Vial Crimping Roller Drive Mechanism
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Solution Overview
Problem
Existing vial crimping devices rely on torque transmission from a rotating vial to a crimping roller, which can lead to inadequate crimping quality due to potential slipping and requires constant checking of the roller's entrainment, especially when dealing with different types of caps.
Innovation Solution
A device with a driven flanging roller and an inclination device that allows for secure crimping of various cap types, featuring a separate drive for the crimping roller, a torque transmission unit with a drive belt, and adjustable components for format adaptation, along with a driven plunger and control unit for enhanced precision and speed.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the crimping roller is driven by torque transmission from the rotating vial through the cap, then the crimping process can be performed, but the crimping quality becomes unreliable due to potential slipping and requires constant monitoring
Solution Approach 1:
The invention extracts the driving function from the vial-cap system and assigns it to a dedicated crimping roller drive. The crimping roller is no longer passively driven by vial rotation but is actively driven by a separate motor, eliminating the reliability issues associated with torque transmission through the cap.
Solution Approach 2:
The crimping roller is equipped with its own independent drive mechanism, making it self-driven rather than dependent on the vial's rotation. This self-service capability ensures consistent crimping performance without requiring external monitoring or adjustment.
2Device complexity
If the crimping roller is non-driven and pivotably mounted, then the device structure is simpler, but adequate crimp quality cannot be achieved due to insufficient driving force
Solution Approach 1:
The invention removes the passive mounting approach and installs an active drive system on the crimping roller. The separate crimping drive extracts the driving function from the vial rotation system, providing sufficient torque to ensure adequate crimp quality regardless of cap type or format.
3Device complexity
If the crimping roller is driven by the rotating vial, then no separate drive is needed, but the cap may slip during the crimping process
Solution Approach 1:
The invention extracts the driving function from the vial-cap system and assigns it to a dedicated crimping roller drive. The crimping roller is no longer passively driven by vial rotation but is actively driven by a separate motor, eliminating the reliability issues associated with torque transmission through the cap.
Solution Approach 2:
The independent crimping roller drive applies preliminary driving force to the roller before the crimping action occurs, ensuring that the roller has sufficient rotational momentum and grip to prevent cap slipping during the actual crimping process.
4Device complexity
If the device uses fixed components for crimping, then the structure is simpler, but adaptability to different cap formats is limited
Solution Approach 1:
The invention introduces adjustable components including a movable support element for the flanging roller and an adjustable plunger. These dynamic elements can be repositioned to accommodate different cap formats and sizes, enabling the device to adapt to various vial configurations without requiring complete redesign.
Solution Approach 2:
The device allows parameter changes in the positions of the flanging roller and plunger to match different cap formats. By adjusting these parameters, the device can optimize the crimping and flanging process for various cap sizes and shapes while maintaining consistent quality.
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
Ensures reliable and high-quality crimping of all cap types, independent of static friction, with improved format adaptability and increased crimping speed, resulting in consistent and efficient sealing of vials.
Implementation Method 1
The drive belt is arranged between the flaring drive and the flaring roller and transmits torque from the flaring drive to the flaring roller
Implementation Method 2
the flaring device has a spring element so that the flaring roller rests resiliently against the vial during the flaring process
Data Source
Figure 1
Figure 2
AI summary
The invention relates to a device for closing vials by means of caps, comprising a transport apparatus (4) for feeding and removing vials (2) having a feeding region and a removal region; a rotary plate (40), which is arranged between the feeding region and the removal region; and a crimping apparatus (5), which crimps caps placed onto the vials against the vials; wherein the crimping apparatus (5) has at least one crimping roller (51, 52); and wherein the crimping apparatus has a crimping drive (50) for driving the crimping rollers (51, 52).