CN212263588U

CN212263588U - Spindle protection mechanism for centrifuge

Info

Publication number: CN212263588U
Application number: CN201922009685.7U
Authority: CN
Inventors: 丁立
Original assignee: Jiangsu Dingshi Machinery Co ltd
Current assignee: Jiangsu Dingshi Machinery Co ltd
Priority date: 2019-11-20
Filing date: 2019-11-20
Publication date: 2021-01-01
Anticipated expiration: 2029-11-20

Abstract

A spindle protection mechanism for a centrifugal machine comprises a base, a driving device and a shell which are fixedly arranged on the base, and a rotary drum which is positioned in the shell, wherein the rotary drum is connected with the driving device through a spindle, blades are fixedly arranged at the lower end of the rotary drum in the circumferential direction of the spindle, and the rotary blades generate circumferential airflow. The utility model discloses in, in the circumference of main shaft, the lower extreme of rotary drum has set firmly the blade, and rotatory blade produces circumference air current to the impurity that drives near the main shaft prevents its adhesion on the main shaft to the circumferential direction removal of main shaft, thereby can play the effect of protection to the main shaft. Be equipped with the separation blade between main shaft and blade, form the baffling passageway between the separation blade, in little part impurity enters into the blade, the separation blade that is the baffling passageway can increase the degree of difficulty of impurity adhesion on the main shaft to it is good to the protective effect of main shaft.

Description

Spindle protection mechanism for centrifuge

Technical Field

The utility model belongs to the technical field of the centrifuge technique and specifically relates to a main shaft protection machanism for centrifuge is related to.

Background

A centrifuge is a machine that separates components of a liquid from solid particles or a mixture of a liquid and a liquid by centrifugal force, and is mainly used to separate solid particles from a liquid in a suspension; or separating two liquids with different densities and insoluble with each other in the emulsion (such as separating butter 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; by utilizing the characteristic that solid particles with different densities or particle sizes have different settling speeds in liquid, some settling centrifuges can also grade the solid particles according to the densities or the particle sizes, and the centrifuges are widely applied to chemical industry, petroleum, food, pharmacy, mineral separation, coal, water treatment, ships and other departments.

The existing centrifuge drum can only carry out single-layer centrifugation, so large-particle materials and small-particle materials are both adhered to the inner wall of the drum body and cannot be centrifuged according to the particle size of the materials.

Therefore, there is a need to provide a new technical solution to overcome the above-mentioned drawbacks.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a can effectively solve above-mentioned technical problem's main shaft protection machanism for centrifuge.

In order to achieve the purpose of the utility model, the following technical proposal is adopted:

a spindle protection mechanism for a centrifugal machine comprises a base, a driving device and a shell which are fixedly arranged on the base, and a rotary drum which is positioned in the shell, wherein the rotary drum is connected with the driving device through a spindle, blades are fixedly arranged at the lower end of the rotary drum in the circumferential direction of the spindle, and the rotary blades generate circumferential airflow.

Further: and a baffle is arranged between the main shaft and the blade.

Further: the baffle plates are at least provided with two layers, so that a baffling channel is formed between the baffle plates.

Further: one end of one part of the blocking piece is fixedly connected with the rotary drum, and one end of the other part of the blocking piece is fixedly connected with the driving device.

Further: the baffle plate is bent.

Compared with the prior art, the utility model discloses following beneficial effect has: the utility model discloses centrifuge drum screens the material of different particle diameters through setting up the filter layer to the realization is separated according to the particle diameter of material, and the filter layer includes that first filtration frame and second filter the frame, thereby can carry out twice centrifugal screening to the material, and the width of first retaining ring on the first filtration frame is greater than the second retaining ring on the second filtration frame simultaneously, thereby can prevent that the material from the upper end departure of rotary drum body.

Drawings

Fig. 1 is a schematic structural diagram of the spindle protection mechanism for a centrifuge of the present invention.

Fig. 2 is an enlarged schematic view of a portion a of fig. 1.

In the figure: the device comprises a base 1, a driving device 2, a shell 3, a rotary drum 4, a main shaft 5, blades 6 and a baffle 7.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "lateral", "longitudinal", "front", "rear", "left", "right", "up", "down", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the scope of the invention. When an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

The following will make a clear and complete description of the spindle protection mechanism for a centrifuge according to the present invention with reference to the accompanying drawings.

As shown in fig. 1-2, the utility model discloses main shaft protection machanism for centrifuge, including base 1, set firmly in drive arrangement 2 and casing 3 on the base 1 are located the inside rotary drum 4 of casing 3, rotary drum 4 pass through main shaft 5 with drive arrangement 2 is connected, base 1 is used for fixed drive arrangement 2, drive arrangement 2 drives through main shaft 5 rotary drum 4 is rotatory, thereby it is right material in rotary drum 4 is centrifuged, above say all be the common general knowledge of skilled person in the art in the week of main shaft 5, the lower extreme of rotary drum 4 has set firmly blade 6, blade 6 with rotary drum 4 welds, and rotatory blade 6 produces the circumference air current.

Further: a baffle 7 is arranged between the main shaft 5 and the blades 6, and the baffle 7 can further protect the main shaft 5.

Further: the baffle sheets 7 are at least provided with two layers, so that a baffling channel is formed between the baffle sheets 7, a small part of impurities enter the blades 6, and the baffle sheets 7 in the baffling channel can increase the difficulty of the impurities adhered to the main shaft 5.

Further: one end of one part of the baffle 7 is fixedly connected with the rotary drum 4, preferably in a welding mode, and one end of the other part of the baffle 7 is fixedly connected with the driving device 2, preferably one end of the baffle 7 is welded with the shell 3 of the driving device 2.

Further: the blocking piece 7 is bent, so that the collision between the rotating blocking piece 7 and the fixed blocking piece 7 can be prevented.

The centrifuge drum comprises a drum body and a filter layer fixedly arranged in the drum body and used for carrying out layered centrifugation on materials, wherein filter holes are formed in the drum body, the filter layer at least comprises a first filter frame, a retainer ring is fixedly arranged on the first filter frame, the retainer ring is integrally connected with the first filter frame, filter holes are formed in the first filter frame, the diameter of each filter hole in the first filter frame is larger than that of the filter hole in the drum body, large-particle materials can be accumulated on the inner wall of the first filter frame, and medium particles and small-particle materials penetrate through the first filter frame to realize centrifugal operation on the materials with different particle sizes.

Further: the filter layer further comprises a second filter frame, the second filter frame is located on the outer side of the first filter frame, the second filter frame is fixedly connected with the rotary drum body, the preferred connection mode of the second filter frame is integrally connected, filter holes are formed in the second filter frame, the diameter of each filter hole of the second filter frame is smaller than that of the first filter frame, the diameter of each filter hole of the second filter frame is larger than that of each filter hole of the rotary drum body, medium-particle materials are gathered on the second filter frame, and small-particle materials pass through the second filter frame, so that secondary screening and secondary centrifugation of materials with different particle sizes are achieved.

Further: the upper end of the second filter frame is fixedly provided with two layers of check rings, the two layers of check rings are integrally connected with the second filter frame, the width of the two layers of check rings is smaller than that of the first layer of check ring, the check rings can prevent materials from flying out from the upper part, and the physical knowledge shows that the moment of the first filter frame is large, the particle size of the materials is large, the mass is large, the inertia of the materials in the first filter frame is large, and therefore the width of the first layer of check ring is wide.

Further: the first filtering frame and the second filtering frame are made of the same material as the rotary drum body.

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, a clear and complete description will be given below with reference to the technical solutions of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention.

Example (b):

when the centrifugal drum is used, the rotary drum body is firstly installed on a centrifugal machine, the technology is prior art and is not repeated herein, then a mixed material to be centrifuged is placed in the rotary drum body and is positioned in the first filtering frame, the centrifugal machine enables the rotary drum body to rotate, large-particle materials are accumulated on the first filtering frame, medium-particle materials and small-particle materials pass through the first filtering frame, then the medium-particle materials are accumulated on the second filtering frame, then the small-particle materials pass through the second filtering frame, the small-particle materials are accumulated on the rotary drum body, and liquid passes through the rotary drum body to realize centrifugation.

It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are considered to be within the scope of the invention as defined by the following claims.

Claims

1. The utility model provides a main shaft protection machanism for centrifugal machine, includes the base, set firmly in drive arrangement and casing on the base are located the inside rotary drum of casing, the rotary drum pass through the main shaft with drive arrangement connects its characterized in that: and blades are fixedly arranged at the lower end of the rotary drum in the circumferential direction of the main shaft, and the rotating blades generate circumferential airflow.

2. The spindle guard mechanism for a centrifugal machine according to claim 1, wherein: and a baffle is arranged between the main shaft and the blade.

3. The spindle guard mechanism for a centrifugal machine according to claim 2, wherein: the baffle plates are at least provided with two layers, so that a baffling channel is formed between the baffle plates.

4. The spindle guard mechanism for a centrifugal machine according to claim 3, wherein: one end of at least one blocking piece is fixedly connected with the rotary drum, and one end of at least one blocking piece is fixedly connected with the driving device.

5. The spindle guard mechanism for a centrifugal machine according to claim 4, wherein: the baffle plate is bent.