06-06-2023 дата публикации
Номер: CN116213546A
Принадлежит:
The invention relates to a punching device adaptive to different hole diameters and hole pitches, and relates to the technical field of metal processing equipment.The punching device comprises a punch, a punching mechanism is arranged on the punch, and a moving mechanism is arranged on the punching mechanism; the punch comprises a first shaft, a second shaft and a third shaft, the first shaft is inserted into the second shaft, the first shaft is in sliding connection with the inner wall of the second shaft, the second shaft is inserted into the third shaft, and the second shaft is in sliding connection with the inner wall of the third shaft; supporting plates are arranged on one side of the punch at intervals, first holes are formed in the supporting plates, first supporting sleeves are inserted into the first holes, the first supporting sleeves are in sliding connection with the inner walls of the first holes, second holes are formed in the first supporting sleeves, second supporting sleeves ...
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