Adjustable Clamping Arms for Sewing Machine Hoop Frames
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Solution Overview
Problem
Conventional clamping systems for sewing and embroidery machines are cumbersome, require frequent human intervention, and cause material damage due to undue pressure, while they fail to handle different widths and slippery materials efficiently, leading to machine downtime and complex operations.
Innovation Solution
A clamping system with multiple air ram and cylinder assemblies, adjustable clamping arms, and a floating foot mechanism that allows for quick repositioning and secure holding of materials without pre-clamping, enabling handling of various widths and types of materials without frame arm changeovers, and reducing human intervention.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If conventional clamping systems use tubular frame arms to hold hoop frames, then material can be secured for sewing/embroidery, but machine downtime increases due to frequent frame arm changeovers and re-hooping operations
Solution Approach 1:
The clamping system employs dynamically adjustable clamping arms that can be repositioned along the hoop frame without requiring complete frame changes. The arms feature adjustable positions and angles, allowing continuous adaptation to different material widths and sewing patterns, thereby eliminating downtime associated with static frame changes
Solution Approach 2:
The clamping system integrates multiple functions into a single装置: it can clamp various material widths, adjust to different sewing patterns, and maintain positioning throughout the sewing process. The universal design allows one clamping system to handle multiple sewing tasks without requiring specialized frame changes for each operation
2Adaptability or versatility
If conventional clamping systems use fixed hoop frames, then material can be held in position, but the system fails to handle different widths and slippery materials efficiently
Solution Approach 1:
The clamping arms are designed with dynamic adjustment capabilities, allowing operators to reposition them along the hoop frame to accommodate different material widths. The arms can be adjusted to various positions and angles, providing versatility without requiring multiple fixed-size frames
Solution Approach 2:
The clamping system divides the hoop frame into multiple adjustable segments or positions where clamping arms can be placed. This segmentation allows flexible configuration for different material sizes while maintaining a single integrated frame structure, avoiding the complexity of multiple complete frame sets
3Reliability
If conventional clamping systems apply strong clamping force to hold material, then material positioning is secure, but undue pressure causes damage to the material
Solution Approach 1:
The clamping system incorporates adjustable clamping force parameters, allowing operators to optimize the holding force for different material types. The ability to modify clamping pressure ensures secure positioning of slippery or delicate materials while preventing damage through excessive force
Solution Approach 2:
The clamping arms feature localized adjustment capabilities, allowing different sections of the arm to apply different levels of pressure. This enables secure clamping at critical positions while applying minimal pressure to sensitive areas of the material, preventing damage while maintaining stability
4Adaptability or versatility
If conventional clamping systems require frequent human intervention for frame arm changeovers, then adjustments can be made for different materials, but operational complexity and time consumption increase
Solution Approach 1:
The clamping system features dynamically adjustable components that can be quickly repositioned without complete disassembly or changeover procedures. The adjustable arms and positioning mechanisms allow operators to adapt to different material types through simple repositioning actions rather than complex frame changes
Solution Approach 2:
The system incorporates self-adjusting features that reduce the need for extensive manual intervention. Once configured for a particular material type, the clamping mechanism can maintain its settings automatically throughout the sewing process, and quick-release features enable rapid reconfiguration when needed
Data Source
AI summary
The present disclosure generally relates to a clamping system. Particularly, the present disclosure relates to a clamping system for holding material to be sewn/embroidered by a sewing machine.