Contact workpiece detection mechanism of pneumatic and hydraulic punching machine
A technology for workpiece detection and stamping machines, which is applied in the direction of presses, manufacturing tools, mechanical equipment, etc., can solve the problems of small workpiece size, personal injury, punch down pressure, etc., and achieve the effect of improving operation efficiency
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[0009] A pneumatic hydraulic stamping machine contact workpiece detection mechanism, installed between the upper mold 1 and the lower mold 2, the upper mold 1 is fixed on the stamping spindle, the lower mold 2 is fixed on the punching machine console 3, the detection mechanism includes a power supply Pole, start detection relay K1, conductive sheet 6, thimble 7, stamping spindle and ground electrode constitute a start detection circuit, the power supply pole, start detection relay K1 and conductive sheet 6 are connected in series in sequence, and the punching spindle is composed of upper spindle 81 and lower Main shaft 82, the lower end of the upper main shaft 81 is sleeved on the upper end of the lower main shaft 82, and a compression spring 9 is arranged between the upper main shaft 81 and the lower main shaft 82, the upper main shaft is connected to the ground electrode and the lower end of the lower main shaft 82 is fixed In the upper mold 1, one end of the thimble 7 is lim...
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