A gantry type steel coil end face visual detection system and control method

Abstract

The application discloses a gantry type steel coil end face visual detection system and a control method, and belongs to the technical field of steel coil detection equipment. The application comprises a gantry support plate, the gantry support plate is provided with a steel coil placing rack, a gantry body is slidably arranged on the upper surface of the gantry support plate, steel coil bodies are uniformly placed in the steel coil placing rack, rotary arms are symmetrically inserted into the top end of the gantry body, drive assemblies for rotating the rotary arms are symmetrically arranged at the top end of the gantry body, adjusting telescopic arms are arranged at the two ends of the rotary arms, adjusting assemblies for adjusting the transverse reciprocating motion of the adjusting telescopic arms are arranged at the two ends of one side of the rotary arms, fixing plates are arranged at the lower ends of the adjusting telescopic arms, light supplementing lamps are symmetrically arranged on the side surfaces of the fixing plates, and CCD cameras are arranged at the middle positions of the side surfaces of the fixing plates. The application has the effect of efficiently and automatically detecting the steel coil bodies, and simultaneously has the effects of wide detection range and high detection precision.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of steel coil detection equipment, in particular to a gantry type steel coil end face visual detection system and control method. BACKGROUND

[0002] Machine vision detection refers to converting the target to be taken into an image signal through a machine vision product, and transmitting the image signal to a special image processing system according to the pixel distribution and brightness, converting a digital signal according to the pixel distribution and brightness, color and the like, and the image system performs various calculations on these signals to extract the characteristics of the target, and then controls the action of the on-site device according to the recognition result.

[0003] When the common steel coil is detected for defects, the existing device has poor detection effect on multiple steel coils, and the existing device has low automation degree. When the steel coil body is detected by the CCD camera, it is not convenient to adjust the detection range of the steel coil body. Therefore, a gantry type steel coil end face visual detection system is needed to solve the above problems. SUMMARY

[0004] The purpose of the present application is to provide a gantry type steel coil end face visual detection system and control method, which has the effect of efficiently and automatically detecting the steel coil body, and has the effects of wide detection range and high detection precision, to solve the problems raised in the background technology.

[0005] To achieve the above purpose, the present application provides the following technical scheme:

[0006] A gantry type steel coil end face visual detection system, comprising a gantry support plate, a steel coil placing rack is arranged on the gantry support plate, a gantry body is slidably arranged on the upper surface of the gantry support plate, a plurality of steel coil bodies are uniformly placed in the steel coil placing rack, a rotating arm is symmetrically inserted into the top end of the gantry body, a driving assembly for rotating the rotating arm is symmetrically arranged at the top end of the gantry body, an adjusting telescopic arm is arranged at both ends of the rotating arm, an adjusting assembly for adjusting the transverse reciprocating motion of the adjusting telescopic arm is arranged at both ends of one side of the rotating arm, a fixing plate is arranged at the lower end of the adjusting telescopic arm, a light supplementing lamp is symmetrically arranged on one side surface of the fixing plate, and a CCD camera is arranged at the middle position of one side surface of the fixing plate.

[0007] Further, in order to enable the gantry body to move, a moving groove is formed on the upper surface of both sides of the gantry support plate, self-propelled wheels are arranged at the lower end of both sides of the gantry body, and the self-propelled wheels are arranged in the moving groove.

[0008] Further, in order to limit the rotary arm while rotating, the gantry body top end is symmetrically provided with a plug-in hole, the rotary arm middle position outer surface is sleeved with a rotating cylinder, the rotating cylinder is rotatably installed in the plug-in hole, and one end of the rotating cylinder is fixedly installed with a driven gear.

[0009] Further, in order to drive the driven gear to rotate, the driving assembly comprises a gear frame, the gear frame is fixedly installed on the two ends above the gantry body, the gear frame is rotatably installed with a driving gear, and the driving gear and the driven gear are in meshing relationship.

[0010] Further, in order to drive the driving gear to rotate through the driving reducer and the driving servo motor, one end of the gear frame is provided with a driving reducer, the output end of the driving reducer and the driving gear are fixedly connected, and one end of the driving reducer is provided with a driving servo motor.

[0011] Further, in order to drive the transmission belt to rotate through the adjusting servo motor and the adjusting reducer, the adjusting assembly comprises adjusting rollers which are equidistantly arranged, one end of the adjusting roller is rotatably installed on one side of the rotary arm, the outer surface of the adjusting roller is sleeved with a transmission belt, one end of the rotary arm is fixedly welded with a concave plate, one end of the concave plate is fixedly installed with an adjusting reducer, the output end of the adjusting reducer penetrates through one end of the concave plate and is fixedly connected with the adjusting roller, and one end of the adjusting reducer is fixedly installed with an adjusting servo motor.

[0012] Further, in order to limit the adjusting telescopic arm, the top end of the adjusting telescopic arm is fixedly installed on the surface of the transmission belt, the other side of the top end of the adjusting telescopic arm is provided with a limiting concave sliding frame, and the lower surface of the two ends of the rotary arm is provided with an I-shaped limiting plate, and the limiting concave sliding frame and the I-shaped limiting plate are in sliding and clamping relationship.

[0013] Further, in order to comprehensively irradiate the steel coil body, the light supplement lamps symmetrically arranged below the adjusting telescopic arm cross-irradiate each other.

[0014] The present application provides another technical scheme: a control method of a gantry type steel coil end face visual detection system, comprising the following steps:

[0015] S1: the steel coil body is equidistantly placed in the steel coil placing frame, and the irradiation light source of the light supplement lamp is installed outside the field of view of the CCD camera;

[0016] S2: The gantry body drives the CCD camera to move by opening the self-propelled wheels. When the CCD camera completes taking a picture of the first steel coil body, the servo motor and the reducer drive the driving gear, so that the driving gear drives the driven gear to rotate;

[0017] S3: At this time, the rotating arm starts to rotate. When the rotating arm drives the adjusting telescopic arms set at both ends to rotate, the gantry body starts to move to the appropriate position of the next steel coil body, and then the adjusting telescopic arms are adjusted to the numerical state through the rotation of the rotating arm;

[0018] S4: By adjusting the servo motor and the reducer to drive the adjusting roller, the transmission belt set on the adjusting roller drives the adjusting telescopic arm to perform lateral adjustment, thereby facilitating the CCD camera to perform comprehensive inspection of the steel coil body;

[0019] S5: The inspection data of multiple steel coil bodies are stored through CCD cameras and finally inspected by staff.

[0020] Compared with the prior art, the present invention has the following beneficial effects:

[0021] 1. The present invention can monitor the steel coil body one by one with a high degree of automation. At the same time, the CCD camera is driven to move by the adjustment component, so that the detection range of the steel coil body can be adjusted. The device has a stable structure and high working efficiency, and can perform efficient visual inspection of the steel coil body.

[0022] 2. The present invention can inspect the steel coil bodies one by one through the cooperation of the self-propelled wheels arranged under the gantry body and the rotating arm that can control the rotation, which significantly improves the detection efficiency; by adjusting the control of the servo motor and the speed reducer, the adjusting roller drives the transmission belt to rotate, thereby realizing the precise monitoring range adjustment of the CCD camera, ensuring the accuracy of monitoring.

[0023] 3. The design of the device of the present invention allows workers to complete the placement and inspection process of steel coils through simple operations, reducing manual intervention and improving the level of automation; the design of the rotating arm and the adjustable telescopic arm allows the CCD camera to be adjusted and positioned in multiple directions, facilitating comprehensive inspection of the steel coil body; the device can adapt to steel coil bodies of different sizes, and by adjusting the coordination of the telescopic arm and the rotating arm, it can adapt to the inspection needs of steel coils of different widths and spacing distances.

[0024] 4、The setting of the light supplement lamp ensures that clear images can be obtained under different light conditions, meanwhile, the installation position of the light supplement lamp avoids interference to the CCD camera, and ensures the accuracy of detection; after the CCD camera detects multiple steel roll bodies, the detection data can be stored and used for subsequent analysis, which provides data support for quality control and production decision. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 It is the overall structure schematic diagram of the present application;

[0026] Figure 2 It is the self-propelled wheel position schematic diagram of the present application;

[0027] Figure 3 It is the rotating cylinder position schematic diagram of the present application;

[0028] Figure 4 It is the CCD camera position schematic diagram of the present application;

[0029] Figure 5 It is the structure enlarged view of A in the figure; Figure 2

[0030] It is the structure enlarged view of B in the figure. Figure 6 Figure 4 The specific implementation is as follows.

[0031] In the figure: 1, gantry support plate; 2, steel roll placing rack; 3, gantry body; 4, steel roll body; 5, rotating arm; 6, driving assembly; 601, gear frame; 602, driving gear; 603, driving speed reducer; 604, driving servo motor; 7, adjusting telescopic arm; 8, adjusting assembly; 801, adjusting roller; 802, transmission belt; 803, concave plate; 804, adjusting speed reducer; 805, adjusting servo motor; 9, fixed plate; 10, light supplement lamp; 11, CCD camera; 12, self-propelled wheel; 13, rotating cylinder; 14, driven gear; 15, limit concave sliding rack; 16, I-shaped limit plate. DETAILED DESCRIPTION

[0032] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the present application.

[0033] Please refer to Figures 1-6 ​The embodiment of the application provides a portal frame type steel coil end face visual detection system, which comprises a portal frame support plate 1, a steel coil placing rack 2 is arranged on the portal frame support plate 1, a portal frame body 3 is slidably arranged on the upper surface of the portal frame support plate 1, steel coil bodies 4 are evenly placed in the steel coil placing rack 2, rotary arms 5 are symmetrically inserted into the top end of the portal frame body 3, drive assemblies 6 for rotating the rotary arms 5 are symmetrically arranged at the top end of the portal frame body 3, adjusting telescopic arms 7 are arranged at the two ends of the rotary arms 5, adjusting assemblies 8 for transverse reciprocating movement of the adjusting telescopic arms 7 are arranged at the two ends of one side of the rotary arms 5, fixing plates 9 are arranged at the lower ends of the adjusting telescopic arms 7, light supplement lamps 10 are symmetrically arranged on the side surfaces of the fixing plates 9, and CCD cameras 11 are arranged at the middle positions of the side surfaces of the fixing plates 9.

[0034] As shown in Figure 3 and Figure 5 the upper surfaces of the two sides of the portal frame support plate 1 are provided with moving grooves, self-propelled wheels 12 are equidistantly arranged on the bottom surfaces of the two ends of the portal frame body 3, the self-propelled wheels 12 are arranged in the moving grooves, plug-in holes are symmetrically arranged at the top end of the portal frame body 3, rotating cylinders 13 are sleeved on the outer surfaces of the rotary arms 5 at the middle positions, the rotating cylinders 13 are rotatably installed in the plug-in holes, passive gears 14 are fixedly installed at one end of the rotating cylinders 13, the drive assembly 6 comprises a gear frame 601, the gear frame 601 is fixedly installed on the two ends above the portal frame body 3, a driving gear 602 is rotatably installed in the gear frame 601, the driving gear 602 and the passive gear 14 are in meshing connection with each other, a driving speed reducer 603 is arranged on the outer wall of one end of the gear frame 601, the output end of the driving speed reducer 603 and the driving gear 602 are fixedly connected with each other, a driving servo motor 604 is arranged at one end of the driving speed reducer 603, so that the steel coil body 4 can be detected one by one through cooperation of the self-propelled wheels 12 arranged below the portal frame body 3 and the rotary arms 5 capable of rotating, and the detection efficiency of the device on the steel coil body 4 is improved.

[0035] As shown in Figure 6As shown, the adjusting assembly 8 comprises adjusting rollers 801 arranged equidistantly, one end of the adjusting rollers 801 is rotatably installed on one side of the outer wall of the rotating arm 5, the outer surfaces of the adjusting rollers 801 are jointly and tightly sleeved with a transmission belt 802, the one end of the outer wall of the concave plate 803 is fixedly installed with an adjusting speed reducer 804, the output end of the adjusting speed reducer 804 penetrates through the one end of the outer wall of the concave plate 803 and is fixedly connected with the adjusting rollers 801, the one end of the adjusting speed reducer 804 is fixedly installed with an adjusting servo motor 805, the top end of the adjusting telescopic arm 7 is fixedly installed on the surface of the transmission belt 802, the top end of the adjusting telescopic arm 7 is provided with a limiting concave sliding frame 15, the lower surfaces of the two ends of the rotating arm 5 are provided with I-shaped limiting plates 16, the limiting concave sliding frame 15 and the I-shaped limiting plate 16 are slidably connected, the light supplementing lamps 10 arranged symmetrically below the adjusting telescopic arms 7 cross each other, so as to control the rotation of the adjusting rollers 801 at one end of the rotating arm 5 by starting the adjusting servo motor 805 and the adjusting speed reducer 804, so that the adjusting rollers 801 drive the transmission belt 802 to rotate, then under the limiting of the limiting concave sliding frame 15 and the I-shaped limiting plate 16, the adjusting telescopic arm 7 drives the CCD camera 11 on the lower end fixed plate 9 to move, thereby adjusting the monitoring range and accuracy of the CCD camera 11.

[0036] Working principle: in use, the workers place the steel roll body 4 equidistantly in the steel roll placing frame 2, the width of the steel roll body 4 is 1600mm, the interval distance of the steel roll body 4 is 1400mm, at the same time, the workers should ensure that the light source of the light supplementing lamp 10 does not interfere with the CCD camera 11, that is, the light source of the light supplementing lamp 10 must be installed outside the field of view of the CCD camera 11, then the workers move the gantry body 3 by starting the self-propelled wheel 12 to drive the CCD camera 11 to move, when the CCD camera 11 completes the shooting of the first steel roll body 4, the driving servo motor 604 and the driving speed reducer 603 drive the driving gear 602, so that the driving gear 602 drives the driven gear 14 to rotate; at this time, the rotating arm 5 starts to rotate, when the rotating arm 5 drives the adjusting telescopic arms 7 arranged at both ends to rotate, the gantry body 3 starts to move to the appropriate position of the next steel roll body 4, then the adjusting telescopic arms 7 are adjusted to the numerical state by the rotation of the rotating arm 5, the transmission belt 802 arranged on the adjusting roller 801 drives the adjusting telescopic arm 7 to adjust horizontally by the driving of the adjusting servo motor 805 and the adjusting speed reducer 804, so that the CCD camera 11 can detect the steel roll body 4 comprehensively, then the CCD camera 11 stores the detection data of the plurality of steel roll bodies 4, and finally the workers detect.

[0037] The above merely describes preferred specific embodiments of the present application, but the protection scope of the present application is not limited thereto, and any person skilled in the art, according to the technical solution and inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, should be covered within the protection scope of the present application.

Claims

1. A gantry type coil end face vision inspection system, characterized in that: The application relates to a steel coil automatic uncoiling device, which comprises a gantry support plate (1), a steel coil placing rack (2) arranged on the gantry support plate (1), a gantry body (3) slidingly arranged on the upper surface of the gantry support plate (1), a plurality of steel coil bodies (4) evenly arranged in the steel coil placing rack (2), a rotating arm (5) symmetrically inserted into the top end of the gantry body (3), a driving assembly (6) for rotating the rotating arm (5) symmetrically arranged on the top end of the gantry body (3), an adjusting telescopic arm (7) arranged on the two ends of the rotating arm (5), an adjusting assembly (8) for transversely reciprocating the adjusting telescopic arm (7) arranged on the two ends of one side of the rotating arm (5), a fixing plate (9) arranged on the lower end of the adjusting telescopic arm (7), a light supplementing lamp (10) symmetrically arranged on the side surface of the fixing plate (9), and a CCD camera (11) arranged on the side surface of the fixing plate (9). The gantry body (3) is symmetrically provided with an insertion hole in the top end, a rotating cylinder (13) is arranged on the outer surface of the middle position of the rotating arm (5), and the rotating cylinder (13) is rotatably arranged in the insertion hole. The driving assembly (6) comprises a gear frame (601) fixedly arranged on the two ends above the gantry body (3), a driving gear (602) rotatably arranged in the gear frame (601), and the driving gear (602) and the passive gear (14) are in meshing connection. One end of the gear frame (601) is provided with a driving speed reducer (603), the output end of the driving speed reducer (603) is fixedly connected with the driving gear (602), and one end of the driving speed reducer (603) is provided with a driving servo motor (604).

2. The end face vision inspection system for steel coil of portal frame type according to claim 1, characterized in that: The upper surfaces on the two sides of the gantry support plate (1) are provided with moving grooves, self-propelled wheels (12) are equidistantly arranged on the bottom surfaces of the two ends below the gantry body (3), and the self-propelled wheels (12) are arranged in the moving grooves.

3. The end face vision inspection system of a steel coil according to claim 2, characterized in that: The adjusting assembly (8) comprises equidistantly arranged adjusting rollers (801), one end of the adjusting roller (801) is rotatably arranged on the outer wall of one side of the rotating arm (5), the outer surfaces of the adjusting rollers (801) are jointly and tightly sleeved with a transmission belt (802), a concave plate (803) is fixedly welded on the outer wall of one end of the rotating arm (5), an adjusting speed reducer (804) is fixedly arranged on the outer wall of one end of the concave plate (803), the output end of the adjusting speed reducer (804) penetrates through the outer wall of one end of the concave plate (803) and is fixedly connected with the adjusting roller (801), and an adjusting servo motor (805) is fixedly arranged on one end of the adjusting speed reducer (804).

4. The end face vision detection system of the steel coil according to claim 3, characterized in that: The top end side of the adjusting telescopic arm (7) is sleeved and fixedly installed on the surface of the transmission belt (802), the other side of the top end of the adjusting telescopic arm (7) is provided with a limiting concave sliding frame (15), the lower surfaces of the two ends of the rotating arm (5) are both provided with an I-shaped limiting plate (16), and the limiting concave sliding frame (15) and the I-shaped limiting plate (16) are in sliding clamping with each other.

5. The end face vision inspection system of a steel coil according to claim 4, characterized in that: The light supplement lamps (10) symmetrically arranged below the adjusting telescopic arms (7) cross each other in irradiation.

6. The control method of a gantry type steel coil end face visual inspection system according to claim 5, characterized in that: The method comprises the following steps: S1: the steel roll bodies (4) are equidistantly placed in the steel roll placing racks (2), and the irradiation light sources of the light supplement lamps (10) are installed outside the visual field of the CCD camera (11); S2: the gantry body (3) drives the CCD camera (11) to move through the opening of the self-propelled wheel (12), when the CCD camera (11) completes the photographing of the first steel roll body (4), the driving of the driving servo motor (604) and the driving speed reducer (603) on the driving gear (602) is realized, so that the driving gear (602) drives the driven gear (14) to rotate; S3: the rotating arm (5) starts to rotate, when the rotating arm (5) drives the two ends of the adjusting telescopic arm (7) to rotate, the gantry body (3) starts to move to the appropriate position of the next steel roll body (4), and then the adjusting telescopic arm (7) is adjusted to the numerical state through the rotation of the rotating arm (5); S4: the driving of the adjusting roller (801) is realized through the adjusting servo motor (805) and the adjusting speed reducer (804), so that the transmission belt (802) provided on the adjusting roller (801) drives the adjusting telescopic arm (7) to be transversely adjusted, and the CCD camera (11) is convenient for the comprehensive detection of the steel roll body (4); S5: the CCD camera (11) stores the detection data of the multiple steel roll bodies (4), and finally a worker detects.

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