Automatic Cleaner for Pressing Device Crumb Removal
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Solution Overview
Problem
In pressing devices, crumbs accumulate between the press member and the workpiece due to inadequate cleaning, leading to issues like the workpiece being lifted improperly, which hinders the sequential operation of the device.
Innovation Solution
An automatic cleaner is integrated with a pressing device, featuring a separating structure and a cleaning member driven by a mechanism that moves relative to the pressing unit, allowing for regular cleaning of the press member and separation of the workpiece, utilizing a spring expansion and contraction mechanism and a brush to remove crumbs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the press member is not cleaned at regular time intervals, then the pressing operation can be performed continuously, but crumbs accumulate between the press member and workpiece causing workpiece lifting and operational hindrance
Solution Approach 1:
The cleaning member performs cleaning action in advance before crumbs accumulate to problematic levels. The separating structure proactively separates the workpiece from the press member after pressing, preventing crumb adhesion before it causes lifting issues. This preliminary action ensures reliable workpiece positioning in subsequent operations without interrupting the pressing cycle.
Solution Approach 2:
The cleaning mechanism is self-actuating through the spring expansion and contraction mechanism that automatically engages the cleaning member with the press member surface. The system serves itself by using the reciprocating motion of the press member to drive the cleaning action, eliminating the need for external control systems while maintaining continuous productivity.
2Reliability
If a cleaning mechanism is added to the pressing device, then the press member can be cleaned regularly, but the device complexity increases
Solution Approach 1:
The cleaning mechanism is merged with the existing press member reciprocating structure. The cleaning member is integrated into the press member assembly, and the spring expansion and contraction mechanism utilizes the same motion path as the pressing operation. This merging eliminates separate drive systems and reduces overall device complexity while ensuring regular cleaning.
Solution Approach 2:
The spring expansion and contraction mechanism serves multiple functions: it drives the separating structure to release workpieces, actuates the cleaning member to clean the press member surface, and maintains positioning during both pressing and cleaning phases. This multi-functionality reduces the number of separate components needed, simplifying the overall device structure.
3Reliability
If the separating structure and cleaning member are moved back and forth relative to the pressing unit, then the workpiece can be separated and the press member cleaned, but the drive mechanism complexity increases
Solution Approach 1:
The drive mechanism uses dynamic spring expansion and contraction to move the separating structure and cleaning member. The spring mechanism provides automatic motion control through elastic deformation, eliminating the need for complex motorized position control systems. The dynamic response of the spring automatically adjusts to the reciprocating press member motion, simplifying the drive mechanism while maintaining effective separation and cleaning.
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
The automatic cleaner effectively separates the workpiece from the press member and cleans the press bit, ensuring reliable operation by preventing crumbs from interfering with the pressing process, thus maintaining the device's efficiency.
Implementation Method 1
utilizing a spring expansion and contraction mechanism and a brush to remove crumbs
Implementation Method 2
a cleaning member; and a drive mechanism configured to move the separating structure and the cleaning member back and forth, relative to the pressing unit
Data Source
AI summary
An automatic cleaner for a pressing device has a pressing unit that can reciprocate between a pressing position and an apart position. The automatic cleaner includes a separating structure configured to separate a workpiece from the pressing unit; a cleaning member; and a drive mechanism configured to move the separating structure and the cleaning member back and forth, in accordance with movement of the pressing unit. The drive mechanism is configured to make the separating structure drop the workpiece, after being worked, from the pressing unit, and to make the cleaning member clean the pressing unit, in accordance with the movement of the pressing unit.