Defect detection device for vehicle body sticker

Abstract

The utility model belongs to the technical field of detection, and particularly relates to a vehicle body patch flaw detection device which comprises a transmission belt, the left side of the top end of the transmission belt is fixedly connected with front and back opposite supporting rods, the inner sides of the top ends of the supporting rods are fixedly connected with first fixing rods, and the left side of the front end of each first fixing rod is fixedly connected with a third motor. The output end of the third motor is fixedly connected with a belt pulley, the rear end of the right side of the belt pulley is fixedly connected with a first lead screw, the middle end of the first lead screw is in threaded connection with a first threaded sleeve, and the right side of the first threaded sleeve is fixedly connected with a fixing frame. According to the vehicle body sticker defect detection device provided by the utility model, the CCD camera is adjusted front and back, and the lifting assembly drives the CCD camera to lift, so that the device can carry out overall detection on a vehicle body sticker, and meanwhile, through the position movement and lifting of the CCD camera, part of the position of the vehicle body sticker is accurately detected; and missing detection and false detection are reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of detection, specifically a car body paste flaw detection device. BACKGROUND

[0002] The car body paste flaw detection device is crucial in automobile manufacturing and the aftermarket, mainly used to improve the quality and installation precision of car body film. With the widespread application of car body film in protecting car paint and enhancing appearance, film surface flaws such as bubbles, wrinkles, and scratches have become important issues affecting its function and appearance. Modern detection technology combines artificial intelligence, deep learning, and computer vision, using high-resolution cameras, laser scanning, and other means to accurately identify flaws and optimize detection accuracy. In the future, detection devices will develop towards intelligence and automation, combining multi-sensor and Internet of Things technology to further improve detection efficiency and management level, ensuring higher quality assurance.

[0003] After searching, the existing patent (publication number: CN220961296U) discloses a car body paste flaw detection device, relating to the technical field of detection. The car body paste flaw detection device includes a CCD camera, which is fixed on the side of the top cover near the first conveyor for detecting patterns on the car body paste. The first conveyor and the second conveyor are arranged in an up-down staggered manner, and a defective car body paste recycling scrap storage box is provided on one side of the second conveyor. When in use, the cut car body paste is transmitted from the first conveyor, the CCD camera takes a photo of the car body paste, and then transmits the photo information to the industrial computer for comparison with the internally stored qualified car body paste patterns. The color depth and whether there is a lack or defect of the car body are analyzed, and the product quality inspection efficiency is improved through automatic judgment.

[0004] However, in the actual use process of the above-mentioned scheme, the CCD camera is used for overall detection of the car body paste, but during the detection process, the CCD camera is fixedly arranged, which may cause problems such as missed detection, false detection, and low detection accuracy, affecting the final product quality and production efficiency.

[0005] Therefore, the utility model provides a car body paste flaw detection device. UTILITY MODEL CONTENTS

[0006] In order to make up for the shortcomings of the prior art and solve the problem of fixed arrangement of the CCD camera, which may cause problems such as missed detection, false detection, and low detection accuracy, the utility model provides a car body paste flaw detection device.

[0007] The utility model discloses a technical scheme that solves its technical problem is adopted: a kind of car body paste flaw detection device described in the utility model, including transmission belt, the transmission belt top end left side fixedly connected with the support rod opposite in front and back, the support rod top end inboard fixedly connected with first fixed link, the first fixed link front end left side fixedly connected with third motor, the third motor output fixedly connected with pulley, the pulley right side rear end fixedly connected with first lead screw, the first lead screw middle end is connected with first threaded sleeve with screw thread, the first threaded sleeve right side fixedly connected with fixed frame, the fixed frame right side is provided with lifting assembly.

[0008] Further, the lifting assembly includes a second fixed rod, the second fixed rod is fixedly connected with the right side of the fixed frame, the fourth motor is fixedly connected with the top end of the second fixed rod, the second lead screw is fixedly connected with the output end of the fourth motor, and the second threaded sleeve is connected with the outer side of the middle end of the second lead screw with screw thread.

[0009] Further, the mounting plate is fixedly connected with the right side of the second threaded sleeve, and the CCD camera is fixedly connected with the right side of the mounting plate.

[0010] Further, the transmission belt middle end outer side fixedly connected with the support frame opposite in front and back, the support frame top end fixedly connected with second motor, the second motor output fixedly connected with groove cylinder, the groove cylinder outer side one end rotationally connected with limit ring, the groove cylinder middle end outer side is equipped with limit slot.

[0011] Further, the limit ring bottom end inboard fixedly connected with limit plate, the limit plate inboard fixedly connected with slide rod, the slide rod middle end outer side slidingly connected with sliding block, the sliding block inboard one end fixedly connected with spring, the sliding block top end fixedly connected with limit ball, the limit ball and limit slot slidingly connected, the sliding block bottom end fixedly connected with guide frame.

[0012] Further, the transmission belt outer wall is fixedly connected with the support feet which are uniformly distributed on the outer side, the first motor is arranged on the right side rear end of the transmission belt, the fixed plates opposite in front and back are fixedly connected with the top side of the middle end of the transmission belt, and the fixed plates are fixedly connected with the limit ring.

[0013] The utility model has the advantages as follows:

[0014] 1. The car body paste flaw detection device disclosed by the utility model can drive the CCD camera to move forward and backward through the rotation of the first lead screw, the first threaded sleeve and the structure on the right side of the first threaded sleeve, so that the position of the CCD camera is adjusted, and the CCD camera is lifted through the lifting assembly, so that the device can detect the car body paste as a whole, and the position of the car body paste can be accurately detected through the movement and lifting of the CCD camera, so that the missed detection and false detection are reduced.

[0015] 2.The vehicle body sticker defect detection device, the limiting ball is driven to move forward and backward through the rotation of the groove cylinder and the limiting groove on the both sides, so as to drive the slider and the guide frame to move forward and backward through the limiting ball, thereby adjusting the position of the vehicle body sticker on the top end of the transmission belt, and correcting, which can significantly improve the detection accuracy and production efficiency, and ensure that the detection head scans at the best angle. BRIEF DESCRIPTION OF DRAWINGS

[0016] The utility model makes further explanation in combination with the drawings.

[0017] Figure 1 It is the three-dimensional structure schematic diagram in the utility model;

[0018] Figure 2 It is the local three-dimensional structure schematic diagram in the utility model;

[0019] Figure 3 It is the section structure schematic diagram of limiting plate in the utility model;

[0020] Figure 4 It is the local three-dimensional structure schematic diagram of first screw rod in the utility model;

[0021] Figure 5 It is the section structure schematic diagram of second fixed rod in the utility model;

[0022] In the drawing: 1, transmission belt; 11, support foot; 12, first motor; 13, fixed plate; 2, support frame; 21, second motor; 22, limiting ring; 23, groove cylinder; 24, limiting groove; 25, limiting plate; 26, limiting ball; 27, slider; 28, guide frame; 29, sliding rod; 210, spring; 3, support rod; 31, first fixed rod; 32, third motor; 33, belt pulley; 34, first screw rod; 35, first threaded sleeve; 36, fixed frame; 4, second fixed rod; 41, fourth motor; 42, second screw rod; 43, second threaded sleeve; 44, mounting plate; 45, CCD camera. DETAILED DESCRIPTION

[0023] In order to make the technical means, creative features, purposes and effects realized by the utility model easy to understand, the utility model is further described in combination with specific implementation manners.

[0024] Example one:

[0025] As Figures 1 to 5The utility model provides a kind of vehicle body flaw detection device shown, including transmission belt 1, the top left side of transmission belt 1 is fixedly connected with the support rod 3 opposite in front and back, and the support rod 3 is fixedly connected with the first fixed rod 31 in the top inside of support rod 3, and the first fixed rod 31 is fixedly connected with the third motor 32 in the left side of front end, and the third motor 32 is fixedly connected with the pulley 33 in output end, and the pulley 33 is rotated in driving wheel of pulley 33 is driven by third motor 32, and the pulley 33 right side rear end is fixedly connected with first screw rod 34, and driven wheel is rotated by belt driving, and first screw rod 34 is threadedly connected with first threaded sleeve 35 in middle end, and first screw rod 34 drives first threaded sleeve 35 to run, and first threaded sleeve 35 is limited by first fixed rod 31 simultaneously, so that first threaded sleeve 35 can only move forward and backward, and cannot rotate, and first threaded sleeve 35 right side is fixedly connected with fixed frame 36, and fixed frame 36 is fixedly connected with second fixed rod 4 in the right side of fixed frame 36, and second fixed rod 4 is fixedly connected with fourth motor 41 in top end, and fourth motor 41 is fixedly connected with second screw rod 42 in output end, and second screw rod 42 is rotated by fourth motor 41, and second screw rod 42 is threadedly connected with second threaded sleeve 43 in middle end outer side, and second threaded sleeve 43 is run by second screw rod 42, and second threaded sleeve 43 is limited by second fixed rod 4, so that second threaded sleeve 43 can only be lifted and lowered, and cannot rotate.

[0026] Lifting assembly includes second fixed rod 4, and second fixed rod 4 is fixedly connected with fourth motor 41 in top end, and fourth motor 41 is fixedly connected with second screw rod 42 in output end, and second screw rod 42 is rotated by fourth motor 41, and second screw rod 42 is threadedly connected with second threaded sleeve 43 in middle end outer side, and second threaded sleeve 43 is run by second screw rod 42, and second threaded sleeve 43 is limited by second fixed rod 4, so that second threaded sleeve 43 can only be lifted and lowered, and cannot rotate.

[0027] Second threaded sleeve 43 right side is fixedly connected with mounting plate 44, and mounting plate 44 is fixedly connected with CCD camera 45 in the right side of mounting plate 44, and CCD camera 45 is fixed by mounting plate 44.

[0028] Transmission belt 1 middle end outer side is fixedly connected with the support frame 2 opposite in front and back, and support frame 2 is fixed by transmission belt 1, and support frame 2 top end is fixedly connected with second motor 21, and second motor 21 is fixedly connected with groove cylinder 23 in output end, and groove cylinder 23 outer side one end is rotatably connected with limit ring 22, and limit ring 22 is fixedly connected in inside one end, and limit groove 24 is formed in the middle end outer side of groove cylinder 23.

[0029] The inner side of the bottom end of the limiting ring 22 is fixedly connected with a limiting plate 25, the limiting plate 25 is fixed by the limiting ring 22, the inner side of the limiting plate 25 is fixedly connected with a sliding rod 29, the sliding rod 29 is fixed by the limiting plate 25, the outer side of the middle end of the sliding rod 29 is slidably connected with a sliding block 27, the sliding block 27 is limited by the sliding rod 29, the inner side of one end of the sliding block 27 is fixedly connected with a spring 210, the spring 210 is limited by the sliding block 27, the top end of the sliding block 27 is fixedly connected with a limiting ball 26, the limiting ball 26 is supported and fixed by the sliding block 27, the limiting ball 26 is slidably connected with the limiting groove 24, the limiting ball 26 is limited by the limiting groove 24, the limiting groove 24 is driven to rotate by the groove cylinder 23, so that the limiting ball 26 is driven to move forward and backward by the limiting groove 24, the bottom end of the sliding block 27 is fixedly connected with a guide frame 28, and the guide frame 28 is fixed by the sliding block 27.

[0030] The outer side of the outer wall of the transmission belt 1 is fixedly connected with a plurality of support feet 11 which are uniformly distributed, the plurality of support feet 11 are supported and fixed by the transmission belt 1, the right side rear end of the transmission belt 1 is provided with a first motor 12, the first motor 12 is supported by the transmission belt 1, and the transmission belt 1 is driven by the first motor 12, the middle end top side of the transmission belt 1 is fixedly connected with front and rear opposite fixed plates 13, the fixed plates 13 are fixed by the transmission belt 1, and the fixed plates 13 are fixedly connected with the limiting rings 22, so that the limiting rings 22 at the outer side of one end are fixed by the fixed plates 13, thereby fixing the groove cylinders 23 on both sides.

[0031] Working principle: when the vehicle body sticker defect detection device is running, first, the first motor 12 drives the transmission belt 1, the vehicle body sticker is driven to move from left to right by the transmission belt 1, then the groove cylinder 23 and the limiting groove 24 are driven to rotate by the second motor 21, the limiting ball 26 is limited by the limiting groove 24, so that the sliding block 27 and the guide frame 28 are driven to move forward and backward by the limiting ball 26, thereby correcting the posture of the vehicle body sticker at the top end of the transmission belt 1, then the first screw rod 34 is driven to rotate by the third motor 32 through the belt pulley 33, the first threaded sleeve 35 is driven to move forward and backward by the first screw rod 34, the second threaded sleeve 43, the mounting plate 44 and the CCD camera 45 are driven to ascend and descend by the fourth motor 41 through the second screw rod 42, so that the vehicle body sticker can be detected as a whole, and the vehicle body sticker can also be precisely detected locally, thereby reducing the occurrence of false detection and missed detection.

[0032] The above-mentioned front, rear, left, right, up and down are based on the drawings in the specification Figure 1 as the standard, the side of the device facing the observer is defined as the front, the left side of the observer is defined as the left, and so on.

[0033] In the description of the utility model, it is understood that the orientation or position relation indicated by the terms "center", "longitudinal", "transverse", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is the orientation or position relation shown based on the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the protection scope of the utility model.

[0034] The basic principle, main features and advantages of the utility model are shown and described above. Those skilled in the art should understand that the utility model is not limited by the above-mentioned embodiments, and the above-mentioned embodiments and descriptions in the specification are only to illustrate the principle of the utility model, and various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The protection scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A vehicle body sticker defect detection device, characterized in that: The invention comprises a transmission belt (1), wherein the left side of the top end of the transmission belt (1) is fixedly connected to a front and rear opposing support rod (3), the inner side of the top end of the support rod (3) is fixedly connected to a first fixing rod (31), the left side of the front end of the first fixing rod (31) is fixedly connected to a third motor (32), the output end of the third motor (32) is fixedly connected to a pulley (33), the right rear end of the pulley (33) is fixedly connected to a first screw rod (34), the middle end of the first screw rod (34) is threadedly connected to a first threaded sleeve (35), the right side of the first threaded sleeve (35) is fixedly connected to a fixing frame (36), and a lifting assembly is provided on the right side of the fixing frame (36).

2. The vehicle body sticker defect detection device according to claim 1, characterized in that: The lifting assembly comprises a second fixing rod (4), the right side of the fixing frame (36) is fixedly connected to the second fixing rod (4), the top end of the second fixing rod (4) is fixedly connected to a fourth motor (41), the output end of the fourth motor (41) is fixedly connected to a second screw rod (42), and the outer side of the middle end of the second screw rod (42) is threadedly connected to a second threaded sleeve (43).

3. The vehicle body sticker defect detection device according to claim 2, characterized in that: A mounting plate (44) is fixedly connected to the right side of the second threaded sleeve (43), and a CCD camera (45) is fixedly connected to the right side of the mounting plate (44).

4. The vehicle body sticker defect detection device according to claim 3, characterized in that: The outer side of the middle end of the transmission belt (1) is fixedly connected to a front and rear opposing support frame (2), the top of the support frame (2) is fixedly connected to a second motor (21), the output end of the second motor (21) is fixedly connected to a groove drum (23), one end of the outer side of the groove drum (23) is rotatably connected to a limiting ring (22), and a limiting groove (24) is provided on the outer side of the middle end of the groove drum (23).

5. The vehicle body sticker defect detection device according to claim 4, characterized in that: The inner side of the bottom end of the limiting ring (22) is fixedly connected to the limiting plate (25), the inner side of the limiting plate (25) is fixedly connected to the sliding rod (29), the outer side of the middle end of the sliding rod (29) is slidably connected to the slider (27), one end of the inner side of the slider (27) is fixedly connected to the spring (210), the top end of the slider (27) is fixedly connected to the limiting ball (26), the limiting ball (26) is slidably connected to the limiting groove (24), and the bottom end of the slider (27) is fixedly connected to the guide frame (28).

6. The vehicle body sticker defect detection device according to claim 5, characterized in that: The outer wall of the transmission belt (1) is fixedly connected to uniformly distributed support legs (11), a first motor (12) is provided at the rear end of the right side of the transmission belt (1), and a front and rear opposite fixing plate (13) is fixedly connected to the top side of the middle end of the transmission belt (1), and the fixing plate (13) is fixedly connected to the limiting ring (22).

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