Visual inspection device suitable for compact space

Abstract

The embodiment of the utility model discloses a visual inspection device suitable for a compact space, which is used for solving the technical problem that the conventional visual inspection device is often interfered by other mechanisms and cannot normally perform visual inspection on a workpiece. The embodiment of the utility model comprises a detection camera and a light source module, wherein the light source module comprises a light source body, a spectroscope, a first reflecting prism, a second reflecting prism and a placement position; the light source body is located on one side of the placement position, the spectroscope is located between the light source body and the placement position, the first reflecting prism is located below the spectroscope, the second reflecting prism is located on one side of the first reflecting prism, and the detection camera is located below the second reflecting prism; light emitted by the light source body penetrates through the spectroscope and then irradiates a workpiece at the placing position, the light reflected by the workpiece is reflected to the first reflecting prism through the spectroscope, and the light is reflected to the second reflecting prism through the first reflecting prism and then reflected to the detection camera through the second reflecting prism.

Description

Technical Field

[0001] The utility model relates to the technical field of vision detection devices, in particular to a vision detection device suitable for a compact space. Background Art

[0002] The detection of existing workpieces is generally completed by a vision detection device. The vision detection device specifically includes a detection camera module and a light source module. Among them, the light source module is used to emit illuminating light onto the measured surface of the workpiece, and the detection camera module is used to obtain the light reflected from the measured surface to form an image.

[0003] Since there are other devices around the vision detection device during the vision detection process, and these devices are large in volume and occupy a lot of space, the space left for arranging the vision detection device becomes very compact. Due to the overly compact arrangement space, the vision detection device often interferes with other mechanisms and cannot complete the vision detection work on the workpiece, bringing certain troubles to users.

[0004] Therefore, finding a technical solution to solve the above technical problems has become an important topic studied by those skilled in the art. Summary of the Utility Model

[0005] The embodiment of the utility model discloses a vision detection device suitable for a compact space, which is used to solve the technical problem that the existing vision detection device often cannot normally perform vision detection on workpieces due to interference from other mechanisms.

[0006] The embodiment of the utility model provides a vision detection device suitable for a compact space, including a detection camera and a light source module. Among them, the light source module includes a light source body, a beam splitter, a first reflecting prism, a second reflecting prism, and a placement position for placing the workpiece;

[0007] The light source body is on one side of the placement position, the beam splitter is located between the light source body and the placement position, the first reflecting prism is located below the beam splitter, the second reflecting prism is located on one side of the first reflecting prism, the detection camera is located below the second reflecting prism, and the shooting end of the detection camera is arranged towards the second reflecting prism;

[0008] The light emitted by the light source body passes through the beam splitter and then irradiates the workpiece at the placement position. The light reflected by the workpiece is reflected by the beam splitter to the first reflecting prism, and the light is reflected by the first reflecting prism to the second reflecting prism and then reflected by the second reflecting prism to the detection camera.

[0009] Optionally, both the first reflecting prism and the second reflecting prism are total reflection prisms.

[0010] Optionally, an absorbing plate is disposed above the beam splitter.

[0011] Optionally, a lens is connected to the shooting end of the detection camera.

[0012] Optionally, the light source body is an LED light board.

[0013] Optionally, the LED light board includes a PCB board and LED lamp beads electrically connected to the PCB board.

[0014] Optionally, the reflecting surface of the first reflecting prism is parallel to the beam splitter.

[0015] Optionally, the reflecting surface of the second reflecting prism is parallel to the reflecting surface of the first reflecting prism.

[0016] As can be seen from the above technical solutions, the embodiments of the present invention have the following advantages:

[0017] In the visual detection device of this embodiment, when performing detection, the light emitted by the light source body passes through the beam splitter and then irradiates the workpiece at the placement position. The light reflected by the workpiece passes through the beam splitter and is reflected to the first reflecting prism. The light is reflected by the first reflecting prism to the second reflecting prism and then reflected by the second reflecting prism to the detection camera, and finally imaging is completed. In the above design, the light reflected by the workpiece enters the detection camera only after three reflections. Through the above design, the light reflected by the workpiece can effectively avoid other devices and then enter the detection camera in a compact space to complete imaging, ensuring that the detection work of the workpiece can proceed smoothly. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0019] Figure 1 FIG. is a schematic structural diagram of a visual detection device applicable to a compact space provided by an embodiment of the present invention;

[0020] Illustration: Light source body 1; Beam splitter 2; First reflecting prism 3; Second reflecting prism 4; Detection camera 5; Absorbing plate 6; Workpiece A; Other device B. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0021] An embodiment of the utility model discloses a vision detection device applicable to a compact space, which is used to solve the technical problem that the existing vision detection device often cannot normally perform vision detection on workpieces due to interference from other mechanisms.

[0022] In order to enable those skilled in the art to better understand the solution of the utility model, the following further detailed description of the utility model will be given in conjunction with the drawings and specific embodiments. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the utility model.

[0023] Please refer to Figure 1 , a vision detection device applicable to a compact space provided by an embodiment of the utility model includes a detection camera 5 and a light source module. Among them, the light source module includes a light source body 1, a beam splitter 2, a first reflecting prism 3, a second reflecting prism 4, and a placement position for placing a workpiece;

[0024] The light source body 1 is on one side of the placement position, the beam splitter 2 is located between the light source body 1 and the placement position, the first reflecting prism 3 is located below the beam splitter 2, the second reflecting prism 4 is located on one side of the first reflecting prism 3, the detection camera 5 is located below the second reflecting prism 4, and the shooting end of the detection camera 5 is arranged towards the second reflecting prism 4;

[0025] The light emitted by the light source body 1 passes through the beam splitter 2 and then irradiates the workpiece at the placement position. The light reflected by the workpiece passes through the beam splitter 2 and is reflected to the first reflecting prism 3. The light is reflected by the first reflecting prism 3 to the second reflecting prism 4 and then reflected by the second reflecting prism 4 to the detection camera 5.

[0026] In the vision detection device of this embodiment, when detecting, the light emitted by the light source body 1 passes through the beam splitter 2 and then irradiates the workpiece at the placement position. The light reflected by the workpiece passes through the beam splitter 2 and is reflected to the first reflecting prism 3. The light is reflected by the first reflecting prism 3 to the second reflecting prism 4 and then reflected by the second reflecting prism 4 to the detection camera 5, and finally imaging is completed. In the above design, the light reflected by the workpiece enters the detection camera 5 after three reflections. Through the above design, the light reflected by the workpiece can effectively avoid other devices and then enter the detection camera 5 in a compact space to complete imaging, ensuring that the detection work of the workpiece can proceed smoothly.

[0027] Furthermore, both the first reflecting prism 3 and the second reflecting prism 4 in this embodiment are total reflection prisms.

[0028] It should be noted that the above total reflection prism is specifically a reflection prism with an isosceles right triangle cross-section, and the incident angle and the exit angle of the total reflection prism are both 45°.

[0029] Further, an absorbing plate 6 is provided above the beam splitter 2 in this embodiment.

[0030] It should be noted that the absorbing plate 6 in this embodiment is used to absorb the redundant light to avoid interfering with the visual inspection of the workpiece.

[0031] Further, a lens is connected to the shooting end of the detection camera 5 in this embodiment.

[0032] Further, the light source body 1 in this embodiment is an LED light board.

[0033] The light source body 1 in this embodiment is preferably an LED light board, but this embodiment does not limit this. Designers can select a suitable type of light source body 1 according to the actual situation.

[0034] Specifically, the LED light board includes a PCB board and LED lamp beads electrically connected to the PCB board.

[0035] Further, the reflection surface of the first reflection prism 3 is parallel to the beam splitter 2, and the reflection surface of the second reflection prism 4 is parallel to the reflection surface of the first reflection prism 3.

[0036] It should be noted that through the above design, it can be ensured that the light reflected from the beam splitter 2 can enter the reflection surface of the first reflection prism 3 and it can be ensured that the light reflected from the first reflection prism 3 can enter the reflection surface of the second reflection prism 4.

[0037] The above has introduced in detail a visual inspection device applicable to a compact space provided by the present utility model. For those of ordinary skill in the art, according to the idea of the embodiments of the present utility model, there will be changes in the specific implementation manners and application scopes. In summary, the content of this specification should not be construed as a limitation to the present utility model.

Claims

1. A visual inspection device suitable for compact space, characterized in that: It comprises a detection camera (5) and a light source module, wherein the light source module comprises a light source body (1), a beam splitter (2), a first reflection prism (3), a second reflection prism (4) and a placement position for placing a workpiece; The light source (1) is located on one side of the placement position, the beam splitter (2) is located between the light source (1) and the placement position, the first reflection prism (3) is located below the beam splitter (2), the second reflection prism (4) is located on one side of the first reflection prism (3), the detection camera (5) is located below the second reflection prism (4), and the shooting end of the detection camera (5) is arranged toward the second reflection prism (4); The light emitted by the light source (1) passes through the beam splitter (2) and then irradiates the workpiece at the placement position. The light reflected by the workpiece is reflected by the beam splitter (2) to the first reflecting prism (3). The light is reflected by the first reflecting prism (3) to the second reflecting prism (4) and then reflected by the second reflecting prism (4) to the detection camera (5).

2. The visual inspection device suitable for compact space according to claim 1, characterized in that: The first reflecting prism (3) and the second reflecting prism (4) are both total reflection prisms.

3. The visual inspection device suitable for compact space according to claim 1, characterized in that: A light absorbing plate (6) is arranged above the beam splitter (2).

4. The visual inspection device suitable for compact space according to claim 1, characterized in that: The shooting end of the detection camera (5) is connected to a lens.

5. The visual inspection device suitable for compact space according to claim 1, characterized in that: The light source (1) is an LED light panel.

6. The visual inspection device suitable for compact space according to claim 5, characterized in that: The LED lamp board includes a PCB board and LED lamp beads electrically connected to the PCB board.

7. The visual inspection device suitable for compact space according to claim 1, characterized in that: The reflection surface of the first reflection prism (3) is parallel to the beam splitter (2).

8. The visual inspection device suitable for compact space according to claim 7, characterized in that: The reflection surface of the second reflection prism (4) is parallel to the reflection surface of the first reflection prism (3).

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