CN220709052U - Material defect detection device - Google Patents

Abstract

The utility model relates to a material defect detection device, which is used for observing an object to be detected with a mirror surface and comprises the following components: grid plate, light source, beam splitter and camera; wherein the object to be detected is placed horizontally upwards by a mirror surface and is arranged below the material defect detection device; the light source is arranged above the grid plate and emits light downwards; the grid plate is provided with a plurality of parallel slits; the beam splitter is arranged below the grid plate, the camera is arranged at the side of the grid plate, and the lens of the camera faces the grid plate; the beam splitter vertically reflects the light reflected by the object to be detected into the lens of the camera. The utility model can conveniently and intuitively observe the surface defect condition of the material, and is more accurate compared with naked eye observation.

Description

Material defect detection device

Technical Field

The utility model relates to the technical field of defect detection, in particular to a material defect detection device.

Background

Mirror materials, such as glass panels, are common in everyday life. In the production process of mirror surface materials, the mirror surface is detected manually, and the method is still a mainstream mode of enterprises, and depends on experience and vision of detection personnel, so that the visual observation of the surface of the materials by naked eyes is not visual enough, and errors are easy to occur.

Disclosure of Invention

The utility model provides a material defect detection device, which aims to solve the problems that in the prior art, the mirror surface material is not intuitive enough and is easy to make mistakes when being manually detected.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

a material defect detection apparatus for observing an object to be measured having a mirror surface, comprising: grid plate, light source, beam splitter and camera;

the object to be detected is placed horizontally upwards by a mirror surface and is arranged below the material defect detection device;

the light source is arranged above the grid plate and emits light rays downwards;

the grid plate is provided with a plurality of parallel slits;

the beam splitter is arranged below the grid plate, the camera is arranged at the side of the grid plate, and the lens of the camera faces the grid plate;

the beam splitter vertically reflects the light reflected by the object to be detected into the lens of the camera.

Further, the beam splitter is 45 degrees away from the horizontal plane, and the view of the camera is horizontal.

Further, the light emitted by the light source is uniform parallel light.

The beneficial effects of the utility model are as follows:

the defect condition of the surface of the material can be conveniently and intuitively observed, and is more accurate compared with naked eye observation.

Drawings

FIG. 1 is an overall schematic diagram of a material defect detection apparatus;

FIG. 2 is a front view of a material defect detection apparatus;

FIG. 3 is an image of an object to be measured observed without defects in its surface;

FIG. 4 is an image observed when the surface of the object to be measured is uneven;

fig. 5 is an image observed when the surface of the object to be measured has appearance defects such as stains.

Reference numerals illustrate:

1. a grid plate; 2. a uniform light source; 3. a beam splitter; 4. a camera; 5. an object to be measured.

Detailed Description

In order to make the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be further clearly and completely described in the following in conjunction with the embodiments of the present utility model. It should be noted that the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that, in the embodiment of the present application, directional indications (such as up, down, left, right, front, back, top, bottom, inner, outer, vertical, lateral, longitudinal, counterclockwise, clockwise, circumferential, radial, axial … …) are referred to, and the directional indications are merely used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are correspondingly changed.

In the embodiment of the present application, the term "and/or" is merely an association relationship describing the association object, which indicates that three relationships may exist, for example, a and/or B may indicate: a exists alone, A and B exist together, and B exists alone.

The terms "first", "second" in the embodiments of the present application are used for descriptive purposes only and are not to be construed as indicating or implying 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 at least one such feature. In the description of the present application, the terms "comprise" and "have," along with any variations thereof, are intended to cover non-exclusive inclusions. For example, a system, article, or apparatus that comprises a list of elements is not limited to only those elements or units listed but may alternatively include other elements not listed or inherent to such article, or apparatus. In the description of the present application, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the present application. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.

The utility model provides a material defect detection device, as shown in fig. 1 and 2, which mainly comprises a uniform light source 2, a grid plate 1, a beam splitter 3 and a camera 4; the light paths are marked in fig. 2, and it can be seen that the uniform light source 2 emits parallel light vertically downwards, and the parallel light passes through the grid plate 1 and becomes grid light due to the plurality of parallel slits on the grid plate 1; a beam splitter 3 is arranged below the grid plate 1, and grid light irradiates the upper surface of an object to be detected after passing through the beam splitter 3; the main object to be detected of the utility model is a mirror surface material, namely the upper surface of the object 5 to be detected is a mirror surface in the figure, so that grating light can be reflected upwards, one part of the grating light is continuously emitted upwards under the action of the beam splitter 3, and the other part of the grating light is vertically emitted to the right and vertically enters the camera 4 (as a preferable embodiment, the beam splitter forms an included angle of 45 degrees with the horizontal plane, and the sight line of the lens of the camera 4 is horizontal); after the camera 4 collects the image and performs image preprocessing, the user can further analyze the image.

If the image collected by the camera 4 is shown in fig. 3, it indicates that the upper surface of the object 5 to be measured has no obvious defect, and if the image collected by the camera 4 is shown in fig. 4, it indicates that the upper surface of the object 5 to be measured is uneven and the reflection of the grating light is affected; it is easy to think that if there are appearance defects such as stains and cracks on the surface of the object to be measured, there may even be some missing of the observed image as shown in fig. 5.

The foregoing examples merely illustrate embodiments of the utility model and are described in more detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims (3)

1. A material defect detection apparatus for observing an object to be measured having a mirror surface, comprising: grid plate, light source, beam splitter and camera;

the object to be detected is placed horizontally upwards by a mirror surface and is arranged below the material defect detection device;

the light source is arranged above the grid plate and emits light rays downwards;

the grid plate is provided with a plurality of parallel slits;

the beam splitter is arranged below the grid plate, the camera is arranged at the side of the grid plate, and the lens of the camera faces the grid plate;

the beam splitter vertically reflects the light reflected by the object to be detected into the lens of the camera.

2. The device of claim 1, wherein the beam splitter forms an angle of 45 ° with the horizontal plane, and the camera has a horizontal view.

3. The device of claim 1, wherein the light emitted from the light source is uniform parallel light.