Conveyor Belt Torque for Product Alignment
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Solution Overview
Problem
Existing solutions for aligning products in packaging technology are complex, hygienically questionable, and energy-intensive, with vacuum systems being difficult to clean and impairing accessibility, while also being performance-limiting and unsuitable for high-throughput operations, especially for elongated products.
Innovation Solution
A method and device using a conveyor belt to exert a torque on products, allowing them to be aligned along a movement path, enabling efficient rotation and positioning without the need for complex mechanical grippers or vacuum systems, suitable for high-speed and multi-lane configurations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If mechanical grippers are used to secure and rotate products, then product rotation can be achieved, but the system complexity increases and hygiene concerns arise
Solution Approach 1:
The patent replaces complex mechanical grippers with a simple conveyor belt system that uses friction and controlled speed variations to rotate products. The conveyor belt moves at different speeds relative to the product stream, creating a torque that naturally rotates products without mechanical contact or complex gripping mechanisms.
Solution Approach 2:
The products rotate themselves through the interaction with the conveyor belt's motion. By controlling the conveyor belt speed to be different from the product stream speed, the system creates a self-rotating effect where products align themselves without external mechanical intervention.
2Ease of operation
If vacuum systems are used to hold products, then mechanical effort is reduced, but the vacuum system becomes difficult to clean and raises hygiene concerns
Solution Approach 1:
The patent eliminates vacuum systems entirely by using a mechanical conveyor belt that physically contacts and moves products through friction. This simple mechanical contact system is easily cleanable and maintains hygiene standards while providing sufficient product control.
3Manufacturing precision
If rotary tables with multiple stations are used for product rotation, then products can be positioned accurately, but the system complexity and energy consumption increase
Solution Approach 1:
The patent replaces complex rotary tables with a linear conveyor belt system that achieves product rotation through speed differential. The conveyor belt's motion relative to the product stream creates a torque that rotates products to the desired orientation without requiring multiple stations or complex rotational mechanisms.
Solution Approach 2:
The system uses dynamic speed control of the conveyor belt to achieve product rotation. By varying the conveyor belt speed relative to the product stream speed, the system creates a time-dependent torque that rotates products dynamically as they pass over the belt.
4Productivity
If high-speed product alignment is required, then throughput increases, but existing systems become performance-limiting
Solution Approach 1:
The patent uses a simple conveyor belt system that can operate at high speeds without the mechanical complexity that limits existing systems. The friction-based rotation mechanism has no moving parts that wear or fail at high speeds, enabling reliable high-throughput operation.
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 allows for high-throughput alignment of products with minimal technical effort, maintaining product stability and hygiene, and enabling optimal positioning for packaging, even for flat or uneven products, without the complexity and energy consumption of previous methods.
Implementation Method 1
the products are moved along a path of motion in at least one product stream via a conveyor belt running transversely to it, using a (moving, i.e., active) alignment device, such that a torque acts on the products and their orientation with respect to the path of motion changes
Data Source
Figure 1~2
AI summary
The present invention relates to a method and a device for aligning products (P) that are moved along a path of motion (B) in at least one product stream. In order to enable simple and reliable alignment of the products even at high throughput rates, the products (P) are moved with the alignment device (2) in at least one product stream along a path of motion (B) via a conveyor belt (3) running transversely thereto, such that a torque (M) acts on the products (2) and the orientation of the products (P) with respect to the path of motion (B) changes.