Three-axis type pipetting robot
By designing a three-axis pipetting robot, the combination of elliptical seats, round slots and storage holes removes excess rotating components, and improves the stability and accuracy of the pipetting components through the limiting mechanism, the pipetting mechanism in the prior art is solved. Economic expenses and installation problems when combined with quad-axis robots achieve efficient pipetting operations.
Patent Information
- Application Number
- CN202420977808.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-08
- Publication Date
- 2025-01-07
- Estimated Expiration
- 2034-05-08
AI Technical Summary
In the prior art, when the pipetting mechanism is combined with a four-axis robot, since the pipetting mechanism only performs liquid suction and spitting operations, the rotating assembly at the end of the four-axis robot appears redundant, hindering the installation of the pipetting structure and increasing economic expenses.
Design a three-axis pipetting robot, which removes excess rotating components by setting round grooves and storage holes on the end ellipse seat, and uses a limiting mechanism to support the fit of springs, elliptical plates and limiting rods to ensure the movement. The stability and accuracy of the liquid components are convenient for component replacement.
Reduces economic expenses, improves the stability and accuracy of pipetting components, and simplifies the component replacement process, achieving efficient completion of pipetting operations.
Smart Images
Figure CN222305849U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of liquid transfer mechanisms, in particular to a three-axis liquid transfer robot. Background Art
[0002] Pipetting is a commonly used process in laboratory automation. After years of development, automated components, consumables and operating methods have become very mature. Driven by the motion mechanism, the automatic pipette automatically completes the actions of loading the tip, sucking liquid, spitting liquid into other containers and unloading the tip. It is widely used in medical testing, drug development, genetic engineering, biology, chemical industry, food, environment and other industries.
[0003] However, in the prior art, when the pipetting mechanism is combined with a traditional four-axis robot, since the pipetting mechanism only operates to suck and spit liquid, there is no need to rotate the pipetting mechanism. In this case, the rotating component at the end of the four-axis robot becomes redundant. If it is kept, it will not only hinder the installation of the pipetting structure, but also increase economic expenses. Therefore, a three-axis pipetting robot is proposed. Utility Model Content
[0004] The purpose of the utility model is to solve the problem in the prior art that since the pipetting mechanism only operates to suck and spit liquid, there is no need to rotate the pipetting mechanism. At this time, the rotating component at the end of the four-axis robot is redundant. If it is kept all the time, it will not only hinder the installation of the pipetting structure but also increase economic expenses. A three-axis pipetting robot is proposed to solve the problem that
[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a three-axis pipetting robot, including a robot arm, an output end of the robot arm is fixedly installed with an end elliptical seat, one end of the end elliptical seat is provided with a pipetting assembly, the lower end of the end elliptical seat is provided with a circular groove, the upper end of the end elliptical seat is penetrated with a storage hole, the upper end of the end elliptical seat is provided with a limiting mechanism, the limiting mechanism includes two groups of limiting clamping seats and two groups of convex blocks, one end of the two groups of the limiting clamping seats is fixedly installed with a protective box, the interior of the two groups of the protective boxes is provided with two groups of supporting springs, the interior of the two groups of the protective boxes is provided with an elliptical plate, one end of the two groups of the elliptical plates and near the edge positions on both sides are fixedly installed with limiting rods, and one end of the two groups of the convex blocks and near the edge positions on both sides are provided with limiting grooves.
[0006] Preferably, one end of the two groups of protection boxes is provided with a pull block, and one end of the two groups of pull blocks is fixedly installed with a pull rod.
[0007] Preferably, the pipetting assembly is arranged inside the storage hole, and the lower part of the pipetting assembly passes through the circular groove to the outside of the terminal elliptical seat.
[0008] Preferably, one end of the four groups of support springs is respectively fixed to the inner side walls of the two groups of protection boxes, and the other end of the four groups of support springs is respectively fixed to the other end of the two groups of elliptical plates.
[0009] Preferably, one end of the four groups of limiting rods are respectively fixed to one end of the two groups of elliptical plates, and the four groups of limiting rods respectively penetrate the two groups of limiting clamping seats and are arranged inside the four groups of limiting grooves.
[0010] Preferably, one end of the two groups of pull rods respectively passes through the two groups of protection boxes and is fixed to one end of the two groups of elliptical plates.
[0011] Preferably, the lower ends of the two groups of limit clamps are fixed to the upper end of the terminal elliptical seat, one end of the two groups of convex blocks are respectively fixed to the two ends of the pipetting assembly, and the two groups of convex blocks are respectively arranged inside the two groups of limit clamps.
[0012] Compared with the prior art, the advantages and positive effects of the utility model are:
[0013] 1. In the utility model, with the cooperation of the terminal elliptical seat, the circular groove and the storage hole, the economic expenditure can be reduced by removing the rotating component inside the terminal elliptical seat. At the same time, by providing a circular groove and a storage hole at the lower end of the terminal elliptical seat, the pipetting component can be installed inside the storage hole, so that the pipetting component is fixed to the terminal elliptical seat, which facilitates the terminal elliptical seat to drive the pipetting component to move, so that the pipetting component can complete the suction and discharge of liquid and transfer the liquid to other containers.
[0014] 2. In the utility model, by setting a limiting mechanism, with the cooperation of two groups of limiting clamps and two groups of convex blocks, the two groups of convex blocks can be limited, thereby increasing the stability of the pipetting assembly during movement and improving the accuracy of the pipetting assembly. At the same time, with the cooperation of four groups of supporting springs, two groups of elliptical plates and two groups of limiting rods, the two groups of convex blocks can be fixed inside the two groups of limiting clamps, thereby fixing the two groups of convex blocks and further improving the firmness of the two groups of convex blocks. Secondly, with the cooperation of the pulling block and the screw rod, the two groups of convex blocks can be respectively moved out from the inside of the two groups of limiting clamps, thereby facilitating the replacement of the pipetting assembly. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 A three-dimensional structural schematic diagram of a three-axis liquid transfer robot is proposed for the utility model;
[0016] Figure 2 A partial bottom view of a three-axis liquid transfer robot proposed by the utility model;
[0017] Figure 3A three-dimensional diagram of a liquid transfer assembly and a limiting structure of a three-axis liquid transfer robot is provided for the utility model;
[0018] Figure 4 The utility model provides a top view of a liquid transfer assembly and a limit mechanism of a three-axis liquid transfer robot;
[0019] Figure 5 The utility model provides a structural schematic diagram of a liquid transfer component and a convex block of a three-axis liquid transfer robot.
[0020] Legend: 1. Robot arm; 11. End elliptical seat; 2. Pipetting assembly; 21. Round groove; 22. Storage hole; 3. Limiting mechanism; 31. Limiting seat; 32. Convex block; 33. Protective box; 34. Pull block; 35. Support spring; 36. Limiting rod; 37. Limiting groove; 38. Pull rod; 39. Elliptical plate. DETAILED DESCRIPTION
[0021] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.
[0022] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.
[0023] Embodiment 1
[0024] like Figure 1 As shown in Figure 5, the utility model provides a three-axis liquid transfer robot, including a robot arm 1, an output end of the robot arm 1 is fixedly mounted with an end elliptical seat 11, one end of the end elliptical seat 11 is provided with a liquid transfer component 2, a circular groove 21 is provided at the lower end of the end elliptical seat 11, a storage hole 22 is penetrated through the upper end of the end elliptical seat 11, a limiting mechanism 3 is provided at the upper end of the end elliptical seat 11, the liquid transfer component 2 is arranged inside the storage hole 22, and the lower part of the liquid transfer component 2 penetrates the circular groove 21 to the outside of the end elliptical seat 11.
[0025] The specific settings and functions of this embodiment are described in detail below. By providing the terminal elliptical seat 11, the circular groove 21 and the storage hole 22, the design eliminates unnecessary rotating components, thereby reducing economic expenses. At the same time, by providing the circular groove 21 and the storage hole 22 at the lower end of the terminal elliptical seat 11, the pipetting component 2 can be installed inside the storage hole 22, so that the pipetting component 2 is fixed to the terminal elliptical seat 11, making it convenient for the terminal elliptical seat 11 to drive the pipetting component 2 to move, so that the pipetting component 2 can complete the suction and discharge of liquid, and transfer the liquid to other containers.
[0026] Embodiment 2
[0027] like Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 As shown, the limiting mechanism 3 includes two groups of limiting seats 31 and two groups of convex blocks 32. One end of the two groups of limiting seats 31 is fixedly installed with a protection box 33. Two groups of supporting springs 35 are arranged inside the two groups of protection boxes 33. Elliptical plates 39 are arranged inside the two groups of protection boxes 33. One end of the two groups of elliptical plates 39 and near the edge positions on both sides are fixedly installed with limiting rods 36. One end of the two groups of convex blocks 32 and near the edge positions on both sides are provided with limiting grooves 37. One end of the two groups of protection boxes 33 is provided with a pull block 34. One end of the two groups of pull blocks 34 is fixedly installed with a pull rod 38. One end of the four groups of supporting springs 35 is respectively connected to the two groups of protection boxes The inner side wall of the four groups of support springs 35 is fixed to the other end of the two groups of elliptical plates 39, one end of the four groups of limit rods 36 is fixed to one end of the two groups of elliptical plates 39, the four groups of limit rods 36 respectively pass through the two groups of limit clamps 31 and are arranged inside the four groups of limit grooves 37, one end of the two groups of pull rods 38 respectively pass through the two groups of protection boxes 33 and are fixed to one end of the two groups of elliptical plates 39, the lower ends of the two groups of limit clamps 31 are fixed to the upper ends of the terminal elliptical seats 11, one ends of the two groups of convex blocks 32 are respectively fixed to the two ends of the pipetting assembly 2, and the two groups of convex blocks 32 are respectively arranged inside the two groups of limit clamps 31.
[0028] The effect achieved by the entire embodiment is that, by setting the limiting mechanism 3, under the cooperation of the two groups of limiting clamping seats 31 and the two groups of convex blocks 32, the two groups of convex blocks 32 can move along the two groups of limiting clamping seats 31, so that the two groups of convex blocks 32 can be respectively clamped in the inside of the two groups of limiting clamping seats 31, and then the two groups of convex blocks 32 can be limited, thereby increasing the stability of the pipetting component 2 when moving, and improving the accuracy of the pipetting component 2. At the same time, in the four groups of supporting springs 35, the four groups of supporting springs 35 can push the two groups of elliptical plates 39, and the two groups of elliptical plates 39 both drive the two groups of limiting rods 36 fixed thereto to move The four groups of limit rods 36 are respectively inserted into the inside of the four groups of limit grooves 37, so that the two groups of convex blocks 32 can be fixed inside the two groups of limit clamps 31, so that the two groups of convex blocks 32 can be fixed, and the firmness of the two groups of convex blocks 32 is further improved. Secondly, by pulling the pull blocks 34 one by one, the pull blocks 34 drive the elliptical plates 39 fixed thereto to move through the pull rods 38, and the elliptical plates 39 drive the two groups of limit rods 36 to move out of the inside of the two groups of limit grooves 37, and then the two groups of convex blocks 32 can be respectively moved out of the inside of the two groups of limit clamps 31, so that the pipetting component 2 can be easily replaced.
[0029] The method of using and the working principle of the present device are as follows: first, insert the lower part of the pipetting component 2 into the storage hole 22, the upper part of the pipetting component 2 will be located at the upper end of the terminal elliptical seat 11, and the two groups of convex blocks 32 can move along the two groups of limiting clamps 31, so that the two groups of convex blocks 32 can be respectively stuck in the two groups of limiting clamps 31, and then the two groups of convex blocks 32 can be limited, which can increase the stability of the pipetting component 2 during movement and improve the accuracy of the pipetting component 2. Then, the four groups of supporting springs 35 can push the two groups of elliptical plates 39, and the two groups of elliptical plates 39 drive the two groups of limiting rods 36 fixed thereto to move, so that the four groups of limiting rods 36 are respectively inserted into the four groups of limiting grooves 37, and then the two groups of convex blocks 32 can be fixed in the two groups of limiting clamps 31, so that the two groups of convex blocks 32 can be The two groups of convex blocks 32 are fixed, and the firmness of the two groups of convex blocks 32 is further improved. Secondly, by pulling the pull blocks 34 one by one, the pull blocks 34 drive the elliptical plates 39 fixed thereto to move through the pull rods 38, and the elliptical plates 39 drive the two groups of limiting rods 36 to move out from the inside of the two groups of limiting grooves 37, and then the two groups of convex blocks 32 can be respectively moved out from the inside of the two groups of limiting clamps 31, so that the pipetting assembly 2 can be easily replaced. Finally, with the opening of the circular groove 21 and the storage hole 22, the pipetting assembly 2 can be installed in the storage hole 22, so that the pipetting assembly 2 is fixed to the end elliptical seat 11, which is convenient for the end elliptical seat 11 to drive the pipetting assembly 2 to move, so that the pipetting assembly 2 can complete the suction and discharge of liquid, and transfer the liquid to other containers. By running the robot arm 1, the robot arm 1 will drive the pipetting assembly 2 to move, which can facilitate the transfer of liquid by the pipetting assembly 2.
[0030] The above are only preferred embodiments of the present invention, and are not intended to limit the present invention in other forms. Any technician familiar with the profession may use the technical contents disclosed above to change or modify them into equivalent embodiments with equivalent changes and apply them to other fields. However, any simple modification, equivalent change and modification made to the above embodiments based on the technical essence of the present invention without departing from the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.
Claims
1. A three-axis liquid transfer robot, comprising a robot arm (1), characterized in that: An end elliptical seat (11) is fixedly mounted on the output end of the robot arm (1), a pipetting assembly (2) is arranged at one end of the end elliptical seat (11), a circular groove (21) is provided at the lower end of the end elliptical seat (11), a storage hole (22) is penetrated through the upper end of the end elliptical seat (11), a limiting mechanism (3) is arranged at the upper end of the end elliptical seat (11), the limiting mechanism (3) comprises two groups of limiting clamping seats (31) and two groups of convex blocks (32), a protective box (33) is fixedly mounted on one end of the two groups of limiting clamping seats (31), two groups of supporting springs (35) are arranged inside the two groups of protective boxes (33), an elliptical plate (39) is arranged inside the two groups of protective boxes (33), a limiting rod (36) is fixedly mounted on one end of the two groups of elliptical plates (39) and near the edge positions on both sides, and a limiting groove (37) is arranged on one end of the two groups of convex blocks (32) and near the edge positions on both sides.
2. A three-axis liquid transfer robot according to claim 1, characterized in that: One end of the two groups of protection boxes (33) is provided with a pull block (34), and one end of the two groups of pull blocks (34) is fixedly mounted with a pull rod (38).
3. A three-axis liquid transfer robot according to claim 1, characterized in that: The liquid transfer component (2) is arranged inside the storage hole (22), and the lower part of the liquid transfer component (2) passes through the circular groove (21) to the outside of the end elliptical seat (11).
4. A three-axis liquid transfer robot according to claim 1, characterized in that: One ends of the four groups of support springs (35) are respectively fixed to the inner side walls of the two groups of protection boxes (33), and the other ends of the four groups of support springs (35) are respectively fixed to the other ends of the two groups of elliptical plates (39).
5. A three-axis liquid transfer robot according to claim 1, characterized in that: One end of the four groups of limit rods (36) is respectively fixed to one end of the two groups of elliptical plates (39), and the four groups of limit rods (36) respectively penetrate the two groups of limit clamping seats (31) and are arranged inside the four groups of limit grooves (37).
6. A three-axis liquid transfer robot according to claim 2, characterized in that: One end of the two groups of pull rods (38) respectively penetrates through the two groups of protection boxes (33) and is fixed to one end of the two groups of elliptical plates (39).
7. A three-axis liquid transfer robot according to claim 5, characterized in that: The lower ends of the two groups of limit clamps (31) are fixed to the upper end of the terminal elliptical seat (11), one end of the two groups of convex blocks (32) are respectively fixed to the two ends of the pipetting assembly (2), and the two groups of convex blocks (32) are respectively arranged inside the two groups of limit clamps (31).