CN208771338U - A kind of base assembly for magnetic stirring apparatus - Google Patents
A kind of base assembly for magnetic stirring apparatus Download PDFInfo
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- CN208771338U CN208771338U CN201821273515.9U CN201821273515U CN208771338U CN 208771338 U CN208771338 U CN 208771338U CN 201821273515 U CN201821273515 U CN 201821273515U CN 208771338 U CN208771338 U CN 208771338U
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Abstract
The utility model discloses a kind of base assembly for magnetic stirring apparatus, including motor (1), outer magnetic cylinder (2) and interior magnetic cylinder (3), it exports main shaft (4), it exports in the fixedly embedded interior magnetic cylinder (3) in top of main shaft (4) and is equipped with output sleeve (27) on the outside of output main shaft (4), there are gap (26) between output main shaft (4) and output sleeve (27) and oil removal set (25) is inserted upwardly into gap (26), oil removal set (25) is fixed on support base flange (17) by oil removal set flange (20), the bottom for being nested with the bearing support block (15) on the outside of output sleeve (27) is fixed on support base flange (17) and is fixed on the bottom of motive power flange (5) at the top of bearing support block (15), output sleeve (27) and bearing Tapered roller bearing (12) are provided in the inner cavity that support base (15) is constituted.The base assembly supporting & stablizing of the utility model and at low cost.
Description
Technical field
The utility model relates to chemical machinery mixing plant technical field, specifically a kind of bearing support it is stable and
Cooling performance can be improved and reduce the base assembly for magnetic stirring apparatus of cost.
Background technique
Chinese patent 201510298385.9 discloses a kind of magnetic sealing device for big torque magnetic stirring apparatus, should
Patent is slowed down by driving motor, magnetic coupling and built-in planetary reducer and increases torque, is realized Large-torsion transmisson, is led to
The setting of lubricant medium chamber and lower lubricant medium chamber is crossed, so that the lubrication of gear and bearing is guaranteed；Pass through magnetic field simultaneously
Driving, achievees the effect that be fully sealed, solves mechanical seal and the insoluble seal failure of packing seal and leakage pollution
The problem of, and each bearing is not leaked with lubricant medium, thoroughly solves the leakage problem of bearing lubrication medium.But due to the patent
Lower lubricant medium chamber is constituted in technical solution using support base flange and output shaft support base and setting circular cone rolls between the two
Sub- bearing group, so that static support base flange leads to shaft strength between dynamic output shaft support base and output shaft
It is unstable, be difficult to radiate, and since the volume of support base flange is excessive, cause that cost is too high, profit is small.
Summary of the invention
The purpose of this utility model is in view of the problems of the existing technology, it is stable and can to provide a kind of bearing support
Improve cooling performance and reduces the base assembly for magnetic stirring apparatus of cost.
The purpose of this utility model solves by the following technical programs:
A kind of base assembly for magnetic stirring apparatus, including motor, constitute magnetic coupling outer magnetic cylinder and interior magnetic cylinder,
Export main shaft, it is characterised in that: be equipped in the fixedly embedded interior magnetic cylinder in top of the output main shaft and on the outside of output main shaft
Top is fixed on the output sleeve in interior magnetic cylinder bottom portion, and exporting between main shaft and output sleeve has gap and oil removal set is from the gap
Bottom be inserted upwardly into gap, oil removal set by oil removal set flange is fixed on support base flange, be nested with outside output sleeve
The bottom of the bearing support block of side is fixed on support base flange and is fixed on motive power method at the top of bearing support block
Tapered roller bearing is provided in the inner cavity that blue bottom, output sleeve and bearing support block are constituted；The output shaft of the motor
Outer magnetic cylinder is driven to rotate, outer magnetic cylinder drives interior magnetic cylinder to rotate by magnetic fields, and interior magnetic cylinder directly drives defeated
Main shaft and output sleeve rotate so that output main shaft acting out.
FS lip type oil sealing and support base flange are equipped between the inner wall of the motive power flange and the outer wall of output sleeve
Upper inside wall and output sleeve outer wall between be equipped with FB lip type oil sealing, outer wall, FS lip type oil sealing and the power of output sleeve
The top of the inner wall of the bottom of pivot flange and bearing support block, FB lip type oil sealing and support base flange constitutes lubricant medium
Chamber.
The support base flange is connected to the lubricant medium filler port of lubricant medium chamber with being all equipped on motive power flange,
And the filler of lubricant medium filler port is blocked using plug screw.
The upper axis positioned at motive power flange bottom side is equipped with positioned at the upside of the tapered roller bearing on lubricant medium chamber top
It holds and is equipped with FB lip type oil sealing, the upper bearing (metal) interval between the inside of spacer sleeve and the upper bearing (metal) spacer sleeve and the outer wall of output sleeve
It covers in the inner cavity that motive power flange protrusion insertion output sleeve and bearing support block at position are constituted；Positioned at lubricant medium
The downside of the tapered roller bearing of chamber lower part is equipped with the lower bearing spacer sleeve being located at the top of support base flange.
Disc is equipped with positioned at the downside of the tapered roller bearing on lubricant medium chamber top and is located at lubricant medium chamber top
The upside of tapered roller bearing be equipped with disc, above-mentioned disc is all fixed on the outer wall of output sleeve and follows output
Axle sleeve rotation.
The internal diameter of the output sleeve from top to bottom becomes larger along the axial line of output main shaft, so that the internal diameter in gap
It is from top to bottom become larger along the axial line of output main shaft.
The upper edge of the oil removal set constitutes the taper roller on the top in inner cavity not less than output sleeve and bearing support block
Bearing lower edge.
The outside of the bearing support block is equipped with rack, and the bottom of rack is fixedly welded on support base flange and bearing branch
It supports the outer wall bottom of seat, be fixedly welded at the top of the bottom of motive power flange and the outer wall of bearing support block at the top of rack,
And the bottom of rack is bolted on support base flange；The top of the motive power flange by motor supporting base with
Motor is fixedly linked, and the bottom at the top of rack, motive power flange and motor supporting base is bolted.
The support base flange is connected with output flange seat below by bolt, and support base flange base
Annular protrusion is embedded in the annular groove on output flange seat, and the inside of annular protrusion is equipped with the O-shaped rubber seal of third
For sealing output flange seat and support base flange.
The oil removal set flange is bolted on the bottom of support base flange and the upper edge of oil removal set flange and is equipped with
4th O-shaped rubber seal of insertion support base flange base is used to seal the contact portion of oil removal set flange and support base flange
Position；The inside of the oil removal set flange is connected by contacting between PTFE oil sealing and anti-wear sleeve and output main shaft, and PTFE oil
The top of envelope is equipped with the oil sealing withdrawal sleeve between insertion oil removal set flange inner wall and anti-wear sleeve outer wall.
The utility model has the following advantages compared with prior art:
The utility model is inserted into gap by the way that gap is arranged between the output sleeve of synchronous rotation and output main shaft
Lubricant medium, and the setting of corresponding oil sealing is isolated to output main shaft in static oil removal set, not only reduces costs but also prevents profit
The leakage of sliding medium；The setting in gap improves heat dissipation performance simultaneously, and the setting of bearing spacer sleeve improves taper roller axis
The stability held.
Detailed description of the invention
Attached drawing 1 is the structural schematic diagram of the base assembly for magnetic stirring apparatus of the utility model.
Wherein: 1-motor；2-outer magnetic cylinders；3-interior magnetic cylinders；4-output shafts；5-motive power flanges；6-the first is O-shaped
Rubber seal；7-lubricant medium filler ports；8-the second O-shaped rubber seal；9-FS lip type oil sealings；10-FB lip type oil
Envelope；11-upper bearing (metal) spacer sleeves；12-tapered roller bearings；13-discs；14-lubricant medium chambers；15-bearing supports
Seat；16-lower bearing spacer sleeves；17-support base flanges；The O-shaped rubber seal of 18-thirds；19-the four O-shaped rubber seal
Circle；20-oil removals cover flange；21-anti-friction bearings；22-PTFE oil sealings；23-oil sealing withdrawal sleeves；24-output flange seats；
25-oil removal sets；26-gaps；27-output sleeves；28-racks；29-motor supporting bases.
Specific embodiment
The utility model is further described with embodiment with reference to the accompanying drawing.
A kind of base assembly for magnetic stirring apparatus as shown in Figure 1:, the outer magnetic including motor 1, composition magnetic coupling
Cylinder 2 and interior magnetic cylinder 3, output main shaft 4 in the fixedly embedded interior magnetic cylinder 3 in the top of the output main shaft 4 and export the outer sheath of main shaft 4
It is equipped with the output sleeve 27 that top is fixed on interior 3 bottom of magnetic cylinder, exporting has gap 26 between main shaft 4 and output sleeve 27, defeated
The internal diameter of axle sleeve 27 from top to bottom becomes larger along the axial line of output main shaft 4 out, so that the internal diameter in gap 26 is along output
The axial line of main shaft 4 from top to bottom becomes larger；And oil removal set 25 is inserted upwardly into gap 26 from the bottom in the gap 26, oil removal
The bottom of set 25 covers flange 20 by oil removal and is fixed on support base flange 17, is nested with the bearing support in 27 outside of output sleeve
The bottom of seat 15 is fixed on support base flange 17 and the top of bearing support block 15 is fixed on the bottom of motive power flange 5
Tapered roller bearing 12 is provided in the inner cavity that portion, output sleeve 27 and bearing support block 15 are constituted, it should be noted that oil removal
The upper edge of set 25 constitutes 12 lower edge of tapered roller bearing on the top in inner cavity not less than output sleeve 27 and bearing support block 15.
In said structure, bottom and the axis of the outer wall of output sleeve 27, FS lip type oil sealing 9 and motive power flange 5
Hold the inner wall of support base 15, the top composition lubricant medium chamber 14 of FB lip type oil sealing 10 and support base flange 17, support base flange
17 are connected to the lubricant medium filler port 7 of lubricant medium chamber 14, and lubricant medium filler port 7 with being all equipped on motive power flange 5
Filler using plug screw block；FS lip type oil sealing 9 be arranged in motive power flange 5 inner wall and output sleeve 27 outer wall it
Between, so that the lubricant medium in lubricant medium chamber 14 will not diffuse in power drive portion upwards；The setting of FB lip type oil sealing 10 exists
Between the upper inside wall of support base flange 17 and the outer wall of output sleeve 27, to avoid the lubricant medium in lubricant medium chamber 14 to
Under leak to output sleeve 27 bottom and inner wall, oil removal set 25 lower part outer wall and support base flange 17 top groove it
Between in the cavity that constitutes, even if another lubricant medium leaks to downwards in the cavity, the setting of oil removal set 25 also avoids lubrication and is situated between
The side of matter immersion output shaft 4.The FS lip type oil sealing 9 and FB lip type oil sealing 10 of use all select inner frame to have secondary lip and using four
Oil sealing made of fluorubber.
On this basis, it is equipped with positioned at the upside of the tapered roller bearing 12 on 14 top of lubricant medium chamber and is located at motive power
FB is equipped between the upper bearing (metal) spacer sleeve 11 of 5 bottom side of flange and the inside of the upper bearing (metal) spacer sleeve 11 and the outer wall of output sleeve 27
Lip type oil sealing 10,5 protrusion of motive power flange insertion output sleeve 27 and bearing branch at 11 position of upper bearing (metal) spacer sleeve
It supports in the inner cavity that seat 15 is constituted；It is equipped with positioned at the downside of the tapered roller bearing 12 of 14 lower part of lubricant medium chamber and is located at support base method
The lower bearing spacer sleeve 16 at 17 top of orchid.Further, under the tapered roller bearing 12 on 14 top of lubricant medium chamber
Side is equipped with disc 13 and is equipped with disc 13 positioned at the upside of the tapered roller bearing 12 on 14 top of lubricant medium chamber, above-mentioned
Disc 13 is all fixed on the outer wall of output sleeve 27 and output sleeve 27 is followed to rotate.
Above-mentioned oil removal set flange 20 is bolted on the bottom of support base flange 17 and oil removal covers the upper of flange 20
Flange 20 and support base method are covered for sealing oil removal along the 4th O-shaped rubber seal 19 for being equipped with insertion 17 bottom of support base flange
The contact site of orchid 17；The inside that oil removal covers flange 20 is indirectly by PTFE oil sealing 22 and anti-wear sleeve 21 and output main shaft 4
Touching is connected, and the oil sealing that the top of PTFE oil sealing 22 is equipped between insertion oil removal set 20 inner wall of flange and 21 outer wall of anti-wear sleeve moves back
Unload set 23.
As shown in Figure 1, the base assembly for being used for magnetic stirring apparatus further includes relevant sheath structure, wherein in axis
The outside for holding support base 15 is equipped with rack 28, and the bottom of rack 28 is fixedly welded on support base flange 17 and bearing support block 15
Outer wall bottom, rack 28 top be fixedly welded on motive power flange 5 bottom and bearing support block 15 outer wall at the top of,
And the bottom of rack 28 is bolted on support base flange 17；The top of motive power flange 5 passes through motor supporting base
29 are fixedly linked with motor 1, and the bottom at the top of rack 28, motive power flange 5 and motor supporting base 29 is solid by bolt
It is fixed；Support base flange 17 is connected with output flange seat 24 below by bolt, and the annular of 17 bottom of support base flange
Protrusion is embedded in the annular groove on output flange seat 24, and the inside of annular protrusion is equipped with the O-shaped rubber seal 18 of third
For sealing output flange seat 24 and support base flange 17.
It is dynamic that insertion is equipped with to strengthen sealing performance, between the bottom of motor supporting base 29 and the top of motive power flange 5
The first O-shaped rubber seal 6 in power pivot flange 5 is equipped with embedding between the bottom of motive power flange 5 and the top of rack 28
Enter the second O-shaped rubber seal 8 in motive power flange 5.
The base assembly for magnetic stirring apparatus of the utility model is in use, installation is corresponding on output main shaft 4 first
Agitating paddle, then base assembly is mounted on corresponding container to be mixed by output flange seat 24, starts motor 1, then
The output shaft of motor 1 drives outer magnetic cylinder 2 to rotate, and outer magnetic cylinder 2 drives interior magnetic cylinder 3 to rotate by magnetic fields,
Output main shaft 4 and output sleeve 27 is directly driven to rotate for interior magnetic cylinder 3 so that output main shaft 4 drives agitating paddle acting.
The utility model between the output sleeve 27 of synchronous rotation and output main shaft 4 by being arranged gap 26, and gap
26 interpolations enter static oil removal and cover 25 pairs of isolation lubricant mediums of output main shafts 4, and the setting of corresponding oil sealing, both reduce into
Originally, the leakage of lubricant medium is prevented again；The setting in gap 26 improves heat dissipation performance simultaneously, and the setting of bearing spacer sleeve mentions
The high stability of tapered roller bearing.
Above embodiments are only to illustrate the technical idea of the utility model, and the protection model of the utility model cannot be limited with this
Enclose, it is all according to the utility model proposes technical idea, any changes made on the basis of the technical scheme each falls within this reality
Within the scope of novel protected；The technology that the utility model is not directed to can be realized by the prior art.
Claims (10)
1. a kind of base assembly for magnetic stirring apparatus, including motor (1), the outer magnetic cylinder (2) of magnetic coupling and interior is constituted
Magnetic cylinder (3), output main shaft (4), it is characterised in that: in the fixedly embedded interior magnetic cylinder (3) in top of output main shaft (4) and export
It is equipped with the output sleeve (27) that top is fixed on interior magnetic cylinder (3) bottom on the outside of main shaft (4), exports main shaft (4) and output shaft
Bottom with gap (26) and oil removal set (25) from the gap (26) between set (27) is inserted upwardly into gap (26), oil removal set
(25) it is fixed on support base flange (17) by oil removal set flange (20), the bearing support being nested on the outside of output sleeve (27)
The bottom of seat (15) is fixed on support base flange (17) and is fixed on motive power method at the top of bearing support block (15)
Tapered roller bearing (12) are provided in the inner cavity that the bottom of blue (5), output sleeve (27) and bearing support block (15) are constituted；Institute
The output shaft for stating motor (1) drives outer magnetic cylinder (2) to rotate, and outer magnetic cylinder (2) drives interior magnetic cylinder (3) to make by magnetic fields
Rotary motion, output main shaft (4) and output sleeve (27) is directly driven to rotate for interior magnetic cylinder (3) so that output main shaft (4) acting.
2. the base assembly according to claim 1 for magnetic stirring apparatus, it is characterised in that: the motive power flange
(5) upper inside wall of FS lip type oil sealing (9) and support base flange (17) is equipped between the outer wall of inner wall and output sleeve (27)
Be equipped with FB lip type oil sealing (10) between the outer wall of output sleeve (27), the outer wall of output sleeve (27), FS lip type oil sealing (9) and
The bottom of motive power flange (5) and inner wall, FB lip type oil sealing (10) and the support base flange (17) of bearing support block (15)
Top constitute lubricant medium chamber (14).
3. the base assembly according to claim 2 for magnetic stirring apparatus, it is characterised in that: the support base flange
(17) the lubricant medium filler port (7) of lubricant medium chamber (14), and lubricant medium are connected to being all equipped on motive power flange (5)
The filler of filler port (7) is blocked using plug screw.
4. the base assembly according to claim 2 for magnetic stirring apparatus, it is characterised in that: be located at lubricant medium chamber
(14) upside of the tapered roller bearing (12) on top is equipped with the upper bearing (metal) spacer sleeve (11) positioned at motive power flange (5) bottom side
And FB lip type oil sealing (10), the upper bearing (metal) are equipped between the inside of the upper bearing (metal) spacer sleeve (11) and the outer wall of output sleeve (27)
What motive power flange (5) protrusion insertion output sleeve (27) and bearing support block (15) at spacer sleeve (11) position were constituted
In inner cavity；It is equipped with positioned at the downside of the tapered roller bearing (12) of lubricant medium chamber (14) lower part and is located at support base flange (17) top
The lower bearing spacer sleeve (16) in portion.
5. the base assembly according to claim 2 or 4 for magnetic stirring apparatus, it is characterised in that: be located at lubricant medium
The downside of the tapered roller bearing (12) on chamber (14) top is equipped with disc (13) and is located at the circle on lubricant medium chamber (14) top
The upside of taper roller bearing (12) is equipped with disc (13), and above-mentioned disc (13) is all fixed on the outer wall of output sleeve (27)
It goes up and output sleeve (27) is followed to rotate.
6. the base assembly according to claim 1 for magnetic stirring apparatus, it is characterised in that: the output sleeve (27)
Internal diameter along output main shaft (4) axial line from top to bottom become larger so that the internal diameter of gap (26) along output main shaft
(4) axial line from top to bottom becomes larger.
7. the base assembly for magnetic stirring apparatus according to claim 1 or 6, it is characterised in that: the oil removal set
(25) upper edge constitutes the tapered roller bearing on the top in inner cavity not less than output sleeve (27) and bearing support block (15)
(12) lower edge.
8. the base assembly according to claim 1 for magnetic stirring apparatus, it is characterised in that: the bearing support block
(15) outside is equipped with rack (28), and the bottom of rack (28) is fixedly welded on support base flange (17) and bearing support block
(15) bottom and the bearing support block (15) of motive power flange (5) are fixedly welded at the top of outer wall bottom, rack (28)
Outer wall at the top of, and the bottom of rack (28) is bolted on support base flange (17)；The motive power flange (5)
Top be fixedly linked with motor (1) by motor supporting base (29), and the top of rack (28), motive power flange (5) and
The bottom of motor supporting base (29) is bolted.
9. the base assembly according to claim 1 for magnetic stirring apparatus, it is characterised in that: the support base flange
(17) it is connected with output flange seat (24) below by bolt, and the annular protrusion of support base flange (17) bottom is embedding
Enter in the annular groove on output flange seat (24), and the inside of annular protrusion is equipped with the O-shaped rubber seal of third (18) and is used for
Seal output flange seat (24) and support base flange (17).
10. being used for the base assembly of magnetic stirring apparatus according to claim 1 or described in 9, it is characterised in that: the oil removal set
Flange (20) is bolted on the bottom of support base flange (17) and the upper edge of oil removal set flange (20) and is equipped with insertion support
4th O-shaped rubber seal (19) of seat flange (17) bottom is used to seal oil removal set flange (20) and support base flange (17)
Contact site；The inside of oil removal set flange (20) passes through PTFE oil sealing (22) and anti-wear sleeve (21) and output main shaft (4)
Between contact be connected, and the top of PTFE oil sealing (22) is equipped with insertion oil removal set flange (20) inner wall and anti-wear sleeve (21) outer wall
Between oil sealing withdrawal sleeve (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821273515.9U CN208771338U (en) | 2018-08-08 | 2018-08-08 | A kind of base assembly for magnetic stirring apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821273515.9U CN208771338U (en) | 2018-08-08 | 2018-08-08 | A kind of base assembly for magnetic stirring apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208771338U true CN208771338U (en) | 2019-04-23 |
Family
ID=66156148
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821273515.9U Active CN208771338U (en) | 2018-08-08 | 2018-08-08 | A kind of base assembly for magnetic stirring apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208771338U (en) |
-
2018
- 2018-08-08 CN CN201821273515.9U patent/CN208771338U/en active Active
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