Material Web Welding Chassis With Telescopic Heater Positioning
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Solution Overview
Problem
Existing welding machines for thermal joining of material webs face challenges in maintaining stability near edges, often obstructing work due to support wheels, and require complex maintenance, which complicates operation and increases manufacturing complexity.
Innovation Solution
A welding machine with a telescopic extension for the heating device and guide rollers, allowing for adjustable positioning and protection within the housing, reducing maintenance needs and enhancing ergonomic operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If support wheels are positioned as far apart as possible to increase stability, then stability is improved, but the support wheels obstruct work near edges
Solution Approach 1:
The support wheels are made movable rather than fixed, allowing them to be dynamically repositioned. The support frame can be tilted to transfer the support wheels from a first position (protruding laterally for stability) to a second position (retracted for edge work), resolving the contradiction between stability and adaptability to different work conditions
2Adaptability or versatility
If the heating device is fixed in position, then structural simplicity is maintained, but the machine cannot adapt to different welding positions
Solution Approach 1:
The telescopic extension uses a nested structure where one tube is inserted into another, allowing the heating device to be extended or retracted along the longitudinal axis. This nesting principle provides adjustable positioning capability while keeping the added complexity minimal and space-efficient
3Ease of operation
If components are exposed for easy access, then ease of operation is improved, but maintenance requirements increase
Solution Approach 1:
The support frame's tiltable design dynamically changes component accessibility. During operation, the frame can be tilted to expose components for easy access. During maintenance, the same tilting mechanism allows components to be repositioned for servicing, thus improving ease of operation without permanently increasing maintenance complexity
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
The telescopic extension design improves stability near edges, reduces maintenance requirements, and simplifies operation by protecting components, enhancing reliability and safety.
Implementation Method 1
a heating device for at least partially heating the material webs to be joined in a joining area
Implementation Method 2
The telescopic extension has an axle, with the heating device fixedly attached to the axle of the telescopic extension. In the extended position, the axle is pulled out of the housing of the support frame, and in the retracted position, it is received by the housing of the support frame.
Data Source
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AI summary
The present invention relates to a welding machine (1) for thermally joining material webs, in particular for edge-to-edge joining of an overlapping upper material web with a lower material web, which can be bonded together by heat and subsequent pressure, comprising: a heating device (10) for at least partially heating the material webs to be joined in a joining area; a support frame (61) with a housing (62); a pressure roller (21); at least two guide rollers (23, 24); wherein the pressure roller (21) and the guide rollers (23, 24) are arranged on the support frame (61) and together with the support frame form a chassis (20), wherein the chassis (20) has a longitudinal axis and a transverse axis perpendicular to it, which define a chassis plane;wherein the heating device (10) is movably arranged relative to the support frame (61) by means of a telescopic extension (70, 80) in directions parallel to the transverse axis; wherein the first guide roller (24) and the heating device (10) are arranged on opposite sides of the chassis (20) with respect to a longitudinal center of the chassis. The present invention further relates to an associated method.