CN209997806U - contact type friction stirring centrifugal machine - Google Patents
contact type friction stirring centrifugal machine Download PDFInfo
- Publication number
- CN209997806U CN209997806U CN201920727211.3U CN201920727211U CN209997806U CN 209997806 U CN209997806 U CN 209997806U CN 201920727211 U CN201920727211 U CN 201920727211U CN 209997806 U CN209997806 U CN 209997806U
- Authority
- CN
- China
- Prior art keywords
- centrifuge
- main shaft
- friction
- guide rail
- rotation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Centrifugal Separators (AREA)
Abstract
contact friction stirring centrifuge, including the centrifuge main part, still include the main shaft, the bearing frame flange, the friction guide rail, the rocking arm, anchor clamps, the rotation rubber tyer the utility model discloses a rotation rubber tyer and friction guide rail contact extrusion friction, make the rotation rubber tyer rotation, steady rotation transmission has been realized, more safe and stable and high-speed operation than traditional stirring centrifuge, the noise reduces, the technological problem of large capacity low-speed among the solution prior art, traditional centrifuge's transmission structure has been overturned, the fault-tolerant rate is higher, provide through reset spring between bearing frame flange and the friction guide rail and decide compression space, avoid both to produce rigid connection, elastic connection between rotation rubber tyer and the friction guide rail plays crucial effect to the shock attenuation of equipment and falling the noise, reduce the loss of rotation rubber tyer simultaneously.
Description
Technical Field
The invention relates to the technical field of stirring of centrifuges, in particular to an contact type friction stirring centrifuge.
Background
A stirring centrifuge in the prior art mostly adopts gear transmission and belt transmission, and has the technical problems of noise, shaking, large capacity and low rotating speed.
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.
Disclosure of Invention
To overcome the above-mentioned disadvantages of the prior art, it is an object of the present invention to provide contact friction stir centrifuges that employ friction drives.
The technical scheme adopted by the invention for solving the technical problems is that contact type friction stirring centrifuges comprise a centrifuge main body, and further comprise:
the main shaft is matched with a bearing of the centrifuge main body, the bottom of the main shaft is in transmission connection with a motor on the motor base through a main transmission wheel, and the main shaft is further provided with a locking nut for tightening the main shaft.
The bearing seat flange is arranged at the middle upper part of the main shaft and used for fixing the main shaft on the middle plate of the centrifuge main body and is connected with the main shaft through a bearing, so that the verticality and the concentricity of the main shaft are ensured, and errors caused by the radial direction and the axial direction are avoided. Meanwhile, the top end of the main shaft is limited by a step, and the lower end of the main shaft is limited by a locking nut, so that the axial tightness fit of the main shaft is optimized.
Friction guide rail, locate the upper portion of bearing frame flange, through reset spring and step screw elastic connection on the bearing frame flange, make friction guide rail have fixed range's flexible, when rotation rubber tyer extrusion friction guide rail, the extrusion force can offset part through reset spring's elasticity, except guaranteeing the frictional force between rotation rubber tyer and the friction guide rail, still avoided both to produce rigid connection, the flexible of friction guide rail is the key of equipment shock attenuation and noise reduction when having guaranteed that the rotation rubber tyer passes through frictional force to realize the rotation, the wearing and tearing of rotation rubber tyer also can reach the minimizing.
The rotating arm is arranged at the top end of the main shaft, is in transition fit with the main shaft and is in transmission connection with the main shaft;
the clamp is obliquely arranged, the thin-wall bearing is arranged on the outer side of the clamp and is connected with the rotating arm through the thin-wall bearing, the clamp is arranged on the thin-wall bearing in an embedded mode, the gravity center of the embedded clamp is lowered, the load of the thin-wall bearing is reduced, and meanwhile larger centrifugal force and stable safety performance are obtained.
And the autorotation rubber wheel is arranged at the bottom of the clamp, the outer ring is provided with a friction rubber piece which is in contact with the friction guide rail and is in friction transmission, and the clamp is connected with the autorotation rubber wheel through a jackscrew.
The rotation of the main shaft drives the rotating arm to rotate and transmit the rotating arm to the thin-wall bearing, the thin-wall bearing drives the clamp and the rotation rubber wheel to revolve around the main shaft, and the rotation rubber wheel is fixedly connected with the clamp through a jackscrew and performs contact friction with the friction guide rail in the revolution process to generate rotation so as to drive the clamp and the material tank arranged on the clamp to perform rotation.
The improvement of comprises that a motor base and a motor arranged on the motor base are arranged in the centrifuge main body, an output shaft of the motor drives a belt pulley to rotate, the belt pulley is in transmission connection with a main transmission wheel through an A-type belt, and the output shaft of the motor rotates and is sequentially transmitted to the belt pulley, the A-type belt, the main transmission wheel, a main shaft, a rotating arm and a thin-wall bearing.
As a further improvement of the invention at the pulley has a diameter less than the diameter of the primary drive wheel,
according to a further improvement , the diameter of the self-rotating rubber wheel is equal to the circumference of the friction guide rail.
The transmission ratio of the motor output shaft to the main transmission wheel shaft is 3:1, and the ratio of revolution to rotation is 1:1, so that the output torque of the motor is maximized, and the optimal stirring effect is met.
According to the improvement of the invention in step , the centrifuge main body further comprises a PLC control box and a control touch screen, the PLC control box is arranged at the bottom of the centrifuge main body and is electrically connected with the motor, and the control touch screen is fixed on the top inclined plane of the centrifuge main body and is in communication connection with the PLC control box through a flat cable.
According to a further improvement , the centrifuge body further comprises a heat dissipation plate and a visible window, the heat dissipation plate is arranged at the rear part of the centrifuge body, and the visible window is arranged at the top part of the centrifuge body.
Compared with the prior art, the invention has the beneficial effects that:
the invention enables the rotation rubber wheel to rotate through the contact type extrusion friction of the rotation rubber wheel and the friction guide rail, realizes stable rotation transmission, is safer, more stable and higher in high-speed operation than the traditional stirring centrifuge, reduces noise, solves the technical problem of high capacity and low rotating speed in the prior art, overturns the transmission structure of the traditional centrifuge, has higher fault-tolerant rate, is suitable for the requirements of high capacity and high rotating speed, and meets the requirement of mass production.
The main shaft of the invention optimizes the structure of the main shaft by steps through the bearing seat flange, ensures the verticality and the concentricity of the main shaft and avoids errors caused by radial and axial directions.
According to the invention, fixed compression space is provided between the bearing seat flange and the friction guide rail through the return spring, so that the bearing seat flange and the friction guide rail are prevented from generating rigid connection, the elastic connection between the self-rotating rubber wheel and the friction guide rail plays a key role in damping and noise reduction of equipment, and the loss of the self-rotating rubber wheel is reduced.
The invention adopts the embedded clamp and the friction guide rail to realize autorotation, and reduces the center of the clamp, thereby obtaining larger centrifugal force and stable safety performance.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Detailed Description
The invention will now be further described with reference to the accompanying drawings, which illustrate and describe embodiments:
referring to fig. 1, a contact friction stir centrifuge includes a centrifuge body including:
the device comprises a shell 1, wherein the rear part of the shell is hinged with a box cover 2 through a heavy hinge, and the top of the box cover is provided with a visible window;
the motor 3 is arranged on the machine shell 1 through a motor base 4, and an output shaft of the motor 3 is sequentially connected with a belt pulley, an A-type belt and a main transmission wheel 5;
the bearing seat flange 6 is arranged on the middle plate of the centrifuge main body, and a bearing 7 is arranged below the bearing seat flange and used for fixing a main shaft 8;
the main shaft 8 is matched with the bearing, the bottom of the main shaft is in transmission connection with the main transmission wheel 5, and the main shaft is also provided with a locking nut for tightening the main shaft;
the rotating arm 9 is arranged at the top end of the main shaft 8, is in transition fit with the main shaft and is in transmission connection with the main shaft;
the friction guide rail 10 is arranged at the upper part of the bearing seat flange 6 and is elastically connected to the bearing seat flange through a reset spring 101 and a step screw, specifically, the upper surface of the bearing seat flange is provided with four positioning grooves, the lower surface of the friction guide rail on the upper plane of the bearing seat flange is correspondingly provided with four step positioning holes, the step screw fixes the friction guide rail on the bearing seat flange through the step positioning holes, and meanwhile, the reset spring is added into the step positioning holes and the positioning grooves, so that the two surfaces of the bearing seat flange and the friction guide rail are parallel and separated, and a slit space with an elastic compression function is formed at ;
the clamp 11 is obliquely arranged, a thin-wall bearing is arranged on the outer side of the clamp and is connected with the rotating arm through the thin-wall bearing, and the clamp is installed on the thin-wall bearing in an embedded mode;
the self-rotating rubber wheel 12 is arranged at the bottom of the clamp 11, a friction rubber piece which is in contact with the friction guide rail 10 and is in friction transmission is arranged on the outer ring of the self-rotating rubber wheel 12, and the clamp 11 is connected with the self-rotating rubber wheel 12 through a jackscrew;
the PLC control box 13 is arranged at the bottom of the centrifuge body and is electrically connected with the motor;
and the control touch screen 14 is arranged on the top inclined plane of the centrifuge main body and is in communication connection with the PLC control box through a flat cable.
And the heat dissipation plate is arranged at the rear part of the centrifuge main body.
More specifically, the touch screen is controlled to be started, the driving controller can control the motor to rotate, the driving controller feeds back information to the PLC, and the touch screen can be set to be in forward rotation and reverse rotation at the same time, so that the revolution direction is clockwise or anticlockwise.
More specifically, the motor is rotationally driven to the spindle, the diameter of the belt pulley is smaller than that of the main driving wheel, the diameter of the autorotation rubber wheel is equal to the circumference of the friction guide rail, the transmission ratio of the output shaft of the motor to the shaft of the main driving wheel is 3:1, and the revolution-autorotation ratio is 1:1, so that the output torque of the motor is maximized and the optimal stirring effect is met.
Specifically, the rotation of the main shaft drives the rotating arm to rotate and transmit the rotating arm to the thin-wall bearing, the thin-wall bearing drives the fixture and the rotation rubber wheel to revolve around the main shaft, and the rotation rubber wheel is fixedly connected with the fixture through a jackscrew and rotates by performing contact friction with the friction guide rail in the revolution process to drive the fixture and the material tank arranged on the fixture to rotate.
More specifically, through bearing and main shaft connection, guarantee the straightness that hangs down and the concentricity of main shaft, avoid the error that radial and axial brought, the main shaft top is spacing utilizing the step simultaneously, and the lower extreme is spacing utilizing lock nut, has optimized the axial elasticity cooperation of main shaft.
More specifically, when the rotation rubber tyer extrudees the friction guide, parts can be offset through reset spring's elasticity to the extrusion force, except guaranteeing the frictional force between rotation rubber tyer and the friction guide, have still avoided both to produce rigid connection, have guaranteed that the rotation rubber tyer passes through frictional force and realizes the flexible key of equipment shock attenuation and noise reduction of friction guide when the rotation rubber tyer is the rotation, and the wearing and tearing of rotation rubber tyer also can reach the minimizing.
More specifically, the clamp is embedded in the thin-arm bearing, and simultaneously, due to the inclined design, the gravity center is lowered, the load of the thin-arm bearing is reduced, and simultaneously, larger centrifugal force and stable safety performance are obtained.
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 (6)
- The contact type friction stirring centrifuge comprises a centrifuge main body and is characterized by also comprising a main shaft, a main shaft and a motor, wherein the main shaft is matched and installed with a bearing of the centrifuge main body, and the bottom of the main shaft is in transmission connection with the motor on a motor base through a main transmission wheel;the bearing seat flange is arranged at the middle upper part of the main shaft and used for fixing the main shaft on a middle plate of the centrifuge main body;the friction guide rail is arranged at the upper part of the bearing seat flange and is elastically connected to the bearing seat flange through a return spring and a step screw;the rotating arm is arranged at the top end of the main shaft, is in transition fit with the main shaft and is in transmission connection with the main shaft;the clamp is obliquely arranged, a thin-wall bearing is arranged on the outer side of the clamp and is connected with the rotating arm through the thin-wall bearing;and the autorotation rubber wheel is arranged at the bottom of the clamp, the outer ring is provided with a friction rubber piece which is in contact with the friction guide rail and is in friction transmission, and the clamp is connected with the autorotation rubber wheel through a jackscrew.
- 2. The contact friction stir centrifuge as defined in claim 1, wherein the centrifuge body has a motor base and a motor mounted thereon, an output shaft of the motor driving a pulley to rotate, the pulley being drivingly connected to the main drive wheel via an A-belt.
- 3. The contact friction stir centrifuge of claim 2, wherein the pulley has a diameter less than a diameter of the primary drive wheel.
- 4. The contact friction stir centrifuge as defined in claim 1, wherein the diameter of the spinning rubber wheel is equal to the circumference of the friction guide.
- 5. The contact friction stir centrifuge of claim 1, wherein the centrifuge body further comprises a PLC control box and a control touch screen, the PLC control box is disposed at the bottom of the centrifuge body and electrically connected to the motor, and the control touch screen is fixed to the top slope of the centrifuge body and is in communication connection with the PLC control box via a flat cable.
- 6. The contact friction stir centrifuge of claim 1, wherein the centrifuge body further comprises a heat sink disposed at the back of the centrifuge body and a viewing window disposed at the top of the centrifuge body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920727211.3U CN209997806U (en) | 2019-05-21 | 2019-05-21 | contact type friction stirring centrifugal machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920727211.3U CN209997806U (en) | 2019-05-21 | 2019-05-21 | contact type friction stirring centrifugal machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209997806U true CN209997806U (en) | 2020-01-31 |
Family
ID=69307349
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920727211.3U Active CN209997806U (en) | 2019-05-21 | 2019-05-21 | contact type friction stirring centrifugal machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209997806U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110076009A (en) * | 2019-05-21 | 2019-08-02 | 广州施诺斯信息技术有限公司 | A kind of contact-type frictional stirring centrifuge |
-
2019
- 2019-05-21 CN CN201920727211.3U patent/CN209997806U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110076009A (en) * | 2019-05-21 | 2019-08-02 | 广州施诺斯信息技术有限公司 | A kind of contact-type frictional stirring centrifuge |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1068418C (en) | Speed reducer | |
| CN209997806U (en) | contact type friction stirring centrifugal machine | |
| CN1459530A (en) | Washer with structure of sucking driving portion vibration | |
| CN1944774A (en) | Full automatic speed reducing clutch and the washing machien therewith and washing method | |
| CN1020940C (en) | Apparatus for converting extrinsic useless oscillation motions into useful torque | |
| CN106622697A (en) | Ultrasonic cleaning machine for cleaning disc | |
| CN212492748U (en) | Novel gear transmission assembly of stirring defoaming machine | |
| KR20000006731A (en) | Circle Duct Cleaning Robot | |
| CN210034316U (en) | Contact type friction transmission assembly of stirring centrifugal machine | |
| CN2738458Y (en) | Commutating hub of electric machine | |
| CN110076009A (en) | A kind of contact-type frictional stirring centrifuge | |
| CN213330232U (en) | Rotary driving device | |
| CN209846705U (en) | Rotatory carousel of track upper portion friction drive | |
| CN210131724U (en) | Transmission device for reducing vibration of centrifugal machine | |
| KR100486942B1 (en) | Device for stirring and defoaming liquid | |
| CN204834189U (en) | Cradle type cable -former and cradle device thereof | |
| CN106363517B (en) | A kind of waxing mechanism of stainless steel tableware automatic polishing machine | |
| KR100509203B1 (en) | Device for stirring and defoaming liquid | |
| CN213791331U (en) | Throw convenient carbon element processing of material with mixing and pinching device | |
| CN1625022A (en) | Driving device of electric machine spindle and auxiliary axle coaxis | |
| CN215071989U (en) | Low-speed output rotating motor | |
| CN218063321U (en) | Vertical speed reduction device convenient to installation | |
| CN218285052U (en) | Matching type differential cross shaft machining device | |
| CN218702236U (en) | Transmission mechanism of digital printing machine | |
| CN220614577U (en) | Mixing equipment for plastic particle processing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |