Slab size measuring device

Abstract

The utility model relates to the technical field of hot-rolled plate strip technology, in particular to a plate blank size measuring device, which comprises a detection device, a camera A, a camera B, a control system, an upper computer, a mounting bracket and a purging device, and is characterized in that the camera A is arranged above a plate blank and is used for acquiring the position of the whole outline of the plate blank; the installation support stretches across the plate blank feeding roller way and is perpendicular to the moving direction of a plate blank, the camera B is arranged on the installation support, the detection device is arranged at the position where the plate blank can completely enter the shooting range of the camera B after being detected, and the detection height of the detection device is matched with the position of the plate blank on the plate blank feeding roller way. The purging device is arranged on the mounting bracket, and the purging direction faces the detection position of the detection device; the detection device, the camera A, the camera B and the purging device are all connected to a control system, and the control system is connected to an upper computer through a communication cable; and the disadvantage of metal flying chip interference is overcome, cost is low, and maintenance is easy and convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of hot-rolled plate and strip technology, in particular to a slab size measuring device. Background Art

[0002] In the production process of medium and thick plates, the size of the slab directly affects the size of the finished product. Accurate slab size can effectively improve the width and thickness control accuracy of the rolling process. Traditionally, the size of slabs is measured manually, which has low measurement efficiency and limited data collection, and can only achieve random inspections. At the same time, with the advancement of hot charging and hot delivery technology, manual measurement is impossible for high-temperature slabs. With the development of visual technology, great progress has been made in non-contact measurement of dimensions, which can realize online measurement of high-temperature slab dimensions and replace manual measurement. It has the characteristics of high efficiency and fast measurement speed. However, some existing equipment is complex and costly, and detection is easily interfered by metal flying chips on site. Summary of the invention

[0003] The utility model provides a slab size measuring device, which replaces manual work and solves the problem that high-temperature slabs cannot be measured manually, solves the disadvantage of interference from metal flying chips, realizes online measurement of slab size, has low cost, and is simple and convenient to maintain.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A slab size measuring device comprises a detection device, a camera A, a camera B, a control system, a host computer, a mounting bracket and a purging device, wherein the camera A is arranged at a position above the slab to collect the entire contour of the slab, the mounting bracket spans the slab feeding roller and is arranged perpendicular to the running direction of the slab, the camera B is arranged on the mounting bracket, the camera B is arranged in the running direction of the slab and at a position to collect the cross-section of the slab, the detection device is arranged in the slab feeding direction before the mounting bracket and is arranged on both sides of the slab feeding roller, and the detection device is arranged at a position where the slab can completely enter the shooting range of the camera B after the slab is detected, the detection height of the detection device matches the position of the slab on the slab feeding roller, the purging device is arranged on the mounting bracket and the purging direction is toward the detection position of the detection device; the detection device, camera A, camera B and purging device are all connected to the control system, and the control system is connected to the host computer via a communication cable.

[0006] Furthermore, it also includes an auxiliary light source, which is arranged on both sides of the slab running direction, and the irradiation position of the auxiliary light source is within the shooting range of camera A and camera B, and the auxiliary light source is a strip light source.

[0007] Furthermore, the mounting bracket includes a vertical beam and a horizontal beam, the vertical beams are arranged on both sides of the slab feeding roller, the horizontal beam is fixedly connected to the top of the vertical beams on both sides, and is arranged at a height position higher than the slab after the slab is on the slab feeding roller, and the purge device is arranged on the horizontal beam.

[0008] Furthermore, there are multiple purge devices, which are evenly arranged on the crossbeam of the mounting bracket.

[0009] Furthermore, the control system includes a power module, a controller, an IO module and a communication module, the power module is connected to the controller, the controller is connected to the IO module, the IO module is connected to camera A, camera B, a purge device and a detection device, and the communication module is connected to a host computer via an optical fiber.

[0010] Furthermore, the detection device is a beam-type infrared photoelectric switch.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] 1) The detection device, camera A and camera B are used to perform all-round detection of the slab, replacing the manual dimension measurement process before the slab is loaded into the heating furnace. The control system and the host computer are combined to realize the online and accurate measurement of the slab dimension;

[0013] 2) The head and tail positions of the slab are automatically detected by the infrared photoelectric switch, and the detection position of the detection device is purged by the purge device to prevent the flying of metal chips from causing the infrared photoelectric switch to generate an erroneous signal and a detection error;

[0014] 3) The auxiliary light source enables the camera to capture clear and complete images, facilitating accurate measurement of slab dimensions;

[0015] 4) The detected real-time slab data is compared with the database setting data to achieve real-time qualification judgment of the slab. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of the utility model.

[0017] In the figure: 1. slab; 2. auxiliary light source; 3. detection device; 4. camera A; 5. camera B; 6. control system; 7. host computer; 8. purge device; 9. slab loading roller. DETAILED DESCRIPTION

[0018] The specific implementation of the utility model is further described below in conjunction with the accompanying drawings:

[0019] See Figure 1, is a schematic diagram of the structure of the utility model. The utility model is a slab size measuring device, including a detection device 3, a camera A4, a camera B5, a control system 6, a host computer 7, an auxiliary light source 2, a mounting bracket and a purge device 8;

[0020] The camera A4 is arranged above the slab 1 to capture the entire profile of the slab 1;

[0021] The auxiliary light source 2 is arranged on both sides of the running direction of the slab 1, and the irradiation position of the auxiliary light source 2 is within the shooting range of the camera A4 and the camera B5. The auxiliary light source 2 is a strip light source;

[0022] The mounting bracket spans the slab feeding roller 9 and is arranged perpendicular to the running direction of the slab 1. The mounting bracket includes a vertical beam and a horizontal beam. The vertical beams are arranged on both sides of the slab feeding roller 9. The horizontal beams are fixedly connected to the tops of the vertical beams on both sides and are arranged at a height position higher than the slab 1 behind the slab feeding roller 9. There are multiple purge devices 8, which are evenly arranged on the horizontal beams of the mounting bracket, and the purge direction is toward the detection position of the detection device 3;

[0023] The camera B5 is arranged in the running direction of the slab 1 and collects the position of the cross section of the slab 1, and is arranged on the crossbeam of the mounting bracket; the detection device 3 is a beam-type infrared photoelectric switch, which is arranged in the material feeding direction of the slab 1 before the mounting bracket, and is arranged on both sides of the slab feeding roller 9, and the detection device 3 is arranged at a position where the slab 1 can completely enter the shooting range of the camera B5 after the slab 1 is detected, and the detection height of the detection device 3 matches the position of the slab 1 on the slab feeding roller 9;

[0024] The control system 6 includes a power module, a controller, an IO module and a communication module. The power module is connected to the controller, the controller is connected to the IO module, the IO module is connected to the camera A4, the camera B5, the purge device 8 and the detection device 3, and the communication module is connected to the host computer 7 via an optical fiber.

[0025] Working principle: 1. Install camera A4 above the slab 1 feeding roller to obtain the width and length information of the slab 1. The installation position can cover the entire slab 1 and can collect the complete contour information of the slab 1.

[0026] 2. Camera B5 is installed on the crossbeam of the mounting bracket, in the running direction of slab 1 and at the position for collecting the cross section of slab 1, to obtain the thickness and width information of slab 1. The installation position needs to be able to collect the complete cross section information of slab 1.

[0027] 3. The strip-shaped auxiliary light sources 2 arranged on both sides of the running direction of the slab 1 are used to improve the clarity of the illumination and measurement of the cameras A4 and B5.

[0028] 4. The incoming direction of the slab 1 is set before the mounting bracket, and the opposing infrared photoelectric switches are set on both sides of the slab feeding roller 9 to detect the head and tail positions of the slab 1. The position of the opposing infrared photoelectric switches needs to ensure that the slab 1 can completely enter the shooting area of ​​camera A4 and camera B5.

[0029] 5. During the conveying process of the slab 1, the purge device 8 blows the opposing range of the opposing infrared photoelectric switch in real time. When the opposing infrared photoelectric switch detects the slab 1, the camera A4 and the camera B5 are triggered to shoot the slab 1. The slab 1 information collected by the camera A4 and the camera B5 is transmitted to the control system 6, and the control system 6 transmits it to the host computer 7, which processes, analyzes and displays it at the host computer 7 and outputs the measurement results.

[0030] 6. The real-time production data in the host computer 7 is connected to the production and manufacturing system, and the data information of the slab 1 can be compared to determine whether the size of the slab 1 is consistent with the planned information.

[0031] The above embodiments are implemented based on the technical solution of the utility model, and detailed implementation methods and specific operation processes are given, but the protection scope of the utility model is not limited to the above embodiments. The methods used in the above embodiments are conventional methods unless otherwise specified.

Claims

1. A slab size measuring device, characterized in that: It includes a detection device, a camera A, a camera B, a control system, a host computer, a mounting bracket and a purging device, wherein the camera A is arranged at a position above the slab to collect the entire contour of the slab; the mounting bracket spans the slab feeding roller and is arranged perpendicular to the running direction of the slab, the camera B is arranged on the mounting bracket, the camera B is arranged in the running direction of the slab and at a position to collect the cross-section of the slab, the detection device is arranged in the slab feeding direction before the mounting bracket, and is arranged on both sides of the slab feeding roller, and the detection device is arranged at a position where the slab can completely enter the shooting range of the camera B after the slab is detected, the detection height of the detection device matches the position of the slab on the slab feeding roller, the purging device is arranged on the mounting bracket and the purging direction is toward the detection position of the detection device; the detection device, camera A, camera B and purging device are all connected to the control system, and the control system is connected to the host computer via a communication cable.

2. A slab size measuring device according to claim 1, characterized in that: It also includes an auxiliary light source, which is arranged on both sides of the slab running direction. The irradiation position of the auxiliary light source is within the shooting range of camera A and camera B. The auxiliary light source is a strip light source.

3. A slab size measuring device according to claim 1, characterized in that: The mounting bracket includes a vertical beam and a horizontal beam. The vertical beams are arranged on both sides of the slab feeding roller. The horizontal beam is fixedly connected to the top of the vertical beams on both sides and is arranged at a height position higher than the slab after it is on the slab feeding roller. The purge device is arranged on the horizontal beam.

4. A slab size measuring device according to claim 3, characterized in that: There are multiple purge devices, which are evenly arranged on the crossbeam of the mounting bracket.

5. The slab size measuring device according to claim 1, characterized in that: The control system includes a power module, a controller, an IO module and a communication module. The power module is connected to the controller, the controller is connected to the IO module, the IO module is connected to camera A, camera B, a purge device and a detection device, and the communication module is connected to a host computer via an optical fiber.

6. A slab size measuring device according to claim 1, characterized in that: The detection device is a beam-type infrared photoelectric switch.

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