Full-automatic pipetting workstation with sample processing device

Abstract

The utility model discloses a full-automatic pipetting workstation with a sample processing device, which relates to the technical field of full-automatic pipetting workstations and comprises a workbench, the top end of the workbench is fixedly connected with a connecting frame, a mounting groove is formed in the top end of the workbench, and a movable seat is arranged in the mounting groove. A shaking mechanism is mounted between the bottom end of the movable seat and the inner wall of the mounting groove, elastic films are fixedly connected between the left end and the right end of the movable seat and the inner wall of the mounting groove, a pipetting instrument body is arranged at the top of the movable seat, and a detachable pipetting needle is mounted at the bottom end of the pipetting instrument body. Through the arrangement of the shaking mechanism, a sample solution standing for a long time can be driven to move left and right in a reciprocating manner, so that the prepared sample solution is in a moving and shaking state, the precipitation phenomenon caused by long-time standing is avoided, shaking treatment on the sample is realized, and the quality of the sample solution is ensured; therefore, a high-quality sample solution can be extracted in real time during subsequent pipetting.

Description

Technical Field

[0001] The utility model relates to the technical field of fully automatic pipetting workstations, in particular to a fully automatic pipetting workstation provided with a sample processing device. Background Art

[0002] A fully automatic pipetting workstation is an automated operation platform for biological medicine laboratories that ingeniously combines automated operations with liquid handling. It can achieve automatic sample pipetting, reagent dispensing, ultra-micro pipetting, as well as operations related to liquid handling such as vibration and incubation.

[0003] Currently, after the solution is prepared, it is stored inside a test tube. However, during long-term static storage, precipitation is likely to occur, affecting the quality of the solution. Moreover, when sampling the sample solution, a pipetting instrument is often used in conjunction with a pipetting needle to puncture the storage test tube cap and enter the inside of the storage test tube, suck the liquid and then pull out to perform the pipetting work. However, the punctured storage test tube cap will have gaps, resulting in poor sealing performance and easy contamination of the remaining solution, making the pipetting work less effective.

[0004] Therefore, the utility model proposes a fully automatic pipetting workstation provided with a sample processing device. Content of the Utility Model

[0005] Technical Problems to be Solved

[0006] The purpose of the utility model is to make up for the deficiencies of the prior art and provide a fully automatic pipetting workstation provided with a sample processing device.

[0007] Technical Solutions

[0008] To achieve the above object, the utility model provides the following technical solutions: A fully automatic pipetting workstation provided with a sample processing device, including a workbench, the top of the workbench is fixedly connected with an adapter frame, an installation groove is dug on the top of the workbench, a movable seat is arranged inside the installation groove, and a shaking mechanism is installed between the bottom end of the movable seat and the inner wall of the installation groove. Elastic membranes are fixedly connected between the left and right ends of the movable seat and the inner wall of the installation groove respectively. A pipetting instrument body is arranged on the top of the movable seat, and a detachable pipetting needle is installed at the bottom end of the pipetting instrument body. A moving operation mechanism is installed between the top end of the pipetting instrument body and the inner top end of the adapter frame. A plurality of storage grooves are dug on the top of the movable seat, and sealing opening and closing mechanisms are installed at the top ends of the plurality of storage grooves respectively. A test tube placement seat is installed near the right side of the top of the workbench, a storage box is installed near the left side of the top of the workbench, and a partition is fixedly connected to the inner wall of the storage box.

[0009] As described above, the moving operating mechanism includes a lead screw rotatably connected to the inner wall of the connection frame. A first motor is installed at the left end of the connection frame, and the output end of the first motor is fixedly connected to the left end of the lead screw. A lead screw socket is threadedly connected to the outer wall of the lead screw, and a first sliding rod cylinder is installed at the bottom end of the lead screw socket. The output end of the first sliding rod cylinder is installed with a lifting cylinder, and the bottom end of the lifting cylinder is fixedly connected to the top end of the pipetting instrument body. A pair of built-in ejector rods are fixedly connected to the inner wall of the connection frame. The outer walls of the pair of built-in ejector rods are sleeved with movable sleeve blocks, and the bottom ends of the pair of movable sleeve blocks are fixedly connected to the top end of the first sliding rod cylinder.

[0010] As described above, the shaking mechanism includes a moving bottom plate fixedly connected to the bottom end of the movable seat. A second motor is installed at the bottom end of the installation groove. The output end of the second motor is sleeved with an eccentric wheel, and the right end of the moving bottom plate is in contact with the left end of the eccentric wheel. A fixed rod is fixedly connected to the inner wall of the installation groove, and a circular tube is sleeved on the outer wall of the fixed rod. A spring is sleeved on the outer wall of the fixed rod, and the left and right ends of the spring are respectively fixedly connected to the inner wall of the installation groove and the left end of the circular tube. A pair of L-shaped plates are fixedly connected between the outer wall of the circular tube and the left end of the moving bottom plate.

[0011] As described above, a pair of moving rollers are installed at the bottom of the moving bottom plate, and the bottom ends of the pair of moving rollers are both in contact with the bottom end of the installation groove.

[0012] As described above, each of the plurality of sealing and opening / closing mechanisms includes a pair of sealing plates located at the top of the storage groove. A pair of arc-shaped elastic sealing gaskets are embedded and installed on the inner walls of the pair of sealing plates. A pair of connecting plates are fixedly connected to the bottom ends of the pair of sealing plates, and the bottom ends of the connecting plates are in contact with the top end of the test tube placement seat. A bidirectional electric telescopic rod is installed between the opposite sides of the two connecting plates in the left-right direction, and the bidirectional electric telescopic rod is installed on the top end of the test tube placement seat. A cleaning mechanism is installed between the top ends of the pair of sealing plates.

[0013] As described above, each of the plurality of cleaning mechanisms includes two pairs of second sliding rod cylinders respectively installed at the top ends of a pair of sealing plates. A cross plate is fixedly connected between the output ends of the two pairs of second sliding rod cylinders, and a moving straight plate is provided at the top end of the cross plate. Sterile cleaning cloths are fixedly connected to the ends of the pair of moving straight plates close to each other. A pair of contact clamping plates are fixedly connected to the bottom ends of the pair of moving straight plates, and the ends of the pair of contact clamping plates close to each other are in close contact with the outer wall of the cross plate.

[0014] As described above, bolt holes are drilled between the outer walls of the pair of contact clamping plates and the cross plate, and fixing bolts are threadedly connected inside the bolt holes. Fixing nuts are threadedly connected to the outer walls of the fixing bolts, and the outer walls of the fixing nuts are in contact with the end of the cross plate far from the inner side.

[0015] Compared with the prior art, the fully automatic pipetting workstation equipped with a sample processing device has the following beneficial effects:

[0016] First, through the moving operation mechanism provided in the present utility model, the pipetting instrument body and the detachable pipetting needle can be driven to move in the front-back, left-right, and up-down directions, so as to facilitate the detachable pipetting needle to be inserted into test tubes at different positions for liquid extraction and pipetting operations.

[0017] Second, through the shaking mechanism provided in the present utility model, the sample solution that has been standing still for a long time can be driven to move reciprocally left and right, so that the prepared sample solution is in a shaking state, avoiding precipitation due to long-term standing, realizing the shaking treatment of the sample, ensuring the quality of the sample solution, and facilitating the real-time extraction of high-quality sample solution during subsequent pipetting.

[0018] Third, through the sealing opening and closing mechanism and the cleaning mechanism provided in the present utility model, when the pipetting instrument body frequently drives the detachable pipetting needle for use, its surface is likely to accidentally adhere to other solutions during the operation. In order to reduce the risk of cross-contamination, the surface of the pipetting instrument body is often cleaned with a sterile cleaning cloth before entering another test tube, and when the detachable pipetting needle is inserted into the test tube, it is always in close contact with the outer wall of the detachable pipetting needle. At the same time, when moving away subsequently, it also remains in close contact to seal the test tube, enhancing the sealing performance, thereby realizing the sealing protection treatment of the sample solution and avoiding contamination of the sample solution.

[0019] Other advantages, objectives, and features of the present utility model will be described to some extent in the subsequent specification, and to some extent, will be obvious to those skilled in the art based on the study of the following text, or can be learned from the practice of the present utility model. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 is the overall three-dimensional structure schematic diagram of the present utility model;

[0021] Figure 2 is the internal sectional structure schematic diagram of the installation groove in the present utility model;

[0022] Figure 3 is the bottom view structure schematic diagram of the moving operation mechanism in the present utility model;

[0023] Figure 4 is the structure schematic diagram of the shaking mechanism in the present utility model;

[0024] Figure 5 is the structure schematic diagram of the sealing opening and closing mechanism and the cleaning mechanism in the present utility model;

[0025] Figure 6For this utility model Figure 5 The enlarged structural schematic diagram of part A in it.

[0026] In the figure: 1, workbench; 2, connection frame; 3, pipetting instrument body; 4, detachable pipetting needle; 5, installation groove; 6, movable seat; 7, moving operation mechanism; 701, lead screw; 702, first motor; 703, lead screw sleeve seat; 704, first sliding rod cylinder; 705, lifting cylinder; 706, built-in ejector rod; 707, movable sleeve block; 8, storage groove; 9, shaking mechanism; 901, moving bottom plate; 902, second motor; 903, eccentric wheel; 904, fixed rod; 905, round tube; 906, spring; 907, L-shaped plate; 908, moving roller; 10, sealing and opening / closing mechanism; 1001, sealing plate; 1002, connection plate; 1003, bidirectional electric telescopic rod; 1004, arc-shaped elastic gasket; 11, cleaning mechanism; 1101, second sliding rod cylinder; 1102, cross plate; 1103, moving straight plate; 1104, sterile cleaning cloth; 1105, contact clamping plate; 11051, fixing bolt; 11052, fixing nut; 12, elastic membrane; 13, test tube placement seat; 14, storage box; 15, partition board. Specific embodiments

[0027] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts belong to the protection scope of the present utility model.

[0028] As Figures 1-6 shown, the present utility model provides a technical solution: a fully automatic pipetting workstation provided with a sample processing device, including a workbench 1, a connection frame 2 is fixedly connected to the top end of the workbench 1, an installation groove 5 is dug at the top end of the workbench 1, a movable seat 6 is arranged inside the installation groove 5, and a shaking mechanism 9 is installed between the bottom end of the movable seat 6 and the inner wall of the installation groove 5. Elastic membranes 12 are fixedly connected between the left and right ends of the movable seat 6 and the inner wall of the installation groove 5 respectively. A pipetting instrument body 3 is arranged on the top of the movable seat 6, and a detachable pipetting needle 4 is installed at the bottom end of the pipetting instrument body 3. A moving operation mechanism 7 is installed between the top end of the pipetting instrument body 3 and the inner top end of the connection frame 2. A plurality of storage grooves 8 are dug at the top end of the movable seat 6, and a sealing and opening / closing mechanism 10 is installed at the top ends of the plurality of storage grooves 8. A test tube placement seat 13 is installed near the right side of the top end of the workbench 1, a storage box 14 is installed near the left side of the top end of the workbench 1, and a partition board 15 is fixedly connected to the inner wall of the storage box 14.

[0029] Beneficial effects: The pipetting instrument body 3 can drive the detachable pipetting needle 4 to extract the solution prepared inside the test tube placed in the storage groove 8. After each pipetting operation, the used detachable pipetting needle 4 is removed and placed in the storage box 14, and a new detachable pipetting needle 4 is replaced for the next pipetting operation, reducing the phenomenon of cross-contamination.

[0030] As Figure 1 and Figure 3 As shown in the figure, the moving operation mechanism 7 includes a lead screw 701 rotatably connected to the inner wall of the connection frame 2. A first motor 702 is installed at the left end of the connection frame 2, and the output end of the first motor 702 is fixedly connected to the left end of the lead screw 701. A lead screw sleeve 703 is threadedly connected to the outer wall of the lead screw 701, and a first sliding rod cylinder 704 is installed at the bottom end of the lead screw sleeve 703. The output end of the first sliding rod cylinder 704 is installed with a lifting cylinder 705, and the bottom end of the lifting cylinder 705 is fixedly connected to the top end of the pipetting instrument body 3. A pair of built-in top rods 706 are fixedly connected to the inner wall of the connection frame 2, and movable sleeve blocks 707 are sleeved on the outer walls of the pair of built-in top rods 706, and the bottom ends of the pair of movable sleeve blocks 707 are fixedly connected to the top end of the first sliding rod cylinder 704.

[0031] Beneficial effects: The first motor 702 drives the lead screw 701 to rotate, so that it drives the lead screw sleeve 703 to move horizontally in the left-right direction, prompting the pipetting instrument body 3 and the detachable pipetting needle 4 to move horizontally left and right. At the same time, the first sliding rod cylinder 704 can drive the pipetting instrument body 3 and the detachable pipetting needle 4 to move in the front-back direction, so as to drive the pipetting instrument body 3 and the detachable pipetting needle 4 to perform corresponding position adjustments during the pipetting process, so as to correspond to the test tube to be sampled, and then under the drive of the lifting cylinder 705, it penetrates into the test tube to take and transfer the liquid.

[0032] As Figure 2 and Figure 4 As shown in the figure, the shaking mechanism 9 includes a moving bottom plate 901 fixedly connected to the bottom end of the movable seat 6. A second motor 902 is installed at the bottom end of the installation groove 5, and an eccentric wheel 903 is sleeved on the output end of the second motor 902, and the right end of the moving bottom plate 901 is in contact with the left end of the eccentric wheel 903. A fixed rod 904 is fixedly connected to the inner wall of the installation groove 5, and a round tube 905 is sleeved on the outer wall of the fixed rod 904. A spring 906 is sleeved on the outer wall of the fixed rod 904, and the left and right ends of the spring 906 are respectively fixedly connected to the inner wall of the installation groove 5 and the left end of the round tube 905. A pair of L-shaped plates 907 are fixedly connected between the outer wall of the round tube 905 and the left end of the moving bottom plate 901.

[0033] Beneficial effects: When the prepared sample solution is placed inside the test tube for a long time, precipitation is likely to occur, resulting in uneven solution concentration inside the test tube. Therefore, the second motor 902 drives the eccentric wheel 903 to rotate. By using the eccentric end to repeatedly squeeze and move the bottom plate 901 left and right, the movable seat 6 is driven to perform reciprocating left and right movements with the assistance of the spring 906, causing the test tube to perform reciprocating left and right movements, so as to make the sample solution prepared inside it shake under the action of left and right movements, in order to ensure that the sample solution is in a shaken state, so that high-quality sample solution can be extracted in real time during subsequent liquid transfer.

[0034] As Figure 2 and Figure 4 shown, a pair of moving rollers 908 are installed at the bottom of the moving bottom plate 901, and the bottom ends of the pair of moving rollers 908 are in contact with the inner bottom end of the installation groove 5.

[0035] Beneficial effects: When the moving bottom plate 901 moves reciprocally left and right, the pair of moving rollers 908 roll accordingly, realizing the assistance for the movement of the moving bottom plate 901 and keeping its movement stable.

[0036] As Figure 1 and Figure 5 shown, multiple sealing and opening / closing mechanisms 10 each include a pair of sealing plates 1001 located at the top of the storage groove 8. A pair of arc-shaped elastic sealing gaskets 1004 are embedded and installed on the inner walls of the pair of sealing plates 1001. A pair of connecting plates 1002 are fixedly connected to the bottom ends of the pair of sealing plates 1001, and the bottom ends of the connecting plates 1002 are in contact with the top end of the test tube placement seat 13. A bidirectional electric telescopic rod 1003 is installed between the opposite sides of the two connecting plates 1002 in the left-right direction, and the bidirectional electric telescopic rod 1003 is installed on the top end of the test tube placement seat 13. A cleaning mechanism 11 is installed between the top ends of the pair of sealing plates 1001.

[0037] Beneficial effects: When the lifting cylinder 705 drives the liquid transfer instrument body 3 and the detachable liquid transfer needle 4 to penetrate deep into the test tube, the bidirectional electric telescopic rod 1003 drives the pair of sealing plates 1001 and the arc-shaped elastic sealing gaskets 1004 to slowly move away from each other, leaving a gap for the detachable liquid transfer needle 4 to pass through. When the detachable liquid transfer needle 4 penetrates, the bidirectional electric telescopic rod 1003 drives the pair of sealing plates 1001 and the arc-shaped elastic sealing gaskets 1004 to move towards each other and closely contact the outer wall of the detachable liquid transfer needle 4 to maintain sealing. After the detachable liquid transfer needle 4 finishes taking liquid and moves upward and away, the pair of arc-shaped elastic sealing gaskets 1004 can continue to maintain sealing due to elastic action, avoiding the appearance of gaps and causing pollution to the prepared solution inside.

[0038] As Figure 1 and Figures 5-6As shown in the figure, multiple cleaning mechanisms 11 each include two pairs of second sliding rod cylinders 1101 respectively installed at the top of a pair of sealing plates 1001. A cross plate 1102 is fixedly connected between the output ends of the two pairs of second sliding rod cylinders 1101. A moving straight plate 1103 is provided at the top of the cross plate 1102. Sterile cleaning cloths 1104 are fixedly connected to the closer ends of a pair of moving straight plates 1103. A pair of contact clamping plates 1105 are fixedly connected to the bottom ends of the pair of moving straight plates 1103. The closer ends of the pair of contact clamping plates 1105 are in close contact with the outer wall of the cross plate 1102.

[0039] Beneficial effects: When the pipetting instrument body 3 frequently drives the detachable pipetting needle 4 for pipetting operations, although the detachable pipetting needle 4 is replaced, the pipetting instrument body 3 is prone to adhering to other solutions during use. To avoid contaminating the next solution to be pipetted, each time the detachable pipetting needle 4 is inserted into the test tube, the two pairs of second sliding rod cylinders 1101 drive the pair of sterile cleaning cloths 1104 to move towards each other and come into contact with the surface of the pipetting instrument body 3. The pipetting instrument body 3 is cleaned by the contact friction between it and the pair of sterile cleaning cloths 1104 during the downward movement, thus avoiding contaminating the sample solution.

[0040] As Figures 5-6 shown in the figure, bolt holes are drilled between the outer walls of a pair of contact clamping plates 1105 and the cross plate 1102. A fixing bolt 11051 is threadedly connected inside the bolt holes. A fixing nut 11052 is threadedly connected to the outer wall of the fixing bolt 11051. The outer wall of the fixing nut 11052 is in contact with the farther end of the cross plate 1102 located inside.

[0041] Beneficial effects: Through the detachable connection method of the fixing bolt 11051 and the fixing nut 11052, the sterile cleaning cloth 1104 can be conveniently detached and replaced to ensure its cleanliness.

[0042] Working principle: The prepared sample solution is likely to produce precipitation when placed in the test tube for a long time, resulting in uneven solution concentration inside the test tube. The second motor 902 drives the eccentric wheel 903 to rotate, and the eccentric end repeatedly squeezes the moving base plate 901 to move left and right, causing it to drive a pair of L-shaped plates 907 and the round tube 905 to move left and right along the fixed rod 904 with the assistance of the spring 906, so as to drive the movable seat 6 and the sample solution inside the test tube to move left and right reciprocally, ensuring that the sample solution is in a shaken state, enabling high-quality sample solution to be extracted in real time during subsequent liquid transfer. When taking liquid, the first motor 702 drives the lead screw 701 to rotate, causing it to drive the lead screw sleeve seat 703 to move horizontally in the left-right direction, driving the liquid transfer instrument body 3 and the detachable liquid transfer needle 4 to move left and right. At the same time, the first sliding rod cylinder 704 can drive the liquid transfer instrument body 3 and the detachable liquid transfer needle 4 to move in the front-back direction, driving the liquid transfer instrument body 3 and the detachable liquid transfer needle 4 to move to the top of the test tube to be taken. Then, the lifting cylinder 705 drives the liquid transfer instrument body 3 and the detachable liquid transfer needle 4 to move downward. At the same time, two pairs of second sliding rod cylinders 1101 drive a pair of sterile cleaning cloths 1104 to move towards each other and come into contact with the surface of the liquid transfer instrument body 3. By means of the contact friction between the liquid transfer instrument body 3 and the pair of sterile cleaning cloths 1104 during the downward movement of the liquid transfer instrument body 3, it is cleaned to prevent the frequently operated liquid transfer instrument body 3 from being contaminated with other solutions and contaminating the solution to be taken. Immediately afterwards, the bidirectional electric telescopic rod 1003 drives a pair of sealing plates 1001 and the arc-shaped elastic sealing gasket 1004 to slowly move away from each other, creating a gap for the detachable liquid transfer needle 4 to penetrate into the test tube. And during the penetration of the detachable liquid transfer needle 4, the bidirectional electric telescopic rod 1003 drives a pair of sealing plates 1001 and the arc-shaped elastic sealing gasket 1004 to move towards each other and closely contact the outer wall of the detachable liquid transfer needle 4 to maintain sealing. After the liquid taking is completed, the pair of arc-shaped elastic sealing gaskets 1004 reset under the elastic action, and the test tube mouth is sealed again by the bidirectional electric telescopic rod 1003. The detachable liquid transfer needle 4 moves in multiple directions by the first motor 702, the lead screw 701, and the first sliding rod cylinder 704, and extends into the test tube for liquid transfer storage through the lifting cylinder 705, thus realizing the liquid transfer operation.

[0043] The wiring diagrams of the pipetting instrument body 3, the first motor 702, the first slide bar cylinder 704, the lifting cylinder 705, the second motor 902, the bidirectional electric telescopic rod 1003, and the second slide bar cylinder 1101 in this solution belong to the common general knowledge in the field. Their working principles are already known technologies, and their models are selected according to actual use. Therefore, the control methods and wiring arrangements of the pipetting instrument body 3, the first motor 702, the first slide bar cylinder 704, the lifting cylinder 705, the second motor 902, the bidirectional electric telescopic rod 1003, and the second slide bar cylinder 1101 will not be explained in detail.

[0044] It should be noted that in this article, the orientation or positional relationship indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present invention; the terms "first", "second", "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. In addition, unless otherwise clearly defined and limited, the terms "fixedly installed", "installed", "connected", "connected" should be understood in a broad sense. For example, "installed" can be a fixed connection, a detachable connection, or an integral connection; "connected" can be a mechanical connection or an electrical connection; "connected" can be a direct connection, an indirect connection through an intermediate medium, or a communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0045] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An automatic pipetting workstation provided with a sample processing device, comprising a workbench (1), characterized in that: A connecting frame (2) is fixedly connected to the top end of the workbench (1). An installation groove (5) is formed in the top end of the workbench (1). An activity seat (6) is arranged inside the installation groove (5). A shaking mechanism (9) is installed between the bottom end of the activity seat (6) and the inner wall of the installation groove (5). Elastic membranes (12) are fixedly connected between the left and right ends of the activity seat (6) and the inner wall of the installation groove (5). A pipetting instrument body (3) is arranged on the top of the activity seat (6). A detachable pipetting needle (4) is installed at the bottom end of the pipetting instrument body (3). A moving operation mechanism (7) is installed between the top end of the pipetting instrument body (3) and the inner top end of the connecting frame (2). A plurality of storage grooves (8) are formed in the top end of the activity seat (6). Sealing and opening / closing mechanisms (10) are installed at the top ends of the plurality of storage grooves (8). A test tube placing seat (13) is installed near the right side of the top end of the workbench (1). A storage box (14) is installed near the left side of the top end of the workbench (1). A partition plate (15) is fixedly connected to the inner wall of the storage box (14).

2. The fully automatic pipetting workstation with a sample processing device according to claim 1, wherein: The moving operation mechanism (7) includes a lead screw (701) rotatably connected to the inner wall of the connecting frame (2). A first motor (702) is installed at the left end of the connecting frame (2). The output end of the first motor (702) is fixedly connected to the left end of the lead screw (701). A lead screw sleeve seat (703) is threadedly connected to the outer wall of the lead screw (701). A first sliding rod cylinder (704) is installed at the bottom end of the lead screw sleeve seat (703). The output end of the first sliding rod cylinder (704) is installed with a lifting cylinder (705). The bottom end of the lifting cylinder (705) is fixedly connected to the top end of the pipetting instrument body (3). A pair of built-in top rods (706) are fixedly connected to the inner wall of the connecting frame (2). Activity sleeve blocks (707) are sleeved on the outer walls of the pair of built-in top rods (706). The bottom ends of the pair of activity sleeve blocks (707) are fixedly connected to the top end of the first sliding rod cylinder (704).

3. The full-automatic pipetting workstation with a sample processing device according to claim 2, wherein: The shaking mechanism (9) includes a moving bottom plate (901) fixedly connected to the bottom end of the activity seat (6). A second motor (902) is installed at the inner bottom end of the installation groove (5). An eccentric wheel (903) is sleeved on the output end of the second motor (902). The right end of the moving bottom plate (901) is in contact with the left end of the eccentric wheel (903). A fixed rod (904) is fixedly connected to the inner wall of the installation groove (5). A circular tube (905) is sleeved on the outer wall of the fixed rod (904). A spring (906) is sleeved on the outer wall of the fixed rod (904). The left and right ends of the spring (906) are respectively fixedly connected to the inner wall of the installation groove (5) and the left end of the circular tube (905). A pair of L-shaped plates (907) are fixedly connected between the outer wall of the circular tube (905) and the left end of the moving bottom plate (901).

4. An automatic pipetting workstation with a sample processing device according to claim 3, characterized in that: A pair of moving rollers (908) are installed at the bottom of the moving bottom plate (901). The bottom ends of the pair of moving rollers (908) are in contact with the inner bottom end of the installation groove (5).

5. A fully automatic pipetting workstation equipped with a sample processing device according to claim 1, characterized in that: Each of the plurality of sealed opening and closing mechanisms (10) includes a pair of sealing plates (1001) located at the top of the storage groove (8). A pair of arc-shaped elastic sealing gaskets (1004) are embedded and installed on the inner walls of the pair of sealing plates (1001). A pair of connecting plates (1002) are fixedly connected to the bottom ends of the pair of sealing plates (1001), and the bottom ends of the connecting plates (1002) are in contact with the top end of the test tube placement seat (13). A bidirectional electric telescopic rod (1003) is installed between the opposite sides of the two connecting plates (1002) in the left-right direction, and the bidirectional electric telescopic rod (1003) is installed on the top end of the test tube placement seat (13). A cleaning mechanism (11) is installed between the top ends of the pair of sealing plates (1001).

6. The full-automatic pipetting workstation with a sample processing device according to claim 5, characterized in that: Each of the plurality of cleaning mechanisms (11) includes two pairs of second sliding rod cylinders (1101) respectively installed at the top ends of a pair of sealing plates (1001). A cross plate (1102) is fixedly connected between the output ends of the two pairs of second sliding rod cylinders (1101). A moving straight plate (1103) is provided at the top end of the cross plate (1102). A sterile cleaning cloth (1104) is fixedly connected to one end of each of the pair of moving straight plates (1103) close to each other. A pair of contact clamping plates (1105) are fixedly connected to the bottom ends of the pair of moving straight plates (1103), and one end of each of the pair of contact clamping plates (1105) close to each other is in close contact with the outer wall of the cross plate (1102).

7. The full-automatic pipetting workstation with a sample processing device according to claim 6, characterized in that: A bolt hole is drilled between the outer walls of the pair of contact clamping plates (1105) and the cross plate (1102), and a fixing bolt (11051) is threadedly connected inside the bolt hole. A fixing nut (11052) is threadedly connected to the outer wall of the fixing bolt (11051), and the outer wall of the fixing nut (11052) is in contact with the end of the cross plate (1102) far away from the inner side.

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