CN212688556U

CN212688556U - Paper pulp refiner

Info

Publication number: CN212688556U
Application number: CN202021253856.7U
Authority: CN
Inventors: 刘明
Original assignee: Baoding Golden Energy Sanitary Products Co ltd
Current assignee: Baoding Golden Energy Sanitary Products Co ltd
Priority date: 2020-06-30
Filing date: 2020-06-30
Publication date: 2021-03-12
Anticipated expiration: 2030-06-30

Abstract

The utility model discloses a paper pulp refiner, which comprises a shell, a power device and a grinding device, wherein a grinding cavity and an equipment cavity are arranged in the shell, a feeding mechanism and a discharge port are arranged on the shell, and the discharge port is communicated with the grinding cavity; the power device comprises a hydraulic cylinder, a supporting plate and a motor, wherein a power shaft is connected to an output shaft of the motor, and the power shaft extends into the grinding cavity; the grinding device comprises a grinding mechanism, an adjustable grinding disc and a fixed grinding disc; the power shaft is fixed with a centrifugal impeller which is positioned between the movable grinding disc and the adjustable grinding disc. The paper pulp refiner provided by the utility model can carry out multiple grinding on paper pulp, and ensure the grinding effect of the paper pulp; the centrifugal impeller is arranged on the power shaft, and the centrifugal impeller can generate centrifugal force on the paper pulp, so that the paper pulp can quickly provide a grinding surface and the grinding efficiency on the paper pulp is improved; moreover, the utility model provides a refiner can freely change between once grinding and twice grinding, has easy operation, practicality advantage such as strong.

Description

Paper pulp refiner

Technical Field

The utility model relates to a papermaking machine technical field especially relates to a paper pulp fiberizer.

Background

Paper is the most common article in our daily life, and is in contact with paper when reading books and newspapers, or writing and drawing. In order to provide pulp with better flexibility, the pulp is typically refined by a refiner. The existing pulping machine has the defects of poor pulping effect and low pulping efficiency, and the distance between the millstones cannot be adjusted, so that the existing pulping machine is not suitable for pulping paper pulp with different particle sizes.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a paper pulp fiberizer to solve the problem that above-mentioned prior art exists.

In order to achieve the above object, the utility model provides a following scheme: the utility model provides a paper pulp refiner, which comprises a shell, and a power device and a grinding device which are arranged in the shell, wherein the interior of the shell is divided into a grinding cavity and an equipment cavity which is positioned below the grinding cavity by a partition plate, the grinding device is arranged in the grinding cavity, and the power device is arranged in the equipment cavity; a feeding mechanism is arranged above the shell, a discharge hole is arranged below the shell, and the discharge hole is communicated with the grinding cavity;

the power device comprises a hydraulic cylinder fixed on the shell, a supporting plate fixed at the tail end of the hydraulic cylinder and a motor fixed on the supporting plate, wherein a power shaft is fixedly connected to an output shaft of the motor and extends into the grinding cavity;

the grinding device comprises a grinding mechanism fixed on the power shaft, an adjustable grinding disc arranged above the grinding mechanism and a fixed grinding disc positioned below the grinding mechanism; the fixed grinding disc is fixedly connected with the shell, the grinding mechanism comprises a grinding body fixed on the power shaft, a flange sheet fixed on the grinding body and a movable grinding disc fixed on the flange sheet, the grinding body is matched with the fixed grinding disc, and the movable grinding disc is matched with the adjustable grinding disc; and a centrifugal impeller is fixed on the power shaft and is positioned between the movable grinding disc and the adjustable grinding disc.

Preferably, a connecting cylinder is arranged in the grinding cavity, the connecting cylinder is connected with the shell in a sliding manner, and the adjustable grinding disc is fixedly arranged on the connecting cylinder; the top of the shell is fixedly provided with a lead screw, and the lead screw penetrates through the shell and is in shaft connection with the connecting cylinder; the bottom of the connecting cylinder is provided with a through hole, and the feeding mechanism is communicated with the grinding cavity through the through hole.

Preferably, feed mechanism includes the hopper and fixes inlet pipe on the casing, the hopper with inlet pipe fixed connection, the inlet pipe with through-hole looks adaptation.

Preferably, the grinding body is of a frustum structure.

Preferably, the power shaft is provided with a thread bulge, and the thread bulge is positioned above the centrifugal impeller.

The utility model discloses a following technological effect: the paper pulp refiner provided by the utility model can carry out multiple grinding on paper pulp, and ensure the grinding effect of the paper pulp; the centrifugal impeller is arranged on the power shaft, and the centrifugal impeller can generate centrifugal force on the paper pulp, so that the paper pulp can quickly provide a grinding surface and the grinding efficiency on the paper pulp is improved; moreover, the utility model provides a refiner can freely change between once grinding and twice grinding, has easy operation, practicality advantage such as strong.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used 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 invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.

FIG. 1 is a schematic structural view of a pulp refiner of the present invention;

FIG. 2 is a schematic structural view of the connector barrel;

wherein, 1 casing, 2 baffles, 3 grinding chamber, 4 equipment chambeies, 5 discharge gates, 6 pneumatic cylinders, 7 backup pads, 8 motors, 9 power shafts, 10 adjustable millstones, 11 fixed millstones, 12 grinding bodies, 13 flange pieces, 14 movable millstones, 15 centrifugal impellers, 16 connecting cylinders, 17 lead screws, 18 through holes, 19 feed hoppers, 20 feed pipes, 21 screw thread bulges.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only 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.

In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.

As shown in fig. 1-2, the utility model provides a pulp refiner, which comprises a casing 1, and a power device and a grinding device which are arranged in the casing 1, wherein the casing 1 is internally divided into a grinding cavity 3 and an equipment cavity 4 which is positioned below the grinding cavity 3 by a partition plate 2, the grinding device is arranged in the grinding cavity 3, and the power device is arranged in the equipment cavity 4; a feeding mechanism is arranged above the shell 1, a discharge hole 5 is arranged below the shell 1, and the discharge hole 5 is communicated with the grinding cavity 3; the power device comprises a hydraulic cylinder 6 fixed on the shell 1, a support plate 7 fixed at the tail end of the hydraulic cylinder 6 and a motor 8 fixed on the support plate 7, wherein a power shaft 9 is fixedly connected to an output shaft of the motor 8, and the power shaft 9 extends into the grinding cavity 3; the grinding device comprises a grinding mechanism fixed on the power shaft 9, an adjustable grinding disc 10 arranged above the grinding mechanism and a fixed grinding disc 11 positioned below the grinding mechanism; the fixed grinding disc 11 is fixedly connected with the shell 1, the grinding mechanism comprises a grinding body 12 fixed on the power shaft 9, a flange sheet 13 fixed on the grinding body 12 and a movable grinding disc 14 fixed on the flange sheet 13, the grinding body 12 is of a frustum structure, the grinding body 12 is matched with the fixed grinding disc 11, and the movable grinding disc 14 is matched with the adjustable grinding disc 10; a centrifugal impeller 15 is fixed on the power shaft 9, the centrifugal impeller 15 is positioned between the movable grinding disc 14 and the adjustable grinding disc 10, a thread bulge 21 is arranged on the power shaft 9, and the thread bulge 21 is positioned above the centrifugal impeller 15.

In a further optimized scheme, a connecting cylinder 16 is arranged in the grinding cavity 3, the connecting cylinder 16 is connected with the shell 1 in a sliding manner, and the adjustable grinding disc 10 is fixedly arranged on the connecting cylinder 16; a lead screw 17 is fixedly installed at the top of the shell 1, and the lead screw 17 penetrates through the shell 1 and is in shaft connection with the connecting cylinder 16; a through hole 18 is formed at the bottom of the connecting cylinder 16, and the feeding mechanism is communicated with the grinding cavity 3 through the through hole 18; feed mechanism includes feeder hopper 19 and fixes inlet pipe 20 on the casing 1, feeder hopper 19 with inlet pipe 20 fixed connection, inlet pipe 20 with through-hole 18 looks adaptation, the setting up of through-hole 18 can make connecting cylinder 16 can move along vertical direction.

When in use, the distance between the grinding body 12 and the fixed grinding disc 11 is firstly adjusted through the hydraulic cylinder 6, and then the distance between the adjustable grinding disc 10 and the movable grinding disc 14 is adjusted through the screw 17, so that the slurry ground by the pulping machine can meet the use requirement; then pouring the paper pulp from the feed hopper 19, flowing into the grinding chamber 3 through the feed pipe 20, the screw thread protrusion 21 on the power shaft 9 firstly primarily crushes long fibers or sheets in the paper pulp to ensure the grinding effect, then grinding the paper pulp by using the adjustable grinding disc 10 and the movable grinding disc 14, then grinding the paper pulp by using the grinding body 12 and the fixed grinding disc 11, and ensuring the grinding effect on the paper pulp by multiple grinding. When grinding, only move mill 14 and rinding body 12 and rotate, utilize inlet pipe 20 to carry out the position through-hole 18 to connecting cylinder 16 and prescribe a limit to, can guarantee that adjustable mill 10 and connecting cylinder 16 can not take place to rotate, when moving mill 14 and rotating, centrifugal impeller 15 also can rotate, utilize centrifugal impeller 15 to make paper pulp can be quick through adjustable mill 10 and move the mill district between mill 14, carry out the pressure boost to paper pulp to a certain extent simultaneously, in order to guarantee that the paper pulp after adjustable mill 10 grinds can be fast through the rinding body 12 and decide the abrasive surface between the mill 11, thereby improve the grinding efficiency of fiberizer.

The utility model provides a fiberizer, the accessible is adjusted adjustable mill 10 and is moved the interval of abrasive surface between the mill 14 or through adjusting the rinding body 12 and deciding the interval of abrasive surface between the mill 11, controls the fineness that paper pulp ground, when only hope carrying out the grinding once, only need adjust the interval of a set of abrasive surface wherein greatly, just can realize grinding the effect once, consequently the utility model provides a fiberizer has easy operation, can freely change between grinding once and twice grinding, advantages such as the practicality is strong.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description of the present invention, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

The above-mentioned embodiments are only intended to describe the preferred embodiments of the present invention, but not to limit the scope of the present invention, and those skilled in the art should also be able to make various modifications and improvements to the technical solution of the present invention without departing from the spirit of the present invention, and all such modifications and improvements are intended to fall within the scope of the present invention as defined in the appended claims.

Claims

1. A paper pulp refiner is characterized by comprising a shell (1), and a power device and a grinding device which are arranged in the shell (1), wherein the inside of the shell (1) is divided into a grinding cavity (3) and an equipment cavity (4) which is positioned below the grinding cavity (3) through a partition plate (2), the grinding device is arranged in the grinding cavity (3), and the power device is arranged in the equipment cavity (4); a feeding mechanism is arranged above the shell (1), a discharge hole (5) is arranged below the shell (1), and the discharge hole (5) is communicated with the grinding cavity (3);

the power device comprises a hydraulic cylinder (6) fixed on the shell (1), a supporting plate (7) fixed at the tail end of the hydraulic cylinder (6) and a motor (8) fixed on the supporting plate (7), a power shaft (9) is fixedly connected to an output shaft of the motor (8), and the power shaft (9) extends into the grinding cavity (3);

the grinding device comprises a grinding mechanism fixed on the power shaft (9), an adjustable grinding disc (10) arranged above the grinding mechanism and a fixed grinding disc (11) positioned below the grinding mechanism; the fixed grinding disc (11) is fixedly connected with the shell (1), the grinding mechanism comprises a grinding body (12) fixed on the power shaft (9), a flange sheet (13) fixed on the grinding body (12) and a movable grinding disc (14) fixed on the flange sheet (13), the grinding body (12) is matched with the fixed grinding disc (11), and the movable grinding disc (14) is matched with the adjustable grinding disc (10); a centrifugal impeller (15) is fixed on the power shaft (9), and the centrifugal impeller (15) is positioned between the movable grinding disc (14) and the adjustable grinding disc (10).

2. A pulp refiner as claimed in claim 1, characterized in that: a connecting cylinder (16) is arranged in the grinding cavity (3), the connecting cylinder (16) is in sliding connection with the shell (1), and the adjustable grinding disc (10) is fixedly arranged on the connecting cylinder (16); the top of the shell (1) is fixedly provided with a lead screw (17), and the lead screw (17) penetrates through the shell (1) and is in shaft connection with the connecting cylinder (16); a through hole (18) is formed in the bottom of the connecting cylinder (16), and the feeding mechanism is communicated with the grinding cavity (3) through the through hole (18).

3. A pulp refiner as claimed in claim 2, characterized in that: feed mechanism includes feeder hopper (19) and fixes inlet pipe (20) on casing (1), feeder hopper (19) with inlet pipe (20) fixed connection, inlet pipe (20) with through-hole (18) looks adaptation.

4. A pulp refiner as claimed in claim 1, characterized in that: the grinding body (12) is of a frustum structure.

5. A pulp refiner as claimed in claim 1, characterized in that: the power shaft (9) is provided with a thread bulge (21), and the thread bulge (21) is positioned above the centrifugal impeller (15).