CN115876767A - Precise seamless steel pipe attached oxide skin detection system based on machine vision and weak magnetic sensing - Google Patents
Precise seamless steel pipe attached oxide skin detection system based on machine vision and weak magnetic sensing Download PDFInfo
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- CN115876767A CN115876767A CN202211497726.1A CN202211497726A CN115876767A CN 115876767 A CN115876767 A CN 115876767A CN 202211497726 A CN202211497726 A CN 202211497726A CN 115876767 A CN115876767 A CN 115876767A
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Abstract
The invention discloses a precise seamless steel pipe attached oxide skin detection system based on machine vision and weak magnetic sensing, and relates to the technical field of precise seamless steel pipe pickling quality and flushing effect detection. The device comprises a flux gate sensor-based weak magnetic signal acquisition mechanism, a precise seamless steel pipe automatic conveying mechanism, a CCD platform clamping mechanism, a CCD-based special steel pipe inner wall image acquisition mechanism and a software upper computer system of a whole set of detection device. By the technical scheme, the detection of the scale attached to the precise seamless steel pipe and the cleaning quality can be automatically realized, and the traditional manual detection mode is changed. The device adopts a detachable flexible adjustable fluxgate fixing frame, and can cover the detection of various conventional types of precise seamless steel pipes in the current market. The method has the advantages of low labor, high efficiency, high reliability, quantitative detection result and high reliability.
Description
Technical Field
The invention relates to the technical field of detection of the pickling quality and the washing effect of a precise seamless steel pipe, in particular to a device and a system for detecting an attached oxide skin of the precise seamless steel pipe based on machine vision and weak magnetic sensing.
Background
The precise seamless steel pipe can generate a compact oxide layer during high-temperature forging and pressing forming and is firmly attached to the surface, the oxide skin and rust attached to the surface can be removed through an acid washing process, the fallen oxide skin and sludge are removed through a washing process, and the acid washing and washing effect detection is an important link before the precise seamless steel pipe leaves a factory. At present, the detection of the outer wall is usually judged directly by human eyes according to experience, and the cleaning effect is judged according to the dirty and color-changing conditions of cotton by extending into the cotton according to the conventional detection method because the inner wall of the steel pipe is limited by structure. The detection method is traditional, the reliability of the result is low, and meanwhile, whether residual oxide skin is adhered to the surface cannot be judged truly, so that the detection requirement of high-quality precise seamless steel pipes cannot be met.
Disclosure of Invention
In order to solve the problems, the invention mainly aims to provide a precise seamless steel pipe scale attaching detection system based on machine vision and weak magnetic sensing, which can automatically detect the scale attaching to the steel pipe and the surface cleaning quality after the pickling and flushing process and has the advantages of low labor, high efficiency, high reliability, quantitative detection result and high reliability.
In order to realize the purpose, the invention adopts the following technical scheme:
the utility model provides a precision seamless steel pipe adheres to cinder detecting system based on machine vision and weak magnetism sensing, includes detection device and the detection software host computer system of being connected with detection device cooperation, detection device includes: the flux gate sensor-based weak magnetic signal acquisition mechanism, the precise seamless steel pipe automatic conveying mechanism and the CCD-based special steel pipe inner wall image acquisition mechanism are matched with the special steel pipe inner wall image acquisition mechanism and transmit acquired signals to a detection software upper computer system, so that precise detection of the precise seamless steel pipe attached oxide skin and detection judgment and result analysis of surface cleaning quality are realized.
As a further technical scheme, the weak magnetic signal acquisition mechanism comprises a shielding box, a fluxgate sensor fixing frame and a fluxgate sensor, wherein the fluxgate sensor fixing frame is installed in the shielding box and comprises an upper support, a lower support, a ribbed plate and a base, the upper support and the lower support are fixed through bolts and hexagon nuts, and the fluxgate sensor fixing frame is provided with 3 fluxgate sensors which are fixed through sensor fixing bosses; the lower bracket is fixed on the base through a ribbed plate; after the steel pipe to be measured passes through the fluxgate sensor, acquiring and obtaining a weak magnetic sensing signal; and the acquired real-time magnetic signal value is uploaded to a detection software upper computer system through a transmission line.
As a further technical scheme, the precise seamless steel pipe automatic conveying mechanism comprises a roller, a roller supporting seat, a roller way and a power source, wherein the roller is fixed on the roller way through the roller supporting seat, the power source is a driving motor, and the driving motor drives the roller to rotate so as to drive the steel pipe to be conveyed.
As a further technical scheme, the special steel pipe inner wall image acquisition mechanism based on the CCD comprises a CCD platform, a CCD platform positioning and clamping mechanism and a CCD platform moving mechanism; the CCD platform comprises a telescopic rod, an industrial camera and a lens, wherein the industrial camera and the lens are arranged at the end part of the telescopic rod, and the industrial camera is connected with the lens through threads.
As a further technical scheme, CCD platform location clamping mechanism includes first fixed plate, the second fixed plate, first clamping mechanism and second clamping mechanism, first clamping mechanism fixes a position between first fixed plate and second fixed plate, first clamping mechanism sets up on CCD platform moving mechanism, first clamping mechanism presss from both sides tight telescopic link, it controls to remove about realizing under CCD platform moving mechanism's effect, the telescopic link passes first fixed plate and the setting of second fixed plate, still be provided with the stopper on first fixed plate and second fixed plate.
As a further technical scheme, the first clamping mechanism comprises a clamp mounting plate, a slide rail is arranged on the clamp mounting plate, a clamp fixing block for clamping the telescopic rod is arranged on the slide rail, a groove matched with the slide rail in shape is formed in the bottom of the clamp fixing block and can slide on the slide rail, the clamp fixing block comprises a first fixing block and a second fixing block, a clamp baffle plate is fixedly arranged at the end part of the slide rail, and the first fixing block is tightly attached to the clamp baffle plate; an air cylinder fixing plate is arranged at the outer side part of the second fixing block, the air cylinder is installed on the air cylinder fixing plate, an output shaft of the air cylinder is connected with a clamp dragging block, and the clamp dragging block is matched with a groove in the second fixing block.
As a further technical scheme, the first clamping mechanism and the second clamping mechanism are identical in structure, the second clamping mechanism is located on the outer side of the first fixing plate and fixed on the equipment platform through the clamp base, and a nylon block is further arranged on the inner side of the clamp fixing block.
As a further technical scheme, the CCD platform moving mechanism comprises a three-phase asynchronous motor, a ball screw, a sliding block mounting plate and a polished rod, wherein the two sliding block mounting plates are fixedly arranged at the lower part of the clamp mounting plate, the ball screw and the polished rod penetrate through the sliding block mounting plate and are arranged between a first fixing plate and a second fixing plate, and the three-phase asynchronous motor is fixed on a bottom plate; the ball screw is connected with the motor main shaft through a coupler, the ball screw is provided with deep groove ball bearings, the deep groove ball bearings are fixed on the side portions of the first fixing plate and the second fixing plate, a ball screw pair is installed on the ball screw, the ball screw pair is fixed on a sliding block mounting plate, a sliding block is installed on the sliding block mounting plate, and the polished rod penetrates through the sliding block.
As a further technical scheme, an image acquisition box is further arranged outside the CCD platform positioning and clamping mechanism and the CCD platform moving mechanism, a cylinder is fixed outside the image acquisition box through a cylinder fixing plate, a cylinder output shaft is arranged in a box body, and a slot for the cylinder to move is formed in the side part of the image acquisition box; the telescopic link is the recess type, and the industry CCD data transmission line of being convenient for places, with the positive hole connection income detection software host computer system of data transmission line through image acquisition box rear end.
As a further technical scheme, the three-phase asynchronous motor drives a ball screw to perform rotary motion, a ball screw pair converts the rotary motion into linear motion of a first clamping mechanism, and a cylinder clamps a telescopic rod and then drives a camera at the front end of the telescopic rod to move so as to acquire real-time images in a pipe; and after the data acquisition is finished, transmitting the detected data to a software upper computer system, displaying real-time data on a system software interface, recording and processing the data, and finishing the detection judgment and result analysis of the surface cleaning quality of the attached oxide skin and the precise seamless steel pipe.
Compared with the prior art, the invention has the following beneficial effects:
(1) By adopting the technical scheme of the invention, the detection of the adhesion of the oxide skin to the precise seamless steel pipe and the cleaning quality can be realized automatically, the traditional manual detection mode is changed, and the method has the advantages of low labor, high efficiency, high reliability, quantitative detection result and high reliability.
(2) The device provided by the invention adopts the fusion processing of the magnetic signal and the visual image to detect and give quantitative evaluation, the robustness of the system and the reliability of the detection result are higher, and the delivery quality of each high-quality precise seamless steel pipe can be effectively ensured.
(3) The device adopts the detachable flexible adjustable fluxgate fixing frame, and can cover the detection of various conventional types of precise seamless steel pipes in the current market.
Drawings
FIG. 1 is a schematic perspective view of the system of the present invention;
FIG. 2 is a schematic front view of the structure of an image acquisition mechanism for the inner wall of a steel pipe of the device of the present invention;
FIG. 3 is a schematic perspective view of FIG. 2;
FIG. 4 is a schematic structural view of a weak magnetic signal acquisition mechanism of the device of the present invention;
FIG. 5 is a schematic view of the CCD stage positioning and clamping mechanism of the apparatus of the present invention;
FIG. 6 is a UI interface schematic diagram of the magnetic signal detection software of the system of the present invention;
FIG. 7 is a UI interface diagram of the steel pipe inner wall image detection software of the system of the present invention;
in the figure, 1, a shielding box; 2. a fluxgate sensor holder; 3. a roller; 4. a CCD platform; 5. an image collection box; 6. detecting a software upper computer system; 7. a fixed mount; 8. a three-phase asynchronous motor; 9. a roller supporting seat; 10. an industrial camera; 11. a lens; 12. a coupling; 13. a deep groove ball bearing; 14. a ball screw; 141. a polish rod; 15. a ball screw pair; 16. a roller way; 17. a slider; 18. a clamp mounting plate; 19. a sliding block mounting plate; 20. a slide rail; 21. nylon blocks; 22. a first fixed block; 23. a second fixed block; 24. a limiting block; 25. a drive motor; 26. a clamp base; 27. a telescopic rod; 28. a bolt; 29. a lower bracket; 30. an upper bracket; 31. a fluxgate sensor; 32. a sensor fixing boss; 33. a hexagonal nut; 34. a rib plate; 35. a first fixing plate; 36. a second fixing plate; 37. a clamp pulling block; 38. a clamp baffle; 39. a cylinder; 40. and a cylinder fixing plate.
Detailed Description
The technical solutions of the present invention are described below clearly and completely by way of embodiments in conjunction with the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
As shown in fig. 1 to 5, the system for detecting scale attached to a precision seamless steel tube based on machine vision and weak magnetic sensing according to the present invention comprises: detection device and with detection device cooperation detection software upper computer system 6 of being connected, detection device includes: the flux gate sensor-based weak magnetic signal acquisition mechanism, the precise seamless steel pipe automatic conveying mechanism and the CCD-based special steel pipe inner wall image acquisition mechanism are matched with the special steel pipe inner wall image acquisition mechanism, and the acquired weak magnetic signals and the acquired image signals are transmitted to a detection software upper computer system 6, so that precise detection of the precise seamless steel pipe attached oxide skin and detection judgment and result analysis of surface cleaning quality are realized.
The weak magnetic signal acquisition mechanism comprises a shielding box 1, a fluxgate sensor fixing frame 2 and a fluxgate sensor 31, wherein the fluxgate sensor fixing frame 2 is installed in the shielding box 1, and the bottom of the fluxgate sensor fixing frame 2 is fixed with a base of the shielding box 1 through a bolt. Since the fluxgate sensor 31 is sensitive to the magnetic field, the shielding cage 1 is composed of a stainless steel seal. The fluxgate sensor mount 2 comprises an upper support 30, a lower support 29, a rib plate 34 and a base, wherein the lower support 29 is fixed on the base through the rib plate 34, the upper support 30 and the lower support 29 are fixed with a hexagon nut 33 through a bolt 28, and compared with an integrated mount, the fluxgate sensor mount adopts a detachable mount, so that supports of different diameters of steel pipes to be tested can be replaced, the application range is wider, and meanwhile, when the mount is damaged, the mount can be replaced quickly, and the detection efficiency is improved.
The fluxgate sensor mount 2 is uniformly distributed with 3 fluxgate sensors 31 and fixed by a sensor fixing boss 32. After passing through the fluxgate sensor 31, the steel pipe to be measured acquires a real-time magnetic signal. The acquired real-time magnetic signal value is uploaded to a detection software upper computer system 6 through a transmission line. Because the precise seamless steel pipe and the oxide skin on the surface have different magnetic signals, the detection of the oxide skin attached to the precise seamless steel pipe and the cleaning quality can be conveniently realized by combining the weak magnetic signal detection mechanism with the image acquisition mechanism.
The automatic conveying mechanism for the precise seamless steel pipes comprises rollers 3, roller supporting seats 9, a roller way 16 and a power source, wherein the rollers 3 are fixed on the roller way 16 through the roller supporting seats 9, the power source is a driving motor 25, and the driving motor 25 drives the rollers 3 to rotate so as to drive the steel pipes to be conveyed. The precision seamless steel pipe is transported by rollers 3. The precise seamless steel pipe passes through the shielding box 1, the fluxgate sensor fixing frame 2 and the transportation mechanism in sequence to achieve the purpose of inspection. The rear end of the image acquisition box 5 is provided with a groove for connecting the wiring of a computer.
The special steel pipe inner wall image acquisition mechanism based on the CCD comprises a CCD platform, a CCD platform positioning and clamping mechanism and a CCD platform moving mechanism; the CCD platform comprises a telescopic rod 27, an industrial camera 10 and a lens 11, wherein the industrial camera 10 and the lens 11 are arranged at the end part of the telescopic rod 27, the industrial camera 10 is connected with the lens 11 through threads, and the bottom of the industrial camera 10 is fixed with the top end of the telescopic rod through 4 screws.
The CCD platform positioning and clamping mechanism comprises a first fixing plate 35, a second fixing plate 36, a first clamping mechanism and a second clamping mechanism, the first clamping mechanism is positioned between the first fixing plate 35 and the second fixing plate 36, the first clamping mechanism is arranged on the CCD platform moving mechanism, the first clamping mechanism clamps the telescopic rod 27, left and right movement is achieved under the effect of the CCD platform moving mechanism, the telescopic rod 27 penetrates through the first fixing plate 35 and the second fixing plate 36, the first fixing plate 35 and the second fixing plate 36 are further provided with limiting blocks 24, and left and right movement of the first clamping mechanism is limited.
The invention relates to a precise seamless steel pipe attached oxide skin detection device based on machine vision and weak magnetic sensing.A first clamping mechanism comprises a clamp mounting plate 18, a clamping module is mounted on the clamp mounting plate 18, firstly, a slide rail 20 is arranged, and the slide rail 20 is connected with the clamp mounting plate 18 through 3 uniformly distributed threaded holes in the width direction. The fixture fixing block is mounted on the slide rail 20 and used for clamping the telescopic rod and limiting displacement of the X axis and the Z axis of the fixture fixing block. The bottom of the fixture fixing block is provided with a groove matched with the slide rail 20 in shape and capable of sliding on the slide rail, the fixture fixing block comprises a first fixing block 22 and a second fixing block 23, the end part of the slide rail 20 is fixedly provided with a fixture baffle 38, and the first fixing block 22 is tightly attached to the fixture baffle 38; the outer side of the second fixing block 23 is provided with a cylinder fixing plate 40, a cylinder 39 is mounted on the cylinder fixing plate 40, the output shaft of the cylinder 39 is connected with the clamp dragging block 37, and the clamp dragging block 37 is matched with the groove in the second fixing block 23. The clamp block 38 is fully secured to the clamp mounting plate 18 by bolts. Therefore, the clamping and loosening of the clamp module can be finished only by controlling the clamp fixing block. The clamp pulling block 37 is fixed by the output shaft of the cylinder 39, and the clamp pulling block 37 is matched with the groove in the clamp fixing block. Therefore, the clamping and the releasing of the clamping module can be controlled only by controlling the extension and the contraction of the output shaft of the air cylinder.
The first clamping mechanism and the second clamping mechanism have the same structure, the second clamping mechanism is located on the outer side of the first fixing plate 35 and fixed on the equipment platform through the clamp base 26, and the second clamping mechanism mainly plays a role in auxiliary clamping and positioning. And a nylon block 21 is also arranged on the inner side of the fixture fixing block. The nylon block 21 can prevent the excessive wear of the telescopic rod 27, and the telescopic rod 27 with different sizes can be adapted by changing the nylon blocks 21 with different sizes.
The CCD platform moving mechanism comprises a three-phase asynchronous motor 8, a ball screw 14, a sliding block mounting plate 19 and a polished rod 141, the two sliding block mounting plates 19 are fixedly arranged at the lower part of the clamp mounting plate 18, the ball screw 14 and the polished rod 141 penetrate through the sliding block mounting plate 19 and are arranged between a first fixing plate 35 and a second fixing plate 36, and the three-phase asynchronous motor 8 is fixed on the fixing frame 7; the ball screw 14 is connected with a motor spindle through a coupler 12, the ball screw 14 is provided with a deep groove ball bearing 13, the deep groove ball bearing 13 is fixed on the side portions of a first fixing plate 35 and a second fixing plate 36, the ball screw 14 is provided with a ball screw pair 15, the ball screw pair 15 is fixed on a sliding block mounting plate 19, and the rotary motion of the ball screw 14 is converted into the linear motion of the clamp module through the ball screw pair 15. Due to the influence of the stroke and the weight of the clamp module, the rigidity and the strength of the single ball screw are not enough to support. Therefore, 2 sliding blocks 17 are mounted on the sliding block mounting plate 19. The slide block 17 is internally connected with 2 polished rods 141, the 2 polished rods 141 are respectively arranged at the left side and the right side of the ball screw 14, and the polished rods 141 are connected with the left side fixing plate and the right side fixing plate to provide enough rigidity and strength for the ball screw 14.
According to the invention, the image acquisition box 5 is arranged outside the CCD platform positioning and clamping mechanism and the CCD platform moving mechanism, the air cylinder 39 is fixed outside the image acquisition box 5 through the air cylinder fixing plate 40, and the air cylinder output shaft is arranged in the box body, so that the influence of the environment on parts is greatly reduced. The telescopic rod 27 of the present invention is designed to be a groove shape, which is convenient for the placement of the data transmission line of the industrial camera 10. Through the design of the groove, the data transmission line is connected into the upper computer system of the detection software through a square hole at the rear end of the image acquisition box 5.
According to the precise seamless steel tube attached oxide skin detection device based on machine vision and weak magnetic sensing, the expansion of the telescopic rod 27 is mainly realized by driving a ball screw 14 to rotate by a three-phase asynchronous motor 8, the rotating motion is converted into the linear motion of a clamping module by a ball screw pair 15, and after the telescopic rod 27 is clamped by a cylinder 39, an industrial camera 10 at the front end of the telescopic rod is driven to move to acquire a real-time in-tube image.
When the seamless steel pipe to be detected is detected, the seamless steel pipe to be detected is conveyed through the automatic conveying mechanism, the seamless steel pipe passes through the fluxgate sensor fixing frame to be detected for magnetic signals, meanwhile, the telescopic rod 27 moves under the action of the CCD platform moving mechanism, the moving direction of the telescopic rod and the seamless steel pipe are opposite, and the telescopic rod enters the seamless steel pipe until the image of the whole steel pipe is completely acquired. After the whole seamless steel pipe is collected, the seamless steel pipe and the telescopic pipe move to the initial position in the opposite direction, a new seamless steel pipe is replaced, the procedures are repeated, and the next steel pipe is detected.
After data acquisition is completed, detected data are transmitted to the detection software upper computer system 6, the schematic diagram of the magnetic signal detection software UI interface and the schematic diagram of the magnetic signal detection software UI interface are respectively shown in fig. 6 and 7, the detection software upper computer system 6 displays real-time data, records the data and processes the data, and detection of the oxide skin is completed.
By adopting the technical scheme of the invention, the detection of the adhesion of the oxide skin to the precise seamless steel pipe and the cleaning quality can be realized automatically, the traditional manual detection mode is changed, and the method has the advantages of low labor, high efficiency, high reliability, quantitative detection result and high reliability.
Claims (10)
1. The utility model provides a precision seamless steel pipe adheres to cinder detecting system based on machine vision and weak magnetism sensing which characterized in that, includes detection device and the detection software host computer system (6) of being connected with detection device cooperation, detection device includes: the flux gate sensor-based weak magnetic signal acquisition mechanism, the precise seamless steel pipe automatic conveying mechanism and the CCD-based special steel pipe inner wall image acquisition mechanism are matched with the weak magnetic signal acquisition mechanism and the special steel pipe inner wall image acquisition mechanism, and acquired signals are transmitted to a detection software upper computer system (6), so that precise detection of the precise seamless steel pipe attached oxide skin and detection judgment and result analysis of surface cleaning quality are realized.
2. The precise seamless steel tube attached scale detection system based on machine vision and weak magnetic sensing is characterized in that the weak magnetic signal acquisition mechanism comprises a shielding box (1), a fluxgate sensor fixing frame (2) and a fluxgate sensor (31), the fluxgate sensor fixing frame (2) is installed in the shielding box (1), the fluxgate sensor fixing frame (2) comprises an upper bracket (30), a lower bracket (29), a ribbed plate (34) and a base, the upper bracket (30) and the lower bracket (29) are fixed with a hexagon nut (33) through a bolt (28), and the fluxgate sensor fixing frame (2) is provided with 3 fluxgate sensors (31) which are fixed through sensor fixing bosses (32); the lower bracket (29) is fixed on the base through a ribbed plate (34); after the steel pipe to be measured passes through the fluxgate sensor (31), acquiring and obtaining a weak magnetic sensing signal; the acquired real-time magnetic signal value is uploaded to a detection software upper computer system (6) through a transmission line.
3. The system for detecting the scale adhesion of the seamless steel tube based on the machine vision and the weak magnetic sensing is characterized in that the automatic conveying mechanism for the seamless steel tube comprises a roller (3), a roller support (9), a roller way (16) and a power source, wherein the roller (3) is fixed on the roller way (16) through the roller support (9), the power source is a driving motor (25), and the driving motor (25) drives the roller (3) to rotate so as to drive the steel tube to convey.
4. The system for detecting the scale attached to the precise seamless steel tube based on the machine vision and the weak magnetic sensing is characterized in that the CCD-based special steel tube inner wall image acquisition mechanism comprises a CCD platform (4), a CCD platform positioning and clamping mechanism and a CCD platform moving mechanism; the CCD platform (4) comprises a telescopic rod (27), an industrial camera (10) and a lens (11) which are arranged at the end part of the telescopic rod (27), and the industrial camera (10) is connected with the lens (11) through threads.
5. The precise seamless steel tube scale adhesion detection system based on machine vision and weak magnetic sensing as claimed in claim 4, wherein the CCD platform positioning and clamping mechanism comprises a first fixing plate (35), a second fixing plate (36), a first clamping mechanism and a second clamping mechanism, the first clamping mechanism is positioned between the first fixing plate (35) and the second fixing plate (36), the first clamping mechanism is arranged on the CCD platform moving mechanism, the first clamping mechanism clamps the telescopic rod (27) to move left and right under the action of the CCD platform moving mechanism, the telescopic rod (27) penetrates through the first fixing plate (35) and the second fixing plate (36), and the first fixing plate (35) and the second fixing plate (36) are further provided with a limiting block (24).
6. The precise seamless steel tube attached oxide skin detection system based on machine vision and weak magnetic sensing is characterized in that the first clamping mechanism comprises a clamp mounting plate (18), a slide rail (20) is arranged on the clamp mounting plate (18), a clamp fixing block for clamping the telescopic rod (27) is arranged on the slide rail (20), a groove matched with the slide rail (20) in shape is formed in the bottom of the clamp fixing block and can slide on the slide rail, the clamp fixing block comprises a first fixing block (22) and a second fixing block (23), a clamp baffle (38) is fixedly arranged at the end of the slide rail (20), and the first fixing block (22) is tightly attached to the clamp baffle (38); an air cylinder fixing plate (40) is arranged at the outer side part of the second fixing block (23), an air cylinder (39) is installed on the air cylinder fixing plate (40), an output shaft of the air cylinder (39) is connected with a clamp dragging block (37), and the clamp dragging block (37) is matched with a groove in the second fixing block (23).
7. The precise seamless steel tube scale detection system based on machine vision and weak magnetic sensing as claimed in claim 6, wherein the first clamping mechanism and the second clamping mechanism are identical in structure, the second clamping mechanism is located outside the first fixing plate (35) and fixed on the equipment platform through a clamp base (26), and a nylon block (21) is further arranged inside the clamp fixing block.
8. The precise seamless steel tube scale detection system based on machine vision and weak magnetic sensing is characterized in that the CCD platform moving mechanism comprises a three-phase asynchronous motor (8), a ball screw (14), a sliding block mounting plate (19) and a polished rod (141), the two sliding block mounting plates (19) are fixedly arranged at the lower part of the clamp mounting plate (18), the ball screw (14) and the polished rod (141) are arranged between a first fixing plate (35) and a second fixing plate (36) through the sliding block mounting plate (19), and the three-phase asynchronous motor (8) is fixed on a bottom plate; ball screw (14) link to each other with the motor spindle through shaft coupling (12), and deep groove ball bearing (13) are installed in ball screw (14), the lateral part at first fixed plate (35) and second fixed plate (36) is fixed in deep groove ball bearing (13), installs ball screw pair (15) on ball screw (14), and ball screw pair (15) are fixed on sliding block mounting panel (19), install sliding block (17) on sliding block mounting panel (19), and smooth rod (141) pass sliding block (17) and set up.
9. The precise seamless steel tube scale detection system based on machine vision and weak magnetic sensing is characterized in that an image acquisition box (5) is further arranged outside the CCD platform positioning and clamping mechanism and the CCD platform moving mechanism, an air cylinder (39) is fixed outside the image acquisition box (5) through an air cylinder fixing plate (40), an air cylinder output shaft is arranged in a box body, and a groove for the air cylinder (39) to move is formed in the side portion of the image acquisition box (5); the telescopic rod (27) is groove-shaped, so that an industrial CCD data transmission line can be conveniently placed, and the data transmission line is connected into the upper computer system (6) of the detection software through a positive hole at the rear end of the image acquisition box (5).
10. The precise seamless steel tube scale detection system based on machine vision and weak magnetic sensing is characterized in that the three-phase asynchronous motor (8) drives the ball screw (14) to rotate, the ball screw pair (15) converts the rotation into the linear motion of the first clamping mechanism, and the cylinder (39) clamps the telescopic rod (27) and then drives the camera at the front end of the telescopic rod (27) to move so as to acquire a real-time in-tube image; and after data acquisition is finished, transmitting the detected data to a detection software upper computer system (6), displaying real-time data on a system software interface, recording and processing the data, and finishing detection judgment and result analysis of the surface cleaning quality of the attached oxide skin and the precision seamless steel pipe.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211497726.1A CN115876767A (en) | 2022-11-28 | 2022-11-28 | Precise seamless steel pipe attached oxide skin detection system based on machine vision and weak magnetic sensing |
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| CN202211497726.1A CN115876767A (en) | 2022-11-28 | 2022-11-28 | Precise seamless steel pipe attached oxide skin detection system based on machine vision and weak magnetic sensing |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117589590A (en) * | 2024-01-18 | 2024-02-23 | 江苏宣胜金属科技有限公司 | Pressure testing device for manufacturing seamless steel tube |
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- 2022-11-28 CN CN202211497726.1A patent/CN115876767A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117589590A (en) * | 2024-01-18 | 2024-02-23 | 江苏宣胜金属科技有限公司 | Pressure testing device for manufacturing seamless steel tube |
| CN117589590B (en) * | 2024-01-18 | 2024-03-22 | 江苏宣胜金属科技有限公司 | Pressure testing device for manufacturing seamless steel tube |
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