Angle-Rotatable Needle Fixture for Flexible Object Clamping
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Solution Overview
Problem
Conventional fixtures for handling flexible plastic or rubber objects, such as clamps and vacuum suction cups, are laborious, costly, and inefficient, making them unsuitable for automated injection molding processes.
Innovation Solution
An angle-rotatable fixture device comprising multiple piston elements, needle elements, air valves, and a resilient support system that allows for easy adjustment and effective piercing of flexible objects using air pressure, reducing the complexity and cost of clamping.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If clamps are used to clamp flexible plastic or rubber objects, then the clamping function is achieved, but the operation becomes time-consuming and laborious
Solution Approach 1:
The patent replaces manual mechanical clamping operations with an automated pneumatic system. Air pressure is used to drive piston elements that automatically engage and disengage needle elements, eliminating the need for manual clamp operation and significantly reducing operation time while maintaining reliable clamping of flexible objects
Solution Approach 2:
The invention employs a pneumatic system with air chambers, piston elements, and air valves to automate the clamping process. Compressed air drives the piston elements to move needle elements into and out of the flexible object, providing automated, consistent, and rapid clamping action that eliminates manual labor and reduces operation time
2Reliability
If vacuum suction cups are used for handling flexible objects, then the clamping function is achieved, but the structure becomes complicated and cost increases
Solution Approach 1:
The clamping device is divided into modular components: a body with air chambers, multiple independent piston elements, needle elements, and air valves. Each component performs a specific function and can be independently manufactured and assembled, simplifying the overall structure while maintaining effective clamping capability
Solution Approach 2:
The invention uses a pneumatic system with air chambers and piston elements to create a simpler alternative to complex vacuum suction cup systems. The pneumatic mechanism provides direct mechanical force for clamping without requiring complex vacuum generation and sealing systems, reducing structural complexity and cost
3Reliability
If conventional clamps are used to clamp flexible objects, then the clamping function is achieved, but the flexible objects are easily pinched
Solution Approach 1:
The patent replaces manual clamp mechanisms with a controlled pneumatic system that uses air pressure to actuate piston elements. This provides more precise and uniform force distribution on the flexible object, preventing localized pinching damage while maintaining effective clamping
Solution Approach 2:
The invention allows for controlled adjustment of air pressure parameters to optimize the clamping force. By regulating the air pressure supplied to the piston elements, the system can apply sufficient force for secure clamping while avoiding excessive force that would cause pinching damage to the flexible object
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 device provides a simplified, cost-effective, and efficient clamping mechanism that allows for easy operation and effective piercing of flexible objects, enhancing the automation of injection molding processes.
Implementation Method 1
the airs are guided and pressurized into the respective one air chamber from the air feeding tube of a top air valve, such that the respective one piston element is pushed downward
Implementation Method 2
the airs are guided and pressurized into the respective one air chamber from a bottom air valve to push the respective one piston element backward
Data Source
AI summary
An angle-adjustable fixture device for needles contains: a body, multiple piston elements, multiple needle elements, multiple air valves, a fixing element, a rotatable element, a positioning element, a resilient element, and a support element. The body includes multiple air chambers, inner threads, and two air orifices. The respective one piston element includes a large-diameter disc and a small-diameter column, and the small-diameter column has two receiving orifices. A respective one needle element includes a tip. A respective one air valve includes an air feeding tube for pressurizing airs into the respective one air chamber. The fixing element includes a non-circular orifice. The rotatable element includes an opening and multiple cutouts. The support element includes multiple second spot-faced holes. The positioning element includes a shank, a coupling face, multiple stems, and an accommodation notch. The support element includes a trench corresponding to the accommodation notch and accommodates the resilient element.