CN217250813U - Visual detection device for surface defects of bearing - Google Patents

Abstract

The utility model discloses a visual detection device for surface defects of a bearing, which comprises a conveying mechanism, a visual detection mechanism and an eliminating mechanism; the conveying mechanism comprises a workbench and a conveying assembly, and a material receiving assembly is arranged at the discharge end of the conveying assembly; the visual detection mechanism comprises two lifting assemblies, a transverse plate, a detection control assembly and an illumination assembly, wherein the bottoms of the lifting assemblies are arranged on the workbench, two sides of the bottom surface of the transverse plate are fixedly connected with the two lifting assemblies respectively, and the detection control assembly and the illumination assembly are fixedly arranged on the transverse plate; the rejecting mechanism comprises an air cylinder assembly, a push plate and a rejecting box arranged opposite to the air cylinder assembly, the air cylinder assembly and the rejecting box are both arranged on the workbench, and the air cylinder assembly and the rejecting box are respectively arranged on two sides of the conveying assembly and are positioned between the detection control assembly and the material receiving assembly. The utility model discloses can realize pipelined automated inspection bearing surface defect problem to with qualified bearing and unqualified bearing autofilter and collection, detection efficiency is high, simple structure.

Description

A visual inspection device for bearing surface defects

technical field

The utility model relates to the technical field of bearing detection, in particular to a visual detection device for bearing surface defects.

Background technique

In the process of bearing production and assembly, due to various uncertain factors, the bearing may have defects such as lack of balls, surface scratches, surface pits, surface corrosion, and unqualified rivets, which not only affect the performance of the bearing, but also affect the equipment. Normal operation, there are security risks. Therefore, the bearing products must undergo strict testing before leaving the factory to ensure that the bearings are qualified before being assembled in the production machinery. The detection methods for bearing surface defects in the prior art include manual detection methods and visual detection methods. The manual detection method manually detects defects such as bumps, fractures, black skins on the bearing surface, and has poor detection accuracy, low efficiency, and easy to miss the phenomenon of detection. , and the detection accuracy is easily affected by the degree of proficiency, and it is difficult to ensure the reliability and stability of the detection quality; the visual inspection method uses visual inspection equipment to photograph the bearing surface, and the monitoring accuracy is high.

However, the existing visual detection device still has the following problems: the existing visual detection device usually needs to manually place the bearing in the detection area of the detection device, which cannot realize the streamlined operation, which limits the detection efficiency of the detection device; The detection device can usually only identify the surface defects of the bearing. Both qualified and unqualified bearings need to be manually screened and collected, and the degree of automation is low; Adjustment of bearings with different sizes leads to lower detection accuracy and detection efficiency. To this end, a visual inspection device for bearing surface defects is proposed.

Utility model content

The purpose of the present invention is to provide a visual inspection device for bearing surface defects, which aims to solve or improve at least one of the above technical problems.

In order to achieve the above purpose, the utility model provides the following solutions: the utility model provides a visual detection device for bearing surface defects, including a conveying mechanism, a visual detection mechanism, and a rejection mechanism;

The conveying mechanism includes a workbench and a transport component fixedly installed on the workbench, and a material receiving component is provided at the discharge end of the transport component;

The visual inspection mechanism includes two lifting assemblies, a horizontal plate, a detection control assembly, and a lighting assembly arranged on both sides of the transport assembly. The bottom of the lifting assembly is installed on the workbench, and the bottom surface of the horizontal plate The two sides are respectively fixedly connected with the two lifting assemblies, and the detection control assembly and the lighting assembly are both fixedly installed on the horizontal plate;

The rejecting mechanism includes a cylinder assembly electrically connected with the detection control assembly, a push plate fixed on the telescopic end of the air cylinder assembly, and a reject box arranged opposite the air cylinder assembly, the air cylinder assembly and the reject box Both are installed on the worktable, and the cylinder assembly and the reject box are respectively arranged on both sides of the transport assembly, and are located between the detection control assembly and the receiving assembly.

Preferably, the lifting assembly includes two carrying frames and two first air cylinders, and the two carrying frames and the two first air cylinders are both arranged on both sides of the transport assembly and are fixedly connected to the On the workbench, the two first cylinders are arranged between the bearing frames, the telescopic ends of the two first cylinders are respectively fixed to both sides of the bottom surface of the horizontal plate, and the two bearing frames The opposite end faces are provided with sliding grooves, and both ends of the horizontal plate are slidably connected with the sliding grooves.

Preferably, the detection control assembly includes a vision camera fixedly installed at the bottom of the horizontal plate, a controller electrically connected to the vision camera, and the controller is electrically connected to the cylinder assembly.

Preferably, the lighting assembly includes a plurality of LED lamps fixedly mounted on the bottom of the horizontal plate, and the lighting ends of the plurality of LED lamps face the transport assembly.

Preferably, the cylinder assembly includes a mounting bracket fixedly mounted on the worktable, a second cylinder fixed on the mounting bracket, and the mounting bracket is disposed at a position of the transport assembly away from the reject box. and the mounting frame is located between the vision camera and the receiving assembly, and the push plate is fixed on the telescopic end of the second air cylinder.

Preferably, the receiving assembly includes a receiving box disposed at the discharge end of the transport assembly, and a receiving guide rail fixed on the worktable, the receiving guide is inclined and the high end of the receiving guide is It is arranged at the discharging end of the transport assembly, and the lower end of the receiving guide rail extends into the receiving box.

Preferably, the transport assembly includes two conveying rollers arranged side by side, a conveying belt sleeved outside the two conveying rollers, a motor fixedly installed on one of the conveying rollers, and the two conveying rollers are installed on the working The installation frame and the reject box are respectively arranged on both sides of the conveyor belt, the two carrier frames and the two first cylinders are arranged on both sides of the conveyor belt, and a number of the LEDs The lighting end of the lamp faces the conveyor belt, the receiving box is arranged at the discharging end of the conveying belt, and the high end of the receiving guide rail is arranged at the discharging end of the conveying belt.

Preferably, legs are fixedly installed at the four corners of the bottom of the workbench.

The utility model discloses the following technical effects: when the utility model is in use, the bearing to be tested is placed at the feed end of the transport assembly, the assembly line transport of the bearing is realized through the transport assembly, and the transport assembly transports the bearing to the detection control assembly for detection In the area, the height of the inspection control assembly and the lighting assembly is adjusted by the lifting assembly, which facilitates height adjustment according to the size of the bearing to be inspected, improves the detection accuracy of bearing surface defects, and improves inspection efficiency; the inspection control assembly performs visual inspection of bearing surface defects , the lighting component illuminates the bearing surface, improves the detection efficiency of the detection control component, and the qualified bearings are transported to the receiving component for collection through the transportation component; for unqualified bearings, the detection control component controls the cylinder component in the unqualified bearing When transported to the front of the cylinder assembly, it stretches and drives the push plate to push the bearing into the rejection box for the next step. The utility model can realize the automatic detection of bearing surface defects in an assembly line, and automatically screen and collect qualified bearings and unqualified bearings, with high detection efficiency and simple structure.

Description of drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the accompanying drawings required in the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only of the present invention. For some embodiments of the present invention, for those of ordinary skill in the art, other drawings can also be obtained from these drawings without any creative effort.

1 is a front view of a visual inspection device for bearing surface defects of the present invention;

2 is a top view of the visual inspection device for bearing surface defects of the present invention;

Fig. 3 is the sectional view of A-A in Fig. 2;

Among them, 1, worktable; 2, horizontal plate; 3, push plate; 4, reject box; 5, carrier; 6, first cylinder; 7, chute; 8, vision camera; 9, controller; 10, LED light; 11. Mounting frame; 12. Second cylinder; 13. Receiving box; 14. Receiving guide rail; 15. Conveyor belt; 16. Motor; 17. Outrigger.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

In order to make the above objects, features and advantages of the present utility model more clearly understood, the present utility model will be described in further detail below with reference to the accompanying drawings and specific embodiments.

1-3, the present utility model provides a visual detection device for bearing surface defects, including a conveying mechanism, a visual detection mechanism, and a rejection mechanism;

The conveying mechanism includes a workbench 1, a transport component fixedly installed on the workbench 1, and a receiving component is provided at the discharge end of the transport component; in this way, the bearing to be tested is transported by the transport component, and the qualified test is checked by the receiving component. The bearings are collected in a centralized manner;

The visual inspection mechanism includes two lifting components arranged on both sides of the transport component, a horizontal plate 2, a detection control component, and a lighting component. The components are fixedly connected, and the detection control component and the lighting component are fixedly installed on the horizontal plate 2; the detection direction of the detection control component and the lighting direction of the lighting component are both facing the transportation component; in this way, the transportation component transports the bearing to the detection control component. In the area, the inspection and control component visually inspects the bearing surface defects, and the lighting component illuminates the bearing surface to improve the inspection efficiency of the inspection and control component. Height, easy to adjust the height according to the size of the bearing to be tested, improve the detection accuracy of bearing surface defects, and then improve the detection efficiency;

The rejection mechanism includes a cylinder assembly electrically connected with the detection control assembly, a push plate 3 fixed on the telescopic end of the cylinder assembly, and a rejection box 4 arranged opposite to the cylinder assembly. Both the cylinder assembly and the rejection box 4 are installed on the workbench 1, and The cylinder assembly and the reject box 4 are respectively arranged on both sides of the transportation assembly, and are located between the detection control assembly and the receiving assembly; in this way, the bearings that have passed the inspection are transported to the receiving assembly through the transportation assembly for collection; Bearing, the detection control assembly controls the cylinder assembly to extend according to the transportation speed set by the transportation assembly before the unqualified bearing is transported to the cylinder assembly, and drives the push plate 3 to push the bearing into the rejection box 4 for the next step. The utility model It can realize pipeline automatic detection of bearing surface defects, and automatically screen and collect qualified and unqualified bearings, with high detection efficiency and simple structure.

To further optimize the solution, the lifting assembly includes two carrying frames 5 and two first cylinders 6, and the two carrying frames 5 and the two first cylinders 6 are arranged on both sides of the transport assembly and are fixed on the workbench 1. , the two first cylinders 6 are arranged between the bearing frames 5, the telescopic ends of the two first cylinders 6 are respectively fixed to both sides of the bottom surface of the horizontal plate 2, and the opposite end faces of the two bearing frames 5 are provided with sliding grooves 7, the two ends of the horizontal plate 2 are slidably connected with the chute 7; so set, by adjusting the elongation length of the two first cylinders 6, the height adjustment of the horizontal plate 2 is realized, and then the height of the adjustment detection control assembly and the lighting assembly is realized. , it is convenient to adjust the height according to the size of the bearing to be detected, improve the detection accuracy of bearing surface defects, and then improve the detection efficiency; the carrier frame 5 can limit the two sides of the horizontal plate 2, improve the stability of the horizontal plate 2, and then improve the detection efficiency. Stability and service life of the detection device.

To further optimize the scheme, the detection control assembly includes a vision camera 8 fixedly installed at the bottom of the horizontal plate 2, a controller 9 electrically connected to the vision camera 8, and the controller 9 is electrically connected to the cylinder assembly; the controller 9 is preferably a single-chip microcomputer; The specific model of the camera 8 can be set according to the specific use environment, which is not specifically limited in this embodiment, and the working principle of the visual camera 8 is the prior art, which will not be repeated; The axonometric surface to be inspected is subjected to a full range of photographing inspections. When an unqualified bearing is detected, the controller 9 controls the cylinder assembly to extend according to the transport speed set by the transport assembly before the unqualified bearing is transported to the cylinder assembly, driving the The push plate 3 pushes the bearing into the rejection box 4 for further processing, thereby realizing rejection and collection of unqualified products and improving detection efficiency.

To further optimize the solution, the lighting assembly includes a plurality of LED lights 10 fixedly installed at the bottom of the horizontal plate 2, and the lighting ends of the plurality of LED lights 10 face the transport assembly; the plurality of LED lights are arranged on the outside of the visual camera 8, and in this way, the plurality of LED lights are used. The lighting effect of the bearing surface is convenient for the visual camera 8 to capture the details of the bearing surface, and the detection efficiency is improved.

To further optimize the solution, the LED lights 10 and the visual camera 8 are powered by an external power supply.

To further optimize the solution, the cylinder assembly includes a mounting frame 11 fixedly mounted on the workbench 1, and a second cylinder 12 fixed on the mounting frame 11. The mounting frame 11 is arranged on the side of the transport assembly away from the reject box 4, and the mounting frame is 11 is located between the visual camera 8 and the receiving assembly, and the push plate 3 is fixed on the telescopic end of the second cylinder 12; the height of the push plate 3 is slightly higher than the height of the transport surface of the transport assembly to avoid interference between the push plate 3 and the transport assembly, The mounting frame 11 is used to install the second cylinder 12, so that the height of the second cylinder 12 is the same as the height of the transport surface of the transport assembly. When the visual camera 8 detects that the bearing surface is defective, that is, the bearing is not qualified, the controller 9 according to The transport speed set by the transport component controls the extension of the second cylinder 12 when the unqualified bearing is transported to the second cylinder 12, and drives the push plate 3 to push the bearing into the rejection box 4 for further processing. After the completion of the second cylinder 12 retraction reset.

To further optimize the solution, the receiving assembly includes a receiving box 13 arranged at the discharge end of the transport assembly, a receiving guide rail 14 fixed on the worktable 1, the receiving guide rail 14 is inclined and the high end of the receiving guide rail 14 is arranged on the transport assembly. The lower end of the receiving guide rail 14 extends into the receiving box 13; in this way, the bearing that has passed the test falls into the receiving guide rail 14 from the discharge end of the transport assembly, and falls into the receiving guide rail 14 along the receiving guide rail 14. Collect in the receiving box 13.

To further optimize the solution, the transport assembly includes two conveying rollers arranged side by side, a conveying belt 15 sleeved outside the two conveying rollers, a motor 16 fixedly installed on one conveying roller, and the two conveying rollers are installed on the workbench 1 through a bracket The mounting frame 11 and the reject box 4 are respectively arranged on both sides of the conveyor belt 15, the two carrier frames 5 and the two first cylinders 6 are arranged on both sides of the conveyor belt 15, and the lighting ends of several LED lamps 10 are facing the conveyor belt 15, and the receiving The material box 13 is set at the discharge end of the conveyor belt 15, and the high end of the receiving guide rail 14 is set at the discharge end of the conveyor belt 15; in this way, the speed of the motor 16 can be set according to the specific use environment, and the transmission roller is driven by the motor 16. The rotation further drives the conveyor belt 15 to rotate, so as to realize the pipeline transportation of the bearing.

To further optimize the solution, legs 17 are fixedly installed at the bottom four corners of the workbench 1 to support the workbench 1 to a suitable working height.

working principle:

Before the utility model is used, first adjust the equipment, adjust the rotation speed of the motor 16 according to the specific production requirements and the type and size of the bearing, and at the same time adjust the height of the horizontal plate 2 by adjusting the elongation of the first cylinder 6, so that the visual The camera 8 is adjusted to a suitable height, the LED light 10 is turned on, and the second cylinder 12 is in a state of minimum expansion and contraction;

When in use, the bearing to be detected is placed on the feeding end of the conveyor belt 15. After the motor 16 is turned on, the conveyor belt 15 is driven to transmit along the set transportation speed. The surface is subjected to an all-round photographing test, and the qualified bearings fall into the receiving guide 14 from the discharge end of the conveyor belt 15, and fall into the receiving box 13 along the receiving guide 14 for centralized collection; when unqualified bearings are detected When bearing, the controller 9 controls the second cylinder 12 to extend before the unqualified bearing is transported to the second cylinder 12 according to the set transport speed of the conveyor belt 15, and drives the push plate 3 to push the bearing into the rejection box 4 for the next step. , after completion, the second cylinder 12 retracts and resets to avoid interference with the transmission of qualified bearings.

In the description of the present invention, it should be understood that the terms "portrait", "horizontal", "upper", "lower", "front", "rear", "left", "right", "vertical" , "horizontal", "top", "bottom", "inside", "outside" and other indications of orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, only for the convenience of describing the present utility model, not Indicates or implies that the referred device or element must have a particular orientation, be constructed and operate in a particular orientation, and therefore should not be construed as a limitation of the present invention.

The above-mentioned embodiments are only to describe the preferred mode of the present invention, and do not limit the scope of the present invention. Under the premise of not departing from the design spirit of the present invention, those of ordinary skill in the art can make the technical solutions of the present invention. Various deformations and improvements made shall fall within the protection scope determined by the claims of the present utility model.

Claims (8)

1. a bearing surface defect visual inspection device, is characterized in that, comprises: a conveying mechanism, the conveying mechanism comprises a workbench (1), a transport component fixedly installed on the workbench (1), and a material receiving component is provided at the discharge end of the transport component; A visual inspection mechanism, the visual inspection mechanism includes two lifting assemblies arranged on both sides of the transport assembly, a horizontal plate (2), a detection control assembly, and a lighting assembly, and the bottom of the lifting assembly is installed on the workbench ( 1), both sides of the bottom surface of the horizontal plate (2) are respectively fixed with the two lifting assemblies, and the detection control assembly and the lighting assembly are fixedly installed on the horizontal plate (2); A rejection mechanism, the rejection mechanism comprises a cylinder assembly electrically connected with the detection control assembly, a push plate (3) fixed on the telescopic end of the cylinder assembly, and a rejection box (4) arranged opposite to the cylinder assembly, Both the cylinder assembly and the rejection box (4) are mounted on the workbench (1), and the cylinder assembly and the rejection box (4) are respectively arranged on both sides of the transport assembly and located at the between the detection control assembly and the receiving assembly. 2. The visual inspection device for bearing surface defects according to claim 1, characterized in that: the lifting assembly comprises two carrying frames (5), two first cylinders (6), two carrying frames (5) A Between the carrying frames (5), the telescopic ends of the two first cylinders (6) are respectively fixed to both sides of the bottom surface of the transverse plate (2), and the opposite end faces of the two carrying frames (5) Both ends are provided with chute (7), and both ends of the horizontal plate (2) are slidably connected with the chute (7). 3 . The visual inspection device for bearing surface defects according to claim 2 , wherein the detection control assembly comprises a visual camera ( 8 ) fixedly installed at the bottom of the horizontal plate ( 2 ), and the visual camera ( 8) An electrically connected controller (9), the controller (9) is electrically connected with the cylinder assembly. 4 . The visual inspection device for bearing surface defects according to claim 3 , wherein the lighting assembly comprises a plurality of LED lights ( 10 ) fixedly mounted on the bottom of the horizontal plate ( 2 ), and a plurality of the LED lights ( 4 . The illuminated end of 10) faces the transport assembly. 5 . The visual inspection device for bearing surface defects according to claim 4 , wherein the cylinder assembly comprises a mounting frame ( 11 ) fixedly mounted on the worktable ( 1 ), and fixed on the mounting frame (11) on the second cylinder (12), the mounting bracket (11) is arranged on the side of the transport assembly away from the reject box (4), and the mounting bracket (11) is located on the vision camera (8) The push plate (3) is fixedly connected to the telescopic end of the second air cylinder (12) between the material receiving assembly. 6 . The visual inspection device for bearing surface defects according to claim 5 , wherein the receiving assembly comprises a receiving box ( 13 ) arranged at the discharge end of the transport assembly, and is fixed on the worktable ( 6 . 1) on the receiving guide rail (14), the receiving guide rail (14) is arranged obliquely, the high end of the receiving guide rail (14) is arranged at the discharge end of the transport assembly, the receiving guide rail (14) ) extends into the receiving box (13). 7. The visual inspection device for bearing surface defects according to claim 6, wherein the transport assembly comprises two conveying rollers arranged side by side, a conveying belt (15) sleeved outside the two conveying rollers, a A motor (16) on the conveying roller, two conveying rollers are mounted on the worktable (1) through a bracket; the mounting frame (11) and the reject box (4) are respectively arranged on the conveying belt On both sides of the conveyor belt (15), the two carrying frames (5) and the two first cylinders (6) are arranged on both sides of the conveyor belt (15), and a number of the LED lights (10) illuminate The end faces the conveyor belt (15), the receiving box (13) is arranged at the discharge end of the conveyor belt (15), and the high end of the receiving guide rail (14) is arranged at the outlet of the conveyor belt (15). material end. 8 . The visual inspection device for bearing surface defects according to claim 1 , wherein the four corners of the bottom of the worktable ( 1 ) are fixedly installed with legs ( 17 ). 9 .

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