Upper Suction Transport for Sheet Processing Waste Removal
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing sheet processing machines face challenges in efficiently transporting and sorting sheets, particularly in preventing waste pieces from causing issues during further processing and ensuring gentle placement on delivery piles, while also protecting printed images and handling large or thick sheets.
Innovation Solution
The sheet processing machine incorporates an upper suction transport means, a shaping device, and a separating device, allowing for selective transport and sorting of sheets, with features like a sheet braking mechanism and shingling device for precise handling and easy maintenance, enabling the transport of sheets in both hanging and lying positions without transferring between them.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If sheets are transported lying down and then ejected downwards through clamping, then sheets can be delivered to a stack, but printed images on the bottom of sheets are exposed to damage and waste pieces cannot be effectively removed
Solution Approach 1:
The patent inverts the conventional transport orientation by transporting sheets in a hanging state (vertical orientation) instead of lying down (horizontal orientation). This allows the printed images on the bottom of sheets to face away from potential damage sources while enabling effective waste piece removal through gravity-assisted separation.
2Reliability
If waste pieces are removed during sheet transport, then sheet quality is improved, but additional separating devices increase machine complexity
Solution Approach 1:
The patent employs a self-service mechanism where waste pieces are automatically removed from sheets during transport through the action of gravity and the hanging transport configuration. The sheets themselves facilitate the separation process by allowing waste pieces to detach and fall away without requiring complex active separating devices.
3Object-affected harmful factors
If sheets are transported in hanging state, then waste piece removal is facilitated and printed images are protected, but transport mechanism complexity increases
Solution Approach 1:
The patent utilizes suction technology (pneumatic principle) to transport sheets in a hanging state. Suction nozzles create negative pressure that holds sheets vertically without requiring complex mechanical clamping or support structures, simplifying the transport mechanism while maintaining the benefits of hanging transport.
4Reliability
If sheets are placed gently on delivery pile, then sheet integrity is maintained, but delivery time increases
Solution Approach 1:
The patent employs periodic braking action where sheets are transported continuously and then subjected to controlled, intermittent braking before delivery to the pile. This periodic deceleration allows sheets to be placed gently while maintaining overall high delivery speed through continuous operation.
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 solution ensures efficient removal of waste pieces, protects printed images, allows for precise and gentle placement of sheets, and facilitates the handling of large or thick sheets, reducing energy consumption and wear, while enabling smooth sheet movement and easy maintenance.
Implementation Method 1
an upper suction transport means, which is arranged above a transport path provided for transporting sheets
Data Source
Figure 1
Figure 2
Figure 3
AI summary
The invention relates to a sheet processing machine (01) with at least one shaping device (900) and at least one sheet delivery device (1000) which is arranged along a transport path provided for transporting sheets (02) downstream of the at least one shaping device (900). The at least one shaping device (900) has at least one shaping station (909) which is made of at least one plate cylinder (901) and at least one counter-pressure cylinder (902), and at least one separation device (903) is arranged along the transport path provided for transporting sheets (02) downstream of the at least one shaping station (909) in order to remove waste pieces from sheets (02). The at least one separation device (903) has at least one separation transport means (904), and at least one transport means (09; 906) designed as a selective transport means (09; 906) is arranged along the transport path provided for transporting sheets (02) adjacently to the at least one separation transport means (904), said transport means being designed as at least one upper suction transport means (09; 906) for transporting sheets (02) in a suspended manner.