CN215162557U - PCR pipe transfer device - Google Patents

Abstract

The utility model discloses a PCR manages transfer device, include: the device comprises a bottom plate, a movable plate, a gripping device for gripping the PCR tubes and a driving device, wherein the driving device is arranged on the bottom plate, and the telescopic end of the driving device penetrates through the bottom plate to be connected with the movable plate so as to drive the movable plate to ascend or descend; the bottom plate and the movable plate are connected with the grabbing device, when the movable plate descends, the grabbing device is opened, and when the movable plate ascends, the grabbing device contracts. The utility model provides a PCR manages transfer device can effectively improve snatching of PCR pipe and shift efficiency, can guarantee to snatch the accuracy of snatching the transfer operation of PCR pipe, and simple structure, the convenient operation of this device can use widely.

Description

PCR pipe transfer device

Technical Field

The utility model relates to a molecular diagnosis technical field, more specifically say, relate to a PCR pipe transfer device.

Background

The Polymerase Chain Reaction (PCR) is a molecular biology technique for amplifying and amplifying a specific DNA fragment, and an automated PCR amplification apparatus is an apparatus for performing in vitro mass synthesis of a specific gene using the PCR technique, which is used for detecting DNA/RNA to perform molecular diagnosis of various genes.

In the prior art, most molecular diagnostic instruments are semi-automatic instruments when molecular diagnosis is performed, and the extracted nucleic acid sample needs to be manually placed into the instrument, and then the nucleic acid sample is quantitatively analyzed in the instrument. However, the process of placing nucleic acid manually is likely to cause biological contamination, increase the testing error caused by manual intervention, and also tend to cause problems of slow testing speed. At present, a manual operation mode is generally adopted to grab and transfer a PCR tube filled with a nucleic acid sample, but the manual operation mode has the problems of low operation efficiency, easy pollution of nucleic acid, insufficient accuracy of the transfer position of the PCR tube and the like.

In summary, how to improve the efficiency of grabbing and transferring the PCR tubes is a problem to be solved by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a PCR manages transfer device can effectively improve the transfer efficiency that snatchs of PCR pipe, can guarantee to snatch PCR pipe and the operating efficiency and the operation accuracy that the top moved back PCR pipe, and simple structure, the convenient operation of this device can use widely.

In order to achieve the above object, the present invention provides the following technical solutions:

a PCR tube transfer device comprising: the device comprises a bottom plate, a movable plate arranged below the bottom plate in parallel, an expandable or contractible gripping device for gripping the PCR tubes and a driving device, wherein the driving device is arranged on the bottom plate, and the telescopic end of the driving device penetrates through the bottom plate to be connected with the movable plate so as to drive the movable plate to ascend or descend;

the bottom plate and the movable plate are connected with the grabbing device, when the movable plate descends, the grabbing device is opened, and when the movable plate ascends, the grabbing device contracts.

Preferably, the device also comprises a guide column and a top sleeve, wherein the guide column is used for being clamped with the PCR cover at the top of the PCR tube, and the top sleeve is used for ejecting and withdrawing the PCR cover;

the guide post penetrates through the movable plate and is fixedly connected with the bottom plate, the guide post is positioned at the center of the grabbing device, the grabbing device is opened or contracted, the top sleeve is sleeved on the periphery of the guide post, and the top sleeve is fixedly connected with the movable plate.

Preferably, grabbing device includes fixed arm, linking arm, cleft hand and axle fixed plate, the fixed arm is located both sides around the fly leaf, the axle fixed plate is located both sides around the bottom plate, the cleft hand with the axle fixed plate passes through the connecting axle and connects, the cleft hand with the fixed arm respectively with the both ends of linking arm are articulated, so that the cleft hand can center on the connecting axle opens or contracts.

Preferably, the guide device is used for limiting the running track of the movable plate.

Preferably, the guiding device includes a guide pillar and a guide sleeve for guiding the guide pillar, the guide sleeve vertically penetrates the bottom plate, the guide pillar is sleeved on an inner peripheral portion of the guide sleeve, and the guide pillar is connected with the movable plate.

Preferably, the guide device is a single-guide-column-matched guide sleeve structure, a double-guide-column-matched guide sleeve structure or a multi-guide-column-matched guide sleeve structure.

Preferably, the guide device includes a slide rail and a slide block capable of sliding along the slide rail, the slide rail is perpendicular to the bottom plate, and the slide block is connected with the movable plate.

Preferably, the device further comprises a detection device for detecting whether the PCR cover is successfully ejected.

Preferably, detection device includes the sensor and is used for triggering the separation blade of sensor, the sensor is located on the bottom plate, the separation blade is located on the fly leaf, the fly leaf below is equipped with the roof, the roof is equipped with U type groove, flexible end passes the fly leaf, just flexible end can move in the U type groove.

Preferably, the end part of the telescopic end is provided with a fixing nut.

Preferably, the driving device is a lead screw motor or a telescopic cylinder.

Use the utility model provides a during PCR manages transfer device, when drive arrangement stretches out and draws back and removes, drive arrangement's flexible end can drive the fly leaf and descend to it opens to drive grabbing device, thereby is convenient for grabbing device and snatchs PCR pipe. When the flexible end of the driving device drives the movable plate to ascend, the movable plate can drive the gripping device to contract and close so as to effectively grasp the PCR tube, and then the PCR tube is moved to a required position according to actual requirements.

To sum up, the utility model provides a PCR manages transfer device can effectively improve snatching of PCR pipe and shift efficiency, can guarantee snatching of PCR pipe and shift the accuracy of operation, and simple structure, the convenient operation of this device can use widely.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

FIG. 1 is a schematic diagram of a PCR tube transfer device and a PCR tube according to the present invention;

FIG. 2 is a schematic view of the configuration of the gripping device of the PCR tube transfer device when it is contracted;

FIG. 3 is a schematic structural diagram of the PCR tube transferring apparatus when gripping the PCR tube.

In fig. 1-3:

the device comprises a base plate 1, a movable plate 2, a gripping device 3, a fixed arm 31, a connecting arm 32, a claw 33, a shaft fixing plate 34, a connecting shaft 35, a guide post 4, a top sleeve 5, a driving device 6, a telescopic end 7, a PCR tube 8, a PCR cover 9, a guide device 10, a guide post 101, a guide sleeve 102, a detection device 11, a sensor 12, a baffle plate 13, a top plate 14 and a fixing nut 15.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The core of the utility model is to provide a PCR manages transfer device can effectively improve snatching transfer efficiency of PCR pipe, can guarantee to snatch PCR pipe and move back the operating efficiency and the operation accuracy of PCR pipe on top, and simple structure, the convenient operation of this device can use widely.

Referring to fig. 1 to 3, fig. 1 is a schematic view illustrating a PCR tube transfer device and a PCR tube according to the present invention; FIG. 2 is a schematic view of the configuration of the gripping device of the PCR tube transfer device when it is contracted;

FIG. 3 is a schematic structural diagram of the PCR tube transferring apparatus when gripping the PCR tube.

This embodiment provides a PCR pipe transfer device, including: the device comprises a bottom plate 1, a movable plate 2 arranged below the bottom plate 1 in parallel, an expandable or contractible gripping device 3 for gripping a PCR tube 8 and a driving device 6, wherein the driving device 6 is arranged on the bottom plate 1, and a telescopic end 7 of the driving device 6 penetrates through the bottom plate 1 to be connected with the movable plate 2 so as to drive the movable plate 2 to ascend or descend; the bottom plate 1 and the movable plate 2 are both connected with the gripping device 3, when the movable plate 2 descends, the gripping device 3 is opened, and when the movable plate 2 ascends, the gripping device 3 is contracted.

The shape, structure, size, material, position and the like of the bottom plate 1, the movable plate 2, the gripping device 3 and the driving device 6 can be determined according to actual conditions and actual requirements in the actual application process.

Use the utility model provides a during PCR pipe transfer device, when drive arrangement 6 moves when stretching out and drawing back, drive arrangement 6's flexible end 7 can drive when fly leaf 2 descends to drive grabbing device 3 and open, thereby be convenient for grabbing device 3 and snatch PCR pipe 8. When the movable plate 2 is driven to ascend by the telescopic end 7 of the driving device 6, the movable plate 2 can drive the gripping device 3 to contract and close so as to effectively grip the PCR tube 8, and then the PCR tube 8 is moved to a required position according to actual requirements.

To sum up, the utility model provides a PCR manages transfer device can effectively improve snatching of PCR pipe 8 and shift efficiency, can guarantee to snatch the accuracy of snatching of PCR pipe 8 and shifting the operation, and simple structure, the convenient operation of this device can use widely.

On the basis of the above embodiment, preferably, the device further comprises a guide post 4 and a top sleeve 5, wherein the guide post 4 is used for being clamped with the PCR cover 9 on the top of the PCR tube 8, and the top sleeve 5 is used for ejecting and withdrawing the PCR cover 9; the guide post 4 penetrates through the movable plate 2 and is fixedly connected with the bottom plate 1, the guide post 4 is located at the center of the grabbing device 3, the outer periphery of the guide post 4 is sleeved with the jacking sleeve 5, and the jacking sleeve 5 is fixedly connected with the movable plate 2.

It should be noted that, this device utilizes drive arrangement 6 drive grabbing device 3 and the motion of top cover 5 to make grabbing device 3 and guide post 4 cooperation snatch PCR pipe 8, and make top cover 5 can effectively push away PCR pipe 8, effectively improved the operating efficiency of device like this, prevented the pollution that manual intervention caused. Moreover, the whole structure of the device is more compact, and the occupied space is smaller.

The shape, structure, size, material, position and the like of the guide post 4 and the top sleeve 5 can be determined according to actual conditions and actual requirements in the actual application process.

In addition, when the driving device 6 drives the movable plate 2 to descend, the gripping device 3 can be controlled to open, and the top sleeve 5 fixed on the movable plate 2 also descends along with the descending of the gripping device, so that the top sleeve 5 can push and withdraw the PCR cover 9 at the top of the PCR tube 8, and the purpose of pushing and withdrawing the PCR tube 8 is achieved. And when drive arrangement 6 drive fly leaf 2 rose, can control grabbing device 3 shrink closed, simultaneously, guide post 4 is fixed, and top cover 5 can be along with fly leaf 2 upward movement, and guide post 4 at this moment can expose and insert in PCR lid 9, and it is fixed with PCR lid 9 joint to demonstrate guide post 4 and PCR lid 9 joint at last, and grabbing device 3 snatchs the state of PCR pipe 8 upper end to reach the purpose of snatching PCR pipe 8, then according to actual demand with PCR pipe 8 remove to required position can.

This device utilizes grabbing device 3 and guide post 4 to snatch PCR pipe 8, utilizes 5 tops of top cover to move back PCR pipe 8, through mutually supporting of these structures, has guaranteed to snatch PCR pipe 8 and has moved back the operating stability when PCR pipe 8 with the top, when drive arrangement 6's flexible end 7 carries out once back and forth movement, this device can accomplish snatch PCR pipe 8 and move back two actions of PCR pipe 8 with the top, is favorable to improving operating efficiency and operation accuracy.

Preferably, the grasping apparatus 3 includes a fixed arm 31, a connecting arm 32, a claw 33, and a shaft fixing plate 34, the fixed arm 31 is disposed on the front and rear sides of the movable plate 2, the shaft fixing plate 34 is disposed on the front and rear sides of the base plate 1, the claw 33 and the shaft fixing plate 34 are connected by a connecting shaft 35, and the claw 33 and the fixed arm 31 are respectively hinged to both ends of the connecting arm 32, so that the claw 33 can be expanded or contracted around the connecting shaft 35.

It should be noted that, when the flexible end 7 of the driving device 6 drives the movable plate 2 to move downward, the fixed arm 31 also moves downward along with the movable plate 2, and the shaft fixed plate 34 and the connecting shaft 35 are fixed along with the bottom plate 1, at this time, the distance between the fixed arm 31 and the connecting arm 32 is reduced, so that the connecting arm 32 drives the claw 33 to open outward, and at the same time, the top sleeve 5 fixed on the movable plate 2 also moves downward, thereby ejecting the PCR cap 9 on the top of the PCR tube 8.

And when the flexible end 7 of the driving device 6 drives the movable plate 2 to move upwards, the fixed arm 31 also moves upwards along with the movable plate 2, the shaft fixing plate 34 and the connecting shaft 35 are fixed along with the bottom plate 1, at this time, the distance between the fixed arm 31 and the connecting arm 32 is increased, so that the connecting arm 32 drives the claw 33 to fold inwards, meanwhile, the top sleeve 5 fixed on the movable plate 2 also moves downwards, the guide column 4 can be exposed and inserted into the PCR cover 9 in the process, and because the guide column 4 is arranged at the folding center of the claw 33, the upper end of the PCR tube 8 can be effectively grabbed by the claw 33, the grabbing effect of the PCR tube 8 is further ensured, and the phenomenon that the PCR tube 8 drops in the subsequent transfer process is avoided.

In the actual application process, the shape, structure, size, position, number, material, and the like of the fixing arm 31, the connecting arm 32, the claw 33, the connecting shaft 35, and the shaft fixing plate 34 can be determined according to actual conditions and actual requirements.

Preferably, a guide 10 for limiting the moving track of the movable plate 2 is further included, which is advantageous for ensuring smooth operation of the grasping apparatus 3.

Preferably, the guiding device 10 includes a guide pillar 101 and a guide sleeve 102 for guiding the guide pillar 101, the guide sleeve 102 is vertically disposed through the bottom plate 1, the guide pillar 101 is sleeved on an inner peripheral portion of the guide sleeve 102, and the guide pillar 101 is connected to the movable plate 2 to ensure that the movable plate 2 is horizontally raised or lowered along with the telescopic end 7 of the driving device 6.

Preferably, the guiding device 10 is a single-guide-column-matched guide sleeve structure, a double-guide-column-matched guide sleeve structure or a multi-guide-column-matched guide sleeve structure.

It should be noted that the single guide pillar and guide sleeve structure here means that a single guide sleeve 102 is arranged on the bottom plate 1, a guide pillar 101 is arranged in the guide sleeve 102, and the single guide pillar 101 is connected with the movable plate 2; the double-guide-column matched guide sleeve structure means that two guide sleeves 102 are arranged on the bottom plate 1, a guide column 101 is arranged in each guide sleeve 102, and the two guide columns 101 are connected with the movable plate 2; the multi-guide-column-matched guide sleeve structure means that a plurality of guide sleeves 102 are arranged on the bottom plate 1, a guide column 101 is arranged in each guide sleeve 102, and the guide columns 101 are connected with the movable plate 2.

Preferably, a double-guide-column-matched guide sleeve structure can be adopted to guide the movable plate 2, that is, the guide sleeves 102 can be arranged on two sides of the bottom plate 1, the guide columns 101 are arranged in the guide sleeves 102, and the guide columns 101 on two sides are respectively fixedly connected with two sides of the movable plate 2, so that the moving stability of the movable plate 2 is further ensured, and the operation stability of the whole structure is improved.

In the actual application process, the shapes, structures, sizes, positions, numbers and the like of the guide pillars 101 and the guide sleeves 102 can be determined according to actual conditions and actual requirements.

Preferably, the guiding device 10 includes a sliding rail and a sliding block capable of sliding along the sliding rail, the sliding rail is disposed perpendicular to the bottom plate 1, and the sliding block is connected to the movable plate 2. This arrangement also ensures smooth raising and lowering of the movable plate 2 with the telescopic end 7. The shapes, structures, sizes, positions, numbers and the like of the sliding blocks and the sliding rails can be determined in the actual application process according to actual conditions and actual requirements.

On the basis of the above-mentioned embodiment, it is preferable that a detection device 11 for detecting whether the PCR cap 9 is successfully ejected is further included.

It should be noted that, when the transfer operation is performed on the PCR tube 8, the PCR tube 8 with the PCR cap 9 needs to be grabbed to prevent the nucleic acid sample in the PCR tube 8 from being contaminated during the moving process, after the PCR tube 8 is moved to a desired position, the PCR cap 9 needs to be opened to facilitate the detection of the nucleic acid sample in the PCR tube 8, so that whether the PCR cap 9 is successfully ejected or not can be accurately determined by arranging the detection device 11, if the PCR cap 9 is not successfully ejected or not, an operator needs to perform corresponding operation on the PCR cap 9, and if the PCR cap 9 is successfully ejected or not, other detection operations can be directly performed.

Preferably, the detection device 11 includes a sensor 12 and a blocking piece 13 for triggering the sensor 12, the sensor 12 is disposed on the bottom plate 1, the blocking piece 13 is disposed on the movable plate 2, a top plate 14 is disposed below the movable plate 2, the top plate 14 is provided with a U-shaped groove, and the telescopic end 7 penetrates through the movable plate 2 and the telescopic end 7 can move in the U-shaped groove.

It should be noted that, when the telescopic end 7 moves downward in the U-shaped groove, if the telescopic end 7 does not move to the bottom of the U-shaped groove, the telescopic end returns to move downward, at this time, the movable plate 2 does not move downward along with the telescopic end 7, that is, the top sleeve 5 does not move downward to push back the PCR cap 9, and the blocking piece 13 on the movable plate 2 does not move downward, the blocking piece 13 is not separated from the sensor 12, and the blocking piece 13 triggers the sensor 12, so that an operator can find in time that the telescopic end 7 does not drive the movable plate 2 to move downward and perform reverse movement, and the downward movement process of the telescopic end 7 fails to make the top sleeve 5 successfully push back the PCR cap 9, so that the operator needs to perform corresponding adjustment control on the top sleeve, and the like, so as to avoid affecting other subsequent operations of the PCR tube 8.

The shapes, structures, models, positions and the like of the blocking sheet 13, the sensor 12 and the top plate 14 can be determined according to actual conditions and actual requirements in the actual application process.

Preferably, the end of the telescopic end 7 is provided with a fixing nut 15. Fixing nut 15 can effectively protect the tip structure of flexible end 7, avoids flexible end 7 and roof 14 to take place the wearing and tearing phenomenon at the contact collision in-process to, when flexible end 7 rebound, because the tip of flexible end 7 is equipped with fixing nut 15, but fixing nut 15 joint is in the bottom surface of fly leaf 2, avoids flexible end 7 and fly leaf 2 to break away from, makes flexible end 7 can drive fly leaf 2 to shift up.

Preferably, the driving device 6 is a lead screw motor or a telescopic cylinder. Can be in the in-service use in-process, according to actual conditions and actual demand, confirm drive arrangement 6's structure, also can set up to lead screw motor or telescopic cylinder for drive arrangement 6, it also can set up to other pneumatic means or electric actuator, only needs to guarantee that it can drive fly leaf 2 and go up and down reciprocating motion can.

In order to further explain the utility model provides a PCR manages transfer device's use, set up drive arrangement 6 into screw motor next, also be that screw motor fixes on bottom plate 1, and screw motor's motor shaft passes fly leaf 2, and the top of motor shaft is equipped with fixation nut 15, and fixation nut 15 can move in U type inslot. This is taken as an example for explanation.

When the claw 33 needs to be opened to withdraw the PCR tube 8, as shown in fig. 1, the screw motor can drive the motor shaft to move downwards, so that the fixing nut 15 fixed at the end of the motor shaft moves downwards, and after the fixing nut 15 moves to the bottom of the U-shaped groove, the fixing nut 15 can drive the top plate 14 and the movable plate 2 to move downwards when continuing to move downwards, and when the movable plate 2 moves downwards, the claw 33 can be opened, and meanwhile, the jacking sleeve 5 can move downwards along with the movable plate 2 to jack the PCR cover 9, so as to achieve the purpose of jacking the PCR tube 8. In this state, the blocking plate 13 moves downward along with the movable plate 2, and the blocking plate 13 does not trigger the sensor 12, so as to determine that the PCR cover 9 of the PCR tube 8 is pushed back.

When the claw 33 needs to be closed to grab the PCR tube 8, as shown in fig. 2, the lead screw motor can drive the motor to move upward, so that the fixing nut 15 fixed at the end of the motor shaft moves upward, and after the fixing nut 15 moves to the bottom of the movable plate 2, the fixing nut 15 continues to move upward, so as to drive the top plate 14 and the movable plate 2 to move upward, and when the movable plate 2 moves upward, the claw 33 can be folded, and meanwhile, the top sleeve 5 moves upward along with the movable plate 2, so that the guide post 4 is exposed, the guide post 4 can be inserted into the PCR cover 9, and the claw 33 can effectively grab the upper eave of the PCR tube 8, as shown in fig. 3, so as to achieve the purpose of grabbing the PCR tube 8.

It should be noted that the directions and positional relationships indicated by "upper and lower", "top and bottom", and the like in the present application are based on the directions and positional relationships shown in the drawings, and are only for the convenience of simplifying the description and facilitating the understanding, but do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The utility model provides an arbitrary compound mode of all embodiments all is in this utility model's a protection scope, does not do here and gives unnecessary details.

The PCR tube transfer device provided by the utility model is introduced in detail. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

Claims (11)

1. A PCR tube transfer apparatus, comprising: the device comprises a bottom plate (1), a movable plate (2) arranged below the bottom plate (1) in parallel, an expandable or contractible grabbing device (3) for grabbing a PCR tube (8) and a driving device (6), wherein the driving device (6) is arranged on the bottom plate (1), and a telescopic end (7) of the driving device (6) penetrates through the bottom plate (1) to be connected with the movable plate (2) so as to drive the movable plate (2) to ascend or descend;

the bottom plate (1) and the movable plate (2) are connected with the grabbing devices (3), when the movable plate (2) descends, the grabbing devices (3) are opened, and when the movable plate (2) ascends, the grabbing devices (3) are contracted.

2. The PCR tube transfer device according to claim 1, further comprising a guide column (4) for clamping with a PCR cover (9) at the top of the PCR tube (8) and a top sleeve (5), wherein the top sleeve (5) is used for ejecting and retreating the PCR cover (9);

the guide post (4) penetrates through the movable plate (2) and is fixedly connected with the bottom plate (1), the guide post (4) is located at the center of the grabbing device (3) in an opening or contracting mode, the top sleeve (5) is sleeved on the periphery of the guide post (4), and the top sleeve (5) is fixedly connected with the movable plate (2).

3. The PCR tube transfer device according to claim 2, wherein the grasping means (3) comprises a fixed arm (31), a connecting arm (32), a claw (33), and a shaft fixing plate (34), the fixed arm (31) is disposed at both front and rear sides of the movable plate (2), the shaft fixing plate (34) is disposed at both front and rear sides of the base plate (1), the claw (33) and the shaft fixing plate (34) are connected by a connecting shaft (35), and the claw (33) and the fixed arm (31) are respectively hinged to both ends of the connecting arm (32) so that the claw (33) can be expanded or contracted around the connecting shaft (35).

4. The PCR tube transfer apparatus according to claim 3, further comprising a guide (10) for limiting the moving track of the moving plate (2).

5. The PCR tube transfer apparatus according to claim 4, wherein the guide means (10) comprises a guide post (101) and a guide sleeve (102) for guiding the guide post (101), the guide sleeve (102) is vertically disposed through the bottom plate (1), the guide post (101) is sleeved on an inner peripheral portion of the guide sleeve (102), and the guide post (101) is connected to the movable plate (2).

6. The PCR tube transfer apparatus according to claim 5, wherein the guide means (10) is a single guide post-fitting guide sleeve structure, a double guide post-fitting guide sleeve structure, or a multiple guide post-fitting guide sleeve structure.

7. The PCR tube transfer apparatus according to claim 4, wherein the guide means (10) comprises a slide rail disposed perpendicular to the base plate (1) and a slider slidable along the slide rail, the slider being connected to the movable plate (2).

8. PCR tube transfer device according to any of claims 2 to 7, further comprising a detection device (11) for detecting whether the PCR lid (9) is successfully ejected.

9. The PCR tube transfer device according to claim 8, wherein the detection device (11) comprises a sensor (12) and a blocking piece (13) for triggering the sensor (12), the sensor (12) is arranged on the bottom plate (1), the blocking piece (13) is arranged on the movable plate (2), a top plate (14) is arranged below the movable plate (2), the top plate (14) is provided with a U-shaped groove, the telescopic end (7) penetrates through the movable plate (2), and the telescopic end (7) can move in the U-shaped groove.

10. The PCR tube transfer device according to claim 9, wherein the end of the telescopic end (7) is provided with a fixing nut (15).

11. The PCR tube transfer device according to any one of claims 1 to 7, wherein the driving means (6) is a lead screw motor or a telescopic cylinder.

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