Diaphragm Transfer Structure for Protrusion-Safe Suction Alignment
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Solution Overview
Problem
Conventional diaphragm transfer devices experience suction failures when trying to transfer diaphragms with protrusions perpendicular to the surface, due to deformation and misalignment issues during the suction process, leading to inefficient diaphragm placement and assembly in liquid-filled vibration isolation mounts.
Innovation Solution
A diaphragm transfer device with a placing table featuring an annular pedestal and recesses that accommodate the protrusion, allowing the suction pad to easily fit along the diaphragm surface, reducing deformation and improving suction efficiency by preventing contact with the placing table and maintaining a non-sealed space for easy lifting.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the suction pad presses the diaphragm downward during suction, then the diaphragm is transferred, but the protrusion contacts the placing table causing deformation and suction failure
Solution Approach 1:
The placing table is segmented into a pedestal and a recess, creating distinct functional zones. The recess accommodates the protrusion while the pedestal supports the diaphragm body, preventing deformation during suction and enabling reliable transfer.
2Ease of manufacture
If the placement surface is planar, then the diaphragm can be placed easily, but the sucked portion deforms and inclines downward during suction
Solution Approach 1:
The placing table has different local structures: a planar placement surface for easy diaphragm placement, a recess to accommodate the protrusion, and a pedestal to support the diaphragm body. This local differentiation maintains diaphragm flatness while preserving placement simplicity.
3Force
If the suction surface is pressed against the sucked portion, then suction force is applied, but the suction surface does not fit along the diaphragm causing suction failure
Solution Approach 1:
The recess and pedestal structure preliminarily positions the diaphragm in the correct orientation before suction. The protrusion is pre-positioned in the recess and the diaphragm body is pre-positioned on the pedestal, ensuring the suction surface aligns properly when suction force is applied.
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
Enhances the diaphragm sucking property by minimizing deformation and ensuring proper alignment, leading to improved suction and transfer efficiency during the assembly of liquid-filled vibration isolation mounts.
Implementation Method 1
a suction pad that sucks the diaphragm placed on the placing table, from above on an outer circumferential side of the protrusion
Data Source
AI summary
A diaphragm transfer device sucks and transfers a diaphragm that includes a first protrusion protruding in a direction perpendicular to the surface of the diaphragm. The diaphragm transfer device is provided with: a placing table on which the diaphragm is placed in such an orientation that the first protrusion faces downward; and a suction pad that sucks the diaphragm, placed on the placing table, from above on the outer circumferential side of the protrusion. The placing table includes an annular pedestal facing an outer-circumferential-side thick portion of the diaphragm, the thick portion being sucked by the suction pad, and a second recess recessed downward on the inner diameter side of the pedestal. The whole first protrusion of the diaphragm is located inside the second recess in a top view.