Pipettor detection device with protection function

By designing an automated pipette testing device, utilizing a PLC controller and a multi-stage adjustable robotic feeding mechanism, combined with a miniature camera and electric clamps, the problem of cumbersome and time-consuming traditional pipette testing is solved, achieving efficient and accurate measurement and testing, and improving the degree of automation and work efficiency.

CN223461240UActive Publication Date: 2025-10-21SHANGHAI METROLOGY & TESTING TECHNOLOGY RESEARCH INSTITUTE CO LTD
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Patent Information

Application Number
CN202423094621.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-13
Publication Date
2025-10-21
Estimated Expiration
2034-12-13

AI Technical Summary

Technical Problem

Traditional pipette testing methods are cumbersome, time-consuming, and susceptible to human error, failing to meet the requirements of automation and digitalization, and thus unable to achieve efficient and accurate metrological testing.

Method used

A pipette detection device with protective functions was designed. It adopts a PLC controller and a multi-stage adjustable robot feeding mechanism, combined with a miniature camera and electric clamps, to achieve automated positioning, identification and clamping. Through multi-stage drive, it enables flexible movement and detection of the pipette in different functional areas.

Benefits of technology

It achieves automated, rapid, efficient, and accurate pipette testing, reduces human error, improves work efficiency, supports integrated continuous testing, and enhances the applicability and protection functions of the device.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a pipettor detection device with a protection function, which comprises a base, a PLC (programmable logic controller) is mounted at one end of the base, and a pre-detection support, a positioning protection module, a liquid suction and drainage platform, a weighing balance and a post-detection support are sequentially mounted in the base in a clamping manner. According to the utility model, an electric clamp for the pipettor and the like are arranged, so that when the device is used, a user can replace the electric clamp for the pipettor with a proper type according to the sizes, models and the like of different pipettor products, and then the electric clamp for the pipettor is clamped into a mounting groove at the tail end of the second adjusting arm; at the moment, the electric telescopic rod on the mounting groove is started, the fixing pressing block at the output end of the electric telescopic rod can be used for rapidly clamping and fixing the electric clamp for the pipettor, the pressure sensor on the fixing pressing block can be used for monitoring the clamping force, and the clamping force required for mounting the electric clamp for the pipettor does not need to be manually adjusted and controlled; and the clamp structure can be quickly assembled and disassembled conveniently.
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Description

TECHNICAL FIELD

[0001] The utility model relates to pipettor detection device technical field, specifically is a pipettor detection device with protection function. BACKGROUND

[0002] Pipettor detection technology is widely used in laboratory, medical diagnosis and drug research and development fields, and pipettor detection mostly adopts manual measurement mode, which needs artificial pipetting, weighing and recording and a series of operations, not only being tedious and time-consuming, but also being easily affected by environmental factors and prone to large human error.

[0003] In addition, the traditional manual detection method cannot meet the requirements of automation and digital transformation, cannot utilize data means to analyze, manage and share, therefore, the traditional manual detection method has great improvement space, and it is urgent to introduce advanced technologies such as automation, intelligentization and digitalization to improve the accuracy and efficiency of measurement and detection, reduce artificial error and operation cost, based on which, a novel pipettor detection device with protection function is provided. UTILITY MODEL CONTENT

[0004] In view of the above problems, the present application is proposed to provide a pipettor detection device with protection function to solve the above problems.

[0005] To achieve the above object, the utility model provides the following technical scheme: a pipettor detection device with protection function, including the base, the one end of base is installed with PLC controller, the inside of base is sequentially clamped with before detection support, positioning protection module, liquid suction and discharge platform, weighing balance and after detection support, all be provided with pipettor positioning operation mouth on liquid suction and discharge platform and weighing balance, be installed with the positioning miniature camera that is matched with pipettor positioning operation mouth on positioning protection module, the bottom of one side of base is evenly installed with screw rod linear guide rail, the top of screw rod linear guide rail is connected with driving base plate sliding, the top of driving base plate is installed with rotary drive mechanism, the output of rotary drive mechanism is connected with rotary adjusting plate, the top of rotary adjusting plate is installed with telescopic pneumatic cylinder, the output of telescopic pneumatic cylinder is connected with telescopic adjusting plate, be fixed with first servo motor on telescopic adjusting plate, the output of first servo motor is connected with first adjusting arm, the top of first adjusting arm is fixed with second servo motor, the output of second servo motor is connected with second adjusting arm, the bottom of second adjusting arm is provided with installation groove, be installed with pipettor electric clamp in the inside of installation groove, the outer wall of installation groove is fixed with scanning and identifying miniature camera.

[0006] Preferably, the base of the machine seat and the linear guide of the screw rod are uniformly fixed with anti-skid rubber pads, so that the anti-skid stability of the machine seat and the linear guide of the screw rod is improved.

[0007] Preferably, the pre-inspection support, the positioning protection module, the liquid suction and discharge platform, the weighing balance and the post-inspection support are uniformly welded with assembling pieces, and screws are arranged between the assembling pieces and the machine seat, so that the independent disassembly and maintenance of the pre-inspection support, the positioning protection module, the liquid suction and discharge platform, the weighing balance and the post-inspection support are facilitated.

[0008] Preferably, the pre-inspection support and the post-inspection support are uniformly provided with liquid handlers placing openings arranged at equal intervals, so that a plurality of liquid handler products can be placed on the pre-inspection support and the post-inspection support at equal intervals.

[0009] Preferably, the linear guide of the screw rod is provided with two.

[0010] Preferably, one end of the mounting groove is fixed with an electric telescopic rod, and the output end of the electric telescopic rod is connected with a fixed pressing block.

[0011] Preferably, the fixed pressing block is provided with a pressure sensor.

[0012] Preferably, the second adjusting arm and the first adjusting arm form a flip structure.

[0013] Preferably, the first adjusting arm and the telescopic adjusting plate form a flip structure.

[0014] Preferably, the rotary driving mechanism comprises a stepping motor and a speed reducer.

[0015] Compared with the prior art, the utility model has the beneficial effects that:

[0016] (1), the pipette detection device with protection function through the installation of first servo motor etc., so that the device optimizes its performance, the detection personnel ready to test the pipette product and placed in turn to the pre-test support, through the operation of PLC controller control issued instructions, prompt screw linear guide, rotary adjustment plate, rotary drive mechanism, telescopic cylinder, first servo motor, telescopic adjustment plate, second servo motor, first adjustment arm and second adjustment arm constitute a composite can multi-stage adjustment of the robot feeding mechanism into the measured task, after receiving the instruction, the output end of the robot feeding mechanism moves to the position of the pipette product to be tested in the pre-test support, and then the pipette product is taken off from the test support, then, through the positioning protection module to realize the positioning protection function, ensure that the robot feeding mechanism drives the pipette product to the liquid suction and discharge platform in turn to realize the liquid suction operation, then to the weighing balance to complete a detection, back to the liquid suction and discharge platform to discharge, finally move to the post-test support to automatically place the pipette product after one detection, the whole process is fast, efficient and high precision, which provides fast support for measurement, and avoids the error and risk caused by manual operation;

[0017] (2), the pipette detection device with protection function through the installation of pipette electric clamp etc., so that the device optimizes its structure, on the one hand, the second adjustment arm on the robot feeding mechanism is installed with a scanning identification miniature camera, which can scan the bar code or two-dimensional code on the pipette product placed on the liquid suction and discharge platform, which can automatically scan the data such as model of the pipette product tested each time into the PLC controller of the device, realize the function of automatic identification and recording, then, the two positioning miniature cameras on the positioning protection module can shoot the placement position of the pipette product clamped on the pipette electric clamp, ensure that it is accurately placed on the corresponding pipette positioning operation port on the liquid suction and discharge platform and the weighing balance, which can realize better positioning protection effect and reduce the operation error or product collision damage caused by deviation, on the other hand, the user can replace the appropriate type of pipette electric clamp according to the size and model of different pipette products, and then clamp the pipette electric clamp into the installation slot at the tail end of the second adjustment arm, then start the electric telescopic rod on the installation slot, which can quickly clamp and fix the pipette electric clamp with the fixed pressure block at the output end, and the pressure sensor on the fixed pressure block can monitor the clamping force, so that the device can realize quick installation and disassembly of the pipette electric clamp, and enhance the applicability;

[0018] (3), the pipette detection device with the protection function through the installation of telescopic adjusting plate etc., so that the device specific operation, through the installation of screw linear guide, rotating adjusting plate, rotating drive mechanism, telescopic cylinder, first servo motor, telescopic adjusting plate, second servo motor, first adjusting arm and second adjusting arm constitute the composite type can multistage adjustment of the robot feeding mechanism, through the start of two screw linear guide can drive the robot feeding mechanism fixed on the pipette product in the horizontal longitudinal direction automation movement, and start rotating drive mechanism inside the stepper motor and reducer can drive the robot feeding mechanism fixed on the pipette product rotation movement change orientation, start telescopic cylinder can drive the robot feeding mechanism fixed on the pipette product up and down, and through the start of first servo motor and second servo motor drive first adjusting arm and second adjusting arm overturn movement, to realize for the robot feeding mechanism fixed on the pipette product position further refinement adjustment, this makes the device through multistage drive expands the range of motion, is conducive to meet the pipette product in the machine base before detection support, positioning protection module, liquid suction and liquid discharge platform, weighing balance and after detection support these several functional area between the flexible movement conversion, further improve the degree of automation of the device, is conducive to realize the integrated continuous detection processing, improve the work efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0019] The drawings described herein are used to provide further understanding of the present application, constitute a part of the present application, the illustrative embodiments of the present application and its explanation are used to explain the present application, and do not constitute improper limitation on the present application. In the drawings:

[0020] Figure 1 It is a top view structure schematic diagram of the utility model;

[0021] Figure 2 It is a side view structure schematic diagram of the utility model;

[0022] Figure 3 It is a second adjusting arm side view structure schematic diagram of the utility model;

[0023] Figure 4 It is a top view structure schematic diagram of the utility model; Figure 3 It is a top view structure schematic diagram of the utility model;

[0024] In the figure: 1, base; 2, pipette positioning operation port; 3, second adjusting arm; 4, first adjusting arm; 5, driving base plate; 6, screw linear guide rail; 7, pressure sensor; 8, post-inspection support; 9, assembly piece; 10, weighing balance; 11, positioning protection module; 12, positioning miniature camera; 13, liquid suction and discharge platform; 14, pre-inspection support; 15, pipette placing port; 16, PLC controller; 17, rotary adjusting plate; 18, rotary driving mechanism; 19, telescopic air cylinder; 20, first servo motor; 21, telescopic adjusting plate; 22, second servo motor; 23, electric clamp for pipette; 24, mounting groove; 25, fixed pressing block; 26, electric telescopic rod; 27, miniature camera for scanning and identification. DETAILED DESCRIPTION

[0025] To make the objectives, technical solutions, and advantages of the present application clearer, the technical solutions of the present application will be described below in conjunction with specific embodiments of the present application and corresponding drawings. Obviously, the described embodiments are only some of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the scope of protection of the present application.

[0026] Please refer to Figures 1-4 The present application provides an embodiment: a pipette detection device with a protection function, comprising a base 1, one end of the base 1 is provided with a PLC controller 16, and the inside of the base 1 is sequentially clamped with a pre-inspection support 14, a positioning protection module 11, a liquid suction and discharge platform 13, a weighing balance 10, and a post-inspection support 8;

[0027] The liquid suction and discharge platform 13 and the weighing balance 10 are both provided with a pipette positioning operation port 2, and the positioning protection module 11 is provided with a positioning miniature camera 12 matched with the pipette positioning operation port 2;

[0028] The bottom of one side of the base 1 is uniformly provided with a screw linear guide rail 6, the top of the screw linear guide rail 6 is slidably connected with a driving base plate 5, and the top of the driving base plate 5 is provided with a rotary driving mechanism 18;

[0029] The output end of the rotary driving mechanism 18 is connected with a rotary adjusting plate 17, the top of the rotary adjusting plate 17 is provided with a telescopic air cylinder 19, the output end of the telescopic air cylinder 19 is connected with a telescopic adjusting plate 21, the telescopic adjusting plate 21 is fixedly provided with a first servo motor 20, the output end of the first servo motor 20 is connected with a first adjusting arm 4, the top of the first adjusting arm 4 is fixedly provided with a second servo motor 22, and the output end of the second servo motor 22 is connected with a second adjusting arm 3;

[0030] The rotary driving mechanism 18 comprises a stepping motor and a speed reducer.

[0031] In use, the robot feeding mechanism capable of multi-stage adjustment is installed at the front end of the device, and the pipette product fixed on the robot feeding mechanism can be automatically moved in the horizontal longitudinal direction by starting the two linear guide rails 6. The stepper motor and the speed reducer in the rotary drive mechanism 18 can drive the pipette product fixed on the robot feeding mechanism to rotate and change the orientation. The telescopic pneumatic cylinder 19 can drive the pipette product fixed on the robot feeding mechanism to move up and down. The first servo motor 20 and the second servo motor 22 can drive the first adjusting arm 4 and the second adjusting arm 3 to flip and further adjust the position of the pipette product fixed on the robot feeding mechanism. This makes the device have a larger movement range through multi-stage driving, which is beneficial to meet the flexible movement and conversion of the pipette product between the pre-inspection support 14, the positioning protection module 11, the liquid suction and discharge platform 13, the weighing balance 10, and the post-inspection support 8 on the base 1, thereby improving the automation degree of the device and realizing integrated continuous detection processing and improving the work efficiency.

[0032] The bottom of the second adjusting arm 3 is provided with a mounting groove 24, and the electric clamp for pipette is installed in the mounting groove 24.

[0033] In use, the user can replace the electric clamp for pipette according to the size and model of different pipette products, and then clamp the electric clamp for pipette in the mounting groove 24 at the tail end of the second adjusting arm 3. At this time, the electric telescopic rod 26 on the mounting groove 24 is started, and the fixed pressing block 25 at the output end of the electric telescopic rod 26 can quickly clamp and fix the electric clamp for pipette. The pressure sensor 7 on the fixed pressing block 25 can monitor the clamping force, and the clamping force required for the installation of the electric clamp for pipette does not need to be manually adjusted, which makes the device have fast installation and disassembly of the electric clamp for pipette and enhances the applicability.

[0034] The outer wall of the mounting groove 24 is fixed with a miniature camera 27 for scanning and identification.

[0035] When in use, the micro camera 27 for scanning and identifying installed on the second adjusting arm 3 of the robot feeding mechanism can scan the bar code or two-dimensional code attached to the pipette product placed on the liquid suction and discharge platform 13, which facilitates the automatic scanning of the model and other data of the pipette product for each test into the PLC controller 16 of the device, and realizes the function of automatic identification and recording. Subsequently, the two positioning micro cameras 12 on the positioning and protection module 11 can take pictures of the placement position of the pipette product clamped on the electric clamp 23 for positioning the pipette, which ensures that the pipette is accurately placed on the corresponding pipette positioning operation port 2 of the liquid suction and discharge platform 13 and the weighing balance 10, which can achieve better positioning and protection effect and reduce the operation error or product collision and damage caused by deviation.

[0036] The bottom of the machine base 1 and the linear guide rail 6 of the screw rod are uniformly fixed with anti-skid rubber pads, which improves the anti-skid and stable performance of the machine base 1 and the linear guide rail 6 of the screw rod.

[0037] The pre-inspection support 14, the positioning and protection module 11, the liquid suction and discharge platform 13, the weighing balance 10 and the post-inspection support 8 are uniformly welded with assembly pieces 9, and screws are arranged between the assembly pieces 9 and the machine base 1, which facilitates the independent disassembly and maintenance of the pre-inspection support 14, the positioning and protection module 11, the liquid suction and discharge platform 13, the weighing balance 10 and the post-inspection support 8.

[0038] The pre-inspection support 14 and the post-inspection support 8 are uniformly provided with pipette placement ports 15 arranged at equal intervals, which facilitates the equal interval placement of multiple pipette products on the pre-inspection support 14 and the post-inspection support 8.

[0039] The linear guide rail 6 of the screw rod is provided with two;

[0040] One end of the mounting groove 24 is fixed with an electric telescopic rod 26, and the output end of the electric telescopic rod 26 is connected with a fixed pressing block 25;

[0041] The fixed pressing block 25 is installed with a pressure sensor 7;

[0042] The second adjusting arm 3 and the first adjusting arm 4 form a flip structure;

[0043] The first adjusting arm 4 and the telescopic adjusting plate 21 form a flip structure.

[0044] In use, the embodiment of the present application first connects an external power supply, detects that a person is ready to test the pipette product and places it in turn to the pre-detection support 14, and then controls the instructions sent by operating the PLC controller 16, prompts the robot feeding mechanism composed of the screw linear guide rail 6, the rotary adjusting plate 17, the rotary driving mechanism 18, the telescopic air cylinder 19, the first servo motor 20, the telescopic adjusting plate 21, the second servo motor 22, the first adjusting arm 4 and the second adjusting arm 3 to enter the detection task, and after receiving the instructions, the output end of the robot feeding mechanism moves to the position of the pipette product to be detected on the pre-detection support 14, and then takes the pipette product from the pre-detection support, and then realizes the positioning protection function through the positioning protection module 11, guarantees that the robot feeding mechanism drives the pipette product to the liquid suction and discharge platform 13 to realize the liquid suction operation, to the weighing balance 10 to complete a detection, back to the liquid suction and discharge platform 13 to discharge the liquid, and finally moves to the post-detection support 8 to automatically place the pipette product after one detection, the whole process is fast, efficient and high-precision, provides fast support for measurement, and avoids errors and risks caused by manual operation. Specifically, the robot feeding mechanism composed of the screw linear guide rail 6, the rotary adjusting plate 17, the rotary driving mechanism 18, the telescopic air cylinder 19, the first servo motor 20, the telescopic adjusting plate 21, the second servo motor 22, the first adjusting arm 4 and the second adjusting arm 3 is installed at the front end of the device, the pipette product fixed on the robot feeding mechanism can be automatically moved in the horizontal longitudinal direction by starting the two screw linear guide rails 6, the pipette product fixed on the robot feeding mechanism can be rotated to change the position by starting the stepper motor and the speed reducer in the rotary driving mechanism 18, the pipette product fixed on the robot feeding mechanism can be raised and lowered by starting the telescopic air cylinder 19, and the first adjusting arm 4 and the second adjusting arm 3 are flipped by starting the first servo motor 20 and the second servo motor 22 to realize further fine adjustment of the position of the pipette product fixed on the robot feeding mechanism, which expands the movement range of the device through multi-level driving, facilitates flexible movement and conversion between the pre-detection support 14, the positioning protection module 11, the liquid suction and discharge platform 13, the weighing balance 10 and the post-detection support 8 on the machine base 1, thereby improving the automation degree of the device, facilitating integrated continuous detection processing and improving work efficiency. In addition, on the one hand, the miniature camera 27 installed on the second adjusting arm 3 of the robot feeding mechanism can scan the bar code or two-dimensional code attached to the pipette product placed on the liquid suction and discharge platform 13, which facilitates automatic scanning of the model and other data of the pipette product tested each time into the PLC controller 16 of the device to realize the function of automatic identification and recording, and subsequently,The two positioning micro cameras 12 on the positioning protection module 11 can take pictures of the placement position of the pipette product clamped on the pipette electric clamp 23, ensuring that it is accurately placed on the corresponding pipette positioning operation port 2 on the liquid suction and discharge platform 13 and the weighing balance 10. This can achieve better positioning protection effect, reduce the operation error or product collision damage problem caused by deviation. On the other hand, the user can replace the appropriate type of pipette electric clamp 23 according to the size and model of different pipette products, and then clamp the pipette electric clamp 23 into the installation slot 24 at the tail end of the second adjusting arm 3. At this time, the electric telescopic rod 26 on the installation slot 24 is started, and the fixed pressing block 25 at the output end of the electric telescopic rod 26 can be used to quickly clamp and fix the pipette electric clamp 23. The pressure sensor 7 on the fixed pressing block 25 can monitor the clamping force, so there is no need for manual adjustment to control the clamping force required for the installation of the pipette electric clamp 23. This makes the device can realize the quick installation and disassembly of the pipette electric clamp 23, and enhances the applicability.

[0045] Finally, it should be noted that: the above examples are only used to illustrate the technical solutions of the present application, and not to limit them; although the present application has been described in detail with reference to the foregoing examples, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing examples, or make equivalent replacement for part of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A pipette detection device with a safeguard function, characterized in that The utility model provides a kind of liquid handling platform, including base (1), one end of the base (1) is equipped with PLC controller (16), inside the base (1) is sequentially equipped with before detection support (14), positioning protection module (11), liquid suction and discharge platform (13), weighing balance (10) and after detection support (8), and all be provided with pipette positioning operation mouth (2) on the liquid suction and discharge platform (13) and weighing balance (10), positioning protection module (11) is equipped with and the positioning miniature camera (12) matched with pipette positioning operation mouth (2), the bottom of the base (1) one side is evenly equipped with screw linear guide (6), the top of the screw linear guide (6) is slidably connected with driving base plate (5), the top of the driving base plate (5) is equipped with rotary drive mechanism (18), the output of the rotary drive mechanism (18) is connected with rotary adjustment plate (17), the top of the rotary adjustment plate (17) is equipped with telescopic pneumatic cylinder (19), the output of the telescopic pneumatic cylinder (19) is connected with telescopic adjustment plate (21), the first servo motor (20) is fixed on the telescopic adjustment plate (21), the output of the first servo motor (20) is connected with first adjustment arm (4), the top of the first adjustment arm (4) is fixed with second servo motor (22), the output of the second servo motor (22) is connected with second adjustment arm (3), the bottom of the second adjustment arm (3) is provided with mounting groove (24), the inside of the mounting groove (24) is equipped with electric clamp (23) for pipette, the outside wall of the mounting groove (24) is fixed with miniature camera (27) for scanning and identification.

2. The pipette detection device with a protection function according to claim 1, characterized in that: The base (1) and the bottom of the screw linear guide (6) are evenly fixed with anti-skid rubber pads.

3. The pipette detection device with a protection function according to claim 1, characterized in that: The before detection support (14), positioning protection module (11), liquid suction and discharge platform (13), weighing balance (10) and after detection support (8) are all evenly welded with assembly pieces (9), and screws are arranged between the assembly pieces (9) and the base (1).

4. The pipette detection device with a protection function according to claim 1, characterized in that: The before detection support (14) and the after detection support (8) are both evenly provided with pipette placing openings (15) arranged at equal intervals.

5. The pipette detection device with a protection function according to claim 1, characterized in that: The screw linear guide (6) is provided with two.

6. The pipette detection device with a protection function according to claim 1, characterized in that: One end of the mounting groove (24) is fixed with an electric telescopic rod (26), and the output end of the electric telescopic rod (26) is connected with a fixed pressing block (25).

7. The pipette detection device with a protection function according to claim 6, characterized in that: The fixed pressing block (25) is provided with a pressure sensor (7).

8. The pipette detection device with a protection function according to claim 1, characterized in that: The second adjustment arm (3) and the first adjustment arm (4) constitute a flip structure.

9. The pipette detection device with a protection function according to claim 1, characterized in that: The first adjustment arm (4) and the telescopic adjustment plate (21) constitute a flip structure.

10. The pipette detection device with a protection function according to claim 1, characterized in that: The rotary drive mechanism (18) comprises a stepper motor and a speed reducer.