[Chinese Packaging Network News] The current sizing device used in corrugating machines typically includes a sizing assembly wall plate, a sizing roller, and another sizing roller. This assembly is supported on horizontal guide rails by its own weight and is pressed against the lower corrugating roller using a cylinder or hydraulic cylinder. As the machine operates, the sizing roller moves closer to the lower corrugating roller, allowing the corrugated paper to be fed through. However, this traditional design often causes vibrations during operation due to the movement along the rails, making it difficult to maintain consistent sizing quality and affecting the overall performance of the corrugated board.
To address these issues, a new and improved sizing device for corrugating machines has been developed. This innovative system is designed to minimize vibration during operation, thereby enhancing the accuracy and consistency of the sizing process. The device consists of a sizing assembly wallboard, a sizing roller mounted on the wallboard, a control roller, and a corrugating roller assembly that works in conjunction with the sizing roller. The corrugating roller assembly includes a fixed plate with two corrugating rolls, where the first one is connected directly to the sizing roller.
The middle section of the sizing assembly wallboard, away from the sizing roller, is pivotally connected to the machine frame via a roller shaft. A stroke driving mechanism is fixed beneath the roller shaft on the frame, with its actuating end connected to the sizing roller. This mechanism allows the sizing wallboard to rotate around the roller shaft, adjusting the distance between the sizing roller and the first corrugating roller as needed.
The stroke driving mechanism can be implemented using a cylinder, with the piston rod serving as the actuating component. Alternatively, a motor-driven screw system can also be used to achieve precise control over the movement. To ensure accurate alignment between the sizing roller and the first corrugating roller, the centerlines of both rollers are positioned perpendicular to the direction of the paper feed. This alignment significantly improves the sizing quality and ensures even pressure distribution across the corrugated board.
Additionally, the roller shaft is designed as an eccentric type, featuring a central roller body and eccentric connection ends at both ends. These eccentric ends can be rotated by a motor or manually adjusted using a tool, allowing for fine-tuned positioning of the rollers. This feature enhances the flexibility and precision of the sizing process.
Key Features:
(1) The entire sizing assembly, including the wallboard, sizing roller, and other components, is now mounted on the machine frame using a roller shaft and stroke driving mechanism instead of being placed directly on horizontal guide rails. This change significantly reduces vibration, leading to better sizing performance and higher-quality corrugated boards. It also supports high-speed operation and increases production efficiency.
(2) The use of an eccentric roller shaft enables precise adjustment of the alignment between the sizing roller and the first corrugating roller. By fine-tuning the eccentric shaft, the centerlines of the rollers can be perfectly aligned perpendicular to the paper feeding direction, ensuring superior sizing results and enhanced product quality.
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