CN214837162U

CN214837162U - Magnetic pump for conveying latex medium working condition

Info

Publication number: CN214837162U
Application number: CN202120861215.8U
Authority: CN
Inventors: 师勇; 张�杰; 钱运德
Original assignee: Dalian Jinshi Pump Co ltd
Current assignee: Dalian Jinshi Pump Co ltd
Priority date: 2021-04-25
Filing date: 2021-04-25
Publication date: 2021-11-23
Anticipated expiration: 2031-04-25

Abstract

The utility model provides a magnetic pump for conveying latex medium working condition, which relates to the technical field of magnetic pumps and comprises a bearing body and a shaft body, wherein the front end of the shaft body is provided with a front sliding bearing component, the rear end of the shaft body is provided with a rear sliding bearing component, the bearing body is fixedly arranged at one end of the front sliding bearing component and is fixedly provided with a pump body, the inner side of the pump body is fixedly arranged at the end part of the bearing body and is fixedly provided with a wear-resisting plate, the end part of the shaft body is fixedly provided with an impeller, the front end of the pump body is fixedly provided with a front wear-resisting plate through a stud, the utility model ensures that the pump body and the impeller are easily disassembled under the condition that a motor and other parts are still by adopting the structure of the magnetic pump without leakage, the whole utility model has simple structure, the installation is dismantled conveniently, and the maintenance of being convenient for has avoided the emergence of solidification, cutout phenomenon, and the practicality is high.

Description

Magnetic pump for conveying latex medium working condition

Technical Field

The utility model relates to a magnetic drive pump technical field especially relates to a magnetic drive pump for carrying latex medium operating mode.

Background

In many areas of industrial production and national economy, where liquid is often transported or pressurized, a machine capable of accomplishing such a task, called a pump, is an indispensable piece of equipment in a process system. The widely used water pump product at present is a centrifugal pump, and the working principle of the pump is an energy transmission and conversion process, which converts the mechanical energy of the high-speed rotation of a prime motor into the kinetic energy and the potential energy of a transmitted medium.

The existing working condition for conveying the latex medium is poor in fluidity, high in viscosity and large in friction coefficient, the phenomena of solidification and cutoff are easily caused, sliding bearing blockage and dry grinding can be caused, the requirements of no leakage and detachable pump head and impeller are also provided, and the existing common centrifugal pump cannot meet the transportation requirements.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a magnetic drive pump for carrying latex medium operating mode to solve above-mentioned technical problem.

The utility model discloses a solve above-mentioned technical problem, adopt following technical scheme to realize: a magnetic pump for conveying a latex medium working condition comprises a bearing body and a shaft body, wherein the shaft body is rotatably installed inside the bearing body, a front sliding bearing assembly is installed at the front end of the shaft body, a rear sliding bearing assembly is installed at the rear end of the shaft body, a pump body is fixedly installed at one end, located at the front sliding bearing assembly, of the bearing body, a wear-resisting plate is fixedly installed at the end, located at the bearing body, of the inner side of the pump body, the shaft body penetrates through the wear-resisting plate, an impeller is fixedly installed at the end position of the shaft body, and a front wear-resisting plate is fixedly installed at the front end of the pump body through a double-end stud;

a metering pump inlet flange is fixedly installed on the outer side of a right flange of the bearing body, an inner magnetic rotor is installed on the outer side of the shaft body, which is positioned on the right side of the rear sliding bearing assembly, an outer magnetic rotor is fixedly installed on the inner side wall of the bearing body, which is positioned on the outer side of the inner magnetic rotor, and an auxiliary impeller is installed on the shaft body, which is positioned on the right side of the inner magnetic rotor;

be provided with first cavity between antifriction plate and the bearing body, be provided with first hole on the right flange of bearing body, be provided with the second cavity between bearing body and the interior magnetic rotor, second hole and third hole have been seted up on the axis body.

Preferably, the second hole and the third hole are communicated with each other and vertically arranged, and the third hole is located along a central axis of the shaft body.

Preferably, the front slide bearing assembly is mounted on a left flange of the bearing body and the rear slide bearing assembly is mounted on a right flange of the bearing body.

Preferably, the rear sliding bearing assembly, the inner magnetic rotor and the impeller flow passage component are sealed by an isolation sleeve assembly.

Preferably, a gap is left between the shaft body and the bearing body.

Preferably, the impeller is connected with the shaft body through threads.

The utility model has the advantages that:

1. the suction port flange and the pump body are made into a split form, the suction port flange and the wear-resisting plate are made into an integral body and are connected with the pump body through a stud, and the impeller is connected with the shaft through threads. The pump body and the impeller are guaranteed to be easily detached under the condition that the motor and other parts are not moved.

2. In order to avoid leakage, the structure of the magnetic pump is adopted to seal the flow passage components such as the inner magnetic rotor, the impeller and the like in the isolation sleeve assembly.

3. The sliding bearing assembly used by the magnetic pump needs lubrication and cooling, but the phenomena of solidification and cutoff are easy to generate due to too high viscosity of a conveyed medium and large friction coefficient, so that the sliding bearing can be blocked and dry-ground.

Drawings

FIG. 1 is a schematic structural diagram of a magnetic pump for delivering emulsion medium;

FIG. 2 is an enlarged view of part A of FIG. 1 according to the present invention;

reference numerals: 1. a front wear plate; 2. an impeller; 3. a stud; 4. a wear plate; 5. a pump body; 6. a front plain bearing assembly; 7. a shaft body; 8. a bearing body; 9. an inlet flange of the metering pump; 10. an isolation sleeve assembly; 11. a rear sliding bearing assembly; 12. an inner magnetic rotor; 13. an outer magnetic rotor; 14. an auxiliary impeller; 15. a first chamber; 16. a first hole; 17. a gap; 18. a second chamber; 19. a second hole; 20. a third aperture.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the functions of the present invention easy to understand, the present invention will be further explained below with reference to the following embodiments and the accompanying drawings, but the following embodiments are only the preferred embodiments of the present invention, and not all embodiments are included. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative efforts belong to the protection scope of the present invention.

Specific embodiments of the present invention will be described below with reference to the accompanying drawings.

Example 1

As shown in fig. 1-2, a magnetic pump for conveying a working condition of a latex medium comprises a bearing body 8 and a shaft body 7, wherein the shaft body 7 is rotatably installed inside the bearing body 8, a front sliding bearing assembly 6 is installed at the front end of the shaft body 7, a rear sliding bearing assembly 11 is installed at the rear end of the shaft body 7, a pump body 5 is fixedly installed at one end, located at the front sliding bearing assembly 6, of the bearing body 8, a wear plate 4 is fixedly installed at the end, located at the bearing body 8, of the inner side of the pump body 5, the shaft body 7 penetrates through the wear plate 4, an impeller 2 is fixedly installed at the end of the shaft body 7, and a front wear plate 1 is fixedly installed at the front end of the pump body 5 through a stud 3;

a metering pump inlet flange 9 is fixedly installed on the outer side of a right flange of the bearing body 8, an inner magnetic rotor 12 is installed on the outer side of the shaft body 7, which is positioned on the right side of the rear sliding bearing assembly 11, an outer magnetic rotor 13 is fixedly installed on the inner side wall of the bearing body 8, which is positioned on the outer side of the inner magnetic rotor 12, and an auxiliary impeller 14 is installed on the shaft body 7, which is positioned on the right side of the inner magnetic rotor 12;

a first cavity 15 is arranged between the wear-resistant plate 4 and the bearing body 8, a first hole 16 is formed in a right flange of the bearing body 8, a second cavity 18 is arranged between the bearing body 8 and the inner magnetic rotor 12, and a second hole 19 and a third hole 20 are formed in the shaft body 7.

The rear sliding bearing assembly 11, the inner magnetic rotor 12 and the flow passage component of the impeller 2 are sealed by an isolation sleeve assembly 10, and a gap 17 is reserved between the shaft body 7 and the bearing body 8.

The working principle is as follows:

the pump is filled with cleaning medium before starting the pump, and is pressurized with the measuring pump fluid infusion of on-the-spot providing through 9 measuring pump entry flanges, again because the little 8 bearing bodies of leakage quantity between internals are equivalent to a barrier, divide three circulation circuit when running the pump steady: 1, the latex medium is pressurized from the inlet of the pump through a 2-impeller and then is discharged from the outlet; 2, because of the liquid supplementing and pressurizing of the metering pump, the cleaning medium is ensured to fill 15 the first chamber, 17 gaps between the shaft and the bearing body and 18 the second chamber, so that the latex medium cannot enter the front sliding bearing assembly 6 and parts on the right side of the front sliding bearing assembly, the cleaning medium enters 18 the second chamber from 16 the first hole, and a part of the cleaning medium enters 15 the first chamber through 17 gaps between the shaft and the bearing body and lubricates and cools the front sliding bearing assembly 6; 3 the rest of the cleaning medium enters 19 the second hole from 18 second chamber, 20 the third hole and returns 18 second chamber under the power of 14 auxiliary impeller, the circulation is to lubricate and cool the sliding bearing assembly after 11.

The magnetic pump seals medium and inner magnetic rotor 12 in isolation sleeve assembly 10, the motor drives outer magnetic rotor 13 to rotate, magnetic lines of force pass through the isolation sleeve assembly to drive inner magnetic rotor 12 and impeller 2 to rotate synchronously under the action of magnetic field, torque is transmitted in a non-contact mode, and static seal replaces dynamic seal to achieve no leakage.

In order to ensure that the pump body 5 and the impeller 2 are convenient to disassemble under the condition that the motor is not moved during cleaning, the suction port flange and the pump body are made into a split type, and the key connection of the impeller and the shaft is replaced by threaded connection. The latex medium has high viscosity, poor fluidity and large friction coefficient, and can be coagulated along with the reduction of temperature. The impeller is replaced by the open impeller, the open impeller is not provided with a front cover plate and a rear cover plate, the impeller is not easy to block, the manufacturing is simple, and the cleaning is convenient.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a magnetic drive pump for carrying emulsion medium operating mode, includes bearing body (8) and axis body (7), its characterized in that:

the shaft body (7) is rotatably installed inside the bearing body (8), a front sliding bearing assembly (6) is installed at the front end of the shaft body (7), a rear sliding bearing assembly (11) is installed at the rear end of the shaft body (7), a pump body (5) is fixedly installed at one end, located at the front sliding bearing assembly (6), of the bearing body (8), a wear plate (4) is fixedly installed at the end portion, located at the bearing body (8), of the inner side of the pump body (5), the shaft body (7) penetrates through the wear plate (4), an impeller (2) is fixedly installed at the end portion of the shaft body (7), and a front wear plate (1) is fixedly installed at the front end of the pump body (5) through a stud (3);

a metering pump inlet flange (9) is fixedly mounted on the outer side of a right flange of the bearing body (8), an inner magnetic rotor (12) is mounted on the outer side, located on the right side of the rear sliding bearing assembly (11), of the shaft body (7), an outer magnetic rotor (13) is fixedly mounted on the inner side wall of the bearing body (8) located on the outer side of the inner magnetic rotor (12), and an auxiliary impeller (14) is mounted on the right side, located on the inner magnetic rotor (12), of the shaft body (7);

be provided with first cavity (15) between antifriction plate (4) and bearing body (8), be provided with first hole (16) on the right flange of bearing body (8), be provided with second cavity (18) between bearing body (8) and interior magnetic rotor (12), second hole (19) and third hole (20) have been seted up on axle body (7).

2. The magnetic pump for conveying the emulsion medium working condition as claimed in claim 1, wherein: the second hole (19) and the third hole (20) are communicated with each other and are vertically arranged, and the third hole (20) is located along the central axis of the shaft body (7).

3. The magnetic pump for conveying the emulsion medium working condition as claimed in claim 1, wherein: the front sliding bearing assembly (6) is arranged on a left flange of the bearing body (8), and the rear sliding bearing assembly (11) is arranged on a right flange of the bearing body (8).

4. The magnetic pump for conveying the emulsion medium working condition as claimed in claim 1, wherein: the rear sliding bearing assembly (11), the inner magnetic rotor (12) and the flow passage component of the impeller (2) are sealed by the isolation sleeve assembly (10).

5. The magnetic pump for conveying the emulsion medium working condition as claimed in claim 1, wherein: a gap (17) is reserved between the shaft body (7) and the bearing body (8).

6. The magnetic pump for conveying the emulsion medium working condition as claimed in claim 1, wherein: the impeller (2) is in threaded connection with the shaft body (7).