CN209020588U - A kind of baffle device for water of flat centrifuge - Google Patents

Abstract

The utility model discloses a kind of baffle device for water of flat centrifuge, bowl bottom liquid is effectively blocked to form centrifugal force by the way that water fender is arranged in motor shield outer wall, it is avoided to enter motor from the gap of motor shield and machine shaft along opposing stationary motor shield outer wall upruss, lead to motor inner inlet, burn, effectively reduce seep water in motor from motor shield outer wall burn motor and caused by stop production or the risk of production delay.The utility model also by installing retaining ring, gasket on machine shaft, further prevents liquid counter-current to penetrate into inside motor, burns motor, its structure is simple, rationally, maintenance cost is low, is widely portable to the mating installation of the flat centrifuge of different model and the transformation of old centrifuge for design.

Description

A kind of baffle device for water of flat centrifuge

Technical field

The utility model belongs to pharmaceutical machinery technical field, and in particular to a kind of baffle device for water of flat centrifuge.

Background technique

Centrifuge is the machine using each component in the mixture of centrifugal force, separation liquid and solid particle or liquid and liquid Tool is widely used in the departments such as chemical industry, petroleum, food, pharmacy.Its action principle has centrifugal filtration and two kinds of centrifugal sedimentation.From Heart filtering is the centrifugal pressure for generating suspension under centrifugal force field, is acted on filter medium, and liquid is made to be situated between by filtering Matter becomes filtrate, and solid particle is trapped within filter media surface, and flat centrifuge is exactly using this principle.And plate Formula centrifuge is the most extensive centrifuge of purposes, in separation of solid and liquid or cleaning process, because of bottom of the drum caused by rotary drum high speed rotation Electricity is penetrated into the gap along motor shield and drum inner wall upruss between motor shield and machine shaft to liquid upwards Inside machine, leads to motor inner inlet and be burned out often, seriously affected the service life of centrifuge, the halt production be easy to causeing Or the risk of production delay.

Prior art China patent CN203548923U discloses a kind of water blocking of horizontal scraping centrifugal machine, waterproof sealing structure, But although the technical solution solves the problems, such as " metalling run out " to a certain extent, which is not particularly suited for flat centrifugation The technical issues of machine can not solve liquid countercurrent and enter motor, lead to motor inner inlet, burns.

Prior art China patent CN202191967U discloses a kind of water-tight device of centrifuge, is arranged on motor and leads Water pond avoids liquid from entering from rotor lower edge to overcome the droplet condensed in existing centrifuge that can gradually glide in rotor body face Motor, but the technology, there is no when solution bowl high speed rotation, bottom of the drum liquid upruss enters motor, causes Motor inner inlet, the technical issues of burning.

Prior art China patent CN207013167U discloses a kind of waterproof construction of refrigerated centrifuge, by inner sleeve Verge of opening the flange that projects upwards is set, then inner sleeve sealing ring is buckled on the flange and forms one of enclosing, condensed water quilt The enclosing blocking cannot flow out from the aperture of inner sleeve bottom, thus play the role of protect motor, avoid motor because intake by Damage.But the technology that the technical solution similarly enters motor without solving liquid countercurrent, leads to motor inner inlet, burns is asked Topic.

Therefore need to design at present can be avoided liquid upruss enter motor device prevent motor inner inlet, It burns, reduces the risk of halt production or production delay caused by burning because of motor entering water.

Utility model content

To overcome existing flat centrifuge in rotary drum high speed rotation, bottom of the drum liquid upruss enters motor, The technical problem for leading to motor inner inlet, burning, the utility model provide following technical solution:

A kind of baffle device for water of flat centrifuge, containing the motor shield 1 for being fixedly arranged on machine shaft, machine shaft is worn It crosses at the top of motor shield 1 and bowl and is connected, 1 bottom of motor shield is connected with bowl bottom, It is characterized in that 1 outer wall of motor shield is equipped with water fender 2, the water fender 2 is formed by angle not with centrifugal base Angle is formed by greater than 1 outer wall of motor shield and centrifugal base.

It is acute angle that water fender 2 described further, which is formed by angle with 1 cross section of motor shield,.

Retaining ring 3 is equipped at the top of motor shield 1 described further.

The further water fender 2 is no less than 2 pieces, and uniformly divides in 1 outer wall of motor shield.

The length of the further water fender 2 is not less than and 1 cross section length of motor shield.

Further described 1 outer wall of connection motor shield covered in water fender 2 is equipped with guiding gutter 4.

The further 3 upper end outside diameter of retaining ring is greater than motor shield 1 and the formed gap of machine shaft Width, the upper end nesting are mounted on machine shaft, and lower end is tightly attached on water fender 2, and cover 1 top of motor shield.

Further 2 upper end of water fender passes through welding or Nian Jie progress airtight connection with 3 lower end of retaining ring.

Gasket 5 is equipped at the top of the further retaining ring 3, outside diameter is greater than 3 outside diameter of retaining ring, and embedding It covers on the machine shaft between bowl and retaining ring 3.

The further water fender 2 is to weld, is Nian Jie or by water fender 2 with the connection type of 1 outer wall of motor shield It is integrated with the casting of motor shield 1.

Compared with prior art, the utility model has the advantage that

1, motor shield designed by the utility model effectively blocks centrifugal basket by the way that water fender is arranged in its outer wall Drum bottom liquid formed centrifugal force, avoid its along opposing stationary motor shield outer wall upruss from motor shield and electricity The gap of machine shaft enters motor, leads to motor inner inlet, burns, and effectively reduces from motor shield outer wall in motor Infiltration burn motor and caused by stop production or the risk of production delay；

2, the utility model not only effectively avoids climbing over water fender by installing retaining ring, gasket on machine shaft Or the fragmentary liquid being attached on machine shaft enters in motor motor is caused to burn, and can effectively prevent bowl Bottom liquid is along drum inner wall from bowl inner wall upruss from drum inner wall and machine shaft engaging portion along motor Shaft, which is dropped downward into from stream from the gap of motor shield and machine shaft, enters motor, leads to motor inner inlet, burns, has Effect reduce seep water in motor from drum inner wall burn motor and caused by halt production or production delay risk；

3, the utility model motor shield by using water fender along centrifugal motor direction of rotation inclined design and Diversion trench is arranged in motor shield outer wall, effectively increases liquid counter-current rejection, reduces the water fender on motor shield Air drag reduces the operating load of centrifugal motor, reduces energy consumption, effectively extends centrifugal motor service life；

4, technical solution structure used by the utility model is simple, design is scientific and reasonable, strong operability, compatibility By force, quality is reliable and stable, applied widely, and transformation maintenance cost is low, can be widely used for the mating peace of the centrifuge of various models Dress and the transformation of old centrifuge instrument.

Detailed description of the invention

Fig. 1 centrifugal motor shield faces the schematic diagram of the section structure

Fig. 2 motor shield structure schematic side view

Fig. 3 motor shield structure schematic top plan view

Diagram:

1, motor shield, 2 water fenders, 3 retaining rings, 4 diversion trenches, 5 gaskets

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model It clearly and completely describes, described embodiment can not be used to limit the protection scope of the utility model.

Please refer to Fig. 1-3, a kind of baffle device for water of flat centrifuge provided by the utility model embodiment, containing solid Set on the motor shield 1 of machine shaft, machine shaft stretches out motor shield 1 and is connected with bowl, feature It is that 1 outer wall of motor shield is equipped with water fender 2, the water fender 2 is with the formed angle of centrifugal base no more than electricity 1 outer wall of machine shield and the formed angle of centrifugal base.

Wherein, working principle is as follows: the centrifugal force as caused by high-speed rotary motor drives bowl bottom liquid Body upruss penetrates into inside motor from the gap between motor shield 1 and machine shaft, lead to motor inner inlet and by It burns, by the way that water fender 2 and longitudinal sectional or beveling motor shield 1 is arranged in 1 outer wall of motor shield, effectively avoids centrifugal basket Drum bottom liquid forms centrifugal force and greatly reduces and make because motor entering water is burnt so that its upruss be avoided to enter inside motor At halt production or production delay risk.

In order to keep stability of the motor shield 1 in motor operating, abrasion of rolling because of motor shield 1 is avoided Machine shaft, the present utility model people advanced optimize water fender 2 and are designed as, and water fender 2 is no less than 2 pieces and is evenly distributed on 1 outer wall of motor shield can not only make 1 center of gravity of motor shield relatively fixed on machine shaft, avoid motor shield 1 left Abrasion machine shaft is rocked on the right side, improves the service life of centrifugal motor shaft, and can more carry out bottom of the drum liquid Effectively segmentation avoids it from forming centrifugal force under the drive of machine shaft high speed rotation.

Upruss liquid is effectively intercepted for the ease of water fender 2, reduces energy consumption, the present utility model people is to water fender 2 advanced optimize and are designed as water fender 2 and to be formed by angle be acute angle in motor shield 1 cross section, and its length is not less than With 1 cross section length of motor shield.It is acute angle by the way that water fender 2 and 1 cross section of motor shield are formed by angle, no But splashes are fallen into inside motor when effectivelying prevent upruss liquid knockout to water fender 2, and gear can also be effectively reduced Water plate 2 when rotating at high speed caused by air drag, reduce energy consumption.By further limiting 2 length of water fender, it is ensured that gear Water plate 2 can cutting motor shield completely, the liquid that enables to be obstructed change traffic direction along water fender 2 flow downwardly into from Scheming bottom of the drum passes through the leakage fluid dram discharge centrifuge of bowl bottom.

For the ease of being obstructed, liquid effectively can flow downwardly into bowl bottom, the present utility model along water fender People advanced optimizes 1 outer wall of connection motor shield for being designed as being covered in water fender 2 to motor shield 1 and is equipped with guiding gutter 4, the liquid that enables to be obstructed flows downwardly into bowl bottom along guiding gutter 4, passes through the leakage fluid dram of bowl bottom Discharge centrifuge effectively prevents the liquid that is obstructed from collecting at water fender 2, turn over water.

Lead to electricity in motor in order to which the fragmentary liquid for further avoiding climbing over water fender 2 or being attached on machine shaft enters Machine burning is ruined, and the present inventor advanced optimizes motor shield 1 and is designed as, and retaining ring 3 is equipped at the top of motor shield 1.Its In, 3 upper end outside diameter of retaining ring is greater than the width of motor shield 1 and the formed gap of machine shaft, the upper end nesting peace On machine shaft, lower end is tightly attached to water fender 2, and covers 1 top of motor shield.It can be by adding retaining ring 3 One step, which avoids the fragmentary liquid for climbing over water fender 2 from entering in motor, causes motor to burn.

For the water-proof sealing of further motor shield 1 and machine shaft, the present utility model is advanced optimized It is designed as being equipped with gasket 5 at the top of retaining ring 3.Wherein, the outside diameter of gasket 5 is greater than 3 outside diameter of retaining ring, and embedding It covers on the machine shaft between bowl and retaining ring 3.Lower seal pad 5 is driven to do high speed rotation fortune by machine shaft It is dynamic, it is acted in centrifugal force and throws the liquid fallen on gasket 5 outward, effectively avoided upstream from bowl inner wall Liquid is penetrated into from the gap of motor shield and machine shaft downwards from drum inner wall and machine shaft engaging portion along machine shaft Motor leads to motor inner inlet, burns, effectively reduce seep water in motor from drum inner wall burn motor and caused by stop The risk of production or production delay.

In order to further increase the waterproofness of technical solutions of the utility model, the technical program inventor, which advanced optimizes, to be set It is calculated as, 2 upper end of water fender and 3 lower end of retaining ring is subjected to airtight connection by welding or adhesion mode, prevent water fender 2 and gear There are gaps, and liquid to be caused to penetrate into motor for hydrosphere 3.

Wherein, water fender 2 described in the utility model and the connection type of 1 outer wall of motor shield be welding, Nian Jie or general Water fender 2 is integrated with the casting of motor shield 1.

The operation of the models of the components such as centrifuge, rotary drum mentioned by the utility model, motor, internal structure and centrifuge Principle is well-known technique, and also the characteristics of non-the utility model, so it will not be repeated.

The utility model provides a kind of baffle device for water of flat centrifuge, and structure is simple, and design is reasonable, operability By force, compatibility is strong, and transformation maintenance cost is low, and the scope of application is wider, can be with generally applicable different model, different types of flat The mating installation of centrifuge instrument or upgrading.

Claims (10)

1. a kind of baffle device for water of flat centrifuge, containing the motor shield (1) for being fixedly arranged on machine shaft, machine shaft is worn It crosses at the top of motor shield (1) and bowl and is connected, motor shield (1) bottom is connected with bowl bottom It connects, it is characterised in that motor shield (1) outer wall is equipped with water fender (2), the water fender (2) and centrifugal base institute shape At angle be formed by angle no more than motor shield (1) outer wall and centrifugal base.

2. baffle device for water according to claim 1, which is characterized in that the water fender (2) and motor shield (1) are crosscutting It is acute angle that face, which is formed by angle,.

3. baffle device for water according to claim 2, which is characterized in that the water fender (2) is no less than 2 pieces, and uniformly divides In motor shield (1) outer wall.

4. baffle device for water according to claim 3, which is characterized in that the length of the water fender (2) is not less than and motor Shield (1) cross section length.

5. baffle device for water according to claim 4, which is characterized in that the motor shield that the water fender (2) is covered (1) outer wall is equipped with guiding gutter (4).

6. baffle device for water according to claim 1, which is characterized in that be equipped with retaining ring at the top of the motor shield (1) (3)。

7. baffle device for water according to claim 6, which is characterized in that retaining ring (3) the upper end outside diameter is greater than electricity The width of machine shield (1) and the formed gap of machine shaft, the upper end nesting are mounted on machine shaft, and lower end is tightly attached to gear On water plate (2), and cover at the top of motor shield (1).

8. baffle device for water according to claim 7, water fender (2) upper end and retaining ring (3) lower end by welding or Bonding carries out airtight connection.

9. baffle device for water according to claim 8, which is characterized in that gasket (5) are equipped at the top of the retaining ring (3), Its outside diameter is greater than retaining ring (3) outside diameter, and the machine shaft being nested between bowl and retaining ring (3) On.

10. -9 described in any item baffle device for water according to claim 1, which is characterized in that the water fender (2) and motor protect The connection type of cover (1) outer wall is welding, bonding or is integrated water fender (2) and motor shield (1) casting.