阅读说明：本技术 箱体升降式真空吸水箱 (Box body lifting type vacuum suction box ) 是由 李庆祝 于 2020-06-18 设计创作，主要内容包括：本发明涉及造纸领域,具体说是一种箱体升降式真空吸水箱,主要由导入辊、导出辊、端面密封条、轴向密封条、箱体、升降装置组成,箱体是一个顶面轴向开孔的容器,与真空管路连通,轴向开孔的两侧安装轴向密封条,两侧轴向密封条的外侧分别安装导入辊和导出辊,导入辊和导出辊的轴线与轴向开孔的轴线平行,箱体轴向开孔的两端装有端面密封条,轴向密封条和端面密封条都安装于箱体开口侧的外表面上,箱体的两端安装升降装置,箱体通过升降装置与纸机的机架联结。本发明的箱体可通过升降装置降低吸水箱位置,利用导入辊和导出辊支撑网毯,大幅度减少网毯和密封条的之间的滑动摩擦,从而减少网毯的磨损、降低因网毯滑动摩擦而产生的功率消耗。(The invention relates to the field of papermaking, in particular to a box body lifting type vacuum suction box which mainly comprises a guide-in roller, a guide-out roller, end face sealing strips, axial sealing strips, a box body and a lifting device, wherein the box body is a container with an axial hole in the top surface and is communicated with a vacuum pipeline, the axial sealing strips are arranged on two sides of the axial hole, the guide-in roller and the guide-out roller are respectively arranged on the outer sides of the axial sealing strips on the two sides, the axial lines of the guide-in roller and the guide-out roller are parallel to the axial line of the axial hole, the end face sealing strips are arranged on two ends of the axial hole of the box body, the axial sealing strips and the end face sealing strips are arranged on the outer surface of the opening side of the box body, the lifting device is arranged on two ends of the box body, and the box body is connected with a frame of a paper machine through the lifting device. The box body of the invention can lower the position of the suction box through the lifting device, and the guide-in roller and the guide-out roller are utilized to support the net blanket, thereby greatly reducing the sliding friction between the net blanket and the sealing strip, further reducing the abrasion of the net blanket and reducing the power consumption caused by the sliding friction of the net blanket.)

1. The utility model provides a box over-and-under type vacuum suction box, mainly by leading-in roller, derive the roller, the end face seal strip, the axial seal strip, the box, elevating gear constitutes, the box is the container of a top surface axial trompil, communicate with vacuum pipeline, the both sides installation axial seal strip of box surface axial trompil, leading-in roller and derivation roller are installed respectively to the outside of both sides axial seal strip, the axis of leading-in roller and derivation roller is parallel with the axis of axial trompil, the end face seal strip is equipped with at the both ends of box axial trompil, axial seal strip and end face seal strip are all installed on the surface of box opening side, a serial communication port: and the two ends of the box body are provided with lifting devices, and the box body is connected with a frame of the paper machine through the lifting devices.

2. The suction box of claim 1, wherein: the leading-in roller and the leading-out roller mainly comprise roller bodies and bearing supporting devices, and the roller bodies can rotate around the axis under the support of the bearing supporting devices.

Technical Field

The invention relates to the field of papermaking, in particular to a box body lifting type vacuum suction box.

Background

Suction boxes are important equipment of paper machines, commonly used in the wire and press sections of paper machines, primarily for dewatering the paper sheet or cleaning the paper clothing. The main box body is a container with an axial hole on the top surface, and is fixed on a frame of a paper machine, the box body is communicated with a vacuum pipeline, the vacuum box panel made of wear-resistant materials is installed on the axial hole on the top surface of the box body, the surface of the vacuum box panel is contacted with a paper-making mesh blanket, and a vacuum suction channel is arranged in the panel and is used for sucking water vapor from paper pages or the mesh blanket so as to achieve the purpose of paper page dehydration or mesh blanket cleaning.

In normal production, the clothing of paper machine is in high-speed running state, and the papermaking clothing passes through the negative pressure adsorption of vacuum box and adsorbs on vacuum box panel surface, is in the slip friction state of face contact below the certain pressure all the time between vacuum box panel and the papermaking clothing, and this kind of face can lose clothing and sealing strip with the slip friction of face contact, reduces the life-span of clothing and sealing strip, leads to the power consumption of clothing operation great simultaneously.

Disclosure of Invention

In order to prolong the service life of the mesh blanket and reduce the power consumption of the mesh blanket operation, the invention provides a box body lifting type vacuum suction box, the suction box has small friction with the papermaking mesh blanket during the operation of a paper machine, the power consumption is low, and the service life of the papermaking mesh blanket can be prolonged.

The technical scheme adopted by the invention for solving the technical problems is as follows: the invention mainly comprises a guide-in roller, a guide-out roller, end face sealing strips, axial sealing strips, a box body and a lifting device, wherein the box body is a container with an axial hole on the top surface and is communicated with a vacuum pipeline, the axial sealing strips are arranged on two sides of the axial hole on the surface of the box body, the guide-in roller and the guide-out roller are respectively arranged on the outer sides of the axial sealing strips on the two sides, the guide-in roller and the guide-out roller mainly comprise roller bodies and bearing supporting devices, and the roller bodies can rotate around an axis under the support of the bearing supporting devices. The axial lines of the leading-in roller and the leading-out roller are parallel to the axial line of the axial opening, end face sealing strips are arranged at two ends of the axial opening of the box body, the axial sealing strips and the end face sealing strips are arranged on the outer surface of the opening side of the box body, lifting devices are arranged at two ends of the box body, and the box body is connected with a frame of the paper machine through the lifting devices.

The box body can lower the position of the suction box through the lifting device, and the guide-in roller and the guide-out roller are used for supporting the net blanket, so that the sliding friction between the net blanket and the sealing strip is greatly reduced, the abrasion of the net blanket is reduced, and the power consumption caused by the sliding friction of the net blanket is reduced. .

Drawings

The invention is further illustrated with reference to the following figures and examples.

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

In the figure, 1 is a leading-in roller, 2 is a leading-out roller, 3 is an axial sealing strip, 4 is a box body, 5 is a frame, 6 is an axial hole, 7 is a support, 8 is a diaphragm cylinder, 9 is a support, and 10 is a mesh blanket.

Detailed Description

As shown in the specific embodiment shown in FIG. 1, the device is horizontally installed on a paper machine and mainly comprises a leading-in roller 1, a leading-out roller 2, end face sealing strips, axial sealing strips 3, a box body 4 and a lifting device, wherein an axial opening 6 is formed in the top surface of the box body 4 and is communicated with a vacuum pipeline, the axial sealing strips 3 are installed on two sides of the axial opening 6 in the surface of the box body 4, the leading-in roller 1 and the leading-out roller 2 are respectively installed on the outer sides of the axial sealing strips on the two sides, and the leading-in roller 1 and the leading-out roller 2 are installed on a frame 5 of the paper machine. The axes of the leading-in roller 1 and the leading-out roller 2 are parallel to the axis of the axial opening, end face sealing strips are arranged at two ends of the axial opening 6 of the box body, the axial sealing strips 3 and the end face sealing strips are arranged on the upper surface of the box body 4, and two ends of the box body 4 are connected with a frame of the paper machine through a lifting device. The lifting device mainly comprises a support 7 and a diaphragm cylinder 8, the support 7 is of a frame structure with a bottom plate, the support 7 is fixed on the frame 5 of the paper machine through the bottom plate, supports 9 at two ends of the box body 4 are inserted into the support frame, the supports 9 and the support frame are in clearance fit, the supports 9 can move up and down in the frame, and the diaphragm cylinder 8 is installed between the supports 9 and the bottom plate of the support 7.

In the embodiment, two ends of the box body 4 are connected with the frame 5 of the paper machine through the membrane cylinder 8 and the support 7, the membrane cylinder 8 is ventilated, the membrane cylinder 8 drives the box body 4 to ascend through the support 9, the sealing strip 3 on the box body is contacted with the papermaking clothing 10, a vacuum system of the vacuum box is started, and the papermaking clothing 10 is adsorbed on the surface of the sealing strip 3 of the vacuum box; then, the membrane cylinder 8 is decompressed, the vacuum box with the net blanket 10 falls, on the premise of ensuring the sealing performance between the surface of the sealing strip 3 and the net blanket 10, the tension of the net blanket 10 and the vacuum suction force of the vacuum box to the net blanket reach a balanced state or a state close to the balanced state, the pressure between the net blanket 10 and the sealing strip 3 is transferred to the guide-in roller 1 and the guide-out roller 2, the sliding friction force between the net blanket 10 and the sealing strip 3 is greatly reduced, the abrasion of the sealing strip 3 to the net blanket 10 is reduced, and the running power consumption of the net blanket 10 is also greatly reduced.