CN208309292U - A kind of vacuum dryer roller - Google Patents

Abstract

It is disclosed by the utility model to belong to papermaking equipment technical field, specially a kind of vacuum dryer roller, including roll body, the roll body surface is provided with rubber layer, it is uniformly radial on the roll body and rubber layer to offer through-hole, the rubber layer surface is uniformly provided with annular rill, the annular rill width is less than through-hole diameter, the roll body inner cavity is provided with vacuum tank, the first hollow shaft has been bolted to connection on the right side of the roll body, first hollow shaft inner cavity is provided with first case head, first case head left end is connect with vacuum tank, the roll body left end is connected with the second hollow shaft by bolt state surely, second hollow shaft inner cavity is provided with second case head, second case head right end is connect with vacuum tank, the utility model replaces traditional blind hole by opening up annular rill on pressure roller, so as to improve roll body surface percent opening , water capacity is improved, and then improve water separation capability, promotes finished paper aridity, improve production efficiency.

Description

A kind of vacuum dryer roller

Technical field

The utility model relates to papermaking equipment technical field, specially a kind of vacuum dryer roller.

Background technique

Drying cylinder and dryer roller major function are to be dehydrated, dried to paper, solidifying page, while improving page Can, improve the drying capacity of drying section, vacuum dryer roller is the capital equipment cooperated with drying, and modern paper machine is due to higher Speed, use vacuum dryer roller, vacuum dryer roller can be improved dehydration efficiency, improve page quality, reduce squeezing Give page bring adverse effect, in the prior art, usually vacuum dryer roller surface by setting blind hole and through-hole come The drying and dehydrating effect for improving page, although the blind round hole of minor diameter has certain water separation capability, since aperture is small, internal There are air, contained air, when into pressure area, the air in blind hole can hinder the entrance of water, influence the water capacity of blind hole, The further dehydration efficiency for influencing blind hole, when leaving pressure area, air can reply normal pressure in blind hole, so as to push in blind hole Moisture discharge, even if the moisture in blind hole will not be discharged, under the action of roll body centrifugal force to influence circle The water capacity of shape blind hole directly influences the dehydration efficiency of carrying roller, so that finished paper aridity is not high, influences page matter Amount reduces production efficiency, for this purpose, it is proposed that a kind of vacuum dryer roller.

Utility model content

The purpose of this utility model is to provide a kind of vacuum dryer rollers, mentioned above in the background art existing to solve Have in technology, usually acted in the drying and dehydrating that page is improved on vacuum dryer roller surface by setting blind hole and through-hole, Although the blind round hole of minor diameter has certain water separation capability, since aperture is small, internal there are air, contained air, When into pressure area, the air in blind hole can hinder the entrance of water, influence the water capacity of blind hole, the further dehydration for influencing blind hole Efficiency, when leaving pressure area, air can reply normal pressure in blind hole, so as to push the moisture in blind hole to be discharged, even if in roller Under the action of body centrifugal force, the moisture in blind hole will not be discharged, so that the water capacity of blind round hole is influenced, direct shadow The dehydration efficiency for arriving carrying roller is rung, so that finished paper aridity is not high, the problem of influencing page quality.

To achieve the above object, the utility model provides the following technical solutions: a kind of vacuum dryer roller, including roll body, The roll body surface is provided with rubber layer, and uniform radial direction offers through-hole, the rubber layer surface on the roll body and rubber layer It is uniformly provided with annular rill, the annular rill width is less than through-hole diameter, and the roll body inner cavity is provided with vacuum tank, described It has been bolted to connection the first hollow shaft on the right side of roll body, first hollow shaft inner cavity is provided with first case head, and described the One hollow shaft outer wall is socketed with first bearing, and the first bearing outer wall is fixedly connected with the first support, and first case head is left End is connect with vacuum tank, and first case head outer wall is fixedly connected with the first support, and the roll body left end is connected surely by bolt state It is connected to the second hollow shaft, second hollow shaft inner cavity is provided with second case head, and the second hollow shaft outer wall is socketed with second Bearing, the second bearing outer wall are fixedly connected with the second support, and second case head right end is connect with vacuum tank, and described second Case head outer wall is fixedly connected with the second support.

Preferably, the annular rill depth capacity is less than the thickness of rubber layer.

Preferably, vaccum suction tube is connected on the right side of first case head.

Compared with prior art, the utility model has the beneficial effects that the program on pressure roller by opening up annular rill Traditional blind hole is replaced, so as to improve roll body surface percent opening, water capacity is improved, and then improve water separation capability, promotes finished product The aridity of paper improves production efficiency.

Detailed description of the invention

FIG. 1 is a schematic structural view of the utility model；

Fig. 2 is the utility model A-A cross-sectional view；

Fig. 3 is the utility model roll body and rubber layer attachment structure schematic diagram.

In figure: 1 roll body, 2 rubber layers, 3 second hollow shafts, 4 second bearings, 5 second case head, 6 second supports, 7 vacuum tanks, 8 first supports, 9 first case head, 10 first bearings, 11 first hollow shafts, 12 annular rills, 13 through-holes.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Please refer to Fig. 1-3, the utility model provides a kind of technical solution: a kind of vacuum dryer roller, including roll body 1 are stated 1 surface of roll body is provided with rubber layer 2, and the roll body 1 offers through-hole 13,2 table of rubber layer with uniformly radial in rubber layer 2 Face is uniformly provided with annular rill 12, and annular 12 width of rill is less than 13 diameter of through-hole, and 1 inner cavity of roll body is provided with very Empty van 7 has been bolted to connection the first hollow shaft 11 on the right side of the roll body 1, and 11 inner cavity of the first hollow shaft is provided with First case head 9,11 outer wall of the first hollow shaft are socketed with first bearing 10, and 10 outer wall of first bearing is fixedly connected with One support 8, first case head, 9 left end are connect with vacuum tank 7, and first case head, 9 outer wall is fixedly connected with the first support 8, 1 left end of roll body is connected with the second hollow shaft 3 by bolt state surely, and 3 inner cavity of the second hollow shaft is provided with second case head 5,3 outer wall of the second hollow shaft is socketed with second bearing 4, and 4 outer wall of second bearing is fixedly connected with the second support 6, institute It states second case head, 5 right end to connect with vacuum tank 7, second case head, 5 outer wall is fixedly connected with the second support 6.

Wherein, annular 12 depth capacity of rill is less than the thickness of rubber layer 2, is connected on the right side of first case head 9 Vaccum suction tube.

Working principle: the present apparatus when in use, is mounted on vacuum by the first support 8 and the second support 6 and dried by the program The bottom of cylinder, by the cooperation of first bearing 10 and second bearing 4, makes when paper passes through the pressure area between roll body 1 and drying cylinder The first hollow shaft 11 that 10 inner cavity of first bearing must be plugged on and the second hollow shaft 3 for being plugged on 4 inner cavity of second bearing, realize and turn It is dynamic so that the roll body 1 being connected between the first hollow shaft 11 and the second hollow shaft 3 realizes rotation, in vaccum suction tube and Make vacuum tank 7 keep vacuum under the action of vacuum system, the portion of water on paper under vacuum, by through-hole into Entering in vacuum tank 7, another part is extruded into annular rill 12, under the action of the centrifugal force of roll body 1, it is thrown out of, from And achieve the effect that dehydration.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (3)

1. a kind of vacuum dryer roller, including roll body (1), it is characterised in that: roll body (1) surface is provided with rubber layer (2), Uniformly radial on the roll body (1) and rubber layer (2) to offer through-hole (13), rubber layer (2) surface is uniformly provided with ring Shape rill (12), annular rill (12) width are less than through-hole (13) diameter, and roll body (1) inner cavity is provided with vacuum tank (7), it has been bolted to connection the first hollow shaft (11) on the right side of the roll body (1), the first hollow shaft (11) inner cavity is set It is equipped with first case head (9), the first hollow shaft (11) outer wall is socketed with first bearing (10), first bearing (10) outer wall It is fixedly connected with the first support (8), first case head (9) left end is connect with vacuum tank (7), first case head (9) outer wall It being fixedly connected with the first support (8), roll body (1) left end is connected with the second hollow shaft (3) surely by bolt state, and described second Hollow shaft (3) inner cavity is provided with second case head (5), and the second hollow shaft (3) outer wall is socketed with second bearing (4), and described Two bearings (4) outer wall is fixedly connected with the second support (6), and second case head (5) right end is connect with vacuum tank (7), and described Two casees head (5) outer wall is fixedly connected with the second support (6).

2. a kind of vacuum dryer roller according to claim 1, it is characterised in that: described annular rill (12) depth capacity Less than the thickness of rubber layer (2).

3. a kind of vacuum dryer roller according to claim 1, it is characterised in that: connection on the right side of first case head (9) There is vaccum suction tube.