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1. 发明专利

JP2010142852A Press machine, method for discriminating the bottom dead center position thereof and adjustment method therefor 审中-公开
标题翻译：印刷机，用于分辨底部中心位置的方法及其调整方法
公开(公告)号：JP2010142852A
公开(公告)日：2010-07-01
申请号：JP2008324363
申请日：2008-12-19
申请人： Yamada Dobby Co Ltd , 株式会社山田ドビー
发明人： YAMADA TAKEO , MIYAHARA MITSUO , YOSHIDA MASAHIRO , HATTORI RYUICHI
IPC分类号： B30B15/00 , B30B15/14
摘要： PROBLEM TO BE SOLVED: To provide a method which can easily and swiftly discriminate whether the bottom dead center position of a press machine lies at a proper position or not without measuring the precision of an actual press product, and to provide a method which can easily and swiftly adjust the bottom dead center position to a proper position, and a press machine which can perform these methods.
SOLUTION: The bottom dead center position of a press machine provided with a slide movable to a direction approaching a bolster and to a direction separating therefrom is adjusted. By a marking part with a plurality of projecting parts whose height dimensions are different formed on at least either of a pair of dies fitted to the bolster and the slider, a recessed part is formed at the non-product region of a workpiece at the bottom dead center position by the pressing action of the projecting parts, and, based on the number of the recessed parts formed at the bottom dead center position, whether the bottom dead center position of the slider is proper or not is discriminated, or based on the information of the number of the recessed parts, the bottom dead center position is adjusted.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够容易且快速地判断压机的下死点位置是否位于适当位置的方法，而不测量实际冲压产品的精度，并提供一种方法这可以容易且迅速地将下死点位置调整到适当的位置，以及可以执行这些方法的压力机。解决方案：设置有可移动到接近摇枕的方向和与其分离的方向的压力机的下死点位置被调节。通过具有多个突出部分的标记部分，其高度尺寸不同，形成在安装在垫片和滑块上的一对模具中的至少一个上，在底部的工件的非产品区域形成凹部通过突出部的按压动作的死点位置，并且基于形成在下死点位置的凹部的数量，判别滑块的下死点位置是否适当，或者基于凹部数量的信息，下死点位置被调整。版权所有（C）2010，JPO＆INPIT

2. 发明专利

JP2008161903A Press machine 有权
标题翻译：压机
公开(公告)号：JP2008161903A
公开(公告)日：2008-07-17
申请号：JP2006353163
申请日：2006-12-27
申请人： Yamada Dobby Co Ltd , 株式会社山田ドビー
发明人： YOSHIDA MASAHIRO
IPC分类号： B30B1/06 , B30B15/06
CPC分类号： B30B1/14 , B30B15/0035 , B30B15/0064
摘要： PROBLEM TO BE SOLVED: To provide a press machine where the balance of a load applied to a crankshaft can be held, and further, the stroke length of a slide can be controlled.
SOLUTION: The press machine comprises: a frame (12); a crankshaft (14) rotatively supported to the frame; a slide (16) arranged at the lower part of the crankshaft; a first lever (18) swingably supported to the frame; a second lever (20) swingably connected to the first lever via a first pin (34); displacement means (52, 56, 58, 60) supported to the frame and displacing the first pin; and an approximate straight line mechanism (22) applying horizontal force to the first pin so as to convert the rotary movement of respective eccentricity sections (30, 32) in the crankshaft to the elevation movement of the slide.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种可以保持施加到曲轴的负载的平衡的压力机，并且还可以控制滑块的行程长度。解决方案：压机包括：框架（12）; 旋转地支撑在所述框架上的曲轴（14）布置在曲轴下部的滑块（16）; 可摆动地支撑在所述框架上的第一杠杆（18）经由第一销（34）可摆动地连接到所述第一杠杆的第二杠杆（20）; 位移装置（52,56,58,60）支撑在框架上并移动第一销; 以及对第一销施加水平力的近似直线机构（22），以将曲轴中的各个偏心部（30,32）的旋转运动转换成滑块的升高运动。版权所有（C）2008，JPO＆INPIT

3. 发明专利

JP2004298952A Press 审中-公开
公开(公告)号：JP2004298952A
公开(公告)日：2004-10-28
申请号：JP2003097735
申请日：2003-04-01
申请人： Yamada Dobby Co Ltd , 株式会社山田ドビー
发明人： YOSHIDA MASAHIRO
IPC分类号： B30B15/06 , B30B1/06 , B30B1/26
CPC分类号： B30B1/06
摘要： PROBLEM TO BE SOLVED: To provide a link press type press with which complication and enlargement of the press itself are avoidable and which has a slide supported with three or more plungers. SOLUTION: This press (10) includes a frame (12), a crankshaft (14) which is rotatably supported with the frame, a slide (16) which is arranged vertically movably in the frame, a movement converting device (18) for converting the rotational motion of the crankshaft into the vertical motion and a linkage (20) for transmitting the vertical motion to the slide. Furthermore, the press includes a row of three or more plungers (44) which are joined to the slide and upward extended and a connecting member (46) which is connected to the linkage and with which the plungers are mutually connected. COPYRIGHT: (C)2005,JPO&NCIPI

4. 发明专利

JP2003048099A Press 审中-公开
标题翻译：按
公开(公告)号：JP2003048099A
公开(公告)日：2003-02-18
申请号：JP2001237271
申请日：2001-08-06
申请人： Yamada Dobby Co Ltd , 株式会社山田ドビー
发明人： YOSHIDA MASAHIRO
IPC分类号： B30B1/14 , B30B1/26 , B30B15/00
CPC分类号： B30B1/268 , B30B1/14 , B30B15/0029
摘要： PROBLEM TO BE SOLVED: To change a stroke in a short time.
SOLUTION: A press comprises a link mechanism having a pair of levers connected to each other so as to be expanded/contracted by the rotational motion of a crank shaft, and an eccentric shaft disposed on a frame rotatably around the axis extending in a horizontal direction, the eccentric shaft is connected to the link mechanism via a connection piece, one lever and the other lever are connected to the crank shaft and a slide, respectively, and the crank shaft and the eccentric shaft are rotated by separate drive sources.
COPYRIGHT: (C)2003,JPO
摘要翻译：要解决的问题：在短时间内改变中风。解决方案：一种压力机包括连杆机构，该连杆机构具有彼此连接的一对杆，以便通过曲轴的旋转运动而膨胀/收缩;以及偏心轴，该偏心轴设置在围绕沿水平方向延伸的轴线上可旋转的框架偏心轴通过连接件连接到连杆机构，一个杆和另一个杆分别连接到曲轴和滑块，曲轴和偏心轴由独立的驱动源旋转。

5. 发明专利

JP2002205198A POWER TRANSMISSION OF PRESS 失效
公开(公告)号：JP2002205198A
公开(公告)日：2002-07-23
申请号：JP2001002137
申请日：2001-01-10
申请人： YAMADA DOBBY CO LTD
发明人： YOSHIDA MASAHIRO
IPC分类号： B30B15/06 , B30B1/10 , B30B15/00
摘要： PROBLEM TO BE SOLVED: To simplify the structure of a press having a toggle mechanism and a mechanism for adjusting the stroke of a slide. SOLUTION: The press comprises first and second sliders 34 and 40 arranged on a frame 14 movably in the vertical direction with a space therebetween in the vertical direction, a connection 32 for connecting the first slider to an offset part of a crank shaft 16, first and second link pieces 36a and 36b which are a pair of first link pieces 36a pivotably connected to each other in a bendable manner with one and the other of the first link pieces pivotably connected to the first and second sliders, respectively, a third link piece 38 which is pivotably connected to a pivotably connecting point of the first and second link pieces and pivotably connected to a plunger 22 extending from a slide 20, and a position adjusting mechanism 42 for adjusting the height position of the second slide in the vertical direction.

6. 发明专利

JP2002144094A PRESS MACHINE 失效
公开(公告)号：JP2002144094A
公开(公告)日：2002-05-21
申请号：JP2000345160
申请日：2000-11-13
申请人： YAMADA DOBBY CO LTD
发明人： YOSHIDA MASAHIRO
IPC分类号： B30B15/06 , B30B1/06 , B30B1/26 , B30B15/00
摘要： PROBLEM TO BE SOLVED: To make the stroke length of a slide changeable by using a bell crank and to enable a higher speed operation. SOLUTION: The press machine includes a crank shaft 16 which is rotatably born at a frame 14 and a power transmission device 30 which transmits the rotating motion of the crank shaft to the slide 20. The power transmission device includes the bell crank 70 which is born at the frame oscilatably movable around the axis parallel to the axis of rotation of the crank shaft, a connecting member 72 which connects the bell crank and the slide so as to vertically move the slide by accompanying the oscillation motion of the bell crank, a connecting mechanism which is connected to the crank shaft, the bell crank and the slider so as to oscillate the bell crank by accompanying the rotation of the crank shaft and a position regulating mechanism 40 which regulates the position of the slider in a vertical direction.

7. 发明专利

JPH0225720B2 失效
公开(公告)号：JPH0225720B2
公开(公告)日：1990-06-05
申请号：JP2650083
申请日：1983-02-17
申请人： YAMADA DOBBY CO LTD
发明人： TANABE HIROMITSU , YOSHIDA MASAHIRO
IPC分类号： B30B15/06 , B30B15/00

8. 发明专利

JPS6021840B2 失效
公开(公告)号：JPS6021840B2
公开(公告)日：1985-05-29
申请号：JP2676083
申请日：1983-02-18
申请人： YAMADA DOBBY CO LTD
发明人： KODAMA SADAMITSU , YOSHIDA MASAHIRO
IPC分类号： B30B15/06 , B30B15/00 , B30B15/14 , B30B15/28

9. 发明专利

JPS59153600A Correcting device for bottom dead point position of slide of press machine 失效
标题翻译：用于压印机底部底部点位置的校正装置
公开(公告)号：JPS59153600A
公开(公告)日：1984-09-01
申请号：JP2676083
申请日：1983-02-18
申请人： Yamada Dobby Co Ltd
发明人： KODAMA SADAMITSU , YOSHIDA MASAHIRO
IPC分类号： B30B15/06 , B30B15/00 , B30B15/14 , B30B15/28
CPC分类号： B30B15/0041 , B30B15/14
摘要： PURPOSE:To correct automatically the bottom dead point position of a slide without losing the function of a press machine by controlling the oil temp. of a lubricatng oil in accordance with the signal from a sensor which detects the bottom dead point position of the slide. CONSTITUTION:When a bottom dead point position rises to a reference value or above, a CPU20 feeds a prescribed signal to a selecting circuit 21 to operate a relay. If the relay is assumed to be, for example, PL3 and PL7, the normally open contacts PL3a and PLPa of the relays turn on and a resistor VR3a for temp. setting is selected and at the same time, a control circuit for a heating part is operated. The resistance value by the resistor VR3a and a main variable resistor R1a is therefore set at the terminals A, B of a temp. controller circuit 23, by which the temp. of the heating control circuit in the same temp. controller 23 is set. The bottom dead point is thus lowered down to the reference value.
摘要翻译：目的：通过控制油温自动校正滑块的下死点位置，而不会损失压机的功能。根据来自传感器的信号，检测滑块的下死点位置的润滑油。构成：当底部死点位置上升到基准值以上时，CPU20将指定的信号馈送到选择电路21以操作继电器。如果继电器被假定为例如PL3和PL7，则继电器的常开触点PL3a和PLPa导通，并且电阻器VR3a用于温度。选择设定，同时操作加热部的控制电路。因此，电阻器VR3a和主可变电阻器R1a的电阻值被设定在临时温度的端子A，B。控制器电路23，的加热控制电路在同一温度。控制器23被设定。因此，下死点将降低到参考值。

10. 发明专利

JPS59150700A Device for correcting bottom dead point position of slide of press machine 失效
标题翻译：用于校正压印机滑动底点位置的装置
公开(公告)号：JPS59150700A
公开(公告)日：1984-08-28
申请号：JP2650083
申请日：1983-02-17
申请人： Yamada Dobby Co Ltd
发明人： TANABE HIROMITSU , YOSHIDA MASAHIRO
IPC分类号： B30B15/06 , B30B15/00
CPC分类号： B30B15/0064 , B30B15/0041
摘要： PURPOSE:To correct automatically the bottom dead point position of a slide without decreasing production efficiency by controlling the air pressure to be supplied to counter balancers in accordance with the signals relating to the bottom dead point of sensors which detect the bottom dead point position of the slide. CONSTITUTION:A flywheel 10 is rotated by a motor 11 to revolve a crank shaft 7 which moves vertically a slide 5 by means of connection screws 6. Pressing is accomplished by a punch 16 and a die 15. On the other hand, the bottom dead point of the slide 5 is detected by sensors 14. The outputs from the sensors are fed to a control circuit by which the difference from a standard value is decided at all times. If the difference between the reference position and the bottom dead point position exceeds continuously a prescribed value by N-times (preset adequately), the air pressure optimum for correcting the difference is selected and is supplied to counter balancers 9. The bottom dead point position of the slide is thus automatically corrected during the operation of a press machine 1.
摘要翻译：目的：通过根据与传感器下死点相关的信号控制提供给平衡器的气压来自动校正滑块的死点位置，而不会降低生产效率滑动。构成：飞轮10由马达11旋转以旋转曲柄轴7，曲柄轴7通过连接螺钉6垂直移动滑块5.压力由冲头16和模具15完成。另一方面，下死点滑块5的点由传感器14检测。来自传感器的输出被馈送到控制电路，通过该控制电路总是与标准值的差异被决定。如果基准位置和下死点位置之间的差超过规定值N次（充分预设），则选择用于校正差异的最佳气压，并将其提供给平衡器9.下死点位置因此在压机1的操作期间自动校正滑块。

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