Woodworking Milling Machine Positioning Device with Minimal Gap Guide
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Solution Overview
Problem
Existing woodworking milling machines face issues with milling powder and chips scattering upward due to gaps between the milling cutter and the mounting holes, reducing operator visibility and limiting the effective processing stroke due to the vertically arranged support assembly.
Innovation Solution
A positioning device for woodworking milling machines that includes a mounting platform with a base plate and track engagement members, a guide sleeve assembly, guide columns, a drive unit, and a lead screw, allowing the spindle head to move vertically and the milling cutter to pass through a through hole with a minimal gap, reducing powder and chip scattering and enhancing processing efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the mounting hole and through hole are sized larger than the diameter of the largest milling cutter to accommodate different sizes, then the adaptability is improved, but the gap between the hole walls and cutter circumference increases causing milling powder and chips to scatter upward
Solution Approach 1:
The patent applies local quality by providing different hole sizes at different locations: the mounting hole has a first diameter optimized for securing the spindle head, while the through hole has a second diameter specifically sized to minimize gaps with the milling cutter. This localized differentiation allows each hole to serve its optimal function without compromising the other.
2Ease of operation
If the support assembly is vertically arranged to enable downward movement of the milling cutter, then the ease of operation is improved, but the effective processing stroke is reduced
Solution Approach 1:
The patent resolves this contradiction by introducing a horizontal sliding mechanism that moves the spindle head along the X-axis. This adds a horizontal dimension to the movement, allowing the milling cutter to achieve greater processing stroke by moving horizontally rather than being limited by vertical space constraints.
3Ease of manufacture
If the mounting hole and through hole are positioned to align with the spindle head structure, then the ease of manufacture is improved, but the gap between holes and cutter circumference causes visible scattering of milling powder and chips
Solution Approach 1:
The patent applies local quality by providing different hole sizes at different locations: the mounting hole has a first diameter optimized for securing the spindle head, while the through hole has a second diameter specifically sized to minimize gaps with the milling cutter. This localized differentiation allows each hole to serve its optimal function without compromising the other.
Data Source
AI summary
Disclosed is a positioning device for a woodworking milling machine, which is designed to mount the machine on a track device. The positioning device has a mounting platform, a guide sleeve assembly, guide columns, a drive unit, and a lead screw. The mounting platform includes a base plate with a through hole slightly larger than the spindle head to allow the spindle head to pass through the through hole. The guide sleeve assembly is connected to the spindle head, while the guide columns are connected to the base plate and extend upwardly, pivotally passing through the guide sleeve assembly. The drive unit is connected to the mounting platform and drives the lead screw to rotate. The lead screw is parallel to the guide columns and threaded through the guide sleeve assembly to enable the guide sleeve assembly to move the spindle head vertically.