CN210752747U

CN210752747U - Liquid transfer machine

Info

Publication number: CN210752747U
Application number: CN201921151573.9U
Authority: CN
Inventors: 王勇; 张聪; 朱军辉; 卓北辰
Original assignee: Jiangsu Jicui Micro Nano Automation System And Equipment Technology Research Institute Co ltd
Current assignee: Jiangsu Jicui Micro Nano Automation System And Equipment Technology Research Institute Co ltd
Priority date: 2019-07-22
Filing date: 2019-07-22
Publication date: 2020-06-16
Anticipated expiration: 2029-07-22

Abstract

The utility model discloses a liquid-transfering machine, include: the conveying device is a triaxial conveying device, and a motion output end of the triaxial conveying device is provided with a mounting seat; the dislocation device comprises a driving assembly and two mounting plates, the two mounting plates are symmetrically arranged relative to the driving assembly, the driving assembly comprises a gear and a driving source fixedly arranged on a mounting seat, the driving source drives the gear to rotate, and the two mounting plates are arranged in a meshed mode through a rack and the gear; the clamping device is arranged on the mounting plate and is used for clamping and fixing the pipettor; and the pressing device comprises a rotating assembly and a rotating arm, wherein each mounting seat is provided with the rotating assembly, and the rotating assembly drives the rotating arm to rotate so as to abut against a pressing head of the pipettor. The liquid sucking and discharging device can suck and discharge two different liquids, is convenient to experiment, and has a compact and simple structure and light weight.

Description

Liquid transfer machine

Technical Field

The utility model relates to a biochemical experiment operation technical field, concretely relates to move liquid machine.

Background

In a biochemical experiment of blood detection, pretreatment processes of a biological sample, such as addition and dilution of a reagent, mixing of different liquids, transfer of the sample and the like, repeatedly occur in each flow of the experiment, and are low in efficiency and quite complex. The pretreated sample can be put into related detection equipment for research, analysis and detection. At present, a manual pipettor is mainly used in a biochemical laboratory, sample pretreatment operation is manually carried out, the experimental result is greatly influenced by human factors, and problems of pipetting error, liquid leakage, forgetting to rinse and the like are easily caused, so that sample pollution is caused; in addition, for the conditions of long duration and large solution demand, the laboratory staff is engaged in single mobile sample operation for a long time, and the labor intensity is high.

The automatic pipetting system is an automatic operation platform of a biological medicine laboratory which integrates automatic operation and liquid treatment, and can realize the operations of automatic sample adding, reagent distribution, incubation and the like of samples. The influence of manual operation is reduced, and the labor intensity is reduced.

CN103846114 proposes a fully automatic pipetting workstation. The structure includes moves liquid mechanism support and several and moves liquid mechanism, moves liquid mechanism and installs on the base with linear bearing, drives with step motor hold-in range, calls to reduce vibration and noise, has improved the transmission stationarity of device.

The prior multi-channel liquid transferring head moves up and down simultaneously, and the liquid is the same liquid when being sucked and discharged. Part moves the liquid machine and is closed structure, and inconvenient operating personnel gets and puts the sample.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a liquid-transfering machine, it can absorb and discharge two kinds of different liquid, convenient experiment, compact structure is simple, light in weight.

In order to solve the technical problem, the utility model provides a move liquid machine, include: the conveying device is a triaxial conveying device, and a motion output end of the triaxial conveying device is provided with a mounting seat;

the dislocation device comprises a driving assembly and two mounting plates, the two mounting plates are symmetrically arranged relative to the driving assembly, the driving assembly comprises a gear and a driving source fixedly arranged on a mounting seat, the driving source drives the gear to rotate, and the two mounting plates are arranged in a meshed mode through a rack and the gear;

the clamping device is arranged on the mounting plate and is used for clamping and fixing the pipettor;

and the pressing device comprises a rotating assembly and a rotating arm, wherein each mounting seat is provided with the rotating assembly, and the rotating assembly drives the rotating arm to rotate so as to abut against a pressing head of the pipettor.

Preferably, the dislocation device further comprises two guide assemblies, each guide assembly comprises a sliding block and a vertically arranged sliding rail, the sliding rails are fixedly arranged on the mounting seat, the sliding blocks are matched with the sliding rails, and the racks are arranged on the sliding blocks.

Preferably, the rotating assembly comprises a steering engine, a rotating arm and a fixed seat, the steering engine is arranged on the fixed seat, and the motion output end of the steering engine is connected with the rotating arm and drives the rotating arm to rotate.

Preferably, the number of the fixing seats is two, the steering engine is arranged between the two fixing seats, the number of the rotating arms is two, a pressure rod is fixedly arranged between the two rotating arms, and the pressure rod rotates along with the rotating arms to abut against a pressing head of the pipettor.

Preferably, the clamping device comprises a lower limiting piece, a lever assembly and a claw for fixing the pipettor, wherein a limiting groove matched with the lower end of the pipettor is formed in the lower limiting piece, the lever assembly comprises a pressing plate, a first shaft rod and a second shaft rod, the first shaft rod and the second shaft rod are fixed on the pressing plate, the first shaft rod is arranged between the two fixing seats in a penetrating mode, the steering engine drives the rotating arm to rotate, and the rotating arm can abut against the second shaft rod in a rotating mode so that the pressing plate can press a gun head release button of the pipettor.

Preferably, the device further comprises a base, and a liquid taking area are arranged on the base.

Preferably, the liquid taking area is provided with a temperature control box, and a reagent bottle accommodating groove is formed in the temperature control box.

Preferably, the pipetting zone is provided with a pad for placing a culture dish.

Preferably, the base plate is provided with a groove body, the inner wall of the groove body is in a step shape, and the inner diameter of the bottom end of the groove body is smaller than that of the upper end of the groove body.

Preferably, the base is further provided with a first box body and a second box body, the first box body is used for placing a new gun head, and the second box body is used for placing a waste gun head.

The utility model has the advantages that:

1. the utility model discloses be provided with the dislocation device, two mounting panels all set up through rack and same gear engagement, so the rotation through the gear realizes the device dislocation motion of the centre gripping pipettor on two mounting panels to conveniently absorb and discharge two kinds of different liquids, convenient experiment.

2. The utility model provides a conveyer adopts open structure, makes things convenient for operating personnel to get and puts the sample.

3. The utility model discloses well clamping device is removable, adapts to the manual pipettor of different brands.

4. The utility model discloses get and put convenience, compact structure simple, light in weight.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of the structure of FIG. 1 in area A;

FIG. 3 is a schematic view of the malposition apparatus with one of the clamping devices hidden;

fig. 4 is a schematic structural view of the backing plate.

The reference numbers in the figures illustrate: 10. a base; 11. a first support base; 12. a second support seat; 20. a mounting seat; 21. mounting a plate; 22. a lower retainer; 23. a claw; 24. a fixed seat; 30. pressing a plate; 31. a first shaft lever; 32. a second shaft lever; 40. a steering engine; 41. a rotating arm; 42. a pressure lever; 50. a pipettor; 51. a gun head; 60. a motor; 61. a gear; 62. a rack; 63. a slider; 64. a slide rail; 70. a temperature control box; 71. A reagent bottle accommodating groove; 72. a base plate; 721. a trough body; 73. a first case; 74. a second case.

Detailed Description

The present invention is further described with reference to the following drawings and specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not to be construed as limiting the present invention.

Referring to fig. 1-4, the utility model discloses a liquid-transfering machine, including conveyer, dislocation device, clamping device and press device.

The conveying device is a three-axis conveying device, and a mounting seat 20 is arranged at the motion output end of the three-axis conveying device. The three-axis conveying device comprises an X-axis linear motion assembly, a Y-axis linear motion assembly and a Z-axis linear motion assembly. The X axis, the Y axis and the Z axis are vertical to each other. The X axis and the Y axis are on the horizontal plane, and the triaxial transmission device is an open type gantry triaxial movement module. As shown in fig. 1, a first supporting seat 11 is disposed on the base 10, and the first supporting seat 11 moves along the base 10 under the action of the X-axis linear motion assembly. The second supporting seat 12 is connected to the first supporting seat 11 through a Z-axis linear motion assembly, so that the second supporting seat 12 can move along the Z-axis direction relative to the first supporting seat 11. The mounting seat 20 is connected to the second support 12 by a Y-axis linear motion assembly, so that the mounting seat 20 can move in the Y-axis direction relative to the second support 12. In this manner, mount 20 may achieve three-axis motion. The open structure is convenient for operators to take and place samples.

The dislocation device comprises a driving assembly and two mounting plates 21, wherein the two mounting plates 21 are symmetrically arranged relative to the driving assembly, the driving assembly comprises a gear 61 and a driving source fixedly arranged on the mounting base 20, the driving source drives the gear 61 to rotate, and the two mounting plates 21 are arranged in a meshed mode through a rack 62 and the gear 61. The driving source may be the motor 60. Under the action of the motor 60, the gear 61 is rotated so that the two racks 62 move one upward and one downward, thereby displacing the two mounting plates 21. The dislocation device further comprises two guide assemblies, each guide assembly comprises a sliding block 63 and a vertically arranged sliding rail 64, the sliding rails 64 are fixedly arranged on the mounting base 20, the sliding blocks 63 are arranged in a matched mode with the sliding rails 64, and the racks 62 are arranged on the sliding blocks 63. Through the dislocation device, can realize that binary channels pipettor 50 moves from top to bottom, absorb different reagents.

A clamping device is provided on the mounting plate 21, the clamping device being configured to clamp the stationary pipette 50. The pressing device includes a rotating assembly and a rotating arm 41, and each mounting seat 20 is provided with a rotating assembly, and the rotating assembly drives the rotating arm 41 to rotate so as to abut against a pressing head of the pipette 50. The rotating assembly comprises a steering engine 40, a rotating arm 41 and a fixed seat 24, the steering engine 40 is arranged on the fixed seat 24, and the motion output end of the steering engine 40 is connected with the rotating arm 41 and drives the rotating arm 41 to rotate. The number of the fixing seats 24 is two, the steering engine 40 is arranged between the two fixing seats 24, the number of the rotating arms 41 is two, the pressure rods 42 are fixedly arranged between the two rotating arms 41, and the pressure rods 42 rotate along with the rotating arms 41 to abut against the pressing heads of the pipettors 50.

Clamping device includes lower spacing piece 22, lever assembly and fixed pipettor 50's jack catch 23, is provided with the spacing groove with pipettor 50 tip matched with down on the spacing piece 22, and lever assembly includes clamp plate 30, fixes first shaft lever 31 and second shaft lever 32 on clamp plate 30, and first shaft lever 31 wears to establish between two fixing bases 24, and steering wheel 40 drive rocking arm 41 rotates, and rocking arm 41 rotates and can support and press second shaft lever 32 so that clamp plate 30 presses the rifle head release button of pipettor 50. This facilitates removal of the lance tip 51. Therefore, the steering engine 40 drives the rotating arm 41 to rotate, and the pressing head of the pipette 50 can be pressed to suck and discharge liquid; on the other hand, if the rotating arm 41 is rotated further, the pressure plate 30 can be made to press the tip release button, thereby discarding the used tip 51. Therefore, the liquid suction and discharge and gun head 51 release of the liquid transfer device 50 only needs one driving element, and the liquid transfer device is compact in structure, space-saving, convenient and practical. Traditional pipettor mostly needs two drive element, and one is responsible for inhales the flowing back, and one is responsible for unloading the rifle head, and this application only need use the steering wheel can realize inhaling the operation of flowing back and release rifle head.

The utility model discloses still include base 10, be provided with on the base 10 and get the liquid district and move the liquid district. The liquid taking area is provided with a temperature control box 70, and a reagent bottle accommodating groove 71 is arranged in the temperature control box 70. The temperature control box can meet the temperature control requirement of 0-50 ℃, so that the reagent is kept in the environment for a longer time, and the operation cycle of the machine is widened.

A pad 72 for placing a culture dish is provided in the pipetting zone. The backing plate 72 is provided with a groove body 721, the inner wall of the groove body 721 is in a ladder shape, and the inner diameter of the bottom end of the groove body 721 is smaller than that of the upper end of the groove body 721. Thus, the pad 72 can accommodate different sized culture dishes.

The base 10 is further provided with a first box 73 and a second box 74, the first box 73 is used for placing new gun heads, and the second box 74 is used for placing waste gun heads. I.e. the spent lance tip is released into the second box 74.

The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. Equivalent substitutes or changes made by the technical personnel in the technical field on the basis of the utility model are all within the protection scope of the utility model. The protection scope of the present invention is subject to the claims.

Claims

1. A pipetting machine characterized by comprising:

the conveying device is a triaxial conveying device, and a motion output end of the triaxial conveying device is provided with a mounting seat;

2. The liquid transfer machine according to claim 1, wherein the displacement device further comprises two guide assemblies, each guide assembly comprises a slide block and a vertically arranged slide rail, the slide rail is fixedly arranged on the mounting seat, the slide block is matched with the slide rail, and the rack is arranged on the slide block.

3. The liquid-transfering machine as claimed in claim 1, wherein said rotating assembly includes a steering engine, a rotating arm and a fixed seat, said steering engine is disposed on the fixed seat, and the motion output end of said steering engine is connected with the rotating arm and drives the rotating arm to rotate.

4. The liquid transfer machine according to claim 3, wherein the number of the fixing seats is two, the steering engine is arranged between the two fixing seats, the number of the rotating arms is two, a pressure lever is fixedly arranged between the two rotating arms, and the pressure lever rotates along with the rotating arms to press a pressing head of the liquid transfer machine.

5. The liquid transfer machine according to claim 4, wherein the clamping device comprises a lower limiting member, a lever assembly and a claw for fixing the liquid transfer machine, a limiting groove matched with the lower end part of the liquid transfer machine is formed in the lower limiting member, the lever assembly comprises a pressure plate, a first shaft rod and a second shaft rod, the first shaft rod is fixed on the pressure plate and penetrates between the two fixing seats, the steering engine drives the rotating arm to rotate, and the rotating arm can abut against the second shaft rod to enable the pressure plate to press a gun head release button of the liquid transfer machine.

6. The pipetting machine of claim 1 further comprising a base having a pipetting zone and a pipetting zone disposed thereon.

7. The pipetting machine of claim 6, wherein the pipetting zone is provided with a temperature controlled cabinet having a reagent bottle receiving slot therein.

8. Pipetting machine as recited in claim 6 characterized in that the pipetting zone is provided with a plate for placing a culture dish.

9. The pipetting machine as recited in claim 8 wherein the backing plate is provided with a trough, the inner wall of the trough is stepped, and the inner diameter of the bottom end of the trough is smaller than the inner diameter of the upper end of the trough.

10. The pipetting machine of claim 6, wherein the base is further provided with a first cassette for holding fresh tips and a second cassette for holding spent tips.