Book Block Feed Device Alignment and Pressing
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Solution Overview
Problem
Existing book block feed devices often fail to maintain alignment during transfer to the bookbinding machine, leading to misalignment and potential defects in the bookbinding process due to air pockets among the sheets of paper.
Innovation Solution
A book block feed device with a conveying path featuring an alignment unit and a press unit, where the alignment unit uses vibration and air outlets to align the book block, and the press unit removes air pockets by pressing the book block, ensuring it is fed to the bookbinding machine in a consistently aligned state.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the book block is aligned by vibration alone, then alignment speed is improved, but air pockets remain among the sheets causing misalignment
Solution Approach 1:
The patent combines vibration alignment with air removal functionality by integrating air outlets into the alignment unit. The vibration mechanism and air outlets work together synergistically - vibration provides rapid initial alignment while air outlets simultaneously remove trapped air pockets, achieving both high speed and high precision alignment without requiring separate processing steps.
Solution Approach 2:
The air outlets act as an intermediary mechanism between the vibration alignment process and the final aligned state. By introducing controlled air flow through the air outlets, the system mediates the removal of air pockets that would otherwise prevent achieving precise alignment, enabling the vibration mechanism to achieve both speed and precision goals.
2Device complexity
If the alignment unit and press unit are integrated, then device complexity is reduced, but processing thoroughness may be compromised
Solution Approach 1:
The alignment unit is segmented into distinct functional zones: a vibration mechanism for rapid alignment and air outlets for air pocket removal. This segmentation allows each sub-function to be optimized independently while working together within the integrated unit, maintaining high alignment quality without requiring a completely separate press unit.
Solution Approach 2:
The alignment unit is designed with multi-functionality, serving both alignment and air removal purposes. By making the alignment unit universal in its capabilities, the patent reduces the need for additional dedicated press units while maintaining thorough processing quality, thus reducing device complexity without compromising alignment quality.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The device reliably maintains the alignment of the book block during transfer, preventing misalignment and ensuring high-speed alignment and air removal, allowing for defect-free bookbinding even when the bookbinding machine lacks a mechanism for correcting alignment disorders.
Implementation Method 1
the alignment unit includes a vibrator coupled to the first conveying surface and/or the second conveying surface of the conveying path
Implementation Method 2
at least one air outlet which is opened in the second conveying surface of the conveying path in the alignment unit, and the alignment unit further includes a blower connected to the at least one air outlet
Implementation Method 3
the press unit includes a press plate disposed to face the press surface and movable in a direction close to and away from the press surface, and a press plate drive mechanism that moves the press plate in a direction vertical to the press surface between a standby position away from the book block disposed on the press surface and a pressing position to press the book block toward the press surface
Data Source
Figure 1A
Figure 1B
Figure 2A
AI summary
Provided is a book block feed device capable of feeding a book block always in an aligned state to a bookbinding machine. The book block feed device comprises an alignment unit 3 and a press unit 4 that are adjacently arranged in order along a conveying path 2 of the book block S from an inlet 2c to an outlet 2d of the conveying path. The alignment unit 3 comprises a vibrator that vibrates the book block. The press unit includes a press surface that forms a part of a conveying surface of the conveying path, and a press plate that sandwiches and presses the book block between the press plate and the press surface.