Sample transfer device

Abstract

The utility model relates to the technical field of transfer equipment, in particular to a sample transfer device, and aims to solve the problem that the stroke of the conventional sample transfer device is insufficient due to the space limitation of a transfer bin. In order to achieve the purpose, the sample transfer device comprises a support, a base, a driving assembly and a transfer assembly, the support is provided with a transfer bin, the base is arranged in the transfer bin, the driving assembly comprises a first transmission plate, a second transmission plate and a third transmission plate, the first transmission plate is arranged on the base in a sliding mode, and the second transmission plate is arranged on the first transmission plate in a sliding mode. The third transmission plate is arranged on the second transmission plate in a sliding mode, the first transmission plate, the second transmission plate and the third transmission plate synchronously slide in the same direction, the transmission assembly is arranged on the third transmission plate and used for transmitting samples, and the transmission assembly achieves the quadruple stroke relative to the base through the driving assembly. The sample transfer device provided by the utility model can realize long-stroke transportation in a limited space of the transfer bin, and is suitable for more samples.

Description

Technical Field

[0001] The utility model relates to the technical field of transport equipment, and specifically provides a sample transfer device. Background Art

[0002] A biobank is a large device used to store important biological samples at low temperatures for a long time. The biobank is kept in a constant temperature and humidity environment for a long time. It is necessary to minimize the impact of the temperature and humidity in the environment outside the biobank on the samples in the bank. The samples are usually placed in special containers such as transfer tanks, and then stored in and transferred out of the bank through a transfer device.

[0003] At present, the sample storage room is usually a clean room and needs to be sealed from the operation room. However, the samples need to be stored in the storage room after being processed in the operation room. In order to ensure the cleanliness of the transfer device, the transfer device is usually placed in a closed transfer warehouse when not transferring. Due to the limited space in the transfer warehouse, this will cause the transfer device to have insufficient travel. The insufficient travel of the transfer device can easily limit the transported samples, thereby increasing the limitations of the transfer device.

[0004] Accordingly, the art needs a new transmission device to solve the above problems. Utility Model Content

[0005] The utility model aims to solve the above-mentioned technical problem, that is, to solve the problem that the existing sample transfer device has insufficient stroke due to the space limitation of the transfer bin. To this end, the utility model provides a sample transfer device, the sample transfer device includes a bracket, a base, a drive assembly and a transfer assembly, the bracket has a transfer bin, the base is arranged in the transfer bin, the drive assembly includes a first transmission plate, a second transmission plate and a third transmission plate, the first transmission plate is slidably arranged on the base, the second transmission plate is slidably arranged on the first transmission plate, the third transmission plate is slidably arranged on the second transmission plate, the first transmission plate, the second transmission plate and the third transmission plate all slide synchronously in the same direction, the transfer assembly is arranged on the third transmission plate and is used to transfer samples, and the transfer assembly achieves four times the stroke relative to the base with the help of the drive assembly.

[0006] In a specific embodiment of the above-mentioned sample transfer device, the driving assembly also includes a driver, a first transmission assembly, a second transmission assembly and a third transmission assembly. The driver is arranged in the transfer chamber and the driving end is connected to the first transmission assembly, the first transmission assembly is arranged between the base and the first transmission plate, the second transmission assembly is arranged between the first transmission plate and the second transmission plate, and the third transmission assembly is arranged between the second transmission plate and the third transmission plate.

[0007] In a specific embodiment of the above-mentioned sample transfer device, the first transmission assembly includes a first gear and a first rack, the first gear is arranged on the driving end of the driver, the first rack is arranged on the first transmission plate, and the first gear is meshingly connected with the first rack.

[0008] In a specific embodiment of the above-mentioned sample transfer device, the first transmission assembly also includes a first guide rail and a first slider, the first guide rail is arranged on the base, the first slider is arranged on the first transmission plate, and the sliding direction of the first slider on the first guide rail is consistent with the sliding direction of the first transmission plate.

[0009] In a specific embodiment of the above-mentioned sample transfer device, the second transmission assembly includes a second main rack, a second auxiliary rack and a second gear, the second main rack is arranged on the second transmission plate, the second auxiliary rack is arranged on the base, the second gear is rotatably arranged on the first transmission plate, and the second gear is simultaneously meshed with the second main rack and the second auxiliary rack.

[0010] In a specific embodiment of the above-mentioned sample transfer device, the second transmission assembly also includes a second guide rail and a second slider, the second guide rail is arranged on the second transmission plate, the second slider is arranged on the first transmission plate, and the sliding direction of the second slider on the second guide rail is consistent with the sliding direction of the second transmission plate.

[0011] In a specific embodiment of the above-mentioned sample transfer device, the third transmission assembly includes a chain, a sprocket, a first transmission block and a second transmission block, the number of the sprockets is two and they are respectively arranged at the first end and the second end of the second transmission plate, the first end and the second end are symmetrical ends on the second transmission plate, the chain is respectively connected to the two sprockets, the first transmission block and the second transmission block are both arranged on the chain, the first transmission block is connected to the second transmission plate, and the second transmission block is connected to the third transmission plate.

[0012] In a specific embodiment of the above-mentioned sample transfer device, the third transmission assembly also includes a third guide rail and a third slider, the third guide rail is arranged on the second transmission plate, the third slider is arranged on the third transmission plate, and the sliding direction of the third slider on the third guide rail is consistent with the sliding direction of the third transmission plate.

[0013] In a specific embodiment of the above-mentioned sample transfer device, the transfer component includes a frame, a supporting plate, a transfer belt, a transfer active roller and a transfer driven roller, the frame is connected to the third transmission plate, the transfer active roller and the transfer driven roller are both rotatably arranged on the frame, the transfer belt maintains contact with the transfer active roller and the transfer driven roller at the same time, and the supporting plate is arranged on the transfer belt and is used to provide support force for the sample on the transfer belt.

[0014] In a specific embodiment of the above-mentioned sample transfer device, the sample transfer device also includes a sliding door and a power assembly, the sliding door is slidably arranged on the bracket, the sliding door is two and respectively arranged at the entrance and exit of the transfer warehouse, the power assembly is arranged on the bracket and is used to provide power for the sliding door; the power assembly includes a power mechanism, a belt drive mechanism and a transmission body, the power mechanism is arranged on the bracket and is used to provide power to the belt drive mechanism, the belt drive mechanism is arranged on the bracket, and the transmission body is simultaneously connected to the sliding door and the transmission belt in the belt drive mechanism.

[0015] The sample transfer device provided by the utility model has the following beneficial effects: the sample transfer device comprises a support, a base, a driving assembly and a transfer assembly. The support has a transfer chamber, and the transfer chamber is used for sample transfer, that is, the sample will pass through the transfer chamber during the transfer process. The base is arranged in the transfer chamber, the driving assembly is arranged on the base, the transfer assembly is arranged on the driving end of the driving assembly, the driving assembly is used to realize the reciprocating linear movement of the transfer assembly, and the transfer assembly is used to realize the transfer of the sample. The driving assembly comprises a first transmission plate, a second transmission plate and a third transmission plate, the first transmission plate is slidably arranged on the base, the second transmission plate is slidably arranged on the first transmission plate, the third transmission plate is slidably arranged on the second transmission plate, and the transfer assembly is arranged on the third transmission plate. When the first transmission plate slides on the base, the second transmission plate and the third transmission plate will slide synchronously, and the sliding direction is the same. Since the third transmission plate will slide on the second transmission plate, and the second transmission plate will slide on the first transmission plate, relative to the base that does not move, the third transmission plate realizes four times the stroke, thereby realizing four times the stroke of the transfer assembly. Since the sample is set on the transfer assembly and moves synchronously with the transfer assembly, the sample can eventually achieve four times the travel distance. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings, in which:

[0017] Figure 1 It is a schematic diagram of the overall structure of the sample transfer device provided by the utility model;

[0018] Figure 2 yes Figure 1 A schematic diagram at another angle;

[0019] Figure 3 yes Figure 1 Schematic diagram after hiding part of the support structure;

[0020] Figure 4 yes Figure 3 A schematic diagram at another angle;

[0021] Figure 5 It is a structural schematic diagram of the drive assembly provided by the utility model;

[0022] Figure 6 yes Figure 5 Schematic diagram at another angle.

[0023] In the figure: 1, bracket; 101, transfer bin; 2, base; 3, driving assembly; 301, first transmission plate; 302, second transmission plate; 303, third transmission plate; 304, driver; 305, first gear; 306, first rack; 307, first guide rail; 308, first slider; 309, second main rack; 310, second secondary rack; 311, second gear; 312, second guide rail; 313, second slider; 314, chain; 315, sprocket; 316, first transmission block; 317, second transmission block; 318, third guide rail; 319, third slider; 4, transmission assembly; 401, frame; 402, bearing plate; 403, transmission belt; 404, transmission active roller; 405, transmission driven roller; 5, sliding door; 6, power assembly; 601, power mechanism; 602, belt transmission mechanism; 603, transmission body. DETAILED DESCRIPTION

[0024] It should be noted that in the description of the present invention, the terms "upper", "lower", "left", "right", "inner", "outer", etc. indicating directions or positional relationships are based on the directions or positional relationships shown in the drawings, which are only for the convenience of description, and do not indicate or imply that the relevant devices or components must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, ordinal numbers such as "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0025] In addition, it should be noted that in the description of the present invention, unless otherwise clearly specified and limited, the terms "installation" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0026] like Figures 1 to 6 As shown, the utility model proposes a sample transfer device, which includes a bracket 1, a base 2, a driving assembly 3 and a transfer assembly 4. The bracket 1 has a transfer chamber 101, the base 2 is arranged in the transfer chamber 101, the driving assembly 3 includes a first transmission plate 301, a second transmission plate 302 and a third transmission plate 303, the first transmission plate 301 is slidably set on the base 2, the second transmission plate 302 is slidably set on the first transmission plate 301, and the third transmission plate 303 is slidably set on the second transmission plate 302. The first transmission plate 301, the second transmission plate 302 and the third transmission plate 303 all slide synchronously in the same direction, the transfer assembly 4 is arranged on the third transmission plate 303 and is used to transfer samples, and the transfer assembly 4 achieves four times the stroke relative to the base 2 with the help of the driving assembly 3.

[0027] In this embodiment, the sample transfer device includes a support 1, a base 2, a drive assembly 3 and a transfer assembly 4. The support 1 has a transfer chamber 101, and the transfer chamber 101 is used for sample transfer, that is, the sample will pass through the transfer chamber 101 during the transfer process. The base 2 is arranged in the transfer chamber 101, the drive assembly 3 is arranged on the base 2, and the transfer assembly 4 is arranged on the driving end of the drive assembly 3. The drive assembly 3 is used to realize the reciprocating linear movement of the transfer assembly 4, and the transfer assembly 4 is used to realize the transfer of the sample. The drive assembly 3 includes a first transmission plate 301, a second transmission plate 302 and a third transmission plate 303. The first transmission plate 301 is slidably arranged on the base 2, the second transmission plate 302 is slidably arranged on the first transmission plate 301, the third transmission plate 303 is slidably arranged on the second transmission plate 302, and the transfer assembly 4 is arranged on the third transmission plate 303. When the first transmission plate 301 slides on the base 2, the second transmission plate 302 and the third transmission plate 303 will slide synchronously, and the sliding directions are the same. Since the third transmission plate 303 slides on the second transmission plate 302, and the second transmission plate 302 slides on the first transmission plate 301, the third transmission plate 303 achieves a four-fold stroke relative to the base 2 that does not move, thereby achieving a four-fold stroke of the transmission component 4. Since the sample is set on the transmission component 4 and moves synchronously with the transmission component 4, the sample can finally achieve a four-fold stroke.

[0028] Further, if Figure 5 and Figure 6As shown, the driving assembly 3 also includes a driver 304, a first transmission assembly, a second transmission assembly and a third transmission assembly. The driver 304 is arranged in the transfer warehouse 101 and the driving end is connected to the first transmission assembly. The first transmission assembly is arranged between the base 2 and the first transmission plate 301, the second transmission assembly is arranged between the first transmission plate 301 and the second transmission plate 302, and the third transmission assembly is arranged between the second transmission plate 302 and the third transmission plate 303.

[0029] In this embodiment, the driving assembly 3 also includes a driver 304, a first transmission assembly, a second transmission assembly and a third transmission assembly. The driver 304 is arranged in the transfer warehouse 101, the first transmission assembly is arranged between the base 2 and the first transmission plate 301, and the driving end of the driver 304 is connected to the first transmission assembly. The driver 304 provides power, and the first transmission assembly transfers the power to the first transmission plate 301 to achieve the sliding of the first transmission plate 301; the second transmission assembly is arranged between the first transmission plate 301 and the second transmission plate 302, and the second transmission assembly transfers the power on the first transmission plate 301 to the second transmission plate 302 to achieve the sliding of the second transmission plate 302; the third transmission assembly is arranged between the second transmission plate 302 and the third transmission plate 303, and the third transmission assembly transfers the power on the second transmission plate 302 to the third transmission plate 303 to achieve the sliding of the third transmission plate 303.

[0030] Further, if Figure 5 and Figure 6 As shown, the first transmission assembly includes a first gear 305 and a first rack 306 . The first gear 305 is disposed on the driving end of the driver 304 , and the first rack 306 is disposed on the first transmission plate 301 . The first gear 305 is meshedly connected with the first rack 306 .

[0031] In this embodiment, the first transmission assembly includes a first gear 305 and a first rack 306. The first gear 305 is arranged on the driving end of the driver 304. The driver 304 can be selected as a motor. The first gear 305 is arranged on the output shaft of the motor, and the first rack 306 is arranged on the first transmission plate 301. The first rack 306 is meshed with the first gear 305. The driver 304 transmits power to the first transmission plate 301 by means of the meshing relationship between the first gear 305 and the first rack 306, thereby realizing the sliding of the first transmission plate 301 relative to the base 2.

[0032] Further, if Figure 5 and Figure 6As shown, the first transmission assembly also includes a first guide rail 307 and a first slider 308. The first guide rail 307 is arranged on the base 2, and the first slider 308 is arranged on the first transmission plate 301. The sliding direction of the first slider 308 on the first guide rail 307 is consistent with the sliding direction of the first transmission plate 301.

[0033] In this embodiment, in order to improve the stability of the first transmission plate 301 during the sliding process, the first transmission assembly also includes a first guide rail 307 and a first slider 308. The first slider 308 is slidably set on the first guide rail 307. The first guide rail 307 is set on the base 2. The first slider 308 is set on the first transmission plate 301. The sliding direction of the first slider 308 is consistent with the sliding direction of the first transmission plate 301.

[0034] Further, if Figure 5 and Figure 6 As shown, the second transmission assembly includes a second main rack 309, a second auxiliary rack 310 and a second gear 311. The second main rack 309 is arranged on the second transmission plate 302, the second auxiliary rack 310 is arranged on the base 2, and the second gear 311 is rotatably arranged on the first transmission plate 301. The second gear 311 is simultaneously meshed and connected with the second main rack 309 and the second auxiliary rack 310.

[0035] In this embodiment, the second transmission assembly includes a second main rack 309, a second auxiliary rack 310 and a second gear 311. The second main rack 309 is arranged on the second transmission plate 302, the second auxiliary rack 310 is arranged on the base 2, the second gear 311 is rotatably arranged on the first transmission plate 301, the second gear 311 is rotatably arranged on the first transmission plate 301, and the rotation axis of the second gear 311 is completely perpendicular to the sliding direction of the first transmission plate 301. The second gear 311 is meshed with the second main rack 309 and the second auxiliary rack 310 at the same time, so that the second transmission assembly can not only transmit the power on the first transmission plate 301 to the second transmission plate 302, but also realize the synchronous sliding of the first transmission plate 301 and the second transmission plate 302.

[0036] It should be specially noted that a through hole is opened on the first transmission plate 301, and then the rotating shaft of the second gear 311 is rotationally connected to the inner wall of the through hole, and the second gear 311 is protruded from the upper and lower surfaces of the through hole.

[0037] Further, if Figure 5 and Figure 6 As shown, the second transmission assembly also includes a second guide rail 312 and a second slider 313. The second guide rail 312 is arranged on the second transmission plate 302, and the second slider 313 is arranged on the first transmission plate 301. The sliding direction of the second slider 313 on the second guide rail 312 is consistent with the sliding direction of the second transmission plate 302.

[0038] In this embodiment, in order to achieve stable sliding of the second transmission plate 302, the second transmission assembly also includes a second guide rail 312 and a second slider 313. The second slider 313 is slidably set on the second guide rail 312. The second guide rail 312 is set on the second transmission plate 302. The second slider 313 is set on the first transmission plate 301. The sliding direction of the second slider 313 on the second guide rail 312 is consistent with the sliding direction of the second transmission plate 302.

[0039] It should be specially noted that the second guide rail 312 and the second slider 313 mentioned above are not sliders and guide rails in a strict sense, but two structures that can slide relative to each other and carry external objects.

[0040] Further, if Figure 5 and Figure 6 As shown, the third transmission assembly includes a chain 314, a sprocket 315, a first transmission block 316 and a second transmission block 317. There are two sprockets 315 and they are respectively arranged at the first end and the second end of the second transmission plate 302. The first end and the second end are symmetrical ends on the second transmission plate 302. The chain 314 is respectively connected to the two sprockets 315. The first transmission block 316 and the second transmission block 317 are both arranged on the chain 314. The first transmission block 316 is connected to the second transmission plate 302, and the second transmission block 317 is connected to the third transmission plate 303.

[0041] In this embodiment, the third transmission assembly includes a chain 314, a sprocket 315, a first transmission block 316 and a second transmission block 317. There are two sprockets 315, and the two sprockets 315 are rotatably arranged on the symmetrical ends of the second transmission plate 302. The chain 314 is respectively connected to the two sprockets 315, and the first transmission block 316 and the second transmission block 317 are both arranged on the chain 314. Among them, the first transmission block 316 is connected to the second transmission plate 302, and the second transmission block 317 is connected to the third transmission plate 303. This arrangement can transmit the power on the second transmission plate 302 to the third transmission plate 303, and can also achieve synchronous sliding in the same direction.

[0042] Further, if Figure 5 and Figure 6 As shown, the third transmission assembly also includes a third guide rail 318 and a third slider 319. The third guide rail 318 is arranged on the second transmission plate 302, and the third slider 319 is arranged on the third transmission plate 303. The sliding direction of the third slider 319 on the third guide rail 318 is consistent with the sliding direction of the third transmission plate 303.

[0043] In this embodiment, in order to achieve stable sliding of the third transmission plate 303, the third transmission assembly also includes a third guide rail 318 and a third slider 319. The third guide rail 318 is arranged on the second transmission plate 302, and the third slider 319 is arranged on the third transmission plate 303. The third slider 319 is slidably arranged on the third guide rail 318, and the sliding direction of the third slider 319 is consistent with the sliding direction of the third transmission plate 303.

[0044] Further, if Figure 3 and Figure 4 As shown, the transfer component 4 includes a frame 401, a supporting plate 402, a transfer belt 403, a transfer active roller 404 and a transfer driven roller 405. The frame 401 is connected to the third transmission plate 303. The transfer active roller 404 and the transfer driven roller 405 are both rotatably set on the frame 401. The transfer belt 403 maintains contact with the transfer active roller 404 and the transfer driven roller 405 at the same time. The supporting plate 402 is set on the frame 401 and is used to provide support force for the sample on the transfer belt 403.

[0045] In this embodiment, the transfer component 4 includes a frame 401, a carrier plate 402, a transfer belt 403, a transfer active roller 404 and a transfer driven roller 405. The frame 401 is arranged on the third transmission plate 303, and the frame 401 slides synchronously with the third transmission plate 303. The transfer active roller 404 and the transfer driven roller 405 are rotatably arranged on the frame 401. The transfer belt 403 keeps contact with the transfer active roller 404 and the transfer driven roller 405 at the same time. The carrier plate 402 is arranged on the transfer belt 403 and is used to provide support force for the sample. That is, the sample is placed on the carrier plate 402, and the carrier plate 402 moves with the transfer belt 403 to move from one end of the frame 401 to the other end of the frame 401, and finally completes the transfer of the sample. The sample will go through three stages during the transfer process, which are: before the transfer warehouse 101-inside the transfer warehouse 101-after the transfer warehouse 101.

[0046] Further, if Figure 1 and Figure 2 As shown, the sample transfer device further includes a sliding door 5 and a power assembly 6. The sliding door 5 is slidably arranged on the bracket 1. There are two sliding doors 5, which are respectively arranged at the entrance and the exit of the transfer bin 101. The power assembly 6 is arranged on the bracket 1 and is used to provide power for the sliding of the sliding door 5. The power assembly 6 includes a power mechanism 601, a belt transmission mechanism 602 and a transmission body 603. The power mechanism 601 is arranged on the bracket 1 and is used to provide power to the belt transmission mechanism 602. The belt transmission mechanism 602 is arranged on the bracket 1. The transmission body 603 is connected to the sliding door 5 and the transmission belt in the belt transmission mechanism 602 at the same time.

[0047] In this embodiment, in order to ensure that the sample is less susceptible to contamination, the sample transfer device further includes a sliding door 5 and a power assembly 6. The sliding door 5 is slidably arranged on the bracket 1 and is located at the entrance and exit of the transfer bin 101. The sliding door 5 can realize the opening and closing of the transfer bin 101 with the help of the power assembly 6. The power assembly 6 includes a power mechanism 601, a belt transmission mechanism 602 and a transmission body 603. The power mechanism 601 is arranged on the bracket 1, and the output end of the power mechanism 601 is connected to the belt transmission mechanism 602. The belt transmission mechanism 602 includes a transmission belt. The transmission body 603 is arranged on the transmission belt. The transmission belt can realize reciprocating motion with the transmission body 603. The transmission block is also connected to the sliding door 5, so that the transmission block can realize reciprocating motion with the sliding door 5, and finally realize the opening and closing operation of the sliding door 5 for the transfer bin 101.

[0048] So far, the technical solution of the present invention has been described in conjunction with the preferred embodiments shown in the accompanying drawings. However, it is easy for those skilled in the art to understand that the protection scope of the present invention is obviously not limited to these specific embodiments. Without departing from the principle of the present invention, those skilled in the art can make equivalent changes or substitutions to the relevant technical features, and the technical solutions after these changes or substitutions will fall within the protection scope of the present invention.

Claims

1. A sample transfer device, characterized in that: The sample transfer device comprises a support (1), a base (2), a driving assembly (3) and a transfer assembly (4); the support (1) has a transfer chamber (101); the base (2) is arranged in the transfer chamber (101); the driving assembly (3) comprises a first transmission plate (301), a second transmission plate (302) and a third transmission plate (303); the first transmission plate (301) is slidably arranged on the base (2); the second transmission plate (302) is slidably arranged on the first transmission plate (301); the third transmission plate (303) is slidably arranged on the second transmission plate (302); the first transmission plate (301), the second transmission plate (302) and the third transmission plate (303) all slide synchronously in the same direction; the transfer assembly (4) is arranged on the third transmission plate (303) and is used for transferring samples; the transfer assembly (4) realizes a four-fold stroke relative to the base (2) by means of the driving assembly (3).

2. The sample transfer device according to claim 1, characterized in that: The driving assembly (3) further comprises a driver (304), a first transmission assembly, a second transmission assembly and a third transmission assembly, wherein the driver (304) is arranged in the transfer bin (101) and a driving end is connected to the first transmission assembly, the first transmission assembly is arranged between the base (2) and the first transmission plate (301), the second transmission assembly is arranged between the first transmission plate (301) and the second transmission plate (302), and the third transmission assembly is arranged between the second transmission plate (302) and the third transmission plate (303).

3. The sample transfer device according to claim 2, characterized in that: The first transmission assembly comprises a first gear (305) and a first rack (306); the first gear (305) is arranged on the driving end of the driver (304); the first rack (306) is arranged on the first transmission plate (301); and the first gear (305) is meshingly connected with the first rack (306).

4. The sample transfer device according to claim 3, characterized in that: The first transmission assembly further comprises a first guide rail (307) and a first slider (308); the first guide rail (307) is arranged on the base (2); the first slider (308) is arranged on the first transmission plate (301); and the sliding direction of the first slider (308) on the first guide rail (307) is consistent with the sliding direction of the first transmission plate (301).

5. The sample transfer device according to claim 2, characterized in that: The second transmission assembly comprises a second main rack (309), a second auxiliary rack (310) and a second gear (311); the second main rack (309) is arranged on the second transmission plate (302); the second auxiliary rack (310) is arranged on the base (2); the second gear (311) is rotatably arranged on the first transmission plate (301); and the second gear (311) is simultaneously meshed with the second main rack (309) and the second auxiliary rack (310).

6. The sample transfer device according to claim 5, characterized in that: The second transmission assembly further comprises a second guide rail (312) and a second slider (313); the second guide rail (312) is arranged on the second transmission plate (302); the second slider (313) is arranged on the first transmission plate (301); and the sliding direction of the second slider (313) on the second guide rail (312) is consistent with the sliding direction of the second transmission plate (302).

7. The sample transfer device according to claim 2, characterized in that: The third transmission assembly comprises a chain (314), a sprocket (315), a first transmission block (316) and a second transmission block (317); the sprocket (315) is two and is respectively arranged at a first end and a second end of the second transmission plate (302); the first end and the second end are symmetrical ends on the second transmission plate (302); the chain (314) is respectively connected to the two sprockets (315); the first transmission block (316) and the second transmission block (317) are both arranged on the chain (314); the first transmission block (316) is connected to the second transmission plate (302); and the second transmission block (317) is connected to the third transmission plate (303).

8. The sample transfer device according to claim 7, characterized in that: The third transmission assembly also includes a third guide rail (318) and a third slider (319); the third guide rail (318) is arranged on the second transmission plate (302); the third slider (319) is arranged on the third transmission plate (303); and the sliding direction of the third slider (319) on the third guide rail (318) is consistent with the sliding direction of the third transmission plate (303).

9. The sample transfer device according to any one of claims 1 to 8, characterized in that: The transfer component (4) comprises a frame (401), a carrying plate (402), a transfer belt (403), a transfer active roller (404) and a transfer driven roller (405); the frame (401) is connected to the third transmission plate (303); the transfer active roller (404) and the transfer driven roller (405) are both rotatably arranged on the frame (401); the transfer belt (403) simultaneously maintains contact with the transfer active roller (404) and the transfer driven roller (405); the carrying plate (402) is arranged on the transfer belt (403) and is used to provide support force for the sample on the transfer belt (403).

10. The sample transfer device according to any one of claims 1 to 8, characterized in that: The sample transfer device also includes a sliding door (5) and a power assembly (6), wherein the sliding door (5) is slidably arranged on the bracket (1), and the sliding door (5) is two and respectively arranged at the entrance and exit of the transfer bin (101), and the power assembly (6) is arranged on the bracket (1) and is used to provide power for the sliding door (5) to slide; the power assembly (6) includes a power mechanism (601), a belt transmission mechanism (602) and a transmission body (603), wherein the power mechanism (601) is arranged on the bracket (1) and is used to provide power to the belt transmission mechanism (602), and the belt transmission mechanism (602) is arranged on the bracket (1), and the transmission body (603) is simultaneously connected to the sliding door (5) and the transmission belt in the belt transmission mechanism (602).

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