Portion Packet Positioning Unit with Segmented Compartments
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Solution Overview
Problem
The challenge in manufacturing portion packets of smokeless tobacco or non-tobacco snuff products lies in efficiently and automatically positioning these soft, sticky packets in a container, especially at high production rates, as they are difficult to handle and require a more attractive and space-efficient packing arrangement.
Innovation Solution
A device with a portion packet positioning unit featuring compartments arranged in a specific pattern, supported by a moveable structure that retains the pattern during operation, uses a discharging member and pressurized gas for controlled transport and positioning, allowing for efficient and reliable placement of packets in a container.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If portion packets are allowed to fall down in the container, then the device complexity is reduced, but the positioning precision and appearance quality deteriorate
Solution Approach 1:
The device segments the container into multiple compartments arranged in a circular pattern. Each compartment receives and holds a portion packet in a controlled manner, enabling precise positioning without complex external handling mechanisms. The segmentation of the positioning function into discrete compartments simplifies the overall device while achieving high positioning precision.
Solution Approach 2:
The portion packets are positioned in the compartments before being discharged into the final container. The compartments pre-arrange the packets in the desired circular pattern, and this pre-positioning is maintained during discharge. This preliminary action ensures accurate positioning without requiring complex real-time control during the final placement.
2Manufacturing precision
If portion packets are positioned in a certain pattern, then the appearance quality and space efficiency are improved, but the device complexity increases
Solution Approach 1:
The positioning device is segmented into multiple identical compartments arranged circularly. Each compartment is a simple, identical structure that holds one portion packet. This segmentation allows the device to achieve complex circular positioning patterns while keeping each individual compartment simple, thereby reducing overall device complexity.
Solution Approach 2:
The circular array of compartments serves multiple functions simultaneously: it positions packets in a precise circular pattern, holds multiple packets at once for high-speed operation, and provides a simple discharge mechanism. This multi-functionality reduces the need for separate positioning mechanisms, thereby reducing device complexity while maintaining high positioning precision.
3Productivity
If the production rate is increased to several hundreds of portion packets per minute, then the productivity is improved, but the reliability of handling soft and sticky packets deteriorates
Solution Approach 1:
The device operates with periodic action by rotating the circular array of compartments in synchronized steps. Each compartment is filled, held, and discharged in a regular periodic cycle. This periodic operation allows the system to handle hundreds of packets per minute reliably, as each packet follows the same reliable path through the compartments without requiring complex real-time adjustments.
Solution Approach 2:
The compartments provide a preliminary holding stage where soft and sticky packets are securely retained before discharge. The compartment walls and bottom surface are designed to reliably hold the packets during the high-speed periodic operation. This preliminary retention in controlled compartments ensures handling reliability even at very high production rates.
Data Source
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AI summary
The invention concerns a device (1) for placing portion packets (5) of a product for oral use into a container (7). The invention is characterized in that the device (1) comprises a portion packet positioning unit (20, 200) configured to position the portion packets (5) in relation to each other in the container (7), wherein the positioning unit (20, 200) comprises a set of portion packet receiving compartments (25, 225) arranged in a certain pattern, each of said compartments (25, 225) having an entrance end (25a, 225a) allowing a portion packet (5) to enter the compartment (25, 225) and, at an opposite side of the compartment (25, 225), a retaining end (25b, 225b) preventing a portion packet from exiting the compartment (25, 225) in that direction, wherein the positioning unit (20, 200) further comprises a discharging member (21, 22, 28, 221, 222, 228, 228a) configured to discharge portion packets (5) from the compartments (25, 225) to the container (7), wherein the compartments (25, 225) are associated with a supporting structure (27, 227) that retains the compartment pattern during operation of the device (1).The invention also concerns a method for placing portion packets (5) of a product for oral use into a container (7) using a device (1) of the above type. The invention also concerns an arrangement for manufacturing of portion packets (5) of a product for oral use, which arrangement comprises a device of the above type.