CN218974384U - Sample transfer apparatus - Google Patents

Abstract

The utility model relates to a sample transfer device, which comprises a workbench, transfer tables and a liquid adding mechanism, wherein reagent bottles are arranged on the workbench, at least two transfer tables are arranged on the workbench and move back and forth along a first direction, a liquid transferring device, a sample bottle and a centrifugal tube which move along with the transfer tables are arranged on the transfer tables at intervals, the liquid transferring mechanism is arranged corresponding to each transfer table and is used for clamping the liquid transferring device to transfer samples in the sample bottles into the centrifugal tube, the liquid adding mechanism comprises a cross beam arranged above the workbench, the cross beam is slidably provided with a liquid adding arm which moves back and forth along a second direction, and the liquid adding arm can add reagents in the reagent bottles into the centrifugal tube. The automatic reagent adding device can improve the efficiency of sample transfer, does not affect the sample transfer work of other transfer tables when one transfer table or a pipetting mechanism breaks down, and realizes the automatic reagent adding in the centrifuge tube, the reagent adding amount in each centrifuge tube is more accurate than manual reagent adding, the sample processing amount is larger, and the efficiency is higher.

Description

Sample transfer apparatus

Technical Field

The utility model relates to the technical field of cell detection, in particular to a sample transfer device.

Background

The sample transfer device is used for realizing automatic equipment for sample transfer in the process of cell slide-making and dyeing, and can replace manual sample treatment by adopting sample transfer, so that automatic operation of transferring the cell sample in the cell sample storage bottle to a centrifuge tube is realized, not only is direct contact between an operator and the sample avoided, but also the sample transfer speed is high, and the operation is simple. In order to achieve good layering effect of the sample in the centrifuge tube, the reagent needs to be added into the centrifuge tube before the cell sample is transferred into the centrifuge tube, and the cell sample is transferred into the centrifuge tube after the reagent is added. In the prior art, the reagent is usually required to be manually added into the centrifuge tube, and the manual adding method has the defects of uneven quantity and speed of each reagent adding, frequent operation and low efficiency. In addition, the existing sample transfer apparatus is provided with only one transfer table for transferring samples, the amount of transferred samples is small, and the efficiency of sample transfer is low.

Disclosure of Invention

The aim of the embodiment of the utility model is that: the sample transfer device is simple in structure and high in working efficiency.

To achieve the purpose, the embodiment of the utility model adopts the following technical scheme:

there is provided a sample transfer apparatus comprising:

the workbench is provided with a reagent bottle;

the transfer tables are arranged on the workbench, the transfer tables move back and forth along a first direction, a pipettor, a sample bottle and a centrifuge tube which move together with the transfer tables are arranged on the transfer tables at intervals, a pipetting mechanism is arranged corresponding to each transfer table, and the pipetting mechanism is used for clamping the pipettor to transfer samples in the sample bottle into the centrifuge tube;

the liquid adding mechanism comprises a cross beam arranged above the workbench, a liquid adding arm capable of reciprocating along a second direction is slidably arranged on the cross beam, the liquid adding arm is communicated with the reagent bottle, and the liquid adding arm can add reagents in the reagent bottle into the centrifuge tube.

As a preferred scheme of sample transfer apparatus, the transfer platform includes removal seat and sample transfer frame, it is in to remove the seat slip setting on the workstation, the sample transfer frame sets up remove on the seat, it is protruding to remove the seat and be equipped with the bolt, the bottom of sample transfer frame corresponds the bolt is provided with the bolt hole, the bolt with the bolt hole is pegged graft fixedly.

As a preferred scheme of the sample transfer device, a plugging groove is formed in the side wall of the plug pin, a mounting hole is formed in the sample transfer frame, the through hole is communicated with the plug pin hole, a plug connector is movably arranged in the through hole, one end, away from the plug pin hole, of the plug connector extends to the outside of the sample transfer frame to be connected with a handle, and the handle can control the plug connector to withdraw from or insert into the plugging groove.

As a preferred scheme of the sample transfer device, one end of the movable seat is provided with a limiting plate, the limiting plate is arranged at intervals with the bolt, and the limiting plate and the bolt limit the sample transfer frame together.

As a preferred scheme of sample transfer apparatus, sample transfer frame includes connecting piece, first mounting panel and second mounting panel, first mounting panel with the second mounting panel passes through the connecting piece and connects, first mounting panel and second mounting panel interval set up, be provided with first mounting hole on the first mounting panel, the centrifuging tube sets up in first mounting hole, the second mounting panel is close to be provided with the recess on the side of first mounting panel, the bottom butt of centrifuging tube is in on the cell wall of recess.

As a preferred scheme of sample transfer apparatus, pipetting mechanism includes drive assembly and holder, drive assembly with the holder is connected, the holder interval is provided with a plurality of holding tanks that are used for holding the pipettor, drive assembly through the drive the holder centre gripping the pipettor to sample bottle drawing liquid or to the centrifuging tube notes liquid.

As a preferred scheme of the sample transfer apparatus, the clamping member comprises a first clamping plate and a second clamping plate, the second clamping plate is located below the first clamping plate, the pipette comprises a piston and a sleeve, the piston is movably arranged in the sleeve, a first circular ring is arranged on the piston, a second circular ring is arranged on the sleeve, a first clamping groove for clamping the first circular ring is arranged on the first clamping plate, a second clamping groove for clamping the second circular ring is arranged on the second clamping plate, and the driving assembly drives the first clamping plate and the second clamping plate to be far away from each other in a liquid pumping state; when in a liquid injection state, the driving assembly drives the first clamping plate and the second clamping plate to be close to each other.

As a preferable mode of the sample transfer apparatus, a pressing plate is provided below the pipetting mechanism, the pressing plate being for pressing the sample bottle to prevent the sample bottle from being separated from the transfer table when the pipettor is withdrawn from the sample bottle.

As a preferred embodiment of the sample transfer apparatus, a weight sensor is provided on the table, and the reagent bottle is provided on the weight sensor.

As a preferred scheme of the sample transferring device, the sample transferring device comprises a rack, wherein an operation indicator lamp is arranged on the rack.

The embodiment of the utility model has the beneficial effects that: through being provided with two at least transfer tables on the workstation, every is provided with pipettor, sample bottle and centrifuging tube on the interval on the transfer table, corresponds every transfer table is provided with pipetting mechanism, pipetting mechanism can the centre gripping pipettor with the sample transfer in the sample bottle to the centrifuging tube in, improves the efficiency that the sample was transferred, does not influence the transfer work of other transfer tables when one of them transfer table or pipetting mechanism break down. In addition, through setting up the reagent bottle on the workstation, be provided with the crossbeam in the workstation top, the crossbeam slides and is provided with along the interpolation liquid arm of second direction reciprocating motion, interpolation liquid arm and reagent bottle intercommunication, interpolation liquid arm can add the reagent in the reagent bottle to the centrifuging tube in, has realized the automatic interpolation of required reagent in the centrifuging tube, and the volume of adding the reagent in every centrifuging tube compares the manual work to add more accurately, and efficiency is higher.

Drawings

The utility model is described in further detail below with reference to the drawings and examples.

Fig. 1 is a schematic structural view of a sample transfer apparatus according to an embodiment of the present utility model.

Fig. 2 is a partial enlarged view at a of fig. 1.

Fig. 3 is a left side view of a sample transfer apparatus according to an embodiment of the present utility model.

Fig. 4 is a partial enlarged view at B of fig. 3.

Fig. 5 is a cross-sectional view of a transfer table according to an embodiment of the present utility model.

Fig. 6 is a schematic structural diagram of a pipetting mechanism according to an embodiment of the utility model.

Fig. 7 is a schematic diagram of a structure of a pipetting mechanism according to an embodiment of the utility model.

In the figure:

1. a frame; 2. a work table; 3. a transfer station; 31. a movable seat; 311. a plug pin; 312. a limiting plate; 32. a sample transfer rack; 321. a pipette; 3211. a first ring; 3212. a second ring; 322. a sample bottle; 323. centrifuging tube; 324. a bolt hole; 325. a plug-in component; 326. a handle; 327. a groove; 328. a first mounting plate; 329. a second mounting plate; 4. a liquid adding mechanism; 41. a cross beam; 42. a liquid adding arm; 5. a pipetting mechanism; 51. a drive assembly; 511. a first driving member; 512. a second driving member; 52. a clamping member; 521. a first clamping plate; 5211. a first clamping groove; 522. a second clamping plate; 5221. a second clamping groove; 53. a pressing plate; 6. a reagent bottle; 7. operating an indicator light; 8. and a touch screen.

Detailed Description

In order to make the technical problems solved by the present utility model, the technical solutions adopted and the technical effects achieved more clear, the technical solutions of the embodiments of the present utility model will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to fall within the scope of the utility model.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

Referring to fig. 1, the sample transfer apparatus is an automation device for realizing sample transfer in the process of cell slide staining, and can replace manual sample processing by adopting sample transfer, so that automatic operation of transferring a cell sample in a sample bottle 322 to a centrifuge tube 323 can be realized, and automatic addition of reagents required in the centrifuge tube 323 can be realized. The sample transfer apparatus of the present utility model will be described in detail with reference to specific examples.

As shown in fig. 1 to 5, the sample transfer apparatus of the present utility model comprises a workbench 2, a transfer table 3 and a liquid adding mechanism 4, wherein reagent bottles 6 are arranged on the workbench 2, at least two transfer tables 3 are arranged on the workbench 2, the transfer tables 3 move back and forth along a first direction, a liquid transfer device 321, a sample bottle 322 and a centrifuge tube 323 which move along with the transfer tables 3 are arranged on the transfer tables 3 at intervals, a liquid transfer mechanism 5 is arranged corresponding to each transfer table 3, and the liquid transfer mechanism 5 is used for clamping the liquid transfer device 321 to transfer samples in the sample bottle 322 into the centrifuge tube 323; the liquid adding mechanism 4 includes a cross member 41 provided above the table 2, and the cross member 41 is slidably provided with a liquid adding arm 42 reciprocally movable in the second direction, the liquid adding arm 42 being in communication with the reagent bottle 6, and the liquid adding arm 42 being capable of adding the reagent in the reagent bottle 6 into the centrifuge tube 323. It will be appreciated that at least two transfer tables 3 are provided on the working table 2, a pipetting mechanism 5 is provided corresponding to each transfer table 3, the pipetting mechanism 5 is located above the transfer table 3 and the pipetting mechanism 5 can reciprocate along the vertical direction, multiple groups of pipettes 321, sample bottles 322 and centrifuge tubes 323 are provided on each transfer table 3 at intervals, the transfer table 3 can drive the multiple groups of pipettes 321, sample bottles 322 and centrifuge tubes 323 to reciprocate along the first direction, the pipetting mechanism 5 can simultaneously clamp the multiple pipettes 321, and samples in the sample bottles 322 are transferred into the centrifuge tubes 323 through the pipettes 321. In the transfer process, at least two transfer tables 3 and pipetting mechanisms 5 are simultaneously operated, each pipetting mechanism 5 can clamp and transfer samples to a plurality of pipettes 321, the work efficiency is very high, and one transfer table 3 or pipetting mechanism 5 fails without affecting the sample transfer operation of the other transfer tables 3. Be equipped with reagent bottle 6 on workstation 2, set up crossbeam 41 in workstation 2 top, be provided with on crossbeam 41 and follow the reciprocating motion add liquid arm 42 of second direction, add liquid arm 42 and reagent bottle 6 and pass through the pipeline intercommunication, add liquid arm 42 can add the reagent in the reagent bottle 6 to in the centrifuging tube 323, realized the automatic interpolation of required reagent in the centrifuging tube 323, and the volume of adding the reagent in every centrifuging tube 323 compares the manual work and adds more accurately, and efficiency is higher.

As shown in fig. 1, the first direction in this embodiment is the Y-axis direction shown by the coordinate axis, the second direction is the X-axis direction shown by the coordinate axis, and the direction in which the pipetting mechanism 5 moves vertically is the Z-axis direction shown by the coordinate axis.

In an embodiment, two transfer tables 3 are arranged on the workbench 2, two pipetting mechanisms 5 are arranged corresponding to the two transfer tables 3, the transfer tables 3 and the corresponding pipetting mechanisms 5 do not affect each other, and the transfer tables 3 and the pipetting mechanisms 5 independently operate, so that the efficiency of sample transfer is improved, and the sample transfer work affecting other transfer tables 3 due to the failure of one of the transfer tables 3 or the pipetting mechanisms 5 can be avoided. In addition, only one or two of the two can be operated in a staggered way, so that the method is suitable for various scenes.

In another embodiment, two transfer tables 3 are disposed on the working table 2, and only one pipetting mechanism 5 is disposed above the two transfer tables 3, where the pipetting mechanism 5 can simultaneously clamp pipettes 321 on the two transfer tables and transfer samples in sample bottles 322 on the two transfer tables 3, which can improve the transfer efficiency of samples and avoid affecting the operation of the other transfer table 3 due to failure of one of the transfer tables 3.

Of course, the number of transfer tables 3 is not limited to one or two, but may be three, four or more, and a separate pipetting mechanism 5 may be provided for each turntable as designed for a particular need.

In this embodiment, the transfer table 3 includes a moving seat 31 and a sample transfer frame 32, the moving seat 31 is slidably disposed on the workbench 2, the sample transfer frame 32 is disposed on the moving seat 31, the moving seat 31 can drive the sample transfer frame 32 to reciprocate along a first direction, a latch 311 is convexly disposed on the moving seat 31, a latch hole 324 is disposed at a bottom of the sample transfer frame 32 corresponding to the latch 311, and the latch 311 is fixedly inserted into the latch hole 324, thereby facilitating disassembly and installation of the sample transfer frame 32.

As a preferred embodiment, the upper end of the latch 311 is tapered, and the latch hole 324 can be rapidly inserted into the latch 311 along the sidewall of the latch 311, thereby improving the installation efficiency of the sample transfer rack 32.

Specifically, a plugging slot is formed in the side wall of the plug 311, a through hole is formed in the sample transferring frame 32 and is communicated with the plug hole 324, a plug 325 is movably arranged in the through hole, one end, away from the plug hole 324, of the plug 325 is connected with a handle 326, and the handle 326 can control the plug 325 to withdraw from or insert into the plugging slot. In this embodiment, as shown in fig. 5, a plugging slot is formed on a side wall of the plug 311, a through hole is formed in the sample transferring frame 32, a plug 325 is movably disposed in the through hole, a moving direction of the plug 325 is set at an included angle with an assembling direction of the plug hole 324 and the plug 311, one end of the plug 325 far away from the plug hole 324 extends to the outside of the sample transferring frame 32 along the through hole to be connected with the handle 326, the other end extends to the inside of the plug hole 324, a spring is disposed in the through hole and connected with the plug 325, and the spring provides an acting force along the moving direction of the plug 325 for the plug 325, so that the plug 325 is always plugged in the plugging slot without other force. The operator can control the plug 325 to withdraw from or insert into the plug slot through the handle 326, when the sample transfer frame 32 needs to be disassembled, the operator needs to pull the handle 326 in a direction away from the sample transfer frame 32, the handle 326 drives the plug 325 to withdraw from the plug slot, then the sample transfer frame 32 can be lifted upwards to be taken out, and the plug 325 is moved to an original position under the action of a spring after the sample transfer frame 32 is taken out. The principle of mounting the sample transfer rack 32 on the movable base 31 is the same as the principle of dismounting the sample transfer rack 32. Of course, the handle 326 on the sample transfer stage 3 may also facilitate the operator to push or pull the transfer stage 3.

As a preferred solution, the moving direction of the plug 325 is set at right angles to the assembling direction of the plug hole 324 and the plug 311, and the plug 325 is vertically inserted into the plug slot, which is favorable for locking the plug and the plug slot, and also favorable for limiting the sample transfer rack 32 in the vertical direction by matching the plug 325 and the plug slot.

In this embodiment, a limiting plate 312 is disposed at one end of the movable seat 31, the limiting plate 312 and the latch 311 are disposed at intervals, and the limiting plate 312 and the latch 311 together limit the sample transfer rack 32. Specifically, limiting plate 312 structure is "L" type, and in the sample transfer frame 32 installation, when the one end butt that bolt hole 324 was kept away from to sample transfer frame 32 was on limiting plate 312, the position of bolt hole 324 and bolt 311 just in time aligned, need not spend too much time to carry out the correction of bolt hole 324 and bolt 311 position, has improved the installation effectiveness of sample transfer frame 32. The limiting plate 312 and the latch 311 with the L-shaped structure limit the front and rear of the sample transfer frame 32 in the vertical direction, and when the moving seat 31 drives the sample transfer frame 32 to move along the first direction, the sample transfer frame 32 is more stable.

Specifically, the sample transfer rack 32 includes the connecting piece, first mounting panel 328 and second mounting panel 329, and first mounting panel 328 and second mounting panel 329 pass through the connecting piece and connect, and first mounting panel 328 and second mounting panel 329 interval set up, are provided with first mounting hole on the first mounting panel 328, and centrifuging tube 323 setting is in first mounting hole, is provided with recess 327 on the side that second mounting panel 329 is close to first mounting panel 328, and the bottom butt of centrifuging tube 323 is on the cell wall of recess 327. In this embodiment, sample transfer frame 32 includes the connecting piece that can dismantle the connection, first mounting panel 328 and second mounting panel 329 interval set up, and first mounting panel 328 is located the top of second mounting panel 329, the interval is provided with a plurality of first mounting holes on the first mounting panel 328, second mounting hole and third mounting hole, the centrifuging tube 323 is installed in first mounting hole, sample bottle 322 is installed in the second mounting hole, pipettor 321 is installed in the third mounting hole, be provided with recess 327 in one side that second mounting panel 329 is close to first mounting panel 328, the bottom butt of centrifuging tube 323 is on the cell wall of recess 327, make centrifuging tube 323 more stable on sample transfer frame 32, can not swing.

As a preferred scheme, the second mounting panel 329 is provided with the supporting part in being close to the protruding side of first mounting panel 328, is provided with the conical tank at the middle part of supporting part, and the bottom butt in the cell wall of conical tank of centrifuging tube 323 for centrifuging tube 323 is more stable at the removal in-process, and the supporting part supports centrifuging tube 323, makes the open end protrusion of centrifuging tube 323 set up the upper surface at first mounting panel 328, is favorable to adding liquid arm 42 and pipettor 321 to inject the sample to centrifuging tube 323. In the vertical direction, supporting part and first mounting hole interval set up for centrifuging tube 323 can incline to set up on sample transfer frame 32, when adding liquid arm 42 to centrifuging tube 323 add reagent and pipettor 321 to centrifuging tube 323 injection sample, reagent or sample all can follow centrifuging tube 323's inside wall slow flow to centrifuging tube 323's bottom.

As a preferred scheme, be provided with 8 first mounting holes, 8 second mounting holes and 8 third mounting holes on every sample transfer frame 32, wherein first mounting hole, second mounting hole and third mounting hole are every 4 and are a little group, and every 4 first mounting holes of little group, second mounting hole and third mounting hole set up along the second direction interval, and are provided with centrifuging tube 323 on every first mounting hole, are provided with sample bottle 322 in every second mounting hole, set up pipettor 321 in every third mounting hole for pipetting mechanism 5 can shift the sample in 4 sample bottles 322 simultaneously on a transfer table 3, have improved sample transfer's efficiency.

Specifically, the pipetting mechanism 5 includes a driving component 51 and a clamping member 52, the driving component 51 is connected with the clamping member 52, the clamping member 52 is provided with a plurality of holding grooves for holding the pipettes 321 at intervals, and the driving component 51 clamps the pipettes 321 to pump liquid into the sample bottles 322 or to inject liquid into the centrifuge tubes 323 through the driving clamping member 52. In this embodiment, as shown in fig. 6 and 7, the number of holding members 52 is the same as the number of the pipettes 321 in each group, the size of the holding grooves is set according to the diameter of the outer wall of the pipettes 321, and at least the pipettes 321 can be mounted in the holding grooves, the driving assembly 51 includes a first driving member 511 and a second driving member 512, the first driving member 511 can drive the holding members 52 to move in the vertical direction, the second driving member 512 can drive the holding members 52 to hold the pipettes 321 to draw samples from the sample bottles 322, and the second driving member 512 can also drive the holding members 52 to hold the pipettes 321 to inject samples into the centrifuge tubes 323.

In this embodiment, as shown in fig. 6 and 7, the clamping member 52 includes a first clamping plate 521 and a second clamping plate 522, the second clamping plate 522 is located below the first clamping plate 521, the pipette 321 includes a piston and a sleeve, the piston is movably disposed in the sleeve, a first ring 3211 is disposed on the piston, a second ring 3212 is disposed on the sleeve, a first clamping groove 5211 for clamping the first ring 3211 is disposed on the first clamping plate 521, a second clamping groove 5221 for clamping the second ring 3212 is disposed on the second clamping plate 522, and in a liquid pumping state, the driving assembly 51 drives the first clamping plate 521 and the second clamping plate 522 to be far away from each other; in the liquid filling state, the driving assembly 51 drives the first clamping plate 521 and the second clamping plate 522 to approach each other. It can be appreciated that in the pipetting process of the pipetting mechanism 5, the first driving member 511 drives the clamping member 52 to move to the position of the pipettor 321, so that the pipettor 321 is located in the accommodating groove, at this time, the first clamping plate 521 and the second clamping plate 522 are located in positions close to each other, the first ring 3211 of the piston is clamped in the first clamping groove 5211, the second ring 3212 of the sleeve is clamped in the second clamping groove 5221, after the first driving member 511 drives the clamping member 52 to clamp the pipettor 321 above the sample bottle 322 and extend the needle portion of the pipettor 321 into the sample bottle 322, and then the second driving member 512 drives the first clamping plate 521 and the second clamping plate 522 to move away from each other, and at the same time, the first clamping plate 521 and the second clamping plate 522 drive the piston and the sleeve away from each other, so that the sample in the sample bottle 322 is drawn into the sleeve; after the sample is extracted, the first driving part 511 drives the clamping part 52 to withdraw the liquid dispenser 321 from the sample bottle 322, and moves the liquid dispenser 321 to a proper position to inject the sample into the centrifuge tube 323; when injecting the sample, the second driving member 512 drives the first clamping plate 521 and the second clamping plate 522 to approach each other, so as to drive the piston and the sleeve to approach each other, so that the piston extrudes the sample in the sleeve out of the sleeve and flows into the centrifuge tube 323, thereby completing the sample transfer. The first clamping plate 521 and the second clamping plate 522 clamp the pipette 321 in a clamping manner, the structure is simple, the clamping effect is good, the sample can be automatically extracted or injected by controlling the mutual approaching or separating of the first clamping plate 521 and the second clamping plate 522, the transfer efficiency is high, and the automation degree of the sample transfer device is high.

Specifically, a pressing plate 53 is provided below the pipetting mechanism 5 for pressing the sample bottle 322 to prevent the sample bottle 322 from being separated from the transfer stage 3 when the pipettor 321 is withdrawn from the sample bottle 322. In this embodiment, two pressing plates 53 are provided, and each pressing plate 53 is located between two sample bottles 322, so that two sample bottles 322 can be blocked by one pressing plate 53, so that the internal space of the sample transfer apparatus can be saved, and the production materials of the pressing plates 53 can be saved. In other embodiments, four platens 53 may be provided, one platen 53 for each sample bottle 322.

As a preferred scheme, the workbench 2 is provided with a mounting groove, a weight sensor is arranged at the bottom of the mounting groove, the reagent bottle 6 is mounted in the mounting groove, the bottom of the reagent bottle 6 is abutted on the weight sensor, the reagent amount in the reagent bottle 6 can be monitored, the weight sensor is connected with an alarm, and when the reagent in the reagent bottle 6 is reduced to a certain amount, the alarm alarms to prompt an operator

Specifically, the sample transfer apparatus further comprises a frame 1, an operation indicator lamp 7 is arranged on the frame 1, and an operator can intuitively observe the operation condition of the sample transfer apparatus through the operation indicator lamp 7.

In this embodiment, a touch screen 8 is further disposed on the frame 1, the touch screen 8 is connected with a control system, and an operator can directly control the components such as the transfer table 3, the pipetting mechanism 5, the pipetting mechanism 4, etc. through the touch screen 8, and can set and monitor the running track of each component. The touch screen 8 can be directly controlled by touching by hand, and the operation is simple and efficient.

In the description herein, it should be understood that the terms "upper," "lower," and the like are used for convenience in description and simplicity of operation only, and are not necessarily indicative or implying any particular orientation, configuration or operation of such apparatus or elements herein, and therefore should not be construed as limiting the present utility model.

In the description of the present specification, reference to the term "an embodiment" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in the foregoing embodiments, and that the embodiments described in the foregoing embodiments may be combined appropriately to form other embodiments that will be understood by those skilled in the art.

The technical principle of the present utility model is described above in connection with the specific embodiments. The description is made for the purpose of illustrating the general principles of the utility model and should not be taken in any way as limiting the scope of the utility model. Other embodiments of the utility model will be apparent to those skilled in the art from consideration of this specification without undue burden.

Claims (10)

1. A sample transfer apparatus, comprising:

the workbench is provided with a reagent bottle;

the transfer tables are arranged on the workbench, can reciprocate along a first direction, are provided with a pipette, a sample bottle and a centrifuge tube at intervals, and are provided with a pipetting mechanism corresponding to each transfer table, and the pipetting mechanism is used for clamping the pipette to transfer samples in the sample bottle into the centrifuge tube;

the liquid adding mechanism comprises a cross beam arranged above the workbench, a liquid adding arm capable of reciprocating along a second direction is slidably arranged on the cross beam, the liquid adding arm is communicated with the reagent bottle, and the liquid adding arm can add reagents in the reagent bottle into the centrifuge tube.

2. The sample transfer apparatus of claim 1, wherein the transfer station comprises a movable base and a sample transfer frame, the movable base is slidably disposed on the work station, the sample transfer frame is disposed on the movable base, the movable base is provided with a latch, the bottom of the sample transfer frame is provided with a latch hole corresponding to the latch, and the latch is fixedly inserted into the latch hole.

3. The sample transfer apparatus of claim 2, wherein a socket is provided on a side wall of the latch, a through hole is provided in the sample transfer frame, the through hole is communicated with the latch hole, a plug is movably provided in the through hole, one end of the plug away from the latch hole extends to the outside of the sample transfer frame and is connected with a handle, and the handle can control the plug to withdraw from or insert into the socket.

4. The sample transfer apparatus of claim 2, wherein one end of the movable base is provided with a limiting plate, the limiting plate is spaced from the latch, and the limiting plate and the latch cooperate to limit the sample transfer rack.

5. The sample transfer apparatus of claim 2, wherein the sample transfer rack comprises a connector, a first mounting plate and a second mounting plate, wherein the first mounting plate and the second mounting plate are connected by the connector, the first mounting plate and the second mounting plate are arranged at intervals, a first mounting hole is formed in the first mounting plate, the centrifuge tube is arranged in the first mounting hole, a groove is formed in the side, close to the first mounting plate, of the second mounting plate, and the bottom end of the centrifuge tube is abutted to the wall of the groove.

6. The sample transfer apparatus of claim 1, wherein the pipetting mechanism comprises a drive assembly and a gripper, the drive assembly is connected to the gripper, the gripper is provided with a plurality of receiving slots at intervals for receiving the pipettes, and the drive assembly grips the pipettes by driving the gripper to aspirate the sample bottles or to infuse the centrifuge tubes.

7. The sample transfer apparatus of claim 6, wherein the clamping member comprises a first clamping plate and a second clamping plate, the second clamping plate is positioned below the first clamping plate, the pipettor comprises a piston and a sleeve, the piston is movably arranged in the sleeve, a first circular ring is arranged on the piston, a second circular ring is arranged on the sleeve, a first clamping groove for clamping the first circular ring is arranged on the first clamping plate, a second clamping groove for clamping the second circular ring is arranged on the second clamping plate, and the driving assembly drives the first clamping plate and the second clamping plate to be far away from each other in a liquid pumping state; when in a liquid injection state, the driving assembly drives the first clamping plate and the second clamping plate to be close to each other.

8. The sample transfer apparatus of claim 1, wherein a platen is provided below the pipetting mechanism for holding down the sample vials to prevent the sample vials from being separated from the transfer table when the pipettes are withdrawn from the sample vials.

9. The sample transfer apparatus of claim 1, wherein a weight sensor is provided on the stage, and the reagent bottle is provided on the weight sensor.

10. The sample transfer apparatus of claim 1, comprising a housing having an operating light disposed thereon.

Images