An AOI camera cleaning mechanism

Abstract

The present invention discloses an AOI camera cleaning mechanism, comprising a bracket, a slide rail is arranged on the bracket, a moving seat is movably inserted on the slide rail, a mounting seat is hinged on the moving seat through a hinge shaft, a camera is arranged on the mounting seat, a moving component for driving the moving seat to move along the slide rail is arranged on the bracket, a cleaning device capable of performing dust removal and cleaning on the camera is arranged on the bracket, an adjusting device for driving the mounting seat to adjust the angle is arranged on the moving seat, the camera can be driven to move into the cleaning device through the moving component, and then the camera is cleaned through the cleaning device, so as to ensure that the lens of the camera is kept clean at all times without affecting image acquisition, and better provide high-quality images for later image recognition, avoid misjudgment, and meet the use requirements.

Description

Technical Field

[0001] The invention relates to an AOI camera cleaning mechanism. Background Art

[0002] AOI (Automated Optical Inspection) stands for automatic optical inspection, which is a device that detects common defects encountered in welding production based on optical principles. AOI is a new test technology that has just emerged, but it has developed rapidly, and many manufacturers have launched AOI test equipment. During automatic inspection, the machine automatically scans the PCB through a camera, collects images, compares the tested solder joints with the qualified parameters in the database, and checks the defects on the PCB through image processing, and displays / marks the defects through a display or automatic mark for maintenance personnel to repair;

[0003] Since the most important part of AOI test equipment is image acquisition, and image acquisition relies most on the camera, after long-term use, dust will remain on the existing camera, and the dust will affect the images collected by the camera, thus easily leading to misjudgment in the subsequent image recognition process. The existing camera does not have a cleaning function and requires manual regular cleaning, which cannot meet the needs of use. Therefore, an AOI camera cleaning mechanism is urgently needed to solve this problem. Summary of the invention

[0004] The purpose of the present invention is to provide an AOI camera cleaning mechanism;

[0005] An AOI camera cleaning mechanism designed for this purpose includes a bracket, a slide rail is provided on the bracket, a moving seat is movably inserted on the slide rail, a mounting seat is hinged on the moving seat through a hinge shaft, a camera is provided on the mounting seat, a moving component for driving the moving seat to move along the slide rail is provided on the bracket, a cleaning device capable of removing dust from the camera is provided on the bracket, and an adjusting device for driving the mounting seat to adjust the angle is provided on the moving seat;

[0006] Further, the cleaning device comprises a cleaning shell arranged on the bracket, a through hole is provided on the end of the cleaning shell close to the movable seat, the camera can pass through the through hole into the cleaning shell, an annular dust suction chamber is provided in the cleaning shell, a plurality of dust suction connectors are connected to the wall surface of the annular dust suction chamber, the dust suction connectors are externally connected to the dust suction device, a plurality of nozzles are also provided in the cleaning shell, the nozzles are externally connected to an air compressor or a cleaning liquid spraying device, a through groove is provided on the end surface of the cleaning shell away from the movable seat, and a wiping device is provided in the through groove;

[0007] Furthermore, the cleaning liquid spraying device comprises a cleaning liquid storage tank, an extraction pump and a solenoid valve, wherein the cleaning liquid storage tank, the solenoid valve, the extraction pump and the nozzle are sequentially connected through a conduit, and the nozzle is an atomizing nozzle;

[0008] Further, the wiping device includes a guide rod arranged on the bracket, a movable plate is movably inserted on the guide rod, a first motor is installed on the movable plate, a cleaning member is installed on the motor shaft of the first motor, the cleaning member is located in the through groove, a cylinder is installed on the bracket, and a piston rod of the cylinder is fixedly connected to the movable plate;

[0009] Furthermore, the cleaning member comprises a rubber member arranged on the motor shaft of the first motor, and a flannel is arranged on the end surface of the rubber member close to the camera;

[0010] Further, the adjustment device includes a first gear arranged on the hinge shaft, a mounting bracket is provided on the movable seat, a second motor is mounted on the mounting bracket, a second gear is mounted on the motor shaft of the second motor, and the second gear is meshed with the first gear;

[0011] Furthermore, the movable seat is provided with a pulley, and the pulley is attached to the bracket;

[0012] Further, the moving assembly includes a fixing frame arranged on the bracket, a third motor is arranged on the fixing frame, a first screw rod is arranged on the motor shaft of the third motor, a screw rod nut is arranged on the moving seat, and the screw rod nut is threadedly connected with the first screw rod;

[0013] The present invention has the advantages of simple and reasonable structure and can automatically clean the camera regularly to avoid image acquisition errors. Compared with the existing technology, a moving component for driving the moving seat to move along the slide rail is provided on the bracket, a cleaning device for dust removal and cleaning the camera is provided on the bracket, and an adjusting device for driving the mounting seat to adjust the angle is provided on the moving seat. The camera can be driven to move into the cleaning device through the moving component, and then the camera is cleaned by the cleaning device, which can ensure that the camera lens is always kept clean without affecting image acquisition, can better provide high-quality images for subsequent image recognition, avoid misjudgment, and meet the requirements of use. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is one of the three-dimensional structural schematic diagrams of the present invention;

[0015] Figure 2 It is a schematic diagram of the cross-sectional structure of the present invention;

[0016] Figure 3 This is the second schematic diagram of the three-dimensional structure of the present invention;

[0017] Figure 4 For the present invention Figure 3 The enlarged schematic diagram at A in the middle;

[0018] Figure 5 It is a schematic diagram of the installation position of the present invention;

[0019] Figure 6 It is a schematic diagram of the planar structure of the cleaning liquid spraying device in the present invention. DETAILED DESCRIPTION

[0020] The present invention will be further described below in conjunction with the accompanying drawings and embodiments;

[0021] See also Figure 1-Figure 6 , an AOI camera cleaning mechanism, including a bracket 1, a slide rail 10 is provided on the bracket 1, a moving seat 11 is movably inserted on the slide rail 10, a mounting seat 12 is hinged on the moving seat 11 through a hinge shaft 120, a camera 13 is provided on the mounting seat 12, a moving component 2 for driving the moving seat 11 to move along the slide rail 10 is provided on the bracket 1, a cleaning device 3 for dust removal and cleaning of the camera 13 is provided on the bracket 1, an adjusting device 5 for driving the mounting seat 12 to adjust the angle is provided on the moving seat 11, the camera can be driven to move into the cleaning device through the moving component, and then the camera is cleaned by the cleaning device, which can ensure that the lens of the camera is always kept clean without affecting image acquisition, can better provide high-quality images for later image recognition, avoid misjudgment, and meet the use requirements;

[0022] See also Figure 1-Figure 6 The cleaning device 3 includes a cleaning shell 31 arranged on the bracket 1, and a through hole 32 is provided on the end of the cleaning shell 31 close to the movable seat 11, and the camera 13 can pass through the through hole 32 to enter the cleaning shell 31, and an annular dust suction chamber 33 is provided in the cleaning shell 31, and a plurality of dust suction connectors 34 are connected to the wall surface of the annular dust suction chamber 33, and the dust suction connectors 34 are externally connected to the dust suction device, and a plurality of nozzles 38 are also provided in the cleaning shell 31, and the nozzles 38 are externally connected to an air compressor or a cleaning liquid spraying device, and a through groove is provided on the end surface of the cleaning shell 31 away from the movable seat 11, and a wiping device 300 is provided in the through groove;

[0023] The dust suction device adopts an existing commercially available product, which can achieve the dust suction effect. The dust suction device is connected to the dust suction joint through a conduit. When the dust suction device is started, the dust in the cleaning shell can be sucked out from the dust suction joint, thereby achieving rapid dust removal with high efficiency and good effect.

[0024] By connecting the air compressor to a part of the nozzles 38 and connecting the cleaning liquid spraying device to the other nozzles 38, the air compressor can be started first to blow air toward the camera through the nozzles. The blowing action can blow off the dust adhering to the surface of the camera. At this time, the dust is sucked out from the dust suction joint through the dust suction joint, and then the cleaning liquid is supplied to the nozzles through the cleaning liquid spraying device and sprayed onto the surface of the camera. Then, the camera is wiped clean through the wiping device to complete the entire cleaning process. The camera can be automatically cleaned and cleaned regularly, saving labor and ensuring that the lens is always kept clean without affecting image acquisition. It can better provide high-quality images for later image recognition and avoid misjudgment, which meets the requirements of use.

[0025] See also Figure 1-Figure 6 The cleaning liquid spraying device includes a cleaning liquid storage tank 71, an extraction pump 72 and a solenoid valve 73. The cleaning liquid storage tank 71, the solenoid valve 73, the extraction pump 72 and the nozzle 38 are connected in sequence through a conduit. The nozzle 38 is an atomizing nozzle;

[0026] See also Figure 1-Figure 6 The wiping device 300 includes a guide rod 42 arranged on the bracket 1, a movable plate 35 is movably inserted on the guide rod 42, a first motor 36 is installed on the movable plate 35, a cleaning member 37 is installed on the motor shaft of the first motor 36, and the cleaning member 37 is located in the through groove, and a cylinder 41 is installed on the bracket 1, and the piston rod of the cylinder 41 is fixedly connected to the movable plate 35;

[0027] After the camera is dusted and sprayed with cleaning fluid, the cylinder drives the movable plate to move so that the cleaning piece fits the camera lens, and then the first motor drives the cleaning piece to rotate and wipe the lens, thereby achieving rapid cleaning;

[0028] See also Figure 1-Figure 6 The cleaning member 37 includes a rubber member arranged on the motor shaft of the first motor 36, and a flannel is arranged on the end surface of the rubber member close to the camera 13. The rubber member can play a buffering role when the cylinder drives the moving plate to drive the cleaning member to contact the lens, thereby avoiding damage to the lens caused by hard contact, and the flannel plays a cleaning role;

[0029] See also Figure 1-Figure 6The adjusting device 5 includes a first gear 54 arranged on the hinge shaft 120, a mounting bracket 51 is arranged on the moving seat 11, a second motor 52 is mounted on the mounting bracket 51, a second gear 53 is mounted on the motor shaft of the second motor 52, the second gear 53 and the first gear 54 are meshed with each other, the second motor drives the second gear to rotate and drives the first gear to rotate, so as to drive the hinge shaft to rotate, and the position of the camera can be adjusted according to actual use requirements or when cleaning is required to meet the use requirements in various states;

[0030] See also Figure 1-Figure 6 The movable seat 11 is provided with a pulley 25, and the pulley 25 is attached to the bracket 1, so that the movable seat can move more smoothly and stably during the lateral movement;

[0031] See also Figure 1-Figure 6 The moving assembly 2 includes a fixing frame 21 arranged on the bracket 1, a third motor 22 is arranged on the fixing frame 21, a first screw rod 23 is arranged on the motor shaft of the third motor 22, and a screw nut 24 is arranged on the moving seat 11. The screw nut 24 is threadedly connected with the first screw rod 23. The third motor drives the first screw rod to rotate, which can drive the screw nut and thus drive the moving seat to move. The structure is simple and meets the use requirements;

[0032] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicating the orientation or position relationship are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. The terms "first" and "second" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features;

[0033] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. An AOI camera cleaning mechanism, comprising a bracket (1), a slide rail (10) being arranged on the bracket (1), a movable seat (11) being movably plugged on the slide rail (10), a mounting seat (12) being hingedly connected to the movable seat (11) via a hinge shaft (120), a camera (13) being arranged on the mounting seat (12), and a moving component (2) for driving the movable seat (11) to move along the slide rail (10) being arranged on the bracket (1), characterized in that: The bracket (1) is provided with a cleaning device (3) capable of removing dust from the camera (13), and the movable seat (11) is provided with an adjustment device (5) for driving the mounting seat (12) to adjust the angle; The cleaning device (3) comprises a cleaning shell (31) arranged on the bracket (1); a through hole (32) is provided on the end of the cleaning shell (31) close to the movable seat (11); the camera (13) can pass through the through hole (32) to enter the cleaning shell (31); an annular dust suction chamber (33) is provided in the cleaning shell (31); a plurality of dust suction connectors (34) are connected to the wall surface of the annular dust suction chamber (33); the dust suction connectors (34) are externally connected to the dust suction device; a plurality of nozzles (38) are also provided in the cleaning shell (31); the nozzles (38) are externally connected to an air compressor or a cleaning liquid spraying device; a through groove is provided on the end surface of the cleaning shell (31) away from the movable seat (11); a wiping device (300) is provided in the through groove; The wiping device (300) comprises a guide rod (42) arranged on a bracket (1), a movable plate (35) is movably inserted on the guide rod (42), a first motor (36) is installed on the movable plate (35), a cleaning member (37) is installed on the motor shaft of the first motor (36), the cleaning member (37) is located in the through groove, and a cylinder (41) is installed on the bracket (1), and the piston rod of the cylinder (41) is fixedly connected to the movable plate (35); The cleaning member (37) comprises a rubber member arranged on the motor shaft of the first motor (36), and a flannel is arranged on the end surface of the rubber member close to the camera (13).

2. The AOI camera cleaning mechanism according to claim 1, characterized in that: The cleaning liquid spraying device comprises a cleaning liquid storage tank (71), an extraction pump (72) and a solenoid valve (73); the cleaning liquid storage tank (71), the solenoid valve (73), the extraction pump (72) and the nozzle (38) are connected in sequence through a conduit; and the nozzle (38) is an atomizing nozzle.

3. The AOI camera cleaning mechanism according to claim 1, characterized in that: The adjusting device (5) comprises a first gear (54) arranged on the hinge shaft (120); a mounting bracket (51) is arranged on the movable seat (11); a second motor (52) is mounted on the mounting bracket (51); a second gear (53) is mounted on the motor shaft of the second motor (52); and the second gear (53) and the first gear (54) are meshed with each other.

4. The AOI camera cleaning mechanism according to claim 1, characterized in that: The movable seat (11) is provided with a pulley (25), and the pulley (25) is attached to the bracket (1).

5. The AOI camera cleaning mechanism according to claim 1, characterized in that: The moving assembly (2) comprises a fixed frame (21) arranged on the bracket (1), a third motor (22) is arranged on the fixed frame (21), a first screw rod (23) is arranged on the motor shaft of the third motor (22), and a screw rod nut (24) is arranged on the moving seat (11), and the screw rod nut (24) is threadedly connected to the first screw rod (23).

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