CN114904664A - Vibration protection mechanism of centrifugal machine - Google Patents
Vibration protection mechanism of centrifugal machine Download PDFInfo
- Publication number
- CN114904664A CN114904664A CN202210432603.3A CN202210432603A CN114904664A CN 114904664 A CN114904664 A CN 114904664A CN 202210432603 A CN202210432603 A CN 202210432603A CN 114904664 A CN114904664 A CN 114904664A
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- casing
- supporting
- damping
- vibration
- centrifuge
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B9/00—Drives specially designed for centrifuges; Arrangement or disposition of transmission gearing; Suspending or balancing rotary bowls
- B04B9/12—Suspending rotary bowls ; Bearings; Packings for bearings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B15/00—Other accessories for centrifuges
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- Vibration Prevention Devices (AREA)
Abstract
The application relates to the field of centrifuges, and discloses a vibration protection mechanism of a centrifuge, which comprises a motor vibration reduction assembly, wherein the motor vibration reduction assembly comprises a vibration reduction seat arranged on a machine base, a plurality of vibration reduction columns arranged on the periphery of the vibration reduction seat and a vibration reduction rod for connecting the vibration reduction columns and the vibration reduction seat; the casing supporting assembly comprises a supporting column arranged on the base, a supporting spring sleeved outside the supporting column, a supporting rubber sleeve fixedly sleeved on the top of the supporting spring, a connecting ring arranged on the supporting rubber sleeve, a connecting sheet fixedly connected to the connecting ring and a locking nut in threaded connection with the supporting column, the connecting sheet is fixedly connected with the centrifugal motor casing, and the locking nut is abutted against the connecting ring; the casing stabilizing assembly is arranged between two adjacent supporting columns and used for clamping the casing. This application has the vibration that produces in the reduction centrifuge work, carries out the effect protected to centrifuge.
Description
Technical Field
The application relates to the field of centrifuges, in particular to a vibration protection mechanism of a centrifuge.
Background
Centrifuges are machines that utilize components of a mixture of liquid and particles or with.
The centrifugal machine generally includes a base, a casing and a centrifugal motor, the casing is fixedly disposed on the base, a rotating shaft is rotatably disposed inside the casing, the centrifugal motor is disposed on one side of the casing, the centrifugal motor is fixedly disposed on the base, the rotating shaft extends downward out of the casing, and the centrifugal motor drives the rotating shaft to rotate through a belt.
In the process of implementing the application, the inventor finds that at least the following problems exist in the technology: in the process of centrifuge work, because centrifugal motor's violent rotation causes the vibration of centrifuge body easily, not only can produce a large amount of noises, but also can cause the damage to centrifuge's spare part, influences the normal use of centrifuge itself.
Disclosure of Invention
In order to reduce the vibration that produces in the centrifuge work, protect centrifuge, this application provides a centrifuge's vibration protection mechanism.
The application provides a vibration protection mechanism of centrifuge adopts following technical scheme:
a vibration protection mechanism of a centrifugal machine comprises a motor vibration reduction assembly, wherein the motor vibration reduction assembly comprises a vibration reduction seat arranged on a machine base, a plurality of vibration reduction columns arranged on the periphery of the vibration reduction seat and a vibration reduction rod for connecting the vibration reduction columns and the vibration reduction seat, a gap is reserved between the vibration reduction seat and the machine base, one end of the vibration reduction rod is hinged with the vibration reduction seat, and the other end of the vibration reduction rod is hinged with the vibration reduction column;
the supporting assembly comprises a supporting column arranged on the machine base, a supporting spring sleeved outside the supporting column, a supporting rubber sleeve fixedly sleeved on the top of the supporting spring, a connecting ring arranged on the supporting rubber sleeve, a connecting sheet fixedly connected to the connecting ring and a locking nut in threaded connection with the supporting column, wherein the supporting rubber sleeve is sleeved outside the supporting spring;
the casing stabilizing assembly is arranged between every two adjacent supporting columns and used for clamping the casing.
Through adopting above-mentioned technical scheme, install centrifugal motor on the damping seat, utilize the damping pole to connect the damping seat and the damping post of suspension, thereby reduce the vibration that centrifugal motor transmitted to the frame, pass through the connection piece setting with the casing again and on supporting the gum cover, through the vibration between isolated frame of supporting spring and the supporting gum cover, thereby reduce the vibration that the frame transmitted to the casing, play spacing effect on the horizontal direction to the casing through the cooperation of a plurality of support columns, thereby reduce the possibility that the casing body produced the vibration, finally, through the cooperation of motor damping subassembly and casing supporting component, reduce centrifugal force's vibration.
In addition, when the vibration amplitude of the shell is too large, the shell can be clamped tightly through the shell stabilizing assembly, so that the vibration of the shell is limited, and the effect of protecting the centrifugal machine is achieved.
Optionally, the assembly is stabilized to the casing includes fixed base plate, the setting that sets up on the frame, the stable cylinder that sets up on the base plate top, the setting is at the tight piece that supports on stabilizing the cylinder piston rod, stabilize cylinder piston rod along casing radial motion, it is the arc setting to support one side that the tight piece is close to the casing.
Through adopting above-mentioned technical scheme, when the casing takes place to vibrate by a wide margin, a plurality of stable cylinder synchronous working utilize stable cylinder drive to support the piece and contradict with the casing to press from both sides tightly the casing.
Optionally, the abutting piece comprises an abutting plate fixedly connected to the piston rod of the stabilizing cylinder and an abutting air cushion arranged on the surface of the abutting plate.
Through adopting above-mentioned technical scheme, utilize to support tight air cushion direct and casing contact, support tight air cushion and have certain buffering effect, can absorb the vibration when supporting the contact of tight air cushion and vibration casing, reduce to support the possibility that tight board and the casing direct contact of vibration lead to the casing to produce the damage.
Optionally, a plurality of bulges are arranged on the surface of the abutting air cushion, buffer columns are fixedly arranged between the inner walls of the bulges and the inner wall of one side, close to the abutting plate, of the abutting air cushion, and the buffer columns are made of flexible materials.
Through adopting above-mentioned technical scheme, when supporting tightly to the casing, utilize the protruding earlier and the casing between form the multiple spot contact, then along with supporting the increase of tight dynamics, support area of contact between tight air cushion and the casing and increase gradually to promote the tight effect of clamp to the casing gradually, play the effect of protection to the casing, utilize the cushion column to play the effect of support to the arch, make the arch have certain intensity, thereby realize supporting the effect that area of contact crescent between tight air cushion and the casing.
Optionally, a pressing sheet is arranged above the connecting ring, a downward flanging is arranged at the edge of the pressing sheet, and the locking nut abuts against the pressing sheet.
Through adopting above-mentioned technical scheme, utilize the compact heap increase lock nut to go-between active area, make the go-between atress more even, the turn-ups also plays spacing effect to the go-between simultaneously, further reduces the vibration of casing.
Optionally, a plurality of damping springs are fixedly arranged between the bottom of the damping seat and the base.
Through adopting above-mentioned technical scheme, utilize damping spring to play the effect of supporting to the damping seat, also can absorb centrifugal motor's vibration simultaneously.
Optionally, the centrifugal motor further comprises a vibration sensor and a controller, wherein the vibration sensor is installed on the casing, the controller is arranged on the base, the vibration sensor is electrically connected with the controller, and the controller is electrically connected with the centrifugal motor.
By adopting the technical scheme, the vibration amplitude of the shell is detected by the vibration sensor, and the controller controls the working rotating speed of the centrifugal motor according to the vibration amplitude, so that the shutdown protection effect is achieved on the centrifugal machine when the vibration amplitude is too large.
Optionally, the chassis stabilizing assembly is electrically connected to the controller.
Through adopting above-mentioned technical scheme, can be according to the work of the stable subassembly of vibration amplitude automatic control casing of casing, promote to the accurate regulation of clamping-force degree.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the centrifugal motor is arranged on the vibration damping seat, the vibration damping rod is used for connecting the suspended vibration damping seat and the vibration damping column, so that the vibration transmitted to the base by the centrifugal motor is reduced, the casing is arranged on the supporting rubber sleeve through the connecting sheet, the vibration between the base and the supporting rubber sleeve is isolated through the supporting spring, so that the vibration transmitted to the casing by the base is reduced, the supporting rubber sleeve is limited in the horizontal direction through the cooperation of a plurality of supporting columns, the possibility of vibration generation of the casing body is reduced, and finally, the vibration of the centrifugal force is reduced through the cooperation of the motor vibration damping assembly and the casing supporting assembly; in addition, when the vibration amplitude of the shell is too large, the shell can be clamped through the shell stabilizing assembly, so that the vibration of the shell is limited, and the effect of protecting the centrifugal machine is achieved;
2. the abutting air cushion is directly contacted with the shell, has a certain buffering effect, can absorb vibration when the abutting air cushion is contacted with the vibrating shell, and reduces the possibility of collision damage of the abutting plate and the vibrating shell caused by direct contact of the abutting plate and the vibrating shell;
3. when supporting tightly to the casing, utilize the protruding earlier and the casing between form the multiple spot contact, then along with supporting the increase of tight dynamics, support area of contact between tight air cushion and the casing and increase gradually to promote the tight effect of clamp to the casing gradually, play the effect of protection to the casing, utilize the buffering post to play the effect of support to the arch, make the buffering post have certain intensity, thereby realize supporting the effect of area of contact crescent between tight air cushion and the casing.
Drawings
Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.
Fig. 2 is an enlarged view of a point a in fig. 1.
Fig. 3 is a schematic diagram of a stable component structure of a housing according to an embodiment of the present application.
Fig. 4 is a schematic view of a structure of a bunt cushion in an embodiment of the present application.
Fig. 5 is a sectional view taken along line B-B in fig. 4.
Description of reference numerals:
01. a machine base; 02. a housing; 03. a centrifugal motor; 1. a motor vibration reduction assembly; 11. a vibration damping seat; 12. a damping post; 13. a damper rod; 14. a damping spring; 2. a housing support assembly; 21. a support pillar; 22. a support spring; 23. supporting the rubber sleeve; 24. a connecting ring; 25. connecting sheets; 26. locking the nut; 27. a compression sheet; 271. flanging; 3. a housing stabilizing assembly; 31. a substrate; 32. a stabilizing cylinder; 33. an abutting piece; 331. a propping plate; 332. tightly supporting the air cushion; 333. a protrusion; 334. a buffer column; 41. a vibration sensor; 42. and a controller.
Detailed Description
The present application is described in further detail below with reference to figures 1-5.
The embodiment of the application discloses centrifuge's vibration protection mechanism. Referring to fig. 1, a vibration protection mechanism of a centrifuge includes a motor vibration reduction assembly 1, a casing support assembly 2 and a casing stabilizing assembly 3, wherein the motor vibration reduction assembly 1, the casing support assembly 2 and the casing stabilizing assembly 3 are all arranged on a base 01, the support assemblies are arranged in a plurality along the circumferential direction of a casing 02, and the embodiment of the support assemblies is three. With the dress of centrifugal motor 03 on motor damping subassembly 1, casing 02 dress utilizes motor damping subassembly 1 to reduce the vibration that centrifugal motor 03 transmitted to frame 01 on three casing supporting component 2, and the vibration between frame 01 and the casing 02 is isolated to rethread casing supporting component 2 to reduce the vibration of casing 02, protect centrifuge.
Referring to fig. 1, a motor damping assembly 1 includes a damping seat 11, a damping post 12 and a damping rod 13, the damping seat 11 is horizontally disposed above a base 01, a centrifugal motor 03 is fixedly mounted on the damping seat 11, a motor shaft of the centrifugal motor 03 penetrates through the damping seat 11, a gap is left between the damping seat 11 and the base 01, and a plurality of damping springs 14 are fixedly disposed between the bottom of the damping seat 11 and the base 01. The vibration damping seat 11 is supported and absorbs vibration by the vibration damping spring 14.
Referring to fig. 1, the damping columns 12 are fixedly disposed on the base 01, the damping columns 12 are vertically disposed, and a plurality of damping columns 12 are uniformly disposed around the damping base 11. Damping rod 13 all is provided with one between every damping post 12 and damping seat 11, and damping rod 13 level sets up, and damping rod 13 is the hydraulic damping rod in this embodiment, and damping rod 13's one end is articulated with damping seat 11, and the other end is articulated with damping post 12, utilizes damping rod 13 to absorb the vibration of centrifugal motor 03 during operation.
Referring to fig. 1 and 2, each casing support assembly 2 includes a support column 21, a support spring 22, a support rubber sleeve 23, a connection ring 24, a connection sheet 25 and a lock nut 26, the support column 21 is vertically disposed on the base 01, the bottom end of the support column 21 is fixedly connected to the base 01, the support spring 22 is sleeved outside the support column 21, the support column 21 extends out of the support spring 22, and the bottom end of the support spring 22 is fixedly connected to the base 01. The supporting rubber sleeve 23 is sleeved outside the supporting column 21, and the supporting rubber sleeve 23 is fixedly connected with the top end of the supporting spring 22.
Referring to fig. 2, the connection ring 24 is made of rubber, the connection ring 24 is sleeved on the support column 21, the connection sheet 25 is fixedly connected to the connection ring 24, and the connection sheet 25 is fixedly connected to the outer wall of the housing 02. The lock nut 26 is screwed on the support column 21, and the lock nut 26 is tightened so that the lock nut 26 abuts against the connection ring 24.
Referring to fig. 1 and 2, the supporting rubber sleeve 23 and the base 01 are isolated by the supporting spring 22, so that the vibration transmitted from the base 01 to the housing 02 is reduced, and the three supporting columns 21 limit the connecting ring 24, so that the vibration of the housing 02 is suppressed.
Referring to fig. 2, in order to increase the contact area between the locking nut 26 and the connection ring 24, a pressing piece 27 is arranged between the locking nut 26 and the connection ring 24, the pressing piece 27 is arranged in a circular ring shape, the pressing piece 27 is sleeved on the support column 21, a downward flange 271 is integrally formed at the edge of the outer ring of the pressing piece 27, and the locking nut 26 abuts against the surface of the pressing piece 27.
Referring to fig. 2 and 3, the housing stabilizing assembly 3 is provided with one between every two support columns 21, each housing stabilizing assembly 3 comprises a base plate 31, a stabilizing cylinder 32 and a supporting piece 33, the base plate 31 is vertically arranged on the base 01, the bottom end of the base plate 31 is fixedly connected with the base 01, the stabilizing cylinder 32 is fixedly arranged at the top end of the base plate 31, a piston rod of the stabilizing cylinder 32 moves along the radial direction of the housing 02, and the supporting piece 33 is fixedly connected on the piston rod of the stabilizing cylinder 32.
Referring to fig. 3, 4 and 5, the abutting member 33 includes an abutting plate 331 and an abutting air cushion 332, the abutting plate 331 is fixedly connected to the piston rod of the stabilizing cylinder 32, the abutting plate 331 is disposed in an arc shape, and the abutting air cushion 332 is fixedly disposed on the surface of the abutting plate 331. The outer wall of the tightening air cushion 332 on the side away from the tightening plate 331 is provided with a plurality of hemispherical protrusions 333, a buffer column 334 is fixedly arranged between the inner wall of each protrusion 333 and the inner wall of the tightening air cushion 332 on the side close to the tightening plate 331, the buffer column 334 is made of a flexible material, and the embodiment takes a rubber material as an example.
Referring to fig. 3 and 4, when the housing stabilizing assembly 3 works, it first contacts the housing 02 through the air cushion with the protrusion 333, and then gradually increases the contact area between the abutting air cushion 332 and the surface of the housing 02 along with the continuous extension of the piston rod of the stabilizing cylinder 32, thereby playing a role of protecting the housing 02 while clamping the housing 02.
Referring to fig. 1 and 3, the vibration stabilizing device further comprises a vibration sensor 41 and a controller 42, wherein the vibration sensor 41 is fixedly connected to the housing 02, the controller 42 is fixedly arranged on the base 01, the vibration sensor 41 is electrically connected with the controller 42, the controller 42 is electrically connected with the centrifugal motor 03, and the controller 42 is electrically connected with the stabilizing cylinder 32. The vibration amplitude of the housing 02 is detected by the vibration sensor 41, and the operation of the stabilization cylinder 32 is controlled in accordance with the vibration amplitude of the housing 02. If the vibration amplitude of the casing 02 is still too large after the casing stabilizing assembly 3 works, the controller 42 controls the centrifugal motor 03 to stop, and the effect of stopping the centrifuge is achieved.
The implementation principle of the vibration protection mechanism of the centrifuge is as follows: install centrifugal motor 03 on damping seat 11, utilize damping rod 13 and damping spring 14 to reduce the vibration that centrifugal motor 03 transmitted to frame 01, install casing 02 on supporting spring 22 through connection piece 25, through the isolated vibration that frame 01 transmitted to casing 02 of supporting spring 22, finally reduce the vibration that transmits to casing 02, three support column 21 cooperations play spacing effect to supporting gum cover 23 on the horizontal direction, thereby reduce the possibility that casing 02 body produced the vibration.
In the working process of the centrifugal machine, the vibration sensor 41 detects the vibration amplitude of the casing 02 in real time, when the vibration amplitude of the casing 02 is too large, the controller 42 controls the casing stabilizing component 3 to clamp the casing 02 and control the vibration amplitude of the casing 02, and if the vibration amplitude of the casing 02 is still too large, the controller 42 controls the centrifugal motor 03 to reduce the rotating speed until the vibration amplitude is reduced to the allowable range, so that the effect of protecting the centrifugal machine is achieved.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. A vibration protection mechanism of a centrifuge is characterized in that: the damping device comprises a motor damping assembly (1), wherein the motor damping assembly (1) comprises a damping seat (11) arranged on a machine base (01), a plurality of damping columns (12) arranged on the periphery of the damping seat (11) and a damping rod (13) connected with the damping columns (12) and the damping seat (11), a gap is reserved between the damping seat (11) and the machine base (01), one end of the damping rod (13) is hinged with the damping seat (11), and the other end of the damping rod (13) is hinged with the damping columns (12);
the casing supporting component (2), the casing supporting component (2) comprises a supporting column (21) arranged on the base (01), a supporting spring (22) sleeved outside the supporting column (21), a supporting rubber sleeve (23) fixedly sleeved on the top of the supporting spring (22), a connecting ring (24) arranged on the supporting rubber sleeve (23), a connecting piece (25) fixedly connected on the connecting ring (24) and a locking nut (26) in threaded connection on the supporting column (21), the supporting rubber sleeve (23) is sleeved outside the supporting spring (22), the connecting ring (24) is sleeved outside the supporting spring (22), the connecting piece (25) is fixedly connected with the shell of the centrifugal motor (03), the locking nut (26) is abutted against the connecting ring (24), a plurality of the casing supporting components (2) are arranged along the circumferential direction of the casing (02);
the machine shell stabilizing component (3), the machine shell stabilizing component (3) is adjacent two all be provided with one between the support columns (21), the machine shell stabilizing component (3) is used for clamping the machine shell (02).
2. A vibration protection mechanism for a centrifuge as recited in claim 1, wherein: subassembly (3) are stabilized to the casing including fixed base plate (31) of setting on frame (01), set up at stable cylinder (32) on base plate (31) top, set up and support tight piece (33) on stable cylinder (32) piston rod, stable cylinder (32) piston rod is along casing (02) radial motion, it is the arc setting to support one side that tight piece (33) are close to casing (02).
3. A vibration protection mechanism for a centrifuge as recited in claim 2, wherein: the abutting piece (33) comprises an abutting plate (331) fixedly connected to a piston rod of the stabilizing cylinder (32) and an abutting air cushion (332) arranged on the surface of the abutting plate (331).
4. A vibration protection mechanism for a centrifuge as recited in claim 3, wherein: the surface of the abutting air cushion (332) is provided with a plurality of protrusions (333), a buffer column (334) is fixedly arranged between the inner wall of each protrusion (333) and the inner wall of one side, close to the abutting plate (331), of the abutting air cushion (332), and the buffer column (334) is made of flexible materials.
5. A vibration protection mechanism for a centrifuge as recited in claim 1, wherein: a pressing sheet (27) is arranged above the connecting ring (24), a downward flanging (271) is arranged at the edge of the pressing sheet (27), and the locking nut (26) is abutted against the pressing sheet (27).
6. A vibration protection mechanism for a centrifuge as recited in claim 1, wherein: and a plurality of damping springs (14) are fixedly arranged between the bottom of the damping seat (11) and the base (01).
7. A vibration protection mechanism for a centrifuge as recited in claim 1, wherein: still include vibration sensor (41) and controller (42), vibration sensor (41) are installed on casing (02), controller (42) set up on frame (01), vibration sensor (41) with controller (42) electricity is connected, controller (42) are connected with centrifugal motor (03) electricity.
8. A vibration protection mechanism for a centrifuge as recited in claim 7, wherein: the housing stabilizing assembly (3) is electrically connected with the controller (42).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210432603.3A CN114904664A (en) | 2022-04-24 | 2022-04-24 | Vibration protection mechanism of centrifugal machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210432603.3A CN114904664A (en) | 2022-04-24 | 2022-04-24 | Vibration protection mechanism of centrifugal machine |
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| CN114904664A true CN114904664A (en) | 2022-08-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210432603.3A Pending CN114904664A (en) | 2022-04-24 | 2022-04-24 | Vibration protection mechanism of centrifugal machine |
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