CN205225759U - Magnetic drive pump - Google Patents

Magnetic drive pump Download PDF

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Publication number
CN205225759U
CN205225759U CN201520936224.3U CN201520936224U CN205225759U CN 205225759 U CN205225759 U CN 205225759U CN 201520936224 U CN201520936224 U CN 201520936224U CN 205225759 U CN205225759 U CN 205225759U
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CN
China
Prior art keywords
pump
magnet rotor
self
magnetic drive
selflubricating
Prior art date
Application number
CN201520936224.3U
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Chinese (zh)
Inventor
叶子兆
王晓明
郭晓军
杨飞翔
缪友畅
Original Assignee
江苏新腾宇流体设备制造有限公司
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Application filed by 江苏新腾宇流体设备制造有限公司 filed Critical 江苏新腾宇流体设备制造有限公司
Priority to CN201520936224.3U priority Critical patent/CN205225759U/en
Application granted granted Critical
Publication of CN205225759U publication Critical patent/CN205225759U/en

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Abstract

The utility model discloses a the utility model provides a magnetic drive pump, including the pump body, impeller, interior magnet rotor, outer magnet rotor, sealed separation sleeve and 2 sets of friction subcomponents, vice each the part surface of friction be through deposit under the condition of vacuum have many first alloy nanometer coatings of super high hardness, high wearing feature, ultralow coefficient of friction, be provided with water conservancy runner and helicla flute respectively from lubricating sliding bearings surface and hole. The utility model discloses carry out surface strengthening according to up -to -date frictional theory to the vital part of pump and position and handle, make it reach super high hardness and set up the slide bearing who has the self -lubricating characteristic, realized finally that magnetic drive pump is in not the the wearing and tearing of operation in -process vulnerable part, the reliability that has prolonged the life and the device of pump greatly.

Description

A kind of magnetic drive pump
Technical field
The utility model relates to a kind of magnetic drive pump, is specifically related to a kind of magnetic drive pump.
Background technique
Magnetic drive pump is a kind of unprssurized pump type utilizing the power of permanent magnetic field to drive, when motor drives outer magnet rotor, magnetic field is through air gap and non-magnetic separation sleeve, in drive is connected with impeller, magnet rotor does synchronous rotary, realize the non contact transmission of power, motive sealing is converted into static seal, be widely used in the industrial fields such as oil, chemical industry, pharmacy, in sealed states to conveying that is inflammable, explosive, volatile, mordant and precious liquid, be more and more subject to the favor of users.
Magnetic drive pump is also known as magnetic drive centrifugal pump, it and centrifugal pump structure have very large difference: the interior magnet rotor of impeller synchronous rotary and impeller are arranged on pump shaft two ends, and be used for supporting the axial force that impeller, the weight of interior magnet rotor and impeller and interior magnet rotor produce when fed sheet of a media, the thrust ring at pump shaft two ends, sliding bearing and axle sleeve be leaned on to bear.Obviously in the rotary course of pump, thrust ring, sliding bearing and axle sleeve are called as friction pair and the easily damaged parts of magnetic drive pump, determine the key in whole pump working life.
Magnetic drive pump develops into today, in order to improve the working life of magnetic drive pump, China technician is to thrust ring, sliding bearing, large quantifier elimination has been carried out in the material pairing that axle sleeve is selected, from the intefused tetratiuorine of eighties of last century the seventies, develop into carbon graphite, extensively adopt pressureless sintering silicon carbide (SSiC) until now, although at material hardness, wear-resisting, anti-corrosionly to increase, but what the material due to pump shaft adopted is stainless steel (or other alloyed steels), serious difference (stainless steel 304 is there is in it with the thermal coefficient of expansion of non-metal carbon SiClx etc., thermal expansion coefficient is 17.2 × 10-6/ DEG C, silicon carbide SSiC is 4.3 × 10-6/ DEG C), cause the inevitable fault that silicon carbide in the case of a high temperature bursts, cause the serious consequence that equipment is out of service so that explode.
The technical problems to be solved in the utility model is to provide a kind of magnetic drive pump, the serious consequence brought to solve the problem.
Model utility content
The technical problem that the utility model mainly solves is to provide a kind of magnetic drive pump, the utility model carries out surface Hardening Treatment according to up-to-date frictional theory to the vital part of pump and position, make it reach ultrahigh hardness and be provided with the sliding bearing with self-lubricating property, finally achieve magnetic drive pump easily damaged parts in running not wear and tear, improve the self-lubricating capacities of friction pair simultaneously.
For solving the problems of the technologies described above, the technological scheme that the utility model adopts is: provide a kind of magnetic drive pump, comprise the pump housing, impeller, pump shaft, bearing support, magnetic driving mechanism and friction pair assembly, described friction pair assembly is provided with 2 covers, and described friction pair assembly comprises the self-lubricating plain bearing be contained on the outer peripheral surface of pump shaft, axle sleeve and the thrust ring with self-lubricating plain bearing and end face of shaft bush, described self-lubricating plain bearing surface is provided with several selflubricating runners designed by hydraulic principle opinion, endoporus is provided with four selflubricating spiral chutes, described selflubricating runner and selflubricating spiral chute are along each half-twist of self-lubricating plain bearing circumference, described selflubricating spiral fluted pitch equals helical pitch divided by number, one end of described pump shaft is connected with the impeller in the pump housing, one end is connected with magnetic driving mechanism in addition.
In the utility model preferred embodiments, described magnetic driving mechanism comprises interior magnet rotor, separation sleeve, outer magnet rotor and drive motor, described interior magnet rotor is contained in pump shaft one end and by locking nut and its locking, described separation sleeve is arranged between interior magnet rotor and outer magnet rotor, described outer magnet rotor one end is arranged on outside outer magnet rotor, and one end is connected with drive motor in addition.
In the utility model preferred embodiments, described thrust ring, self-lubricating plain bearing and axle sleeve are stainless steel material and process, and surface of stainless steel deposits the nano coating of the multicomponent alloy of ultrahigh hardness under vacuum.
In the utility model preferred embodiments, described pump housing method flange plate side is provided with one and portals, and described separation sleeve flanged surface is provided with through hole, described in portal and to communicate with through hole.
In the utility model preferred embodiments, described bearing support end face has four through holes, and four flow channel for liquids defining the pump housing carry out pressure lubrication cooling to two pairs of friction pair assemblies.
The beneficial effects of the utility model are: a kind of magnetic drive pump of the utility model, according to up-to-date frictional theory, surface Hardening Treatment is carried out to the vital part of pump and position, make it reach ultrahigh hardness and be provided with the sliding bearing with self-lubricating property, finally achieve magnetic drive pump easily damaged parts in running not wear and tear, improve the self-lubricating capacities of friction pair simultaneously.
Accompanying drawing explanation
In order to be illustrated more clearly in the technological scheme in the utility model embodiment, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings, wherein:
Fig. 1 is the structural representation of a kind of magnetic drive pump one of the utility model preferred embodiment;
Fig. 2 is the package assembly schematic diagram of magnetic drive pump friction pair thrust ring, self-lubricating plain bearing and axle sleeve in Fig. 1;
Fig. 3 is self-lubricating plain bearing sectional view.
Embodiment
Be clearly and completely described to the technological scheme in the utility model embodiment below, obviously, described embodiment is only a part of embodiment of the present utility model, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making other embodiments all obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1 to Fig. 3, the utility model embodiment provides following technological scheme.
A kind of magnetic drive pump, comprise the pump housing 1, impeller 2, pump shaft 3, bearing support 4, magnetic driving mechanism 5 and friction pair assembly, described friction pair assembly is provided with 2 covers, and described friction pair assembly comprises the self-lubricating plain bearing 7 on the outer peripheral surface being contained in pump shaft 3, axle sleeve 8 and the thrust ring 6 with self-lubricating plain bearing 7 and axle sleeve 8 end face, described self-lubricating plain bearing 7 surface is provided with several selflubricating runners 7-1, endoporus is provided with four selflubricating spiral chute 7-2, described selflubricating runner 7-1 and selflubricating spiral chute 7-2 is along the circumferential each half-twist of self-lubricating plain bearing 7, the pitch of described selflubricating spiral chute 7-2 equals helical pitch divided by number, one end of described pump shaft 3 is connected with the impeller 2 in the pump housing 1, one end is connected with magnetic driving mechanism 5 in addition.
In above-mentioned, affiliated self-lubricating plain bearing 7 end face arranges four guiding gutter 7-1 according to hydraulic principle, the turning to of endoporus impeller 2 is provided with four spiral chute 7-2 and docks with it, make the performance producing selflubricating in flow of fluid process, do not wear and tear provide favourable guarantee for realizing magnetic drive pump friction pair.
Described magnetic driving mechanism 5 comprises interior magnet rotor 51, separation sleeve 52, outer magnet rotor 53 and drive motor 54, described interior magnet rotor 51 is contained in pump shaft 3 one end and by locking nut 55 and its locking, described separation sleeve 5 is arranged between interior magnet rotor 51 and outer magnet rotor 53, described outer magnet rotor 53 is arranged on outside separation sleeve 52, and is connected with drive motor 54.
Described thrust ring 6, self-lubricating plain bearing 7 and axle sleeve 8 are stainless steel material and process, and surface of stainless steel deposits the nano coating of the ultrahigh hardness of multicomponent alloy, ultralow friction coefficient, high temperature tolerance under vacuum.That is, in the present embodiment, the special performance that above-mentioned friction pair combines all surmounts conventional magnetic pump and adopts the friction pair of the other materials of all to combine.
Described pump housing method 1 flange plate side is provided with one and portals 1-1, described separation sleeve 52 flanged surface has through hole 52-1, the described 1-1 of portalling communicates with through hole 52-1, under the effect at separation sleeve 52 base plate blade 52-2, enter pump shaft through hole 3-1 simultaneously, described bearing support 4 end face has four through hole 4-1 and 4-2, four flow channel for liquids defining the pump housing 1 carry out pressure lubrication cooling to two pairs of friction pairs, the function that final realization is not worn and torn.
The beneficial effects of the utility model are: a kind of magnetic drive pump of the utility model, the utility model carries out surface Hardening Treatment according to up-to-date frictional theory to the vital part of pump and position, make it reach ultrahigh hardness and be provided with the sliding bearing with self-lubricating property, finally achieve magnetic drive pump easily damaged parts in running not wear and tear, improve the self-lubricating capacities of friction pair simultaneously.
The foregoing is only embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every utilize the utility model description to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical field, be all in like manner included in scope of patent protection of the present utility model.

Claims (5)

1. a magnetic drive pump, comprise the pump housing (1), impeller (2), pump shaft (3), bearing support (4), magnetic driving mechanism (5) and friction pair assembly, described friction pair assembly is provided with 2 covers, and described friction pair assembly comprises the self-lubricating plain bearing (7) on the outer peripheral surface being contained in pump shaft (3), axle sleeve (8) and be contained in the thrust ring (6) of self-lubricating plain bearing (7) and axle sleeve (8) end face, described self-lubricating plain bearing (7) surface is provided with several selflubricating runners (7-1), endoporus is provided with four selflubricating spiral chutes (7-2), described selflubricating runner (7-1) and selflubricating spiral chute (7-2) are along the circumferential each half-twist of self-lubricating plain bearing (7), the pitch of described selflubricating spiral chute (7-2) equals helical pitch divided by number, described pump shaft (3) one end is connected with the impeller (2) in the pump housing (1), one end is connected with magnetic driving mechanism (5) in addition.
2. magnetic drive pump according to claim 1, it is characterized in that, described magnetic driving mechanism (5) comprises interior magnet rotor (51), separation sleeve (52), outer magnet rotor (53) and drive motor (54), described interior magnet rotor (51) is contained in pump shaft (3) one end and passes through locking nut (55) and its locking, described separation sleeve (5) is arranged between interior magnet rotor (51) and outer magnet rotor (53), and described outer magnet rotor (53) is connected with drive motor (54).
3. magnetic drive pump according to claim 1, it is characterized in that, described thrust ring (6), self-lubricating plain bearing (7) and axle sleeve (8) are stainless steel material and process, and surface of stainless steel deposits the nano coating of the multicomponent alloy of ultrahigh hardness under vacuum.
4. magnetic drive pump according to claim 1 and 2, is characterized in that, the described pump housing (1) flange plate side is provided with one and portals (1-1), and described separation sleeve (52) circumferential surface has through hole (52-1), described in portal (1-1) communicate with through hole (52-1).
5. magnetic drive pump according to claim 1, is characterized in that, described bearing support (4) end face has four through holes (4-1), and four flow channel for liquids defining the pump housing (1) carry out pressure lubrication cooling to two pairs of friction pair assemblies.
CN201520936224.3U 2015-11-23 2015-11-23 Magnetic drive pump CN205225759U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520936224.3U CN205225759U (en) 2015-11-23 2015-11-23 Magnetic drive pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520936224.3U CN205225759U (en) 2015-11-23 2015-11-23 Magnetic drive pump

Publications (1)

Publication Number Publication Date
CN205225759U true CN205225759U (en) 2016-05-11

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Application Number Title Priority Date Filing Date
CN201520936224.3U CN205225759U (en) 2015-11-23 2015-11-23 Magnetic drive pump

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105298864A (en) * 2015-11-23 2016-02-03 江苏新腾宇流体设备制造有限公司 Zero-abrasion magnetic pump
CN106122036A (en) * 2016-07-28 2016-11-16 江苏海天泵阀制造有限公司 A kind of magnetically-actuated pipe type centrifugal pump
CN110249135A (en) * 2016-11-01 2019-09-17 Psg全球公司 Magnetic coupling sealless centrifugal pump
CN110529386A (en) * 2018-05-23 2019-12-03 三花亚威科电器设备(芜湖)有限公司 Pump and washing facility

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105298864A (en) * 2015-11-23 2016-02-03 江苏新腾宇流体设备制造有限公司 Zero-abrasion magnetic pump
CN106122036A (en) * 2016-07-28 2016-11-16 江苏海天泵阀制造有限公司 A kind of magnetically-actuated pipe type centrifugal pump
CN110249135A (en) * 2016-11-01 2019-09-17 Psg全球公司 Magnetic coupling sealless centrifugal pump
CN110529386A (en) * 2018-05-23 2019-12-03 三花亚威科电器设备(芜湖)有限公司 Pump and washing facility

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