CN113145320A

CN113145320A - Cold-stored centrifugal device that draws

Info

Publication number: CN113145320A
Application number: CN202110451760.4A
Authority: CN
Inventors: 张红艳; 曹进; 丛梅梅
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-04-26
Filing date: 2021-04-26
Publication date: 2021-07-23

Abstract

The invention relates to a centrifugal device, in particular to a refrigerating and extracting centrifugal device. The centrifugal tube cooling device comprises a rotor, a cooling bin, centrifugal tubes and a collision mechanism, wherein the rotor is arranged in the cooling bin, a plurality of centrifugal tube mounting positions are arranged on the rotor, the centrifugal tubes are placed in the centrifugal tube mounting positions, and the collision mechanism is arranged in the cooling bin and is positioned below the rotor; when the collision mechanism is contacted with the bottom of the centrifugal tube, the centrifugal tube rotating along with the rotor can be driven to oscillate up and down, so that crushing extraction containing extracting solution and materials preset in the centrifugal tube is realized; when the collision mechanism is separated from the bottom of the centrifugal tube, the centrifugal separation of materials in the centrifugal tube is realized. The invention integrates four functions of refrigeration, extraction, crushing and centrifugation, utilizes ball milling force and shearing force to crush and extract materials, completes crushing extraction and centrifugal separation by one-time operation, is convenient for rapidly obtaining the part to be extracted, and has simple operation and low production cost.

Description

Cold-stored centrifugal device that draws

Technical Field

The invention relates to a centrifugal device, in particular to a refrigerating and extracting centrifugal device.

Background

At present, most of devices for extracting and centrifuging samples of a large number of plants, livestock and poultry meat, cells, tissues, microorganisms, biological materials and the like in food, medicine, clinical and life science inspection and research are two independent equipment units. Wherein the operation of extracting and centrifuging comprises a plurality of devices such as a homogenizing or crushing instrument, a vortex oscillation instrument, an ultrasonic instrument, a cold trap, a centrifuge and the like. The sample is crushed or ground by a homogenizing or grinding instrument, extracting solution is added for vortex oscillation or ultrasonic treatment, part of the sample is operated under the cooperation of a cold trap device, and after the treatment, a centrifugal machine is additionally used for centrifugation to obtain the extracting solution of the sample for the next purification treatment.

The prior art has the following problems that the operation steps are more, the freezing unit is not unique, the loss of materials can be caused by the operation of a plurality of modules and the transfer of samples, and the accurate reservation of substances to be detected is influenced; sample treatment and enrichment separation are inconvenient for quick acquisition of a part to be extracted; the existing independent unit operation not only increases the equipment cost, but also increases the labor cost.

Disclosure of Invention

In view of the above problems, the present invention provides a refrigerated extraction centrifuge, which realizes the release, transfer and enrichment of the part to be extracted in the sample, integrates the related steps, and compensates the deficiencies of the existing operation.

In order to achieve the purpose, the invention adopts the following technical scheme:

a cold storage extraction centrifugal device comprises a centrifugal rotor, a cooling bin, centrifugal tubes and a collision mechanism, wherein the centrifugal rotor is arranged in the cooling bin, a plurality of centrifugal tube mounting positions are arranged on the centrifugal rotor, a centrifugal tube is placed in each centrifugal tube mounting position, and the collision mechanism is arranged in the cooling bin and is located below the centrifugal rotor;

when the collision mechanism is in contact with the bottom of the centrifugal tube, the centrifugal tube rotating along with the centrifugal rotor can be driven to oscillate up and down, so that the crushing and extraction of materials in the centrifugal tube are realized;

when the collision mechanism is separated from the bottom of the centrifugal tube, centrifugal separation of materials in the centrifugal tube rotating along with the centrifugal rotor is realized.

The centrifugal rotor is provided with a plurality of centrifugal tube mounting holes, the centrifugal tubes are respectively inserted into the centrifugal tube mounting holes, and the lower ends of the centrifugal tubes extend out of the outer sides of the centrifugal tube mounting holes.

The centrifugal tube mounting holes are distributed along the circumferential direction, and the upper ends of the centrifugal tube mounting holes are arranged in an inward inclined mode; and an included angle between the axis of the centrifugal tube mounting hole and the rotation axis of the centrifugal rotor is 15-30 degrees.

The centrifugal rotor is of a groove-shaped structure, and a plurality of centrifugal tube mounting holes are formed in the bottom of the groove; the upper end of the centrifugal rotor is provided with a protective cover.

The upper end of centrifuging tube is equipped with the spacing ring, and the pot head is equipped with the lag down.

The refrigeration extraction centrifugal device also comprises a mechanical bin, and a lifting driving device and a rotating driving device which are arranged in the mechanical bin; the lifting driving device is connected with the collision mechanism or connected with the cooling bin;

the rotary drive is connected to the centrifugal rotor.

The lifting driving device comprises a lifting rod, and the upper end of the lifting rod is connected with the cooling bin; the collision mechanism is arranged at the bottom of the cooling bin.

The rotary driving device comprises a motor and a main shaft, wherein the main shaft is arranged along the vertical direction, the lower end of the main shaft is connected with the output end of the motor, and the upper end of the main shaft is inserted into the cooling bin and connected with the centrifugal rotor.

The collision mechanism comprises a collision disk and a plurality of collision blocks arranged on the collision disk along the circumferential direction, and the tops of the collision blocks are of curved surface protruding structures.

The top in machinery storehouse is equipped with the box, the cooling bin sets up in last box.

The invention has the advantages and beneficial effects that: the invention integrates four functions of refrigeration, extraction, crushing and centrifugation, utilizes ball milling force and shearing force to crush materials, completes the crushing and centrifugation by one-time operation, is convenient for rapidly obtaining the part to be extracted, and has simple operation and low production cost.

The centrifugal tube for containing materials rotates at a certain angle with a horizontal plane, and meanwhile, the end part of the centrifugal tube is provided with the centrifugal tube mounting seat which does uninterrupted reciprocating motion along the radial direction under the collision of the curved collision block under the limitation of the guide rail, so that the materials are vibrated and crushed; further improve ball-milling power, shearing force, improved the crushing efficiency of material.

Drawings

FIG. 1 is a schematic view of a refrigerated extraction centrifuge of the present invention;

FIG. 2 is a schematic view of the construction of a centrifugal rotor according to the present invention;

FIG. 3 is a schematic view of the centrifuge tube of the present invention;

fig. 4 is a schematic structural view of the collision mechanism of the present invention.

In the figure: 1 is the visor, 2 is centrifugal rotor, 3 is last box, 4 is the cooling tube, 5 is the compressor, 6 is the motor, 7 is the lifter, 8 is the main shaft, 9 is mechanical storehouse, 10 is the cooling bin, 11 is the collision piece, 12 is the collision dish, 13 is the centrifuging tube, 14 is the lag, 21 is the centrifuging tube mounting hole.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1, the refrigerated storage extraction centrifugal device provided by the invention comprises a centrifugal rotor 2, a cooling bin 10, a centrifugal tube 13 and a collision mechanism, wherein the centrifugal rotor 2 is arranged in the cooling bin 10, the centrifugal rotor 2 is provided with a plurality of centrifugal tube mounting positions, each centrifugal tube mounting position is provided with a centrifugal tube 13, and the collision mechanism is arranged in the cooling bin 10 and is located below the centrifugal rotor 2; when the collision mechanism is in contact with the bottom of the centrifuge tube 13, the centrifuge tube 13 rotating along with the centrifuge rotor 2 can be driven to oscillate up and down, so that the crushing and extraction of the materials in the centrifuge tube 13 are realized; when the collision mechanism is separated from the bottom of the centrifuge tube 13, centrifugal separation of the material in the centrifuge tube 13 rotating with the centrifuge rotor 2 is achieved.

As shown in fig. 2, in the embodiment of the present invention, a plurality of centrifuge tube mounting holes 21 are formed on the centrifuge rotor 2, a plurality of centrifuge tubes 13 are respectively inserted into the centrifuge tube mounting holes 21, and the lower ends of the centrifuge tubes 13 extend out of the centrifuge tube mounting holes 21. Further, a plurality of centrifuging tube mounting holes 21 distribute along circumference, and the inside slope setting in upper end, and the axis extension line of a plurality of centrifuging tube mounting holes 21 assembles in a point. Preferably, the angle between the axis of the centrifuge tube mounting hole 21 and the rotation axis of the centrifuge rotor 2 is between 30 and 45 degrees, and the specific angle is designed according to the curved surface of the collision mechanism. This keeps the centrifugal tube 13 inserted into the centrifugal tube mounting hole 21 in an inwardly tilted posture and is slidable in the centrifugal tube mounting hole 21. The centrifuge tube 13 for containing the material rotates at a certain angle with the horizontal plane, and the crushing force is huge ball milling and shearing force generated by sudden change of the rotation radius of the material.

Further, as shown in fig. 1, the centrifugal rotor 2 is a groove-shaped structure, and a plurality of centrifugal tube mounting holes 21 are formed in the bottom of the groove; the upper end of centrifugal rotor 2 is equipped with visor 1, and visor 1 is installed on centrifugal rotor 2 when the sample is handled, prevents that centrifuging tube 13 from deviating from.

Further, as shown in fig. 3, a limiting ring is arranged at the upper end of the centrifugal tube 13, and a protecting sleeve 14 is sleeved at the lower end. The centrifugal tube 13 is inserted into the centrifugal tube mounting hole 21 and axially limited by the upper limit ring, and the lower protective sleeve 14 plays a role in protecting the collision mechanism. In this embodiment, the protection cover 14 is made of rubber to protect the centrifugal tube 13 from being damaged during collision. The materials to be crushed, the grinding materials and a certain amount of extracting solution are put into a centrifuge tube 13 for crushing and extracting.

Or, the tip mountable at centrifuging tube 13 centrifuging tube mount pad, the centrifuging tube mount pad is placed in the centrifugation position of centrifugal rotor 2, and the centrifuging tube mount pad is axial reciprocating motion along centrifuging tube mounting hole 21.

Further, in order to prevent the centrifugal tube 13 from flying out during the axial reciprocating motion, an elastic rubber pad is disposed on the inner wall of the test tube mounting seat to keep the centrifugal tube 13 in the mounting seat.

As shown in fig. 4, in the embodiment of the present invention, the collision mechanism includes a collision disk 12 and a plurality of collision blocks 11 circumferentially disposed on the collision disk 12, and the top of the collision block 11 is a curved protrusion structure, and when the curved protrusion structure contacts with the bottom of the centrifugal tube 13, the centrifugal tube 13 is not damaged.

As shown in fig. 1, on the basis of the above embodiment, the refrigerated storage extraction centrifugal device further includes a mechanical bin 9, and a lifting driving device and a rotating driving device disposed in the mechanical bin 9; the lifting driving device is connected with the collision mechanism or connected with the cooling bin 10; the rotary drive is connected to the centrifugal rotor 2.

In the embodiment of the invention, the lifting driving device comprises a lifting rod 7, the upper end of the lifting rod 7 is connected with the cooling bin 10, and the collision mechanism is arranged at the bottom of the cooling bin 10. The lifting rod 7 drives the cooling bin 10 to lift, thereby driving the collision mechanism arranged in the cooling bin 10 to lift, and enabling the collision block 11 arranged on the collision disc 12 to contact with or separate from the bottom of the centrifugal tube 13.

When the curved surface projection at the top of the impact block 11 is contacted with the bottom of the centrifuge tube 13, impact grinding is formed by the rotation of the centrifuge rotor 2, and the crushing of the material and the release of the relevant extract to be extracted are realized. When centrifugal extraction is needed, the lifting rod 7 is used for driving the collision disk 12 to descend away from the centrifugal rotor 2, so that the collision block 11 is not in contact with the centrifugal tube 13 in the rotating process of the centrifugal rotor 2.

In an embodiment of the present invention, the rotation driving device comprises a motor 6 and a main shaft 8, wherein the main shaft 8 is arranged along a vertical direction, the lower end of the main shaft 8 is connected with the output end of the motor 6, and the upper end of the main shaft 8 is inserted into the cooling bin 10 and connected with the centrifugal rotor 2. The motor 6 drives the main shaft 8 to rotate, thereby driving the centrifugal rotor 2 to rotate. When the starting motor 6 drives the centrifugal rotor 2 to rotate, strong centrifugal force is generated, and the crushed micro particles suspended in the extracting solution are settled at a certain speed under the action of the centrifugal force, so that the solution of the crushed material can be separated, concentrated and purified.

Further, an upper box body 3 is arranged at the top of the mechanical bin 9, and a cooling bin 10 is arranged in the upper box body 3. The compressor 5 for cooling the cooling bin 10 is arranged in the mechanical bin 9, the compressor 5 is communicated with the cooling bin 10 through the cooling pipe 4, the freezing temperature in the cooling bin 10 is provided through the compressor 5, and temperature control is carried out according to the requirements of samples.

The invention provides a refrigeration extraction centrifugal device, which is used for extracting different kinds of materials under the refrigeration condition according to the crushing and centrifugation requirements of plants, livestock and poultry meat, cells, tissues, microorganisms and biological materials, and the specific working process is as follows:

the motor 6 drives the main shaft 8 to rotate to drive the centrifugal rotor 2 fixedly connected to the main shaft 8 to rotate, 6-12 centrifugal positions, namely centrifugal tube mounting holes 21 are arranged on the centrifugal rotor 2 in a parallel radial direction or on the circumference of a turntable, the centrifugal tube mounting holes 21 are obliquely arranged, the axial direction of the centrifugal positions and the main shaft are inclined at 30-45 degrees, and the main shaft 8 is parallel to the axis of the cooling bin. The lifting rod 7 can lift the cooling bin 10 to approach or move away from the centrifugal rotor 2 under the driving of the stepping motor. The freezing temperature in the cooling chamber 10 is generally provided by a compressor 5 installed in the mechanical chamber 9, after which the pre-crushed material and the abrasive material, and a certain amount of extraction liquid are put into the centrifuge tube 13, and the cooling chamber 10 is driven by the lifting rod 7 to approach the centrifuge rotor 2 until the lower edge of the centrifuge tube 13 (or the lower edge of the centrifuge tube protective seat) in the centrifuge rotor 2 contacts the curved surface protrusion of the impact mass 11 installed on the impact disk 12. The rotation through centrifugal rotor 2 forms collision grinding, realizes smashing of material and relevant release or extraction of treating the extract product, can make collision dish 12 keep away from centrifugal rotor 2 through lifter 7 again afterwards, and collision piece 11 breaks away from the contact with centrifuging tube 13, utilizes motor 6 to drive main shaft 8, forms centrifugal rotor 2 and rotates, realizes the centrifugation.

The working principle of the refrigeration extraction centrifugal device is as follows: setting a freezing operation temperature or a fixed condition temperature according to the requirements of the processed sample; when needs are broken to the material, lifter 7 drives cooling bin 10 and is close to centrifugal rotor 2, guarantees to rotate the in-process by main shaft 8 drive at centrifugal rotor 2, and centrifugal rotor position place centrifugal tube 13 down along with bump curved surface protruding contact on 12 collision block, form the mutual friction of material in centrifugal tube 13, wherein the extract of placing in advance simultaneously because rotatory formation shearing force in the motion realizes the smashing of relevant material. When the crushed material needs to be centrifuged, the lifting rod 7 drives the cooling bin 10 to be far away from the centrifugal rotor 2, so that in the process that the centrifugal rotor 2 is driven by the main shaft 8 to rotate, the lower edge of a centrifugal tube 13 placed at a centrifugal position is separated from contact with the collision block 11 on the collision disc 12, and the motor 6 drives the main shaft 8 to rotate so as to drive the centrifugal rotor 2 to rotate. The centrifugal rotor 2 can be centrifuged at a high speed, and the fine particles suspended in the extract and crushed are settled at a certain speed under the action of centrifugal force, so that the crushed solution can be separated, concentrated and purified.

In the embodiment of the invention, the crushing principle adopts a ball milling and shearing mixing mode, manual intervention is not needed in the crushing and centrifuging processes, the four functions of freezing, extracting, crushing and centrifuging are integrated into a whole, the material is arranged in a centrifugal tube, and the crushing, extracting and centrifuging are completed in one operation; the rapid acquisition of the part to be extracted is convenient, the operation is simple, and the production cost is low.

The above description is only an embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, improvement, extension, etc. made within the spirit and principle of the present invention are included in the protection scope of the present invention.

Claims

1. The utility model provides a cold-stored extraction centrifugal device, its characterized in that, includes centrifugal rotor (2), cooling bin (10), centrifuging tube (13) and collision mechanism, wherein centrifugal rotor (2) set up in cooling bin (10), be equipped with a plurality of centrifuging tube installation positions on centrifugal rotor (2), a centrifuging tube (13) has been placed to each centrifuging tube installation position, collision mechanism sets up in cooling bin (10), and is located the below of centrifugal rotor (2);

when the collision mechanism is in contact with the bottom of the centrifugal tube (13), the centrifugal tube (13) rotating along with the centrifugal rotor (2) can be driven to oscillate up and down, so that the crushing and extraction of the materials in the centrifugal tube (13) are realized;

when the collision mechanism is separated from the bottom of the centrifugal tube (13), centrifugal separation of materials in the centrifugal tube (13) rotating along with the centrifugal rotor (2) is realized.

2. The refrigerated extraction centrifuge device as claimed in claim 1, wherein the centrifuge rotor (2) is provided with a plurality of centrifuge tube mounting holes (21), the plurality of centrifuge tubes (13) are respectively inserted into the centrifuge tube mounting holes (21), and the lower ends of the centrifuge tubes (13) extend out of the centrifuge tube mounting holes (21).

3. The refrigerated extraction centrifuge device of claim 2, wherein a plurality of the centrifuge tube mounting holes (21) are distributed along a circumferential direction, and the upper ends are arranged in an inward inclined manner; the included angle between the axis of the centrifugal tube mounting hole (21) and the rotation axis of the centrifugal rotor (2) is 15-30 degrees.

4. A refrigerated extraction centrifuge device according to claim 3 wherein the centrifuge rotor (2) is of a groove type configuration with a plurality of centrifuge tube mounting holes (21) provided in the bottom of the groove; the upper end of the centrifugal rotor (2) is provided with a protective cover (1).

5. Refrigerated extraction centrifugation device according to claim 2, wherein the centrifuge tube (13) is provided with a stop collar at its upper end and a protective sheath (14) at its lower end.

6. Refrigerated extraction centrifugation device according to any of the claims 1 to 5, further comprising a mechanical compartment (9) and a lifting drive and a rotation drive arranged inside the mechanical compartment (9); the lifting driving device is connected with the collision mechanism or connected with the cooling bin (10);

the rotary drive is connected to the centrifugal rotor (2).

7. Refrigerated extraction centrifugation device according to claim 6, characterized in that the lifting drive comprises a lifting rod (7), the upper end of the lifting rod (7) being connected with the cooling bin (10); the collision mechanism is arranged at the bottom of the cooling bin (10).

8. Refrigerated extraction centrifuge as claimed in claim 6, characterized in that the rotary drive comprises a motor (6) and a main shaft (8), wherein the main shaft (8) is arranged in a vertical direction and the lower end is connected with the output of the motor (6), the upper end of the main shaft (8) is inserted into the cooling compartment (10) and connected with the centrifuge rotor (2).

9. The refrigerated extraction centrifuge as recited in claim 6, wherein the collision mechanism comprises a collision disk (12) and a plurality of collision blocks (11) arranged on the collision disk (12) along the circumferential direction, and the top of the collision block (11) is a curved convex structure.

10. Refrigerated extraction centrifugation device according to claim 6, characterized in that the top of the mechanical bin (9) is provided with an upper box (3), the cooling bin (10) being provided inside the upper box (3).