CN213967169U

CN213967169U - Centrifugal machine

Info

Publication number: CN213967169U
Application number: CN202021497461.1U
Authority: CN
Inventors: 刘锋
Original assignee: Wuhan Chengfeng Machinery Manufacturing Co ltd
Current assignee: Wuhan Chengfeng Machinery Manufacturing Co ltd
Priority date: 2020-07-24
Filing date: 2020-07-24
Publication date: 2021-08-17
Anticipated expiration: 2030-07-24

Abstract

The utility model relates to a centrifuge, which comprises a base; the outer shell is fixed on the base; the inner rotary drum is movably arranged in the outer shell and comprises a rotary drum shell, the bottom of the rotary drum shell is provided with a fixed hole, and the edge of the fixed hole extends towards the outside of the rotary drum shell to form a fixed ring part; actuating mechanism, including motor, driving medium, axis of rotation and mounting, the motor expansion end is connected with the driving medium, and the driving medium is connected with axis of rotation one end, and the axis of rotation other end stretches into in the shell with fixed ring portion surface threaded connection, in the mounting part stretches into the fixed orifices, with fixed ring portion internal surface threaded connection, mounting part and rotary drum shell inner wall butt. The utility model discloses be provided with mounting, fixed ring portion and axis of rotation, the three is mutually supported fixedly, makes the rotary drum casing can dismantle with actuating mechanism and links, can carry out quick replacement to the rotary drum casing, reduces equipment down time, improves work efficiency.

Description

Centrifugal machine

Technical Field

The utility model relates to a building stones processing technology field specifically is a centrifuge.

Background

Centrifuges are machines that use the inertial centrifugal force generated by the rotation of a rotating drum to separate or concentrate a suspension or an emulsion. And in carrying out centrifugal decomposition to some materials again, its operating temperature is higher, and under this operational environment, when carrying out centrifugal treatment to following material after the centrifugation finishes, can need wait equipment cooling back can clear up the material in the rotary drum usually to make equipment down time longer, work efficiency greatly reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at above-mentioned current situation, provide a centrifuge, can be right the rotary drum casing carries out quick replacement, reduces equipment down time, improves work efficiency.

The utility model adopts the technical proposal that: a centrifuge, comprising:

a base;

the outer shell is fixed on the base;

the inner rotary drum is movably arranged in the outer shell and comprises a rotary drum shell, the bottom of the rotary drum shell is provided with a fixed hole, and the edge of the fixed hole extends towards the outside of the rotary drum shell to form a fixed ring part;

the driving mechanism comprises a motor, a driving part, a rotating shaft and a fixing part, wherein the movable end of the motor is connected with the driving part, the driving part is connected with one end of the rotating shaft, the other end of the rotating shaft extends into the outer shell and is in threaded connection with the outer surface of the fixed ring part, a first external thread is arranged on the inner wall of the fixed ring part, a second external thread is arranged on the outer wall of the fixed ring part, the fixing part extends into the fixed hole and is in threaded connection with the inner surface of the fixed ring part, and the fixing part is abutted to the inner wall of the rotary drum shell.

The utility model has the effects that: centrifuge, be provided with the mounting fixed ring portion reaches axis of rotation, the three is mutually supported fixedly, makes the rotary drum casing with actuating mechanism can dismantle the link, can be right the rotary drum casing carries out quick replacement, reduces equipment down time, improves work efficiency.

Drawings

Fig. 1 is a schematic structural diagram of a centrifuge according to the present invention;

FIG. 2 is an enlarged schematic view of the connection between the inner drum and the drive mechanism of FIG. 1;

FIG. 3 is an enlarged schematic view of FIG. 1 at A;

fig. 4 is an enlarged schematic view of the point B in fig. 1.

Detailed Description

The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The present invention can also be implemented or applied through other different specific embodiments, and various details in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention.

The centrifuge of the present invention is described below with reference to the accompanying drawings:

referring to fig. 1-4, a centrifuge according to the present invention includes: shell body 1, interior drum 2, actuating mechanism 3 and base 4, shell body 1 is fixed on the base 4, interior drum 2 sets up in the shell body 1, and with actuating mechanism 3's expansion end is connected, actuating mechanism 3 drives interior drum 2 is relative shell body 1 rotates.

The outer shell 1 comprises a box body 11 with an uncovered upper end and a centrifuge end cover 12, the centrifuge end cover 12 is detachably connected with the upper end of the box body 11, and preferably, the centrifuge end cover 12 is clamped with the upper end of the box body 11.

A containing groove 13 is formed in the box body 11, a rotating through hole and a liquid discharge port 131 are formed in the bottom of the containing groove 13, the inner rotary drum 2 is arranged in the containing groove 13, and the movable end of the driving mechanism 3 penetrates through the rotating through hole and is connected with the inner rotary drum 2 in the containing groove 13 to drive the inner rotary drum 2 to rotate.

The inner rotary drum 2 comprises a rotary drum shell 21, a rotary drum upper cover 22 and a filter ring 23, the rotary drum shell 21 is a box body with an uncovered upper end, a separation hole 211 is formed in the side wall of the rotary drum shell 21, the filter ring 23 is embedded in the inner wall of the rotary drum shell 21, and the rotary drum upper cover 22 is clamped with the upper end of the rotary drum shell 21.

A clamping bottom groove 212 for clamping the filter ring 23 is formed in the bottom surface of the rotary drum shell 21.

The bottom of the drum housing 21 is provided with a fixing hole 213, and the edge of the fixing hole 213 extends to the outside of the drum housing 21 to form a fixing ring portion 214 fixed with the driving mechanism 3. The inner wall of the fixed ring part 214 is provided with a first external thread, and the outer wall of the fixed ring part 214 is provided with a second external thread.

A clamping side groove 219 for clamping the filter ring 23 is formed in the position, close to the rotary drum upper cover 22, of the inner wall of the rotary drum shell 21.

One surface of the rotary drum upper cover 22 facing the inside of the rotary drum shell 21 is provided with a clamping top groove 221 for clamping the filter ring 23.

The filter ring 23 comprises an upper fixing ring 231, a lower fixing ring 232 and a filter screen 233, wherein the edge of the filter screen 233 is fixed to the upper fixing ring 231 and the lower fixing ring 232 respectively.

The lower fixing ring 232 is matched with the clamping bottom groove 212, the part of the upper fixing ring 231 protruding out of the rotary drum shell 21 is matched with the clamping top groove 221, and the upper fixing ring 231 extends towards one side of the inner wall of the rotary drum shell 21 to form a protrusion 234 matched with the clamping side groove 219.

When the upper fixing ring 231, the lower fixing ring 232 and the protrusion 234 are respectively clamped with the clamping top groove 221, the clamping bottom groove 212 and the clamping side groove 219, the filter ring 23 is stably fixed with the inner wall of the inner rotary drum 2.

In order to enhance the fixing relationship between the filter ring 23 and the inner wall of the inner rotary drum 2, a rubber ring 215 is arranged on the inner wall of the clamping side groove 219, and the inner ring area of the rubber ring 215 is smaller than the end surface area of the protrusion 234. When the protrusion 234 is inserted into the card-holding side groove 219, the protrusion 234 is brought into close contact with the inner ring of the rubber ring 215.

In order to facilitate the filter ring 23 and the inner rotary drum 2 to be rapidly detached, an elastic member 216 is arranged in the clamping bottom groove 212, the elastic member 216 abuts against the lower fixing ring 232, and pushes the lower fixing ring 232 to have a tendency of moving towards the outside of the clamping bottom groove 212.

The elastic member 216 includes a spring 217 and a wedge block 218, the lower fixing ring 232 has an abutting inclined surface, one end of the spring 217 is fixed to the inner wall of the clamping bottom groove 212, the other end of the spring 217 is fixed to the wedge block 218, and the inclined surface of the wedge block 218 is matched with the abutting inclined surface of the lower fixing ring 232.

When the filter ring 23 is replaced, the external force is applied to make the protrusion 234 be released from the clamping side groove 219, and at the same time, the elastic member 216 pushes the lower fixing ring 232 to move out of the clamping bottom groove 212, so that the filter ring 23 can be easily removed.

The driving mechanism 3 comprises a motor 31, a transmission piece, a rotating shaft 32 and a fixing piece 33, the movable end of the motor 31 is connected with the transmission piece, the transmission piece is connected with one end of the rotating shaft 32, the other end of the rotating shaft 32 extends into the outer shell 1 and the inner rotary drum 2 is fixed, and the fixing piece 33 is fixed with the rotating shaft 32 and the inner rotary drum 2.

The transmission member functions to transmit power of the motor 31, and thus the transmission member is not limited to a certain structure, for example, a screw, a belt, and a gear, which are commonly known in the art.

The rotating shaft 32 extends into a blind hole 321 is formed in the end portion of one end in the outer shell 1, the blind hole 321 is matched with the fixed ring portion 214, and an inner thread of the rotating shaft matched with the second external thread is formed in the inner wall of the blind hole 321. When the fixing device is fixed, the inner wall of the rotating shaft 32 is tightly connected with the outer wall of the fixed ring part 214 through threads.

In order to enable the rotating shaft 32 to be tightly connected with the fixed ring part 214, a boss 322 is arranged on the bottom surface of the blind hole 321, the diameter of the boss 322 is the same as the inner diameter of the fixed ring part 214, and a boss inner thread matched with the first outer thread is arranged on the outer peripheral surface of the boss 322. When the fixing device is fixed, the outer peripheral surface of the boss 322 is in fastening connection with the inner wall of the fixing ring part 214 through threads.

The fixing member 33 includes an abutting portion 331 and a connecting portion 332, the abutting portion 331 and the connecting portion 332 are coaxially fixed, and an abutting surface is formed on a surface where the abutting portion 331 and the connecting portion 332 are fixed.

The diameter of the connecting part 332 is the same as the inner diameter of the fixed ring part 214, and a first internal thread matched with the first external thread is arranged on the outer peripheral surface of the connecting part 332; when the drum casing 21 is fixed, the outer peripheral surface of the connecting portion 332 is fastened to the inner wall of the fixed ring portion 214 by a screw, and the abutment surface abuts against the bottom surface of the drum casing 21.

Further, in order to further fasten and connect the fixing member 33, the fixing ring portion 214 and the rotating shaft 32, a clamping hole 323 is formed at an end portion of the boss 322, and a clamping column 333 capable of being clamped with the clamping hole 323 is formed by extending an end portion of the connecting portion 332; when the fixing member 33, the fixing ring portion 214 and the rotating shaft 32 are screwed, the clamping column 333 extends into the clamping hole 323 to form clamping.

In order to avoid water inflow in the centrifugation process at the position where the inner rotary drum 2 is connected with the driving mechanism 3, the area of the abutting part 331 is larger than the cross-sectional area of the fixing hole 213, and the abutting surface is provided with a waterproof rubber ring abutted against the inner wall of the rotary drum shell 21.

When the centrifugal machine is used, materials to be centrifuged are poured into the rotary drum shell 21, the rotary drum upper cover 22 and the centrifuge end cover 12 are sequentially covered, the motor 31 drives the rotary drum shell 21 to rotate, and liquid in the materials to be centrifuged enters the box body 11 through the filter ring 23 and is collected from the liquid outlet 132; the drum housing 21 leaves the centrifuged material, and a certain time is required for cleaning and collecting the material in the drum housing 21; if the next centrifugation is to be rapidly put in, the fixing member 33 and the fixing ring portion 214 can be separated and disassembled, and then the rotating shaft 32 and the fixing ring portion 214 are separated, so that the drum housing 21 and the driving mechanism 3 are separated, the drum housing 21 can be taken out from the outer housing 1 and replaced, and the drum housing 21 containing the next batch of centrifuged materials is fixed to the driving mechanism 3, so that the next centrifugation operation can be rapidly put in, and the work efficiency is improved.

Centrifuge, be provided with the mounting fixed ring portion reaches axis of rotation, the three is mutually supported fixedly, makes the rotary drum casing with actuating mechanism can dismantle the link, can be right the rotary drum casing carries out quick replacement, reduces equipment down time, improves work efficiency.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. A centrifuge, comprising:

a base;

the outer shell is fixed on the base;

2. The centrifuge of claim 1, wherein the end of the rotating shaft extending into the outer shell is provided with a blind hole, the blind hole is matched with the fixing ring, and the inner wall of the blind hole is provided with a rotating shaft internal thread matched with the second external thread.

3. The centrifuge of claim 2, wherein a boss is arranged on the bottom surface of the blind hole, the diameter of the boss is the same as the inner diameter of the fixed ring part, and a boss internal thread matched with the first external thread is arranged on the outer peripheral surface of the boss.

4. The centrifuge of claim 3, wherein the fixing member comprises an abutting portion and a connecting portion, the abutting portion and the connecting portion are coaxially fixed, an abutting surface is formed on a surface where the abutting portion and the connecting portion are fixed, the diameter of the connecting portion is the same as the inner diameter of the fixing ring portion, and a first internal thread matched with the first external thread is formed on the outer peripheral surface of the connecting portion.

5. The centrifuge of claim 4, wherein the end of the boss is provided with a clamping hole, and the end of the connecting portion extends to form a clamping column which can be clamped with the clamping hole.

6. The centrifuge of claim 5, wherein the area of the abutting part is larger than the cross-sectional area of the fixing hole, and the abutting surface is provided with a waterproof rubber ring abutting against the inner wall of the drum shell.