Curved Guide for Ignition Device in Explosive Forming
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Solution Overview
Problem
The arrangement of ignition mechanisms and forming dies in explosive forming processes is challenging due to limited space and varying connections, making it difficult to handle and align effectively with explosion forces.
Innovation Solution
An ignition device with a curved guide between the ignition mechanism and forming die allows for adjustable orientation and efficient propagation of explosions, using materials like steel and copper-beryllium for stability and a constant cross-section to minimize energy loss, potentially featuring a two-part form or integral design.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of energy
If a straight guide is used between ignition mechanism and forming die, then the alignment is simple, but the explosion energy loss is high due to inability to accommodate angular orientations
Solution Approach 1:
The patent applies a curved guide instead of a straight guide to accommodate the angular orientation between the ignition device axis and the die-parting plane. The curvature allows the explosion to propagate through the guide at an angle, reducing energy loss while maintaining structural integrity. This directly addresses the technical contradiction by accepting increased structural complexity to minimize energy loss.
2Force
If the ignition device axis is oriented vertically, then the explosion force is maximized, but the alignment with the horizontal die-parting plane is problematic due to limited space
Solution Approach 1:
The curved guide acts as an intermediary element that transfers the vertically oriented explosion force from the ignition device to the horizontally oriented forming die. It mediates between the two different orientations, allowing the ignition device to maintain its optimal vertical alignment while still effectively driving the forming process in the horizontal die.
3Reliability
If additional components like rising pipes are added, then the gas mixture can be properly filled, but the device complexity and gas consumption increase
Solution Approach 1:
The curved guide is designed to serve multiple functions: it guides the explosion propagation, accommodates angular orientations, and simultaneously acts as the rising pipe for gas mixture filling. By integrating these functions into a single component, the patent reduces device complexity and minimizes the number of separate parts required.
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
This configuration simplifies the handling and alignment of the ignition device and forming die, ensures efficient energy transfer, and reduces the need for additional components by allowing the curved guide to function as a rising pipe, enhancing the shaping process while minimizing gas usage and preventing work piece burning.
Implementation Method 1
A gas mixture is ignited in the interior of the work piece by an ignition device and the propagating explosion imparts a final shape to the work piece
Implementation Method 2
An ignition device (1) has an ignition space (21), in which an ignition mechanism (5) is arranged. An ignition tube (2) is connected to the ignition space (21) and faces the forming die (4)
Implementation Method 3
A curved guide (3) is provided between the ignition mechanism (5) and the forming die (4). The curved guide (3) is configured, so that it creates a seamless transition to each, the ignition tube (2) and the cavity (24) of forming die (4)
Data Source
AI summary
Through the invention, an ignition device for explosive forming of work pieces in a forming die, which has an ignition mechanism and an ignition tube, and in which the ignition tube guides the explosion ignited by the ignition mechanism into the work piece inserted in the forming die, is to be improved, in that it permits, in practice, an arrangement of the ignition mechanism and forming die that is easier to handle and geared toward the occurring explosion forces. This task is solved by an ignition device, in which a curved guide is provided between the ignition mechanism and the forming die.