Horizontal Double Disc Grinding Work Transfer Stability
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Solution Overview
Problem
Conventional horizontal double disc surface grinding machines experience transfer anomalies, leading to work inclination, falling, and facility stops, resulting in decreased operational efficiency and increased defects in working accuracy due to a large gap between V-belts and work guiding plates.
Innovation Solution
The implementation of a work falling prevention member with a guiding face that connects the work holding line and guiding line in a straight configuration, utilizing a pair of work guiding plates with adjustable positions and a V-belt system with trapezoidal concave grooves and flanges, along with an escape slit portion, to ensure stable and smooth transfer of the workpiece between grinding wheels.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a large gap is formed between the V-belt and work guiding plate to accommodate V-belt rotation and dimensional tolerance, then the V-belt can rotate freely and dimensional variations are absorbed, but the work transfer area becomes large causing work inclination and falling
Solution Approach 1:
The patent introduces a work guiding plate as an intermediary element between the V-belt and the workpiece. The guiding plate has a curved surface that matches the V-belt's path, providing continuous guidance and support to the workpiece during transfer. This mediator eliminates the need for a large gap while ensuring stable work transfer by maintaining contact with the workpiece throughout the V-belt rotation cycle.
2Reliability
If the work transfer area is reduced to prevent work falling, then transfer stability improves, but the V-belt cannot accommodate rotation and dimensional tolerance variations
Solution Approach 1:
The work guiding plate is designed with a curved surface that dynamically adapts to the V-belt's rotational movement. The curve radius is specifically designed to match the V-belt's path, allowing the guiding plate to maintain continuous contact with both the V-belt and workpiece throughout the rotation cycle. This dynamic design enables the system to accommodate V-belt rotation and dimensional variations while maintaining a compact transfer area.
3Manufacturing precision
If facility stops occur due to transfer anomalies, then work quality can be checked and corrected, but working ratio decreases and working accuracy becomes unstable
Solution Approach 1:
The work guiding plate performs preliminary guidance and positioning actions before the workpiece enters the grinding area. By ensuring proper workpiece orientation and position through the curved guiding surface, potential quality issues are prevented before they occur, eliminating the need for facility stops to check and correct work quality. This preliminary action maintains both high productivity and manufacturing precision.
Data Source
AI summary
A horizontal double disc surface grinding machine of through field type wherein a plate work in vertical posture is induced between grinding wheels by V-belts and work guiding plates. A work falling prevention member is disposed in a work transfer area. The work falling prevention member is provided with an upper plate, a middle plate, and a lower plate, and the middle plate is inserted to a gap between V-belt single bodies.