Pneumatic-Hydraulic Rivet Gun Disc Flange Conduit Design
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Solution Overview
Problem
Existing pneumatic-hydraulic rivet guns face challenges in achieving a compact, ergonomic, and aesthetically pleasing design while maintaining functional efficiency, due to complex internal components and conduits that increase production costs and the risk of defects from intricate mechanical working and assembly processes.
Innovation Solution
A pneumatic-hydraulic rivet gun design featuring a disc flange with integrated conduits and housings, made from a single block of high-density material, simplifies mechanical working and assembly, reducing production costs and the likelihood of defects, while ensuring efficient air passage and ergonomic handling.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If complex internal components and conduits are integrated into the upper body and grip using traditional manufacturing processes, then functional requirements are met, but production costs increase and the risk of defects increases
Solution Approach 1:
The device is divided into separate modular components: the upper body assembly, the grip assembly, and the cylindrical container assembly. Each module can be manufactured independently using standard processes, then assembled together. This segmentation reduces the complexity of individual manufacturing operations while maintaining overall functional integration.
Solution Approach 2:
The design nests the cylindrical container within the grip structure, and integrates the upper body components within the overall housing. This nested arrangement allows multiple functional components to be housed efficiently without requiring excessive space or complex external configurations, reducing the overall footprint while maintaining functionality.
2Adaptability or versatility
If multiple housings and connecting conduits are present in the upper body and grip, then functional connections are achieved, but the number of mountings and dismountings increases production time
Solution Approach 1:
Multiple functional components are merged into integrated assemblies. The upper body integrates the motor-tie rod group and auxiliary valve housing. The grip integrates the oil-dynamic system and main valve. This merging reduces the number of separate parts that need to be mounted and dismounted during production while maintaining all necessary functional connections.
Solution Approach 2:
The upper body and grip assemblies are designed as multi-functional modules that perform multiple functions simultaneously. The upper body houses both the motor-tie rod group for mechanical operation and the auxiliary valve for pneumatic control. The grip contains both the oil-dynamic system for hydraulic function and the main valve for pneumatic activation. This multi-functionality reduces the overall number of components and assembly operations required.
3Ease of manufacture
If the cylindrical container is made using press-moulding or traditional techniques, then it can be produced, but the overall shape complexity compromises ergonomics and compactness
Solution Approach 1:
The container is designed as a separate, removable cylindrical module that can be manufactured using optimized press-moulding techniques. This segmentation allows the container to have its own simplified geometry suitable for efficient manufacturing, while the overall gun shape is determined by the separate upper body and grip assemblies, enabling ergonomic design without compromising manufacturing ease.
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 design results in a more efficient, compact, and reliable rivet gun with reduced production costs, improved assembly and maintenance times, and enhanced functional efficiency, along with a pleasant appearance.
Implementation Method 1
a pneumatic force amplifier activating a piston for compressing the fluid in the oil-dynamic system
Implementation Method 2
a hydro-pneumatic exchange valve, connected to the oil-dynamic and pneumatic systems, which detects a predetermined fluid pressure in the oil-dynamic system
Data Source
Figure 1
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AI summary
The rivet gun (100) comprises a disc flange (300) removably interposed between a lower end of a grip (102) and an underlying cylindrical container (200). The flange (300) comprises: a first, second and a third housing (310, 320, 330) for relative operating organs of the gun (100); an axial through-hole (350) for passage of a corresponding operating organ between the container (200) and the grip (102); a series of channels (41, 64, 65, 66, 67) defining a part of pneumatic and oil- dynamic connecting conduits, placed in communication with the operating organs housed in the flange (300) and with the remaining part of the conduits, made in the overlying grip (102) and the underlying container (200).