CN111015410B - Welding face detection device based on machine vision - Google Patents
Welding face detection device based on machine vision Download PDFInfo
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- CN111015410B CN111015410B CN201811176165.9A CN201811176165A CN111015410B CN 111015410 B CN111015410 B CN 111015410B CN 201811176165 A CN201811176165 A CN 201811176165A CN 111015410 B CN111015410 B CN 111015410B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B9/00—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor
- B24B9/02—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground
- B24B9/04—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of metal, e.g. skate blades
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B49/00—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation
- B24B49/12—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation involving optical means
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- Mechanical Engineering (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The invention belongs to the technical field of detection equipment, and particularly relates to a welding surface detection device based on machine vision. The LED welding surface polishing device is simple in structure and high in practicability, whether a gap exists in the welding surface between the two annular blocks is detected through the LED lamp, the shot image is transmitted to the image processing system through the CCD camera, and the protruding part of the welding surface between the two annular blocks is polished to be flat through the rotation of the arc-shaped polishing plate, so that the working efficiency is improved, and meanwhile, the workload of workers is reduced.
Description
Technical Field
The invention relates to the technical field of detection equipment, in particular to a welding surface detection device based on machine vision.
Background
Welding, also called fusion, is a manufacturing process and technology for joining metals or other thermoplastic materials in a heating, high-temperature or high-pressure manner, and the welding manner has several ways to achieve the purpose of joining, wherein the brazing is one of the welding manners, a metal material with a melting point lower than that of a base metal is used as a brazing filler metal, the liquid brazing filler metal is used for wetting the base metal, filling a joint gap, and mutually diffusing with the base metal to realize a linking welding piece, so that the welding method is suitable for welding processing of various materials, and is also suitable for welding processing of different metals or different materials.
However, in the prior art, when brazing welding is performed to fill a gap between joints, the welding surface may be unevenly filled, for example, a small gap may not be filled in a welding position between two annular steel blocks, or a protruding portion may not be seen after filling, when such a problem is encountered, a detection device is generally used to detect, then a grinding device is used to grind two annular steel blocks, so as to grind the protruding portion flat, increase the workload of workers, reduce the work efficiency, and increase the cost, and therefore, the welding surface detection device based on machine vision is provided.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a welding surface detection device based on machine vision.
In order to achieve the purpose, the invention adopts the following technical scheme: a welding face detection device based on machine vision comprises a base, wherein two support plates are symmetrically and fixedly mounted at the top of the base, the top of each support plate is fixedly provided with a same upper plate, the bottom of each upper plate is fixedly provided with a motor, an output shaft of each motor is fixedly provided with a first circular gear, the bottom of each upper plate is provided with an annular groove, a slide bar is slidably mounted in the annular groove, the bottom end of each slide bar extends out of the annular groove and is fixedly sleeved with a second circular gear, the second circular gear is meshed with the first circular gear, the top of the base is provided with a first through hole, a plurality of annular blocks are arranged in the first through hole, the annular blocks are matched with each other in a pairwise mode, a first groove is formed in the inner wall of one side of the first through hole, and first chutes are formed in the inner walls of the top and the bottom of the first groove, the first groove is fixedly provided with a first cross rod on the inner wall of one side far away from the annular block, one end of the first cross rod close to the annular block extends into the first through hole, the first cross rod is sleeved with an annular plate in a sliding manner, the top and the bottom of the annular plate are respectively connected with the corresponding first sliding grooves in a sliding manner, one side of the annular plate close to the annular block is symmetrically and fixedly provided with two second cross rods, one ends of the two second cross rods far away from the annular plate extend into the first through hole and are fixedly provided with the same first arc-shaped plate, the inner wall of one side far away from the first arc-shaped plate of the first through hole is provided with a second groove, a rack is arranged in the second groove, one end of the rack close to the annular block extends out of the second groove and is fixedly provided with a second arc-shaped plate, the inner wall of one side of the second groove is provided with a first rotating groove, and a third, the end, close to the opening of the first rotating groove, of the third cross rod extends out of the base, a third circular gear is fixedly sleeved on the third cross rod, the third circular gear is matched with the second groove and is meshed with the rack, a second through hole is formed in one end, close to the annular block, of the slide rod, a fourth cross rod is rotatably installed in the second through hole, two ends of the fourth cross rod extend out of the second through hole, an arc-shaped polishing plate is arranged at one end, close to the annular block, of the fourth cross rod, an insulating movable block is fixedly installed on the arc-shaped polishing plate, one side, far away from the arc-shaped polishing plate, of the insulating movable block is hinged to an angle-shaped block, a first mounting groove is formed in one side, close to the annular block, of the angle-shaped block, an LED lamp is rotatably installed in the first mounting groove, a second mounting groove is formed in the inner wall of the bottom of the first mounting groove, and a battery is fixedly, the backup pad is located and is close to annular piece and keep away from one side fixed mounting of arc board of polishing and has the CCD camera.
Preferably, the inner sliding grooves are formed in the inner walls of the two sides of the annular groove, the first sliding blocks are arranged in the inner sliding grooves in a sliding mode, one side, close to each other, of each first sliding block is fixedly connected with the sliding rod, the first rolling balls are nested in one side, away from each other, of each first sliding block, and the inner walls, away from each other, of the two first rolling balls are in contact with the inner wall, away from each other, of one side of each inner sliding groove.
Preferably, the anti-slip pads are fixedly mounted on the side, close to each other, of the first arc-shaped plate and the second arc-shaped plate, and the two anti-slip pads are made of rubber.
Preferably, a first handle is fixedly mounted at one end, far away from the third circular gear, of the third cross rod, a third through hole is formed in the inner wall, close to the first handle, of one side of the second groove, and the third through hole is rotatably connected with the third cross rod.
Preferably, a second sliding groove is formed in the inner wall of the top of the second groove, the inner walls of the two sides of the second sliding groove are fixedly provided with a same round rod, a second sliding block is sleeved on the round rod in a sliding mode, the second sliding block is connected with the second sliding groove in a sliding mode, and the bottom of the second sliding block is fixedly connected with the rack.
Preferably, the inner wall of the second through hole is provided with an internal thread, the fourth cross rod is provided with an external thread, the fourth cross rod is in threaded connection with the second through hole, and one end, far away from the arc-shaped grinding plate, of the fourth cross rod is fixedly provided with a second handle.
Preferably, be equipped with first bearing in the first rotation groove, the outer loop of first bearing and the inner wall fixed connection of first rotation groove, the inner ring and the third horizontal pole fixed connection of first bearing, the second rotation groove has been seted up to one side that the annular piece was kept away from to the arc board of polishing, the one end that the fourth horizontal pole is close to the arc board of polishing extends to the second and rotates the inslot and rotate with the second and be connected, the second rotates the inslot and is equipped with the second bearing, the outer loop and the inner wall fixed connection in second rotation groove of second bearing, the inner ring and the fourth horizontal pole fixed connection of second bearing.
Preferably, the second spring on the cover was equipped with the round bar is welded on the second spout was kept away from one side inner wall of annular piece, the one end welding that the second spring is close to the annular piece is on the second slider, the stiffness coefficient scope of second spring is 30N/m to 150N/m, one side welding that the annular piece was kept away from to the annular board has the first spring of cover on first horizontal pole, the one end welding that the annular piece was kept away from to first spring is on one side inner wall that the annular piece was kept away from to first recess, the stiffness coefficient scope of first spring is 100N/m to 300N/m.
Preferably, one side fixed mounting that insulating movable block was kept away from to angle type piece has the insulating piece, insulating movable block contacts with the splice of two annular pieces, the bottom electric connection of LED lamp has first electric wire and second electric wire, the one end that LED lamp was kept away from to first electric wire and second electric wire respectively with angle type piece and button cell between electric connection, angle type piece is close to annular piece fixed mounting has the shell fragment, the one end that angle type piece was kept away from to the shell fragment contacts with annular piece, electric connection has the third electric wire on the button cell, the one end that button cell was kept away from to the third electric wire extends outside angle type piece and is connected with the shell fragment.
Preferably, a third chute has been seted up to one side that the angle type piece is close to the annular piece, fixed mounting has same arc pole on the both sides inner wall of third chute, sliding sleeve is equipped with the third slider on the arc pole, and third slider and third chute sliding connection, the bottom welding of third slider has the torsional spring, the one end welding that the third slider was kept away from to the torsional spring is in the bottom of insulating movable block, and the stiffness coefficient scope of torsional spring is 20N/m to 80N/m, button cell's model is CR2032, CCD camera's model is MV-VD 030.
Compared with the prior art, the invention has the beneficial effects that: firstly, the device comprises a base, a supporting plate, an upper plate, a motor, a first circular gear, an annular groove, a sliding rod, a second circular gear, a first through hole, an annular block, a first groove, a first sliding groove, a first cross bar, an annular plate, a second cross bar, a first arc-shaped plate, a first spring, a second groove, a rack, a second arc-shaped plate, a first rotating groove, a third cross bar, a third circular gear, a second through hole, a fourth cross bar, an arc-shaped polishing plate, an insulating movable block, an angle-shaped block, a first mounting groove, a second mounting groove, an LED lamp, a button cell, an insulating sheet and a CCD camera which are matched with each other, wherein the base is fixed on a working platform, the welded annular block is placed in the first through hole, the first arc-shaped plate is contacted with the annular block, then a first handle is rotated, the first handle drives the third cross bar to rotate, the third cross bar drives the third circular gear to rotate, the third circular gear drives the rack to move, the rack drives the second arc plate to approach the first arc plate, under the elastic force action of the first spring and the second spring, the first arc plate and the second arc plate clamp the annular blocks tightly, then the second handle is rotated, the second handle drives the fourth cross bar to approach the annular blocks, at the moment, the angle-shaped blocks are pulled again, the insulating sheet is aligned to the welding position between the two annular blocks, then the motor is started, the output shaft of the motor drives the first circular gear to rotate, the first circular gear drives the second circular gear to rotate, under the combined action of the inner chute and the first sliding block, the second circular gear drives the sliding bar to slide in the annular groove, the sliding bar drives the fourth cross bar to rotate, the fourth cross bar drives the arc polishing plate to rotate, when the arc plate polishing plate rotates, the protruding part between the two annular blocks can be polished, and when the arc plate rotates, under the effect of torsional spring, when having the gap between two annular pieces, the insulating strip can get into in the gap, contact between angle type piece and the annular piece at this moment, at first electric wire, under the combined action of second electric wire and third electric wire, because the LED lamp, button cell, annular piece and shell fragment electric connection in proper order, the LED lamp is lighted, the rethread CCD camera is shot, the target that will be detected converts image signal to, convey dedicated image processing system, detect out the welding face between two annular pieces and appear the gap, the suggestion staff need weld again and fill, thereby accomplish this welding face's detection and the work of polishing.
The LED welding surface polishing device is simple in structure and high in practicability, whether a gap exists in the welding surface between the two annular blocks is detected through the LED lamp, the shot image is transmitted to the image processing system through the CCD camera, and the protruding part of the welding surface between the two annular blocks is polished to be flat through the rotation of the arc-shaped polishing plate, so that the working efficiency is improved, and meanwhile, the workload of workers is reduced.
Drawings
FIG. 1 is a front cross-sectional structural schematic view of the present invention;
FIG. 2 is an enlarged schematic view of portion A of FIG. 1;
FIG. 3 is an enlarged schematic view of portion B of FIG. 1;
FIG. 4 is an enlarged schematic view of a portion C of FIG. 1;
FIG. 5 is an assembly view of the base, third cross bar, first rotating slot, second groove, rack and third circular gear of the present invention;
FIG. 6 is an assembly view of the arc-shaped sanding plate, the annular block, the angle block, the LED lamp, and the button cell of the present invention;
FIG. 7 is an enlarged view of portion D of FIG. 6;
FIG. 8 is an assembly view of the upper deck and annular groove of the present invention;
FIG. 9 is a functional block diagram of the present invention;
in the figure: 1. a base; 2. a support plate; 3. an upper plate; 4. a motor; 5. a first circular gear; 6. an annular groove; 7. a slide bar; 8. a second circular gear; 9. a first through hole; 10. a ring block; 11. a first groove; 12. a first chute; 13. a first cross bar; 14. an annular plate; 15. a second cross bar; 16. a first arc-shaped plate; 17. a first spring; 18. a second groove; 19. a rack; 20. a second arc-shaped plate; 21. a first rotating groove; 22. a third cross bar; 23. a third circular gear; 24. a second through hole; 25. a fourth cross bar; 26. an arc-shaped polishing plate; 27. an insulating movable block; 28. an angle block; 29. a first mounting groove; 30. a second mounting groove; 31. an LED lamp; 32. a button cell; 33. an insulating sheet; 34. a CCD camera.
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.
Referring to fig. 1-9, the present invention provides a technical solution: a welding surface detection device based on machine vision comprises a base 1, wherein two support plates 2 are symmetrically and fixedly installed at the top of the base 1, the same upper plate 3 is fixedly installed at the tops of the two support plates 2, a motor 4 is fixedly installed at the bottom of the upper plate 3, a first circular gear 5 is fixedly installed on an output shaft of the motor 4, an annular groove 6 is formed in the bottom of the upper plate 3, a sliding rod 7 is slidably installed in the annular groove 6, the bottom end of the sliding rod 7 extends out of the annular groove 6 and is fixedly sleeved with a second circular gear 8, the second circular gear 8 is meshed with the first circular gear 5, a first through hole 9 is formed in the top of the base 1, a plurality of annular blocks 10 are arranged in the first through hole 9, the annular blocks 10 are matched with each other in pairs, a first groove 11 is formed in the inner wall on one side of the first through hole 9, and first chutes 12 are formed in the inner walls of, a first cross bar 13 is fixedly arranged on the inner wall of one side of the first groove 11 far away from the annular block 10, one end of the first cross bar 13 close to the annular block 10 extends into the first through hole 9, an annular plate 14 is sleeved on the first cross bar 13 in a sliding manner, the top and the bottom of the annular plate 14 are respectively connected with the corresponding first sliding grooves 12 in a sliding manner, two second cross bars 15 are symmetrically and fixedly arranged on one side of the annular plate 14 close to the annular block 10, one ends of the two second cross bars 15 far away from the annular plate 14 extend into the first through hole 9 and are fixedly provided with the same first arc-shaped plate 16, a second groove 18 is arranged on the inner wall of one side of the first through hole 9 far away from the first arc-shaped plate 16, a rack 19 is arranged in the second groove 18, one end of the rack 19 close to the annular block 10 extends out of the second groove 18 and is fixedly provided with a second arc-shaped plate 20, a first rotating, a third cross bar 22 is rotatably mounted in the first rotating groove 21, one end of the third cross bar 22 close to the opening of the first rotating groove 21 extends out of the base 1, a third circular gear 23 is fixedly sleeved on the third cross bar 22, the third circular gear 23 is matched with the second groove 18 and is meshed with the rack 19, one end of the slide bar 7 close to the annular block 10 is provided with a second through hole 24, a fourth cross bar 25 is rotatably mounted in the second through hole 24, both ends of the fourth cross bar 25 extend out of the second through hole 24, one end of the fourth cross bar 25 close to the annular block 10 is provided with an arc-shaped polishing plate 26, the arc-shaped polishing plate 26 is fixedly provided with an insulating movable block 27, one side of the insulating movable block 27 far away from the arc-shaped polishing plate 26 is hinged with an angular block 28, one side of the angular block 28 close to the annular block 10 is provided with a first mounting groove 29, the first mounting groove 29 is rotatably mounted with an LED lamp 31, and the inner wall of the bottom of the first mounting, a button cell 32 is fixedly mounted on the inner wall of the bottom of the second mounting groove 30, and a CCD camera 34 is fixedly mounted on one side, close to the annular block 10 and far away from the arc-shaped polishing plate 26, of the support plate 2;
inner chutes are respectively arranged on the inner walls of two sides of the annular groove 6, first sliding blocks are arranged in the inner chutes in a sliding manner, one sides of the two first sliding blocks, which are close to each other, are fixedly connected with the sliding rod 7, one sides of the two first sliding blocks, which are far away from each other, are nested with first rolling balls, the two first rolling balls are respectively contacted with the inner walls of one sides of the two inner chutes, which are far away from each other, one sides of the first arc-shaped plate 16 and the second arc-shaped plate 20, which are close to each other, are respectively fixedly provided with a non-slip mat, the two non-slip mats are made of rubber materials, one end of the third cross bar 22, which is far away from the third circular gear 23, is fixedly provided with a first handle, one side of the second groove 18, which is close to the first handle, is provided with a third through hole, the third through hole is rotatably connected with the third cross bar 22, the second sliding block is connected with the second sliding groove in a sliding manner, the bottom of the second sliding block is fixedly connected with the rack 19, the inner wall of the second through hole 24 is provided with an internal thread, the fourth cross rod 25 is provided with an external thread, the fourth cross rod 25 is connected with the second through hole in a threaded manner, one end of the fourth cross rod 25, which is far away from the arc-shaped polishing plate 26, is fixedly provided with a second handle, a first bearing is arranged in the first rotating groove 21, the outer ring of the first bearing is fixedly connected with the inner wall of the first rotating groove 21, the inner ring of the first bearing is fixedly connected with the third cross rod 22, one side of the arc-shaped polishing plate 26, which is far away from the annular block 10, is provided with a second rotating groove, one end of the fourth cross rod 25, which is close to the arc-shaped polishing plate 26, extends into the second rotating groove and is rotatably connected with the second rotating groove, a second bearing is arranged in the second rotating groove, the outer ring of the second bearing is, the inner wall of one side of the second chute far away from the annular block 10 is welded with a second spring sleeved on a round rod, one end of the second spring close to the annular block 10 is welded on a second sliding block, the stiffness coefficient range of the second spring is 30N/m to 150N/m, one side of the annular plate 14 far away from the annular block 10 is welded with a first spring 17 sleeved on the first cross rod 13, one end of the first spring 17 far away from the annular block 10 is welded on the inner wall of one side of the first groove 11 far away from the annular block 10, the stiffness coefficient range of the first spring 17 is 100N/m to 300N/m, one side of the angle-shaped block 28 far away from the insulating movable block 27 is fixedly provided with an insulating sheet 33, the insulating movable block 27 is contacted with the welding parts of the two annular blocks 10, the bottom of the LED lamp 31 is electrically connected with a first wire and a second wire, one ends of the first wire and the second wire far away from the LED lamp 31 are respectively electrically connected with the angle, the angle-shaped block 28 is close to the annular block 10 and is fixedly provided with an elastic sheet, one end of the elastic sheet far away from the angle-shaped block 28 is in contact with the annular block 10, the button cell 32 is electrically connected with a third electric wire, one end of the third electric wire far away from the button cell 32 extends out of the angle-shaped block 28 and is connected with the elastic sheet, one side of the angle-shaped block 28 close to the annular block 10 is provided with a third sliding groove, the inner walls of two sides of the third sliding groove are fixedly provided with the same arc-shaped rod, a third sliding block is sleeved on the arc-shaped rod in a sliding mode and is in sliding connection with the third sliding groove, a torsion spring is welded at the bottom of the third sliding block, one end of the torsion spring far away from the third sliding block is welded at the bottom of the insulating block 27, the stiffness coefficient range of the torsion spring is 20N/m to 80N/.
By matching the base 1, the support plate 2, the upper plate 3, the motor 4, the first circular gear 5, the annular groove 6, the sliding rod 7, the second circular gear 8, the first through hole 9, the annular block 10, the first groove 11, the first chute 12, the first cross bar 13, the annular plate 14, the second cross bar 15, the first arc-shaped plate 16, the first spring 17, the second groove 18, the rack 19, the second arc-shaped plate 20, the first rotating groove 21, the third cross bar 22, the third circular gear 23, the second through hole 24, the fourth cross bar 25, the arc-shaped polishing plate 26, the insulating movable block 27, the angle-shaped block 28, the first mounting groove 29, the second mounting groove 30, the LED lamp 31, the button cell 32, the insulating sheet 33 and the CCD camera 34, the base 1 is fixed on the working platform, the welded annular block 10 is placed in the first through hole 9, the first arc-shaped plate 16 is contacted with the annular block 10, then the first handle is rotated, the first handle drives the third cross bar 22 to rotate, the third cross bar 22 drives the third circular gear 23 to rotate, the third circular gear 23 drives the rack 19 to move, the rack 19 drives the second arc-shaped plate 20 to approach the first arc-shaped plate 16, under the action of the elastic force of the first spring 17 and the second spring, the first arc-shaped plate 16 and the second arc-shaped plate 20 clamp the annular blocks 10 tightly, then the second handle is rotated, the second handle drives the fourth cross bar 25 to approach the annular blocks 10, at the moment, the angle-shaped blocks 28 are pulled again, the insulation sheet 33 is aligned to the welding position between the two annular blocks 10, then the motor 4 is started, the output shaft of the motor 4 drives the first circular gear 5 to rotate, the first circular gear 5 drives the second circular gear 8 to rotate, under the combined action of the inner chute and the first slide block, the second circular gear 8 drives the slide bar 7 to slide in the annular groove 6, the slide bar 7 drives the fourth cross bar 25 to rotate, the fourth cross bar 25 drives the arc-shaped polishing plate 26 to rotate, when the arc-shaped polishing plate 26 rotates, the convex part between the two annular blocks 10 is polished, and when the arc-shaped polishing plate 26 drives the angle-shaped block 28 to rotate, under the action of the torsion spring, when a gap exists between the two annular blocks 10, the insulating sheet 33 enters the gap, at this time, the angle-shaped block 28 is in contact with the annular blocks 10, under the combined action of the first electric wire, the second electric wire and the third electric wire, because the LED lamp 31, the button cell 32, the annular blocks 10 and the elastic sheet are sequentially and electrically connected, the LED lamp 31 is lightened, then the CCD camera 34 is used for shooting, the detected target is converted into an image signal and is transmitted to a special image processing system, the gap appearing on the welding surface between the two annular blocks 10 is detected, the staff is prompted to need to weld and fill again, so that the detection and polishing work of the welding surface is completed, the LED lamp 31 is used for detecting whether a gap exists on the welding surface between the two annular blocks 10, the CCD camera 34 is used for transmitting the shot image to the image processing system, and the arc-shaped polishing plate 26 rotates to polish and flatten the convex part of the welding surface between the two annular blocks 10, so that the working efficiency is improved, and the workload of workers is reduced.
The working principle is as follows: when the device is used, the base 1 is fixed on a working platform, the welded annular block 10 is placed in the first through hole 9, the first arc-shaped plate 16 is contacted with the annular block 10, the first handle is rotated, the first handle drives the third cross rod 22 to rotate in the first rotating groove 21 and the third through hole, the third cross rod 22 drives the third circular gear 23 to rotate, the third circular gear 23 drives the rack 19 to move, under the combined action of the second sliding groove and the second sliding block, the rack 19 drives the second arc-shaped plate 20 to stably approach the first arc-shaped plate 16, under the elastic force action of the first spring 17 and the second spring, the first arc-shaped plate 16 and the second arc-shaped plate 20 clamp the annular block 10 tightly, the second handle is rotated, under the action of the screw thread, the second handle drives the fourth cross rod 25 to stably approach the annular block 10, at the moment, the annular angle-shaped block 28 is pulled, the insulating sheet 33 is aligned to the welding position between the two annular blocks 10, then the motor 4 is started, the output shaft of the motor 4 drives the first circular gear 5 to rotate, the first circular gear 5 drives the second circular gear 8 to rotate, under the combined action of the inner chute and the first slider, the second circular gear 8 drives the slide rod 7 to stably slide in the annular groove 6, the slide rod 7 drives the fourth cross rod 25 to rotate, the fourth cross rod 25 drives the arc polishing plate 26 to rotate, when the arc polishing plate 26 rotates, the convex part between the two annular blocks 10 is polished, and when the arc polishing plate 26 drives the angle-shaped block 28 to rotate, under the action of the torsion spring, when a gap exists between the two annular blocks 10, the insulation sheet 33 enters the gap, at the moment, the angle-shaped block 28 is in contact with the annular blocks 10, under the combined action of the first wire, the second wire and the third wire, because the LED lamp 31, the button cell 32, the annular blocks 10 and the elastic sheet are electrically connected in sequence, the LED lamp 31 is lighted, then the CCD camera 34 is used for shooting, a detected target is converted into an image signal and is transmitted to a special image processing system, a gap is detected on the welding surface between the two annular blocks 10, the worker is prompted to need to weld and fill again, and therefore the detection and polishing work of the welding surface is completed.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (10)
1. The utility model provides a welding face detection device based on machine vision, includes base (1), its characterized in that: the top of the base (1) is symmetrically and fixedly provided with two supporting plates (2), the top of the two supporting plates (2) is fixedly provided with the same upper plate (3), the bottom of the upper plate (3) is fixedly provided with a motor (4), an output shaft of the motor (4) is fixedly provided with a first circular gear (5), the bottom of the upper plate (3) is provided with an annular groove (6), the annular groove (6) is internally provided with a sliding rod (7), the bottom end of the sliding rod (7) extends out of the annular groove (6) and is fixedly sleeved with a second circular gear (8), the second circular gear (8) is meshed with the first circular gear (5), the top of the base (1) is provided with a first through hole (9), a plurality of annular blocks (10) are arranged in the first through hole (9), and every two annular blocks (10) are matched with each other, the improved structure of the annular plate is characterized in that a first groove (11) is formed in the inner wall of one side of the first through hole (9), first sliding grooves (12) are formed in the inner wall of the top and the inner wall of the bottom of the first groove (11), a first transverse rod (13) is fixedly mounted on the inner wall of one side, far away from the annular block (10), of the first groove (11), one end, close to the annular block (10), of the first transverse rod (13) extends into the first through hole (9), an annular plate (14) is slidably sleeved on the first transverse rod (13), the top and the bottom of the annular plate (14) are respectively in sliding connection with the corresponding first sliding grooves (12), two second transverse rods (15) are symmetrically and fixedly mounted on one side, close to the annular block (10), of the annular plate (14), one ends, far away from the annular plate (14), of the two second transverse rods (15) extend into the first through hole (9) and are fixedly mounted with the same first arc, a second groove (18) is formed in the inner wall of one side, far away from the first arc-shaped plate (16), of the first through hole (9), a rack (19) is arranged in the second groove (18), one end, close to the annular block (10), of the rack (19) extends out of the second groove (18) and is fixedly provided with a second arc-shaped plate (20), a first rotating groove (21) is formed in the inner wall of one side of the second groove (18), a third cross rod (22) is rotatably arranged in the first rotating groove (21), one end, close to the opening of the first rotating groove (21), of the third cross rod (22) extends out of the base (1), a third circular gear (23) is fixedly sleeved on the third cross rod (22), the third circular gear (23) is matched with the second groove (18) and is meshed with the rack (19), one end, close to the annular block (10), of the sliding rod (7) is provided with a second through hole (24), fourth horizontal pole (25) are installed to second through-hole (24) internal rotation, outside the both ends of fourth horizontal pole (25) all extended to second through-hole (24), the one end that fourth horizontal pole (25) are close to annular piece (10) is equipped with arc sanding plate (26), fixed mounting has insulating movable block (27) on arc sanding plate (26), one side that arc sanding plate (26) were kept away from in insulating movable block (27) articulates there is angle type piece (28), first mounting groove (29) have been seted up to one side that angle type piece (28) are close to annular piece (10), LED lamp (31) are installed to first mounting groove (29) internal rotation, second mounting groove (30) have been seted up on the bottom inner wall of first mounting groove (29), fixed mounting has button cell (32) on the bottom inner wall of second mounting groove (30), backup pad (2) are located one side fixed mounting that one side that is close to annular piece (10) and keeps away from arc sanding plate (26) has CCD camera (34) ).
2. The machine vision-based weld face detection device according to claim 1, wherein: inner chutes are formed in the inner walls of the two sides of the annular groove (6), first sliding blocks are arranged in the inner chutes in a sliding mode, one side, close to each other, of each first sliding block is fixedly connected with the sliding rod (7), one side, far away from each other, of each first sliding block is nested with a first ball, and the inner wall, far away from each other, of one side of each first ball is in contact with the inner wall, far away from each other, of the two inner chutes.
3. The machine vision-based weld face detection device according to claim 1, wherein: the anti-skidding plate is characterized in that anti-skidding pads are fixedly mounted on one sides, close to each other, of the first arc-shaped plate (16) and the second arc-shaped plate (20), and the two anti-skidding pads are made of rubber materials.
4. The machine vision-based weld face detection device according to claim 1, wherein: one end, far away from the third circular gear (23), of the third cross rod (22) is fixedly provided with a first handle, a third through hole is formed in the inner wall, close to the first handle, of one side of the second groove (18), and the third through hole is rotatably connected with the third cross rod (22).
5. The machine vision-based weld face detection device according to claim 1, wherein: the second sliding groove is formed in the inner wall of the top of the second groove (18), the inner walls of the two sides of the second sliding groove are fixedly provided with the same round rod, the round rod is sleeved with a second sliding block in a sliding mode, the second sliding block is connected with the second sliding groove in a sliding mode, and the bottom of the second sliding block is fixedly connected with the rack (19).
6. The machine vision-based weld face detection device according to claim 1, wherein: be equipped with the internal thread on the inner wall of second through-hole (24), the external screw thread has been seted up on fourth horizontal pole (25), fourth horizontal pole (25) and second through-hole threaded connection, the one end fixed mounting that arc board (26) were ground in fourth horizontal pole (25) was kept away from has the second handle.
7. The machine vision-based weld face detection device according to claim 1, wherein: be equipped with first bearing in first rotating groove (21), the outer loop of first bearing and the inner wall fixed connection of first rotating groove (21), the inner ring and third horizontal pole (22) fixed connection of first bearing, the second rotating groove has been seted up to one side that annular piece (10) were kept away from in arc board (26) of polishing, the one end that fourth horizontal pole (25) are close to arc board (26) extends to the second and rotates the inslot and rotate the groove with the second and be connected, the second rotates the inslot and is equipped with the second bearing, the outer loop and the inner wall fixed connection in second rotating groove of second bearing, the inner ring and the fourth horizontal pole (25) fixed connection of second bearing.
8. The machine vision-based weld face detection device according to claim 5, wherein: the welding has the second spring on the cover is equipped with the round bar on the second spout keeps away from one side inner wall of annular piece (10), the one end welding that the second spring is close to annular piece (10) is on the second slider, the stiffness coefficient scope of second spring is 30N/m to 150N/m, one side welding that annular piece (10) were kept away from in annular board (14) has first spring (17) of cover on first horizontal pole (13) of cover, the one end welding that annular piece (10) were kept away from in first spring (17) is on one side inner wall that annular piece (10) were kept away from in first recess (11), the stiffness coefficient scope of first spring (17) is 100N/m to 300N/m.
9. The machine vision-based weld face detection device according to claim 1, wherein: one side fixed mounting that insulating movable block (27) was kept away from to angle type piece (28) has insulating piece (33), insulating movable block (27) contact with the splice of two annular blocks (10), the bottom electric connection of LED lamp (31) has first electric wire and second electric wire, the one end that LED lamp (31) were kept away from to first electric wire and second electric wire respectively with angle type piece (28) and button cell (32) between electric connection, angle type piece (28) are close to annular block (10) fixed mounting and have the shell fragment, the one end that angle type piece (28) were kept away from to the shell fragment contacts with annular block (10), electric connection has the third electric wire on button cell (32), the one end that button cell (32) were kept away from to the third electric wire extends outside angle type piece (28) and is connected with the shell fragment.
10. The machine vision-based weld face detection device according to claim 1, wherein: the third spout has been seted up to one side that angle type piece (28) are close to annular piece (10), fixed mounting has same arc pole on the both sides inner wall of third spout, sliding sleeve is equipped with the third slider on the arc pole, and third slider and third spout sliding connection, the bottom welding of third slider has the torsional spring, the torsional spring is kept away from the one end welding of third slider in the bottom of insulating movable block (27), and the stiffness coefficient scope of torsional spring is 20N/m to 80N/m, button cell (32)'s model is CR2032, the model of CCD camera (34) is MV-VD 030.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811176165.9A CN111015410B (en) | 2018-10-10 | 2018-10-10 | Welding face detection device based on machine vision |
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| CN201811176165.9A CN111015410B (en) | 2018-10-10 | 2018-10-10 | Welding face detection device based on machine vision |
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| CN111015410B true CN111015410B (en) | 2020-10-27 |
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| CN115742121B (en) * | 2022-11-21 | 2024-06-07 | 南通利泰化工设备有限公司 | Anticorrosive pipeline inside lining is suppressed forming device |
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| JP3524565B2 (en) * | 1993-08-03 | 2004-05-10 | 三菱重工業株式会社 | Bead surface repair equipment |
| DE4414784C2 (en) * | 1994-04-28 | 1996-07-18 | Wernicke & Co Gmbh | System for grinding the peripheral edge and / or an optical surface of spectacle lenses |
| US6664499B1 (en) * | 2002-07-11 | 2003-12-16 | The Boeing Company | Tube and duct trim machine |
| CN204736036U (en) * | 2015-06-09 | 2015-11-04 | 衢州学院 | A processingequipment that is used for outer disc of accurate cylindrical roller to grind |
| CN108188858A (en) * | 2018-02-27 | 2018-06-22 | 吴艳平 | A kind of steel pipe inside weld grinding device |
| CN108620735A (en) * | 2018-07-18 | 2018-10-09 | 广州迩鼎机电设备有限公司 | A kind of high-end welder |
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