Multi-Stage Tablet Alignment Feed With Inclined Rotating Rings
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Solution Overview
Problem
Conventional aligning and conveying apparatuses face issues with damage and inefficient alignment of solid preparations like tablets or capsules due to high centrifugal and frictional forces when rotating disks and containers operate at different speeds.
Innovation Solution
An aligning and conveying apparatus with a rotating disk, first and second rings, and a suction roller, where the rotational axes are inclined and speed differences are controlled to minimize damage, using a multi-stage conveyance system with specific cut parts and a suction mechanism to maintain alignment and stability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Speed
If the rotating disk is rotated at high speed to increase the conveying speed, then the conveying speed is improved, but the conveyance targets receive a large centrifugal force and may collide with the circumferential wall causing damage
Solution Approach 1:
The conveying system is divided into multiple independent rotating components (rotating disk, first rotating container, second rotating container) that operate at different speeds. This segmentation allows the conveyance targets to be accelerated gradually through multiple stages rather than subjected to a single high-speed rotation, reducing the harmful centrifugal force at any given moment while maintaining high overall conveying speed.
Solution Approach 2:
The system employs dynamic speed control where each rotating component operates at a different rotational speed. The rotating disk, first rotating container, and second rotating container are driven at progressively different speeds to create a controlled acceleration profile. This dynamic speed variation allows the conveyance targets to adapt to changing centrifugal forces gradually, preventing sudden collisions and damage.
2Speed
If only the rotating container is rotated at high speed, then the conveying speed is improved, but the difference between the speed of the rotating disk and the speed of the rotating container is increased, thus the frictional force that the conveyance targets receive is increased, and the orientation of the conveyance targets during conveyance may be disrupted
Solution Approach 1:
The frictional force issue is addressed by segmenting the speed difference across multiple rotating components. Instead of having a large speed difference between just two components (disk and container), the system distributes this speed variation across three components (disk, first container, second container), each with progressively different speeds. This reduces the frictional force impact on any single transfer interface while maintaining high conveying speed.
Solution Approach 2:
The system dynamically adjusts the rotational speeds of multiple components to maintain optimal speed differences at each transfer interface. By controlling the speed progression across the rotating disk, first rotating container, and second rotating container, the system minimizes excessive frictional forces that would disrupt the orientation of conveyance targets while achieving high overall conveying speed.
3Productivity
If the rotational speed difference between components is increased to improve conveyance efficiency, then the conveying speed is improved, but the frictional force increases causing orientation disruption and potential damage
Solution Approach 1:
The system segments the productivity enhancement across multiple rotating components operating in sequence. Each component contributes to the overall conveying efficiency while operating at a controlled speed that limits the centrifugal and frictional forces acting on the conveyance targets. This segmented approach maintains high productivity without concentrating excessive forces at any single point.
Solution Approach 2:
The system employs dynamic speed control across multiple rotating components to optimize the balance between productivity and force management. By independently controlling the rotational speeds of the disk, first container, and second container, the system achieves high conveyance efficiency while maintaining speed differences that prevent excessive frictional and centrifugal forces from damaging the conveyance targets.
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 apparatus efficiently aligns and conveys solid preparations while minimizing damage by controlling rotational speeds and using a suction mechanism, ensuring stable and high-speed conveyance without constraining or damaging the preparations.
Implementation Method 1
a suction roller for holding preparations conveyed by the second conveying part
Implementation Method 2
the conveyance targets move in the outer circumferential direction of the rotating disk by the centrifugal force resulting from the rotation of the rotating disk
Data Source
Figure 1
Figure 2
Figure 3~4
AI summary
Provided is an aligning and conveying apparatus 1 comprising a rotating disk 10 having a disk-shaped bottom wall 11 and supported so as to be rotatable, a first ring 20 having a first circumferential wall 21 surrounding the bottom wall 11 and supported so as to be rotatable, and a second ring 30 having a second circumferential wall 31 surrounding the first circumferential wall 21 and supported so as to be rotatable, wherein a first conveying part 91 and a second conveying part 92 are respectively provided in upper parts of the first circumferential wall 21 and the second circumferential wall 31, in the rotating disk 10 and the first ring 20, the bottom wall 11 is positioned lower than the first conveying part 91 so as to form a retaining space S for retaining preparations P inside the first ring 10, and the respective rotational axes are relatively inclined such that the preparations P move from the bottom wall 11 to the first conveying part 91 at a first delivery position P1, and in the first ring 20 and the second ring 30, the first conveying part 91 is positioned lower than the second conveying part 92, and the respective rotational axes are relatively inclined such that the preparations P move from the first conveying part 91 to the second conveying part 92 at a second delivery position P2.