CN211678275U

CN211678275U - Clean top-suspension bottom-discharge plate centrifuge

Info

Publication number: CN211678275U
Application number: CN201922483052.XU
Authority: CN
Inventors: 王炳高; 何晓平; 陈海东
Original assignee: Zhangjiagang Gaohong Centrifuge Manufacturing Co ltd
Current assignee: Zhangjiagang Gaohong Centrifuge Manufacturing Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-10-16
Anticipated expiration: 2029-12-31

Abstract

The utility model relates to a clean top-suspension bottom-discharge flat centrifuge, which comprises a flat base, wherein the flat base is connected with an outer cylinder body and a top cover, the top cover is connected with a bearing seat, a main shaft and a driving motor, the lower end of the main shaft is fixedly connected with a rotary drum seat, the periphery of the rotary drum seat is connected with a rotary basket, the rotary drum seat is provided with a discharge hole, the flat base is provided with a discharge opening, a liquid opening and a liquid baffle ring, the rotary drum seat comprises a central connecting post, bottom plate and pipe, central spliced pole including set up about and interconnect's connecting portion and extension, the blind hole has been seted up on the connecting portion top, the through-hole has been seted up at the blind hole center, the main shaft passes behind the through-hole and nut threaded connection, form the oil collecting chamber between blind hole inner wall and the main shaft outer wall, the inside grafting of extension has an oil collecting cup, the nut part inserts in the oil collecting cup, the bearing frame lower extreme is connected with leads oil pipe, leads the oil pipe lower extreme and inserts the oil collecting intracavity. The utility model discloses can control effectively and retrieve lubricating oil, improve the upper suspension unloading plate centrifuge's cleanliness factor.

Description

Clean top-suspension bottom-discharge plate centrifuge

The technical field is as follows:

the utility model belongs to centrifuge technical neighborhood, concretely relates to dull and stereotyped centrifuge of unloading under suspension on clean type.

Background art:

the upper suspension lower discharging flat centrifuge is widely used due to the convenience of a discharging mode, but lubricating oil which is indispensable in mechanical transmission easily drips down to solid materials along a main shaft due to the fact that the driving device is arranged on the upper portion, and the solid materials are polluted. Therefore, how to effectively control the pollution of the lubricating oil and further improve the cleanliness of the top-suspension unloading flat centrifuge is a technical problem which needs to be solved urgently.

The utility model has the following contents:

the utility model discloses the technical problem who at first will solve is: the clean top-hung and bottom-hung discharging flat plate centrifuge can effectively control and recover lubricating oil and prevent the lubricating oil from dropping into solid materials to pollute the solid materials.

In order to solve the technical problem, the utility model discloses a technical scheme is: a clean top-suspension bottom-discharge flat centrifuge comprises a flat base, wherein the lower surface of the flat base is connected with at least three supporting legs, the upper surface of the flat base is connected with an outer cylinder body, the top end of the outer cylinder body is connected with a top cover, the top cover is provided with a main drive mounting hole, a feeding hole and a material scraping hole, the main drive mounting hole is connected with a bearing seat, the bearing seat is rotationally connected with a main shaft vertically inserted into the outer cylinder body, the upper end of the bearing seat is connected with a driving motor for driving the main shaft to rotate, the lower end of the main shaft is fixedly connected with a rotary drum seat, the periphery of the rotary drum seat is connected with a rotary basket, the rotary basket is fully distributed with filter holes, the rotary drum seat is provided with a discharge hole, the flat base is provided with a discharge opening corresponding to the discharge hole, the flat base is additionally provided with a, the feeding hole is internally and hermetically connected with a feeding pipe with the lower end inserted into the rotary basket, the scraping hole is connected with a scraper device, a scraper shaft of the scraper device penetrates through the top cover to be inserted into the rotary basket, the lower end of the scraper shaft is connected with a scraper, the rotary drum seat comprises a central connecting column, an annular bottom plate and a cylindrical guide pipe, the annular bottom plate and the cylindrical guide pipe are coaxially arranged at the periphery of the central connecting column, the guide pipe is hermetically connected in the central hole of the bottom plate and extends downwards into an insertion discharging port, a plurality of connecting plates extending outwards along the radial direction of the central connecting column are axially and uniformly distributed on the outer wall of the central connecting column, one end of each connecting plate, far away from the central connecting column, is fixedly connected with the inner wall of the guide pipe, an annular channel between the guide pipe and the central connecting column forms a, the main shaft is connected with a nut at the bottom of the connecting part in a threaded manner after penetrating through the through hole, an annular oil collecting cavity is formed between the inner wall of the blind hole and the outer wall of the main shaft, an oil collecting cup is inserted in the extending part and comprises a tubular cup body and a cup bottom connected to the middle lower part of the cup body, the top of the cup body is connected with an annular retainer ring, the central hole of the retainer ring is larger than the outer diameter of the nut, the cup body below the cup bottom is fixedly connected with the extending part through a screw, the retainer ring at the upper end of the oil collecting cup is attached to the lower end face of the connecting part, the nut is partially inserted into the oil collecting cup, the lower end of the bearing seat penetrates through a main drive mounting hole and is inserted into the rotating basket, a certain distance is reserved between the lower end of the bearing seat and the upper end of the central connecting column, the lower end of, the lower end of the material blocking cover is positioned below the upper end of the central connecting column, and the material blocking cover and the central connecting column are separated from each other.

As a preferable scheme, an oil absorption felt is arranged in the oil collecting cup.

As a preferred scheme, a hopper-shaped material guide plate is connected to the bottom plate, the upper end of the material guide plate is hermetically connected with the inner wall of the rotary basket, and the lower end of the material guide plate extends to the edge of the discharge opening and is hermetically connected with the bottom plate.

The utility model has the advantages that: the utility model discloses a special construction's central spliced pole, cup joint the outer oil pipe of leading of main shaft and connect the oil collecting cup in central spliced pole, control and collect bearing housing and the epaxial lubricating oil of main shaft, make lubricating oil finally all collect in the oil collecting cup and do not take place the water clock phenomenon to control effectively and retrieve lubricating oil, avoid lubricating oil to drip to the solid material in and pollute the solid material, improve and hang down unloading plate centrifuge's cleanliness factor.

The utility model discloses further through set up the oil absorption felt in the collection oil cup, make lubricating oil adsorb and reduce the centrifugation phenomenon of mobile lubricating oil by the oil absorption felt, avoid lubricating oil to spill over from gathering oil cup, further ensure effective control and the recovery to lubricating oil, avoid lubricating oil to drip.

The utility model discloses further through be connected with fill shape stock guide on the bottom plate, when making the scraper scrape the material, the material can slide to the discharge opening along the stock guide inclined plane on falling the stock guide, makes centrifuge unload more thoroughly, and the back centrifuge of unloading is inside cleaner.

Description of the drawings:

the following detailed description of embodiments of the present invention is provided with reference to the accompanying drawings, in which:

fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a schematic view of the connection structure between the central connection column and the main shaft of the present invention;

fig. 3 is a schematic structural view of the oil collecting cup of the present invention.

In fig. 1 to 3: 1. the oil collecting device comprises a flat plate base, 2, supporting legs, 3, an outer cylinder body, 4, a top cover, 5, a main drive mounting hole, 6, a feeding hole, 7, a scraping hole, 8, a bearing seat, 9, a spindle, 10, a driving motor, 11, a rotary drum seat, 1101, a central connecting column, 110101, a connecting part, 110102, an extending part, 1102, a bottom plate, 1103, a guide pipe, 1104, a connecting plate, 12, a rotary basket, 13, a filtering hole, 14, a discharging hole, 15, a discharging opening, 16, a liquid discharging opening, 17, a liquid discharging pipe, 18, a liquid blocking ring, 19, a feeding pipe, 20, a scraper device, 2001, a scraper shaft, 2002, a scraper, 21, a blind hole, 22, a through hole, 23, a nut, 24, an oil collecting cavity, 25, an oil collecting cup, 2501, a cup body, 2502, a cup bottom, 2503, a retaining ring, 26, a screw, 27, a flange ring, 28, an oil guiding pipe, 29, a material blocking cover, 30.

The specific implementation mode is as follows:

the following describes in detail a specific embodiment of the present invention with reference to the drawings.

As shown in fig. 1-3, the clean top-suspended bottom-discharge flat plate centrifuge comprises a flat plate base 1, four support legs 2 are connected to the lower surface of the flat plate base 1 to support the flat plate base 1, an outer cylinder 3 is connected to the upper surface of the flat plate base 1, a top cover 4 is connected to the top end of the outer cylinder 3, a main drive mounting hole 5, a feed hole 6 and a material scraping hole 7 are formed in the top cover 4, a bearing seat 8 is connected to the main drive mounting hole 5, a spindle 9 vertically inserted into the outer cylinder 3 is rotatably connected to the bearing seat 8, a driving motor 10 for driving the spindle 9 to rotate is connected to the upper end of the bearing seat 8, a drum seat 11 is fixedly connected to the lower end of the spindle 9, a rotary basket 12 is connected to the periphery of the drum seat 11, filter holes 13 are fully distributed on the rotary basket 12, a discharge hole 14 is formed in the drum seat 11, a discharge opening 15 corresponding to the discharge hole, a liquid discharge pipe 17 extending to the outside is connected to the liquid discharge port 16, a liquid blocking ring 18 surrounding the edge of the discharge port 15 is connected to the flat base 1, a feed pipe 19 with the lower end inserted into the rotary basket 12 is connected to the feed hole 6 in a sealing manner, a scraper device 20 is connected to the scraper hole 7, a scraper shaft 2001 of the scraper device 20 is inserted into the rotary basket 12 through the top cover 4, a scraper 2002 is connected to the lower end of the scraper shaft 2001, the rotary drum base 11 comprises a central connecting column 1101, an annular bottom plate 1102 and a cylindrical guide pipe 1103, the annular bottom plate 1102 and the cylindrical guide pipe 1103 are coaxially arranged on the periphery of the central connecting column 1101, the guide pipe 1103 are connected to the central hole of the bottom plate 1102 in a sealing manner and extend downwards to the inside of the discharge port 15, a plurality of connecting plates 1104 extending outwards along the radial direction of the central connecting column 1101 are axially distributed on the outer wall 1101 of the central connecting column, one end, the central connecting column 1101 comprises a frustum-shaped connecting part 110101 and a cylindrical extending part 110102 which are arranged up and down and are connected with each other, the top end of the connecting part 110101 is provided with a blind hole 21, the center of the blind hole 21 is provided with a through hole 22 for inserting a main shaft 9, the main shaft 9 penetrates through the through hole 22 and then is in threaded connection with a nut 23 positioned at the bottom of the connecting part 110101, an annular oil collecting cavity 24 is formed between the inner wall of the blind hole 21 and the outer wall of the main shaft 9 for collecting lubricating oil, an oil collecting cup 25 is inserted in the extending part 110102 and comprises a tubular cup body 2501 and a cup bottom 2502 connected to the middle lower part of the cup body 2501, the top of the cup body 2501 is connected with an annular retainer ring 2503, the central hole of the retainer ring 2503 is larger than the outer diameter of the nut 23, the cup body 2501 below the cup bottom 2502 is fixedly connected with the extending part 110102 through a screw 26, the retainer ring 3 at the upper, a certain distance is reserved between the lower end of the bearing seat 8 and the upper end of the central connecting column 1101, the lower end of the bearing seat 8 is connected with an oil guide pipe 28 through a flange ring 27, the oil guide pipe 28 is sleeved on the spindle 9, the lower end of the oil guide pipe is inserted into the oil collecting cavity 24, the outer wall of the oil guide pipe 28 is connected with a conical cylinder-shaped material blocking cover 29, the upper portion of the central connecting column 1101 is covered downwards by the material blocking cover 29, the lower end of the material blocking cover 29 is located below the upper end of the central connecting column 1101, the material blocking cover 29 and the central connecting column 1101 are separated from each other, and the material blocking cover 29 can prevent material splashes.

As shown in fig. 2, an oil absorption felt 30 is disposed in the oil collecting cup 25 to absorb the lubricating oil and prevent the lubricating oil from overflowing the oil collecting cup 25 due to centrifugal force.

As shown in fig. 1, a hopper-shaped material guide plate 31 is connected to the bottom plate 1102, the upper end of the material guide plate 31 is hermetically connected to the inner wall of the spin basket 12, the lower end of the material guide plate 31 extends to the edge of the discharge opening 15 and is hermetically connected to the bottom plate 1102, the upper surface of the material guide plate 31 is smooth, filter cake filter residues fall onto the material guide plate 31 and can slide downwards into the discharge hole 14 along the inclined surface of the material guide plate 31, and the internal cleanliness of the discharged centrifuge is improved.

The utility model discloses the working process is: as shown in fig. 1 to fig. 3, a driving motor 10 is started, the driving motor 10 drives a main shaft 9 to rotate in a bearing seat 8, the main shaft 9 drives a rotary drum bottom 11 fixedly connected to the lower end of the main shaft to rotate, the rotary drum bottom drives a rotary basket 12 to rotate, then a solid-liquid mixed material is injected into the rotary basket 12 through a feeding pipe 19, the material clings to the inner side wall of the rotary basket 12 under the centrifugal action and throws out liquid from the rotary basket 12 through a filtering hole 13, solid particles are intercepted on the inner side wall of the rotary basket 12 and gradually form a filter cake, after the solid-liquid separation is finished, the rotary basket 12 is slowly rotated, scrapers of a scraper device 20 are controlled to gradually contact with the filter cake and scrape the filter cake, the filter cake falls onto a material guide plate 31 and then slides into a discharging hole 14 along the material guide plate 31, the filter cake is discharged out of the centrifuge through the discharging hole 14 and a discharging hole 15, and the liquid material thrown out of the rotary, and flows into drain pipe 17 through drain port 16 and out of the centrifuge through drain pipe 17.

When the main shaft 9 runs at a high speed, a small amount of lubricating liquid in the bearing seat 8 flows downwards along the main shaft 9, when the lubricating liquid flows between the bearing seat 8 and the central connecting column 1101, the lubricating liquid is thrown outwards from the outer wall of the main shaft 9 under the action of centrifugal force, collides with the oil guide pipe 28, flows downwards along the oil guide pipe 28, finally flows into the oil collecting cavity 24, the lubricating oil entering the oil collecting cavity 24 continuously flows downwards along the main shaft 9 until the lubricating oil drops into the oil collecting cup 25 from the nut 23, when the amount of the lubricating oil in the oil collecting cup 25 is small, the lubricating oil is locked by the oil absorption felt 30 and cannot overflow the oil collecting cup 25 under the action of centrifugal force, when the amount of the lubricating oil in the oil collecting cup 25 is large, part of the lubricating oil is locked by the oil absorption felt 30, and even if the part of the lubricating oil clings to the inner wall of the cup body 2501 of the oil collecting cup 25.

In order to ensure that the lubricating oil in the oil collecting cavity 24 can smoothly flow downwards into the oil collecting cup 25, a downwards extending oil guiding groove 32 can be further formed in the main shaft 9, the upper end of the oil guiding groove 32 is communicated with the oil collecting cavity 24, and the lower end of the oil guiding groove is uniformly extended to the lower end of the main shaft 9. The lower end of the main shaft 9 is inserted into the oil collecting cup 25, and the lubricating oil is directly guided into the oil collecting cup 25.

The above embodiments are merely illustrative of the principles and effects of the present invention, and some embodiments in use, and are not intended to limit the invention; it should be noted that, for those skilled in the art, various changes and modifications can be made without departing from the inventive concept of the present invention, and these changes and modifications belong to the protection scope of the present invention.

Claims

1. A clean top-suspension bottom-discharge flat centrifuge comprises a flat base (1), wherein the lower surface of the flat base (1) is connected with at least three support legs (2), the upper surface of the flat base (1) is connected with an outer cylinder (3), the top end of the outer cylinder (3) is connected with a top cover (4), a main drive mounting hole (5), a feed hole (6) and a material scraping hole (7) are formed in the top cover (4), a bearing seat (8) is connected to the main drive mounting hole (5), a spindle (9) vertically inserted into the outer cylinder (3) is rotationally connected to the bearing seat (8), a driving motor (10) for driving the spindle (9) to rotate is connected to the upper end of the bearing seat (8), a rotary drum seat (11) is fixedly connected to the lower end of the spindle (9), a rotary basket (12) is connected to the periphery of the rotary drum seat (11), filter holes (13) are fully distributed in the rotary basket (12), the rotary drum type automatic material scraping device is characterized in that a discharging opening (15) corresponding to a discharging hole (14) is formed in the flat base (1), a liquid discharging opening (16) is formed in the flat base (1), a liquid discharging pipe (17) extending to the outside is connected to the liquid discharging opening (16), a liquid blocking ring (18) surrounding the edge of the discharging opening (15) is connected to the flat base (1), a feeding pipe (19) with the lower end inserted into the rotary basket (12) is connected to the feeding hole (6) in a sealing mode, a scraper device (20) is connected to the scraper hole (7), a scraper shaft (2001) of the scraper device (20) penetrates through the top cover (4) and is inserted into the rotary basket (12), and a scraper (2002) is connected to the lower end of the scraper shaft (2001), the rotary drum base (11) comprises a central connecting column (1101), an annular bottom plate (1102) and a cylindrical guide pipe (1103) which are coaxially arranged on the, the guide pipe (1103) is connected in a central hole of the bottom plate (1102) in a sealing manner and extends downwards to the inside of the insertion discharge opening (15), a plurality of connecting plates (1104) extending outwards along the radial direction are axially and uniformly distributed on the outer wall of the central connecting column (1101), one end, far away from the central connecting column (1101), of each connecting plate (1104) is fixedly connected with the inner wall of each guide pipe (1103), an annular channel between each guide pipe (1103) and the central connecting column (1101) forms a discharge hole (14), each central connecting column (1101) comprises a frustum-shaped connecting part (110101) and a cylindrical extending part (110102) which are arranged up and down and connected with each other, a blind hole (21) is formed in the top end of each connecting part (110101), a through hole (22) for inserting the spindle (9) is formed in the center of each blind hole (21), the spindle (9) penetrates through the through hole (22) and is in threaded connection with a nut (23) positioned at the bottom of each connecting, an oil collecting cup (25) is inserted in the extending part (110102), the oil collecting cup (25) comprises a tubular cup body (2501) and a cup bottom (2502) connected to the middle lower part of the cup body (2501), the top of the cup body (2501) is connected with an annular retainer ring (2503), a central hole of the retainer ring (2503) is larger than the outer diameter of a nut (23), the cup body (2501) below the cup bottom (2502) is fixedly connected with the extending part (110102) through a screw (26), the upper end retainer ring (2503) of the oil collecting cup (25) is attached to the lower end face of the connecting part (110101), part of the nut (23) is inserted into the oil collecting cup (25), the lower end of a bearing seat (8) penetrates through a main drive mounting hole (5) and is inserted into a rotating basket (12), a certain distance is reserved between the lower end of the bearing seat (8) and the upper end of a central connecting column (1101), the lower end of the bearing seat (8) is connected with a guide ring (28) through a flange ring (27), the outer wall of the oil guide pipe (28) is connected with a conical cylinder-shaped material blocking cover (29), the material blocking cover (29) covers the upper portion of the central connecting column (1101) downwards, the lower end of the material blocking cover (29) is located below the upper end of the central connecting column (1101), and the material blocking cover (29) and the central connecting column (1101) are separated from each other.

2. The clean top-down discharge plate centrifuge as defined in claim 1, wherein an oil absorption felt (30) is provided in said oil collecting cup (25).

3. The clean top-suspension bottom-discharge plate centrifuge as claimed in claim 1, wherein a hopper-shaped material guide plate (31) is connected to the bottom plate (1102), the upper end of the material guide plate (31) is connected with the inner wall of the spin basket (12) in a sealing manner, and the lower end of the material guide plate extends to the edge of the discharge opening (15) and is connected with the bottom plate (1102) in a sealing manner.