Hinged Cross Beam Mounting for Weaving Machine Vibration Control
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Solution Overview
Problem
Weaving machines experience vibrations and reduced component lifespan due to cyclic loads and deformations of lateral frames, which affect the quality of the woven product and efficiency of the weaving process, particularly at high operating speeds and loads.
Innovation Solution
The cross beam is hingedly connected to an attachment element with a hinge pin aligned along its axis of inertia, and optionally features a connecting element with an attenuating device like a spring or cylinder, or is mounted with a ball-and-socket joint to allow for relative movement and absorb deformations, reducing the transmission of vibrations to the cross beam.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If cross beams are rigidly connected to lateral frames, then structural strength is improved, but vibrations and deformations increase
Solution Approach 1:
The patent applies the dynamics principle by replacing rigid fixed connections with hinge connections that allow controlled movement. The hinge connection enables the cross beam to rotate relative to the lateral frame, absorbing vibrations and deformations dynamically rather than transmitting them rigidly, thus maintaining structural strength while reducing harmful vibrations.
Solution Approach 2:
The hinge connection acts as an intermediary element between the lateral frame and the cross beam. It mediates the force transmission by allowing rotational movement, thereby decoupling the vibration sources from the cross beam while still providing structural support, thus resolving the contradiction between strength and vibration reduction.
2Stability of the object's composition
If lateral frames are made stronger to reduce deformations, then stability is improved, but machine size and cost increase
Solution Approach 1:
Instead of increasing the size and complexity of lateral frames to reduce deformations, the patent uses dynamic hinge connections that allow the structure to adapt to loads. The hinge enables controlled deformation absorption without requiring larger or more complex frame structures, maintaining stability while avoiding increased machine size.
3Object-affected harmful factors
If hinge pin is aligned along axis of inertia, then vibration transmission is reduced, but manufacturing precision requirements increase
Solution Approach 1:
The patent applies parameter changes by optimizing the hinge pin orientation to align with the axis of inertia of the cross beam. This specific geometric parameter alignment minimizes vibration transmission by ensuring that the hinge rotation occurs along the principal axis, reducing unwanted lateral vibrations. The manufacturing precision requirement is a practical consideration for achieving this optimal parameter alignment.
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 design minimizes the deformation and vibration of the cross beam, thereby reducing material loss and improving the quality and stability of the woven product while extending the service life of machine components without increasing the machine's size or cost.
Implementation Method 1
at least one lateral frame of the weaving machine comprises at least one attachment element which is hingedly connected to the cross beam
Implementation Method 2
a connecting element with an attenuating device like a spring or cylinder
Implementation Method 3
an attenuating device like a spring or cylinder
Implementation Method 4
an attenuating device like a spring or cylinder
Implementation Method 5
mounted with a ball-and-socket joint to allow for relative movement
Data Source
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AI summary
The present invention relates to a weaving machine comprising at least one cross beam (2) which is carried and/or supported by at least two lateral frames (1) of the weaving machine, in which the relative movement of the cross beam (2) with respect to the lateral frames (1) has at least one degree of freedom as a result of deformations of the lateral frames (1), as a result of which the deformations of the cross beam arc smaller than the deformations of the lateral frame (1) on the connection surface with the cross beam. The claimed degree of freedom allows one or more lateral frames (1) to deform, without the cross beam (2) having to follow the entire deformation. This means that the cross beam (2) of the weaving machine according to the present invention will deform and vibrate to a lesser degree than in known weaving machines.