Werkzeugmaschine mit mehreren Köpfen, vor allem für Holzbearbeitung.

摘要

A machine tool on which an extra working head can be exchanged readily, comprises a main beam (3) extending horizontally to left and right, on which is a carrier (7) for wood or other material to be machined, mounted for leftward and rightward motorised movement in the main beam (7), a ram (25) mounted for upward and downward sliding movement on the carrier, at least one standing working head (19-22) mounted pneumatically (24) for upward and downward movement on the carrier, a plurality (e.g.5) of head holders (42), an extra working head (36-41) for different operations held on each of the head holders, a subsidiary beam (28) extending forward and backwardly and having a front portion (28a) and a rear portion defining therebetween a gap (30) for receiving a head unit, adjacent an end of the main beam, a guide rail (31, 32) provided on the front and rear portions of the subsidiary beam for guiding the head holders (42) for the extra working heads (36-41) and for forward and backward sliding movement thereon, a carriage mounted on the subsidiary beam for slidably moving the head holders along the first rail, and guiding rails (34,35) provided on the ram for carrying a single head holder (41) thereon. The head holders can be accurately positioned after being automatically exchanged.