Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
BLANKING APPARATUS
Document Type and Number:
Japanese Patent JP2009082969
Kind Code:
A
Abstract:

To provide a blanking apparatus which is prevented from stopping caused by failure in gripping a product when gripping the product to feed it to the next stage, thereby can blank thin sheet materials at high speed and also can prevent the occurrence of abnormal goods caused by the deformation of the product.

After a blanking punch 3 is lowered and the thin sheet material 1 is blanked into a disk shape, a pin 4 is lowered and a blanked disk-shaped blank product 11 is dropped on a receiving base 6 which is formed on a die holder 5. At this time, because a vacuum switching valve of a vacuum forming apparatus is opened concurrently with lowering of the pin 4 and the blank product 11 is sucked in vacuum by a sucking hole through a sucking pipe 10 and a sucking passage 7, the blank product 11 is fixed on the receiving base 6 horizontally. Next, after elevating the blanking die 2 and gripping the blanked disk-shaped blank product 11 by fingers, the vacuum suction of the blank product 11 is released by closing the vacuum switching valve of the vacuum forming apparatus and the blank product is fed to the next stage by the fingers.


Inventors:
Konishi, Hiroji
Kashiwabara, Yasuhiko
Application Number:
JP2007000258393
Publication Date:
April 23, 2009
Filing Date:
October 02, 2007
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
NISSHIN KOGYO KK
International Classes:
B21D28/02; B21D28/00; B21D43/00; B21D28/02; B21D28/00; B21D43/00



 
Previous Patent: LOADER/UNLOADER FOR PRESS DEVICE

Next Patent: CAM DEVICE