Winding Core Support Layout for Lower-Height Roll Printing
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Solution Overview
Problem
Printing devices that form images on roll-shaped media tend to increase in height due to the configuration of rails or similar structures that sandwich the medium from both sides, leading to a larger footprint.
Innovation Solution
A printing device design that includes a pair of holding sections with insertion sections into winding cores and a support section positioned closer to the print section, allowing the holding sections to move horizontally instead of vertically, and utilizing a support section that extends in the extending direction to facilitate easier medium winding and reduce device height.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If rails or similar structures are provided below the holding section and winding section to sandwich the medium from both sides, then the medium can be effectively controlled and sandwiched, but the printing device becomes larger in the height direction
Solution Approach 1:
The support section is repositioned from a vertical arrangement (below the holding section) to a horizontal arrangement (closer to the print section in the widthwise direction). This dimensional change allows the medium to be sandwiched effectively while reducing the device height, as the support structure no longer extends vertically below the holding section.
2Stability of the object's composition
If the support section is positioned below the holding section, then the holding section can be supported, but the device height increases
Solution Approach 1:
The support section is relocated from a vertical position below the holding section to a horizontal position closer to the print section. This repositioning in the widthwise direction maintains the support function while eliminating the need for vertical extension, thereby reducing device height.
3Length of stationary object
If the support section is positioned closer to the print section, then the device height is reduced, but the medium winding capability must be maintained
Solution Approach 1:
The holding section is designed to be movable along the support section in the widthwise direction, allowing dynamic adjustment during medium winding operations. This mobility enables the holding section to move to appropriate positions for winding while the support section remains close to the print section, maintaining both compact height and operational ease.
Data Source
AI summary
A printing device 1 includes a print section 8 for printing on a continuous medium M, a pair of holding sections 3 each having an insertion section 15 configured to be inserted into one of a first winding core of the wound medium M or a second winding core for winding the medium M from an outer side in an extending direction of the winding core, and a support section 19 for supporting the holding section 3, wherein the support section 19 is disposed closer to the print section 8 than the holding section 3 in a first direction, which is a direction from the holding section 3 toward the support section 19, of directions perpendicular to the extending direction of the winding core. By adopting the printing device 1 having such a configuration, it is possible to configure the printing device 1 to be lowered.