Abstract: A press apparatus which comprises a press body formed of a bed and a ram, fitted with an upper die; an auxiliary bed disposed adjacent to the bed and designed to be rotated at a prescribed angle thereto; a rotation mechanism for rotating the auxiliary bed; a bolster reciprocating along both beds; a shifting mechanism for effecting the reciprocation of the bolster; a lock mechanism designed normally to keep both beds engaged with each other, thereby preventing the rotation of the auxiliary bed, when the bolster is shifted to that prescribed point on the auxiliary bed at which the rotation axes of both bolster and auxiliary bed are aligned with each other, to disengage both beds from each other, thereby allowing the rotation of the auxiliary bed and bolster for complete removal of a press-worked product, for example a trimmed product, or scrap (including runner refuse) attached to a lower die and a forwarding mechanism designed to send forth a press-worked product taken off by a product-pushing cylinder to the

Abstract: The invention relates to automatic lines for cross cutting of coiled strips and is used to best advantage for cross cutting of coiled strips into plates intended for the manufacture of transformers.The automatic line of this invention comprises guillotine shears which are pivoted in the horizontal plane and intended to cut plates off a strip; non-pivoted guillotine shears intended to cut off sharp angles of said plates, said non-pivoted shears being mounted on a slider which is movable along the automatic line's axis in order to fix the non-pivoted shears at a desired distance from the pivoted shears in order to simultaneously cut off sharp angles and cut out plates; and a strip feeding mechanism being provided with only one pair of rollers driven by means of a reduction gear driven by a step electrohydraulic drive which feeds the strip, as well as accelerates, brakes and, if necessary, reverses the strip's motion to ensure a prescribed plate length.

Abstract: An unloader for a conventional press of the type having a reciprocable ram, the unloader including a drive rack positively reciprocated by the ram to drive the unloader in synchronization with press movement, a stationary support frame extending into the die area, and a tray movably mounted on the support frame. A pinion gear is driven by the drive rack to drive the tray between an extended position underneath the ram of the press and a withdrawn position out of the press die area. The pinion gear is mounted in a rocking yoke to maintain pitch line contact between the drive rack and the pinion gear. The support frame includes opposed tray guides each guide including upper and lower spaced apart rails and the tray is mounted to the frame by front and rear sets of rollers, three rollers in each set, with the rollers positioned between the rails.

Abstract: Precision guide means for accurately directing lumber to and/or receiving cut lengths from saws. The guide means is mounted for selective movement by setworks back and forth across a path along which the lumber moves. A closed hydraulic system includes piston-cylinder units with a unit near each of opposite ends of the guide means. One end of each cylinder unit is fixed against movement and the opposite end thereof is connected to the adjacent end of the guide means, and pipe means interconnects these cylinder units so that when the guide means is moved, hydraulic fluid is transferred from an end of one of the units to an opposite end of another unit to ensure that both ends of the guide means move exactly the same distance. The guide means can be a linebar and a tailbar interconnected by the hydraulic system so that they are moved in unison exactly the same distance by the setworks. The guide means can be or include a relatively long splitter.

Abstract: A blanking die comprises a relatively thin die plate having a cutout into which the punch of the press, upon blanking operation, forces the material to be cut to form the required part blank. A holder of sturdy construction is provided onto which the thin die plate is removably mounted. Slidably positioned within the holder is a reciprocating support block which, upon blanking operation, underlies the thin die plate in order to reinforce it against the impact of the punch. After the blanking cycle, the support block is moved either to eject the part blank or to allow the latter to fall through an opening in the holder.

Abstract: A stored energy ejector mechanism is disclosed and described and includes an ejector plunger member which is propelled by a spring-bias induced by an actuator lever actuated by a stroke of a punch press and the like. The stored energy in these springs is released and the propelling or ejection motion of a plunger member is begun by the actuation of a trigger mechanism whose release time is selectively established and preferably occurs during the same stroke of the press mechanism in which is produced the loading of the springs. Although primarily for use with a punch press to provide a substantially quiet ejector action, this stored energy is equally applicable to other operations such as providing an ejector mechanism for use with a conveying or line inspection system employing linear motion.