[Chinese Packaging Network News] The current sizing device used in corrugating machines typically consists of a sizing assembly wall plate, a sizing roller, and another sizing roller. This assembly is supported by horizontal guide rails due to its own weight, and it is pressed against the corrugated paper using a cylinder or hydraulic cylinder. As the machine operates, the sizing roller moves closer to the lower corrugating roller, allowing the corrugated board to be fed through. However, this traditional design often leads to vibrations during operation, which makes it difficult to maintain consistent sizing quality and negatively impacts the overall performance of the corrugation process.
To address these issues, a new and improved sizing device for corrugating machines has been developed. This innovative design effectively minimizes vibration during operation, significantly enhancing the accuracy and quality of the sizing process. The device includes 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 features a fixed plate, with two corrugating rollers mounted on it—where the first corrugating roller is connected 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 installed beneath the roller shaft on the frame, and its moving end is connected to the sizing roller. This mechanism allows the sizing assembly 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 a hydraulic cylinder, with the piston rod serving as the driving end. Alternatively, an electric motor-driven screw mechanism can also be used, offering greater precision and flexibility in operation. This versatility ensures that the device can be adapted to different production environments and requirements.
To ensure precise alignment between the sizing roller and the first corrugating roller, their center lines are positioned perpendicular to the direction of the paper feeding. This alignment enhances the contact and pressure distribution, leading to better sizing results. Additionally, the roller shaft is designed as an eccentric type, featuring a central body and eccentric connection ends at both ends. These eccentric ends can be rotated by a motor or manually adjusted using tools, allowing for fine-tuning of the alignment and further improving the sizing quality.
Key Features:
(1) By mounting the sizing assembly on the machine frame using a roller shaft and stroke drive mechanism instead of relying on horizontal guide rails, the system significantly reduces vibration. This improvement not only enhances the sizing effect but also boosts the overall quality of the corrugated board. It also supports high-speed operations, increasing 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. This allows for optimal positioning relative to the paper feeding direction, resulting in more accurate and uniform sizing, which is crucial for maintaining product quality in high-volume manufacturing settings.
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