Sheet Bundle Transfer Mechanism for Order-Preserving Feeding
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Solution Overview
Problem
Existing sheet loading apparatuses require manual handling that risks changing the loading order of sheets, necessitate additional apparatus changes for different pallet shapes, and complicate the integration of sheet bundles from multiple sources into a bookbinding machine.
Innovation Solution
A sheet feeding apparatus with a transfer mechanism that includes a sheet bundle holding unit, transfer unit, lift mechanism, and position/direction adjusting units to securely transfer and position externally supplied sheet bundles onto a loading unit, ensuring the uppermost sheet is correctly aligned for feeding.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If manual handling is used to transfer sheet bundles, then the apparatus structure remains simple, but the loading order may be changed due to operator mistakes
Solution Approach 1:
The patent introduces a transfer mechanism as an intermediary device between the sheet bundle supply source and the loading tray. This mechanism includes a holding unit to grasp the sheet bundle and a transfer unit to move it, eliminating direct manual handling while maintaining system feasibility. The transfer mechanism ensures accurate transfer of sheet bundles without operator intervention, thus preserving loading order accuracy.
2Adaptability or versatility
If additional apparatus changes are made to accommodate different pallet shapes, then compatibility with multiple sheet loading apparatuses is improved, but the system complexity and number of required components increase
Solution Approach 1:
The transfer mechanism is designed with universal functionality to handle various pallet shapes and sizes. The holding unit can adapt to different sheet bundle configurations, and the transfer unit can move them to the loading tray regardless of their original orientation or shape. This eliminates the need for separate apparatus changes for different pallet types, achieving multi-source compatibility through a single versatile mechanism.
3Ease of operation
If the loading tray is lowered according to sheet weight, then operator burden is reduced, but the risk of sheet order exchange due to manual re-loading increases
Solution Approach 1:
The system transitions from manual re-loading to automated transfer where the transfer mechanism performs the loading operation itself. The holding unit grasps the sheet bundle and the transfer unit automatically places it on the loading tray in the correct position. This self-service approach eliminates operator involvement in the transfer process, thereby preventing human errors while maintaining ease of operation through automated weight-based tray adjustment.
Data Source
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AI summary
Provided is a sheet feeding apparatus 100 having: a sheet feeding unit 10 configured to transport, in a feed direction FD, a sheet arranged at a sheet feeding position; a sheet bundle loading unit 20 configured to load a sheet bundle B including a plurality of sheets fed by the sheet feeding unit 10; a lift mechanism 30 configured to move the sheet bundle loading unit 20 in a height direction HD so that the uppermost sheet loaded on the sheet bundle loading unit 20 is arranged at the sheet feeding position; and a transfer mechanism 40 configured to hold the sheet bundle B supplied from outside and transfer the sheet bundle B onto the sheet bundle loading unit 20, and the transfer mechanism 40 has a sheet bundle holding unit 41 configured to hold the sheet bundle B supplied from outside, and a transfer unit 42 configured to transfer the sheet bundle B from the sheet bundle holding unit 41 onto the sheet bundle loading unit 20 so as to establish a state where the sheet bundle B is loaded on the sheet bundle loading unit 20.