JPH0216226U - - Google Patents

Description

[Brief explanation of drawings]

FIG. 1 is a plan view showing the main parts of a press working apparatus which is an embodiment of the present invention. FIG. 2 is a front view showing the main parts of the press working apparatus shown in FIG. 1. Third
The figure is a partially cutaway front view showing an enlarged view of the replaceable mold of the press working apparatus shown in FIG. FIG. 4 is a diagram showing a state in which a workpiece is supplied to the exchangeable mold of FIG. 3. FIG. 5 is a diagram showing an electric circuit of the press processing apparatus shown in FIG. 1. 10: Pressing device, 12a, 12b: Replaceable type, 14a, 14b: Pressing type, 16a, 16b
: Sub-bolster (holder), 18: Press device main body, 32: Clamp pressure switch, 34: Workpiece, 36: Misfeed switch, 42, 44: Transmission coil (first coil), 46, 48: Switch circuit, 58: Power supply device, 60, 62: Excitation coil (second coil).

Claims (1)

[Claims for Utility Model Registration] (1) In order to perform multiple types of press working, a plurality of types of exchangeable dies are provided, and one of the plurality of types of exchangeable dies is selected and attached to the main body of the press machine. , a press working apparatus for performing desired press working, which includes a switch that opens and closes according to predetermined opening and closing conditions, and a first coil connected to the switch, and is arranged in each of the plurality of types of exchangeable dies. a switch circuit installed within a range that can be magnetically coupled to the first coil and with an air gap between the first coil and the first coil when the replaceable die is attached to the press apparatus main body; A sensor device is provided, which has a second coil fixedly installed in the press apparatus main body, and detects opening and closing of the switch through the second coil in a non-contact manner, and information on the exchangeable type is transmitted to the press apparatus main body in a non-contact manner. A press processing device characterized by: (2) In the exchangeable die, a press die for performing press working is clamped to a holder and is attached to the press apparatus main body via the holder, and the opening/closing condition is such that the press die is attached to the holder. The press processing apparatus according to claim 1, wherein the press processing apparatus is filled when the pressure is properly clamped. (3) The press processing apparatus according to claim 1, wherein the opening/closing condition is satisfied when a workpiece is supplied with the replaceable die attached to the press apparatus main body.