| 摘要 |
Drilling and screwing machine intended more particularly for fitting door-hinge plates or like hardwares on pieces of joinery or similar elements, this machine comprising in the known fashion: a pivoting assembly consisting of a table supporting on one side a drilling head and on the other side a screwing head, an electric motor for rotatably driving said heads, a cylinder and piston unit of which the piston-rod supports said table, and means for retaining in position the piece of joinery which are secured to the front face of the machine base structure, said means consisting of a system comprising two tables adjustable, one about an horizontal axis and the other vertically, said machine being characterized in that it comprises on the other hand a box-shaped base structure (1) in which the main cylinder and piston unit (5) is enclosed with its piston-rod (2) extending vertically through an aperture (50) formed in the top (53) of said box-shaped base structure, means being also provided for moving and guiding the cylinder, piston-rod and table assembly through said aperture and locking said assembly in a preselected position, the tables associated with said base structure being so disposed that the first table (6) rotatably mounted on said base structure supports the second table (7) adapted to slide in relation thereto, said second table carrying the cylinder and piston units (8) provided for clamping the piece of joinery in position and holding it at the desired height and in the desired orientation. |
