CN210034316U - Contact type friction transmission assembly of stirring centrifugal machine - Google Patents
Contact type friction transmission assembly of stirring centrifugal machine Download PDFInfo
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- CN210034316U CN210034316U CN201920727201.XU CN201920727201U CN210034316U CN 210034316 U CN210034316 U CN 210034316U CN 201920727201 U CN201920727201 U CN 201920727201U CN 210034316 U CN210034316 U CN 210034316U
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- elastic pressing
- pressing ring
- autorotation
- rubber wheel
- centrifuge
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Abstract
A contact type friction transmission assembly of a stirring centrifuge comprises a revolution structure and a rotation structure; the revolution structure is arranged at the upper end of the main shaft of the stirring centrifuge and comprises a rotating arm arranged at the top end of the main shaft of the stirring centrifuge and a thin-wall bearing arranged on the rotating arm; the autorotation structure comprises an elastic pressing ring, an autorotation rubber wheel and a clamp which are arranged on a bearing seat flange of the stirring centrifuge, wherein the elastic pressing ring is fixed above the bearing seat flange through at least three reset springs and step screws, the autorotation rubber wheel is in extrusion type contact transmission connection with the outer side of the elastic pressing ring, and the clamp is embedded into the thin-wall bearing and is coaxially connected with the autorotation rubber wheel through a jackscrew. The utility model discloses adopt spring coupling between center bearing frame flange and the elasticity clamping ring, form certain compression space, play the key effect of equipment shock attenuation and noise reduction, let the wearing and tearing minimizing of rotation rubber tyer simultaneously, applicable large capacity and high rotational speed demand are fit for large batch production needs.
Description
Technical Field
The utility model relates to a centrifuge mixer's transmission technical field, especially a centrifuge mixer's contact friction drive assembly.
Background
In the stirring centrifuge in the prior art, most of transmission modes adopt gear transmission and belt transmission, and the technical problems of noise, shaking, large capacity and low rotating speed exist all the time.
In the existing stirring centrifuge, the precision of the gear required by gear transmission is very high, and meanwhile, the difficulty of installation is high, so that the processing cost and the processing difficulty are increased. In a stirring centrifuge, the rotation is easy to cause abrasion through belt transmission, and meanwhile, the mechanical shaking can be caused by V-belt transmission, so that the stability is not high; the transmission part has the defects of insufficient torque due to the multipurpose short shaft, and the problem of overhigh gravity center of the clamp due to the rotation causes overlarge load on a bearing.
SUMMERY OF THE UTILITY MODEL
In order to overcome the above disadvantages of the prior art, the present invention provides a contact type friction transmission assembly of a mixer-centrifuge using a friction transmission method.
The utility model provides a technical scheme that its technical problem adopted is: a contact friction drive assembly for a mixer centrifuge, wherein: the friction transmission assembly comprises a revolution structure and a rotation structure;
the revolution structure is arranged at the upper end of the main shaft of the stirring centrifuge and comprises a rotating arm arranged at the top end of the main shaft of the stirring centrifuge and a thin-wall bearing arranged on the rotating arm;
the autorotation structure comprises an elastic pressing ring, an autorotation rubber wheel and a clamp which are arranged on a bearing seat flange of the stirring centrifuge, wherein the elastic pressing ring is fixed above the bearing seat flange through at least three reset springs and step screws, the autorotation rubber wheel is in extrusion type contact transmission connection with the outer side of the elastic pressing ring, and the clamp is embedded into the thin-wall bearing and is coaxially connected with the autorotation rubber wheel through a jackscrew.
The bearing seat flange is arranged on a middle plate of the mixing centrifuge, a bearing assembly is arranged below the bearing seat flange, the spindle is fixed in the mixing centrifuge through the bearing assembly, the spindle is powered and driven by a motor, a transmission belt and a main transmission wheel of the mixing centrifuge, the spindle rotates to drive a rotating arm, the rotating arm is driven to a thin-wall bearing, and a clamp and a self-rotating rubber wheel are driven to revolve around the axis of the spindle.
In the revolution process of the rotation rubber wheel, due to the extrusion type contact transmission with the elastic pressing ring, the rotation rubber wheel rotates around the axis of the rotation rubber wheel, meanwhile, the clamp is coaxially connected with the rotation rubber wheel through a jackscrew, and the rotation rubber wheel rotates to drive the clamp and the material tank on the clamp to rotate.
As a further improvement of the utility model: the outer side of the elastic pressing ring is provided with an inclined plane, a friction guide rail is arranged on the inclined plane, the friction guide rail is in friction transmission with the outer ring of the autorotation rubber wheel in a matched mode, and the bottom surface of the elastic pressing ring is parallel to the top surface of the bearing seat flange and is reserved with a compression space. The friction force through rotation rubber tyer and friction guide rail realizes the rotation, can effectively reduce the loss of rotation rubber tyer, has avoided both to produce rigid connection simultaneously.
The outer side surface of the elastic pressing ring is designed in an inclined mode, so that the self-rotating rubber wheel is in an inclined state, meanwhile, the clamp is installed in an embedded mode, the center of gravity can be effectively lowered, the load of the thin-wall bearing is effectively reduced, and meanwhile, larger centrifugal force and stable safety performance are obtained.
As a further improvement of the utility model: the upper surface of the bearing seat flange is provided with at least three fixing grooves equally divided by the axis circumference, the elastic pressing ring is provided with corresponding step fixing holes corresponding to the fixing grooves, step screws penetrate through the fixing holes to fix the elastic pressing ring on the bearing seat flange, and the reset spring is arranged between the fixing holes and the fixing grooves, so that the elastic pressing ring and the bearing seat flange keep certain elastic performance, vibration generated by rotation, friction and transmission can be offset, and the vibration reduction performance and the noise reduction performance of equipment are improved.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses an rotation structure adopts contact friction drive to realize the rotation, reduces the loss of rotation rubber tyer by a wide margin, has avoided both to produce rigid connection simultaneously, and anchor clamps adopt slope design and embedded mounting means, make the focus reduce, alleviate thin wall bearing's load.
The utility model discloses adopt spring coupling between center bearing frame flange and the elasticity clamping ring, form certain compression space, play the key effect of equipment shock attenuation and noise reduction, let the wearing and tearing minimizing of rotation rubber tyer simultaneously, guaranteed that friction drive realizes steady rotation transmission, applicable large capacity and high rotational speed's demand is fit for large batch production needs.
Drawings
Fig. 1 is a schematic sectional view of the present invention.
Detailed Description
The invention will now be further described with reference to the accompanying drawings, in which:
referring to fig. 1, a contact type friction drive assembly of a mixer centrifuge, wherein: the friction transmission assembly comprises a revolution structure and a rotation structure;
the stirring centrifuge is characterized in that a middle plate for fixing a bearing seat flange 1 is arranged in the stirring centrifuge, a bearing assembly 2 is arranged below the bearing seat flange 1, a main shaft 3 is arranged in the bearing assembly 2, and the main shaft is driven by a motor of the stirring centrifuge sequentially through an output shaft, a transmission belt and a main transmission wheel.
The revolution structure is arranged at the upper end of the main shaft of the stirring centrifuge and comprises a rotating arm 4 arranged at the top end of the main shaft of the stirring centrifuge and a thin-wall bearing 5 arranged on the rotating arm 4;
the rotation structure comprises an elastic pressing ring 6, a rotation rubber wheel 7 and a clamp 8 which are arranged on a bearing seat flange 1 of the stirring centrifugal machine.
Elastic clamping ring 6 is fixed in the top of bearing frame flange 1 through four reset spring 9 and step screw, the upper surface of bearing frame flange is equipped with four fixed slots with the equal divide of axle center circumference, the elastic clamping ring corresponds the fixed slot and is equipped with the step fixed orifices that corresponds, the step screw passes the fixed orifices and fixes elastic clamping ring 6 on bearing frame flange 1, reset spring locates between fixed orifices and the fixed slot, makes elastic clamping ring 6 and bearing frame flange 1 keep certain elasticity performance, the top surface of elastic clamping ring bottom surface and bearing frame flange is parallel and is reserved there is the compression space.
The rotation rubber wheel 7 is in extrusion type contact transmission connection with the outer side of the elastic pressing ring 6, an inclined plane is arranged on the outer side of the elastic pressing ring, a friction guide rail is arranged on the inclined plane, the friction guide rail is in friction transmission with the outer ring of the rotation rubber wheel in a matched mode, the outer side face of the elastic pressing ring is designed in an inclined mode, the rotation rubber wheel is in an inclined state, and rotation is achieved through friction force of the rotation rubber wheel and the friction guide rail. The fixture is embedded into the thin-wall bearing and is coaxially connected with the self-rotating rubber wheel through a jackscrew, and a material tank is arranged on the fixture.
The spindle is powered by a motor, a transmission belt and a main transmission wheel, the spindle rotates to drive a rotating arm, the rotating arm is transmitted to a thin-wall bearing, and the clamp and the self-rotating rubber wheel are driven to revolve around the axis of the spindle.
In the revolution process of the rotation rubber wheel, due to the extrusion type contact transmission with the elastic pressing ring, the rotation rubber wheel and the clamp rotate around the axis of the rotation rubber wheel and the clamp, and the material tank on the clamp is driven to rotate.
In conclusion, after the ordinary skilled in the art reads the document of the present invention, according to the present invention, the technical solution and technical concept of the present invention do not need creative mental labor to make other various corresponding transformation schemes, which all belong to the protection scope of the present invention.
Claims (3)
1. A contact type friction transmission assembly of a stirring centrifuge is characterized in that: the friction transmission assembly comprises a revolution structure and a rotation structure;
the revolution structure is arranged at the upper end of the main shaft of the stirring centrifuge and comprises a rotating arm arranged at the top end of the main shaft of the stirring centrifuge and a thin-wall bearing arranged on the rotating arm;
the autorotation structure comprises an elastic pressing ring, an autorotation rubber wheel and a clamp which are arranged on a bearing seat flange of the stirring centrifuge, wherein the elastic pressing ring is fixed above the bearing seat flange through at least three reset springs and step screws, the autorotation rubber wheel is in extrusion type contact transmission connection with the outer side of the elastic pressing ring, and the clamp is embedded into the thin-wall bearing and is coaxially connected with the autorotation rubber wheel through a jackscrew.
2. The contact friction drive assembly of a mixer centrifuge of claim 1, wherein: the outer side of the elastic pressing ring is provided with an inclined plane, a friction guide rail is arranged on the inclined plane, the friction guide rail is in friction transmission with the outer ring of the autorotation rubber wheel in a matched mode, and the bottom surface of the elastic pressing ring is parallel to the top surface of the bearing seat flange and is reserved with a compression space.
3. The contact friction drive assembly of a mixer centrifuge of claim 1, wherein: the upper surface of the bearing seat flange is provided with at least three fixing grooves equally divided by the circumference of the axis, the elastic pressing ring is provided with corresponding step fixing holes corresponding to the fixing grooves, step screws penetrate through the fixing holes to fix the elastic pressing ring on the bearing seat flange, and the reset springs are arranged between the fixing holes and the fixing grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920727201.XU CN210034316U (en) | 2019-05-21 | 2019-05-21 | Contact type friction transmission assembly of stirring centrifugal machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920727201.XU CN210034316U (en) | 2019-05-21 | 2019-05-21 | Contact type friction transmission assembly of stirring centrifugal machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210034316U true CN210034316U (en) | 2020-02-07 |
Family
ID=69366623
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920727201.XU Active CN210034316U (en) | 2019-05-21 | 2019-05-21 | Contact type friction transmission assembly of stirring centrifugal machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210034316U (en) |
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2019
- 2019-05-21 CN CN201920727201.XU patent/CN210034316U/en active Active
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