A pusher furnace advance control system

Abstract

A pusher furnace positioning control system, relating to the field of HTCC sintering technology, mainly includes a positioning rod and a platform located outside and connected to the door of the pusher furnace. The positioning rod is installed in a sealing flange on the door via a sealing seat. First rollers are installed at both ends of the positioning rod. The portion of the positioning rod located outside the door is connected to a connecting rod, and both ends of the connecting rod are connected to a trapezoidal block. When the positioning rod advances outwards towards the door, the trapezoidal block contacts a limit switch on the platform, stopping the advancement of the positioning rod. The resetting of the positioning rod is driven by a cylinder. The cylinder drives a positioning contact block to move upwards. The positioning contact block is triangular, with its inclined surface contacting the rollers on the positioning rod. Simultaneously, the upward movement of the positioning contact block drives the positioning rod to reset forward. Unlike traditional spring reset mechanisms, which are prone to failure after prolonged use, this system offers high reliability and can compensate for malfunctions caused by spring failure under any process temperature conditions.

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