Pneumatic Clamping Device Linkage Mechanism
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Solution Overview
Problem
Conventional clamping technologies, such as robotic claws and vacuum suction nozzles, require complex structures and precise control for effective clamping, which is not efficiently addressed in existing production line processes.
Innovation Solution
A pneumatic clamping device with a simple structure, comprising a main body, piston, and linkage members, that uses air introduction and exit to expand and retract claws for clamping, allowing seamless integration with existing gas transportation pipelines without altering production line instructions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If vacuum suction nozzles and mechanical claws are used simultaneously to perform clamping tasks, then the clamping capability is improved, but the device complexity increases
Solution Approach 1:
The patent combines the functions of vacuum suction nozzles and mechanical claws into a single integrated pneumatic clamping device. The device uses a piston-driven mechanism with linkage members that simultaneously provide both the suction function and the mechanical clamping action, eliminating the need for separate components and reducing overall system complexity.
Solution Approach 2:
The pneumatic clamping device is designed to perform multiple functions through a single mechanism. The same piston and linkage system that provides mechanical clamping also controls the expansion and retraction of the claws, which can simultaneously engage with objects using both mechanical contact and vacuum suction, making the device versatile and reducing the number of components needed.
2Reliability
If vacuum suction nozzles and mechanical claws are used simultaneously, then the clamping task completion is improved, but the control precision requirement increases
Solution Approach 1:
By merging the control of mechanical claws and vacuum suction into a single pneumatic system, the patent reduces the number of independent control loops. The piston position directly controls both the mechanical linkage and the claw expansion, simplifying the control architecture and reducing the precision requirements for coordinating multiple independent systems.
3Reliability
If conventional robotic claws are used for clamping, then the clamping function is achieved, but the device complexity increases
Solution Approach 1:
The patent replaces complex mechanical robotic claw mechanisms with a pneumatic system. A piston driven by air pressure controls the expansion and retraction of claws through linkage members, eliminating the need for complex motors, gears, and control systems typically found in robotic claws, thereby significantly reducing device complexity while maintaining clamping functionality.
4Device complexity
If a simple pneumatic clamping device is used, then the device complexity is reduced, but the integration with existing gas transportation pipelines requires process changes
Solution Approach 1:
The pneumatic clamping device is designed with universal adaptability to existing gas transportation pipelines. By using standard pneumatic connections and operating principles that are compatible with existing infrastructure, the device can be integrated without requiring significant process changes, making it versatile for different production line configurations.
Data Source
AI summary
A pneumatic clamping device includes a main body, a piston, a first linkage member and a second linkage member. The main body includes a chamber. The piston includes a pillar part. The first linkage member includes a first arm part and a second arm part. The second linkage member includes a third arm part and a fourth arm part. When the air is introduced into the chamber, the pillar part is gradually moved to push the first arm part and the third arm part, so that the second arm part is externally expanded relative to the fourth arm part. When the air is exited from the chamber, the pillar part is gradually moved to pull back the first arm part and the third arm part, so that the second arm part is internally retracted relative to the fourth arm part.