Visual inspection device for point light source

Abstract

The embodiment of the utility model discloses a point light source visual inspection device which is used for solving the technical problem that the spot size of a point light source assembly cannot be adjusted due to the fact that the positions of the point light source assembly and a lens are relatively fixed in the existing point light source visual inspection device. The embodiment of the utility model comprises a point light source assembly, a detection camera and a lens connected with the shooting end of the detection camera, and is characterized by further comprising an adjusting assembly, the lens is provided with a first outer shell, and a light inlet cylinder communicated with the first outer shell is arranged on the side surface of the first outer shell; the point light source assembly comprises a second outer shell, a PCB lamp panel and a light emitting barrel, the PCB lamp panel is installed in the second outer shell, an installation opening is formed in one end of the second outer shell, and the light emitting barrel is installed in the installation opening; the light outlet cylinder is movably connected with the light inlet cylinder through the adjusting assembly, and the light outlet cylinder can horizontally move relative to the light inlet cylinder through the adjusting assembly.

Description

Technical Field

[0001] The utility model relates to the technical field of vision detection, in particular to a point light source vision detection device. 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, a lens, and a light source. Among them, the light source is used to emit irradiation light onto the surface to be measured of the workpiece, and the detection camera is used to obtain the light reflected from the surface to be measured to form an image. In addition, according to the different types of workpieces, the types of light sources also vary, such as line light sources, point light source components, and so on.

[0003] Currently, in a vision detection device with a point light source, the position of the point light source and the lens is relatively fixed, which results in the inability to adjust the spot size of the point light source. Therefore, the point light source vision detection device cannot meet the detection requirements of workpieces of different sizes.

[0004] Therefore, finding a technical solution that can solve the above technical problems has become an important research topic for those skilled in the art. Summary of the Utility Model

[0005] An embodiment of the utility model discloses a point light source vision detection device, which is used to solve the technical problem that in the existing point light source vision detection device, the position of the point light source component and the lens is relatively fixed, resulting in the inability to adjust the spot size of the point light source component.

[0006] An embodiment of the utility model provides a point light source vision detection device, which includes a point light source component, a detection camera, and a lens connected to the shooting end of the detection camera, and further includes an adjustment component;

[0007] The lens has a first outer housing, and a light inlet cylinder communicating with the first outer housing is provided on the side surface of the first outer housing;

[0008] The point light source component includes a second outer housing, a PCB lamp board, and a light outlet cylinder. The PCB lamp board is installed inside the second outer housing. An installation opening is provided at one end of the second outer housing, and the light outlet cylinder is installed in the installation opening;

[0009] The light outlet cylinder is movably connected to the light inlet cylinder through the adjustment component, and the light outlet cylinder can horizontally move relative to the light inlet cylinder through the adjustment component.

[0010] Optionally, the adjustment component includes an adjustment screw, a plurality of annular card slots provided on the outer side wall of the light outlet cylinder, and a plurality of threaded holes provided on the outer side wall of the light inlet cylinder;

[0011] The plurality of annular grooves are arranged at intervals along the axial direction of the light emitting tube, and the plurality of threaded holes are arranged at intervals along the circumferential direction of the light inlet tube;

[0012] The adjusting screw is threadedly connected in the threaded hole, and when the adjusting screw is tightened, the bottom ends of the plurality of adjusting screws are pressed against the annular groove of the light emitting tube to limit the horizontal movement of the light emitting tube relative to the light input tube; when the adjusting screw is loosened, the light emitting tube can be driven to move horizontally relative to the light emitting tube.

[0013] Optionally, the light input tube is perpendicular to the outer side surface of the first outer shell.

[0014] Optionally, a heat dissipation portion is further provided on the outer side wall of the second outer shell.

[0015] Optionally, the heat dissipation portion is a heat dissipation tooth.

[0016] Optionally, the PCB lamp board includes a PCB board and LED lamp beads electrically connected to the PCB board.

[0017] Optionally, the LED lamp beads are LED lamp beads that can emit lights of multiple colors.

[0018] Optionally, a wire threading hole is formed at one end of the second outer shell away from the light emitting tube, a wire is passed through the wire threading hole, and the wire is electrically connected to the PCB light board.

[0019] Optionally, the second outer shell is a metal shell.

[0020] Optionally, the light emitting tube can be detachably installed in the installation opening.

[0021] It can be seen from the above technical solutions that the embodiments of the utility model have the following advantages:

[0022] In the point light source visual inspection device of this embodiment, the light output tube in the point light source assembly can be moved horizontally relative to the light input tube on the lens through an adjustment assembly, thereby changing the size of the light spot emitted by the PCB light board in the point light source assembly, so that the point light source visual inspection device can meet the inspection requirements of workpieces of different sizes and types, making the point light source visual inspection device more applicable. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0024] Figure 1 Schematic diagram of the structure of a point light source vision detection device provided by an embodiment of the present utility model;

[0025] Figure 2 Exploded view of the structure of a point light source vision detection device provided by an embodiment of the present utility model;

[0026] Illustration: Detection camera 1; lens 2; first outer housing 3; light inlet tube 4; threaded hole 5; second outer housing 6; heat dissipation part 7; wire threading hole 8; wire 9; PCB lamp board 10; light outlet tube 11; annular card slot 12; adjusting screw 13. Specific implementation manners

[0027] An embodiment of the present utility model discloses a point light source vision detection device, which is used to solve the technical problem that in the existing point light source vision detection device, the relative position between the point light source component and the lens is fixed, resulting in the inability to adjust the spot size of the point light source component.

[0028] In order to enable those skilled in the art to better understand the solution of the present utility model, the present utility model will be further described in detail below with reference to the accompanying drawings and specific implementation manners. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0029] Please refer to Figure 1 and Figure 2 , the point light source vision detection device provided by an embodiment of the present utility model includes a point light source component, a detection camera 1, and a lens 2 connected to the shooting end of the detection camera 1, and further includes an adjustment component;

[0030] The lens 2 has a first outer housing 3, and a light inlet tube 4 communicating with the first outer housing 3 is provided on the side surface of the first outer housing 3;

[0031] The point light source component includes a second outer housing 6, a PCB lamp board 10, and a light outlet tube 11. The PCB lamp board 10 is installed inside the second outer housing 6. An installation opening is provided at one end of the second outer housing 6, and the light outlet tube 11 is installed in the installation opening;

[0032] The light outlet tube 11 is movably connected to the light inlet tube 4 through the adjustment component, and the light outlet tube 11 can move horizontally relative to the light inlet tube 4 through the adjustment component.

[0033] It should be noted that in this embodiment, the light inlet tube 4 is specifically perpendicular to the outer side surface of the first outer housing 3.

[0034] In the point light source vision detection device of this embodiment, the light-emitting cylinder 11 in the point light source assembly can be horizontally moved relative to the light-incident cylinder 4 on the lens 2 through the adjustment assembly, changing the size of the light spot emitted by the PCB lamp board 10 in the point light source assembly, enabling the point light source vision detection device to meet the detection requirements of workpieces of different size types, and making the applicable range of the point light source vision detection device wider.

[0035] Furthermore, the adjustment assembly in this embodiment specifically includes adjustment screws 13, a plurality of annular card slots 12 provided on the outer side wall of the light-emitting cylinder 11, and a plurality of threaded holes 5 opened on the outer side wall of the light-incident cylinder 4;

[0036] The plurality of annular card slots 12 are arranged at intervals along the axial direction of the light-emitting cylinder 11, and the plurality of threaded holes 5 are arranged at intervals along the circumferential direction of the light-incident cylinder 4;

[0037] The adjustment screw 13 is threadedly connected to the threaded hole 5;

[0038] It should be noted that the specific working principle of the above adjustment assembly is as follows:

[0039] When the adjustment screw 13 is tightened, the bottom ends of the plurality of adjustment screws 13 jointly press against the annular card slot 12 of the light-emitting cylinder 11 in the opposite direction to limit the horizontal movement of the light-emitting cylinder 11 relative to the light-incident cylinder 4;

[0040] When the adjustment screw 13 is loosened, the light-emitting cylinder 11 can be driven to move horizontally relative to the light-emitting cylinder 11.

[0041] Furthermore, a heat dissipation part 7 is also provided on the outer side wall of the second outer housing 6 in this embodiment.

[0042] It should be noted that by providing the heat dissipation part 7 on the outer side wall of the second outer housing 6, the heat dissipation of the PCB lamp board 10 can be effectively accelerated, enabling the PCB lamp board 10 to work at a normal temperature level, which is beneficial to extending the service life of the PCB lamp board 10.

[0043] Specifically, the heat dissipation part 7 in this embodiment is heat dissipation teeth.

[0044] Furthermore, in order to make the heat dissipation effect of the PCB lamp board 10 better, the second outer housing 6 in this embodiment is a metal housing.

[0045] Furthermore, the PCB lamp board 10 in this embodiment includes a PCB board and LED lamp beads electrically connected to the PCB board.

[0046] Specifically, the LED lamp beads in this embodiment are specifically LEDs that can emit lights of multiple colors.

[0047] It should be noted that through the above design, the point light source vision detection device can detect workpieces of different colors, which can improve the flexibility of detection.

[0048] Furthermore, in this embodiment, a wire passing hole 8 is opened at one end of the second housing 6 away from the light emitting cylinder 11, and a wire 9 is passed through the wire passing hole 8, and the wire 9 is electrically connected to the PCB lamp board 10.

[0049] It should be noted that through the above design, the wire 9 passes through the wire 9 hole, which can avoid the mess of the wire 9 and ensure the simplicity and beauty of the point light source vision detection device.

[0050] Furthermore, in this embodiment, the light emitting cylinder 11 is detachably installed in the installation opening.

[0051] It should be noted that specifically, the light emitting cylinder 11 can be installed in the installation opening by detachable installation methods such as snap fixation and screw fixation, so as to facilitate the operator to disassemble and install.

[0052] The above has introduced in detail a point light source vision detection device provided by the present invention. For those of ordinary skill in the art, according to the idea of the embodiments of the present invention, 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 invention.

Claims

1. A point light source visual detection device, comprising a point light source assembly, a detection camera (1), and a lens (2) connected to a shooting end of the detection camera (1), characterized in that: Also included are adjustment components; The lens (2) comprises a first outer shell (3), and a light inlet tube (4) in communication with the first outer shell (3) is arranged on a side surface of the first outer shell (3); The point light source assembly comprises a second outer shell (6), a PCB light board (10) and a light emitting tube (11); the PCB light board (10) is installed inside the second outer shell (6); a mounting opening is provided at one end of the second outer shell (6); and the light emitting tube (11) is installed in the mounting opening; The light output tube (11) is movably connected to the light input tube (4) via the adjustment component, and the light output tube (11) can be moved horizontally relative to the light input tube (4) via the adjustment component.

2. The point light source visual detection device according to claim 1, characterized in that: The adjustment assembly comprises an adjustment screw (13), a plurality of annular grooves (12) arranged on the outer wall of the light output tube (11), and a plurality of threaded holes (5) opened on the outer wall of the light input tube (4); A plurality of the annular grooves (12) are arranged at intervals along the axial direction of the light output tube (11), and a plurality of the threaded holes (5) are arranged at intervals along the circumference of the light input tube (4); The adjusting screw (13) is threadedly connected in the threaded hole (5), and when the adjusting screw (13) is tightened, the bottom ends of the plurality of adjusting screws (13) are pressed against the annular groove (12) of the light emitting tube (11) to limit the horizontal movement of the light emitting tube (11) relative to the light input tube (4); when the adjusting screw (13) is loosened, the light emitting tube (11) is driven to move horizontally relative to the light emitting tube (11).

3. The point light source visual detection device according to claim 1, characterized in that: The light intake tube (4) is perpendicular to the outer side surface of the first outer shell (3).

4. The point light source visual detection device according to claim 1, characterized in that: A heat dissipation portion (7) is also provided on the outer side wall of the second outer shell (6).

5. The point light source visual detection device according to claim 4, characterized in that: The heat dissipation portion (7) is a heat dissipation tooth.

6. The point light source visual detection device according to claim 1, characterized in that: The PCB lamp board (10) comprises a PCB board and LED lamp beads electrically connected to the PCB board.

7. The point light source visual detection device according to claim 6, characterized in that: The LED lamp beads are LED lamp beads that can emit lights of various colors.

8. The point light source visual detection device according to claim 1, characterized in that: A wire threading hole (8) is provided at one end of the second outer shell (6) away from the light emitting tube (11), a wire (9) is passed through the wire threading hole (8), and the wire (9) is electrically connected to the PCB light board (10).

9. The point light source visual detection device according to claim 4, characterized in that: The second outer shell (6) is a metal shell.

10. The point light source visual detection device according to claim 1, characterized in that: The light emitting tube (11) is detachably mounted in the mounting opening.

Images