Ejector Suction Apparatus Simplified Assembly
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Solution Overview
Problem
Conventional vacuum suction apparatuses have complex structures, making maintenance and component exchange difficult, and result in unstable workpiece positioning due to heavy components and complex assembly.
Innovation Solution
A suction apparatus with an ejector featuring a suction pad, adapter plate, lock plate, and retaining stud, allowing for simplified assembly and maintenance by easily exchanging the suction pad and components, reducing weight and improving workpiece positioning accuracy.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional vacuum suction apparatus uses complex assembly with multiple components (vacuum generating device, ball joint, valve body, pilot valve, flexible diaphragm, valve cover), then the apparatus can maintain vacuum function, but the structure becomes complex and maintenance becomes troublesome
Solution Approach 1:
The invention divides the conventional complex assembly into distinct functional modules: a simplified valve body, a separate ejector assembly with ejector nozzle and diffuser, and a suction pad assembly. This segmentation allows each component to be independently maintained or replaced without affecting the entire system, reducing maintenance complexity while preserving vacuum functionality.
Solution Approach 2:
The invention extracts and separates the ejector functionality from the traditional valve assembly, creating an independent ejector assembly that can be operated separately. This extraction eliminates the need for complex integrated mechanisms like ball joints and pilot valves, simplifying the overall structure while maintaining the vacuum generating capability.
2Strength
If heavy components (suction cup collar, vacuum body, valve body, pilot valve, valve cover) are assembled aggregated on the top portion, then the apparatus can maintain structural integrity, but the top portion becomes unstable with heavy objects
Solution Approach 1:
The invention segments the heavy components into separate assemblies: the valve body is separated from the ejector assembly, and both are mounted on different portions of the suction pad. This distribution eliminates the aggregation of heavy objects at the top portion, improving stability while maintaining structural integrity through proper mounting locations.
Solution Approach 2:
The invention redistributes components across different spatial dimensions of the suction pad structure, mounting the valve body on one portion and the ejector assembly on another portion. This dimensional distribution replaces the vertical aggregation of heavy components, improving stability without compromising structural strength.
3Reliability
If complex valve assembly with multiple components is used, then vacuum function is maintained, but workpiece positioning accuracy deteriorates due to unstable posture
Solution Approach 1:
The invention segments the system into independently mounted assemblies (valve body, ejector assembly, suction pad) that can be optimally positioned. This segmentation allows each component to be located in its optimal position for both vacuum generation and workpiece handling, improving positioning accuracy while maintaining vacuum functionality.
Solution Approach 2:
The invention positions different functional components in different spatial dimensions: the valve body is mounted on one portion of the suction pad while the ejector assembly is mounted on another portion. This dimensional arrangement optimizes both vacuum performance and workpiece positioning stability, eliminating the instability caused by aggregated heavy components.
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 simplified structure facilitates easier maintenance and improved workpiece positioning accuracy, with reduced weight and enhanced transfer efficiency.
Implementation Method 1
Compressed fluid, which is supplied to the main body, creates a negative pressure state in the interior of the suction pad that is in contact with a workpiece to thereby retain the workpiece
Implementation Method 2
a fluid jet is blown out from the ejector nozzle, whereupon the workpiece is blown out from under the suction pad by the fluid jet
Implementation Method 3
a low-pressure zone is formed in a vicinity of the ejector diffuser, whereupon the workpiece is blown out from under the suction pad by the fluid jet
Data Source
AI summary
A retaining stud is inserted from a bottom portion of a suction pad that constitutes part of an ejector equipped suction apparatus, and an end of the retaining stud is inserted into an adapter plate. Further, a small diameter portion of a lock plate engages with a lock plate groove, which is exposed externally on the retaining stud, whereby the retaining stud and the lock plate are connected together integrally. In addition, an ejector is fixed using a side wall portion of the adapter plate. A mounting bracket is attached to the adapter plate while covering the lock plate, and a transfer means such as a robot arm or the like is fixed to the mounting bracket using a bolt.