Plastic Insertion Tool for Warp Knitting Machine Needle Bed Loading
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
The process of replacing slide needles in a warp knitting machine is time-consuming and prone to errors due to the large number of needles, which can lead to deformation and reduced productivity, as existing methods require individual insertion into grooves on the needle bed.
Innovation Solution
An insertion tool with receptacles designed as slots, made from a plastic material, is used to hold knitting tools in groups, allowing them to be inserted en masse into the needle bed with minimal risk of deformation, using a long side transverse to the longitudinal direction, and a friction-reducing agent to facilitate handling and secure positioning.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If knitting tools are inserted individually into grooves on the needle bed, then each tool can be positioned precisely, but the time required for loading increases significantly and productivity decreases
Solution Approach 1:
The insertion tool is divided into multiple receptacles, each holding a single knitting tool. This segmentation allows multiple tools to be carried and inserted simultaneously while maintaining individual positioning control through the structured receptacle arrangement matching the groove pitch.
Solution Approach 2:
Knitting tools are pre-loaded into the receptacles of the insertion tool before arrival at the needle bed. This preliminary arrangement in organized groups eliminates the need for individual insertion operations, significantly reducing loading time while maintaining positioning accuracy through the pre-configured receptacle structure.
2Ease of operation
If knitting tools are handled outside the needle bed for individual insertion, then flexibility in positioning is maintained, but the risk of deformation and damage increases
Solution Approach 1:
The insertion tool acts as an intermediary carrier between the storage location and the needle bed. Tools remain protected within the structured receptacles during handling and transfer, reducing deformation risk, while the tool's design with protruding long sides enables easy positioning and insertion into the groove structure.
3Productivity
If a large number of knitting tools are attached to the bar, then the productivity of the warp knitting machine increases, but the time required for replacing tools increases
Solution Approach 1:
Multiple knitting tools are merged into a single insertion tool unit, with each tool held in a receptacle. This combining allows the worker to replace all tools simultaneously by inserting the complete insertion tool into the needle bed in one operation, dramatically reducing the time required compared to individual tool replacement.
4Ease of manufacture
If knitting tools are inserted without group handling, then individual tool replacement is simple, but the overall loading process becomes error-prone and time-consuming
Solution Approach 1:
Tools are pre-arranged in the insertion tool's receptacles in the correct sequence and orientation before insertion. This preliminary organization eliminates the need for individual positioning operations during loading, reducing both time and errors while maintaining the simplicity of the insertion operation itself.
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 method significantly reduces the time required for loading and minimizes the risk of damage to the knitting tools, allowing for efficient and accurate transfer of multiple tools into the needle bed, thereby enhancing the productivity of the warp knitting machine.
Implementation Method 1
the receptacles are designed as slots... the insertion tool being positioned on the needle bed and the knitting tools being transferred into the grooves using the insertion tool
Data Source
Figure 1~3
AI summary
A method for loading a bar of a warp knitting machine with knitting tools (2) is described, in which the knitting tools (2) are inserted into grooves (3) of a needle bed (4) of the bar, the grooves (3) having a predetermined pitch. The aim is to achieve high productivity of the warp knitting machine. For this purpose, it is provided that knitting tools (2) are used which are held in receptacles (6) of an insertion tool (1) having the predetermined pitch, wherein the insertion tool (1) is positioned on the needle bed (4) and the knitting tools (2) are transferred into the grooves (3) by means of the insertion tool (1). The insertion tool (1) has a body (5) which has receptacles (6) with a predetermined pitch, wherein the body (5) is made of a plastic material and the receptacles (6) are designed as slots.