Automatic Canvas Wrapping Machine Precision Control
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Solution Overview
Problem
Existing rubberized canvas wrapping apparatuses for rubber V-belts suffer from low precision and high defective rates due to manual cutting and uneven drawing of base compound rubber, resulting in inefficient production and high costs.
Innovation Solution
An automatic canvas wrapping machine is introduced, comprising a canvas conveying device, yarn core mounting device, canvas wrapping device, and cutting device, which automatically wraps and cuts the rubberized canvas around a yarn core with precise control, using a programmable logic controller to manage the process and ensure uniformity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If manual cutting and drawing operations are used, then device complexity is reduced, but manufacturing precision deteriorates
Solution Approach 1:
The patent replaces manual mechanical cutting operations with an automatic cutting device that uses a cutting blade actuated by a control system. The cutting device is integrated into the wrapping apparatus and automatically positions and cuts the rubberized canvas at precise locations, eliminating manual cutting and achieving high cutting precision without requiring complex manual operation mechanisms.
2Device complexity
If manual drawing of base compound rubber is used, then device complexity is reduced, but manufacturing precision deteriorates
Solution Approach 1:
The patent replaces manual drawing operations with an automatic drawing mechanism that uses a drawing device actuated by a control system. The drawing device automatically draws the base compound rubber with uniform tension and precision, eliminating manual drawing variations and achieving consistent drawing uniformity without requiring complex manual operation mechanisms.
3Device complexity
If one person operates one wrapping apparatus, then device complexity is reduced, but productivity deteriorates
Solution Approach 1:
The patent implements an automatic wrapping apparatus that performs the wrapping operation without continuous manual intervention. The control system automatically controls the wrapping process, including the drawing, wrapping, and cutting operations, enabling the machine to operate autonomously and continuously, thereby significantly improving productivity while maintaining relatively simple device structure.
4Manufacturing precision
If automatic wrapping with precise control is implemented, then manufacturing precision improves, but device complexity worsens
Solution Approach 1:
The patent merges the drawing device, wrapping device, and cutting device into a single integrated automatic wrapping apparatus. These devices are controlled by a unified control system that coordinates their operations, achieving high wrapping precision through automated control while avoiding the need for multiple separate complex devices. The integration allows precise coordination of all operations within one apparatus.
Data Source
AI summary
An automatic canvas wrapping machine including a canvas conveying device, a yarn core mounting device, a canvas wrapping device, and a cutting device is described herein. The canvas conveying device conveys a rubberized canvas for wrapping a yarn core. The yarn core mounting device is disposed in a conveying direction of the canvas conveying device, and the yarn core is mounted in the yarn core mounting device and attached to the rubberized canvas conveyed by the canvas conveying device. The canvas wrapping device is disposed on one side of the yarn core mounting device and presses the rubberized canvas reciprocatingly along a direction vertical to the conveying direction, so as to tightly attach the rubberized canvas to the yarn core. The cutting device is disposed at an upper part of the canvas conveying device and cuts the rubberized canvas after the canvas wrapping device completes canvas wrapping.