CN215865115U

CN215865115U - Contact angle measuring instrument provided with automatic liquid dropping device

Info

Publication number: CN215865115U
Application number: CN202121810581.7U
Authority: CN
Inventors: 陶维春
Original assignee: Oulanda Instrument Technology Suzhou Co ltd
Current assignee: Oulanda Instrument Technology Suzhou Co ltd
Priority date: 2021-08-04
Filing date: 2021-08-04
Publication date: 2022-02-18
Anticipated expiration: 2031-08-04

Abstract

The utility model discloses a contact angle measuring instrument with an automatic liquid dropping device, relating to the field of measuring instruments, and the technical scheme is as follows: the sample injection device comprises a main frame, be fixed with the camera lens mounting bracket on the main frame, be provided with camera lens and camera on the camera lens mounting bracket, one side of camera lens mounting bracket is provided with sample platform installation mechanism, one side that camera lens mounting bracket was kept away from to sample platform installation mechanism is provided with dropping liquid mechanism, dropping liquid mechanism includes first mounting bracket and fixes the second mounting bracket on first mounting bracket, be fixed with first slide rail on the second mounting bracket, sliding connection has first slider on the first slide rail, be fixed with the mounting panel on the first slider, be provided with the injector on the mounting panel. The utility model can accurately control the volume of the liquid drop during the liquid dropping, and solves the problem of low measurement precision of the manual liquid dropping device.

Description

Contact angle measuring instrument provided with automatic liquid dropping device

Technical Field

The utility model relates to the technical field of measuring instruments, in particular to a contact angle measuring instrument with an automatic liquid dropping device.

Background

In the prior art, a manual dropping liquid measuring instrument is generally adopted in the market, the manual dropping liquid measuring instrument has the problem of low measuring precision, and particularly, when different operators or the same operator repeatedly operates for many times, the error is particularly obvious.

SUMMERY OF THE UTILITY MODEL

The utility model solves the technical problem of providing a full-automatic titration contact angle measuring instrument capable of accurately controlling the volume of liquid drops, and has the advantages of high automation degree and high liquid drop precision.

The technical scheme adopted by the utility model for solving the technical problems is as follows: a contact angle measuring instrument with an automatic liquid dropping device comprises a main frame, wherein a lens mounting rack is fixed on the main frame, a lens and a camera are arranged on the lens mounting rack, a first knob for adjusting the angle of the lens and a second knob for adjusting the focal length of the lens are also arranged on the lens mounting rack, a sample table mounting mechanism is arranged on one side of the lens mounting rack, a liquid dropping mechanism is arranged on one side, away from the lens mounting rack, of the sample table mounting mechanism, the liquid dropping mechanism comprises a first mounting rack and a second mounting rack fixed on the first mounting rack, a first slide rail is fixed on the second mounting rack, a first slide block is connected on the first slide rail in a sliding manner, a first threaded groove which is communicated with the first slide block is formed in the sliding direction of the first slide block, a first motor is fixed on the second mounting rack, and a first lead screw is fixedly connected at the output end of the first motor, one end of the first screw rod, which is far away from the first motor, is connected with the first thread groove in a threaded manner, a mounting plate is fixed on the first sliding block, a second slide rail is fixed on the mounting plate, a second slide block is connected on the second slide rail in a sliding way, a second threaded groove which is communicated with the second sliding block is arranged on the second sliding block along the sliding direction of the second sliding block, a second motor is fixed on the mounting plate, a second screw rod is fixed at the output end of the second motor, one end of the second screw rod, which is far away from the second motor, is connected with a second thread groove in a threaded manner, the mounting plate is also provided with a sample injector, and also comprises a push rod and a needle body, one end of the push rod is fixedly connected with the second slide block, the other end of the push rod extends into the sample injector, the needle body is arranged at the bottom end of the sample injector, the sample injector further comprises a single chip microcomputer controller, and the first motor and the second motor are both electrically connected with the single chip microcomputer controller.

In one embodiment, the sample stage installation mechanism comprises a sample stage installation frame and a sample stage installed on the sample stage installation frame, a fixing plate fixed on the main frame is installed at the bottom of the sample stage installation frame, an X-axis direction slide rail, a Y-axis direction slide rail and a slide plate sliding on the X-axis direction slide rail and the Y-axis direction slide rail are installed on the fixing plate, the sample stage installation frame is installed on the slide plate, a fifth knob for controlling the slide plate to slide on the X-axis direction slide rail and a sixth knob for controlling the slide plate to slide on the Y-axis direction slide rail are installed on the slide plate, the fifth knob is arranged on the upper portion of the sixth knob, and a seventh knob for driving the sample stage to ascend and descend along the Z-axis direction is installed on the sample stage installation frame.

In one embodiment, the sample stage further comprises a backlight source, a knob for adjusting the brightness of the backlight source, a power switch, a power interface and a switch, wherein the backlight source is arranged on the first mounting frame and close to one side of the sample stage mounting frame, the knob and the power switch are arranged on the first mounting frame and are arranged at a right angle with the backlight source, and the power interface is arranged on the first mounting frame and is opposite to the backlight source.

In one embodiment, supporting legs are arranged on the periphery of the bottom of the main frame.

In one embodiment, the backlight source is an LED cold light source.

The utility model has the beneficial effects that: adopt first motor of single chip microcomputer controller control and second motor, can accomplish the automatic dropping liquid of single according to single chip microcomputer controller, the automatic dropping liquid of circulation, automatic drawing liquid and automatic rising, slide on first slide rail according to the first slider of the first motor drive of different dropping liquid modes, thereby realize different altitude mixture control, second motor drive second slider slides on the second slide rail, it impels or takes out to drive the push rod in the injector, thereby accomplish the requirement of dropping liquid and imbibition, and but the accurate control liquid drop volume during the dropping liquid, the problem that manual type dropping liquid device exists measurement accuracy low has been solved.

Drawings

Fig. 1 is a schematic structural diagram of a contact angle measuring instrument provided with an automatic dropping device.

Labeled as: the device comprises a main frame 1, a lens mounting frame 2, a camera 21, a lens 22, a second knob 23, a sample stage mounting mechanism 3, a sample stage mounting frame 31, a sample stage 32, a dripping mechanism 4, a first mounting frame 41, a second mounting frame 42, a first sliding block 43, a mounting plate 44, a sample injector 441, a second sliding block 45 and a push rod; 451. the needle body 452, the singlechip controller 46, the first motor 47, the second motor 48, the backlight source 5, the knob 51, the power switch 52, the fixing plate 6, the sliding plate 7, the fifth knob 8, the sixth knob 9, the seventh knob 10 and the supporting legs 11.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

As shown in fig. 1, a contact angle measuring instrument provided with an automatic dropping device comprises a main frame 1, a lens mounting frame 2 is fixed on the main frame 1, a lens 22 and a camera 21 are arranged on the lens mounting frame 2, a first knob for adjusting the angle of the lens 22 and a second knob 23 for adjusting the focal length of the lens 22 are further arranged on the lens mounting frame 2, a sample stage mounting mechanism 3 is arranged on one side of the lens mounting frame 2, a dropping mechanism 4 is arranged on one side of the sample stage mounting mechanism 3 away from the lens mounting frame 2, the dropping mechanism 4 comprises a first mounting frame 41 and a second mounting frame 42 fixed on the first mounting frame 41, a first slide rail is fixed on the second mounting frame 42, a first slide block 43 is connected on the first slide rail in a sliding manner, a first through thread groove is formed on the first slide block 43 along the sliding direction thereof, a first motor 47 is fixed on the second mounting frame 42, a first lead screw is fixedly connected to an output end of the first motor 47, one end of the first lead screw, which is far away from the first motor 47, is in threaded connection with a first thread groove, a mounting plate 44 is fixed on the first slider 43, a second slide rail is fixed on the mounting plate 44, a second slider 45 is connected on the second slide rail in a sliding manner, a through second thread groove is formed in the second slider 45 along the sliding direction of the second slider, a second motor 48 is fixed on the mounting plate 44, a second lead screw is fixed at an output end of the second motor 48, one end of the second lead screw, which is far away from the second motor 48, is in threaded connection with the second thread groove, a sample injector 441 is further arranged on the mounting plate 44, and further comprises a push rod 451 and a second slider 452, one end of the push rod 451 is fixedly connected with the second slider 45, and the other end of the push rod 451 extends into the sample injector 441, the needle body 452 sets up in the bottom of injector 441, still includes single chip microcomputer controller 46, first motor 47 and second motor 48 all with single chip microcomputer controller 46 electric connection.

It should be noted that the single chip microcomputer controller 46 is used for controlling the first motor 47 and the second motor 48 to work, and the specific implementation thereof is the prior art, and is not described in detail in this embodiment.

During operation, use camera 21 and camera lens 22 to observe and shoot, first knob can adjust window image level, can also form the shooting effect of looking up or overlooking, second knob 23 rotation can focus regulation, make the image reach best clear effect, adopt host computer software send instruction, single chip microcomputer controller 46 controls first motor 47 and drives mounting panel 44 lift in order to reach required height, second motor 48 drives second slider 45 and slides on the second slide rail, it impels or takes out to drive push rod 451 in injector 441, thereby accomplish the requirement of dropping liquid and imbibition, and but accurate control liquid drop volume during the dropping liquid, but solved manual type dropping liquid device and had the problem that measuring accuracy is low.

On the basis, as shown in fig. 1, sample platform installation mechanism 3 includes sample platform mounting bracket 31 and installs the sample platform 32 on sample platform mounting bracket 31, fixed plate 6 on main frame 1 is installed to the bottom of sample platform mounting bracket 31, install X axle direction slide rail, Y axle direction slide rail and gliding slide 7 on X axle direction slide rail and Y axle direction slide rail on fixed plate 6, sample platform mounting bracket 31 is installed on slide 7, install gliding fifth knob 8 of control slide 7 on X axle direction slide rail and gliding sixth knob 9 of control slide 7 on Y axle direction slide rail on slide 7, fifth knob 8 sets up the upper portion at sixth knob 9, install the seventh knob 10 that drive sample platform 32 goes up and down along the Z axle direction on sample platform mounting bracket 31.

The sliding plate 7 is controlled to slide on the X-axis direction sliding rail by rotating the fifth knob 8, the sliding plate 7 is controlled to slide on the Y-axis direction sliding rail by rotating the sixth knob 9, the sample table 32 is driven to lift along the Z-axis direction by rotating the seventh knob 10, three-axis linkage is realized, large-scale movement can be easily realized without generating slight shaking and inclination, the moving stability and the positioning accuracy are ensured, and the utilization rate and the working efficiency of the sample table 32 are improved.

On the basis, as shown in fig. 1, the sample stage further includes a backlight source 5, a knob 51 and a power switch 52 for adjusting the brightness of the backlight source, wherein the backlight source is disposed on the first mounting frame 41 and close to one side of the sample stage mounting frame 31, the knob 51 and the power switch 52 are disposed on the first mounting frame 41 and arranged at a right angle to the backlight source 5, and the power switch further includes a power interface disposed on the first mounting frame 41 and arranged opposite to the backlight source 5.

The brightness of the backlight 5 is adjusted by rotating the knob 51, so that the outline of the shot image is clear and is not distorted, and the image achieves the best clear effect.

On the basis, as shown in fig. 1, supporting legs 11 are installed around the bottom of the main frame 1, and the supporting legs 11 make the measuring instrument more stable during operation, thereby improving the measuring effect.

On the basis, as shown in fig. 1, the backlight source 5 is an LED cold light source; the LED cold light source has the advantages of long service life, large brightness adjusting range, safety and environmental protection.

The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a be provided with contact angle measuring apparatu of automatic dropping device, includes main frame (1), its characterized in that: the device is characterized in that a lens mounting frame (2) is fixed on the main frame (1), a lens (22) and a camera (21) are arranged on the lens mounting frame (2), a first knob for adjusting the angle of the lens (22) and a second knob (23) for adjusting the focal length of the lens (22) are further arranged on the lens mounting frame (2), a sample table mounting mechanism (3) is arranged on one side of the lens mounting frame (2), a liquid dropping mechanism (4) is arranged on one side, away from the lens mounting frame (2), of the sample table mounting mechanism (3), the liquid dropping mechanism (4) comprises a first mounting frame (41) and a second mounting frame (42) fixed on the first mounting frame (41), a first slide rail is fixed on the second mounting frame (42), a first sliding block (43) is connected on the first slide rail in a sliding manner, and a first through thread groove is formed in the first sliding block (43) along the sliding direction, a first motor (47) is fixed on the second mounting frame (42), a first lead screw is fixedly connected with the output end of the first motor (47), one end of the first lead screw, which is far away from the first motor (47), is in threaded connection with a first thread groove, a mounting plate (44) is fixed on the first slider (43), a second sliding rail is fixed on the mounting plate (44), a second slider (45) is in sliding connection with the second sliding rail, a through second thread groove is formed in the second slider (45) along the sliding direction of the second slider, a second motor (48) is fixed on the mounting plate (44), a second lead screw is fixed at the output end of the second motor (48), one end of the second lead screw, which is far away from the second motor (48), is in threaded connection with the second thread groove, a sample injector (441) is further arranged on the mounting plate (44), and a push rod (451) and a needle body (452) are further included, the one end and the second slider (45) fixed connection of push rod (451), the other end of push rod (451) stretches into in injector (441), needle body (452) set up the bottom in injector (441), still include single chip microcomputer controller (46), first motor (47) and second motor (48) all with single chip microcomputer controller electric connection.

2. A contact angle measuring instrument provided with an automatic dripping device as set forth in claim 1, wherein: the sample table mounting mechanism (3) comprises a sample table mounting rack (31) and a sample table (32) mounted on the sample table mounting rack (31), the bottom of the sample table mounting rack (31) is provided with a fixed plate (6) fixed on the main frame (1), an X-axis direction slide rail, a Y-axis direction slide rail and a slide plate (7) which slides on the X-axis direction slide rail and the Y-axis direction slide rail are arranged on the fixed plate (6), the sample table mounting rack (31) is arranged on the sliding plate (7), a fifth knob (8) for controlling the sliding plate (7) to slide on the sliding rail in the X-axis direction and a sixth knob (9) for controlling the sliding plate (7) to slide on the sliding rail in the Y-axis direction are arranged on the sliding plate (7), the fifth knob (8) is arranged at the upper part of the sixth knob (9), and a seventh knob (10) for driving the sample table (32) to ascend and descend along the Z-axis direction is installed on the sample table mounting frame (31).

3. A contact angle measuring instrument provided with an automatic dripping device as set forth in claim 1, wherein: still include backlight (5), adjust knob (51) and switch (52) of backlight luminance, the backlight sets up on first mounting bracket (41) and is close to one side of sample platform mounting bracket (31), knob (51) and switch (52) set up on first mounting bracket (41) and are the right angle setting with backlight (5), still include power source, power source sets up on first mounting bracket (41) and sets up with backlight (5) relatively.

4. A contact angle measuring instrument provided with an automatic dripping device as set forth in claim 1, wherein: supporting legs (11) are installed around the bottom of the main frame (1).

5. A contact angle measuring instrument provided with an automatic dripping device according to claim 3, wherein: the backlight source (5) is an LED cold light source.