Water drop angle tester

Abstract

The utility model relates to the technical field of optical measurement, in particular to a water drop angle tester. Comprising a base, a lower lifting driving mechanism, a test platform, an LED backlight source device, a camera assembly, a mounting seat, a lower position adjusting mechanism, an angle adjusting mechanism, a bracket arranged at the top of the LED backlight source device, and an upper lifting driving mechanism arranged on the bracket, the upper position adjusting mechanism is arranged at the lifting end of the upper lifting driving mechanism, the micro-injection device is arranged at the adjusting end of the upper position adjusting mechanism, the camera assembly is arranged at the adjusting end of the angle adjusting mechanism, and the micro-injection device is located above the testing platform. The position and the angle of the camera assembly are respectively adjusted through the lower position adjusting mechanism and the angle adjusting mechanism, so that the flexibility of the camera assembly is improved, the focal length and the angle of the camera assembly during water drop angle detection are conveniently adjusted, different detection requirements are met, and the accuracy of water drop angle detection is favorably improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to optical measurement technical field especially is a water drop angle tester. BACKGROUND

[0002] Water drop angle is used to show the size of the contact angle angle formed between liquid and solid, to judge the wetting property of liquid to solid, to analyze and determine the adhesion, cleanliness, hydrophobicity etc. of the surface of the object through the angle value, generally speaking, the greater the contact angle, the weaker the wetting property, which shows hydrophobic or hydrophobic, the smaller the contact angle, the stronger the wetting property, which shows hydrophilic. In the prior art, the Chinese patent document with the application number 201922425711.4 discloses a water drop angle tester, which comprises a base and a workbench, the base is provided with a platform adjusting device, the platform adjusting device is provided with a lifting device, the lifting device is provided with a fixing device between the workbench, one end of the base is provided with a main frame, the other end is provided with a secondary frame, the main frame is provided with a micro-injection device and an LED background light source device, the secondary frame is provided with a camera assembly, and the camera end of the camera assembly faces the LED background light source device. The position of the camera assembly of the patent document is fixed, and the angle thereof is not adjustable, so that the focal length and angle of the camera assembly during water drop angle testing cannot be adjusted, and different detection requirements cannot be met. Therefore, the defect is very obvious, and a solution needs to be provided. CONTENT OF THE UTILITY MODEL

[0003] In order to solve the above technical problems, the purpose of the utility model is to provide a water drop angle tester.

[0004] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0005] A water drop angle tester, which comprises a base, a lower lifting driving mechanism installed in the middle of the base, a test platform installed at the lifting end of the lower lifting driving mechanism, an LED backlight source device installed at one end of the base and located on one side of the test platform, a camera assembly arranged on the other side of the test platform and corresponding to the LED backlight source device, a mounting seat installed at the other end of the base, a lower position adjusting mechanism installed on the mounting seat, an angle adjusting mechanism installed at the adjusting end of the lower position adjusting mechanism, a bracket installed at the top of the LED backlight source device, an upper lifting driving mechanism installed on the bracket, an upper position adjusting mechanism installed at the lifting end of the upper lifting driving mechanism, and a micro-injection device installed at the adjusting end of the upper position adjusting mechanism, the camera assembly is installed at the adjusting end of the angle adjusting mechanism, and the micro-injection device is located above the test platform.

[0006] Further, the micro-injection device comprises an adjusting seat arranged on the adjusting end of the upper position adjusting mechanism, an injection cylinder arranged on the bottom of the adjusting seat, an injection head arranged on the lower end of the injection cylinder, an injection piston slidingly connected to the inner wall of the injection cylinder, a push block slidingly connected to the adjusting seat and connected to the top end of the injection piston, and an injection driver arranged on the top of the adjusting seat, the driving end of the injection driver being used to drive the push block to ascend and descend, and the injection head being located above the test platform.

[0007] Further, the push block is detachably connected with an L-shaped quick release member, the horizontal plate of the L-shaped quick release member is provided with a side-mounted through groove, the horizontal plate of the L-shaped quick release member and the bottom surface of the push block enclose a side-mounted groove, the side-mounted groove is in communication with the side-mounted through groove, the top end of the injection piston is provided with a T-shaped side-mounted head, the horizontal plate of the T-shaped side-mounted head is laterally inserted into the side-mounted through groove, and the vertical rod of the T-shaped side-mounted head penetrates through the side-mounted through groove, and the plane of the adjusting seat limits the T-shaped side-mounted head in the side-mounted groove.

[0008] Further, the vertical plate of the L-shaped quick release member is locked on the push block via a locking bolt.

[0009] Further, the adjusting seat is provided with a guide rod, and the push block slidingly penetrates through the guide rod.

[0010] Further, the top of the adjusting seat is provided with a vertical hole and a horizontal hole, the horizontal hole is in vertical communication with the vertical hole, the top end of the injection cylinder is provided with a horizontal plate, the horizontal plate is inserted into the horizontal hole, the top of the injection cylinder is accommodated in the vertical hole, and the injection piston extends into the vertical hole and is inserted into the injection cylinder.

[0011] Further, the injection cylinder is locked in the vertical hole of the adjusting seat via a locking bolt.

[0012] Further, the angle adjusting mechanism is an angle adjusting sliding table.

[0013] Further, the lower lifting driving mechanism comprises a guide column arranged on the base, a guide sleeve slidingly sleeved on the outside of the guide column, a connecting plate fixedly connected to the guide sleeve, and a locking bolt used to lock the guide sleeve on the guide column, the guide column is provided with a height scale line, and the test platform is arranged on the top end of the connecting plate.

[0014] Further, the bottom surface of the base is provided with a plurality of anti-skid supporting legs.

[0015] The utility model discloses beneficial effect: in practical application, the sample to be tested is placed on the test platform, and the height position of test platform and the sample to be tested is adjusted through the lower lifting drive mechanism, and the relative position of microinjection device and the sample to be tested on the test platform is adjusted through the upper position adjusting mechanism and the upper lifting drive mechanism cooperation, and the relative position of camera assembly and test platform is adjusted through the lower position adjusting mechanism, and the relative angle of camera assembly and test platform is adjusted through angle adjusting mechanism, after adjustment, microinjection device drops water drop on the sample to be tested, and then the light source is provided by LED back light source device, and camera assembly detects the water drop angle of water drop and the sample to be tested. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 It is the three-dimensional structure schematic diagram of the utility model.

[0017] Fig. 2 It is the three-dimensional structure schematic diagram of the utility model's upper lifting drive mechanism, upper position adjusting mechanism and microinjection device.

[0018] Fig. 3 It is the three-dimensional structure schematic diagram of the utility model's L type quick release spare.

[0019] BRIEF DESCRIPTION OF DRAWINGS:

[0020] 1, base, 2, lower lifting drive mechanism, 3, test platform, 4, LED back light source device, 5, camera assembly, 6, mounting seat, 7, lower position adjusting mechanism, 8, angle adjusting mechanism, 9, support, 10, upper lifting drive mechanism, 11, upper position adjusting mechanism, 12, microinjection device, 13, adjusting seat, 14, injection cylinder, 15, injection head, 16, injection piston, 17, push piece, 18, injection driver, 19, L type quick release spare, 20, side installation through groove, 21, side installation groove, 22, T type side installation head, 23, locking bolt, 24, guide rod, 25, vertical hole, 26, horizontal hole, 27, horizontal plate, 28, locking bolt, 29, guide column, 30, guide sleeve, 31, connecting plate, 32, locking bolt, 33, antiskid supporting leg. DETAILED DESCRIPTION

[0021] In order to facilitate the understanding of those skilled in the art, the utility model is further explained below in conjunction with the embodiment and the drawings, and the content mentioned in the embodiment is not the limitation of the utility model.

[0022] As Figs. 1 to 3The utility model provides a water drop angle tester, which comprises a base 1, a lower lifting driving mechanism 2 arranged at the middle part of the base 1, a test platform 3 arranged at the lifting end of the lower lifting driving mechanism 2, an LED backlight source device 4 arranged at one end of the base 1 and located at one side of the test platform 3, a camera assembly 5 arranged at the other side of the test platform 3 and corresponding to the LED backlight source device 4, a mounting seat 6 arranged at the other end of the base 1, a lower position adjusting mechanism 7 arranged at the lower position of the mounting seat 6, an angle adjusting mechanism 8 arranged at the adjusting end of the lower position adjusting mechanism 7, a support 9 arranged at the top of the LED backlight source device 4, an upper lifting driving mechanism 10 arranged at the support 9, an upper position adjusting mechanism 11 arranged at the lifting end of the upper lifting driving mechanism 10, and a micro-injection device 12 arranged at the adjusting end of the upper position adjusting mechanism 11. The camera assembly 5 is arranged at the adjusting end of the angle adjusting mechanism 8, and the micro-injection device 12 is located above the test platform 3.

[0023] In actual application, the sample to be tested is placed on the test platform 3, the height position of the test platform 3 and the sample to be tested is adjusted through the lower lifting driving mechanism 2, the relative position of the micro-injection device 12 and the sample to be tested on the test platform 3 is adjusted through the upper position adjusting mechanism 11 and the upper lifting driving mechanism 10, the relative position of the camera assembly 5 and the test platform 3 is adjusted through the lower position adjusting mechanism 7, the relative angle of the camera assembly 5 and the test platform 3 is adjusted through the angle adjusting mechanism 8, after adjustment, the micro-injection device 12 drops water drops on the sample to be tested, then the LED backlight source device 4 provides light source, and the camera assembly 5 detects the water drop angle of the water drop contacting the sample to be tested. The utility model adjusts the position and angle of the camera assembly 5 through the lower position adjusting mechanism 7 and the angle adjusting mechanism 8 respectively, improves the flexibility of the camera assembly 5, and facilitates the adjustment of the focal length and angle of the camera assembly 5 during water drop angle detection, so as to meet different detection requirements and improve the accuracy of water drop angle detection.

[0024] Specifically, the test platform 3 is provided with a fixing structure for fixing the sample to be tested on the test platform 3, so as to ensure the position accuracy and stability of the sample to be tested on the test platform 3.

[0025] In the embodiment, the micro-injection device 12 comprises an adjusting seat 13 arranged at the adjusting end of the upper position adjusting mechanism 11, an injection cylinder 14 arranged at the bottom of the adjusting seat 13, an injection head 15 arranged at the lower end of the injection cylinder 14, an injection piston 16 slidingly connected to the inner wall of the injection cylinder 14, a push block 17 liftingly and slidingly connected to the adjusting seat 13 and connected to the top end of the injection piston 16, and an injection driver 18 arranged at the top of the adjusting seat 13. The driving end of the injection driver 18 is used for driving the push block 17 to lift, and the injection head 15 is located above the test platform 3. Specifically, the injection driver 18 can adopt a micrometer.

[0026] In practical application, when water droplet needs to be dropped on the sample to be tested on the test platform 3, the push block 17 is driven to move downward by the injection driver 18, the injection piston 16 is driven to move downward by the downward push block 17, the water body in the injection cylinder 14 is pushed downward by the downward injection piston 16, and the water body forms water droplet via the injection head 15 and drops on the sample to be tested.

[0027] In the embodiment, the push block 17 is detachably connected with the L-shaped quick release 19, the horizontal plate of the L-shaped quick release 19 is provided with a side-mounted through groove 20, the horizontal plate of the L-shaped quick release 19 and the bottom surface of the push block 17 enclose a side-mounted groove 21, the side-mounted groove 21 is communicated with the side-mounted through groove 20, the top end of the injection piston 16 is provided with a T-shaped side-mounted head 22, the flat plate of the T-shaped side-mounted head 22 is inserted laterally in the side-mounted through groove 20, the vertical rod of the T-shaped side-mounted head 22 penetrates the side-mounted through groove 20, and the plane of the adjusting seat 13 limits the T-shaped side-mounted head 22 in the side-mounted groove 21.

[0028] In assembly, the T-shaped side-mounted head 22 on the injection piston 16 is inserted laterally in the L-shaped quick release 19, so that the flat plate of the T-shaped side-mounted head 22 is located on the horizontal plate of the L-shaped quick release 19, and the vertical rod of the T-shaped side-mounted head 22 penetrates the side-mounted through groove 20, then the L-shaped quick release 19 assembled with the T-shaped side-mounted head 22 is assembled on the push block 17, so that the L-shaped quick release 19 and the push block 17 enclose the side-mounted groove 21, the flat plate of the T-shaped side-mounted head 22 is located in the side-mounted groove 21, and the vertical plane of the adjusting seat 13 blocks the T-shaped side-mounted head 22, so as to avoid the T-shaped side-mounted head 22 from being separated or loosened from the L-shaped quick release 19.

[0029] In the embodiment, the vertical plate of the L-shaped quick release 19 is locked on the push block 17 via the locking bolt 23. The structure design facilitates the disassembly and assembly of the L-shaped quick release 19 and the push block 17, and makes the connection firm.

[0030] In the embodiment, the adjusting seat 13 is provided with the guide rod 24, and the push block 17 slides through the guide rod 24. When the push block 17 moves up and down, the guide rod 24 plays a guiding role for the push block 17, and improves the stability of the push block 17 in moving up and down.

[0031] In the embodiment, the top of the adjusting seat 13 is provided with the vertical hole 25 and the horizontal hole 26, the horizontal hole 26 is vertically communicated with the vertical hole 25, the top end of the injection cylinder 14 is provided with the horizontal plate 27, the horizontal plate 27 is inserted in the horizontal hole 26, the top of the injection cylinder 14 is accommodated in the vertical hole 25, and the injection piston 16 extends into the vertical hole 25 and is inserted into the injection cylinder 14. The structure design facilitates the disassembly and assembly of the injection cylinder 14 and the adjusting seat 13, and makes the structure of the injection cylinder 14 and the adjusting seat 13 compact.

[0032] In the embodiment, the injection cylinder 14 is locked in the vertical hole 25 of the adjusting seat 13 through the locking bolt 28. The structure design makes the assembly of the injection cylinder 14 and the adjusting seat 13 firm, and facilitates the disassembly of the injection cylinder 14 and the adjusting seat 13.

[0033] In the embodiment, the angle adjusting mechanism 8 is an angle adjusting sliding table.

[0034] In the embodiment, the lower lifting driving mechanism 2 comprises a guide column 29 arranged on the base 1, a guide sleeve 30 sleeved on the guide column 29, a connecting plate 31 fixedly connected to the guide sleeve 30, and a locking bolt 32 for locking the guide sleeve 30 on the guide column 29. The guide column 29 is provided with a height scale line, and the test platform 3 is arranged on the top end of the connecting plate 31.

[0035] In actual application, when the height of the test platform 3 needs to be adjusted, the locking bolt 32 is loosened, so that the guide sleeve 30 can drive the connecting plate 31 and the test platform 3 to move up and down along the guide column 29, thereby adjusting the height position of the test platform 3. After the adjustment is completed, the locking bolt 32 is tightened, so that the locking bolt 32 locks the guide sleeve 30 on the guide column 29, thereby fixing the height position of the test platform 3.

[0036] In the embodiment, the bottom surface of the base 1 is provided with a plurality of anti-skid feet 33. The anti-skid feet 33 are made of rubber material, which not only plays an anti-skid role, but also plays a buffering and damping role.

[0037] All the technical features in the embodiment can be freely combined according to actual needs.

[0038] The above embodiment is a preferred implementation scheme of the present application. In addition to this, the present application can also be implemented in other ways, and any obvious replacement without departing from the technical scheme concept is within the protection scope of the present application.

Claims

1. A water drop angle tester characterized by: The device comprises a base (1), a lower lifting driving mechanism (2) installed at the middle of the base (1), a test platform (3) installed at the lifting end of the lower lifting driving mechanism (2), an LED backlight device (4) installed at one end of the base (1) and located at one side of the test platform (3), a camera assembly (5) arranged at the other side of the test platform (3) and corresponding to the LED backlight device (4), a mounting seat (6) installed at the other end of the base (1), a lower position adjusting mechanism (7) installed at the lower position of the mounting seat (6), an angle adjusting mechanism (8) installed at the adjusting end of the lower position adjusting mechanism (7), a support (9) installed at the top of the LED backlight device (4), an upper lifting driving mechanism (10) installed at the support (9), an upper position adjusting mechanism (11) installed at the lifting end of the upper lifting driving mechanism (10), and a micro-injection device (12) installed at the adjusting end of the upper position adjusting mechanism (11), wherein the camera assembly (5) is installed at the adjusting end of the angle adjusting mechanism (8), and the micro-injection device (12) is located above the test platform (3).

2. The water drop angle tester of claim 1, wherein: The micro-injection device (12) comprises an adjusting seat (13) installed at the adjusting end of the upper position adjusting mechanism (11), an injection cylinder (14) installed at the bottom of the adjusting seat (13), an injection head (15) installed at the lower port of the injection cylinder (14), an injection piston (16) slidingly connected to the inner wall of the injection cylinder (14), a push block (17) liftingly and slidingly connected to the adjusting seat (13) and connected to the top end of the injection piston (16), and an injection driver (18) installed at the top of the adjusting seat (13), wherein the driving end of the injection driver (18) is used to drive the push block (17) to lift, and the injection head (15) is located above the test platform (3).

3. The water drop angle tester of claim 2, wherein: The push block (17) is detachably connected with an L-shaped quick release part (19), the horizontal plate of the L-shaped quick release part (19) is provided with a side-mounted through groove (20), the horizontal plate of the L-shaped quick release part (19) and the bottom surface of the push block (17) surround a side-mounted groove (21), the side-mounted groove (21) is in communication with the side-mounted through groove (20), the top end of the injection piston (16) is provided with a T-shaped side-mounted head (22), the flat plate side of the T-shaped side-mounted head (22) is inserted into the side-mounted through groove (20), the vertical rod of the T-shaped side-mounted head (22) penetrates the side-mounted through groove (20), and the plane of the adjusting seat (13) limits the T-shaped side-mounted head (22) in the side-mounted groove (21).

4. The water drop angle tester of claim 3, wherein: The vertical plate of the L-shaped quick release part (19) is locked on the push block (17) through a locking bolt (23).

5. The water drop angle tester of claim 2, wherein: The adjusting seat (13) is provided with a guide rod (24), and the push block (17) slidingly penetrates the guide rod (24).

6. The water drop angle tester of claim 2, wherein: The top of the adjusting seat (13) is provided with a vertical hole (25) and a horizontal hole (26), the horizontal hole (26) is in perpendicular communication with the vertical hole (25), the top end of the injection cylinder (14) is provided with a horizontal plate (27), the horizontal plate (27) is inserted into the horizontal hole (26), the top of the injection cylinder (14) is accommodated in the vertical hole (25), and the injection piston (16) extends into the vertical hole (25) and is inserted into the injection cylinder (14).

7. The water drop angle tester of claim 6, wherein: The injection cylinder (14) is locked in the vertical hole (25) of the adjusting seat (13) via the locking bolt (28).

8. The water drop angle tester of claim 1, wherein: The angle adjusting mechanism (8) is an angle adjusting slide.

9. The water drop angle tester of claim 1, wherein: The lower lifting driving mechanism (2) comprises a guide column (29) arranged on the base (1), a guide sleeve (30) sleeved on the guide column (29), a connecting plate (31) fixedly connected to the guide sleeve (30), and a locking bolt (32) for locking the guide sleeve (30) on the guide column (29), and the guide column (29) is provided with a height scale line, and the test platform (3) is arranged on the top end of the connecting plate (31).

10. The water drop angle tester of claim 1, wherein: The bottom surface of the base (1) is provided with a plurality of anti-skid feet (33).

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