CN212418357U

CN212418357U - Sealing device of mineral powder metallurgy centrifugal machine

Info

Publication number: CN212418357U
Application number: CN202020943707.7U
Authority: CN
Inventors: 张建平
Original assignee: Zhangjiagang Xinhua Chemical Machinery Co ltd
Current assignee: Zhangjiagang Xinhua Chemical Machinery Co ltd
Priority date: 2020-05-29
Filing date: 2020-05-29
Publication date: 2021-01-29
Anticipated expiration: 2030-05-29

Abstract

The utility model belongs to the technical field of centrifuge, concretely relates to mineral powder metallurgy centrifuge sealing device, the organism subassembly includes the centrifuge body, the centrifuge body inside intermediate position department is provided with the centrifuge bowl that is used for the mineral powder metallurgy, centrifuge body upper surface border position department is provided with the articulated elements, articulated on the articulated elements have the upper cover that is used for closed centrifuge body top surface, interior seal subassembly includes the sealed post, the upper cover is close to fixed connection sealed post on the surface of centrifuge bowl, set up the ring channel between centrifuge bowl and the centrifuge body, sealed post and the ring channel interference fit, still be provided with circular sealing gasket in the sealed post, the upper cover outside is provided with the exterior seal subassembly that is used for sealing the upper cover; the utility model provides a have the problem in gap between centrifuge bowl opening and the upper cover, avoided centrifuge during operation powdered ore to be waved and spill the problem of going out.

Description

Sealing device of mineral powder metallurgy centrifugal machine

Technical Field

The utility model belongs to the technical field of centrifuge, concretely relates to mineral powder metallurgy centrifuge's sealing device.

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.

The general upper cover of current mineral powder metallurgy centrifuge is articulated through the articulated elements between with the centrifuge body, therefore when covering the upper cover, has certain clearance between upper cover and the centrifuge body to this internal centrifugation jar of centrifuge also with the upper cover also sealed not tight and have certain clearance, can lead to volatilizing away mineral powder under centrifuge high-speed operation, influence mineral powder metallurgy centrifuge's result of use, consequently, made the improvement to current mineral powder metallurgy centrifuge.

SUMMERY OF THE UTILITY MODEL

The utility model provides a mineral powder metallurgy centrifuge's sealing device aims at solving and has certain clearance between current upper cover and the centrifuge body among the above-mentioned background art to this internal centrifuging pot of centrifuge also with the upper cover also sealed not tight and have the problem in certain clearance.

In order to achieve the above object, the utility model provides a following technical scheme: the sealing device of the mineral powder metallurgy centrifugal machine comprises a machine body assembly, an inner sealing assembly and an outer sealing assembly, wherein the machine body assembly comprises a centrifugal machine body, a centrifugal tank for mineral powder metallurgy is arranged at the middle position in the centrifugal machine body, a circular opening is formed in the top surface of the centrifugal tank, an articulated piece is arranged at the edge position of the upper surface of the centrifugal machine body, and an upper cover for closing the top surface of the centrifugal machine body is articulated on the articulated piece;

the inner sealing assembly comprises a sealing column, the upper cover is close to the sealing column of the centrifugal tank, the sealing column is in a circular ring shape, the annular groove is formed between the centrifugal tank and the centrifuge body, the sealing column is in interference fit with the annular groove, a circular sealing gasket is further arranged in the sealing column, the diameter of the sealing gasket is equal to that of the circular opening in the top surface of the centrifugal tank, and the outer portion of the upper cover is provided with the outer sealing assembly used for sealing the upper cover.

Preferably, the outer seal assembly comprises a seal cover, the seal cover is a hollow box structure with an opening in the bottom surface, a mounting block is fixedly connected to the outer surface of the centrifuge body near the top, a mounting groove is formed in the upper surface of the mounting block, and the bottom of the seal cover is in clearance fit with the mounting groove.

Preferably, the outer seal assembly further comprises studs and a fixing plate, the two side walls of the seal cover are respectively and fixedly connected with the studs, the two side walls of the mounting block are respectively and fixedly connected with the studs, the number of the fixing plates is two, the side wall of the fixing plate is provided with two threaded holes corresponding to the studs, and one end of each stud is in threaded connection with a fastening nut.

Preferably, the outer seal assembly further comprises a handle, and the top of the seal cover is fixedly connected with the handle.

Preferably, the machine body assembly further comprises two insertion columns fixedly connected to the surface of the upper cover close to the centrifugal tank, the two insertion columns are respectively located on two sides of the sealing column, two insertion slots corresponding to the two insertion columns are formed in the upper surface of the centrifuge body, and the insertion columns are in interference fit with the insertion slots.

Preferably, the handle is provided with a non-slip bulge or a non-slip mat.

Compared with the prior art, the beneficial effects of the utility model are that: through sealing post and ring channel interference fit among the interior seal assembly, the sealed size of filling up simultaneously is the same with the size of centrifugation jar opening again, can seal the centrifugation jar opening through sealing post and sealed the pad when the upper cover is closed centrifuge body, the problem that has the gap between centrifugation jar opening and the upper cover has been solved, the problem of having certain clearance between upper cover and the centrifuge body has been avoided the powdered ore in centrifuge operation high-speed moving centrifugation jar to be waved away, seal through the upper cover of external seal assembly to outside simultaneously, cooperate the installation with the mounting groove on sealed cowling and the installation piece, the problem of having certain clearance between upper cover and the centrifuge body has been solved, play double seal's effect through having played interior seal assembly and exterior seal assembly, make sealed effectual.

Drawings

FIG. 1 is a schematic perspective view of the present invention (with the sealing pad removed);

FIG. 2 is a schematic perspective view of the present invention (including the sealing gasket);

FIG. 3 is a top view of the present invention (with the outer seal assembly removed);

fig. 4 is a front view of the present invention in a sealed state;

FIG. 5 is an enlarged view of a portion of FIG. 4 at A;

fig. 6 is a side view of the fixing plate of the present invention

In the figure: 1-machine body component, 11-centrifuge body, 111-slot, 12-centrifuge tank, 13-hinge part, 14-upper cover, 15-plug column, 2-inner sealing component, 21-sealing column, 22-sealing gasket, 23-annular groove, 3-outer sealing component, 31-sealing cover, 32-mounting block, 321-mounting groove, 33-stud, 34-fixing plate, 341-mounting groove, 35-fastening nut and 36-handle.

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.

Referring to fig. 1-6, the present invention provides a technical solution: a sealing device of a mineral powder metallurgy centrifugal machine comprises a machine body assembly 1, an inner sealing assembly 2 and an outer sealing assembly 3, wherein the machine body assembly 1 comprises a centrifugal machine body 11, a centrifugal tank 12 for mineral powder metallurgy is arranged at the middle position in the centrifugal machine body 11, the top surface of the centrifugal tank 12 is provided with a circular opening, an articulated piece 13 is arranged at the edge position of the upper surface of the centrifugal machine body 11, and an upper cover 14 for closing the top surface of the centrifugal machine body 11 is articulated on the articulated piece 13;

interior seal assembly 2 includes sealed post 21, upper cover 14 is close to the sealed post 21 of fixed connection on the surface of centrifugation jar 12, sealed post 21 is ring shape, ring channel 23 has been seted up between centrifugation jar 12 and the centrifuge body 11, sealed post 21 and ring channel 23 interference fit, still be provided with circular sealed pad 22 in the sealed post 21, the diameter size of sealed pad 22 equals the diameter size of the circular opening of centrifugation jar 12 top surface, upper cover 14 outside is provided with the outer seal assembly 3 that is used for sealed upper cover 14.

In this embodiment, when the hinge 13 is used to drive the upper cover 14 to close the top surface of the centrifuge body 11, the sealing column 21 is in interference fit with the annular groove 23, the sealing gasket 22 in the sealing column 21 seals the circular opening on the top surface of the centrifuge can 12, because the diameter of the sealing gasket 22 is equal to the diameter of the circular opening on the top surface of the centrifuge can 12, the sealing effect of the sealing column 21 on the centrifuge can 12 is good, the hinge 13 is generally a hinge commonly used in life, at this time, after the upper cover 14 is covered by the hinge, a certain gap is generated between the upper cover 14 and the top surface of the centrifuge body 11, if mineral powder in the centrifuge can 12 is not provided with a sealing device, the mineral powder in the centrifuge can 12 is certainly volatilized, because the annular sealing column 21 is inserted into the annular groove 23 and is in interference fit with the annular groove 23, even if a gap is formed between the upper cover 14 and the centrifuge body 11, the, and the upper cover 14 is further sealed by the outer sealing assembly 3, so that the inner part and the outer part are doubled, and the sealing effect is good.

Further, outer sealing assembly 3 includes sealed cowling 31, and sealed cowling 31 is that the bottom surface has an open-ended hollow box structure, is close to top position department fixedly connected with installation piece 32 on the centrifuge body 11 surface, has seted up mounting groove 321 on the installation piece 32 upper surface, and sealed cowling 31 bottom and mounting groove 321 clearance fit.

In the present embodiment, the sealing cover 31 is in clearance fit with the mounting groove 321 on the upper surface of the mounting block 32, so that the sealing cover 31 having a hollow box structure with an opening on the bottom surface can cover the upper cover 14, thereby avoiding the problem of a certain gap between the upper cover 14 and the centrifuge body 11.

Further, the outer sealing assembly 3 further comprises studs 33 and fixing plates 34, the studs 33 are fixedly connected to two side walls of the sealing cover 31, the studs 33 are also fixedly connected to two side walls of the mounting block 32, the number of the fixing plates 34 is two, two threaded holes 341 corresponding to the two studs 33 are formed in the side walls of the fixing plates 34, and fastening nuts 35 are connected to one ends of the studs 33 in a threaded manner.

In the present embodiment, after the sealing cap 31 is mounted, the two threaded holes 341 in the fixing plate 34 are inserted into the studs 33 on the side wall of the mounting block 32 and the studs 33 on the side wall of the sealing cap 31, so that the sealing cap 31 is stably mounted on the mounting block 32 by the fixing plate 34, and then the fastening nut 35 is screwed in, so that the fastening nut 35 is tightly attached to the fixing plate 34, thereby achieving a stable effect.

Further, the outer sealing assembly 3 further includes a handle 36, and the handle 36 is fixedly connected to the top of the sealing cover 31.

In this embodiment, the handle 36 fixedly connected to the top of the sealing cap 31 facilitates the worker to remove the sealing cap 31.

Further, organism subassembly 1 is still including inserting post 15, and upper cover 14 is close to two posts 15 of inserting of fixedly connected with on the surface of centrifugation jar 12, and two are inserted post 15 and are located the both sides of sealed post 21 respectively, have seted up on centrifuge body 11 upper surface with two slots 111 of inserting corresponding of post 15, insert post 15 and slot 111 interference fit.

In this embodiment, when the upper cover 14 is closed, the two insertion posts 15 and the two insertion grooves 111 are in interference fit, so that the upper cover 14 can be stably closed on the centrifuge body 11.

Further, a non-slip protrusion or a non-slip pad is provided on the handle 36.

In this embodiment, the anti-slip protrusion or the anti-slip pad provided on the handle 36 prevents the worker from slipping the handle 36, thereby achieving a good anti-slip effect.

The utility model discloses a theory of operation and use flow: the utility model discloses after installing, when driving upper cover 14 and closing centrifuge body 11 top surface through articulated elements 13, with sealed

post

21 and 23 interference fit of ring channel, sealed 22 of filling up in the sealed post 21 seals the circular opening of 12 top surfaces of centrifuge bowl, because the diameter size of sealed 22 of filling up equals the diameter size of the circular opening of 12 top surfaces of centrifuge bowl for sealed post 21 is effectual to the sealed of centrifuge bowl 12, and the lid 14 is further sealed to rethread external seal subassembly 3, and inside and outside is carried on doubly.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a mineral powder metallurgy centrifuge's sealing device, includes organism subassembly (1), interior seal assembly (2) and outer seal assembly (3), its characterized in that: the machine body assembly (1) comprises a centrifuge body (11), a centrifugal tank (12) for mineral powder metallurgy is arranged in the middle of the inside of the centrifuge body (11), a circular opening is formed in the top surface of the centrifugal tank (12), a hinged piece (13) is arranged at the edge of the upper surface of the centrifuge body (11), and an upper cover (14) for closing the top surface of the centrifuge body (11) is hinged to the hinged piece (13);

interior seal assembly (2) are including sealed post (21), upper cover (14) are close to the sealed post of fixed connection (21) on the surface of centrifugation jar (12), sealed post (21) are ring shape, centrifugation jar (12) with ring channel (23) have been seted up between centrifuge body (11), sealed post (21) with ring channel (23) interference fit, still be provided with circular sealed pad (22) in sealed post (21), the diameter size of sealed pad (22) equals the diameter size of the circular opening in centrifugation jar (12) top surface, upper cover (14) outside is provided with and is used for sealing the external seal subassembly (3) of upper cover (14).

2. The sealing device of the mineral powder metallurgy centrifuge according to claim 1, wherein: the outer sealing assembly (3) comprises a sealing cover (31), the sealing cover (31) is a hollow box structure with an opening on the bottom surface, a mounting block (32) is fixedly connected to the position close to the top on the outer surface of the centrifuge body (11), a mounting groove (321) is formed in the upper surface of the mounting block (32), and the bottom of the sealing cover (31) is in clearance fit with the mounting groove (321).

3. The sealing device of the mineral powder metallurgy centrifuge according to claim 2, wherein: the outer seal assembly (3) further comprises a stud (33) and a fixing plate (34), the two side walls of the seal cover (31) are respectively and fixedly connected with the studs (33), the two side walls of the installation block (32) are respectively and fixedly connected with the studs (33), the fixing plate (34) is two in number, two threaded holes (341) corresponding to the studs (33) are formed in the side wall of the fixing plate (34), and one end of each stud (33) is in threaded connection with a fastening nut (35).

4. The sealing device of the mineral powder metallurgy centrifuge according to claim 2, wherein: the outer sealing assembly (3) further comprises a handle (36), and the handle (36) is fixedly connected to the top of the sealing cover (31).

5. The sealing device of the mineral powder metallurgy centrifuge according to claim 1, wherein: organism subassembly (1) is still including inserting post (15), upper cover (14) are close to two fixedly connected with on the surface of centrifugation jar (12) insert post (15), two insert post (15) and be located respectively the both sides of sealed post (21), seted up on centrifuge body (11) upper surface with two insert two corresponding slot (111) of post (15), insert post (15) with slot (111) interference fit.

6. The sealing device of the mineral powder metallurgy centrifuge according to claim 4, wherein: the handle (36) is provided with an anti-skid bulge or an anti-skid pad.