Warp Knitting Machine Adjustment via Camera and Touch Display
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Solution Overview
Problem
The adjustment of warp knitting machines is complex and requires skilled operation, involving the use of magnifying glasses and control panels with multiple switches, making it difficult for workers to accurately position guide needles relative to knitting needles without collision.
Innovation Solution
A method using a camera and touch-sensitive display to visualize the knitting tool area, allowing workers to generate setting signals through actuating elements on the display, eliminating the need for a magnifying glass and simplifying the adjustment process by enabling real-time monitoring of bar movements and positions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If a magnifying glass and control panel with multiple switches are used for adjustment, then the operator can view the knitting tool area in detail, but the operation becomes complex and requires high skill level
Solution Approach 1:
The patent combines the viewing function (camera) and control function (touch-sensitive display) into a single integrated device. The touch-sensitive display shows the camera image and allows control operations through touch input, eliminating the need to simultaneously use a magnifying glass and control panel with multiple switches. This merging reduces operational complexity while maintaining viewing precision.
Solution Approach 2:
The patent replaces the mechanical control system (multiple physical switches and keys) with an electronic touch-sensitive interface. Instead of manipulating multiple physical controls while viewing through a magnifying glass, the operator interacts with a digital interface that integrates both viewing and control functions, significantly simplifying the adjustment process.
2Manufacturing precision
If multiple controls on the panel are operated simultaneously, then the desired adjustment can be achieved, but it requires high dexterity and increases the difficulty of operation
Solution Approach 1:
The patent merges multiple control functions into a single touch-sensitive display interface. Instead of requiring simultaneous operation of multiple physical controls, the operator can sequence touch inputs on the display, which processes each input and updates the system state accordingly. This maintains positioning accuracy while eliminating the dexterity requirement for simultaneous multi-control operation.
Solution Approach 2:
The patent introduces dynamic feedback through the touch-sensitive display, which shows real-time camera images of the knitting tool area. As the operator touches controls on the display, they can immediately see the effect on bar positions and tool alignment, allowing for iterative adjustments without requiring precise simultaneous multi-control operation. The system adapts to sequential input while maintaining positioning accuracy.
3Measurement precision
If a camera with magnification function is used, then the tools can be displayed larger on the screen, but the device complexity increases
Solution Approach 1:
The patent combines the camera imaging function with the display and control functions into an integrated system. Rather than adding a separate magnifying device, the camera is integrated with the touch-sensitive display, allowing the same device to provide both magnified viewing and control capabilities. This reduces overall system complexity compared to using separate devices.
Solution Approach 2:
The touch-sensitive display serves multiple functions: it displays the camera image with magnification, provides the control interface for adjustments, and shows feedback on bar positions. This multi-functional design eliminates the need for separate magnifying glasses and control panels, reducing device complexity while maintaining enhanced viewing capability.
Data Source
Figure 1
AI summary
A method for setting up a warp knitting machine (1) is described, in which a knitting tool area (3, 5) is viewed and setting signals are generated. The aim is to simplify the setting process. For this purpose, a camera (10) is used to view the knitting tool area (3, 5), and the knitting tool area (3, 5) is displayed on a screen (11).