Warp sizing apparatus
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Solution Overview
Problem
Conventional warp sizing apparatuses suffer from deterioration of sizing liquid quality due to foreign matters such as fluff and air bubbles accumulating in lateral regions of the sizing tank, which are not effectively removed by the existing overflow mechanisms.
Innovation Solution
The apparatus incorporates movable plates on the left and right sidewalls of the sizing tank, allowing overflow from the upper edges, which can be adjusted to prevent foreign matters from staying in lateral regions and ensure efficient liquid discharge.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the sizing tank uses a conventional overflow mechanism with only front and rear end walls, then the structure is simple, but foreign matters accumulate in lateral regions causing deterioration of sizing liquid quality
Solution Approach 1:
The overflow function is segmented from the end walls and distributed to multiple locations by adding overflow ports on the left and right sidewalls. This segmentation allows foreign matters to be discharged from multiple points, preventing accumulation in lateral regions while maintaining reasonable structural complexity
Solution Approach 2:
Different parts of the tank wall are given different functions: the rear end wall serves as the supply side with higher height, the front end wall as overflow side with lower height, and the lateral sidewalls are equipped with overflow ports at specific heights. This local differentiation optimizes foreign matter discharge efficiency without unnecessarily complicating the overall structure
2Adaptability or versatility
If the sidewalls are made fixed, then the structure is stable and simple, but the overflow performance cannot be optimized for different operating conditions
Solution Approach 1:
The sidewalls are made movable rather than fixed, allowing them to be adjusted to different positions. This dynamic configuration enables optimization of overflow performance for different operating conditions while maintaining structural simplicity through the use of adjustable rather than complex mechanisms
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
This configuration effectively prevents the deterioration of sizing liquid quality by ensuring that foreign matters are discharged, maintaining the liquid's state and improving the overall operation of the sizing process.
Implementation Method 1
a height position of an upper edge of an overflow-side end wall on an opposite side to a supply-side end wall, which is the end wall on a side on which the supply unit is provided, is a position lower than a height position of an upper edge of the supply-side end wall, so that the sizing liquid overflows from the overflow-side end wall
Implementation Method 2
a forward flow of the sizing liquid is generated by rotation of the first roll in the tank
Implementation Method 3
a forward flow of the sizing liquid is generated by rotation of the first roll in the tank
Implementation Method 4
each include an overflow part configured to allow overflow of the sizing liquid from an upper edge and each include a movable plate whose height position can be changed
Data Source
Figure 1
Figure 2
Figure 3
AI summary
Warp sizing apparatus (1) comprising a sizing tank (3) having a bottom plate (4), a first end wall (5), a second end wall (6) provided on the opposite side of said first end wall (5), a first side wall (7) and a second side wall (8) provided on the opposite side of said first side wall (7), whereby said sizing tank (3) is configured to store a sizing liquid (S); said warp sizing apparatus (1) further comprises a first roll (11) immersed in the sizing liquid in the sizing tank (3); and a second roll (13, 15) forming a nip with the first roll (11), so as to sandwich a warp sheet (T) between said second roll (13, 15) and said first roll (11), wherein a supply unit (30) configured to supply the sizing liquid (S) is provided on the second end wall (6) of the sizing tank (3), and the height of an upper edge of the first end wall (5) is lower than an upper edge of the second end wall (6), thereby allowing the liquid to overflow from said first end wall (5).