Pneumatic Textile Panel Picker for Automated Fabric Handling

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Solution Overview

Problem

The apparel manufacturing industry relies heavily on manual labor for tasks like cutting and picking fabric panels, which is inefficient and prone to panel damage, despite some automation in other processes.

Innovation Solution

A system and method for automated panel printing, cutting, and picking using a textile printer, cutter, and panel picker, where a computing device coordinates the operations, including image analysis for panel tracking and pneumatic suction for precise panel pickup and transport into totes for assembly.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If manual labor is used for picking fabric panels, then workers can handle the panels, but the process is inefficient and prone to panel damage

Engineering Contradiction:

Improvepicking efficiencyVSAvoidpanel damage risk

Core Design Contradiction:

ProductivityVSReliability

Solution Approach 1:

The patent replaces manual mechanical picking with an automated pneumatic system. A vacuum pump creates negative pressure to lift and transport fabric panels through tubes, eliminating direct human contact and mechanical handling that causes damage. This substitution maintains high productivity while significantly reducing panel damage risk.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The invention uses pneumatic principles where a vacuum pump generates negative pressure differential to pick up fabric panels. The pneumatic tubes convey panels automatically from cutting station to sewing station without manual intervention, resolving the contradiction between efficient automated picking and gentle panel handling.

Inventive Principle:

Principle #29Pneumatics and hydraulics

2Productivity

If automated picking systems are implemented, then productivity increases, but the system complexity increases

Engineering Contradiction:

Improvemanufacturing efficiencyVSAvoidautomation system complexity

Core Design Contradiction:

ProductivityVSDevice complexity

Solution Approach 1:

The automated picking system is segmented into modular components: vacuum pump units, pneumatic tubes, panel release mechanisms, and control systems. Each component performs a specific function and can be independently managed, reducing overall system complexity while maintaining high productivity.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The pneumatic tube system serves multiple functions: transporting panels, positioning them, and releasing them at destination. This multi-functionality reduces the need for separate mechanical handlers, simplifying the overall automation system while improving manufacturing efficiency.

Inventive Principle:

Principle #6Universality (Multi-functionality)

3Reliability

If pneumatic suction is used for panel pickup, then panel damage is reduced, but energy consumption increases

Engineering Contradiction:

Improvepanel handling reliabilityVSAvoidvacuum pump energy consumption

Core Design Contradiction:

ReliabilityVSUse of energy by moving object

Solution Approach 1:

The vacuum pump operates periodically rather than continuously - activating only when a panel needs to be picked and transported. The pump creates suction, transports the panel, then stops. This periodic operation maintains reliable panel handling while significantly reducing energy consumption compared to continuous operation.

Inventive Principle:

Principle #19Periodic action

Solution Approach 2:

The system extracts only the necessary energy for panel transport by using vacuum pressure differential. The pneumatic tubes leverage air pressure differences to move panels, requiring energy only for creating the pressure differential, not for continuous mechanical propulsion, thus reducing overall energy consumption while maintaining handling reliability.

Inventive Principle:

Principle #2Taking out (Extraction)

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

This approach enhances the reliability and reduces damage to textile panels during the picking process, enabling efficient automated manufacturing of various textile products by accurately identifying and handling different sizes and shapes.

Implementation Method 1

The panel picker is configured to use pneumatic suction to pull the one or more textile panels off of the cutting table, through the flexible transport tube, and into the hopper chamber

Methodology Applied

Scientific EffectNegative pressure: Pressure Gradient

Implementation Method 2

pneumatic suction for precise panel pickup and transport

Methodology Applied

Scientific EffectPneumatic suction: Suction

Data Source

PatentEP3429949B1Automated fabric picking

Publication Date: 2023.11.01 AMAZON TECH INC

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AI summary

Aspects of automated fabric picking are described. In one embodiment, a system includes a textile cutter (176) including a tabletop (424) upon which textile panels (192) can be cut out from a textile sheet (410), a textile panel picker (177), and a computing device (110). The textile panel picker includes a flexible transport tube (462), a transport tube transfer arm (450) to position the flexible transport tube over the tabletop and the textile panels, a textile hopper (464) to collect the textile panels, and a pneumatic pump assembly (466) to evacuate air from the textile hopper and through the flexible transport tube. The computing device identifies and tracks the textile panels on the tabletop, directs the transport tube transfer arm to position the flexible transport tube over the textile panels, and directs the pneumatic pump assembly to generate suction to pull the textile panels through the flexible transport tube and into the textile hopper.