Conveyor Sub Unit Lifting Mechanism for Accurate Transfer
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Solution Overview
Problem
Conveyor devices with a sub conveying passage often cause articles to be caught by the main conveying passage when conveying from a higher-level to a lower-level conveyor line, leading to inaccurate conveyance due to the single shaft rotation and axial support of the sub conveying passage.
Innovation Solution
A conveying device with a lifting and lowering unit that changes the attitude of the sub conveying passage to be above the main conveying passage, allowing the sub conveying surface to be inclined and reducing the relative angle with the connection line, preventing articles from being caught by the main conveying surface.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If the sub conveying passage is axially supported with a single shaft rotation, then the device complexity is reduced, but the conveying precision deteriorates causing articles to be caught by the main conveying passage
Solution Approach 1:
The sub conveying passage is designed to be movable relative to the main conveying passage, allowing it to dynamically adjust its position between a lowered state (avoiding contact with main conveying surface) and a raised state (enabling article transfer). This dynamic positioning resolves the contradiction by allowing the simple single-shaft rotation structure to achieve precise conveying control through temporal separation of the two conflicting requirements.
2Device complexity
If the sub conveying passage is located below the main conveying passage, then the device complexity is reduced, but the reliability deteriorates as articles may contact the main conveying surface causing inaccurate conveyance
Solution Approach 1:
The sub conveying passage transitions from a static below-position to a dynamic movable structure that can be raised above the main conveying passage during article transfer operations. This dynamic adjustment ensures reliable conveyance by preventing unwanted contact between articles and the main conveying surface, while maintaining structural simplicity through the use of the existing single shaft rotation mechanism.
3Manufacturing precision
If the conveying surface of the sub conveying passage is inclined, then the conveying precision is improved for transfer to connection line, but the device complexity increases due to additional lifting and lowering mechanisms
Solution Approach 1:
The single shaft rotation mechanism serves multiple functions: it provides the lifting and lowering motion of the sub conveying passage, and simultaneously creates the inclined conveying surface angle needed for precise article transfer to the connection line. This multi-functionality resolves the contradiction by achieving precise transfer positioning without requiring separate dedicated mechanisms for each function.
Data Source
AI summary
A conveying device has: a main conveyor unit; a sub conveyor unit; and a lifting and lowering unit that lifts and lowers at least one of the main conveyor unit and the sub conveyor unit, wherein the main conveyor unit has a main conveying passage disposed in a fixed region, the main conveying passage conveying a conveyance object, wherein the sub conveyor unit has a sub conveying passage disposed in the fixed region, the sub conveying passage conveying the conveyance object in an intersecting direction with respect to a conveying direction of the main conveying passage, wherein a conveyance attitude is capable of being changed between a main conveyance attitude in which a conveying surface of the sub conveying passage is located below a conveying surface of the main conveying passage, and a sub conveyance attitude in which both ends in the intersecting direction of the conveying surface of the sub conveying passage are located above the conveying surface of the main conveying passage, and in the sub conveyance attitude, the conveying surface of the sub conveying passage is inclined in a height direction.