Pipetting assembly of full-automatic fluorescence immunoassay analyzer

Abstract

The invention relates to a pipetting assembly of a full-automatic fluorescence immunoassay analyzer, and belongs to the technical field of full-automatic fluorescence immunoassay analyzers, the pipetting assembly comprises an X-axis movement assembly, a Y-axis movement assembly, a pipettor and a Z-axis movement assembly, the Y-axis movement assembly is arranged on the X-axis movement assembly and can move along the X-axis movement assembly, and the Z-axis movement assembly is arranged on the Y-axis movement assembly and can move along the Z-axis movement assembly. The Z-axis movement assembly is arranged on the Y-axis movement assembly and can move along the Y-axis movement assembly, and the pipettor is arranged on the Z-axis movement assembly and can move along the Z-axis movement assembly. According to the invention, double linear guide rails are adopted as a main body of the transmission assembly, and the tightness of a synchronous belt can be fixed and adjusted through a bolt, so that long-acting stable operation is ensured, and the stability is improved; the connecting mode of a drag chain is omitted, flat cable connection is adopted, the light-weight structure and the simple layout are adopted, the whole body is more optimized and reasonable, parts are easy to machine and manufacture, assemblies are easy to assemble, and cost is saved.

Description

Technical Field

[0001] The invention relates to the technical field of full-automatic fluorescent immunoassay analyzers, in particular to a liquid transfer component of a full-automatic fluorescent immunoassay analyzer. Background Art

[0002] Fluorescence immunoassay technology combines the high sensitivity of fluorescence technology with the high specificity of immunological technology, providing a unique detection technology for immunology, clinical histochemistry and laboratory diagnosis that cannot be replaced by other methods.

[0003] The fully automatic fluorescent immunoassay analyzer is an analytical instrument that uses fluorescent immunoassay technology. The fully automatic fluorescent immunoassay analyzer is widely used in the detection of serum antibodies (including autoantibodies), the diagnosis and research of autoimmune diseases, the diagnosis and research of tumor immunity, and other fields.

[0004] In order to realize automated operation, the fully automatic fluorescent immunoassay analyzers currently on the market generally use robotic arms for three-dimensional pipetting operations. Due to the complex structure of the robotic arms and high manufacturing costs, the total price of the fully automatic fluorescent immunoassay analyzer is relatively high. In addition, there are defects such as poor stability of the pipetting process. Summary of the invention

[0005] The purpose of the present invention is to overcome the shortcomings raised in the above background and provide a pipetting component of a fully automatic fluorescent immunoassay analyzer, which adopts double linear guide rails as the main body of the transmission component to ensure long-term stable operation and improve stability; it is connected by flat cables and adopts a lightweight structure and a simple layout to make the overall optimization more reasonable and save costs.

[0006] The objective of the present invention is achieved through the following technical measures: a pipetting assembly of a fully automatic fluorescent immunoassay analyzer, comprising an X-axis motion assembly, a Y-axis motion assembly, a pipette and a Z-axis motion assembly, wherein the Y-axis motion assembly is arranged on the X-axis motion assembly and can move along the X-axis motion assembly, the Z-axis motion assembly is arranged on the Y-axis motion assembly and can move along the Y-axis motion assembly, the pipette is arranged on the Z-axis motion assembly and can move along the Z-axis motion assembly, the X-axis motion assembly comprises an X-axis base plate, a groove is arranged at the front end of the X-axis base plate, an X-axis idler adjustment plate is slidably connected in the groove, a first bolt is arranged between the X-axis idler adjustment plate and the end of the X-axis base plate, and a second bolt is arranged between the X-axis idler adjustment plate and the bottom of the groove.

[0007] As a further improvement of the above technical solution: The X-axis idler adjustment plate is provided with an X-axis driven wheel, the rear end of the X-axis bottom plate is provided with an X-axis driving wheel, the lower part of the X-axis driving wheel is transmission-connected with an X-axis motor, and an X-axis synchronous belt is transmission-connected between the X-axis driving wheel and the X-axis driven wheel.

[0008] X-axis linear guides are respectively provided on both sides of the X-axis synchronous belt, and the X-axis linear guides are arranged side by side. An X-axis nut seat is slidably connected to the X-axis linear guide, and first support columns are respectively provided on both sides below the X-axis nut seat. The X-axis synchronous belt is arranged between the two first support columns and close to the first support columns on both sides. A first slider is fixedly connected below the first support column, and the first slider is slidably connected to the X-axis linear guide.

[0009] An X-axis synchronous belt pressing plate is arranged on the inner side of the X-axis synchronous belt on one side, and the X-axis synchronous belt pressing plate fixes the X-axis synchronous belt on the first supporting column on the same side.

[0010] An XY connecting bracket is fixedly connected to the X-axis nut seat, an X-axis signal sheet is arranged on the rear side of the XY connecting bracket, an X-axis motor bracket is arranged above the X-axis driving wheel, an X-axis optical coupler is arranged behind the X-axis motor bracket, and the X-axis optical coupler corresponds to the X-axis signal sheet.

[0011] The Y-axis motion assembly is fixed on the XY connecting bracket, and the Y-axis motion assembly includes a Y-axis base plate, a Y-axis tail bracket is provided at one end of the Y-axis base plate, a Y-axis idler adjustment plate is provided on the Y-axis base plate close to the Y-axis tail bracket, a third bolt is provided between the Y-axis idler adjustment plate and the Y-axis tail bracket, a Y-axis driven wheel is provided on the Y-axis idler adjustment plate, a Y-axis motor bracket is provided at the other end of the Y-axis base plate, a Y-axis driving wheel is provided below the Y-axis motor bracket, the Y-axis driving wheel is transmission-connected to the Y-axis motor, and a Y-axis synchronous belt is transmission-connected between the Y-axis driving wheel and the Y-axis driven wheel.

[0012] Y-axis linear guides are respectively provided on both sides of the Y-axis synchronous belt, and the Y-axis linear guides are arranged side by side. A Y-axis nut seat is slidably connected to the Y-axis linear guide, and second support columns are respectively provided on both sides below the Y-axis nut seat. The Y-axis synchronous belt is arranged between the two second support columns and close to the second support columns on both sides. A Y-axis synchronous belt pressure plate is provided on the inner side of the Y-axis synchronous belt on one side, and the Y-axis synchronous belt pressure plate fixes the Y-axis synchronous belt to the second support column on the same side. A second slider is fixedly connected below the second support column, and the second slider is slidably connected to the Y-axis linear guide, and a YZ connecting bracket is fixedly connected to the Y-axis nut seat.

[0013] Y-axis side plates are respectively provided on both sides of the Y-axis base plate, the Y-axis side plates are fixed on the XY connecting bracket, the Y-axis motor faces the rear end of the X-axis base plate, a protective cover is provided on the outer periphery of the Y-axis motor, a Y-axis optical coupler is provided on the protective cover, the Y-axis optical coupler faces the YZ connecting bracket, a Y-axis signal sheet is provided on the YZ connecting bracket, and the Y-axis signal sheet corresponds to the Y-axis optical coupler.

[0014] The Z-axis motion assembly is fixedly connected to the YZ connecting bracket. The Z-axis motion assembly includes a shell. A Z-axis motor is provided on the top of the shell. The Z-axis motor is transmission-connected to a Z-axis driving wheel. A lead screw is provided at the inner center of the shell. A Z-axis driven wheel is provided at the upper end of the lead screw. A Z-axis synchronous belt is transmission-connected between the Z-axis driven wheel and the Z-axis driving wheel.

[0015] The screw rod is threadedly connected to a screw rod nut, and a connecting bracket is provided on the screw rod nut. Two Z-axis linear guides are respectively provided on the outer side of the shell, and the two Z-axis linear guides are vertically arranged in parallel. The two Z-axis linear guides are slidably connected to the pipette, and the pipette is fixedly connected to the connecting bracket. A Z-axis optical coupler is provided on one side of the interior of the shell, and a Z-axis signal sheet is provided on the left end of the connecting bracket, and the Z-axis signal sheet corresponds to the Z-axis optical coupler.

[0016] Due to the adoption of the above technical scheme, compared with the prior art, the advantages of the present invention are: the present invention adopts double linear guide rails as the main body of the transmission component, and can fix and adjust the tightness of the synchronous belt by bolts to ensure long-term stable operation and improve stability; the connection method of the drag chain is eliminated, and the cable connection is used, and a lightweight structure and a simple layout are adopted to make the overall optimization and rationality, the parts are easy to process and manufacture, the components are easy to assemble, and the cost is saved.

[0017] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the structure of the present invention; Figure 2 It is a schematic diagram of the exploded structure of the X-axis motion assembly part of the present invention; Figure 3 It is a schematic diagram of the exploded structure of the Y-axis motion component of the present invention; Figure 4 It is a schematic diagram of the exploded structure of a partial structure of the Z-axis motion component of the present invention.

[0019] In the figure, 10-X axis motion assembly; 20-Y axis motion assembly; 30-pipette; 40-Z axis motion assembly; 101-X axis upper cover; 102-cable arrangement; 103-X axis bracket; 1051-groove; 1052-X axis driven wheel; 1053-X axis synchronous belt; 1054-X axis idler adjustment plate; 1055-X axis linear guide; 1056-X axis driving wheel; 1057-first bolt; 1058-first Two bolts, 106-X axis side plate; 107-X axis bottom plate; 108-X axis motor; 109-X axis nut seat; 110-X axis optical coupler; 111-X axis motor bracket; 112-XY connecting bracket; 113-X axis signal sheet; 114-X axis synchronous belt pressure plate; 116-first slider, 117-first support column; 201-shield; 202-Y axis optical coupler; 203-Y axis side plate; 205-Y axis upper cover; 206-Y-axis signal sheet; 208-YZ connecting bracket; 209-Y-axis tail bracket; 210-Y-axis bottom plate; 211-Y-axis motor bracket; 2121-Y-axis idler adjustment plate; 2122-Y-axis synchronous belt; 2123-Y-axis driven wheel; 2124-third bolt; 2125-Y-axis linear guide; 2126-Y-axis driving wheel; 213-Y-axis nut seat; 214-Y-axis motor; 215-Y-axis synchronous With pressure plate; 216-second support column; 217-second slider; 401-Z-axis motor; 402-housing; 403-third slider; 4031-Z-axis driven wheel; 4032-screw; 4033-connecting bracket; 4034-screw nut; 4035-Z-axis linear guide; 4036-Z-axis synchronous belt; 4037-Z-axis driving wheel; 4038-bearing; 404-Z-axis optical coupler; 405-Z-axis signal sheet. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0021] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and 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 therefore should not be understood as a limitation on the present invention.

[0022] In the present invention, unless otherwise clearly stipulated and limited, the terms such as "installation", "setting", "connection", "fixation" and "screw-on" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the present invention according to the specific circumstances.

[0023] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined. Example

[0024] like Figure 1-4 As shown, a pipetting assembly of a fully automatic fluorescent immunoassay analyzer includes an X-axis motion assembly 10, a Y-axis motion assembly 20, a pipette 30 and a Z-axis motion assembly 40. The Y-axis motion assembly 20 is arranged on the X-axis motion assembly 10 and can move along the X-axis motion assembly 10, the Z-axis motion assembly 40 is arranged on the Y-axis motion assembly 20 and can move along the Y-axis motion assembly 20, and the pipette 30 is arranged on the Z-axis motion assembly 40 and can move along the Z-axis motion assembly 40.

[0025] The X-axis motion assembly 10 includes an X-axis base plate 107, a groove 1051 is provided at the front end of the X-axis base plate 107, an X-axis idler adjustment plate 1054 is slidably connected in the groove 1051, a first bolt 1057 is provided between the X-axis idler adjustment plate 1054 and the end of the X-axis base plate 107, a second bolt 1058 is provided between the X-axis idler adjustment plate 1054 and the bottom of the groove, an X-axis driven wheel 1052 is provided on the X-axis idler adjustment plate 1054, an X-axis driving wheel 1056 is provided at the rear end of the X-axis base plate 107, an X-axis motor 108 is transmission-connected to the lower portion of the X-axis driving wheel 1056, an X-axis synchronous belt 1053 is transmission-connected between the X-axis driving wheel 1056 and the X-axis driven wheel 1052, the position of the X-axis idler adjustment plate 1054 is adjusted by the first bolt 1057 and the second bolt 1058, thereby adjusting the tightness of the X-axis synchronous belt 1053 to make it more secure and not easy to loosen.

[0026] X-axis linear guides 1055 are provided on both sides of the X-axis synchronous belt 1053, and the X-axis linear guides 1055 are arranged side by side to increase the lateral static moment and improve stability; an X-axis nut seat 109 is slidably connected to the X-axis linear guide 1055, and first support columns 117 are provided on both sides below the X-axis nut seat 109, respectively. The X-axis synchronous belt 1053 is arranged between the two first support columns 117 and close to the first support columns 117 on both sides, and an X-axis is provided on the inner side of the X-axis synchronous belt 1053 on one side. The synchronous belt pressure plate 114, the X-axis synchronous belt pressure plate 114 fixes the X-axis synchronous belt 1053 on the first support column 117 on the same side, and the first slider 116 is fixedly connected to the bottom of the first support column 117, and the first slider 116 is slidably connected to the X-axis linear guide 1055, so that the movement of the X-axis synchronous belt 1053 drives the X-axis nut seat 109 to move, and the X-axis nut seat 109 is fixedly connected with an XY connecting bracket 112, and the rear side of the XY connecting bracket 112 is provided with an X-axis signal sheet 113.

[0027] An X-axis motor bracket 111 is provided above the X-axis driving wheel 1056 , and the X-axis motor bracket 111 is fixed on the X-axis base plate 107 . An X-axis optical coupler 110 is provided behind the X-axis motor bracket 111 , and the X-axis optical coupler 110 corresponds to the X-axis signal sheet 113 .

[0028] An X-axis bracket 103 is provided above the X-axis driven wheel 1052, and X-axis side plates 106 are provided on both sides of the X-axis bracket 103, respectively. The X-axis side plates 106 are fixed on the X-axis bottom plate 107, and an X-axis upper cover 101 is provided above the X-axis bracket 103. A cable 102 is provided on the X-axis upper cover 101, and the cable 102 is electrically connected to the X-axis motor 108, the X-axis optical coupler 110, and the X-axis signal sheet 113 respectively. The X-axis motor 108 drives the X-axis nut seat 109 to perform linear reciprocating motion along the X-axis linear guide 1055 through the X-axis synchronous belt 1053. The motion position control in the X-axis direction is realized through the circuit connection of the X-axis signal sheet 113, the X-axis optical coupler 110 and the cable 102 and the coordination of the program, and the effective stroke is not less than 270 mm.

[0029] The Y-axis motion assembly 20 is fixed on the XY connection bracket 112. The Y-axis motion assembly 20 includes a Y-axis base plate 210. A Y-axis tail bracket 209 is provided at one end of the Y-axis base plate 210. A Y-axis idler adjustment plate 2121 is provided on the Y-axis base plate 210 near the Y-axis tail bracket 209. A third bolt 2124 is provided between the Y-axis idler adjustment plate 2121 and the Y-axis tail bracket 209, a Y-axis driven wheel 2123 is provided on the Y-axis idler adjustment plate 2121, a Y-axis motor bracket 211 is provided at the other end of the Y-axis base plate 210, a Y-axis driving wheel 2126 is provided on the Y-axis base plate 210 below the Y-axis motor bracket 211, the Y-axis driving wheel 2126 is transmission-connected to the Y-axis motor 214, the Y-axis motor 214 is arranged on the Y-axis motor bracket 211, a Y-axis synchronous belt 2122 is transmission-connected between the Y-axis driving wheel 2126 and the Y-axis driven wheel 2123, the position of the Y-axis idler adjustment plate 2121 is adjusted by the third bolt 2124, thereby adjusting the tightness of the Y-axis synchronous belt 2122 to make it more secure and not easy to loosen.

[0030] Y-axis linear guides 2125 are provided on both sides of the Y-axis synchronous belt 2122, and the Y-axis linear guides 2125 are arranged side by side to increase the lateral static moment and improve stability; a Y-axis nut seat 213 is slidably connected to the Y-axis linear guide 2125, and second support columns 216 are provided on both sides below the Y-axis nut seat 213, respectively. The Y-axis synchronous belt 2122 is arranged between the two second support columns 216 and close to the second support columns 216 on both sides, and a Y-axis synchronous belt 2122 on one side is provided with a Y-axis synchronous belt 2122. The step belt pressure plate 215, the Y-axis synchronous belt pressure plate 215 fixes the Y-axis synchronous belt 2122 on the second support column 216 on the same side, and a second slider 217 is fixedly connected to the bottom of the second support column 216. The second slider 217 is slidably connected to the Y-axis linear guide 2125, so that the movement of the Y-axis synchronous belt 2122 drives the movement of the Y-axis nut seat 213, and the Y-axis nut seat 213 is fixedly connected with a YZ connecting bracket 208, and the Z-axis motion assembly 40 is fixedly connected to the YZ connecting bracket 208.

[0031] Y-axis side plates 203 are respectively provided on both sides of the Y-axis base plate 210, and a Y-axis upper cover 205 is provided above the Y-axis base plate 210. The Y-axis side plates 203 are fixed on the XY connecting bracket 112. The Y-axis motor 214 faces the rear end of the X-axis base plate 107. A shield 201 is provided on the outer periphery of the Y-axis motor 214. A Y-axis optical coupler 202 is provided on the shield 201. The Y-axis optical coupler 202 faces the YZ connecting bracket 208. A Y-axis signal sheet 206 is provided on the YZ connecting bracket 208. The Y-axis signal sheet 206 corresponds to the Y-axis optical coupler 202. The flat cable 102 passes through the Y-axis side plate 203, and the flat cable 102 is electrically connected to the Y-axis motor 214, the Y-axis optical coupler 202, and the Y-axis signal sheet 206 respectively.

[0032] The Y-axis motor 214 drives the Y-axis nut seat 213 to perform linear reciprocating motion along the Y-axis linear guide 2125 through the Y-axis synchronous belt 2122. The motion position control in the Y-axis direction is realized through the circuit connection of the Y-axis signal sheet 206, the Y-axis optical coupler 202 and the flat cable 102 and the coordination of the program. The effective stroke is not less than 350mm.

[0033] The Z-axis motion assembly 40 includes a shell 402, which is fixed on one side of the YZ connecting bracket 208. A Z-axis motor 401 is provided on the top of the shell 402, and the Z-axis motor 401 is connected to a Z-axis driving wheel 4037 in transmission. A screw rod 4032 is provided at the inner center of the shell 402, and bearings 4038 are provided at both ends of the screw rod 4032. A Z-axis driven wheel 4031 is provided at the upper end of the screw rod 4032. The Z-axis driven wheel 4031 and the Z-axis driving wheel 4037 are on the same plane, and a Z-axis synchronous belt 4036 is connected to the Z-axis driven wheel 4031 and the Z-axis driving wheel 4037 in transmission. The screw rod 4032 is threadedly connected to a screw nut 4034, and a connecting bracket 4033 is provided on the screw nut 4034. Two Z-axis linear guides 4035 are provided on the outer side of the shell 402. The two Z-axis linear guides 4035 are provided on the outer side of the shell 402. Arranged vertically in parallel, two Z-axis linear guides 4035 are slidably connected to the pipette 30, and the pipette 30 is fixedly connected. The Z-axis linear guide 4035 is slidably connected to a third slider 403, and the third slider 403 is fixedly connected to the pipette 30. The two Z-axis linear guides 4035 can disperse the force and improve stability. A Z-axis optical coupler 404 is provided on one side of the interior of the shell 402, and a Z-axis signal sheet 405 is provided on the left end of the connecting bracket 4033, and the Z-axis signal sheet 405 corresponds to the Z-axis optical coupler 404.

[0034] The Z-axis motor 401 drives the Z-axis driving wheel 4037, transmits power to the Z-axis driven wheel 4031 through the Z-axis synchronous belt 4036, and then transmits power to the lead screw 4032 and the lead screw nut 4034, and drives the connecting bracket 4033 to move up and down through the lead screw nut 4034, and then drives the pipette 30 to reciprocate along the Z-axis direction through the Z-axis linear guide 4035 and the third slider 403. The connecting bracket 4033 moves up and down to drive the Z-axis signal piece 405 to move, and the zero position is identified when the Z-axis optical coupler 404 is blocked. At the same time, the internal circuit connection and the program are used to realize the motion position control in the Z-axis direction, and the effective stroke is not less than 180mm.

[0035] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A liquid transfer assembly for a fully automatic fluorescent immunoassay analyzer, characterized in that: The invention comprises an X-axis motion assembly (10), a Y-axis motion assembly (20), a pipette (30) and a Z-axis motion assembly (40); the Y-axis motion assembly (20) is arranged on the X-axis motion assembly (10) and can move along the X-axis motion assembly (10); the Z-axis motion assembly (40) is arranged on the Y-axis motion assembly (20) and can move along the Y-axis motion assembly (20); the pipette (30) is arranged on the Z-axis motion assembly (40) and can move along the Z-axis motion assembly (40); the X-axis motion assembly (10) comprises an X-axis base plate (107); a groove (1051) is arranged at the front end of the X-axis base plate (107); an X-axis idler adjustment plate (1054) is slidably connected in the groove (1051); a first bolt (1057) is arranged between the X-axis idler adjustment plate (1054) and the end of the X-axis base plate (107); and a second bolt (1058) is arranged between the X-axis idler adjustment plate (1054) and the bottom of the groove.

2. The liquid transfer assembly of a fully automatic fluorescent immunoassay analyzer according to claim 1, characterized in that: An X-axis driven wheel (1052) is provided on the X-axis idler adjustment plate (1054), an X-axis driving wheel (1056) is provided at the rear end of the X-axis bottom plate (107), an X-axis motor (108) is transmission-connected below the X-axis driving wheel (1056), and an X-axis synchronous belt (1053) is transmission-connected between the X-axis driving wheel (1056) and the X-axis driven wheel (1052).

3. The liquid transfer assembly of a fully automatic fluorescent immunoassay analyzer according to claim 2, characterized in that: X-axis linear guides (1055) are respectively provided on both sides of the X-axis synchronous belt (1053), the X-axis linear guides (1055) are arranged side by side, an X-axis nut seat (109) is slidably connected to the X-axis linear guide (1055), first support columns (117) are respectively provided on both sides below the X-axis nut seat (109), the X-axis synchronous belt (1053) is arranged between the two first support columns (117) and close to the first support columns (117) on both sides, a first slider (116) is fixedly connected below the first support column (117), and the first slider (116) is slidably connected to the X-axis linear guide (1055).

4. The liquid transfer assembly of a fully automatic fluorescent immunoassay analyzer according to claim 3, characterized in that: An X-axis synchronous belt pressing plate (114) is provided on the inner side of the X-axis synchronous belt (1053) on one side, and the X-axis synchronous belt pressing plate (114) fixes the X-axis synchronous belt (1053) on the first supporting column (117) on the same side.

5. The liquid transfer assembly of a fully automatic fluorescent immunoassay analyzer according to claim 4, characterized in that: An XY connection bracket (112) is fixedly connected to the X-axis nut seat (109); an X-axis signal sheet (113) is provided at the rear side of the XY connection bracket (112); an X-axis motor bracket (111) is provided above the X-axis driving wheel (1056); an X-axis optical coupler (110) is provided at the rear of the X-axis motor bracket (111); and the X-axis optical coupler (110) corresponds to the X-axis signal sheet (113).

6. The liquid transfer assembly of a fully automatic fluorescent immunoassay analyzer according to claim 5, characterized in that: The Y-axis motion assembly (20) is fixed on the XY connection bracket (112), and the Y-axis motion assembly (20) comprises a Y-axis base plate (210), one end of the Y-axis base plate (210) is provided with a Y-axis tail bracket (209), and a Y-axis idler adjustment plate (2121) is provided on the Y-axis base plate (210) near the Y-axis tail bracket (209). A third bolt (2124) is provided between the Y-axis idler adjustment plate (2121) and the Y-axis tail bracket (209); a Y-axis driven wheel (2123) is provided on the Y-axis idler adjustment plate (2121); a Y-axis motor bracket (211) is provided at the other end of the Y-axis bottom plate (210); a Y-axis driving wheel (2126) is provided below the Y-axis motor bracket (211); the Y-axis driving wheel (2126) is transmission-connected to the Y-axis motor (214); and a Y-axis synchronous belt (2122) is transmission-connected between the Y-axis driving wheel (2126) and the Y-axis driven wheel (2123).

7. The liquid transfer assembly of a fully automatic fluorescent immunoassay analyzer according to claim 6, characterized in that: The Y-axis synchronous belt (2122) is provided with Y-axis linear guides (2125) on both sides, and the Y-axis linear guides (2125) are arranged side by side. The Y-axis linear guides (2125) are slidably connected to the Y-axis nut seat (213). The two sides below the Y-axis nut seat (213) are provided with second support columns (216). The Y-axis synchronous belt (2122) is arranged between the two second support columns (216) and close to the second support columns (216) on both sides. A Y-axis synchronous belt pressing plate (215) is provided on the inner side of the Y-axis synchronous belt (2122) on the same side, and the Y-axis synchronous belt pressing plate (215) fixes the Y-axis synchronous belt (2122) on the second supporting column (216) on the same side. A second sliding block (217) is fixedly connected below the second supporting column (216), and the second sliding block (217) is slidably connected to the Y-axis linear guide (2125). A YZ connecting bracket (208) is fixedly connected to the Y-axis nut seat (213).

8. The liquid transfer assembly of a fully automatic fluorescent immunoassay analyzer according to claim 7, characterized in that: Y-axis side plates (203) are respectively provided on both sides of the Y-axis bottom plate (210); the Y-axis side plates (203) are fixed on the XY connecting bracket (112); the Y-axis motor (214) faces the rear end of the X-axis bottom plate (107); a protective cover (201) is provided on the outer periphery of the Y-axis motor (214); a Y-axis optical coupler (202) is provided on the protective cover (201); the Y-axis optical coupler (202) faces the YZ connecting bracket (208); a Y-axis signal plate (206) is provided on the YZ connecting bracket (208); and the Y-axis signal plate (206) corresponds to the Y-axis optical coupler (202).

9. The liquid transfer assembly of a fully automatic fluorescent immunoassay analyzer according to claim 8, characterized in that: The Z-axis motion assembly (40) is fixedly connected to the YZ connecting bracket (208), and comprises a housing (402). A Z-axis motor (401) is provided on the top of the housing (402), and the Z-axis motor (401) is drivingly connected to a Z-axis driving wheel (4037). A lead screw (4032) is provided at the center of the housing (402), and a Z-axis driven wheel (4031) is provided at the upper end of the lead screw (4032). A Z-axis synchronous belt (4036) is drivingly connected between the Z-axis driven wheel (4031) and the Z-axis driving wheel (4037).

10. The liquid transfer assembly of a fully automatic fluorescent immunoassay analyzer according to claim 9, characterized in that: The lead screw (4032) is threadedly connected to a lead screw nut (4034), a connecting bracket (4033) is provided on the lead screw nut (4034), two Z-axis linear guides (4035) are respectively provided on the outer side of the housing (402), the two Z-axis linear guides (4035) are vertically arranged in parallel, the two Z-axis linear guides (4035) are slidably connected to the pipette (30), the pipette (30) is fixedly connected to the connecting bracket (4033), a Z-axis optical coupler (404) is provided on one side of the interior of the housing (402), a Z-axis signal sheet (405) is provided at the left end of the connecting bracket (4033), and the Z-axis signal sheet (405) corresponds to the Z-axis optical coupler (404).

Images