Rotary Heads with Intersecting Pitch Circles for Compact Article Transfer
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Solution Overview
Problem
Existing devices for transporting and packaging small-sized articles, such as confectionery, require complex designs to ensure accurate transfer between rotary heads, limiting their simplicity and compactness.
Innovation Solution
The device features at least two rotary heads with intersecting pitch circles, allowing for a larger potential transfer area and enabling articles to be transferred in a desired orientation with a simpler and more compact design.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If two rotary heads interact according to the principle of rolling circles with tangent pitch circles, then article transfer occurs with pinpoint accuracy on the connecting line between rotation axes, but the device design becomes complex and the transfer area is limited
Solution Approach 1:
The patent transitions from tangent pitch circles (one-dimensional contact point) to intersecting pitch circles (two-dimensional intersection area). This dimensional change expands the transfer zone from a single point on the connecting line to an entire intersection area, providing multiple possible transfer positions and orientations while simplifying the rotary head design.
2Manufacturing precision
If two rotary heads interact according to the principle of rolling circles with tangent pitch circles, then article transfer occurs at a specific point, but the transfer area is limited and device compactness is reduced
Solution Approach 1:
By changing from tangent to intersecting pitch circles, the patent creates an intersection area that provides multiple transfer positions within a compact space. This allows the device to maintain precision while reducing overall size through more efficient spatial utilization.
Solution Approach 2:
The intersecting pitch circles configuration provides multiple possible transfer positions and orientations within the intersection area, making the device more versatile. The same rotary head structure can transfer articles to various positions, reducing the need for additional components and improving compactness.
3Manufacturing precision
If the second rotary head has a complex design to ensure article transfer in correct orientation, then transfer accuracy is maintained, but device simplicity is compromised
Solution Approach 1:
The intersecting pitch circles create an intersection area that naturally accommodates multiple article orientations. This geometric configuration allows simpler rotary head designs to achieve accurate orientation transfer, as the intersection area provides inherent positional and orientational guidance without requiring complex mechanical structures.
Data Source
Figure 1~2
Figure 3~4
AI summary
The present invention relates to a device (1) and a method for transporting and optionally packaging small articles (A), in particular confectionery such as hard or soft caramels, chocolate pieces, or the like, with at least two rotating heads (2, 3) rotatable about parallel axes of rotation (2a, 3a) in order to transport the articles (A) in the product stream at least sectionally along the partial circles (T2, T3) of both rotating heads (2, 3) and thereby transfer them from a first to a second of the rotating heads (2, 3). In order to make the known device (1) and the known method more compact, the invention provides that the partial circles (T2, T3) of the rotating heads (2, 3) intersect when projected onto a projection plane (E) oriented perpendicular to their axes of rotation (2a, 3a).