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CN-121978106-A - Special miniature bearing appearance defect detection device

CN121978106ACN 121978106 ACN121978106 ACN 121978106ACN-121978106-A

Abstract

The invention provides a special miniature bearing appearance defect detection device which comprises a frame, a feeding component, a discharging component, a rotating disc, a clamp component and a detection component, wherein the feeding component is arranged on the frame, the discharging component is arranged on the frame, the rotating disc is arranged on the inner side of the frame, the clamp component is arranged on the rotating disc and used for receiving a bearing in the feeding component and sending the bearing into the discharging component after detection is completed, the detection component is fixedly arranged on the frame and used for driving the clamp component to rotate to the bottom of the detection component and complete detection, the detection component comprises a bearing front detection station I, a bearing overturning station, a bearing back detection station I, an outer circle detection station I and an inner hole detection station I which are sequentially arranged, the bearing front detection station I and the bearing back detection station I complete image comparison detection through a color camera, the outer circle detection station I complete image comparison detection through a linear array camera, and the inner hole detection station completes image comparison detection through an endoscope head camera.

Inventors

  • XU ZONGBEN
  • YANG KUN
  • JIANG WENFENG

Assignees

  • 台州数本人工智能科技有限公司

Dates

Publication Date
20260505
Application Date
20260107

Claims (7)

  1. 1. The device for detecting the appearance defects of the miniature bearing is characterized by comprising a frame (1); The feeding assembly (2) is arranged on the frame (1); The blanking assembly (3) is arranged on the frame (1); A turntable (4) arranged on the inner side of the frame (1); The fixture assembly (5) is arranged on the turntable (4), and the fixture assembly (5) is used for receiving the bearing in the feeding assembly (2) and sending the bearing into the discharging assembly (3) after detection is completed; The detection assembly (6) is fixedly arranged on the frame (1), and the turntable (4) is used for driving the clamp assembly (5) to rotate to the bottom of the detection assembly (6) and completing detection; The detection assembly (6) comprises a bearing front detection station I (7), a bearing overturning station (8), a bearing back detection station I (9), an outer circle detection station I (10) and an inner hole detection station (11) which are sequentially arranged, wherein the bearing front detection station I (7) and the bearing back detection station I (9) complete image contrast detection through a color camera, the outer circle detection station I (10) complete image contrast detection through a linear array camera, and the inner hole detection station (11) complete image contrast detection through an endoscope head camera.
  2. 2. The ultra-miniature bearing appearance defect detection device according to claim 1, wherein the feeding assembly (2) comprises a vibrating disc (15), a conveyor belt (16), a pushing slideway (17) and a pushing cylinder (18), the vibrating disc (15) sends bearings into the conveyor belt (16), and the pushing cylinder (18) pushes the bearings on the conveyor belt (16) into the pushing slideway (17) and into the clamp assembly (5).
  3. 3. The special miniature bearing appearance defect detection device according to claim 2 is characterized in that an oil removing ring (19) is further arranged on the pushing slideway (17), flannelette is arranged on the surface of the oil removing ring (19), when the bearing passes through the oil removing ring (19), the oil removing ring (19) wipes the upper surface of the bearing, the flannelette is also wrapped on the surface of the conveying belt (16), a limiting block (20) is arranged at the side end of the conveying belt (16), and when the bearing abuts against the limiting block (20), the conveying belt (16) drives the flannelette to remove oil on the bottom of the bearing.
  4. 4. The device for detecting the appearance defects of the miniature bearing according to claim 1, wherein the clamp assembly (5) comprises a clamping cylinder (21), a pair of clamping heads (22) are arranged at the end part of the clamping cylinder (21), a rotating piece (23) is arranged in the clamping heads (22), and the rotating piece (23) is used for driving the excircle of the bearing to rotate and is matched with a linear array camera to complete detection.
  5. 5. The special miniature bearing appearance defect detection device according to claim 4, wherein the clamp head (22) is internally provided with a mounting groove (24), the rotating piece (23) is arranged in the mounting groove (24) and comprises an input shaft (25) and a first supporting wheel (26), the input shaft (25) is provided with a first gear (27), the inner side of the first supporting wheel (26) is provided with a first gear tooth (28), the first gear (27) is meshed with the first gear tooth (28), the first supporting wheel (26) is matched with a clamping bearing, the first supporting wheel (26) is driven to rotate and drive the bearing to rotate when the input shaft (25) rotates, a servo motor (29) and a lifting seat (30) are further arranged at the bottom of the first outer circle detection station (10), and when the clamp assembly (5) moves to the first outer circle detection station (10), the lifting seat (30) drives the servo motor (29) to move upwards and enables the output end of the servo motor to be connected with the input shaft (25).
  6. 6. The device for detecting the appearance defects of the miniature bearing according to claim 5, wherein an end face oil removing assembly (31) is further arranged in the mounting groove (24), the end face oil removing assembly (31) rotates reversely relative to the bearing, and the input shaft (25) drives the end face oil removing assembly (31) to rotate for oil removal.
  7. 7. The ultra-miniature bearing appearance defect detection device according to claim 6, wherein the end face oil removal assembly (31) comprises an oil removal belt (32), a second abutting wheel (33), a power wheel (34) and a tensioning block (35), the oil removal belt (32) is wound on the first abutting wheel (26), the second abutting wheel (33), the tensioning block (35) and the power wheel (34), the second abutting wheel (33) is provided with a second gear tooth (36), the second gear tooth (36) is meshed with the first gear (27), and the power wheel (34) is matched with the first abutting wheel (26) to drive the oil removal belt (32) to reversely rotate relative to the outer ring of the bearing.

Description

Special miniature bearing appearance defect detection device Technical Field The invention relates to a detection device, in particular to a device for detecting appearance defects of a miniature bearing. Background At present, chinese patent with bulletin number CN106053487B discloses a bearing appearance omnibearing visual detection device, which comprises a frame, be equipped with image acquisition mechanism and last light source in the frame, image acquisition mechanism is located the top of last light source, the frame is located the department under the last light source and is provided with down the light source, down the light source up end is equipped with the dark glass that covers down the light source. The bearing is irradiated by the upper light source and the lower light source, so that shadows on the bearing can be effectively eliminated, and meanwhile, dark glass exists, so that the influence of the lower light source on the image acquired by the image acquisition mechanism can be avoided. The above patent still has the defect that the detection efficiency is low and the defect is easy to miss because the above patent only detects one side of the bearing and can not realize observing the end face, the outer circle surface and the inner side of the inner ring of the bearing. Disclosure of Invention In view of the above, the present invention is to provide a miniature bearing appearance defect detection device with comprehensive detection function. In order to solve the technical problems, the technical scheme of the invention is that the special miniature bearing appearance defect detection device comprises a rack; The feeding assembly is arranged on the frame; The blanking assembly is arranged on the frame; a turntable arranged on the inner side of the frame; the clamp assembly is arranged on the turntable, and is used for receiving the bearing in the feeding assembly and sending the bearing into the discharging assembly after detection is completed; The detection assembly is fixedly arranged on the rack, and the turntable is used for driving the clamp assembly to rotate to the bottom of the detection assembly and completing detection; The detection assembly comprises a bearing front detection station I, a bearing overturning station, a bearing back detection station I, an outer circle detection station I and an inner hole detection station which are sequentially arranged, wherein the bearing front detection station I and the bearing back detection station I complete image contrast detection through a color camera, the outer circle detection station I complete image contrast detection through a linear array camera, and the inner hole detection station completes image contrast detection through an endoscope head camera. Preferably, the feeding assembly comprises a vibration disc, a conveyor belt, a pushing slideway and a pushing cylinder, wherein the vibration disc sends bearings into the conveyor belt, and the pushing cylinder pushes bearings on the conveyor belt into the pushing slideway and enters the clamp assembly. Preferably, the pushing slideway is further provided with an oil removing ring, the surface of the oil removing ring is provided with flannelette, when the bearing passes through the oil removing ring, the oil removing ring wipes the upper surface of the bearing, the surface of the conveying belt is also wrapped with the flannelette, the side end of the conveying belt is provided with a limiting block, and when the bearing abuts against the limiting block, the conveying belt drives the flannelette to remove oil on the bottom of the bearing. Preferably, the fixture assembly comprises a clamping cylinder, a pair of chucks are arranged at the end parts of the clamping cylinder, a rotating piece is arranged in each chuck and used for driving the outer circle of the bearing to rotate, and the detection is completed by matching with the linear array camera. Preferably, the chuck is internally provided with a mounting groove, the rotating piece is arranged in the mounting groove and comprises an input shaft and a first supporting wheel, the input shaft is provided with a first gear, the first supporting wheel is internally provided with a first gear tooth, the first gear is meshed with the first gear tooth, the first supporting wheel is matched with a clamping bearing, the first supporting wheel is driven to rotate and drive the bearing to rotate when the input shaft rotates, a servo motor and a lifting seat are further arranged at the bottom of the outer circle detection station, and the clamp assembly moves to the outer circle detection station, and the lifting seat drives the servo motor to move upwards and enables the output end of the servo motor to be connected with the input shaft. Preferably, an end surface oil removing assembly is further arranged in the mounting groove, the end surface oil removing assembly reversely rotates relative to the bearing, and the input shaft driv