Banknote Pushing Mechanism Prevents Door Jamming
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Solution Overview
Problem
Banknote processing devices often experience jamming issues due to friction or electrostatic forces between banknotes and the blocking doors, causing banknotes to get stuck at the lower edge of the doors during the storage process.
Innovation Solution
A banknote temporary storage mechanism featuring a first door pivotally connected to a frame, equipped with a banknote pushing mechanism that includes a banknote pushing member movably connected to the door, which protrudes from the support surface and moves relative to the door as it opens, pushing the banknote away from the door to prevent jamming.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the blocking doors are opened for the banknote to fall, then the banknote can be transferred to the cash box, but friction or electrostatic adhesive force between the banknote and the blocking doors causes the banknote to drape on the lower edge of the blocking doors and fail to fall down, causing jamming
Solution Approach 1:
The banknote pushing member performs preliminary action by pushing the banknote away from the blocking door before the door is fully opened. This preliminary pushing action prevents the banknote from adhering to the door through friction or electrostatic forces, ensuring smooth transfer to the cash box without jamming.
Solution Approach 2:
The banknote pushing member acts as an intermediary between the blocking door and the banknote. It transfers the pushing force from the door mechanism to the banknote, facilitating reliable disengagement and preventing direct contact between the banknote and the door surface that would cause adhesion.
2Reliability
If a banknote pushing mechanism is added to push the banknote away from the door, then the banknote can be disengaged smoothly, but the device complexity increases
Solution Approach 1:
The banknote pushing member is integrated into the existing door structure, serving multiple functions: it acts as both a structural component of the door assembly and a pushing mechanism for banknote disengagement. This multi-functionality reduces the need for separate dedicated pushing components, thereby limiting the increase in device complexity.
Solution Approach 2:
The door mechanism itself provides the pushing function through the banknote pushing member, which is driven by the door's own motion. The system uses its existing mechanical movement to perform the additional function of pushing banknotes, rather than requiring an entirely separate actuation system.
Data Source
AI summary
Provided are a banknote temporary storage mechanism (400) and a banknote processing device. The banknote temporary storage mechanism (400) is configured to enable the banknote to smoothly fall without getting jammed. The banknote temporary storage mechanism (400) includes a frame (8), a first door (1) pivotally connected to the frame (8), and a banknote pushing mechanism (4). The first door (1) has an open position and a closed position. The banknote pushing mechanism (4) includes a banknote pushing member (44). The banknote pushing member (44) is movably connected to the first door (1), and protrudes from a banknote support surface of the first door (1). The banknote pushing member (44) is configured to, as the first door (1) rotates towards the open position from the closed position, to move relative to the first door (1) along a direction in which a banknote is disengaged from the first door (1), to push the banknote to be disengaged from the first door (1).