| 摘要 |
A printing machine in which the automation of the replacement of the barrier plate is easily performed, and in which further automation of replacement procedure, simplification of replacement procedure, and reduction of time required for replacement procedure are achieved is provided. The printing machine comprises an ink fountain member 2, an ink fountain roller 3, a pair of barrier plates 53 attracted to the fountain-forming face 37a of the ink fountain member 2 and the outer peripheral surface of the ink fountain roller 3 by a permanent magnet, and a barrier plate replacing device 85. The barrier plate replacing device 85 comprises a fountain-member turning device 36, a barrier plate stopper 110 for stopping the barrier plate rotated with the ink fountain roller 3 away from the fountain-forming face 37a by the turning of the ink fountain member 2 and turning the barrier plate in a direction away from the outer peripheral surface of the ink fountain roller 3, a moving body 88 capable of moving above the ink fountain 1 and being raised and lowered, and a barrier plate holding member 91 disposed in the moving body 88 to hold and release the barrier plate 53.
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