Filling System Separate Drive Means for Stroke Control
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Solution Overview
Problem
Existing filling systems require complex mechanisms to achieve both large adjustment strokes and sufficient contact pressure, often involving cam-controlled drives that are cumbersome and require multiple steps for reliable locking and unlocking.
Innovation Solution
The system employs separate drive means for the adjusting stroke and contact pressure stroke, with the adjusting stroke being significantly longer than the contact stroke, utilizing a fluid pressure drive for contact pressure application, particularly a pneumatic drive, and a coupling device to connect the receiving device to the fluid pressure drive only during filling, allowing for efficient and reliable positioning and sealing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Length of moving object
If a single cam-controlled drive is used to achieve both large adjustment stroke and contact pressure, then the device can perform both functions, but the device complexity increases and reliability decreases due to multiple locking/unlocking steps
Solution Approach 1:
The drive function is segmented into two independent drive means: a cam-controlled drive for the adjusting stroke (positioning) and a fluid pressure drive for the contact stroke (pressing). This segmentation allows each drive to be optimized for its specific function, reducing overall system complexity and improving reliability by eliminating the need for multiple locking/unlocking steps in a single mechanism.
2Length of moving object
If a cam-controlled drive is used to achieve large adjustment stroke, then the positioning function is satisfied, but the contact pressure application becomes complex requiring additional locking mechanisms
Solution Approach 1:
The drive function is segmented into two independent drive means: a cam-controlled drive for the adjusting stroke (positioning) and a fluid pressure drive for the contact stroke (pressing). This segmentation allows each drive to be optimized for its specific function, reducing overall system complexity and improving reliability by eliminating the need for multiple locking/unlocking steps in a single mechanism.
Solution Approach 2:
The mechanical cam-controlled drive is replaced by a fluid pressure drive (pneumatic or hydraulic) for the contact stroke. This substitution eliminates the need for mechanical locking and unlocking mechanisms, thereby improving reliability and simplifying the system while maintaining the ability to apply sufficient contact pressure.
3Measurement precision
If the actuating stroke is made significantly longer than the contact stroke (ratio at least 3:1), then the positioning accuracy is improved, but the force required for the contact stroke increases
Solution Approach 1:
The mechanical cam-controlled drive is replaced by a fluid pressure drive (pneumatic or hydraulic) for the contact stroke. This substitution eliminates the need for mechanical locking and unlocking mechanisms, thereby improving reliability and simplifying the system while maintaining the ability to apply sufficient contact pressure.
Solution Approach 2:
A fluid pressure drive (pneumatic or hydraulic) is introduced to apply the contact pressure. Fluid pressure systems are capable of generating high forces in a compact space, making them ideal for applying the necessary contact pressure during the short contact stroke without requiring a long actuating stroke.
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 design simplifies the process by allowing large adjustment strokes with minimal force and applying sufficient contact pressure with a fluid pressure drive, enhancing the reliability and efficiency of the filling process while maintaining food safety standards.
Implementation Method 1
utilizing a fluid pressure drive for contact pressure application, particularly a pneumatic drive
Implementation Method 2
a coupling device to connect the receiving device to the fluid pressure drive only during filling
Data Source
Figure 1
Figure 2
Figure 3A~3B
AI summary
The invention relates to a filling system for filling containers (3) with at least one filling element (2), wherein the filling element (2) has at least one filling valve (7) and a receiving device (6) associated with the filling valve (7) for receiving the containers (3), wherein the receiving device (6) is movably arranged relative to the filling valve (7) from an insertion position via an actuating stroke. According to the invention, separate drive means are provided for effecting the actuating stroke and a subsequent pressing stroke of the receiving device (6).