Infrared optical lens detecting and assembling equipment

Abstract

Infrared optical lens detecting and assembling equipment comprises a three-axis XYZ sliding table, a horizontal sliding table and a sliding rod, a first light source detecting part and a telescopic suction cup are installed on the Z axis, the horizontal sliding table and the sliding rod which are parallel are installed below the telescopic suction cup, and a conveying plate and a lens tray are installed on the horizontal sliding table and the sliding rod in a sliding mode. A second light source detection part is installed between the horizontal sliding table and the sliding rod. CCD cameras and annular light sources are arranged in the first detection part and the second detection part, the first detection part slides to the position above a lens to detect the front face of the lens, then the telescopic suction cup sucks the lens and moves the lens to the position above the second detection part to detect the back face of the lens, and the upper position and the lower position are photographed twice and enter software to be processed; scratches, fingerprints, dust and cracks on the lenses are recognized, an alarm is given, defective products are manually processed, the upper faces and the lower faces of the multiple lenses can be detected through one-time setting, the lens detection efficiency is improved, automation of lens detection is achieved, and the labor intensity of workers is relieved.

Description

Technical Field

[0001] The utility model belongs to the technical field of infrared optical lenses, and particularly relates to an infrared optical lens detection and assembly device. Background Art

[0002] The infrared industry in China started relatively late, with relatively weak technology. The research on the detection technology of infrared components is in its infancy. Abroad, the detection technology for infrared production has always been strictly blocked. During the production process, if the size of the lens needs to be measured and its appearance needs to be detected, if the detection is not in place, scratches, fingerprints, dust, and cracks on the lens will affect the factory quality. The existing detection generally detects the lens by image acquisition, and manual operation is required to turn over and align the lens surface, which is cumbersome and has low detection efficiency. Content of the Utility Model

[0003] In order to improve the detection efficiency of infrared optical lenses, realize automatic detection and assemble the detected lenses into the lens frame, the utility model provides an infrared optical lens detection and assembly device.

[0004] The infrared optical lens detection and assembly device is characterized in that: it includes a three-axis XYZ stage, a horizontal stage and a slide bar. The two Y-axes of the three-axis XYZ stage are respectively installed on the stage brackets, the X-axis is arranged between the Y-axes, the first Z-axis and the second Z-axis are arranged on the X-axis, and the X-axis, Y-axis, first Z-axis and second Z-axis are all driven by their respective servo motors to slide;

[0005] A first light source detection component is installed on the first Z-axis. The first light source detection component includes a bracket, an electric screw rod, a first annular light source and a first camera. The bracket is installed on the screw rod of the first Z-axis, the first camera is installed in the installation hole in the middle of the bracket, the electric screw rod is installed at the bottom of the bracket, and the first annular light source is horizontally installed at the bottom of the electric screw rod and slides up and down along the electric screw rod; the photographing direction of the first camera is aligned with the first annular light source;

[0006] A telescopic suction cup is installed on the screw rod of the second Z-axis, the suction cup faces downward, and the upper part of the suction cup is connected with a telescopic air pressure rod, and the telescopic air pressure rod is driven by a suction cup motor;

[0007] The horizontal slide table and the slide rod are installed on the plane below the three-axis XYZ slide table and are located between the two Y axes. The horizontal slide table and the slide rod are arranged in parallel along the X-axis direction. Rails are provided on both the top surface and the side surface of the horizontal slide table. The bottom of the lifting mechanism is installed on the rail on the top surface of the horizontal slide table through a slider driven by a motor. The top of the lifting mechanism is fixed to the edge of the transport plate. The lens tray is slidably installed on the slide rod through a connecting member. Blocks connected to the transport plate through connecting rods are respectively arranged on the front side and the left and right sides of the transport plate. The connecting rods are driven by a connecting rod motor arranged inside the transport plate to drive the three blocks to perform translational motion away from or close to the transport plate. After being lifted by the lifting mechanism, the transport tray can abut against the lens tray and drive it to slide; A second light source detection component is installed between the horizontal slide table and the slide rod. The second light source detection component includes a sliding bracket, a second camera, and a second annular light source. The sliding bracket is provided with a fixed layer and a sliding layer, and the cross-sections of both layers are L-shaped. The sliding layer is arranged on the fixed layer through the rail on the side and is driven by a motor to slide up and down. The upper part of the fixed layer is slidably arranged between the horizontal slide table and the slide rod through a slider and is driven by a motor to perform translational sliding along the X-axis. The second annular light source is horizontally arranged on the top of the fixed layer and is located below the lens tray. Through holes are respectively opened at the centers of the bottom surfaces of the fixed layer and the sliding layer. The second camera is fixed in the through hole of the sliding layer and passes through the through hole of the fixed layer, and is driven by the sliding layer to slide up and down, and the photographing direction of the second camera is aligned with the second annular light source.

[0008] Further, a flush-mounted frame tray is arranged beside the lens tray, and the position of the frame tray does not exceed the moving range of the telescopic suction cup on the X-axis.

[0009] Further, a lens protection device is also installed on the telescopic suction cup. The upper part of the lens protection device is hinged above the suction cup through a connecting rod and is driven by a rotating motor.

[0010] Further, both the first camera and the second camera are large-aperture CCD cameras.

[0011] The beneficial effects of the present utility model are as follows: By cooperating with the operation program set in the computer, the first camera is controlled to take the first photo detection of the front surface of the lens. After the lens is sucked by the suction cup and moved above the second camera, the second photo detection of the back surface of the lens is carried out. The qualified lenses after the detection are directly placed in the adjacent frames. The upper and lower positions are photographed twice and entered into the software for processing, and the scratches, fingerprints, dust, and cracks on the lens are identified and an alarm is given for manual processing of the defective products. It realizes the detection of the upper and lower surfaces of multiple lenses with one setting, improves the efficiency of lens detection, and realizes the automation of lens detection, reducing the labor intensity of manual work. Description of the Drawings

[0012] Figure 1 It is a structural schematic diagram of an infrared optical lens detection and assembly device.

[0013] Figure 2 It is a plan view of an infrared optical lens detection and assembly device.

[0014] Figure 3 It is an installation schematic diagram of an infrared optical lens detection and assembly device.

[0015] Wherein: 1 - three-axis XYZ stage, 11 - Y-axis, 12 - X-axis, 13 - first Z-axis, 14 - second Z-axis;

[0016] 2 - first light source detection component, 21 - bracket, 22 - electric screw rod, 23 - first camera, 24 - first annular light source;

[0017] 3 - telescopic suction cup, 31 - suction cup, 32 - telescopic pneumatic rod, 33 - lens protection device.

[0018] 4 - lens tray, 41 - connecting piece, 5 - transport plate, 51 - lifting mechanism, 52 - stop block, 6 - horizontal stage, 7 - slide bar,

[0019] 8 - second light source detection component, 81 - sliding bracket, 82 - fixed layer, 83 - sliding layer, 84 - second camera, 85 - second annular light source;

[0020] 9 - frame tray. Specific implementation mode

[0021] Embodiment 1: An infrared optical lens detection and assembly device includes a three-axis XYZ stage 1, a horizontal stage 6 and a slide bar 7. The two Y-axes 11 of the three-axis XYZ stage 1 are respectively installed on the stage brackets. An X-axis 12 is arranged between the Y-axes 11. A first Z-axis 13 and a second Z-axis 14 are arranged on the X-axis 12. The X-axis 12, Y-axis 11, first Z-axis 13 and second Z-axis 14 are all driven by their respective servo motors to slide.

[0022] The first light source detection component 2 is installed on the first Z-axis 13. The first light source detection component 2 includes a bracket 21, an electric screw rod 22, a first annular light source 24 and a first camera 23. The bracket 21 is installed on the screw rod of the first Z-axis 13. The first camera 23 is installed in the mounting hole in the middle of the bracket 21. The electric screw rod 22 is installed at the bottom of the bracket 21. The first annular light source 24 is horizontally installed at the bottom of the electric screw rod 22 and slides up and down along the electric screw rod 22. The photographing direction of the first camera 23 is aligned with the first annular light source 24.

[0023] A telescopic suction cup 3 is installed on the lead screw of the second Z-axis 14, with its suction cup 31 facing downward. Above the suction cup 31 is connected to a telescopic pneumatic rod 32, which is driven by a suction cup motor. A lens protection device 33 is also installed on the telescopic suction cup 3. The upper part of the lens protection device 33 is hinged above the suction cup by a connecting rod and is driven by a rotation motor to rotate.

[0024] The horizontal slide table 6 and the slide rod 7 are installed on the plane below the three-axis XYZ slide table 1 and are located between the two Y-axes 11. The horizontal slide table 6 and the slide rod 7 are arranged in parallel along the X-axis 12 direction. The top surface and the side surface of the horizontal slide table 6 are both provided with slide rails. The bottom of the lifting mechanism 51 is installed on the slide rail on the top surface of the horizontal slide table 6 through a motor-driven slider, and the top of the lifting mechanism 51 is fixed to the edge of the transport plate 5. The lens tray 4 is slidably installed on the slide rod 7 through a connecting member 41, and the lens tray 4 can be removed from the connecting member 41; on the front side and the left and right sides of the transport plate 5 are respectively provided with stoppers 52 connected to the transport plate through connecting rods. The connecting rods are driven by a connecting rod motor arranged inside the transport plate to drive the three stoppers 52 to perform translational movement away from or close to the transport plate 5. After the transport plate 5 is lifted by the lifting mechanism 51, it can touch the lens tray 4, and at the same time, the stoppers 52 move to clamp the lens tray 4, thereby driving it to slide. A second light source detection component 8 is installed between the horizontal slide table 6 and the slide rod 7. The second light source detection component 8 includes a sliding bracket 81, a second camera 84, and a second annular light source 85. The sliding bracket 81 is provided with a fixed layer 82 and a sliding layer 83, and the cross-sections of both layers are L-shaped. The sliding layer 83 is arranged on the fixed layer 82 through the slide rail on the side and is driven by a motor to slide up and down. The upper part of the fixed layer 82 is slidably arranged between the horizontal slide table 6 and the slide rod 7 through a slider and is driven by a motor to slide translationally along the X-axis. The second annular light source 85 is horizontally arranged on the top of the fixed layer 82 and is located below the lens tray 4. Through holes are opened at the centers of the bottom surfaces of the fixed layer 82 and the sliding layer 83. The second camera 84 is fixed in the through hole of the sliding layer 83 and passes through the through hole of the fixed layer 82, and is driven by the sliding layer 83 to slide up and down, and the photographing direction of the second camera 84 is aligned with the second annular light source 85.

[0025] A flush-mounted frame tray 9 is arranged beside the lens tray 4, and the position of the frame tray 9 does not exceed the moving range of the telescopic suction cup 3 on the X-axis 12.

[0026] Both the first camera 23 and the second camera 84 are large-aperture CCD cameras.

[0027] During use, first start the lifting mechanism 51 to raise the transport plate 5 and clamp the lens tray 4, and drive the lens tray 4 to slide outwards through the slider. After the staff neatly arrange the lenses on the lens tray 4, the transport plate 5 moves back to its original position. The three-axis XYZ stage 1 drives the first light source detection component 2 to move above the lens through their respective motors, and the top surface size and appearance of the lens are photographed by the first camera 23 and uploaded to the computer for inspection. If scratches, fingerprints, dust, and cracks are found on the lens during the appearance inspection, it is unqualified. Then, move the telescopic suction cup 3 by the three-axis XYZ stage 9, suck a lens and move it above the second light source detection component 8, and photograph the bottom surface of the lens by the second camera 84 and upload it, and compare the detection content with the first detection content; the lenses that pass both inspections are moved by the telescopic suction cup 3 to the position of the frame tray 9 and placed into the frame.

Claims

1. Infrared optical lens inspection and assembly equipment, characterized by: It includes a three-axis XYZ slide, a horizontal slide and a slide bar, wherein two Y axes of the three-axis XYZ slide are respectively installed on the slide bracket, an X axis is arranged between the Y axes, a first Z axis and a second Z axis are arranged on the X axis, and the X axis, the Y axis, the first Z axis and the second Z axis are all driven by respective servo motors to slide; A first light source detection component is installed on the first Z axis, and the first light source detection component includes a bracket, an electric screw, a first annular light source and a first camera. The bracket is installed on the screw of the first Z axis, the first camera is installed in the mounting hole in the middle of the bracket, the electric screw is installed at the bottom of the bracket, and the first annular light source is horizontally installed at the bottom of the electric screw and slides up and down along the electric screw; the shooting direction of the first camera is aligned with the first annular light source; A telescopic suction cup is installed on the screw rod of the second Z axis, the suction cup faces downward, and the upper part of the suction cup is connected to a telescopic pneumatic rod, which is driven by the suction cup motor; The horizontal slide and the slide bar are installed on the plane below the three-axis XYZ slide and are located between the two Y axes. The horizontal slide and the slide bar are arranged in parallel along the X-axis direction. The top and side surfaces of the horizontal slide are provided with slide rails. The bottom of the lifting mechanism is installed on the slide rail on the top surface of the horizontal slide by a slider driven by a motor. The top of the lifting mechanism is fixed to the edge of the transport plate. The lens tray is slidably installed on the slide bar through a connecting piece. The front side and the left and right sides of the transport plate are respectively provided with blocks connected to the transport plate through connecting rods. The connecting rod is driven by a connecting rod motor arranged in the transport plate to drive the three blocks to achieve translational movement away from or close to the transport plate. After the transport plate is lifted by the lifting mechanism, it can contact the lens tray and drive it to slide. A second light source detection component is installed between the horizontal slide and the slide bar. The second light source detection component includes a sliding bracket, a second camera and a second annular light source. The sliding bracket is provided with a fixed layer and a sliding layer. The cross-sections of the two layers are both L-shaped. The sliding layer is arranged on the fixed layer through a side slide rail and is driven by a motor to slide up and down. The upper part of the fixed layer is slidably arranged between the horizontal slide and the slide bar through a slider, and is driven by a motor to slide translationally along the X-axis. The second annular light source is horizontally arranged on the top of the fixed layer and is located below the lens tray. Through holes are provided in the centers of the bottom surfaces of the fixed layer and the sliding layer. The second camera is fixed in the through hole of the sliding layer and passes through the through hole of the fixed layer. It is driven by the sliding layer to slide up and down, and the shooting direction of the second camera is aligned with the second annular light source.

2. The infrared optical lens detection and assembly equipment according to claim 1, characterized in that A flush frame tray is arranged next to the lens tray, and the position of the frame tray does not exceed the movable range of the telescopic suction cup on the X-axis.

3. The infrared optical lens detection and assembly equipment according to claim 1, characterized in that The telescopic suction cup is also provided with a lens protection device, the upper part of which is hinged to the upper part of the suction cup through a connecting rod and is driven by a rotating motor.

4. The infrared optical lens detection and assembly equipment according to claim 1, characterized in that The first camera and the second camera are both large-aperture CCD cameras.

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