CN213996293U - Low-noise centrifugal machine - Google Patents

Abstract

The utility model relates to a centrifuge technical field, and a low noise type centrifuge is disclosed, which comprises a housin, the upper end of casing is equipped with the centrifugal chamber, the lower extreme of casing is equipped with the chamber of making an uproar that falls, the inside of centrifugal chamber is equipped with the rotor, the inside of octagon recess is equipped with the lead screw, be equipped with octagon thread piece on the pole wall of lead screw, it all is equipped with the rack to establish on the outer wall of octagon thread piece, be equipped with the regulation pole in the through-hole, the fixed gear that is equipped with of one end of adjusting the pole, the fixed standing groove that is equipped with of the other end of adjusting the pole, it is equipped with the motor in the chamber to fall the noise, the upper end of motor is equipped with the shock attenuation board, the motor passes through fixed establishment and shock attenuation board fastening connection, the fixed plate passes through the inner wall fastening connection of fixed establishment and casing, the output of motor run through the inner wall of shock attenuation board and with the bottom fixed connection of rotor, the lower extreme of casing is equipped with shock attenuation leg mechanism. The utility model discloses can realize falling the noise and carrying out angle modulation to centrifuge's the platform of placing to centrifuge.

Description

Low-noise centrifugal machine

Technical Field

The utility model relates to a centrifuge technical field especially relates to a low noise type centrifuge.

Background

The centrifugal machine is a machine for separating components from liquid and solid particles or a mixture of liquid and liquid by using centrifugal force, and is mainly used for separating solid particles from liquid in suspension or separating two liquids which have different densities and are not mutually soluble in emulsion.

Current centrifuge has produced a large amount of noises because the motor is in high-speed rotation state at the during operation, has seriously influenced operational environment, and centrifuge's standing groove is mostly fixed the setting, and the centrifugal container is placed according to required angle modulation to the unable way, thereby leads to centrifugal efficiency to step down.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving among the prior art because be in high-speed rotation state, produced a large amount of noises, seriously influenced operational environment, and centrifuge's standing groove is mostly fixed setting, and the centrifugal container is placed according to required angle modulation to no way to lead to the problem of centrifugal efficiency step-down, and the low noise type centrifuge that provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a low-noise centrifuge comprises a shell, wherein a centrifugal chamber is arranged at the upper end of the shell, a noise reduction chamber is arranged at the lower end of the shell, a rotor is arranged in the centrifugal chamber, an octagonal groove is formed in the central position of the upper end of the rotor, a lead screw is arranged in the octagonal groove, the lower end of the lead screw is rotatably connected with the inner wall of the octagonal groove through a bearing, an octagonal groove is extended out of the upper end of the lead screw and is fixedly provided with a rotating handle, octagonal thread blocks in threaded connection with the lead screw are arranged on the rod wall of the lead screw, racks are arranged on the outer wall of each octagonal thread block, through holes communicated with the octagonal groove are formed in the side wall of the octagonal groove, an adjusting rod is arranged in each through hole, a gear is fixedly arranged at one end, close to the octagonal groove, of the adjusting rod is rotatably connected with the inner wall of the through shaft, and the gear is meshed with the racks, the fixed standing groove that is equipped with of the other end of adjusting the pole, fall the indoor motor that is equipped with of making an uproar, the upper end of motor is equipped with the shock attenuation board, the motor passes through fixed establishment and shock attenuation board fastening connection, the fixed plate that is equipped with in both ends of shock attenuation board, the fixed plate passes through the inner wall fastening connection of fixed establishment and casing, the output of motor run through the inner wall of shock attenuation board and casing and with the bottom fixed connection of rotor, the lower extreme of casing is equipped with shock attenuation leg mechanism.

Preferably, the fixing mechanism comprises a first damping bolt, a first damping pad, a second damping bolt and a second damping pad, the first damping pad is located between the motor and the damping plate, the motor, the first damping pad and the damping plate are connected through the first damping bolt in a fastening mode, the second damping pad is located between the inner wall of the fixing plate and the inner wall of the shell, and the inner wall of the fixing plate, the inner wall of the second damping pad and the inner wall of the shell are connected through the second damping bolt in a fastening mode.

Preferably, the shock absorption leg mechanism comprises a telescopic outer tube, the telescopic outer tube is fixedly arranged at the lower end of the shell, a spring is fixedly arranged inside the telescopic outer tube, a telescopic inner rod is fixedly arranged at the lower end of the spring, the telescopic inner rod is connected with the inner wall of the telescopic outer tube in a sliding mode, and a rubber pad is fixedly arranged at the lower end of the telescopic inner rod and extends out of the telescopic outer tube.

Preferably, the through holes are arranged in a mode that the outer side is large and the inner side is small.

Preferably, the noise reduction chamber is filled with a polyurethane foam sound absorption material.

Preferably, the upper end of the shell is hinged with a protective cover.

Compared with the prior art, the utility model provides a low noise type centrifuge possesses following beneficial effect:

1. this kind of low noise type centrifuge drives octagon thread piece up-and-down motion through rotating the turning handle, and the up-and-down motion through octagon thread piece drives the up-and-down motion of rack, drives the rotation of gear through the up-and-down motion of rack, drives through the rotation of gear and adjusts the pole and revolute the axle up-and-down motion in the through-hole to the realization carries out synchronous control to the angle of a plurality of standing grooves.

2. This kind of low noise type centrifuge through first shock pad and first shock absorber bolt, makes the motor transmit the vibrations that give the shock attenuation board and weaken, makes the shock attenuation board weaken to the vibrations of casing through second shock pad and second shock absorber bolt to make the vibrations that the motor produced wholly weaken, reduced the noise that the motor produced.

3. This kind of low noise type centrifuge makes the noise that the motor produced further absorbed through filling polyurethane foam sound absorbing material in the chamber of making an uproar of falling to make the casing weaken the vibrations to ground through shock attenuation leg mechanism, make the noise that casing and ground produced weaken, further reduced centrifuge's noise.

The part that does not relate to in the device all is the same with prior art or can adopt prior art to realize, the utility model discloses can realize falling the noise and carrying out angle modulation to centrifuge's the platform of placing to centrifuge.

Drawings

Fig. 1 is a schematic structural view of a low-noise centrifuge according to the present invention;

FIG. 2 is an enlarged view of a portion A of FIG. 1;

FIG. 3 is a schematic cross-sectional view taken along the direction B-B in FIG. 1;

fig. 4 is an enlarged view of a portion C of fig. 3.

In the figure: the centrifugal container comprises a shell 1, a centrifugal chamber 2, a noise reduction chamber 3, a rotor 4, a screw rod 5, a turning handle 6, an octagonal thread block 7, a gear 8, an adjusting rod 9, a placing groove 10, a motor 11, a damping plate 12, a first damping pad 13, a first damping bolt 14, a second damping pad 15, a second damping bolt 16, a fixing plate 17, a telescopic outer tube 18, a spring 19, a telescopic inner rod 20, a rubber pad 21, a rack 22, a protective cover 23 and a centrifugal container 24.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-4, a low-noise centrifuge comprises a casing 1, a centrifugal chamber 2 is arranged at the upper end of the casing 1, a noise reduction chamber 3 is arranged at the lower end of the casing 1, a rotor 4 is arranged inside the centrifugal chamber 2, an octagonal groove is formed in the center position of the upper end of the rotor 4, a screw rod 5 is arranged inside the octagonal groove, the lower end of the screw rod 5 is rotatably connected with the inner wall of the octagonal groove through a bearing, the upper end of the screw rod 5 extends out of the octagonal groove and is fixedly provided with a rotating handle 6, an octagonal thread block 7 in threaded connection with the screw rod 5 is arranged on the rod wall of the screw rod 5, racks 22 are arranged on the outer wall of the octagonal thread block 7, through holes communicated with the octagonal groove are formed on the side wall of the octagonal groove, an adjusting rod 9 is arranged in the through holes, the through holes are large and small in, the gear 8 is rotatably connected with the inner wall of the through hole through a rotating shaft, the gear 8 is meshed with the rack 22, the other end of the adjusting rod 9 is fixedly provided with a placing groove 10, a motor 11 is arranged in the noise reduction chamber 3, the upper end of the motor is provided with a damping plate 12, the motor 11 is fixedly connected with the damping plate 12 through a fixing mechanism, two ends of the damping plate 12 are fixedly provided with fixing plates 17, the fixing plates 17 are fixedly connected with the inner wall of the shell 1 through the fixing mechanism, the output end of the motor 11 penetrates through the damping plate 12 and the inner wall of the shell 1 and is fixedly connected with the bottom end of the rotor 4, the noise reduction chamber 3 is filled with polyurethane foam sound-absorbing materials, the lower end of the shell 1 is provided with a damping leg mechanism, and the upper end of the shell 1 is hinged with a protective cover 23;

the fixing mechanism comprises a first shock absorption bolt 14, a first shock absorption pad 13, a second shock absorption bolt 16 and a second shock absorption pad 15, the first shock absorption pad 13 is located between the motor 11 and the shock absorption plate 12, the motor 11, the first shock absorption pad 13 and the shock absorption plate 12 are fixedly connected through the first shock absorption bolt 14, the second shock absorption pad 15 is located between the fixing plate 17 and the inner wall of the shell 1, and the fixing plate 17, the second shock absorption pad 15 and the inner wall of the shell 1 are fixedly connected through the second shock absorption bolt 16;

the shock absorption leg mechanism comprises a telescopic outer tube 18, the telescopic outer tube 18 is fixedly arranged at the lower end of the shell 1, a spring 19 is fixedly arranged inside the telescopic outer tube 18, a telescopic inner rod 20 is fixedly arranged at the lower end of the spring 19, the telescopic inner rod 20 is connected with the inner wall of the telescopic outer tube 18 in a sliding mode, and a rubber pad 21 is fixedly arranged at the lower end of the telescopic inner rod 20 and extends out of the telescopic outer tube 18.

In the utility model, in actual use, the worker opens the protective cover 23, symmetrically places the centrifugal container 24 inside the placing groove 10, drives the octagonal thread block 7 to move up and down by rotating the rotating handle 6, drives the rack 22 to move up and down by the up and down movement of the octagonal thread block 7, drives the gear 8 to rotate by the up and down movement of the rack 22, drives the adjusting rod 9 to rotate up and down in the through hole by the rotation of the gear 8, thereby realizing the synchronous adjustment of the angles of a plurality of placing grooves 10, after the angle adjustment of the placing groove 10 is finished, closes the protective cover 23, opens the power supply of the motor 11, drives the rotor 4 to rotate by the motor 11 to realize centrifugal work, when the motor 11 works, the vibration transmitted to the damping plate 12 by the motor 11 is weakened by the first damping pad 13 and the first damping bolt 14, the vibration of the damping plate 12 to the shell 1 is weakened by the second damping pad 15 and the second damping bolt 16, therefore, the vibration generated by the motor 11 is integrally weakened, the noise generated by the motor 11 is reduced, the noise generated by the motor 11 is further absorbed by filling the noise reduction chamber 3 with polyurethane foam sound-absorbing materials, the vibration of the shell 1 to the ground is weakened through the damping leg mechanism, the noise generated by the shell 1 and the ground is weakened, and the noise of the centrifuge is further reduced.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (6)

1. The utility model provides a low noise type centrifuge, includes casing (1), its characterized in that, the upper end of casing (1) is equipped with centrifugal chamber (2), the lower extreme of casing (1) is equipped with and falls the chamber of making an uproar (3), the inside of centrifugal chamber (2) is equipped with rotor (4), the central point of rotor (4) upper end puts and has seted up the octagon recess, the inside of octagon recess is equipped with lead screw (5), the lower extreme of lead screw (5) passes through the inner wall rotation of bearing and octagon recess and is connected, the upper end of lead screw (5) extends the octagon recess and is fixed and is equipped with turning handle (6), be equipped with on the pole wall of lead screw (5) and its threaded connection's octagon thread piece (7), it all is equipped with rack (22) to establish on the outer wall of octagon thread piece (7), all set up the through-hole with it communicates on the lateral wall of octagon recess, an adjusting rod (9) is arranged in the through hole, a gear (8) is fixedly arranged at one end of the adjusting rod (9) close to the octagonal groove, the gear (8) is rotationally connected with the inner wall of the through hole through a rotating shaft, the gear (8) is meshed with the rack (22), a placing groove (10) is fixedly arranged at the other end of the adjusting rod (9), a motor (11) is arranged in the noise reduction chamber (3), the upper end of the motor is provided with a damping plate (12), the motor (11) is tightly connected with the damping plate (12) through a fixing mechanism, fixing plates (17) are fixedly arranged at two ends of the damping plate (12), the fixing plates (17) are fixedly connected with the inner wall of the shell (1) through fixing mechanisms, the output end of the motor (11) penetrates through the inner walls of the damping plate (12) and the shell (1) and is fixedly connected with the bottom end of the rotor (4), and a damping leg mechanism is arranged at the lower end of the shell (1).

2. A centrifuge of the low noise type according to claim 1, wherein the fixing mechanism comprises a first shock absorbing bolt (14), a first shock absorbing pad (13), a second shock absorbing bolt (16) and a second shock absorbing pad (15), the first shock absorbing pad (13) is located between the motor (11) and the shock absorbing plate (12), the motor (11), the first shock absorbing pad (13) and the shock absorbing plate (12) are fastened and connected through the first shock absorbing bolt (14), the second shock absorbing pad (15) is located between the fixing plate (17) and the inner wall of the casing (1), and the fixing plate (17), the second shock absorbing pad (15) and the inner wall of the casing (1) are fastened and connected through the second shock absorbing bolt (16).

3. The centrifuge as claimed in claim 1, wherein the shock-absorbing leg mechanism comprises an outer telescopic tube (18), the outer telescopic tube (18) is fixedly arranged at the lower end of the casing (1), a spring (19) is fixedly arranged inside the outer telescopic tube (18), an inner telescopic rod (20) is fixedly arranged at the lower end of the spring (19), the inner telescopic rod (20) is slidably connected with the inner wall of the outer telescopic tube (18), and a rubber pad (21) is fixedly arranged at the lower end of the inner telescopic rod (20) extending out of the outer telescopic tube (18).

4. The centrifuge of claim 1, wherein said through holes are sized.

5. A centrifuge of the low noise type according to claim 1, wherein said noise reduction chamber (3) is filled with polyurethane foam sound absorbing material.

6. A centrifuge of the low noise type according to claim 1, wherein the housing (1) is hinged at its upper end with a protecting cover (23).

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