CN219777339U - Glass scratch resistance detection device - Google Patents

Abstract

The utility model belongs to the technical field of glass scratch resistance detection, and provides a glass scratch resistance detection device, which comprises: the base is provided with a detection position for placing glass to be detected; the first driving device is arranged on the base; the scratching module is connected with the first driving device and comprises a pressure sensor, a probe and an elastic piece, wherein the pressure sensor is electrically connected with the first driving device, and two ends of the elastic piece are respectively connected with the pressure sensor and the probe; the second driving device is connected with the first driving device or the base, and the second driving device can drive the first driving device or the base to move along the second direction. According to the glass scratch resistance detection device, the scratch module is connected with the first driving device, and the pressure sensor is electrically connected with the first driving device, so that the height of the probe is adjusted in real time, and the glass scratch resistance detection device is suitable for detection of glass to be detected with a curved surface structure.

Description

Glass scratch resistance detection device

Technical Field

The utility model belongs to the technical field of glass scratch resistance detection, and particularly relates to a glass scratch resistance detection device.

Background

Cover glass used in touch electronic products on the market is required to be subjected to various performance tests before sale, wherein one test is a scratch resistance experiment on the surface of the cover glass, and the experiment needs to randomly extract one piece of cover glass to detect scratch resistance.

At present, the main method for scratch resistance detection of glass is glass pencil scratch test. On one hand, the test method is poor in precision, reproducibility and repeatability. On the other hand, the strength of the mobile phone cover plate glass is higher, and the mobile phone cover plate glass is beyond the range of pencil scratch test and is not applicable. In order to aim at the scratch resistance test of the current mobile phone cover plate glass, a flat glass scratch test device adopting a Rockwell probe and a Knoop probe is developed, but along with the development of a 3D hot bending technology, most of current glass products are of a curved surface structure, the height of the probe cannot be adjusted according to the curved surface structure of the glass to be detected by the current flat glass scratch test device, so that the probe cannot apply the same detection pressure in the glass to be detected of the curved surface structure, and the scratch resistance of the glass to be detected of the curved surface structure is difficult to detect.

Disclosure of Invention

The embodiment of the utility model aims to provide a glass scratch resistance detection device, which aims to solve the technical problems that the glass scratch resistance detection device in the prior art cannot adjust the height of a probe in real time, so that the probe cannot apply the same detection pressure on glass to be detected with a curved surface structure any more, and the glass to be detected with the curved surface structure is difficult to detect the scratch resistance.

In order to achieve the above purpose, the utility model adopts the following technical scheme: provided is a glass scratch resistance detection device, comprising: the glass detection device comprises a base, wherein a detection position for placing glass to be detected is arranged on the base; the first driving device is arranged on the base; the scratching module is connected with the first driving device and comprises a pressure sensor, a probe and an elastic piece, wherein the pressure sensor is electrically connected with the first driving device, two ends of the elastic piece are respectively connected with the pressure sensor and the probe, and the first driving device can drive the scratching module to be close to or far away from the detection position along a first direction; the second driving device is connected with the first driving device or the base, and the second driving device can drive the first driving device or the base to move along a second direction.

The glass scratch resistance detection device provided by the utility model has the beneficial effects that: compared with the prior art, the glass scratch resistance detection device has the advantages that the first driving device is arranged on the base, the scratch module is connected with the first driving device, the scratch module comprises the pressure sensor, the probe and the elastic piece, the pressure sensor and the probe are respectively arranged at two ends of the elastic piece, and meanwhile, the second driving device is arranged on the first driving device or the base. When scratch resistance detection is required to be carried out on glass to be detected, the first driving device drives the scratching module to move along a first direction and contact the glass to be detected on a detection position, then the first driving device continues to drive the scratching module to move along the first direction until the pressure exerted by the probe on the glass to be detected reaches a set detection pressure, in the process, the pressure sensor is gradually close to the probe, the elastic piece is continuously compressed, so that the reset elastic force exerted by the elastic piece on the probe and the pressure sensor is continuously increased until the feedback detection pressure of the pressure sensor reaches the set value; similarly, the second driving device drives the first driving device or the base to move, so that when the probe strokes the surface of glass to be detected along the second direction, the probe can elastically move to be close to or far away from the pressure sensor along with the sliding of the probe on the glass to be detected of the curved surface structure, in the process, the pressure sensor can continuously feed back the pressure value to the first driving device according to the detected pressure value, and the first driving device can apply constant detection pressure to the glass to be detected by the probe by adjusting the distance between the stroke module and the detection position, so that the glass to be detected of different curved surface structures is adaptively detected.

In one embodiment, the first driving device comprises a support, a first driver and a transmission rod, the support is arranged on the base, the first driver is arranged on the support, and two ends of the transmission rod are respectively connected with the first driver and the rowing module.

In one embodiment, the first driving device further comprises a first guide rail, the first guide rail is arranged on the support, and the scratching module is in sliding connection with the first guide rail.

In one embodiment, the first driver is a servo motor.

In one embodiment, the probe comprises a slider and a needle body, wherein the slider abuts against one end of the elastic piece, which is away from the pressure sensor, and the needle body is connected with the slider.

In one embodiment, the probe further comprises a baffle plate, the baffle plate is arranged on the sliding block, the baffle plate abuts against one end, away from the pressure sensor, of the elastic piece, and the needle body is detachably connected with the baffle plate.

In one embodiment, the first driving device includes a guide plate, a second guide rail is disposed on the guide plate, a chute is disposed on the base, and the second guide rail is slidably disposed in the chute, or a second guide rail is disposed on the base, a chute is disposed on the guide plate, and the second guide rail is slidably disposed in the chute.

In one embodiment, the second guide rail is in a dovetail-shaped structure, and the sliding groove is in a dovetail-shaped structure.

In one embodiment, the elastic member is a spring.

In one embodiment, the vacuum pump is arranged on the base, a plurality of adsorption holes are formed in the base, and the vacuum pump is communicated with the adsorption holes.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a front view of a glass scratch resistance detection device provided by an embodiment of the utility model;

fig. 2 is a side view of the glass scratch resistance detection device shown in fig. 1.

Wherein, each reference sign in the figure:

10. a base; 11. a second guide rail; 12. adsorption holes;

20. a first driving device; 21. a bracket; 22. a first driver; 23. a transmission rod; 24. a first guide rail; 25. a guide plate; 251. a chute;

30. drawing a module; 31. a pressure sensor; 32. a probe; 321. a slide block; 322. a needle body; 323. a baffle; 33. an elastic member;

40. a second driving device;

y, first direction;

x, second direction.

Detailed Description

In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are merely for convenience in describing and simplifying the description based on the orientation or positional relationship shown in the drawings, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent.

Referring to fig. 1 and fig. 2 together, a device for detecting scratch resistance of glass according to an embodiment of the utility model will now be described. The glass scratch resistance detection device comprises a base 10, a first driving device 20, a scratch module 30 and a second driving device 40.

The base 10 is provided with a detection position for placing glass to be detected; the first driving device 20 is arranged on the base 10; the scratching module 30 is connected with the first driving device 20, the scratching module 30 comprises a pressure sensor 31, a probe 32 and an elastic piece 33, the pressure sensor 31 is electrically connected with the first driving device 20, two ends of the elastic piece 33 are respectively connected with the pressure sensor 31 and the probe 32, and the first driving device 20 can drive the scratching module 30 to approach or separate from a detection position along a first direction; the second driving device 40 is connected to the first driving device 20 or the base 10, and the second driving device 40 can drive the first driving device 20 or the base 10 to move along a second direction, wherein the first direction and the second direction are perpendicular to each other.

For example, as shown in fig. 1 and 2, the base 10 has a horizontal plate structure, the first driving device 20 is installed on the base 10, and the first driving device 20 can drive the scratching module 30 to move along a first direction, so that the probe 32 is close to or far from the glass to be detected on the detection position. The second driving device 40 can drive the sliding module 30 and the glass to be inspected to move relatively in a second direction, so that the probe 32 can slide across the surface of the glass to be inspected. During the detection process, the pressure sensor 31 can transmit the detected pressure data to the first driving device 20, so that the detection pressure applied by the probe 32 to the glass to be detected can be adjusted in real time along with the curved surface structure on the glass to be detected.

In this embodiment, the second driving device 40 is connected to the first driving device 20, and the second driving device 40 can drive the first driving device 20 and the rowing module 30 to move.

Compared with the prior art, the glass scratch resistance detection device provided by the utility model has the advantages that the first driving device 20 is arranged on the base 10, the scratch module 30 is connected with the first driving device 20, the scratch module 30 comprises the pressure sensor 31, the probe 32 and the elastic piece 33, the pressure sensor 31 and the probe 32 are respectively arranged at two ends of the elastic piece 33, and meanwhile, the second driving device 40 is also arranged on the first driving device 20 or the base 10. When scratch resistance detection is required to be performed on glass to be detected, the first driving device 20 drives the scratching module 30 to move along a first direction and contact the glass to be detected on a detection position, then the first driving device 20 continues to drive the scratching module 30 to move along the first direction until the pressure exerted by the probe 32 on the glass to be detected reaches a set detection pressure, in the process, the pressure sensor 31 gradually approaches the probe 32, the elastic piece 33 is continuously compressed, so that the reset elastic force exerted by the elastic piece 33 on the probe 32 and the pressure sensor 31 is continuously increased until the feedback detection pressure of the pressure sensor 31 reaches a set value; similarly, the second driving device 40 drives the first driving device 20 or the base 10 to move, so that when the probe 32 slides along the surface of the glass to be detected along the second direction, the probe 32 moves elastically to approach or separate from the pressure sensor 31 along with the sliding of the probe 32 on the glass to be detected with a curved surface structure, in this process, the pressure sensor 31 continuously feeds back to the first driving device 20 according to the detected pressure value, and the first driving device 20 can apply a constant detection pressure to the glass to be detected by adjusting the distance between the sliding module 30 and the detection position, so that the probe 32 is adapted to detect the glass to be detected with different curved surface structures.

In an embodiment of the present utility model, referring to fig. 1 and 2 together, the first driving device 20 includes a bracket 21, a first driver 22 and a transmission rod 23, the bracket 21 is disposed on the base 10, the first driver 22 is disposed on the bracket 21, and two ends of the transmission rod 23 are respectively connected to the first driver 22 and the rowing module 30.

Specifically, the support 21 is in a planar plate structure, the length direction of the support 21 is consistent with the first direction, the first driver 22 is disposed on one side of the support 21 away from the base 10, and the first driver 20 drives the rowing module 30 to approach or depart from the detection position along the first direction through the transmission rod 23.

In an embodiment of the present utility model, referring to fig. 1 and 2 together, the first driving device 20 further includes a first rail 24, the first rail 24 is disposed on the support 21, and the sliding module 30 is slidably connected to the first rail 24.

Specifically, the first guide rail 24 is arranged along the extending direction, the first guide rail 24 is fixed on the bracket 21, the scratching module 30 is slidably connected with the first guide rail 24, the scratching module 30 can slide back and forth along the extending direction of the first guide rail 24 under the driving of the first driving device 20, and the moving track of the scratching module 30 can be effectively limited by arranging the first guide rail 24 on the bracket 21, so that the stability of the glass scratching resistance detection process is improved.

In one embodiment of the present utility model, referring to fig. 1 and 2, the first driver 22 is a servo motor.

Specifically, the main differences between the servo motor and the ordinary motor are as follows: the rotating speed of the common motor is too high, the torsion is too small, and the accurate control cannot be realized generally because the common motor has no feedback; the servo motor is positioned by the pulse, so that a pulse closed loop can be formed, and the rotation of the motor is accurately controlled. By setting the first driver 22 as a servo motor, the first driver 22 can accurately control the moving distance of the scratching module 30, so that the probe 32 can more accurately control the pressure applied by the glass to be detected, and the accuracy of detection data is improved.

In one embodiment of the present utility model, referring to fig. 1 and 2 together, the probe 32 includes a slider 321 and a needle 322, the slider 321 abuts against an end of the elastic member 33 facing away from the pressure sensor 31, and the needle 322 is connected to the slider 321.

Specifically, the sliding block 321 is slidably disposed on the first guide rail 24, the cross section of the needle body 322 is circular, the needle body 322 is clamped on the sliding block 321, the needle body 322 can drive the sliding block 321 to slide back and forth along the length direction of the first guide rail 24 in the detection process, and at this time, the sliding block 321 drives the elastic element 33 to compress or reset, so that the detection pressure applied by the needle body 322 to the glass to be detected can be transmitted to the pressure sensor 31 through the reset elastic force of the elastic element 33.

In an embodiment of the present utility model, referring to fig. 1 and 2 together, the probe 32 further includes a baffle 323, the baffle 323 is disposed on the slider 321, and the baffle 323 abuts against an end of the elastic member 33 away from the pressure sensor 31, and the needle 322 is detachably connected to the baffle 323.

Specifically, the baffle 323 is fixedly arranged on the sliding block 321, a penetrating through hole is formed in the baffle 323, the needle body 322 is clamped in the through hole, the needle body 322 is detachably connected with the baffle 323, and in the detection process, the baffle 323 can drive the elastic element 33 to compress or reset along with the sliding of the sliding block 321 on the first guide rail 24. Through setting up to detachable connection structure between needle 322 and the baffle 323, can make things convenient for the inspector to await measuring the product according to the difference to change needle 322 fast, improve detection efficiency.

In one embodiment of the present utility model, referring to fig. 1 and 2 together, the first driving device 20 includes a guide plate 25, a second guide rail 11 is disposed on the guide plate 25, a sliding groove 251 is disposed on the base 10, the second guide rail 11 is slidably disposed in the sliding groove 251, or the second guide rail 11 is disposed on the base 10, a sliding groove 251 is disposed on the guide plate 25, and the second guide rail 11 is slidably disposed in the sliding groove 251.

Specifically, the guide plate 25 is disposed between the support 21 and the base 10, a sliding connection structure is disposed between the guide plate 25 and the base 10, in this embodiment, a sliding groove 251 extending along the second direction is disposed on the guide plate 25, a second guide rail 11 is convexly disposed on one side of the base 10 near the guide plate 25, the second guide rail 11 is disposed in the sliding groove 251, by disposing the second guide rail 11 on the base 10, and a sliding groove 251 is disposed on the guide plate 25, a movement track of the guide plate 25 can be effectively defined, and thus stability of the glass scratch resistance detection process can be improved.

In an embodiment of the present utility model, referring to fig. 1 and 2, the second guide rail 11 has a dovetail structure, and the sliding groove 251 has a dovetail structure.

Specifically, the dovetail-shaped structure can prevent the first driving device 20 from being separated from the base 10 along the first direction, and the stability of the whole glass scratch resistance detection device structure can be improved by arranging the second guide rail 11 to be in a play-shaped structure and the chute 251 to be in a dovetail groove structure, so that separation between the first driving device 20 and the base 10 is avoided.

In one embodiment of the present utility model, referring to fig. 1 and 2, the elastic member 33 is a spring.

Specifically, in the present embodiment, the elastic member 33 is a spring of a strip-like structure, and the elastic member 33 is provided to extend in the first direction.

In an embodiment of the present utility model, referring to fig. 1 and 2, the vacuum pump is disposed on the base 10, and a plurality of adsorption holes 12 are disposed on the base 10, and the vacuum pump is in communication with the adsorption holes 12.

Specifically, a vacuum pump (not shown in the figure) is installed on the base 10, and the vacuum pump is communicated with one end of the adsorption hole 12 on the base 10, which deviates from the detection position, when the vacuum pump is turned on, the end of the adsorption hole 12, which is close to the detection position, generates negative pressure, so that glass to be detected on the detection position can be firmly adsorbed, and the glass to be detected is prevented from moving in the detection process.

The foregoing description of the preferred embodiments of the present utility model has been provided for the purpose of illustrating the general principles of the present utility model and is not to be construed as limiting the scope of the utility model in any way. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model, and other embodiments of the present utility model as will occur to those skilled in the art without the exercise of inventive faculty, are intended to be included within the scope of the present utility model.

Claims (10)

1. The utility model provides a glass scratch resistance performance detection device which characterized in that includes:

the glass detection device comprises a base, wherein a detection position for placing glass to be detected is arranged on the base;

the first driving device is arranged on the base;

the scratching module is connected with the first driving device and comprises a pressure sensor, a probe and an elastic piece, wherein the pressure sensor is electrically connected with the first driving device, two ends of the elastic piece are respectively connected with the pressure sensor and the probe, and the first driving device can drive the scratching module to be close to or far away from the detection position along a first direction;

the second driving device is connected with the first driving device or the base, and the second driving device can drive the first driving device or the base to move along a second direction.

2. The glass scratch resistance detection device according to claim 1, wherein: the first driving device comprises a support, a first driver and a transmission rod, wherein the support is arranged on the base, the first driver is arranged on the support, and two ends of the transmission rod are respectively connected with the first driver and the scratching module.

3. The glass scratch resistance detection device according to claim 2, wherein: the first driving device further comprises a first guide rail, the first guide rail is arranged on the support, and the scratching module is in sliding connection with the first guide rail.

4. The glass scratch resistance detection device according to claim 2, wherein: the first driver is a servo motor.

5. The glass scratch resistance detection device according to claim 1, wherein: the probe comprises a sliding block and a needle body, wherein the sliding block abuts against one end, deviating from the pressure sensor, of the elastic piece, and the needle body is connected with the sliding block.

6. The glass scratch resistance detection device according to claim 5, wherein: the probe also comprises a baffle plate, the baffle plate is arranged on the sliding block, the baffle plate is propped against one end of the elastic piece, which is away from the pressure sensor, and the needle body is detachably connected with the baffle plate.

7. The glass scratch resistance detection device according to claim 1, wherein: the first driving device comprises a guide plate, a second guide rail is arranged on the guide plate, a chute is arranged on the base, the second guide rail is slidably arranged in the chute,

or, be equipped with the second guide rail on the base, be equipped with the spout on the deflector, the second guide rail slidable sets up in the spout.

8. The glass scratch resistance detection device according to claim 7, wherein: the second guide rail is in a dovetail-shaped structure, and the sliding groove is in a dovetail-shaped structure.

9. The glass scratch resistance detection device according to claim 1, wherein: the elastic piece is a spring.

10. The glass scratch resistance detection device according to claim 1, wherein: the vacuum pump is arranged on the base, a plurality of adsorption holes are formed in the base, and the vacuum pump is communicated with the adsorption holes.