Powder Dispensing Device with Tag-Scanning Control
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Solution Overview
Problem
Existing dispensing systems for rotational molding fail to accurately and consistently measure the charge weight and color of powdered molding materials, leading to inefficiencies and defects in molded parts.
Innovation Solution
A dispensing device with a hopper, scale, and scanner system that reads identifying tags on containers to precisely measure and dispense the correct amount of material, ensuring accurate weight and color, while minimizing contamination through a shielded design.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If manual dispensing methods are used, then device complexity is reduced, but measurement precision and manufacturing precision deteriorate
Solution Approach 1:
The patent replaces manual mechanical dispensing with an automated system that uses a scale for weight measurement and a scanner for container identification. The controller automatically calculates and dispenses the precise charge weight based on scanned container information, eliminating manual measurement errors while managing system complexity through integration of standard industrial components.
Solution Approach 2:
The system performs self-measurement and self-dispensing operations. The scale automatically measures the weight of material being dispensed, the scanner automatically reads container identifiers, and the controller automatically calculates and controls the dispensing process without requiring manual intervention for each measurement and dispensing cycle.
2Manufacturing precision
If automated dispensing systems are implemented, then manufacturing precision improves, but device complexity increases
Solution Approach 1:
The dispensing device integrates multiple functions into a single system: the scale serves both as a weight measurement device and as a platform for positioning containers, the scanner simultaneously identifies container type and reads identifying tags, and the controller coordinates all operations. This multi-functionality reduces the need for separate dedicated devices for each function.
Solution Approach 2:
The system uses feedback from the scale's weight measurements and the scanner's container identification to continuously adjust and verify the dispensing process. The controller receives real-time data from both sensors and automatically modifies dispensing parameters to maintain precise charge weights consistent with the specified container requirements.
3Object-affected harmful factors
If open dispensing areas are used, then ease of operation improves, but contamination increases
Solution Approach 1:
The patent employs a housing structure that encloses the dispensing area, creating a protected environment that prevents external contamination of the powdered material. The housing acts as a physical barrier while still allowing the scale and scanner to access containers for measurement and identification operations.
Solution Approach 2:
The housing serves as an intermediary structure that separates the dispensing mechanism from the external environment. It allows the material to be handled and measured while protecting it from contaminants, and it provides a controlled environment that reduces airborne powder dispersion while maintaining operational accessibility.
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 device ensures accurate and consistent dispensing of powdered molding materials, reducing waste and production costs by providing precise weight and color control, and minimizing contamination.
Implementation Method 1
a scale located in a lower portion of the housing below a level of the feeder and capable of measuring a weight of the material dispensed from the feeder
Implementation Method 2
each container includes a unique identifying tag readable by a scanner of the device when the container is located on the scale
Data Source
AI summary
A dispensing device for dosing material, preferably powdered molding compound suitable for use with rotational molding machines. The device includes a hopper for receiving and storing the material to be dispensed and a dispensing system that transfers an exact amount of material to a container based upon information contained on an identifying tag of the container that is read by a scanner of the device.