Three Side Trimmer with Switchable Accumulating Unit
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Solution Overview
Problem
Conventional three side trimmers lack the ability to switch between sequential discharge and single-stack discharge methods, leading to inefficient manual handling and processing of trimmed booklets.
Innovation Solution
A three side trimmer with an accumulating unit that switches between delivery and accumulation modes, using a movable shelf and conveyor mechanism to discharge trimmed booklets in predetermined numbers or accumulate them for efficient stacking, facilitated by sensors for precise control.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Extent of automation
If trimmed booklets are sequentially discharged by the discharge device, then the discharge operation is automated, but the flexibility to handle different packing requirements is reduced
Solution Approach 1:
The patent applies the dynamics principle by making the discharge method switchable between two modes: sequential discharge (automated one-by-one delivery) and batch discharge (accumulated stack delivery). The discharge device can dynamically change its operation mode based on packing requirements, combining automation with flexibility. This resolves the contradiction by allowing the system to adapt its discharge behavior while maintaining automated control.
2Adaptability or versatility
If manual gathering and dividing of trimmed booklets is performed, then flexibility for different packing numbers is achieved, but work efficiency is reduced
Solution Approach 1:
The patent applies the self-service principle by enabling the discharge device to automatically perform the gathering and dividing functions that were previously done manually. The device can automatically accumulate a specified number of trimmed booklets and discharge them as a complete stack, eliminating the need for manual intervention. This resolves the contradiction by making the system self-sufficient in handling different packing requirements while maintaining high work efficiency.
3Device complexity
If a single discharge method is used, then the device structure is simple, but the ability to handle various order requirements is limited
Solution Approach 1:
The patent applies the universality principle by designing the discharge device to perform multiple functions: it can operate in sequential discharge mode for individual booklet delivery, and in batch discharge mode for accumulated stack delivery. This multi-functionality allows a single device structure to handle various order requirements without requiring multiple separate devices, resolving the contradiction between structural simplicity and adaptability.
Data Source
Figure 1
Figure 2(A)~2(C)
Figure 3(A)~3(C)
AI summary
A three side trimmer has a trimming unit 1, an accumulating unit 3, a discharge unit 2 and a conveying mechanism 4 conveying trimmed booklets BK to the accumulating unit. The accumulating unit has a shelf 5 movable in a vertical direction, and a drive roller conveyor 7 on the shelf. The accumulating unit, in a mode, delivers the trimmed booklets to the discharge unit at every accumulation of a predetermined number of the trimmed booklets and, in another mode, accumulates the trimmed booklets without delivering.