CN203829962U - Low heat source magnetic stirring device - Google Patents
Low heat source magnetic stirring device Download PDFInfo
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- CN203829962U CN203829962U CN201420259398.6U CN201420259398U CN203829962U CN 203829962 U CN203829962 U CN 203829962U CN 201420259398 U CN201420259398 U CN 201420259398U CN 203829962 U CN203829962 U CN 203829962U
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- 238000003760 magnetic stirring Methods 0.000 title claims abstract description 21
- 238000007789 sealing Methods 0.000 claims abstract description 42
- 238000000926 separation method Methods 0.000 claims description 23
- 238000003825 pressing Methods 0.000 claims description 15
- 230000008878 coupling Effects 0.000 claims description 10
- 238000010168 coupling process Methods 0.000 claims description 10
- 238000005859 coupling reaction Methods 0.000 claims description 10
- 230000005484 gravity Effects 0.000 claims description 8
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 230000000712 assembly Effects 0.000 claims description 3
- 238000000429 assembly Methods 0.000 claims description 3
- 230000004323 axial length Effects 0.000 claims description 3
- 239000011159 matrix material Substances 0.000 claims description 3
- 238000007363 ring formation reaction Methods 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 abstract description 9
- 238000001816 cooling Methods 0.000 abstract description 9
- 238000003756 stirring Methods 0.000 abstract description 7
- 239000003638 chemical reducing agent Substances 0.000 abstract 3
- 238000002955 isolation Methods 0.000 abstract 2
- 230000033001 locomotion Effects 0.000 description 8
- 239000000463 material Substances 0.000 description 7
- 239000002826 coolant Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 208000002925 dental caries Diseases 0.000 description 4
- 239000002184 metal Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000009351 contact transmission Effects 0.000 description 2
- 230000005347 demagnetization Effects 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 208000030208 low-grade fever Diseases 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000007569 slipcasting Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Magnetic Bearings And Hydrostatic Bearings (AREA)
Abstract
The utility model relates to a low heat source magnetic stirring device, which comprises a support, a bearing box, a sealing bucket, a speed reducer and a magnetic transmission device, wherein the speed reducer is connected with a source power motor, an output shaft of the speed reducer is connected with an input shaft, the input shaft is connected with a stirring blade, the magnetic transmission device comprises a drive magnetic rotor and a driven magnetic rotor which are arranged in the support, the drive magnetic rotor is connected with the output shaft, and is coupled with the driven magnetic rotor, an isolation cover is arranged between the drive magnetic rotor and the driven magnetic rotor, the driven magnetic rotor is connected with the input shaft, magnetic suction components and magnetic spending components are respectively arranged between the input shaft and the rear end of the bearing box and between the input shaft and the front end of the bearing box, two groups of magnetic slip sleeve components are respectively arranged in the input shaft and an inner cavity of a base body of the bearing box, a magnetic locking component is arranged between the input shaft and the sealing bucket, and a cooling device is respectively connected outside a cavity formed between an inner cavity of the isolation cover, the input shaft and the bearing box and an inner cavity of the sealing bucket. The low heat source magnetic stirring device can effectively improve stirring drive efficiency.
Description
Technical field
The utility model relates to magnetic stirring apparatus, relates in particular to a kind of low heat magnetic stirring apparatus.
Background technology
Along with the fast development of magnetic applied science, magnetic drives is to substitute the development trend of traditional mechanical seal, has without leaking, the feature such as pollution-free, environmental protection.High rotating speed, little moment of torsion magnetic transmission device have formed the situation of large-scale production and commercial Application, and in recent years, the slow-speed of revolution, super large moment of torsion side-feeding type magnetic stirring apparatus were the novel industries being based upon on ripe magnetic drives technical foundation.
Due to the axial thrust of the slow-speed of revolution, super large moment of torsion side-feeding type magnetic stirring apparatus blade and radial frictional force that large rotor parts bring because of weight larger, cause and in mixing plant running, produce a large amount of mechanical friction heat, accelerated the wearing and tearing to bearing, magnetic drives bonding force is also because temperature rise weakens, even demagnetization.Cause the loss of part mechanical kinetic energy simultaneously or reduced transmission efficiency.
In order to solve reduction, the impact of even demagnetization and the problem of bearing life of temperature on magnetic force, be provided with in the prior art interior pressure reduction medium from cooling recirculation system or external cooling recirculation system, but for existing pressure reduction medium circulation cooling system in the employing such as particle, suspension obviously can not meet operating mode instructions for use in stirring system.Equally, adopt the external circulatory system certainly will need cooling medium that continue, continual (virgin material) to supply with, very high to the degree of dependence of cooling medium, if cooling system pressure is lower or with no pressure, to there is serious potential safety hazard in equipment operation, for example: the patent of a Chinese patent ZL201120189150.3 flue gas desulfurization stirring device, take the method for cooling rinse-system to control temperature rise, same very high to the degree of dependence of cooling medium.
Even if take in the prior art cooling mode to control the temperature rise bringing because of frictional heat, its essence is the process of waste and the mechanical kinetic energy loss of cooling medium resource.
Therefore seeking low heat and improving transmission efficiency becomes a vital task of magnetic agitation.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of low heat magnetic stirring apparatus that stirs transmission efficiency that improves.
For addressing the above problem, a kind of low heat magnetic stirring apparatus described in the utility model, comprises the support that is located on tower body flange and bearing housing and sealing bucket, is placed in the deceleration device that is connected with driving source motor on described support, is placed in the magnetic drive device in described support; The output shaft of described deceleration device is connected with power shaft by described magnetic drive device, this power shaft is connected with stirrer paddle through the termination of described bearing housing and described sealing bucket, it is characterized in that: described magnetic drive device comprises the active magnetic force rotor being placed in described support, driven magnetic force rotor; Described active magnetic force rotor connects with described output shaft, and is coupled with described driven magnetic force rotor; Between described active magnetic force rotor and described driven magnetic force rotor, be provided with separation sleeve, this separation sleeve is fixed on described bearing housing flange; Described driven magnetic force rotor connects with described power shaft; Between described power shaft and described bearing housing rear end, between described power shaft and described bearing housing front end, be respectively equipped with magnetic assembly and the magnetic that its magnetic line of force distributes vertically and scold assembly; Described power shaft and described bearing housing matrix inner chamber are respectively equipped with two groups of radially-arranged magnetic watt grip assemblies; Between described power shaft and described sealing bucket, be provided with the magnetic latch assembly that its magnetic line of force distributes vertically; The cavity forming between the inner chamber of described separation sleeve, described power shaft and described bearing housing and the inner chamber of described sealing bucket connect heat abstractor outward by pipeline respectively.
Described output shaft and the coupling of described power shaft, and described power shaft is respectively equipped with mechanical slidingtype bearing I, mechanical slidingtype bearing II, mechanical slidingtype bearing III and mechanical slidingtype bearing IV vertically; Described mechanical slidingtype bearing I and described mechanical slidingtype bearing III are axial plain bearing; Described mechanical slidingtype bearing II and described mechanical slidingtype bearing IV are bush(ing) bearing.
Described active magnetic force rotor is outer magnet rotor.
Described driven magnetic force rotor is interior magnet rotor.
Described magnetic scolds the radially magnetic force producing between watt grip assembly contrary with the gravity direction of described driven magnetic force rotor.
Described magnetic assembly comprises the magnetic Moving plate being placed on described power shaft and is placed in the quiet dish of magnetic on described bearing housing rear end face; Described magnetic Moving plate and the quiet dish of described magnetic are by least two or more and described power shaft concentric, form in radially adjoining setting and the radially alternatively distributed annular permanent magnet of magnetic pole, and the size of the relative annular permanent magnet of same radial position is identical, polarity is contrary; Described magnetic Moving plate and the quiet rim of described magnetic are axially arranged with gap; Described magnetic Moving plate and described driven magnetic force rotor join.
The magnetic that described magnetic is scolded assembly to comprise and is placed on described power shaft scolds Moving plate and the magnetic being placed on described bearing housing front end face to scold quiet dish; Described magnetic scold Moving plate and described magnetic scold quiet dish by one with described power shaft concentric and for same polarity, form with the magnet ring of ring width; Described magnetic scolds Moving plate and described magnetic to scold quiet rim to be axially arranged with gap; Be placed in described magnetic and scold the magnet ring external diameter of Moving plate to be less than to be placed in described magnetic and scold the magnet ring external diameter of quiet dish, but be not less than its place, ring width center circular diameter.
A described magnetic watt grip assembly comprises that magnetic scolds inner sleeve I, magnetic to scold inner sleeve II, magnetic to scold outer watt I and magnetic to scold outer watt II; Described magnetic scolds inner sleeve I, described magnetic to scold inner sleeve II, described magnetic to scold outer watt I and described magnetic to scold outer watt II by least two or more and described power shaft concentric, be provided with gap vertically, and the axial length of relative watt of shape permanent magnet of same axial position is identical, polarity is identical; It is a whole set of that described magnetic scolds inner sleeve I and described magnetic to scold inner sleeve II to be circumferentially sealing, and be placed on described power shaft; Described magnetic scolds outer watt I and described magnetic to scold an outer watt II circumferential lengths to be all less than 1/2nd of its place circumference, and is placed in described bearing housing and the interior vertical of described sealing bucket staving to office.
Described magnetic latch assembly comprise the magnetic latch driving disc spacing pressing being placed on described power shaft and be placed in the magnetic latch driven disc on described sealing bucket bucket return pulley hub and be placed in described magnetic latch driving disc spacing pressing and described magnetic latch driven disc between sliding sealing ring; Described magnetic latch driving disc spacing pressing and described magnetic latch driven disc are by least two or more and described power shaft concentric, form in radially adjoining setting and the radially alternatively distributed annular permanent magnet of magnetic pole, and the size of the relative annular permanent magnet of same radial position is identical, polarity is contrary; Described magnetic latch driving disc spacing pressing and described magnetic latch driven disc are provided with gap vertically.
Described heat abstractor comprises the radiator and the internal circulation system that are interconnected; Between the entrance pipe of described internal circulation system and described separation sleeve cavity, be provided with passage, this passage communicates with the entrance of described radiator; Between the cavity of described bearing housing and the barrel-shaped one-tenth of described sealing and described separation sleeve cavity, be provided with described power shaft central bore passage; Described bearing housing and described sealing barrel-shaped become cavity communicate with the outlet I of described internal circulation system, this outlet I communicates with the outlet II of described radiator.
The utility model compared with prior art has the following advantages:
1, in the utility model, be provided with super large moment of torsion magnetic drive device, therefore, when not only outside driving source reducing motor drives, magnet rotor rotates, the work package rotation that interior magnet rotor is connected by magnetic couple effect, realized the object of non contact transmission moment, realized without shaft seal, be flexible coupling, static seal, and what is more important realizes the problem of transmission of super large moment of torsion, can realize more than moment of torsion transmission reaches 10000N.M, stir transmission efficiency thereby improve.
2, in the utility model, the separation sleeve of magnetic drive device adopts nonmetallic materials or metal Tc4 material, therefore, in the time of inside and outside magnet rotor rotor coupled motions, provide a kind of electrical conductivity very little or be zero isolating seal material, realize the object that efficient moment of torsion transmits, reduced or eliminated the generation of eddy current heat.
3, the magnetic assembly in the utility model and magnetic scold assembly that same axial magnetic thrust (axial force producing with stirrer paddle motion is contrary) is provided, the huge axial thrust of offsetting or producing when balance stirrer paddle rotatablely moves, thus reduce or eliminated the axial friction of mechanical bearing; And provide the radially magnetic thrust of the same scope that a kind of shaft center reset thrust and its magnetic watt assembly provide simultaneously, offset or radial frictional force that radial frictional force that balancing rotor parts bring because of gravity and the flexible motion of shaft produce, thereby reduce or eliminate the radial frictional force of mechanical bearing.According to square being inversely proportional to of the Coulomb's law-magnetic force of magnetic and distance, while moving under the effect of the radial load therefore producing in axial thrust, radially gravity and flexible motion with rotor part, magnetic thrust sharply increases, produce deboost, mobile rotary body is pushed back to axle center or longitudinal balance position, reduce or eliminated mechanical bearing because of fricative heat.
4, in the utility model, be provided with magnetic latch assembly, therefore, when slip casting in tower or while stirring, make the sliding sealing ring locking between magnetic latch driving disc spacing pressing and magnetic latch driven disc by magnetic couple effect, realize and between tower chamber and interior circulation cavity, kept separating or the object of sealing.
5, the utility model compared with prior art, realize the operational effect of low eddy current heat, low frictional heat, and by cooling system uniqueness, sealing, only low eddy current heat and low frictional heat are controlled in effective scope, greatly extend service life, eliminate the cooling medium wasting of resources, reduced mechanical kinetic energy loss, improved mechanical transfer efficiency.
Brief description of the drawings
Below in conjunction with accompanying drawing, detailed description of the invention of the present utility model is described in further detail.
Fig. 1 is overall structure schematic diagram of the present utility model.
Fig. 2 is the part rotation section enlarged diagram at the utility model A position.
Fig. 3 is the part rotation section enlarged diagram at the utility model B position.
Fig. 4 is the utility model A-A generalized section.
Fig. 5 is the part rotation section enlarged diagram at the utility model C position.
Fig. 6 is the utility model cooling system embodiment schematic diagram.
In figure: 1-driving source motor, 2-deceleration device, 3-output shaft, 4-support, 5-separation sleeve 6-active magnetic force rotor, 7-driven magnetic force rotor, 8-bearing housing, 9-tower body flange 10-sealing bucket, 11-power shaft, 12-stirrer paddle, 13-magnetic Moving plate 14-magnetic quiet dish 15-mechanical slidingtype bearing I 16-mechanical slidingtype bearing II, 17-magnetic scolds inner sleeve I 18-magnetic to scold outer watt I 19-magnetic to scold quiet dish 20-magnetic to scold Moving plate 21-mechanical slidingtype bearing III 22-mechanical slidingtype bearing IV 23-magnetic to scold inner sleeve II 24-magnetic to scold outer watt II 25-magnetic latch driven disc 26-magnetic latch driving disc spacing pressing 27-sliding sealing ring 28-radiator 29-internal circulation system.
Detailed description of the invention
As shown in Figure 1, a kind of low heat magnetic stirring apparatus, comprises the support 4 that is located on tower body flange 9 and bearing housing 8 and sealing bucket 10, is placed in the deceleration device that is connected with driving source motor 12 on support 4, is placed in the magnetic drive device in support 4.The output shaft 3 of deceleration device 2 is connected with power shaft 11 by magnetic drive device, and this power shaft 11 is connected with stirrer paddle 12 through the termination of bearing housing 8 and sealing bucket 10.
Magnetic drive device comprises the active magnetic force rotor 6 being placed in support 4, driven magnetic force rotor 7.Initiatively magnetic force rotor 6 connects with output shaft 3, and is coupled with driven magnetic force rotor 7; Initiatively between magnetic force rotor 6 and driven magnetic force rotor 7, be provided with separation sleeve 5, this separation sleeve 5 is fixed on bearing housing 8 flanges; Driven magnetic force rotor 7 connects with power shaft 11; Between power shaft 11 and bearing housing 8 rear ends, between power shaft 11 and bearing housing 8 front ends, be respectively equipped with magnetic assembly and the magnetic that its magnetic line of force distributes vertically and scold assembly; Power shaft 11 is respectively equipped with two groups of radially-arranged magnetic watt grip assemblies with bearing housing 8 matrix inner chambers; Between power shaft 11 and sealing bucket 10, be provided with the magnetic latch assembly that its magnetic line of force distributes vertically; The inner chamber of the cavity forming between inner chamber, power shaft 11 and the bearing housing 8 of separation sleeve 5 and sealing bucket 10 connects heat abstractor outward by pipeline respectively.
Wherein: output shaft 3 is coupled with power shaft 11, and power shaft 11 is respectively equipped with mechanical slidingtype bearing I 15, mechanical slidingtype bearing II 16, mechanical slidingtype bearing III 21 and mechanical slidingtype bearing IV 22 vertically; Machinery slidingtype bearing I 15 and mechanical slidingtype bearing III 21 are axial plain bearing; Machinery slidingtype bearing II 16 and mechanical slidingtype bearing IV 22 are bush(ing) bearing.
Separation sleeve 5 adopts nonmetallic materials or metal Tc4 material to make.
Initiatively magnetic force rotor 6 is outer magnet rotor.
Driven magnetic force rotor 7 is interior magnet rotor.
Magnetic assembly comprises the magnetic Moving plate 13 being placed on power shaft 11 and is placed in the quiet dish of magnetic 14(on bearing housing 8 rear end faces referring to Fig. 2).Magnetic Moving plate 13 and the quiet dish 14 of magnetic are by least two or more are with power shaft 11 concentrics, in radially adjoining setting and the radially alternatively distributed annular permanent magnet formation of magnetic pole, and the size of the relative annular permanent magnet of same radial position is identical, polarity is contrary; Magnetic Moving plate 13 is provided with gap vertically with the quiet dish 14 of magnetic; Magnetic Moving plate 13 joins with driven magnetic force rotor 7.
The magnetic that magnetic is scolded assembly to comprise and is placed on power shaft 11 scolds Moving plate 20 and the magnetic being placed on bearing housing 8 front end faces to scold quiet dish 19(referring to Fig. 3, Fig. 4).Magnetic scold Moving plate 20 and magnetic scold quiet dish 19 by one with power shaft 11 concentrics and for same polarity, with the magnet ring formation of ring width; Magnetic scolds Moving plate 20 and magnetic to scold quiet dish 19 to be provided with vertically gap; Be placed in magnetic and scold the magnet ring external diameter of Moving plate 20 to be less than to be placed in magnetic and scold the magnet ring external diameter of quiet dish 19, but be not less than its place, ring width center circular diameter.
Between magnetic assembly and the magnetic axial force opposite direction of scolding the axial magnetic active force that produces between assembly and the utility model to be in operation produced.
A magnetic watt grip assembly comprises that magnetic scolds inner sleeve I 17, magnetic to scold inner sleeve II 23, magnetic to scold outer watt I 18 and magnetic to scold outer watt II 24(referring to Fig. 2, Fig. 3).Magnetic scolds inner sleeve I 17, magnetic to scold inner sleeve II 23, magnetic to scold outer watt I 18 and magnetic to scold outer watt II 24 by least two or more and power shaft 11 concentrics, be provided with gap vertically, and the axial length of relative watt of shape permanent magnet of same axial position is identical, polarity is identical; It is a whole set of that magnetic scolds inner sleeve I 17 and magnetic to scold inner sleeve II 23 to be circumferentially sealing, and be placed on power shaft 11; Magnetic scolds outer watt I 18 and magnetic to scold outer watt II 24 circumferential lengths to be all less than 1/2nd of its place circumference, and is placed in bearing housing 8 and sealing bucket 10 stavings vertical to office.Magnetic scolds the radially magnetic force producing between watt grip assembly contrary with the gravity direction of driven magnetic force rotor 7.
Magnetic latch assembly comprise the magnetic latch driving disc spacing pressing 26 being placed on power shaft 11 and be placed in the magnetic latch driven disc 25 on 10 barrels of return pulley hubs of sealing bucket and be placed in magnetic latch driving disc spacing pressing 26 and magnetic latch driven disc 25 between sliding sealing ring 27(referring to Fig. 5).Magnetic latch driving disc spacing pressing 26 and magnetic latch driven disc 25 are by least two or more are with power shaft 11 concentrics, in radially adjoining setting and the radially alternatively distributed annular permanent magnet formation of magnetic pole, and the size of the relative annular permanent magnet of same radial position is identical, polarity is contrary; Magnetic latch driving disc spacing pressing 26 is provided with gap vertically with magnetic latch driven disc 25.The axial force direction that the magnetic force producing between magnetic latch assembly is in operation produced with the utility model is identical.
Heat abstractor comprises that the radiator 28 that is interconnected and internal circulation system 29(are referring to Fig. 6).Between the entrance pipe of internal circulation system 29 and separation sleeve 5 cavitys, be provided with passage, this passage communicates with the entrance of radiator 28; Between the cavity that bearing housing 8 and sealing bucket 10 form and separation sleeve 5 cavitys, be provided with power shaft 11 central bore passage; The cavity that bearing housing 8 and sealing bucket 10 form communicates with the outlet I of internal circulation system 29, and this outlet I communicates with the outlet II of radiator 28.
When the super large moment of torsion of the utility model after deceleration device 2 slows down passed to active magnetic rotor 6 and rotated by output shaft 3, the driven magnet rotor 7 that is positioned at separation sleeve 5 with active magnetic rotor 6 by synchronous rotary after magnetic couple, and super large moment of torsion is passed to power shaft 11, finally drive stirrer paddle 12 synchronous rotaries.The free end of separation sleeve 5 is fixed on bearing housing 8 flanges, and therefore, separation sleeve 5 is isolated active magnetic rotor 6 completely and do not contact with driven magnet rotor 7, has realized the object of non contact transmission super large moment of torsion.And separation sleeve 5 adopts electrical conductivity very little or be zero metal Tc4 or nonmetallic materials, reduce or eliminated the eddy current heat producing in active magnetic rotor 6 and driven magnet rotor 7 are coupled, transmit super large torque motion process.
Fig. 2, when Fig. 3 illustrates the utility model work, machinery slidingtype bearing I 15, machinery slidingtype bearing II 16, machinery slidingtype bearing III 21 and mechanical slidingtype bearing IV 22 by power shaft 11 radial support and axial limiting in shown position, owing to being provided with magnetic Moving plate 13 and magnetic is scolded Moving plate 20 on power shaft 11, and on the rear end face of bearing housing 8 corresponding thereto and front end face, be provided with respectively the quiet dish 14 of magnetic and magnetic is scolded quiet dish 19, and forming magnetic Moving plate 13 and the quiet dish 14 of magnetic and forming magnetic scolds Moving plate 20 and magnetic to scold after the annular permanent magnet coupling of quiet dish 19, produce respectively magnetic attraction and magnetic repulsion, these two groups coupling magnetic force direction are contrary with the axial force that stirrer paddle 12 motions produce, and with power shaft 11 when the effect bottom offset of axial force, two groups of coupling magnetic force will sharply increase, therefore offset or balance the huge axial thrust that produces in the time rotatablely moving of stirrer paddle 12, thereby reduce or eliminated the axial friction of mechanical slidingtype bearing I 15 and mechanical slidingtype bearing III 21.At the utility model side-feeding type, the radially centrifugal friction power that radial frictional force that mechanical slidingtype bearing II 16 and mechanical slidingtype bearing IV 22 under working condition also bring the rotor part at carrying power shaft 11 places because of gravity and the flexible motion of power shaft 11 produce is installed.Because magnetic is scolded outer watt I 18 and magnetic and is scolded outer watt II 24 circumferential lengths to be less than 1/2nd of its place circumference, and vertical is to office (see figure 4) in bearing housing 8 stavings, therefore, after forming magnetic and scolding inner sleeve I 17, magnetic to scold inner sleeve II 23 and form magnetic and scold outer watt I 18 and magnetic to scold two groups of magnetosheaths of outer watt II 24 to be coupled with magnetic shoe, by produce two groups axially spaced-apart certain distance and the radially magnetic contrary with the rotor part gravity direction at power shaft 11 places scold thrust, effectively reduce or balance the radial frictional force that brings because of gravity of rotor part; Radially alternatively distributed because forming magnetic Moving plate 13 with the annular permanent magnet of the quiet dish 14 of magnetic again, after coupling, will produce radial component, equally, form after magnetic scolds Moving plate 20 and magnetic to scold the annular permanent magnet coupling of the same ring width of quiet dish 19, different-diameter and also will produce radial component, these two groups coupling component are by the generation of constraint power shaft 11 flexible motions.Thus, realized and reduced or eliminate mechanical slidingtype bearing II 16 and mechanical slidingtype bearing IV 22 because of fricative heat.
Fig. 6 illustrates that separation sleeve 5 isolates active magnetic rotor 6 completely and do not contact with driven magnet rotor 7, internal circulation system 29 cavitys and extraneous sealing are realized, equally, form after the annular permanent magnet coupling of magnetic latch driving disc spacing pressing 26 and magnetic latch driven disc 25, the axial suction producing is by mechanical sliding sealing part 27 lockings, realize the sealing between internal circulation system 29 cavitys and tower chamber, therefore, thermal component 28 and internal circulation system 29 are in sealing, independently cavity, even if the low-grade fever that magnetic drive device and low heat device produce, also will be by thermal component 28 by carrying out after heat exchange with ambient atmosphere, remain in effective scope.
Claims (10)
1. a low heat magnetic stirring apparatus, comprises the support (4) that is located on tower body flange (9) and bearing housing (8) and sealing bucket (10), is placed in the deceleration device that is connected with driving source motor (1) (2) on described support (4), is placed in the magnetic drive device in described support (4); The output shaft (3) of described deceleration device (2) is connected with power shaft (11) by described magnetic drive device, this power shaft (11) is connected with stirrer paddle (12) through the termination of described bearing housing (8) and described sealing bucket (10), it is characterized in that: described magnetic drive device comprises the active magnetic force rotor (6), the driven magnetic force rotor (7) that are placed in described support (4); Described active magnetic force rotor (6) connects with described output shaft (3), and is coupled with described driven magnetic force rotor (7); Between described active magnetic force rotor (6) and described driven magnetic force rotor (7), be provided with separation sleeve (5), this separation sleeve (5) is fixed on described bearing housing (8) flange; Described driven magnetic force rotor (7) connects with described power shaft (11); Between described power shaft (11) and described bearing housing (8) rear end, between described power shaft (11) and described bearing housing (8) front end, be respectively equipped with magnetic assembly and the magnetic that its magnetic line of force distributes vertically and scold assembly; Described power shaft (11) is respectively equipped with two groups of radially-arranged magnetic watt grip assemblies with described bearing housing (8) matrix inner chamber; Between described power shaft (11) and described sealing bucket (10), be provided with the magnetic latch assembly that its magnetic line of force distributes vertically; The cavity forming between the inner chamber of described separation sleeve (5), described power shaft (11) and described bearing housing (8) and the inner chamber of described sealing bucket (10) connect heat abstractor outward by pipeline respectively.
2. a kind of low heat magnetic stirring apparatus as claimed in claim 1, it is characterized in that: described output shaft (3) and described power shaft (11) coupling, and described power shaft (11) is respectively equipped with mechanical slidingtype bearing I (15), mechanical slidingtype bearing II (16), mechanical slidingtype bearing III (21) and mechanical slidingtype bearing IV (22) vertically; Described mechanical slidingtype bearing I (15) and described mechanical slidingtype bearing III (21) are axial plain bearing; Described mechanical slidingtype bearing II (16) and described mechanical slidingtype bearing IV (22) are bush(ing) bearing.
3. a kind of low heat magnetic stirring apparatus as claimed in claim 1, is characterized in that: described active magnetic force rotor (6) is outer magnet rotor.
4. a kind of low heat magnetic stirring apparatus as claimed in claim 1, is characterized in that: described driven magnetic force rotor (7) is interior magnet rotor.
5. a kind of low heat magnetic stirring apparatus as claimed in claim 1, is characterized in that: described magnetic scolds the radially magnetic force producing between watt grip assembly contrary with the gravity direction of described driven magnetic force rotor (7).
6. a kind of low heat magnetic stirring apparatus as claimed in claim 1, is characterized in that: described magnetic assembly comprises the magnetic Moving plate (13) being placed on described power shaft (11) and is placed in the quiet dish of magnetic (14) on described bearing housing (8) rear end face; Described magnetic Moving plate (13) and the quiet dish of described magnetic (14) are by least two or more are with described power shaft (11) concentric, in radially adjoining setting and the radially alternatively distributed annular permanent magnet formation of magnetic pole, and the size of the relative annular permanent magnet of same radial position is identical, polarity is contrary; Described magnetic Moving plate (13) is provided with gap vertically with the quiet dish of described magnetic (14); Described magnetic Moving plate (13) joins with described driven magnetic force rotor (7).
7. a kind of low heat magnetic stirring apparatus as claimed in claim 1, is characterized in that: described magnetic scolds assembly to comprise to be placed in the magnetic on described power shaft (11) to scold Moving plate (20) and the magnetic that is placed on described bearing housing (8) front end face is scolded quiet dish (19); Described magnetic scold Moving plate (20) and described magnetic scold quiet dish (19) by one with described power shaft (11) concentric and for same polarity, with the magnet ring formation of ring width; Described magnetic scolds Moving plate (20) and described magnetic to scold quiet dish (19) to be provided with vertically gap; Be placed in described magnetic and scold the magnet ring external diameter of Moving plate (20) to be less than to be placed in described magnetic and scold the magnet ring external diameter of quiet dish (19), but be not less than its place, ring width center circular diameter.
8. a kind of low heat magnetic stirring apparatus as claimed in claim 1, is characterized in that: a described magnetic watt grip assembly comprises that magnetic scolds inner sleeve I (17), magnetic to scold inner sleeve II (23), magnetic to scold outer watt I (18) and magnetic to scold watt II (24) outward; Described magnetic scolds inner sleeve I (17), described magnetic to scold inner sleeve II (23), described magnetic to scold outer watt I (18) and described magnetic to scold outward watt II (24) by least two or more and described power shaft (11) concentric, be provided with gap vertically, and the axial length of relative watt of shape permanent magnet of same axial position is identical, polarity is identical; It is a whole set of that described magnetic scolds inner sleeve I (17) and described magnetic to scold inner sleeve II (23) to be circumferentially sealing, and be placed on described power shaft (11); Described magnetic scolds outer watt I (18) and described magnetic to scold outer watt II (24) circumferential lengths to be all less than 1/2nd of its place circumference, and is placed in described bearing housing (8) and the interior vertical of described sealing bucket (10) staving to office.
9. a kind of low heat magnetic stirring apparatus as claimed in claim 1, is characterized in that: described magnetic latch assembly comprise the magnetic latch driving disc spacing pressing (26) being placed on described power shaft (11) and be placed in the magnetic latch driven disc (25) on described sealing bucket (10) bucket return pulley hub and be placed in described magnetic latch driving disc spacing pressing (26) and described magnetic latch driven disc (25) between sliding sealing ring (27); Described magnetic latch driving disc spacing pressing (26) and described magnetic latch driven disc (25) are by least two or more are with described power shaft (11) concentric, in radially adjoining setting and the radially alternatively distributed annular permanent magnet formation of magnetic pole, and the size of the relative annular permanent magnet of same radial position is identical, polarity is contrary; Described magnetic latch driving disc spacing pressing (26) is provided with gap vertically with described magnetic latch driven disc (25).
10. a kind of low heat magnetic stirring apparatus as claimed in claim 1, is characterized in that: described heat abstractor comprises the radiator (28) and the internal circulation system (29) that are interconnected; Between the entrance pipe of described internal circulation system (29) and described separation sleeve (5) cavity, be provided with passage, this passage communicates with the entrance of described radiator (28); Between the cavity that described bearing housing (8) and described sealing bucket (10) form and described separation sleeve (5) cavity, be provided with described power shaft (11) central bore passage; The cavity that described bearing housing (8) and described sealing bucket (10) form communicates with the outlet I of described internal circulation system (29), and this outlet I communicates with the outlet II of described radiator (28).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420259398.6U CN203829962U (en) | 2014-05-21 | 2014-05-21 | Low heat source magnetic stirring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420259398.6U CN203829962U (en) | 2014-05-21 | 2014-05-21 | Low heat source magnetic stirring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203829962U true CN203829962U (en) | 2014-09-17 |
Family
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420259398.6U Expired - Lifetime CN203829962U (en) | 2014-05-21 | 2014-05-21 | Low heat source magnetic stirring device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104707520A (en) * | 2015-03-20 | 2015-06-17 | 甘肃省科学院磁性器件研究所 | Method and device for arranging stirring device for push-pull transferring of torque by magnetic force |
| CN105080410A (en) * | 2014-05-21 | 2015-11-25 | 白万本 | Low heat source magnetic stirring device |
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2014
- 2014-05-21 CN CN201420259398.6U patent/CN203829962U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105080410A (en) * | 2014-05-21 | 2015-11-25 | 白万本 | Low heat source magnetic stirring device |
| CN105080410B (en) * | 2014-05-21 | 2017-02-15 | 白万本 | Low heat source magnetic stirring device |
| CN104707520A (en) * | 2015-03-20 | 2015-06-17 | 甘肃省科学院磁性器件研究所 | Method and device for arranging stirring device for push-pull transferring of torque by magnetic force |
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