CN219273356U

CN219273356U - Scraper structure for centrifugal machine

Info

Publication number: CN219273356U
Application number: CN202320668650.8U
Authority: CN
Inventors: 耿庆武
Original assignee: Suzhou Fengyada Environmental Protection Technology Co ltd
Current assignee: Suzhou Fengyada Environmental Protection Technology Co ltd
Priority date: 2023-03-30
Filing date: 2023-03-30
Publication date: 2023-06-30
Anticipated expiration: 2033-03-30

Abstract

The utility model discloses a scraper structure for a centrifugal machine, which comprises a frame and a cutter holder, wherein a rotary scraper is arranged in the frame, the rotary scraper rotates in the frame through a center shaft, a rotor is arranged on the frame, an air cylinder for pushing the rotary scraper to rotate and stretch into the inner wall of the rotor is further arranged on the frame, and a scraping wall part is arranged at the end part of the rotary scraper. When the scraper knife is used, the knife rest plate is inserted into the mounting groove, then the fixing plate is placed into the fixing groove, and then the bolt is inserted into the mounting hole and screwed into the thread groove, so that the scraper knife can be mounted, and the scraper knife can be conveniently dismounted and replaced; meanwhile, as the edge of the scraper is obliquely arranged, when the scraper rotates and scrapes slag, the slag can be contacted with the inclined surface of the scraper, and the force born by the edge of the scraper can be greatly reduced through the inclined surface of the scraper, so that the service life of the scraper can be prolonged.

Description

Scraper structure for centrifugal machine

Technical Field

The utility model relates to the technical field of centrifugal machine scrapers, in particular to a scraper structure for a centrifugal machine.

Background

The centrifuge is a high performance, lower discharge batch operated centrifugal filtration device. The centrifugal machine uses centrifugal force generated by high-speed running of a rotary drum (centrifugal basket) to separate filtrate injected into the rotary drum through a filter bag lined in the rotary drum, filter residues are remained in the rotary drum, and the filtrate flows to a collector through a liquid outlet. And (3) feeding at medium speed, stopping feeding after the feeding limit is reached, separating at high speed, reducing to low speed after the separation is finished, starting a hydraulic scraper to scrape filter residues in the rotary drum, and completing one working cycle after discharging.

Through retrieving, the patent document of application number CN201922356663.8 discloses a scraper structure of centrifuge, the on-line screen storage device comprises a base, the fixed riser that is provided with of top of base, one side of fixed riser is provided with fixed riser, the opposite side of fixed riser is provided with hydraulic push rod, hydraulic push rod's the fixed movable seat that is provided with in top, the inside of movable seat is provided with the lead screw, first motor is installed to one side of movable seat, and the output and the lead screw transmission of first motor are connected, be provided with the movable block on the outer wall of lead screw.

In the process of scraping the slag on the inner wall of the centrifugal machine, the scraper in the comparison document can cause the knife edge of the scraper to receive larger force when scraping the slag due to the vertical rotation direction of the scraper, and the scraper can be damaged after long time, so that the scraper structure for the centrifugal machine is provided.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides a scraper structure for a centrifugal machine.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a scraper structure for centrifuge, includes frame and blade holder, install in the frame and rotate the scraper, and rotate the scraper and pass through the axis and rotate in the frame, be equipped with the rotor on the frame, still be equipped with on the frame and be used for promoting to rotate the cylinder that the scraper rotated and stretches into the rotor inner wall, it is equipped with scrapes wall portion to rotate the scraper tip.

Preferably, the scraping wall part comprises a moving groove formed in the top of the tool apron, a moving opening communicated with the inside of the moving groove is symmetrically formed in the outer wall of the tool apron, a fixing plate which is U-shaped is fixedly connected to the inner wall of the moving groove, a rotating mechanism is arranged at the top of the fixing plate, the fixing plate is connected with a symmetrically arranged moving plate through an adjusting mechanism, a scraper is connected to the moving plate through a mounting mechanism, the rotating mechanism comprises a connecting plate which is fixedly connected with the top of the fixing plate and is U-shaped, a rotating rod is fixedly connected to the top of the connecting plate, and a first motor is connected to the top of the rotating rod.

Preferably, the adjustment mechanism includes the second motor with fixed plate top fixed connection, the bottom fixedly connected with actuating lever of second motor, the actuating lever runs through the fixed plate and rotates with the fixed plate to be connected, is located inside the fixed plate the first bevel gear of actuating lever bottom fixedly connected with, is located moving inslot the fixed plate is last to rotate and to be connected with the regulation pole, the both ends of adjusting the pole all rotate with moving inslot wall and be connected, be located inside the fixed plate adjust pole outer wall fixedly connected with second bevel gear, second bevel gear and first bevel gear meshing.

Preferably, the moving plate is provided with a threaded hole, the outer walls of the adjusting rods positioned on two sides of the fixed plate are provided with external threads with opposite thread directions, and the adjusting rods are in threaded connection with the threaded hole.

Preferably, the installation mechanism comprises symmetrically arranged bolts, the top of the movable plate is provided with an installation groove, one side of the movable plate, which is close to the movable opening, is provided with an installation opening communicated with the installation groove, both sides of the installation groove are provided with fixing grooves, the inner wall of the installation groove is slidably connected with a tool rest plate, and the scraper penetrates through the installation opening, the movable opening and is fixedly connected with the tool rest plate.

Preferably, the inner wall sliding connection of fixed slot has the mounting panel, the mounting panel is last to have seted up the mounting hole, the screw thread groove coaxial with the mounting hole setting has been seted up to the bottom symmetry of fixed slot, the bolt runs through the mounting hole and with screw thread groove threaded connection, be located the blade holder is outside scraper one end is provided with the inclined plane.

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

1. this equipment utilizes adjustment mechanism when using, and the second motor can drive first bevel gear's rotation through the actuating lever, and first bevel gear can drive the rotation of adjusting the pole through the second bevel gear, can drive two movable plates when adjusting the pole rotation and be close to each other or keep away from each other, and the removal of movable plate can drive the removal of scraper to can adjust the distance between the edge of a knife and the centrifuge inner wall of scraper, conveniently strike off the slag charge of different thickness on the centrifuge inner wall, simultaneously, can accomodate the scraper when leaning on each other, can let the scraper scrape the inner wall of centrifuge, does not influence the centrifugation of centrifuge, when keeping away from each other, can let the scraper scrape the residue on the centrifuge inner wall.

2. When the device is used, the mounting mechanism is utilized, the tool rest plate is inserted into the mounting groove, then the fixing plate is placed into the fixing groove, and then the bolt is inserted into the mounting hole and screwed into the thread groove, so that the installation of the scraper can be completed, and the disassembly and the replacement of the scraper are facilitated; meanwhile, as the edge of the scraper is obliquely arranged, when the scraper rotates and scrapes slag, the slag can be contacted with the inclined surface of the scraper, and the force born by the edge of the scraper can be greatly reduced through the inclined surface of the scraper, so that the service life of the scraper can be prolonged.

Drawings

FIG. 1 is a frame diagram of a scraper configuration for a centrifuge in accordance with the present utility model;

FIG. 2 is a schematic view of an external perspective structure of a scraper structure for a centrifuge according to the present utility model;

FIG. 3 is a schematic view of the internal perspective structure of a scraper structure for a centrifuge according to the present utility model;

FIG. 4 is a schematic perspective view of a mounting plate, bolts, mounting plate and scraper;

FIG. 5 is a schematic view of a connection perspective structure of a mounting plate, bolts, a knife rest plate and a scraper;

FIG. 6 is a schematic perspective view of the mounting slot, mounting port and fixing slot;

fig. 7 is a schematic structural view of the connection of the scraper blade to the inner wall of the centrifuge before and after modification.

In the figure: the device comprises a cutter holder 1, a moving groove 2, a moving opening 3, a fixed plate 4, a moving plate 5, a scraper 6, a connecting plate 7, a first motor 8, a second motor 9, a driving rod 10, a first bevel gear 11, a regulating rod 12, a second bevel gear 13, a bolt 14, a mounting groove 15, a mounting opening 16, a fixed groove 17, a cutter frame plate 18, a mounting plate 19, a 20 inclined plane, a frame 21, a central shaft 22, a 23 cylinder 24, a rotary scraper and a 25 rotor.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments, and all other embodiments obtained by those skilled in the art without making creative efforts based on the embodiments of the present utility model are included in the protection scope of the present utility model.

Referring to fig. 1-7, a scraper structure for a centrifuge comprises a frame 21 and a cutter holder 1, wherein a rotary scraper 24 is installed in the frame 21, the rotary scraper 24 rotates in the frame 21 through a central shaft 22, a rotor 25 is arranged on the frame 21, a cylinder 23 for pushing the rotary scraper 24 to rotate and extend into the inner wall of the rotor 25 is also arranged on the frame 21, the rotary scraper 24 is pushed into the rotor 25 by the cylinder 23, residues on the inner wall of the rotor 25 are removed under the condition that the rotor 25 rotates slowly, and a scraping wall part is arranged at the end part of the rotary scraper 24;

the scraping wall part comprises a movable groove 2 formed in the top of the tool apron 1, a movable opening 3 communicated with the inside of the movable groove 2 is symmetrically formed in the outer wall of the tool apron 1, a fixing plate 4 which is U-shaped is fixedly connected to the inner wall of the movable groove 2, a rotating mechanism is arranged at the top of the fixing plate 4, the fixing plate 4 is connected with a symmetrically arranged movable plate 5 through an adjusting mechanism, and the movable plate 5 is connected with a scraper 6 through a mounting mechanism.

Further, the rotating mechanism comprises a connecting plate 7 fixedly connected with the top of the fixed plate 4 and being U-shaped, a rotating rod is fixedly connected with the top of the connecting plate 7, a first motor 8 is connected with the top of the rotating rod, and the tool apron 1 and the scraper 6 can be driven to rotate through the first motor 8, the rotating rod and the connecting plate 7, so that slag on the inner wall of the centrifugal machine can be scraped.

The patent document of the comparison document CN201922356663.8 discloses that the top of the first motor 8 is connected with the bottom of a moving block in the structure of the scraper 6 of the centrifuge, and is not in a suspended arrangement, and meanwhile, the hydraulic push rod in the comparison document can control the scraper 6 to move up and down, so that the scraper 6 can conveniently move into the centrifuge;

further, the adjusting mechanism comprises a second motor 9 fixedly connected with the top of the fixed plate 4, a driving rod 10 is fixedly connected to the bottom of the second motor 9, the driving rod 10 penetrates through the fixed plate 4 and is rotationally connected with the fixed plate 4, a first bevel gear 11 is fixedly connected to the bottom of the driving rod 10 positioned in the fixed plate 4, an adjusting rod 12 is rotationally connected to the fixed plate 4 positioned in the moving groove 2, two ends of the adjusting rod 12 are rotationally connected with the inner wall of the moving groove 2, a second bevel gear 13 is fixedly connected to the outer wall of the adjusting rod 12 positioned in the fixed plate 4, and the second bevel gear 13 is meshed with the first bevel gear 11; the movable plate 5 is provided with a threaded hole, the outer wall of the adjusting rod 12 positioned at the two sides of the fixed plate 4 is provided with external threads with opposite thread directions, and the adjusting rod 12 is in threaded connection with the threaded hole.

Further, the mounting mechanism comprises symmetrically arranged bolts 14, a mounting groove 15 is formed in the top of the moving plate 5, a mounting opening 16 communicated with the mounting groove 15 is formed in one side, close to the moving opening 3, of the moving plate 5, fixing grooves 17 are formed in two sides of the mounting groove 15, a knife rest plate 18 is slidably connected to the inner wall of the mounting groove 15, and the scraper 6 penetrates through the mounting opening 16 and the moving opening 3 and is fixedly connected with the knife rest plate 18; the inner wall sliding connection of fixed slot 17 has mounting panel 19, has seted up the mounting panel 19 on, and the screw thread groove coaxial setting with the mounting hole has been seted up to the bottom symmetry of fixed slot 17, and bolt 14 runs through the mounting hole and with screw thread groove threaded connection, is located the outside scraper 6 one end of blade holder 1 and is provided with inclined plane 20, wherein through the inclined plane 20 of scraper 6 edge of a knife, can make scraper 6 receive the power greatly reduced when scraping the slag charge, can prolong the life of scraper 6.

The working principle of the utility model is as follows: the second motor 9 drives the first bevel gear 11 to rotate through the driving rod 10, the first bevel gear 11 drives the adjusting rod 12 to rotate through the second bevel gear 13, the adjusting rod 12 drives the two moving plates 5 to be close to or far away from each other when rotating, and the moving plates 5 can drive the scraper 6 to move, so that the distance between the edge of the scraper 6 and the inner wall of the centrifugal machine can be adjusted, and slag materials with different thicknesses on the inner wall of the centrifugal machine can be scraped conveniently;

the cutter frame plate 18 is inserted into the mounting groove 15, then the fixing plate 4 is placed into the fixing groove 17, and the bolt 14 is inserted into the mounting hole and screwed into the thread groove, so that the installation of the scraper 6 can be completed, and the disassembly and the replacement of the scraper 6 are facilitated; meanwhile, due to the inclined arrangement of the edge of the scraper 6, when the scraper 6 rotates and scrapes slag, the slag can be contacted with the inclined surface 20 of the scraper 6, and the force applied to the edge of the scraper 6 can be greatly reduced through the inclined surface 20 of the scraper 6, so that the service life of the scraper 6 can be prolonged.

The present utility model is not limited to the above-mentioned embodiments, and any person skilled in the art, based on the technical solution of the present utility model and the inventive concept thereof, can be replaced or changed within the scope of the present utility model.

Claims

1. The utility model provides a scraper structure for centrifuge, includes frame (21) and blade holder (1), its characterized in that, install in frame (21) and rotate scraper (24), and rotate scraper (24) and pass through axis (22) internal rotation in frame (21), be equipped with rotor (25) on frame (21), still be equipped with on frame (21) and be used for promoting to rotate scraper (24) and rotate cylinder (23) that stretches into rotor (25) inner wall, rotate scraper (24) tip and be equipped with and scrape wall portion.

2. The scraper structure for a centrifugal machine according to claim 1, wherein the scraper wall portion comprises a moving groove (2) formed in the top of the tool apron (1), a moving opening (3) communicated with the inside of the moving groove (2) is symmetrically formed in the outer wall of the tool apron (1), a fixing plate (4) which is U-shaped is fixedly connected to the inner wall of the moving groove (2), a rotating mechanism is arranged on the top of the fixing plate (4), the fixing plate (4) is connected with a symmetrically arranged moving plate (5) through an adjusting mechanism, the moving plate (5) is connected with a scraper (6) through a mounting mechanism, the rotating mechanism comprises a connecting plate (7) which is fixedly connected with the top of the fixing plate (4) and is U-shaped, a rotating rod is fixedly connected to the top of the connecting plate (7), and a first motor (8) is connected to the top of the rotating rod.

3. The scraper structure for a centrifugal machine according to claim 2, wherein the adjusting mechanism comprises a second motor (9) fixedly connected with the top of the fixed plate (4), a driving rod (10) is fixedly connected with the bottom of the second motor (9), the driving rod (10) penetrates through the fixed plate (4) and is rotationally connected with the fixed plate (4), a first bevel gear (11) is fixedly connected with the bottom of the driving rod (10) and positioned inside the fixed plate (4), an adjusting rod (12) is rotationally connected with the fixed plate (4) and positioned inside the movable groove (2), two ends of the adjusting rod (12) are rotationally connected with the inner wall of the movable groove (2), a second bevel gear (13) is fixedly connected with the outer wall of the adjusting rod (12) and positioned inside the fixed plate (4), and the second bevel gear (13) is meshed with the first bevel gear (11).

4. A scraper structure for a centrifugal machine according to claim 3, wherein the moving plate (5) is provided with a threaded hole, the outer walls of the adjusting rods (12) positioned at the two sides of the fixed plate (4) are provided with external threads with opposite thread directions, and the adjusting rods (12) are in threaded connection with the threaded hole.

5. The scraper structure for a centrifugal machine according to claim 2, wherein the mounting mechanism comprises symmetrically arranged bolts (14), a mounting groove (15) is formed in the top of the moving plate (5), a mounting opening (16) communicated with the mounting groove (15) is formed in one side, close to the moving opening (3), of the moving plate (5), fixing grooves (17) are formed in two sides of the mounting groove (15), a tool rest plate (18) is slidably connected to the inner wall of the mounting groove (15), and the scraper (6) penetrates through the mounting opening (16), the moving opening (3) and is fixedly connected with the tool rest plate (18).

6. The scraper structure for a centrifugal machine according to claim 5, wherein the inner wall of the fixing groove (17) is slidably connected with a mounting plate (19), a mounting hole is formed in the mounting plate (19), a thread groove coaxially arranged with the mounting hole is symmetrically formed in the bottom of the fixing groove (17), the bolt (14) penetrates through the mounting hole and is in threaded connection with the thread groove, and an inclined surface (20) is formed at one end of the scraper (6) located outside the tool apron (1).