Snus Packaging Machine Overturning Rotor for Continuous Transfer
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Solution Overview
Problem
Packaging machines for the tobacco industry face challenges in transferring snus products from containers into pre-formed packages without disrupting the machine's operating cycle, particularly when packaging in loose form such as sachets or pouches.
Innovation Solution
A packaging machine with an overturning unit featuring a rotatable rotor and dual housings that swap positions to load and discharge containers, allowing for efficient transfer of product groups into pre-formed packages while maintaining the machine's operational efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If products are transferred from containers into pre-formed packages using a conventional packaging machine, then the packaging process can be completed, but the machine's operating cycle is disrupted and efficiency is reduced
Solution Approach 1:
The rotor positions containers in the discharge position P2 and brings packages to the discharge position before the actual product transfer occurs. This preliminary positioning ensures that both containers and packages are ready for immediate transfer when the closing members open, eliminating waiting time and maintaining continuous operation.
Solution Approach 2:
The machine maintains continuous operation by having the rotor constantly rotate to bring containers to the discharge position, while packages are continuously fed by the feeding unit. The transfer operation occurs seamlessly as part of the continuous cycle rather than as an interrupting step, with closing members opening to discharge products directly into waiting packages.
2Productivity
If an overturning unit with rotatable rotor and dual housings is used to transfer products, then continuous operation is maintained, but the device complexity increases
Solution Approach 1:
The rotor serves multiple functions: it receives containers from the conveyor, positions them in the discharge position, rotates to swap between loading and discharging housings, and coordinates with the feeding unit for package delivery. The closing members also perform dual functions of closing containers during loading and opening during discharge. This multi-functionality reduces the need for separate dedicated components for each operation.
Solution Approach 2:
The loading and discharging operations are merged into a single rotational cycle of the rotor. The first housing loads containers while the second housing discharges, and then the rotor rotates to swap their positions. This combining of operations into one integrated mechanism eliminates the need for separate loading and discharging stations, reducing overall system complexity despite the sophisticated rotational mechanism.
Data Source
Figure 1
Figure 2
Figure 3A~3G
AI summary
What is described is a machine (10) for packaging products of the tobacco industry, particularly snus, comprising: - at least one conveyor (30) for feeding a plurality of containers (100) containing the products along a conveying path (T); - a unit (40) for feeding packages (200) along a feeding direction (K); and - an overturning unit (20) which is arranged along the conveying path (T) and which comprises: - a rotor (21) comprising a first housing (22), for receiving at least one first container, and a second housing (23) for receiving at least one second container, the rotor (21) being rotatable around a horizontal rotation axis (I) for making the first and the second housing (22, 23) reciprocally swap positions, between a first position (Pl) for loading the containers and a second position (P2) for unloading the products from the containers (100), into the packages (200) that are fed along the feeding direction (K), - at least one first closing member (25A, 25B) for closing an upper opening (100A', 100B') of the container positioned in the first housing (22), and at least one second closing member (26A, 26B) for closing an upper opening (100A', 100B') of the container positioned in the second housing (23), the at least one first closing member (25A, 25B) and the at least one second closing member (26A, 26B) being mounted on the rotor (21) so as to be movable between a closing position and a position for opening the containers.