A device capable of quickly changing plate cylinders and its working method

Abstract

The invention discloses a device capable of being used for replacing an edition roller rapidly. The device comprises the edition roller and a motor. The device is characterized in that the device further comprises an openable separation and coupling pressing device and a connecting device arranged between the edition roller and the motor; the openable separation and coupling pressing device is composed of a power mechanism and a fixing mechanism; the power mechanism is mounted on the fixing mechanism, and the fixing mechanism is detachably mounted on a rack of a printing machine; the power output end of the power mechanism is detachably mounted on the edition roller; and the motor is detachably mounted on the edition roller through the connecting device. In the thermo-printing process, under the action of the power mechanism, the openable separation and coupling pressing device drives the edition roller to achieve separation pressing, pre-coupling pressing and coupling pressing; when the edition is changed, the power mechanism of the openable separation and coupling pressing device is detached from the edition roller, and the fixing mechanism is detached from the rack; the connecting device between the edition roller and the motor is detached from the edition roller; and the edition roller is replaced. When the edition is changed, it only needs to replace the edition roller and separate the separation and coupling pressing device from the edition roller, and the edition can be changed; and efficiency is improved, and cost is saved.

Description

(1) Technical field: [0001] The invention is suitable for printing machinery, especially a device for rapidly replacing a plate cylinder and its working method suitable for a circular pressing device requiring clutch pressure. (2) Background technology: [0002] In the printing machinery, especially in the round stamping equipment, a plate cylinder and a printing cylinder are generally arranged in the main part of the machine. When the equipment is hot stamping, the plate cylinder is pressed together for hot stamping, and when the equipment stops hot stamping, the plate cylinder is separated from the pressure. Changing the product requires replacing the plate on the plate cylinder, or replacing the entire imprinting unit. Because it takes a long time to change the plate on the plate cylinder and the position of the plate needs to be adjusted repeatedly, the entire imprinting unit usually needs to be replaced when changing the product to shorten the plate change time. There...

AI Technical Summary

Problems solved by technology

Therefore, there are following deficiencies in the prior art: 1. The position of the plate needs to be readjusted for changing the plate on the plate cylinder, resulting in waste of time and resources

2. To replace the embossing unit, one or more sets of embossing units need to be equipped, which is very expensive

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