Adjusting Drum for Spiral Orientation via Radial Ratchet
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Solution Overview
Problem
Existing adjusting drums for product-dispatching machines require axial traction along the spiral rotation axis, making adjustments difficult, slow, and prone to damage, especially when products are already placed, leading to inefficiencies and maintenance challenges.
Innovation Solution
An adjusting drum design that eliminates the need for axial traction by using a bayonet-type connection clamp and radial ratchet gear means to angularly orient the spiral, allowing step-wise rotation and easy removal, with coupling mechanisms for spiral exchange, and optional mechanical clamping for counter-rotating spirals.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If axial traction is applied to adjust spiral position using elastic elements, then spiral orientation can be changed, but the operation becomes difficult, slow and prone to damage
Solution Approach 1:
The patent removes the elastic elements entirely from the adjusting drum mechanism, replacing them with a bayonet-type connection system. This extraction eliminates the reliability issues associated with elastic element fatigue and breakage while simplifying the adjustment operation to a straightforward rotational motion without requiring axial traction.
Solution Approach 2:
Instead of using axial traction to separate plates and enable rotation, the invention inverts the mechanism by using rotational motion directly to engage or disengage the bayonet connection. The spiral is adjusted by rotating the adjusting drum, which directly rotates the spiral without needing to pull it axially, thus inverting the traditional adjustment approach.
2Ease of operation
If axial traction is used to adjust spiral orientation, then position can be changed, but products may fall by gravity requiring reloading
Solution Approach 1:
The patent inverts the adjustment mechanism from axial traction to direct rotational adjustment. By rotating the adjusting drum, the spiral orientation is changed without axial movement, thereby preventing products from falling due to gravity and eliminating the need for reloading operations.
3Adaptability or versatility
If elastic elements are used for plate separation, then spiral rotation is enabled, but the structure becomes more complex and maintenance difficult
Solution Approach 1:
The invention extracts and removes the elastic elements from the adjusting drum, replacing the complex plate separation mechanism with a simpler bayonet-type connection system. This reduces device complexity while maintaining the essential adjustability function through direct rotational engagement.
4Manufacturing precision
If axial traction is applied to move plates apart, then spiral orientation can be adjusted, but the operation becomes fatiguing and slow
Solution Approach 1:
The patent inverts the adjustment approach by eliminating axial traction entirely. The bayonet-type connection allows precise spiral orientation to be achieved through simple rotational motion of the adjusting drum, making the operation both precise and easy without requiring fatiguing axial forces.
Data Source
Figure 1a~2a
Figure 1b
Figure 2b
AI summary
An adjusting drum (1) is described, in particular for adjusting a rotation of a delivering spiral of a product dispatching machine, comprising at least one first plate (3) equipped with first fastening means (5) to at least one product-delivering spiral, and at least one second plate (7) equipped with second fastening means (9) to at least one actuating system, between the first plate (3) and the second plate (7) axial orienting means (13) of the spiral being arranged, such axial orienting means (13) allowing a unilateral rotation of the first plate (3) with respect to the second plate (7).