Polishing Head Mount Locking for One-Step Working Head Changes
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Solution Overview
Problem
Existing polishing machines require a cumbersome two-step operation for installing working heads, which is inefficient and inconvenient.
Innovation Solution
A polishing machine with a limiting member and locking mechanism that allows for one-step secure attachment of the working head by activating the locking mechanism through the movement of the mounting shaft, eliminating the need for additional operations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a traditional two-step operation is used for installing the working head, then the mounting shaft can be securely attached to the main shaft, but the installation process becomes cumbersome and time-consuming
Solution Approach 1:
The patent combines the two separate operations (pulling down the operating sleeve to form insertion space, then inserting the working head) into a single integrated operation. The operating sleeve is designed to simultaneously create the insertion space and guide/secure the mounting shaft in one continuous motion, eliminating the need for separate steps while maintaining secure attachment.
Solution Approach 2:
The operating sleeve is pre-configured with guiding features and positioning structures that prepare the insertion path and alignment before the mounting shaft is fully inserted. This preliminary preparation of the insertion space and guiding mechanism ensures that the secure attachment is achieved automatically as part of the insertion motion itself, rather than requiring a separate securing step.
2Reliability
If a traditional two-step operation is used for installing the working head, then the mounting shaft can be securely attached to the main shaft, but the installation efficiency is reduced
Solution Approach 1:
The patent merges the space-creation operation and the insertion operation into a single unified action. By designing the operating sleeve to perform both functions simultaneously, the installation time is reduced while the secure attachment is maintained through the integrated mechanism that completes both tasks in one motion sequence.
Solution Approach 2:
The design allows the operating sleeve to rapidly transition through the space-creation phase and directly into the insertion phase without pausing or requiring a separate operation. This continuous motion approach skips the intermediate pause that would otherwise be needed between the two steps, thereby improving installation efficiency while ensuring secure attachment is achieved.
3Productivity
If a simple insertion mechanism is used, then the installation process becomes fast and efficient, but the mounting shaft may not be securely locked in place
Solution Approach 1:
The mounting shaft is designed with self-locking features that automatically engage with the main shaft during the insertion process. As the mounting shaft is inserted into the main shaft, its own movement triggers the locking mechanism, eliminating the need for a separate locking operation while ensuring secure retention. The insertion action itself performs the securing function.
Solution Approach 2:
The locking mechanism is pre-positioned and configured so that the insertion motion of the mounting shaft automatically activates the locking action at the appropriate moment. The geometric relationship between the mounting shaft features and the main shaft locking structures ensures that secure locking is achieved as a natural consequence of the insertion motion, without requiring additional steps.
Data Source
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AI summary
The present application discloses a polishing machine, including: a housing, a motor, a main shaft, a mounting shaft, a limiting member, and a locking mechanism. The main shaft is drivably connected to a motor shaft of the motor, and the main shaft is rotatable relative to the housing around a first axis. The mounting shaft is detachably connected to the main shaft. Movement of the mounting shaft drives the locking mechanism, such that the locking mechanism allows the limiting member to move to limit movement of the mounting shaft in a direction of the first axis. The polishing machine, through providing the locking mechanism, enables a user to complete connection and locking of the mounting shaft and the main shaft through one operation, simplifies operation steps for installing a working head, and improves an efficiency of replacing the working head.