CN111912845A - Small-size cold rolling stainless steel strip surface defect detection device - Google Patents
Small-size cold rolling stainless steel strip surface defect detection device Download PDFInfo
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- CN111912845A CN111912845A CN202010578631.7A CN202010578631A CN111912845A CN 111912845 A CN111912845 A CN 111912845A CN 202010578631 A CN202010578631 A CN 202010578631A CN 111912845 A CN111912845 A CN 111912845A
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- 229910001220 stainless steel Inorganic materials 0.000 title claims abstract description 90
- 239000010935 stainless steel Substances 0.000 title claims abstract description 90
- 238000001514 detection method Methods 0.000 title claims abstract description 41
- 230000007547 defect Effects 0.000 title claims abstract description 27
- 238000005097 cold rolling Methods 0.000 title claims description 5
- 230000007246 mechanism Effects 0.000 claims abstract description 21
- 238000004891 communication Methods 0.000 claims abstract description 19
- 230000007723 transport mechanism Effects 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 239000002184 metal Substances 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 150000002739 metals Chemical class 0.000 description 4
- 238000004080 punching Methods 0.000 description 3
- 238000007790 scraping Methods 0.000 description 3
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/8851—Scan or image signal processing specially adapted therefor, e.g. for scan signal adjustment, for detecting different kinds of defects, for compensating for structures, markings, edges
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/8851—Scan or image signal processing specially adapted therefor, e.g. for scan signal adjustment, for detecting different kinds of defects, for compensating for structures, markings, edges
- G01N2021/8887—Scan or image signal processing specially adapted therefor, e.g. for scan signal adjustment, for detecting different kinds of defects, for compensating for structures, markings, edges based on image processing techniques
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- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
Abstract
The invention relates to the technical field of cold-rolled stainless steel strip production equipment, in particular to a small-sized cold-rolled stainless steel strip surface defect detection device. In order to solve the problems that the existing stainless steel strip detection device is large and is not suitable for stainless steel strip purchasers to use, the invention provides the detection device for detecting the surface defects of the cold-rolled stainless steel strip through the deformation detection of the cold-rolled stainless steel strip. In order to achieve the purpose, the invention adopts the technical means that the small-sized cold-rolled stainless steel strip surface defect detection device comprises an upper computer and a detection mechanism; the detection mechanism is in communication connection with the upper computer; the detection mechanism comprises a shell for protecting the internal structure, and a gap for the stainless steel belt to pass through is formed in the shell; go up infrared scanner, fixed mounting is in the shell, with shell fixed connection for scan stainless steel strip's upper surface, with host computer communication connection.
Description
Technical Field
The invention relates to the technical field of cold-rolled stainless steel strip production equipment, in particular to a small-sized cold-rolled stainless steel strip surface defect detection device.
Background
The stainless steel strip is simply an extension of the ultra-thin stainless steel sheet. The stainless steel strip is produced by cold rolling, the stainless steel strip has high size requirement in the actual production process, namely the stainless steel strip needs to be matched with various metals or mechanical products, so that the use of the stainless steel strip is convenient, the integrity of the stainless steel strip is especially ensured, namely the stainless steel strip cannot have defects, but the prior stainless steel strip has no device for detecting the surface defects of the stainless steel strip after production, the stainless steel strip is directly used for producing various metals or mechanical products after production, the production of the stainless steel strip for various metals or mechanical products is influenced greatly, namely when the surface of the stainless steel strip has defects, the stainless steel strip needs to be replaced for a long time, so that the production rate of various metals or mechanical products is reduced, meanwhile, some metal or mechanical products can be scrapped, so that the production cost of manufacturers is increased.
Most of the existing stainless steel strip detection devices are large-sized and are mostly applied to production lines of manufacturers, but no detection device is suitable for detecting surface defects of stainless steel strips for manufacturers utilizing stainless steel strips to process products.
Common surface defects of the cold-rolled stainless steel band comprise the problems of surface heavy skin impurities, iron oxide pressing, pits, bubbles, punching cracks, annular bulges, edge cracks, edge scraping and the like, wherein the pits, the bubbles, the punching cracks, the annular bulges, the edge cracks and the edge scraping can be observed through the deformation of the stainless steel band.
Disclosure of Invention
In order to solve the problems that the existing stainless steel strip detection device is large-sized and is not suitable for being used by stainless steel strip purchasers, the invention provides the detection device for detecting the surface defects of the cold-rolled stainless steel strip through the deformation detection of the cold-rolled stainless steel strip.
In order to achieve the purpose, the invention adopts the technical means that the small-sized cold-rolled stainless steel strip surface defect detection device comprises an upper computer and a detection mechanism; the detection mechanism is in communication connection with an upper computer; the detection mechanism includes: the shell is used for protecting the internal structure, and a gap for the stainless steel band to pass through is formed in the shell; the upper infrared scanner is fixedly arranged in the shell, is fixedly connected with the shell, is used for scanning the upper surface of the stainless steel band and is in communication connection with an upper computer; the lower infrared scanner is fixedly arranged in the shell, is fixedly connected with the shell, is used for scanning the upper surface of the stainless steel band and is in communication connection with the upper computer; and the conveying mechanism is arranged on the shell and used for conveying the stainless steel band.
Preferably, the housing structure comprises; the shell is used for protecting the internal structure and providing support, and the upper part, the lower part, the left part and the right part of the shell are both closed structures; the movable door is arranged on the front surface of the shell and is connected with the shell in a sliding way; the front baffle is arranged below the movable door and is fixedly connected with the shell; the rear upper baffle is arranged on the back surface of the shell and is fixedly connected with the shell; and the rear lower baffle is arranged below the rear upper baffle and is fixedly connected with the shell.
Preferably, the transportation mechanism comprises: the front roller is arranged between the movable door and the front baffle and is rotationally connected with the shell; the rear roller is arranged between the rear upper baffle and the rear lower baffle and is rotationally connected with the shell; the front support frame is arranged below the front roller and is fixedly connected with the shell; the rear support frame is arranged below the rear roller and fixedly connected with the shell; one end of a gap for the stainless steel belt to pass through is formed between the movable door and the front roller; the other end of the gap for the stainless steel belt to pass through is formed between the rear upper baffle and the rear roller.
Preferably, the movable door includes: the two sides of the door body are connected with the shell in a sliding manner; the door position adjusting structure is fixedly arranged on a top plate of the shell, is in communication connection with the upper computer and is used for adjusting the height of the door body; and the auxiliary detection plate is vertically arranged at the lower end of the back surface of the door body and is fixedly connected with the door body.
Preferably, a first connecting hole, a second connecting hole and a threaded hole are formed in the upper end surface of the door body downwards; the first connecting hole and the second connecting hole are positioned at two ends of the upper end face of the door body; the threaded hole is located in the middle of the upper end face of the door body, and threads are engraved in the threaded hole.
Preferably, the door position adjusting mechanism includes: the screw rod is vertically arranged on the door body, one end of the screw rod extends into the threaded hole and is meshed with the thread in the threaded hole, and the other end of the screw rod extends out of the top plate of the shell; the driving device is fixedly arranged on the top plate, fixedly connected with the free end of the screw rod and in communication connection with an upper computer; the first connecting rod is vertically arranged between the top plate and the door body, one end of the first connecting rod is inserted into the first connecting hole and is connected with the door body in a sliding mode, and the other end of the first connecting rod is fixedly connected with the top plate; the second connecting rod is vertically arranged between the top plate and the door body, one end of the second connecting rod is inserted into the second connecting hole and is connected with the door body in a sliding manner, and the other end of the second connecting rod is fixedly connected with the top plate; the first spring is sleeved on the first connecting rod, one end of the first spring is fixedly connected with the top plate, and the other end of the first spring is abutted against the top end face of the door body and is in sliding connection with the first connecting rod; and the second spring is sleeved on the second connecting rod, one end of the second spring is fixedly connected with the top plate, and the other end of the second spring is abutted against the top end surface of the door body and is in sliding connection with the second connecting rod. And the rotating device is fixedly arranged on the lower end surface of the door body and is fixedly connected with the door body.
Preferably, the middle part of the lower end face of the door body is provided with a groove; a movable device is arranged in the groove; the movable device is fixedly connected with the door body, and the bottom of the movable device and the upper surface of the auxiliary detection plate are located on the same plane.
Preferably, the movable device comprises a left connecting rod, a right connecting rod and a left connecting rod, wherein the left connecting rod is arranged on the left side of the lower end surface of the groove and is fixedly connected with the door body; the right connecting rod is arranged on the right side of the lower end surface of the groove and is fixedly connected with the door body; and one end of the roller is rotatably connected with the left connecting rod, and the other end of the roller is rotatably connected with the right connecting rod.
Preferably, the left connecting rod or the right connecting rod comprises: one end of the upper rod is fixedly connected with the door body; one end of the lower rod is rotatably connected with the roller; and the two ends of the third spring are fixedly connected with the free end of the upper rod and the free end of the lower rod respectively.
Preferably, one end of the front roller is installed on the encoder, so the encoder is in communication connection with the upper computer.
The invention has the beneficial effects that: this device is through last infrared scanner and scanning infrared scanner down, scans cold rolling stainless steel strip's two sides respectively, according to the time of receiving the reflection of light, perhaps receives the reflection of light and constitutes the two-dimensional map to dye in the two-dimensional map, different to the reflection of light time, the colour that adopts is different, to not receiving the reflection of light, then does not dye, thereby utilizes the image to carry out surface defect and distinguishes. The height of the movable door in the device can be adjusted, so that the width of the entrance end of the gap for passing through the stainless steel band is adjusted, and the thickness of the stainless steel band is met.
Drawings
FIG. 1 is a schematic view of the overall structure of a surface inspection apparatus for a cold-rolled stainless steel strip
FIG. 2 is a schematic view of the back structure of the detecting device
FIG. 3 is a schematic view of the structure of the back of the door body
FIG. 4 is a schematic view of the structure in use
The device comprises a front support frame, a rear support frame, a movable device, a left connecting rod, a 311, a lower rod, a 312, an upper rod, a 313, a third spring, a 32, a roller, a 33, a right connecting rod, a 4, a groove, a 5, a movable door, a 51, a first connecting rod, a 52, a first spring, a 53, a screw rod, a 54, a second connecting rod, a 55, a second spring, a 56, a second connecting hole, a 57, a threaded hole, a 58, a first connecting hole, a 59, a door body, a 6, a driving device, a 7, a front baffle, a 8, a front roller, a 9, a lower infrared scanner, a 10, a rear lower baffle, an 11, a rear roller, a 12, a rear upper baffle, a 13, an upper infrared scanner, a 14, an encoder, a 15, a side plate, a 16, a winding frame, a 17 and an.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, 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 derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 and 2, the device for detecting the surface defects of the small-sized cold-rolled stainless steel strip comprises an upper computer and a detection mechanism. Detection mechanism and host computer communication connection. The detection mechanism comprises a shell, an upper infrared scanner 13, a lower infrared scanner 9 and a transportation mechanism.
Go up infrared scanner 13 fixed mounting in the shell for scan stainless steel strip's upper surface, go up infrared scanner 13 and host computer communication connection. The lower infrared scanner 9 is fixedly arranged in the shell and used for scanning the upper surface of the stainless steel band, and the lower infrared scanner 9 is in communication connection with an upper computer. And the conveying mechanism is arranged on the shell and used for conveying the stainless steel band.
The shell is used for protecting the internal structure, and a gap for the stainless steel band to pass through is formed in the shell. The housing comprises a shell, a movable door 5, a front baffle 7, a rear upper baffle 12 and a rear lower baffle 10. The casing is used for protecting inner structure and provides the support, and the upper and lower left and right sides of casing is enclosed construction. The movable door 5 is arranged on the front surface of the shell and is connected with the shell in a sliding way. The front baffle 7 is arranged below the movable door 5 and is fixedly connected with the shell. The rear upper baffle 12 is mounted on the back of the housing and is fixedly connected with the housing. The rear lower baffle 10 is arranged below the rear upper baffle 12 and is fixedly connected with the shell.
The housing is composed of a frame, a top plate, two side plates 15 and a bottom plate. The top plate is fixed on the top surface of the frame. The bottom plate is fixed on the bottom surface of the frame. Two side plates 15 are fixed to both sides of the frame, respectively. Two sides of the two side plates 15 are provided with corresponding holes which are positioned on the same plane. The upper surface of the top plate is provided with a hole at the middle part close to the side edge.
Wherein, the upper infrared scanner 13 is fixedly arranged on the lower surface of the top plate, and the lower infrared scanner 9 is fixedly arranged on the upper surface of the bottom plate.
The transport mechanism comprises a front roller 8, a front support frame 1, a rear roller 11 and a rear support frame 2. The front roller 8 is installed between the movable door 5 and the front baffle 7 and is rotatably connected with the shell. The two ends of the front roller 8 are respectively inserted into corresponding holes of the side plates 15 of the shell and are rotatably connected with the side plates 15. The rear roller 11 is installed between the upper rear baffle 12 and the lower rear baffle 10 and is rotatably connected with the shell. The two ends of the front roller 8 are respectively inserted into corresponding holes of the side plates 15 of the shell and are connected with the side plates 15 in a grabbing and rotating mode. One end of a gap for the stainless steel strip to pass through is formed between the movable door 5 and the front roller 8; the other end of the gap for passing the stainless steel belt is formed between the rear upper baffle 12 and the rear roller 11.
An encoder 14 is fixedly installed at one end of the front roller 8, the encoder 14 is used for measuring the number of turns of the front roller 8, and the encoder 14 is in communication connection with an upper computer. The encoder 14 measures the number of rotations of the front roller 8, and the length of the stainless steel belt passing through the front roller 8 can be known and used as a length coordinate when drawing an image.
And the front support frame 1 is arranged below the front roller 8 and is fixedly connected with the shell. And the rear support frame 2 is arranged below the rear roller 11 and is fixedly connected with the shell. Front support frame 1 and back support frame 2 all comprise support body and roller, the one end and the shell fixed connection of support body, and the supporting legs is equipped with to the other end for support the stainless steel band, prevent to drag down because the stainless steel band is overweight and take place, lead to the whole deformation that takes place of detection area steel band, influence detects.
As shown in fig. 1 and 3, the movable door 5 includes a door body 59, an auxiliary detection plate 17, and a door position adjusting structure. The door 59 is slidably connected to the housing on both sides. And the door position adjusting structure is fixedly mounted on the top plate of the shell, is in communication connection with an upper computer and is used for adjusting the height of the door body 59. The auxiliary detection plate 17 is vertically attached to the lower end of the rear surface of the door body 59 and is fixedly connected to the door body 59.
The upper end surface of the door body 59 is provided with a first connecting hole 58, a second connecting hole 56 and a threaded hole 57 downwards. The first connecting hole 58 and the second connecting hole 56 are located at two ends of the upper end face of the door body 59, the threaded hole 57 is located in the middle of the upper end face of the door body 59, and threads are engraved in the threaded hole 57. The middle part of the lower end face of the door body 59 is provided with a groove 4, the groove 4 is internally provided with a movable device 3, and the movable device 3 is fixedly connected with the door body 59. The bottom of the movable unit 3 is located on the same plane as the upper surface of the auxiliary detection plate 17.
The movable device 3 includes a left connecting rod 31, a right connecting rod 33, and a drum 32. The left connecting rod 31 is installed at the left side of the lower end surface of the groove 4 and is fixedly connected with the door body 59. The right connecting rod 33 is installed at the right side of the lower end surface of the groove 4 and is fixedly connected with the door body 59. One end of the roller 32 is rotatably connected to the left connecting rod 31, and the other end of the roller 32 is rotatably connected to the right connecting rod 33. Wherein, the roller 32 is connected with the left connecting rod 31 and the right connecting rod 33 through bearings.
The left connecting rod 31 or the right connecting rod 33 each include an upper rod 312, a lower rod 311, and a third spring 313. One end of the upper rod 312 is fixedly connected with the door body 59. One end of the lower lever 311 is rotatably connected to the drum 32. And a third spring 313 mounted between the upper rod 312 and the lower rod 311, wherein both ends of the third spring 313 are fixedly connected with the free end of the upper rod 312 and the free end of the lower rod 311 respectively.
When detecting, need adjust door position control mechanism, make cylinder 32 and stainless steel strip upper surface contact, so auxiliary detection board 17's upper surface alright be as the planar reference surface in last of stainless steel strip, when the lower surface of stainless steel strip or upper surface have protruding the process, can make whole and mobile device 3 of stainless steel strip or just protruding top stainless steel strip come-up, the time of returning of infrared ray can change this moment, thereby can distinguish and take place bellied place be lower surface or upper surface, wherein auxiliary detection board 17 is equivalent to the background of final image.
The door position adjusting mechanism includes a screw 53, a driving device 6, a first connecting rod 51, a second connecting rod 54, a first spring 52, and a second spring 55. The screw 53 is vertically provided on the door body 59. One end of the screw 53 extends into the threaded hole 57 of the door body 59 and engages with threads in the threaded hole 57, and the other end passes through a hole in the top plate. The driving device 6 is fixedly arranged on the top plate, fixedly connected with the free end of the screw 53 and in communication connection with an upper computer. The first connecting rod 51 is vertically installed between the top plate and the door body 59, and one end of the first connecting rod is inserted into the first connecting hole 58 and is connected with the door body 59 in a sliding mode. The other end of the first connecting rod 51 is fixedly connected with the top plate. The second connecting rod 54 is vertically installed between the top plate and the door body 59, and one end of the second connecting rod is inserted into the second connecting hole 56 and is connected with the door body 59 in a sliding mode. The other end of the second connecting rod 54 is fixedly connected with the top plate. Wherein the drive means 6 may be selected as a motor.
The first spring 52 is sleeved on the first connecting rod 51, one end of the first spring is fixedly connected with the top plate, and the other end of the first spring is abutted against the top end face of the door body 59. The first spring 52 is slidably connected with the first connecting rod 51. The second spring 55 is sleeved on the second connecting rod 54, one end of the second spring is fixedly connected with the top plate, and the other end of the second spring is abutted against the top end face of the door body 59. The second spring 55 is slidably connected with the second connecting rod 54.
When the stainless steel door is used, the upper computer is operated to drive the driving device 6 to move, the screw 53 rotates to drive the door body 59 to ascend or descend, the distance between the lower end face of the door body 59 and the front roller 8 is adjusted, the distance accords with the thickness of a stainless steel belt, and the stainless steel can pass through but can be in contact with the front roller 8 and the roller 32. Of course, the maximum thickness of the existing stainless steel strip may be selected as the distance between the upper back baffle 12 and the lower back baffle 10.
As shown in fig. 4, during detection, two coil frames 16 are manually placed in front of and behind the detection device, respectively, then the stainless steel coil to be detected is placed on the coil frame 16 in front, then one end of the stainless steel coil is taken out to pass through the detection device, then the stainless steel coil is wound on the coil frame 16 behind the coil frame, and then the coil frame 16 starts to rotate through a motor, so that the stainless steel coil moves.
In the detection process, two sides of the cold-rolled stainless steel strip are respectively scanned by the upper infrared scanner 13 and the lower infrared scanner 9, a two-dimensional graph is formed according to the time of receiving the reflected light or whether the reflected light is received, the two-dimensional graph is dyed, the adopted colors are different according to different reflecting time, and the two-dimensional graph is not dyed when the reflected light is not received, so that the surface defect is distinguished by using the image.
A particular infrared scanner will emit infrared light which will return in a uniform time if the stainless steel band is not problematic. If the stainless steel band has the concave or convex, the light beam at the position perpendicular to the incident angle of the infrared light on the concave or convex will be longer or shorter than the normal return time, and the infrared light irradiated on the side of the convex or convex will be reflected to other places, so the infrared light cannot be detected, and finally a blank is generated on the image.
Therefore, pits, bubbles, punching fracture, annular bulge, edge fracture and edge scraping on the surface of the stainless steel band can be detected, and a worker can know the defect problem through observing an image.
Although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted without departing from the spirit and scope of the invention as defined in the appended claims. The techniques, shapes, and configurations not described in detail in the present invention are all known techniques.
Claims (10)
1. The utility model provides a small-size cold rolling stainless steel strip surface defect detection device, includes the host computer, its characterized in that still includes:
a detection mechanism; the detection mechanism is in communication connection with an upper computer;
the detection mechanism includes: the shell is used for protecting the internal structure, and a gap for the stainless steel band to pass through is formed in the shell;
the upper infrared scanner is fixedly arranged in the shell, is fixedly connected with the shell, is used for scanning the upper surface of the stainless steel band and is in communication connection with an upper computer;
the lower infrared scanner is fixedly arranged in the shell, is fixedly connected with the shell, is used for scanning the upper surface of the stainless steel band and is in communication connection with the upper computer;
and the conveying mechanism is arranged on the shell and used for conveying the stainless steel band.
2. The apparatus for detecting surface defects of a small cold rolled stainless steel strip according to claim 1, wherein the outer case means comprises; the shell is used for protecting the internal structure and providing support, and the upper part, the lower part, the left part and the right part of the shell are both closed structures;
the movable door is arranged on the front surface of the shell and is connected with the shell in a sliding way;
the front baffle is arranged below the movable door and is fixedly connected with the shell;
the rear upper baffle is arranged on the back surface of the shell and is fixedly connected with the shell;
and the rear lower baffle is arranged below the rear upper baffle and is fixedly connected with the shell.
3. The apparatus for detecting surface defects of a small cold-rolled stainless steel strip according to claim 2, wherein the transport mechanism comprises: the front roller is arranged between the movable door and the front baffle and is rotationally connected with the shell;
the rear roller is arranged between the rear upper baffle and the rear lower baffle and is rotationally connected with the shell;
the front support frame is arranged below the front roller and is fixedly connected with the shell;
the rear support frame is arranged below the rear roller and fixedly connected with the shell;
one end of a gap for the stainless steel belt to pass through is formed between the movable door and the front roller;
the other end of the gap for the stainless steel belt to pass through is formed between the rear upper baffle and the rear roller.
4. The apparatus for detecting surface defects of a small cold rolled stainless steel strip according to claim 2, wherein the movable door comprises: the two sides of the door body are connected with the shell in a sliding manner;
the door position adjusting structure is fixedly arranged on a top plate of the shell, is in communication connection with the upper computer and is used for adjusting the height of the door body;
and the auxiliary detection plate is vertically arranged at the lower end of the back surface of the door body and is fixedly connected with the door body.
5. The device for detecting the surface defects of the small cold-rolled stainless steel strip according to claim 4, wherein a first connecting hole, a second connecting hole and a threaded hole are formed in the upper end surface of the door body downwards; the first connecting hole and the second connecting hole are positioned at two ends of the upper end face of the door body; the threaded hole is located in the middle of the upper end face of the door body, and threads are engraved in the threaded hole.
6. The apparatus for detecting surface defects of a small cold rolled stainless steel strip according to claim 5, wherein the door position adjusting mechanism comprises:
the screw rod is vertically arranged on the door body, one end of the screw rod extends into the threaded hole and is meshed with the thread in the threaded hole, and the other end of the screw rod extends out of the top plate of the shell;
the driving device is fixedly arranged on the top plate, fixedly connected with the free end of the screw rod and in communication connection with an upper computer;
the first connecting rod is vertically arranged between the top plate and the door body, one end of the first connecting rod is inserted into the first connecting hole and is connected with the door body in a sliding mode, and the other end of the first connecting rod is fixedly connected with the top plate;
the second connecting rod is vertically arranged between the top plate and the door body, one end of the second connecting rod is inserted into the second connecting hole and is connected with the door body in a sliding manner, and the other end of the second connecting rod is fixedly connected with the top plate;
the first spring is sleeved on the first connecting rod, one end of the first spring is fixedly connected with the top plate, and the other end of the first spring is abutted against the top end face of the door body and is in sliding connection with the first connecting rod;
and the second spring is sleeved on the second connecting rod, one end of the second spring is fixedly connected with the top plate, and the other end of the second spring is abutted against the top end surface of the door body and is in sliding connection with the second connecting rod.
And the rotating device is fixedly arranged on the lower end surface of the door body and is fixedly connected with the door body.
7. The device for detecting the surface defects of the small cold-rolled stainless steel strip according to claim 5, wherein a groove is formed in the middle of the lower end face of the door body; a movable device is arranged in the groove; the movable device is fixedly connected with the door body; the bottom of the movable device and the upper surface of the auxiliary detection plate are positioned on the same plane.
8. The apparatus for detecting surface defects of a small cold rolled stainless steel strip according to claim 7, wherein the moving means comprises:
the left connecting rod is arranged on the left side of the lower end face of the groove and is fixedly connected with the door body;
the right connecting rod is arranged on the right side of the lower end surface of the groove and is fixedly connected with the door body;
and one end of the roller is rotatably connected with the left connecting rod, and the other end of the roller is rotatably connected with the right connecting rod.
9. The apparatus for detecting surface defects of a small cold-rolled stainless steel strip according to claim 4, wherein the left or right connecting rod comprises:
one end of the upper rod is fixedly connected with the door body;
one end of the lower rod is rotatably connected with the roller;
and the two ends of the third spring are fixedly connected with the free end of the upper rod and the free end of the lower rod respectively.
10. The apparatus for detecting surface defects of a small cold rolled stainless steel strip according to claim 3, wherein one end of the front roller is installed on the encoder, so that the encoder is communicatively connected to the upper computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010578631.7A CN111912845A (en) | 2020-06-23 | 2020-06-23 | Small-size cold rolling stainless steel strip surface defect detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010578631.7A CN111912845A (en) | 2020-06-23 | 2020-06-23 | Small-size cold rolling stainless steel strip surface defect detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111912845A true CN111912845A (en) | 2020-11-10 |
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ID=73226501
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010578631.7A Pending CN111912845A (en) | 2020-06-23 | 2020-06-23 | Small-size cold rolling stainless steel strip surface defect detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111912845A (en) |
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| CN112630229A (en) * | 2021-03-09 | 2021-04-09 | 西南石油大学 | Pipeline robot for oil and gas pipeline and pipeline defect detection and repair method |
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