CN215160855U - Test tube uncapping closes and covers device - Google Patents

Abstract

The utility model discloses a test tube uncaps and closes and cover device, include: a machine platform; the conveying assembly comprises a test tube seat, the test tube seat is provided with an opening for placing a test tube, and the test tube seat is movably arranged on the machine table; the lifting assembly is arranged on the machine table and positioned above the conveying assembly, and comprises a lifting part; the uncovering assembly is fixedly connected with the lifting part; the test tube base moves to the lower portion of the uncovering assembly relative to the machine table, and the lifting assembly drives the uncovering assembly to move towards the test tube base, so that the uncovering assembly can open a test tube cover on a placed test tube or close the opened test tube cover on the test tube. The automatic test tube cap opening and closing device has the advantages that the whole process of automatic test tube cap opening and closing is achieved, the risk of leakage and infection of substances in the test tube is reduced, the volume is small, the operation is convenient, the device can be carried about, and the device is suitable for various occasions.

Description

Test tube uncapping closes and covers device

Technical Field

The utility model relates to a test tube uncaps and closes and cover technical field, in particular to test tube uncaps and closes and cover device.

Background

The cap of the test tube on the current market has the modes of a screw cap, a straight pull cap and the like. The test tube is mostly opened manually by medical staff. Including but not limited to, if in the new pneumonia virus sample sampling detection, the detection volume is huge, and the inspection area of dividing temporarily still needs medical staff to unscrew the test tube lid by hand, draws the sample, still need to screw back the test tube lid by hand after the sampling, and this kind of operation has following shortcoming: because have certain negative pressure in the test tube, if the sample is liquid form in the test tube, the in-process of manual uncapping, if the dynamics is held improperly, can arouse rocking of in vitro liquid in the twinkling of an eye of uncapping to lead to the unrestrained of liquid, easily cause the pollution to the liquid sample. If in new crown pneumonia detection process, medical personnel need the manual sample of uncapping, and the operation makes medical personnel's hand directly take place the contact with the sample like this to directly face the pollution of intraductal sample aerosol again, the threat of the potential biological pollution that intraductal aerosol caused operating personnel, and the efficiency of manual uncapping is extremely low moreover, has increased medical personnel physical demands, and artifical intensity of labour is big.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a test tube uncaps and closes and cover device aims at realizing automatic operation, reduces the infection risk, improves work efficiency, reduces the cost of labor.

In order to achieve the above object, the utility model provides a test tube uncaps and closes and covers device, include:

a machine platform;

the conveying assembly comprises a test tube seat, the test tube seat is provided with an opening for placing a test tube, and the test tube seat is movably arranged on the machine table;

the lifting assembly is arranged on the machine table and positioned above the conveying assembly, and comprises a lifting part; and

the cover opening assembly is fixedly connected with the lifting part;

the test tube base moves to the lower portion of the uncovering assembly relative to the machine table, and the lifting assembly drives the uncovering assembly to move towards the test tube base, so that the uncovering assembly can open a test tube cover on a placed test tube or close the opened test tube cover on the test tube.

Optionally, still include test tube fixed part, when the test tube seat moved to uncap subassembly below, test tube fixed part can contact the test tube on the test tube seat and make this test tube relatively be fixed in the test tube seat.

Optionally, the test tube fixed part is located the board, the test tube fixed part is equipped with the recess, the test tube seat is equipped with and dodges the mouth, the recess can pass through dodge the mouth with the test tube seat cooperation will the test tube for the test tube seat is fixed.

Optionally, the uncapping assembly comprises an uncapping driving part and an uncapping part, the uncapping driving part is fixedly connected with the lifting part, the uncapping driving part is in transmission connection with the uncapping part, and the uncapping driving part drives the uncapping part to uncap/close the test tube cover.

Optionally, the drive division of uncapping is the clamping jaw rotating part, the uncapping portion is the clamping jaw, the clamping jaw rotating part is connected the clamping jaw, the clamping jaw rotating part can drive the clamping jaw carries out clockwise or anticlockwise rotation.

Optionally, the test tube seat further comprises a conveying table and a test tube seat body, the test tube seat body is fixedly connected with the conveying table, and the conveying assembly can drive the conveying table to move relative to the machine table.

Optionally, the machine table is provided with a sliding groove, the conveying assembly is arranged in the sliding groove, the conveying table can move along the sliding groove, and the test tube seats can be exposed from the sliding groove.

Optionally, the machine table includes a first base and a second base, the first base and the second base are perpendicular to each other to define a first area, the conveying assembly is disposed on the first base, the lifting assembly is disposed on the second base, and the conveying assembly and the lifting assembly are both located in the first area.

Optionally, the test tube rack further comprises a protective cover, the protective cover is arranged in the first area, and a through hole for the test tube seat to pass through is formed in the protective cover.

Optionally, the aerosol absorber is communicated with the first area, and the aerosol absorber can enable the first area to be in a negative pressure state.

The utility model discloses technical scheme passes through the board for installation conveying component, lifting unit, the subassembly of uncapping with lifting unit links to each other, the subassembly of uncapping with lifting unit is located the conveying component top, conveying component is including the test tube seat that is used for placing the test tube, and the test tube seat can be removed in the board the subassembly below of uncapping, lifting unit enables the subassembly of uncapping carries out elevating movement, so that the subassembly of uncapping can be right the test tube of putting into in the test tube seat is uncapped or is closed and cover the action.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed 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 some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a schematic perspective view of an embodiment of a device for opening and closing a test tube cover (with a protective cover and a part of a base removed) according to the present invention;

FIG. 2 is a schematic perspective view of the fixing portion of the test tube of FIG. 1;

FIG. 3 is a schematic perspective view of the opening cover assembly of FIG. 1;

FIG. 4 is a schematic perspective view of the transfer assembly of FIG. 1;

FIG. 5 is a schematic perspective view of the lifting assembly of FIG. 1;

fig. 6 is the utility model discloses the spatial structure schematic diagram after test tube uncap closes and covers device cuts open partial structure.

The reference numbers illustrate:

the objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

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 efforts belong to the protection scope of the present invention.

In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The utility model provides a device for opening and closing cover.

As shown in fig. 1, fig. 1 is a schematic structural diagram of an embodiment of the cover opening and closing device of the present invention;

the embodiment of the utility model provides an in, should uncap and close lid device, include:

a machine table 10;

the conveying assembly 20 comprises a test tube seat 21, the test tube seat 21 is provided with an opening 211 for placing a test tube, and the test tube seat 21 can be movably arranged on the machine table 10;

a lifting assembly 40, wherein the lifting assembly 40 is mounted on the machine platform 10 and located above the conveying assembly 20, and the lifting assembly 40 comprises a lifting part 43; and

a lid opening assembly 30, the lid opening assembly 30 being fixedly connected to the lifting part 43;

the test tube base 21 moves to the lower side of the uncapping assembly 30 relative to the machine table 10, and the lifting assembly 40 drives the uncapping assembly 30 to move towards the test tube base 21, so that the uncapping assembly 30 can open a test tube cover on an inserted test tube or close the opened test tube cover on the test tube.

The machine 10 is a base for installing the equipment, as long as the equipment can be installed, and the structure and shape of the machine 10 are not limited in any way in the present application. The cover opening and closing device can supply power to the device through a power supply, and the power supply can be an external power supply or a self-contained power supply of the cover opening and closing device. The conveying assembly 20 comprises a driving motor 23, a slide rail 24 and a test tube seat 50, and the test tube seat can move on the slide rail 24 under the driving of the driving motor 23; lifting unit 40 includes elevator motor 41, lift slide rail 42, lift portion 43 in this embodiment, lift portion 43 is a elevating platform, the elevating platform carries out elevating movement in lift slide rail 42 through elevator motor 41's drive, wherein, the installation department 36 of subassembly 30 that uncaps and the lift portion 43 fixed connection of lifting unit 40, in other embodiments, lift portion 43 can be the bolt, can be the couple, lift slide rail 42 also can be the driving chain, also or lift slide rail 42 and lift portion 43 lift for the gear engagement mode, the realization mode that realizes lift portion 43 elevating movement is various, no longer describe repeatedly one by one.

When the test tube to be detected needs to be operated, the test tube is placed into the test tube mounting seat of the conveying assembly 20, an opening 211 for placing the test tube is formed above the mounting seat, the test tube is generally cylindrical, therefore, the opening 211 can be cylindrical, the placed test tube cannot be inclined front and back and left and right, namely, the test tube is kept in a vertical state, and the subsequent operation of opening or closing the cover is convenient, of course, the vertical state can be kept after the test tube is placed into the test tube seat 21 in many ways, if the test tube seat 21 is not provided with the cylindrical opening 211, the operation can be realized by only arranging a turnable buckle above the opening 211, therefore, the arrangement of the opening 211 for the test tube seat 21 can be various, and because the types of the material of the test tube are different, for some glass test tubes, if the material of the test tube seat 21 is too hard, the operation process of manually placing the test tube can be realized, so that the test tube is broken, the test tube holder 21 may be provided with a protective layer in the opening 211, or be made of a relatively lubricating material, such as plastic.

When the test tube that detects needs moves uncapping subassembly 30 below along with the test tube mount pad, lift subassembly 40 lift 43 drives uncapping subassembly 30 and removes, removes to await measuring the lid position when uncapping subassembly 30, and uncapping subassembly 30 can uncap/close the lid operation to the test tube lid promptly, and this process divide into two processes, process one: uncap, the examination pipe that awaits measuring moves to uncapping subassembly 30 below, uncap subassembly 30 and move to test tube lid position under the drive of lifting unit 43, uncap subassembly 30 and carry out the operation of uncapping to the test tube, lift unit 43 drives the test tube and rises the normal position or keep motionless after uncapping and accomplishing, and test tube seat 21 gets back to original position from uncapping subassembly 30 below, and the position is put into to initial test tube promptly, and operating personnel carries out detection operation to the test tube after uncapping. And a second process: close the lid, detect the completion back, test tube seat 21 is from this position with the test tube motion that detects the completion to the below of subassembly 30 of uncapping, and subassembly 30 of uncapping installs back the test tube lid on detecting the test tube of accomplishing, and test tube seat 21 takes the test tube of having installed the test tube lid to return the test tube and put into the position to supply operating personnel to change the test tube. Because the kind of test tube has the variety, like screw thread buckled, pull out and insert buckled, upset buckled, consequently uncap subassembly 30 can adopt different modes to different test tube kinds, like sucking disc, clamping jaw 35, revolving stage etc..

The utility model discloses technical scheme is through adopting board 10, remove the subassembly, lifting unit 40, subassembly 30 uncaps, remove the subassembly, lifting unit 40, subassembly 30 installs in board 10 uncaps, subassembly 30 is connected with lifting unit 40 uncaps, it is located subassembly 30 below uncaps, it has the test tube mount pad to remove the subassembly, operating personnel can put into the test tube mount pad with the test tube to be tested, the test tube mount pad removes the test tube to subassembly 30 below uncaps, subassembly 30 uncaps moves to the test tube lid department of waiting the test tube under lifting unit 40's drive, uncap or close the lid operation to the test tube lid, realize automatic operation, avoid artifical uncap to the test tube, close the possible pollution or the infection risk of lid operation, effectively guarantee operating personnel's safety, and improved detection efficiency, reduce the cost of labor, and improve work efficiency height.

Further, the test tube uncapping and capping device 100 further includes a test tube fixing portion 50, and when the test tube holder 21 moves to a position below the uncapping assembly 30, the test tube fixing portion 50 can contact the test tube on the test tube holder 21 and relatively fix the test tube to the test tube holder 21.

When test tube seat 21 drives the test tube and moves the below of subassembly 30 of uncapping and uncapping the operation, test tube lid lock is too tight probably to appear, lead to the test tube can follow subassembly 30 of uncapping and uncap the direction motion, consequently, avoid appearing above-mentioned circumstances through setting up test tube fixed part 50, test tube fixed part 50 can set up on the test tube seat, if, after will await measuring the test tube and put into the test tube seat, reduce the clearance between the opening 211 of test tube and test tube seat or fix through the spring clamp mode through the buckle closure joggle mode. The test tube fixing portion 50 may be disposed on the machine table 10, and when the test tube holder 21 moves to the test tube holder position, the test tube fixing portion 50 may fix the test tube.

Optionally, test tube fixed part 50 is located board 10, test tube fixed part 50 be equipped with test tube assorted recess 521, the test tube seat is equipped with dodges mouthful 212, recess 521 can pass through dodge mouthful 212 with the cooperation of test tube seat 21 will the test tube for the test tube seat 21 is fixed.

As shown in fig. 1 and fig. 2, the test tube fixing portion 50 of the present embodiment is a block shape, and is divided into an outer portion 51 and an inner portion 52, wherein a groove 521 is formed in the middle of the outer portion 51, the groove 521 can allow the test tube portion in the avoiding opening 212 to be disposed in the groove 521, because the groove 521 has a relatively large friction force, the test tube can be wrapped and fixed, the test tube fixing portion 50 can also have other shapes, the groove 521 is one or more grooves, or the groove 521 is not matched with the avoiding opening 212 to fix the test tube, but is disposed at the test tube exposed portion of the test tube holder 21, and can be clamped, because the test tube fixing portion 50 of the present invention adopts an elastic fixing portion, even if the test tube fixing portion 50 is disposed at the test tube exposed portion of the test tube holder 21 to clamp the test tube, the test tube will not be damaged, the shape of the groove 521 can be set as required to match with various types of test tubes, without loss of generality, in this embodiment, as shown in fig. 2, the groove 521 of the test tube fixing portion 50 is arranged in an arc, the groove 521 is elastically arranged, and the avoidance opening 212 of the test tube seat 21 can wrap the tube to be tested, the arc-shaped groove 521 can be tightly attached to the arc-shaped test tube body, and under the matching of the avoidance opening 212 of the test tube seat 21, the tube to be tested is fixed in the test tube seat 21 under the action of friction force, that is, the avoidance opening 212 of the test tube seat 21 can have a reaction force on the groove 521. Wherein, like the test tube fixed part inside 52 elastic clamping force can offset uncap subassembly 30 to the test tube effort, can need not the test tube seat 21 and cooperate the fixed test tube of recess 521, recess 521 can not contact the lateral wall of dodging mouthful 212 promptly. In other embodiments, if the body of the bottle that awaits measuring is special-shaped test tube, the body has the test tube of arris promptly, recess 521 department can set up a plurality of vertical bar grooves, when this test tube of recess 521 parcel, the arris meeting butt bar groove of test tube fixes the test tube. Of course be the circular arc department at recess 521 and also can add the bar groove, the bar groove also can set up other shapes, like square groove, bump etc. to increase the fixed effect of test tube, no longer give unnecessary details here one by one.

The elastic fixing portion may be integrally or partially disposed elastically, that is, the inner portion 52 is disposed elastically, and the outer portion 51 is disposed in other manners. In the embodiment of the application, adopt inside 52 to be the elasticity setting, as shown in fig. 2, recess 521 material adopts the rubber material, rubber has better elasticity on the one hand, on the other hand rubber is comparatively durable, corrosion resistant, and locate the test tube seat at board 10 still has a benefit to be able to improve positioning accuracy, when test tube seat 21 removes to the test tube seat position promptly, the test tube seat can play certain positioning action, and test tube seat outside 51 adopts comparatively firm mode, positioning effect is better after enabling the butt, of course the elastic fixation portion also can be other modes, thereby fix the test tube through two quick joint portion joint test tubes as recess 521 part is two joint portions of passing through spring coupling constitution.

Optionally, the cap opening assembly 30 includes a cap opening driving portion 32 and a cap opening portion 33, the cap opening driving portion 32 is fixedly connected to the lifting portion 43, the cap opening driving portion 32 is in transmission connection with the cap opening portion 33, and the cap opening driving portion 32 drives the cap opening portion 33 to open/close the cap of the test tube.

Because, the types of test tubes are various, the driving part and the uncapping part 33 of the uncapping assembly 30 can be designed according to the type of the test tube to be detected, that is, the uncapping driving part 32 can move linearly up and down or rotate, the uncapping part 33 is a clamping jaw 35 or a sucking disc or a plug-in component, for example, the test tube is uncapped in a rotating mode, the uncapping part 33 can clamp the test tube cover by the clamping jaw 35 or the sucking disc, and the driving part drives the clamping jaw 35 or the sucking disc to rotate so as to open or close the test tube cover.

Optionally, the cover opening driving portion 32 is a clamping jaw rotating portion 34, the cover opening portion 33 is a clamping jaw 35, the clamping jaw rotating portion 34 is connected to the clamping jaw 35, and the clamping jaw rotating portion 34 can drive the clamping jaw 35 to rotate clockwise or counterclockwise.

As shown in fig. 4, in this embodiment, the lid opening assembly 30 includes a rotating motor 31, a clamping jaw rotating portion 34, and a clamping jaw 35, where the clamping jaw 35 is designed as a two-jaw design, and the two jaws are in a block form, and the two-jaw design simulates a way of opening the lid by two fingers of a human being, which is simple, convenient, stable and reliable, and certainly, the clamping jaw 35 may also be in other forms, which is not repeated herein. When test tube seat 21 takes the test tube of waiting to test and moves the subassembly 30 below of uncapping, uncapping subassembly 30 through the drive of lifting unit 40 and move test tube lid position, two clamping jaws 35 are opened and are pressed from both sides tight test tube lid, then drive the rotating part through rotating electrical machines 31 and make clamping jaws 35 rotate, and test tube lid is from the test tube and is unscrewed, and test tube seat 21 is removing the position of putting into test tube department with the test tube after unscrewing the test tube lid and supplies operating personnel to carry out follow-up work. Therefore, the situation that the operation is carried out manually and the human body is possibly polluted is avoided.

Further, the machine table 10 is provided with a sliding groove 13, the conveying assembly 20 is arranged in the sliding groove 13, the conveying table 22 can move along the sliding groove 13, and the test tube seat 21 can be exposed from the sliding groove 13.

As shown in fig. 6, the sliding groove 13 is formed by enclosing the conveying assembly 20 by the machine 10, that is, after the conveying assembly 20 is installed on the machine 10, the conveying assembly 20 is hidden, and the forming position of the sliding groove 13 is the movement path of the test tube seat 21, so that the whole is not obtrusive, and the normal operation of the conveying assembly 20 can be ensured.

Optionally, the machine station 10 includes a first base 11 and a second base 12, the first base 11 and the second base 12 are perpendicular to each other and define a first area 60, the conveying assembly 20 is disposed on the first base 11, the lifting assembly 40 is disposed on the second base 12, and both the conveying assembly 20 and the lifting assembly 40 are located in the first area 60.

As shown in fig. 6, the conveying assembly 20 is fixed on the first base 11 by screws or studs, the lifting assembly 40 is fixed on the second base 12 by screws or studs, when the test tube holder 21 moves on the first base 11 toward the second base 12, the cap-opening assembly 30 moves on the second base 12 along with the lifting assembly 40, and there is an alternating position between the test tube holder 21 and the cap-opening assembly 30, i.e. the position where the test tube fixing part 50 abuts against the test tube, i.e. the position where the cap-opening assembly 30 opens or closes the test tube.

Further, the device 100 for opening and closing the test tube cover further comprises a protective cover 70, the protective cover 70 is arranged in the first area 60, and the protective cover 70 is provided with a through hole for the test tube seat 21 to pass through.

As shown in fig. 6, when the test tube cap opening and closing device 100 performs the cap opening and closing operation, the test tube cap opening and closing device is located in the protective cover 70, the protective cover 70 can separate the test environment from the external 51 environment to a certain extent, and the protective cover 70 can also play a protective role, such as the aerosol generated in the process of opening the cap of the test tube is separated and is placed and diffused to the outside, the protective cover 70 is made of an acrylic material, and has high transparency, strong hardness and convenient processing, so that the condition of the internal 52 can be conveniently watched, and the protective role can be played for the internal 52.

Further, the device for opening and closing the cover further comprises an aerosol absorber 80, wherein the aerosol absorber 80 is communicated with the first area 60, and the aerosol absorber 80 can enable the first area 60 to be in a negative pressure state.

As shown in fig. 6, it can be understood that, in order to protect the safety of the operator and avoid possible virus infection, the aerosol adsorber 80 is provided to discharge the air in the first area 60, and even if the aerosol diffuses during the cover opening process, the aerosol adsorber 80 adsorbs the aerosol, so that the environmental safety of the first area 60 can be guaranteed to the greatest extent, and the safety of the operator can be further guaranteed. Aerosol adsorber 80 includes two major part subassemblies, vacuum generator 81 and aerosol filter 82, vacuum generator 81 can discharge the air in first region 60 through the intercommunicating pore between first base 11 and second base 12, aerosol filter 82 can discharge after filtering vacuum generator 81 suction's air, reduce medical personnel's infection risk, because small, convenient operation, can hand-carry, be fit for various occasions and use, from the high risk that has solved manual operation existence at all.

The above is only the optional embodiment of the present invention, and not the scope of the present invention is limited thereby, all the equivalent structure changes made by the contents of the specification and the drawings are utilized under the inventive concept of the present invention, or the direct/indirect application in other related technical fields is included in the patent protection scope of the present invention.

Claims (10)

1. The utility model provides a test tube uncap close and cover device which characterized in that includes:

a machine platform;

the conveying assembly comprises a test tube seat, the test tube seat is provided with an opening for placing a test tube, and the test tube seat is movably arranged on the machine table;

the lifting assembly is arranged on the machine table and positioned above the conveying assembly, and comprises a lifting part; and

the cover opening assembly is fixedly connected with the lifting part;

the test tube base moves to the lower portion of the uncovering assembly relative to the machine table, and the lifting assembly drives the uncovering assembly to move towards the test tube base, so that the uncovering assembly can open a test tube cover on a placed test tube or close the opened test tube cover on the test tube.

2. The test tube uncapping and capping apparatus of claim 1, further comprising a test tube fixing portion capable of contacting and relatively fixing the test tube on the test tube holder when the test tube holder moves below the uncapping assembly.

3. The device for opening and closing the cover of the test tube according to claim 2, wherein the test tube fixing part is arranged on the machine table, the test tube fixing part is provided with a groove matched with the test tube, the test tube base is provided with an avoiding opening, and the groove can fix the test tube relative to the test tube base through the cooperation of the avoiding opening and the test tube base.

4. The test tube cap uncovering and closing device according to any one of claims 1 to 3, wherein the uncovering assembly comprises an uncovering driving part and an uncovering part, the uncovering driving part is fixedly connected with the lifting part, the uncovering driving part is in transmission connection with the uncovering part, and the uncovering driving part drives the uncovering part to uncover/close the test tube cap.

5. The device for opening and closing the cover of the test tube according to claim 4, wherein the cover opening driving part is a clamping jaw rotating part, the cover opening part is a clamping jaw, the clamping jaw rotating part is connected with the clamping jaw, and the clamping jaw rotating part can drive the clamping jaw to rotate clockwise or anticlockwise.

6. The device for opening and closing the cover of the test tube according to claim 1, wherein the test tube holder comprises a conveying table and a test tube holder body, the test tube holder body is fixedly connected with the conveying table, and the conveying assembly can drive the conveying table to move relative to the machine table.

7. A test tube cover opening and closing device as claimed in claim 6, wherein the machine table is provided with a chute, the conveying assembly is arranged in the chute, the conveying table can move along the chute, and the test tube seats can be exposed from the chute.

8. The device for opening and closing the cover of the test tube as claimed in claim 1, wherein the machine table comprises a first base and a second base, the first base and the second base are perpendicular to each other and define a first area, the conveying assembly is arranged on the first base, the lifting assembly is arranged on the second base, and the conveying assembly and the lifting assembly are both positioned in the first area.

9. The device for opening and closing the test tube cover as claimed in claim 8, further comprising a protective cover, wherein the protective cover is arranged in the first area, and the protective cover is provided with a through opening for the test tube seat to pass through.

10. The test tube decapping device according to claim 9, further comprising an aerosol adsorber in communication with the first region, the aerosol adsorber being capable of placing the first region under negative pressure.

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