Decoupled Support Belt for Continuous Material Web Cutting
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Solution Overview
Problem
Current methods for cutting objects from sheet material require extensive space and prolonged processing times due to the need for support tables or gratings that necessitate complete transfer and repositioning, limiting accessibility and efficiency.
Innovation Solution
A method and device where material webs are stacked on a support device above a conveyor system, allowing decoupling for independent movement, enabling direct transfer to a processing station and simultaneous processing, with a support belt that can be pulled off to deposit the stack on a conveyor belt for transport, reducing the overall length of the system and allowing continuous processing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If support tables or gratings are used to transfer stacks of material from one station to the next, then the material can be transported between stations, but the total system length increases to 30 meters or more and processing time is prolonged due to complete transfer requirements
Solution Approach 1:
The conveyor system is divided into multiple independent conveyor belts (first conveyor belt for stacking, second conveyor belt for processing, third conveyor belt for removal) that can operate independently. This segmentation allows each conveyor to handle specific tasks without requiring complete transfer of the entire stack, thereby reducing system length and enabling parallel operations.
Solution Approach 2:
The conveyor belts are designed to be dynamically controllable, allowing the first conveyor belt to continue stacking material while the second conveyor belt processes the previous stack. This dynamic operation enables overlapping of stacking and processing activities, reducing total processing time and allowing more compact system arrangement.
2Productivity
If support tables are completely transferred from the processing station to the unloading station before new stacking can begin, then cut items can be removed, but processing time is lost during the return trip and system complexity increases
Solution Approach 1:
The system maintains continuous useful action by enabling the first conveyor belt to stack new material while the second conveyor belt simultaneously processes the previous stack. This eliminates idle time during transfer operations and ensures that stacking and processing occur in parallel, maximizing productivity without time loss.
Solution Approach 2:
The first conveyor belt prepares the next stack of material in advance while the current stack is being processed. This preliminary action ensures that material is ready for immediate processing without waiting for the previous cycle to complete, thereby eliminating processing time delays.
3Ease of manufacture
If support tables are used for material transfer, then stacking is possible, but additional space is required for returning empty support tables and aids are needed for removing cut items from the center of the stack
Solution Approach 1:
The system arranges conveyor belts in a spatial configuration where the first conveyor belt is positioned to stack material that is then transferred to the second conveyor belt for processing. This dimensional arrangement allows cut items to be removed from the end of the stack at the processing station without requiring additional aids, and eliminates the need for separate return space for support tables.
4Device complexity
If the support device is coupled to the conveyor, then transfer is simplified, but the support device must wait for complete transfer before new stacking can begin, reducing productivity
Solution Approach 1:
The coupling between the support device and conveyor is segmented into independent conveyor belts. The first conveyor belt handles stacking operations while the second conveyor belt handles processing operations. This segmentation allows each conveyor to operate independently at different stages of the process, enabling continuous productivity without requiring the support device to wait for complete transfer cycles.
Data Source
Figure 1A~1C
Figure 2A~2D
AI summary
A method for cutting objects from web-shaped material or for dividing web-shaped material, in which, in a first step, several material webs (4) are stacked in their home position on a support device (5), then the stack (6) is transferred to a conveying device (17, 19) located below the support device by being deposited onto the conveying device below, subsequently the stack is transported by means of the conveying device to the processing station (2), the objects are cut out and conveyed out of the processing station via the conveying device, wherein the support device is returned to its home position after the stack has been deposited onto the conveying device below, ready to receive a new stack of material webs. A corresponding apparatus is also specified.