Automatic ejection device and system
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Solution Overview
Problem
Existing sliding table spring blocks are prone to failure due to abusive loads, particularly from unwanted impacts that cause over-compression and mechanical stress.
Innovation Solution
A system comprising a body with spring channels and rails, a plunger with a rail guide channel, and external reinforcing pads to prevent over-compression and misalignment, ensuring accurate linear travel and distributing loads, while a removable lid facilitates serviceability and noise reduction.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If existing sliding table spring blocks are used, then the device can provide spring compression and decompression functionality, but the spring blocks are subject to unwanted impact causing failure under abusive loads
Solution Approach 1:
The patent applies beforehand cushioning by providing a cushioning element positioned between the plunger and the spring block. This cushioning element absorbs unwanted impacts and prevents direct transmission of abusive loads to the spring block, thereby protecting it from damage while maintaining the spring compression functionality.
Solution Approach 2:
The cushioning element serves as an intermediary between the plunger and the spring block. It mediates the interaction by absorbing impact energy and preventing direct harmful contact, allowing the spring block to function reliably under abusive loading conditions without suffering impact damage.
2Reliability
If the spring block is designed to handle abusive loads, then reliability improves, but the device complexity increases
Solution Approach 1:
The patent applies segmentation by dividing the device into distinct functional components: the spring block, the plunger, and the separate cushioning element. This segmentation allows each component to be optimized for its specific function while simplifying the overall design - the cushioning element handles impact absorption without requiring the spring block itself to be over-engineered for abusive loads.
3Strength
If the spring block structure is reinforced to prevent failure, then strength improves, but the ease of manufacture decreases
Solution Approach 1:
By introducing the cushioning element as an intermediary, the spring block can be manufactured with standard, simple geometry without requiring reinforcement features. The cushioning element absorbs the abusive loads that would otherwise require the spring block to be over-engineered, maintaining ease of manufacture while ensuring sufficient strength through the combined system.
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 solution effectively prevents damage to the spring block and plunger by limiting compression, reducing noise, and simplifying maintenance, thereby enhancing the durability and operational reliability of the sliding table spring blocks.
Implementation Method 1
Each of the springs may be implemented in one of the spring channels and may be configured to compress and decompress within one of the spring channels
Data Source
AI summary
A device may include a body, springs, and a plunger. The body may include a back wall and a front wall. The body may have a cavity forming spring channels and at least one rail. The front wall may have an aperture extending into the cavity. Each spring may be implemented in one of the spring channels. The plunger may include a plunger head and a plunger rod extending from the plunger head and through the aperture. The plunger head may be configured to engage the springs. The plunger head may have at least one rail guide channel, each configured to accommodate one rail. When a compressive force is applied to the plunger rod, the plunger head compresses the springs as the plunger head travels in a first direction within the cavity. When the compressive force is reduced, the plunger head travels in a second direction opposite the first direction.