Structural Composition
- Base and Support Frame: The base is made of steel, serving as the foundation of the welding roller frame. It has strong load-bearing capacity and is used to stably support other components. The support frame connects the base with other assemblies, enhancing overall stability and ensuring smooth operation.
- Driving Wheels and Driven Wheels: The driving wheels are powered by an electric motor through a transmission device to provide rotational force; the driven wheels rotate following the driving wheels to drive the workpiece to rotate. Both are placed horizontally to ensure the horizontal rotation of the workpiece.
- Rollers: They are in direct contact with the workpiece and are usually made of wear-resistant materials such as polyurethane and nitrile rubber, which have good friction performance and load-bearing capacity. The number and arrangement of rollers are diverse, with common types including three-roller frames and four-roller frames.
- Electric Motor and Control System: The electric motor is the power source. The control system includes speed regulators, switching devices, frequency converters, etc., which are used to adjust the working state of the motor and realize the control of the rotation speed and direction of the workpiece.
- Electric Motor and Control System: The electric motor is the power source. The control system includes speed regulators, switching devices, frequency converters, etc., which are used to adjust the working state of the motor and realize the control of the rotation speed and direction of the workpiece.
- Adjusting Device and Safety Protection Device: The adjusting device can manually or electrically adjust the spacing, height, and position of the rollers to ensure the stable placement and rotation of the workpiece. The safety protection device includes protection devices to prevent motor overload, overheating protection systems, etc.
Working Principle
- The roller frame relies on the free swing of the roller pairs to automatically adjust the center distance of the rollers within a specified range, ensuring that the cylindrical welded parts are placed stably.
- It is driven by a DC motor powered by a silicon-controlled rectifier, realizing stepless speed regulation with a wide welding speed range and stable speed.
- The friction between the driving rollers and the welded parts is used to drive the workpiece to rotate. When matched with welding manipulators and welding power sources, it can realize the welding of internal and external longitudinal seams as well as internal and external circumferential seams of the workpiece.
