Presses – Reciprocating press construction – With mechanical force multiplier
Patent
1989-05-08
1990-07-31
Hornsby, Harvey C.
Presses
Reciprocating press construction
With mechanical force multiplier
72451, 83530, 83624, 83630, 100257, 100272, B30B 110
Patent
active
049442210
ABSTRACT:
The invention relates to an articulated lever press consisting of a press stand (1.1) and a frame-shaped press slide (2.1), the slide (2.1) possessing a hydraulic cylinder drive (2.12) which is arranged on it and is connected to the multi-articulated support (2.7) guided in the center of the press in the slide (2.1). At least two connecting rods (2.8) are movably arranged on the multi-articulated support, the other ends of the connecting rods each engaging one of the two articulated levers (2.10) or (2.11) which are mounted on the slide (2.1) and on the press frame (1.1) so that their height can be adjusted.
The object is essentially to keep the working range of the slide (2.1) adjustable, irrespective of the slide travel and while maintaining slide guidance.
It is proposed that the press stand (1.1) be a twin-stand frame partially closed even at the front end. The working range of the slide (2.1) in the stand (1.1) is supported and adjusted by synchronously driven shafts (2.2) which are coordinated with the stand (1.1) via guide beams (2.4) provided with shaft bearings (2.3).
The guide beams (2.4) are provided on the lower surface with bearings (2.3.1) to permit the suspension of the pair of articulated levers (2.10/2.11) which are to be connected to the slides (2.1) and (2.9).
REFERENCES:
patent: 928609 (1909-07-01), Klocke
patent: 2087811 (1937-07-01), Patrick
patent: 2738748 (1956-03-01), Hecht
patent: 3205551 (1965-09-01), Neubauer et al.
patent: 3518869 (1970-07-01), Forichon
patent: 4318325 (1982-03-01), Bareis et al.
E. Bruderer Maschinenfabrik AG
Gerrity Stephen F.
Hornsby Harvey C.
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