CN105080410A - Low heat source magnetic stirring device - Google Patents
Low heat source magnetic stirring device Download PDFInfo
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- CN105080410A CN105080410A CN201410214207.9A CN201410214207A CN105080410A CN 105080410 A CN105080410 A CN 105080410A CN 201410214207 A CN201410214207 A CN 201410214207A CN 105080410 A CN105080410 A CN 105080410A
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Abstract
The invention 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 sleeve 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 present invention relates to magnetic stirring apparatus, particularly relate to a kind of low heat magnetic stirring apparatus.
Background technology
Along with the fast development of magnetic applied science, magnetic drives is the development trend of alternative traditional mechanical seal, has the features such as No leakage, pollution-free, environmental protection.High rotating speed, little moment of torsion magnetic transmission device have defined 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 are based upon the novel industry on ripe magnetic drive technology basis.
The radial frictional force brought because of weight due to axial thrust and the large rotor parts of the slow-speed of revolution, super large moment of torsion side-feeding type magnetic stirring apparatus blade is larger, cause in mixing plant running and produce a large amount of mechanical friction heat, accelerate the wearing and tearing to bearing, magnetic drives bonding force also weakens because of temperature rise, even demagnetizes.Cause some mechanical kinetic energy rejection simultaneously or reduce transmission efficiency.
In order to solve the problem of temperature on the reduction of magnetic force, the impact of even demagnetizing and bearing life, be provided with interior pressure reduction medium in the prior art from cooling recirculation system or external cooling recirculation system, but adopt interior pressure reduction medium circulation cooling system obviously can not meet operating mode instructions for use for there is particle, suspension etc. in stirring system.Equally, adopt the external circulatory system that continue, continual cooling medium (virgin material) certainly will be needed to supply, namely very high to the degree of dependence of cooling medium, if cooling system pressure is lower or with no pressure, equipment runs will exist serious potential safety hazard, such as: the patent of a Chinese patent ZL201120189150.3 flue gas desulfurization stirring device, take the method for cooling rinse-system to control temperature rise, very high to the degree of dependence of cooling medium equally.
Even if take the mode cooled to control the temperature rise brought because of frictional heat in the prior art, its essence is the waste of cooling medium resource and the process of mechanical kinetic energy loss.
Therefore seek low heat and improve the vital task that transmission efficiency becomes magnetic agitation.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of low heat magnetic stirring apparatus improving stirring transmission efficiency.
For solving the problem, a kind of low heat magnetic stirring apparatus of the present invention, comprise the support and the bearing housing that are located on tower body flange and seal bucket, the deceleration device being connected with driving source motor be placed on described support, the magnetic drive device be placed 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 rotor be placed in described support, driven magnetic rotor; Described active magnetic rotor connects with described output shaft, and is coupled with described driven magnetic rotor; Be provided with separation sleeve between described active magnetic rotor and described driven magnetic rotor, this separation sleeve is fixed on described bearing housing flange; Described driven magnetic rotor connects with described power shaft; Magnetic assembly that its magnetic line of force distributes vertically is respectively equipped with and magnetic scolds assembly between described power shaft and described bearing housing rear end, between described power shaft and described bearing housing front end; Described power shaft and described bearing housing matrix inner chamber are respectively equipped with two groups of radially-arranged magnetic watt grip assemblies; The magnetic latch assembly that its magnetic line of force distributes vertically is provided with between described power shaft and described sealing bucket; The inner chamber of the inner chamber of described separation sleeve, the cavity formed between described power shaft and described bearing housing and described sealing bucket connects heat abstractor respectively by outside pipeline.
Described output shaft is coupled with described power shaft, and described power shaft is respectively equipped with mechanical slip formula bearing I, mechanical slip formula bearing II, mechanical slip formula bearing III and mechanical slip formula bearing IV vertically; Described mechanical slip formula bearing I and described mechanical slip formula bearing III are axial plain bearing; Described mechanical slip formula bearing II and described mechanical slip formula bearing IV are bush(ing) bearing.
Described active magnetic rotor is outer magnet rotor.
Described driven magnetic rotor is interior magnet rotor.
Described magnetic scolds the radial magnetic force produced between watt grip assembly contrary with the gravity direction of described driven magnetic rotor.
Described magnetic assembly comprises the magnetic Moving plate be placed on described power shaft and the quiet dish of magnetic be placed 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, to arrange and the radially alternatively distributed annular permanent magnet of magnetic pole is formed at radially adjoining, and the size of the opposed 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 connects with described driven magnetic rotor.
Described magnetic scolds assembly to comprise, and the magnetic be placed on described power shaft scolds Moving plate and the magnetic be 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 to scold the magnet ring external diameter of Moving plate to be less than to be placed in the magnet ring external diameter that described magnetic scolds 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 scolds inner sleeve II, magnetic scolds outer watt I and magnetic to scold outer watt II; Described magnetic scolds inner sleeve I, described magnetic scolds inner sleeve II, described magnetic scolds 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 closed a whole set of that described magnetic scolds inner sleeve I and described magnetic to scold inner sleeve II circumference to be, and be placed on described power shaft; Described magnetic scolds outer watt I to scold outer watt II circumferential lengths to be all less than 1/2nd of its place circumference with described magnetic, and to be placed in described bearing housing and described sealing bucket staving vertical to office.
Described magnetic latch assembly comprises the magnetic latch driving disc spacing pressing be placed on described power shaft and the magnetic latch driven disc be placed on described sealing bucket bucket return pulley hub and the sliding sealing ring be placed between described magnetic latch driving disc spacing pressing and described magnetic latch driven disc; Described magnetic latch driving disc spacing pressing and described magnetic latch driven disc are by least two or more and described power shaft concentric, to arrange and the radially alternatively distributed annular permanent magnet of magnetic pole is formed at radially adjoining, and the size of the opposed 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 internal circulation system that are interconnected; Be provided with passage between the entrance pipe of described internal circulation system and described separation sleeve cavity, this passage communicates with the entrance of described radiator; Described power shaft central bore passage is provided with between the cavity of described bearing housing and the barrel-shaped one-tenth of described sealing and described separation sleeve cavity; 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 present invention compared with prior art has the following advantages:
1, super large moment of torsion magnetic drive device is provided with in the present invention, therefore, not only when driving source reducing motor drives outer magnet rotor to rotate, the work package interior magnet rotor being connected by magnetic couple effect rotates, achieve the object of non contact transmission moment, namely achieve without shaft seal, be flexible coupling, static seal, and what is more important achieves the problem of transmission of super large moment of torsion, moment of torsion transmission can be realized and reach more than 10000N.M, thus improve stirring transmission efficiency.
2, in the present invention, the separation sleeve of magnetic drive device adopts nonmetallic materials or metal Tc4 material, therefore, when inside and outside magnet rotor rotor coupled motions, there is provided a kind of electrical conductivity very little or be zero isolating seal material, achieve the object that efficient moment of torsion transmits, namely reduce or eliminate the generation of eddy current heat.
3, the magnetic assembly in the present invention and magnetic scold assembly to provide same axial magnetic thrust (contrary with the move axial force that produces of stirrer paddle), the huge axial thrust produced when offsetting or balance stirrer paddle rotary motion, thus the axial friction reducing or eliminate mechanical bearing; And the radial magnetic thrust of the same scope simultaneously providing a kind of shaft center reset thrust and its magnetic watt assembly to provide, offset or radial frictional force that balancing rotor parts bring because of gravity and the radial frictional force that shaft flexible movement produces, thus 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, therefore with rotor part when the move under influence of the radial load that axial thrust, radial gravity and flexible movement produce, magnetic thrust sharply increases, produce deboost, the rotary body of movement is pushed back axle center or longitudinal balance position, namely reduce or eliminate mechanical bearing because of fricative heat.
4, magnetic latch assembly is provided with in the present invention, therefore, when slip casting in tower or when stirring, make the sliding sealing ring locking between magnetic latch driving disc spacing pressing and magnetic latch driven disc by magnetic couple effect, achieve the object keeping between tower chamber with Inner eycle cavity being separated or sealing.
5, the present invention compared with prior art, achieve the operational effect of low eddy current heat, low frictional heat, and by uniqueness, closed cooling system, 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, reduce mechanical kinetic energy loss, improve mechanical transfer efficiency.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in further detail.
Fig. 1 is overall structure schematic diagram of the present invention.
Fig. 2 is that the local at A position of the present invention rotates section enlarged diagram.
Fig. 3 is that the local at B position of the present invention rotates section enlarged diagram.
Fig. 4 is A-A generalized section of the present invention.
Fig. 5 is that the local at C position of the present invention rotates section enlarged diagram.
Fig. 6 is cooling system embodiment schematic diagram of the present invention.
In figure: the quiet dish of 1-driving source motor, 2-deceleration device, 3-output shaft, 4-support, 5-separation sleeve, 6-active magnetic rotor, 7-driven magnetic rotor 8-bearing housing, 9-tower body flange, 10-sealing bucket 11-power shaft, 12-stirrer paddle, 13-magnetic Moving plate 14-magnetic 15-mechanical slip formula bearing I 16-mechanical slip formula 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 slip formula bearing III 22-mechanical slip formula 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 and is located at support 4 on tower body flange 9 and bearing housing 8 and sealing bucket 10, the deceleration device 2 being connected with driving source motor 1 be placed on support 4, the magnetic drive device be placed 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 rotor 6 be placed in support 4, driven magnetic rotor 7.Active magnetic rotor 6 connects with output shaft 3, and is coupled with driven magnetic rotor 7; Be provided with separation sleeve 5 between active magnetic rotor 6 and driven magnetic rotor 7, this separation sleeve 5 is fixed on bearing housing 8 flange; Driven magnetic rotor 7 connects with power shaft 11; Magnetic assembly that its magnetic line of force distributes vertically is respectively equipped with and magnetic scolds assembly between power shaft 11 and bearing housing 8 rear end, between power shaft 11 and bearing housing 8 front end; Power shaft 11 and bearing housing 8 matrix inner chamber are respectively equipped with two groups of radially-arranged magnetic watt grip assemblies; The magnetic latch assembly that its magnetic line of force distributes vertically is provided with between power shaft 11 and sealing bucket 10; The inner chamber of separation sleeve 5, the cavity formed between power shaft 11 and bearing housing 8 and the inner chamber sealing bucket 10 connect heat abstractor respectively by outside pipeline.
Wherein: output shaft 3 is coupled with power shaft 11, and power shaft 11 is respectively equipped with mechanical slip formula bearing I 15, mechanical slip formula bearing II 16, mechanical slip formula bearing III 21 and mechanical slip formula bearing IV 22 vertically; Mechanical slip formula bearing I 15 and mechanical slip formula bearing III 21 are axial plain bearing; Mechanical slip formula bearing II 16 and mechanical slip formula bearing IV 22 are bush(ing) bearing.
Separation sleeve 5 adopts nonmetallic materials or metal Tc4 material to make.
Active magnetic rotor 6 is outer magnet rotor.
Driven magnetic rotor 7 is interior magnet rotor.
Magnetic assembly comprise be placed in magnetic Moving plate on power shaft 11 13 and the magnetic quiet dish 14(that is placed on bearing housing 8 rear end face see Fig. 2).Magnetic Moving plate 13 and the quiet dish of magnetic 14 are by least two or more and power shaft 11 concentric, to arrange and the radially alternatively distributed annular permanent magnet of magnetic pole is formed at radially adjoining, and the size of the opposed annular permanent magnet of same radial position is identical, polarity is contrary; Magnetic Moving plate 13 and the quiet dish 14 of magnetic are provided with gap vertically; Magnetic Moving plate 13 connects with driven magnetic rotor 7.
Magnetic scolds assembly to comprise, and the magnetic be placed on power shaft 11 scolds Moving plate 20 and the magnetic be placed on bearing housing 8 front end face to scold quiet dish 19(see Fig. 3, Fig. 4).Magnetic scold Moving plate 20 and magnetic scold quiet dish 19 by one with power shaft 11 concentric and be same polarity, form with the magnet ring of ring width; Magnetic scolds Moving plate 20 and magnetic to scold quiet dish 19 to be provided with gap vertically; Be placed in magnetic to scold the magnet ring external diameter of Moving plate 20 to be less than to be placed in the magnet ring external diameter that magnetic scolds quiet dish 19, but be not less than its place, ring width center circular diameter.
Between magnetic assembly and magnetic scold the axial magnetic active force produced between assembly contrary with the axial force direction that the present invention is in operation produced.
A magnetic watt grip assembly comprises that magnetic scolds inner sleeve I 17, magnetic scolds inner sleeve II 23, magnetic scolds outer watt I 18 and magnetic to scold outer watt II 24(see Fig. 2, Fig. 3).Magnetic scolds inner sleeve I 17, magnetic scolds inner sleeve II 23, magnetic scolds outer watt I 18 and magnetic to scold outer watt II 24 by least two or more and 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 closed a whole set of that magnetic scolds inner sleeve I 17 and magnetic to scold inner sleeve II 23 circumference to be, and be placed on power shaft 11; Magnetic scolds outer watt I 18 to scold outer watt II 24 circumferential lengths to be all less than 1/2nd of its place circumference with magnetic, and to be placed in bearing housing 8 and sealing bucket 10 staving vertical to office.Magnetic scolds the radial magnetic force produced between watt grip assembly contrary with the gravity direction of driven magnetic rotor 7.
Magnetic latch assembly comprise the magnetic latch driving disc spacing pressing 26 that is placed on power shaft 11 and the magnetic latch driven disc 25 that is placed on sealing bucket 10 barrels of return pulley hubs and the sliding sealing ring 27(that is placed between magnetic latch driving disc spacing pressing 26 and magnetic latch driven disc 25 see Fig. 5).Magnetic latch driving disc spacing pressing 26 and magnetic latch driven disc 25 are by least two or more and power shaft 11 concentric, to arrange and the radially alternatively distributed annular permanent magnet of magnetic pole is formed at radially adjoining, and the size of the opposed annular permanent magnet of same radial position is identical, polarity is contrary; Magnetic latch driving disc spacing pressing 26 and magnetic latch driven disc 25 are provided with gap vertically.The axial force direction that the magnetic force produced between magnetic latch assembly and the present invention are in operation produced is identical.
Heat abstractor comprises the radiator 28 and internal circulation system 29(that are interconnected see Fig. 6).Be provided with passage between the entrance pipe of internal circulation system 29 and separation sleeve 5 cavity, this passage communicates with the entrance of radiator 28; Power shaft 11 central bore passage is provided with between the cavity that bearing housing 8 and sealing bucket 10 are formed and separation sleeve 5 cavity; The cavity that bearing housing 8 and sealing bucket 10 are formed communicates with the outlet I of internal circulation system 29, and this outlet I communicates with the outlet II of radiator 28.
The present invention through deceleration device 2 slow down after super large moment of torsion by output shaft 3 pass to active magnetic rotor 6 rotate time, the driven magnet rotor 7 being 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, final drive stirrer paddle 12 synchronous rotary.The free end of separation sleeve 5 is fixed on bearing housing 8 flange, and therefore, separation sleeve 5 is completely isolated with driven magnet rotor 7 and do not contact by active magnetic rotor 6, namely achieves the object of non contact transmission super large moment of torsion.And separation sleeve 5 adopt electrical conductivity very little or be zero metal Tc4 or nonmetallic materials, reduce or eliminate be coupled with driven magnet rotor 7 at active magnetic rotor 6, transmit produce in super large torque motion process eddy current heat.
Fig. 2, while Fig. 3 illustrates work of the present invention, mechanical slip formula bearing I 15, mechanical slip formula bearing II 16, mechanical slip formula bearing III 21 and mechanical slip formula 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 scolds Moving plate 20 on power shaft 11, and on the rear end face and front end face of bearing housing 8 corresponding thereto, be provided with the quiet dish of magnetic 14 respectively and magnetic scolds quiet dish 19, and form magnetic Moving plate 13 and the quiet dish of magnetic 14 and form after magnetic scolds Moving plate 20 and magnetic to scold the annular permanent magnet coupling of quiet dish 19, produce magnetic attraction and magnetic repulsion respectively, these two groups couplings magnetic force direction and stirrer paddles 12 axial force produced of moving is contrary, 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 stirrer paddle 12 produces when rotary motion, thus reduce or eliminate the axial friction of mechanical slip formula bearing I 15 and mechanical slip formula bearing III 21.The radial frictional force that the rotor part at carrying power shaft 11 place also brings because of gravity by mechanical slip formula bearing II 16 and mechanical slip formula bearing IV 22 under side-feeding type of the present invention installs working condition and the radial centrifugal friction power that power shaft 11 flexible movement produces.Because magnetic scolds outer watt I 18 and magnetic to scold outer watt II 24 circumferential lengths to be less than 1/2nd of its place circumference, and to be in bearing housing 8 staving vertical to office (see figure 4), therefore, form that magnetic scolds inner sleeve I 17, magnetic scolds inner sleeve II 23 and form after magnetic scolds outer watt I 18 and magnetic to scold two groups of magnetosheaths of outer watt II 24 to be coupled with magnetic shoe, by generation two groups axially spaced-apart certain distance and the radial magnetic contrary with the rotor part gravity direction at power shaft 11 place scolds thrust, effectively reduce or balance the radial frictional force that rotor part brings because of gravity; Again because the annular permanent magnet forming magnetic Moving plate 13 and the quiet dish of magnetic 14 is radially alternatively distributed, radial component will be produced after coupling, equally, form after magnetic scolds Moving plate 20 and magnetic to scold the annular permanent magnet of the same ring width of quiet dish 19, different-diameter to be coupled and also will produce radial component, these two groups coupling component are by the generation of constraint power shaft 11 flexible movement.Thus, reduction or elimination mechanical slip formula bearing II 16 and mechanical slip formula bearing IV 22 is achieved because of fricative heat.
Fig. 6 illustrates that separation sleeve 5 is completely isolated with driven magnet rotor 7 and do not contact by active magnetic rotor 6, achieve internal circulation system 29 cavity and extraneous sealing, equally, after forming the annular permanent magnet coupling of magnetic latch driving disc spacing pressing 26 and magnetic latch driven disc 25, the axial suction produced is by the locking of mechanical slip formula seal 27, achieve the sealing between internal circulation system 29 cavity and tower chamber, therefore, thermal component 28 and internal circulation system 29 are in closed, independently cavity, even if the low-grade fever that magnetic drive device and low heat device produce, also will by thermal component 28 by after carrying out heat exchange with ambient atmosphere, remain in effective scope.
Claims (10)
1. a low heat magnetic stirring apparatus, comprises and is located at support (4) on tower body flange (9) and bearing housing (8) and sealing bucket (10), the deceleration device (2) being connected with driving source motor (1) be placed on described support (4), the magnetic drive device be placed 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 and is placed in the active magnetic rotor (6) in described support (4), driven magnetic rotor (7); Described active magnetic rotor (6) connects with described output shaft (3), and is coupled with described driven magnetic rotor (7); Be provided with separation sleeve (5) between described active magnetic rotor (6) and described driven magnetic rotor (7), this separation sleeve (5) is fixed on described bearing housing (8) flange; Described driven magnetic rotor (7) connects with described power shaft (11); Magnetic assembly that its magnetic line of force distributes vertically is respectively equipped with and magnetic scolds assembly between described power shaft (11) and described bearing housing (8) rear end, between described power shaft (11) and described bearing housing (8) front end; Described power shaft (11) and described bearing housing (8) matrix inner chamber are respectively equipped with two groups of radially-arranged magnetic watt grip assemblies; The magnetic latch assembly that its magnetic line of force distributes vertically is provided with between described power shaft (11) and described sealing bucket (10); The inner chamber of the inner chamber of described separation sleeve (5), the cavity formed between described power shaft (11) and described bearing housing (8) and described sealing bucket (10) connects heat abstractor respectively by outside pipeline.
2. a kind of low heat magnetic stirring apparatus as claimed in claim 1, it is characterized in that: described output shaft (3) is coupled with described power shaft (11), and described power shaft (11) is respectively equipped with mechanical slip formula bearing I (15), mechanical slip formula bearing II (16), mechanical slip formula bearing III (21) and mechanical slip formula bearing IV (22) vertically; Described mechanical slip formula bearing I (15) and described mechanical slip formula bearing III (21) are axial plain bearing; Described mechanical slip formula bearing II (16) and described mechanical slip formula 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 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 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 radial magnetic force produced between watt grip assembly contrary with the gravity direction of described driven magnetic 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) be placed on described power shaft (11) and the quiet dish of magnetic (14) be placed 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 and described power shaft (11) concentric, to arrange and the radially alternatively distributed annular permanent magnet of magnetic pole is formed at radially adjoining, and the size of the opposed annular permanent magnet of same radial position is identical, polarity is contrary; Described magnetic Moving plate (13) and the quiet dish of described magnetic (14) are provided with gap vertically; Described magnetic Moving plate (13) connects with described driven magnetic rotor (7).
7. a kind of low heat magnetic stirring apparatus as claimed in claim 1, is characterized in that: described magnetic scold assembly to comprise the magnetic be placed on described power shaft (11) scolds Moving plate (20) and the magnetic be placed on described bearing housing (8) front end face to scold 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 be same polarity, form with the magnet ring of ring width; Described magnetic scolds Moving plate (20) and described magnetic to scold quiet dish (19) to be provided with gap vertically; Be placed in described magnetic to scold the magnet ring external diameter of Moving plate (20) to be less than to be placed in the magnet ring external diameter that described magnetic scolds 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 scolds inner sleeve II (23), magnetic scolds outer watt I (18) and magnetic to scold watt II (24) outward; Described magnetic scolds inner sleeve I (17), described magnetic scolds inner sleeve II (23), described magnetic scolds 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 closed a whole set of that described magnetic scolds inner sleeve I (17) and described magnetic to scold inner sleeve II (23) circumference to be, and be placed on described power shaft (11); Described magnetic scolds outer watt I (18) to scold outer watt II (24) circumferential lengths to be all less than 1/2nd of its place circumference with described magnetic, and to be placed in described bearing housing (8) and described sealing bucket (10) staving vertical to office.
9. a kind of low heat magnetic stirring apparatus as claimed in claim 1, is characterized in that: described magnetic latch assembly comprises the magnetic latch driving disc spacing pressing (26) be placed on described power shaft (11) and the magnetic latch driven disc (25) be placed on described sealing bucket (10) bucket return pulley hub and the sliding sealing ring (27) be placed between described magnetic latch driving disc spacing pressing (26) and described magnetic latch driven disc (25); Described magnetic latch driving disc spacing pressing (26) and described magnetic latch driven disc (25) are by least two or more and described power shaft (11) concentric, to arrange and the radially alternatively distributed annular permanent magnet of magnetic pole is formed at radially adjoining, and the size of the opposed annular permanent magnet of same radial position is identical, polarity is contrary; Described magnetic latch driving disc spacing pressing (26) and described magnetic latch driven disc (25) are provided with gap vertically.
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 internal circulation system (29) that are interconnected; Be provided with passage between the entrance pipe of described internal circulation system (29) and described separation sleeve (5) cavity, this passage communicates with the entrance of described radiator (28); Described power shaft (11) central bore passage is provided with between the cavity that described bearing housing (8) and described sealing bucket (10) are formed and described separation sleeve (5) cavity; The cavity that described bearing housing (8) and described sealing bucket (10) are formed communicates with the outlet I of described internal circulation system (29), and this outlet I communicates with the outlet II of described radiator (28).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410214207.9A CN105080410B (en) | 2014-05-21 | 2014-05-21 | Low heat source magnetic stirring device |
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| CN201410214207.9A CN105080410B (en) | 2014-05-21 | 2014-05-21 | Low heat source magnetic stirring device |
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| CN105080410A true CN105080410A (en) | 2015-11-25 |
| CN105080410B CN105080410B (en) | 2017-02-15 |
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| CN109534263A (en) * | 2019-01-08 | 2019-03-29 | 鲍少华 | A kind of adjustment subpackage apparatus of Western medicine |
| CN109843424A (en) * | 2016-08-01 | 2019-06-04 | 捷特有限公司 | Modularization rabbling mechanism |
| CN112553658A (en) * | 2020-12-29 | 2021-03-26 | 皖西学院 | Electrolyte preparation facilities for lithium cell |
| CN115501794A (en) * | 2022-09-27 | 2022-12-23 | 浙江博业机械科技有限公司 | Magnetic stirrer using magnetic suspension technology |
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| CN105080410B (en) | 2017-02-15 |
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