Low-temperature centrifugal separation device

Abstract

The utility model discloses a low-temperature centrifugal separation device which comprises a machine body, a centrifugal cavity and an isolation cavity are formed in the machine body, a movable centrifugal mechanism is arranged between the isolation cavity and the centrifugal cavity, an operation button is arranged on the machine body, and a protection mechanism is arranged on one side of the operation button. The movable centrifugal mechanism comprises two movable heat insulation plates and guide sliding rails, the ends of the two movable heat insulation plates are fixedly connected with connecting shafts, and the top ends of the two connecting shafts are fixedly connected with worm wheels. According to the low-temperature centrifugal separation device, a movable heat insulation plate is opened through a first motor, then a second motor enables materials to enter an isolation cavity from a low-temperature centrifugal cavity, then the movable heat insulation plate is closed to separate the centrifugal cavity from the isolation cavity, the materials are conveyed to the isolation cavity from the centrifugal cavity in the closed state, and the materials are taken and placed in the isolation cavity; therefore, a large amount of cold air loss caused by frequent opening can be prevented, refrigeration energy consumption is reduced, and use cost is effectively reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of low-temperature centrifugation, in particular to a low-temperature centrifugal separation device. Background Art

[0002] The low-temperature centrifuge uses an internal refrigeration system to cool the interior cavity to the low-temperature requirement. In the prior art, the low-temperature centrifuge needs to be opened frequently when performing multiple centrifugal operations, causing a large amount of internal cold air to be lost. The refrigeration system works frequently, increasing energy consumption and increasing the cost of use.

[0003] For example, patent publication number CN220531919U specifically discloses a low-temperature centrifuge that is convenient for heat dissipation, including a support plate, support columns are welded at the four corners of the upper surface of the support plate, a low-temperature centrifuge is fixedly installed on the support column, a centrifugal mechanism is arranged on the right side of the interior of the low-temperature centrifuge, a cooling mechanism is arranged on the left side of the interior of the low-temperature centrifuge, a conveying mechanism is connected between the cooling mechanism and the centrifugal mechanism, the cooling mechanism comprises a condenser installed on the left side surface of the interior of the low-temperature centrifuge and a through groove opened on the left side of the lower surface of the low-temperature centrifuge, during the use of the low-temperature centrifuge, water mist is continuously sprayed on the surface of the condenser through a nozzle, the heat generated by the condenser can be processed, the water mist that has been cooled by the condenser is finally returned to the water tank through the through groove and the recovery port, the water resources can be effectively reused, and resources can be saved, but there is a problem that when this low-temperature centrifuge performs multiple centrifugal operations, it is necessary to frequently open the body, so that a large amount of cold air inside is lost, the refrigeration system works frequently, and energy consumption is increased, and the use cost is increased. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a low-temperature centrifugal separation device, which solves the problem that when a low-temperature centrifuge is performing multiple centrifugal operations, the body needs to be opened frequently, resulting in a large amount of internal cold air loss, frequent operation of the refrigeration system, increased energy consumption, and increased use costs.

[0005] To achieve the above objectives, the utility model is implemented through the following technical solutions: a low-temperature centrifugal separation device, including a body, a centrifugal chamber and an isolation chamber are arranged inside the body, a movable centrifugal mechanism is arranged between the isolation chamber and the centrifugal chamber, an operation button is arranged on the body, and a protective mechanism is arranged on one side of the operation button;

[0006] The movable centrifugal mechanism comprises two movable heat insulation plates and guide rails, the ends of the two movable heat insulation plates are fixedly connected to connecting shafts, the tops of the two connecting shafts are fixedly connected to worm wheels, one side of the two worm wheels is provided with a worm, the end of the worm is fixedly connected to a first motor, the ends of the two movable heat insulation plates are fixedly connected to sealing strips, a movable screw is rotatably connected inside the guide rails, the end of the movable screw is fixedly connected to a second motor, a guide slider is threadedly connected to the movable screw, the top of the guide slider is fixedly connected to a movable seat, a support wheel is installed on the movable seat, a driving seat and a positioning socket are provided on the top of the movable seat, the bottom end of the driving seat is fixedly connected to a centrifugal motor, an outer cylinder is provided on the top of the movable seat, the bottom end of the outer cylinder is fixedly connected to a positioning plug, a centrifugal cylinder is rotatably connected inside the outer cylinder, and the bottom end of the centrifugal cylinder is fixedly connected to a connecting square shaft.

[0007] Preferably, the guide rails are fixedly installed inside the machine body, and the guide rails are arranged at the bottom of the two movable heat insulation plates, so that the two guide rails will not hinder the rotation of the movable heat insulation plates.

[0008] Preferably, the worm wheel is meshed with the worm, and the output shaft end of the first motor is drivingly connected to the two connecting shafts through the worm and the worm wheel, so that the first motor can drive the two connecting shafts to rotate.

[0009] Preferably, the guide slider is slidably connected to the guide rail, and the movable seat is in contact with the inner bottom surface of the body through the support wheel, which can play a good guiding role in the movement of the movable seat and make the movable seat easier to move.

[0010] Preferably, an elastic protrusion is fixedly connected to the positioning rod, and the positioning rod matches the positioning socket, so that the positioning rod can be inserted into the positioning socket and can be snapped with the elastic protrusion to facilitate fixing the outer cylinder.

[0011] Preferably, the bottom end of the connecting square shaft is penetrated by the outer cylinder, and the connecting square shaft is plug-connected with the driving seat, so that after the connecting square shaft is inserted into the driving seat, it can rotate synchronously with the rotation of the driving seat.

[0012] Preferably, the protective mechanism includes two movable slide rails, which are respectively arranged on the top and bottom sides of the operating button. A protective cover is slidably connected to the two movable slide rails, and a push block is fixedly connected to the end of the protective cover, which can protect the operating button and avoid misoperation.

[0013] The utility model provides a low-temperature centrifugal separation device. Compared with the prior art, it has the following beneficial effects:

[0014] 1. The low-temperature centrifugal separation device opens the movable heat insulation plate through the first motor, and then the second motor moves the material from the low-temperature centrifugal chamber into the isolation chamber, and then the movable heat insulation plate is closed, and the centrifugal chamber and the isolation chamber are separated again with the sealing strip, and the material is sent from the centrifugal chamber to the isolation chamber in the closed state, and the material is taken and placed from the isolation chamber, thereby preventing frequent opening and causing a large loss of cold air, reducing refrigeration energy consumption, and effectively reducing the cost of use.

[0015] 2. The low-temperature centrifugal separation device pushes the push block, and the push block moves to drive the protective cover to move along the movable slide rail, so that the protective cover covers the operating button, which can protect the operating button and avoid misoperation. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the structure of the movable centrifugal mechanism of the utility model;

[0018] Figure 3 This is a schematic diagram of the structure of the outer cylinder and the movable seat of the utility model;

[0019] Figure 4 It is a schematic diagram of the structure of the protection mechanism of the utility model.

[0020] In the figure: 1. body; 2. movable centrifugal mechanism; 201. movable heat insulation board; 202. connecting shaft; 203. worm gear; 204. worm; 205. first motor; 206. sealing strip; 207. guide slide rail; 208. movable screw; 209. second motor; 210. guide slider; 211. movable seat; 212. supporting wheel; 213. driving seat; 214. positioning socket; 215. outer cylinder; 216. centrifugal cylinder; 217. connecting square shaft; 218. positioning plug rod; 3. centrifugal chamber; 4. isolation chamber; 5. operation button; 6. protection mechanism; 601. movable slide rail; 602. protective cover; 603. push block. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in 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 in 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.

[0022] See also Figure 1-3The utility model provides a technical solution: a low-temperature centrifugal separation device, including a body 1, a centrifugal chamber 3 and an isolation chamber 4 are arranged inside the body 1, the temperature inside the centrifugal chamber 3 is cooled by a refrigeration system, so that low-temperature centrifugation can be performed inside the centrifugal chamber 3, and materials can be taken and placed in the isolation chamber 4, a movable centrifugal mechanism 2 is arranged between the isolation chamber 4 and the centrifugal chamber 3, an operation button 5 is arranged on the body 1, and a protective mechanism 6 is arranged on one side of the operation button 5, the centrifugal chamber 3 and the isolation chamber 4 can be separated by the movable centrifugal mechanism 2, and the material can be sent from the centrifugal chamber 3 to the isolation chamber 4 in a closed state, and then the material can be taken and placed from the isolation chamber 4, so as to prevent a large amount of cold air loss caused by frequent opening, reduce refrigeration energy consumption, and effectively reduce the use cost.

[0023] The movable centrifugal mechanism 2 includes two movable heat insulation plates 201 and guide rails 207. The two movable heat insulation plates 201 can prevent cold air from entering the isolation chamber 4. The guide rails 207 are fixedly installed inside the machine body 1. The guide rails 207 are arranged at the bottom of the two movable heat insulation plates 201, so that the two guide rails 207 will not hinder the rotation of the movable heat insulation plates 201. The ends of the two movable heat insulation plates 201 are fixedly connected with connecting shafts 202. The tops of the two connecting shafts 202 are fixedly connected with worm gears 203. A worm 204 is provided on one side of the two worm gears 203. The worm 204 is rotatably connected to the inner wall of the machine body 1. The end of the worm 204 is fixedly connected with a first motor 205. The worm wheel 203 is meshed with the worm 204, and the output shaft end of the first motor 205 is connected to the two connecting shafts 202 through the worm 204 and the worm wheel 203, so that the first motor 205 can drive the two connecting shafts 202 to rotate, and can use the self-locking function of the worm 204 and the worm wheel 203 to lock the two movable insulation boards 201 to improve stability. The ends of the two movable insulation boards 201 are fixedly connected with sealing strips 206, and the sealing strips 206 can be used to improve air tightness and reduce cold air loss. The guide rail 207 is internally rotatably connected with a moving screw 208, and the end of the moving screw 208 is fixedly connected to a second motor 209, and the thread on the moving screw 208 A guide slider 210 is connected, a moving seat 211 is fixedly connected to the top of the guide slider 210, a support wheel 212 is installed on the moving seat 211, the guide slider 210 is slidably connected to the guide rail 207, and the moving seat 211 contacts the inner bottom surface of the body 1 through the support wheel 212, which can play a good guiding role in the movement of the moving seat 211 and make the moving seat 211 easier to move. A driving seat 213 and a positioning socket 214 are arranged on the top of the moving seat 211, and a centrifugal motor is fixedly connected to the bottom end of the driving seat 213. An outer cylinder 215 is arranged on the top of the moving seat 211, and a positioning plug rod 218 is fixedly connected to the bottom end of the outer cylinder 215. It is fixedly connected with an elastic protrusion, and the positioning rod 218 matches the positioning hole 214, so that the positioning rod 218 can be inserted into the positioning hole 214 and can be clamped by the elastic protrusion, which is convenient for fixing the outer cylinder 215 and can facilitate the replacement of the outer cylinder 215 and the centrifugal cylinder 216. The outer cylinder 215 is rotatably connected with the centrifugal cylinder 216, and the bottom end of the centrifugal cylinder 216 is fixedly connected with a connecting square shaft 217, the bottom end of the connecting square shaft 217 is penetrated by the outer cylinder 215, and the connecting square shaft 217 is plugged with the driving seat 213, so that after the connecting square shaft 217 is inserted into the driving seat 213, it can rotate synchronously with the rotation of the driving seat 213.

[0024] See also Figure 1 and Figure 4The protection mechanism 6 includes two movable slide rails 601, which are respectively arranged on the top and bottom sides of the operation button 5. The two movable slide rails 601 are slidably connected with a protective cover 602, and a pushing block 603 is fixedly connected to the end of the protective cover 602. The pushing block 603 can be pushed, and the pushing block 603 moves to drive the protective cover 602 to move along the movable slide rails 601, so that the protective cover 602 covers the operation button 5, which can protect the operation button 5 and avoid misoperation.

[0025] During operation, the first motor 205 drives the worm 204 to rotate, the rotation of the worm 204 drives the worm wheel 203 to rotate, the rotation of the worm wheel 203 drives the connecting shaft 202 to rotate, the rotation of the connecting shaft 202 drives the movable heat insulation board 201 to rotate, and the movable heat insulation board 201 is opened. Then the second motor 209 drives the moving screw 208 to rotate, the movement of the moving screw 208 drives the guide slider 210 to move, the movement of the guide slider 210 drives the moving seat 211 to move, and the material enters the isolation chamber 4 from the low-temperature centrifugal chamber 3, and then the movable heat insulation board 201 is closed, and the sealing strip 206 is used to separate the centrifugal chamber 3 and the isolation chamber 4 again, and the material is sent from the centrifugal chamber 3 to the isolation chamber 4 in the closed state, and the material is taken and placed from the isolation chamber 4, thereby preventing frequent opening from causing a large loss of cold air, reducing refrigeration energy consumption, and effectively reducing the cost of use.

[0026] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

Claims

1. A low temperature centrifugal separation device, comprising a body (1), characterized in that: The machine body (1) is provided with a centrifugal chamber (3) and an isolation chamber (4) inside, a movable centrifugal mechanism (2) is provided between the isolation chamber (4) and the centrifugal chamber (3), an operating button (5) is provided on the machine body (1), and a protective mechanism (6) is provided on one side of the operating button (5); The movable centrifugal mechanism (2) comprises two movable heat insulation plates (201) and a guide rail (207); the ends of the two movable heat insulation plates (201) are fixedly connected to a connecting shaft (202); the tops of the two connecting shafts (202) are fixedly connected to a worm gear (203); one side of the two worm gears (203) is provided with a worm (204); the end of the worm gear (204) is fixedly connected to a first motor (205); the ends of the two movable heat insulation plates (201) are fixedly connected to a sealing strip (206); a movable screw (208) is rotatably connected inside the guide rail (207); the end of the movable screw (208) is fixedly connected to a second motor (209); A guide slider (210) is threadedly connected to the movable screw rod (208); a movable seat (211) is fixedly connected to the top of the guide slider (210); a support wheel (212) is mounted on the movable seat (211); a driving seat (213) and a positioning socket (214) are provided on the top of the movable seat (211); a centrifugal motor is fixedly connected to the bottom of the driving seat (213); an outer cylinder (215) is provided on the top of the movable seat (211); a positioning plug rod (218) is fixedly connected to the bottom of the outer cylinder (215); a centrifugal cylinder (216) is rotatably connected to the inside of the outer cylinder (215); and a connecting square shaft (217) is fixedly connected to the bottom of the centrifugal cylinder (216).

2. A low temperature centrifugal separation device according to claim 1, characterized in that: The guide rail (207) is fixedly mounted inside the machine body (1), and the guide rail (207) is arranged at the bottom of two movable heat insulation plates (201).

3. A low temperature centrifugal separation device according to claim 1, characterized in that: The worm wheel (203) is meshed with the worm (204), and the output shaft end of the first motor (205) is transmission-connected to the two connecting shafts (202) via the worm (204) and the worm wheel (203).

4. A low temperature centrifugal separation device according to claim 1, characterized in that: The guide slide block (210) is slidably connected to the guide slide rail (207), and the movable seat (211) is in contact with the inner bottom surface of the machine body (1) via the support wheel (212).

5. A low temperature centrifugal separation device according to claim 1, characterized in that: An elastic protrusion is fixedly connected to the positioning rod (218), and the positioning rod (218) matches the positioning hole (214).

6. A low temperature centrifugal separation device according to claim 1, characterized in that: The bottom end of the connecting square shaft (217) and the outer cylinder (215) are intersected, and the connecting square shaft (217) and the driving seat (213) are plugged into each other.

7. A low temperature centrifugal separation device according to claim 1, characterized in that: The protection mechanism (6) comprises two movable slide rails (601), and the two movable slide rails (601) are respectively arranged on both sides of the top and bottom of the operation button (5).

8. A low temperature centrifugal separation device according to claim 7, characterized in that: The two movable slide rails (601) are slidably connected to protective covers (602), and the ends of the protective covers (602) are fixedly connected to push blocks (603).

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