Air Conditioning Pipe Bending with Adjustable Roller Spacing
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Solution Overview
Problem
Existing air conditioning pipe bending devices are limited by the geometry of the counter-holding roller, requiring manual adjustments or changes to achieve different bending radii, and the connection of the pipe to reinforcement devices is complex and not adequately secured during the bending process.
Innovation Solution
The device allows adjustable positioning of the bending roller and counter-holding roller relative to each other, with a movement-coupled connection device for securing the pipe to a reinforcement device, enabling flexible bending radii and automated fixation during the process.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the counter-holding roller geometry is fixed, then the bending radius is limited to a single value, but changing the counter-holding roller is complex and time-consuming
Solution Approach 1:
The invention makes the previously static counter-holding roller position dynamic by enabling continuous adjustment of the center distance between the bending roller and counter-holding roller during the bending process. This allows the bending radius to be varied without changing the counter-holding roller itself, resolving the contradiction between adaptability and device complexity.
Solution Approach 2:
The invention changes the geometric parameter (center distance) between the bending roller and counter-holding roller to achieve different bending radii. By adjusting this parameter continuously, the system can produce multiple bending radii with the same roller geometry, eliminating the need to change rollers and reducing device complexity.
2Reliability
If manual securing of bent air conditioning pipes is used, then fixation during post-processing is achieved, but the process requires manual intervention and is time-consuming
Solution Approach 1:
The invention implements self-service by enabling the air conditioning pipe to be automatically secured to the reinforcement device during the bending process itself. The connection device automatically positions and secures the pipe, eliminating the need for subsequent manual intervention and maintaining reliable fixation throughout post-processing.
Solution Approach 2:
The invention performs the securing action preliminarily during the bending process rather than afterward. The connection device fastens the air conditioning pipe to the reinforcement device while bending is occurring, ensuring fixation is established before post-processing begins and eliminating manual intervention.
3Reliability
If the connection device is stationary relative to the bending mechanism, then the structure is simple, but the air conditioning pipe cannot be adequately secured during the bending process
Solution Approach 1:
The invention merges the connection device with the moving base body, creating a unified structure where both the bending mechanism and connection device share the same movable platform. This integration ensures the connection device moves synchronously with the bending rollers, providing reliable pipe fixation during bending while avoiding the complexity of independent positioning systems.
Solution Approach 2:
The moving base body acts as an intermediary that couples the motion of the bending rollers with the connection device. By mounting both components on the same movable base body, the system ensures synchronized movement and reliable pipe securing without requiring complex independent control mechanisms.
Data Source
Figure 1a~1c
Figure 2a~2b
Figure 3a~3b
AI summary
Bending device (1) for automatically bending an air conditioning pipe (2), preferably an air conditioning hose, comprising - a base body (3) which is movable relative to a machine frame (32), on which at least one bending roller (4) and at least one counter-holding roller (5) are mounted in a movement-coupled manner, and - a movement device (6) for freely moving the base body (3) within a movement plane (7) which is horizontally oriented in the use position of the bending device (1), preferably by means of translational movements in two bidirectional spatial directions, wherein on the base body (3) - the at least one bending roller (4) and the at least one counter-holding roller (5) are adjustable in a relative positioning to one another on the base body (3) and/or - at least one connection device (8) for fastening the air conditioning pipe (2) to a reinforcement device (9), preferably a reinforcement mat,is arranged in a movement-coupled manner with the at least one bending roller (4) and the at least one counter-holding roller (5).