Pill Packaging Machine Asymmetric Guide Orientation
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Solution Overview
Problem
Current pill packaging machines face challenges in accurately orienting pills within packages and verifying pill types, leading to inefficiencies and potential errors in packaging and labeling processes.
Innovation Solution
The pill packaging system incorporates a pill guide with inclined apertures to orient pills correctly and uses sensors or cameras to detect and verify pill positions and types, along with a database and printer for accurate labeling, ensuring proper packaging and information integrity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If a traditional pill packaging machine is used, then packaging operation can be performed, but pill orientation accuracy is poor and verification capability is lacking
Solution Approach 1:
The pill guide with asymmetric aperture structure pre-orients pills before they enter the packaging station. The inclined bottom surface and asymmetric aperture design ensure pills are correctly positioned in advance, eliminating the need for complex real-time orientation mechanisms during packaging.
Solution Approach 2:
The patent replaces complex mechanical orientation mechanisms with a simplified pill guide structure that uses gravity and geometric constraints (asymmetric aperture with inclined bottom) to achieve automatic pill orientation. This substitution reduces mechanical complexity while maintaining precision.
2Reliability
If no verification system is added, then device complexity remains low, but packaging accuracy and error detection capability are insufficient
Solution Approach 1:
The sensor detects pill presence and orientation in the guide aperture and provides feedback to the controller. The controller adjusts the dispensing mechanism based on this feedback, creating a closed-loop system that ensures accurate pill packaging without requiring complex manual verification procedures.
Solution Approach 2:
The system performs automatic verification through sensors and controllers that monitor pill orientation and presence. This self-verification capability eliminates the need for external inspection equipment or manual checking, maintaining reliability while avoiding excessive complexity.
3Productivity
If pill orientation is not controlled, then device complexity is low, but packaging efficiency and labeling accuracy deteriorate
Solution Approach 1:
The pill guide aperture is designed with asymmetric geometry, where the bottom surface is inclined and the aperture dimensions differ in orthogonal directions. This asymmetric structure naturally guides pills into a specific orientation as they pass through, ensuring consistent positioning for efficient packaging and accurate labeling without complex active control mechanisms.
Data Source
AI summary
A system for packaging unit doses of medication. One pill packaging system comprises a feeding assembly, a pill packaging assembly, and a pill guide. The pill guide may be positioned between the feeding assembly and packaging assembly and comprise a body having inlet and outlet apertures, whereby a pill traveling through the pill guide exits the outlet aperture oriented such that a leading edge of the pill points toward one side of the pill package and the trailing edge of the pill is inclined toward an opposite side of the pill package. Another pill packaging system comprises a pill feeding assembly comprising a pill disk with circumferentially positioned pill slots, a pill packaging assembly, and a sensor, such as a camera, to determine whether more than one pill is positioned in a pill slot on the pill disk.