阅读说明：本技术 全自动双96通道移液装置 (Full-automatic double 96-channel liquid transfer device ) 是由 郭燕 于 2021-09-29 设计创作，主要内容包括：本发明属于移液装置技术领域,尤其是一种全自动双96通道移液装置,包括支架及设置在支架上的移液机构和平移机构,所述移液机构设置为两组,两组移液机构并列设置,所述平移机构对应设置在移液机构的下方。本发明通过设置推板、推杆、腔管和吸管,启动丝杆步进电机带动推板通过第二滑板沿第二滑轨向下滑动,使推杆伸入腔管中,在推杆上升时,会通过吸管将样品台内部的液体吸出将吸管中的液体排入新的样品台中完成移液的工作,方便多组同时进行移液,提高工作效率。(The invention belongs to the technical field of liquid transfer devices, and particularly relates to a full-automatic double 96-channel liquid transfer device which comprises a support, and liquid transfer mechanisms and translation mechanisms which are arranged on the support, wherein the liquid transfer mechanisms are arranged in two groups, the two groups of liquid transfer mechanisms are arranged in parallel, and the translation mechanisms are correspondingly arranged below the liquid transfer mechanisms. According to the invention, the push plate, the push rod, the cavity tube and the suction tube are arranged, the screw rod stepping motor is started to drive the push plate to slide downwards along the second slide rail through the second slide plate, so that the push rod extends into the cavity tube, when the push rod ascends, liquid in the sample platform is sucked out through the suction tube, and the liquid in the suction tube is discharged into a new sample platform to complete the liquid transfer work, so that multiple groups of liquid transfer can be conveniently carried out simultaneously, and the working efficiency is improved.)

1. The utility model provides a full-automatic two 96 passageway pipetting device which characterized in that: the device comprises a bracket (1), and a liquid transfer mechanism and a translation mechanism which are arranged on the bracket (1), wherein the liquid transfer mechanism is arranged into two groups, the two groups of liquid transfer mechanisms are arranged in parallel, and the translation mechanism is correspondingly arranged below the liquid transfer mechanism;

the liquid transfer mechanism comprises a first lifting assembly, a limiting assembly, a second lifting assembly, a liquid suction assembly and a supporting assembly;

the first lifting assembly comprises a first sliding rail (3), a screw rod (4), a first sliding plate (5) and a first motor (6), the first motor (6) is connected with the first sliding plate (5) through the screw rod (4), the first sliding plate (5) is connected with the first sliding rail (3) in a sliding mode, and the first motor (6) can drive the screw rod (4) to drive the first sliding plate (5) to slide up and down along the first sliding rail (3);

the limiting assembly is arranged on one side of the first lifting assembly and comprises an arrangement plate (9), a connecting shaft rod (16) and a frame (19), and the frame (19) is connected with the arrangement plate (9) through the connecting shaft rod (16);

the second lifting assembly is arranged on the limiting assembly and comprises a second sliding rail (7), a screw rod stepping motor (8), a push plate (10) and a second sliding plate (14), the push plate (10) is connected with the second sliding rail (7) in a sliding mode through the second sliding plate (14), the push plate (10) is fixedly connected with the output end of the screw rod stepping motor (8), and the screw rod stepping motor (8) can drive the push plate (10) to move up and down;

the liquid suction assembly is arranged on the lower side of the second lifting assembly and comprises a push rod (11), a cavity tube (12), a suction tube (13), a rubber ring (23), a spring (24) and a connector (25), one end of the push rod (11) is embedded into the cavity tube (12), the push rod (11) and the cavity tube (12) are sealed through the rubber ring (23), the rubber ring (23) is fixedly arranged between the push rod (11) and the cavity tube (12) through the spring (24), and one end of the cavity tube (12) is connected with the suction tube (13) through the connector (25);

the supporting assembly is arranged below the liquid suction assembly, the supporting assembly comprises a pair of supporting blocks (28), track groove plates (29) and a bottom plate (30), the supporting blocks (28) are fixed at the upper end of the bottom plate (30), and the track groove plates (29) are arranged into four groups and respectively and correspondingly fixed at four corners of the bottom plate (30);

the translation mechanism comprises a placing plate (15), a sample table (17), a rack belt (20), a tube placing table (21), a second motor (26) and a third sliding rail (27), wherein the third sliding rail (27) is fixed at the bottom of the placing plate (15), the second motor (26) is connected with the placing plate (15) through the rack belt (20), the second motor (26) can drive the rack belt (20) to drive the placing plate (15) to translate, and the sample table (17) and the tube placing table (21) are correspondingly arranged on the placing plate (15) respectively.

2. The fully automated dual 96-channel pipetting device of claim 1, wherein: the top of the push rod (11) is fixedly connected with the bottom of the push plate (10).

3. The fully automated dual 96-channel pipetting device of claim 1, wherein: the frame (19) is fixed on one side of the first sliding plate (5).

4. The fully automated dual 96-channel pipetting device of claim 1, wherein: the third slide rails (27) are arranged into two groups, the two groups of third slide rails (27) are arranged in parallel, and the third slide rails (27) are connected with the rail groove plate (29) in a sliding manner.

5. The fully automated dual 96-channel pipetting device of claim 1, wherein: one end of the spring (24) is fixedly connected with the rubber ring (23), and the other end of the spring (24) is fixedly connected with the bottom of the frame (19).

6. The fully automated dual 96-channel pipetting device of claim 1, wherein: and fixed pressing plates (22) used for fixing the rack belts (20) are arranged on two sides of the bottom of the placing plate (15).

7. The fully automated dual 96-channel pipetting device of claim 1, wherein: the upper surface and the lower surface of rack area (20) set up for the pinion rack structure, it is connected with gear (18) with rack area (20) looks meshing to rotate on supporting shoe (28), the output of rack area (20) and second motor (26) is connected for the meshing.

8. The fully automated dual 96-channel pipetting device of claim 1, wherein: the double-pipetting mechanism is symmetrically arranged around the central axis of the bracket (1).

Technical Field

The invention relates to the technical field of liquid transfer devices, in particular to a full-automatic double 96-channel liquid transfer device.

Background

With the development of science and technology, the medical technology level is also remarkably improved. In medical experiments, it is necessary to mix one solution with another or to transfer one solution to a specific location, during which pipetting using a pipetting device is required.

Among the present prior art, people adopt the single channel to move the liquid device and move the liquid, and this kind of structure moves liquid efficiency extremely low, and is consuming time longer, can not be quick in batches move the liquid, influences staff's work efficiency, needs full-automatic two 96 passageway liquid devices for this reason.

Disclosure of Invention

The invention provides a full-automatic double 96-channel liquid transfer device, which solves the problems in the prior art.

In order to achieve the purpose, the invention adopts the following technical scheme:

a full-automatic double 96-channel liquid transfer device comprises a support, liquid transfer mechanisms and translation mechanisms, wherein the liquid transfer mechanisms and the translation mechanisms are arranged on the support;

the liquid transfer mechanism comprises a first lifting assembly, a limiting assembly, a second lifting assembly, a liquid suction assembly and a supporting assembly;

the first lifting assembly comprises a first slide rail, a screw rod, a first slide plate and a first motor, the first motor is connected with the first slide plate through the screw rod, the first slide plate is connected with the first slide rail in a sliding manner, and the first motor can drive the screw rod to drive the first slide plate to slide up and down along the first slide rail;

the limiting assembly is arranged on one side of the first lifting assembly and comprises an arrangement plate, a connecting shaft rod and a frame, and the frame is connected with the arrangement plate through the connecting shaft rod;

the second lifting assembly is arranged on the limiting assembly and comprises a second sliding rail, a lead screw stepping motor, a push plate and a second sliding plate, the push plate is connected with the output end of the lead screw stepping motor in a sliding mode along the second sliding rail through the second sliding plate, the push plate is fixedly connected with the output end of the lead screw stepping motor, and the lead screw stepping motor can drive the push plate to move up and down;

the liquid suction assembly is arranged on the lower side of the second lifting assembly and comprises a push rod, a cavity tube, a suction tube, a rubber ring, a spring and a connector, one end of the push rod is embedded into the cavity tube, the push rod and the cavity tube are sealed through the rubber ring, the rubber ring is stably fixed between the push rod and the cavity tube through the spring, and one end of the cavity tube is connected with the suction tube through the connector;

the supporting assembly is arranged below the liquid suction assembly and comprises a pair of supporting blocks, four track groove plates and a bottom plate, the supporting blocks are fixed at the upper end of the bottom plate, and the track groove plates are arranged in four groups and are respectively and correspondingly fixed at the four corners of the bottom plate;

the translation mechanism comprises a placing plate, a sample table, a rack belt, a tube placing table, a second motor and a third slide rail, the third slide rail is fixed at the bottom of the placing plate, the second motor is connected with the placing plate through the rack belt, the second motor can drive the rack belt to drive the placing plate to translate, and the sample table and the tube placing table are correspondingly arranged on the placing plate respectively.

In order to ensure that the push rod can be smoothly pushed in the cavity tube, the top of the push rod is fixedly connected with the bottom of the push plate.

The frame is fixed to one side of the first sliding plate in order to allow the device to operate smoothly.

In order to enable the placing plate to horizontally move, the third sliding rails are arranged into two groups, the two groups of third sliding rails are arranged in parallel, and the third sliding rails are in sliding connection with the rail groove plate.

In order to seal the push rod and the cavity tube, one end of the spring is fixedly connected with the rubber ring, and the other end of the spring is fixedly connected with the bottom of the frame.

In order to enable the rack belt to drive the placing plate to translate, two sides of the bottom of the placing plate are provided with fixed pressing plates for fixing the rack belt.

In order to enable the second motor to drive the placing plate to translate through the rack belt, the upper surface and the lower surface of the rack belt are of toothed plate structures, gears meshed with the rack belt are rotatably connected to the supporting block, and the rack belt is connected with the output end of the second motor in a meshed mode.

In order to ensure that the device integrally and conveniently transfers liquid, the double-liquid transferring mechanism is symmetrically arranged about the central axis of the bracket.

In the present invention,

1. by arranging the double liquid-moving mechanism, the overall liquid-moving efficiency can be improved in the liquid-moving process, and workers can be assisted to carry out the next step of work more quickly;

2. by arranging the push plate, the push rod, the cavity tube and the suction tube, the screw rod stepping motor is started to drive the push plate to slide downwards along the second slide rail through the second slide plate, so that the push rod extends into the cavity tube, when the push rod ascends, liquid in the sample platform is sucked out through the suction tube, and the liquid in the suction tube is discharged into a new sample platform to finish the liquid transfer work, so that multiple groups of samples can be conveniently transferred at the same time, and the working efficiency is improved;

3. by arranging the rubber ring and the spring, the rubber ring is used for sealing between the push rod and the cavity tube, when the push rod rises, liquid in the sample table can be sucked out through the suction pipe, and the spring can stabilize the rubber ring and prevent the rubber ring from moving out of the push rod and the cavity tube;

4. through setting up the translation subassembly, the control second motor passes through the rack area and drives and place the board and slide on the third slide rail, carries out the translation to can make and place the sample platform on the board and change the position, realize automatic moving the liquid.

Drawings

FIG. 1 is a schematic view of the overall structure of a fully automatic double 96-channel pipetting device according to the present invention;

FIG. 2 is a schematic view of the internal structure of a fully automatic double 96-channel pipetting device rack according to the present invention;

FIG. 3 is a schematic structural view of a translation assembly of the fully automatic double 96-channel pipetting device according to the present invention;

FIG. 4 is a schematic front view of the translation assembly and the support assembly of the fully automatic double 96-channel pipetting device according to the present invention;

FIG. 5 is a schematic top view of the translation assembly and the support assembly of the fully automatic double 96-channel pipetting device of the present invention;

FIG. 6 is a schematic diagram of a push rod and lumen of the fully automatic double 96 channel pipetting device according to the present invention;

FIG. 7 is a schematic diagram of the structure of the lumen and pipette of the fully automatic double 96-channel pipetting device according to the present invention.

Fig. 8 is a schematic structural diagram of a frame of the fully automatic double 96-channel pipetting device.

In the figure: 1. a support; 2. a connecting plate; 3. a first slide rail; 4. a screw rod; 5. a first slide plate; 6. a first motor; 7. a second slide rail; 8. a screw rod stepping motor; 9. arranging the plates; 10. pushing the plate; 11. a push rod; 12. a lumen tube; 13. a straw; 14. a second slide plate; 15. placing the plate; 16. connecting the shaft lever; 17. a sample stage; 18. a gear; 19. a frame; 20. a rack belt; 21. a pipe placing table; 22. fixing the pressing plate; 23. a rubber ring; 24. a spring; 25. a connector; 26. a second motor; 27. a third slide rail; 28. a support block; 29. a track groove plate; 30. a base plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-8, a full-automatic double 96-channel liquid-transfering device comprises a support 1, and liquid-transfering mechanisms and translation mechanisms which are arranged on the support 1, wherein the liquid-transfering mechanisms are arranged in two groups, the two groups of liquid-transfering mechanisms are arranged in parallel, and the translation mechanisms are correspondingly arranged below the liquid-transfering mechanisms;

the liquid transfer mechanism comprises a first lifting assembly, a limiting assembly, a second lifting assembly, a liquid suction assembly and a supporting assembly;

the first lifting assembly comprises a first slide rail 3, a screw rod 4, a first slide plate 5 and a first motor 6, the first motor 6 is connected with the first slide plate 5 through the screw rod 4, the first slide plate 5 is connected with the first slide rail 3 in a sliding manner, the first motor 6 can drive the screw rod 4 to drive the first slide plate 5 to slide up and down along the first slide rail 3, and the first lifting assembly is arranged on the connecting plate 2;

the limiting assembly is arranged on one side of the first lifting assembly and comprises an arrangement plate 9, a connecting shaft rod 16 and a frame 19, and the frame 19 is connected with the arrangement plate 9 through the connecting shaft rod 16;

the second lifting assembly is arranged on the limiting assembly and comprises a second slide rail 7, a screw rod stepping motor 8, a push plate 10 and a second slide plate 14, the push plate 10 is connected with the second slide rail 7 in a sliding mode through the second slide plate 14, the push plate 10 is fixedly connected with the output end of the screw rod stepping motor 8, and the screw rod stepping motor 8 can drive the push plate 10 to move up and down;

the liquid suction assembly is arranged at the lower side of the second lifting assembly and comprises a push rod 11, a cavity tube 12, a suction tube 13, a rubber ring 23, a spring 24 and a connector 25, one end of the push rod 11 is embedded in the cavity tube 12, the push rod 11 and the cavity tube 12 are sealed through the rubber ring 23, the rubber ring 23 is firmly fixed between the push rod 11 and the cavity tube 12 through the spring 24, one end of the cavity tube 12 is connected with the suction tube 13 through the connector 25, and the connector 25 is hollow;

the supporting components are arranged below the liquid suction component, each supporting component comprises a pair of supporting blocks 28, track groove plates 29 and a bottom plate 30, the supporting blocks 28 are fixed at the upper end of the bottom plate 30, and the track groove plates 29 are arranged into four groups and are respectively and correspondingly fixed at four corners of the bottom plate 30;

translation mechanism is including placing board 15, sample platform 17, rack belt 20, put a tub platform 21, second motor 26, third slide rail 27 is fixed in and places board 15 bottom, second motor 26 is connected with placing board 15 through rack belt 20, second motor 26 can drive rack belt 20 and drive and place board 15 and carry out the translation, sample platform 17 and put tub platform 21 and correspond the setting respectively on placing board 15, place and be provided with the recess with sample platform 17 and put tub platform 21 looks adaptation on the board 15.

The top of the push rod 11 is fixedly connected with the bottom of the push plate 10, and the push rod 11 is provided with a plurality of groups which are uniformly distributed at the bottom of the push plate 10.

The frame 19 is fixed on one side of the first sliding plate 5, and the bottom of the frame 19 is provided with a through hole matched with the push rod 11.

The third slide rails 27 are arranged in two sets, the two sets of the third slide rails 27 are arranged in parallel, the third slide rails 27 are slidably connected with the rail groove plate 29, and the length of the third slide rails 27 is smaller than that of the placing plate 15.

One end of the spring 24 is fixedly connected with the rubber ring 23, and the other end of the spring 24 is fixedly connected with the bottom of the frame 19, and the spring 24 can prevent the rubber ring 23 from falling out from between the push rod 11 and the cavity tube 12.

The two sides of the bottom of the placing plate 15 are provided with fixed pressing plates 22 for fixing the rack belts 20, and the fixed pressing plates 22 are arranged inside the two groups of third sliding rails 27.

The upper surface and the lower surface of rack strip 20 set up for the pinion rack structure, rotate on the supporting shoe 28 and be connected with the gear 18 with rack strip 20 looks meshing, and rack strip 20 is connected for the meshing with the output of second motor 26, and second motor 26 can drive through rack strip 20 and place board 15 and slide on third slide rail 27, carries out the translation.

The double liquid moving mechanisms are symmetrically arranged about the axis of the bracket 1, and the whole device can move liquid in multiple groups more conveniently.

The working principle is as follows: when the device is used, firstly, two groups of screw rod stepping motors 8 are started to respectively drive the push plate 10 to slide downwards along the second slide rail 7 through the second slide plate 14, so that the push rod 11 extends into the cavity tube 12, then the sample table 17 and the cavity placing table 21 are placed at corresponding positions on the placing plate 15, when liquid is transferred, the first motor 6 is started to drive the first slide plate 5 to slide to a proper position on the first slide rail 3, so that the suction tube 13 is inserted into the corresponding sample table 17 to be transferred, at the moment, the screw rod stepping motor 8 is started again to drive the second slide plate 14 to slide upwards along the second slide rail 7, as the push rod 11 and the cavity tube 12 are sealed through the rubber ring 23, when the push rod 11 rises, liquid in the sample table 17 is sucked out through the suction tube 13, then the second motor 26 is controlled to drive the placing plate 15 to slide on the third slide rail 27 through the rack strip 20 to translate, so that the sample table 17 on the placing plate 15 can be replaced, when making corresponding sample platform 17 move to the below of straw 13, can control lead screw step motor 8 once more and drive straw 13 and insert to sample platform 17 is inside to restart lead screw step motor 8, repeat above-mentioned step, can arrange the liquid in straw 13 into the work of accomplishing the liquid removal in new sample platform 17, and put the setting of pipe platform 21, the loading has new straw 13, after accomplishing once moving the liquid, conveniently change new straw 13, the setting of two liquid mechanisms that move, improvement staff's that can be further work efficiency.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.