Automatic Loading, Flipping and Unloading in One Robot System
1. Picking the Workpiece
Vacuum Gripping
The sheet metal is handled using a vacuum gripper with 8 suction cup positions. Depending on the workpiece size, 4 suction cups are used during operation.
Vacuum handling is commonly applied to flat sheet metal parts where a stable contact surface can be maintained during transfer. The layout allows flexible configuration for different part sizes while ensuring stable gripping during robot motion.
2. Guiding Instead of Forcing — The Positioning Design
Ball Transfer Table
- Move the workpiece into position.
- Align the workpiece with the side guides.
- Prepare the part for robot picking.
3. Flip Without Losing Accuracy
The workpiece is flipped so the burr side faces the required direction for the next process.
The main reason is simple: burrs are usually on one side after cutting or stamping.
Flipping makes sure the burr side is always in a controlled direction, so it won’t affect fixture locating, assembly, or downstream processes.
It also helps keep a consistent orientation for CNC, welding, and inspection, making the whole process more stable.
In sheet metal parts, flipping can also help the part sit more naturally and improve handling consistency for robots.
4. Height Adjustment & Roller Transfer
A lifting roller conveyor is used for part transfer between stations with different working heights.
It enables vertical adjustment of the conveyor level so the workpiece is always presented at a consistent transfer height for the robot, regardless of upstream or downstream equipment elevation differences.
This ensures stable handover conditions, simplifies line integration, and reduces the need for custom fixture height alignment between processes.
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