Transfer mechanism for multistage machine tools |
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| 申请号 | US3717890D | 申请日 | 1971-11-05 | 公开(公告)号 | US3717890A | 公开(公告)日 | 1973-02-27 |
| 申请人 | MALMEDIE & CO MASCHINENFAB GMB; | 发明人 | WELLER A; | ||||
| 摘要 | DEVICE OF A SECOND TYPE CAN BE ATTACHED TO THE CARRIAGE FOR EACH WORK STATION OR FOR ONE OR MORE SELECTED WORK STATIONS IN ADDITION TO OR AS A SUBSTITUTE FOR A TRANSFER DEVICE OF THE FIRST TYPE. EACH TRANSFER DEVICE OF THE SECOND TYPE HAS A PAIR OF JAWS WHICH CAN BE MOVED BETWEEN OPEN AND CLOSED POSITIONS BY A ROTARY CAM PROVIDED IN THE MACHINE FRAME. THE GEAR AND THE FOLLOWER IN THE SHAFT OF EACH TRANSFER DEVICE OF THE FIRST TYPE CAN BE REPLACED BY A RETAINER WHICH HOLDS THE SHAFT AGAINST ROTATION AND ALSO PREVENTS THE SHAFT FROM PIVOTING ABOUT AND AXIS WHICH IS PARALLEL TO ITS OWN AXIS WHEN THE CARIAGE MOVES WITH REFERENCE TO THE DIE BREAST. A MULTISTAGE PRESS FOR THE PRODUCTION OF METALLIC NUTS, BOLTS OR THE LIKE HAS A DIE BREAST WITH A HORIZONTAL ROW OF WORK STATIONS AND A CARRIAGE WHICH IS RECIPROCABLE ALONG THE DIE BREAST THROUGH DISTANCES CORRESPONDING TO THAT BETWEEN TWO NEIGHBOURING WORK STATIONS. THE FRAME OF THE PRESS SUPPORTS A GEAR SEGMENT AND A COAXIAL CAM FOR EACH WORK STATION. A TRANSFER DEVICE OF A FIRST TYPE CAN BE ATTACHED TO THE CARRIAGE FOR EACH WORK STATION OR FOR ONE MORE SELECTED WORK STATIONS, AND SUCH TRANSFER DEVICE EMPLOYS A SHAFT WHICH CARRIES A FOLLOWER TRACKING ONE OF THE CAMS, A GEAR MESHING WITH ONE OF THE GEAR SEGMENTS, AND A PAIR OF ELASTIC FINGERS WHICH CAN TRANSPORT AND SIMULTANEOUSLY INVERT A BLANK DURING MOVEMENT OF THE CARRIAGE WITH REFERENCE TO THE DIE BREAST. A TRANSFER |
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| 权利要求 | |||||||
| 说明书全文 | |||||||
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