Vacuum Suction System with Pressure Stabilization
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Conventional vacuum suction systems experience high variability in vacuum levels due to leakage between work receiving openings and suction channels, leading to inefficient loading and discharge of works, as well as increased friction and conveyor table impairment.
Innovation Solution
A vacuum suction system with a vacuum leak generation part, a vacuum generation mechanism, and a vacuum level adjustment mechanism, utilizing a negative pressure sensor and compressed air control to stabilize vacuum levels by adjusting air flow based on detected pressure thresholds.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the vacuum suction channels are connected directly to the work receiving openings with low flow channel resistance, then the vacuum level drops significantly when openings are not loaded, but this causes the maximum vacuum level to become extremely high
Solution Approach 1:
A flow resistance generating means is introduced as an intermediary element between the vacuum suction channels and the work receiving openings. This mediator creates controlled flow resistance that prevents excessive vacuum level drops when openings are not loaded, while still allowing reliable work loading when needed.
Solution Approach 2:
The flow resistance parameter in the vacuum system is actively adjusted using the flow resistance generating means. By changing the resistance parameter dynamically, the system maintains appropriate vacuum levels under different operating conditions (loaded vs. unloaded openings) without requiring extremely high maximum vacuum levels.
2Reliability
If the suction power on the works increases to maintain minimum vacuum level, then the loading becomes more reliable, but the friction between work and table base increases and conveyor table rotation is impeded
Solution Approach 1:
The flow resistance generating means acts as a mediator that decouples the relationship between suction power and loading reliability. By introducing controlled resistance, the system achieves reliable loading at moderate suction levels rather than requiring high suction power, thereby reducing friction forces.
Solution Approach 2:
The system changes the flow resistance parameter to optimize the balance between suction power and loading reliability. This parameter adjustment allows the system to maintain effective work loading while operating at lower suction power levels, reducing the friction between works and the table base.
3Reliability
If high suction power is applied to ensure works are loaded securely, then loading is more reliable, but the conveyor table and table base are sucked together impeding rotation
Solution Approach 1:
The flow resistance generating means serves as an intermediary that prevents excessive suction forces from acting on the conveyor table assembly. By controlling the vacuum level through resistance management, the system avoids the harmful effect of the table base and conveyor table being sucked together, maintaining rotation speed.
Solution Approach 2:
The flow resistance parameter is adjusted to control the vacuum level within appropriate ranges. This prevents the suction force from becoming high enough to cause the conveyor table and table base to adhere, thereby maintaining the rotational speed and preventing impairment.
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 solution ensures stable loading, conveying, and discharge of works by maintaining optimal vacuum levels, reducing friction and preventing conveyor table impairment.
Implementation Method 1
The vacuum generation source 17 creates a state of negative pressure in the vacuum suction channels 30, and as a result the work receiving openings 5 connected to the vacuum suction channels 30 are negatively pressurized. Works W that are placed on the conveyor table 2 or in contact with the conveyor table 2 are loaded into the work receiving openings 5 due to the negative pressure of the work receiving openings 5.
Implementation Method 2
As shown in FIG. 5, a jet nozzle 11 is disposed on the work discharge part and penetrates through the table base 3 and the base 4. The jet nozzle 11 connects to a compressed air controlling means (not shown) via a compressed air pipe 12.
Data Source
AI summary
A vacuum suction system comprises a work conveyor table 2 having work receiving openings 5, and a table base 3 having vacuum suction channels 7 which communicate with the work receiving openings 5 of the conveyor table 2. The work receiving openings 5 and the vacuum suction channels 7 communicate with a vacuum generation source 17 via a vacuum pipe 9. A negative pressure sensor 10 is disposed on the vacuum pipe 9. Based on a signal from the negative pressure sensor 10, a compressed air generation source 20 supplies a compressed air to the vacuum pipe 9 and thereby stabilizes the vacuum level in the vacuum pipe 9.