Machine Tool Slide Plate Sealing System for Chip Leakage Prevention
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Solution Overview
Problem
Conventional machine tool sealing structures allow chips and coolant to leak into the feed mechanism, compromising sealing effectiveness.
Innovation Solution
A sealing system with slide contact members on the cover member and bed side member, where the first and second slide contact members relative slide in contact, preventing gaps and enhancing sealing by intersecting slide contact directions and varying contact areas, and incorporating a weir portion to inhibit chip entry.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a gap is provided between guide plates to supply compressed air for sealing, then compressed air can be supplied to the gap, but chips in powder form and coolant can still leak to the feed mechanism side
Solution Approach 1:
A seal member (wiper) is introduced as an intermediary element between the guide plates to physically block chips and coolant. The wiper is disposed in the gap between the first and second guide plates and actively removes contaminants that pass through the compressed air barrier, creating a multi-layered sealing system where the wiper serves as the critical mediator preventing harmful factor leakage.
2Ease of operation
If the cover member is fixed to the movable unit to move together, then the cover member follows the movable unit motion, but gaps may form between stationary and moving components
Solution Approach 1:
The sealing system is designed to be dynamic rather than static. The wiper is configured to move together with the cover member and movable unit, maintaining continuous contact with the guide plates throughout the motion range. This dynamic configuration ensures the sealing interface adapts to position changes while preventing gap formation, resolving the contradiction between operational mobility and sealing reliability.
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
Effectively prevents chips and coolant from entering the feed mechanism, significantly improving sealing properties and ensuring reliable operation.
Implementation Method 1
The first and second slide contact members relatively slide while being in contact with each other
Data Source
AI summary
To provide a machine tool capable of preventing even chips in a powder form and coolant from leaking to a feed mechanism side. A slide plate 12 is provided to cover a feed mechanism 16. The slide plate 12 is fixed to a second headstock 6 to move in an axial direction together with the second headstock 6. Between the slide plate 12 and a bed side member, a seal portion 31 is provided. The seal portion 31 has a first slide contact member 20 provided on the slide plate 12 and a second slide contact member 18b which is provided on the bed side member and in slide contact with the first slide contact member 20, and the first and second slide contact members 20 and 18b relatively slide while being in contact with each other.