OPENING AND SHUTTING DEVICE FOR DDOR HIGH FREQUENCY HEATER

摘要

The door opening/closing device and the opening/closing detector of an industrial high frequency heater comprises: a roller(21) and a push plate(100) respectively installed on both sides of a door(20); a guide rail(12) mounted on the both sides of a cavity frame(31) for receiving the roller(21) and attached on the leading end of a shaft(11) of a cylinder(10) to move forwardly and backwardly; a rod(200) supported by means of an elastic means(610) on the both sides of the cavity frame(31) at the portion corresponding to the push plate(100) of the door(20) and engaged with the push plate(100) to be slid; and a safety switch(700) installed on the rear end of the rod(200) to be turned on/off in accordance with the forward/reverse movement of the rod(200).