Conveyance Base Escape Portion for Work Corner Defect Prevention
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Solution Overview
Problem
Conveyance apparatuses face defects such as flaws and chipping when corner portions of works enter hole portions on the conveyance surface of a base, due to the difficulty in sizing the hole openings relative to the work width and the occurrence of inclination issues, leading to biting into the hole portions.
Innovation Solution
A conveyance apparatus with a base featuring a hole portion and an escape portion, where the escape portion has move-out regions with gradually decreasing depth or width to allow corner portions to exit smoothly, connected to the hole portion to prevent interference and control the work's posture, thereby preventing defects.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the hole portion size is made smaller to reduce the probability of work defects, then the suction force is insufficient, but if the hole portion size is made larger to maintain suction force, then the corner portion of the work bites into the hole portion causing defects
Solution Approach 1:
The hole portion is divided into two separate structures: a suction hole and an escape portion. The suction hole maintains sufficient size for vacuum suction, while the escape portion provides a gradual exit path for the work corner portion. This segmentation allows each part to fulfill its specific function without compromising the other.
Solution Approach 2:
The escape portion acts as an intermediary structure between the suction hole and the work corner portion. It provides a transition zone that allows the corner portion to exit smoothly without directly interfering with the suction hole's vacuum function, thus mediating between suction requirements and defect prevention.
2Object-affected harmful factors
If the hole portion opening is made smaller than the work width to prevent corner entry, then the probability of defect occurrence is reduced, but the suction force becomes insufficient
Solution Approach 1:
The hole structure is segmented into a suction hole with larger opening for maintaining suction force and an escape portion with controlled dimensions for preventing corner entry. This allows the suction hole to maintain sufficient opening size while the escape portion provides the necessary constraint on work corner movement.
Solution Approach 2:
Different parts of the hole structure have different local qualities: the suction hole has a larger opening for vacuum suction, while the escape portion has specific dimensional constraints to control corner portion movement. This local differentiation allows each region to optimize for its specific function.
3Productivity
If the corner portion enters the hole portion during conveyance, then the work is conveyed without problem in the X direction, but the corner portion bites into the hole portion causing flaws and chipping
Solution Approach 1:
The escape portion converts the potentially harmful entry of the corner portion into a beneficial controlled movement. Instead of the corner portion directly entering and damaging the suction hole, it is guided through the escape portion which provides a controlled exit path, transforming a harmful interaction into a controlled process.
Solution Approach 2:
The escape portion is designed in advance to provide a predetermined path for the corner portion. By preparing this exit path beforehand, the system prevents the corner portion from randomly entering and damaging the suction hole, thus preventing defects before they occur.
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 solution effectively suppresses the occurrence of defects by allowing corner portions to exit the escape portion, preventing biting into the hole portion and maintaining the work's integrity.
Implementation Method 1
an escape portion formed in the base in a direction that the escape portion is indented from the conveyance surface so as to allow the corner portion of the work to enter the escape portion
Implementation Method 2
when the hole portion is connected to a vacuum source
Data Source
AI summary
A conveyance apparatus which can suppress the occurrence of a defect on a work caused due to the entrance of a corner portion of the work into a hole portion formed on a conveyance surface of a base.