Automatic sample injection contact angle tester of automatic inclined objective table

Abstract

The utility model relates to the technical field of contact angle testing, and discloses an automatic sample injection contact angle tester of an automatic inclined objective table, which comprises a base, a support arranged on the base, an XY adjusting table mounted at the top end of the support, an electric lifting sliding table mounted at the moving end of the XY adjusting table, a sample injection needle piston fixture block mounted at the moving end of the electric lifting sliding table, and a sample injection needle piston fixture block mounted at the moving end of the sample injection needle piston fixture block. A sample injection needle cylinder fixing buckle is arranged on the sample injection needle piston clamping block, a micro sample injection needle is arranged in the sample injection needle cylinder fixing buckle, and an optical objective table is arranged below the sample injection needle cylinder fixing buckle. And by automatically adjusting the objective table and the sample injection needle, the requirement of manual operation is remarkably reduced, so that the testing efficiency and repeatability are improved. According to the system, the contact angle can be measured quickly and accurately, and the operation complexity is effectively reduced. By combining the automatic sample injection function and the inclination capability of the objective table, the measurement of the contact angle at various inclination angles becomes true, and the wettability and the anti-skid performance of the solid surface can be evaluated more accurately.

Description

TECHNICAL FIELD

[0001] The utility model relates to contact angle test technical field, concretely is a kind of automatic sampling contact angle measuring instrument of automatic tilt object table. BACKGROUND

[0002] The measurement of contact angle is an important means to evaluate the properties of solid surfaces. Contact angle refers to the angle formed by the contact of a drop of liquid with the surface of a solid after the drop is added to the surface. The size of this angle can reflect the wettability of the solid surface, and it is of great significance for the study of surface modification, coating, adhesion and other phenomena.

[0003] Traditional contact angle measurement equipment usually requires manual adjustment of the object table and the sampling needle, which is cumbersome and inefficient. Manual adjustment of the object table often requires the operator to have certain experience to ensure the correct placement of the sample and the accuracy of the measurement angle. In addition, the use of manual sampling needle also increases the complexity of operation, which can easily lead to measurement errors, especially when a large number of samples need to be measured, the limitations of this traditional method are particularly obvious.

[0004] To solve the above problems, some automated contact angle measurement devices have appeared in the market. These devices use electronic control systems to adjust the object table and the sampling needle, improving the accuracy and repeatability of the measurement. However, existing automatic contact angle measuring instruments still have deficiencies in the object table tilting function, and cannot meet the needs of some special sample testing, such as the need to measure the contact angle at different tilt angles to evaluate the surface's anti-slip performance.

[0005] Therefore, based on the above technical problems, it is necessary for the skilled in the art to develop an automatic sampling contact angle measuring instrument with automatic tilt object table. CONTENT OF THE UTILITY MODEL

[0006] The utility model aims at providing an automatic sampling contact angle measuring instrument with automatic tilt object table to solve the problems raised in the background.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0008] An automatic sampling contact angle measuring instrument with automatic tilt object table technical scheme, including base, the base is provided with support, the support top end is installed XY adjusting table, the mobile end of XY adjusting table is installed electric lifting slide, the mobile end of electric lifting slide is installed sampling needle piston clamping block, sampling needle piston clamping block is provided with sampling needle needle cylinder fixed buckle, sampling needle needle cylinder fixed buckle is provided with trace sampling needle in, and its below is provided with optical object table.

[0009] As a preferred technical solution, the optical stage is provided with a focusing assembly on one side, and a camera lens assembly is installed on the focusing assembly.

[0010] As a preferred technical solution, the XY adjustment stage is used to control the moving position of the sample injection needle piston block in the horizontal direction, so as to realize accurate sample injection at different positions.

[0011] As a preferred technical solution, the electric lifting slide table can adjust the height of the sample injection needle piston block in the vertical direction, so as to ensure that the micro-injection needle can accurately contact and penetrate into the sample, and complete the automatic sample injection operation.

[0012] As a preferred technical solution, the optical stage is provided with a stage lifting slide table below, and a stage translation knob is installed on the stage lifting slide table.

[0013] As a preferred technical solution, the stage lifting slide table is used to adjust the height of the optical stage to adapt to samples of different heights, and the stage translation knob is used to adjust the position of the optical stage in the horizontal direction.

[0014] As a preferred technical solution, the bracket is provided with an optical rotary stage, and a back light is arranged at the back of the optical rotary stage.

[0015] Compared with the prior art, the automatic sample injection contact angle measuring instrument with an automatically inclined stage has the following beneficial effects:

[0016] The automatic sample injection contact angle measuring instrument with an automatically inclined stage can significantly reduce the need for manual operation, thereby improving the efficiency and repeatability of the test. The system can quickly and accurately measure the contact angle, effectively reducing the complexity of the operation. Combined with the automatic sample injection function and the inclination of the stage, it is possible to measure the contact angle at various inclination angles, thereby more accurately evaluating the wettability and slip resistance of the solid surface. It is suitable for samples of various heights and sizes, and can meet various testing needs. The focusing assembly ensures that the camera lens can clearly image the sample surface, further improving the accuracy of the measurement results. The automatic sample injection, stage inclination, focusing imaging and other functions are integrated, providing users with a comprehensive test solution. The automatic sample injection contact angle measuring instrument with an automatically inclined stage has significant advantages in improving work efficiency, operation convenience, measurement accuracy and adaptability, and can meet the high standard requirements of modern laboratories for contact angle measurement. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a front view of the automatic sample injection contact angle measuring instrument with an automatically inclined stage.

[0018] Figure 2 It is a schematic view of the side structure of an automatic sample injection contact angle measuring instrument with an automatic tilting stage.

[0019] Figure 3 It is a schematic view of the top structure of an automatic sample injection contact angle measuring instrument with an automatic tilting stage.

[0020] In the figure, 1 is a base, 2 is a support, 3 is an optical rotary stage, 4 is a backlight, 5 is an XY adjustment stage, 6 is an electric lifting slide, 7 is a sample injection needle piston clamping block, 8 is a sample injection needle cylinder fixing buckle, 9 is a micro sample injection needle, 10 is a stage lifting slide, 11 is a stage translation knob, 12 is an optical stage, 13 is a focusing assembly, and 14 is a camera lens assembly. DETAILED DESCRIPTION

[0021] The features and exemplary embodiments of each aspect of the present application will be described in detail below, in order to make the purpose, technical scheme and advantages of the present application more clear and apparent, the present application will be further described in detail below in combination with the drawings and specific embodiments. For those skilled in the art, the present application can be implemented without some of these specific details. The following description of the embodiments is only to provide a better understanding of the present application by showing examples of the present application.

[0022] As shown in Figure 1 , Figure 2 and Figure 3 , the present application provides a technical scheme of an automatic sample injection contact angle measuring instrument with an automatic tilting stage: the equipment comprises a base 1, the base 1 is provided with a support 2, and the top end of the support 2 is provided with an XY adjustment stage 5. The moving end of the XY adjustment stage 5 is provided with an electric lifting slide 6, and the moving end of the electric lifting slide 6 is provided with a sample injection needle piston clamping block 7.

[0023] The sample injection needle piston clamping block 7 is provided with a sample injection needle cylinder fixing buckle 8, and the sample injection needle cylinder fixing buckle 8 is provided with a micro sample injection needle 9.

[0024] The optical stage 12 is provided below the micro sample injection needle 9. The optical stage 12 is provided with a focusing assembly 13 on one side, and the focusing assembly 13 is provided with a camera lens assembly 14. The focusing assembly 13 is used to adjust the focal length of the camera lens assembly 14, and to ensure clear imaging of the sample surface.

[0025] XY adjustment table 5 is used to control the moving position of the sample injection needle piston block 7 in the horizontal direction to realize the accurate injection of the sample at different positions.

[0026] The optical stage 12 is provided below the stage lifting slide 10, and the stage translation knob 11 is installed on the stage lifting slide.

[0027] The stage lifting slide 10 is used to adjust the height of the optical stage 12 to adapt to samples of different heights.

[0028] The optical rotating table 3 is provided on the bracket 2, and the backlight 4 is provided at the back of the optical rotating table 3.

[0029] The optical rotating table 3 and the backlight 4 are used to provide uniform illumination to enhance the contrast and clarity of the sample surface image.

[0030] Through the above structure design, the automatic sample injection contact angle tester with automatic tilting stage of the utility model can realize automatic adjustment of the stage and the sample injection needle, significantly reduces the demand for manual operation, and improves the test efficiency and repeatability. At the same time, the device can quickly and accurately measure the contact angle, effectively reduces the operation complexity, and can adapt to the demand of measuring the contact angle under different inclination angles, so as to more accurately evaluate the wettability and anti-skid performance of the solid surface. In addition, the focusing assembly ensures that the camera lens can clearly image the sample surface, further improving the accuracy of the measurement results. The automatic sample injection, stage tilting, focusing imaging and other functions are integrated, which provides a comprehensive test solution for users.

[0031] The working principle and use process of the utility model are as follows: after the components of the present scheme are assembled in sequence, the above-mentioned each embodiment is sequentially operated according to actual requirements, and the whole working step can be completed.

[0032] The above-mentioned is only the preferable specific embodiment of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model.

[0033] In the description of the utility model, it is understood that the orientation or positional relationship indicated by the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inner", "front", "central", "both ends" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model.

[0034] In the utility model, unless otherwise explicitly specified and limited, the terms "mounting", "setting", "connecting", "fixing", "screw connection" and the like should be understood broadly, for example, can be fixed connection, can also be detachable connection, or integrated; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be the communication inside two elements or the interaction relationship of two elements, unless otherwise explicitly limited, the above-mentioned terms in the utility model can be understood according to the specific meaning in the specific circumstances by the ordinary skilled in the art.

[0035] According to the above embodiments of the utility model, these embodiments do not describe all the details, and the utility model is not limited to the specific embodiments. Obviously, according to the above description, many modifications and changes can be made. The embodiments are selected and specifically described in the specification in order to better explain the principles and practical application of the utility model, so that the skilled in the art can well utilize the utility model and the modified use based on the utility model. Any modification, equivalent replacement, improvement and the like made within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. An automatic sample injection contact angle meter having an automatic tilting stage, characterized by, Including the base (1), the bracket (2) is arranged on the base (1), the XY adjusting table (5) is installed at the top of the bracket (2), the moving end of the XY adjusting table (5) is installed with the electric lifting slide (6), the moving end of the electric lifting slide (6) is installed with the sample needle piston clamping block (7), the sample needle needle cylinder fixed buckle (8) is arranged on the sample needle piston clamping block (7), the trace sample needle (9) is arranged in the sample needle needle cylinder fixed buckle (8), and the optical stage (12) is arranged below the trace sample needle (9).

2. The automatic sample injection contact angle measuring instrument with an automatic tilting sample stage according to claim 1, characterized in that: The optical stage (12) is provided with a focusing assembly (13) on the opposite side, the camera lens assembly (14) is installed on the focusing assembly (13), the focusing assembly (13) is used for adjusting the focal length of the camera lens assembly (14), and clear imaging of the sample surface is ensured.

3. The automatic sample injection contact angle meter with an automatic tilting stage according to claim 1, wherein: The XY adjusting table (5) is used for controlling the moving position of the sample needle piston clamping block (7) in the horizontal direction, so as to realize the accurate sampling of the sample at different positions.

4. The automatic sample injection contact angle meter with an automatic tilting stage according to claim 3, characterized in that: The electric lifting slide (6) can adjust the height of the sample needle piston clamping block (7) in the vertical direction, so as to ensure that the trace sample needle (9) can accurately contact and penetrate into the sample, and the automatic sampling operation of the sample is completed.

5. The automatic sample injection contact angle meter with an automatic tilting stage according to claim 4, wherein: The optical stage (12) is provided with a stage lifting slide (10) below, the stage lifting slide (10) is installed with a stage translation knob (11).

6. The automatic sample injection contact angle meter with an automatic tilting stage according to claim 5, wherein: The stage lifting slide (10) is used for adjusting the height of the optical stage (12) to adapt to samples of different heights, and the stage translation knob (11) is used for adjusting the position of the optical stage (12) in the horizontal direction.

7. The automatic sample introduction contact angle meter with an automatic tilting stage according to claim 1, wherein: The bracket (2) is provided with an optical rotary table (3), and the back of the optical rotary table (3) is provided with a back light (4).

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