Tufting Machine with Segmented Needles for Graphic Turf

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Solution Overview

Problem

Conventional tufting machines with backing feed mechanisms struggle to produce precise, dynamic, multicolored tuft patterns due to synchronous needle reciprocation and lateral shifting limitations, leading to imprecise tuft placement and potential color discontinuity in large athletic turf installations, while fixed backing machines offer stability but low production throughput.

Innovation Solution

A tufting machine with a tenter frame and dual beam gantries that maintains lateral stability and tension using looped tenter chains and spooling rollers, allowing for continuous tufting of graphic and non-graphic sections with precise, multicolored designs by enabling lateral shifting and precise needle placement without manual intervention.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If conventional backing feed mechanisms are used with synchronous needle reciprocation, then high volume production is achieved, but manufacturing precision and graphic accuracy deteriorate due to operational irregularities and inability to produce dynamic multicolored patterns

Engineering Contradiction:

Improvehigh volume productionVSAvoidtuft placement precision

Core Design Contradiction:

ProductivityVSManufacturing precision

Solution Approach 1:

The patent divides the tufting system into independent, selectively actuated needle units rather than synchronous bar-mounted needles. Each needle or needle group can be individually controlled to reciprocate only when needed for specific graphic locations, allowing precise placement while maintaining high productivity through selective operation rather than continuous synchronous motion

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The invention implements dynamic control where needle reciprocation is not fixed in synchronous patterns but is selectively activated based on graphic design requirements. The system can dynamically adjust which needles operate, when they operate, and their lateral positions, enabling precise multicolored graphic patterns while maintaining production efficiency

Inventive Principle:

Principle #15Dynamics

2Adaptability or versatility

If needle bars are made laterally shiftable to produce multicolored patterns, then adaptability improves, but manufacturing precision deteriorates due to coordination difficulties between lateral shift and longitudinal progression

Engineering Contradiction:

Improvemulticolored pattern capabilityVSAvoidtuft placement precision

Core Design Contradiction:

Adaptability or versatilityVSManufacturing precision

Solution Approach 1:

The patent segments the needle bar into independently controllable needle units that can be laterally positioned and selectively reciprocated. This segmentation allows each needle or group to be precisely controlled in both lateral and longitudinal dimensions, eliminating the coordination problems of integrated bar systems while maintaining full adaptability for multicolored graphic patterns

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The system incorporates computer control that coordinates lateral shifting and longitudinal progression with precise feedback mechanisms. The computer-controlled system monitors and adjusts the position and operation of each needle unit to ensure accurate tuft placement at intended locations, resolving the coordination difficulties between lateral and longitudinal motions

Inventive Principle:

Principle #23Feedback

3Manufacturing precision

If fixed backing machines are used, then manufacturing precision improves through stable backing tension, but productivity deteriorates due to low production throughput

Engineering Contradiction:

Improvegraphic accuracyVSAvoidproduction throughput

Core Design Contradiction:

Manufacturing precisionVSProductivity

Solution Approach 1:

The invention creates a dynamic system where the backing can be progressively fed through the tufting zone while maintaining tension stability. The combination of selective needle reciprocation and controlled backing feed allows the machine to process longer continuous lengths of backing with consistent tension, thereby increasing throughput while preserving graphic accuracy

Inventive Principle:

Principle #15Dynamics

Solution Approach 2:

The system enables continuous tufting operation by coordinating selective needle reciprocation with continuous or stepped backing feed. Rather than stopping and starting repeatedly, the machine maintains continuous productive action by advancing the backing and selectively actuating needles as needed, thereby increasing throughput while maintaining precision through computer control

Inventive Principle:

Principle #20Continuity of useful action

Data Source

PatentUS9051672B2Tufting machine for producing a precise graphic design

Publication Date: 2015.06.09 PRECISIONJET LLC

AI summary

A tufting machine producing athletic turf bearing precise graphic patterns at a high throughput rate is disclosed. The machine includes tenter frame to which a backing material is attached, a bed frame to which the tenter frame is attached, a support assembly upon which the bed frame is movably mounted, and a series of tufting frames upon which tufting head components are mounted. The tenter frame and bed frame are computer-controlled to advance and retract the backing relative to the tufting frames, and the tufting head components are computer controlled to laterally shift and to asynchronously reciprocate tufting needles as is necessary to form a desired tuft pattern.