Device to feed bars

A device to feed and shear bars, the device comprising:

• a machine to shear bars to size from a bundle to be sheared,
• at least one support frame located upstream of said machine for holding the bundle of bars to be sheared,
• advancement means connected to said support frame to advance the support frame along a feed path, the support frame including a latch which cooperates with the advancement means, and
• means disposed along said path to align and butt the bundle of bars so as to prepare them for shearing, said means to align and butt the bundle of bars including a gripper means operable between an open and closed position, an abutment plate movable along said feed path between forward and rearward positions, and means to laterally move said gripper means between a first and second position, movement of said gripper means from said open to said closed position constraining the bundle of bars therein, movement of the gripper means from said first position to said second position bringing the bundle of constrained bars into contact with the abutment plate and thereby moving the abutment plate from its forward to its rearward position, movement of said gripper means from said closed position to said open position releasing said bundle of bars, and movement of said abutment plate from said rearward position to said forward position aligning the bundle of bars for shearing.

A device to feed and shear bars, the device comprising:

• a machine to shear bars to size from a bundle to be sheared,
• at least one support frame located upstream of said machine for holding the bundle of bars to be sheared,
• advancement means connected to said support frame to advance the support frame along a feed path, the advancement means including a movable extraction hook and an extraction jack for moving said hook,
• and
• means disposed along said path to align and butt the bundle of bars, said means to align and butt the bundle of bars so as to prepare them for shearing, said means to align and butt the bundle of bars including a gripper means operable between an open and closed position, an abutment plate movable along said feed path between forward and rearward positions, and means to laterally move said gripper means between a first and second position, movement of said gripper means from said open to said closed position constraining the bundle of bars therein, movement of the gripper means from said first position to said second position bringing the bundle of constrained bars into contact with the abutment plate and thereby moving the abutment plate from its forward to its rearward position, movement of said gripper means from said closed position to said open position releasing said bundle of bars, and movement of said abutment plate from said rearward position to said forward position aligning the bundle of bars for shearing.

A device to feed and shear bars the device comprising:

• a machine to shear bars to size from a bundle to be sheared,
• at least on support frame located upstream of said machine for holding the bundle of bars to be sheared,
• advancement means connected to said support frame to advance the support frame along a feed path,
• means disposed along said path to align and butt the bundle of bars, so as to prepare them for shearing said means to align and butt the bundle of bars including a gripper means operable between an open and closed position, an abutment plate movable along said feed path between forward and rearward positions, and means to laterally move said gripper means between a first and second position, movement of said gripper means from said open to said closed position constraining the bundle of bars therein, movement of the gripper means from said first position to said second position bringing the bundle of constrained bars into PG,24 contact with the abutment plate and thereby moving the abutment plate from its forward to its rearward position, movement of said gripper means from said closed position to said open position releasing said bundle of bars, and movement of said abutment plate from said rearward position to said forward position aligning the bundle of bars for shearing, and
• feeder means disposed along said path and responsive to the alignment of said bundle of bars for advancing the bundle to said machine, the feeder means including at least one lower and upper roller to position and clamp said bundle of bars to be sheared.

A device to feed and shear bars, the device comprising:

• a machine to shear bars to size from a bundle to be sheared,
• at least one support frame located upstream of said machine for holding the bundle of bars to be sheared,
• advancement means connected to said support frame to advance the support frame along a feed path,
• means disposed along said path to align and butt the bundle of bars so as to prepare them for shearing, said means to align and butt the bundle of bars including a gripper means operable between an open and closed position, an abutment plate movable along said feed path between forward and rearward positions, and means to laterally move said gripper means between a first and second position, movement of said gripper means from said open to said closed position constraining the bundle of bars therein, movement of the gripper means from said first position to said second position bringing the bundle of constrained bars into contact with the abutment plate and thereby moving the abutment plate from its forward to its rearward position, movement of said gripper means from said closed position to said open position releasing said bundle of bars, and movement of said abutment plate from said rearward position to said forward position aligning the bundle of bars for shearing, and
• feeder means disposed along said path and responsive to the alignment of said bundle of bars for advancing the bundle to said machine, the feeder means including abutments to clamp laterally the bundle of bars to be sheared, at least one of such abutments being movable.