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CN-224203021-U - Visual inspection device

CN224203021UCN 224203021 UCN224203021 UCN 224203021UCN-224203021-U

Abstract

The utility model relates to the technical field of machine vision detection and discloses a vision detection device which comprises an shadowless light source and an annular light source which are sequentially arranged from top to bottom, wherein the shadowless light source comprises an annular supporting plate and a shadowless light-emitting lamp panel, the annular supporting plate forms a top plate of the annular light source, an annular groove for installing the shadowless light-emitting lamp panel is formed in the top of the annular supporting plate, and an annular protrusion for limiting the annular light-emitting lamp panel of the annular light source is arranged at the bottom of the annular supporting plate. The visual inspection device disclosed by the utility model is beneficial to reducing the height of the light source part structure and reducing the total volume of the visual inspection device through ingenious structural design.

Inventors

  • ZHANG ZIHAO
  • LIU YING
  • ZHAO HUABIN

Assignees

  • 广东奥普特科技股份有限公司

Dates

Publication Date
20260505
Application Date
20250528

Claims (10)

  1. 1. The visual detection device is characterized by comprising a shadowless light source (1) and an annular light source (2) which are sequentially arranged from top to bottom; The shadowless light source (1) comprises an annular supporting plate (11) and a shadowless light emitting lamp panel (12), and the annular supporting plate (11) forms a top plate of the annular light source (2); The top of annular backup pad (11) is provided with annular groove (111) that are used for installing shadowless light-emitting lamp plate (12), the bottom of annular backup pad (11) is provided with annular protrusion (112) that are used for spacing annular light-emitting lamp plate (21) of annular light source (2).
  2. 2. The visual inspection device according to claim 1, characterized in that the annular light source (2) further comprises a cylindrical portion (22) fixedly connected to the annular support plate (11); The side of annular bulge (112) forms first spacing groove (1101), tube-shape portion (22) forms second spacing groove (2201), the top of annular light-emitting lamp plate (21) stretches into first spacing groove (1101), the bottom of annular light-emitting lamp plate (21) stretches into second spacing groove (2201).
  3. 3. The visual inspection device according to claim 2, characterized in that the annular light source (2) further comprises a diffusion plate (23), one end of the diffusion plate (23) is fixedly connected with the bottom of the cylindrical portion (22), and the other end is bent and extends towards the shadowless light source (1); the highest point of the diffusion plate (23) is not lower than the bottom surface of the annular protrusion (112).
  4. 4. The visual inspection device of claim 2, wherein the first limiting groove (1101) includes a first limiting surface and a second limiting surface perpendicular to each other, the first limiting surface being a cylindrical surface; The second limiting groove (2201) comprises a third limiting surface and a fourth limiting surface which are perpendicular to each other, and the third limiting surface is a cylindrical surface; The first limiting groove (1101) is opposite to the notch of the second limiting groove (2201), the first limiting surface is parallel to the third limiting surface, and the second limiting surface is parallel to the fourth limiting surface.
  5. 5. The visual inspection device of claim 1, further comprising a coaxial light source (3); The coaxial light source (3) is arranged on one side of the top of the shadowless light source (1), and the shadowless light source (1) is fixedly connected with the coaxial light source (3).
  6. 6. Visual inspection device according to claim 5, characterized in that the annular support plate (11) is mounted with an annular support frame (4), the annular support frame (4) having a support plate for supporting the coaxial light source (3); the bottom of the annular supporting frame (4) is fixedly connected with the annular supporting plate (11).
  7. 7. The visual inspection device according to claim 5, further comprising an inspection camera (5), the inspection camera (5) being mounted on a top side of the coaxial light source (3).
  8. 8. The visual inspection device according to claim 1, characterized in that the shadowless light source (1) has an arc-shaped diffusion plate (13), the top surface of the arc-shaped diffusion plate (13) being provided with a diffuse reflection layer; The light rays emitted by the shadowless light emitting lamp panel (12) can be emitted into the arc-shaped diffusion plate (13) and reflected by the diffuse reflection layer to be emitted to a workpiece at one side of the bottom; an annular space is formed between the arc-shaped diffusion plate (13) and the annular groove (111), and the shadowless light emitting lamp panel (12) is installed in the annular space.
  9. 9. The visual inspection apparatus of claim 1, wherein the shadowless light emitting lamp panel (12) comprises a ring-shaped circuit board and an array of lamp beads mounted on the ring-shaped circuit board.
  10. 10. The visual inspection device of claim 4, wherein the annular light-emitting light panel (21) is disposed obliquely.

Description

Visual inspection device Technical Field The utility model relates to the technical field of machine vision detection, in particular to a vision detection device. Background The current visual inspection device generally comprises an inspection camera and a light source, wherein the light source can be divided into a point light source, a linear light source, an annular light source, a plane light source, a shadowless light source and the like, and the quality of the light source directly influences the imaging effect of the inspection camera so as to influence the inspection result. In order to further improve the illumination effect, a combined light source combining two different structure light sources has appeared at present to provide better and more extensive illumination effect for the work piece, the fixed connection is realized through the link to different structure light sources between the light sources generally, but the setting of link makes the height of whole combined light source become high, is unfavorable for reducing the holistic height of combined light source. In view of this, there is a need to design a visual inspection apparatus that can facilitate reducing the height of the light source portion structure and reduce the total volume of the visual inspection apparatus. The above information is presented as background information only to aid in the understanding of the present disclosure and is not intended or admitted to be prior art relative to the present disclosure. Disclosure of utility model The utility model provides a visual inspection device which can be beneficial to reducing the height of a light source part structure and reducing the total volume of the visual inspection device. In order to achieve the above object, the present utility model provides the following technical solutions: a visual detection device comprises a shadowless light source and an annular light source which are sequentially arranged from top to bottom; the shadowless light source comprises an annular supporting plate and a shadowless light emitting lamp panel, and the annular supporting plate forms a top plate of the annular light source; The top of annular backup pad is provided with and is used for installing the annular recess of shadowless light-emitting lamp plate, the bottom of annular backup pad is provided with and is used for spacing annular protruding of annular light-emitting lamp plate of annular light source. Optionally, the annular light source further comprises a cylindrical part fixedly connected with the annular support plate; The side of the annular bulge forms a first limit groove, the cylindrical part forms a second limit groove, the top of the annular light-emitting lamp panel stretches into the first limit groove, and the bottom of the annular light-emitting lamp panel stretches into the second limit groove. Optionally, the annular light source further comprises a diffusion plate, one end of the diffusion plate is fixedly connected with the bottom of the cylindrical part, and the other end of the diffusion plate is bent and extends towards the shadowless light source; The highest point of the diffusion plate is not lower than the bottom surface of the annular bulge. Optionally, the first limiting groove comprises a first limiting surface and a second limiting surface which are perpendicular to each other, and the first limiting surface is a cylindrical surface; The second limiting groove comprises a third limiting surface and a fourth limiting surface which are perpendicular to each other, and the third limiting surface is a cylindrical surface; the first limiting groove is opposite to the notch of the second limiting groove, the first limiting surface is parallel to the third limiting surface, and the second limiting surface is parallel to the fourth limiting surface. Optionally, further comprising a coaxial light source; the coaxial light source is arranged on one side of the top of the shadowless light source, and the shadowless light source is fixedly connected with the coaxial light source. Optionally, an annular supporting frame is mounted on the annular supporting plate, and the annular supporting frame is provided with a supporting plate for supporting the coaxial light source; The bottom of the annular supporting frame is fixedly connected with the annular supporting plate. Optionally, a detection camera is further included, and the detection camera is mounted on the top side of the coaxial light source. Optionally, the shadowless light source is provided with an arc-shaped diffusion plate, and the top surface of the arc-shaped diffusion plate is provided with a diffuse reflection layer; The light rays emitted by the shadowless light emitting lamp panel can be emitted into the arc-shaped diffusion plate and reflected by the diffuse reflection layer to be emitted to a workpiece at one side of the bottom; An annular space is formed between the arc-shaped diffusion plate a