Backlining Material Application for Book Blocks
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Solution Overview
Problem
Existing book production line technologies face challenges in efficiently applying backlining materials to book blocks of varying sizes, leading to poor accessibility, increased risk of soiling, and manual intervention requirements due to complex adhesive application and storage configurations.
Innovation Solution
A method and device that apply adhesive to the entire back length of a book block in a single process, using two conveying devices to overlap portions of backlining material, ensuring complete coverage and improved accessibility, while omitting the need for additional pasting apparatuses and allowing for flexible size adaptation without manual intervention.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If multiple separate pasting apparatuses are used to apply adhesive to different portions of the back, then complete coverage can be achieved, but the device complexity and risk of soiling increase
Solution Approach 1:
The back of the book block is divided into multiple portions, each covered by a corresponding suction cup element. The suction cups are arranged in sequences that can be independently controlled, allowing selective activation based on the required back length. This segmentation enables complete adhesive coverage without requiring multiple separate pasting apparatuses.
Solution Approach 2:
A single pasting apparatus performs multiple functions by using sequences of suction cup elements that can cover different portions of the back. The same apparatus handles both short and long back lengths by selectively activating different suction cup sequences, eliminating the need for multiple specialized pasting devices.
2Adaptability or versatility
If the backlining material is stored in complex configurations to accommodate varying book block sizes, then adaptability is improved, but accessibility and ease of operation deteriorate
Solution Approach 1:
The system dynamically adapts to different back lengths by selectively activating suction cup elements in different sequences. The control system adjusts which suction cups are active based on the detected book block size, allowing the same physical apparatus to handle varying dimensions without complex mechanical reconfiguration.
Solution Approach 2:
The system automatically detects the book block back length and self-adjusts the active suction cup sequences without manual intervention. The control system manages the adaptation process, selecting the appropriate suction cup activation pattern based on the measured dimensions, thereby maintaining ease of operation while achieving high adaptability.
3Manufacturing precision
If manual intervention is required for size changes in the backlining process, then precision can be maintained, but productivity and automation level decrease
Solution Approach 1:
The system incorporates feedback mechanisms that detect the back length of each book block and automatically adjust the suction cup activation sequences accordingly. This closed-loop control maintains precision by ensuring the correct number of suction cups are active for each specific back length, while eliminating the need for manual intervention.
Solution Approach 2:
Manual mechanical adjustment of the backlining configuration is replaced by an automated control system that electronically manages suction cup activation. The mechanical system remains the same, but the control mechanism transitions from manual to automated, maintaining precision while increasing productivity and automation level.
4Quantity of substance
If adhesive is applied to only the required portion of the back, then adhesive usage is reduced, but complete coverage and reliability deteriorate
Solution Approach 1:
The adhesive application is dynamically adjusted to match the actual back length requirement. Different sequences of suction cup elements are activated based on the detected back length, allowing the system to apply adhesive only where needed while ensuring complete coverage of the required area. This dynamic adaptation reduces adhesive consumption without compromising reliability.
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
This approach enables fault-free operation, increased size range coverage, and ergonomic operation by simplifying the application process, reducing soiling risks, and automating size changes in book production, resulting in a compact, cost-effective, and flexible book production line.
Implementation Method 1
The conveying device has suction cup elements which, in a receiving position, underline a portion of the backlining material to be applied by the conveying device
Implementation Method 2
the back of the book block is provided with an adhesive. Then, portions of a backlining material are applied in succession to the back
Data Source
AI summary
A method for applying portions of a backlining material to a back of a book block includes transporting the book block in a conveying direction in a book production line. The back of the book block is provided with an adhesive, wherein the book block is initially provided with the adhesive over an entire back length of the book block in a single application process. Then, the portions of the backlining material are applied in succession to the back of the book block, wherein at least a first portion of the backlining material is applied by a first conveying device and subsequently at least a second portion of the backlining material is applied by a second conveying device to the back of the book block such that at least one of the portions overlaps another one of the portions.