CN221118088U

CN221118088U - Press roll structure for papermaking

Info

Publication number: CN221118088U
Application number: CN202322966345.XU
Authority: CN
Inventors: 唐浩
Original assignee: Sichuan Chengfa Paper Machinery Co ltd
Current assignee: Sichuan Chengfa Paper Machinery Co ltd
Filing date: 2023-11-03
Publication date: 2024-06-11
Anticipated expiration: 2033-11-03

Abstract

The utility model discloses a press roller structure for papermaking, which comprises a connecting shaft, wherein a roller is arranged on the outer side of the connecting shaft, a mounting disc is arranged between the connecting shaft and the roller, the mounting disc is fixed on the outer surface of the connecting shaft and is clamped with the roller, the roller is connected with the roller through threads, a mounting ring is arranged in the roller and is fixed on the inner side of the mounting disc, a filter screen is arranged on the outer side of the mounting ring, a clamping block is arranged on the inner side of the filter screen and is connected with the mounting ring, and a supporting rod is arranged on the outer side of the filter screen. The press roller structure for papermaking can be used for dewatering materials for papermaking, and has the advantages of ensuring the stability of a filter screen in the use process and the like compared with the common press roller structure.

Description

Press roll structure for papermaking

Technical Field

The utility model relates to the technical field of papermaking processing, in particular to a press roll structure for papermaking.

Background

The press roll is the main component of the press. The variety of the press rolls is many, the press part of the old paper machine uses a flat press roll, along with the increase of the speed of the paper machine, a vacuum press roll is used, then a grooved press roll is developed, and the forms of a blind hole press roll, a controllable middle-high roll and the like are researched and developed in the 70 th century.

Vacuum press roll adopts vacuum hole dehydration mode operation, thereby relies on high-speed rotation to produce centripetal force and throws away the moisture on the roller, has the screen cloth that can be used for keeping apart in vacuum press roll's inside, and the screen cloth is flexible setting generally, can appear bending deformation after receiving external force, and long-time dehydration work can lead to the hookup location of screen cloth to drop, leads to the stability of screen cloth lower, needs frequent change.

Disclosure of utility model

The utility model aims to solve the problems that the screen cloth is usually flexibly arranged, bending deformation can occur after external force is applied, the connecting position of the screen cloth can fall off due to long-time dewatering operation, the stability of the screen cloth is low, and frequent replacement is needed in the prior art, and provides a press roll structure for papermaking.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a press roll structure for papermaking, includes the connecting axle, the outside of connecting axle has the cylinder, the cylinder set up in the connecting axle outside, have the mounting disc between connecting axle and the cylinder, the mounting disc is fixed in the connecting axle surface, just joint between mounting disc and the cylinder to through threaded connection, the inside of cylinder has the collar, the collar is fixed in the mounting disc is inboard, the outside of collar has the filter screen, the filter screen inboard has the fixture block, the fixture block is fixed in the filter screen inboard and with the collar is connected, the outside of filter screen has the bracing piece, the bracing piece movably install in inside the cylinder, the outside of bracing piece has the balancing weight, the balancing weight is fixed in the bracing piece surface, just the balancing weight can with the cylinder contact.

The press roll structure for papermaking provided by the application can be used for dewatering materials for papermaking, has the advantages of ensuring the stability of a filter screen in the use process and the like compared with the common press roll structure, and is used for solving the problems that the filter screen is usually flexibly arranged, can be bent and deformed after being subjected to external force, and can lead to the falling of the connecting position of the filter screen after long-time dewatering operation, so that the stability of the filter screen is lower and frequent replacement is required.

Further, one end of the supporting rod, which is far away from the balancing weight, is inserted into the hole of the filter screen, the supporting rod can swing relative to the roller, the outer side of the connecting shaft is provided with a mounting head, and the mounting head is fixed in the connecting shaft.

Furthermore, the clamping blocks are symmetrically arranged, the inner sides of the clamping blocks are provided with concave positions which enable the clamping blocks to shrink inwards, and the clamping blocks are clamped on the inner sides of the mounting rings.

Further, the inner side of the mounting ring is provided with a rotary table, the rotary table is fixed inside the mounting ring, the inner side of the rotary table is provided with a push block, the push block is movably clamped inside the rotary table, the outer side of the roller is provided with a rubber coating, the inner side of the roller is provided with a water outlet hole, and the water outlet hole penetrates through the roller and the rubber coating.

Further, the push block can be pushed out under the rotation of the turntable, and can be inserted into the concave position on the inner side of the clamping block, and the push block can be in contact with the clamping block and the mounting ring.

Further, the encapsulation is fixedly wrapped on the outer surface of the roller, and the cross sections of the roller and the filter screen are elliptical.

Further, an extension spring is arranged between the push block and the turntable, one end of the extension spring is fixed on the outer surface of the push block, and the other end of the extension spring is fixed on the inner wall of the turntable.

Compared with the prior art, the utility model has the beneficial effects that;

1. According to the utility model, the filter screen which can be bent in the use process is arranged, so that the filter screen can be in a bent state after being installed, a clamping block for supporting and limiting the filter screen in the movement process of the filter screen can be arranged, the limitation on the stability of the filter screen in the movement process of the press roller can be formed, and the stability of the filter screen in the use process can be further ensured;

2. According to the utility model, the support rod capable of supporting the outer side of the filter screen in the use process is arranged, so that the outer side of the filter screen can be stably supported, the filter screen can be prevented from being bent excessively in the rotation process, the stability in the use process can be ensured, and the problem that the connection position of the filter screen is separated due to unstable connection of the filter screen is avoided.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a front cross-sectional view of the present utility model;

FIG. 2 is a side cross-sectional view of a turntable according to the present utility model;

FIG. 3 is an enlarged view of the utility model at A;

Fig. 4 is a partial top view of the support rod structure of the present utility model.

Legend description:

1 connecting shaft, 2 mounting plate, 3 cylinder, 4 rubber coating, 5 filter screen, 6 installation head, 7 fixture block, 8 collar, 9 carousel, 10 ejector pad, 11 balancing weight, 12 bracing piece, 13 apopores.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in the specific direction, and thus should not be construed as limiting the present utility model; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

As shown in fig. 1 to 4, the present utility model provides a press roll structure for papermaking, comprising a connecting shaft 1, wherein a drum 3 is arranged at the outer side of the connecting shaft 1, a mounting plate 2 is arranged between the connecting shaft 1 and the drum 3, the mounting plate 2 is fixed at the outer surface of the connecting shaft 1, the mounting plate 2 is clamped with the drum 3, the inside of the drum 3 is provided with a mounting ring 8 through threaded connection, the mounting ring 8 is fixed at the inner side of the mounting plate 2, a filter screen 5 is arranged at the outer side of the mounting ring 8, a clamping block 7 is arranged at the inner side of the filter screen 5 and is connected with the mounting ring 8, a supporting rod 12 is arranged at the outer side of the filter screen 5, the supporting rod 12 is movably arranged inside the drum 3, a balancing weight 11 is arranged at the outer side of the supporting rod 12, the balancing weight 11 is fixed at the outer surface of the supporting rod 12, and the balancing weight 11 can be contacted with the drum 3.

The press roll structure for papermaking provided by the application can be used for dewatering materials for papermaking, has the advantages of ensuring the stability of the filter screen 5 in the use process and the like compared with the common press roll structure, and is used for solving the problems that the filter screen is usually flexibly arranged in the prior art, can be bent and deformed after being subjected to external force, and can lead to the falling of the connecting position of the filter screen after long-time dewatering operation, so that the stability of the filter screen is lower and frequent replacement is required.

Further, one end of the supporting rod 12 far away from the balancing weight 11 is inserted into the hole of the filter screen 5, the supporting rod 12 can swing relative to the roller 3, the outer side of the connecting shaft 1 is provided with the mounting head 6, and the mounting head 6 is fixed inside the connecting shaft 1.

In the present application, the mounting head 6 is a connector capable of being connected to a vacuum apparatus, and is capable of affecting the material inside the drum 3 after the vacuum apparatus is inserted.

Further, the clamping blocks 7 are symmetrically arranged, the inner sides of the clamping blocks 7 are provided with concave positions capable of enabling the clamping blocks 7 to shrink inwards, and the clamping blocks 7 are clamped on the inner sides of the mounting rings 8.

In the application, the clamping block 7 can movably clamp the filter screen 5, so that the filter screen 5 can be stably limited, and the damage of the filter screen 5 caused by the connection and disconnection by utilizing fixed connection is avoided.

Further, the inner side of the mounting ring 8 is provided with a rotary table 9, the rotary table 9 is fixed inside the mounting ring 8, the inner side of the rotary table 9 is provided with a push block 10, the push block 10 is movably clamped inside the rotary table 9, the outer side of the roller 3 is provided with a rubber coating 4, the inner side of the roller 3 is provided with a water outlet hole 13, and the water outlet hole 13 penetrates through the roller 3 and the rubber coating 4.

In the application, the push block 10 can be inserted into the concave position between the clamping blocks 7 after extending out, so as to limit the clamping blocks 7, avoid inward shrinkage of the clamping blocks 7 and ensure the supporting stability of the clamping blocks 7 on the filter screen 5.

Further, the push block 10 can be pushed out under the rotation of the turntable 9, and the push block 10 can be inserted into a concave position inside the clamping block 7, and the push block 10 can be in contact with the clamping block 7 and the mounting ring 8.

In the application, the concave position can facilitate the inward contraction of the clamping block 7, thereby facilitating the installation and fixation of the clamping block 7, and ensuring that the clamping block 7 can be installed conveniently without excessive abrasion.

Further, the rubber coating 4 is fixedly wrapped on the outer surface of the roller 3, and the cross sections of the roller 3 and the filter screen 5 are elliptical.

In the application, the rubber coating 4 is made of rubber, so that the roller 3 can be protected, and the service life of the roller 3 can be ensured.

Further, an extension spring is arranged between the push block 10 and the turntable 9, one end of the extension spring is fixed on the outer surface of the push block 10, and the other end of the extension spring is fixed on the inner wall of the turntable 9.

In the present application, the push block 10 can be easily reset by the tension spring, and the restriction of the clamp block 7 can be released after the rotation of the drum 3 is stopped.

Working principle: when in use, the filter screen 5 is clamped inside the mounting ring 8 through the clamping block 7, then the mounting disc 2 is inserted inside the roller 3, the mounting disc 2 and the roller 3 are connected by bolts, when in rotation, the balancing weight 11 swings outwards due to the existence of the balancing weight 11, so that the supporting rod 12 is inserted into the inner side of the filter screen 5 to support the filter screen 5, the pushing block 10 is pushed out and inserted between the clamping blocks 7 under the action of rotating centrifugal force, the clamping blocks 7 are limited, the stability of the filter screen 5 is ensured, water flows out from the water outlet holes 13, and the mounting head 6 can be used for accessing vacuum equipment.

Claims

1. The utility model provides a press roll structure for papermaking, includes connecting axle (1), the outside of connecting axle (1) has cylinder (3), cylinder (3) set up in the connecting axle (1) outside, its characterized in that: the utility model discloses a roller, including connecting axle (1), cylinder (3), connecting axle (1) and cylinder (3) are connected in the connecting axle, just install between dish (2) and cylinder (3) joint to through threaded connection, the inside of cylinder (3) has collar (8), collar (8) are fixed in install dish (2) inboard, the outside of collar (8) has filter screen (5), filter screen (5) inboard has fixture block (7), fixture block (7) are fixed in filter screen (5) inboard and with collar (8) are connected, the outside of filter screen (5) has bracing piece (12), bracing piece (12) movably install in cylinder (3) inside, the outside of bracing piece (12) has balancing weight (11), balancing weight (11) are fixed in bracing piece (12) surface, just balancing weight (11) can with cylinder (3) contact.

2. A press roll structure for papermaking according to claim 1, wherein: one end of the supporting rod (12) far away from the balancing weight (11) is inserted into a hole of the filter screen (5), the supporting rod (12) can swing relative to the roller (3), the outer side of the connecting shaft (1) is provided with a mounting head (6), and the mounting head (6) is fixed inside the connecting shaft (1).

3. A press roll structure for papermaking according to claim 1, wherein: the clamping blocks (7) are symmetrically arranged, the inner sides of the clamping blocks (7) are provided with concave positions capable of enabling the clamping blocks (7) to shrink inwards, and the clamping blocks (7) are clamped on the inner sides of the mounting rings (8).

4. A press roll structure for papermaking according to claim 3, wherein: the inside of collar (8) has carousel (9), carousel (9) are fixed in inside collar (8), the inside of carousel (9) has ejector pad (10), ejector pad (10) movably joint in inside carousel (9), the outside of cylinder (3) has rubber coating (4), the inside of cylinder (3) has apopore (13), apopore (13) run through cylinder (3) and rubber coating (4).

5. A press roll structure for papermaking according to claim 4, wherein: the push block (10) can be pushed out under the rotation of the turntable (9), the push block (10) can be inserted into a concave position inside the clamping block (7), and the push block (10) can be in contact with the clamping block (7) and the mounting ring (8).

6. A press roll structure for papermaking according to claim 4, wherein: the rubber coating (4) is fixedly wrapped on the outer surface of the roller (3), and the cross sections of the roller (3) and the filter screen (5) are elliptical.

7. A press roll structure for papermaking according to claim 4, wherein: an extension spring is arranged between the push block (10) and the rotary table (9), one end of the extension spring is fixed on the outer surface of the push block (10), and the other end of the extension spring is fixed on the inner wall of the rotary table (9).