Sample pipetting and cup distributing workstation

Abstract

The utility model discloses a sample pipetting and cup distributing workstation which comprises a cup transferring device, a cup storage seat, a liquid transferring device, a liquid storage seat, a cup positioning device, a supporting device and a cover overturning device, the cup storage seat is used for storing at least three tube storage station sample tubes, the liquid storage seat is used for storing reagents, a cup positioning device is mounted beside the cup storage seat and the liquid storage seat, and a liquid injection station is arranged in the middle of the cup positioning device; the cup positioning device is located between the cup storage seat and the liquid storage seat, and a supporting device is installed above the cup storage seat, the cup positioning device and the liquid storage seat; the hinged position of the buckling cover in the sample tube faces the cup storage base, and a pushing part is installed on the side, close to the liquid transferring device, of the cup transferring device and used for pushing the buckling cover to buckle the sample tube. The sample pipetting and cup separating workstation solves the problem that in the prior art, a sample tube with a buckling cover cannot open and close the buckling cover.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of biological sample processing, and specifically relates to a sample pipetting and cup dividing workstation. BACKGROUND

[0002] Chinese patent discloses a kind of application No. CN202211241758.5 sample cup dividing device and cup dividing method, the sample cup dividing device includes workbench, multiple sample rack components, pipe moving component, bottle clamping component, deep hole plate component, liquid taking component and liquid level detection component;Sample rack component is provided with multiple accommodating cavities accommodating sample tube;Pipe moving component includes cap screwing mechanism and bar code scanning piece, cap screwing mechanism can be clamped and screw tube cap, bar code scanning piece is used to scan the bar code information of sample tube;Bottle clamping mechanism is used to clamp sample tube;Liquid containing groove is used to accommodate sample liquid in sample tube;Liquid taking component is slidably connected to workbench, including multiple suction head clamping claws for clamping suction head, suction head is used to suck sample liquid;Liquid level camera can take photograph to suction head to identify the height of sample liquid.

[0003] Although the sample cup dividing device can realize pipetting and cup dividing action, the sample cup dividing device still has the following shortcomings: some sample tubes are provided with snap-on covers, the sample tube includes a tube body and a snap-on cover, the snap-on cover is hingedly connected to the top of the tube body, and the snap-on cover is snap-on to the tube body. Although the cap screwing mechanism can clamp and screw the tube cap, it cannot open the cover and close the snap-on cover for the sample tube provided with the snap-on cover. UTILITY MODEL CONTENT

[0004] The utility model provides a kind of sample pipetting and cup dividing workstation, solves the problem that sample tube provided with snap-on cover cannot be opened and closed in prior art.

[0005] To achieve the above object, the utility model adopts the following technical scheme:

[0006] The utility model discloses a sample pipetting and cup separating workstation, which comprises a cup transferring device, a cup storage seat, a liquid transferring device, a liquid storage seat, a cup positioning device, a supporting device and a cap overturning device.

[0007] Preferably, the liquid storage seat comprises a storage base, a container storage seat, storage containers and a positioning mechanism. The storage base is installed beside the cup positioning device. The positioning mechanism is installed on the storage base and positions the container storage seat on the storage base. The container storage seat is inserted with a plurality of storage containers, and the storage containers store reagents.

[0008] Preferably, the positioning mechanism comprises a first positioning column, a second positioning column, a first elastic pushing mechanism and a second elastic pushing mechanism. The first positioning column, the second positioning column, the first elastic pushing mechanism and the second elastic pushing mechanism are installed on the storage base. The first positioning column is inserted into a positioning hole opened on the first side of the container storage seat, and the second positioning column is in close contact with the second side of the container storage seat. The first side of the container storage seat is adjacent to the second side, and the first side is perpendicular to the second side. The first elastic pushing mechanism is in close contact with the third side of the container storage seat, and the first elastic pushing mechanism makes the container storage seat have a movement trend towards the first positioning column. The second elastic pushing mechanism is in close contact with the fourth side of the container storage seat, and the second elastic pushing mechanism makes the container storage seat have a movement trend towards the second positioning column.

[0009] Preferably, the cap overturning device comprises an overturning frame and a rotary driving motor. The output shaft of the rotary driving motor is fixed to the overturning frame, and the overturning frame can hook the edge of the buckling cap.

[0010] Preferably, the overturning frame comprises an overturning rod, a door-shaped frame, a fixed rod and a rotary arm. The overturning rod is used for hooking the edge of the buckling cap. The overturning rod is fixed on the door-shaped frame. The door-shaped frame is fixed on the fixed rod. The fixed rod is fixed on one end of the rotary arm. The other end of the rotary arm is fixed to the output end of the rotary driving motor.

[0011] Preferably, the turnover rod and the door-shaped frame form a window for the buckle cover to extend into.

[0012] Preferably, the cup transferring device comprises a first cup linear driving mechanism, a first cup moving seat, a second cup linear driving mechanism, a second cup moving seat, a cup lifting driving mechanism, a cup lifting seat and a clamping mechanical hand, the first cup linear driving mechanism and the first cup moving seat are installed on the support device, the output end of the first cup linear driving mechanism is connected to the first cup moving seat, the first cup linear driving mechanism is used to drive the first cup moving seat to move in the X direction relative to the support device, the second cup linear driving mechanism and the second cup moving seat are installed on the first cup moving seat, the second cup linear driving mechanism is used to drive the second cup moving seat to move in the Z direction relative to the first cup moving seat, the cup lifting driving mechanism and the cup lifting seat are installed on the second cup moving seat, the cup lifting driving mechanism is used to drive the cup lifting seat to move in the Y direction relative to the second cup moving seat, and the clamping mechanical hand is installed on the cup lifting seat.

[0013] Preferably, the liquid transferring device comprises a first liquid linear driving mechanism, a first liquid moving seat, a second liquid linear driving mechanism, a second liquid moving seat, a liquid lifting driving mechanism, a liquid lifting seat and a liquid suction and discharge execution part, the first liquid linear driving mechanism and the first liquid moving seat are installed on the support device, the output end of the first liquid linear driving mechanism is connected to the first liquid moving seat, the first liquid linear driving mechanism is used to drive the first liquid moving seat to move in the X direction relative to the support device, the second liquid linear driving mechanism and the second liquid moving seat are installed on the first liquid moving seat, the second liquid linear driving mechanism is used to drive the second liquid moving seat to move in the Z direction relative to the first liquid moving seat, the liquid lifting driving mechanism and the liquid lifting seat are installed on the second liquid moving seat, the liquid lifting driving mechanism is used to drive the liquid lifting seat to move in the Y direction relative to the second liquid moving seat, and the liquid suction and discharge execution part is installed on the liquid lifting seat.

[0014] Preferably, the cup lifting driving mechanism is installed on the mounting frame.

[0015] Preferably, the pushing part is installed at the bottom of the mounting frame.

[0016] Compared with the prior art, the utility model has the following beneficial effects: in the application, first, through setting up cup transfer device, realize the sample tube at cup storage seat place is transferred to cup positioning device, then, cup positioning device positions sample tube, after, use cover turnover device, cover turnover device overturns the buckling cover of sample tube to open buckling cover, after, liquid transfer device transfers reagent of liquid storage seat to cup positioning device and discharges reagent to sample tube at cup positioning device, after, cup transfer device resets to liquid injection station, and the pushing part is extruded buckling cover in the process of resetting, so that buckling cover is extruded to the position of buckling sample tube, finally, cup transfer device places sample tube with reagent to cup storage seat place after catching, realize that reagent at liquid storage seat is divided to different sample tube, and the whole step realizes reagent cup operation.

[0017] Other advantages, objects and features of the present application will be apparent from the following description, and will be understood by those skilled in the art. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 The structure diagram of the sample pipetting cup workstation.

[0019] Figure 2 The Figure 1 The enlarged view of the cup transfer device.

[0020] Figure 3 The structure diagram of the liquid storage seat.

[0021] Figure 4 is a magnified view of the cover turning device.

[0022] Figure 5 is a magnified view of the cover turning device. Figure 2 is a magnified view of the cover turning device.

[0023] Fig. 1 cup transfer device, first cup moving seat 12, second cup moving seat 14, cup lifting drive mechanism 15, cup lifting seat 16, clamping manipulator 17, mounting frame 18, pushing part 19, cup storage seat 2, tube storage station 20, liquid transfer device 3, liquid suction and discharge execution part 31, liquid storage seat 4, storage base 40, container storage seat 41, storage container 42, positioning mechanism 43, first positioning column 431, second positioning column 432, first elastic pushing mechanism 433, second elastic pushing mechanism 434, fixing seat 435, bent spring 436, cup positioning device 5, liquid injection station 50, supporting device 6, cover turning device 7, rotary drive motor 71, turning rod 72, door-shaped frame 73, fixed rod 74, rotary arm 75. DETAILED DESCRIPTION

[0024] In order to make the technical means, creative features, purposes and effects realized by the utility model more clear and easy to understand, the utility model will be further described below in combination with the drawings and specific embodiments.

[0025] As shown in Figures 1 to 4 The utility model discloses a sample pipetting and cup dividing workstation, which comprises a cup transfer device 1, a cup storage seat 2, a liquid transfer device 3, a liquid storage seat 4, a cup positioning device 5, a supporting device 6 (the supporting device 6 is two guide rails in the X direction, which are used for guiding and supporting the cup transfer device 1 and the liquid transfer device 3) and a cover turning device 7. The cup storage seat 2 is used for storing a tube storage station 20 of at least three sample tubes, and the liquid storage seat 4 is used for storing reagents. The cup positioning device 5 is installed beside the cup storage seat 2 and the liquid storage seat 4, and a liquid injection station 50 is arranged at the middle part of the cup positioning device 5. The cup positioning device 5 is located between the cup storage seat 2 and the liquid storage seat 4. The cup storage seat 2, the cup positioning device 5 and the liquid storage seat 4 are provided with the supporting device 6 above. The cup transfer device 1 and the liquid transfer device 3 are installed on the supporting device 6. The cup transfer device 1 is used for transferring the sample tube on the tube storage station 20 to the liquid injection station 50. The liquid transfer device 3 is used for transferring the liquid at the liquid storage seat 4 to the liquid injection station 50 and then discharging the liquid. The cover turning device 7 is installed at the cup positioning device 5 and is used for turning the cover on the sample tube. As shown in Figure 2 and Figure 5 The hinge part of the cover on the sample tube faces the cup storage seat 2. The pushing part 19 is installed on the side of the cup transfer device 1 close to the liquid transfer device 3, and the pushing part 19 is used for pushing the cover to be buckled on the sample tube.

[0026] In the application, the liquid storage seat 4 comprises a storage base 40, a container storage seat 41, a storage container 42 and a positioning mechanism 43. The storage base 40 is installed beside the cup positioning device 5. The positioning mechanism 43 is installed on the storage base 40 and positions the container storage seat 41 on the storage base 40. The container storage seat 41 is inserted with a plurality of storage containers 42 which store reagents. The storage base 40 is the basis of the container storage seat 41, the storage container 42 and the positioning mechanism 43. The container storage seat 41 stores a plurality of storage containers 42 which can store different reagents. The reagents in the storage containers 42 are for the target of cup separation. Since there are a plurality of storage containers 42, the plurality of storage containers 42 need to be inserted into the container storage seat 41 and placed on the storage base 40. When replacing, a plurality of storage containers 42 in one container storage seat 41 are replaced together. The positioning mechanism 43 is used to position the container storage seat 41 on the storage base 40.

[0027] In the application, the positioning mechanism 43 comprises a first positioning column 431, a second positioning column 432, a first elastic pushing mechanism 433 and a second elastic pushing mechanism 434. The first positioning column 431, the second positioning column 432, the first elastic pushing mechanism 433 and the second elastic pushing mechanism 434 are installed on the storage base 40. The first positioning column 431 is inserted into the positioning hole opened on the first side of the container storage seat 41. The second positioning column 432 is in close contact with the second side of the container storage seat 41. The first side of the container storage seat 41 is adjacent to the second side, and the first side is perpendicular to the second side. The first elastic pushing mechanism 433 is in close contact with the third side of the container storage seat 41. The first elastic pushing mechanism 433 makes the container storage seat 41 have a movement trend towards the first positioning column 431. The second elastic pushing mechanism 434 is in close contact with the fourth side of the container storage seat 41. The second elastic pushing mechanism 434 makes the container storage seat 41 have a movement trend towards the second positioning column 432. The first positioning column 431 positions the container storage seat 41 from the first side. The second positioning column 432 positions the container storage seat 41 from the second side. The first elastic pushing mechanism 433 pushes the container storage seat 41 from the third side, so as to realize cooperation with clamping the container storage seat 41 from the Z direction. The second elastic pushing mechanism 434 pushes the container storage seat 41 from the fourth side, so as to realize cooperation with clamping the container storage seat 41 from the X direction.

[0028] Preferably, the first elastic pushing mechanism 433 and the second elastic pushing mechanism 434 each comprise a fixed seat 435 and a bent elastic sheet 436. The fixed seat 435 is installed on the storage base 40. The fixed seat 435 is installed with the bent elastic sheet 436 near one side of the container storage seat 41. The bent elastic sheet 436 is used to press the container storage seat 41 tightly on the first positioning column 431 or the second positioning column 432.

[0029] In order to realize the flip of the snap-on cover to the open position, the cover flip device 7 comprises a flip frame and a rotary drive motor 71, the output shaft of which is fixed to the flip frame, which can hook the edge of the snap-on cover.

[0030] In this application, the flip frame comprises a flip rod 72, a door-shaped frame 73, a fixed rod 74 and a rotary arm 75, the flip rod 72 is used to hook the edge of the snap-on cover, the flip rod 72 is fixed on the door-shaped frame 73, the door-shaped frame 73 is fixed on the fixed rod 74, the fixed rod 74 is fixed on one end of the rotary arm 75, and the other end of the rotary arm 75 is fixed to the output end of the rotary drive motor 71.

[0031] As a preferred, a window is formed between the flip rod 72 and the door-shaped frame 73 for the snap-on cover to extend into. When the window is opened, only the flip rod 72 can be in contact with the snap-on cover, avoiding other components from contacting the sample tube and causing the flip action of the entire flip frame to be hindered.

[0032] In this application, the cup transfer device 1 comprises a first cup linear drive mechanism, a first cup moving seat 12, a second cup linear drive mechanism, a second cup moving seat 14, a cup lifting drive mechanism 15, a cup lifting seat 16 and a clamping mechanical hand 17. The first cup linear drive mechanism and the first cup moving seat 12 are installed on the support device 6, the output end of the first cup linear drive mechanism is connected to the first cup moving seat 12, and the first cup linear drive mechanism is used to drive the first cup moving seat 12 to move in the X direction relative to the support device 6. The second cup linear drive mechanism is installed on the first cup moving seat 12 and the second cup moving seat 14, and the second cup linear drive mechanism is used to drive the second cup moving seat 14 to move in the Z direction relative to the first cup moving seat 12. The cup lifting drive mechanism 15 and the cup lifting seat 16 are installed on the second cup moving seat 14, the cup lifting drive mechanism 15 is used to drive the cup lifting seat 16 to move in the Y direction relative to the second cup moving seat 14, and the cup lifting seat 16 is installed on the clamping mechanical hand 17. The clamping mechanical hand 17 can move in the X direction under the drive of the first cup linear drive mechanism, can move in the Z direction under the drive of the second cup linear drive mechanism, and can move in the Y direction under the drive of the cup lifting drive mechanism 15. The clamping mechanical hand 17 comprises a clamping cylinder and two clamping arms, the two output ends of the clamping cylinder are connected to the two clamping arms, and the clamping cylinder drives the two clamping arms to close or open. When pushing the snap-on cover to snap the sample tube, the first cup linear drive mechanism drives the pushing part 19 beside the clamping mechanical hand 17 to move in the X direction, and at the same time the cup lifting drive mechanism 15 drives the pushing part 19 to slowly lower, so as to realize the pushing of the snap-on cover to snap the sample tube.

[0033] In the present application, the liquid transfer device 3 comprises a first liquid linear drive mechanism, a first liquid moving seat, a second liquid linear drive mechanism, a second liquid moving seat, a liquid lifting drive mechanism, a liquid lifting seat, and a liquid suction and discharge execution part 31. The first liquid linear drive mechanism and the first liquid moving seat are installed on the support device 6. The output end of the first liquid linear drive mechanism is connected to the first liquid moving seat. The first liquid linear drive mechanism is used to drive the first liquid moving seat to move in the X direction relative to the support device 6. The second liquid linear drive mechanism and the second liquid moving seat are installed on the first liquid moving seat. The second liquid linear drive mechanism is used to drive the second liquid moving seat to move in the Z direction relative to the first liquid moving seat. The liquid lifting drive mechanism and the liquid lifting seat are installed on the second liquid moving seat. The liquid lifting drive mechanism is used to drive the liquid lifting seat to move in the Y direction relative to the second liquid moving seat. The liquid suction and discharge execution part 31 is installed on the liquid lifting seat. The liquid suction and discharge execution part 31 can move in the X direction under the drive of the first liquid linear drive mechanism, can move in the Z direction under the drive of the second liquid linear drive mechanism, and can move in the Y direction under the drive of the liquid lifting drive mechanism. The liquid suction and discharge execution part 31 comprises a liquid suction and discharge head. The liquid suction and discharge head is connected to an external air pressure pump through a communication pipeline. The air pressure pump is used to generate negative pressure or positive pressure in the liquid suction and discharge head, so as to realize liquid suction or liquid discharge of the liquid suction and discharge head. The communication pipeline has a certain flexibility, so the communication pipeline does not affect the movement of the liquid suction and discharge head.

[0034] As preferred, the second cup moving seat 14 is installed with a mounting frame 18, and the cup lifting drive mechanism 15 is installed on the mounting frame 18. The mounting frame 18 provides a mounting basis.

[0035] As preferred, the pushing part 19 is installed at the bottom of the mounting frame 18. The position of the clamping arm can be lifted and lowered by the cup lifting drive mechanism, and the position of the clamping arm can pass through the position of the pushing part 19 during lifting or lowering.

[0036] Finally, it should be pointed out that the above embodiments are only used to illustrate the technical solutions of the present application and are not limiting. Although the present application has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present application can be modified or replaced equivalently without departing from the purpose and scope of the technical solutions of the present application. They should all be covered in the scope of the claims of the present application.

Claims

1. Sample pipetting and cupping workstation, characterized by: include: A cup transfer device (1), a cup storage seat (2), a liquid transfer device (3), a liquid storage seat (4), a cup positioning device (5), a supporting device (6), and a lid turning device (7); The cup storage seat (2) is used for storing a tube storage station (20) for storing at least three sample tubes, and the liquid storage seat (4) is used for storing reagents. A cup positioning device (5) is installed next to the cup storage seat (2) and the liquid storage seat (4), and the middle of the cup positioning device (5) is a liquid injection station (50); The cup positioning device (5) is located between the cup storage seat (2) and the liquid storage seat (4); a support device (6) is installed above the cup storage seat (2), the cup positioning device (5) and the liquid storage seat (4); a cup transfer device (1) and a liquid transfer device (3) are installed on the support device (6); the cup transfer device (1) is used to transfer the sample tube on the sample tube storage station (20) to the liquid injection station (50); the liquid transfer device (3) is used to transfer the liquid at the liquid storage seat (4) to the liquid injection station (50) and then discharge it; A cover flipping device (7) is installed at the cup positioning device (5), and the cover flipping device (7) is used to flip the snap-on cover on the sample tube; the hinged part of the snap-on cover in the sample tube faces the cup storage seat (2), and a pushing part (19) is installed on the side of the cup transfer device (1) close to the liquid transfer device, and the pushing part (19) is used to push the snap-on cover to snap on the sample tube.

2. The sample pipetting and cupping workstation according to claim 1, characterized in that: The liquid storage seat (4) comprises: a storage base (40), a container storage seat (41), a storage container (42) and a positioning mechanism (43). The storage base (40) is installed next to the cup positioning device (5). The storage base (40) is installed with a positioning mechanism (43). The positioning mechanism (43) positions the container storage seat (41) on the storage base (40). The container storage seat (41) is inserted with a plurality of storage containers (42). The storage containers (42) store reagents.

3. The sample pipetting and cupping workstation according to claim 2, characterized in that: The positioning mechanism (43) includes: a first positioning column (431), a second positioning column (432), a first elastic pushing mechanism (433) and a second elastic pushing mechanism (434); the first positioning column (431), the second positioning column (432), the first elastic pushing mechanism (433) and the second elastic pushing mechanism (434) are installed on the storage base (40); The first positioning post (431) is inserted into a positioning hole provided on a first side of the container storage seat (41), and the second positioning post (432) is in close contact with the second side of the container storage seat (41); the first side and the second side of the container storage seat (41) are adjacent, and the first side and the second side are perpendicular; The first elastic pushing mechanism (433) is in close contact with the third side of the container storage seat (41), and the first elastic pushing mechanism (433) causes the container storage seat (41) to have a tendency to move toward the first positioning post (431); the second elastic pushing mechanism (434) is in close contact with the fourth side of the container storage seat (41), and the second elastic pushing mechanism (434) causes the container storage seat (41) to have a tendency to move toward the second positioning post (432).

4. The sample pipetting and cupping workstation according to any one of claims 1 to 3, characterized in that: The cover turning device (7) comprises a turning frame and a rotation drive motor (71), wherein the output shaft of the rotation drive motor (71) is fixed to the turning frame, and the turning frame can hook the edge of the buckled cover.

5. The sample pipetting and cupping workstation according to claim 4, characterized in that: The flip frame comprises a flip rod (72), a door frame (73), a fixed rod (74) and a rotating arm (75), wherein the flip rod (72) is used to hook the edge of the snap-fit ​​cover, the flip rod (72) is fixed on the door frame (73), the door frame (73) is fixed on the fixed rod (74), the fixed rod (74) is fixed on one end of the rotating arm (75), and the other end of the rotating arm (75) is fixed to the output end of the rotation drive motor (71).

6. The sample pipetting and cupping workstation according to claim 5, characterized in that: A window for the buckle cover to extend into is formed between the flip rod (72) and the door frame (73).

7. The sample pipetting and cupping workstation according to any one of claims 1 to 3, characterized in that: The cup transfer device (1) comprises: a first cup linear drive mechanism, a first cup moving seat (12), a second cup linear drive mechanism, a second cup moving seat (14), a cup lifting drive mechanism (15), a cup lifting seat (16) and a clamping manipulator (17); the first cup linear drive mechanism and the first cup moving seat (12) are installed on the support device (6); the output end of the first cup linear drive mechanism is connected to the first cup moving seat (12); the first cup linear drive mechanism is used to drive the first cup moving seat (12) relative to the support device (6) in the X direction The first cup moving seat (12) is provided with a second cup linear driving mechanism and a second cup moving seat (14), the second cup linear driving mechanism is used for the second cup moving seat (14) to move in the Z direction relative to the first cup moving seat (12), the second cup moving seat (14) is provided with a cup lifting driving mechanism (15) and a cup lifting seat (16), the cup lifting driving mechanism (15) is used for driving the liquid cup lifting seat (16) to move in the Y direction relative to the second cup moving seat (14), and the cup lifting seat (16) is provided with a clamping manipulator (17).

8. The sample pipetting and cupping workstation according to claim 7, characterized in that: The liquid transfer device (3) comprises: a first liquid linear drive mechanism, a first liquid moving seat, a second liquid linear drive mechanism, a second liquid moving seat, a liquid lifting drive mechanism, a liquid lifting seat and a liquid suction and discharge execution unit (31); the first liquid linear drive mechanism and the first liquid moving seat are installed on the support device (6); the output end of the first liquid linear drive mechanism is connected to the first liquid moving seat; the first liquid linear drive mechanism is used to drive the first liquid moving seat to move in the X direction relative to the support device (6); the second liquid linear drive mechanism and the second liquid moving seat are installed on the first liquid moving seat; the second liquid linear drive mechanism is used to move the second liquid moving seat in the Z direction relative to the first liquid moving seat; the liquid lifting drive mechanism and the liquid lifting seat are installed on the second liquid moving seat; the liquid lifting drive mechanism is used to drive the liquid lifting seat to move in the Y direction relative to the second liquid moving seat; and the liquid suction and discharge execution unit (31) is installed on the liquid lifting seat.

9. The sample pipetting and cupping workstation according to claim 8, characterized in that: A mounting frame (18) is mounted on the second cup moving seat (14), and a cup lifting drive mechanism (15) is mounted on the mounting frame (18).

10. The sample pipetting and cupping workstation according to claim 9, characterized in that: The pushing portion (19) is installed at the bottom of the installation frame (18).

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