Cutting Ring Mounting Device With Capacitive Position Detection
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Solution Overview
Problem
Existing devices and methods for assembling cutting rings on pipes lack sufficient process reliability, leading to a high scrap rate due to inadequate positioning and alignment, which affects the quality of the cutting ring connection.
Innovation Solution
A device with a mounting socket and a measuring device that detects the position of the pipe relative to the assembly socket, ensuring precise alignment and contact between the pipe's end face and the stop surface, using a capacitive sensor or pressure changes to generate a status signal for controlling the assembly process.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If conventional assembly devices and methods are used for assembling cutting rings on pipes, then the device complexity remains low, but the manufacturing precision and reliability deteriorate due to inadequate positioning and alignment
Solution Approach 1:
The patent replaces mechanical position detection methods with a capacitive sensor-based measuring device. The capacitive sensor detects the position of the pipe end face relative to the assembly socket through electrical field changes, eliminating the need for complex mechanical measurement systems while achieving high positioning precision.
Solution Approach 2:
The measuring device is integrated directly into the assembly socket, allowing the socket to perform both assembly and measurement functions. The capacitive sensor automatically detects pipe positioning during the assembly process, enabling self-verification of positioning accuracy without requiring separate measurement equipment.
2Reliability
If conventional assembly methods are used without position detection, then the device complexity remains low, but the reliability deteriorates due to high scrap rate
Solution Approach 1:
The capacitive sensor provides real-time feedback on pipe positioning accuracy during the assembly process. The measuring device continuously monitors the distance between the pipe end face and the assembly socket, enabling operators to adjust positioning before the cutting ring assembly is completed, thereby preventing defective assemblies and reducing scrap rate.
3Manufacturing precision
If precise position detection is implemented, then the manufacturing precision improves, but the device complexity increases due to additional measuring components
Solution Approach 1:
The assembly socket is designed to perform multiple functions: it serves as both the assembly fixture and the housing for the capacitive sensor. The sensor is integrated into the socket structure, allowing the same component to provide both mechanical support and electrical measurement functions, thereby minimizing the increase in device complexity.
Solution Approach 2:
The capacitive sensor acts as an intermediary between the pipe and the measurement system. Instead of requiring direct mechanical contact or complex optical systems, the sensor uses electrical field interactions to detect pipe position, providing a simple yet effective measurement mechanism that minimizes added complexity.
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
The solution ensures that the cutting ring is correctly positioned and assembled, reducing scrap rates and ensuring a reliable, tight cutting ring connection that meets high-pressure hydraulic connection requirements.
Implementation Method 1
the measuring device has a capacitive sensor
Implementation Method 2
the measuring device has a pump and a pressure sensor; the insertion of the tube into the receiving recess leads to a change in a pressure caused by the pump
Implementation Method 3
the measuring device has a pump and a flow meter; the insertion of the tube into the receiving recess leads to a change in a flow rate
Data Source
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AI summary
The present invention relates to a device (1) for mounting a cutting ring, comprising a mounting sleeve (7) with a receiving recess (10) for receiving an end region of a tube with an end face, and a cutting ring that can be slid onto the end region and mounted on the tube. The invention further relates to a method for mounting a cutting ring. A cutting ring that reduces the reject rate during pre-assembly is achieved by providing a measuring device (9), and by designing and configuring the measuring device (9) to detect the position of a tube inserted into the receiving recess (10) relative to the mounting sleeve.