An automatic experimental adaptive mechanical arm lifting cap screwing device

Abstract

This utility model discloses an automated experimental robotic arm lifting and capping device, including a spring buffer base, an automatic lifting mechanism, and a capping actuator. The spring buffer base is fixed to the bottom of the device and contains multiple sets of springs. The automatic lifting mechanism is vertically mounted on the spring buffer base and includes a high-precision servo motor, a linear slide rail meshing with the motor output shaft, and a laser sensor located at the top of the linear slide rail. The capping actuator is movably connected to the linear slide rail of the automatic lifting mechanism and includes a detachable upper capping head and a lower capping head. The capping actuator is elastically connected to the base body through the springs of the spring buffer base. The spring buffer base automatically adjusts the buffer force to absorb impacts and prevent container breakage or leakage. The automatic lifting mechanism and the laser sensor precisely adjust the height to adapt to different containers and work in conjunction with the robotic arm to cap containers, improving efficiency, accuracy, and safety. The compact structure and replaceable capping heads meet the diverse miniaturization needs of laboratories.

Description

Technical Field

[0001] This utility model relates to the field of experimental equipment technology, specifically to an automated experimental adapter robotic arm lifting and capping device. Background Technology

[0002] In the field of laboratory equipment technology, capping reagent bottles, sample vials, and other material containers is a common and important procedure. Currently, the industry mainly relies on manual methods to tighten or loosen the caps. Manual capping is not only inefficient, but also time-consuming and labor-intensive when processing large batches of samples, increasing the workload of laboratory personnel. Furthermore, manual operation makes it difficult to precisely control the force and angle of the cap, easily leading to either a loose cap causing leakage or an overly tight cap that is difficult to open or even damages the bottle. This problem is particularly pronounced when handling containers of different materials or sizes, such as glass and plastic.

[0003] To address these issues, some automated capping machines have emerged on the market. However, most of these machines have significant limitations: First, their complex and bulky overall structure makes them unsuitable for the compact spaces and flexible operating environments typically required in laboratories, and they struggle to adapt to diverse capping scenarios, such as upward or downward capping. Second, they generally lack effective cushioning mechanisms, making them highly susceptible to container breakage or material loss due to improper adjustment of impact forces or pressure during the capping process. Third, their designs are not fully compatible with automated gripping devices such as robotic arms, hindering their ability to collaborate with automated material handling systems and resulting in insufficient ease of operation and integration. Therefore, there is an urgent need to develop an automated capping solution that is compact, easy to operate, has cushioning protection capabilities, and is well-suited for robotic arm applications. Utility Model Content

[0004] In view of the above-mentioned technical problems in related technologies, this utility model proposes an automated experimental adapter robotic arm lifting and capping device, which can overcome the above-mentioned shortcomings of the prior art.

[0005] To achieve the above-mentioned technical objectives, the technical solution of this utility model is implemented as follows:

[0006] An automated experimental robotic arm lifting and capping device;

[0007] This automated experimental robotic arm lifting and capping device includes a spring-buffered base, an automatic lifting mechanism, and a capping actuator. The spring-buffered base is fixed to the bottom of the device and contains multiple sets of springs. The automatic lifting mechanism is vertically mounted on the spring-buffered base and includes a high-precision servo motor, a linear slide rail meshing with the motor's output shaft, and a laser sensor located at the top of the linear slide rail. The capping actuator is movably connected to the linear slide rail of the automatic lifting mechanism and includes a detachable upper capping head and a lower capping head. The capping actuator is elastically connected to the base body via the springs of the spring-buffered base.

[0008] Furthermore, the capping actuator includes an independently installed upper capping mechanism and a lower capping mechanism, both of which are detachably connected to a linear slide rail via positioning pins.

[0009] Furthermore, the upper capping mechanism integrates an upper capping head, and the lower capping mechanism integrates a lower capping head. The ends of the upper capping head and the lower capping head are respectively provided with at least one of an internal thread structure, an external thread structure, and a snap-fit ​​structure.

[0010] Furthermore, the linear slide rail has a rack structure embedded in its groove, and the output gear of the high-precision servo motor meshes with the rack structure.

[0011] Furthermore, the base body of the spring buffer base is made of stainless steel or engineering plastic, and the wire diameter of the internal spring is 1.5-3mm, with a compression stroke range of 5-15mm.

[0012] Furthermore, the upper and lower caps are connected to the rotary drive device via quick-release buckles, and the rotary drive device has a built-in planetary gear set with a reduction ratio of 1:50.

[0013] Furthermore, the linear slide rail is provided with a scale on its outer side, with a minimum scale division of 0.5 mm.

[0014] Furthermore, the detection end of the laser sensor faces the operating plane of the capping actuator, and the detection angle is adjustable within a range of ±30°.

[0015] Furthermore, the overall dimensions of the device are 300mm*200mm*500mm, and the height of the spring buffer base accounts for 1 / 4 to 1 / 3 of the total height.

[0016] Furthermore, the replaceable end components of the upper and lower caps are fixed by magnetic adsorption, and the thickness of the replaceable components is 2-5mm.

[0017] The beneficial effects of this utility model are as follows: the spring buffer base automatically adjusts the buffering force according to the weight of the container and absorbs the impact force, thereby effectively preventing container breakage or material leakage during the capping process; the automatic lifting mechanism combined with the laser sensor achieves precise height adjustment, enabling the device to adapt to containers of different sizes and work with the robotic arm to complete the capping operation; thus, it achieves the effect of improving capping efficiency and accuracy and ensuring operational safety. At the same time, the compact structural design and replaceable capping head further meet the diverse and miniaturized operational needs of the laboratory. Attached Figure Description

[0018] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 This is a partial sectional perspective view of the overall structure of an automated experimental robotic arm lifting and capping device according to an embodiment of the present invention;

[0020] Figure 2 This is a partial sectional side view of the overall structure of an automated experimental adapter robotic arm lifting and capping device according to an embodiment of the present utility model;

[0021] Figure 3 This is a side view of the overall structure of an automated experimental adapter robotic arm lifting and capping device according to an embodiment of the present utility model;

[0022] Figure 4 This is a schematic diagram of the first usage state of an automated experimental adapter robotic arm lifting and capping device according to an embodiment of the present utility model;

[0023] Figure 5 This is a schematic diagram of the second usage state of an automated experimental adapter robotic arm lifting and capping device according to an embodiment of the present utility model;

[0024] Figure 6 This is a side view of the automatic lifting mechanism of an automated experimental robotic arm lifting and capping device according to an embodiment of the present utility model;

[0025] Figure 7 This is a side view of the capping actuator and spring buffer base of an automated experimental robotic arm lifting and capping device according to an embodiment of the present invention.

[0026] In the diagram: 1. High-precision servo motor; 2. Linear slide rail; 3. Laser sensor; 4. Upper capping head; 5. Upper capping mechanism; 6. Spring buffer base; 7. Lower capping mechanism; 8. Lower capping head; 9. Robotic arm. Detailed Implementation

[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art are within the protection scope of the present utility model.

[0028] It should be understood that in the description of the embodiments of this utility model, the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," and "counterclockwise," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing the embodiments of this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the embodiments of this utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, features defined with "first" and "second" may explicitly or implicitly include one or more of the stated features. In the description of the embodiments of this utility model, "several" means two or more, unless otherwise explicitly specified.

[0029] like Figure 1-7 As shown in the embodiment of this utility model, an automated experimental robotic arm lifting and capping device includes a spring buffer base 6, an automatic lifting mechanism, and a capping actuator. The spring buffer base 6 is fixed to the bottom of the device and has multiple sets of springs inside. The automatic lifting mechanism is vertically mounted on the spring buffer base 6 and includes a high-precision servo motor 1, a linear slide rail 2 meshing with the motor output shaft, and a laser sensor 3 set at the top of the linear slide rail. The capping actuator is movably connected to the linear slide rail 2 of the automatic lifting mechanism and includes a detachable upper capping head 4 and a lower capping head 8. The capping actuator is elastically connected to the base body through the springs of the spring buffer base 6.

[0030] According to an embodiment of the present invention, an automated experimental robotic arm lifting and capping device is provided. In a specific embodiment, the capping actuator includes an independently installed upper capping mechanism 5 and a lower capping mechanism 7. Both mechanisms are detachably connected to the linear slide rail 2 via positioning pins.

[0031] According to an embodiment of the present invention, an automated experimental adapter robotic arm lifting and capping device is provided. In a specific embodiment, the upper capping mechanism 5 integrates an upper capping head 4, and the lower capping mechanism 7 integrates a lower capping head 8. The ends of the upper capping head 4 and the lower capping head 8 are respectively provided with at least one of an internal thread structure, an external thread structure, and a snap-fit ​​structure.

[0032] According to an embodiment of the present invention, an automated experimental robotic arm lifting and capping device is provided. In a specific embodiment, the linear slide rail 2 has a rack structure embedded in its groove, and the output gear of the high-precision servo motor 1 meshes with the rack structure.

[0033] According to an embodiment of the present invention, an automated experimental adapter robotic arm lifting and capping device is provided. In a specific embodiment, the base body of the spring buffer base 6 is made of stainless steel or engineering plastic, the wire diameter of the internal spring is 1.5-3mm, and the compression stroke range is 5-15mm.

[0034] According to an embodiment of the present invention, an automated experimental robotic arm lifting and capping device is provided. In a specific embodiment, the upper capping head 4 and the lower capping head 8 are connected to a rotary drive device via quick-release buckles. The rotary drive device has a built-in planetary gear set with a reduction ratio of 1:50.

[0035] According to an embodiment of the present invention, an automated experimental adapter robotic arm lifting and capping device is provided. In a specific embodiment, the linear slide rail 2 is provided with a scale on its outer side, and the minimum scale division value is 0.5mm.

[0036] According to an embodiment of the present invention, an automated experimental adapter robotic arm lifting and capping device is provided. In a specific embodiment, the detection end of the laser sensor 3 faces the operating plane of the capping actuator, and the detection angle is adjustable within a range of ±30°.

[0037] According to an embodiment of the present invention, an automated experimental adapter robotic arm lifting and capping device is provided. In a specific embodiment, the overall dimensions of the device are 300mm*200mm*500mm, and the height of the spring buffer base 6 accounts for 1 / 4 to 1 / 3 of the total height.

[0038] According to an embodiment of the present invention, an automated experimental adapter robotic arm lifting and capping device is provided. In a specific embodiment, the replaceable end components of the upper capping head 4 and the lower capping head 8 are fixed by magnetic adsorption. The thickness of the replaceable component is 2-5mm.

[0039] To facilitate understanding of the above-mentioned technical solutions of this utility model, the following detailed description of the above-mentioned technical solutions of this utility model is provided through specific usage methods.

[0040] In practical use, the automated experimental adapter robotic arm lifting and capping device according to this utility model includes a capping actuator, an automatic lifting mechanism, a spring buffer base, and a control system.

[0041] Spring-loaded cushioning base: The spring-loaded cushioning base is the core innovation of this device. The base body is made of high-strength, corrosion-resistant material, providing stable support for the entire device. Multiple sets of springs are evenly distributed inside the base. One end of each spring is fixed to the internal support structure, and the other end is connected to the bottom of the upper or lower capping mechanism. The spring constants are precisely designed and tested, automatically adjusting the cushioning force according to the weight of the container and the pressure generated during the capping process. When the container is placed on the upper or lower capping mechanism and the capping operation is performed, the spring-loaded cushioning base effectively absorbs the impact force generated during the capping process, preventing excessive pressure from acting directly on the container and thus preventing container breakage.

[0042] Automatic lifting mechanism: The automatic lifting mechanism consists of a high-precision stepper servo motor, a linear slide rail, and a laser sensor. According to the actual set height, the laser sensor measures the height, and the stepper servo motor drives the linear slide rail to adjust the height. Then, the robotic arm reaches the designated position according to the preset trajectory to complete the tightening or unscrewing action, adapting to the needs of containers and capping operations of different heights.

[0043] Capping Actuator: The capping actuator consists of an upper capping actuator and a lower capping actuator. These are separate modules, and, where height permits, can simultaneously perform different opening / tightening actions on both mechanisms. The capping actuator includes a rotary drive and a capping head. The rotary drive uses a high-precision motor to provide stable rotational power, and the rotational speed and torque are precisely adjusted by a control system. The capping head is designed with various adaptable shapes to different types of caps, such as internal thread capping heads, external thread capping heads, and snap-on capping heads. These can be easily changed using a quick-change device to meet the capping requirements of different container caps. During the capping process, the capping actuator works in conjunction with the robotic arm and spring-loaded base to achieve precise tightening or unscrewing of the container cap.

[0044] The control system consists of a touch screen and a PLC controller. The capping actuator, the automatic lifting device motor, and the laser sensor are all connected to the PLC controller. After the height of the capping mechanism is set via the touch screen, the automatic lifting mechanism adjusts to the corresponding height according to the set value. Then, the robotic arm grips the bottle and moves it to the designated position to open or tighten the cap accordingly.

[0045] In summary, the technical solution of this utility model has the following advantages over the prior art:

[0046] 1. Improved operational adaptability: The adjustable jaws and angle adjustment device of the container clamping mechanism, as well as the various adapter capping heads of the capping actuator, enable this device to be applicable to containers of various specifications, shapes and materials, meet the diverse capping needs of laboratories, and have wide applicability.

[0047] 2. Improved Capping Efficiency and Precision: Automated capping mechanisms can complete capping operations quickly and accurately, significantly improving work efficiency compared to manual operation. Simultaneously, precise control of rotation speed and torque ensures capping accuracy, preventing caps from being too tight or too loose.

[0048] 3. Compact structure and easy operation: The device has a compact overall structure, occupies little space, and is suitable for small-scale laboratory operating environments. The operation process is simple and easy to understand. Simply place the container on the container clamping mechanism, select the appropriate capping head, and start the device to complete the capping operation, reducing the workload and difficulty of operation for the operator.

[0049] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. An automated experimental robotic arm lifting and capping device, characterized in that, The device includes a spring buffer base (6), an automatic lifting mechanism, and a capping actuator; characterized in that: the spring buffer base (6) is fixed to the bottom of the device and has multiple sets of springs inside; the automatic lifting mechanism is vertically mounted on the spring buffer base (6) and includes a high-precision servo motor (1), a linear slide rail (2) meshing with the motor output shaft, and a laser sensor (3) set at the top of the linear slide rail; the capping actuator is movably connected to the linear slide rail (2) of the automatic lifting mechanism and includes a detachable upper capping head (4) and a lower capping head (8); the capping actuator is elastically connected to the base body through the springs of the spring buffer base (6).

2. The automated experimental robotic arm lifting and capping device according to claim 1, characterized in that, The capping mechanism includes an independently installed upper capping mechanism (5) and a lower capping mechanism (7), both of which are detachably connected to the linear slide rail (2) via positioning pins.

3. The automated experimental robotic arm lifting and capping device according to claim 2, characterized in that, The upper capping mechanism (5) integrates an upper capping head (4), and the lower capping mechanism (7) integrates a lower capping head (8). The ends of the upper capping head (4) and the lower capping head (8) are respectively provided with at least one of an internal thread structure, an external thread structure, and a snap-fit ​​structure.

4. The automated experimental robotic arm lifting and capping device according to claim 1, characterized in that, The linear slide rail (2) has a rack structure embedded in its groove, and the output gear of the high-precision servo motor (1) meshes with the rack structure.

5. The automated experimental robotic arm lifting and capping device according to claim 1, characterized in that, The main body of the spring buffer base (6) is made of stainless steel or engineering plastic, and the wire diameter of the internal spring is 1.5-3mm, with a compression stroke range of 5-15mm.

6. The automated experimental adapter robotic arm lifting and capping device according to claim 1, characterized in that, The upper cap (4) and lower cap (8) are connected to the rotary drive device via quick-release buckles. The rotary drive device has a built-in planetary gear set with a reduction ratio of 1:

50.

7. The automated experimental robotic arm lifting and capping device according to claim 1, characterized in that, The linear slide rail (2) is provided with a scale on the outside, with a minimum scale division of 0.5 mm.

8. The automated experimental robotic arm lifting and capping device according to claim 1, characterized in that, The detection end of the laser sensor (3) faces the operating plane of the capping actuator, and the detection angle is adjustable within a range of ±30°.

9. The automated experimental adapter robotic arm lifting and capping device according to claim 1, characterized in that, The overall dimensions of the device are 300mm*200mm*500mm, and the height of the spring buffer base (6) accounts for 1 / 4 to 1 / 3 of the total height.

10. The automated experimental adapter robotic arm lifting and capping device according to claim 3, characterized in that, The replaceable end components of the upper cap (4) and the lower cap (8) are fixed by magnetic adsorption, and the thickness of the replacement component is 2-5mm.

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