Efficient centrifugal machine for preparing medical intermediates

By adopting the coordinated design of limit blocks, limit holes and springs in the centrifuge, the cumbersome problem of cleaning the existing centrifuge placement box is solved, and the rapid disassembly and assembly of the placement box is achieved, and the work efficiency is improved.

CN222943671UActive Publication Date: 2025-06-06HEBEI FANBO PHARM TECH CO LTD
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Patent Information

Application Number
CN202421586729.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-05
Publication Date
2025-06-06
Estimated Expiration
2034-07-05

AI Technical Summary

Technical Problem

When existing centrifuges need to clean the placing box, the bolt fixing method is cumbersome and time-consuming, which affects work efficiency.

Method used

The matching design of limit blocks, limit holes and springs is adopted to facilitate quick disassembly and assembly of the placement box. Through the coordination of the first handrail, limit blocks and springs, the rapid installation and disassembly of the blocks and placement box are achieved.

Benefits of technology

It realizes rapid disassembly and assembly of the placement box, reduces downtime, accelerates the production process, and improves the convenience and efficiency of the centrifuge.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of centrifugal machines, and discloses an efficient medicine intermediate preparation centrifugal machine which comprises a centrifugal machine body, a rotating disc is installed in the centrifugal machine body, a cross is fixedly installed at the top of the rotating disc, a second limiting hole is formed in the cross, and a second limiting block is movably installed in the second limiting hole. Compared with a traditional centrifugal machine, the centrifugal machine has the advantages that the centrifugal cover can be fixed conveniently through cooperation of the first limiting block, the first limiting hole and the first spring, the centrifugal cover can be covered, substance leakage during high-speed rotation can be effectively prevented, safety of operators is protected, internal temperature rise can be slowed down, substances are protected against damage, and meanwhile the centrifugal machine is convenient to use. The sealed centrifugal cover can prevent substances from leaking out, avoid pollution of an experimental environment and ensure the quality of a laboratory, and the sealing performance is particularly important for medical intermediates possibly influencing human beings or the environment.
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Description

Technical Field

[0001] The utility model relates to the technical field of centrifuges, and more specifically, to a high-efficiency standby centrifuge for pharmaceutical intermediate systems. Background Art

[0002] The efficient pharmaceutical intermediate system spare centrifuge meets the high standards of the pharmaceutical industry with its unique design. It generates strong centrifugal force through high-speed rotation to quickly separate the different components in the pharmaceutical intermediates. The reasonable rotor structure combined with optimized operating parameters further improves the centrifugal efficiency and shortens the separation time. The centrifuges in the prior art usually use bolts to fix the placement box inside the centrifuge to ensure stability during centrifugation experiments. However, this fixing method brings inconvenience when the placement box needs to be cleaned. The operator needs to unscrew multiple sets of bolts one by one to remove the placement box from the centrifuge. The whole process is cumbersome and time-consuming, which seriously affects the work efficiency. Therefore, seeking a placement box fixing method that is easy to disassemble and assemble is of great significance to improving the convenience and efficiency of centrifuge use. Utility Model Content

[0003] In order to overcome the deficiencies of the prior art, the utility model provides an efficient pharmaceutical intermediate system standby centrifuge, which has the advantage of being easy to disassemble and assemble a placement box.

[0004] The technical solution of the utility model is as follows: an efficient pharmaceutical intermediate system standby centrifuge, comprising a centrifuge, a turntable is installed inside the centrifuge, a cross is fixedly installed on the top of the turntable, the cross is provided with two limiting holes, two limiting blocks are movably installed inside the two limiting holes, a first handrail is fixedly installed on the outer surface of the two limiting blocks, a limiting shaft is movably installed on the outer surface of the two limiting blocks, two springs are fixedly installed inside the two limiting shafts at one end of the two limiting blocks, a block is fixedly installed on the outer surface of the two limiting blocks, a placement box is fixedly installed on one end of the two limiting blocks.

[0005] As an optimal technical solution of the utility model, a centrifugal cover is movably installed on the top of the centrifuge, L-shaped blocks 1 are fixedly installed on both sides of the centrifugal cover, a limiting hole 1 is provided inside the L-shaped block 1, L-shaped blocks 2 are fixedly installed on both sides of the centrifuge, a box is fixedly installed on the front of the L-shaped block 2, the inside of the limiting hole 1 is movably installed on the limiting block 1, a pull rod is fixedly installed on one end of the limiting block 1, and one end of the pull rod completely passes through the inside of the box, a fixed block 1 is fixedly installed on one end of the pull rod, and a spring 1 is fixedly installed between the limiting block 1 and the box.

[0006] As a preferred technical solution of the utility model, a motor is fixedly installed inside the centrifuge, sound insulation cotton is fixedly installed at the output end of the motor, a fixed shaft is fixedly installed on the top of the sound insulation cotton, and the fixed shaft is fixedly connected to the turntable.

[0007] As a preferred technical solution of the utility model, a column is fixedly installed at the bottom of the centrifuge, and a base is fixedly installed at the bottom of the column.

[0008] As a preferred technical solution of the utility model, a second fixing block is fixedly installed on the back of the centrifuge, a T-block is movably installed inside the second fixing block, and a collection box is fixedly installed on the back of the T-block.

[0009] As a preferred technical solution of the utility model, a placement rack is fixedly installed on the front of the centrifuge, and a placement hole is opened inside the placement rack.

[0010] As a preferred technical solution of the utility model, a heat dissipation hole 1 is fixedly installed on the right side of the centrifuge, and the heat dissipation hole 1 is in the form of a linear array.

[0011] As a preferred technical solution of the utility model, a motor protection cover is fixedly installed on the outer surface of the motor, and a second heat dissipation hole is opened inside the motor protection cover.

[0012] As a preferred technical solution of the utility model, the first handrails and the limiting blocks are arranged in groups of two, and there are two groups in total between the limiting shaft and the second limiting hole.

[0013] As a preferred technical solution of the utility model, a second armrest is fixedly installed on the left side of the centrifugal cover, and the second armrest is in a U-shape.

[0014] The working principle and beneficial effects of the utility model are:

[0015] 1. Compared with the traditional centrifuge, the utility model is convenient for fixing the centrifuge cover through the cooperation between the limit block 1, the limit hole 1 and the spring 1. Covering the centrifuge cover can not only effectively prevent the leakage of materials during high-speed rotation and protect the safety of operators, but also slow down the internal temperature increase and protect the materials from damage. At the same time, the sealed centrifuge cover can prevent the leakage of materials, avoid experimental environmental pollution, and ensure the quality of the laboratory. For pharmaceutical intermediates that may have an impact on humans or the environment, the sealing performance is particularly important. In addition, the sealing performance of the centrifuge cover can also ensure the stability of the centrifuge speed, reduce noise, and maintain the accuracy of experimental data.

[0016] 2. Compared with the traditional centrifuge, the utility model is convenient for fixing the centrifuge cover through the cooperation between the limit block 1, the limit hole 1 and the spring 1. Covering the centrifuge cover can not only effectively prevent the leakage of materials during high-speed rotation and protect the safety of operators, but also slow down the internal temperature increase and protect the materials from damage. At the same time, the sealed centrifuge cover can prevent the leakage of materials, avoid experimental environmental pollution, and ensure the quality of the laboratory. For pharmaceutical intermediates that may have an impact on humans or the environment, the sealing performance is particularly important. In addition, the sealing performance of the centrifuge cover can ensure the stability of the centrifuge speed, reduce noise, and maintain the accuracy of experimental data. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0018] Figure 1 This is a schematic diagram of the front three-dimensional appearance structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the three-dimensional appearance of the back of the utility model;

[0020] Figure 3 This is a schematic diagram of the partial cross-sectional structure of the centrifuge housing of the utility model;

[0021] Figure 4 For this utility model Figure 3 A is an enlarged structural diagram;

[0022] Figure 5 This is a schematic diagram of the top view structure of the utility model;

[0023] Figure 6 This is a schematic diagram of the structure of the placement box of the utility model;

[0024] Figure 7 It is a schematic diagram of the cross-sectional structure of the limiting rod of the utility model.

[0025] In the figure: 1. centrifuge; 2. centrifuge cover; 3. L-shaped block 1; 4. L-shaped block 2; 5. box; 6. fixed block 1; 7. placement rack; 8. column; 9. collection box; 10. base; 11. T-shaped block; 12. fixed block 2; 13. heat dissipation hole 1; 14. limit block 1; 15. pull rod; 16. spring 1; 17. cross; 18. limit hole 1; 19. turntable; 20. sound insulation cotton; 21. motor; 22. motor protection cover; 23. heat dissipation hole 2; 24. fixed shaft; 25. spring 2; 26. block; 27. placement box; 28. limit shaft; 29. ​​limit hole 2; 30. first handrail; 31. limit block 2; 32. placement hole; 33. second handrail. DETAILED DESCRIPTION

[0026] The following will be combined with the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] like Figures 1 to 7 As shown, the utility model provides an efficient pharmaceutical intermediate system standby centrifuge, including a centrifuge 1, a turntable 19 is installed inside the centrifuge 1, a cross 17 is fixedly installed on the top of the turntable 19, the cross 17 is provided with a limiting hole 29, a limiting block 31 is movably installed inside the limiting hole 29, a first handrail 30 is fixedly installed on the outer surface of the limiting block 31, a limiting shaft 28 is movably installed on the outer surface of the limiting block 31, a spring 25 is fixedly installed inside the limiting shaft 28 at one end of the limiting block 31, a block 26 is fixedly installed on the outer surface of the limiting shaft 28, and a placement box 27 is fixedly installed at one end of the block 26.

[0028] When the staff loads the pharmaceutical intermediate into the centrifuge cylinder, they place the centrifuge cylinder into the placement box 27, and then fix the placement box 27. By holding the limit shaft 28 and the first armrest 30, the first armrest 30 drives the limit block 2 31 to squeeze the spring 25 inside the limit shaft 28, so that the limit block 2 31 quickly enters the inside of the limit shaft 28, and then aligns the limit block 2 31 with the inside of the limit hole 29. Now release the first armrest 30, and squeeze the limit block 2 31 on the limit shaft 28 through the spring 25, so that the limit block 2 31 quickly enters the inside of the limit hole 29, thereby completing the installation of the block 26 and the placement box 27.

[0029] When the pharmaceutical intermediate is loaded into the centrifuge cylinder, the centrifuge cylinder is placed in the placement box 27, and then the placement box 27 needs to be fixed. By holding the limit shaft 28 and the first armrest 30, the first armrest 30 drives the limit block 2 31 to squeeze the spring 25 inside the limit shaft 28, so that the limit block 2 31 quickly enters the inside of the limit shaft 28, and then the limit block 2 31 is aligned with the inside of the limit hole 29. Now release the first armrest 30, and the spring 25 squeezes the limit block 2 31 on the limit shaft 28, so that the limit block 2 31 quickly enters the inside of the limit hole 29. Compared with the traditional centrifuge, the centrifuge is convenient for quickly disassembling and assembling the block 26 through the cooperation between the first armrest 30, the limit block 2 31 and the spring 25. The operator can quickly replace or clean the material, which reduces the downtime and speeds up the production process. In addition, the quick disassembly and assembly design makes production adjustments more flexible and can easily cope with changes in material batches or production scale adjustments. At the same time, this design optimizes the cleaning and disinfection process of the centrifuge to ensure product quality and production safety. The easy-to-disassemble placement box also reduces maintenance costs, making maintenance and daily inspections more convenient, which helps to detect and solve problems in a timely manner.

[0030] Among them, a centrifugal cover 2 is movably installed on the top of the centrifuge 1, L-shaped blocks 3 are fixedly installed on both sides of the centrifugal cover 2, and a limiting hole 18 is provided inside the L-shaped block 3. L-shaped blocks 4 are fixedly installed on both sides of the centrifuge 1, and a box 5 is fixedly installed on the front of the L-shaped block 4. The inside of the limiting hole 18 is movably installed on the limiting block 14, and a pull rod 15 is fixedly installed on one end of the limiting block 14, and one end of the pull rod 15 completely penetrates the inside of the box 5, and a fixed block 6 is fixedly installed on one end of the pull rod 15, and a spring 16 is fixedly installed between the limiting block 14 and the box 5.

[0031] After the staff has placed and fixed the box 27, they need to place the centrifugal cover 2 inside the centrifuge 1, hold the second armrest 33 by hand, drive the centrifugal cover 2 to rotate in the centrifuge 1 through the second armrest 33, hold the fixed block 6 by hand, drive the box 5 to pull the pull rod 15 through the fixed block 6, pull the limit block 14 through the pull rod 15, and use the limit block 14 to set the spring 16 so that the limit block 14 quickly enters the box 5 and the L-shaped block 24, and then drive the L-shaped block 3 to slowly enter the L-shaped block 24 through the centrifugal cover 2. Now release the fixed block 6, squeeze the limit block 14 through the spring 16, so that the limit block 14 quickly enters the limit block 14, the limit hole 18 and the inside of the centrifuge 1, and limit the L-shaped block 3 through the limit block 14, so as to complete the centrifugal cover 2 on the top of the centrifuge 1.

[0032] After the placement box 27 is fixed, the centrifugal cover 2 needs to be placed inside the centrifuge 1, and the second armrest 33 is held by hand to drive the centrifugal cover 2 to rotate in the centrifuge 1, and then the fixing block 6 is held by hand to drive the box 5 to pull the pull rod 15 through the fixing block 6, and then the limit block 14 is pulled by the pull rod 15, and the limit block 14 is used to pair the spring 16 through the limit block 14, so that the limit block 14 quickly enters the inside of the box 5 and the L-shaped block 24, and then the L-shaped block 3 is driven by the centrifugal cover 2 to slowly enter the inside of the L-shaped block 24, and now the fixing block 6 is released, and the limit block 14 is squeezed by the spring 16, so that the limit block 14 quickly enters the limit block 14, the limit hole 18 and Inside the centrifuge 1, the L-shaped block 3 is limited by a limit block 14. Compared with the traditional centrifuge, the centrifuge is convenient for fixing the centrifuge cover 2 through the cooperation between the limit block 14, the limit hole 18 and the spring 16. Covering the centrifuge cover 2 can not only effectively prevent the leakage of materials during high-speed rotation and protect the safety of operators, but also slow down the internal temperature increase and protect the materials from damage. At the same time, the sealed centrifuge cover can prevent the leakage of materials, avoid experimental environmental pollution, and ensure the quality of the laboratory. For pharmaceutical intermediates that may have an impact on humans or the environment, the sealing performance is particularly important. In addition, the sealing of the centrifuge cover can ensure the stability of the centrifuge speed, reduce noise, and maintain the accuracy of experimental data.

[0033] A motor 21 is fixedly installed inside the centrifuge 1 , a sound insulation cotton 20 is fixedly installed at the output end of the motor 21 , a fixed shaft 24 is fixedly installed on the top of the sound insulation cotton 20 , and the fixed shaft 24 is fixedly connected to the turntable 19 .

[0034] After the staff has fixed the placement box 27 and closed the centrifugal cover 2, they turn on the motor 21, and drive the sound insulation cotton 20 to rotate through the motor 21, and then drive the fixed shaft 24 to rotate through the sound insulation cotton 20, and then drive the turntable 19 and the cross 17 to rotate synchronously through the fixed shaft 24, and the internal centrifuge cylinder of the placement box 27 is driven by the rotation of the cross 17. Through the cooperation between the motor 21 and the sound insulation cotton 20, the noise of the placement box 27 and the cross 17 during operation is reduced.

[0035] A column 8 is fixedly installed at the bottom of the centrifuge 1 , and a base 10 is fixedly installed at the bottom of the column 8 .

[0036] The cooperation between the column 8 and the base 10 facilitates the support of the centrifuge 1 , thereby ensuring the stability of the centrifuge 1 during use, reducing the shaking of the centrifuge 1 during operation, and improving the use efficiency of the centrifuge 1 .

[0037] A second fixing block 12 is fixedly installed on the back of the centrifuge 1 , a T-shaped block 11 is movably installed inside the second fixing block 12 , and a collecting box 9 is fixedly installed on the back of the T-shaped block 11 .

[0038] The staff fixes the T-block 11 on the back of the collection box 9. Now the T-block 11 is slowly placed into the interior of the fixed block 12 through the turntable 19. The T-block 11 and the turntable 19 are fixed by the fixed block 12. By adding the collection box 9, it is convenient to collect the centrifuge cylinder pharmaceutical intermediates.

[0039] A placement rack 7 is fixedly mounted on the front of the centrifuge 1 , and a placement hole 32 is provided inside the placement rack 7 .

[0040] The staff puts the centrifuge cylinder into the placement hole 32 for storage, and the centrifuge cylinder is supported by the placement rack 7, which makes it convenient for the staff to take the centrifuge cylinder and put it into the cross 17, thereby improving the use efficiency of the centrifuge cylinder.

[0041] Among them, a heat dissipation hole 13 is fixedly installed on the right side of the centrifuge 1, and the heat dissipation hole 13 is in the form of a linear array.

[0042] Since the placement holes 32 are in the form of a linear array on the right side of the centrifuge 1, this effectively reduces the operating temperature, reduces thermal stress, improves stability, extends service life, and ensures the efficiency and safety of the preparation process.

[0043] A motor protection cover 22 is fixedly mounted on the outer surface of the motor 21 , and a heat dissipation hole 23 is provided inside the motor protection cover 22 .

[0044] The motor 21 is supported by the motor 21 to ensure the stability of the motor 21 during use. A heat dissipation hole 23 is opened inside the motor protection cover 22 to facilitate heat dissipation inside the motor 21 and extend the service life of the motor 21.

[0045] The first handrail 30 and the second limiting block 31 are arranged in pairs, and there are two groups between the limiting shaft 28 and the second limiting hole 29 .

[0046] Since the first armrest 30 and the second limiting block 31 are grouped in pairs, there are two groups in total between the limiting shaft 28 and the second limiting hole 29. Through the cooperation between the first armrest 30 and the second limiting block 31, the block 26 and the placement box 27 are fixed more stably, thereby improving the use efficiency of the placement box 27.

[0047] A second armrest 33 is fixedly mounted on the left side of the centrifugal cover 2 , and the second armrest 33 is in a U-shape.

[0048] Since the second armrest 33 is in a U-shape on the left side of the centrifuge cover 2 and the U-shaped second armrest 33 is ergonomic, it is convenient to hold the second armrest 33 and drive the centrifuge cover 2 to seal the top of the centrifuge 1 through the second armrest 33, thereby improving the working efficiency of the centrifuge 1.

[0049] The working principle and use process of this utility model:

[0050] When the staff loads the pharmaceutical intermediate into the centrifuge cylinder, they place the centrifuge cylinder into the placement box 27, and then fix the placement box 27. By holding the limit shaft 28 and the first armrest 30, the first armrest 30 drives the limit block 2 31 to squeeze the spring 25 inside the limit shaft 28, so that the limit block 2 31 quickly enters the inside of the limit shaft 28, and then aligns the limit block 2 31 with the inside of the limit hole 29. Now release the first armrest 30, and squeeze the limit block 2 31 on the limit shaft 28 through the spring 25, so that the limit block 2 31 quickly enters the inside of the limit hole 29, thereby completing the installation of the block 26 and the placement box 27.

[0051] After the staff has placed and fixed the box 27, they need to place the centrifugal cover 2 inside the centrifuge 1, hold the second armrest 33 by hand, drive the centrifugal cover 2 to rotate in the centrifuge 1 through the second armrest 33, hold the fixed block 6 by hand, drive the box 5 to pull the pull rod 15 through the fixed block 6, pull the limit block 14 through the pull rod 15, and use the limit block 14 to set the spring 16 so that the limit block 14 quickly enters the box 5 and the L-shaped block 24, and then drive the L-shaped block 3 to slowly enter the L-shaped block 24 through the centrifugal cover 2. Now release the fixed block 6, squeeze the limit block 14 through the spring 16, so that the limit block 14 quickly enters the limit block 14, the limit hole 18 and the inside of the centrifuge 1, and limit the L-shaped block 3 through the limit block 14, so as to complete the centrifugal cover 2 on the top of the centrifuge 1.

[0052] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0053] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

[0054] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An efficient centrifuge for pharmaceutical intermediate production, comprising a centrifuge (1), characterized in that: A turntable (19) is installed inside the centrifuge (1), a cross (17) is fixedly installed on the top of the turntable (19), the cross (17) is provided with a second limit hole (29), a second limit block (31) is movably installed inside the second limit hole (29), a first handrail (30) is fixedly installed on the outer surface of the second limit block (31), a limit shaft (28) is movably installed on the outer surface of the second limit block (31), a second spring (25) is fixedly installed inside the limit shaft (28) at one end of the second limit block (31), a block (26) is fixedly installed on the outer surface of the limit shaft (28), and a placement box (27) is fixedly installed on one end of the block (26).

2. The efficient pharmaceutical intermediate system standby centrifuge according to claim 1, characterized in that: A centrifugal cover (2) is movably mounted on the top of the centrifuge (1), L-shaped blocks (3) are fixedly mounted on both sides of the centrifugal cover (2), a limiting hole (18) is provided inside the L-shaped block (3), L-shaped blocks (4) are fixedly mounted on both sides of the centrifuge (1), a box (5) is fixedly mounted on the front of the L-shaped block (4), a limiting block (14) is movably mounted inside the limiting hole (18), a pull rod (15) is fixedly mounted on one end of the limiting block (14), and one end of the pull rod (15) completely penetrates the inside of the box (5), a fixed block (6) is fixedly mounted on one end of the pull rod (15), and a spring (16) is fixedly mounted between the limiting block (14) and the box (5).

3. The efficient pharmaceutical intermediate system standby centrifuge according to claim 1, characterized in that: A motor (21) is fixedly installed inside the centrifuge (1), a sound insulation cotton (20) is fixedly installed at the output end of the motor (21), a fixed shaft (24) is fixedly installed on the top of the sound insulation cotton (20), and the fixed shaft (24) is fixedly connected to the turntable (19).

4. The efficient pharmaceutical intermediate system standby centrifuge according to claim 1, characterized in that: A column (8) is fixedly mounted on the bottom of the centrifuge (1), and a base (10) is fixedly mounted on the bottom of the column (8).

5. The efficient pharmaceutical intermediate system standby centrifuge according to claim 1, characterized in that: A second fixing block (12) is fixedly mounted on the back of the centrifuge (1), a T-shaped block (11) is movably mounted inside the second fixing block (12), and a collection box (9) is fixedly mounted on the back of the T-shaped block (11).

6. The efficient pharmaceutical intermediate system standby centrifuge according to claim 1, characterized in that: A placement rack (7) is fixedly mounted on the front of the centrifuge (1), and a placement hole (32) is provided inside the placement rack (7).

7. The efficient pharmaceutical intermediate system standby centrifuge according to claim 1, characterized in that: A heat dissipation hole 1 (13) is fixedly mounted on the right side of the centrifuge (1), and the heat dissipation hole 1 (13) is in the form of a linear array.

8. The efficient pharmaceutical intermediate system standby centrifuge according to claim 3 is characterized by: A motor protection cover (22) is fixedly mounted on the outer surface of the motor (21), and a second heat dissipation hole (23) is provided inside the motor protection cover (22).

9. The efficient pharmaceutical intermediate system standby centrifuge according to claim 1, characterized in that: The first handrail (30) and the second limiting block (31) are arranged in pairs, with a total of two groups located between the limiting shaft (28) and the second limiting hole (29).

10. The efficient pharmaceutical intermediate system standby centrifuge according to claim 2, characterized in that: A second armrest (33) is fixedly mounted on the left side of the centrifugal cover (2), and the second armrest (33) is in a U-shape.