CN210294099U

CN210294099U - Light source for mechanical vision

Info

Publication number: CN210294099U
Application number: CN201921265630.6U
Authority: CN
Inventors: 欧李科; 栾俊平
Original assignee: Dongguan Xiaoke Intelligent Equipment Technology Co Ltd
Current assignee: Dongguan Xiaoke Intelligent Equipment Technology Co Ltd
Priority date: 2019-08-07
Filing date: 2019-08-07
Publication date: 2020-04-10
Anticipated expiration: 2029-08-07

Abstract

The utility model discloses a light source for machine vision, including being cylindric main part, the main part is by the casing that connects gradually, mount pad and luminescent plate are constituteed, be provided with the installation cavity that matches with the mount pad shape in the casing, be provided with the hourglass hopper-shaped fixed slot in the mount pad, the luminescent plate subsides are established and are formed a loudspeaker form light emitting area in the fixed slot, the main part is opened the system along the axis and is had and link up the casing in proper order, the mount pad, the round hole of luminescent plate, the round hole outside is provided with the camera along the main part axial, the luminescent plate uses the main part axis to be the coaxial four rings of luminescent strip that is provided with in center, the luminescent strip comprises 32 LED lamp pearls. The utility model discloses a light irradiation of loudspeaker form light emitting area with the not equidirectional transmission is to being detected the object, through the colour temperature of procedure automatic control adjusting light source, gathers the object image under the different colour temperature light irradiation through the camera, is convenient for examine out slight and be difficult to by the flaw that the naked eye was surveyed, realizes automatic machine vision outward appearance inspection.

Description

Light source for mechanical vision

Technical Field

The utility model relates to a machine vision outward appearance inspection technical field, in particular to a light source for machine vision.

Background

In the automatic production process, the product needs to be subjected to multi-aspect appearance inspection to avoid the defective products and the defective products from flowing into the next production process to cause material and economic loss, so that the appearance inspection process needs to be specially arranged. In the appearance quality inspection process, the traditional appearance quality inspection operation needs to arrange a specially-assigned person to hold the product to shake so as to reflect light from different angles, and detect fine flaws which can be observed by the eyes of users. This process needs a large amount of special manpower to be used for outward appearance quality control process, and inspection efficiency is low moreover, and the omission factor is high, influences the performance of enterprises.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem to the defect that exists among the above-mentioned prior art, provide a light source for machine vision to solve the problem that proposes among the above-mentioned background art.

In order to solve the technical problem, the utility model adopts the following technical scheme that the light source for mechanical vision comprises a cylindrical main body, wherein the main body consists of a shell, a mounting seat and a light-emitting plate which are connected in sequence, an installation cavity matched with the shape of the mounting seat is arranged in the shell, a funnel-shaped fixed groove is arranged in the mounting seat, the light-emitting plate is pasted in the fixed groove to form a horn-shaped light-emitting surface, the main body is provided with a round hole which sequentially penetrates through the shell, the mounting seat and the light-emitting plate along the axis, the outer side of the round hole is provided with a camera along the axial direction of the main body, the light-emitting plate is coaxially provided with four rings of light-emitting strips by taking the axis of the main body as the center, and the light-emitting strips consist; the end face of the shell is internally provided with a fixing block extending along the radial direction, the three fixing blocks are arranged on the end face of the shell at equal angles, the fixing blocks are provided with through holes, screw holes communicated with the through holes are formed in the end face of the shell, screws are arranged between the through holes and the screw holes, and the shell limits the mounting seat in the mounting cavity through the fixing blocks.

As a further elaboration of the above technical solution:

in the above technical scheme, four LED lamp beads in the same row of the four circles of light emitting strips form 1 light emitting unit, and 32 light emitting units distributed in a radial manner are formed on the light emitting plate.

In the above technical scheme, the light emitting unit is composed of two LED lamp beads with first color temperature values and two LED lamp beads with second color temperature values, which are arranged in a staggered manner.

In the above technical solution, the screw hole penetrates the housing along the axial direction of the main body.

In the above technical scheme, the mounting seat is provided with a through groove for separating the annular mounting seat.

In the above technical solution, a ratio of an outer diameter of the main body to a diameter of the circular hole is 2: 1.

In the above technical scheme, the length ratio that the round hole runs through the shell, the mounting seat and the light-emitting plate is 5: 1.4:1.

Compared with the prior art, the beneficial effects of the utility model reside in that: the utility model discloses rational in infrastructure, the modern design, therefore, the clothes hanger is strong in practicability, under the no mechanical motion condition, realize the light irradiation of equidirectional transmission to being detected the object through loudspeaker form light emitting area, colour temperature through procedure automatic control regulation light source, gather the object image under the different colour temperature light irradiation through the camera, the slight flaw of object appears the effect in the image can be better under the different colour temperature light irradiation, be convenient for detect slight and be difficult to by the flaw that the naked eye was surveyed, realize automatic machine vision outward appearance inspection, with low cost, simple small structure replaces artifical action or manipulator action, thereby realize going the manpower ization, and improve production efficiency, reduce the volume of outward appearance inspection equipment, and the production cost is reduced, realize automatic machine vision outward appearance inspection.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a schematic view of the housing structure.

In the figure: 1. a housing; 11. a mounting cavity; 12. a screw hole; 2. a mounting seat; 21. a through groove; 3. a light emitting panel; 31. a light emitting unit; 32. LED lamp beads; 4. a fixed block; 41. a through hole; 10. a circular hole.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The embodiments described by referring to the drawings are exemplary and intended to be used for explaining the present application and are not to be construed as limiting the present application. In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and thus should not be considered limiting. Furthermore, the terms "first", "second" and "first" 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 defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise. In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral connections; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate. In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly above and obliquely above the second feature, or simply meaning that the first feature is at a lesser level than the second feature.

As shown in fig. 1-2, a light source for machine vision comprises a cylindrical main body, wherein the main body is composed of a shell 1, a mounting seat 2 and a light-emitting plate 3 which are connected in sequence, a mounting cavity 11 matched with the shape of the mounting seat 2 is arranged in the shell 1, a funnel-shaped fixing groove is arranged in the mounting seat 2, the light-emitting plate 3 is attached to the fixing groove to form a horn-shaped light-emitting surface, a round hole 10 which sequentially penetrates through the shell 1, the mounting seat 2 and the light-emitting plate 3 is formed in the main body along an axis, a camera is arranged outside the round hole 10 along the axial direction of the main body, four circles of light-emitting strips are coaxially arranged on the light-emitting plate 3 by taking the axis of the main body as the center, and the; the end face of the shell 1 is provided with fixing blocks 4 extending radially, the three fixing blocks 4 are arranged on the end face of the shell 1 at equal angles, the fixing blocks 4 are provided with through holes 41, the end face of the shell 1 is provided with screw holes 12 communicated with the through holes 41, screws are arranged between the through holes 41 and the screw holes 12, and the shell 1 limits the mounting seat 2 in the mounting cavity 11 through the fixing blocks 4, so that the light source can be conveniently and quickly mounted and dismounted.

Four LED lamp beads 32 in the same row of the four circles of light emitting strips form 1

light emitting unit

31, and 32 light emitting units 31 distributed in a radial shape are formed on the light emitting plate 3.

The light emitting unit 31 is composed of two LED lamp beads 32 with first color temperature values and two LED lamp beads 32 with second color temperature values, which are arranged in a staggered manner. The color temperature of the light source is adjusted by controlling the duty ratio corresponding to the output of the two LED lamp beads 32 with different color temperature values through a program.

The screw hole 12 penetrates the housing 1 in the axial direction of the main body. The mounting base 2 is provided with a through slot 21 which separates the annular mounting base 2. The mounting seat 2 is retractable through the through groove 21, so that the mounting seat 2 is conveniently mounted in the mounting cavity 11 of the shell 1.

The ratio of the outer diameter of the body to the diameter of the circular hole 10 is 2: 1. The length ratio that the circular hole 10 runs through the shell 1, the mounting seat 2 and the light-emitting plate 3 is 5: 1.4:1.

The utility model has the advantages of reasonable structure, the modern design, therefore, the clothes hanger is strong in practicability, under the condition of no mechanical motion, the light irradiation of not equidirectional transmission is to being detected the object through loudspeaker form light emitting area realization, the colour temperature of program automatic control regulation light source through quick adjustment light source colour temperature luminance in the current trade, gather the object image that different colour temperature light shines down through the camera, the effect that the slight flaw of object appears in the image can be better under different colour temperature light shines, be convenient for detect slight and be difficult to the flaw that is surveyed by the naked eye, realize automatic machine vision outward appearance inspection, with low cost, simple small structure replaces artifical action or manipulator action, thereby realize going the manpower, improve production efficiency, reduce the volume of outward appearance inspection equipment, and reduce production cost, realize automatic machine vision outward appearance inspection.

The above is not intended to limit the technical scope of the present invention, and any modifications, equivalent changes and modifications made to the above embodiments according to the technical spirit of the present invention are all within the scope of the technical solution of the present invention.

Claims

1. A light source for machine vision is characterized by comprising a cylindrical main body, wherein the main body consists of a shell, a mounting seat and a light-emitting plate which are sequentially connected, a mounting cavity matched with the shape of the mounting seat is arranged in the shell, a funnel-shaped fixing groove is arranged in the mounting seat, the light-emitting plate is attached to the fixing groove to form a horn-shaped light-emitting surface, round holes which sequentially penetrate through the shell, the mounting seat and the light-emitting plate are formed in the main body along the axis, a camera is arranged on the outer side of each round hole along the axial direction of the main body, four rings of light-emitting strips are coaxially arranged on the light-emitting plate by taking the axis of the main body as the center, and the light-emitting strips consist of 32 LED lamp beads; the end face of the shell is internally provided with a fixing block extending along the radial direction, the three fixing blocks are arranged on the end face of the shell at equal angles, the fixing blocks are provided with through holes, screw holes communicated with the through holes are formed in the end face of the shell, screws are arranged between the through holes and the screw holes, and the shell limits the mounting seat in the mounting cavity through the fixing blocks.

2. The light source of claim 1, wherein four LED beads in the same row of the four circles of light bars form 1 light emitting unit, and the light emitting plate is formed with 32 light emitting units distributed in a radial shape.

3. The light source of claim 2, wherein the light emitting unit comprises two first color temperature value LED beads and two second color temperature value LED beads, which are staggered with each other.

4. A light source for machine vision according to claim 3, wherein said threaded bore extends axially through said housing along the body.

5. A light source for machine vision according to claim 4, wherein the mount is provided with a through slot which interrupts the annular mount.

6. A light source for machine vision as claimed in claim 5, wherein the ratio of the outer diameter of the body to the aperture of the circular hole is 2: 1.

7. A light source for machine vision as claimed in claim 6, wherein the circular holes penetrate through the housing, the mounting seat and the light-emitting plate in a length ratio of 5: 1.4:1.