CN216779105U - Horizontal rotor of ultra-large capacity centrifuge - Google Patents
Horizontal rotor of ultra-large capacity centrifuge Download PDFInfo
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- CN216779105U CN216779105U CN202220108273.8U CN202220108273U CN216779105U CN 216779105 U CN216779105 U CN 216779105U CN 202220108273 U CN202220108273 U CN 202220108273U CN 216779105 U CN216779105 U CN 216779105U
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Abstract
The utility model relates to a horizontal rotor of a super-capacity centrifugal machine, which is used for assembling a centrifugal hanging cup and comprises a mounting disc, a plurality of cantilevers and a hanging pin, wherein the mounting disc, the cantilevers and the hanging pin are cast and formed into a whole; the hanging pins are symmetrically arranged at one end, far away from the mounting disc, of the cantilever, lightening holes are formed in the middle of the cantilever in the thickness direction, and arc-shaped concave surfaces used for vacating a space in the centrifugal hanging cup throwing-flat process are arranged on the cantilevers corresponding to two sides of the lightening holes. The beneficial effects of the utility model are: a. the weight of the rotor is reduced, and the load of a motor when the centrifugal machine works is reduced; b. the matching of the lightening holes and the arc concave surface vacates space for the throwing and leveling process of the hanging cup, so that the bearing capacity of the horizontal rotor is improved, and the single centrifugal processing capacity can be improved by 22 percent to the maximum extent; c. the rotor formed by one-step casting ensures the symmetrical precision of the cantilever and the hanging pin relative to the center of the mounting disc, reduces the processing procedures, saves the processing materials, shortens the processing period and reduces the input cost.
Description
Technical Field
The utility model relates to a laboratory centrifuge, in particular to a horizontal rotor of a super-capacity centrifuge.
Background
As an important component of a centrifuge, a horizontal rotor is rotated at a high speed to generate a strong centrifugal force, thereby separating components of different densities from a suspension sample. At present, a horizontal rotor mainly has two structures, one is a split type and comprises a rotor body, a hanging pin, a retainer ring, a wind shield and other parts, wherein the hanging pin is arranged on the rotor body and is fixed by the retainer ring; the other is an integral type, for example, Chinese patent ZL 201720924462.1 horizontal rotor of a centrifuge, the rotor body and the hanging pin are cast and formed into a whole. However, in both the split type and the integrated type, when a large amount of samples are processed at a time or a higher centrifugal acceleration is required, the size of the rotor body needs to be increased due to limitations of structure and material, which causes problems of increase of processing material, cycle extension, cost increase, etc., and also increases load of the motor, even requires replacement of the motor, which further increases input cost.
Therefore, how to provide a horizontal rotor of a super-capacity centrifuge is a technical problem which needs to be solved urgently by the technical personnel in the field.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a horizontal rotor of a super-large capacity centrifuge, which has lighter weight and larger capacity of bearing a hanging cup compared with the existing rotor under the same separation condition.
The technical scheme for solving the technical problems is as follows: a horizontal rotor of a super-large capacity centrifuge is used for assembling a centrifugal hanging cup and comprises a mounting disc, a plurality of cantilevers and a hanging pin which are cast and formed into a whole, wherein the cantilevers are symmetrically arranged on the mounting disc in a spoke shape along the circumferential direction of the mounting disc; the hanging pins are symmetrically arranged at one end, far away from the mounting disc, of the cantilever, the middle of the cantilever is provided with a lightening hole in the thickness direction, and the cantilevers corresponding to the two sides of the lightening hole are provided with arc-shaped concave surfaces used for vacating a space in the centrifugal hanging cup throwing-flat process.
The beneficial effects of the utility model are:
a. the rotor with the lightening holes is formed in one step by precision casting, so that the weight of the rotor is lightened, the load of a motor when the centrifugal machine works is reduced, and higher centrifugal acceleration can be realized under the same sample;
b. the cooperation of the lightening holes and the arc-shaped concave surface frees up space for the throwing and leveling process of the hanging cup, so that the number of the cantilevers can be further increased, the bearing capacity of the horizontal rotor is increased from the original 6 multiplied by 2400mL (the number of the hanging cups multiplied by the capacity of a single hanging cup) to 8 multiplied by 2200mL (the number of the hanging cups multiplied by the capacity of a single hanging cup), and the single centrifugal processing capacity can be improved by 22 percent to the maximum extent;
c. the rotor formed by one-step casting ensures the symmetrical precision of the cantilever and the hanging pin relative to the center of the mounting disc, reduces the processing procedures, saves the processing materials, shortens the processing period and reduces the input cost.
On the basis of the technical scheme, the utility model can be further improved as follows.
Furthermore, the lightening holes are long-strip-shaped holes and are arranged along the length direction of the cantilever, the thickness of the cantilever is gradually thinned from the end part of the lightening hole close to the mounting disc to the end part of the lightening hole far away from one end of the mounting disc, and the thickness of the cantilever is gradually thickened from the end part of the lightening hole far away from one end of the mounting disc to the free end part of the lightening hole.
The beneficial effects of adopting above-mentioned further scheme are that this structure is favorable to the flow and the filling of casting molten iron, has avoided the rotor to appear the thick wall structure, causes the exhaust not smooth, produces casting defects such as gas pocket, cold shut.
Preferably, the cantilever arm has a thickness in the range of 27mm to 32mm adjacent the mounting plate.
Further, the lightening holes are oblong holes.
The beneficial effect of adopting above-mentioned further scheme is when guaranteeing cantilever intensity, the area of increase lightening hole further lightens the weight of rotor.
Furthermore, the width of the two ends of the cantilever is larger than the width of the corresponding position of the lightening hole.
The beneficial effect of adopting the further scheme is that a larger space is vacated for the hanging cup to swing and swing.
Preferably, the width of the cantilever at the position corresponding to the lightening hole ranges from 12mm to 17 mm.
Furthermore, the center of the mounting disc is provided with a mounting hole.
Adopt the beneficial effect of above-mentioned further scheme to make things convenient for the mounting disc to fix on centrifuge.
Furthermore, two sides of the free end of the cantilever are provided with cylindrical hanging pins, two side faces of the centrifugal hanging cup are provided with cup hanging concave parts, and the cylindrical surfaces of the hanging pins are buckled with the cup hanging concave parts in a sliding mode.
The beneficial effects of adopting above-mentioned further scheme are that simple structure easily operates, and the lock is stable.
Drawings
FIG. 1 is a schematic structural view of a horizontal rotor and a hanging cup of a super-large capacity centrifuge of the present invention;
in the drawings, the components represented by the respective reference numerals are listed below:
1. the mounting plate 11, the mounting hole 2, the cantilever 21, the lightening hole 22, the arc concave surface 3, the hanging pin 31 and the hanging pin cylindrical surface;
4. a centrifugal hanging cup 41 and a hanging cup concave part.
Detailed Description
The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the utility model.
The utility model discloses a horizontal rotor of an ultra-large capacity centrifuge, which is used for assembling a centrifugal hanging cup 4 and comprises a mounting disc 1, a plurality of cantilevers 2 and a hanging pin 3 which are cast and formed into a whole, wherein the cantilevers 2 are symmetrically arranged on the mounting disc 1 in a spoke shape along the circumferential direction of the mounting disc 1; the hanging pins 3 are symmetrically arranged at one end, far away from the mounting disc 1, of the cantilever 2, the middle of the cantilever 2 is provided with lightening holes 21 along the thickness direction, and the cantilevers 2 corresponding to two sides of the lightening holes 21 are provided with arc-shaped concave surfaces 22 used for vacating the space in the throwing-flat process of the centrifugal hanging cup 4.
As shown in fig. 1, eight cantilevers 2 are symmetrically arranged on the periphery of a mounting plate 1, hanging pins 3 are symmetrically arranged at one ends of the cantilevers 2 far away from the mounting plate 1, oblong lightening holes 21 are formed in the middles of the cantilevers 2 in the thickness direction, and arc-shaped concave surfaces 22 used for vacating a space in the throwing-flat process of a centrifugal hanging cup 4 are formed outwards along the edges of the lightening holes 21.
The mounting disc 1, the eight cantilevers 2 and the hanging pins 3 are formed by precisely casting high-strength stainless steel, are strengthened by heat treatment, and are subjected to flaw detection, mounting holes 11 fixed with a centrifugal machine are machined in the center of the mounting disc 1, hanging pin cylindrical surfaces 31 capable of being buckled with the hanging cups 4 are machined on the hanging pins 3, and therefore the use standard of the horizontal rotor of the centrifugal machine with the ultra-large capacity can be met.
Advantageously, the centrifugal hanging cup 4 is provided with a hanging cup concave part 41, and the hanging pin cylindrical surface 31 is inserted into the hanging cup concave part 41 and is buckled and fixed, so that the structure is simple and easy to operate, and the buckling is stable.
Advantageously, the thickness of the cantilever 2 is gradually reduced from the end part of the lightening hole 21 close to the mounting disc 1 to the end part of the lightening hole 21 far away from the end of the mounting disc 1, and is gradually increased from the end part of the lightening hole 21 far away from the end of the mounting disc 1 to the free end part of the lightening hole, the structure is beneficial to the flowing and filling of cast molten iron, and the casting defects of unsmooth air exhaust, air holes, cold shut and the like caused by the thick-wall structure of the rotor are avoided.
More advantageously, the cantilever arm 2 has a thickness in the range 27mm-32mm close to the mounting plate 1.
Advantageously, the width of the two ends of the cantilever 2 is larger than the width of the corresponding position of the lightening hole 21, so that a larger space can be made for swinging and throwing the hanging cup.
More advantageously, the width of the cantilever 2 at the corresponding position of the lightening hole 21 ranges from 12mm to 17 mm.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (8)
1. A horizontal rotor of a super-large capacity centrifuge is used for assembling a centrifugal hanging cup (4) and comprises a mounting disc (1), a plurality of cantilevers (2) and a hanging pin (3) which are cast and formed into a whole, wherein the cantilevers (2) are symmetrically arranged on the mounting disc (1) in a spoke shape along the circumferential direction of the mounting disc (1); the hanging pins (3) are symmetrically arranged at one end, far away from the mounting disc (1), of the cantilever (2), and are characterized in that lightening holes (21) are formed in the middle of the cantilever (2) in the thickness direction, and arc-shaped concave surfaces (22) used for vacating space in the throwing-flat process of the centrifugal hanging cup (4) are arranged on the cantilevers (2) corresponding to two sides of the lightening holes (21).
2. The horizontal rotor of the ultra-large capacity centrifuge as claimed in claim 1, wherein the lightening holes (21) are elongated holes and are arranged along the length direction of the cantilever (2), the thickness of the cantilever (2) is gradually reduced from the end of the lightening holes (21) close to the mounting disc (1) to the end far away from one end of the mounting disc (1), and is gradually increased from the end of the lightening holes (21) far away from one end of the mounting disc (1) to the free end thereof.
3. The horizontal rotor of a ultralarge capacity centrifuge as recited in claim 2, wherein the thickness of the cantilever (2) near the mounting disk (1) is in the range of 27mm-32 mm.
4. A horizontal rotor of a ultralarge capacity centrifuge as recited in claim 2, characterized in that the lightening holes (21) are oblong holes.
5. The horizontal rotor of a super-large capacity centrifuge as recited in claim 4, characterized in that the width of the two ends of the cantilever (2) is larger than the width of the corresponding position of the lightening hole (21).
6. The horizontal rotor of a super-capacity centrifuge as recited in claim 5, wherein the width of the cantilever (2) corresponding to the position of the lightening hole (21) is in the range of 12mm-17 mm.
7. The horizontal rotor of a super-capacity centrifuge as claimed in claim 5, wherein the mounting disc (1) is centrally provided with a mounting hole (11).
8. The horizontal rotor of the ultra-large capacity centrifuge as recited in claim 2, wherein the free end of the cantilever (2) is provided with cylindrical hanging pins (3) on both sides, the centrifugal hanging cup (4) is provided with cup hanging recesses (41) on both sides, and the hanging pin cylindrical surfaces (31) are slidably engaged with the cup hanging recesses (41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220108273.8U CN216779105U (en) | 2022-01-14 | 2022-01-14 | Horizontal rotor of ultra-large capacity centrifuge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220108273.8U CN216779105U (en) | 2022-01-14 | 2022-01-14 | Horizontal rotor of ultra-large capacity centrifuge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216779105U true CN216779105U (en) | 2022-06-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220108273.8U Active CN216779105U (en) | 2022-01-14 | 2022-01-14 | Horizontal rotor of ultra-large capacity centrifuge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216779105U (en) |
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2022
- 2022-01-14 CN CN202220108273.8U patent/CN216779105U/en active Active
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