CN213267320U

CN213267320U - Vacuum press roll for paper machine

Info

Publication number: CN213267320U
Application number: CN202021913369.9U
Authority: CN
Inventors: 肖玮; 李宗群
Original assignee: Jiangsu Zhengwei Machinery Co ltd
Current assignee: Jiangsu Zhengwei Machinery Co ltd
Priority date: 2020-09-04
Filing date: 2020-09-04
Publication date: 2021-05-25
Anticipated expiration: 2030-09-04

Abstract

The utility model discloses a roller is squeezed in vacuum for paper machine, including the squeezer cylinder, the both ends of squeezer cylinder all are provided with the roll connection spare, through screw sealing connection between roll connection spare and the squeezer cylinder, and the one end fixedly connected with manometer of roll connection spare, the locating part has been cup jointed in the outside of roll connection spare, rotate between locating part and the roll connection spare and be connected, and the inboard of locating part is provided with the bearing, the bearing is through cup jointing mode and roll connection spare fixed connection, the one end of roll connection spare is provided with water drainage spare, fixed connection between water drainage spare and the roll connection spare. Through mutually supporting between squeezer cylinder, the roll connecting piece that sets up and the drainage piece to can realize the effect of high-speed dehydration, and can let its fixed more convenient through the fixed plate that sets up, the drainage piece through setting up can in time be with the moisture of absorption in the squeezer cylinder in time discharging, and then can let it carry out the continuous dehydration operation.

Description

Vacuum press roll for paper machine

Technical Field

The utility model relates to a papermaking equipment technical field specifically is a roller is squeezed in vacuum for paper machine.

Background

Vacuum pressing is widely used in medium and high speed paper machines. The upper press roll of the vacuum press is a stone roll, and the lower press roll is a vacuum press roll; the construction of the vacuum press roll is substantially the same as that of a vacuum couch roll, the roll shell is cast from bronze or stainless steel, and the thickness of the roll shell is determined by the required stiffness and strength.

The roll shell of the existing vacuum press roll is relatively thick, so that during high-speed papermaking, moisture of a felt and wet paper is sucked out, passes through holes on the roll, almost reaches a vacuum chamber, rotates through a vacuum water suction area, is thrown into a white water tray by the centrifugal force of the roll, and further influences the dewatering efficiency of the press roll.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a roller is squeezed in vacuum for paper machine aims at improving the current roller shell that the roller is squeezed in vacuum relatively thicker to lead to when high-speed papermaking, after the moisture of woollen blanket and wet paper is by the suction, the eyelet on the roller, nearly not reach and just change the vacuum water absorption district in the real empty room, then throw into the plain boiled water disk by the centrifugal force of roller, and then influence the problem of squeezing the dewatering efficiency of roller.

The utility model discloses a realize like this:

the utility model provides a roller is squeezed in vacuum for paper machine, including the squeezer cylinder, the both ends of squeezer cylinder all are provided with the roll connection spare, through screw sealing connection between roll connection spare and the squeezer cylinder, and roll connection spare's one end fixedly connected with manometer, the locating part has been cup jointed in the outside of roll connection spare, rotate between locating part and the roll connection spare and be connected, and the inboard of locating part is provided with the bearing, the bearing is through cup jointing mode and roll connection spare fixed connection, roll connection spare's one end is provided with drainage member, fixed connection between drainage member and the roll connection spare, and link up each other between drainage member and the roll connection spare.

Further, the bottom of locating part is provided with the supporting leg, fixed connection between supporting leg and the locating part, and the bottom fixedly connected with fixed plate of supporting leg, sets up like this and is for letting the utility model discloses a fixed more convenient, and then can let it when the equipment, prevent that its position from taking place to remove.

Further, the side of drainage piece is provided with the outlet pipe, fixed connection between outlet pipe and the drainage piece, and link up each other between outlet pipe and the drainage piece, is for the convenience of timely moisture with the absorption in the squeezer cylinder in time discharges through setting up like this, and then can let it realize the operation of continuous dehydration.

Further, the one end of outlet pipe is provided with the clamping ring, through welding mode fixed connection between clamping ring and the outlet pipe, and the side of clamping ring runs through and has seted up the fixed orifices, and it is more convenient for letting out being connected of water pipe and water pipe through setting up like this, and the leakproofness is also better simultaneously.

Furthermore, the rubber layer wraps the outer side of the squeezer roller, and the thickness of the rubber layer is-mm, so that the pressure distribution is uniform in the dewatering process, the wear of the blanket is reduced, and the pressure of the squeezing line is improved.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model has the characteristics of rational in infrastructure, convenient to use, through mutually supporting between the squeezer cylinder that sets up, roll connector and the drainage piece to can realize the effect of high-speed dehydration, and can let its fixed more convenient through the fixed plate that sets up, the drainage piece through setting up can in time be with the moisture of absorption in the squeezer cylinder in time discharge, and then can let it carry out the continuous dehydration operation.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic structural view of a vacuum press roll for a papermaking machine according to the present invention;

fig. 2 is a cross-sectional view of a vacuum press roll for a paper machine of the present invention.

In the figure: 1. a press drum; 2. a drum connecting member; 21. a pressure gauge; 3. a drainage member; 31. a water outlet pipe; 311. a connecting ring; 4. a limiting member; 41. supporting legs; 411. a fixing plate; 5. and a bearing.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 and 2, a vacuum press roll for a paper machine includes a press roller 1, wherein a rubber layer is wrapped on the outer side of the press roller 1, and the thickness of the rubber layer is 30-40 mm, so as to prevent uniform pressure distribution in the dewatering process, reduce wear of a felt, and increase the pressure of a press line; the two ends of the presser roller 1 are both provided with roller connecting pieces 2, the roller connecting pieces 2 are hermetically connected with the presser roller 1 through screws, one end of each roller connecting piece 2 is fixedly connected with a pressure gauge 21, the outer side of each roller connecting piece 2 is sleeved with a limiting piece 4, the limiting pieces 4 are rotatably connected with the roller connecting pieces 2, the bottom of each limiting piece 4 is provided with a supporting leg 41, the supporting leg 41 is fixedly connected with the limiting piece 4, and the bottom of each supporting leg 41 is fixedly connected with a fixing plate 411; a bearing 5 is arranged on the inner side of the limiting piece 4, the bearing 5 is fixedly connected with the roller connecting piece 2 in a sleeving manner, a water discharging piece 3 is arranged at one end of the roller connecting piece 2, the water discharging piece 3 is fixedly connected with the roller connecting piece 2, and the water discharging piece 3 is communicated with the roller connecting piece 2; the side surface of the drainage member 3 is provided with the water outlet pipe 31, the water outlet pipe 31 is fixedly connected with the drainage member 3, and the water outlet pipe 31 is communicated with the drainage member 3, so that the water absorbed in the presser roller 1 can be timely drained conveniently, and the continuous dewatering operation can be realized; the one end of outlet pipe 31 is provided with clamping ring 311, through welding mode fixed connection between clamping ring 311 and the outlet pipe 31, and the side of clamping ring 311 runs through and has seted up the fixed orifices, and it is more convenient for letting being connected of outlet pipe 31 and water pipe through setting up like this, and the leakproofness is also better simultaneously.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A suction press roll for paper machines, comprising a press drum (1), characterized in that: the both ends of squeezer cylinder (1) all are provided with roll connection spare (2), through screw sealing connection between roll connection spare (2) and squeezer cylinder (1), and the one end fixedly connected with manometer (21) of roll connection spare (2), locating part (4) have been cup jointed in the outside of roll connection spare (2), rotate between locating part (4) and roll connection spare (2) and be connected, and the inboard of locating part (4) is provided with bearing (5), bearing (5) are through cup jointing mode and roll connection spare (2) fixed connection, the one end of roll connection spare (2) is provided with drainage member (3), fixed connection between drainage member (3) and roll connection spare (2), and link up each other between drainage member (3) and roll connection spare (2).

2. A vacuum press roll for a paper machine according to claim 1, characterized in that the bottom of the limiting member (4) is provided with a supporting leg (41), the supporting leg (41) and the limiting member (4) are fixedly connected, and the bottom end of the supporting leg (41) is fixedly connected with a fixing plate (411).

3. A press roll for paper machines according to claim 1, characterized in that the side of the drainage member (3) is provided with a water outlet pipe (31), the water outlet pipe (31) and the drainage member (3) are fixedly connected, and the water outlet pipe (31) and the drainage member (3) are communicated with each other.

4. The vacuum press roll for the paper machine according to claim 3, characterized in that one end of the water outlet pipe (31) is provided with a connecting ring (311), the connecting ring (311) and the water outlet pipe (31) are fixedly connected by welding, and a fixing hole is formed through the side surface of the connecting ring (311).

5. The vacuum press roll for the paper machine according to claim 1, characterized in that the outer side of the press roller (1) is wrapped by a rubber layer, and the thickness of the rubber layer is 30-40 mm.