Tool Machine Main Shaft Quick Cutter Wheel Replacement
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Solution Overview
Problem
Conventional polishing machines require cumbersome and time-consuming processes to replace abrasive wheels, increasing labor costs and efficiency losses.
Innovation Solution
A main shaft structure for a tool machine featuring a base, worktable, motor fixing seat, cutter seat, and cutter wheel unit with a pivot axle and adjustable bearing seats, allowing for quick detachment of the cutter wheel unit by loosening screws and moving connection members.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the conventional polishing machine uses a belt or chain to drive the transmission wheel, then the cutter wheel unit can be driven by the motor unit, but the replacement process becomes troublesome and time-consuming
Solution Approach 1:
The invention divides the cutter wheel unit into separable components (cutter wheel, bearing seats, pivot axle) that can be independently detached from the cutter seat. The bearing seats are designed with positioning portions that align with positioning holes in the cutter seat, allowing the entire unit to be quickly removed as a modular assembly without manipulating separate belts or chains.
Solution Approach 2:
The invention extracts the driving mechanism (belt or chain) from the replacement process. Instead of detaching belts or chains to replace the cutter wheel, the motor unit directly drives the pivot axle through embedded-head screws, eliminating the need to manipulate transmission components during replacement.
2Productivity
If the bearing seats are coupled to the frame and transmission wheel is wound by belt or chain, then the cutter wheel unit can be driven, but the labor cost increases due to time-consuming replacement
Solution Approach 1:
The bearing seats are pre-positioned in the cutter seat with alignment holes that match positioning portions on the cutter seat. The pivot axle is pre-installed with embedded-head screws that engage directly with the motor unit's output axle. This preliminary arrangement of components allows for rapid replacement without time-consuming alignment or reconfiguration steps.
3Ease of operation
If multiple components (belt, transmission wheel, bearing seats) need to be detached, then the cutter wheel unit can be replaced, but the process becomes troublesome
Solution Approach 1:
The invention merges the bearing seats and pivot axle into a single integrated cutter wheel unit that can be detached together. The bearing seats are positioned with alignment features that allow the entire assembly to be removed in one operation, eliminating the need to separately detach belts, transmission wheels, and bearing seats.
Data Source
AI summary
A main shaft structure of a tool machine includes a base, a worktable, a motor fixing seat, a cutter seat, and a cutter wheel unit. The worktable is mounted on the base. The motor fixing seat is connected to one side of the base, and another side is connected with the cutter seat. Two ends of the cutter seat respectively have bearing recesses and first positioning portions close to the bearing recesses. The cutter wheel unit is coupled to the cutter seat. Two ends of the cutter wheel unit are provided with bearing seats which are placed into the bearing recesses. The bearing seats have second positioning portions to connect with the first positioning portions, so that the cutter wheel unit can be detached from the cutter seat quickly.