Can Alignment Mechanism for Precise Tab-Oriented Sealing
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing can processing machines lack a reliable method to achieve a consistent and precise angular alignment of cans within processing stations, leading to random and uncontrolled sealing of capsules on the can edges.
Innovation Solution
A can alignment system that includes a mechanical blocking device to prevent can rotation at a precise position on the first carousel and a radial blowing device to maintain alignment during transfer to the second carousel, ensuring the can's opening and tab are aligned correctly for precise sealing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If cans are transferred through carousels using centrifugal force, then continuous processing is enabled, but can alignment becomes random and uncontrolled
Solution Approach 1:
The mechanical blocking device is activated before the can reaches the sealing station to pre-position the can in the correct angular orientation. This preliminary alignment action ensures that when the can enters the sealing station, it is already properly positioned, eliminating the randomness caused by centrifugal transfer while maintaining continuous processing through the carousel system.
Solution Approach 2:
The mechanical blocking device acts as an intermediary element between the centrifugal transfer mechanism and the sealing station. It temporarily interrupts the random rotation caused by centrifugal force, holds the can in the correct position, and then releases it, thereby mediating between the continuous transfer requirement and the precision alignment requirement.
2Manufacturing precision
If mechanical blocking device is added to control can alignment, then positioning precision is improved, but device complexity increases
Solution Approach 1:
The mechanical blocking device utilizes the existing carousel infrastructure and can tab features to achieve alignment. The blocking device engages with the tab that is already present on the can, and the carousel's rotational positions provide the reference framework. This self-service approach minimizes the need for additional complex positioning mechanisms while achieving precise angular alignment.
3Productivity
If can alignment is not controlled, then processing speed is maintained, but sealing quality becomes inconsistent
Solution Approach 1:
The invention replaces potential complex optical sensing and active correction systems with a simple mechanical blocking device. This mechanical solution maintains processing speed by using passive mechanical engagement with the can tab, while ensuring reliable sealing quality through precise physical positioning of the can in the correct angular orientation before sealing.
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 system achieves a known and precise angular alignment of cans, allowing for consistent sealing with stronger or weaker adhesion depending on positioning, enhancing the reliability and efficiency of the can processing operation.
Implementation Method 1
a radial blowing device associated with the can transition device for blowing air onto the cans in a radial direction towards the second carousel
Implementation Method 2
it rotates about its vertical axis until it reaches a corresponding cavity of the second carousel, where it is again subjected to a centrifugal force of a considerably smaller value
Data Source
Figure 1~2
Figure 3~15
Figure 6~9
AI summary
The invention relates to a can alignment system and to a can processing machine comprising said system. The can alignment system comprises of a can processing machine for achieving a known and precise angular alignment of the respective opening (3a) and tab (31) of the can (3), the can processing machine (40) comprising: - a can transport device (60) for transferring a plurality of cans from a first station (61) to first cavities (41) of a first carousel (42), - said first carousel (42) suitable for sorting and distributing cans (3) towards a second carousel (44), - said second carousel (44) having second cans (42) associated with at least one can processing station (SL) for processing the same cans (3), - a can transfer device (80) for passing the cans (3) from the first cavities (41) of the first carousel (43) to the second cavities (42) of the second carousel (44). A peculiarity of the invention is to comprise can alignment means (50) associated with at least one of said can transport device (60), first carousel (42), can transfer device (80) for achieving said known and precise angular alignment of the can (3).