Punch press with dual tool changing assemblies and method of pun

Details Punch press with dual tool changing assemblies and method of pun Punch press with dual tool changing assemblies and method of pun

1992-09-09

1993-07-06

Briggs, William

Tool changing

Process

83563, 483 29, B23Q 3155

Patent

active

052249158

ABSTRACT:
A punch press has a frame with a rotatable ram having a tool mounting portion at its lower end and a rotatable die holder in the base of the frame, and it has a tool mounting portion. The tool mounting portions of the ram and die holder are aligned and have tool receiving passages at a point about their periphery. A work support table is provided about the work station and its upper surface provides a workpiece support. The press has a workpiece guidance system which includes an elongated rail and a multiplicity of tool holders supported on the rail for movement therewith. The press also includes a tool storage and transfer assembly at the outer end of the frame with a tool storage magazine rotatable about a horizontal axis and having tool holders spaced about the major portion of its periphery. Its periphery is truncated so that in one rotated position it does not extend above the work support surface, but, in the other rotated position, its tool holders are horizontally aligned with the tool receiving passages. The punch press includes a computer control which effects rotation of the lower portion of the ram and of the die holder to orient the tool receiving passages in the desired direction, effects rotation of the magazine and operation of its element to insert or retrieve tooling in the tool mounting portions and effects movement of the rail to effect transfer of tooling to and from its tool holders.

REFERENCES:
patent: 4587716 (1986-05-01), Byton
patent: 4624044 (1986-11-01), Bredon
patent: 4719691 (1988-01-01), Klingel
patent: 4869141 (1989-09-01), Klingel
patent: 4951375 (1990-08-01), Erlenmaier

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