CN111570104A

CN111570104A - Microminiature centrifuge

Info

Publication number: CN111570104A
Application number: CN202010539839.8A
Authority: CN
Inventors: 徐云虎; 张申娥; 邵艳玲
Original assignee: Hangzhou Yuanlang Intelligent Technology Co ltd
Current assignee: Hangzhou Yuanlang Intelligent Technology Co ltd
Priority date: 2020-06-12
Filing date: 2020-06-12
Publication date: 2020-08-25

Abstract

The invention discloses a microminiature centrifugal machine, which comprises a base, wherein a centrifugal cylinder is fixedly connected to the top of the base, a buffer mechanism is arranged on the top of the base, and a built-in cylinder is rotatably connected to the interior of the centrifugal cylinder. This microminiature centrifuge, through setting up the filter screen, utilize first arch and the second arch on the filter screen to be connected with built-in section of thick bamboo, fix through screw hole and screw thread post, make the easy adhesion of solid particle back on the filter screen, the convenience is dismantled the filter screen, conveniently clear up, very big improvement centrifugal efficiency, the cooperation sets up buffer gear, the setting rotates the seat, a support, the support ball, flexible seat and reset spring, can be in microminiature centrifuge centrifugation in-process, play fine cushioning effect to the vibration that driving motor produced, reduce the noise that the centrifugation arouses, operating personnel's comfort level greatly improves, prolong this microminiature centrifuge's life.

Description

Microminiature centrifuge

Technical Field

The invention relates to the technical field of centrifuges, in particular to a micro-miniature centrifuge.

Background

Centrifuges are machines that utilize centrifugal force to separate components of a mixture of liquid and solid particles or liquid and liquid. The centrifuge is mainly used for separating solid particles from liquid in suspension, or separating two liquids which have different densities and are insoluble with each other 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; some sedimentation centrifuges can also grade solid particles according to density or granularity by utilizing the characteristic that the solid particles with different densities or granularities have different sedimentation speeds in liquid; the centrifugal machine is widely applied to chemical, petroleum, food, pharmacy, ore dressing, coal, water treatment, ships and other departments.

In the existing micro centrifugal machine, a filter screen is fixedly arranged in the centrifugal machine, solid particles are easy to adhere to the filter screen and difficult to clean, the centrifugal efficiency is greatly reduced, and in the centrifugal process of the centrifugal machine, the generated vibration is large, large noise is caused, and the comfort level of operators is low.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides a micro-centrifugal machine, which solves the problems that solid particles are easy to adhere to a filter screen and difficult to clean and the centrifugal machine vibrates greatly in the centrifugal process in the conventional micro-centrifugal machine.

In order to achieve the purpose, the invention is realized by the following technical scheme: a microminiature centrifugal machine comprises a base, wherein a centrifugal cylinder is fixedly connected to the top of the base, a buffer mechanism is arranged on the top of the base, a built-in cylinder is rotatably connected to the inside of the centrifugal cylinder, a filter screen is movably mounted in the built-in cylinder, the bottom of the filter screen is in contact with the bottom of an inner cavity of the built-in cylinder, a first bulge is arranged on the inner side of the filter screen, a second bulge is arranged on the outer side of the filter screen, threaded holes are formed in the first bulge and the second bulge in a penetrating mode, threaded columns are connected to the inner surfaces of the threaded holes in a threaded mode, and the bottom ends of the two threaded columns penetrate through the first bulge and the second bulge and extend to the inside of;

buffer gear includes the fixing base, the top of fixing base and the bottom fixed connection of base, the equal fixedly connected with in both sides of fixing base bottom rotates the seat, two the internal surface of rotating the seat all rotates and is connected with the support, and the bottom fixedly connected with support ball of support, the flexible seat of bottom fixedly connected with of fixing base, and the surface cover of flexible seat is equipped with reset spring.

Preferably, the top of the centrifugal cylinder is movably provided with a cylinder cover, and the top of the cylinder cover is fixedly connected with a lifting handle.

Preferably, the two sides of the centrifugal cylinder are fixedly connected with suction boxes, and the tops of the suction boxes are communicated with suction pipes.

Preferably, the opposite ends of the two material suction pipes penetrate through the centrifugal cylinder and extend into the centrifugal cylinder, and the bottoms of the two material suction boxes are communicated with a material discharge pipe.

Preferably, the inside fixedly connected with driving motor of base, the one end of driving motor output shaft passes through shaft coupling fixedly connected with pivot.

Preferably, the top end of the rotating shaft sequentially penetrates through the base and the centrifugal cylinder and extends to the inside of the centrifugal cylinder, the outer surface of the rotating shaft is fixedly connected with a gear located inside the centrifugal cylinder, and an annular sleeve is rotatably connected to the lower portion inside the centrifugal cylinder.

Preferably, the inner wall of the annular sleeve is fixedly connected with annular gear teeth, the inner surface of the annular gear teeth is meshed with the outer surface of the gear, and the top of the annular sleeve is fixedly connected with the bottom of the built-in cylinder.

Advantageous effects

The invention provides a micro centrifugal machine. Compared with the prior art, the method has the following beneficial effects:

(1) the micro centrifugal machine is characterized in that a built-in cylinder is rotatably connected inside the centrifugal cylinder, a filter screen is movably mounted inside the built-in cylinder, the bottom of the filter screen is in contact with the bottom of an inner cavity of the built-in cylinder, a first bulge is arranged on the inner side of the filter screen, a second bulge is arranged on the outer side of the filter screen, threaded holes are formed in the first bulge and the second bulge in a penetrating mode, threaded columns are connected to the inner surfaces of the threaded holes in a threaded mode, and the bottom ends of the two threaded columns penetrate through the first bulge and the second bulge and extend into the built-in cylinder; the buffering mechanism comprises a fixed seat, the top of the fixed seat is fixedly connected with the bottom of the base, rotating seats are fixedly connected with two sides of the bottom of the fixed seat, the inner surfaces of the two rotating seats are rotatably connected with a support, a supporting ball is fixedly connected with the bottom end of the support, a telescopic seat is fixedly connected with the bottom of the fixed seat, a reset spring is sleeved on the surface of the telescopic seat, the filtering net is arranged, a first bulge and a second bulge on the filtering net are connected with the built-in cylinder, and the filtering net is fixed through a threaded hole and a threaded column, so that solid particles are easily adhered to the filtering net, the filtering net is conveniently disassembled and is conveniently cleaned, the centrifugation efficiency is greatly improved, the buffering mechanism is arranged in a matching manner, and the rotating seats, the support, the supporting ball, the telescopic seat and the reset spring are arranged, so that the buffering effect on the vibration generated by, reduce the noise that centrifugation arouses, operating personnel's comfort level greatly improves, prolongs this microminiature centrifuge's life.

(2) This microminiature centrifuge, through the inside fixedly connected with driving motor at the base, the pivot is passed through to the one end of driving motor output shaft coupling fixedly connected with, the top of pivot runs through base and centrifuge bowl in proper order and extends to the inside of centrifuge bowl, the surface of pivot just is located the inside fixedly connected with gear of centrifuge bowl, the inside below of centrifuge bowl is rotated and is connected with the annular cover, the inner wall fixedly connected with annular teeth of a cogwheel of annular cover, and the internal surface of annular teeth of a cogwheel and the surface toothing of gear, the top of annular cover and the bottom fixed connection of built-in section of thick bamboo, through setting up driving motor, utilize driving motor drive pivot and gear, through the meshing transmission of gear and annular teeth of a cogwheel, make annular cover and built-in section of thick bamboo rotate at a high speed, not.

(3) This microminiature centrifuge inhales the workbin through the equal fixedly connected with in the both sides of centrifuge bowl, and two tops of inhaling the workbin all communicate to inhale the material pipe, and two are inhaled the inside that the relative one end of material pipe all runs through the centrifuge bowl and extend to the centrifuge bowl, and two bottoms of inhaling the workbin all communicate to have a row's material pipe, inhale the workbin through setting up, utilize to inhale the material pipe and absorb with the material after centrifugal separation, through arranging the material pipe, make things convenient for microminiature centrifuge's centrifugation process, avoid the material backward flow, improve centrifugal efficiency.

Drawings

FIG. 1 is a perspective view of the external structure of the present invention;

FIG. 2 is a front view of the outer structure of the cushioning mechanism of the present invention;

FIG. 3 is a top view of the internal structure of the centrifugal cylinder of the present invention;

FIG. 4 is a perspective view of the exterior construction of the screen of the present invention;

FIG. 5 is a perspective view of the internal structure of the base and centrifuge bowl of the present invention.

In the figure: 1-base, 2-centrifugal cylinder, 3-buffer mechanism, 31-fixed seat, 32-rotating seat, 33-support, 34-supporting ball, 35-telescopic seat, 36-reset spring, 4-built-in cylinder, 5-filter screen, 6-first projection, 7-second projection, 8-threaded hole, 9-threaded column, 10-cylinder cover, 11-lifting handle, 12-suction box, 13-suction pipe, 14-discharge pipe, 15-driving motor, 16-rotating shaft, 17-gear, 18-annular sleeve and 19-annular gear.

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. 1-5, the present invention provides a technical solution: a microminiature centrifugal machine comprises a base 1, a mounting groove matched with a driving motor 15 is formed in the base 1, corresponding heat dissipation holes are formed in the mounting groove, the heat dissipation effect of the motor is guaranteed, the driving motor 15 is fixedly connected to the interior of the base 1, the driving motor 15 is electrically connected with an external power supply, one end of an output shaft of the driving motor 15 is fixedly connected with a rotating shaft 16 through a coupler, the top end of the rotating shaft 16 sequentially penetrates through the base 1 and a centrifugal cylinder 2 and extends to the interior of the centrifugal cylinder 2, a gear 17 is fixedly connected to the outer surface of the rotating shaft 16 and is positioned in the centrifugal cylinder 2, an annular sleeve 18 is rotatably connected to the lower portion in the centrifugal cylinder 2, an annular gear 19 is fixedly connected to the inner wall of the annular sleeve 18, the inner surface of the annular gear 19 is meshed with the outer surface of the gear 17, the top of the annular sleeve 18, the centrifugal centrifuge comprises a base 1, a rotating shaft 16, a gear 17, a centrifugal barrel 2, material sucking pipes 12, a material sucking pump, a material sucking pipe 13, a material discharging pipe 14, a material sucking pipe 12, a material sucking pipe 13, a material discharging pipe 14, a material sucking pipe 12 and a filter screen 5, wherein the rotating shaft 16 and the gear 17 are driven by a driving motor 15, the annular sleeve 18 and the built-in barrel 4 rotate at a high speed through the meshing transmission of the gear 17 and an annular gear 19, the centrifugal effect is good, the stability is high, the centrifugal barrel 2 is fixedly connected to the top of the base 1, the material sucking pipes 12 are fixedly connected to both sides of the centrifugal barrel 2, the material sucking pump is installed in the material sucking box 12 and electrically connected to an external power supply, the material sucking pipe 13 is arranged on the outer side of the filter screen 5, the material sucking pipe 13 is arranged below the built-in barrel 4, the material, through a discharging pipe 13, the centrifugal separation process of a microminiature centrifugal machine is facilitated, material backflow is avoided, the centrifugal efficiency is improved, a cylinder cover 10 is movably mounted at the top of a centrifugal cylinder 2, the cylinder cover 10 is fixed on the centrifugal cylinder 2 through a lock catch, a lifting handle 11 is fixedly connected to the top of the cylinder cover 10, the cylinder cover 10 can be conveniently taken by arranging the lifting handle 11, a buffer mechanism 3 is arranged at the top of a base 1, an internal cylinder 4 is rotatably connected to the inside of the centrifugal cylinder 2, a filter screen 5 is movably mounted inside the internal cylinder 4, the filter screen 5 is an existing centrifugal separation technology, particles with different pore sizes can be centrifuged by arranging pore sizes with different pore sizes, the bottom of the filter screen 5 is contacted with the bottom of an inner cavity of the internal cylinder 4, a first bulge 6 is arranged at the inner side of the filter screen 5, a second bulge 7 is arranged at the outer side of the filter screen 5, and threaded holes, the inner surface of the threaded hole 8 is in threaded connection with threaded columns 9, the bottom ends of the two threaded columns 9 penetrate through the first bulge 6 and the second bulge 7 and extend into the built-in barrel 4, and a threaded groove matched with the threaded columns 9 is formed in the bottom of the inner cavity of the built-in barrel 4; the buffer mechanism 3 comprises a fixed seat 31, the top of the fixed seat 31 is fixedly connected with the bottom of the base 1, two sides of the bottom of the fixed seat 31 are fixedly connected with rotating seats 32, the inner surfaces of the two rotating seats 32 are rotatably connected with a support 33, the bottom of the support 33 is fixedly connected with a support ball 34, the support ball 34 is made of a metal material with a small friction coefficient, the support ball 34 can conveniently slide towards two sides, the buffer effect is better, the bottom of the fixed seat 31 is fixedly connected with a telescopic seat 35, the surface of the telescopic seat 35 is sleeved with a return spring 36, through the arrangement of the filter screen 5, the first bulge 6 and the second bulge 7 on the filter screen 5 are connected with the built-in barrel 4 and fixed through a threaded hole 8 and a threaded column 9, solid particles are easily adhered on the filter screen 5, the filter screen 5 is conveniently detached and conveniently cleaned, the centrifugal efficiency is greatly improved, the buffering mechanism 3 is arranged in a matched mode, the rotating seat 32, the support 33, the supporting ball 34, the telescopic seat 35 and the reset spring 36 are arranged, so that the vibration generated by the driving motor 15 can be well buffered in the centrifugal process of the micro centrifugal machine, the noise caused by centrifugation is reduced, the comfort level of an operator is greatly improved, and the service life of the micro centrifugal machine is prolonged.

And those not described in detail in this specification are well within the skill of those in the art.

When the centrifugal machine works, firstly, the barrel cover 10 is opened by lifting the handle 11, then, materials are introduced into the built-in barrel 4, the barrel cover 10 is fixed in the centrifugal barrel 2 by utilizing the lock catch, then, the driving motor 15 is started, the rotating shaft 16 is driven to rotate by the driving motor 15, the gear 17 is driven to rotate by the rotating shaft 16, the meshed annular gear teeth 19 are driven to rotate by the rotation of the gear 17, the annular gear teeth 19 rotate to enable the annular sleeve 18 to rotate, the annular sleeve 18 further drives the built-in barrel 4 to rotate by the rotation of the driving motor 15, the high-speed rotation of the built-in barrel 4 has good centrifugal effect and strong stability, a material suction pump in the material suction box 12 is started in the centrifugal process, the materials outside the filter screen 5 are sucked out by the material suction pipe 13, the materials are discharged by the discharge pipe 14, the centrifugal separation process of the miniature centrifugal machine is facilitated, the backflow of the, and then compress the expansion seat 35 and the return spring 36, make the support 33 rotate, thereby the support 33 rotates and drives the support ball 34 to move to both sides, can be in the centrifugal process of microminiature centrifuge, play fine cushioning effect to the vibration that driving motor 15 produced, reduce the noise that the centrifugation arouses, operating personnel's comfort level greatly improves, prolong this microminiature centrifuge's life, when needing to take out filter screen 5, only need to rotate screw post 9, make screw post 9 break away from screw hole 8, remove the spacing between filter screen 5 and the built-in section of thick bamboo 4, upwards pull out filter screen 5 can, reverse operation when needing to install can, make after solid particle easy adhesion is on filter screen 5, conveniently dismantle filter screen 5, conveniently clear up, very big improvement centrifugal efficiency, above is exactly a microminiature centrifuge's theory of operation.

In conclusion, through setting up filter screen 5, utilize first arch 6 and second arch 7 on the filter screen 5 to be connected with built-in section of thick bamboo 4, fix through screw hole 8 and screw post 9, make the easy adhesion of solid particle back on filter screen 5, the convenience is dismantled filter screen 5, conveniently clear up, very big improvement centrifugal efficiency, the cooperation sets up buffer gear 3, set up and rotate seat 32, support 33, support ball 34, flexible seat 35 and reset spring 36, can be in microminiature centrifuge centrifugation in-process, play fine cushioning effect to the vibration that driving motor 15 produced, reduce the noise that the centrifugation arouses, operating personnel's comfort level greatly improves, prolong this microminiature centrifuge's life.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a microminiature centrifuge, includes base (1), the top fixedly connected with centrifuge bowl (2) of base (1), its characterized in that: the centrifugal pump is characterized in that a buffer mechanism (3) is arranged at the top of the base (1), a built-in cylinder (4) is rotatably connected inside the centrifugal cylinder (2), a filter screen (5) is movably mounted inside the built-in cylinder (4), the bottom of the filter screen (5) is in contact with the bottom of an inner cavity of the built-in cylinder (4), a first bulge (6) is arranged on the inner side of the filter screen (5), a second bulge (7) is arranged on the outer side of the filter screen (5), threaded holes (8) are formed in the first bulge (6) and the second bulge (7) in a penetrating mode, threaded columns (9) are connected to the inner surfaces of the threaded holes (8) in a threaded mode, and the bottom ends of the two threaded columns (9) penetrate through the first bulge (6) and the second bulge (7) and extend into the built-in cylinder (4);

buffer gear (3) are including fixing base (31), the top of fixing base (31) and the bottom fixed connection of base (1), the equal fixedly connected with in both sides of fixing base (31) bottom rotates seat (32), two the internal surface that rotates seat (32) all rotates and is connected with support (33), and the bottom fixedly connected with of support (33) supports ball (34), the flexible seat (35) of bottom fixedly connected with of fixing base (31), and the surface cover of flexible seat (35) is equipped with reset spring (36).

2. A microminiature centrifuge as set forth in claim 1, wherein: the top of the centrifugal cylinder (2) is movably provided with a cylinder cover (10), and the top of the cylinder cover (10) is fixedly connected with a lifting handle (11).

3. A microminiature centrifuge as set forth in claim 1, wherein: the centrifugal cylinder is characterized in that the two sides of the centrifugal cylinder (2) are fixedly connected with suction boxes (12), and the tops of the suction boxes (12) are communicated with suction pipes (13).

4. A microminiature centrifuge as set forth in claim 3, wherein: two inhale the opposite one end of material pipe (13) and all run through centrifuge tube (2) and extend to the inside of centrifuge tube (2), two inhale the bottom of workbin (12) and all communicate and arrange material pipe (14).

5. A microminiature centrifuge as set forth in claim 1, wherein: the inside fixedly connected with driving motor (15) of base (1), the one end of driving motor (15) output shaft passes through shaft coupling fixedly connected with pivot (16).

6. A microminiature centrifuge as set forth in claim 5, wherein: the top of pivot (16) runs through base (1) and centrifuge bowl (2) in proper order and extends to the inside of centrifuge bowl (2), the surface of pivot (16) just is located the inside fixedly connected with gear (17) of centrifuge bowl (2), the inside below of centrifuge bowl (2) is rotated and is connected with annular cover (18).

7. A microminiature centrifuge as set forth in claim 6, wherein: the inner wall of the annular sleeve (18) is fixedly connected with annular gear teeth (19), the inner surface of the annular gear teeth (19) is meshed with the outer surface of the gear (17), and the top of the annular sleeve (18) is fixedly connected with the bottom of the built-in barrel (4).