Movable Pocket Wall for High-Speed Cigarette Wrap Transport
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Solution Overview
Problem
Existing packer machines face challenges in safely transporting wrapping sheets around groups of smoking articles at high speeds without causing damage or unwanted deformation, and require frequent maintenance due to wear of flexible components.
Innovation Solution
A packer machine design featuring a transport unit with a drawer system and actuator devices that adjust the containing wall to maintain consistent compression, using pneumatic or mechanical means to ensure safe transport and reduce wear, allowing for high-speed production with minimal maintenance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Shape
If the wrap is adequately contained during transport to prevent deformation, then the wrap shape is maintained, but excessive compression may damage the wrap
Solution Approach 1:
The containing wall is made movable between different positions (loading/unloading position with larger pocket dimension, and transport position with smaller pocket dimension). This dynamic adjustment allows the system to provide different levels of containment depending on the operational phase, preventing deformation during transport while avoiding excessive compression that would damage the wrap.
2Adaptability or versatility
If flexible components are used to enable movement and adjustment, then adaptability is improved, but wear increases requiring frequent maintenance
Solution Approach 1:
The patent replaces flexible mechanical components with a pneumatic system. The pneumatic actuator uses compressed air to move the containing wall, eliminating the need for mechanical joints, seals, and flexible elements that would wear out. This substitution maintains the adaptability of the system while significantly reducing maintenance requirements and improving reliability.
3Productivity
If high-speed production is implemented to increase productivity, then output is improved, but wrap damage risk increases due to excessive compression
Solution Approach 1:
The containing wall moves periodically between loading/unloading position and transport position in synchronization with the production cycle. During high-speed operation, the wall is in the transport position (providing containment) only during the transport phase, and retracts to the loading position during loading/unloading phases. This periodic action allows high-speed production while preventing continuous compression that would damage the wrap.
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 transport unit effectively maintains the shape of wrapping sheets by controlled compression, preventing deformation while reducing maintenance needs, thus ensuring efficient and reliable production of cigarette packs with minimal wear on components.
Implementation Method 1
actuator devices that adjust the containing wall to maintain consistent compression, using pneumatic or mechanical means
Data Source
Figure 1~2
Figure 3
Figure 4~5
AI summary
A packer machine (9) for producing a wrap (3) by folding a wrapping sheet (7) around a group (5) of smoking articles. The packer machine (9) has a transport unit (22), which is interposed between a folding conveyor (13) and a transfer conveyor (19) and is configured to receive the wrap (3) from the folding conveyor (13) and to transfer the wrap (3) to the transfer conveyor (19). The transport unit (22) has: a drawer (25) provided with a frame (26), in which a pocket (27) is defined, which is configured to house the wrap (3) and is delimited, on one side, by a containing wall (30), which, in use, comes into contact with the wrap (3); and a conveyor device (32) configured to move the drawer (25) along a transfer path (P4). The containing wall (30) is mounted on the frame (26) in a movable manner so as to move between a loading and unloading position, in which it gives the pocket (27) a first dimension (D1), and a transport position, in which it gives the pocket (27) a second dimension (D2), which is smaller than the first dimension (D1). The transport unit (22) has an actuator device (40), which can be operated to move the containing wall (30) between the loading and unloading position and the transport position.