Paper roll recovery mechanism, printing device and paper roll recovery control method

Abstract

The invention discloses a paper roll recovery mechanism, a printing device and a paper roll recovery control method. The paper roll recovery mechanism comprises a recovery shaft used for rolling printing paper back, a supporting frame supporting the recovery shaft and a printing paper tensioning and detecting mechanism, the printing paper tensioning and detecting mechanism comprises a recovery gear connected with the end of the recovery shaft, an intermediate gear in transmission connection with the recovery gear, a motor component and a sensor, the intermediate gear is supported by a gear shaft which is arranged on the supporting frame, the motor component comprises a supporting plate pivotably connected with the gear shaft, and a recovery motor fixedly connected with the supporting plate, a motor gear in transmission connection with the intermediate gear is fixedly connected on an output shaft of the the recovery motor, and the sensor is used for detecting the position of the motor component. By the paper roll recovery mechanism, the problem that big paper rolls cannot be recovered due to the fact that the recovery motor is insufficient in moment can be prevented, and the problem that printing cannot be performed normally due to the fact that the printing paper is pulled apart due to overlarge moment of the recovery motor can be avoided, so that the paper roll recovery mechanism is high in reliability.

Description

technical field [0001] The invention relates to the field of printing equipment, in particular to a paper roll recycling mechanism and a printing device with the paper roll recycling mechanism, and also relates to a paper roll recycling control method. Background technique [0002] Self-service terminal equipment is more and more widely used in daily life. For example, in self-service kiosks, people purchase goods through self-service vending machines, and for example, in bank self-service kiosks, people deposit and withdraw money through self-service cash machines. A printing device for printing a transaction log is usually provided inside the self-service terminal device. This type of printing device generally includes a paper supply mechanism, a printing mechanism, and a paper roll recovery mechanism, wherein the paper supply mechanism provides printing paper to the printing mechanism, and the printing mechanism prints the details of the transaction on the printing paper...

AI Technical Summary

Problems solved by technology

[0004] The problem with this kind of paper roll recovery mechanism is that the torque of the recovered paper roll is changed by the change of the paper roll weight. It is difficult to ensure the uniformity and stability of the paper roll movement during the recovery process by using the rated motor torque. If the rated motor torque If the overload torque is too small, it will not be able to drive a larger paper roll to rewind; if the rated overload torque of the motor is too large, the paper will be pulled too much, which may break the paper and cause normal printing. Therefore, this paper roll Low reliability of recycling mechanism

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