Workpiece transfer apparatus, control method for workpiece transfer apparatus, and press line

A conveying device and conveying control technology, which is applied in the stamping production line field, can solve problems such as control quantity variation, workpiece drop, workpiece conveying device failure, etc., and achieve the effect of suppressing vibration and preventing falling off
CN101189082AActive Publication Date: 2008-05-28IHI CORP
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
IHI CORP
Publication Date
2008-05-28

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Abstract

The present invention provides a workpiece conveying device that uses a predetermined gripping mechanism to hold and convey the workpiece between punching devices that drive molds respectively, and has a conveying control mechanism that is based on a combination of punches located upstream in the conveying direction of the workpiece. The position of the above-mentioned gripping mechanism is controlled by a combined target value obtained by combining the die position of the device, that is, the position of the upstream side die, and the position of the die of the punching device on the downstream side, that is, the position of the downstream side die. The gripping mechanism moves smoothly, thereby suppressing the vibration of the workpiece conveying device in the press line.
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Description

technical field

[0001] The invention relates to a workpiece conveying device, a control method of the workpiece conveying device and a stamping production line.

[0002] this application claims priority based on Japanese Patent Application No. 2005-165775 for which it applied in Japan on June 6, 2005, and uses the content here. Background technique

[0003] Conventionally, a phase difference control method is known as a method of controlling a press device and a workpiece conveyance device in a tandem press line. In this phase difference control method, the punching angle, which is the die position of the upstream punching device, and the punching angle of the downstream punching device are controlled so that there is a predetermined phase difference so that the workpiece conveying device does not interfere with the die when loading / feeding workpieces. . According to such a phase difference control method, the workpiece can be conveyed without stopping the upstream press d...

Claims

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