Panel Sorting Device Cross Shuttle Segmentation
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Solution Overview
Problem
Conventional panel sorting devices are inefficient due to large movement amounts of reciprocating shuttle conveyors, requiring significant space and frequent maintenance, and do not meet the demands of increased press machine productivity.
Innovation Solution
A panel sorting method and device that sorts workpieces by moving them approximately half the width of the workpiece orthogonal to the conveying direction, using a cross shuttle with three conveyor belts, allowing efficient transfer and reducing the size of the device, while independently replacing worn conveyor belts for maintenance efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a reciprocating shuttle conveyor is used to sort workpieces to multiple panel chutes, then the workpieces can be sorted to different destinations, but the movement amount is too large which reduces productivity and increases device size
Solution Approach 1:
The sorting function is divided into two sequential steps: first sorting to upper/lower beds, then sorting to right/left panel chutes. This segmentation allows each sorting action to cover a shorter distance, increasing the stroke per minute while maintaining the ability to sort to multiple destinations
Solution Approach 2:
The shuttle conveyor reciprocates with optimized movement amounts for each sorting step, dynamically adjusting its position to minimize travel distance while achieving the required sorting functionality
2Adaptability or versatility
If a reciprocating shuttle conveyor with large movement amount is used, then workpieces can be sorted to multiple panel chutes, but the device requires considerable space
Solution Approach 1:
The sorting process is segmented into two steps with the shuttle conveyor serving different sorting functions at different positions, reducing the overall space required compared to a single large-movement sorting mechanism
Solution Approach 2:
The sorting is performed in multiple dimensions: first in the vertical dimension (upper/lower beds), then in the horizontal dimension (right/left panel chutes), allowing compact device layout while achieving multi-destination sorting
3Productivity
If conveyor belts and rollers are used to convey large workpieces, then the workpieces can be transported, but frequent maintenance is required which increases time and costs
Solution Approach 1:
The conveyor system is divided into three separate conveyor belts that can be independently maintained, allowing one belt to be serviced while the others continue operating, significantly reducing maintenance downtime
Solution Approach 2:
The conveyor belts are designed to be easily replaceable and recoverable, with the ability to quickly swap worn belts for new ones, minimizing maintenance time and costs
Data Source
AI summary
In sorting workpieces by using a panel sorting device, a lateral movement amount of a cross shuttle is approximately half of a width W of the workpiece, which is remarkably smaller than that in a conventional device. Therefore, the workpieces can be efficiently transferred to the panel chute in a short cycle time, thereby improving the productivity of a press line. Further, since the workpieces are transferred to two lateral places adjacent to each other on the panel chute and the laterally adjacent workpieces are not unnecessarily separated from each other, the size of the panel chute can be reduced. This, along with the small movement amount of the cross shuttle, enables the whole panel sorting device to be reduced in size and the installation space for the panel sorting device to be also reduced.