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Stamping equipment and control method for stamping equipment

A technology of stamping equipment and a control method, which is applied in the field of stamping equipment and the control of stamping equipment, can solve the problems of large-scale stamping equipment and increased energy consumption, and achieve the effects of suppressing energy consumption, improving ejection ability, and promoting rotation

Inactive Publication Date: 2011-11-30
KOMATSU SANKI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, there is a problem that the size of the entire press equipment increases due to the increase in the size of the motor, and the energy consumption increases.

Method used

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  • Stamping equipment and control method for stamping equipment
  • Stamping equipment and control method for stamping equipment
  • Stamping equipment and control method for stamping equipment

Examples

Experimental program
Comparison scheme
Effect test

no. 1 approach 〕

[0042] Hereinafter, a first embodiment of the present invention will be described with reference to the drawings. It should be noted that, in the second embodiment and onwards described later, the same components and components having the same functions as those in the first embodiment described below are assigned the same reference numerals, and the description thereof will be simplified or omitted.

[0043] exist figure 1 Among them, the stamping equipment 1 has: a main body frame 2 composed of a plurality of plate-shaped frame members; a backing plate 3 arranged on the front side of the lower part of the main body frame 2; a crank mechanism 4 arranged on the upper part of the main body frame 2; 4 slider 5 connected freely up and down; servo motor 7 as a motor that drives crank mechanism 4 via main gear 6; figure 2 reference).

[0044] The main body frame 2 is provided with a pair of vertical plate-shaped frames 21 forming both sides and a thick-plate-shaped slider suppor...

no. 2 approach 〕

[0086] Next, according to Image 6 and Figure 7 A second embodiment of the present invention will be described.

[0087] In the first embodiment described above, the allowable stop time TL of the slider 5 corresponding to the load L is read from the allowable stop time table stored in the storage device 8A, and when the stop time T of the slider 5 is within the allowable stop time TL In the above case, a vibration component is given to the control command of the servo amplifier 71 .

[0088] On the other hand, in the second embodiment, the allowable stop time table is not used in the determination of the necessity of the vibration component, and the vibration component is given when the stop time T of the slider 5 is equal to or greater than the allowable stop time TA at the time of the maximum load. , which is different.

[0089] That is, if Image 6 As shown, the bottom dead center release device 10 of this embodiment does not include the load detector 56 . In addition...

no. 3 approach 〕

[0098] Next, according to Figure 9 and Figure 10 A third embodiment of the present invention will be described.

[0099] In the first embodiment described above, the stop time T of the slider 5 is calculated, and when the stop time T exceeds the allowable stop time TL corresponding to the load L of the slider 5, a vibration component is given to the control command of the servo amplifier 71. .

[0100] On the other hand, in the third embodiment, whether or not it is necessary is determined from the relationship between the scheduled stop time TB of the slider 5 obtained from the sliding operation, the allowable stop time TL corresponding to the load L, and the allowable stop time TA at the time of the maximum load. The imparting of vibration components is different in this point.

[0101] Specifically, as Figure 9 As shown, the necessary vibration determination unit 87 of the control device 8 reads the allowable stop time TL of the slider 5 corresponding to the load L f...

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PUM

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Abstract

The invention provides a piece of punching equipment and a control method thereof. The punching equipment makes a sliding piece lift through driving an eccentric shaft to rotate by a motor. The punching equipment also includes a sliding piece position output device used to output a position of the sliding piece; a control device used to control the drive of the motor according to the position of the sliding piece output by the sliding piece position output device. The control device includes an arriving determining part determining whether the sliding piece arrives at a lower dead center; a stopping determining part determining whether the sliding piece stops or not; and a giving part giving vibration components. The giving part gives repeated vibration components of forward rotation and reverse rotation of the motor to a control instruction of the motor when the sliding piece stops near the lower dead center.

Description

technical field [0001] The invention relates to stamping equipment and a control method for the stamping equipment. Background technique [0002] Conventionally, there is known a press machine that drives a slider up and down by torque from a motor. Such a press machine is provided with a crank mechanism, and when a shaft of the crank mechanism is rotated by an electric motor, the crank mechanism moves the slider up and down. [0003] In the press equipment, the main frame of the press equipment is elongated (supported) against the load in the state where the upper die and the lower die are engaged near the bottom dead center or when the workpiece is bitten between the upper die and the lower die. And the slider driving mechanism resists the elastic displacement of the main body frame and becomes the state of the pillar. If the press machine is stopped for a predetermined time in this state, the shaft of the crank mechanism is pressed by bearings such as bushings, and the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B30B15/14
Inventor 佐藤宏秀武内久典正藤勇介
Owner KOMATSU SANKI
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