Transfer Device Arm Hook Positioning for Article Safety
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing transfer devices for articles on shelves face inefficiencies and risks of breakage and positional deviation during transfer, particularly when multiple articles are handled simultaneously.
Innovation Solution
A transfer device with a retractable arm equipped with multiple hooks and a controller that manages the hooks' positions to prevent contact between the hooks and articles, allowing for simultaneous transfer of two articles while ensuring safe and efficient handling by spacing hooks away from unloaded articles.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If multiple hooks are used to simultaneously transfer multiple articles, then productivity is improved, but the risk of article breakage and positional deviation increases due to potential hook contact with articles
Solution Approach 1:
The arm is configured to be movable between a work position and a retract position. The controller dynamically adjusts the arm position based on the transfer phase: during loading/unloading operations, the arm is positioned to enable hook contact with articles; after unloading, the arm is retracted to prevent hook contact with unloaded articles. This dynamic positioning allows simultaneous multi-article transfer while preventing breakage and positional deviation.
2Reliability
If the arm is retracted after unloading articles, then article breakage is prevented, but the transfer operation time increases
Solution Approach 1:
While the arm is retracted after unloading to prevent article contact, the system maintains readiness for the next transfer operation. The controller automatically manages the arm movement between retract and work positions, ensuring continuous transfer operations without manual intervention. The retraction occurs immediately after unloading completion, minimizing idle time while ensuring article safety.
3Productivity
If hooks abut articles during transfer, then transfer force is applied, but positional deviation and breakage occur
Solution Approach 1:
The system dynamically controls hook-article contact based on the transfer phase. During the loading/unloading phase, hooks are positioned to abut articles and apply necessary transfer force. After unloading, the arm is retracted to remove hook contact, preventing positional deviation and breakage. This dynamic control ensures both effective transfer and position accuracy.
Solution Approach 2:
The controller manages the arm and hook positioning based on the transfer operation state. The system monitors the transfer phase (loading, unloading, or idle) and automatically adjusts arm position accordingly, ensuring hooks contact articles only when necessary for transfer operations, thereby preventing positional deviation and breakage during and after transfer.
Data Source
AI summary
A transfer device includes an arm and a controller. The arm includes a first hook capable of entering and exiting a first abutment position, a second hook capable of entering and exiting a second abutment position, and a third hook capable of entering and exiting a third abutment position. After the articles placed on the first and second placement areas are unloaded onto the shelf, the controller retracts the arm so that the second hook is spaced apart from the front end of the article unloaded from the first placement area and the rear end of the article unloaded from the second placement area, and removes the second hook from the second abutment position with the second hook being spaced apart from the front end of the article unloaded from the first placement area and from the rear end of the article unloaded from the second placement area.