Container Fixing Mechanism With Movable Support for Accurate Weighing
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Solution Overview
Problem
Existing systems face challenges in securely fixing non-stable containers, such as syringes and ampules, during weighing processes, leading to potential damage and instability, which can affect the accuracy and reliability of weight measurements.
Innovation Solution
A fixing apparatus with a holding device and support device that allows for relative movement between the holding device and support device, decoupling forces from the weighing cell, and includes magnetic coupling elements to stabilize the container position.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If non-stable containers are fixed rigidly to the weighing apparatus, then the containers are securely positioned during weighing, but excessive force is transmitted to the weighing cell causing damage and measurement errors
Solution Approach 1:
The contact body is designed to be movable relative to the support body, allowing the fixing apparatus to dynamically adapt to forces during container insertion and removal. This movement capability enables the system to maintain secure container positioning while preventing excessive force transmission to the weighing cell, as the contact body can shift to absorb impact forces.
Solution Approach 2:
The contact body acts as an intermediary element between the holding device and the support body. It mediates the force transmission by being configurable to move relative to the support body, thereby decoupling the holding function from the weighing cell and protecting the sensitive weighing mechanism from harmful forces.
2Reliability
If the container is securely held during insertion and removal, then process reliability is improved, but the weighing cell is subjected to overloading and extended settling time
Solution Approach 1:
The movable contact body allows the fixing apparatus to dynamically respond to insertion and removal forces, maintaining secure container holding while minimizing force transmission to the weighing cell. This reduces the settling time required for the weighing cell to return to equilibrium after each container operation.
3Adaptability or versatility
If a fixing apparatus is used for non-stable containers, then the containers can be positioned on the weighing apparatus, but the structure becomes more complex compared to simple set-down elements
Solution Approach 1:
The fixing apparatus is segmented into distinct functional components: a holding device with container receptacle and holding elements, a support device with support body, and a movable contact body. This segmentation allows each component to perform its specific function independently, enabling versatile container handling while maintaining a relatively simple overall structure that can be easily integrated with the weighing apparatus.
Data Source
AI summary
A fixing apparatus for temporarily fixing a container to a weighing apparatus includes a holding device and a support device. The holding device has a container receptacle and a contact body. The container is insertable into and removeable from the container receptacle. At least one holding element holds the container in the container receptacle. The support device has a support body and a connection body connected to the support body, for connecting to the weighing apparatus. The holding device rests on the support body via the contact body. The contact body is movable relative to the support body based on a force acting on the holding device, in particular on the at least one holding element, when the container is inserted into the container receptacle and/or when the container is removed from the container receptacle. A system for processing containers, in particular pharmaceutical containers, can include the fixing apparatus.