CN216678633U

CN216678633U - Multipurpose high-speed centrifuge

Info

Publication number: CN216678633U
Application number: CN202220048627.4U
Authority: CN
Inventors: 罗双桃; 肖道安; 李帅
Original assignee: Guangzhou Jidi Instrument Co ltd
Current assignee: Guangzhou Jidi Instrument Co ltd
Priority date: 2022-01-10
Filing date: 2022-01-10
Publication date: 2022-06-07
Anticipated expiration: 2032-01-10

Abstract

The utility model discloses a multipurpose high-speed centrifuge, which comprises a shell and a motor, wherein the shell is provided with a plurality of through holes; a housing: a partition plate is arranged in the centrifugal box, a driving shaft is rotatably connected in a through hole in the middle of the partition plate, a centrifugal disc is arranged on the outer side of the driving shaft through an installation mechanism, and a box cover is hinged at the left end of an opening at the upper end of the shell; a motor: the motor is arranged on the inner bottom surface of the shell, a small gear is arranged at the lower end of an output shaft of the motor, a large gear is arranged at the lower end of a driving shaft, and an adjusting mechanism matched with the small gear and the large gear is arranged on the inner bottom surface of the shell; wherein: the input of motor is connected with the control switch group output electricity that the shell right flank set up, and external power source is connected to the input electricity of control switch group, and this multipurpose high speed centrifuge makes things convenient for different centrifugal discs to carry out quick replacement installation, and application range is wider, conveniently carries out high-speed and low-speed switching to the drive shaft, and the suitability is stronger, can be applied to the centrifugal separation of different materials.

Description

Multipurpose high-speed centrifuge

Technical Field

The utility model relates to the technical field of centrifuges, in particular to a multipurpose high-speed 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 (for example, cream is separated from milk); it can also be used to remove liquids from wet solids, such as by spin drying clothes in a washing machine; the special overspeed tubular separator can also separate gas mixtures with different densities; the characteristic that solid particles with different densities or particle sizes have different settling speeds in liquid is utilized, some settling centrifuges can also grade the solid particles according to the densities or the particle sizes, the existing centrifuges are not convenient and fast to install a centrifugal disc when in use, mostly do not have a speed regulation function, and are poor in applicability, and therefore the multipurpose high-speed centrifuge is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the existing defects and provide a multipurpose high-speed centrifuge, which is convenient for different centrifugal discs to be quickly replaced and installed, has a wider application range, is convenient for switching a driving shaft between a high speed and a low speed, has stronger applicability, can be applied to centrifugal separation of different materials and can effectively solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a multipurpose high-speed centrifuge comprises a shell and a motor;

a housing: a partition plate is arranged in the centrifugal box, a driving shaft is rotatably connected in a through hole in the middle of the partition plate, a centrifugal disc is arranged on the outer side of the driving shaft through an installation mechanism, and a box cover is hinged at the left end of an opening at the upper end of the shell;

a motor: the motor is arranged on the inner bottom surface of the shell, a small gear is arranged at the lower end of an output shaft of the motor, a large gear is arranged at the lower end of a driving shaft, and an adjusting mechanism matched with the small gear and the large gear is arranged on the inner bottom surface of the shell;

wherein: the input of motor is connected with the control switch group output electricity that the shell right flank set up, and external power source is connected to the input electricity of control switch group, makes things convenient for different centrifugal discs to carry out quick replacement installation, and application range is wider, conveniently carries out high-speed and low-speed switching to the drive shaft, and the suitability is stronger, can be applied to the centrifugal separation of different materials.

Further, adjustment mechanism is including changeing cover, link, montant and electric putter all set up in the inside bottom surface of shell, electric putter is the front and back symmetry setting, the lateral surface movable sleeve of montant is equipped with changes the cover, the upper end of changeing the cover be equipped with gear wheel complex first gear, the lower extreme of changeing the cover be equipped with pinion complex second gear, two electric putter's flexible end all with link fixed connection, the left end of link rotates with the middle part of changeing the cover to be connected, electric putter's input electricity connection control switch group's output can play the deceleration effect to the drive shaft.

Furthermore, the right end of the connecting frame is rotatably connected with a connecting shaft, an output shaft of the motor is square, a square hole in sliding connection with the output shaft of the motor is formed in the center of the bottom surface of the connecting shaft, and a square bulge at the upper end of the connecting shaft is matched and plugged with a square hole in the center of the bottom surface of the driving shaft, so that the output shaft of the motor is conveniently connected with the connecting shaft.

Further, installation mechanism includes fixture block, V type elasticity pull rod and shell fragment, the symmetry is rotated in the mounting groove of the inside upper end of drive shaft and is connected with the fixture block, and the inner wall symmetry of centrifugal disc is provided with the draw-in groove with fixture block complex, is connected through the shell fragment between two fixture blocks, and the lower extreme of V type elasticity pull rod rotates with two fixture blocks respectively to be connected, makes things convenient for different centrifugal discs to carry out quick replacement installation.

Furthermore, the lateral surface symmetry of drive shaft is provided with the gib block, and the inner wall symmetry of centrifugal dish is equipped with the guide way with gib block complex, conveniently transmits the torsion of drive shaft.

Furthermore, steel balls are uniformly placed in an annular groove formed in the middle of the upper surface of the partition plate, an annular plate is rotatably connected to the middle of the upper surface of the partition plate, and the steel balls are all in contact with the bottom surface of the annular plate, so that the friction force between the centrifugal disc and the partition plate is reduced.

Furthermore, the front side and the rear side of the shell are uniformly provided with heat dissipation grooves, so that the normal heat dissipation of internal electrical appliances is ensured.

Compared with the prior art, the utility model has the beneficial effects that: the multipurpose high-speed centrifuge has the following advantages:

1. the centrifugal plate is sleeved to the outer side of the driving shaft along the guide strip, the centrifugal plate slides downwards while being in contact with the outer side face of the fixture block, so that two fixture blocks are driven to rotate in opposite directions, the elastic pieces are compressed, the V-shaped elastic pull rod jacks upwards, when the clamping groove in the centrifugal plate corresponds to the fixture block, the fixture block is clamped into the clamping groove in the centrifugal plate under the elastic action of the elastic pieces, the centrifugal plate is fixed, the centrifugal plate which is different conveniently is rapidly replaced and installed, and the application range is wider.

2. When the centrifugal separation device is used, the control switch group controls the motor to work, the output shaft of the motor drives the driving shaft to rotate at a high speed through the connecting shaft to perform high-speed centrifugal separation on materials inside the centrifugal disc, the electric push rod can also be controlled to work through the control switch group, the rotating sleeve is driven to move downwards along the vertical rod through the connecting frame, meanwhile, the connecting shaft moves downwards synchronously, the connecting shaft is separated from the driving shaft at the moment, a first gear at the upper end of the rotating sleeve is meshed with a large gear at the lower end of the driving shaft at the moment, a second gear at the lower end of the rotating sleeve is meshed with a small gear at the lower end of the output shaft of the motor, the motor works through the matching of the small gear and the second gear and the matching of the large gear and the first gear at the moment, the speed reduction effect can be achieved on the driving shaft, low-speed centrifugal separation can be performed on the materials inside the centrifugal disc, the centrifugal separation device is stronger in applicability, and can be applied to the centrifugal separation of different materials.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the internal cross-section of the present invention;

fig. 3 is a schematic view of the internal structure of the housing of the present invention.

In the figure: the device comprises a shell 1, an adjusting mechanism 2, a rotating sleeve 21, a connecting frame 22, a vertical rod 23, an electric push rod 24, a partition plate 3, a steel ball 31, an annular plate 32, a driving shaft 4, a guide bar 41, a mounting mechanism 5, a fixture block 51, an elastic pull rod 52V, an elastic sheet 53, a centrifugal disc 6, a motor 7, a connecting shaft 8, a small gear 9, a large gear 10, a box cover 11, a heat dissipation groove 12 and a control switch group 13.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present embodiment provides a technical solution: a multipurpose high speed centrifuge comprises a housing 1 and a motor 7;

the shell 1: a partition plate 3 is arranged in the centrifugal disc, a driving shaft 4 is rotatably connected in a through hole in the middle of the partition plate 3, a centrifugal disc 6 is arranged on the outer side of the driving shaft 4 through an installation mechanism 5, a box cover 11 is hinged at the left end of an opening at the upper end of the shell 1 and plays a role in protecting the internal structure, heat dissipation grooves 12 are uniformly arranged on the front side and the back side of the shell 1 to ensure the normal heat dissipation of internal electric appliances, the installation mechanism 5 comprises clamping blocks 51, V-shaped elastic pull rods 52 and elastic sheets 53, clamping blocks 51 are symmetrically and rotatably connected in the installation groove at the upper end in the driving shaft 4, clamping grooves matched with the clamping blocks 51 are symmetrically arranged on the inner wall of the centrifugal disc 6, the two clamping blocks 51 are connected through the elastic sheets 53, the lower end of the V-shaped elastic pull rods 52 is respectively and rotatably connected with the two clamping blocks 51, guide bars 41 are symmetrically arranged on the outer side surface of the driving shaft 4, and guide grooves matched with the guide bars 41 are symmetrically arranged on the inner wall of the centrifugal disc 6, the centrifugal disc 6 is sleeved to the outer side of the driving shaft 4 along the guide strip 41, the centrifugal disc 6 slides down and contacts with the outer side surfaces of the fixture blocks 51, so that the two fixture blocks 51 are driven to rotate oppositely, meanwhile, the elastic sheet 53 is compressed, the V-shaped elastic pull rod 52 jacks upwards, when the clamping groove in the centrifugal disc 6 corresponds to the fixture block 51, the fixture block 51 is clamped into the clamping groove in the centrifugal disc 6 under the elastic action of the elastic sheet 53, so that the centrifugal disc 6 is fixed, different centrifugal discs 6 can be conveniently and rapidly replaced and installed, and the application range is wider;

a motor 7: the electric push rod adjusting mechanism is arranged on the inner bottom surface of the shell 1, a pinion 9 is arranged at the lower end of an output shaft of the motor 7, a large gear 10 is arranged at the lower end of the driving shaft 4, an adjusting mechanism 2 matched with the pinion 9 and the large gear 10 is arranged on the inner bottom surface of the shell 1, the adjusting mechanism 2 comprises a rotating sleeve 21, a connecting frame 22, a vertical rod 23 and an electric push rod 24, the vertical rod 23 and the electric push rod 24 are both arranged on the inner bottom surface of the shell 1, the electric push rod 24 is symmetrically arranged front and back, the rotating sleeve 21 is movably sleeved on the outer side surface of the vertical rod 23, a first gear matched with the large gear 10 is arranged at the upper end of the rotating sleeve 21, a second gear matched with the pinion 9 is arranged at the lower end of the rotating sleeve 21, the telescopic ends of the two electric push rods 24 are fixedly connected with the connecting frame 22, the left end of the connecting frame 22 is rotatably connected with the middle part of the rotating sleeve 21, a connecting shaft 8 is rotatably connected at the right end of the connecting frame 22, the output shaft of the motor 7 is square, the center of the bottom surface of the connecting shaft 8 is provided with a square hole which is in sliding connection with an output shaft of the motor 7, a square bulge at the upper end of the connecting shaft 8 is matched and inserted with a square opening at the center of the bottom surface of the driving shaft 4, the motor 7 works, the output shaft of the motor 7 drives the driving shaft 4 to rotate at a high speed through the connecting shaft 8 to perform high-speed centrifugal separation on materials in the centrifugal disc 6, an electric push rod 24 works, a connecting frame 22 drives a rotating sleeve 21 to move downwards along a vertical rod 23, the connecting shaft 8 synchronously moves downwards, the connecting shaft 8 is separated from the driving shaft 4 at the moment, a first gear at the upper end of the rotating sleeve 21 is meshed with a large gear 10 at the lower end of the driving shaft 4, a second gear at the lower end of the rotating sleeve 21 is meshed with a small gear 9 at the lower end of the output shaft of the motor 7, the motor 7 works through the matching of the small gear 9 and the second gear and the matching of the large gear 10 with the first gear, and can play a role of reducing speed on the driving shaft 4, the centrifugal separation device can be used for carrying out low-speed centrifugal separation on materials in the centrifugal disc 6, has stronger applicability and can be applied to centrifugal separation of different materials;

wherein: the input ends of the motor 7 and the electric push rod 24 are electrically connected with the output end of the control switch group 13 arranged on the right side surface of the shell 1, and the input end of the control switch group 13 is electrically connected with an external power supply to ensure the normal operation of the circuit.

Wherein: steel balls 31 are uniformly placed in an annular groove formed in the middle of the upper surface of the partition plate 3, an annular plate 32 is rotatably connected to the middle of the upper surface of the partition plate 3, the steel balls 31 are in contact with the bottom surface of the annular plate 32, and friction between the centrifugal disc 6 and the partition plate 3 can be reduced while the stability of support of the centrifugal disc 6 is guaranteed.

The working principle of the multipurpose high-speed centrifuge provided by the utility model is as follows: the box cover 11 is opened, the centrifugal disc 6 is sleeved to the outer side of the driving shaft 4 along the guide strip 41, the centrifugal disc 6 slides down and contacts with the outer side surfaces of the clamping blocks 51, so that the two clamping blocks 51 are driven to rotate oppositely, meanwhile, the elastic sheets 53 are compressed, the V-shaped elastic pull rod 52 jacks up, when the clamping grooves in the centrifugal disc 6 correspond to the clamping blocks 51, the clamping blocks 51 are clamped into the clamping grooves in the centrifugal disc 6 under the elastic action of the elastic sheets 53, so that the centrifugal disc 6 is fixed, different centrifugal discs 6 are convenient to rapidly replace and install, the application range is wider, after the centrifugal disc 6 is fixed, the bottom surface of the centrifugal disc 6 contacts with the annular plate 32, the steel balls 31 can reduce the friction force between the centrifugal disc 6 and the partition plate 3 while ensuring the centrifugal disc 6 to be stably supported, the control switch group 13 controls the motor 7 to work when the motor 7 is used, the output shaft of the motor 7 drives the driving shaft 4 to rotate at a high speed through the connecting shaft 8 to centrifugally separate materials in the centrifugal disc 6 at a high speed, can also control electric putter 24 work through control switch group 13, it moves down along montant 23 to drive through link 22 to change cover 21, connecting axle 8 moves down simultaneously in step, connecting axle 8 and drive shaft 4 separation this moment, change the meshing of the first gear of cover 21 upper end and the gear wheel 10 of drive shaft 4 lower extreme this moment, change the meshing of the second gear of cover 21 lower extreme and the pinion 9 of motor 7 output shaft lower extreme, motor 7 work passes through the cooperation of pinion 9 and second gear and the cooperation of gear wheel 10 and first gear this moment, can play the effect of slowing down to drive shaft 4, can carry out low-speed centrifugation separation to the inside material of centrifugal disc 6, application scope is wider.

It should be noted that the motor 7 and the electric push rod 24 disclosed in the above embodiments can be freely configured according to the actual application scenario, the motor 7 is suggested to be a motor with model number GNB2118A, the electric push rod 24 is a electric push rod with model number LAM5, and the control switch group 13 is provided with buttons which are in one-to-one correspondence with the motor 7 and the electric push rod 24 and are used for controlling the operation of the electric push rod 24.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. A multi-purpose high speed centrifuge characterized by: comprises a shell (1) and a motor (7);

housing (1): a partition plate (3) is arranged in the centrifugal box, a driving shaft (4) is rotatably connected in a through hole in the middle of the partition plate (3), a centrifugal disc (6) is installed on the outer side of the driving shaft (4) through an installation mechanism (5), and a box cover (11) is hinged to the left end of an opening in the upper end of the shell (1);

motor (7): the lower end of an output shaft of the motor (7) is provided with a pinion (9), the lower end of the driving shaft (4) is provided with a gearwheel (10), and the inner bottom surface of the shell (1) is provided with an adjusting mechanism (2) matched with the pinion (9) and the gearwheel (10);

wherein: the input end of the motor (7) is electrically connected with the output end of a control switch group (13) arranged on the right side surface of the shell (1), and the input end of the control switch group (13) is electrically connected with an external power supply.

2. A multipurpose high speed centrifuge as defined in claim 1, wherein: adjustment mechanism (2) are including changeing cover (21), link (22), montant (23) and electric putter (24) all set up in the inside bottom surface of shell (1), electric putter (24) are the symmetry setting around, the lateral surface movable sleeve of montant (23) is equipped with changes cover (21), the upper end of changeing cover (21) is equipped with the first gear with gear wheel (10) complex, the lower extreme of changeing cover (21) is equipped with and pinion (9) complex second gear, the flexible end of two electric putter (24) all with link (22) fixed connection, the left end of link (22) is connected with the middle part rotation of changeing cover (21), the output of electric connection control switch group (13) of input of electric putter (24).

3. A multipurpose high speed centrifuge according to claim 2, wherein: the right end of the connecting frame (22) is rotatably connected with a connecting shaft (8), an output shaft of the motor (7) is square, a square hole in sliding connection with the output shaft of the motor (7) is formed in the center of the bottom surface of the connecting shaft (8), and a square bulge at the upper end of the connecting shaft (8) is matched and inserted with a square opening in the center of the bottom surface of the driving shaft (4).

4. A multipurpose high speed centrifuge as defined in claim 1, wherein: the mounting mechanism (5) comprises clamping blocks (51), a V-shaped elastic pull rod (52) and elastic pieces (53), the clamping blocks (51) are symmetrically and rotatably connected in the mounting groove at the upper end in the driving shaft (4), clamping grooves matched with the clamping blocks (51) are symmetrically formed in the inner wall of the centrifugal disc (6), the two clamping blocks (51) are connected through the elastic pieces (53), and the lower end of the V-shaped elastic pull rod (52) is rotatably connected with the two clamping blocks (51) respectively.

5. A multipurpose high speed centrifuge according to claim 1, wherein: the outer side surface of the driving shaft (4) is symmetrically provided with guide strips (41), and the inner wall of the centrifugal disc (6) is symmetrically provided with guide grooves matched with the guide strips (41).

6. A multipurpose high speed centrifuge as defined in claim 1, wherein: steel balls (31) are uniformly placed in an annular groove formed in the middle of the upper surface of the partition plate (3), an annular plate (32) is rotatably connected to the middle of the upper surface of the partition plate (3), and the steel balls (31) are all in contact with the bottom surface of the annular plate (32).

7. A multipurpose high speed centrifuge as defined in claim 1, wherein: the front side and the rear side of the shell (1) are uniformly provided with heat dissipation grooves (12).