CN216747764U - Multi-axis-guided magnetic separation device and sample analyzer - Google Patents

Abstract

The utility model provides a multi-axis guiding magnetic separation device and a sample analyzer, wherein the multi-axis guiding magnetic separation device comprises a cleaning disc component, a cleaning disc component and a disc cover arranged above the cleaning disc component; the liquid injection and mixing assembly is arranged above the cleaning disc assembly; and the liquid injection and mixing assembly is arranged on the cleaning disc assembly through the guide structure. The utility model can ensure that the mixing plate and the cup beating plate are parallel to the surface of the cleaning disc, so that the vertical movement of the mixing plate and the cup beating plate is more accurate, and the vertical precision requirements of liquid injection, cup grabbing and cup beating actions are met; the quality distribution of the liquid injection and mixing assembly is uniform, and the vertical reciprocating motion cannot be hindered due to the inclination.

Description

Multi-axis-guided magnetic separation device and sample analyzer

Technical Field

The utility model belongs to the technical field of medical equipment, especially, relate to a magnetic separation device and sample analysis appearance of multiaxis direction.

Background

In the medical equipment field, the function of sample analysis appearance is more, needs to realize through function module such as appearance, incubation, magnetic separation, snatch, transmission, wherein, commonly use the magnetic separation device to carry out the magnetic separation operation, and the magnetic separation device reaches the purpose of washing and magnetic separation through absorbing the supernatant in the sample container again with magnetic complex (for example, magnetic bead) on the inner wall of sample container.

The liquid injection and mixing module in the conventional magnetic separation device is limited by two guide columns or is independently assembled, and the liquid injection and liquid suction components which are assembled by the two guide columns or independently have the condition of left and right deflection, so that the motion precision of the grabbing direction of the reaction cup and the sample adding direction of the liquid injection needle is influenced, and the faults of assembly inclined blocking, cup grabbing and placing failure and striker or solution wall hanging are caused. Therefore, there is a need for a magnetic separator that is compact and stable and provides precise liquid injection and absorption movements.

SUMMERY OF THE UTILITY MODEL

In view of the above prior art's shortcoming, the utility model aims to provide a magnetic separation device and sample analyzer of multiaxis direction for the liquid mixing module that annotates of solving magnetic separation device among the prior art appears the skew when moving and influences the problem of annotating or grabbing cup operation precision.

To achieve the above and other related objects, the present invention provides a magnetic separator with multiple axes orientation, comprising:

the cleaning disc assembly comprises a disc body and a disc cover arranged above the disc body;

the liquid injection and mixing assembly is arranged above the cleaning disc assembly; and

guide structure, the configuration is three at least groups, annotate the liquid mixing subassembly and pass through guide structure and install on the cleaning dish subassembly.

Further, annotate liquid mixing subassembly and include the mixing board, clap a glass board and annotate liquid mixing drive structure, clap a glass board and set up in mixing board top, clap a glass board and mixing board and pass through guide structure and wash a set of subassembly and be on a parallel with a set of lid surface, clap a glass board and mixing board and can do vertical reciprocating motion along guide structure separately under the effect of annotating liquid mixing drive structure.

Further, guide structures set up to three groups, three groups guide structures are isosceles triangle and distribute, just isosceles triangle's barycenter does annotate the drive axis of liquid mixing drive structure.

Further, every group guide structure includes the guide post and sets up first fitting piece and second fitting piece on the guide post, the guide post vertical fixation is covered on the dish, first fitting piece is installed on clapping the cup board, the second fitting piece is installed on the mixing board, and is whole first fitting piece or whole vertical reciprocating motion is made along the guide post that corresponds simultaneously to the second fitting piece, first fitting piece and second fitting piece are linear bearing.

Further, the bottom of the guide post is locked by a locking piece to limit the axial movement of the guide post; an anti-rotation structure is arranged between the bottom of the guide column and the disc cover to limit the circumferential movement of the guide column; the top of guide post is provided with the locating part, limits clap the motion stroke of cup board and mixing board.

Further, annotate liquid mixing drive structure and include the transfer line and connect first driving motor and second driving motor on the transfer line, the transfer line vertical fixation is covered on the dish, first driving motor installs on clapping the cup board, second driving motor installs on the mixing board.

Further, the liquid injection and mixing assembly further comprises a mixing motor, a synchronous belt and a plurality of groups of mixing structures, each group of mixing structures comprises a mixing belt wheel and a gripper which are arranged on the mixing plate and coaxially connected, and the mixing belt wheel is in transmission connection with the synchronous belt; when the blending plate vertically reciprocates, the gripping device can be driven to pick up the reaction cup; when the blending motor drives the blending belt wheel to rotate through the synchronous belt, the blending motor can drive the gripper to rotate the reaction cup.

Further, every group the mixing structure is still including setting up the pole of taking off the cup on the mixing board, it is located the tongs top to take off the cup pole, it is equipped with the notes liquid needle to take off the interpolation of cup pole, it is provided with the piece of clapping the cup corresponding to every group mixing structure department on the board to clap, it is located the pole top of taking off the cup to clap the cup piece, when clapping the vertical reciprocating motion of cup board doing, through clap the cup piece and take off the cooperation motion of cup pole, can drive tongs desorption reaction cup.

Further, the multi-axis oriented magnetic separation device further comprises:

the liquid suction assembly is arranged above the cleaning disc assembly and is used for sucking liquid after solid-liquid separation in the reaction cup;

the driving assembly is arranged at the bottom of the cleaning disc assembly and used for driving the cleaning disc assembly to rotate; and

the heating assembly is arranged at the bottom of the cleaning disc assembly and used for heating the cleaning disc assembly;

the utility model also provides a sample analyzer, including the sampling needle module, reagent dish module, incubation dish module and detection module, wherein:

the sampling needle module is used for sucking a reagent or a sample and placing the reagent or the sample in the reaction cup;

the reagent disk module is used for storing reagents and keeping the temperature of the reagents in a constant temperature state;

the incubation disc module is used for incubating the object to be tested to meet the conditions required by the biochemical reaction;

a magnetic separation module for washing and magnetically separating a sample, the magnetic separation module comprising a multi-axis guided magnetic separation device as described above;

and the detection module is used for detecting the object to be detected to obtain a detection result.

As described above, the utility model discloses following beneficial effect has:

the liquid injection blending assembly adopts a plurality of groups of guide structures, so that the liquid injection blending assembly can be ensured to be parallel to the surface of the cleaning disc assembly, the vertical movement of the liquid injection blending assembly is more accurate, the liquid injection position accuracy is higher, and the accuracy requirements of the vertical direction of liquid injection, cup grabbing and cup beating actions are met; moreover, the mass distribution of the liquid injection and uniform mixing assembly is uniform, and the vertical reciprocating motion cannot be hindered due to inclination; meanwhile, the overall structure of the magnetic separation device is lighter, smaller and more compact.

Drawings

Fig. 1 is a schematic structural diagram of a multi-axis oriented magnetic separation device according to an embodiment of the present invention;

fig. 2 is a schematic structural view of a multi-axis guiding magnetic separation device according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a liquid injection and mixing assembly according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a liquid injection and mixing assembly according to an embodiment of the present invention;

fig. 5 is a third schematic structural view of the liquid injection and mixing assembly according to the embodiment of the present invention.

Description of reference numerals

100-a wash tray assembly; 110-a tray body; 111-an outer disc; 111 a-attracting magnet; 120-a tray cover; 121-a baffle; 122-anti-rotation block;

200-a wicking assembly; 210-a liquid suction plate; 220-a liquid suction motor; 230-a liquid suction needle; 240-a shield;

300-liquid injection and uniform mixing component;

310-mixing plate;

320-cup beating plate; 321-cup beating block;

330-a guide structure; 331-a guide post; 332-first fitting; 333-a second fitting; 334-a limit stop;

341-a blending motor; 342-a synchronous belt; 343-a uniform mixing structure; 3431-cup removing rod; 3432-blending band pulley; 3433-gripper; 344-liquid injection needle;

350-liquid injection mixing driving structure; 351-a transmission rod; 352-a first drive motor; 353-a second drive motor;

361-a detection component; 362-a velocity measurement component;

400-a drive assembly; 410-total drive motor; 420-a tensioning mechanism; 430-a drive pulley;

500-heating the assembly.

Detailed Description

The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.

It should be understood that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any structure modification, ratio relationship change or size adjustment should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the function that the present invention can produce and the purpose that the present invention can achieve. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.

Referring to fig. 1 to 5, the present invention provides a multi-axis guiding magnetic separator, including:

a cleaning tray assembly 100 including a tray body 110 and a tray cover 120 disposed above the tray body 110;

the liquid injection and mixing assembly 300 is arranged above the cleaning disc assembly 100; and

the guide structures 330 are configured into at least three groups, and the liquid injection and mixing assembly 300 is installed on the cleaning disc assembly 100 through the guide structures 330.

Can guarantee through multiunit guide structure 330 to annotate liquid mixing subassembly 300 and be on a parallel with the dish lid 120 surface, its motion is steady, satisfies the perpendicular direction required precision of annotating liquid, grabbing the cup and clapping the cup action.

Specifically, annotate liquid mixing subassembly and include mixing board 310, clap a cup board 320 and annotate liquid mixing drive structure 350, guide structure 330 configures to three at least groups, clap a cup board 320 and set up in mixing board 310 top, clap a cup board 320 and mixing board 310 and be connected and be on a parallel with the lid 120 surface through guide structure 330 with washing dish subassembly 100, clap a cup board 320 and mixing board 310 and can independently do vertical reciprocating motion along guide structure 330 separately under the effect of annotating liquid mixing drive structure 350.

Preferably, in this embodiment, the guiding structures 330 are arranged in three groups, the three groups of guiding structures 330 are distributed in an isosceles triangle, and a center of mass of the isosceles triangle is a driving axis of the liquid injection blending driving structure 350. Specifically, the driving axis of the injection and mixing driving structure 350 is located at the center of the tray cover 120, and the center of mass of the isosceles triangle is coaxial with the driving axis. So set up, can make each subassembly mass distribution even, mixing board 310 and clap a cup board 320 and be on a parallel with the disk cover 120 surface all the time, can not lead to up-and-down motion because of the slope and hinder.

In this embodiment, the tray body 110 includes an outer tray 111 and an annular inner tray disposed inside the outer tray 111, the inner tray is uniformly provided with carrying positions for carrying reaction cups along a circumference, and the tray cover 120 of the cleaning tray assembly 100 is provided with at least one suction level and at least one injection level. The side of the outer disc 111 is provided with at least one adsorption magnet 111a along the ring shape, and at least one hole is not provided with the adsorption magnet 111a, when the corresponding component performs the action of imbibing and mixing, the adsorption magnet 111a adsorbs the magnetic beads in the reaction cup, thereby ensuring the successful completion of imbibing and mixing. The outer tray 111 and the tray cover 120 are adhered with heat insulation cotton to ensure the temperature in the tray to be stable. A baffle plate 121 is arranged above the central groove of the disk cover 120, so that foreign matters are prevented from entering to influence the movement of the components.

Annotate liquid mixing subassembly 300 is used for annotating the liquid to the reaction cup in the washing dish to the reaction cup after annotating the liquid is mixed. The blending plate 310 and the cup beating plate 320 in the liquid injection blending assembly 300 need to move vertically when corresponding operations are executed.

In this embodiment, each group of the guide structure 330 includes a guide post 331, and a first fitting member 332 and a second fitting member 333 arranged on the guide post 331, the guide post 331 is perpendicularly fixed on the tray cover 120 of the cleaning tray assembly 100, the first fitting member 332 is installed on the cup beating plate 320, the second fitting member 333 is installed on the mixing plate 310, and all the first fitting member 332 or all the second fitting member 333 makes vertical reciprocating motion along the corresponding guide post 331 simultaneously. With the structure, the mixing plate 310 and the cup arranging plate are connected with the plate cover 120 of the cleaning plate assembly 100 through three groups of guide posts 331, each group of guide posts 331 is matched with the corresponding first matching piece 332 and second matching piece 333, and when the cup beating plate 320 vertically reciprocates, the three first matching pieces 332 are respectively matched with the three guide posts 331 to simultaneously move up and down under the action of the liquid injection mixing driving structure 350; when the blending plate 310 vertically reciprocates, the three second fitting members 333 are respectively matched with the three guide posts 331 to simultaneously move up and down under the action of the liquid injection blending driving structure 350.

The first fitting member 332 and the second fitting member 333 are linear bearings. This configuration ensures that the first fitting member 332 and the second fitting member 333 can respectively perform vertical reciprocating motion of the cup arranging plate and the kneading plate 310 along the guide post 331.

In this embodiment, the bottom of the guiding column 331 is locked by a locking member, so as to limit the axial movement of the guiding column 331; an anti-rotation structure is arranged between the bottom of the guide column 331 and the tray cover 120 of the cleaning tray assembly 100 to limit the circumferential movement of the guide column 331; the top of guide post 331 is provided with locating part 334, the restriction beat the motion stroke of cup board 320 and mixing board 310. Specifically, the guiding column 331 is fixed on the tray cover 120 of the cleaning tray assembly 100, and the bottom of the guiding column 331 is locked by a combination screw, so as to ensure that the guiding column 331 can be perpendicular to the tray cover 120, and at the same time, ensure that the guiding column 331 does not move axially. A mounting groove is formed in the tray cover 120, a step portion is formed in the mounting groove, an anti-rotation notch is formed in the bottom of the guide column 331, an anti-rotation block 122 is arranged on the step portion, and the anti-rotation block 122 and the anti-rotation notch are matched to form an anti-rotation structure, so that the guide column 331 does not move circumferentially; in addition, the limiting member 334 arranged at the top of the guiding column 331 can be a limiting screw, so that the vertical reciprocating motion of the cup beating plate 320 and the blending plate 310 is always within the limited stroke of the guiding column 331, and the safety and reliability of the structure are ensured.

In this embodiment, the liquid injection and mixing driving structure 350 is used to control and drive the cup beating plate 320 and the mixing plate 310 to move up and down. The liquid injection and mixing driving structure 350 comprises a transmission rod 351, and a first driving motor 352 and a second driving motor 353 which are connected to the transmission rod 351, wherein the transmission rod 351 is vertically fixed on the plate cover 120 of the cleaning plate assembly 100, the first driving motor 352 is installed on the cup beating plate 320, and the second driving motor 353 is installed on the mixing plate 310. Specifically, the bottom of the transmission rod 351 is fixed to the bottom of the disk cover 120 through a fastener, the transmission rod 351 adopts a lead screw, two driving motors are arranged on the lead screw, the first driving motor 352 can control the cup beating plate 320 to vertically move along the three guide posts 331 when acting, and the specific ascending or descending can be realized by the forward and reverse rotation of the first driving motor 352; when the second driving motor 353 acts, the blending plate 310 can be controlled to vertically move along the three guide columns 331, and the specific ascending or descending can be realized by the forward and reverse rotation of the second driving motor 353. Therefore, on one hand, the vertical reciprocating motion of the cup beating plate 320 and the vertical reciprocating motion of the mixing plate 310 can be independently controlled through the two driving motors, so that different functional requirements are met; on the other hand, the structure is compact, the occupied space is reduced, and the purposes of light weight and miniaturization can be achieved.

In addition, the liquid injection blending assembly 300 further comprises a blending motor 341, a synchronous belt 342 and a plurality of blending structures 343, each blending structure 343 comprises a blending belt wheel 3432 and a hand grip 3433 which are arranged on the blending plate 310 and coaxially connected, and the blending belt wheel 3432 is in transmission connection with the synchronous belt 342; when the blending plate 310 vertically reciprocates, the gripper 3433 can be driven to pick up the reaction cup; when the blending motor 341 drives the blending belt wheel 3432 to rotate through the synchronous belt 342, the gripping device 3433 can be driven to rotate the reaction cup. Specifically, the blending structures 343 are disposed at a position close to the edge of the blending plate 310, the hand grip 3433 has certain elasticity and can perform a cup gripping or cup releasing action, the hand grip 3433 is disposed below the blending plate 310, and the blending belt wheel 3432 is disposed above the blending plate 310. The hand grip 3433 can pick up the reaction cup in the cleaning tray assembly 100 by the vertical movement of the kneading plate 310 up and down; the blending motor 341 drives the synchronous belt 342 to drive each set of blending belt wheel 3432 to rotate simultaneously, thereby driving each set of reaction cups on the hand grips 3433 to rotate, and completing the blending action.

Each group of the blending structures 343 further includes a cup removing rod 3431 disposed on the blending plate 310, the cup removing rod 3431 is disposed above the handle 3433, the liquid injection needle 344 is inserted into the cup removing rod 3431, the top of the liquid injection needle 344 is fixed, and the liquid injection end at the lower part of the cup removing rod 3431 extends into the cup removing rod 3431 for injecting liquid into the reaction cup. The cup beating plate 320 is provided with cup beating blocks 321 corresponding to each group of blending structures 343, the cup beating blocks 321 are located above the cup releasing rods 3431, and when the cup beating plate 320 vertically reciprocates, the cup beating blocks 321 and the cup releasing rods 3431 are matched to move, so that the grippers 3433 can be driven to release the reaction cups. The cup beating plate 320 is driven by the blending driving assembly 400 to vertically move up and down, and cup removing action of the reaction cup under the action of the hand grip 3433 is realized by means of the matching of the cup beating block 321 and the cup removing rod 3431.

And, hold-in range 342 is connected with a speed measuring component 362, and when hold-in range 342 drove speed measuring component 362 motion under mixing motor 341 drives, through speed measuring component 362 and detection component 361's cooperation, can real time monitoring mixing speed, can in time feed back the condition that hold-in range 342 takes place ageing or fracture simultaneously.

Further, the multi-axis oriented magnetic separation device further comprises:

the liquid suction component 200 is arranged above the cleaning disc component 100 and is used for sucking liquid after solid-liquid separation in the reaction cup;

the driving assembly 400 is arranged at the bottom of the cleaning disc assembly 100 and is used for driving the cleaning disc assembly 100 to rotate; and

a heating assembly 500 disposed at the bottom of the cleaning disc assembly 100 for heating the cleaning disc assembly 100;

in this embodiment, imbibition subassembly 200 includes imbibition board 210, imbibition motor 220, imbibition needle 230, and imbibition board 210 sets up in annotating liquid mixing subassembly 300 top, is provided with guard shield 240 above imbibition board 210 to avoid foreign matter or liquid to get into and influence the subassembly motion. The liquid suction needle 230 is fixed on the liquid suction plate 210, the liquid suction motor 220 drives the liquid suction needle 230 to move up and down, and a compression spring is arranged between the liquid suction needle 230 and the liquid suction plate 210, so that the liquid suction needle 230 is ensured not to generate rigid collision in the liquid suction process in the reaction cup.

The driving assembly 400 comprises a main driving motor 410, a tensioning mechanism 420 and a driving pulley 430, the main driving motor 410 is arranged at the bottom of the cleaning disc assembly 100, the main driving motor 410 drives the driving pulley 430 coaxial with the disc body 110 to move synchronously so as to drive the inner disc to rotate, and the tensioning mechanism 420 plays a role in tension adjustment of the synchronous belt 342.

The heating assembly 500 is installed at the bottom of the cleaning tray assembly 100, and in this embodiment, the heating assembly 500 employs a heating film, which is attached to the bottom of the tray body 110.

The utility model also provides a sample analyzer, including the sampling needle module, reagent dish module, incubation dish module, magnetic separation module and detection module, wherein:

the sampling needle module is used for sucking a reagent or a sample and placing the reagent or the sample in the reaction cup;

the reagent disk module is used for storing reagents and keeping the temperature of the reagents in a constant temperature state;

the incubation disc module is used for incubating the object to be tested to meet the conditions required by the biochemical reaction;

a magnetic separation module for washing and magnetically separating a sample, the magnetic separation module comprising a multi-axis oriented magnetic separation device as described above;

and the detection module is used for detecting the object to be detected to obtain a detection result.

In summary, in the multi-axis-guided magnetic separation device and the sample analyzer provided in the embodiments of the present invention, the liquid-injecting and mixing assembly is of a multi-group guide structure, so that the liquid-injecting and mixing assembly can be ensured to be parallel to the surface of the cleaning disc assembly, the vertical movement of the liquid-injecting and mixing assembly is more accurate, the liquid-injecting position accuracy is higher, and the accuracy requirement of the vertical direction of the liquid-injecting, cup-grabbing and cup-beating actions is met; moreover, the mass distribution of the liquid injection and uniform mixing assembly is uniform, and the vertical reciprocating motion cannot be hindered due to inclination; meanwhile, the overall structure of the magnetic separation device is lighter, smaller and more compact.

The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims (9)

1. A multi-axis guided magnetic separation device, comprising:

the cleaning disc assembly comprises a disc body and a disc cover arranged above the disc body;

the liquid injection and mixing assembly is arranged above the cleaning disc assembly; and

the liquid injection and mixing assembly is arranged on the cleaning disc assembly through the guide structure;

wherein, annotate liquid mixing subassembly and include the mixing board, clap the cup board and annotate liquid mixing drive structure, clap the cup board and set up in mixing board top, clap cup board and mixing board and pass through guide structure and wash a subassembly and be on a parallel with the dish lid surface, clap cup board and mixing board and can do vertical reciprocating motion along guide structure separately under the effect of annotating liquid mixing drive structure.

2. Multi-axis guided magnetic separation apparatus as claimed in claim 1, wherein: the guide structure sets up to three groups, three groups the guide structure is isosceles triangle and distributes, just isosceles triangle's barycenter does annotate the drive axis of liquid mixing drive structure.

3. Multi-axis guided magnetic separation apparatus as claimed in claim 2, wherein: every group guide structure includes the guide post and sets up first fitting piece and second fitting piece on the guide post, the guide post vertical fixation is covered on the dish, first fitting piece is installed on clapping the cup board, the second fitting piece is installed on the mixing board, and is whole first fitting piece or whole vertical reciprocating motion is made along the guide post that corresponds simultaneously to the second fitting piece, first fitting piece and second fitting piece are linear bearing.

4. Multiaxially oriented magnetic separation apparatus as recited in claim 3, in which:

the bottom of the guide post is locked by a locking piece to limit the axial movement of the guide post;

an anti-rotation structure is arranged between the bottom of the guide column and the disc cover to limit the circumferential movement of the guide column;

the top of guide post is provided with the locating part, restricts the motion stroke of clapping cup board and mixing board.

5. Multi-axis guided magnetic separation device according to claim 1, wherein: annotate liquid mixing drive structure and include the transfer line and connect first driving motor and second driving motor on the transfer line, the transfer line vertical fixation is on the dish lid, first driving motor installs on clapping the cup board, second driving motor installs on the mixing board.

6. Multi-axis guided magnetic separation apparatus as claimed in claim 1, wherein: the liquid injection blending assembly further comprises a blending motor, a synchronous belt and a plurality of blending structures, each blending structure comprises a blending belt wheel and a gripper, the blending belt wheels are arranged on the blending plate and are coaxially connected, and the blending belt wheels are in transmission connection with the synchronous belt; when the blending plate vertically reciprocates, the gripping device can be driven to pick up the reaction cup; when the blending motor drives the blending belt wheel to rotate through the synchronous belt, the blending motor can drive the gripper to rotate the reaction cup.

7. Multiaxially oriented magnetic separation apparatus as recited in claim 6, in which: every group the mixing structure is still including setting up the pole of taking off the cup on the mixing board, it is located the tongs top to take off the cup pole, it is equipped with the notes liquid needle to take off the interpolation of cup pole, it is provided with the cup piece of clapping corresponding to every group mixing structure department on the cup board to clap, it is located and takes off cup pole top to clap the cup piece, when clapping the cup board and making vertical reciprocating motion, through clap the cup piece and take off the cooperation motion of cup pole, can drive tongs desorption reaction cup.

8. The multi-axis guided magnetic separation device of claim 1, further comprising:

the liquid suction assembly is arranged above the cleaning disc assembly and is used for sucking liquid after solid-liquid separation in the reaction cup;

the driving assembly is arranged at the bottom of the cleaning disc assembly and used for driving the cleaning disc assembly to rotate; and

and the heating assembly is arranged at the bottom of the cleaning disc assembly and used for heating the cleaning disc assembly.

9. The utility model provides a sample analyzer, its characterized in that includes sampling needle module, reagent dish module, incubates dish module and detection module, wherein:

the sampling needle module is used for sucking a reagent or a sample and placing the reagent or the sample in the reaction cup;

the reagent disk module is used for storing reagents and keeping the temperature of the reagents in a constant temperature state;

the incubation disc module is used for incubating the object to be tested to meet the conditions required by the biochemical reaction;

a magnetic separation module for washing and magnetically separating a sample, the magnetic separation module comprising a multi-axis oriented magnetic separation device according to any one of claims 1-8;

and the detection module is used for detecting the object to be detected to obtain a detection result.

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