unit that acquires a die cushion position signal indicating a position of a cushion pad of the die cushion device; a load signal acquiring unit that acquires a die cushion load signal indicating a die cushion load generated in the cushion pad of the die cushion device; and a double blank detecting unit that detects, as a double blank, a state where a plurality of the blank materials are overlapped, based on the die cushion position signal and the die cushion load signal that are acquired.
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公开(公告)号：US20170151600A1
公开(公告)日：2017-06-01
申请号：US15366237
申请日：2016-12-01
Applicant: AIDA ENGINEERING, LTD.
Inventor： Yasuyuki KOHNO
IPC: B21D24/02
Abstract: A slide cushion device includes: a hydraulic cylinder group integrally formed in a board provided immediately below a slide; a pressing member that is disposed in a recessed portion of an upper die that vertically moves together with the slide, in a vertically movable manner; a plurality of slide cushion pins that is provided in the pressing member and penetrates the upper die to be brought into contact with a piston member of the hydraulic cylinder group, wherein a number of the cushion pins is less than a number of hydraulic cylinders disposed in a plane of projection of the recessed portion; and a slide cushion hydraulic device that controls hydraulic pressure to be supplied to a compression chamber of the hydraulic cylinder with which a slide cushion pin is to be brought into contact.
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公开(公告)号：US20150360274A1
公开(公告)日：2015-12-17
申请号：US14704469
申请日：2015-05-05
Applicant: AIDA ENGINEERING, LTD.
Inventor： Yasuyuki KOHNO , Tadahiro KONDO
CPC classification number: B21D24/14 , B21D24/02 , F15B1/024 , F15B21/005 , F15B2211/212 , F15B2211/88
Abstract: There is provided a die cushion device that includes a cushion pad, a hydraulic cylinder configured to lift the cushion pad, and a hydraulic closed circuit connected to a die cushion pressure creation chamber of the hydraulic cylinder. The hydraulic closed circuit includes a pilot drive type logic valve that is operable as a main relief valve at the time of the die cushion operation, and a pilot relief valve configured to create pilot pressure for controlling the logic valve. Hydraulic oil is filled in the hydraulic closed circuit, in a pressurized manner, and the hydraulic oil in the hydraulic closed circuit is pressurized by only die cushion force applied from the cushion pad through the hydraulic cylinder, in one cycle period of the cushion pad.
Abstract translation: 提供了一种模具缓冲装置，其包括缓冲垫，构造成提升缓冲垫的液压缸和连接到液压缸的冲压缓冲压力产生室的液压闭合回路。 液压闭合回路包括：先导驱动型逻辑阀，其可在模具缓冲操作时作为主安全阀操作;以及先导溢流阀，其构造成产生用于控制逻辑阀的先导压力。 液压油以加压的方式填充在液压闭合回路中，并且液压闭合回路中的液压油在缓冲垫的一个循环周期中仅通过液压缸从缓冲垫施加的模具缓冲力加压。
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公开(公告)号：US20200307138A1
公开(公告)日：2020-10-01
申请号：US16716212
申请日：2019-12-16
Applicant: AIDA ENGINEERING, LTD.
Inventor： Yasuyuki KOHNO , Kazuki HONJO
Abstract: A press load measuring apparatus includes: strain gauges attached to respective columns of a press machine and configured to detect strains generated in the respective columns respectively in association with a press load acting on a slide of the press machine, an inertial force calculator configured to calculate a slide inertial force proportional to a product of a mass of a slide and a member connected to the slide and a slide acceleration detected by an acceleration detector, and a press load calculator configured to calculate press partial load signals before calibration based on a strain signals detected by the strain gauges, eliminate a slide inertial force signals from the press partial load signals before the calibration, and calculate calibrated press partial load signals.
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公开(公告)号：US20200307137A1
公开(公告)日：2020-10-01
申请号：US16716118
申请日：2019-12-16
Applicant: AIDA ENGINEERING, LTD.
Inventor： Yasuyuki KOHNO , Kazuki HONJO
Abstract: A press load measuring apparatus for a press machine of 1-point type includes: a plurality of strain gauges attached to the respective columns of the press machine, the plurality of strain gauges detecting respective strains generated in the respective columns in association with a press load acting on the slide; a bending moment calculator configured to calculate bending moments acting on respective columns based on an angle formed between a direction of movement of the slide and the connecting rod; and a press partial load calculator configured to calculate press partial load signals corresponding to the respective columns, an impact of bending strain components caused by the bending moments included in the strain signals being eliminated from the press partial load signals based on the bending moments acting on the respective columns detected by strain gauges attached to the respective columns.
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Patent Agency Ranking
公开(公告)号：US20160354828A1
公开(公告)日：2016-12-08
申请号：US15158049
申请日：2016-05-18
Applicant: AIDA ENGINEERING, LTD.
Inventor： Yasuyuki KOHNO
IPC: B21D24/14 , B30B15/02 , F16F15/027 , B21D24/02
CPC classification number: B21D24/14 , B21D24/02 , B21D24/10 , B30B15/026 , F16F15/0275
Abstract: 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.
Abstract translation: 冲压机的模具缓冲装置包括：多个缓冲垫; 多个模具缓冲力产生器，其支撑多个相应的缓冲垫，并且能够独立地上下移动多个相应的缓冲垫，并且独立地为每个缓冲垫独立地产生模具缓冲力; 以及模具缓冲控制器，其控制所述多个模具缓冲力发生器，以独立地上下移动所述多个缓冲垫，以及独立地为每个所述缓冲垫产生模具缓冲力。
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7.发明申请DIE CUSHION APPARATUS OF PRESS MACHINE AND DIE CUSHION CONTROLLING METHOD 有权印刷机和DIE嵌入式控制方法的DIE CUSHION设备公开(公告)号：US20140202223A1
公开(公告)日：2014-07-24
申请号：US14162377
申请日：2014-01-23
Applicant: AIDA ENGINEERING, LTD.
Inventor： Yasuyuki KOHNO , Tadahiro KONDO , Ryosho IWAMURA
IPC: B21D24/02
Abstract: According to the die cushion apparatus of a press machine and the die cushion controlling method of the present invention, in holding the cushion pad on standby at a desired standby position, it is possible to hold the cushion pad on standby in parallel with the lower faces of the dies mounted to the slide, and if the lower faces of the dies are inclined, it is possible to hold the cushion pad on standby in the state of being inclined. Through this configuration, it is possible to easily allow the material to come into contact with the lower faces of the dies from the beginning of the die cushion force control (beginning of the collision), and also possible to smoothen the die cushion action in the plane, thereby enhancing the formability.
Abstract translation: 根据本发明的冲压机的模具缓冲装置和模具缓冲控制方法，在缓冲垫保持待机的期望待机位置时，可以将缓冲垫保持在与下表面平行的待机状态 安装在滑块上的模具，并且如果模具的下表面倾斜，则可以在倾斜的状态下将缓冲垫保持在待机状态。 通过该构造，能够容易地使材料从模具缓冲力控制（碰撞开始）开始与模具的下表面接触，并且还可以平滑模具缓冲作用 平面，从而提高成形性。
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公开(公告)号：US20210121932A1
公开(公告)日：2021-04-29
申请号：US17076497
申请日：2020-10-21
Applicant: AIDA ENGINEERING, LTD.
Inventor： Yasuyuki KOHNO , Kazufumi Tsuchida
IPC: B21D24/02
Abstract: A die cushion device includes four hydraulic cylinders that support a cushion pad, a die cushion load controller that controls each of the hydraulic cylinders and generates a die cushion load on the cushion pad, and a die cushion position controller that controls each of the hydraulic cylinders to control a position of the cushion pad. In a case where only a left part is produced with a left die by a press machine, the die cushion load controller performs die cushion load control on two hydraulic cylinders on the left side, and the die cushion position controller performs die cushion position control on two hydraulic cylinders on the right side.
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公开(公告)号：US20180243811A1
公开(公告)日：2018-08-30
申请号：US15905702
申请日：2018-02-26
Applicant: AIDA ENGINEERING, LTD.
Inventor： Yasuyuki KOHNO
IPC: B21D24/02
Abstract: To provide a die cushion device which is inexpensive, functional, and capable of locking completely (at or below the slide bottom dead center). The die cushion device includes a cushion pad, a hydraulic cylinder that moves the cushion pad up and down, and a hydraulic closed circuit connected to a die cushion pressure generation chamber of the hydraulic cylinder. The hydraulic closed circuit includes a cushion pad lowering pressure generation line and a second system pressure line in addition to a die cushion pressure generation line and a first system pressure line. When the cushion pad is locked at the bottom dead center, the cushion pad lowering pressure generation chamber is connected to the first system pressure line, and the die cushion pressure generation chamber is connected to the second system pressure line such that the cushion pad is held at or below the slide bottom dead center.
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公开(公告)号：US20170080472A1
公开(公告)日：2017-03-23
申请号：US15368315
申请日：2016-12-02
Applicant: AIDA ENGINEERING, LTD.
Inventor： Yasuyuki KOHNO , Tadahiro KONDO , Ryosho IWAMURA
Abstract: According to the die cushion apparatus of a press machine and the die cushion controlling method of the present invention, in holding the cushion pad on standby at a desired standby position, it is possible to hold the cushion pad on standby in parallel with the lower faces of the dies mounted to the slide, and if the lower faces of the dies are inclined, it is possible to hold the cushion pad on standby in the state of being inclined. Through this configuration, it is possible to easily allow the material to come into contact with the lower faces of the dies from the beginning of the die cushion force control (beginning of the collision), and also possible to smoothen the die cushion action in the plane, thereby enhancing the formability.
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