CN213875189U

CN213875189U - Automatic blending device and sample analyzer

Info

Publication number: CN213875189U
Application number: CN202021263715.3U
Authority: CN
Inventors: 张勇
Original assignee: Shenzhen Dymind Biotechnology Co Ltd
Current assignee: Shenzhen Dymind Biotechnology Co Ltd
Priority date: 2020-06-30
Filing date: 2020-06-30
Publication date: 2021-08-03
Anticipated expiration: 2030-06-30

Abstract

The application relates to the technical field of medical equipment, specifically discloses a centre gripping subassembly, automatic mixing device and sample analysis appearance, and this centre gripping subassembly includes: the clamping device comprises a bearing block, a first clamping piece, a second clamping piece and an elastic piece, wherein the first clamping part and the second clamping part are arranged oppositely, and a first main body part and a second main body part are arranged oppositely; elastic component detachably sets up between first main part and second main part, and the both ends of elastic component respectively with first main part and second main part butt, the elastic component is used for producing the elasticity that makes first main part and second main part keep away from relatively to make first holder and second holder rotate and drive first holder and second holder and be close to each other and produce the clamping-force centre gripping by the centre gripping thing for the carrier block respectively. Through the mode, the grabbing or releasing of the clamping assembly is more stable, the elastic piece is easy to replace, the maintenance is convenient, and the maintenance cost is low.

Description

Automatic blending device and sample analyzer

Technical Field

The application relates to the technical field of medical equipment, in particular to a clamping assembly, an automatic blending device and a sample analyzer.

Background

At present, in a sample analysis device, a clamping assembly is often used to clamp a sample tube/container so as to further complete operations of conveying, distributing, blending and the like of a sample, and a driving force of a driving assembly is often used in the prior art to directly grab a clamped object.

In the long-term research and development process, the inventor finds that the driving force of the driving assembly is unstable, the clamped object is easy to break or deform, the cost of the clamping assembly is increased, the size of the clamping assembly is increased, and the miniaturization design of equipment is not facilitated.

Therefore, there is a need for a clamping assembly, an automated blending apparatus, and a sample analyzer.

SUMMERY OF THE UTILITY MODEL

The problem that above-mentioned prior art exists is solved to a certain extent in this application, provides a stability height, low in maintenance cost's centre gripping subassembly, automatic mixing device and sample analysis appearance.

In order to solve the technical problem, the application adopts a technical scheme that: providing a clamping assembly, the clamping assembly comprising: a bearing block; the first clamping piece and the second clamping piece are movably connected with the bearing block, wherein the first clamping piece comprises a first clamping part and a first main body part connected to one end of the first clamping part, the second clamping piece comprises a second clamping part and a second main body part connected to one end of the second clamping part, the first clamping part and the second clamping part are arranged oppositely, and the first main body part and the second main body part are arranged oppositely; the elastic piece is detachably arranged between the first main body part and the second main body part, two ends of the elastic piece are respectively abutted against the first main body part and the second main body part, and the elastic piece is used for generating elastic force for enabling the first main body part and the second main body part to be relatively far away, so that the first clamping piece and the second clamping piece respectively rotate relative to the bearing block and drive the first clamping part and the second clamping part to be close to each other to generate clamping force to clamp a clamped object.

Compared with the prior art, this application centre gripping subassembly has following beneficial effect:

this application is through at first holder, set up the elastic component between the second holder, the both ends of elastic component respectively with first main part and second main part butt, the elastic component is used for producing the elasticity that makes first main part and second main part keep away from relatively, so that first holder and second holder centre gripping are by the centre gripping thing, because the power of snatching by the centre gripping thing is provided by the elasticity of elastic component, make the snatching or releasing of centre gripping subassembly more stable, it is unstable effectively to have solved directly to lead to the centre gripping through the spring leaf, or direct drive power through actuating mechanism leads to by the technical problem that the centre gripping thing damaged when coming the centre gripping by the centre gripping thing. Simultaneously, because elastic component detachably sets up between first main part and second main part for the elastic component is easily changed, maintains convenient and maintain low cost, is favorable to prolonging centre gripping subassembly's whole life.

In order to solve the technical problem, the application adopts a technical scheme that: provide an automatic mixing device, the device includes: the device comprises a bracket, a Z-direction lifting mechanism, a first X-direction horizontal feeding mechanism and a blending mechanism, wherein the blending mechanism comprises the clamping assembly; the Z-direction lifting mechanism is arranged on the bracket and used for driving the blending mechanism to do vertical lifting action in the Z direction; the first X-direction horizontal feeding mechanism is arranged on the bracket and used for driving the blending mechanism to do linear horizontal motion in the X direction; the blending mechanism is used for driving the clamping assembly to swing so as to blend the sample in the clamped object clamped by the clamping assembly.

Compared with the prior art, the automatic blending device of this application has following beneficial effect:

this application accessible Z does the vertical lift action of Z direction to the drive mixing mechanism of lifting mechanism to the straight line horizontal motion of X direction is done to horizontal feed mechanism drive mixing mechanism to the first X of accessible, and then adjusts mixing mechanism's position in order to snatch treating of target location and press from both sides the thing or will be placed the target location by the centre gripping thing. In addition, because the force of grabbing the clamped object is provided by the elastic force of the elastic piece, the grabbing or releasing of the clamping assembly is more stable, and the technical problem that the clamped object is damaged due to the fact that the clamping is unstable directly caused by the spring piece or the clamped object is clamped directly by the driving force of the driving mechanism is effectively solved. Simultaneously, because elastic component detachably sets up between first main part and second main part for the elastic component is easily changed, maintains convenient and maintain low cost, is favorable to prolonging centre gripping subassembly's whole life.

In order to solve the technical problem, the application adopts a technical scheme that: there is provided a sample analyzer comprising: the sampling device is used for sampling the sample uniformly mixed by the automatic mixing device.

Compared with the prior art, the sample analyzer has the following beneficial effects:

the sample analyzer comprises an automatic blending device and a sampling device, wherein the driving blending mechanism of the lifting mechanism can do vertical lifting motion in the Z direction through the Z direction, the first X direction can drive the blending mechanism to do linear horizontal motion in the X direction through the horizontal feeding mechanism, and then the position of the blending mechanism is adjusted to grab a target position to clamp an object to be clamped or place the object to be clamped on the target position. In addition, because the force of grabbing the clamped object is provided by the elastic force of the elastic piece, the grabbing or releasing of the clamping assembly is more stable, and the technical problem that the clamped object is damaged due to the fact that the clamping is unstable directly caused by the spring piece or the clamped object is clamped directly by the driving force of the driving mechanism is effectively solved. Simultaneously, because elastic component detachably sets up between first main part and second main part for the elastic component is easily changed, maintains convenient and maintain low cost, is favorable to prolonging centre gripping subassembly's whole life.

Drawings

In order to more clearly explain the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and that for those skilled in the art, other related drawings can be obtained from these drawings without inventive effort.

FIG. 1 is a schematic structural view of a first embodiment of a clamping assembly of the present application;

FIG. 2 is a schematic partial view of a second embodiment of a clamping assembly of the present application;

FIG. 3 is a schematic structural view of a third embodiment of a clamping assembly of the present application;

FIG. 4 is a schematic structural view of a first embodiment of a kneading mechanism according to the present application;

FIG. 5 is a schematic structural view of a second embodiment of a kneading mechanism according to the present application;

FIG. 6 is a schematic structural view of a third embodiment of a kneading mechanism according to the present application;

FIG. 7 is a schematic structural view of a fourth embodiment of a kneading mechanism according to the present application;

FIG. 8 is a schematic structural diagram of a first embodiment of an automatic blending device according to the present application;

FIG. 9 is a schematic structural diagram of a second embodiment of the automatic blending device of the present application;

FIG. 10 is a schematic structural diagram of a third embodiment of an automatic blending device according to the present application;

FIG. 11 is a schematic view of a partial structure of a fourth embodiment of an automatic blending device according to the present application;

fig. 12 is a schematic structural diagram of an automatic blending device according to a fifth embodiment of the present application.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present application, as presented in the figures, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be obtained by a person skilled in the art without making creative efforts based on the embodiments of the present application, belong to the protection scope of the present application.

In the description of the present application, it is to be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

As shown in fig. 1-3, embodiments of the present application provide a clamping assembly 140, the clamping assembly 140 including: the supporting device comprises a bearing block 143, a first clamping piece 441, a second clamping piece 442 and an elastic piece 145.

Specifically, the bearing block 143 is used for being connected with an external driving assembly, and the external driving assembly drives the bearing block 143 to drive the whole clamping assembly 140 to swing, so as to realize the functions of moving, rotating, shaking and the like of the whole clamping assembly 140. For example, when the object 200 to be held is a sample container, the sample in the sample container may be mixed by shaking.

The first clamping member 441 and the second clamping member 442 are movably connected to the bearing block 143, and optionally, the first clamping member 441 and the second clamping member 442 are integrally formed, for example, by using injection molding, die casting or casting, which is beneficial to achieving the structure and controlling the tolerance of the mechanical manufacturing, and also reduces the production cost.

The first clamping member 441 includes a first clamping portion 4412 and a first body portion 4411 connected to one end of the first clamping portion 4412, and the second clamping member 442 includes a second clamping portion 4422 and a second body portion 4421 connected to one end of the second clamping portion 4422. The first body portion 4411 is disposed opposite to the second body portion 4421, and the first clamping portion 4412 is disposed opposite to the second clamping portion 4422. Specifically, the surfaces of the first and second clamping

portions

4412 and 4422 adjacent to each other have a recessed structure for receiving the object 200 to be clamped. This sunk structure has formed the centre gripping space, is favorable to increasing the clamping part and by the contact surface between the centre gripping thing 200 to improve the stability of centre gripping, the pressure of dispersion clamping part to being held the thing 200 reduces by the damage and the deformation probability of holding the thing 200.

The elastic member 145 is detachably disposed between the first body portion 4411 and the second body portion 4421, two ends of the elastic member 145 abut against the first body portion 4411 and the second body portion 4421, and the elastic member 145 is used for generating an elastic force to relatively move the first body portion 4411 and the second body portion 4421 away from each other, so that the first clamping member 441 and the second clamping member 442 respectively rotate relative to the bearing block 143 and drive the first clamping portion 4412 and the second clamping portion 4422 to approach each other to generate a clamping force to clamp the clamped object 200. Optionally, the elastic member 145 is a telescopic spring.

Compared with the prior art, the clamping assembly 140 has the following beneficial effects: according to the clamping device, the elastic piece 145 is arranged between the first clamping piece 441 and the second clamping piece 442, two ends of the elastic piece 145 are respectively abutted to the first main body part 4411 and the second main body part 4421, the elastic piece 145 is used for generating elastic force which enables the first main body part 4411 and the second main body part 4421 to be relatively far away, so that the first clamping piece 441 and the second clamping piece 442 clamp the clamped object 200, the force for grabbing the clamped object 200 is provided by the elastic force of the elastic piece, the grabbing or releasing of the clamping assembly 140 is more stable, and the technical problem that the clamped object 200 is not stably clamped directly due to the spring piece or is damaged when the clamped object 200 is clamped directly through the driving force of the driving mechanism is effectively solved. Meanwhile, the elastic member 145 is detachably disposed between the first body portion 4411 and the second body portion 4421, so that the elastic member 145 is easy to replace, convenient to maintain and low in maintenance cost, and the service life of the whole clamping assembly 140 is prolonged.

As shown in fig. 3, in the second embodiment, the clamping assembly 140 further includes at least one shaft body 445, and the shaft body 445 is disposed on a sidewall of the first body portion 4411 facing the second body portion 4421 and/or a sidewall of the second body portion 4421 facing the first body portion 4411.

The elastic member 145 is a retractable spring 145, at least one end of the retractable spring 145 is sleeved on the shaft body 445, and at this time, both ends of the retractable spring 145 are respectively abutted against the first body portion 4411 and the second body portion 4421, so as to apply an elastic force to the first body portion 4411 and the second body portion 4421.

With continued reference to fig. 2, in the third embodiment, the first and second

main body portions

4411 and 4421 are provided with first and second counter bores (not shown), respectively. The elastic member 145 is a telescopic spring 145, and both ends of the telescopic spring 145 are respectively embedded in the first and second counter bores to apply an elastic force to the first and

second body portions

4411 and 4421.

As shown in fig. 1, in the above embodiment, the clamping assembly 140 further includes: a first rotation axis (not shown) and a second rotation axis 4462. The first and second rotating shafts 4462 are fixedly installed at both sides of the bearing block 143. The first main body 4411 is provided with a first receiving hole for receiving the first rotating shaft, and the second main body 4421 is provided with a second receiving hole for receiving the second rotating shaft 4462.

One end of the first rotating shaft is inserted into the first accommodating hole, and the first clamping piece 441 is rotatably connected with the bearing block 143 through the first rotating shaft; one end of the second rotating shaft 4462 is inserted into the second receiving hole, and the second clamping member 442 is rotatably connected to the bearing block 143 via the second rotating shaft 4462.

Further, as shown in fig. 1, in the above embodiment, the clamping assembly 140 further includes a cover plate 447 at least covering a side of the first body portion 4411, the second body portion 4421 and the elastic member 145 away from the bearing block 143, and the cover plate 447 is used for fixedly disposing the first clamping member 441, the second clamping member 442 and the elastic member 145 on the bearing block 143.

As shown in fig. 1, in the above embodiment, the clamping assembly 140 further includes at least one buffer 448, the at least one buffer 448 is disposed on a surface of the first clamping portion 4412 near the second clamping portion 4422 and/or a surface of the second clamping portion 4422 near the first clamping portion 4412, and the buffer 448 can abut against the clamped object 200. The buffer material 448 can increase the friction between the clamping portion and the object 200 to be clamped, so that when the object 200 to be clamped moves, rotates, or the like, the buffer material 448 can further increase the friction between the buffer material 448 and the object 200 to be clamped, thereby improving the stability of the object 200 to be clamped, and in addition, the buffer material 448 can also be used for buffering the acting force between the clamping portion and the object 200 to be clamped, so as to protect the object 200 to be clamped and prevent the object 200 to be clamped from being broken or deformed.

Alternatively, the material of the buffer 448 may be rubber, silicone, or the like. The rubber and the silica gel have good buffering effect, are cheap and easily available, and are beneficial to reducing the cost. It is to be understood that the buffer 448 may be made of other materials as long as the hardness is less than the hardness of the first and

second clamping portions

4412 and 4422.

As shown in fig. 1-2, in the above embodiment, the clamping assembly 140 further comprises: and a stopper disposed on the carrier block 143 and between the first clamping portion 4412 and the second clamping portion 4422 for keeping a predetermined distance between the first clamping portion 4412 and the second clamping portion 4422. The blocking member can keep the first clamping member 441 and the second clamping member 442 in a certain folded shape when the first clamping member 441 and the second clamping member 442 are in a state to be grabbed, so that the two clamping

members

441 and 442 are prevented from being contacted together, and the clamped object 200 can smoothly enter a clamping space when the grabbing action is performed.

As shown in fig. 4, the present embodiment provides a blending mechanism 14, and the blending mechanism 14 includes the holding assembly 140 in the above embodiment. The mixing mechanism 14 is used for driving the holding assembly 140 to perform an oscillating motion so as to mix the sample in the held object 200.

The blending mechanism 14 further includes an adjustable fixing mechanism composed of a first fixing plate 141 and a second fixing plate 142, wherein the bearing block 143 is disposed on the second fixing plate 142. The second fixing plate 142 is detachably mounted at the lower end of the first fixing plate 141, and the second fixing plate 142 is movably matched with the first fixing plate 141 to achieve fine adjustment of the position of the clamping assembly 140.

As shown in fig. 5, the first fixing plate 141 includes a first main body 1411 and a first table 1412, the second fixing plate 142 includes a second main body 1421 and a second table 1422, a screw 1424 is disposed on the second table 1422, a threaded hole 1414 for receiving the screw 1424 is disposed on the first table 1412, and the first fixing plate 141 and the second fixing plate 142 are fixed by the screw 1424 and the threaded hole 1414.

The first table portion 1412 is provided with a pin 1413, the second table portion 1422 is provided with a pin hole 1423 for accommodating the pin 1413, the pin 1413 penetrates through the pin hole 1423, and the pin 1413 can make a linear horizontal motion in the Y direction in the pin hole 1423, so that a clamped object 200 in a test tube rack (not shown) can smoothly enter the clamping assembly 140 of the blending mechanism 14, and the test tube 200 on the blending mechanism 14 can be accurately aligned with the test tube position of the relay assembly.

Alternatively, as shown in fig. 6, the outer edge 14110 of the first main body 1411 is connected to the outer edge 14220 of the second main body 1422 in a limited manner, the outer edge 14120 of the first top 1412 is spaced from the outer edge 14210 of the second main body 1421, and the second fixing plate 142 moves linearly and horizontally in the Y direction relative to the first fixing plate 141, so as to ensure that the object 200 to be clamped in the test tube rack smoothly enters the clamping assembly 140 of the mixing mechanism 14, and ensure that the test tube 200 on the mixing mechanism 14 can be accurately aligned with the test tube position of the relay assembly.

As shown in fig. 7, the outer edge 14120 of the first table part 1412 is connected to the outer edge 14210 of the second main body part 1421 in a limited manner, the outer edge 14110 of the first main body part 1411 is spaced from the outer edge 14220 of the second table part 1422, and the second fixing plate 142 moves linearly and horizontally in the Y direction relative to the first fixing plate 141, so as to ensure that the object 200 to be gripped in the test tube rack smoothly enters the gripping assembly 140 of the mixing mechanism 14, and ensure that the test tube 200 on the mixing mechanism 14 can be accurately aligned with the test tube position of the relay assembly.

Specifically, the second fixing plate 142 linearly and horizontally moves in the Y direction with respect to the first fixing plate 141, so that the object 200 can move toward the first and

second clamping members

441 and 442 on the carrying block 143, and the first and

second clamping portions

4412 and 4422 receive the pressure of the object 200, so that the extension spring 145 is pressed and deformed to generate an elastic force. The force of the first clamping part 4412 and the second clamping part 4422 on the object 200 to be clamped is smaller than the force of the object 200 to be clamped acting on the first clamping piece 441 and the second clamping piece 442, so that the first clamping piece 441 and the second clamping piece 442 are opened, the object 200 to be clamped enters the concave profiling space formed by the first clamping piece 441 and the second clamping piece 442 together, at this time, the buffer piece 448 compresses the object 200 to be clamped, at this time, the second fixing plate 142 and the first fixing plate 141 stop moving, and the first clamping piece 441 and the second clamping piece 442 accurately clamp the object 200 to be clamped.

When the object 200 to be clamped is placed on the preset test tube rack, the second fixing plate 142 and the first fixing plate 141 drive the bearing block 143 to move in the direction away from the test tube rack, and under the elastic force of the extension spring 145, the gripping force of the first clamping portion 4412 and the second clamping portion 4422 on the object 200 to be clamped is smaller than the force in the moving direction of the object 200 to be clamped acting on the first clamping member 441 and the second clamping member 442, so that the object 200 to be clamped is released by the first clamping member 441 and the second clamping member 442.

With continued reference to fig. 4, in one embodiment, the blending mechanism 14 further comprises: a first motor 146, a first synchronous pulley 147, a first synchronous belt 148, a first photoelectric switch 149, and an angle sensor 1491.

The first motor 146 is disposed at one side of the first fixing plate 141, the first synchronous pulley 147 is disposed at the other side of the first fixing plate 141 and connected to the first motor 146, the carrier block 143 is disposed at the same side as the first synchronous pulley 147, and the first synchronous belt 148 is wound around the first synchronous pulley 147 and the carrier block 143. The bearing 401 and the bearing housing 402 are disposed at the lower end of the second fixing plate 142, and the fixing shaft 403 penetrates the bearing housing 402 and the bearing 401.

The angle sensor 1491 is used to sense the position of the clamping assembly 140, the first photoelectric switch 149 is electrically connected with the angle sensor 1491 and the first motor 146, and the first photoelectric switch 149 is used to control the operation of the first motor 146 according to the sensing result of the angle sensor 1491.

The first motor 146 is disposed at one side of the first fixing plate 141, the first synchronous pulley 147 is disposed at the other side of the first fixing plate 141 and connected to the first motor 146, the bearing block 143 is disposed on the first fixing plate 141, the bearing block 143 is disposed at the same side as the first synchronous pulley 147, and the first synchronous belt 148 is wound around the first synchronous pulley 147 and the bearing block 143, wherein the tension of the first synchronous belt 148 may be controlled by an adjusting plate (not shown).

The first photoelectric switch 149 is fixedly mounted on the first fixing plate 141 through the support plate 406. The clamping assembly 140 is fixedly mounted on the bearing block 143, the angle sensing piece 1491 is disposed on the first fixing plate 141, the angle sensing piece 1491 is disposed on the same side as the first motor 146, the angle sensing piece 1491 is used for sensing the position of the clamping assembly 140, the first photoelectric switch 149 is electrically connected to the angle sensing piece 1491 and the first motor 146, the first photoelectric switch 149 is used for controlling the operation of the first motor 146 according to the sensing result of the angle sensing piece 1491 so as to control the movement of the bearing block 143, optionally, the first motor 146 is a stepping motor, and the rotating position of the bearing block 143 is controlled by the combination of the first photoelectric switch 149 and the pulse step number of the first motor 146. The rotation angle of the bearing block 143 is 0-135 degrees.

As shown in fig. 1, the test tube protecting plate 404 serves to restrict the object 200 to be held from moving in a direction perpendicular to the plane of rotation of the first and

second clamping portions

4412 and 4422.

Optionally, test tube protection shield 404 is the L type, and its one end is fixed in on carrier block 143, and the other end extends to the top in centre gripping space for with by the butt of centre gripping thing 200, prevent to be taken place to drop by centre gripping thing 200 in rotatory mixing process. During the rotation, the test tube protection plate 404 can prevent the object 200 from sliding out.

The first motor 146 moves at a constant speed at a certain gear speed, the error mainly depends on the trigger sensitivity of the first photoelectric switch 149, the first photoelectric switch 149 belongs to a photoelectric sensor, the precision and the reliability are high, and the trigger precision can reach +/-1 ms, so that the bearing block 143 in the application rotates more accurately.

Under the driving of the first motor 146, the first synchronous belt wheel 147 drives the first synchronous belt 148 and the carrying block 143 to rotate and swing in a reciprocating manner, so as to drive the clamping assembly 140 on the carrying block 143 to grab the clamped object 200 to rotate and swing in a reciprocating manner, thereby achieving the purpose of uniformly mixing the blood sample in the clamped object 200.

As shown in fig. 8 to 12, the present embodiment provides an automatic mixing device 10, which can be used for mixing a trace amount of blood sample, for example, a peripheral blood sample. Specifically, the automatic kneading device 10 includes: the device comprises a bracket 11, a Z-direction lifting mechanism 12, a first X-direction horizontal feeding mechanism 13 and the blending mechanism 14. The Z-direction lifting mechanism 12 is arranged on the bracket 11 and used for driving the blending mechanism 14 to vertically lift in the Z direction. The first X-direction horizontal feeding mechanism 13 is arranged on the bracket 11 and is used for driving the blending mechanism 14 to do linear horizontal motion in the X direction. The mixing mechanism 14 is used for driving the clamping assembly 140 to perform an oscillating motion so as to mix the sample in the clamped object 200.

As described above and shown in fig. 6, the Z-direction lifting mechanism 12 and/or the first X-direction horizontal feeding mechanism 13 are linked with the kneading mechanism 14, and the kneading mechanism 14 can be driven by the Z-direction lifting mechanism 12 or the first X-direction horizontal feeding mechanism 13 to perform vertical lifting movement in the Z-direction or linear horizontal movement in the X-direction, so as to drive the clamping assembly 140 of the kneading mechanism 14 to move to a target position, and the clamping assembly 140 is aligned with the center of the object 200 to be clamped, so as to accurately clamp the object 200 to be clamped. The mixing mechanism 14 is used for driving the object 200 to swing, so as to realize automatic mixing of the sample in the object 200.

Compared with the prior art, the automatic blending device 10 of this application has following beneficial effect:

this application accessible Z does the vertical lift action of Z direction to the drive mixing mechanism 14 of lifting mechanism 12 to drive mixing mechanism 14 through first X and do the straight line horizontal motion of X direction to horizontal feed mechanism 13, and then adjust mixing mechanism 14's position in order to snatch waiting of target location and to insert the thing or will be placed the target location by the centre gripping thing on. In addition, the force for grabbing the clamped object 200 is provided by the elastic force of the elastic member, so that the grabbing or releasing of the clamping assembly 140 is more stable, and the technical problem that the clamped object 200 is damaged when the clamped object 200 is clamped directly by the spring piece or the clamped object 200 is clamped directly by the driving force of the driving mechanism is effectively solved. Meanwhile, the elastic member 145 is detachably disposed between the first body portion 4411 and the second body portion 4421, so that the elastic member 145 is easy to replace, convenient to maintain and low in maintenance cost, and the service life of the whole clamping assembly 140 is prolonged.

In a certain embodiment, the bracket 11 comprises: the vertical frame 111, the first transverse plate 112 and the second transverse plate 113 are sequentially connected end to end, and the second transverse plate 113, the first transverse plate 112 and the vertical frame 111 form an Contraband-shaped connection.

In one embodiment, the first horizontal plate 112 and the second horizontal plate 113 are integrated with the stand 111, and the first horizontal plate 112 and the second horizontal plate 113 are formed by bending the stand 111.

Specifically, one end of the stand 111 extends outward and is bent to form a first horizontal plate 112 perpendicular to the stand 111. One end of the two ends of the first horizontal plate 112 extends outwards and bends to form a second horizontal plate 113 perpendicular to the first horizontal plate 112 and parallel to the stand 111.

In one embodiment, in consideration of insufficient strength of the bracket 11 caused by multiple bending, one end of the first horizontal plate 112 is detachably connected to the stand 111, and the other end of the first horizontal plate 112 is detachably connected to the second horizontal plate 113, wherein the thicknesses of the first horizontal plate 112 and the second horizontal plate 113 are greater than that of the stand 111.

Specifically, the first horizontal plate 112 is fixed to one end of the stand 111 by screws, and the second horizontal plate 113 is fixed to one end of the first horizontal plate 112 away from the stand 111. Further, to ensure the strength of the first and second

horizontal plates

112, 113, the thickness of the first and second

horizontal plates

112, 113 may be 2-4 times the thickness of the stand 111.

In one embodiment, the Z-lift mechanism 12 includes: the first rail 121, the first guide rail 122, the second motor 123, the second timing belt 124, the first slider 125, the shift lever 126, and the shift-receiving block 127.

The second motor 123 is disposed on the stand 111, and a motor shaft of the second motor 123 is mounted with a timing pulley 102, on which a second timing belt 124 is sleeved, wherein the tension of the second timing belt 124 can be controlled by the adjusting plate 101. The first guide rail 122 is disposed on the stand 111, the first rail 121 and the first guide rail 122 are disposed in parallel, and both the first rail 121 and the first guide rail 122 are disposed vertically. The first sliding base 125 is disposed on the first guiding rail 122 and is slidably engaged with the first guiding rail 122, the shift lever 126 is mounted on the sliding base, and the shift block 127 is fixedly mounted on the shift lever 126. The first sliding base 125 may have a hole structure (not shown) for inserting the driving rod 126, so that the driving rod 126 is mounted on the sliding base.

The blending mechanism 14 further comprises: and a second slider 150, wherein the first fixing plate 141 is slidably disposed on the first rail 122 via the second slider 150, and the first fixing plate 141 is fixedly connected to the receiving block 127. The second motor 123 and the second timing belt 124 drive the shift lever 126 to vertically move along the first rail 121 in the Z direction, and the shift lever 126 and the shifted block 127 drive the first fixing plate 141 to vertically move along the first guide rail 122 in the Z direction.

Specifically, the driving lever 126 is fixed to the second timing belt 124, and under the driving of the second motor 123, the second timing belt 124 drives the driving lever 126 to vertically lift along the first rail 121 in the Z direction, and further the driving lever 126 and the driven block 127 drive the first fixing plate 141 to vertically lift along the first guide rail 122 in the Z direction.

In one embodiment, the Z-direction lifting mechanism 12 further includes a second photoelectric switch 128, the second photoelectric switch 128 is electrically connected to the second motor 123 for controlling the operation of the second motor 123 to control the movement of the shift lever 126, and optionally, the second motor 123 is a stepping motor, and the position of the shift lever 126 is controlled by the combination of the pulse step number of the second photoelectric switch 128 and the second motor 123.

Specifically, the second photoelectric switch 128 includes a second microprocessor (not shown) and an optical coupling sensing piece 129, and the second microprocessor is connected to the first motor 123. Wherein, the optical coupling response piece 129 sets up on the removal orbit of the holder 147 of mixing mechanism 14, and the optical coupling response piece 129 is used for detecting the shift position of holder 147, and second microprocessor is used for the record displacement data, fixes a position. The second motor 123 moves at a constant speed with a preset gear speed, and the position of the second motor 123 depends on the sensitivity of the second photoelectric switch 128. The optical coupling induction sheet 129 belongs to a photoelectric sensor, the precision and the reliability of the optical coupling induction sheet are higher, and the triggering precision can reach +/-1 ms, so that the vertical lifting action of the fixing plate 141 in the Z direction is more accurate.

In one embodiment, the first X-direction horizontal feeding mechanism 13 includes: a second guide rail 131, a third motor 132, a slide screw nut unit 133, a second slider 134, a traverse substrate 135, and a first slider 136.

Wherein, the third motor 132 is disposed on the first horizontal plate 112, optionally, the third motor 132 is a screw motor. The second guide rail 131 is arranged on the second cross plate 113, the sliding lead screw nut unit 133 is respectively connected with the third motor 132 and the second slide carriage 134, the traverse baseplate 135 is fixedly arranged on the second slide carriage 134 through the first slide block 136, the traverse baseplate 135 is slidably arranged on the second guide rail 131 through the first slide block 136, wherein the first guide rail 122 is fixedly arranged on the traverse baseplate 135. Among them, the sliding lead screw nut unit 133 is a pushing mechanism well known to those skilled in the art, and thus a detailed structure thereof will not be described here.

The second slide carriage 134 is driven by the third motor 132 and the sliding lead screw nut unit 133 to perform linear horizontal movement in the X direction along the second guide rail 131, the traverse substrate 135 is driven by the second slide carriage 134 to perform linear horizontal movement in the X direction along the second guide rail 131, and the first fixing plate 141 is driven by the traverse substrate 135 and the first guide rail 122 to perform linear horizontal movement in the X direction along the second guide rail 131.

Specifically, under the driving of the third motor 132, the sliding lead screw nut unit 133 drives the second slide carriage 134 to make an X-direction linear horizontal motion along the second guide rail 131, and the second slide carriage 134 drives the traverse substrate 135 to make an X-direction linear horizontal motion along the second guide rail 131, at this time, the first fixing plate 141, which is arranged on the first guide rail 122 of the first guide rail 122 arranged on the traverse substrate 135, also makes an X-direction linear horizontal motion synchronously, and further drives the clamping assembly 140 of the blending mechanism 14 to make an X-direction linear horizontal motion, wherein the clamping assembly 140 grabs or releases the object 200 to be clamped in the process of making the X-direction linear horizontal motion.

In one embodiment, the first X-direction horizontal feeding mechanism 13 includes: a third slider 231, a third guide rail 232, a fourth motor 233, a traverse base 234, a third timing pulley 235, and a third timing belt 236.

The fourth motor 233 is provided on the main frame 111, the third guide rail 232 is provided on the second cross plate 113, and the third timing pulley 235 is provided on the main frame 111. Optionally, the fourth motor 233 is a stepper motor. A motor shaft of the fourth motor 233 is provided with a synchronous pulley, a third synchronous belt 236 is sleeved on the synchronous pulley, and the traverse base 234 is fixed with the third synchronous belt 236, wherein the tension of the third synchronous belt 236 can be controlled by an adjusting plate (not shown).

The third timing belt 236 is wound around a third timing pulley 235 to change the direction of the third timing belt 236, and the traverse base 234 is slidably disposed on a third guide rail 232 via a third slider 231, wherein the first guide rail 122 is fixedly installed on the traverse base 234.

The traverse substrate 234 is driven by the fourth motor 233 and the third timing belt 236 to linearly and horizontally move along the third guide rail 232 in the X direction, and the first fixing plate 141 is driven by the traverse substrate 234 and the first guide rail 122 to linearly and horizontally move along the third guide rail 232 in the X direction.

Specifically, under the driving of the fourth motor 233, the third timing belt 236 drives the traverse substrate 234 to make a linear horizontal motion in the X direction along the third guide rail 232, and at this time, the first fixing plate 141 of the first guide rail 122 disposed on the traverse substrate 234 and disposed on the first guide rail 122 also makes a linear horizontal motion in the X direction, so as to drive the clamping assembly 140 of the blending mechanism 14 to make a linear horizontal motion in the X direction, wherein the clamping assembly 140 grabs or releases the object 200 to be clamped in the process of making the linear horizontal motion in the X direction.

In one embodiment, the automatic blending device 10 further includes: and a second X-direction horizontal feed mechanism 15.

The second X-direction horizontal feed mechanism 15 includes: the guide shaft 151 is disposed on the stand 111, and the guide block 152 is slidably disposed on the guide shaft 151, wherein the first fixing plate 141 is fixedly mounted on the guide block 152, and the guide block 152 drives the first fixing plate 141 to make a linear horizontal motion along the guide shaft 151 in the X direction.

Specifically, the guide shaft 151 is fixedly disposed on the bracket 11, and the guide block 152 is connected to the guide shaft 151, and the motor drives the guide block 152 to reciprocate under the guide of the guide shaft 151. For example, the number of the guide shafts 151 may be 2 to increase the stability of the movement of the guide block 152.

According to a second aspect, another embodiment of the present application provides a sample analyzer, which includes the aforementioned automatic blending device 10, and further includes a sampling device, where the sampling device is configured to sample a sample blended by the automatic blending device 10.

Compared with the prior art, the sample analyzer has the following beneficial effects: the sample analyzer comprises an automatic blending device 10 and a sampling device, wherein the driving blending mechanism 14 of the lifting mechanism 12 can be driven to vertically lift in the Z direction through the Z direction, the blending mechanism 14 can be driven to linearly move horizontally in the X direction through the first X direction, and then the position of the blending mechanism 14 is adjusted to grab a target position to clamp an object or place the clamped object to the target position. In addition, the force for grabbing the clamped object 200 is provided by the elastic force of the elastic member, so that the grabbing or releasing of the clamping assembly 140 is more stable, and the technical problem that the clamped object 200 is damaged when the clamped object 200 is clamped directly by the spring piece or the clamped object 200 is clamped directly by the driving force of the driving mechanism is effectively solved. Meanwhile, the elastic member 145 is detachably disposed between the first body portion 4411 and the second body portion 4421, so that the elastic member 145 is easy to replace, convenient to maintain and low in maintenance cost, and the service life of the whole clamping assembly 140 is prolonged.

While the application has been described in the specification and drawings with reference to specific embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the scope of the application as defined in the claims. Furthermore, the combination and arrangement of features, elements and/or functions between specific embodiments herein is clearly apparent and thus, in light of this disclosure, one skilled in the art will appreciate that features, elements and/or functions of an embodiment may be incorporated into another embodiment as appropriate, unless described otherwise, above.

In addition, many modifications may be made to adapt a particular situation or material to the teachings of the application without departing from the essential scope thereof. Therefore, it is intended that the present application not be limited to the particular embodiments illustrated by the drawings and described in the specification as the best mode presently contemplated for carrying out the present application, but that the present application will include all embodiments falling within the scope of the foregoing description and the appended claims.

Claims

1. The utility model provides an automatic mixing device which characterized in that, the device includes: the device comprises a bracket, a Z-direction lifting mechanism, a first X-direction horizontal feeding mechanism and a blending mechanism;

the Z-direction lifting mechanism is arranged on the bracket and is used for driving the blending mechanism to perform vertical lifting action in the Z direction;

the first X-direction horizontal feeding mechanism is arranged on the bracket and is used for driving the blending mechanism to do linear horizontal motion in the X direction;

wherein, mixing mechanism includes the centre gripping subassembly, the centre gripping subassembly includes:

a bearing block;

the first clamping piece and the second clamping piece are movably connected with the bearing block;

the elastic piece is a telescopic spring, and two opposite ends of the elastic piece are respectively abutted with the first clamping piece and the second clamping piece so that the first clamping piece and the second clamping piece respectively rotate relative to the bearing block to generate clamping force to clamp the clamped object;

the blending mechanism is used for driving the clamping assembly to swing so as to blend the samples in the clamped objects clamped by the clamping assembly.

2. The device of claim 1, wherein the blending mechanism further comprises a first fixing plate and a second fixing plate, and the blending mechanism is connected with the Z-direction lifting mechanism and the first X-direction horizontal feeding mechanism through the first fixing plate;

the bearing block of the clamping assembly is arranged on the second fixing plate;

the second fixing plate is detachably mounted at the lower end of the first fixing plate, and the second fixing plate is movably matched with the first fixing plate, so that the first clamping piece and the second clamping piece of the clamping assembly can grab or release the clamped object.

3. The device of claim 1, wherein the first clamping member comprises a first clamping portion and a first main body portion connected to one end of the first clamping portion, the second clamping member comprises a second clamping portion and a second main body portion connected to one end of the second clamping portion, the first clamping portion is disposed opposite to the second clamping portion, and the first main body portion is disposed opposite to the second main body portion;

the elastic piece is detachably arranged between the first main body part and the second main body part, two ends of the elastic piece are respectively abutted to the first main body part and the second main body part, and the elastic piece is used for generating elastic force for enabling the first main body part and the second main body part to be relatively far away, so that the first clamping piece and the second clamping piece respectively rotate relative to the bearing block and drive the first clamping part and the second clamping part to be close to each other to generate clamping force for clamping an object to be clamped.

4. The apparatus of claim 3, wherein the clamping assembly further comprises at least one shaft disposed on a sidewall of the first body portion facing the second body portion and/or a sidewall of the second body portion facing the first body portion;

at least one end of the extension spring is sleeved on the shaft body so as to enable the elastic force to act on the first main body part and the second main body part.

5. The apparatus of claim 3,

the first main body part and the second main body part are respectively provided with a first counter bore and a second counter bore;

the elastic piece is an extension spring, and two ends of the extension spring are respectively embedded in the first counter bore and the second counter bore so as to apply the elastic force to the first main body part and the second main body part.

6. The apparatus of claim 3,

the clamping assembly further comprises:

the first rotating shaft and the second rotating shaft are fixedly arranged on two sides of the bearing block, wherein a first containing hole used for containing the first rotating shaft is formed in the first main body part, and a second containing hole used for containing the second rotating shaft is formed in the second main body part;

one end of the first rotating shaft is inserted into the first accommodating hole, and the first clamping piece is rotatably connected with the bearing block through the first rotating shaft;

one end of the second rotating shaft is inserted into the second accommodating hole, and the second clamping piece is rotatably connected with the bearing block through the second rotating shaft.

7. The apparatus of claim 3,

the clamping assembly further comprises a cover plate, the cover plate at least covers one side of the first main body part, the second main body part and the elastic part far away from the bearing block, and the cover plate is used for fixedly arranging the first clamping part, the second clamping part and the elastic part on the bearing block.

8. The apparatus of claim 3,

the surfaces of the first clamping part and the second clamping part, which are close to each other, are provided with concave structures for accommodating the clamped object;

the clamping assembly further comprises at least one buffer piece, the at least one buffer piece is arranged on the surface, close to the second clamping portion, of the first clamping portion and/or the surface, close to the first clamping portion, of the second clamping portion, and the buffer piece can abut against the clamped object.

9. The apparatus of claim 3,

the clamping assembly further comprises a stopping piece, wherein the stopping piece is arranged on the bearing block, arranged between the first clamping part and the second clamping part and used for keeping a preset distance between the first clamping part and the second clamping part.

10. A sample analyzer, comprising: the automatic blending device and the sampling device according to any one of claims 1 to 9, wherein the sampling device is used for sampling the sample blended by the automatic blending device.