Continuous Body Folding Device Friction Reduction
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Solution Overview
Problem
In continuous body folding devices, frictional resistance from the folding reference point bar disrupts the conveyance and folding process, leading to phase shifts between regions, making it difficult to stabilize the operation of folding a continuous body.
Innovation Solution
A continuous body folding device and method that utilize a conveying part with a moving surface and endless belts moving in synchronization with the conveyance direction, reducing friction and stabilizing the folding process by adjusting the angle between regions through guide members and belts moving in the same direction as the continuous body.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a folding reference point bar is used to fold the continuous body, then the folding function is achieved, but frictional resistance disrupts the conveyance state and causes phase shifts
Solution Approach 1:
A variable roller is introduced as an intermediary component between the reference roller and the folding reference point bar. This variable roller acts as a mediator that can adjust its pressing force to compensate for frictional resistance at the folding reference point bar, thereby maintaining stable conveyance and preventing phase shifts while enabling reliable folding operation.
Solution Approach 2:
The pressing force of the variable roller is made adjustable through a position changing section that can change the position of the variable roller in the conveyance direction. By dynamically changing the pressing force parameter, the system can compensate for variations in frictional resistance and maintain stable conveyance state during the folding process.
2Manufacturing precision
If frictional resistance is reduced at the folding reference point bar, then phase shifts are minimized, but additional adjustment mechanisms are required
Solution Approach 1:
The position changing section provides a simple mechanical means to adjust the pressing force of the variable roller by changing its position in the conveyance direction. This parameter adjustment approach achieves precise phase shift control through a relatively simple adjustment mechanism, avoiding the need for complex control systems.
Solution Approach 2:
The system incorporates a detection section that detects the conveyance state of the continuous body and provides feedback to the position changing section. This feedback mechanism enables automatic adjustment of the variable roller position to maintain optimal pressing force, achieving precise phase shift control while automating the adjustment process.
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 solution effectively reduces frictional resistance and stabilizes the folding operation by ensuring the endless belts move in sync with the continuous body, allowing for precise and stable folding along an imaginary line, thereby eliminating phase shifts and improving the folding process.
Implementation Method 1
a conveying part (41) that has a moving surface moving with the first region (2a) of the continuous body (2) suction-held thereon
Implementation Method 2
The first endless belt (31) moves, in the first reference segment (31x), in the same direction as the moving direction of the movement of the moving surface (42a) at the same speed as a moving speed of the movement of the moving surface (42a)
Data Source
AI summary
A continuous body folding device includes a conveying part having a moving surface that moves while suctioning and holding a first region of a continuous body, the conveying part conveying the continuous body in the longitudinal direction thereof; a first folding reference part in which a first endless belt, which moves in a first circulatory pathway along a first virtual plane including the moving surface, moves along a first reference segment adjacent to a virtual line of the continuous body in the same direction at the same speed as the moving surface; and first guiding members that are disposed along the first reference segment, contact a second region of the continuous body, and fold the continuous body along the virtual line and move the second region toward the first region so that the angle formed by the first and second regions becomes smaller as the continuous body is conveyed downstream.