Tablet Packaging Device Single Shutter Carrier
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Solution Overview
Problem
Conventional tablet packaging devices have low packaging efficiency, risk of tablets departing or chipping during transport, and complex structures with multiple shutters and compartments, leading to packaging errors and foreign matter discharge issues.
Innovation Solution
A simplified tablet packaging device with a single carrier that collectively discharges tablets into all storage concavities using a single shutter, eliminating gaps to prevent tablet loss and incorporating a vertical moving device with a damper to reduce impact, and a brush to clean the shutter, ensuring reliable transfer and preventing foreign matter discharge.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If a conventional scraper unit with multiple compartments and shutters is used, then tablets can be dispensed into multiple storage concavities, but the device structure becomes complex and packaging efficiency decreases
Solution Approach 1:
The patent merges multiple compartments and shutters into a single carrier and single shutter system. The carrier has multiple compartments that can be collectively opened by one shutter, eliminating the need for multiple individual shutters and control mechanisms, thus simplifying the device structure while maintaining the ability to dispense tablets into multiple storage concavities simultaneously
Solution Approach 2:
The single carrier is designed to serve multiple functions: it can hold tablets for multiple storage concavities, move collectively to position over the tray, and use a single shutter to control discharge to multiple locations. This multi-functional design replaces the need for multiple specialized components, reducing complexity while preserving packaging efficiency
2Productivity
If the belt conveyor advances and stops repeatedly with short quick steps, then tablets can be transferred to storage concavities, but tablets may depart from concavities or become chipped due to vibration
Solution Approach 1:
The patent incorporates a damper in the vertical moving device that actively detects and responds to vibration conditions. When vibration exceeding a threshold is detected during carrier movement, the damper automatically increases damping force to suppress vibrations before they can cause tablets to depart or chip, thus preventing damage while maintaining transfer speed
3Ease of operation
If gaps exist between the tray and carrier, then the carrier can move freely, but tablets may depart to the outside during discharge
Solution Approach 1:
The patent implements a dynamic gap control system where the vertical distance between the carrier and tray is automatically adjusted based on the discharge phase. During movement and loading, a larger gap maintains carrier mobility and prevents interference. During the discharge phase, the carrier moves closer to the tray to minimize the gap and prevent tablet escape, thus dynamically balancing mobility and containment requirements
4Productivity
If multiple shutters and compartments are used in the scraper unit, then tablets can be dispensed to multiple locations, but foreign matter discharge issues and packaging errors increase
Solution Approach 1:
The patent combines multiple individual shutter mechanisms into a single shutter system that controls all carrier compartments simultaneously. This unified control eliminates timing synchronization issues between multiple shutters and ensures consistent, precise discharge to multiple storage concavities, reducing packaging errors while maintaining dispensing capability
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 solution enhances packaging efficiency, reduces tablet loss and chipping, and minimizes packaging errors by ensuring reliable transfer and cleaning of the shutter, resulting in a more efficient and error-free process.
Implementation Method 1
a vertical moving device for the mounting platform, having a damper
Implementation Method 2
a brush to clean the shutter
Data Source
AI summary
A packaging section of a tablet packaging device includes: a placement base of a tray; a drawer storing the placement bas; a carrier provided with compartments corresponding to the storage concave portions of the tray; a drive device of the carrier; a shutter opening/closing; a bottom of the carrier; and an opening/closing device of the shutter. The drive device performs a step of defining a tablet discharge position on the tray as an original position and returning to the original position through a tablet reception start position and a tablet reception end position which are set below a discharge opening. A step of sequentially moving each compartment of the carrier below the discharge opening from the tablet reception start position to the tablet reception end position during the step to receive one tray of tablets is performed. When the carrier returns to the discharge position, the shutter is opened.