CN112345775A

CN112345775A - Reaction cup rotating transposition device

Info

Publication number: CN112345775A
Application number: CN202011153827.8A
Authority: CN
Inventors: 蒋文格; 徐炯宽; 隋一鸣; 陈�胜; 张明弟
Original assignee: Suzhou Lihe Biomedical Engineering Co ltd
Current assignee: Suzhou Lihe Biomedical Engineering Co ltd
Priority date: 2020-10-26
Filing date: 2020-10-26
Publication date: 2021-02-09

Abstract

The application relates to a rotatory transposition device of reaction cup includes: the device comprises a base, a lifting assembly and a rotating assembly; the rotating assembly comprises a rotating motor and an eccentric mounting plate; the lifting component comprises: the lifting motor, the lead screw and the lifting rotary connecting plate; the lifting structure is combined with the rotating structure, so that the reaction cup can be replaced to a designated position by the manipulator, the instrument is compact in structure, high in grabbing speed, convenient to grab, few in moving parts and low in cost.

Description

Reaction cup rotating transposition device

Technical Field

The application belongs to the technical field of medical equipment, concretely relates to analysis appearance technical field, especially relates to a reaction cup rotates transposition device to and contain the immunoassay appearance of reaction cup rotation transposition device.

Background

The biochemical analyzer is a routine hospital analyzer, and is mainly used for measuring various biochemical indexes in human body fluid, including routine blood, myocardial zymogram, blood sugar and blood fat, liver function, immune globulin and other routine biochemical indexes. Blood, body fluid, and the like are usually collected and placed in a reaction cuvette, and then further subjected to operations such as liquid preparation, liquid separation, dilution, and detection.

During the operation of the apparatus, the cuvettes are not always in the same position, but need to be transferred to different areas for different operations. In order to grasp and transfer the cuvette elsewhere, a robot arm usually involves a lifting movement and a rotational movement. Currently available medical automated manipulators are capable of grasping and transporting reaction cups to move the reaction cups to different reagent loading positions.

However, when the manipulator clamps the reaction cup to a specified position in the operation process of the existing analyzer, a plurality of manipulators are usually required to be equipped to realize different transfer paths, so that the occupied space is large, and the cost is high; or the motor is adopted for coordinated driving, the sliding rail slides to a specified position in a translation manner, a corresponding control circuit is relatively complex, the instrument structure is complex, the size is large, and the use is not flexible.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention aims to provide a reaction cup rotary transposition device, which can respectively realize the vertical and horizontal movement of a manipulator through a lifting mechanism and a rotating mechanism and can greatly reduce the occupied space of the whole chemiluminescence immunoassay analyzer.

The technical scheme adopted by the invention for solving the technical problems is as follows: the application provides a rotatory device that replaces of reaction cup, its characterized in that includes: the device comprises a base, a lifting assembly and a rotating assembly; the lifting assembly is fixedly arranged on the base and drives the rotating assembly to reciprocate up and down; the rotating assembly comprises a rotating motor, an eccentric mounting plate, the eccentric mounting plate is fixedly connected with a motor shaft of the rotating motor, the rotating motor drives the eccentric mounting plate to rotate around the motor shaft of the rotating motor, a manipulator mounting seat is eccentrically arranged on one side of the eccentric mounting plate, the manipulator mounting seat is driven to move when the eccentric mounting plate rotates, and then the manipulator is driven to move, when the eccentric mounting plate rotates 180 degrees, the manipulator can move to the opposite side from one side, and the manipulator can grab the reaction cup to move transversely at a specific distance.

Further, the lifting assembly comprises: the lifting motor, the lead screw and the lifting rotary connecting plate; the lifting motor is fixedly connected to the base, one end of the screw rod is fixedly connected to a motor shaft of the lifting motor, the other end of the screw rod is rotatably connected to a screw rod support arranged on the base, internal threads matched with the screw rod are arranged on the lifting rotary connecting plate, and the screw rod is driven by the lifting motor to rotate so as to drive the lifting rotary connecting plate to reciprocate up and down; the rotating motor is fixedly arranged on the lifting rotating connecting plate.

Further, the reaction cup rotating and transposition device further comprises: a guide rail and a slider; the base is fixedly arranged on the base, the guide rail is fixedly arranged on the lifting and rotating connecting plate, the lifting and rotating connecting plate is driven by the lead screw to reciprocate up and down, and the guide rail synchronously reciprocates up and down on the slide block.

Furthermore, the reaction cup rotating transposition device further comprises a limiting device, and the limiting device is fixedly installed on the base and used for limiting the position of the rotating assembly in up-and-down reciprocating motion.

Further, the rotating assembly further comprises a position detection device, and the position detection device is used for detecting the rotating position of the eccentric mounting plate.

Further, the lead screw is rotatably connected with the lead screw support through a bearing.

Furthermore, the manipulator mounting seat is provided with a plurality of mounting holes at different intervals along the radial direction of the rotating shaft of the eccentric mounting plate, and the mounting holes are used for adjusting the mounting position of the manipulator and realizing the adjustment of the transverse moving distance of the manipulator; further preferably, the mounting hole is an oblong hole and is used for fine adjustment of the mounting position of the manipulator.

The second aspect of the present application also provides a chemiluminescent immunoassay analyzer comprising the reaction cup rotary transposition device described in the present application.

The beneficial effect of this application is: the lifting structure is combined with the rotating structure, so that the reaction cup can be replaced to a designated position by the manipulator, the instrument is compact in structure, high in grabbing speed, convenient to grab, few in moving parts and low in cost.

Drawings

The technical solution of the present application is further explained below with reference to the drawings and the embodiments.

FIG. 1 is a schematic perspective view of a rotary index device for cuvettes according to the present application;

FIG. 2 is a front view of the rotary index device for cuvettes of the present application;

FIG. 3 is a side view of the rotary indexing device of the reaction cup of the present application;

FIG. 4 is a schematic view of an eccentric mounting plate;

FIG. 5 is a perspective view of an eccentric mounting plate

FIG. 6 is a schematic view of the reaction cup rotary indexing device of the present application in cooperation with a reaction plate assembly;

the reference numbers in the figures are:

1: base seat

101: lead screw support

2: rotating electrical machine

3: eccentric mounting plate

301: manipulator mount pad

302: manipulator mounting hole

4: mechanical arm

5: lifting motor

6: lifting rotary connecting plate

7: screw rod

8: bearing assembly

9: guide rail

10: sliding block

11: limiting block

1201: lifting photoelectric switch

1202: lifting photoelectric separation blade

1301: rotary photoelectric switch

1302: rotary photoelectric barrier

14: reaction cup with reaction disc assembly outer ring

15: reaction cup with inner ring of reaction disc assembly

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.

In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be considered limiting of the scope of the present application. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the invention of the present application, the meaning of "a plurality" is two or more unless otherwise specified.

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 by those of ordinary skill in the art through specific situations.

Examples

The present embodiment provides a reaction tray and reagent tray combined apparatus, as shown in fig. 1, 2 and 3, comprising: the method comprises the following steps: the device comprises a base 1, a rotating motor 2, an eccentric mounting plate 3, a lifting motor 4, a screw 7 and a lifting rotating connecting plate 6; the lifting motor 4 is fixedly arranged on the base 1, one end of the screw 7 is fixedly connected to a motor shaft of the lifting motor 4, the other end of the screw is rotatably connected to a screw support 101 arranged on the base 1 through a bearing 8, an internal thread matched with the screw 7 is arranged on the lifting rotary connecting plate 6, and the screw 7 is driven by the lifting motor 4 to rotate and further drive the lifting rotary connecting plate 6 to reciprocate up and down; 2 fixed mounting of rotating electrical machines are on lifting and drop rotating connection board 6, eccentric mounting panel 3 and rotating electrical machines 2's motor shaft fixed connection, rotating electrical machines 2 drive eccentric mounting panel 3 around rotating electrical machines 2's motor shaft rotary motion, 3 one side eccentric settings manipulator mount pad 301 of eccentric mounting panel, when eccentric mounting panel 3 is rotatory, drive manipulator mount pad 301 and remove, and then drive manipulator 4 and remove, when 3 rotatory 180 degrees of eccentric mounting panel, manipulator 4 can be followed one side and removed to the offside, realize that manipulator 4 snatchs the reaction cup and carries out the lateral shifting of specific distance.

This embodiment still includes: a guide rail 9 and a slider 10; wherein, slider 10 fixed mounting is on base 1, and guide rail 9 fixed mounting is on lifting and drop rotating connecting plate 6, and lifting and drop rotating connecting plate 6 up-and-down reciprocating motion under lead screw 7 drives, and guide rail 9 is reciprocating motion about the slider 10 is synchronous, increases guide rail 9 and slider 10 and makes the rotating assembly reciprocating motion from top to bottom more steady reliable.

The embodiment further comprises a limiting block 11 for limiting the up-and-down reciprocating motion position of the rotating assembly, the limiting block 11 is fixedly installed on the base 1, the lifting photoelectric switch 1201 for detecting the up-and-down reciprocating motion position and the lifting photoelectric blocking piece 1202 are further included, the lifting photoelectric switch 1201 is fixedly installed on the base 1, and the lifting photoelectric blocking piece 1202 is fixedly connected to the lifting rotating connecting plate 6.

The embodiment further comprises a rotary photoelectric switch 1301 and a rotary photoelectric barrier 1302, wherein the rotary photoelectric switch 1301 is used for detecting the position of the eccentric mounting plate, the rotary photoelectric switch 1301 is fixedly mounted on the lifting rotary connecting plate 6, and the rotary photoelectric barrier 1302 is fixedly connected to the eccentric mounting plate 3.

The manipulator mounting base 301 is provided with a plurality of mounting holes 302 at different intervals along the radial direction of the rotating shaft of the eccentric mounting plate 3, and is used for adjusting the mounting position of the manipulator and realizing the adjustment of the transverse moving distance of the manipulator; the mounting hole is a long round hole and is used for fine adjustment of the mounting position of the manipulator.

As shown in fig. 6, the reaction disk assembly is annularly provided with two circles of reaction cups inside and outside, the reaction cup rotating and transposition device is positioned outside the reaction disk assembly, when the reaction cups need to be replaced from the outer circle to the inner circle: firstly, detecting whether a manipulator is positioned on the upper part of an outer ring reaction cup, firstly, adjusting the manipulator to the upper part of the outer ring reaction cup, driving a rotating assembly to move downwards by a lifting motor 4 to grab the reaction cup on the outer ring of a reaction disc, then driving the rotating assembly to move upwards by the lifting motor 4, driving an eccentric mounting plate 3 to rotate 180 degrees by a rotating motor 22, moving the reaction cup grabbed by the synchronous manipulator 4 to the upper part position corresponding to an inner ring from the upper part position corresponding to the outer ring, driving the rotating assembly to move downwards by the lifting motor 4, and placing the reaction cup on the inner ring of the reaction disc by the manipulator 4; the operation steps of changing the reaction cup from the inner ring to the outer ring are similar to the previous steps;

and, under the cooperation that rotatory motion was done to the reaction dish subassembly drive reaction cup, the position reciprocal displacement and the change of arbitrary position reaction cup on the reaction dish can be realized to the reaction cup of this application.

In light of the foregoing description of the preferred embodiments according to the present application, it is to be understood that various changes and modifications may be made without departing from the spirit and scope of the invention. The technical scope of the present application is not limited to the contents of the specification, and must be determined according to the scope of the claims.

Claims

1. A reaction cup rotary transposition device is characterized by comprising: the device comprises a base, a lifting assembly and a rotating assembly;

the lifting assembly is fixedly arranged on the base and drives the rotating assembly to reciprocate up and down;

the rotating assembly comprises a rotating motor and an eccentric mounting plate, the eccentric mounting plate is fixedly connected with a motor shaft of the rotating motor, the rotating motor drives the eccentric mounting plate to rotate around the motor shaft of the rotating motor, a manipulator mounting seat is eccentrically arranged on one side of the eccentric mounting plate, and the manipulator mounting seat is driven to move when the eccentric mounting plate rotates, so that the manipulator is driven to move.

2. The reaction cup rotary index apparatus of claim 1, wherein the elevation assembly comprises: the lifting motor, the lead screw and the lifting rotary connecting plate;

the lifting motor is fixedly connected to the base, one end of the screw rod is fixedly connected to a motor shaft of the lifting motor, the other end of the screw rod is rotatably connected to a screw rod support arranged on the base, internal threads matched with the screw rod are arranged on the lifting rotary connecting plate, and the screw rod is driven by the lifting motor to rotate so as to drive the lifting rotary connecting plate to reciprocate up and down;

the rotating motor is fixedly arranged on the lifting rotating connecting plate.

3. The rotating and indexing device for cuvettes according to any one of claims 1 to 2, further comprising: a guide rail and a slider;

the base is fixedly arranged on the base, the guide rail is fixedly arranged on the lifting and rotating connecting plate, the lifting and rotating connecting plate is driven by the lead screw to reciprocate up and down, and the guide rail synchronously reciprocates up and down on the slide block.

4. The reaction cup rotary transposition device according to any one of claims 1 to 2, further comprising a limiting device fixedly mounted on the base for limiting the position of the up-and-down reciprocating motion of the rotating assembly.

5. The reaction cup rotary index device as claimed in any one of claims 1 to 2, wherein the rotary assembly further comprises a position detection device for detecting the rotary position of the eccentric mounting plate.

6. The reaction cup rotary index apparatus of claim 2, wherein the lead screw is rotatably connected to the lead screw support via a bearing.

7. The reaction cup rotary transposition device according to any one of claims 1 to 2, wherein the manipulator mounting base is provided with a plurality of mounting holes at different intervals along the radial direction of the rotating shaft of the eccentric mounting plate, and the mounting holes are used for adjusting the mounting position of the manipulator and realizing the adjustment of the transverse moving distance of the manipulator.

8. The reaction cup rotary index device of claim 7, wherein the mounting hole is an oblong hole for fine adjustment of the mounting position of the robot.

9. A chemiluminescent immunoassay analyzer comprising the cuvette rotary index apparatus according to any one of claims 1 to 8.

10. A chemiluminescence immunoassay analyzer is characterized by comprising the reaction cup rotary transposition device of any claim 1 to 8 and a reaction disc assembly which is annularly provided with an inner circle of reaction cups and an outer circle of reaction cups, wherein the reaction cup rotary transposition device is positioned outside the reaction disc assembly; and the lifting assembly in the reaction cup rotating transposition device drives the rotating assembly to reciprocate up and down to grab the reaction cups on the reaction disc, and the rotating assembly controls the manipulator to move so as to move the grabbed reaction cups at the inner ring and the outer ring.