CN212493501U

CN212493501U - Scraper for centrifuge

Info

Publication number: CN212493501U
Application number: CN202020820949.7U
Authority: CN
Inventors: 王杰
Original assignee: Wuxi Ruijiang Analysis Instrument Co ltd
Current assignee: Wuxi Ruijiang Analysis Instrument Co ltd
Priority date: 2020-05-16
Filing date: 2020-05-16
Publication date: 2021-02-09
Anticipated expiration: 2030-05-16

Abstract

The utility model discloses a scraping device for a centrifuge, which comprises a first shell, wherein a second shell is fixedly arranged at the top end of the first shell, a pipeline is arranged in the second shell, a first bevel gear is fixedly arranged at the outer end of the pipeline, a second bevel gear is arranged in the first shell, a threaded rod is arranged in the first shell, one end of the threaded rod is fixedly connected with one side of the second bevel gear, the other end of the threaded rod is movably connected with one side wall in the first shell through a bearing, a threaded ring is sleeved at the outer end of the threaded rod, a sliding block is fixedly arranged at the bottom end of the threaded ring, an outer plate is fixedly arranged at the bottom end of the sliding block, an inner plate is arranged at one side of the outer plate, one side of the inner plate extends into the outer plate, a cutter shell is fixedly arranged at the other side of the inner plate, a plurality, the operation is convenient, and the scraping effect is ensured.

Description

Scraper for centrifuge

Technical Field

The utility model relates to a scraper, in particular to scraper for centrifuge.

Background

Centrifuges are machines that utilize centrifugal force to separate components of a mixture of liquid and solid particles or liquid and liquid. The centrifuge is mainly used for separating solid particles from liquid in suspension, or separating two liquids which have different densities and are insoluble with each other in emulsion (for example, cream is separated from milk); it can also be used to remove liquids from wet solids, such as by spin drying clothes in a washing machine; the special overspeed tubular separator can also separate gas mixtures with different densities; some settling centrifuges can also grade solid particles according to density or granularity by utilizing the characteristic that solid particles with different densities or granularities have different settling speeds in liquid. A large amount of impurities can be attached to the inner wall of the centrifuge for a long time, and the difficulty in cleaning is high, so that the materials adhered to the inner wall of the centrifuge are required to be scraped by the scraping device.

However, in the prior art, the scraper is abraded with the inner wall of the centrifuge when scraping materials, so that a gap is generated between the scraper and the inner wall of the centrifuge after long-time use, and the scraping effect is poor.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a centrifuge is with scraping material device, the utility model discloses convenient to use, the simple operation guarantees to scrape the material effect.

In order to solve the technical problem, the utility model discloses a technical scheme does:

a scraping device for a centrifuge comprises a first shell, wherein a second shell is fixedly arranged at the top end of the first shell, a pipeline is arranged in the second shell, one end of the pipeline extends out of the top end of the second shell, the other end of the pipeline penetrates through the second shell and the first shell and extends out of the bottom end of the first shell, the pipeline is movably connected with the first shell through a bearing, a first gear is fixedly arranged at the outer end of the pipeline and is contacted with the top end of the second shell, a second gear is meshed with one side of the first gear, a motor is arranged at the bottom end of the second gear, the output end of the motor is fixedly connected with the second gear, the motor is arranged at one side of the second shell, a first bevel gear is fixedly arranged at the outer end of the pipeline, the first bevel gear is arranged in the first shell, a second bevel gear is arranged in the first shell, the second bevel gear is arranged at one side of the pipeline and the, the first bevel gear is meshed with the second bevel gear, a threaded rod is arranged in the first shell, one end of the threaded rod is fixedly connected with one side of the second bevel gear, the other end of the threaded rod is movably connected with one side wall in the first shell through a bearing, a threaded ring is sleeved at the outer end of the threaded rod, the threaded rod is in threaded connection with the threaded ring, a sliding block is fixedly arranged at the bottom end of the threaded ring, the sliding block is arranged in the first shell and extends out of the bottom end of the first shell, an outer plate is fixedly arranged at the bottom end of the sliding block, an inner plate is arranged on one side of the outer plate, one side of the inner plate extends into the outer plate, a cutter shell is fixedly arranged on the other side of the inner plate, a plurality of springs are arranged in the outer plate, one ends of the springs are fixedly connected with the inner wall of, one side of the knife shell is contacted with one side of the first shell.

Preferably, a fixing rod is fixedly arranged at the other side of the second casing.

Preferably, the top end of the knife shell is provided with a limiting plate, the knife shell is fixedly connected with the limiting plate through a bolt, and the limiting plate is in contact with the top end of the scraper.

Preferably, a sealing gasket is fixedly arranged on the inner wall of the outer plate and is in contact with the outer end of the inner plate.

Preferably, the bottom end of the first shell is provided with a sliding chute, the sliding chute is arranged on one side of the pipeline, and the sliding block is arranged inside the sliding chute and extends out of the bottom end of the sliding chute.

Preferably, a support ring is fixedly arranged on the inner wall of the first shell, the support ring is arranged between the threaded ring and the second bevel gear, and the threaded rod penetrates through the support ring and is in contact with the support ring.

Adopt above-mentioned technical scheme, because motor drive second gear, first gear, the pipeline, first bevel gear, second bevel gear and threaded rod rotate, make the screw ring, the slider, the planking, the inner panel, sword shell and scraper motion, make scraper and centrifuge inner wall contact, the planking continues the motion and extrudees the spring after that, make the spring produce elasticity, then start centrifuge, centrifuge rotates and produces relative rotation with the scraper, the scraper is scraped off the material on the centrifuge inner wall, the scraper takes place wearing and tearing back with the centrifuge inner wall, at this moment, the elasticity extrusion scraper that the spring produced makes the scraper contact with centrifuge inner wall all the time, guarantee to scrape the material effect, centrifugal operation, utilize the motor to drive the scraper and keep away from the centrifuge inner wall, avoid scraper and centrifuge to take place unnecessary wearing and tearing, increase of service life.

The utility model discloses convenient to use, the simple operation guarantees to scrape the material effect.

Drawings

FIG. 1 is an overall structure diagram of the present invention;

FIG. 2 is an enlarged view of the portion A of FIG. 1;

FIG. 3 is an enlarged view of the portion B of FIG. 1;

fig. 4 is a view showing the internal structure of the first and second housings of the present invention;

fig. 5 is a perspective view of the inner plate and the outer plate of the present invention.

FIG. 6 is a top view of the knife housing and scraper attachment of the present invention;

fig. 7 is an installation diagram of the centrifuge of the present invention.

In the figure, 1-a first shell, 2-a second shell, 3-a pipeline, 4-a first gear, 5-a first bevel gear, 6-a second bevel gear, 7-a threaded rod, 8-a threaded ring, 9-a sliding block, 10-an outer plate, 11-an inner plate, 12-a cutter shell, 13-a spring, 14-a scraper, 15-a second gear, 16-a motor, 17-a fixed rod, 18-a limiting plate, 19-a sealing gasket, 20-a chute and 21-a supporting ring.

Detailed Description

The following description of the present invention will be made with reference to the accompanying drawings 1-7. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features related to the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

The utility model provides a scraper for centrifuge, including first shell 1, first shell 1 top is fixed and is equipped with second shell 2, second shell 2 is inside to be equipped with pipeline 3, pipeline 3 one end extends second shell 2 top, the pipeline 3 other end runs through second shell 2 and first shell 1 and extends first shell 1 bottom, pipeline 3 and first shell 1 pass through bearing swing joint, pipeline 3 outer end is fixed and is equipped with first gear 4, first gear 4 contacts with second shell 2 top, the meshing of first gear 4 one side has second gear 15, second gear 15 bottom is equipped with motor 16, the output of motor 16 and second gear 15 fixed connection, motor 16 is established in second shell 2 one side, pipeline 3 outer end is fixed and is equipped with first bevel gear 5, first bevel gear 5 is established inside first shell 1, a second bevel gear 6 is arranged inside the first shell 1, the second bevel gear 6 is arranged on one side of the pipeline 3 and the first bevel gear 5, the first bevel gear 5 is engaged with the second bevel gear 6, a threaded rod 7 is arranged inside the first shell 1, one end of the threaded rod 7 is fixedly connected with one side of the second bevel gear 6, the other end of the threaded rod 7 is movably connected with one side wall inside the first shell 1 through a bearing, a threaded ring 8 is sleeved outside the threaded rod 7, the threaded rod 7 is in threaded connection with the threaded ring 8, a sliding block 9 is fixedly arranged at the bottom end of the threaded ring 8, the sliding block 9 is arranged inside the first shell 1 and extends out of the bottom end of the first shell 1, an outer plate 10 is fixedly arranged at the bottom end of the sliding block 9, an inner plate 11 is arranged on one side of the outer plate 10, one side of the inner plate 11 extends, the inside a plurality of springs 13 that are equipped with of planking 10, spring 13 one end and planking 10 inner wall fixed connection, the spring 13 other end passes

inner panel

11 and 12 one side fixed connection of sword shell, the inside scraper 14 that is equipped with of sword shell 12, scraper 14 extends sword shell 12 opposite side, sword shell 12 one side contacts with first shell 1 one side.

The fixed dead lever 17 that is equipped with of 2 opposite sides of second shell connects dead lever 17 in external fixed equipment, and it is right to realize the utility model discloses a support.

The top end of the knife shell 12 is provided with a limiting plate 18, the knife shell 12 is fixedly connected with the limiting plate 18 through a bolt, the limiting plate 18 is in contact with the top end of the scraper 14, the top end of the centrifuge is provided with an opening, the knife shell 12 is rotated to the lower side of the opening, and the scraper 14 is taken out and replaced after the limiting plate 18 is detached.

And a sealing gasket 19 is fixedly arranged on the inner wall of the outer plate 10, and the sealing gasket 19 is contacted with the outer end of the inner plate 11 to realize internal sealing of the outer plate 10 and the inner plate 11.

Spout 20 has been seted up to first shell 1 bottom, spout 20 is established in pipeline 3 one side, slider 9 is established inside spout 20 and is extended spout 20 bottom, realizes carrying on spacingly to slider 9 and threaded ring 8's rotation, and the threaded ring 8 of being convenient for moves along threaded rod 7.

Fixed support ring 21 that is equipped with on the first shell 1 inner wall, support ring 21 establishes between threaded ring 8 and second bevel gear 6, threaded rod 7 runs through support ring 21 and contacts with support ring 21, realizes supporting threaded rod 7.

The working principle is as follows:

the first shell 1, the outer plate 10, the inner plate 11, the cutter shell 12 and the scraper 14 are all installed inside a centrifuge, the cutter shell 12 is not contacted with the inner wall of the centrifuge, the second shell 2 penetrates through the top end of the centrifuge and is connected with the top end of the centrifuge by using a sealing bearing, the motor 16 is fixed at the top end of the first shell 1 by using a bolt, and the fixed rod 17 is fixed on external fixed equipment by using a bolt, as shown in figure 7, raw materials can be injected into the centrifuge through the pipeline 3 during centrifugation, during scraping, the motor 16 drives the second gear 15 to rotate so as to drive the first gear 4 to rotate and further drive the pipeline 3 to rotate, the pipeline 3 rotates and drives the first bevel gear 5 to rotate, the first bevel gear 5 rotates and drives the threaded rod 7 to rotate, so that the threaded ring 8 in threaded connection with the threaded rod 7 moves along the threaded rod 7 so as to drive the sliding block 9 and the, and then drive inner panel 11 simultaneously, sword shell 12 and scraper 14 motion, and then make scraper 14 and centrifuge inner wall contact, planking 10 continues the motion and extrudes spring 13 after that, make spring 13 produce elasticity, then close motor 16, start centrifuge, centrifuge rotates and scraper 14 produces relative rotation, scraper 14 scrapes the material on the centrifuge inner wall, because scraper 14 takes place wearing and tearing with the centrifuge inner wall, at this moment, the elasticity extrusion scraper 14 that spring 13 produced makes scraper 14 contact with centrifuge inner wall all the time, guarantee the scraper effect, during centrifugal work, utilize motor 16 to drive scraper 14 and keep away from centrifuge inner wall, avoid scraper 14 and centrifuge to take place unnecessary wearing and tearing, increase of service life.

The embodiments of the present invention have been described in detail with reference to fig. 1 to 7, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in the embodiments without departing from the principles and spirit of the invention, and the scope of the invention is to be accorded the full scope of the claims.

Claims

1. A scraper device for a centrifuge, comprising a first housing (1), characterized in that: the device is characterized in that a second shell (2) is fixedly arranged at the top end of the first shell (1), a pipeline (3) is arranged inside the second shell (2), one end of the pipeline (3) extends out of the top end of the second shell (2), the other end of the pipeline (3) penetrates through the second shell (2) and the first shell (1) and extends out of the bottom end of the first shell (1), the pipeline (3) is movably connected with the first shell (1) through a bearing, a first gear (4) is fixedly arranged at the outer end of the pipeline (3), the first gear (4) is contacted with the top end of the second shell (2), a second gear (15) is meshed at one side of the first gear (4), a motor (16) is arranged at the bottom end of the second gear (15), the output end of the motor (16) is fixedly connected with the second gear (15), and the motor (16) is arranged at one side of the second shell (2), the pipeline is characterized in that a first bevel gear (5) is fixedly arranged at the outer end of the pipeline (3), the first bevel gear (5) is arranged inside a first shell (1), a second bevel gear (6) is arranged inside the first shell (1), the second bevel gear (6) is arranged on one side of the pipeline (3) and the first bevel gear (5), the first bevel gear (5) is meshed with the second bevel gear (6), a threaded rod (7) is arranged inside the first shell (1), one end of the threaded rod (7) is fixedly connected with one side of the second bevel gear (6), the other end of the threaded rod (7) is movably connected with one side wall inside the first shell (1) through a bearing, a threaded ring (8) is sleeved at the outer end of the threaded rod (7), the threaded rod (7) is in threaded connection with the threaded ring (8), and a sliding block (9) is fixedly arranged at the bottom end of the threaded ring, slider (9) are established inside first shell (1) and are extended first shell (1) bottom, slider (9) bottom mounting is equipped with planking (10), planking (10) one side is equipped with inner panel (11), inner panel (11) one side extends into inside planking (10), inner panel (11) opposite side is fixed and is equipped with sword shell (12), planking (10) inside is equipped with a plurality of springs (13), spring (13) one end and planking (10) inner wall fixed connection, spring (13) other end passes inner panel (11) and sword shell (12) one side fixed connection, sword shell (12) inside is equipped with scraper (14), scraper (14) extend sword shell (12) opposite side, sword shell (12) one side contacts with first shell (1) one side.

2. The scraping apparatus for a centrifuge as recited in claim 1, wherein: and a fixing rod (17) is fixedly arranged on the other side of the second shell (2).

3. The scraping apparatus for a centrifuge as recited in claim 1, wherein: the scraper knife is characterized in that a limiting plate (18) is arranged at the top end of the scraper shell (12), the scraper shell (12) is fixedly connected with the limiting plate (18) through a bolt, and the limiting plate (18) is in contact with the top end of the scraper knife (14).

4. The scraping apparatus for a centrifuge as recited in claim 1, wherein: and a sealing gasket (19) is fixedly arranged on the inner wall of the outer plate (10), and the sealing gasket (19) is in contact with the outer end of the inner plate (11).

5. The scraping apparatus for a centrifuge as recited in claim 1, wherein: spout (20) have been seted up to first shell (1) bottom, spout (20) are established in pipeline (3) one side, slider (9) are established inside spout (20) and are extended spout (20) bottom.

6. The scraping apparatus for a centrifuge as recited in claim 1, wherein: fixed support ring (21) that is equipped with on first shell (1) inner wall, support ring (21) are established between screw ring (8) and second bevel gear (6), threaded rod (7) run through support ring (21) and contact with support ring (21).