Detachable Tray for Ink Jet Textile Printing
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Solution Overview
Problem
Ink jet textile printing apparatuses face difficulties in efficiently setting fabrics due to the obstruction caused by the long shaft fixed positioning portion, leading to unstable tray placement and prolonged setup times.
Innovation Solution
A tray design with a main body, a first protrusion portion for mounting, and a leg portion that protrudes opposite to the setting surface, allowing for stable horizontal placement and easy setting of materials, along with a concave portion for tray stacking to prevent position aberration and collapse.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If a long shaft fixed positioning portion is provided in the tray, then positioning precision is improved, but ease of operation deteriorates due to obstruction when placing the tray horizontally
Solution Approach 1:
The long shaft fixed positioning portion is extracted from the tray structure. Instead of having a long protruding shaft, the patent uses a short positioning protrusion combined with a separate positioning hole in the support unit, eliminating the obstruction problem while maintaining positioning function.
Solution Approach 2:
The positioning mechanism is inverted from a protruding shaft design to a recessed hole design. The support unit has a positioning hole that receives a short positioning protrusion from the tray, reversing the traditional approach and allowing horizontal placement without obstruction.
2Reliability
If a long shaft fixed positioning portion is provided in the tray, then positioning reliability is improved, but stability deteriorates when the tray is placed horizontally
Solution Approach 1:
The obstructing long shaft is extracted and replaced with a short positioning protrusion that fits into a positioning hole, eliminating the interference with horizontal placement while maintaining reliable positioning through the protrusion-hole配合 mechanism.
Solution Approach 2:
The positioning function is shifted from a vertical long shaft to a horizontal short protrusion that engages with a positioning hole, changing the dimensional approach to achieve both reliability and stability in horizontal placement.
3Reliability
If the tray is fixed to the support unit continuously, then positioning reliability is maintained, but loss of time increases due to inability to pre-set materials outside the apparatus
Solution Approach 1:
The tray connection is made dynamic and reversible rather than fixed. The tray can be easily detached from and reattached to the support unit, enabling operators to pre-set multiple trays with materials outside the apparatus and quickly swap them during operation, reducing setup time while maintaining positioning reliability through the positioning protrusion and hole mechanism.
4Ease of operation
If the tray is designed for easy detachment, then ease of operation is improved, but reliability of positioning may deteriorate
Solution Approach 1:
The positioning function is segmented into two parts: a positioning protrusion on the tray and a positioning hole in the support unit. This segmentation allows easy detachment and reattachment while ensuring reliable positioning through the precise fit between the protrusion and hole, maintaining both ease of operation and positioning reliability.
Data Source
AI summary
A tray which is provided so as to be detachable from a support unit of an ink jet textile printing apparatus, and includes a main body having a setting surface on which a material to be printed is set; a positioning pin which is provided in a protruding manner on the mounting surface on the opposite side to the setting surface of the main body, and is used when mounting the main body on the support unit; and a leg portion which is provided in a protruding manner on the mounting surface of the main body, and has a protruding dimension which is longer than the positioning pin.