Conveying Device Acceleration Braking Workpiece Transport

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Solution Overview

Problem

Conventional conveyor devices, such as roller conveyor devices, require significant time to transport workpieces from one treatment area to another, leading to long downtimes for painting robots and low utilization rates due to their slow conveying speed.

Innovation Solution

A conveyor device equipped with an acceleration device and a braking device, which can rapidly accelerate and decelerate workpiece receiving devices, allowing for quick transportation between treatment areas, utilizing components like belt drives, pressure cylinder devices, and friction wheel drives to achieve high-speed movement and precise positioning.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If conventional roller conveyor devices are used to transport workpieces, then the conveying device is simple in structure and easy to operate, but the conveying speed is slow resulting in long transport time and low productivity

Engineering Contradiction:
Improveconveying speedVSAvoidtransport time
Core Design Contradiction:
ProductivityVSLoss of time

Solution Approach 1:

The patent applies dynamics by making the acceleration element movable between a starting position and a final position to accelerate the workpiece holding device. The acceleration element can be moved to the end position and then back to the starting position multiple times in succession, enabling rapid acceleration and deceleration cycles that dramatically increase conveying speed while reducing transport time between treatment areas.

Inventive Principle:
Principle #15Dynamics

2Productivity

If acceleration device and braking device are added to enable rapid movement, then conveying speed and productivity are improved, but device complexity increases

Engineering Contradiction:
Improveconveying speedVSAvoidconveying device structure
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

The patent merges the acceleration device and braking device into a single integrated system. The acceleration element serves dual functions: when moved from starting position to final position, it accelerates the workpiece holding device; when moved from end position back to starting position, it acts as a braking device to decelerate and stop the workpiece holding device. This combination reduces overall device complexity while maintaining high productivity.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The acceleration element is designed with multi-functionality, serving both as an acceleration device and a braking device depending on its direction of movement. This universal component performs multiple functions within the conveying system, reducing the need for separate dedicated acceleration and braking mechanisms, thereby simplifying the overall device structure.

Inventive Principle:
Principle #6Universality (Multi-functionality)

Applied Scientific Principles

This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.

Function Achieved in This Case

Enables the rapid and efficient transportation of workpieces between treatment areas, reducing downtime and increasing the utilization rate of painting robots by allowing for faster processing and positioning, thus enhancing overall system efficiency.

Implementation Method 1

a friction wheel drive

Methodology Applied
Scientific EffectFriction: Friction

Implementation Method 2

a friction wheel drive

Methodology Applied
Scientific EffectFriction: Friction

Implementation Method 3

a belt drive

Methodology Applied
Scientific EffectFriction: Friction

Data Source

PatentEP2989030B1Conveying device for conveying workpieces, workpiece treatment plant and method for conveying workpieces
Publication Date: 2020.02.26 DUERR SYST AG
  • EP2989030B1 patent drawingFigure 1
  • EP2989030B1 patent drawingFigure 2
  • EP2989030B1 patent drawingFigure 3

AI summary

In order to provide a conveying device (100) for conveying workpieces (102) along a conveying direction (104), by means of which conveying device (100) the workpieces can be moved in a short time from a start position (124) to an end position (126), it is proposed that the conveying device comprises the following: a workpiece receiving device (114), on which one or more workpieces can be arranged; an accelerating device (132), by means of which the workpiece receiving device including the one or more workpieces arranged thereon can be accelerated starting from a predefined start position of the workpiece receiving device along the conveying direction; a braking device (134), by means of which the workpiece receiving device including the one or more workpieces arranged thereon can be braked at a predefined end position.