CN111781207B - Portable metal surface defect laser scanning detection device - Google Patents
Portable metal surface defect laser scanning detection device Download PDFInfo
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- CN111781207B CN111781207B CN202010715700.4A CN202010715700A CN111781207B CN 111781207 B CN111781207 B CN 111781207B CN 202010715700 A CN202010715700 A CN 202010715700A CN 111781207 B CN111781207 B CN 111781207B
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- 238000001514 detection method Methods 0.000 title claims abstract description 46
- 230000007547 defect Effects 0.000 title claims abstract description 23
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 22
- 239000002184 metal Substances 0.000 title claims abstract description 21
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 99
- 239000010959 steel Substances 0.000 claims abstract description 99
- 239000000428 dust Substances 0.000 claims abstract description 17
- 238000003825 pressing Methods 0.000 claims description 19
- 238000003860 storage Methods 0.000 claims description 18
- 238000009434 installation Methods 0.000 claims description 13
- 238000004140 cleaning Methods 0.000 claims description 7
- 230000000694 effects Effects 0.000 description 11
- 230000009471 action Effects 0.000 description 4
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 244000309464 bull Species 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 150000002739 metals Chemical class 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 229910000746 Structural steel Inorganic materials 0.000 description 2
- 241000826860 Trapezium Species 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000005097 cold rolling Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 238000005098 hot rolling Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
Classifications
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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
-
- 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
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
-
- 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
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
- G01N21/15—Preventing contamination of the components of the optical system or obstruction of the light path
-
- 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
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
- G01N2021/0106—General arrangement of respective parts
- G01N2021/0112—Apparatus in one mechanical, optical or electronic block
-
- 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
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
- G01N21/15—Preventing contamination of the components of the optical system or obstruction of the light path
- G01N2021/151—Gas blown
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- Chemical & Material Sciences (AREA)
- Pathology (AREA)
- Analytical Chemistry (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biochemistry (AREA)
- Immunology (AREA)
- General Physics & Mathematics (AREA)
- General Health & Medical Sciences (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
Abstract
The invention relates to the field of metal surface defect detection devices, in particular to a portable metal surface defect laser scanning detection device which comprises a fixed seat, a feeding structure, a clamping structure, a fixed structure, a moving structure, a mounting structure and an ash removing structure; through the setting of moving structure, can realize reciprocating type comprehensive detection work to the steel pipe surface, detect more convenient accuracy, and the travel speed is more even, thereby can reach the requirement that improves the detection precision, and cooperate mounting structure's setting, can be convenient for centre gripping and dismantlement scanning subassembly, easy to assemble and change, and when moving structure is working, can also drive the deashing structure in step and work, work through the deashing structure, can clear up the dust of steel pipe outside when detecting the steel pipe, thereby can avoid the dust on steel pipe surface to influence the testing result of steel pipe.
Description
Technical Field
The invention relates to the field of metal surface defect detection devices, in particular to a portable metal surface defect laser scanning detection device.
Background
A metal is a substance that has properties of gloss (i.e., strong reflection of visible light), ductility, easy electrical and thermal conductivity, etc. Most metallic elements on earth exist in nature in a combined state. This is because most metals are relatively reactive in their chemical nature, with very few metals such as gold, silver, etc. being present in the free state. Metals are widely available in nature, are extremely popular for use in life, and are a very important and most commonly used class of substances in the modern industry. Steel pipes are steel materials having a hollow cross section with a length that is much greater than the diameter or circumference. The steel pipes are divided into round, square, rectangular and special-shaped steel pipes according to the cross section shape; the materials are divided into carbon structural steel pipes, low alloy structural steel pipes, alloy steel pipes and composite steel pipes; the steel pipe is divided into steel pipes for conveying pipelines, engineering structures, thermal equipment, petrochemical industry, mechanical manufacturing, geological drilling, high-pressure equipment and the like according to the application; the production process is divided into a seamless steel pipe and a welded steel pipe, wherein the seamless steel pipe is divided into a hot rolling type and a cold rolling type (drawing type), and the welded steel pipe is divided into a straight seam welded steel pipe and a spiral seam welded steel pipe.
Generally, in order to understand the production quality of the steel pipe, the surface defect condition of the steel pipe can be randomly checked, when the steel pipe is placed for a long time, a large amount of dust can be accumulated on the surface of the steel pipe, if the dust is not treated, the surface detection effect of the steel pipe can be seriously affected if the dust is directly detected, the inaccurate detection effect is caused, and in general, the detection effect of the steel pipe can be affected by the unstable manual moving speed and poor uniformity due to the mode of manually holding the scanning head.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a portable metal surface defect laser scanning detection device.
The technical scheme adopted for solving the technical problems is as follows: the portable metal surface defect laser scanning detection device comprises a fixed seat, a feeding structure, a clamping structure, a fixing structure, a moving structure, a mounting structure and an ash removing structure, wherein the feeding structure for conveying a steel pipe to a detection area is arranged at the top end of the fixed seat and used for fixing and mounting, and the clamping structure for clamping and fixing the steel pipe is arranged at the top end of the fixed seat; one end of the clamping structure is provided with the fixing structure for fixing the steel pipe, and the top end of the fixing seat is provided with the moving structure for transversely moving the scanning device; one end of the moving structure is provided with the installation structure for clamping and fixing the scanning assembly, and the inside of the moving structure is provided with the ash cleaning structure for cleaning dust outside the steel pipe.
Specifically, the feeding structure comprises a first guide rail, a first sliding block, a connecting seat, a placing plate, a first fixing plate, a first motor, a second fixing plate, a first screw rod and a nut, wherein the two first guide rails are arranged at the top ends of the fixing seats in a parallel relation, the two first guide rails are connected with the first sliding block in a sliding mode, the connecting seat is fixed at one end of the first sliding block, the connecting seat is away from one end of the first sliding block, the placing plate is fixedly arranged at one end of the fixing seat, the first fixing plate is fixedly arranged at the top ends of the fixing seats, the second fixing plate is fixedly arranged at the top ends of the fixing seats, the first screw rod is rotationally connected between the first fixing plate and the second fixing plate, the first motor is fixedly connected with the first screw rod, the nut is fixedly connected with one end of the first fixing plate, and the nut is fixedly connected with the connecting seat through external threads of the first screw rod.
Specifically, the clamping structure comprises a second guide rail, a second sliding block, a base, a second motor, a second screw rod, a coupler, a sliding plate and rollers, wherein the two second guide rails are installed at the top end of the fixing seat in parallel relation, the second sliding block is connected to the second guide rail in a sliding mode, the base is installed at the top end of the second sliding block, the second screw rod is installed in the fixing seat, the center of the second screw rod is opposite to the screw thread directions at the two ends, the second screw rod is in rotary connection with the fixing seat, the second motor is installed at one end of the fixing seat, the second screw rod is connected with the second motor through the coupler, the sliding plate is connected to the outer thread of the second screw rod in a rotary mode at the bottom end of the sliding plate, and the rollers are fixedly connected with the base.
Specifically, fixed knot constructs including fixed cover, cylinder, connecting rod, supporting sleeve, conflict piece, first spring and clamp plate, fixed cover be fixed in the top of base the inside sliding connection of fixed cover has two be symmetrical relation the conflict piece, and two the cross-section of conflict piece all is trapezium structure, two the one end of conflict piece is perpendicular relation fixed the connecting rod, two the connecting rod deviates from the one end of conflict piece is all fixed the supporting sleeve, and two the supporting sleeve is arc structure the one end of fixed cover is installed the cylinder the inside sliding connection of fixed cover has the cross-section to be trapezium structure the clamp plate, just the clamp plate with the cylinder is connected, two the equal fixed connection between the conflict piece with the fixed cover first spring.
Specifically, the movable structure comprises a third guide rail, a third sliding block, a rack, a mounting seat, a third motor, a rotating shaft and a gear, wherein the third guide rail is mounted at one end of the fixed seat, the third sliding block is connected to the third guide rail in a sliding manner, the mounting seat is mounted at one end of the third sliding block, the rack is mounted at the top end of the fixed seat, the third motor is mounted at the top end of the mounting seat, the rotating shaft is connected to the inside of the mounting seat in a rotating manner, the rotating shaft is fixed with the third motor, the gear is fixed at the bottom end of the rotating shaft, and the gear is meshed with the rack.
Specifically, mounting structure includes first splint, scanning head, second splint, rubber pad, guide way, guide bar and second spring, first splint is fixed in the one end of mount pad the inside of first splint is equipped with two and is parallel relation the guide way, two the inside sliding connection of guide way has the guide bar, two the one end of guide bar is fixed the second splint first splint with the centre gripping between the second splint the scanning head the centre gripping between first splint with the centre gripping is installed the second spring first splint with the opposite one end of second splint all bonds and has the rubber pad that is the arc structure.
Specifically, ash removal structure includes tuber pipe, outlet duct, fixed pipe, gas storage tank, roof, piston, third spring, bull stick and check valve, two inside hollow the tuber pipe install respectively in first splint with the one end that the second splint is on the back, two the one end that the tuber pipe is on the back all fixes a plurality of and is linear relation and is the slope form structure the outlet duct the inside of mount pad is equipped with the gas storage tank the inside sliding connection of gas storage tank has the roof the glued one end of roof the piston with the centre gripping is fixed between the mount pad the third spring the outside of pivot is fixed the bull stick, just the bull stick with the mount pad rotates two fixed pipe is installed to the one end of gas storage tank, and two the other end of fixed pipe respectively with two the tuber pipe is connected the roof with install on the piston the check valve.
The invention has the beneficial effects that:
(1) According to the portable metal surface defect laser scanning detection device, through the arrangement of the feeding structure, the steel pipe can be automatically conveyed to the region to be detected, labor force can be saved, the placement accuracy of the steel pipe can be improved, the steel pipe can be better clamped and fixed, namely, when the surface defect of the metal steel pipe needs to be detected through scanning, the prepared steel pipe is placed on the placement plate, the steel pipe is better placed due to the arc-shaped groove arranged on the placement plate, the first motor works at the moment after the steel pipe is placed, the first motor is connected with the first screw rod, when the first motor works, the first screw rod can be driven to rotate, and the connecting seat which is connected with the fixing seat through the first guide rail and the first slider in a sliding mode is connected with the first screw rod through the nut.
(2) The portable metal surface defect laser scanning detection device can clamp steel pipes with different lengths through the arrangement of the clamping structure, and can fixedly mount the steel pipes in cooperation with the arrangement of the fixing structure, so that the condition that the steel pipes shake during detection can be prevented, and the steel pipes with different external diameters can be fixed through the arrangement of the fixing structure, so that the applicability of the device can be greatly increased, namely when a placing plate conveys the steel pipes to a region to be detected, the second motor works, because the base slides with the fixing seat through the second guide rail and the second sliding block, and because the sliding plate of the fixing base is in threaded connection with the second screw rod which is rotationally connected with the inside of the fixing seat, the second screw rod is connected with the second motor through the coupler, and therefore, when the second motor works, the sliding plate and the base can be driven to slide on the fixing seat, the center of the second screw rod is opposite to the screw thread direction at the two ends, so that the second screw rod can rotate, the two bases move oppositely or reversely, steel pipes with different lengths can be clamped, the applicability of the device can be improved, after the two bases drive the two supporting sleeves to be inserted into the steel pipes, the air cylinder works to drive the pressing plate to move, the two abutting blocks abutting against the pressing plate are both in sliding connection with the inside of the fixed sleeve, the sections of the pressing plate and the two abutting blocks are both in trapezoid structures, when the cylinder action is realized by utilizing the principle of wedge blocks, the two abutting blocks can be extruded to slide towards the two sides of the inside of the fixed sleeve, and the two supporting sleeves for supporting the steel pipes are all fixed with the abutting blocks through the connecting rod, so that the inner side wall of the steel pipe can be abutted and fixed, therefore, the condition that the steel pipe shakes during detection can be avoided, and the detection precision of the steel pipe can be greatly improved.
(3) The portable metal surface defect laser scanning detection device can realize the reciprocating comprehensive detection work on the surface of the steel pipe through the arrangement of the moving structure, is more convenient and accurate in detection, has more uniform moving speed, can meet the requirement of improving the detection precision, can facilitate clamping and disassembling the scanning assembly through the arrangement of the mounting structure, is convenient to mount and replace, can synchronously drive the ash removing structure to work while the moving structure works, can clean dust outside the steel pipe while detecting the steel pipe through the work of the ash removing structure, can avoid the dust on the surface of the steel pipe from influencing the detection result of the steel pipe, namely, when the fixed steel pipe needs to be detected, the scanning head needs to be clamped between two clamping plates, because the two guide grooves for the sliding of the guide rods are arranged in the first clamping plate, the second clamping plate is fixed with the two guide rods, the scanning head can be clamped more stably through the guide effect of the guide grooves and the guide rods, and the clamping and fixing of the scanning head can be ensured through the tension effect of the second springs, so that the scanning head can be conveniently installed and overhauled and replaced at the later stage, the scanning head is convenient and practical, when the scanning head is clamped and fixed, the third motor works, because the mounting seat for fixing the first clamping plate slides with the fixing seat through the third guide rail and the third sliding block, and is meshed with the external fixed gear of the rotating shaft fixed by the third motor, namely the third motor works, the mounting seat can be driven to reciprocate on the fixing seat, and the comprehensive detection of the surface defect of the steel pipe can be realized, when the rotating shaft rotates, the rotating rod can be continuously extruded and slidingly connected to the top plate inside the mounting seat, the piston is glued at one end of the top plate, the third spring is clamped and fixed between the piston and the mounting seat, the air inside the air storage groove can be continuously extruded by the piston through the elastic force of the third spring, and the air inside the air storage groove can be continuously extruded into the air pipe through the fixed pipe by the piston due to the fact that the check valve is arranged on the top plate and the piston, and finally dust on the surface of the steel pipe can be cleaned by blowing out from the air pipes, so that the dust on the steel pipe is prevented from affecting the detection precision of the steel pipe, and the detection effect is greatly improved.
Drawings
The invention will be further described with reference to the drawings and examples.
FIG. 1 is a schematic diagram of the overall structure of a portable laser scanning device for detecting defects on metal surfaces according to a preferred embodiment of the present invention;
FIG. 2 is a schematic view of a connection structure between the fixing base and the feeding structure shown in FIG. 1;
FIG. 3 is an enlarged schematic view of portion A shown in FIG. 1;
FIG. 4 is a schematic view of a connection structure of the fixing base and the clamping structure shown in FIG. 1;
FIG. 5 is an enlarged schematic view of portion B shown in FIG. 4;
FIG. 6 is a schematic view of a connection structure of the fixing base and the moving structure shown in FIG. 1;
FIG. 7 is a schematic view of the mounting structure shown in FIG. 1;
fig. 8 is a schematic diagram of a connection structure of the moving structure and the ash removing structure shown in fig. 1.
In the figure: 1. the device comprises a fixed seat, 2, a feeding structure, 21, a first guide rail, 22, a first sliding block, 23, a connecting seat, 24, a placing plate, 25, a first fixed plate, 26, a first motor, 27, a second guide rail, 28, a first screw rod, 29, a nut, 3, a clamping structure, 31, a second guide rail, 32, a second sliding block, 33, a base, 34, a second motor, 35, a second screw rod, 36, a coupling, 37, a sliding plate, 38, a roller, 4, a fixed structure, 41, a fixed sleeve, 42, an air cylinder, 43, a connecting rod, 44, a supporting sleeve, 45, a collision block, 46 and a first spring, 47, a pressing plate, 5, a moving structure, 51, a third guide rail, 52, a third sliding block, 53, a rack, 54, a mounting seat, 55, a third motor, 56, a rotating shaft, 57, a gear, 6, a mounting structure, 61, a first clamping plate, 62, a scanning head, 63, a second clamping plate, 64, a rubber pad, 65, a guide groove, 66, a guide rod, 67, a second spring, 7, a dust removing structure, 71, an air pipe, 72, an air outlet pipe, 73, a fixed pipe, 74, an air storage groove, 75, a top plate, 76, a piston, 77, a third spring, 78, a rotating rod, 79 and a one-way valve.
Detailed Description
The invention is further described in connection with the following detailed description in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.
As shown in fig. 1 to 8, the portable metal surface defect laser scanning detection device of the invention comprises a fixed seat 1, a feeding structure 2, a clamping structure 3, a fixing structure 4, a moving structure 5, a mounting structure 6 and an ash removing structure 7, wherein the feeding structure 2 for conveying a steel pipe to a detection area is arranged at the top end of the fixed seat 1 for fixing and mounting, and the clamping structure 3 for clamping and fixing the steel pipe is arranged at the top end of the fixed seat 1; the fixing structure 4 for fixing the steel pipe is arranged at one end of the clamping structure 3, and the moving structure 5 for transversely moving the scanning device is arranged at the top end of the fixing seat 1; one end of the moving structure 5 is provided with the installation structure 6 for clamping and fixing the scanning assembly, and the inside of the moving structure 5 is provided with the ash cleaning structure 7 for cleaning dust outside the steel pipe.
Specifically, the feeding structure 2 includes a first guide rail 21, a first slider 22, a connecting seat 23, a placing plate 24, a first fixing plate 25, a first motor 26, a second fixing plate 27, a first screw rod 28 and a nut 29, wherein the two first guide rails 21 are installed at the top end of the fixing seat 1 in parallel relation, the first slider 22 is slidingly connected to the two first guide rails 21, the connecting seat 23 is fixed at one end of the first slider 22, the placing plate 24 is fixedly installed at one end of the connecting seat 23, which is far away from the first slider 22, the first fixing plate 25 is fixed at one end of the fixing seat 1, the second fixing plate 27 is fixed at the top end of the fixing seat 1, the first screw rod 28 is rotationally connected between the first fixing plate 25 and the second fixing plate 27, the first motor 26 is fixed at one end of the first fixing plate 25, the first motor 26 is fixedly connected with the first screw rod 28, the nut 29 is connected with the first screw rod 28 through external threads, the nut 29 is fixed with the connecting seat 23, when the surface defect of a metal steel pipe needs to be scanned and detected, the prepared steel pipe is only required to be placed on the placing plate 24, the arc-shaped groove is arranged on the placing plate 24, so that the steel pipe is convenient to place, after the steel pipe is placed, the first motor 26 works, the first motor 26 is connected with the first screw rod 28, when the first motor 26 works, the first screw rod 28 can be driven to rotate, and the connecting seat 23 which is connected with the fixed seat 1 in a sliding way through the first guide rail 21 and the first sliding block 22 is connected with the first screw rod 28 through the nut 29, and because the nut 29 is in threaded connection with the first screw rod 28, when the first screw rod 28 rotates, the nut 29 can drive the connecting seat 23 to slide on the fixed seat 1, and because the connecting seat 23 and the placing plate 24 for placing the steel pipe are fixed, the steel pipe can be automatically conveyed to a detection area, the steel pipe can be automatically conveyed to the detection area without manual lifting, the placing precision of the steel pipe can be improved, and the defect detection on the steel pipe is facilitated.
Specifically, the clamping structure 3 includes a second guide rail 31, a second slider 32, a base 33, a second motor 34, a second screw rod 35, a coupling 36, a slide plate 37 and a roller 38, two second guide rails 31 are installed at the top end of the fixed seat 1 in parallel relation, the second slider 32 is connected to the second guide rail 31 in a sliding manner, the base 33 is installed at the top end of the second slider 32, the second screw rod 35 is installed in the fixed seat 1, the center of the second screw rod 35 is opposite to the screw direction of both ends, the second motor 34 is installed at one end of the fixed seat 1, the second screw rod 35 and the second motor 34 are connected through the coupling 36, the slide plate 37 is connected to the external screw thread of the second screw rod 35, the roller 38 is connected to the bottom end of the slide plate 37 in a sliding manner, the slide plate 37 is fixedly connected to the base 33, when the placing plate 24 is to be transported to a detection area, the second motor is installed in the opposite to the base 33, the second guide rail 35 is connected to the two ends through the second guide rail 35 in a sliding manner, the second motor 35 is connected to the two ends of the fixed seat 33 in a sliding manner, the two ends of the second guide rail 35 can be connected to the fixed seat 1 through the two opposite screw rod 35, the two ends of the second motor 34 are connected to the second motor 33 in a sliding manner, and the two ends of the fixed seat 1 can be connected to the two steel tube 35 through the slide plate 35 by the external screw rod 35, and the two slide plate 37 are connected to the two base 33 through the two screw rod 35, and the two base 33 are connected to the base 33 in a fixed by the two-shaped steel tube, and the base 33, steel pipes of different lengths can be clamped, and therefore the applicability of the device can be improved.
Specifically, the fixing structure 4 includes a fixing sleeve 41, an air cylinder 42, a connecting rod 43, a supporting sleeve 44, an abutting block 45, a first spring 46 and a pressing plate 47, the fixing sleeve 41 is fixed on the top end of the base 33, two abutting blocks 45 which are in symmetrical relation are slidably connected in the fixing sleeve 41, the sections of the abutting blocks 45 are of trapezoid structures, the connecting rod 43 is fixed at one ends of the two abutting blocks 45 in vertical relation, the supporting sleeve 44 is fixed at one ends of the two connecting rods 43, the two supporting sleeves 44 are of arc structures, the air cylinder 42 is installed at one end of the fixing sleeve 41, the inner sliding connection of the fixing sleeve 41 is provided with the pressing plate 47 which is of trapezoid structure, the pressing plate 47 is connected with the air cylinder 42, the first springs 46 are fixedly connected between the two abutting blocks 45 and the fixing sleeve 41, the base 33 drives the two supporting sleeves 44 to be inserted into the inner part, the two supporting sleeves 44 are fixedly connected with the air cylinder 45 through the pressing plate 47, and the two pressing plate 45 can be fixed at the two sliding sleeves 45 when the two supporting sleeves 45 are in the inner sliding connection of the steel tube, and the two pressing plates 45 can be prevented from moving due to the fact that the two supporting sleeves 45 are in the sliding connection of the inner side wall 45 are fixed by the pressing plate 45, thereby greatly improving the detection precision of the steel pipe.
Specifically, the moving structure 5 includes a third guide rail 51, a third slider 52, a rack 53, an installation seat 54, a third motor 55, a rotating shaft 56 and a gear 57, the third guide rail 51 is installed at one end of the fixing seat 1, the third slider 52 is slidingly connected to the third guide rail 51, the installation seat 54 is installed at one end of the third slider 52, the rack 53 is installed at the top end of the fixing seat 1, the third motor 55 is installed at the top end of the installation seat 54, the rotating shaft 56 is rotatably connected to the inside of the installation seat 54, the rotating shaft 56 is fixed with the third motor 55, the gear 57 is fixed at the bottom end of the rotating shaft 56, and the gear 57 is meshed with the rack 53, at this time, after the clamping and fixing of the scanning head 62 are completed, the third motor 55 works, since the installation seat 54 for fixing the first clamping plate 61 slides with the fixing seat 1 through the third guide rail 51 and the third slider 52, and the gear 57 is fixed with the gear 56, and the gear 57 is fixed with the third motor 55, and the gear 57 can be driven, and the full-face detection of the surface of the fixing seat 55 can be realized, and the full-face detection of the defect can be realized.
Specifically, mounting structure 6 includes first splint 61, scanning head 62, second splint 63, rubber pad 64, guide way 65, guide bar 66 and second spring 67, first splint 61 is fixed in the one end of mount pad 54 the inside of first splint 61 is equipped with two and is parallel relation guide way 65, two at the inside sliding connection of guide way 65 have guide bar 66, two the one end of guide bar 66 is fixed second splint 63 clamping first splint 61 with the centre gripping between the second splint 63 second spring 67 is installed centre gripping between first splint 61 with second splint 63 first splint 61 with the opposite one end of second splint 63 all bonds and is arc structure rubber pad 64, when the steel pipe that will be fixed detects needs, need earlier with scanning head 62 centre gripping is between two splint because the inside of first splint 61 is equipped with two confession guide bar 66 slides guide bar 66, and second splint 62 can be more convenient for the centre gripping effect of guide bar 66 can be carried out to the second splint 62 the second guide bar 62 can be fixed through the second splint 62 the guide bar 66 can the second and the effect of fixing the guide bar 66 can be more convenient.
Specifically, the ash removing structure 7 includes an air duct 71, an air outlet duct 72, a fixed duct 73, an air storage groove 74, a top plate 75, a piston 76, a third spring 77, a rotating rod 78 and a check valve 79, wherein the two air ducts 71 with hollow inside are respectively installed at opposite ends of the first clamping plate 61 and the second clamping plate 63, the air outlet ducts 72 with linear relations and inclined structures are respectively fixed at opposite ends of the two air ducts 71, the air storage groove 74 is arranged in the installation seat 54, the top plate 75 is slidably connected in the air storage groove 74, the piston 76 is clamped and fixed between the piston 76 and the installation seat 54 at one end of the top plate 75, the rotating rod 78 is fixed outside the rotating shaft 56, the rotating rod 78 rotates with the installation seat 54, the two fixed ducts 73 are respectively connected with the two air ducts 71 at one end of the air storage groove 74, the piston 76 and the piston 76 are respectively connected with the top plate 76 through the elastic force of the rotating rod 78, the piston 76 is clamped and fixed between the piston 76 and the installation seat 54 by the elastic force of the piston 76, the piston 76 is clamped and the piston 76, and the piston 76 is fixed at the other end of the piston 76 is clamped and the piston 76 by the rotating rod 78, and the piston 76 is clamped and the piston 76 by the elastic force of the piston seat 54, the piston 76 can continuously squeeze the gas in the gas storage groove 74 into the air pipe 71 through the fixing pipe 73, and finally the gas is blown out from the air outlet pipes 72, so that dust on the surface of the steel pipe can be cleaned, the dust on the steel pipe is prevented from affecting the detection precision of the steel pipe, and the detection effect is greatly improved.
When the steel tube positioning device is used, when the surface defect of a metal steel tube is required to be scanned and detected, the prepared steel tube is only required to be placed on the placement plate 24, the arc-shaped groove is formed in the placement plate 24, so that the steel tube can be placed better, the first motor 26 works at the moment, the first motor 26 is connected with the first screw rod 28, when the first motor 26 works, the first screw rod 28 can be driven to rotate, the connecting seat 23 which is connected with the fixed seat 1 in a sliding manner through the first guide rail 21 and the first sliding block 22 is connected with the first screw rod 28 through the nut 29, and the nut 29 is connected with the first screw rod 28 in a threaded manner, so that the nut 29 can drive the connecting seat 23 to slide on the fixed seat 1 when the first screw rod 28 rotates, and the connecting seat 23 and the placement plate 24 for placing the steel tube can be fixed, so that the steel tube can be automatically conveyed to a detection area, the steel tube can be lifted and placed better, and the defect detection precision is required to be further improved; when the placing plate 24 conveys the steel pipe to the area to be detected, the second motor 34 works at this time, because the base 33 slides with the fixing seat 1 through the second guide rail 31 and the second sliding block 32, and because the sliding plate 37 for fixing the base 33 is in threaded connection with the second lead screw 35 rotatably connected to the inside of the fixing seat 1, the second lead screw 35 is connected with the second motor 34 through the coupling 36, therefore, when the second motor 34 works, the sliding plate 37 and the base 33 can be driven to slide on the fixing seat 1, and because the center of the second lead screw 35 moves towards the opposite directions of the threads of the two ends, the second lead screw 35 can rotate, the two base 33 can clamp the steel pipe with different lengths, thereby increasing the applicability of the device, when the two base 33 drives the two supporting sleeves 44 to be inserted into the inside of the steel pipe, the air cylinder 42 works at this time, the operating pressure plate 47 can be driven by the air cylinder 42 to move, and the two pressure plates can be pushed by the two pressure plates 47 and the two supporting sleeves 45 can be fixed by the two pressure plates 45, and the two pressure plates 45 can be prevented from abutting against the inside the two supporting sleeves 45, and the two supporting sleeves 45 can be fixed by the two pressure plates 45, and the two pressure plates can be prevented from abutting the two pressure plates 45, and the two pressure plates can be fixed by the pressure plates are fixed 45 and the pressure plates are fixed by 45, thereby greatly improving the detection precision of the steel pipe; when the fixed steel pipe is required to be detected, the scanning head 62 needs to be clamped between two clamping plates, because the two guide grooves 65 for the guide rods 66 to slide are arranged in the first clamping plate 61, and the second clamping plate 63 is fixed with the two guide rods 66, the clamping of the scanning head 62 can be more stable under the guiding action of the guide grooves 65 and the guide rods 66, and the clamping and fixing of the scanning head 62 can be ensured under the pulling force action of the second springs 67, so that the installation and the later maintenance and replacement of the scanning head 62 can be conveniently performed, the third motor 55 works at this time after the clamping and fixing of the scanning head 62 are finished, and because the mounting seat 54 for fixing the first clamping plate 61 slides with the fixing seat 1 through the third guide rail 51 and the third sliding block 52, the gear 57 is fixed outside the rotating shaft 56 fixed with the third motor 55, the gear 57 is meshed with the rack 53, that is, the third motor 55 works to drive the mounting seat 54 to reciprocate on the fixing seat 1, so that the detection of the surface defect of the steel pipe can be realized comprehensively, the rotating rod 78 is fixed outside the rotating shaft 56, when the rotating shaft 56 rotates, the rotating rod 78 can be continuously extruded and slidingly connected with the top plate 75 inside the mounting seat 54, the piston 76 is glued at one end of the top plate 75, the third spring 77 is clamped and fixed between the piston 76 and the mounting seat 54, the gas inside the gas storage groove 74 can be continuously extruded by the piston 76 under the elastic action of the third spring 77, and because install on roof 75 with the piston 76 the check valve 79 just can realize the piston 76 is constantly with the inside gaseous extrusion of air storage groove 74 is through fixed pipe 73 the inside of tuber pipe 71, last follow a plurality of the outlet duct 72 blows out, just can clear up the dust on steel pipe surface, avoids the dust on the steel pipe to influence the detection precision of steel pipe to improve the detection effect greatly.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the foregoing examples, and that the foregoing description and description are merely illustrative of the principles of this invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (1)
1. A portable metal surface defect laser scanning detection device which is characterized in that: the steel pipe clamping device comprises a fixing seat (1), a feeding structure (2), a clamping structure (3), a fixing structure (4), a moving structure (5), a mounting structure (6) and an ash removing structure (7), wherein the top end of the fixing seat (1) which is used for fixing and mounting is provided with the feeding structure (2) which is used for conveying a steel pipe to a detection area, and the top end of the fixing seat (1) is provided with the clamping structure (3) which is used for clamping and fixing the steel pipe; one end of the clamping structure (3) is provided with the fixing structure (4) for fixing the steel pipe, and the top end of the fixing seat (1) is provided with the moving structure (5) for transversely moving the scanning device; one end of the moving structure (5) is provided with the installation structure (6) for clamping and fixing the scanning assembly, and the ash cleaning structure (7) for cleaning dust outside the steel pipe is arranged inside the moving structure (5);
the feeding structure (2) comprises a first guide rail (21), a first sliding block (22), a connecting seat (23), a placing plate (24), a first fixing plate (25), a first motor (26), a second fixing plate (27), a first screw rod (28) and a nut (29), wherein the two first guide rails (21) are arranged at the top ends of the fixing seat (1) in parallel, the first sliding block (22) is slidably connected to the two first guide rails (21), the connecting seat (23) is fixed at one end of the first sliding block (22), the placing plate (24) is fixedly arranged at one end of the connecting seat (23) deviating from the first sliding block (22), the first fixing plate (25) is fixed at one end of the fixing seat (1), the second fixing plate (27) is fixed at the top ends of the fixing seat (1), the first screw rod (28) is rotatably connected between the first fixing plate (25) and the second fixing plate (27), the first motor (25) is fixed at one end of the first fixing plate (26), and the first screw rod (28) is fixedly connected with the first screw rod (28), and the nut (29) is fixed with the connecting seat (23);
the clamping structure (3) comprises a second guide rail (31), a second sliding block (32), a base (33), a second motor (34), a second screw rod (35), a coupler (36), a sliding plate (37) and rollers (38), wherein the two second guide rails (31) are arranged at the top end of the fixed seat (1) in parallel, the second sliding block (32) is connected onto the second guide rail (31) in a sliding manner, the base (33) is arranged at the top end of the second sliding block (32), the second screw rod (35) is arranged in the fixed seat (1), the screw directions of the centers of the second screw rod (35) towards the two ends are opposite, the second screw rod (35) is in rotary connection with the fixed seat (1), the second motor (34) is arranged at one end of the fixed seat (1), the second screw rod (35) and the second motor (34) are connected through the coupler (36), the base (37) is connected onto the outer threads of the second screw rod (35), and the sliding plate (37) is fixedly connected onto the bottom end of the sliding plate (37);
the fixed structure (4) comprises a fixed sleeve (41), an air cylinder (42), a connecting rod (43), a supporting sleeve (44), a supporting block (45), a first spring (46) and a pressing plate (47), wherein the fixed sleeve (41) is fixed at the top end of the base (33), two pressing plates (47) with a trapezoid cross section in a symmetrical relation are connected in the fixed sleeve (41) in a sliding mode, the two pressing blocks (45) are of trapezoid structures, the connecting rod (43) is fixed at one end of each of the two pressing blocks (45) in a vertical relation, the supporting sleeve (44) is fixed at one end, deviating from the pressing blocks (45), of each of the two connecting rods (43) in an arc structure, the air cylinder (42) is installed at one end of the fixed sleeve (41), the pressing plate (47) is connected with the air cylinder (42) in a trapezoid cross section in a sliding mode, and the two pressing plates (47) are fixedly connected with the first spring (46) between the two pressing blocks (45) and the first spring (41).
The movable structure (5) comprises a third guide rail (51), a third sliding block (52), a rack (53), a mounting seat (54), a third motor (55), a rotating shaft (56) and a gear (57), wherein the third guide rail (51) is mounted at one end of the fixed seat (1), the third sliding block (52) is connected onto the third guide rail (51) in a sliding manner, the mounting seat (54) is mounted at one end of the third sliding block (52), the rack (53) is mounted at the top end of the fixed seat (1), the third motor (55) is mounted at the top end of the mounting seat (54), the rotating shaft (56) is rotatably connected to the inside of the mounting seat (54), the rotating shaft (56) is fixed with the third motor (55), the gear (57) is fixed at the bottom end of the rotating shaft (56), and the gear (57) is meshed with the rack (53).
The mounting structure (6) comprises a first clamping plate (61), a scanning head (62), a second clamping plate (63), a rubber pad (64), a guide groove (65), a guide rod (66) and a second spring (67), wherein the first clamping plate (61) is fixed at one end of the mounting seat (54), two guide grooves (65) which are in parallel relation are arranged in the first clamping plate (61), the guide rod (66) is connected in the two guide grooves (65) in a sliding manner, the second clamping plate (63) is fixed at one end of the two guide rods (66), the scanning head (62) is clamped between the first clamping plate (61) and the second clamping plate (63), the second spring (67) is clamped and mounted between the first clamping plate (61) and the second clamping plate (63), and the rubber pad (64) which is in an arc-shaped structure is glued at the opposite end of the first clamping plate (61) and the second clamping plate (63);
the ash cleaning structure (7) comprises an air pipe (71), an air outlet pipe (72), a fixed pipe (73), an air storage groove (74), a top plate (75), a piston (76), a third spring (77), a rotating rod (78) and a one-way valve (79), wherein the two air pipes (71) with hollow interiors are respectively arranged at one ends of the first clamping plate (61) and the second clamping plate (63) which are opposite, a plurality of air outlet pipes (72) which are in a linear relation and are in an inclined structure are respectively fixed at one ends of the two air pipes (71), the air storage groove (74) is arranged in the mounting seat (54), the top plate (75) is connected in a sliding way at the inner part of the air storage groove (74), the third spring (77) is fixedly clamped between the piston (76) and the mounting seat (54), the rotating rod (78) is fixedly arranged at the outer part of the rotating shaft (56), the rotating rod (78) rotates with the mounting seat (54), the two air pipes (73) are fixedly connected at one end of the air storage groove (74), the check valve (79) is mounted on the top plate (75) and the piston (76).
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| CN202010715700.4A CN111781207B (en) | 2020-07-23 | 2020-07-23 | Portable metal surface defect laser scanning detection device |
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