CN207680814U - A kind of centrifuge rotation and lifting structure - Google Patents
A kind of centrifuge rotation and lifting structure Download PDFInfo
- Publication number
- CN207680814U CN207680814U CN201721423830.0U CN201721423830U CN207680814U CN 207680814 U CN207680814 U CN 207680814U CN 201721423830 U CN201721423830 U CN 201721423830U CN 207680814 U CN207680814 U CN 207680814U
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- main shaft
- pulling bag
- keyway
- rotation
- bearing holder
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Abstract
A kind of centrifuge rotation and lifting structure, including:Pulling bag axis, main shaft, bearing holder component, follower, cylinder, cylinder are fixedly connected with pulling bag axis bottom end, and lifting drive is directly transferred to pulling bag axis, avoid the run-off the straight in lifting process of pulling bag axis, reduce power loss；By the way that the positioning accuracy that keyway arrangements improve rotation and lifting structure is arranged in the outside of pulling bag axis, main shaft, prevents structure in lifting rotation action process from derailing, improve centrifugally operated safety, high efficiency.
Description
Technical field
The utility model is related to centrifuge technique field, specially a kind of centrifuge rotation and lifting structure.
Background technology
Currently, centrifuge is widely used in the industries such as food, chemical industry, pharmacy.With food, pharmacy, chemical industry
Fast development, it is desirable that more refine.Wherein, material is entered by feed inlet in the inner cavity that rotary drum surrounds, rotary drum high-speed rotation
Material suspension is centrifuged in inside filter screen in the process, and liquid is discharged by the filter hole on rotary drum, remaining solid
Filter cake is formed in drum inner wall and the cake solids material scraped by the lower general who has surrendered of pulling bag disk is discharged by rotary drum lower part, wherein whole
Needing rotational structure to drive during a, centrifugation is completed in the high speed rotation of rotary drum and lifting structure drives the lifting of pulling bag disk
Material unloading is completed, the lifting of pulling bag axis in the prior art is passed power by couple axle often by external power-equipment
It is defeated by the elevating movement that pulling bag axis realizes pulling bag axis, due to being in have certain angle between couple axle and pulling bag axis, so causing to draw
Bag axis inclined lift, is easily contacted inside pulling bag disk during pulling bag axis inclined lift with corner angle, so pulling bag disk interior contact
Space, pulling bag axis is yielding, lifts track inclination.
Utility model content
In order to solve the above-mentioned technical problem, the utility model proposes a kind of centrifuge rotation and lifting structures, including：
Pulling bag axis, main shaft, bearing holder component, follower, cylinder, cylinder are fixedly connected with pulling bag axis bottom end, directly pass lifting drive
It is defeated by pulling bag axis, avoids the run-off the straight in lifting process of pulling bag axis, reduces power loss；By pulling bag axis, main shaft it is outer
The positioning accuracy that keyway arrangements improve rotation and lifting structure is arranged in side, prevents structure in lifting rotation action process from derailing, carries
The safety of high centrifugally operated.
A kind of centrifuge rotation and lifting structure, including：Pulling bag axis 1, main shaft 2, bearing holder component 3, follower 4, cylinder
5；Pulling bag axis 1, which is located in the centre bore of main shaft 2, not to be contacted with 2 inner wall of main shaft and its top is equipped with and the fixed screw thread of pulling bag disk
The lower end in hole, pulling bag axis 1 is fixedly connected with the power output end of cylinder 5；2 outside of main shaft is cased with bearing holder component 3, bearing support part
Bearing holder component upper cover 31, bearing holder component lower cover 32 are respectively equipped at the upper and lower port of part 3, it is empty in 3 inside of bearing holder component
Between the lower section of bearing holder component upper cover 31,32 top of bearing holder component lower cover be equipped with rolling bearing 6；The outer ring of rolling bearing 6
Outside is fixedly connected with the inner wall of bearing holder component 3, and the inner ring of rolling bearing 6 is fixedly connected with main shaft 2；Follower 4 and main shaft
2 lower ends rigidly fix connection and with the power output wheel of external motor by belt connect to drive the rotation of main shaft 2
Drive bowl rotation.
The centrifuge is pushed pulling bag axis 1 to move up and down, is avoided pulling bag axis in rotation and lifting structure by cylinder 5
1 run-off the straight in lifting process improves pulling bag axis 1 simultaneously as cylinder 5 is directly passed to pulling bag axis 1 by thrust is lifted
Power loss is reduced while lifting sensitivity.
Preferably, centrifuge rotation and lifting structure, between 1 outer wall of 2 center bore inner wall of main shaft and pulling bag axis most
Small gap is 0.35mm~0.51mm.
Preferably, the side of centrifuge rotation and lifting structure, the top tapered section of the pulling bag axis 1 is equipped with indent
Taper key slot 11, the respective side of pulling bag center hole is equipped with the hollow keyway of taper corresponding with taper key slot 11, taper key
Embedded flat key structure between the hollow keyway of taper in slot 11 and the disk that undercuts.
By the way that taper key slot 11 is arranged in the tapered section of pulling bag axis 1,1 upper end of enhancing pulling bag axis and the connection of pulling bag disk are strong
Degree, while taper key slot 11 also acts as the effect of limit, avoids relatively rotating between pulling bag disk and pulling bag axis 1.
Preferably, centrifuge rotation and lifting structure, 1 upper end of pulling bag axis, 1/4~1/3 extension position is equipped with and taper
The equidirectional vertical limit keyway 12 of 11 ipsilateral of keyway, 2 inside of main shaft are equipped with a fixed length with 12 corresponding position of limit keyway
The hollow hole keyway of the vertical direction of the degree and length both ends of hollow hole keyway are not connected to 2 length both ends of main shaft is same flat
The thickness direction of bond structure is respectively embedded into the hollow hole keyway on limit keyway 12 and 2 inner wall of main shaft.
By the hollow hole keyway that vertical limit keyway 12,2 inside of main shaft are arranged on 1 outer wall of pulling bag axis, it is ensured that draw
Bag axis 1 makes pulling bag axis 1 that can only be moved up and down in the vertical direction relative to main shaft 2 and keeps away under the guiding role of hollow hole key
Exempt from pulling bag axis 1 to twist movement；The upper and lower end parts of another aspect hollow hole keyway have position-limiting action, pulling bag to pulling bag axis 1
1 liftable length of axis is equal to hollow hole key length, ensures 1 elevating movement in 2 centre bore inner cavity of main shaft always of pulling bag axis
Without departing from main shaft 2.
Preferably, centrifuge rotation and lifting structure is angularly equipped with multigroup taper key slot 11, limit along central axial
Position keyway 12, correspondingly, the corresponding position of 2 inside of main shaft is equipped with the hollow hole keyway of quantity identical as limit keyway 12.More
Under the action of group keyway combination, corresponding fixation, position-limiting action are further increased.
Preferably, the outside of centrifuge rotation and lifting structure, the upper end tapered section of the main shaft 2 is equipped with indent
Taper key slot 21 is used to the centre bore at rotary drum bottom preferably position and fix.
Preferably, in centrifuge rotation and lifting structure, the lower end of the main shaft 2 and the contact range of follower 4
Equipped with the equidirectional vertical keyway 22 of 21 homonymy of upper end taper key slot, it is fixed stably between main shaft 2 and follower 4 for reinforcing
It is qualitative, it prevents from relatively rotating between follower 4 and main shaft 2, avoids the generation of slipping phenomenon.
Description of the drawings：
Specific implementation mode is further described below in conjunction with the accompanying drawings, wherein：
Fig. 1 be the utility model is related to centrifuge rotation and lifting structural schematic diagram；
Primary structure number explanation
Specific implementation mode
Following specific implementation mode will further illustrate the utility model in conjunction with above-mentioned attached drawing.
Case 1 is embodied：
A kind of centrifuge rotation and lifting structure, including：Pulling bag axis 1, main shaft 2, bearing holder component 3, follower 4, cylinder
5；Pulling bag axis 1, which is located in the centre bore of main shaft 2, not to be contacted with 2 inner wall of main shaft and its top is equipped with and the fixed screw thread of pulling bag disk
The lower end in hole, pulling bag axis 1 is fixedly connected with the power output end of cylinder 5；2 outside of main shaft is cased with bearing holder component 3, bearing support part
Bearing holder component upper cover 31, bearing holder component lower cover 32 are respectively equipped at the upper and lower port of part 3, it is empty in 3 inside of bearing holder component
Between the lower section of bearing holder component upper cover 31,32 top of bearing holder component lower cover be equipped with rolling bearing 6；The outer ring of rolling bearing 6
Outside is fixedly connected with the inner wall of bearing holder component 3, and the inner ring of rolling bearing 6 is fixedly connected with main shaft 2；Follower 4 and main shaft
2 lower ends rigidly fix connection and with the power output wheel of external motor by belt connect to drive the rotation of main shaft 2
It is 0.4mm to drive bowl rotation, the minimum aperture between 1 outer wall of 2 center bore inner wall of main shaft and pulling bag axis.
Wherein, the side of the top tapered section of the pulling bag axis 1 sets the taper key slot 11 and two indents there are two indent
Taper key slot 11 line pass through pulling bag axis 1 central axis, the respective side of pulling bag center hole is equipped with and taper key slot
The 11 corresponding hollow keyways of taper, embedded flat key structure between the hollow keyway of taper in taper key slot 11 and the disk that undercuts；Pulling bag axis 1
1/3 extension position of upper end is equipped with and equidirectional two vertical limit keyways 12 of 11 ipsilateral of taper key slot, 2 inside of main shaft
The hollow hole keyway of the vertical direction of certain length and the length both ends of hollow hole keyway are equipped with 12 corresponding position of limit keyway
It is not connected to 2 length both ends of main shaft, the thickness direction of same flat key structure is respectively embedded into limit keyway 12 and 2 inner wall of main shaft
On hollow hole keyway in；The taper key slot 21 that the outside of the upper end tapered section of the main shaft 2 is equipped with indent is used for and rotary drum bottom
Centre bore preferably position and fixed；The lower end of the main shaft 2 is equipped with and upper end cone in the contact range of follower 4
Spend the equidirectional vertical keyway 22 of 21 homonymy of keyway, for reinforcing the stability maintenance between main shaft 2 and follower 4, prevent by
It relatively rotates between driving wheel 4 and main shaft 2, the torque of motor is passed into main shaft 2.
Lifting drive is directly transferred to pulling bag axis 1 using cylinder 5 in the utility model, pulling bag axis 1 is avoided to lift
Run-off the straight in journey reduces power loss, and rotation and lifting knot is improved by the way that keyway arrangements are arranged in the outside of pulling bag axis 1, main shaft 2
The positioning accuracy of structure prevents structure in lifting rotation action process from derailing, improves the safety of centrifugally operated.
Case 2 is embodied：
A kind of centrifuge rotation and lifting structure, including：Pulling bag axis 1, main shaft 2, bearing holder component 3, follower 4, cylinder
5；Pulling bag axis 1, which is located in the centre bore of main shaft 2, not to be contacted with 2 inner wall of main shaft and its top is equipped with and the fixed screw thread of pulling bag disk
The lower end in hole, pulling bag axis 1 is fixedly connected with the power output end of cylinder 5；2 outside of main shaft is cased with bearing holder component 3, bearing support part
Bearing holder component upper cover 31, bearing holder component lower cover 32 are respectively equipped at the upper and lower port of part 3, it is empty in 3 inside of bearing holder component
Between the lower section of bearing holder component upper cover 31,32 top of bearing holder component lower cover be equipped with rolling bearing 6；The outer ring of rolling bearing 6
Outside is fixedly connected with the inner wall of bearing holder component 3, and the inner ring of rolling bearing 6 is fixedly connected with main shaft 2；Follower 4 and main shaft
2 lower ends rigidly fix connection and with the power output wheel of external motor by belt connect to drive the rotation of main shaft 2
It is 0.5mm to drive bowl rotation, the minimum aperture between 1 outer wall of 2 center bore inner wall of main shaft and pulling bag axis.
Wherein, the side of the top tapered section of the pulling bag axis 1 sets the taper key slot 11 there are one indent, pulling bag disk center
The respective side in hole is equipped with the hollow keyway of taper corresponding with taper key slot 11, and taper key slot 11 and taper in the disk that undercuts are hollow
Embedded flat key structure between keyway；1 upper end of pulling bag axis, 1/4 extension position is equipped with equidirectional one with 11 ipsilateral of taper key slot
Vertical limit keyway 12,2 inside of main shaft are equipped with the hollow hole of the vertical direction of certain length with 12 corresponding position of limit keyway
The length both ends of keyway and hollow hole keyway are not connected to 2 length both ends of main shaft, the thickness direction difference of same flat key structure
In hollow hole keyway on embedded limit keyway 12 and 2 inner wall of main shaft；The outside of the upper end tapered section of the main shaft 2 is equipped with indent
Taper key slot 21 be used for and the centre bore at rotary drum bottom preferably position and fixed；The lower end of the main shaft 2 and follower 4
Contact range in be equipped with the equidirectional vertical keyway 22 of 21 homonymy of upper end taper key slot, for reinforcing main shaft 2 and follower 4
Between stability maintenance, prevent from relatively rotating between follower 4 and main shaft 2, the torque of motor passed into main shaft 2.
Lifting drive is directly transferred to pulling bag axis 1 using cylinder 5 in the utility model, pulling bag axis 1 is avoided to lift
Run-off the straight in journey reduces power loss, and rotation and lifting knot is improved by the way that keyway arrangements are arranged in the outside of pulling bag axis 1, main shaft 2
The positioning accuracy of structure prevents structure in lifting rotation action process from derailing, improves the safety of centrifugally operated.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But it should not be understood as limiting the scope of the patent of the utility model.It should be pointed out that for the common of this field
For technical staff, without departing from the concept of the premise utility, various modifications and improvements can be made, these all belong to
In the scope of protection of the utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (6)
1. a kind of centrifuge rotation and lifting structure, including：Pulling bag axis, main shaft, bearing holder component, follower；Pulling bag axle position in
It is not contacted with main shaft inner wall in the centre bore of main shaft and its top is equipped with and the fixed threaded hole of pulling bag disk；It is cased on the outside of main shaft
Bearing holder component is respectively equipped with bearing holder component upper cover, bearing holder component lower cover at the upper and lower port of bearing holder component, in bearing
It is equipped with rolling bearing below the bearing holder component upper cover of base member inner space, above bearing holder component lower cover；Rolling bearing
Outer ring on the outside of be fixedly connected with the inner wall of bearing holder component, the inner ring of rolling bearing is fixedly connected with main shaft；Follower and master
Axis lower end rigidly fixes connection and with the power output wheel of external motor by belt connect to drive the rotation of main shaft
Drive bowl rotation, it is characterised in that：Further include that the lower end of cylinder and pulling bag axis and the power output end of cylinder are fixed
Connection, the minimum aperture between spindle hole inner wall and pulling bag axis outer wall are 0.35mm~0.51mm.
2. centrifuge as described in claim 1 rotation and lifting structure, it is characterised in that:The top tapered section of the pulling bag axis
Side is equipped with the taper key slot of indent, and the respective side of pulling bag center hole is equipped with taper hollow key corresponding with taper key slot
Embedded flat key structure between the hollow keyway of taper in slot, taper key slot and the disk that undercuts.
3. centrifuge as claimed in claim 2 rotation and lifting structure, it is characterised in that:At 1/4~1/3 length of pulling bag axis upper end
Equipped with the equidirectional limit keyway moved towards vertically of taper key slot ipsilateral, on the inside of main shaft with limit keyway corresponding position and be equipped with
The hollow hole keyway of the vertical direction of the certain length and length both ends of hollow hole keyway are not connected to main axis length both ends, together
The thickness direction of one flat key structure is respectively embedded into the hollow hole keyway on limit keyway and main shaft inner wall.
4. the centrifuge rotation and lifting structure as described in any in Claims 2 or 3, it is characterised in that:Along central axial isogonism
Degree is equipped with multigroup taper key slot, limit keyway, correspondingly, the corresponding position on the inside of main shaft is equipped with quantity identical as limit keyway
Hollow hole keyway.
5. centrifuge as described in claim 1 rotation and lifting structure, it is characterised in that:Outside the upper end tapered section of the main shaft
The taper key slot that side is equipped with indent is used to position and fix with the centre bore at rotary drum bottom.
6. centrifuge as described in claim 1 rotation and lifting structure, it is characterised in that:The lower end of the main shaft and follower
It is equipped in contact range and is prevented between follower and main shaft with the equidirectional vertical keyway of upper end taper key slot homonymy, vertical keyway
It relatively rotates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721423830.0U CN207680814U (en) | 2017-10-31 | 2017-10-31 | A kind of centrifuge rotation and lifting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721423830.0U CN207680814U (en) | 2017-10-31 | 2017-10-31 | A kind of centrifuge rotation and lifting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207680814U true CN207680814U (en) | 2018-08-03 |
Family
ID=62989431
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721423830.0U Expired - Fee Related CN207680814U (en) | 2017-10-31 | 2017-10-31 | A kind of centrifuge rotation and lifting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207680814U (en) |
-
2017
- 2017-10-31 CN CN201721423830.0U patent/CN207680814U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180803 Termination date: 20181031 |
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| CF01 | Termination of patent right due to non-payment of annual fee |