Ulrich Rotte GmbH: Drawer assembly automation

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Drawer assembly automation

Robot cell for assembly of trays for drawers and pull-outs

Just in sequence
Operator pick-to-light assistance system and video projection
Fully automatic, infinitely variable size adjustment
Fully automatic loading and unloading as well as pressing
Plausibility check / fail-safety thanks to visual recognition technology

Description:

The robot cell is used for the automated assembly of drawers (D) and pull-outs (PO) up to batch size 1.

The material is fed in either manually by a worker or fully automatically. Manual provisioning is supported by optical assistance systems such as product-specific projections and pick-to-light. During fully automatic material feeding, either the robot unloads the material directly or additional robot cells support it in this process.

The press adjusts automatically to the required size. After material supply, a vision process detects the exact position so that the main robot can precisely remove the components and fully automatically insert them into the press. The pressing process is triggered automatically. The robot then removes the finished tray and transfers it to an (optional) transfer station. This means that the tray lies on the conveyor belt with the opening facing upwards.

Production example:

Robot cells	4 robot cells: Cell for preparing the bases with 28 pallet spaces, cell for preparing frames and rear walls, 2 cells with a fully automatic press and component recognition for D/PO assembly in "batch size 1"
Connection of cells	By belt conveyor
Base (width)	300 - 1.200 mm
Base (depth)	300, 400, 500 mm
Frames (depths)	300, 400, 500 mm, different types
Back walls (widths)	Widths from 120 - 1,200 mm, different types
Output	2,131 D/PO per shift
Press infeed	Fully automatic, infinitely variable
Insertion and removal	Fully automatic in “batch size 1”

Your advantages:

Demand-oriented: Production of D and PO which also require a Just in Sequence system on the cabinet assembly line
Increased flexibility: Manual set-up of the press and insertion of the components are no longer necessary
Errors are minimized thanks to state-of-the-art projection and pick-by-light technology

Options and extensions: