Visual mechanism for product surface defect detection

Abstract

The utility model relates to a visual mechanism for detecting surface defects of products, which belongs to the field of product detection and comprises a base, a conveying belt rotatably mounted in the base, a control unit fixedly mounted outside the base and visual detection equipment arranged on the upper surface of the conveying belt. A cleaning mechanism extending to the upper surface of the conveying belt is arranged outside the machine base, and a moving mechanism is arranged outside the machine base. According to the visual mechanism for detecting the surface defects of the product, the air pump is started to work through the control unit, so that the exhaust pipe and the hose provide stable airflow for the air outlet nozzle in the mounting pipe, a detection area can be directly blown and cleaned, dust and impurities attached to the surface of the product are effectively removed, the uniformity and thoroughness of cleaning are ensured, and the detection efficiency is improved. The detection accuracy is improved, the detection requirements of products of different shapes and sizes can be met, the whole detection process is more intelligent and automatic, the detection efficiency is improved, and the advantage of high detection accuracy is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to product detection technical field, concretely is a visual mechanism for product surface defect detection. BACKGROUND

[0002] Industrial defect detection is an important link in industrial production, after completing product production, the produced product needs to carry out defect detection, and the product through defect detection can enter subsequent processing or packaging etc. In this case, if the product with defects cannot be detected in time, the product with defects will enter the subsequent link, causing the waste of production line resources, therefore, when carrying out industrial product defect detection, the situation of missing detection and misjudgment needs to be reduced.

[0003] The visual mechanism for product surface defect detection is needed in the product production process, the CN221351239U China utility model patent of announcement number discloses an industrial product surface defect detection equipment, including mobile assembly and detection assembly, the mobile assembly includes conveyer and mobile seat, the mobile seat is set up on the conveyer one side correspondingly, the detection assembly includes shell, rotating part, rotating frame and image acquisition equipment, the shell is set up on the mobile seat one side, the rotating part is set up on the shell one side, the rotating frame is set up on the rotating part one side, the image acquisition equipment is set up on the rotating frame one side first through the conveyer can convey the product.

[0004] But, the utility model industrial product surface defect detection equipment although can realize the high accuracy detection to the product surface, but in actual application, the product surface often has dust and other impurities attached, these impurities can interfere with the detection result, lead to false alarm or missing report, the traditional cleaning mode usually needs manual operation, not only time -consuming and labor -intensive, and the cleaning effect is difficult to guarantee, cannot satisfy the production demand, therefore, the visual mechanism for product surface defect detection is put forward to solve the problems in the above -mentioned. UTILITY MODEL CONTENTS

[0005] In view of the defects of prior art, the utility model provides a visual mechanism for product surface defect detection, has the advantages of high detection accuracy and strong practicality, solves the problems that the existing industrial product surface defect detection equipment can realize the high accuracy detection to the product surface, but in actual application, the product surface often has dust and other impurities attached, these impurities can interfere with the detection result, lead to false alarm or missing report, the traditional cleaning mode usually needs manual operation, not only time -consuming and labor -intensive, and the cleaning effect is difficult to guarantee, cannot satisfy the production demand.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a vision mechanism for detecting surface defects in products, comprising a base, a conveyor belt rotatably mounted inside the base, a control unit fixedly mounted outside the base, and a vision inspection device disposed on the upper surface of the conveyor belt. A cleaning mechanism extending to the upper surface of the conveyor belt is disposed outside the base, and a moving mechanism is disposed outside the base.

[0007] The cleaning mechanism includes a mounting plate fixedly connected to the outside of the base, an air pump fixedly mounted on the upper surface of the mounting plate, a mounting pipe disposed on the outer surface of the visual inspection equipment, an air outlet fixedly connected to the lower surface of the mounting pipe, an exhaust pipe fixedly connected to the exhaust end of the air pump, and a flexible hose fixedly connected between the mounting pipe and the exhaust pipe.

[0008] The moving mechanism includes a mounting box fixedly installed outside the base, a reciprocating motor fixedly installed on the upper surface of the mounting box, a threaded rod fixedly connected to the output shaft of the reciprocating motor, a threaded block threadedly connected to the outside of the threaded rod, and an adjustment structure disposed outside the threaded block.

[0009] Furthermore, the air pump is fixedly installed on the upper surface of the mounting plate by bolts, and a filter bottle is fixedly connected to the air pump's suction end. A number of heat dissipation fins are fixedly connected to the upper surface of the filter bottle.

[0010] Furthermore, the mounting tube is U-shaped, and there are several air outlets, which are distributed at equal intervals on the lower surface of the mounting tube.

[0011] Furthermore, the threaded rod is rotatably mounted inside the mounting box, the reciprocating motor is electrically connected to the control unit, and the control unit is electrically connected to the vision inspection device.

[0012] Furthermore, the adjustment structure includes a mounting base detachably mounted on the outside of the threaded block, a telescopic cylinder fixedly mounted on the outside of the mounting base, and a mounting bracket fixedly connected to the output end of the telescopic cylinder. The visual inspection device is fixedly mounted on the upper surface of the mounting bracket and extends to its lower surface. The mounting tube is fixedly mounted on the lower surface of the mounting bracket and surrounds the outside of the visual inspection device.

[0013] Furthermore, a slider extending into the interior of the mounting box is fixedly connected to the back of the threaded block, and a sliding groove adapted to the slider is provided inside the mounting box, with the slider and the sliding groove being slidably connected.

[0014] Further, the outside of the base is provided with a guide mechanism extending to the inside thereof, the guide mechanism comprising an electric push rod fixedly installed on the outside of the base and a guide plate fixedly installed on the output end of the electric push rod, the number of the guide mechanism being two, and the two guide mechanisms being symmetrically distributed on the upper surface of the conveying belt.

[0015] Compared with the prior art, the visual mechanism for product surface defect detection has the following beneficial effects:

[0016] 1. The visual mechanism for product surface defect detection, by starting the air pump to work through the control unit, provides stable airflow to the air outlet in the installation pipe through the exhaust pipe and the hose, can directly blow and clean the detection area, effectively removes dust and impurities attached to the product surface, ensures the uniformity and thoroughness of cleaning, improves the accuracy of detection, can meet the detection needs of products of different shapes and sizes, makes the entire detection process more intelligent and automated, improves the detection efficiency, and achieves the advantage of high detection accuracy.

[0017] 2. The visual mechanism for product surface defect detection, by starting the reciprocating motor to work through the control unit to drive the threaded rod to rotate, the threaded block drives the telescopic cylinder to move up and down on the installation pipe, and adjusts the installation pipe left and right through the telescopic cylinder, drives the installation pipe and the air outlet to move reciprocally on the product surface to clean dust, automatically cleans dust to ensure that the visual inspection equipment can obtain clear images, improves the accuracy of defect detection, can be more widely applied to various product surface defect detection fields, and achieves the advantage of strong practicality. BRIEF DESCRIPTION OF DRAWINGS

[0018] Fig. 1 It is a structure perspective view of the utility model;

[0019] Fig. 2 It is a structure perspective view of the cleaning mechanism of the utility model;

[0020] Fig. 3 It is a structure perspective view of the moving mechanism of the utility model;

[0021] Fig. 4 It is a structure perspective view of the utility model Fig. 3 It is an enlarged structure schematic view of A shown in the utility model.

[0022] In the figure: 1, the base; 2, the conveying belt; 3, the control unit; 4, the visual detection device; 5, the cleaning mechanism; 51, the mounting plate; 52, the air pump; 53, the filter bottle; 54, the exhaust pipe; 55, the mounting pipe; 56, the air outlet; 57, the hose; 6, the moving mechanism; 61, the mounting box; 62, the reciprocating motor; 63, the threaded rod; 64, the threaded block; 65, the mounting seat; 66, the telescopic air cylinder; 67, the mounting rack; 7, the guiding mechanism; 71, the electric push rod; 72, the guide plate. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the ordinary skilled in the art without creative labor belong to the scope of protection of the utility model.

[0024] Please refer to Figs. 1 to 4 In the embodiment, the visual mechanism for product surface defect detection comprises a base 1, a conveying belt 2 rotatably installed inside the base 1, a control unit 3 fixedly installed outside the base 1, and a visual detection device 4 arranged on the upper surface of the conveying belt 2. The base 1 is externally provided with a cleaning mechanism 5 extending to the upper surface of the conveying belt 2, and a moving mechanism 6 is arranged outside the base 1. The control unit 3 can further comprise a touch screen display and a processor. The touch screen display is used for displaying detection images and setting detection parameters, and the processor is used for processing image data captured by an image sensor, identifying defects on the surface of a product, and controlling the operation of the cleaning mechanism 5.

[0025] The cleaning mechanism 5 comprises a mounting plate 51 fixedly connected to the outside of the base 1, an air pump 52 fixedly installed on the upper surface of the mounting plate 51, a mounting pipe 55 arranged on the outer surface of the visual detection device 4, an air outlet 56 fixedly communicated with the lower surface of the mounting pipe 55, an exhaust pipe 54 fixedly communicated with the exhaust end of the air pump 52, and a hose 57 fixedly communicated between the mounting pipe 55 and the exhaust pipe 54. The air pump 52 is started to work by the control unit 3, so that the exhaust pipe 54 and the hose 57 provide stable airflow to the air outlet 56 in the mounting pipe 55. By arranging the air outlet 56 near the outer surface of the visual detection device 4, the detection area can be directly cleaned by blowing air, effectively removing dust and impurities attached to the surface of the product, ensuring the uniformity and completeness of the cleaning, improving the accuracy of the detection, meeting the detection needs of products of different shapes and sizes, making the entire detection process more intelligent and automated, improving the detection efficiency, and achieving the advantage of high detection accuracy.

[0026] Specifically, the air pump 52 is fixedly mounted to the upper surface of the mounting plate 51 by bolts. A filter bottle 53 is fixedly connected to the air intake end of the air pump 52, and a number of heat dissipation fins are fixedly connected to the upper surface of the filter bottle 53. By setting up the filter bottle 53, the air entering the air pump 52 is filtered to prevent dust from entering the interior of the air pump 52.

[0027] It should be noted that the mounting tube 55 is U-shaped, and there are several air outlets 56, which are distributed at equal intervals on the lower surface of the mounting tube 55.

[0028] In this embodiment, the moving mechanism 6 includes a mounting box 61 fixedly installed outside the base 1, a reciprocating motor 62 fixedly installed on the upper surface of the mounting box 61, a threaded rod 63 fixedly connected to the output shaft of the reciprocating motor 62, a threaded block 64 threadedly connected to the outside of the threaded rod 63, and an adjustment structure disposed outside the threaded block 64.

[0029] The threaded rod 63 is rotatably mounted inside the mounting box 61, the reciprocating motor 62 is electrically connected to the control unit 3, and the control unit 3 is electrically connected to the vision inspection device 4.

[0030] Specifically, the adjustment structure includes a mounting base 65 detachably mounted on the outside of the threaded block 64, a telescopic cylinder 66 fixedly mounted on the outside of the mounting base 65, and a mounting bracket 67 fixedly connected to the output end of the telescopic cylinder 66. The vision inspection device 4 is fixedly mounted on the upper surface of the mounting bracket 67 and extends to its lower surface. The mounting tube 55 is fixedly mounted on the lower surface of the mounting bracket 67 and surrounds the outside of the vision inspection device 4. The reciprocating motor 62 is started by the control unit 3 to drive the threaded rod 63 to rotate, so that the threaded block 64 drives the telescopic cylinder 66 and the mounting tube 55 to move up and down. The telescopic cylinder 66 adjusts the mounting tube 55 left and right, causing the mounting tube 55 and the air nozzle 56 to move back and forth on the product surface to clean dust.

[0031] It should be noted that the back of the threaded block 64 is fixedly connected to a slider that extends into the interior of the mounting box 61. The interior of the mounting box 61 is provided with a sliding groove that matches the slider, and the slider and the sliding groove are slidably connected.

[0032] In this embodiment, a guide mechanism 7 extending into the base 1 is provided on its exterior. The guide mechanism 7 includes an electric push rod 71 fixedly installed on the exterior of the base 1 and a guide plate 72 fixedly installed on the output end of the electric push rod 71. There are two guide mechanisms 7, which are symmetrically distributed on the upper surface of the conveyor belt 2. The electric push rod 71 is extended and retracted by the control unit 3 to move the guide plate 72, which facilitates the self-centering guidance of the product.

[0033] The working principle of the above embodiments is as follows:

[0034] In actual use, the product to be detected is placed on the conveying belt 2 for conveying, the reciprocating motor 62 is started to work by the control unit 3 to drive the threaded rod 63 to rotate, so that the threaded block 64 drives the telescopic cylinder 66 to move up and down on the mounting pipe 55, and the telescopic cylinder 66 adjusts the mounting pipe 55 left and right, the air pump 52 is started to work by the control unit 3, so that the exhaust pipe 54 and the hose 57 provide stable airflow to the air outlet 56 in the mounting pipe 55, by setting the air outlet 56 near the outer surface of the visual detection device 4, the detection area can be directly blown and cleaned; after the dust attached to the surface of the product is cleaned, the control unit 3 controls the visual detection device 4 to capture the image of the surface of the product, and transmits the image data to the processor for processing. The processor analyzes the image data, identifies the defects on the surface of the product, and displays the detection result on the touch screen display.

[0035] The mounting mode, connection mode or setting mode disclosed in the embodiment are all common mechanical connection modes, and can be implemented as long as the beneficial effects can be achieved, in addition, the electrical elements appearing in the embodiment are all electrically connected with the master controller and the power supply, the master controller can be a conventional known device such as a computer which plays a control role, and the control of the electrical elements can be realized by simple programming by the person skilled in the art, and the existing disclosed power connection technology also belongs to the common knowledge in the art, so the specific structure composition and working principle thereof will not be described in detail.

[0036] It should be noted that, in this document, the terms such as first and second are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that there is any such actual relationship or order between these entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or device. Without more limitations, the element defined by the statement "including a" does not exclude the presence of another identical element in the process, method, article or device including the element.

[0037] Although the embodiments of the utility model have been shown and described, it can be understood by those of ordinary skill in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A vision mechanism for product surface defect detection, characterized by: The device includes a base (1), a conveyor belt (2) rotatably mounted inside the base (1), a control unit (3) fixedly mounted outside the base (1), and a visual inspection device (4) disposed on the upper surface of the conveyor belt (2). A cleaning mechanism (5) extending to the upper surface of the conveyor belt (2) is disposed outside the base (1), and a moving mechanism (6) is disposed outside the base (1). The cleaning mechanism (5) includes a mounting plate (51) fixedly connected to the outside of the base (1), an air pump (52) fixedly installed on the upper surface of the mounting plate (51), a mounting pipe (55) set on the outer surface of the visual inspection device (4), an air outlet (56) fixedly connected to the lower surface of the mounting pipe (55), an exhaust pipe (54) fixedly connected to the exhaust end of the air pump (52), and a hose (57) fixedly connected between the mounting pipe (55) and the exhaust pipe (54). The moving mechanism (6) includes a mounting box (61) fixedly installed outside the base (1), a reciprocating motor (62) fixedly installed on the upper surface of the mounting box (61), a threaded rod (63) fixedly connected to the output shaft of the reciprocating motor (62), a threaded block (64) threadedly connected to the outside of the threaded rod (63), and an adjustment structure disposed outside the threaded block (64).

2. The vision mechanism for product surface defect detection according to claim 1, wherein: The air pump (52) is fixedly installed on the upper surface of the mounting plate (51) by bolts. A filter bottle (53) is fixedly connected to the air intake end of the air pump (52). A number of heat dissipation fins are fixedly connected to the upper surface of the filter bottle (53).

3. The vision mechanism for product surface defect detection according to claim 1, wherein: The mounting tube (55) is U-shaped, and there are several air outlets (56). The several air outlets (56) are distributed at equal intervals on the lower surface of the mounting tube (55).

4. The vision mechanism for product surface defect detection according to claim 1, wherein: The threaded rod (63) is rotatably mounted inside the mounting box (61), the reciprocating motor (62) is electrically connected to the control unit (3), and the control unit (3) is electrically connected to the vision inspection device (4).

5. The vision mechanism for product surface defect detection according to claim 1, wherein: The adjustment structure includes a mounting base (65) detachably mounted on the outside of the threaded block (64), a telescopic cylinder (66) fixedly mounted on the outside of the mounting base (65), and a mounting bracket (67) fixedly connected to the output end of the telescopic cylinder (66). The visual inspection device (4) is fixedly mounted on the upper surface of the mounting bracket (67) and extends to its lower surface. The mounting tube (55) is fixedly mounted on the lower surface of the mounting bracket (67) and surrounds the outside of the visual inspection device (4).

6. The vision mechanism for product surface defect detection of claim 1, wherein: The back of the threaded block (64) is fixedly connected to a slider extending into the interior of the mounting box (61). The interior of the mounting box (61) is provided with a sliding groove that matches the slider, and the slider and the sliding groove are slidably connected.

7. The vision mechanism for product surface defect detection of claim 1, wherein: The outer part of the base (1) is provided with guide mechanisms (7) extending to the inner part, the guide mechanisms (7) comprise electric push rods (71) fixedly installed on the outer part of the base (1) and guide plates (72) fixedly installed on the output ends of the electric push rods (71), the number of the guide mechanisms (7) is two, and the two guide mechanisms (7) are symmetrically distributed on the upper surface of the conveying belt (2).

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