An intelligent blood separation workstation

Abstract

The present invention relates to an intelligent blood separation workstation, comprising a workbench, a cover, a storage box, a blood collection tube fixing assembly, a pipette tip storage rack for storing pipette tips, a three-axis gripping mechanism, and a pipette assembly. The three-axis gripping mechanism comprises a three-dimensional mobile drive assembly; the pipette assembly comprises a mounting frame, a plurality of screw rods provided on the mounting frame, a gear mounting block threadedly connected to the screw rods, a mounting bar provided on the gear mounting block, and a pipette gun fixedly connected to the mounting bar; the gear mounting block is provided with a plurality of rotary gears, the rotary gear is provided with a gear transmission shaft connected to the rotary gear, and the mounting bar is provided with a first vertical rack meshing with the rotary gear. In the intelligent blood separation workstation of the present invention, the three-axis gripping mechanism and the pipette assembly are separated into two independent groups of components, so that the gripping and blood separation functions can be operated separately, thereby improving the efficiency of storage and blood separation, and increasing reliability.

Description

Technical Field

[0001] The present invention relates to a medical sampling device, in particular to an intelligent blood separation workstation. Background Art

[0002] With the widespread application of blood tests in obstetric medicine, the use of blood collection tubes has gradually increased. Blood collection tubes need to be manually sorted, information collected, and blood separated before testing. The existing operation method mainly uses corresponding equipment to manually process each step separately. This manual processing method is prone to errors due to human negligence during the processing process. In addition, manual processing increases the labor cost of processing and there is a risk of cross infection during the processing process. For this reason, it is urgent to design an automated blood separation workstation to realize automatic sorting, collection, and blood separation of blood.

[0003] A fully automated liquid sample processing system and method (Publication No.: CN113848336 A) discloses a liquid sample processing system with a three-axis motion module mounted on its chassis. The output of the three-axis motion module houses components such as a pipette and an electric gripper. During operation, the pipette, driven by the three-axis motion module, moves, separating blood from a blood collection tube.

[0004] This structure of the liquid sample processing system realizes the automatic blood separation function, but the electric clamp used to operate the blood collection tubes and the pipette used for blood separation are arranged on the same three-axis motion module, which reduces the efficiency of sorting and separating the blood collection tubes and increases the overall weight of the moving mechanism including the pipette and electric clamp. Since the moving mechanism is arranged on the cantilever of the three-axis motion module, the reliability and service life of the three-axis motion module are greatly reduced.

[0005] In addition, due to structural limitations, the three-axis motion module of the liquid sample processing system is only equipped with a single pipette, which makes its blood separation efficiency low. Summary of the Invention

[0006] In order to solve the above technical problems, the purpose of the present invention is to provide an intelligent blood separation workstation with high blood separation efficiency and reliability.

[0007] The intelligent blood separation workstation of the present invention comprises a workbench and a cover having a bottom end fixedly connected to the workbench. The intelligent blood separation workstation further comprises:

[0008] A storage box for storing cryopreservation tubes and blood collection tubes, wherein the storage box is provided with a plurality of storage slots for placing cryopreservation boxes or plate rack boxes, wherein the plate rack boxes are used to store blood collection tubes;

[0009] The blood collection tube fixing assembly is used to fix the blood collection tube, including a fixed clamping claw and a clamping claw driver that drives the fixed clamping claw to grab the blood collection tube;

[0010] A tip storage rack is used to store tips, comprising a rack body and a tip storage plate provided on the rack body;

[0011] The three-axis gripping mechanism is used to transport cryopreservation tubes, blood collection tubes, cryopreservation boxes and plate rack boxes, including a three-dimensional mobile drive assembly provided on the cover, a single tube gripping device provided at the output end of the three-dimensional mobile drive assembly, and a box gripping device;

[0012] A pipetting assembly for aspirating blood from a blood collection tube and injecting the blood into a cryotube, comprising a mounting frame slidably mounted on a main rail, a mounting frame displacement drive device for driving the mounting frame to move laterally, a plurality of screws mounted on the mounting frame, a gear mounting block threadedly connected to the screws, a mounting bar mounted on the gear mounting block and capable of vertical elevation, and a pipette gun positioned above the storage box, the blood collection tube fixing assembly, and the pipette tip storage rack and fixedly connected to the mounting bar.

[0013] The main guide rail is arranged on the inner wall of the cover shell, the gear mounting block is provided with a plurality of rotary gears, the rotary gears are provided with a gear transmission shaft connected to the rotary gears, the mounting bar is provided with a first vertical rack meshing with the rotary gears, and the mounting frame is also provided with a screw drive motor for driving the screw to rotate, and a gear shaft drive motor for driving the gear transmission shaft to rotate;

[0014] The storage box, blood collection tube fixing assembly and suction tip storage rack are all arranged on the surface of the workbench.

[0015] The advantage of this intelligent blood separation workstation is that its three-axis grasping mechanism for transporting blood collection tubes, cryopreservation tubes, plate rack boxes or cryopreservation boxes is separated from the pipetting component used for blood separation and is set as two independent components. Both are driven by corresponding power devices respectively, so that the grasping and blood separation functions can be operated separately, thereby improving the efficiency of storage and blood separation.

[0016] The three-axis gripping mechanism and pipetting assembly are separately mounted on the housing, reducing the weight of each unit and ensuring more stable and reliable operation. Furthermore, the separate pipetting assembly, through internal components such as a screw and gear shaft, allows for the installation of multiple pipettes. Operators can install as many pipettes as needed, thereby improving blood separation efficiency.

[0017] Furthermore, the intelligent blood separation workstation of the present invention is also provided with a blood collection tube code scanning mechanism on the workbench, and the blood collection tube code scanning mechanism includes an operating table, on which a blood collection tube clamping device is provided, and a blood collection tube code scanner is provided on one side of the blood collection tube clamping device, and the blood collection tube code scanner is fixedly connected to the operating table through a support frame.

[0018] The setting of the blood collection tube code scanning mechanism realizes the scanning of the blood collection tube, thereby realizing the automatic identification of the blood collection tube, further improving the intelligence of the workstation.

[0019] Furthermore, in the intelligent blood separation workstation of the present invention, a surface of the operating table is provided with a plurality of baffles, which surround and form a plate rack box positioning groove adapted to the plate rack box.

[0020] The setting of the baffle realizes the positioning function of the plate rack box.

[0021] Furthermore, the intelligent blood separation workstation of the present invention is provided with a plate rack box code scanning mechanism on the workbench, the plate rack box code scanning mechanism includes a detection table, a plate rack box code scanner is installed on the detection table, and a plate rack box positioning groove for positioning the plate rack box is provided on the surface of the detection table.

[0022] The plate rack box code scanning mechanism is provided to scan the plate rack box, thereby further improving the intelligence of the workstation.

[0023] Furthermore, in the intelligent blood separation workstation of the present invention, the blood collection tube scanner and the plate rack box scanner are barcode scanners or QR code scanners.

[0024] Furthermore, in the intelligent blood separation workstation of the present invention, main rail mounting plates are respectively provided on the front and rear inner walls of the cover, there are two main rails respectively installed on the front and rear main rail mounting plates, and main racks are also provided on the main rail mounting plates.

[0025] The setting of the main rail mounting plate realizes the installation of the main rail and the main rack, thereby making it convenient for the operator to install the three-axis grasping mechanism and the pipetting component on the cover.

[0026] Furthermore, in the intelligent blood separation workstation of the present invention, proximity switches are respectively provided at both ends of the main rail mounting plate, and switch plates corresponding to the proximity switches are provided on the three-dimensional mobile drive assembly and the mounting frame.

[0027] The arrangement of the proximity switch and the switch plate realizes the initial positioning and limiting functions of the three-dimensional mobile drive component and the mounting frame.

[0028] Furthermore, in the intelligent blood separation workstation of the present invention, the three-dimensional movable drive assembly includes a mounting back plate, mounting wings fixedly connected to the mounting back plate are respectively provided at both ends of the mounting back plate, a mounting slide is provided on the front side of the mounting back plate, a longitudinal slider is provided on the mounting slide, and the longitudinal slider is slidably engaged with a straight rail on the surface of the mounting back plate;

[0029] The bottom surface of the mounting wing plate is provided with a slider adapted to the main rail, and a transverse drive motor is provided on one of the mounting wing plates. The body of the transverse drive motor is fixedly mounted on the surface of the mounting wing plate, and the output end thereof is connected to a main gear meshing with the main rack;

[0030] The mounting back plate is also provided with a longitudinal drive motor, the body of the longitudinal drive motor is fixedly mounted on the mounting back plate, the output end of the longitudinal drive motor is connected to the skateboard timing belt through the skateboard timing wheel, and the skateboard timing belt is connected to the mounting skateboard or the longitudinal slider;

[0031] Two mounting vertical plates for mounting a single-tube grabbing device and a box grabbing device are respectively provided on the front side of the mounting slide. The mounting vertical plates are slidably arranged on the surface of the mounting slide through sliders and guide rail groups. The mounting slide is also provided with two vertical drive motors fixedly connected to the machine body and the mounting slide. The output ends of the vertical drive motors are connected to gears, and the mounting vertical plates are provided with second vertical racks that mesh with the gears at the output ends of the vertical drive motors.

[0032] The transverse drive motor, longitudinal drive motor and vertical drive motor respectively realize the transverse, longitudinal and vertical displacement driving of the single tube grasping device and the box body grasping device.

[0033] Furthermore, in the intelligent blood separation workstation of the present invention, the single tube grabbing device and the box grabbing device are respectively arranged on two mounting vertical plates.

[0034] Furthermore, in the intelligent blood separation workstation of the present invention, the installation frame of the pipetting component is a frame structure with an open bottom, support platforms are respectively provided at both ends, and sliders adapted to the main rails are provided on the bottom surfaces of the support platforms.

[0035] Furthermore, in the intelligent blood separation workstation of the present invention, the installation frame displacement driving device includes an installation frame driving motor provided on one of the support platforms, and the output end of the installation frame driving motor is connected to a gear meshing with the main rack.

[0036] The mounting frame drives the motor to move laterally along the main guide rail via the gear at its output end and the main rack on the cover.

[0037] Furthermore, in the intelligent blood separation workstation of the present invention, an exhaust fan is installed on the outer side of the installation frame.

[0038] The exhaust fan is used to achieve the cooling function.

[0039] Furthermore, in the intelligent blood separation workstation of the present invention, the body of the screw drive motor is fixedly mounted on the outer surface of the mounting frame, the output end of the motor is connected to the screw via a coupling, and the gear mounting block is connected to the screw via threads.

[0040] The screw drive motor drives the gear mounting block to move longitudinally along the screw through the screw that is screwed with the gear mounting block. In order to make the gear mounting block move stably, a slide block that is adapted to the track on the inner wall of the mounting frame can be set on it.

[0041] Furthermore, in the intelligent blood separation workstation of the present invention, the body of the gear shaft driving motor is fixedly mounted on the outer surface of the mounting frame, and its output end is connected to the gear transmission shaft through a coupling, and the gear transmission shaft can be connected to the rotary gear by a key connection or a tight fit.

[0042] Furthermore, in the intelligent blood separation workstation of the present invention, the gear transmission shaft is a square shaft.

[0043] Furthermore, in the intelligent blood separation workstation of the present invention, the gear mounting block is provided with an L-shaped corner protector, one end of which is fixed to the gear mounting block and the other end is arranged on the outside of the mounting bar.

[0044] The L-shaped corner protector can not only prevent the mounting bar from deflecting when moving, thereby making it stable when rising and falling, but also serve as a limit for the pipette.

[0045] Furthermore, in the intelligent blood separation workstation of the present invention, the blood collection tube fixing assembly also includes a protective cover, which is fixed on the workbench, a positioning seat mounting plate is provided inside the protective cover, a clamp driver positioning seat is provided on the positioning seat mounting plate, the body of the clamp driver is fixed on the clamp driver positioning seat, and an operating hole corresponding to the fixed clamp is opened on the top wall of the protective cover.

[0046] The provision of the protective cover realizes the protection of the fixed clamping jaw, the clamping jaw driver and other components, and the provision of the clamping jaw driver positioning seat realizes the installation of the clamping jaw driver.

[0047] Furthermore, in the intelligent blood separation workstation of the present invention, the positioning seat mounting plate is further provided with an image collector and a graphic collector displacement driving device for driving the image collector to move.

[0048] The image collector is used to capture images of the pipette when it draws blood. The controller can use the image to identify the liquid level and then control the pipette to draw blood in layers, thereby achieving the packaging of different types of blood.

[0049] The image collector displacement driving device is used to drive the image collector to move along the track on the surface of the positioning seat mounting plate to realize the separate acquisition of the images of each blood sampling tube.

[0050] Furthermore, in the intelligent blood separation workstation of the present invention, a cleaning tank is provided on the tip storage rack for temporarily storing tips removed from the pipette.

[0051] The cleaning tank is used to temporarily store the pipette tips.

[0052] Furthermore, in the intelligent blood separation workstation of the present invention, a temporary storage rack is provided outside the storage box, and a temporary storage box to be transferred for placing the plate rack box is provided on the temporary storage rack.

[0053] The temporary storage rack and the temporary storage box to be transferred thereon are provided to realize the temporary storage function of the plate rack box. When the plate rack box in the storage box is moved out, the plate rack box in the temporary storage box to be transferred can be moved into the storage box under the operation of the three-dimensional grasping mechanism to wait for blood separation.

[0054] Furthermore, the intelligent blood separation workstation of the present invention is further provided with a cryotube decapping machine on the workbench, the cryotube decapping machine comprising a casing with a cryobox inlet and outlet provided on the surface thereof, a base plate provided in the casing, a fixed plate provided on the surface of the base plate with a bottom end fixedly connected to the base plate, a pull tray provided at the cryobox inlet and outlet at the front end of the base plate, a switch cover assembly provided on the front side of the fixed plate, the cryotube decapping machine further comprising a pull tray displacement driving device for driving the pull tray to move along the surface of the base plate, and a switch cover assembly lifting device for driving the switch cover assembly to rise and fall;

[0055] The switch cover assembly includes a tray, one end of which is slidably arranged on the surface of the fixed plate, the surface of the tray is provided with a plurality of positioning holes, a mounting frame is provided above the tray, the mounting frame includes a top plate, and a plurality of groups of rotary cover assemblies are provided below the top plate and located above the positioning holes, and rotary cover power devices are provided on both sides of the top plate;

[0056] The rotary cover assembly includes a linkage rod with a top end connected to the top plate through a bearing, a linkage synchronous wheel provided on the circumference of the linkage rod, a fixing platform provided at the bottom end of the linkage rod, a connecting rod fixedly connected to the fixing platform at the top end, a snap-fit ​​platform provided at the bottom end of the connecting rod and corresponding to the positioning hole, and a spring connected to the fixing platform at the top end and the snap-fit ​​platform at the bottom end;

[0057] The capping power device includes a bottom plate arranged below the top plate, a driving synchronous wheel and a plurality of driven synchronous wheels arranged on the bottom plate, and a synchronous wheel driving motor fixedly connected to the body and the bottom plate. The main shaft ends of the driving synchronous wheel and the driven synchronous wheel are respectively arranged on the top plate and the bottom plate. The output end of the synchronous wheel driving motor is connected to the driving synchronous belt, which is connected to the driving synchronous belt. The driving synchronous wheel and the driven synchronous wheel are connected through gears.

[0058] The driving synchronous wheel and the driven synchronous wheel are both provided with linkage synchronous belts, and each linkage synchronous belt is further connected with the linkage synchronous wheels on a plurality of linkage rods.

[0059] The setting of the screw cap assembly realizes the automatic opening and closing function of the cryopreservation tube, thereby further improving the automation performance of the intelligent blood separation workstation.

[0060] The above description is only an overview of the technical solution of the present invention. In order to more clearly understand the technical means of the present invention and implement them in accordance with the contents of the specification, the embodiments of the present invention are described in detail below. BRIEF DESCRIPTION OF THE DRAWINGS

[0061] Figure 1This is the appearance of the intelligent blood separation workstation.

[0062] Figure 2 This is the internal structure diagram of the intelligent blood separation workstation.

[0063] Figure 3 This is another internal structure diagram of the intelligent blood separation workstation.

[0064] Figure 4 This is a diagram of the coordination between the three-dimensional gripping mechanism and the pipetting components and the main rail.

[0065] Figure 5 yes Figure 4 A partial enlarged view of part A in the middle.

[0066] Figure 6 This is a disassembled diagram of the blood collection tube fixing assembly and the tip storage rack.

[0067] Figure 7 is a perspective view of the pipetting assembly.

[0068] Figure 8 This is a disassembled diagram of the pipetting component.

[0069] Figure 9 It is a partial three-dimensional diagram of the pipetting component.

[0070] Figure 10 It is another partial stereoscopic view of the pipetting component.

[0071] Figure 11 yes Figure 10 A partial enlarged view of part A in the middle.

[0072] Figure 12 yes Figure 10 A partial enlarged view of part B in the middle.

[0073] Figure 13 It is a stereoscopic diagram of the three-dimensional grasping mechanism.

[0074] Figure 14 This is another stereoscopic diagram of the three-dimensional gripping mechanism.

[0075] Figure 15 This is a partial disassembly diagram of the three-dimensional grasping mechanism.

[0076] Figure 16 It is a three-dimensional diagram of the plate rack box scanning mechanism.

[0077] Figure 17 It is a three-dimensional diagram of the blood collection tube scanning mechanism.

[0078] Figure 18 It is a three-dimensional diagram of a storage box.

[0079] Figure 19 It is a three-dimensional diagram of the tip storage rack.

[0080] Figure 20 It is a three-dimensional diagram of a cryotube decapping machine.

[0081] Figure 21 This is a diagram of the internal structure of a cryotube decapping machine.

[0082] Figure 22 This is a partial disassembly diagram of the cryotube decapping machine.

[0083] Figure 23 This is a partial disassembly diagram of the switch cover assembly.

[0084] Figure 24 It is a three-dimensional view of the screw cap assembly and the cryotube.

[0085] Figure 25 It is a three-dimensional view of the pipette, gear mounting block, mounting bar and other components.

[0086] Among them, workbench 1, cover 2, main rail mounting plate 2-1, main rack 2-3, proximity switch 2-4, switch plate 2-6, storage box 3, storage slot 3-1, temporary storage rack 3-2, temporary storage box to be transferred 3-3, cryopreservation tube 4, blood collection tube 5, cryopreservation box 6, plate rack box 7, blood collection tube fixing assembly 8, fixed clamp 8-1, clamp driver 8-2, protective cover 8-3, positioning seat mounting plate 8-4, clamp driver positioning seat 8-6, operation hole 8-7, image collector 8-8, suction head storage rack 9, frame 9-1, suction head storage plate 9-2, cleaning tank 9-3, three-axis grasping mechanism 10, three-dimensional mobile drive assembly 10-1, installation back plate 10-1-1, installation wing plate 10-1-2, installation Slide plate 10-1-3, longitudinal slider 10-1-4, transverse drive motor 10-1-5, main gear 10-1-6, longitudinal drive motor 10-1-7, slide plate synchronous wheel 10-1-8, slide plate synchronous belt 10-1-9, mounting vertical plate 10-1-10, vertical drive motor 10-1-11, second vertical rack 10-1-12, single tube grabbing device 10-2, box body grabbing device 10-3, pipetting assembly 11, mounting frame 11-1, support table 11-1-1, screw 11-2, gear mounting block 11-3, mounting bar 11-4, pipette gun 11-5, rotary gear 11-6, gear transmission shaft 11-7, first vertical rack 11-8, screw drive motor 11-9, gear shaft drive motor 11-10, mounting frame drive motor 11-11, exhaust fan 11-12, L-shaped corner guard 11-13, main rail 12, cryotube opener 13, housing 13-1, base plate 13-2, fixing plate 13-3, pull tray 13-4, switch cover assembly 13-5, tray 13-5-1, positioning hole 13-5-2, top plate 13-5-3, screw cap assembly 13-5-4, linkage rod 13-5-4-1, linkage synchronous wheel 13-5-4-2, fixing platform 13-5-4-3, connecting rod 13-5-4-4, snap-on platform 13-5-4-5, spring 13-5-4-6, bearing 13-5-4-7, screw capping power unit 13-5 -5, bottom plate 13-5-5-1, active synchronous wheel 13-5-5-2, driven synchronous wheel 13-5-5-3, synchronous wheel drive motor 13-5-5-4, drive synchronous belt 13-5-5-5, upper connecting plate 13-5-5-6, connecting column 13-5-5-7, linkage synchronous belt 13-6, pull plate slider 13-7, connecting block 13-8, blood collection tube scanning mechanism 14, operating table 14-1, blood collection tube clamping device 14-2, blood collection tube scanner 14-3, support frame 14-4, baffle 14-5, plate rack box scanning mechanism 15, detection table 16, plate rack box scanner 16-1, plate rack box positioning slot 16-2, ultraviolet lamp 17, suction head 18, freezing box inlet and outlet 19. DETAILED DESCRIPTION

[0087] The following embodiments of the present invention are described in further detail with reference to the accompanying drawings and examples. The following examples are used to illustrate the present invention but are not intended to limit the scope of the present invention.

[0088] See also Figures 1 to 25 The intelligent blood separation workstation of this embodiment includes a workbench 1, a cover 2 whose bottom end is fixedly connected to the workbench, and the intelligent blood separation workstation also includes;

[0089] A storage box 3 is used to store cryopreservation tubes 4 and blood collection tubes 5. The storage box is provided with a plurality of storage slots 3-1 for placing cryopreservation boxes 6 or plate rack boxes 7. The plate rack boxes are used to store blood collection tubes.

[0090] The blood collection tube fixing assembly 8 is used to fix the blood collection tube, including a fixed clamping claw 8-1 and a clamping claw driver 8-2 that drives the fixed clamping claw to grab the blood collection tube;

[0091] The tip storage rack 9 is used to store the tips 18, and includes a rack body 9-1 and a tip storage plate 9-2 provided on the rack body;

[0092] The three-axis gripping mechanism 10 is used to transport cryopreservation tubes, blood collection tubes, cryopreservation boxes, and plate rack boxes. It includes a three-dimensional mobile drive assembly 10-1 provided on the housing, a single tube gripping device 10-2 provided at the output end of the three-dimensional mobile drive assembly, and a box gripping device 10-3;

[0093] The pipetting assembly 11 is used to aspirate blood from a blood collection tube and inject the blood into a cryotube. It includes a mounting frame 11-1 slidably mounted on a main rail 12, a mounting frame displacement drive device for driving the mounting frame to move laterally, a plurality of screw rods 11-2 mounted on the mounting frame, a gear mounting block 11-3 threadedly connected to the screw rods, a mounting bar 11-4 mounted on the gear mounting block and capable of vertical elevation, and a pipette gun 11-5 located above the storage box, the blood collection tube fixing assembly, and the pipette tip storage rack and fixedly connected to the mounting bar.

[0094] The main rail is arranged on the inner wall of the cover, and a plurality of rotary gears 11-6 are provided on the gear mounting block. The rotary gear is provided with a gear transmission shaft 11-7 connected to the rotary gear. The mounting bar is provided with a first vertical rack 11-8 meshing with the rotary gear. The mounting frame is also provided with a screw drive motor 11-9 for driving the screw to rotate, and a gear shaft drive motor 11-10 for driving the gear transmission shaft to rotate.

[0095] The storage box, blood collection tube fixing assembly and pipette tip storage rack are all arranged on the workbench surface.

[0096] The intelligent blood separation workstation of the present invention has a three-axis grasping mechanism for transporting blood collection tubes, cryopreservation tubes, plate rack boxes or cryopreservation boxes, and is separated from the pipetting component for blood separation into two independent components, which are driven by corresponding power devices respectively, so that the grasping and blood separation functions can be operated separately, thereby improving the efficiency of storage, retrieval and blood separation.

[0097] The three-axis gripping mechanism and pipetting assembly are separately mounted on the housing, reducing the weight of each unit and enabling more stable operation. Furthermore, the separate pipetting assembly, through internal components such as a screw and gear shaft, allows for the installation of multiple pipettes. Operators can install as many pipettes as needed, thereby improving blood separation efficiency.

[0098] Among them, the workbench is used for the installation of components such as the cover, storage box, and blood collection tube fixing assembly. The cover provides protection for each component and the installation of the three-axis grasping mechanism and pipetting assembly.

[0099] During operation, the cryobox containing cryotubes and the rack box containing blood collection tubes are placed in the storage slots of the storage box. The three-axis gripping mechanism located above the storage box uses a single-tube gripping device to grab the blood collection tubes in the rack box and transport them between the fixed jaws.

[0100] Subsequently, the fixed clamping jaws are driven by the clamping jaw driver to clamp the blood collection tube, thereby completing the transportation and fixation of the blood collection tube.

[0101] After the tube is clamped and secured, the three-axis gripping mechanism resets, and the mounting frame's displacement drive mechanism moves the mounting frame until the pipette is positioned over the tube. The screw drive motor then rotates the screw, causing the gear mounting block, which is threadedly connected to the screw, to drive the mounting bar and pipette directly over the tube.

[0102] Once the pipette is positioned directly above the blood collection tube, the gear shaft drive motor drives the gear transmission shaft, which in turn rotates the rotary gear. As the rotary gear rotates, the first vertical rack meshing with the rotary gear and the mounting bar connected to it begin to descend until the pipette tip at the bottom of the pipette is inserted into the blood collection tube.

[0103] After the tip is inserted into the blood collection tube, the pipette starts to collect blood. After the blood collection is completed, the pipette assembly can drive the pipette to move to the top of a freezing tube in a similar manner to the above to inject the blood into the freezing tube.

[0104] After the blood is transfused into the cryopreservation tube, all components are reset and ready for the next operation.

[0105] The storage box and the rack box are both box bodies, and grooves or holes adapted to the blood collection tubes or cryotubes are provided in the box bodies for positioning the blood collection tubes or cryotubes. The bottom ends of the blood collection tubes or cryotubes are both disposed in the grooves or holes.

[0106] The fixed clamp includes two symmetrically arranged clamping fingers for clamping the blood collection tube. The clamp driver is used to drive the two clamping fingers to move toward or away from each other to clamp or loosen the blood collection tube. The clamp driver can be a pneumatic finger, an electric finger, or a servo-rotating clamp.

[0107] The tip storage plate is a plate-like structure with several perforations for different tip types. Each tip is suspended from the corresponding perforation on the tip storage plate. When a tip needs to be replaced, the pipette moves over it and automatically loads the tip.

[0108] The pipette is used to draw blood from a blood collection tube and inject it into a cryopreservation tube. It can automatically load and unload the pipette tip and is a commercially available clinical laboratory device. Its specific principles and structure will not be described in detail here.

[0109] The three-dimensional motion drive assembly achieves three-dimensional displacement actuation for the single-tube gripping device and the box gripping device. In this embodiment, the three-dimensional motion drive assembly includes a mounting backplate 10-1-1, with mounting wings 10-1-2 fixedly connected to the mounting backplate at each end, a mounting slide 10-1-3 disposed on the front of the mounting backplate, and a longitudinal slider 10-1-4 disposed on the mounting slide, which slidably engages a straight rail on the surface of the mounting backplate.

[0110] Main rail mounting plates 2-1 are mounted on the front and rear inner walls of the housing. Two main rails are mounted on each of these mounting plates. Main racks 2-3 are also located on these mounting plates. Sliders that mate with the main rails are located on the undersides of these mounting wing plates. A transverse drive motor 10-1-5 is mounted on one of these mounting wing plates. The motor's body is fixed to the surface of the mounting wing plate, and its output is connected to a main gear 10-1-6 that meshes with the main rack.

[0111] A longitudinal drive motor 10-1-7 is also provided on the mounting back plate. The body of the longitudinal drive motor is fixed on the mounting back plate. The output end of the motor is connected to the skateboard synchronous belt 10-1-9 through the skateboard synchronous wheel 10-1-8. The skateboard synchronous belt is connected to the mounting skateboard or the longitudinal slider, thereby driving the mounting skateboard to move longitudinally.

[0112] The front side of the mounting slide is equipped with two vertical mounting plates 10-1-10 for mounting a single-tube grabbing device and a box grabbing device, respectively. These vertical mounting plates are slidably mounted on the surface of the mounting slide via a slider and a guide rail assembly. The mounting slide is also equipped with two vertical drive motors 10-1-11 that securely connect the machine body and the mounting slide. The output ends of these vertical drive motors are connected to gears, and each of these vertical mounting plates is equipped with a second vertical rack 10-1-12 that meshes with the gears at the output ends of the vertical drive motors.

[0113] The single-tube grabbing device and the box grabbing device are respectively arranged on two mounting vertical plates.

[0114] The aforementioned transverse drive motor, longitudinal drive motor, and vertical drive motor respectively drive the transverse, longitudinal, and vertical displacement of the single-tube gripper and box gripper. During operation, the transverse drive motor rotates the main gear, causing the mounting back plate and mounting wing plates to move laterally along the main rails on the housing.

[0115] The longitudinal driving motor on the mounting back plate drives the mounting slide connected with the slide synchronous belt to move longitudinally through the slide synchronous wheel and the slide synchronous belt at its output end.

[0116] The vertical drive motor installed on the slide drives the mounting plate to move vertically through the gear at its output end and the second vertical rack on the mounting plate, thereby driving the single tube grabbing device or the box body grabbing device to move vertically.

[0117] Among them, the single-tube grasping device is used to grasp a single blood collection tube or cryopreservation tube. Its basic principle and structure are similar to those of the fixed clamp, and will not be repeated here.

[0118] The box gripping device is used to grip the entire plate rack box or cryobox. Its basic principle and structure are similar to those of the fixed clamp, except that its clamping fingers are adapted to the cryobox or plate rack box, which will not be described in detail here.

[0119] The pipetting assembly's mounting frame is an open-bottomed frame structure, with support platforms 11-1-1 located at either end. Sliders adapted to the main rails are located on the undersides of the support platforms. The mounting frame's displacement drive mechanism includes a mounting frame drive motor 11-11 located on one of the support platforms. The motor's output is connected to a gear meshing with the main rack. The motor drives the frame laterally along the main rails via the gear at its output and the main rack on the housing.

[0120] Exhaust fans 11-12 can be installed on the outer side of the installation frame to achieve a cooling function.

[0121] The screw-driven motor is fixed to the outer surface of the mounting frame. Its output end is connected to the screw via a coupling, and the gear mounting block is threaded onto the screw. The screw-driven motor drives the gear mounting block longitudinally along the screw via a screw threaded to the gear mounting block. To ensure stable movement of the gear mounting block, a slider that mates with a track on the inner wall of the mounting frame can be mounted on it.

[0122] Similarly, the body of the gear shaft drive motor is also fixed to the outer surface of the mounting frame, and its output end is connected to the gear transmission shaft through a coupling, and the gear transmission shaft can be connected to the rotary gear by a key connection or a tight fit. In this embodiment, the gear transmission shaft is a square shaft.

[0123] During driving, the square shaft drives the rotary gear to rotate under the drive of the gear shaft driving motor, thereby driving the first vertical rack meshing with it, and driving the mounting bar and the pipette gun to move vertically.

[0124] To ensure stable lifting of the mounting bar, the gear mounting block is equipped with L-shaped corner guards 11-13, one end of which is fixed to the gear mounting block and the other end is set on the outside of the mounting bar. This not only prevents the mounting bar from deflecting during movement, thereby ensuring stable lifting, but also serves as a limit for the pipette. Specifically, the tip of the pipette is located below the L-shaped corner guard. When the tip of the pipette contacts the L-shaped corner guard, it can no longer move upward.

[0125] The gear mounting block may include a gear mounting portion for mounting the gear and a screw connecting portion for connecting the screw, and the edge of the mounting bar may be arranged in a slide groove on the side of the gear mounting portion to achieve lifting.

[0126] In this embodiment, the mounting frames of the three-dimensional motion drive assembly and the liquid transfer assembly are all arranged on the same main rail for easy installation. In addition, the three-dimensional motion drive assembly or the liquid transfer assembly can also be installed by two separate rails, which will not be described in detail here.

[0127] To achieve positioning and limiting of the 3D motion drive assembly and mounting frame, proximity switches 2-4 are installed at each end of the main rail mounting plate. Switch plates 2-6 corresponding to the proximity switches are also installed on the mounting wing plates of the 3D motion drive assembly and the support platform of the mounting frame. In this embodiment, the proximity switches are slot-type photoelectric switches. During operation, when the switch plate moves toward the slot-type photoelectric switch, the slot-type photoelectric switch changes state, thereby sending a signal to the controller, which then performs initial positioning and limiting of the 3D motion drive assembly and mounting frame based on this signal.

[0128] Preferably, the blood collection tube fixing assembly also includes a protective cover 8-3, which is fixed on the workbench, a positioning seat mounting plate 8-4 is provided inside the protective cover, a clamp driver positioning seat 8-6 is provided on the positioning seat mounting plate, the body of the above-mentioned clamp driver is fixed on the clamp driver positioning seat, and an operating hole 8-7 corresponding to the fixed clamp is opened on the top wall of the protective cover.

[0129] The provision of the protective cover realizes the protection of the fixed clamping jaw, the clamping jaw driver and other components, and the provision of the clamping jaw driver positioning seat realizes the installation of the clamping jaw driver.

[0130] During operation, the suction head of the pipette passes through the operating hole on the surface of the protective cover and extends into the blood collection tube on the fixed clamp. After the liquid aspiration is completed, the pipette drives the suction head to be removed from the blood collection tube.

[0131] Preferably, the positioning seat mounting plate is further provided with an image collector 8-8 and a graphic collector displacement driving device for driving the image collector to move.

[0132] The image collector is used to capture images of the blood being drawn by the pipette. The controller uses this image to identify the liquid level and control the pipette to draw blood in layers, enabling the separation of different blood types. Specifically, a white and blue light source are provided within the protective cover. The image collector captures white and blue images of the blood collection tube, respectively. Based on these captured images, the controller accurately identifies the height information of the plasma / buffy coat / red blood cells, and then coordinates the pipette to separate the blood. The image collector can be a CCD or CMOS camera.

[0133] The image collector displacement drive device is used to drive the image collector to move along the track on the surface of the positioning seat mounting plate to realize the separate acquisition of images of each blood collection tube. It can be a motor screw type linear displacement drive device, and the specific structure is not repeated here.

[0134] Preferably, a cleaning tank 9-3 is further provided on the tip storage rack for temporarily storing tips removed from the pipette.

[0135] Preferably, a temporary storage rack 3-2 is provided outside the storage box, and a temporary storage box 3-3 to be transferred for placing the plate rack box is provided on the temporary storage rack.

[0136] The temporary storage rack and the temporary storage box to be transferred thereon are provided to realize the temporary storage function of the plate rack box. When the plate rack box in the storage box is moved out, the plate rack box in the temporary storage box to be transferred can be moved into the storage box under the operation of the three-dimensional grasping mechanism to wait for blood separation.

[0137] Preferably, a cryogenic tube decapping machine 13 is further provided on the workbench, comprising a housing 13-1 having a cryogenic box inlet and outlet 19 on its surface, a base plate 13-2 provided in the housing, a fixed plate 13-3 fixedly connected to the base plate on its surface, a pull tray 13-4 located at the cryogenic box inlet and outlet at the front end of the base plate, a switch cover assembly 13-5 provided on the front side of the fixed plate, and the cryogenic tube decapping machine further comprising a pull tray displacement driving device for driving the pull tray to move along the surface of the base plate, and a switch cover assembly lifting device for driving the switch cover assembly to rise and fall.

[0138] The switch cover assembly includes a tray 13-5-1, one end of which is slidably mounted on the surface of the fixed plate. The surface of the tray is provided with a plurality of positioning holes 13-5-2. A mounting frame is provided above the tray. The mounting frame includes a top plate 13-5-3, and below the top plate are provided a plurality of sets of rotary cover assemblies 13-5-4 located above the positioning holes. A rotary cover power unit 13-5-5 is provided on both sides of the top plate.

[0139] The screw cap assembly includes a linkage rod 13-5-4-1 whose top end is connected to the top plate through a bearing, a linkage synchronous wheel 13-5-4-2 provided on the circumference of the linkage rod, a fixed platform 13-5-4-3 provided at the bottom end of the linkage rod, a connecting rod 13-5-4-4 fixedly connected to the fixed platform at the top end, a snap-fit ​​platform 13-5-4-5 provided at the bottom end of the connecting rod and corresponding to the positioning hole, and a spring 13-5-4-6 connected to the fixed platform at the top end and the snap-fit ​​platform at the bottom end;

[0140] The capping power unit includes a bottom plate 13-5-5-1 provided below the top plate, a driving synchronous wheel 13-5-5-2 and a plurality of driven synchronous wheels 13-5-5-3 provided on the bottom plate, and a synchronous wheel drive motor 13-5-5-4 fixedly connected to the machine body and the bottom plate. The main shaft ends of the driving synchronous wheel and the driven synchronous wheel are respectively provided on the top plate and the bottom plate. The output end of the synchronous wheel drive motor is connected to the driving synchronous belt 13-5-5-5, which is connected to the driving synchronous wheel. The driving synchronous wheel and the driven synchronous wheel are connected via gears.

[0141] The driving synchronous wheel and the driven synchronous wheel are both provided with a linkage synchronous belt 13-6, and each linkage synchronous belt is also connected with the linkage synchronous wheels on a plurality of linkage rods.

[0142] The setting of the screw cap assembly realizes the automatic opening and closing function of the cryopreservation tube, thereby further improving the automation performance of the intelligent blood separation workstation.

[0143] During specific operation, the frozen box is input into the matching pull tray through the frozen box inlet and outlet on the surface of the casing. Driven by the pull tray displacement drive device, the pull tray pulls the upper frozen box into the casing until the upper frozen box moves to just below the switch cover assembly.

[0144] Subsequently, the switch cover assembly is driven by the switch cover assembly lifting device to descend until the top covers of the freezing tubes on the freezing box pass through the positioning holes on the tray surface and contact the buckle platform.

[0145] The latching platform is equipped with several latches that correspond to the top cover, allowing it to be locked in place. Once the top cover is locked by the latches, the capping power unit drives the linkage rods of each capping assembly via a synchronous belt, which in turn drives the connected fixed platform and connecting rod. The latching platform at the bottom of the connecting rod rotates under the drive of the connecting rod, driving the top cover to rotate. As the top cover rotates, the latching platform, under the reverse action of the top cover, overcomes the spring force and rises a certain distance along the connecting rod until the top cover is completely separated from the cryotube body. After this, all components are reset, and the cryobox can be moved to the desired position by the three-axis gripping mechanism. Once the cryotubes are loaded with blood, the three-axis gripping mechanism transfers the cryobox to the pull tray, whereupon the lid assembly screws the top cover onto the cryotube body in the reverse order of the above process.

[0146] The buckle platform can be connected to the connecting rod by a key connection, so that it can rotate synchronously with the connecting rod and can also be lifted and lowered along the connecting key.

[0147] The side of the buckle platform has a plurality of buckles, which can clamp the top cover and drive the top cover to rotate at the same time. For example, the buckles have a certain elasticity, and the buckles clamp the top cover at the center of the buckles through elastic force.

[0148] The pulling plate displacement driving device is a screw-type linear displacement driving device, which includes a motor fixed on a base plate, a screw connected to the output end of the motor, and a pulling plate slider 13-7 that cooperates with the screw thread and is fixed to the pulling plate.

[0149] Similarly, the lifting device of the switch cover assembly is also a screw-type linear displacement device, whose driving motor is fixed to the top of the fixed plate, and the top of the screw is connected to the output end of the driving motor. The above-mentioned top plate and tray are both connected to the screw thread through the connecting block 13-8 at the front end, and sliders adapted to the surface track of the fixed plate are respectively provided on both sides of the connecting block.

[0150] Preferably, the linkage rod is also equipped with a bearing 13-5-4-7 to reduce friction between the linkage rod and the linkage belt on the adjacent linkage rod. This bearing can be located above or below the linkage synchronous pulley. The upper and lower bearings of the rotary cap assembly are driven by the left and right rotary cap power units, respectively, to facilitate installation and reduce the overall size of the rotary cap assembly.

[0151] Preferably, the cap screwing power device further comprises an upper connecting plate 13-5-5-6, which is fixedly connected to the top plate and is fixedly connected to the bottom plate via a connecting column 13-5-5-7, and the top ends of the main shafts of the active synchronous wheel and the driven synchronous wheel are both arranged on the upper connecting plate.

[0152] In this embodiment, a driving synchronous wheel is mounted at one end of the baseplate, and a synchronous wheel drive motor is mounted at the other end. Several driven synchronous wheels are mounted between the driving synchronous wheel and the synchronous wheel drive motor. A deflecting synchronous wheel connected to the driving synchronous belt is also provided at the edge of the baseplate, separating the driving synchronous belt from the driven synchronous wheels. Gears meshing with each other are mounted at the top of the axles of the driving and driven synchronous wheels, achieving linkage between the driving and driven synchronous wheels.

[0153] Preferably, a blood collection tube scanning mechanism 14 is also provided on the workbench, and the blood collection tube scanning mechanism includes an operating table 14-1, on which a blood collection tube clamping device 14-2 is provided, and a blood collection tube scanner 14-3 is provided on one side of the blood collection tube clamping device, and the blood collection tube scanner is fixedly connected to the operating table through a support frame 14-4.

[0154] The setting of the blood collection tube code scanning mechanism realizes the scanning of the blood collection tube, thereby realizing the automatic identification of the blood collection tube, further improving the intelligence of the workstation.

[0155] The operating table is used to install components such as the blood collection tube clamping device and the blood collection tube code scanner. At the same time, its surface is also used to place the plate rack box.

[0156] The blood collection tube clamping device is similar to the blood collection tube fixing assembly. It is an electric or pneumatic finger-driven clamping device and will not be described in detail here.

[0157] A plurality of baffles 14 - 5 may be provided on the surface of the operating table, and the baffles surround and form a plate rack box positioning groove adapted to the plate rack box.

[0158] Similarly, a plate rack box code scanning mechanism 15 can also be provided on the workbench to scan the plate rack box. The plate rack box code scanning mechanism includes a detection table 16, on which a plate rack box code scanner 16-1 is installed, and a plate rack box positioning groove 16-2 for positioning the plate rack box is provided on the surface of the detection table.

[0159] The blood collection tube scanner and the plate rack box scanner can be barcode scanners, QR code scanners and other scanning devices or RFID identifiers and other automatic identification devices.

[0160] Preferably, an ultraviolet lamp 17 can be further provided in the housing for disinfection.

[0161] The above are only preferred embodiments of the present invention, which are used to assist those skilled in the art to implement the corresponding technical solutions, and are not used to limit the scope of protection of the present invention, which is defined by the appended claims. It should be pointed out that for those skilled in the art, a number of equivalent improvements and variations can be made based on the technical solutions of the present invention, and these improvements and variations should also be regarded as the scope of protection of the present invention. At the same time, it should be understood that although this specification is described in accordance with the above-mentioned embodiments, not every embodiment contains only one independent technical solution. This narrative method of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole, and the technical solutions of each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. An intelligent blood separation workstation, comprising a workbench and a cover having a bottom end fixedly connected to the workbench, characterized in that: The intelligent blood separation workstation also includes: A storage box for storing cryopreservation tubes and blood collection tubes, wherein the storage box is provided with a plurality of storage slots for placing cryopreservation boxes or plate rack boxes, wherein the plate rack boxes are used to store blood collection tubes; The blood collection tube fixing assembly is used to fix the blood collection tube, including a fixed clamping claw and a clamping claw driver that drives the fixed clamping claw to grab the blood collection tube; A tip storage rack is used to store tips, comprising a rack body and a tip storage plate provided on the rack body; The three-axis gripping mechanism is used to transport cryopreservation tubes, blood collection tubes, cryopreservation boxes and plate rack boxes, including a three-dimensional mobile drive assembly provided on the cover, a single tube gripping device provided at the output end of the three-dimensional mobile drive assembly, and a box gripping device; A pipetting assembly for aspirating blood from a blood collection tube and injecting the blood into a cryotube, comprising a mounting frame slidably mounted on a main rail, a mounting frame displacement drive device for driving the mounting frame to move laterally, a plurality of screws mounted on the mounting frame, a gear mounting block threadedly connected to the screws, a mounting bar mounted on the gear mounting block and capable of vertical elevation, and a pipette gun positioned above the storage box, the blood collection tube fixing assembly, and the pipette tip storage rack and fixedly connected to the mounting bar. The main guide rail is arranged on the inner wall of the cover shell, the gear mounting block is provided with a plurality of rotary gears, the rotary gears are provided with a gear transmission shaft connected to the rotary gears, the mounting bar is provided with a first vertical rack meshing with the rotary gears, and the mounting frame is also provided with a screw drive motor for driving the screw to rotate, and a gear shaft drive motor for driving the gear transmission shaft to rotate; The storage box, blood collection tube fixing assembly and pipette tip storage rack are all arranged on the workbench surface; The body of the screw drive motor is fixed on the outer surface of the mounting frame, the output end of the motor is connected to the screw through a coupling, and the gear mounting block is connected to the screw through a thread; The body of the gear shaft driving motor is fixed on the outer surface of the mounting frame, and the output end thereof is connected to the gear transmission shaft through a coupling, and the gear transmission shaft can be connected to the rotary gear by a key connection or a tight fit.

2. The intelligent blood separation workstation according to claim 1, characterized in that: The workbench is also provided with a blood collection tube code scanning mechanism, which includes an operating table, a blood collection tube clamping device is provided on the operating table, a blood collection tube code scanner is provided on one side of the blood collection tube clamping device, and the blood collection tube code scanner is fixedly connected to the operating table through a support frame.

3. The intelligent blood separation workstation according to claim 2, characterized in that: A plurality of baffles are provided on the surface of the operating table, and the baffles surround and form a plate rack box positioning groove adapted to the plate rack box.

4. The intelligent blood separation workstation according to claim 3, characterized in that: The workbench is also provided with a plate rack box code scanning mechanism, which includes a detection platform, on which a plate rack box code scanner is installed, and a plate rack box positioning groove for positioning the plate rack box is provided on the surface of the detection platform.

5. The intelligent blood separation workstation according to claim 4, characterized in that: The blood collection tube scanner and the plate rack box scanner are bar code scanners or QR code scanners.

6. The intelligent blood separation workstation according to claim 1, characterized in that: Main rail mounting plates are respectively arranged on the front and rear inner walls of the cover shell. There are two main rails which are respectively mounted on the main rail mounting plates at the front and rear sides. Main racks are also arranged on the main rail mounting plates.

7. The intelligent blood separation workstation according to claim 6, characterized in that: Proximity switches are respectively provided at both ends of the main rail mounting plate, and switch plates corresponding to the proximity switches are provided on the three-dimensional motion drive assembly and the mounting frame.

8. The intelligent blood separation workstation according to claim 1, characterized in that: The three-dimensional motion drive assembly includes a mounting back plate, with mounting wings fixedly connected to the mounting back plate at both ends, a mounting slide provided on the front side of the mounting back plate, a longitudinal slider provided on the mounting slide, and the longitudinal slider slidingly cooperating with a straight rail on the surface of the mounting back plate; The bottom surface of the mounting wing plate is provided with a slider adapted to the main rail, and a transverse drive motor is provided on one of the mounting wing plates. The body of the transverse drive motor is fixedly mounted on the surface of the mounting wing plate, and the output end thereof is connected to a main gear meshing with the main rack; The mounting back plate is also provided with a longitudinal drive motor, the body of the longitudinal drive motor is fixedly mounted on the mounting back plate, the output end of the longitudinal drive motor is connected to the skateboard timing belt through the skateboard timing wheel, and the skateboard timing belt is connected to the mounting skateboard or the longitudinal slider; Two mounting vertical plates for mounting a single-tube grabbing device and a box grabbing device are respectively provided on the front side of the mounting slide. The mounting vertical plates are slidably arranged on the surface of the mounting slide through sliders and guide rail groups. The mounting slide is also provided with two vertical drive motors fixedly connected to the machine body and the mounting slide. The output ends of the vertical drive motors are connected to gears, and the mounting vertical plates are provided with second vertical racks that mesh with the gears at the output ends of the vertical drive motors.

9. The intelligent blood separation workstation according to claim 8, characterized in that: The single-tube grabbing device and the box body grabbing device are respectively arranged on two mounting vertical plates.

10. The intelligent blood separation workstation according to claim 1, characterized in that: The installation frame of the pipetting assembly is a frame structure with an open bottom, and support platforms are respectively provided at both ends of the frame. Slide blocks adapted to the main guide rails are provided on the bottom surfaces of the support platforms.

11. The intelligent blood separation workstation according to claim 10, characterized in that: The installation frame displacement driving device includes an installation frame driving motor arranged on one of the support platforms, and the output end of the installation frame driving motor is connected to a gear meshing with the main rack.

12. The intelligent blood separation workstation according to claim 10, characterized in that: An exhaust fan is installed on the outer side of the installation frame.

13. The intelligent blood separation workstation according to claim 10, characterized in that: The gear transmission shaft is a square shaft.

14. The intelligent blood separation workstation according to claim 10, characterized in that: The gear mounting block is provided with an L-shaped corner guard, one end of which is fixed to the gear mounting block, and the other end is arranged on the outside of the mounting bar.

15. The intelligent blood separation workstation according to claim 1, characterized in that: The blood collection tube fixing assembly also includes a protective cover, which is fixed on the workbench. A positioning seat mounting plate is provided inside the protective cover, and a clamp driver positioning seat is provided on the positioning seat mounting plate. The body of the clamp driver is fixed on the clamp driver positioning seat, and an operating hole corresponding to the fixed clamp is opened on the top wall of the protective cover.

16. The intelligent blood separation workstation according to claim 15, characterized in that: The positioning seat mounting plate is also provided with an image collector and a graphic collector displacement driving device for driving the image collector to move.

17. The intelligent blood separation workstation according to claim 1, characterized in that: A cleaning tank is also provided on the tip storage rack to temporarily store the tips discharged from the pipette.

18. The intelligent blood separation workstation according to claim 1, characterized in that: A temporary storage rack is arranged outside the storage box, and a temporary storage box to be transferred for placing the plate rack box is arranged on the temporary storage rack.

19. The intelligent blood separation workstation according to claim 1, characterized in that: The workbench is also provided with a cryogenic tube decapping machine, which includes a casing with a cryogenic box inlet and outlet provided on the surface, a base plate provided in the casing, a fixed plate provided on the surface of the base plate with a bottom end fixedly connected to the base plate, a pull-up plate located at the cryogenic box inlet and outlet at the front end of the base plate, and a switch cover assembly provided on the front side of the fixed plate. The cryogenic tube decapping machine also includes a pull-up plate displacement driving device for driving the pull-up plate to move along the surface of the base plate, and a switch cover assembly lifting device for driving the switch cover assembly to rise and fall. The switch cover assembly includes a tray, one end of which is slidably arranged on the surface of the fixed plate, the surface of the tray is provided with a plurality of positioning holes, a mounting frame is provided above the tray, the mounting frame includes a top plate, and a plurality of groups of rotary cover assemblies are provided below the top plate and located above the positioning holes, and rotary cover power devices are provided on both sides of the top plate; The rotary cover assembly includes a linkage rod with a top end connected to the top plate through a bearing, a linkage synchronous wheel provided on the circumference of the linkage rod, a fixing platform provided at the bottom end of the linkage rod, a connecting rod fixedly connected to the fixing platform at the top end, a snap-fit ​​platform provided at the bottom end of the connecting rod and corresponding to the positioning hole, and a spring connected to the fixing platform at the top end and the snap-fit ​​platform at the bottom end; The capping power device includes a bottom plate arranged below the top plate, a driving synchronous wheel and a plurality of driven synchronous wheels arranged on the bottom plate, and a synchronous wheel driving motor fixedly connected to the body and the bottom plate. The main shaft ends of the driving synchronous wheel and the driven synchronous wheel are respectively arranged on the top plate and the bottom plate. The output end of the synchronous wheel driving motor is connected to the driving synchronous belt, which is connected to the driving synchronous belt. The driving synchronous wheel and the driven synchronous wheel are connected through gears. The driving synchronous wheel and the driven synchronous wheel are both provided with linkage synchronous belts, and each linkage synchronous belt is further connected with the linkage synchronous wheels on a plurality of linkage rods.

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