CN-224202973-U - Solid contact angle measuring device considering surface modification

Abstract

The application provides a solid contact angle measuring device considering surface modification, which comprises a tray, wherein a drying component is arranged above the tray, clamping grooves corresponding to the drying component are formed in the middle position of the tray, buckles are connected in the clamping grooves, a titration component comprises a supporting rod, a sliding groove is formed in the supporting rod, a sliding block is connected in the sliding groove in a sliding manner, a buret is connected at the bottom end of the sliding block, a stroke component is connected with the sliding block in a penetrating manner, and a contact angle measuring instrument is connected with a bracket at one end of the contact angle measuring instrument and used for measuring a sample fixed above the tray, and relates to the technical field of material surface property testing.

Inventors

• ZHANG HENG
• YUAN MEI
• HU XIAOYU
• TIAN YUAN
• TU JIAQI
• LI QINQIN

Assignees

• 贵州大学

Dates

Publication Date

20260505

Application Date

20250418

Claims (5)

1. 1. A solid contact angle measurement device that considers surface modification, comprising: The device comprises a tray (6), wherein a drying assembly (2) is arranged above the tray (6), a lifting cylinder (20) is arranged at the bottom end of the tray (6), a clamping groove (16) corresponding to the drying assembly (2) is formed in the middle position of the tray (6), the clamping groove (16) is equally divided into three rectangular parts, each rectangular part is connected with a buckle (18), the buckle (18) can slide in the clamping groove (16) and is used for fixing a sample to be detected, and a leak hole (17) is formed in one end of the buckle (18) in a penetrating mode and is used for being connected with a drain pipe (11); The drying assembly (2), the drying assembly (2) comprises a drying box (21) connected with the tray (6), two exhaust fans (23) are embedded at the top of the drying box (21), heaters (22) are connected to two sides of the inside of the drying box (21), the bottom of the drying box (21) is not closed, a partition plate (26) is arranged in the drying box, and grooves (24) are formed in the inner sides of the fans (23) at the top of the drying box (21); The titration assembly (5), titration assembly (5) includes bracing piece (54), spout (52) have been seted up to bracing piece (54) inside, the inside sliding connection of spout (52) has slider (55), slider (55) bottom is connected with buret (56), slider (55) are connected with stroke subassembly throughout; And the contact angle measuring instrument (9), contact angle measuring instrument (9) one end is connected with support (7), support (7) are L type structure, support (7) keep away from contact angle measuring instrument (9) one end is installed tray (6) one end is used for measuring the fixed sample in tray (6) top.
2. 2. The solid contact angle measuring device considering surface modification as claimed in claim 1, wherein a supporting frame (1) is arranged at one end of the tray (6) far away from the bracket (7), a rotating ring (3) connected with the drying component (2) is connected above the tray (6) by the supporting frame (1), the rotating ring (3) is fixedly connected with the drying component (2), the rotating ring (3) is rotatable around the supporting frame (1) and is used for driving the drying component (2) to rotate, a fixed ring (28) is arranged at the bottom end of the rotating ring (3) and is used for being connected with the lifting cylinder (20), and a bottom plate (4) is connected at the bottom end of the supporting frame (1); Wherein, tray (6) bottom is located leak hole (17) corresponding position department is connected with drain pipe (11), drain pipe (11) bottom is connected with waste liquid bucket (10).
3. 3. A solid contact angle measuring device considering surface modification according to claim 2, wherein the stroke component comprises a servo motor (53) connected with the supporting rod (54), a screw rod (57) is connected to the output end of the servo motor (53), the screw rod (57) is connected with the sliding block (55) in a screwed mode, and a baffle (58) is arranged at the other end of the screw rod (57); The support rod (54) is provided with a lantern ring (51) at the joint of the support frame (1), a stepping motor (19) is arranged at the top end of the support frame (1), a limit groove (14) is formed at the intersection of the support frame (1) and the titration assembly (5), and the titration assembly (5) is driven to move up and down in the limit groove (14) under the operation of the stepping motor (19).
4. 4. A solid contact angle measuring device considering surface modification according to claim 3, characterized in that one end of the supporting frame (1) is connected with a cross rod (15), and a distilled water container (12) and three modification liquid containers (13) are arranged on the cross rod (15); Wherein, distilled water container (12) and modified liquid container (13) bottom all are connected with connecting pipe (8), connecting pipe (8) inside all is equipped with the valve for control distilled water container (12) and the circulation of modified liquid container (13) inside solution.
5. 5. A solid contact angle measuring device considering surface modification according to claim 1, wherein a push-pull plate (25) is arranged at one end of the drying box (21) positioned at the contact angle measuring instrument (9), and a through hole (27) is formed in the drying box (21) positioned at the bottom end of the heater (22).

Description

Solid contact angle measuring device considering surface modification Technical Field The utility model relates to the technical field of material surface performance test, in particular to a solid contact angle measuring device considering surface modification. Background In the field of material science, the surface performance of a material plays a vital role for the practical application of the material, the surface of the material is used as an interface in direct contact with the external environment, and is influenced by various complex factors, for example, the surface of a metal material is easy to corrode in a wet environment, so that the mechanical performance of the metal material is reduced, the surface of the material can be oxidized to change the original physical and chemical properties of the metal material in a high-temperature environment, and the service life of the material is influenced by abrasion in some occasions with frequent friction. In order to improve the surface performance of the material, the method can endow the surface of the material with various special capabilities such as hydrophilicity or hydrophobicity by changing the surface components of the material through chemical reagents, has important significance for the application of the material in the fields of water resistance, dirt resistance, biomedicine and the like, the material with the hydrophobic surface can be used for manufacturing products such as waterproof clothes, self-cleaning glass and the like, the hydrophilic surface is favorable for good combination of biological materials and biological tissues, in addition, the corrosion resistance of the material can be enhanced through surface modification, the service life of the material in severe environment is prolonged, the self-cleaning capability is endowed to the material, and the attachment of dust and dirt on the surface of the material is reduced. The wettability is used as one of key indexes for measuring the surface performance of a material, the characteristic is usually carried out by adopting a contact angle, the contact angle is an included angle between a gas-liquid interface and a solid-liquid interface at the intersection point of gas, liquid and solid phases, the wetting degree of liquid on the solid surface is intuitively reflected, however, the conventional contact angle measurement method has a plurality of defects, the conventional measurement steps are relatively scattered, a sample often needs to be transferred among a plurality of different devices or environments for a plurality of times in the whole measurement process, the measurement efficiency is greatly reduced, the time cost required by measurement is increased, the sample has a larger chance of being influenced by external pollutants in each transfer process, the pollution degree of the sample is increased, and meanwhile, the fluctuation can have a remarkable influence on the measurement precision due to the fact that the environmental temperature and the humidity are difficult to keep constant in different measurement links. In summary, the existing contact angle measurement technology has obvious defects in efficiency and precision, and a contact angle measurement device capable of integrating a plurality of links such as sample modification, drying, measurement and the like is urgently needed to be designed, so that the problems are effectively solved, the efficiency and the precision of contact angle measurement are improved, and more reliable technical support is provided for researching and optimizing the surface performance of materials. Disclosure of Invention In order to overcome the existing problems, the embodiment of the application provides a solid contact angle measuring device considering surface modification, which can measure the influence of different modification conditions on a contact angle when a sample is subjected to contact angle measurement integrating modification, drying and measurement, can avoid the influence of environmental temperature and humidity change in step operation on the sample, obviously shortens the measurement period of the contact angle and improves the measurement efficiency. The technical scheme adopted by the embodiment of the application for solving the technical problems is as follows: A solid contact angle measurement device that accounts for surface modification, comprising: The device comprises a tray, wherein a drying assembly is arranged above the tray, a clamping groove corresponding to the drying assembly is arranged at the middle position of the tray, the clamping groove is equally divided into three rectangular parts, each rectangular part is connected with a buckle, the buckle can slide in the clamping groove, the buckle is moved and fixed in a magnetic mode and used for fixing a sample to be tested, a leak hole penetrates through one end of the buckle and is connected with a drain pipe, and liquid is led into a waste li