Multi-channel quantitative continuous reagent dispensing system

Abstract

The utility model relates to the technical field of reagent injection, and discloses a multichannel quantitative continuous reagent separate injection system which comprises a machine base, an injection mechanism and a reagent shelf, the injection mechanism is correspondingly arranged above the reagent shelf through a fixing seat frame, and a conveying assembly is arranged on the machine base. The reagent frame is arranged on the machine base through the conveying assembly, a plurality of containing grooves are formed in the reagent frame, the filling mechanism comprises a motor driving module, a material moving frame plate and a plurality of separate filling assemblies, the motor driving module is fixedly connected to the fixed seat frame, and the material moving frame plate is fixedly connected to the material moving frame plate. The material moving frame plate is connected to the output end of the motor driving module, the separate injection assembly comprises a constant delivery pump and a separate injection head, a separate injection pipe is arranged at the bottom of the separate injection head, the constant delivery pump is connected to the fixed seat frame, the separate injection pipe is connected to the material moving frame plate through an elastic module, and the elastic module is connected to the fixed seat frame. And the separate injection head is communicated with the metering pump through an injection connecting pipe.

Description

Technical Field

[0001] The utility model relates to the technical field of reagent filling, in particular to a multi-channel quantitative continuous reagent dispensing system. Background Art

[0002] Biochemical analysis is used to react the obtained biological samples with reagents to achieve sample preparation, biochemical reactions and final result detection. Biochemical analysis generally includes sampling, dilution, adding reagents, reaction, separation and detection. For biochemical analysis, reagents need to be added to the samples to be tested to react and determine the content of the required elements.

[0003] In complex biomedical analysis instruments (such as fully automatic chemiluminescence immunoassay analyzers, biochemical analyzers, etc.), reagents need to be added. In batch experiments, it is usually necessary to prepare reagents, mixed solutions, buffer solutions, etc. for the experiment in multiple reaction tubes. However, for existing dispensing equipment, it is difficult to perform quantitative batch addition of reagents during the entire dispensing process, and its efficiency is low. Long dispensing time will further increase the possibility of reagent contamination. Utility Model Content

[0004] The technical problem to be solved by the utility model is to overcome the deficiencies of the prior art, provide a multi-channel quantitative continuous reagent dispensing system, perform continuous dispensing of reagents, improve the efficiency of reagent dispensing, and have strong practicality.

[0005] The technical solution of the utility model is: a multi-channel quantitative continuous reagent dispensing system, including a machine base, a filling mechanism and a reagent rack, the filling mechanism is arranged above the reagent rack through a fixed seat frame, a transmission component is arranged on the machine base, the reagent rack is arranged on the machine base through the transmission component, and a plurality of placement slots are arranged on the reagent rack. The filling mechanism includes a motor drive module, a material moving rack plate and a plurality of dispensing components, the motor drive module is fixedly connected to the fixed seat frame, the material moving rack plate is connected to the output end of the motor drive module, the dispensing component includes a quantitative pump and a dispensing head, a dispensing tube is arranged at the bottom of the dispensing head, the quantitative pump is connected to the fixed seat frame, the dispensing tube is connected to the material moving rack plate through an elastic module, and the dispensing head is connected to the quantitative pump through a filling connecting pipe.

[0006] It can be seen from the above scheme that the placement slot on the reagent rack is used to place reagent bottles, the motor drive module is used to drive the dispensing component on the material moving rack plate to move up and down, the filling mechanism is used to set multiple dispensing channels through several dispensing components, which speeds up the dispensing speed, and the metering pump adopts a micro-metering pump to ensure the accuracy of the amount of reagent filled in the reagent bottle. The dispensing tube is connected to the metering pump to realize the single quantitative filling of the reagent bottle by the dispensing tube. The transmission component is used to ensure the continuous transmission of the reagent rack. By combining the transmission of the reagent rack with the reagent filling action of the dispensing component, the efficiency and accuracy of the reagent dispensing are greatly improved.

[0007] The motor drive module includes a filling motor, a screw connected to the output end of the filling motor, and a screw nut matched with the screw thread, and the material moving rack is fixed on the screw nut. It can be seen that the motor drive module converts the rotation of the filling motor into the up and down movement of the material moving rack, and the filling motor is used to drive the screw to rotate to realize the screw nut to drive the material moving rack to realize linear movement.

[0008] The conveying assembly includes a transmission motor, a transmission wheel group and a conveyor belt, wherein the transmission wheel group is connected to the output end of the transmission motor, the conveyor belt is covered on the transmission wheel group, and a through slot is provided on the base, and the conveyor belt is arranged in the through slot. It can be seen that the through slot is used to expose the conveyor belt, so that the conveyor belt is in contact with the bottom of the reagent rack, and the transmission motor is used to drive the conveyor belt to drive the reagent rack to move on the base.

[0009] The fixed seat frame includes support arms arranged on both outer sides of the base and connecting frame plates connected to the support arms, the side of the material moving frame plate is slidably matched with the support arms, a position sensor is arranged on the inner side of any of the support arms, and a display panel is arranged on the outer side wall of the support arm. It can be seen that the support arms are symmetrically arranged on the outer side arms of the frame, the material moving frame plate is slidably matched with the support arms, and the stability of the material moving frame plate moving up and down is convenient, the position sensor is used to sense the transmission position of the reagent rack, and after sensing that the reagent rack is transmitted to the specified position, the reagent bottle is dispensed, and it is used to accurately dispense reagents into the reagent bottles on the reagent rack, and the display panel is used to display the amount of reagent added by the dispensing tube at a single time, which can be adjusted according to different reagent amounts, and has a wide range of applications.

[0010] The elastic module includes a fixed block, a connecting block, a spring member and a guide rail. The fixed block and the guide rail are connected to the material moving rack plate. The spring member is arranged between the fixed block and the connecting block. The connecting block and the guide rail are slidably matched. The dispensing tube is connected to the connecting block. It can be seen that the dispensing tube is elastically connected to the fixed block, the guide rail is used to guide the dispensing tube when it moves up and down under the action of elastic force, and the elastic module is used to achieve anti-collision of the dispensing head.

[0011] A plurality of strong magnets are arranged equidistantly on the surface of the conveyor belt along the conveying direction. It can be seen that the strong magnets are used to attract the reagent rack, so that the conveyor belt can convey the reagent rack more stably and reliably. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a front view of the utility model;

[0013] Figure 2 It is an explosion schematic diagram of the utility model;

[0014] Figure 3 It is a partial structural schematic diagram of the utility model;

[0015] Figure 4 It is a partial structural schematic diagram of the utility model. DETAILED DESCRIPTION

[0016] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0017] like Figures 1 to 4 As shown, the utility model is a multi-channel quantitative continuous reagent dispensing system, including a machine base 1, a filling mechanism and a reagent rack 2, the filling mechanism is correspondingly arranged above the reagent rack 2 through a fixed seat frame 3, a conveying component 4 is arranged on the machine base 1, the reagent rack 2 is arranged on the machine base 1 through the conveying component 4, and a plurality of placement slots 21 are arranged on the reagent rack 2, the filling mechanism includes a motor drive module 5, a material moving rack plate 6 and a plurality of dispensing components, the motor drive module 5 is fixedly connected to the fixed seat frame 3, the material moving rack plate 6 is connected to the output end of the motor drive module 5, the dispensing component includes a quantitative pump 7 and a dispensing head 8, a dispensing pipe 81 is arranged at the bottom of the dispensing head 8, the quantitative pump 7 is connected to the fixed seat frame 3 through a mounting frame 71, the dispensing pipe 81 is connected to the material moving rack plate 6 through an elastic module, the dispensing pipe 8 is connected to the quantitative pump 7 through a filling connecting pipe 15, and the dispensing head 8 is correspondingly arranged to the placement slot 21.

[0018] In this embodiment, an embedding groove adapted to the filling connecting tube 15 is provided on the mounting block of the fixed seat frame 3, and the filling connecting tube 15 is bent and arranged between the dispensing tube 81 and the quantitative pump 7. The reagent rack 2 is provided with three layers of reagent rack plates, and each layer of the reagent rack plate 2 is provided with a 5×10 limiting placement groove 21. Ten reagent bottles are arranged in each row on the reagent rack 2, and the moving rack plate 6 is provided with ten dispensing tubes 81 adapted thereto. The reagent rack 2 is transported on the machine base 1 by a conveying component, and the dispensing tube 81 is used to realize row-by-row filling above the reagent rack 2. The quantitative pump 7 is electrically connected to the dispensing tube 81 to control the reagent filling, and the quantitative pump 7 fills 20 ml at a time through the dispensing tube 81.

[0019] The motor drive module 5 includes a filling motor 51 , a screw rod 52 connected to the output end of the filling motor 51 , and a screw rod nut 53 threadably matched with the screw rod 52 , and the material moving rack plate 6 is fixed on the screw rod nut 53 .

[0020] The transmission assembly 4 includes a transmission motor 41, a transmission wheel group 42 and a transmission belt 43. The transmission wheel group 42 is connected to the output end of the transmission motor 41, and the transmission belt 43 is covered on the transmission wheel group 42. The base 1 is provided with a through slot 11, and the transmission belt 43 is arranged in the through slot 11. A plurality of strong magnets 13 are arranged on the surface of the transmission belt 43 at equal intervals along the transmission direction. A push-in channel 14 is arranged on the side of the base 1 away from the transmission assembly. In this embodiment, the transmission motor 41 is arranged in the base 1, and the transmission belt 45 is arranged in the through slot 11 through a support frame in the base 1, and the upper end surface of the strong magnet 13 is kept flush with the upper end surface of the base 1.

[0021] The fixed frame 3 includes support arms 31 arranged on both outer sides of the machine base 1 and a connecting frame plate 32 connected to the support arms 31. The side of the material moving frame plate 6 is slidably matched with the support arms 31 through a slider 16. A position sensor 10 is arranged on the inner side of any of the support arms 31, and a display panel 12 is arranged on the outer wall of the support arm 31. In this embodiment, an adjustment button is arranged on the display panel 12, and the adjustment button is electrically connected to the quantitative pump 7 to realize the reagent amount filled in a single row.

[0022] The elastic module includes a fixed block 91, a connecting block 92, a spring member 93 and a guide rail 94. The fixed block 91 and the guide rail 94 are connected to the material moving rack plate 6. The spring member 93 is arranged between the fixed block 91 and the connecting block 92. The connecting block 92 is slidably matched with the guide rail 94. The dispensing tube 81 is connected to the connecting block 92.

[0023] The working process of the utility model is as follows: the reagent rack 2 is provided with reagent bottles through the placement slot 21, the reagent rack 2 is manually placed from the push channel 14 into the sampling area of ​​the machine base 1, and the reagent rack 2 is transported to the designated dispensing position through the conveyor belt 43. After the reagent rack 2 is transported to the designated position, the motor drive module 5 drives a row of dispensing tubes 81 on the material moving rack plate 6 to move downward, and after each dispensing tube 81 in a single row reaches the reagent bottle mouth, the reagent with a set dose is added to the reagent bottle through the quantitative pump 7. After the filling action is completed, the motor drive module 5 drives to move upward, and the transmission belt 43 drives the reagent rack 2 to move its position, and then the above-mentioned dispensing action is repeated to complete the continuous reagent dispensing.

[0024] Finally, it should be emphasized that the above is not intended to limit the present invention. For those skilled in the art, the present invention may have various changes and modifications. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A multi-channel quantitative continuous reagent dispensing system, comprising a base (1), a filling mechanism and a reagent rack (2), characterized in that: The filling mechanism is arranged above the reagent rack (2) via a fixed seat frame (3); a conveying assembly (4) is arranged on the machine base (1); the reagent rack (2) is arranged on the machine base (1) via the conveying assembly (4); a plurality of placement slots (21) are arranged on the reagent rack (2); the filling mechanism comprises a motor drive module (5), a material moving frame plate (6) and a plurality of dispensing assemblies; the motor drive module (5) is fixedly connected to the fixed seat frame (3); the material moving frame plate (6) is connected to the output end of the motor drive module (5); the dispensing assembly comprises a metering pump (7) and a dispensing head (8); a dispensing pipe (81) is arranged at the bottom of the dispensing head (8); the metering pump (7) is connected to the fixed seat frame (3); the dispensing pipe (81) is connected to the material moving frame plate (6) via an elastic module; the dispensing head (8) is connected to the metering pump (7) via a filling connection pipe (15).

2. The multi-channel quantitative continuous reagent dispensing system according to claim 1, characterized in that: The motor drive module (5) comprises a filling motor (51), a screw rod (52) connected to the output end of the filling motor (51), and a screw rod nut (53) threadably matched with the screw rod (52), and the material moving rack plate (6) is fixed on the screw rod nut (53).

3. The multi-channel quantitative continuous reagent dispensing system according to claim 1, characterized in that: The transmission assembly (4) comprises a transmission motor (41), a transmission wheel group (42) and a transmission belt (43); the transmission wheel group (42) is connected to the output end of the transmission motor (41); the transmission belt (43) is covered on the transmission wheel group (42); a through groove (11) is provided on the machine base (1); and the transmission belt (43) is arranged in the through groove (11).

4. The multi-channel quantitative continuous reagent dispensing system according to claim 1, characterized in that: The fixed frame (3) comprises support arms (31) arranged on both outer sides of the machine base (1) and a connecting frame plate (32) connected to the support arms (31); the side of the material moving frame plate (6) is slidably matched with the support arms (31); a position sensor (10) is arranged on the inner side of any of the support arms (31); and a display panel (12) is arranged on the outer side wall of the support arm (31).

5. The multi-channel quantitative continuous reagent dispensing system according to claim 1, characterized in that: The elastic module includes a fixed block (91), a connecting block (92), a spring member (93) and a guide rail (94); the fixed block (91) and the guide rail (94) are connected to the material moving rack plate (6); the spring member (93) is arranged between the fixed block (91) and the connecting block (92); the connecting block (92) and the guide rail (94) are slidably matched; and the dispensing tube (81) is connected to the connecting block (92).

6. The multi-channel quantitative continuous reagent dispensing system according to claim 3, characterized in that: A plurality of strong magnets (13) are arranged at equal intervals on the surface of the conveyor belt (43) along the conveying direction.

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