Rubber Sealing Ring Deburring with Core Rod and Dual Grinding Heads
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Solution Overview
Problem
Existing methods for removing vulcanization margins in rubber products suffer from inaccuracies and inefficiencies due to human intervention or difficulty in controlling removal forces, affecting both efficiency and appearance quality.
Innovation Solution
A device comprising a vibrating plate, motor assembly, core rod, clamping and margin-removing apparatuses, and photoelectric sensors, which automates the process of removing margins with precise control using linear sliding platforms and grinding heads, ensuring high accuracy and stability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If manual removal method is used, then various regular and irregular rubber product margins can be removed, but removal accuracy is unstable due to human factors and removal efficiency is low
Solution Approach 1:
The patent replaces the manual mechanical removal system with an automated mechanical system featuring a programmable control unit that controls the movement of the grinding head along predefined paths. This substitution eliminates human factor variability while maintaining the ability to handle different margin geometries through programmable motion sequences.
Solution Approach 2:
The patent implements adjustable grinding parameters including variable grinding wheel speed, controllable feed rate, and adjustable grinding depth through the control unit. These parameter changes enable precise control over the removal process, ensuring consistent accuracy across different product types and margin configurations.
2Productivity
If frozen deburring method is used, then margin removal efficiency is improved, but removal accuracy is difficult to control affecting appearance quality
Solution Approach 1:
The patent employs a dynamic control system where the grinding head movement speed, feed rate, and grinding wheel rotation speed are continuously adjustable during the removal process. This dynamic adjustment capability allows the system to maintain optimal removal efficiency while precisely controlling the amount of material removed to preserve appearance quality.
Solution Approach 2:
The patent incorporates a control unit that monitors and adjusts grinding parameters in real-time based on process conditions. This feedback mechanism ensures consistent removal accuracy by automatically compensating for variations in margin thickness, material properties, and tool wear, thereby maintaining both high efficiency and precision.
3Manufacturing precision
If automated grinding system is implemented, then removal accuracy and consistency are improved, but device complexity increases
Solution Approach 1:
The patent designs a multi-functional integrated system where a single control unit performs multiple functions including motion control, parameter adjustment, and process monitoring. The grinding apparatus can handle various margin types and product geometries through programmable sequences, reducing the need for multiple specialized devices and thereby managing complexity while maintaining high precision.
4Reliability
If excessive rubber is filled in mold cavity, then product deficiency is prevented, but vulcanization margins are generated requiring removal
Solution Approach 1:
The patent implements a dedicated margin removal system that selectively extracts and removes the vulcanization margins generated during molding, while leaving the main product intact. This extraction process addresses the harmful effect of margins without compromising the reliability benefit of using excessive rubber fill in the mold cavity.
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 device achieves high-accuracy, automated margin removal with adjustable precision, minimizing damage to the rubber products and ensuring consistent quality.
Implementation Method 1
a motor assembly (5), wherein the motor assembly (5) is arranged below the installation platform (4); the core rod (9) is arranged above the motor assembly (5)
Implementation Method 2
a margin-removing apparatus (8), wherein both the clamping apparatus (6) and the margin-removing apparatus (8) are a linear sliding platform mechanism with two degrees of freedom in a X-axis and a Z-axis
Implementation Method 3
the lower grinding head (808) touches and grinds the outer margins of the semi-product, and the grinding force between the lower grinding head (808) and the semi-product functions to remove the outer margins
Implementation Method 4
one side of the core rod (9) far away from the product-collecting box (10) is further provided with an air-pumping apparatus (11) and an air-blowing apparatus (12)
Implementation Method 5
an air-pumping apparatus (11) and an air-blowing apparatus (12)
Data Source
AI summary
A device for automatically removing margins of rubber sealing rings in high-precision includes a vibrating plate, an installation platform, a motor assembly and a core rod, wherein the motor assembly is arranged on the lower part of the installation platform, the core rod is arranged above the motor assembly, the core rod is a metal rod, the top of which is tapered, a clamping apparatus, an auxiliary apparatus and a margin-removing apparatus are arranged beside the core rod, a product-conveying belt and a buffer conveyor belt are arranged on the installation platform, one side of the core rod far away from the product-collecting box is further provided with an air-pumping apparatus and an air-blowing apparatus. A method for automatically removing margins of rubber sealing rings in high-precision includes: automatically positioning, removing outer margins, removing inner margins step-by-step and automatically collecting.