cryogenic centrifuge grinder

Abstract

The utility model relates to the technical field of grinder and discloses a refrigerated centrifugal grinder. The refrigerated centrifugal grinder comprises a shell main body, a compressor refrigeration module is arranged on the inner wall of one side of the shell main body, a grinding centrifugal module is arranged on the inner wall of the other side of the shell main body, a limiting assembly for limiting the rotation of a centrifugal tube and a disc grinding support is arranged in the grinding centrifugal module, and a control system for control is installed on the shell main body. The utility model improves automation through the grinding centrifugal module and the limiting assembly, thereby improving the reliability of experiments, reducing the labor intensity of personnel and the number of equipment used, and enabling multiple samples to be ground simultaneously. The grinding and centrifugal functions are realized through the cooperation of a driving motor, a small one-way clutch, a large one-way clutch and a rubber connecting piece, thereby improving the reliability of the equipment, reducing the number of parts used and substantially reducing the cost of the equipment.

Description

Technical Field

[0001] This utility model relates to the field of grinding equipment technology, and in particular to a refrigerated centrifugal grinder. Background Technology

[0002] With the rapid development of fields such as biomedicine and materials science, the requirements for sample pretreatment equipment are increasing. Traditional grinding methods suffer from problems such as sample degradation, component loss, low efficiency, and the need for centrifugation after grinding, making them difficult to meet the needs of modern scientific research and industry. Refrigerated centrifuges, as efficient, low-temperature sample processing equipment, can effectively solve these problems and have become an important tool in laboratories and industrial production.

[0003] With increasing demands for precision and efficiency in sample pretreatment in scientific research and industry, the market demand for refrigerated centrifuges continues to grow. This is especially true in the biomedical and materials science fields, where higher requirements are being placed on the equipment's efficiency, cryogenic protection capabilities, and automated operation.

[0004] Therefore, developing a high-performance, high-reliability refrigerated centrifuge has broad market prospects. Utility Model Content

[0005] The present invention mainly addresses the technical problem of poor performance and reliability of existing centrifugal grinding technology by providing a refrigerated centrifugal grinder.

[0006] To achieve the above objectives, this utility model adopts the following technical solution: a refrigerated centrifuge grinder, comprising a main shell, a compressor refrigeration module disposed on one inner wall of the main shell, and a grinding centrifuge module disposed on the other inner wall of the main shell; the grinding centrifuge module includes a grinding base plate, a drive motor, an extension shaft, a bearing sleeve, a large one-way clutch, an eccentric bearing, a disc grinding support, and centrifuge tubes; the grinding base plate for bearing is installed at the bottom position, the drive motor for driving is disposed at the top position of the grinding base plate, the extension shaft for transmission is rotatably connected to the output end of the drive motor, the bearing sleeve for connection is installed on the inner wall of the large one-way clutch, the eccentric bearing for installation is disposed on the outer wall of the extension shaft, an eccentric bearing sleeve is installed on the outer wall of the eccentric bearing, the disc grinding support for grinding is installed on the outer wall of the eccentric bearing sleeve, and the centrifuge tubes for holding samples are installed on the disc grinding support; the grinding centrifuge module is provided with an installation component for cooperating with the installation of the grinding centrifuge module, and a limiting component for limiting the rotation of the centrifuge tubes and the disc grinding support is provided inside the grinding centrifuge module; a control system for control is installed on the main shell.

[0007] Furthermore, the mounting assembly includes rubber damping columns, damping support columns, and a fixed outer ring. The rubber damping columns are arranged circumferentially and fixedly connected to the grinding base plate and the opposing wall surface of the base plate. The bottom of the fixed outer ring is fixedly connected to the damping support columns, and the fixed outer ring is fixedly connected to the top of the damping support columns. A silicone damping plate is provided on the top of the fixed outer ring. A floating inner ring and a floating outer ring are respectively provided on the inner and outer rings of the fixed outer ring. The silicone damping plate is installed on the top of the fixed outer ring through the floating outer ring, and the floating inner ring is installed on the inner ring of the silicone damping plate. A motor adapter plate is fixedly connected to the inner wall of the floating inner ring on the silicone damping plate, and the drive motor is installed at the bottom of the motor adapter plate.

[0008] Furthermore, the limiting assembly includes a small one-way clutch, the outer ring of the large one-way clutch is fixedly connected to the inner wall of the top of the motor adapter plate, the small one-way clutch is fixedly connected to the inner wall of the bearing sleeve, and the small one-way clutch is fixedly connected to the outer wall of the extension shaft.

[0009] Furthermore, the limiting component also includes a rubber connecting piece, one end of which is fixedly connected to the outer wall of the bearing sleeve, and the other end of which is fixedly connected to the outer wall of the eccentric bearing sleeve.

[0010] Furthermore, a rotating assembly for driving the opening and closing of the outer shell body is provided on the side wall of the outer shell body. The rotating assembly includes an outer shell cover and an electric push rod. The outer shell cover is rotatably connected to the top of the outer wall of the outer shell body, and the electric push rod is rotatably connected to the bottom of the side wall of the outer shell body. The electric push rod is rotatably connected to the bottom outer wall of the outer shell cover. An outer shell back plate is movably installed on the back of the outer shell body.

[0011] Furthermore, the compressor refrigeration module includes a refrigeration compressor unit and a refrigeration pot. The refrigeration compressor unit is fixedly connected to the inner wall of the outer shell body. The refrigeration pot is connected to the refrigeration compressor unit and fixedly connected to the bottom of the outer shell cover. The grinding centrifugal module is disposed on the inner wall of the refrigeration pot.

[0012] Furthermore, a counterweight support column is fixedly connected to the bottom of the floating inner ring, the counterweight support column extends to the bottom of the grinding base plate, and a counterweight plate for counterweight is fixedly connected to the bottom end of the counterweight support column.

[0013] Furthermore, a second through hole is provided in the grinding base plate, and a transport limiting post is provided in the second through hole. The bottom end of the transport limiting post is fixedly connected to the top outer wall of the base plate. Beneficial effects

[0014] This invention provides a refrigerated centrifuge grinder. It has the following beneficial effects:

[0015] (1) This frozen centrifuge grinder improves automation by using a grinding centrifuge module and a limiting component, thereby improving the reliability of the experiment, reducing the labor intensity of personnel and the number of equipment used. It can grind multiple samples at the same time. The grinding and centrifugation functions are achieved by using a drive motor to rotate forward and backward, a small one-way clutch, a large one-way clutch and a rubber connecting plate, which improves the reliability of the equipment and reduces the number of parts used, thus significantly reducing the equipment cost.

[0016] (2) The refrigerated centrifugal grinder is equipped with a counterweight plate, which is set away from the swinging parts, so that it is the lightest weight while ensuring the shock absorption effect.

[0017] (3) The frozen centrifugal grinder, through the use of rubber shock-absorbing columns, grinding base plate and transport limit column, ensures that the equipment will not be damaged during transportation without the need for additional fixing. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the internal structure of the present utility model from the front view.

[0019] Figure 2 This is a schematic diagram of the internal structure of the present invention from the right side.

[0020] Figure 3 This is a rear view of the present invention;

[0021] Figure 4 This is a detailed view of the rotating component of this utility model;

[0022] Figure 5 This is a detailed drawing of the refrigeration compressor unit of this utility model;

[0023] Figure 6 This is a cross-sectional view of the grinding centrifugal module of this utility model;

[0024] Figure 7 This is a detailed view of the mounting components on the grinding centrifugal module of this utility model;

[0025] Figure 8 This is a detailed drawing of the control system of this utility model.

[0026] Legend: 100. Outer shell; 101. Outer shell cover; 102. Outer shell back plate; 103. Base plate; 104. Foot; 200. Control system; 201. Motor driver; 202. Main control board; 203. Switching power supply; 204. Shorting terminal block; 205. Power socket; 206. Touch screen; 300. Compressor refrigeration module; 301. Refrigeration compressor unit; 302. Refrigeration pot; 400. Grinding centrifugal module; 410. Grinding base plate; 411. Counterweight plate; 420. Drive motor; 421. Motor adapter plate; 422. Floating inner ring; 423. Floating outer ring; 424. Extension shaft; 430. Centrifuge tube; 431. Centrifuge tube clamping plate; 432. Hand-tightening nut; 433. Disc grinding bracket; 440. Bearing sleeve; 441. Small one-way clutch; 442. Large one-way clutch; 443. Annular clamping plate; 444. Annular rubber gasket; 450. Eccentric bearing; 451. Eccentric bearing sleeve; 452. Eccentric bearing clamping plate; 453. Rubber connecting plate; 454. Anti-rotation rubber clamping plate; 455. Anti-rotation rubber pad; 500. Rubber shock-absorbing column; 501. Shock-absorbing support column; 502. Fixed outer ring; 503. Silicone shock-absorbing plate; 504. Counterweight support column; 505. Transport limit column; 600. Electric push rod; 601. Hinge. Detailed Implementation

[0027] Example 1: Refrigerated centrifuge, such as Figure 1 , Figure 2 and Figure 3 As shown, it includes a housing body 100. Specifically, a base plate 103 for bearing is fixedly connected to the bottom of the housing body 100, and feet 104 for support are provided at both ends of the bottom of the base plate 103.

[0028] like Figure 1 , Figure 6 and Figure 7As shown, a compressor refrigeration module 300 is provided on one inner wall of the outer casing 100, and a grinding centrifugal module 400 is provided on the other inner wall of the outer casing 100. The compressor refrigeration module 300 is located on the top side of the base plate 103, and the grinding centrifugal module 400 is located inside the compressor refrigeration module 300. The grinding centrifugal module 400 includes a grinding base plate 410, a drive motor 420, an extension shaft 424, a bearing sleeve 440, a large one-way clutch 442, an eccentric bearing 450, a disc grinding bracket 433, and a centrifugal tube 430. The grinding base plate 410, which is used for bearing, is installed at the bottom position. The drive motor 420, which is used for driving, is located at the top position of the grinding base plate 410. The extension shaft 424, which is used for transmission, is rotatably connected to the output end of the drive motor 420. A motor shaft is provided at the output end of the drive motor 420. The extension shaft 424 is located on the outer wall of the motor shaft. One end of the extension shaft 424 is coaxial with the motor shaft, and the other end of the extension shaft 424 is coaxial with the motor shaft. One end forms a certain angle with the motor shaft. The bearing sleeve 440 for connection is installed on the inner wall of the large one-way clutch 442. The eccentric bearing 450 for installation is set on the outer wall of the extension shaft 424. An eccentric bearing sleeve 451 is installed on the outer wall of the eccentric bearing 450. An eccentric bearing pressure plate 452 for cooperating with the eccentric bearing sleeve 451 is set on the eccentric bearing 450. A disc grinding bracket 433 for grinding is installed on the outer wall of the eccentric bearing sleeve 451. A centrifuge tube 430 for holding samples is installed on the disc grinding bracket 433. Specifically, an eccentric bearing pressure plate 452 for cooperating with the eccentric bearing sleeve 451 is movably connected to the eccentric bearing 450. A centrifuge tube pressure plate 431 and a hand-tightening nut 432 are set on the centrifuge tube 430. The centrifuge tube pressure plate 431 is installed on the eccentric bearing pressure plate 452 by the hand-tightening nut 432 and presses the centrifuge tube 430, so that the centrifuge tube is reliably fixed on the disc grinding bracket 433.

[0029] like Figure 6 and Figure 7 As shown, the grinding centrifuge module 400 is provided with an installation component for mounting the grinding centrifuge module 400, and the grinding centrifuge module 400 is provided with a limiting component for limiting the rotation of the centrifuge tube 430 and the disc grinding bracket 433.

[0030] like Figure 8As shown, a control system 200 for control is installed on the main body 100. The control system 200 includes a motor driver 201, a main control board 202, a switching power supply 203, a shorting terminal block 204, and a power socket 205. The motor driver 201 is fixedly connected to the left side of the outer wall of the main body 100, the main control board 202 is fixedly connected to the middle of the outer wall of the main body 100, and the switching power supply 203, the shorting terminal block 204, and the power socket 205 are fixedly connected to the right side of the outer wall of the main body 100 from high to low. The compressor refrigeration module 300 and the grinding centrifugal module 400 are connected to the main control board 202 through the shorting terminal block 204. The motor driver 201 is electrically connected to the switching power supply 203 through the main control board 202 to drive the compressor refrigeration module 300 and the grinding centrifugal module 400. The power socket 205 is connected to the power supply through the line to supply power to the compressor refrigeration module 300 and the grinding centrifugal module 400. A touch screen 206 for displaying internal information is fixedly connected to the outer wall of the other side of the outer shell 100.

[0031] like Figure 6 and Figure 7 As shown, the mounting assembly includes rubber damping columns 500, damping support columns 501, and a fixing outer ring 502. The rubber damping columns 500 are arranged in a circular pattern and fixedly connected to the opposing walls of the grinding base plate 410 and the base plate 103. The rubber damping columns 500 separate the base plate 103 and the grinding centrifugal module 400, reducing the vibration generated on the grinding centrifugal module 400. Multiple damping support columns 501 arranged in a circular pattern are fixedly connected to the bottom of the fixing outer ring 502. The fixing outer ring 502 is fixedly connected to the damping support columns 501. At the top position, a silicone damping plate 503 is provided on the top of the fixed outer ring 502. A floating inner ring 422 and a floating outer ring 423 are respectively provided on the inner ring and outer ring of the fixed outer ring 502. The silicone damping plate 503 is installed on the top of the fixed outer ring 502 through the floating outer ring 423. The floating inner ring 422 is installed on the inner ring of the silicone damping plate 503. A motor adapter plate 421 is fixedly connected to the inner wall of the floating inner ring 422 on the silicone damping plate 503. The drive motor 420 is installed at the bottom position of the motor adapter plate 421.

[0032] The limiting assembly includes a small one-way clutch 441 and a large one-way clutch 442 whose outer ring is fixedly connected to the top outer wall of the motor adapter plate 421. The bearing sleeve can only rotate in one direction and cannot rotate in the other direction. The small one-way clutch 441 is fixedly connected to the inner wall of the bearing sleeve 440 and to the outer wall of the extension shaft 424. Thus, the small one-way clutch 441 and the large one-way clutch 442 can rotate in opposite directions.

[0033] The limiting component also includes a rubber connecting piece 453. One end of the rubber connecting piece 453 is fixedly connected to the outer wall of the bearing sleeve 440. An annular pressure plate 443 and an annular rubber gasket 444 for cooperating with the bearing sleeve 440 are movably connected to the rubber connecting piece 453. The other end of the rubber connecting piece 453 is fixedly connected to the outer wall of the eccentric bearing sleeve 451. An anti-rotation rubber pressure plate 454 and an anti-rotation rubber gasket 455 for cooperating with the eccentric bearing sleeve 451 are movably connected to the rubber connecting piece 453. The rubber connecting piece 453 is made of elastic rubber. The rubber connecting piece 453 can limit the relative rotation of the bearing sleeve 440 and the eccentric bearing sleeve 451, but will not limit their relative oscillation.

[0034] like Figure 4 As shown, a rotating assembly for driving the opening and closing of the outer shell 100 is provided on the side wall of the outer shell body 100. The rotating assembly includes an outer shell cover 101 and an electric push rod 600. A hinge 601 is fixedly connected to the adjacent wall of the outer shell cover 101 and the outer shell body 100. The outer shell cover 101 is rotatably connected to the top of the outer wall of the outer shell body 100 through the hinge 601. The cross-sectional width of the outer shell cover 101 is half the width of the outer shell body 100. The outer shell body 100 and the outer shell cover 101 enclose the inner wall of the outer shell body 100 into two cavities. The grinding centrifuge module 400 is located in the cavity at the bottom of the outer cover 101. The electric push rod 600 is rotatably connected to the bottom of the side wall of the outer body 100. The top extension end of the electric push rod 600 is rotatably connected to the bottom outer wall of the outer cover 101. The outer back plate 102 is movably installed on the back of the outer body 100. The outer cover 101 can be opened and closed by controlling the extension and retraction of the electric push rod 600. The outer back plate 102 is installed on the outer body 100. The instrument can be assembled and repaired by removing the outer back plate 102.

[0035] like Figure 5 As shown, the compressor refrigeration module 300 includes a refrigeration compressor unit 301 and a refrigeration pot 302. The refrigeration compressor unit 301 is fixedly connected to the inner wall of the cavity of the outer shell 100 away from the outer shell cover 101. The refrigeration pot 302 is connected to the refrigeration compressor unit 301 and fixedly connected to the bottom cavity of the outer shell cover 101. The grinding centrifuge module 400 is disposed on the inner wall of the refrigeration pot 302. The outer layer of the refrigeration pot 302 is provided with a heat insulation layer. Specifically, the refrigeration pot 302, together with the outer shell cover 101 and the grinding centrifuge module 400, forms a closed space. The refrigeration compressor unit 301 provides sufficient refrigerant to the refrigeration pot 302, so that the refrigeration pot 302 can reach the required low temperature state, thereby forming a low temperature environment inside the refrigeration pot 302. The sample in the grinding centrifuge module 400 is placed inside the refrigeration pot 302 to achieve the low temperature effect.

[0036] By using the grinding centrifuge module 400 and the limiting components, automation is improved, thereby increasing the reliability of the experiment, reducing the labor intensity of personnel and the number of equipment used. Multiple samples can be ground simultaneously. The grinding and centrifugation functions are achieved through the forward and reverse rotation of the drive motor 420, the small one-way clutch 441, the large one-way clutch 442, and the rubber connecting plate 453, which improves the reliability of the equipment and reduces the number of parts used, thus significantly reducing the equipment cost.

[0037] like Figure 7 As shown, the bottom of the floating inner ring 422 is fixedly connected to a plurality of counterweight support columns 504 arranged in a circle. The inner wall of the grinding base plate 410 is provided with a plurality of first through holes arranged in a circle. The counterweight support columns 504 pass through the first through holes and extend to the bottom of the grinding base plate 410. The bottom end of the counterweight support column 504 is fixedly connected to a counterweight plate 411 for counterweighting. The silicone damping plate 503 is made of elastic rubber. When the drive motor 420 rotates in the forward direction for grinding, vibration is generated. The silicone damping plate 503, as a support component, can absorb some vibration but cannot reduce the occurrence of vibration. At this time, adding counterweight at a position away from the swinging component can reduce vibration and increase the distance between the counterweight plate 411 and the vibrating component so that the weight is minimized while ensuring the damping effect.

[0038] By setting the counterweight plate 411, the counterweight plate 411 is placed at a position away from the swinging parts, so that it is as light as possible while ensuring the shock absorption effect.

[0039] like Figure 7 As shown, a second through hole is provided in the grinding base plate 410, and a transport limiting post 505 is provided in the second through hole. The bottom end of the transport limiting post 505 is fixedly connected to the top outer wall of the base plate 103. The top dimension of the transport limiting post 505 is larger than the inner diameter of the second through hole, and a gap is left between the second through hole and the outer wall of the transport limiting post 505. During transportation, when the rubber shock absorber 500 deforms beyond a certain amount, the transport limiting post 505 will have a rigid collision with the grinding base plate 410, thereby protecting the rubber shock absorber 500 from damage. During normal placement and use of the equipment, since there is a gap between the grinding base plate 410 and the transport limiting post 505, the grinding base plate 410 will not collide with the transport limiting post 505 when it experiences slight vibration.

[0040] By using the rubber shock-absorbing columns 500, the grinding base plate 410, and the transport limiting columns 505 together, the equipment can be protected from damage during transportation without the need for additional fixing.

[0041] The working principle of this utility model is as follows: When grinding is required, the drive motor 420 starts rotating in the forward direction and drives the motor shaft and the extension shaft 424 to rotate. The inner ring of the small one-way clutch 441 rotates with the motor shaft, while the outer ring of the small one-way clutch 441 remains stationary under the action of the large one-way clutch 442 and the bearing sleeve 440. Since the rubber connecting piece 453 is fixedly connected to the bearing sleeve 440 and the eccentric bearing sleeve 451, the eccentric bearing sleeve 451 cannot rotate with the motor shaft, that is, the disc grinding bracket 433 cannot rotate with the motor shaft. Under the action of the extension shaft 424, the eccentric bearing 450 has a tendency to rotate, but since the eccentric bearing sleeve 451 is restricted from rotating and the two ends of the extension shaft 424 are at a certain angle, the eccentric bearing sleeve 451 and the disc grinding bracket 433 will swing in three dimensions. At this time, the centrifuge tube 430 placed on the disc grinding bracket 433 will swing along an ∞ trajectory, thereby achieving the grinding effect.

[0042] When the drive motor 420 rotates in the reverse direction, the motor shaft and the extension shaft 424 rotate with the drive motor 420. The small one-way clutch 441 locks, causing the drive motor 420 and the inner ring of the large one-way clutch 442 to rotate together. The eccentric bearing sleeve 451 and the disc grinding bracket 433 will rotate with the motor shaft under the action of the rubber connecting piece 453. At this time, the centrifuge tube 430 placed on the disc grinding bracket 433 will rotate around the motor shaft to achieve the centrifugal effect.

[0043] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A refrigerated centrifuge, comprising a main body (100), characterized in that: A compressor refrigeration module (300) is provided on one inner wall of the outer shell body (100), and a grinding centrifugal module (400) is provided on the other inner wall of the outer shell body (100). The grinding centrifugal module (400) includes a grinding base plate (410), a drive motor (420), an extension shaft (424), a bearing sleeve (440), a large one-way clutch (442), an eccentric bearing (450), a disc grinding bracket (433), and a centrifugal tube (430). The grinding base plate (410), which bears the load, is installed at the bottom. The drive motor (420), which drives the grinding, is located at the top of the grinding base plate (410). The extension shaft (424), which transmits power, rotates. The bearing sleeve (440) for connection to the output end of the drive motor (420) is mounted on the inner wall of the large one-way clutch (442), the eccentric bearing (450) for installation is set on the outer wall of the extension shaft (424), the eccentric bearing sleeve (451) is installed on the outer wall of the eccentric bearing (450), the disc grinding bracket (433) for grinding is installed on the outer wall of the eccentric bearing sleeve (451), and the centrifuge tube (430) for holding the sample is installed on the disc grinding bracket (433). The grinding centrifugal module (400) is provided with an installation component for installation in conjunction with the grinding centrifugal module (400), and the grinding centrifugal module (400) is provided with a limiting component for limiting the rotation of the centrifugal tube (430) and the disc grinding bracket (433). The outer casing (100) is equipped with a control system (200) for control.

2. The refrigerated centrifuge grinder according to claim 1, characterized in that: The mounting assembly includes rubber damping columns (500), damping support columns (501), and a fixing outer ring (502). The rubber damping columns (500) are arranged in a circle and fixedly connected to the opposing walls of the grinding base plate (410) and the base plate (103). The bottom of the fixing outer ring (502) is fixedly connected to the damping support columns (501), and the fixing outer ring (502) is fixedly connected to the top of the damping support columns (501). A silicone damping plate (503) is provided on the top of the fixing outer ring (502). A floating inner ring (422) and a floating outer ring (423) are respectively provided on the inner ring and outer ring of the fixed outer ring (502). The silicone damping plate (503) is installed on the top of the fixed outer ring (502) through the floating outer ring (423). The floating inner ring (422) is installed on the inner ring of the silicone damping plate (503). A motor adapter plate (421) is fixedly connected to the inner wall of the floating inner ring (422) on the silicone damping plate (503). The drive motor (420) is installed at the bottom of the motor adapter plate (421).

3. The refrigerated centrifuge grinder according to claim 1, characterized in that: The limiting assembly includes a small one-way clutch (441), a large one-way clutch (442) whose outer ring is fixedly connected to the top outer wall of the motor adapter plate (421), a small one-way clutch (441) whose inner wall is fixedly connected to the bearing sleeve (440), and a small one-way clutch (441) whose outer ring is fixedly connected to the outer wall of the extension shaft (424).

4. The refrigerated centrifuge grinder according to claim 3, characterized in that: The limiting component also includes a rubber connecting piece (453), one end of which is fixedly connected to the outer wall of the bearing sleeve (440), and the other end of which is fixedly connected to the outer wall of the eccentric bearing sleeve (451).

5. The refrigerated centrifuge grinder according to claim 1, characterized in that: The outer shell body (100) is provided with a rotating assembly on its side wall for driving the outer shell body (100) to open and close. The rotating assembly includes an outer shell cover (101) and an electric push rod (600). The outer shell cover (101) is rotatably connected to the top of the outer wall of the outer shell body (100), and the electric push rod (600) is rotatably connected to the bottom of the side wall of the outer shell body (100). The electric push rod (600) is rotatably connected to the bottom outer wall of the outer shell cover (101). An outer shell back plate (102) is movably installed on the back of the outer shell body (100).

6. The refrigerated centrifuge grinder according to claim 1, characterized in that: The compressor refrigeration module (300) includes a refrigeration compressor unit (301) and a refrigeration pot (302). The refrigeration compressor unit (301) is fixedly connected to the inner wall of the outer shell body (100). The refrigeration pot (302) is connected to the refrigeration compressor unit (301) and fixedly connected to the bottom of the outer shell cover (101). The grinding centrifugal module (400) is set on the inner wall of the refrigeration pot (302).

7. The refrigerated centrifuge grinder according to claim 2, characterized in that: The bottom of the floating inner ring (422) is fixedly connected to a counterweight support column (504), which extends to the bottom of the grinding base plate (410). The bottom end of the counterweight support column (504) is fixedly connected to a counterweight plate (411) for counterweighting.

8. The refrigerated centrifuge grinder according to claim 2, characterized in that: The grinding base plate (410) has a second through hole, and a transport limiting post (505) is provided in the second through hole. The bottom end of the transport limiting post (505) is fixedly connected to the top outer wall of the base plate (103).

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