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Low Cost Automation Tutorial

#197 Design Image Training - 13: Hoisting Mechanism and Collection Mechanism

Category : Hints on designing
January23, 2015

When designing an automated/labor-saving parts supply system, you will determine the supply method in consideration of the part shape and the relationship with the next process task, such as that using the self-weight of the workpiece or that of mechanically moving the workpiece with actuators.

To collect color balls from the bingo layout plate, we adopted the collection mechanism by self-weight for the Bingo Machine. This method utilizes the self-weight of color balls when they roll down the inclined surface. To return the color balls back to the stock rotation table after collecting them, we adopted the mechanical hoisting mechanism.

By effectively combining the movement by self-weight and the mechanical movement, you will be able to take advantages of both methods to create a simple, compact, and highly reliable parts supply mechanism.

If you rely heavily on adopting the mechanical method, the mechanism structure is likely to become unnecessarily complex. Therefore, this is where we need to devise the design by combining the simple moving method of rolling/sliding on the inclined surface or that of dropping by self-weight.

A part lowered down by its self-weight will be moved up to the higher position by mechanical method and have the potential energy again. Then it will be grasped by a tool such as a chuck and positioned by the transferring mechanism, which is the end of one cycle.
The Bingo Machine uses this series of moving cycles.

[Figure] Hoisting mechanism and collection mechanism

[Photo] Hoisting mechanism and collection mechanism

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