Curved Transport Pathway for Pile Direction Change
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Solution Overview
Problem
Stuffing machines face challenges in changing the advancement direction of piles, leading to issues with machine positioning and layout due to the longitudinal development of different stuffing stations, such as preformed envelope stuffers and continuous stuffers, which have varying geometries and sizes.
Innovation Solution
An apparatus with a thrust device and a connecting device that changes the advancement direction of piles from horizontal to oblique or perpendicular, using a curved transport pathway and a thrust device to reorient piles, allowing for an angled longitudinal development of the machine sections, reducing overall length.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If a linear conveyor connects the forming station to the stuffing station in series, then the piles are transported efficiently, but the machine has a considerable longitudinal development
Solution Approach 1:
The patent introduces a thrust device that changes the advancement direction of piles from the initial horizontal direction to a perpendicular or oblique direction. This dimensional change in the transport pathway allows the forming station and stuffing station to be arranged in different spatial orientations rather than strictly in series, thereby reducing the overall longitudinal development of the machine while maintaining efficient pile transport
2Productivity
If the stuffing station is replaced with a continuous stuffer, then continuous stuffing operation is achieved, but the longitudinal development becomes even greater
Solution Approach 1:
The thrust device enables continuous stuffers, which inherently require greater longitudinal space, to be integrated more compactly by changing the pile advancement direction to perpendicular or oblique. This allows the continuous stuffer to receive piles in a different orientation, reducing the overall machine length despite the continuous operation requirement
3Ease of manufacture
If sheet-placing devices are arranged in series to form piles, then the stacking operation is systematic, but the machine occupies considerable space
Solution Approach 1:
By introducing the thrust device that redirects piles perpendicular or oblique to the initial advancement direction, the patent allows the sheet-placing devices to be arranged in a more compact configuration. The dimensional change in the transport pathway enables better spatial utilization, reducing the overall area occupied by the machine while maintaining systematic pile formation
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
Enables flexible machine configuration by changing the pile advancement direction, allowing for more compact and efficient use of space, accommodating different stuffing station types and reducing the overall machine length.
Implementation Method 1
the drawing means being curved in such a way that the transport pathway comprises at least an arced tract with a centre of curvature located on a main axis perpendicular to the initial advancement direction, whereby, upon the crossing of the arced tract, the piles exhibit an intermediate advancement direction which is oblique or transversal with respect to the initial advancement direction
Implementation Method 2
at least a thrust device for pushing a pile in a pushing direction, arrangeable in such as way that the pushing direction is perpendicular or oblique with respect to the initial advancement direction
Data Source
AI summary
An apparatus for changing, in an envelope stuffing machine, an initial advancement direction of piles made up of inserts to be put in envelopes comprises at least a thrust device for pushing a pile in a thrust direction perpendicular or oblique with respect to an initial advancement direction, and at least a connecting device comprising drawing means for transporting piles along a transport pathway at a terminal end of which there is an outlet of the connecting device, the drawing means receiving piles which are supplied in initial advancement direction, the drawing means being curved so that the transport pathway comprises at least an arced tract with a center of curvature on a main axis perpendicular to the initial advancement direction, whereby, upon crossing the arced tract, the piles exhibit an intermediate advancement direction oblique or transverse to the initial advancement direction; the thrust device being downstream of the connecting device so as to receive piles which exit from the connecting device.