Back insert trimming and merging device for machine manufacturing of book cover, has cutting length carrier rollers and supply transportation rollers driven independent of each other

摘要

The device has a pair of cutting length carrier rollers (3.1, 3.2) and supply transportation rollers (4.1, 4.2, 4.3) driven independent of each other. The transportation rollers are driven cyclically intermittently with a constant stroke for conveying a back insert (1). The carrier rollers for implementing a conveying hub, which is variable according to a departure length, includes a movement section synchronizing on a conveying movement of transportation rollers and another movement section synchronously conveying the back insert to the transportation rollers.