CN114618690A - Centrifuge rotor - Google Patents
Centrifuge rotor Download PDFInfo
- Publication number
- CN114618690A CN114618690A CN202110927974.4A CN202110927974A CN114618690A CN 114618690 A CN114618690 A CN 114618690A CN 202110927974 A CN202110927974 A CN 202110927974A CN 114618690 A CN114618690 A CN 114618690A
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- CN
- China
- Prior art keywords
- rotor
- mounting groove
- centrifuge
- installation groove
- sealing ring
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B7/00—Elements of centrifuges
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C39/00—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor
- B29C39/003—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor characterised by the choice of material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C39/00—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor
- B29C39/02—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor for making articles of definite length, i.e. discrete articles
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- Centrifugal Separators (AREA)
Abstract
The invention provides a centrifuge rotor, and relates to the technical field of rotors. The centrifuge rotor comprises a rotor body, wherein a first installation groove is formed in the top of the rotor body, a second installation groove is formed in the center of the bottom of the first installation groove, an installation hole site is formed in one side of the bottom of the second installation groove, a sealing ring is connected to the periphery of the bottom of the first installation groove in a sliding mode, and a rotor cover is connected to the top wall of the sealing ring in a sliding mode. Realize the load of whole motor and circuit board through low density and reduce, the life of motor and circuit board has been prolonged, energy-conservation, in addition possess good high strength, high wear resistance, high anti-chemical property, high wear resistance, the life of ageing resistance extension rotor, high anti-chemical property does benefit to the rotor and is suitable for complicated changeable laboratory environment, high chemical resistance is difficult to arouse the rotor to rust, the danger probability of having reduced the burst, simultaneously through adopting high toughness material, the angle of actually comparing traditional aluminum alloy rotor is will be big, actual centrifugal effect is better.
Description
Technical Field
The invention relates to the technical field of rotors, in particular to a centrifugal machine rotor.
Background
Centrifuges are machines that utilize centrifugal force to separate components of a mixture of liquid and solid particles or liquid and liquid. The magnitude and magnitude of the centrifugal force, the rotational speed, the rotating radius, and the melt mass of the material. The centrifugal machine is widely applied to chemical engineering, petroleum, food processing, pharmacy, mineral processing engineering, carbon, water treatment, nuclear energy industry, ships and other departments.
At present, current centrifuge rotor lies in-service use and during operation, and its whole lightweight design that lacks, and the load of actual motor and circuit board is great, and work energy consumption is higher, lacks good high strength, high wearability, high anti-chemistry nature in addition, during the actual operation use, very easily damages, and then causes serious potential safety hazard, and the material lacks high toughness simultaneously, is mostly traditional aluminum alloy rotor, and actual rotor angle is less, and actual centrifugal effect is not good.
To this end, we developed a new centrifuge rotor.
Disclosure of Invention
Technical problem to be solved
In view of the deficiencies of the prior art, the present invention provides a centrifuge rotor that solves the above problems.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: the centrifuge rotor comprises a rotor body, wherein a first mounting groove is formed in the top of the rotor body, a second mounting groove is formed in the center of the bottom of the first mounting groove, and a mounting hole is formed in one side of the bottom of the second mounting groove;
the periphery of the bottom of the first mounting groove is connected with a sealing ring in a sliding mode, the top wall of the sealing ring is connected with a rotor cover in a sliding mode, the rotor cover is fixedly mounted at an opening above the first mounting groove, and a rotor handle is arranged in the center of the top of the rotor cover;
an upper gland is arranged at the bottom of the second mounting groove, a locking nut is arranged in the middle of the upper gland, an inner hexagonal screw is arranged in the mounting hole, a mounting groove is formed in the center of the bottom wall of the rotor body, and a lower gland is arranged in the mounting groove
Preferably, the top of the inner hexagonal screw is slidably connected with a hexagonal clamping groove corresponding to the upper gland, and the bottom of the inner hexagonal screw is in threaded connection with a threaded groove corresponding to the lower gland.
Preferably, the locking nut is in threaded connection with the rotor cover and the rotor handle, the rotor handle is connected in the rotor cover in a sliding mode, and the locking nut penetrates through the sealing ring.
Preferably, the rotor is prepared by:
s1, adding 1mol of adipic acid and 6mol of hexamethylenediamine into a high-temperature reaction kettle, heating to 214 ℃, pressurizing to 1.8MPa, reacting for three hours, gradually reducing the pressure to normal temperature, adding 8g of carbon, 5g of molybdenum disulfide and 1.5g of polytetrafluoroethylene, and stirring for 30 minutes;
s2, reducing the pressure to 0.09MPa, reacting for 30 minutes, raising the temperature to 280 ℃, transferring the mixture into a dispersion reaction kettle, starting a pneumatic disperser, adding 2g of glass fiber and 12g of carbon fiber, dispersing for 1 hour, transferring the mixture into a mold, casting, forming, naturally cooling, and taking out to obtain a rotor section (the rotating speed is less than 12000 rpm);
s3, or transferring the rotor profile into a centrifugal casting mold with a distributor pump, and taking out the rotor profile after centrifugal casting molding (the rotating speed is more than 12000rpm and less than 20000 rpm);
s4, after the rotor section is obtained, placing the rotor section for more than 6 months to eliminate stress, and machining the rotor to obtain the centrifugal machine high-speed rotor, wherein the actual rotor density is as follows: the cast nylon rotor density was 1.15g/cm3, approximately 3 out of 2 for carbon fiber, 5 out of 2 for aluminum, 4 out of 1 for titanium alloy, and 20 out of 3 for stainless steel.
S5, the rotor efficiency is more than 2 times of that of the traditional aluminum alloy rotor, the rotor density is small, the same volume and mass are small, and the centrifugal tube with small centrifugation is more advantageous, wherein the acceleration and deceleration of 24 × 1.5ml is about 2.4 times of that of the traditional aluminum alloy.
(III) advantageous effects
The invention provides a centrifuge rotor. The method has the following beneficial effects:
1. according to the centrifuge rotor, the density of the poured nylon rotor is 1.15g/cm3, the density is about 2/3 of carbon fiber, 2/5 of aluminum is 1/4 of titanium alloy, and 3/20 of stainless steel, the load of the whole motor and circuit board is small, the service life of the motor and the circuit board is prolonged, the working energy consumption is low, and energy is saved.
2. This centrifuge rotor possesses good high strength, high wear resistance, high anti-chemical, and high wear resistance, ageing resistance prolong the life of rotor, and high anti-chemical does benefit to the rotor and is suitable for complicated changeable laboratory environment, and high chemical resistance is difficult to cause the rotor to rust, has reduced the danger probability of exploding and splitting.
3. This centrifuge rotor, through adopting high toughness material, the angle of actually comparing traditional aluminum alloy rotor is will be big, and actual centrifugal effect is better, is about 1.25 to about 1.84 times of aluminum alloy.
Drawings
FIG. 1 is a schematic structural view of the components of the centrifuge rotor of the present invention;
FIG. 2 is a schematic view of the rotor assembly of the centrifuge of the present invention.
Wherein, 1, the rotor body; 2. a first installation slot position; 3. a second mounting slot position; 4. a seal ring; 5. a rotor cover; 6. a rotor handle; 7. a gland is arranged; 8. locking the nut; 9. mounting hole sites; 10. a lower gland; 11. an inner hexagonal screw.
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 obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
The first embodiment is as follows:
as shown in fig. 1-2, an embodiment of the present invention provides a centrifuge rotor, which includes a rotor body 1, a first mounting groove 2 is formed at a top of the rotor body 1, a second mounting groove 3 is formed at a central position of a bottom of the first mounting groove 2, a mounting hole 9 is formed at one side of a bottom of the second mounting groove 3, a sealing ring 4 is slidably connected to a periphery of the bottom of the first mounting groove 2, a top wall of the sealing ring 4 is slidably connected with a rotor cover 5, the rotor cover 5 is fixedly mounted at an opening above the first mounting groove 2, a rotor handle 6 is arranged at a central position of a top of the rotor cover 5, an upper gland 7 is arranged at a bottom of the second mounting groove 3, a locking nut 8 is arranged at a middle portion of the upper gland 7, an inner hexagonal screw 11 is arranged in the mounting hole 9, a mounting groove is formed at a central position of a bottom wall of the rotor body 1, a lower gland 10 is arranged in the mounting groove, and an upper gland 7 corresponding to the hexagonal groove is slidably connected to the top of the inner hexagonal screw 11, 11 bottom threaded connection of hexagon socket head cap screw has lower gland 10 to correspond the thread groove, and 8 threaded connection of lock nut has rotor lid 5 and rotor handle 6, and 6 sliding connection of rotor handle are in rotor lid 5, and lock nut 8 passes sealing washer 4, and whole rotor easy dismounting does benefit to periodic maintenance and repair.
Example two:
the difference between the present embodiment and the first embodiment is: preparing the rotor:
s1, adding 1mol of adipic acid and 6mol of hexamethylenediamine into a high-temperature reaction kettle, heating to 214 ℃, pressurizing to 1.8MPa, reacting for three hours, gradually reducing the pressure to normal temperature, adding 8g of carbon, 5g of molybdenum disulfide and 1.5g of polytetrafluoroethylene, and stirring for 30 minutes;
s2, reducing the pressure to 0.09MPa, reacting for 30 minutes, raising the temperature to 280 ℃, transferring the mixture into a dispersion reaction kettle, starting a pneumatic disperser, adding 2g of glass fiber and 12g of carbon fiber, dispersing for 1 hour, transferring the mixture into a mold, casting, forming, naturally cooling, and taking out to obtain a rotor section (the rotating speed is less than 12000 rpm);
s3, or transferring the rotor profile into a centrifugal casting mold with a distributor pump, and taking out the rotor profile after centrifugal casting molding (the rotating speed is more than 12000rpm and less than 20000 rpm);
s4, after the rotor section is obtained, placing the rotor section for more than 6 months to eliminate stress, and machining the rotor to obtain the centrifugal machine high-speed rotor, wherein the actual rotor density is as follows: the cast nylon rotor density was 1.15g/cm3, approximately 3 out of 2 for carbon fiber, 5 out of 2 for aluminum, 4 out of 1 for titanium alloy, and 20 out of 3 for stainless steel.
S5, the rotor efficiency is more than 2 times of that of the traditional aluminum alloy rotor, the rotor density is small, the same volume and mass are small, and the centrifugal tube with small centrifugation is more advantageous, wherein the acceleration and deceleration of 24 × 1.5ml is about 2.4 times of that of the traditional aluminum alloy.
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 (4)
1. Centrifuge rotor, including rotor body (1), its characterized in that: a first mounting groove (2) is formed in the top of the rotor body (1), a second mounting groove (3) is formed in the center of the bottom of the first mounting groove (2), and a mounting hole (9) is formed in one side of the bottom of the second mounting groove (3);
a sealing ring (4) is connected to the periphery of the bottom of the first mounting groove (2) in a sliding mode, a rotor cover (5) is connected to the top wall of the sealing ring (4) in a sliding mode, the rotor cover (5) is fixedly mounted at an opening above the first mounting groove (2), and a rotor handle (6) is arranged in the center of the top of the rotor cover (5);
an upper gland (7) is arranged at the bottom of the second mounting groove (3), a locking nut (8) is arranged in the middle of the upper gland (7), an inner hexagonal screw (11) is arranged in the mounting hole position (9), a mounting groove is formed in the center of the bottom wall of the rotor body (1), and a lower gland (10) is arranged in the mounting groove.
2. The centrifuge rotor of claim 1 wherein: the top of the inner hexagonal screw (11) is slidably connected with an upper gland (7) corresponding to a hexagonal clamping groove, and the bottom of the inner hexagonal screw (11) is in threaded connection with a lower gland (10) corresponding to a thread groove.
3. The centrifuge rotor of claim 1 wherein: the rotor handle is characterized in that the locking nut (8) is in threaded connection with the rotor cover (5) and the rotor handle (6), the rotor handle (6) is connected in the rotor cover (5) in a sliding mode, and the locking nut (8) penetrates through the sealing ring (4).
4. The centrifuge rotor of claim 1 wherein: preparing the rotor:
s1, adding 1mol of adipic acid and 6mol of hexamethylenediamine into a high-temperature reaction kettle, heating to 214 ℃, pressurizing to 1.8MPa, reacting for three hours, gradually reducing the pressure to normal temperature, adding 8g of carbon, 5g of molybdenum disulfide and 1.5g of polytetrafluoroethylene, and stirring for 30 minutes;
s2, reducing the pressure to 0.09MPa, reacting for 30 minutes, raising the temperature to 280 ℃, transferring the mixture into a dispersion reaction kettle, starting a pneumatic disperser, adding 2g of glass fiber and 12g of carbon fiber, dispersing for 1 hour, transferring the mixture into a mold, casting, forming, naturally cooling, and taking out to obtain a rotor section (the rotating speed is less than 12000 rpm);
s3, or transferring the rotor profile into a centrifugal casting mold with a distributor pump, and taking out the rotor profile after centrifugal casting molding (the rotating speed is more than 12000rpm and less than 20000 rpm);
s4, after the rotor section is obtained, placing the rotor section for more than 6 months to eliminate stress, and machining the rotor to obtain the centrifugal machine high-speed rotor, wherein the actual rotor density is as follows: the cast nylon rotor density was 1.15g/cm3, approximately 3 out of 2 for carbon fiber, 5 out of 2 for aluminum, 4 out of 1 for titanium alloy, and 20 out of 3 for stainless steel.
S5, the rotor efficiency is more than 2 times of that of the traditional aluminum alloy rotor, the rotor density is small, the same volume and mass are small, and the centrifugal tube with small centrifugation is more advantageous, wherein the acceleration and deceleration of 24 × 1.5ml is about 2.4 times of that of the traditional aluminum alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110927974.4A CN114618690A (en) | 2021-08-12 | 2021-08-12 | Centrifuge rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110927974.4A CN114618690A (en) | 2021-08-12 | 2021-08-12 | Centrifuge rotor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114618690A true CN114618690A (en) | 2022-06-14 |
Family
ID=81896583
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110927974.4A Pending CN114618690A (en) | 2021-08-12 | 2021-08-12 | Centrifuge rotor |
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| Country | Link |
|---|---|
| CN (1) | CN114618690A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115532451A (en) * | 2022-12-05 | 2022-12-30 | 深圳市瑞沃德生命科技有限公司 | Rotor and centrifugal machine with same |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5344380A (en) * | 1992-09-30 | 1994-09-06 | Beckman Instruments, Inc. | Release handle for centrifuge rotor and lid |
| DE102011107667A1 (en) * | 2011-07-12 | 2013-01-17 | Eppendorf Ag | Centrifuge rotor e.g. laboratory or industrial centrifuge rotor used for separating components of heterogeneous system, has outer reinforcement elements that are arranged radially with respect to rotational axis of rotor structure |
| CN104710785A (en) * | 2015-03-31 | 2015-06-17 | 长沙五犇新材料科技有限公司 | Low-water-absorption and wear-resistant composite nylon as well as preparation method and application thereof |
| CN204866235U (en) * | 2015-08-25 | 2015-12-16 | 湖南恒诺仪器设备有限公司 | High -speed centrifuge |
| CN105176072A (en) * | 2015-08-17 | 2015-12-23 | 青岛科凯达橡塑有限公司 | Low-density flame-retardant wear-resistant nylon/fluoroplastic composite material and preparation method thereof |
| CN206793924U (en) * | 2017-04-14 | 2017-12-26 | 湖南可成仪器设备有限公司 | A kind of centrifuge high speed angle rotor |
| CN110105752A (en) * | 2019-03-20 | 2019-08-09 | 广东龙道新材料有限公司 | A kind of foaming modifying nylon composite materials and preparation method thereof |
| CN110452529A (en) * | 2019-07-26 | 2019-11-15 | 嘉兴市博诚高分子材料有限公司 | A kind of modified abrasion resistant nylon and its preparation method and application |
| CN110744876A (en) * | 2019-10-28 | 2020-02-04 | 徐州兰贵机械科技有限公司 | Multilayer modified casting nylon material |
-
2021
- 2021-08-12 CN CN202110927974.4A patent/CN114618690A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5344380A (en) * | 1992-09-30 | 1994-09-06 | Beckman Instruments, Inc. | Release handle for centrifuge rotor and lid |
| DE102011107667A1 (en) * | 2011-07-12 | 2013-01-17 | Eppendorf Ag | Centrifuge rotor e.g. laboratory or industrial centrifuge rotor used for separating components of heterogeneous system, has outer reinforcement elements that are arranged radially with respect to rotational axis of rotor structure |
| CN104710785A (en) * | 2015-03-31 | 2015-06-17 | 长沙五犇新材料科技有限公司 | Low-water-absorption and wear-resistant composite nylon as well as preparation method and application thereof |
| CN105176072A (en) * | 2015-08-17 | 2015-12-23 | 青岛科凯达橡塑有限公司 | Low-density flame-retardant wear-resistant nylon/fluoroplastic composite material and preparation method thereof |
| CN204866235U (en) * | 2015-08-25 | 2015-12-16 | 湖南恒诺仪器设备有限公司 | High -speed centrifuge |
| CN206793924U (en) * | 2017-04-14 | 2017-12-26 | 湖南可成仪器设备有限公司 | A kind of centrifuge high speed angle rotor |
| CN110105752A (en) * | 2019-03-20 | 2019-08-09 | 广东龙道新材料有限公司 | A kind of foaming modifying nylon composite materials and preparation method thereof |
| CN110452529A (en) * | 2019-07-26 | 2019-11-15 | 嘉兴市博诚高分子材料有限公司 | A kind of modified abrasion resistant nylon and its preparation method and application |
| CN110744876A (en) * | 2019-10-28 | 2020-02-04 | 徐州兰贵机械科技有限公司 | Multilayer modified casting nylon material |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115532451A (en) * | 2022-12-05 | 2022-12-30 | 深圳市瑞沃德生命科技有限公司 | Rotor and centrifugal machine with same |
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