Multi-angle polishing device

Abstract

The utility model discloses a multi-angle lighting device, which relates to the technical field of lighting devices and comprises an outer ring, a light source device is arranged at the bottom of the outer ring, the light source device comprises a three-color lamp panel, a reflective bowl, a Fresnel lens and a magnification lens which are sequentially arranged, and a voice coil motor and a galvanometer are mounted at the bottom of the outer ring. An output shaft of the voice coil motor is fixedly connected with a rotating shaft of the vibrating lens, and the vibrating lens is located right opposite to the magnification lens. By using the light source device and the voice coil motor, the vertical angle of the light source is adjusted, the success rate of identification is improved, the condition of metal reflection is well handled, meanwhile, a background program analyzes image information and sends specific parameters to set the brightness and color values of the three-color lamp panel, the contrast ratio and definition of images are optimized, and the quality of the three-color lamp panel is improved. Therefore, the device adapts to illumination conditions of different environments, detects objects with unobvious chromatic aberration, and mainly solves the problem that the existing fixed lighting mode for metal and glass surfaces is poor in effect.

Description

Technical Field

[0001] The utility model relates to the technical field of lighting devices, in particular to a multi-angle lighting device. Background Art

[0002] Currently, existing fixed lighting methods are ineffective for surface inspection and image recognition of materials like metal and glass. They suffer from issues such as glare, unclear marking color contrast, and low recognition success rates. Furthermore, traditional lighting devices are cumbersome and inefficient when adjusting the lighting angle, making them unable to meet the demands of modern production.

[0003] Therefore, we designed a multi-angle lighting device to solve the above problems. Utility Model Content

[0004] The purpose of the present invention is to provide a multi-angle lighting device to solve the problems raised in the above background technology.

[0005] In order to solve the above technical problems, the utility model provides a multi-angle lighting device, including an outer ring, a light source device is provided at the bottom of the outer ring, and the light source device includes a three-color lamp panel, a reflective bowl, a Fresnel lens and a magnifying lens arranged in sequence. A voice coil motor and a vibrating lens are installed at the bottom of the outer ring, and the output shaft of the voice coil motor is fixedly connected to the rotating shaft of the vibrating lens. The vibrating lens is located directly opposite the magnifying lens, and the three-color lamp panel is located on the side of the magnifying lens away from the vibrating lens. The inner side wall of the outer ring is rotatably connected to the inner ring, an industrial camera is provided above the inner ring, and a lens is fixedly connected to the bottom of the industrial camera.

[0006] Furthermore, an annular groove is provided on the top of the outer ring, and a rubber track is fixedly connected to the top wall of the annular groove. A motor is provided above the inner ring, and the motor is fixedly connected to the top of the inner ring. The output shaft of the motor is fixedly connected to a rubber wheel, and the rubber wheel is located on the top of the rubber track and is connected to the rubber track through rolling contact.

[0007] Furthermore, the light source device further includes a protective mirror, which is located on a side of the magnifying lens close to the vibration lens.

[0008] Furthermore, a protective shell is sleeved on the outside of the light source device, and the protective shell is fixedly connected to the bottom of the outer ring.

[0009] Furthermore, a fixing seat is provided above the inner ring, the fixing seat is fixedly installed on the top of the inner ring, and one side of the fixing seat is fixedly connected to the industrial camera.

[0010] Furthermore, the inner ring is concentrically arranged with the outer ring, and the inner ring remains fixed when the outer ring rotates.

[0011] Furthermore, heat dissipation holes are evenly distributed on the outer surface of the protective shell.

[0012] Furthermore, the protective shell is made of carbon fiber reinforced composite material.

[0013] Compared with the prior art, the beneficial effects of the present invention are:

[0014] 1. By using a light source device and a voice coil motor, the vertical angle of the light source is adjusted to improve the recognition success rate and handle metal reflections. At the same time, the background program analyzes image information and sends specific parameters to set the brightness and color values ​​of the three-color light panel, optimizing the contrast and clarity of the image. This adapts to the lighting conditions of different environments and detects objects with subtle color differences. This mainly solves the problem of poor performance of existing fixed lighting methods on metal and glass surfaces.

[0015] 2. By setting up a motor to drive the rubber track to rotate, the outer ring, light source device, and vibrating lens are simultaneously driven to rotate horizontally, thereby controlling the direction of light input and adjusting the horizontal angle of the light source. In conjunction with the voice coil motor and controller, the light source can be freely adjusted in the horizontal and vertical directions. If an NG is detected, the device will automatically adjust the lighting angle multiple times according to the background program, or quickly switch to other preset positions. The outer surface of the protective shell is evenly distributed with heat dissipation holes, which can effectively dissipate the heat generated by the light source device during operation. The protective shell is made of a carbon fiber reinforced composite material with light-shielding and heat-resistant properties, ensuring the contrast and uniformity of the light inside the light source device. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural diagram of the utility model;

[0017] Figure 2 This is a schematic diagram of the bottom structure of the utility model;

[0018] Figure 3 It is a top view of the utility model;

[0019] Figure 4 This is a cross-sectional view of the protective shell of the present invention.

[0020] In the figure: 1. Industrial camera; 2. Lens; 3. Rubber track; 4. Rubber wheel; 5. Motor; 6. Three-color light panel; 7. Voice coil motor; 8. Vibration lens; 9. Protective shell; 10. Reflector bowl; 11. Fresnel lens; 12. Magnifying lens; 13. Protective lens; 14. Fixing seat; 15. Outer ring; 16. Annular groove; 17. Inner ring. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0022] See also Figure 1-4 The utility model provides a technical solution: a multi-angle lighting device, including an outer ring 15, a light source device is provided at the bottom of the outer ring 15, and the light source device includes a three-color lamp panel 6, a reflective bowl 10, a Fresnel lens 11 and a magnifying lens 12 arranged in sequence, wherein the three-color lamp panel 6 is provided with three independent chips, which can support customized color adjustment according to the material of the object to be measured, and the three-color lamp panel 6 is electrically connected to a power supply 1 through a wire, and is connected to a background program through Ethernet. The reflective bowl 10 is used to scatter the discrete light of the light source to the next lens, the Fresnel lens 11 is used to collimate the discrete light to the next lens, and the magnifying lens 12 provides a smaller magnification to diffuse the light source. A voice coil motor 7 and a vibrating lens 8 are installed at the bottom of the outer ring 15. The voice coil motor 7 is connected to the power supply 1 through a power line A, and is connected to the controller through a control line A. The controller is connected to the background program through a data communication line. The output shaft of voice coil motor 7 is fixedly connected to the rotating shaft of vibrating lens 8. Vibrating lens 8 is located directly opposite magnifying lens 12, and tricolor light panel 6 is located on the side of magnifying lens 12 away from vibrating lens 8. The inner wall of outer ring 15 is rotatably connected to inner ring 17 via a ball bearing. The outer ring of the ball bearing is fixedly connected to outer ring 15, and the inner ring is fixedly connected to inner ring 17. When outer ring 15 rotates, the balls roll between the inner and outer rings, allowing outer ring 15 to rotate smoothly. Inner ring 17, fixed to the inner ring of the ball bearing, remains stationary, enhancing the stability of outer ring 15 during horizontal rotation. Industrial camera 1 is located above inner ring 17, and lens 2 is fixedly connected to the bottom of industrial camera 1. Industrial camera 1 is connected to the background program via a data transmission line.

[0023] During specific implementation, the three-color lamp panel 6 is turned on. The light emitted by the three-color lamp panel 6 passes through the reflective bowl 10, the Fresnel lens 11 and the magnifying lens 12 in sequence, and then illuminates the surface of the vibrating lens 8. The vibrating lens 8 reflects the light to the surface of the object to be detected. The industrial camera 1 takes a picture of the object to be detected through the lens 2 and transmits the image information to the background for processing. When recognition NG occurs, the background program sends a control instruction to the controller, and the controller controls the rotation of the voice coil motor 7 to adjust the angle of the vibrating lens 8, and then adjusts the vertical angle of the light source to improve the success rate of recognition. At the same time, the background program sends specific commands and parameters to set the brightness and color value of the three-color lamp panel 6, optimize the contrast and clarity of the image, so as to adapt to the lighting conditions of different environments.

[0024] Furthermore, to improve the efficiency of the entire lighting device, a storage unit can be provided in the controller to store preset lighting angle values. The preset angle values ​​can be written to the storage unit via an external device (such as a computer) connected to the controller. During the detection process, the controller, based on instructions from the background program, reads the corresponding preset angle value from the storage unit and controls the rotation of the voice coil motor 7 to adjust the lighting angle.

[0025] See Figure 1-3 As shown, an annular groove 16 is defined at the top of the outer ring 15, with the rubber track 3 fixedly connected to the inner top wall of the annular groove 16. A motor 5 is positioned above the inner ring 17 and fixedly connected to the top of the inner ring 17. The output shaft of the motor 5 is fixedly connected to the rubber wheel 4. The motor 5 is connected to a power source 1 via a power line B and to a controller via a control line B. The rubber wheel 4 is located on top of the rubber track 3 and is connected to the rubber track 3 through rolling contact. Rotation of the rubber track 3 simultaneously drives the outer ring 15, the light source device, and the vibrating lens 8 to rotate horizontally, thereby controlling the direction of light incidence and adjusting the horizontal angle of the light source.

[0026] See Figure 4 The light source device also includes a protective mirror 13, which is located on the side of the magnifying lens 12 close to the vibration lens 8. The protective mirror 13 prevents external dust, impurities, water vapor, etc. from entering the interior of the light source device, avoiding pollution and damage to important optical components such as the three-color lamp panel 6, the reflective bowl 10, the Fresnel lens 11 and the magnifying lens 12, thereby extending the service life.

[0027] See Figure 1-4 The light source device is covered with a protective housing 9, which is fixedly connected to the bottom of the outer ring 15 to provide physical protection for the light source device. The interior of the protective housing 9 is designed with specialized slots, brackets, and fixing screws for mounting and securing the various optical components. The protective housing 9 is made of a light-shielding material to prevent external stray light from entering the light source device, thereby improving the contrast and uniformity of the illumination and enhancing image recognition.

[0028] See Figure 1-2 A fixing seat 14 is provided above the inner ring 17 , and the fixing seat 14 is fixedly installed on the top of the inner ring 17 . One side of the fixing seat 14 is fixedly connected to the industrial camera 1 , providing a stable support and installation foundation for the industrial camera 1 .

[0029] See Figure 1-3 The inner ring 17 is concentrically arranged with the outer ring 15, and the inner ring 17 remains fixed when the outer ring 15 rotates. This structural design ensures the accuracy of the outer ring 15 during horizontal rotation, so that the light source can accurately adjust the angle to illuminate the surface of the object to be detected.

[0030] See Figure 1-4The outer surface of the protective shell 9 is evenly distributed with heat dissipation holes, which can effectively dissipate the heat generated when the light source device is working.

[0031] See Figure 1-4 The protective shell 9 is made of carbon fiber reinforced composite material, which has light-shielding and heat-resistant properties, and can block external stray light from entering the interior of the protective shell 9, ensuring the lighting contrast and uniformity inside the light source device.

[0032] Working Principle: When inspecting the surfaces of materials such as metal and glass, the three-color light panel 6 is turned on. The light emitted by the three-color light panel 6 passes through the reflective bowl 10, Fresnel lens 11, magnifying lens 12, and protective lens 13 in sequence before irradiating the surface of the object being inspected. The industrial camera 1 photographs the object being inspected through the lens 2 and transmits the acquired image information to the backend for processing. If an NG is detected, the backend program sends a control instruction to the controller. After receiving these instructions, the controller controls the rotation of the motor 5 and voice coil motor 7 accordingly to adjust the horizontal and vertical angles of the light source. This allows the entire device to automatically adjust the lighting angle according to the backend program's decision, avoiding problems such as reflections and unclear marking color contrast, thereby improving the accuracy of the image recognition algorithm. Furthermore, the voice coil motor 7 has the characteristics of high speed and low inertia, enabling the device to respond quickly, saving time in the photography process and improving production efficiency. For different inspection object materials, specific color light sources may better highlight their features or defects. Since the three-color light panel 6 is connected to the background program via Ethernet and supports custom adjustment of color and brightness, it can optimize the contrast and clarity of the image to adapt to the lighting conditions of different environments.

[0033] When industrial camera 1 detects a possible crack in the glass, background data combined with image processing algorithms identifies the area where the crack may be located. It then sends instructions to the controller to determine whether the crack exists using a variety of preset lighting angles. This streamlines the process and reduces detection time.

[0034] When the left and right sides of the inspection object are at different heights, you only need to preset two different angle combinations so that the light source illuminates the left and right sides of the inspection object at a specific angle. By lighting and photographing the left and right sides, you can determine the shadow width and then determine the high and low sides.

Claims

1. A multi-angle lighting device, comprising an outer ring (15), characterized in that: A light source device is provided at the bottom of the outer ring (15), and the light source device includes a three-color lamp panel (6), a reflective bowl (10), a Fresnel lens (11) and a magnifying lens (12) arranged in sequence. A voice coil motor (7) and a vibration lens (8) are installed at the bottom of the outer ring (15). The output shaft of the voice coil motor (7) is fixedly connected to the rotating shaft of the vibration lens (8). The vibration lens (8) is located directly opposite the magnifying lens (12). The three-color lamp panel (6) is located on the side of the magnifying lens (12) away from the vibration lens (8). The inner side wall of the outer ring (15) is rotatably connected to the inner ring (17). An industrial camera (1) is provided above the inner ring (17), and a lens (2) is fixedly connected to the bottom of the industrial camera (1).

2. The multi-angle lighting device according to claim 1, characterized in that: An annular groove (16) is provided on the top of the outer ring (15), and a rubber track (3) is fixedly connected to the inner top wall of the annular groove (16). A motor (5) is provided above the inner ring (17), and the motor (5) is fixedly connected to the top of the inner ring (17). The output shaft of the motor (5) is fixedly connected to a rubber wheel (4), and the rubber wheel (4) is located on the top of the rubber track (3) and is connected to the rubber track (3) through rolling contact.

3. The multi-angle lighting device according to claim 1, characterized in that: The light source device further comprises a protective mirror (13), and the protective mirror (13) is located on a side of the magnifying mirror (12) close to the vibrating lens (8).

4. The multi-angle lighting device according to claim 3, characterized in that: A protective shell (9) is sleeved on the outside of the light source device, and the protective shell (9) is fixedly connected to the bottom of the outer ring (15).

5. The multi-angle lighting device according to claim 2, characterized in that: A fixing seat (14) is provided above the inner ring (17), and the fixing seat (14) is fixedly mounted on the top of the inner ring (17), and one side of the fixing seat (14) is fixedly connected to the industrial camera (1).

6. The multi-angle lighting device according to claim 5, characterized in that: The inner ring (17) is concentrically arranged with the outer ring (15), and the inner ring (17) remains fixed when the outer ring (15) rotates.

7. The multi-angle lighting device according to claim 4, characterized in that: The outer surface of the protective shell (9) is provided with heat dissipation holes.

8. The multi-angle lighting device according to claim 7, characterized in that: The protective shell (9) is made of carbon fiber reinforced composite material.

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