Static-pressure sectional controllable spreader

Abstract

The invention relates to a static-pressure sectional controllable spreader, which belongs to the technical field of paper making machinery and comprises a static-pressure sectional controllable roll, a backup roll, a feeding roll, an arc-shaped roll, a spreading groove, a flow guide plate, a framework and the like. The backup roll is mounted on the upper portion of the framework by a bearing, the static-pressure sectional controllable roll is mounted on one side of the backup roll, the arc-shaped roll is mounted on the other side of the backup roll, the feeding roll is mounted on the lower portion of the backup roll, the static-pressure controllable roll and the feeding roll are respectively meshed with the backup roll, and the flow guide plate and the spreading groove are mounted on one side of the feeding roll. The static-pressure sectional controllable roll replaces a scraper beam or scraper bar, the static-pressure sectional controllable spreader is supplemented with a control device, precision adjustment is realized, the horizontal spreading quantity can be controlled, paper loss and paper breakage are avoided, the quality of a product is good, the static-pressure sectional controllable spreader is high in production efficiency and convenient in operation, and cost is saved. In addition, the static-pressure sectional controllable spreader solves the problems that in the prior art, paper cannot be dried easily and buckles due to uneven horizontal spreading quantity, damage to parts is severe, and production efficiency and the quality of a paper machine are seriously affected, and paper loss and paper breakage are often caused.

Description

technical field [0001] The invention relates to a static pressure partition controllable coater, which belongs to the technical field of papermaking machinery. Background technique [0002] The application and metering system, called the coating head, also known as the applicator, is the heart of the coating machine, and the quality of the coated paper is mainly determined by the applicator. There are many types of applicators, and the currently widely used applicator models include air knife type, squeeze roll type, scraper type, scraper rod type, etc. [0003] There are two traditional metering methods for the blade coater: one is equipped with a blade beam that manually adjusts the coating amount of the banner, and the scraper blade is in contact with the back roller. The differential adjustment lever for cloth quantity can manually adjust the uniformity of horizontal coating. The other is through a closed-loop control system, and an electric adjustment device is arrang...

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Problems solved by technology

[0005] The purpose of the present invention is to provide a static pressure partition controllable roller instead of a scraper beam or a scraper bar, supplemented by a control device, to achieve precise adjustment and control of the coating amount of the banner, to avoid paper damage and paper breakage, and to achieve good product quality. , high production efficiency, cost saving, and convenient operation; solve the problem that the uneven coating amount of the banner in the existing technology causes the coating to be difficult to dry and cause wrinkles on the paper sheet, which causes great loss to the machine parts and seriously affects the production efficiency and quality of the paper machine , and the static pressure partition controllable coater that often has the problem of paper breakage and paper breakage

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