CN116359347A - Roller flaw detection equipment and flaw detection method thereof - Google Patents
Roller flaw detection equipment and flaw detection method thereof Download PDFInfo
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- CN116359347A CN116359347A CN202310637544.8A CN202310637544A CN116359347A CN 116359347 A CN116359347 A CN 116359347A CN 202310637544 A CN202310637544 A CN 202310637544A CN 116359347 A CN116359347 A CN 116359347A
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- 238000001514 detection method Methods 0.000 title claims abstract description 59
- 230000007246 mechanism Effects 0.000 claims abstract description 60
- 238000004140 cleaning Methods 0.000 claims abstract description 14
- 238000010070 extrusion (rubber) Methods 0.000 claims description 11
- 230000006698 induction Effects 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 5
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 238000007689 inspection Methods 0.000 claims 3
- 230000009471 action Effects 0.000 description 5
- 230000007547 defect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 230000009172 bursting Effects 0.000 description 1
- 230000010405 clearance mechanism Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000005728 strengthening 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
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/04—Analysing solids
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/22—Details, e.g. general constructional or apparatus details
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/22—Details, e.g. general constructional or apparatus details
- G01N29/26—Arrangements for orientation or scanning by relative movement of the head and the sensor
- G01N29/265—Arrangements for orientation or scanning by relative movement of the head and the sensor by moving the sensor relative to a stationary material
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/02—Indexing codes associated with the analysed material
- G01N2291/023—Solids
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/02—Indexing codes associated with the analysed material
- G01N2291/028—Material parameters
- G01N2291/0289—Internal structure, e.g. defects, grain size, texture
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
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Abstract
The invention discloses a roller flaw detection device and a flaw detection method thereof, belonging to the technical field of flaw detection devices, and comprising a workbench, wherein a supporting vertical plate is arranged on the workbench, the top of the supporting vertical plate is connected with a fixing mechanism for fixing a roller, one end of the fixing mechanism is provided with a first gear, a detection mechanism for detecting the flaw of the roller is arranged on the supporting vertical plate, and a cleaning mechanism is arranged above the fixing mechanism on the supporting vertical plate; according to the invention, the roller is driven to intermittently rotate through the meshing of the rack and the first gear, and the ultrasonic detector on the detection mechanism can be driven to make a back-and-forth movement through the meshing of the second gear and the third gear while the roller is intermittently rotated, so that the surface of the roller is automatically detected, the detection efficiency can be effectively improved, and the surface of the roller can be automatically ash-removed through the cleaning mechanism arranged above the roller during intermittent rotation, so that manual ash removal is not needed.
Description
Technical Field
The invention belongs to the technical field of flaw detection equipment, and particularly relates to roller flaw detection equipment and a flaw detection method thereof.
Background
Rolls are the primary working components that produce continuous plastic deformation of metal. The roller mainly comprises a roller body, a roller neck and a shaft head 3. The roll body is the intermediate portion of the roll that actually participates in rolling metal and has a smooth cylindrical or grooved surface.
If some defects exist in the roller, the roller is easy to expand and crack under the initiation of residual stress in the roller, and serious cracking (bursting) brings great threat to the safety of personnel and equipment in the roller manufacturing process, so that the roller needs to be subjected to flaw detection operation during manufacturing.
In the prior art, the defects are detected by using ultrasonic waves generally, but the defects are detected by using ultrasonic waves, so that manual operation is required, and in order to reduce interference, the surfaces of the rollers are required to be wiped manually when the rollers are detected, and a large amount of manpower resources are required to be consumed; in addition, the roller is cylindrical, the roller is easy to roll, the roller is required to be firm in detection, but because the rollers of different types are different in thickness, the roller is required to be fixed by adopting a plurality of fixed dies of different sizes, and the dies of different types are required to be disassembled and replaced each time of use, so that the roller is more troublesome to use.
Disclosure of Invention
The invention aims to provide a roller flaw detection device and a flaw detection method thereof, which are used for solving the problems faced in the background technology.
The aim of the invention can be achieved by the following technical scheme:
the roller flaw detection device comprises a workbench, wherein a supporting vertical plate is fixedly arranged on the workbench, a fixing mechanism used for fixing a roller is connected to a top bearing of the supporting vertical plate, a first gear is arranged at one end of the fixing mechanism, a detection mechanism used for detecting flaws of the roller is arranged below the upper position of the supporting vertical plate and the fixing mechanism, a rotating shaft is arranged between the fixing mechanism and the detection mechanism, a first driving motor is arranged at one end of the rotating shaft, a rotating disc is arranged at the other end of the rotating shaft, a rack meshed with the first gear is arranged on the side wall of the rotating disc, a second gear is arranged at the other end of the detection mechanism, a third gear meshed with the second gear is further arranged at one end, close to the rotating disc, of the rotating shaft, and a cleaning mechanism is further arranged above the fixing mechanism on the supporting vertical plate;
the working table is also provided with a controller, the controller drives the first driving motor to rotate, the rack meshed with the first gear drives the roller on the fixing mechanism to rotate, and meanwhile, the first driving motor drives the detection mechanism to move through the meshing of the second gear and the third gear to detect the flaw on the surface of the roller.
Through the technical scheme, the roller shafts with different thicknesses can be fixed through the fixing mechanism, meanwhile, the roller is driven to do intermittent motion through the meshing of the rack and the first gear, the ultrasonic detector on the detection mechanism is driven to do back-and-forth motion through the meshing of the second gear and the third gear when the roller is in intermittent motion, so that the detection efficiency can be effectively improved, when the roller rolls, the cleaning mechanism arranged above can automatically clean the surface of the roller, the manual ash cleaning is not needed, the detection precision is ensured, and only one first driving motor is needed to drive the roller to do simultaneous motion, so that the electric power resource can be saved.
Further, the fixed establishment includes the revolving stage, the one end and the first gear connection of revolving stage, the other end of revolving stage is connected with four arcs through four strengthening ribs, four be equipped with the cavity between the arc, sliding connection has the slider in the cavity, be equipped with the rubber stripper plate on the end of slider.
Through the technical scheme, the sliding block can slide back and forth in the cavity, so that the distance between the four rubber extrusion plates is adjusted, and roller shafts with different thicknesses can be fixed conveniently.
Further, a mounting hole is formed in the center of the rotary table, a first electric control cylinder is mounted at the bottom of the mounting hole, a mounting table is arranged at the output end of the first electric control cylinder, four mounting grooves are formed in the top of the mounting table in an annular array mode, connecting rods are connected in the mounting grooves in a rotating mode, and the tail ends of the connecting rods are connected with the bottom of the sliding block in a rotating mode.
Through above-mentioned technical scheme, this scheme drives the mount table through the flexible of first automatically controlled cylinder and reciprocates, under the cooperation with the connecting rod, can drive four sliders and reciprocate in respective cavity simultaneously to can drive the removal of four rubber stripper plates simultaneously.
Further, detection mechanism includes the fixed slot, be equipped with a rotation post in the fixed slot, the other end of rotation post runs through fixed slot and second gear connection, be equipped with two screw thread opposite first screw threads, second screw threads on the rotation post, sliding connection has the slide in the fixed slot, a hydraulic cylinder is installed at the top of slide, hydraulic cylinder's output is connected with ultrasonic detector.
Through above-mentioned technical scheme, first screw thread and the second screw thread that are equipped with on the pivoted post can cooperate with the slide to the rotation of accessible pivoted post drives the ultrasonic detector round trip movement on the slide, thereby carries out ultrasonic flaw detection to the roll, and the hydraulic cylinder of setting then adjustable ultrasonic detector is apart from the position of roll, makes the testing result more accurate.
Further, the bottom of slide still is equipped with two draw-in grooves, one of them the draw-in groove is slided and is equipped with the first cardboard that two symmetries set up, first cardboard is offered on the opposite side each other with first screw-thread complex third screw thread, another one the draw-in groove is slided and is equipped with the second cardboard that two symmetries set up, second cardboard is offered on the opposite side each other with second screw-thread complex fourth screw thread, be located the top of third screw thread on the first cardboard and be equipped with first electro-magnet, be equipped with a plurality of extension springs on the opposite side of second cardboard on the second cardboard that is located the top of fourth screw thread, extension spring and draw-in groove inner wall connection.
Through the technical scheme, when the first electromagnet is attracted, the first thread is matched with the third thread, the second electromagnet is disconnected at the moment, the two second clamping plates are far away from the rotating column under the action of the telescopic spring, and the sliding plate is driven to move towards one end through the matching of the first thread and the third thread; when the second electromagnet is attracted, the second threads are matched with the fourth threads, the first electromagnet is disconnected, the two first clamping plates are far away from the rotating column under the action of the telescopic springs, and the sliding plate can be driven to return through the matching of the second threads and the fourth threads, so that the ultrasonic detector is driven to move back and forth.
Further, two slidable induction plates are further arranged on the fixing groove.
Through the technical scheme, the two induction plates provide signals for changing the moving direction or not, and the induction plates can move on the fixed groove, so that the returned position distance can be set according to the requirements.
Further, the cleaning mechanism comprises an electric telescopic column connected with the supporting vertical plate, the top of the electric telescopic column is connected with a placement plate, a second electric control cylinder is arranged at the center of the placement plate, the output end of the second electric control cylinder is connected with a placement block, and a plurality of bristles are arranged at the bottom of the placement block.
Through above-mentioned technical scheme, the rotation of roll can contact the friction with the brush hair to carry out the deashing work to the roll surface, and the electric telescopic post and the second automatically controlled cylinder of setting can adjust the distance on brush hair and roll surface according to the thickness of roll, make the brush hair laminate on the roll surface always, be convenient for the ash handling operation.
A method of inspecting a roll, the method comprising:
driving a first electric control cylinder to stretch according to the thickness of a roller shaft, and driving four sliding blocks to slide in a cavity under the cooperation of a connecting rod, so that the positions of four rubber extrusion plates are adjusted, and the roller is fixed;
driving the electric telescopic column, the second electric control cylinder and the hydraulic cylinder to stretch according to the thickness and the length of the roller, adjusting the positions of the brush hair and the ultrasonic detector, and manually adjusting the positions of the two induction plates;
step three, a first driving motor drives a third gear to rotate so as to drive a rotating column to rotate, at the moment, a first electromagnet is electrified and attracted, a second electromagnet is powered off and disconnected, so that a third thread is matched with the first thread to drive an ultrasonic detector to axially move along a roller for detection, and meanwhile, the first driving motor drives a rack on a turntable to rotate, and when the rack rotates to be meshed with the first gear, the whole roller gap is driven to rotate;
and fourthly, after the sliding plate touches the induction plate, a signal is sent to the controller, at the moment, the first electromagnet is powered off and disconnected, the second electromagnet is powered on and attracted, so that the fourth thread is matched with the second thread, the ultrasonic detector is driven to move back, and flaw detection is carried out on the roller.
The invention has the beneficial effects that:
according to the invention, the mounting table is driven to move up and down through the expansion and contraction of the first electric control cylinder, and the four sliding blocks are driven to move back and forth in the respective cavities simultaneously under the cooperation of the first electric control cylinder and the connecting rod, so that the four rubber extrusion plates can be driven to move simultaneously, roller shafts with different thicknesses are fixed through the movement of the four rubber extrusion plates, and the use is convenient.
According to the invention, the roller is driven to intermittently rotate through the meshing of the rack and the first gear, and the ultrasonic detector on the detection mechanism can be driven to make a back-and-forth movement through the meshing of the second gear and the third gear while the roller is intermittently rotated, so that the surface of the roller is automatically detected, the detection efficiency can be effectively improved, and when the roller intermittently rotates, the surface of the roller can be automatically cleaned through the cleaning mechanism arranged above the roller, so that manual dust cleaning is not needed, the detection precision is ensured, and the manpower resource is saved.
When the first electromagnet is attracted, the second electromagnet is disconnected, and the sliding plate is driven to move towards one end through the cooperation of the first thread and the third thread; when the second electromagnet is attracted, the first electromagnet is disconnected, and the sliding plate can be driven to return through the cooperation of the second thread and the fourth thread, so that the ultrasonic detector is driven to move back and forth, and equipment can detect the roller while the roller rotates intermittently.
Of course, it is not necessary for any one product to practice the invention to achieve all of the advantages set forth above at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a structure of the present invention;
FIG. 2 is a schematic view of another embodiment of the present invention;
FIG. 3 is a schematic structural view of the fixing mechanism of the present invention;
FIG. 4 is a cross-sectional view of the securing mechanism of the present invention;
FIG. 5 is a schematic diagram of the detection mechanism of the present invention;
FIG. 6 is a schematic view of a portion of a skateboard of the present invention;
FIG. 7 is a schematic view of a cleaning mechanism according to the present invention.
The drawings illustrate:
1. a work table; 2. a supporting vertical plate; 3. a fixing mechanism; 4. a detection mechanism; 5. a rotating shaft; 6. a first driving motor; 7. a first gear; 8. a turntable; 9. a rack; 10. a second gear; 11. a third gear; 12. a controller; 13. a cleaning mechanism; 301. a turntable; 302. reinforcing ribs; 303. an arc-shaped plate; 304. a cavity; 305. a slide block; 306. a rubber extrusion plate; 307. a mounting hole; 308. a first electronically controlled cylinder; 309. a mounting table; 310. a mounting groove; 311. a connecting rod; 401. a fixing groove; 402. rotating the column; 403. a first thread; 404. a second thread; 405. a slide plate; 406. an ultrasonic detector; 407. a clamping groove; 408. a first clamping plate; 409. a third thread; 410. a second clamping plate; 411. a fourth thread; 412. a first electromagnet; 413. a second electromagnet; 414. a telescopic spring; 415. an induction plate; 416. a hydraulic cylinder; 1301. an electric telescopic column; 1302. placing a plate; 1303. the second electric control cylinder; 1304. placing a block; 1305. and (3) brushing.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The roller flaw detection equipment comprises a workbench 1, a supporting vertical plate 2 is fixedly arranged on the workbench 1, a fixing mechanism 3 used for fixing a roller is connected to a top bearing of the supporting vertical plate 2, a first gear 7 is arranged at one end of the fixing mechanism 3, a detection mechanism 4 used for detecting the flaw of the roller is arranged above the supporting vertical plate 2 and below the fixing mechanism 3, a rotating shaft 5 is arranged between the fixing mechanism 3 and the detection mechanism 4, a first driving motor 6 is arranged at one end of the rotating shaft 5, a rotary table 8 is arranged at the other end of the rotating shaft 5, a rack 9 meshed with the first gear 7 is arranged on the side wall of the rotary table 8, a second gear 10 is arranged at the other end of the detection mechanism 4, a third gear 11 meshed with the second gear 10 is also arranged at one end, close to the rotary table 8, of the rotating shaft 5, and a cleaning mechanism 13 is also arranged above the fixing mechanism 3; the workbench 1 is also provided with a controller 12, the controller 12 drives the first driving motor 6 to rotate, the rack 9 meshed with the first gear 7 drives the roller on the fixing mechanism 3 to rotate, and meanwhile, the first driving motor 6 drives the detection mechanism 4 to move through the meshing of the second gear 10 and the third gear 11 so as to carry out flaw detection on the surface of the roller. The controller 12 can be used for controlling all electrical parts on equipment to be convenient for manual operation, first driving motor 6 drives pivot 5 to rotate, thereby drive carousel 8 and rotate, when rack 9 and first gear 7 are engaged, can drive fixed establishment 3 and rotate, thereby drive the roll on the fixed establishment 3 and rotate, meanwhile, when pivot 5 rotates, through the meshing of second gear 10 and third gear 11, can drive the rotation post 402 on the detection mechanism 4 and rotate, thereby can drive detection mechanism 4 round trip movement, carry out ultrasonic detection to the roll, and the roll is when rotating, can laminate with the clearance mechanism 13 that sets up above, carry out the deashing to the surface and handle, reduce the interference, make follow-up detection more accurate, and the drive of both only need first driving motor 6 can control, thereby can save electric power resources.
As shown in fig. 3 and 4, the fixing mechanism 3 includes a turntable 301, one end of the turntable 301 is connected with a first gear 7, the other end of the turntable 301 is connected with four arc plates 303 through four reinforcing ribs 302, a cavity 304 is provided between the four arc plates 303, a sliding block 305 is slidably connected in the cavity 304, a rubber extrusion plate 306 is provided at the end of the sliding block 305, an anti-slip tooth is provided on the rubber extrusion plate 306, a mounting hole 307 is provided at the center of the turntable 301, a first electric control cylinder 308 is mounted at the bottom of the mounting hole 307, a mounting table 309 is provided at the output end of the first electric control cylinder 308, four mounting grooves 310 are annularly arranged at the top of the mounting table 309, a connecting rod 311 is rotatably connected in the mounting groove 310, and the end of the connecting rod 311 is rotatably connected with the bottom of the sliding block 305. The first electric control cylinder 308 stretches out and draws back, can drive the mount table 309 and make a round trip movement in the mounting hole 307, under the cooperation with the connecting rod 311, can drive four sliders 305 and make a round trip movement in respective cavity 304 to adjust the distance between four rubber stripper plates 306, extrude the roll axle of different thickness fixedly, should set up anti-skidding tooth on the rubber stripper plate 306, guarantee the fastness of extrusion, and rubber stripper plate 306 can take place slight deformation, thereby be convenient for laminate with the roll.
As shown in fig. 5 and 6, the detection mechanism 4 includes a fixed slot 401, a rotating column 402 is disposed in the fixed slot 401, the other end of the rotating column 402 penetrates through the fixed slot 401 to be connected with the second gear 10, two first threads 403 and second threads 404 with opposite thread directions are disposed on the rotating column 402, a sliding plate 405 is slidably connected in the fixed slot 401, a hydraulic cylinder 416 is mounted on the top of the sliding plate 405, and an output end of the hydraulic cylinder 416 is connected with an ultrasonic detector 406; the bottom of the sliding plate 405 is also provided with two clamping grooves 407, wherein two symmetrically arranged first clamping plates 408 are arranged in one clamping groove 407 in a sliding way, a third thread 409 matched with the first thread 403 is arranged on one side of the first clamping plates 408 opposite to each other, two symmetrically arranged second clamping plates 410 are arranged in the other clamping groove 407 in a sliding way, and a fourth thread 411 matched with the second thread 404 is arranged on one side of the second clamping plates 410 opposite to each other; a first electromagnet 412 is arranged above the third thread 409 on the first clamping plate 408, a second electromagnet 413 is arranged above the fourth thread 411 on the second clamping plate 410, a plurality of telescopic springs 414 are arranged on the other sides of the first clamping plate 408 and the second clamping plate 410, and the telescopic springs 414 are connected with the inner wall of the clamping groove 407; the fixed slot 401 is also provided with two slidable sensing plates 415. When the rotating column 402 rotates, when the first electromagnet 412 is attracted, the second electromagnet 413 is disconnected, the first threads 403 are matched with the third threads 409 on the first clamping plate 408, the two second clamping plates 410 are far away from the rotating column 402 under the action of the telescopic springs 414, the sliding plate 405 is driven to move through the matching of the first threads 403 and the third threads 409, after the sliding plate 405 contacts the sensing plate 415, the first electromagnet 412 is disconnected, the second electromagnet 413 is attracted, the two first clamping plates 408 are far away from the rotating column 402 under the action of the telescopic springs 414, the two second clamping plates 410 are attracted to each other under the action of the telescopic springs 414, the second threads 404 are matched with the fourth threads 411, so that the sliding plate 405 is driven to return, the ultrasonic detector 406 can be driven to move back and forth under the mutual matching of the two clamping plates, the roller surface is detected, the height of the ultrasonic detector 406 can be controlled and adjusted through the hydraulic cylinder 416, the position between the ultrasonic detector 406 and the roller is kept within a certain distance, and the detection result is more accurate.
As shown in fig. 7, the cleaning mechanism 13 includes an electric telescopic column 1301 connected to the supporting vertical plate 2, a placement plate 1302 is connected to the top of the electric telescopic column 1301, a second electric control cylinder 1303 is disposed at the center of the placement plate 1302, an output end of the second electric control cylinder 1303 is connected to a placement block 1304, and a plurality of bristles 1305 are disposed at the bottom of the placement block 1304. The rotation of roller can contact friction with brush hair 1305 to carry out the deashing work to the roller surface, and the electric telescopic column 1301 and the second automatically controlled cylinder 1303 that set up can adjust the distance of brush hair 1305 and roller surface according to the thickness of roller, make brush hair 1305 laminate on the roller surface always, be convenient for the deashing operation.
When the device is used, the first electric control cylinder 308 is driven to stretch and retract according to the thickness of a roller shaft, the mounting table 309 is driven to move back and forth in the mounting hole 307, and the four sliding blocks 305 can be driven to move back and forth in the respective cavities 304 under the cooperation of the connecting rods 311, so that the distance between the four rubber extrusion plates 306 is adjusted, and the roller is extruded and fixed; then, according to the thickness and length of the roller, the electric telescopic column 1301 and the second electric control cylinder 1303 are driven to stretch, so that the brush hair 1305 is attached to the surface of the roller, the hydraulic cylinder 416 is driven to stretch, and the distance between the ultrasonic detector 406 and the roller and the positions of the two sensing plates 415 are adjusted; the first driving motor 6 starts to drive the third gear 11 to rotate, and drives the rotating column 402 to rotate under the engagement with the second gear 10, at the moment, the first electromagnet 412 is attracted, the second electromagnet 413 is disconnected, the ultrasonic detector 406 is driven to move to one side through the cooperation of the first thread 403 and the third thread 409, meanwhile, the first driving motor 6 drives the rack 9 on the turntable 8 to rotate, and when the rack 9 rotates to engage with the first gear 7, the whole roller is driven to rotate; when the sliding plate 405 contacts the sensing plate 415, a signal is sent to the controller 12, the controller 12 controls the first electromagnet 412 to be disconnected, the second electromagnet 413 is attracted, so that the second thread 404 and the fourth thread 411 are matched, the ultrasonic detector 406 is driven to return, and the surface of the roller is detected.
In summary, the method for detecting the defects of the roller mainly comprises the following steps:
step one, driving a first electric control cylinder 308 to stretch according to the thickness of a roll shaft, and driving four sliding blocks 305 to slide in a cavity 304 under the cooperation of a connecting rod 311, so as to adjust the positions of four rubber extrusion plates 306 and fix a roll;
step two, driving the electric telescopic column 1301, the second electric control cylinder 1303 and the hydraulic cylinder 416 to stretch and retract according to the thickness and the length of the roller, adjusting the positions of the bristles 1305 and the ultrasonic detector 406, and manually adjusting the positions of the two sensing plates 415;
step three, the first driving motor 6 drives the third gear 11 to rotate, so as to drive the rotating column 402 to rotate, at the moment, the first electromagnet 412 is electrified and attracted, the second electromagnet 413 is powered off and disconnected, so that the third thread 409 is matched with the first thread 403 to drive the ultrasonic detector 406 to axially move along the roller for detection, and meanwhile, the first driving motor 6 drives the rack 9 on the turntable 8 to rotate, and when the rack 9 rotates to be meshed with the first gear 7, the whole roller gap is driven to rotate;
and step four, after the sliding plate 405 touches the sensing plate 415, a signal is sent to the controller 12, at the moment, the first electromagnet 412 is powered off, the second electromagnet 413 is powered on and attracted, so that the fourth thread 411 is matched with the second thread 404, the ultrasonic detector 406 is driven to move back, and flaw detection is performed on the roller.
The foregoing is merely illustrative and explanatory of the principles of the invention, as various modifications and additions may be made to the specific embodiments described, or similar thereto, by those skilled in the art, without departing from the principles of the invention or beyond the scope of the appended claims.
Claims (9)
1. The roller flaw detection equipment comprises a workbench (1), and is characterized in that a supporting vertical plate (2) is fixedly arranged on the workbench (1), a fixing mechanism (3) for fixing a roller is connected to a top bearing of the supporting vertical plate (2), a first gear (7) is arranged at one end of the fixing mechanism (3), a detection mechanism (4) for detecting flaws of the roller is arranged below the upper position of the supporting vertical plate (2) and the fixing mechanism (3), a rotating shaft (5) is arranged between the fixing mechanism (3) and the detection mechanism (4), a first driving motor (6) is arranged at one end of the rotating shaft (5), a rotary table (8) is arranged at the other end of the rotating shaft (5), a rack (9) meshed with the first gear (7) is arranged on the side wall of the rotary table (8), a second gear (10) is arranged at the other end of the rotating shaft (5) close to the rotary table (8), a third gear (11) meshed with the second gear (10) is further arranged at one end of the rotating shaft (5), and a cleaning mechanism (13) is further arranged on the supporting vertical plate (2);
the workbench (1) is also provided with a controller (12), the controller (12) drives the first driving motor (6) to rotate, the rack (9) meshed with the first gear (7) drives the roller on the fixing mechanism (3) to rotate, and meanwhile, the first driving motor (6) drives the detecting mechanism (4) to move through the meshing of the second gear (10) and the third gear (11) so as to detect the flaw on the surface of the roller.
2. The roller flaw detection device according to claim 1, wherein the fixing mechanism (3) comprises a turntable (301), one end of the turntable (301) is connected with the first gear (7), the other end of the turntable (301) is connected with four arc plates (303) through four reinforcing ribs (302), a cavity (304) is arranged between the four arc plates (303), a sliding block (305) is connected in the cavity (304), and a rubber extrusion plate (306) is arranged at the tail end of the sliding block (305).
3. The roller flaw detection device according to claim 2, characterized in that a mounting hole (307) is formed in the center of the turntable (301), a first electric control cylinder (308) is mounted at the bottom of the mounting hole (307), a mounting table (309) is arranged at the output end of the first electric control cylinder (308), four mounting grooves (310) are formed in the top of the mounting table (309) in an annular array, a connecting rod (311) is rotatably connected to the mounting grooves (310), and the tail end of the connecting rod (311) is rotatably connected with the bottom of the sliding block (305).
4. The roller flaw detection device according to claim 1, wherein the detection mechanism (4) comprises a fixed groove (401), a rotating column (402) is arranged in the fixed groove (401), the other end of the rotating column (402) penetrates through the fixed groove (401) to be connected with the second gear (10), two first threads (403) and second threads (404) with opposite thread directions are arranged on the rotating column (402), a sliding plate (405) is connected in the fixed groove (401) in a sliding mode, a hydraulic cylinder (416) is arranged at the top of the sliding plate (405), and an ultrasonic detector (406) is connected to the output end of the hydraulic cylinder (416).
5. The roller flaw detection device according to claim 4, wherein two clamping grooves (407) are further formed in the bottom of the sliding plate (405), two first clamping plates (408) which are symmetrically arranged are slidably arranged in one clamping groove (407), third threads (409) which are matched with the first threads (403) are formed on one side, which is opposite to each other, of the first clamping plates (408), two second clamping plates (410) which are symmetrically arranged are slidably arranged in the other clamping groove (407), and fourth threads (411) which are matched with the second threads (404) are formed on one side, which is opposite to each other, of the second clamping plates (410).
6. The roller inspection device according to claim 5, wherein a first electromagnet (412) is arranged above the third thread (409) on the first clamping plate (408), a second electromagnet (413) is arranged above the fourth thread (411) on the second clamping plate (410), and a plurality of expansion springs (414) are arranged on the other sides of the first clamping plate (408) and the second clamping plate (410), and the expansion springs (414) are connected with the inner wall of the clamping groove (407).
7. The roller inspection apparatus according to claim 6, wherein the fixed slot (401) is further provided with two slidable sensing plates (415).
8. The roller flaw detection device according to claim 1, wherein the cleaning mechanism (13) comprises an electric telescopic column (1301) connected with the supporting vertical plate (2), a placement plate (1302) is connected to the top of the electric telescopic column (1301), a second electric control cylinder (1303) is arranged at the center of the placement plate (1302), a placement block (1304) is connected to the output end of the second electric control cylinder (1303), and a plurality of bristles (1305) are arranged at the bottom of the placement block (1304).
9. A method of inspecting a roll, comprising the roll inspection apparatus of any one of claims 1 to 8, characterized in that the method comprises:
step one, driving a first electric control cylinder (308) to stretch according to the thickness of a roller shaft, and driving four sliding blocks (305) to slide in a cavity (304) under the cooperation of a connecting rod (311), so as to adjust the positions of four rubber extrusion plates (306) and fix a roller;
driving an electric telescopic column (1301), a second electric control cylinder (1303) and a hydraulic cylinder (416) to stretch according to the thickness and the length of a roller, adjusting the positions of bristles (1305) and an ultrasonic detector (406), and manually adjusting the positions of two induction plates (415);
step three, a first driving motor (6) drives a third gear (11) to rotate, so that a rotating column (402) is driven to rotate, at the moment, a first electromagnet (412) is electrified and attracted, a second electromagnet (413) is powered off and disconnected, a third thread (409) is matched with the first thread (403), an ultrasonic detector (406) is driven to axially move along a roller to perform detection, meanwhile, the first driving motor (6) drives a rack (9) on a turntable (8) to rotate, and when the rack (9) rotates to be meshed with a first gear (7), the whole roller gap is driven to rotate;
and fourthly, after the sliding plate (405) touches the induction plate (415), a signal is sent to the controller (12), at the moment, the first electromagnet (412) is powered off, the second electromagnet (413) is powered on and attracted, the fourth thread (411) is matched with the second thread (404), the ultrasonic detector (406) is driven to move back, and flaw detection is carried out on the roller.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310637544.8A CN116359347B (en) | 2023-06-01 | 2023-06-01 | Roller flaw detection equipment and flaw detection method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310637544.8A CN116359347B (en) | 2023-06-01 | 2023-06-01 | Roller flaw detection equipment and flaw detection method thereof |
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| CN116359347B CN116359347B (en) | 2023-08-15 |
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| CN116359347B (en) | 2023-08-15 |
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