CN115656196B - Visual detection device and detection method for detecting defects of industrial parts - Google Patents
Visual detection device and detection method for detecting defects of industrial parts Download PDFInfo
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- CN115656196B CN115656196B CN202211287173.7A CN202211287173A CN115656196B CN 115656196 B CN115656196 B CN 115656196B CN 202211287173 A CN202211287173 A CN 202211287173A CN 115656196 B CN115656196 B CN 115656196B
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- 238000001514 detection method Methods 0.000 title claims abstract description 115
- 230000007547 defect Effects 0.000 title claims abstract description 60
- 230000000007 visual effect Effects 0.000 title claims abstract description 21
- 238000009434 installation Methods 0.000 claims abstract description 12
- 239000003921 oil Substances 0.000 claims description 93
- 230000005540 biological transmission Effects 0.000 claims description 67
- 238000003860 storage Methods 0.000 claims description 29
- 239000000428 dust Substances 0.000 claims description 28
- 230000033001 locomotion Effects 0.000 claims description 23
- 238000004140 cleaning Methods 0.000 claims description 17
- 238000011179 visual inspection Methods 0.000 claims description 17
- 238000000034 method Methods 0.000 claims description 15
- 230000000712 assembly Effects 0.000 claims description 12
- 238000000429 assembly Methods 0.000 claims description 12
- 238000003825 pressing Methods 0.000 claims description 12
- 230000008569 process Effects 0.000 claims description 12
- 238000001125 extrusion Methods 0.000 claims description 8
- 230000001050 lubricating effect Effects 0.000 claims description 8
- 239000010687 lubricating oil Substances 0.000 claims description 7
- 239000012535 impurity Substances 0.000 claims description 6
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
- 238000005192 partition Methods 0.000 claims description 3
- 238000007689 inspection Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 5
- 230000007246 mechanism Effects 0.000 description 10
- 239000000243 solution Substances 0.000 description 10
- 230000009471 action Effects 0.000 description 4
- 239000000945 filler Substances 0.000 description 3
- 238000005461 lubrication Methods 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000009795 derivation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Abstract
The invention discloses a visual detection device and a visual detection method for detecting defects of industrial parts, which belong to the technical field of defect detection and comprise a detection machine, wherein a defect detection visual module is fixedly arranged in the detection machine, a rack is fixedly arranged at the bottom of the detection machine, a part outlet is arranged on one side of the detection machine, a driving motor is fixedly arranged on the outer wall of the other side of the detection machine, a driving assembly is arranged at one end of an output shaft of the driving motor, and a second driving roller is rotatably arranged in the detection machine through a rotating shaft; according to the invention, the workpiece clamping assembly is arranged in a matched manner, a simple structure is adopted, the rapid installation and positioning of the detected workpiece can be realized, meanwhile, the traditional conveying type workpiece positioning detection design is changed, the workpiece has a certain rotation angle momentum during detection, the overall detection result comprehensiveness and accuracy can be greatly improved, and the batch detection of a plurality of parts in the same batch can be carried out through the design, so that the application effect is good.
Description
Technical Field
The invention belongs to the technical field of defect detection, and particularly relates to a visual detection device and a visual detection method for detecting defects of industrial parts.
Background
The defect detection is to detect the defects of the parts or the workpieces by mainly adopting the advanced machine vision detection technology, namely detecting the defects such as spots, pits, scratches, chromatic aberration, defects and the like on the surfaces of the workpieces, and a vision detection device is needed when the defect detection of the parts is carried out.
Chinese patent discloses (CN 109201775 a) an online visual inspection device and method for defects of stamped parts, the device comprising a frame, a translation mechanism, a visual inspection assembly, a bearing assembly, a conveying mechanism and a positioning mechanism; the translation mechanism comprises a guide rail and a sliding block and is assembled at the top of the frame; the visual detection assembly is assembled on the sliding block and can reciprocate along the guide rail; the bearing component is positioned in the middle of the frame and below the visual detection component; the conveying mechanism is assembled at the lower part of the frame and positioned below the bearing assembly; the positioning mechanism comprises a pair of rolling positioning pins, the positioning mechanism is assembled in the frame and positioned under the conveying mechanism, and the top ends of the pair of rolling positioning pins extend onto the conveying mechanism and can reciprocate along the width direction of the conveying mechanism to realize positioning of the stamping parts after detection. The detection area is enlarged, and the detection effect is improved; and separate loading position and unloading position, be convenient for assembly line arrangement, accelerated detection speed, be convenient for transplant equipment's arrangement, reduced the requirement to the place, defect visual inspection device at present often adopts transmission mode, conveys the work piece that needs to detect, conveys to the detection module below, detects its defect, although can accomplish defect detection, because the work piece of installation itself is not movable, leads to the testing result not comprehensive, influences the detection precision, in order to effectively solve above-mentioned problem, need a visual inspection device and detection method for industrial part defect detection.
Disclosure of Invention
The invention aims at: in order to solve the problems that the existing defect visual detection device usually adopts a transmission mode, a workpiece to be detected is transmitted to the lower part of a detection module, and the defect detection is carried out on the workpiece, and although the defect detection can be finished, the detection result is incomplete and the detection precision is affected due to the fact that the installed workpiece is not movable, the visual detection device and the detection method for the industrial part defect detection are provided.
In order to achieve the above purpose, the present invention adopts the following technical scheme: the utility model provides a visual inspection device for industrial part defect detection, includes the detection machine, the inside fixed mounting of detection machine has defect detection vision module, the bottom fixed mounting of detection machine has the frame, one side of detection machine is provided with the part export, fixed mounting has driving motor on the opposite side outer wall of detection machine, driving motor's output shaft one end is provided with drive assembly, the inside of detection machine is rotated through the pivot and is installed the second driving roller, be provided with conveyer on drive assembly and the second driving roller, be provided with work piece clamping assembly on the conveyer belt, work piece clamping assembly is used for the quick stable centre gripping of detected part, there is clear dirt subassembly through connecting rod fixed mounting on the top surface inner wall of detection machine, clear dirt subassembly is used for being detected the effective outside clear dirt of part, fixed mounting has the guide rail on the top surface inner wall of detection machine, slidable mounting has the reciprocating motion subassembly on the guide rail, and the reciprocating motion subassembly is used for the stable drive of clear dirt subassembly.
As a further description of the above technical solution:
the workpiece clamping assembly comprises a mounting plate, a rotating hole is formed in the mounting plate, a rotating shaft is rotatably mounted in the rotating hole, an external gear is fixedly mounted at one end of the rotating shaft, and a sleeving spring is fixedly mounted at the outer part of the rotating shaft.
As a further description of the above technical solution:
the outside slidable mounting of axis of rotation has the centre gripping top, the one end and the one end fixed connection of centre gripping top of suit spring, there is the counter weight ball bottom of centre gripping top through connecting rod fixed mounting, the inside fixed mounting of detection machine has the meshing rack, intermesh connection between external gear and the meshing rack.
As a further description of the above technical solution:
the driving assembly comprises a mounting main shaft, one end of the mounting main shaft is fixedly connected with one end of an output shaft of the driving motor, a transmission half gear and two first transmission rollers are fixedly arranged outside the mounting main shaft, and the transmission half gear is located between the two first transmission rollers.
As a further description of the above technical solution:
the reciprocating movement assembly comprises a sliding block, a spring rod is fixedly installed on the outer wall of one side of the sliding block, one end of the spring rod is fixedly connected with the inner wall of one side of the detection machine, an engagement toothed plate is fixedly installed at the bottom of the sliding block, the transmission half gear is in meshed connection with the engagement toothed plate, a first engagement toothed rod is fixedly installed on the outer wall of one side of the engagement toothed plate, and an extrusion disc is fixedly installed at one end of the first engagement toothed rod.
As a further description of the above technical solution:
the dust cleaning assembly comprises a first combined fan cover and a second combined fan cover, the first combined fan cover and the second combined fan cover are mutually clamped, the sizes of the first combined fan cover and the second combined fan cover are consistent, and an air outlet shell is fixedly arranged outside each of the first combined fan cover and the second combined fan cover.
As a further description of the above technical solution:
the fan comprises a first combined fan cover and a second combined fan cover, wherein the inner walls of the first combined fan cover and the second combined fan cover are respectively provided with a diversion trench, a second meshing toothed bar is rotatably arranged in the first combined fan cover and the second combined fan cover, fan blades are fixedly arranged outside the second meshing toothed bar and are positioned on the inner sides of the first combined fan cover and the second combined fan cover, and the first meshing toothed bar and the second meshing toothed bar are connected in a meshed mode.
As a further description of the above technical solution:
the inside of detecting machine is through mounting bracket fixed mounting fixed point oil guide subassembly, and fixed point oil guide subassembly is used for the lubrication of drive unit, fixed point oil guide subassembly includes the oil storage box, fixed mounting has the oil filler pipe on the outer wall of one side of oil storage box, the one end of oil filler pipe passes and extends to the outside of detecting machine, it leads the oil ball to lead through oil pipe fixed mounting on the opposite side outer wall of oil storage box, the one end and the surface in close contact with of transmission semi-gear of oil ball and extrusion.
As a further description of the above technical solution:
the oil storage box comprises an oil storage box body, wherein an oil storage box is arranged on the inner side of the oil storage box body, a box cover is fixedly arranged on the outer wall of one side of the box cover, a baffle plate is fixedly arranged on the outer wall of one side of the box cover, a sliding hole is formed in the box cover, a piston rod is slidably arranged in the sliding hole, a side pressing plate and a piston are fixedly arranged at two ends of the piston rod respectively, the side wall of the piston is slidably connected with the side wall of the baffle plate, and a return spring is sleeved outside the piston rod.
The invention also discloses a detection method of the visual detection device for detecting the defects of the industrial parts, which comprises the following steps:
s1, when defect detection is carried out on a part, firstly, installing a workpiece, placing the workpiece between two workpiece clamping assemblies, adjusting the distance between clamping centers of the two workpiece clamping assemblies according to the size of the workpiece, and after the adjustment is finished, clamping the workpiece between the two clamping centers to finish quick installation of the workpiece;
s2, when in detection, a driving motor is started to drive two first driving rollers to rotate to drive two conveying belts to drive, so that the workpiece after installation can be conveyed, in the conveying process, an external gear of a workpiece clamping assembly can be meshed with a meshing rack fixedly installed in the detection machine, so that a rotating shaft rotates, the workpiece clamped on the workpiece clamping assembly can be driven to rotate, and because a counterweight ball is arranged below a clamping center, the inertia of the rotating clamping center increases, when the workpiece arrives below a defect detection visual module, the workpiece still continues to rotate, the defect detection visual module can carry out omnibearing defect detection on the rotating workpiece, and the detection result is input to a display screen;
s3, when the driving assembly drives, the transmission half gear of the driving assembly can drive the meshing toothed plate of the reciprocating assembly to displace and synchronously drive the first meshing toothed bar to displace to one side, the first meshing toothed bar can drive the second meshing toothed bar of the dust cleaning assembly to rotate through meshing action, the fan blades can be driven to synchronously rotate, the fan blades can generate air flow in the first combined fan cover and the second combined fan cover, the air flow is rapidly circulated through the diversion trenches, and finally the air flow is led out through the air outlet shell;
s4, after the transmission half gear is disengaged from the meshing toothed plate, the spring rod can pull the whole meshing toothed plate to reset and sequentially reciprocate, so that circulation conduction of air flow is realized, the guided air flow can effectively blow dust on the conveyed workpiece, and some impurities accumulated on the surface of the workpiece can be blown off, so that the original surface shape of the workpiece can be maintained during detection;
s5, in the reciprocating movement process of the reciprocating movement assembly, the pressing plate at one end of the first meshing toothed bar can press the side pressing plate of the fixed-point oil guide assembly at regular time, so that the piston can be controlled to move in the oil storage box, lubricating oil in the oil storage box can be pushed out through the oil guide ball, and as one end of the oil guide ball is tightly contacted with and pressed against the outer surface of the transmission half gear, the oil guided out by the oil guide ball can be sent to the transmission half gear, and a good and stable lubricating effect is generated for transmission of the transmission half gear.
In summary, due to the adoption of the technical scheme, the beneficial effects of the invention are as follows:
1. according to the invention, when the defect detection is carried out on the part, the workpiece is firstly installed between the two workpiece clamping assemblies, the gap between the clamping centers of the two workpiece clamping assemblies is regulated according to the size of the workpiece, after the regulation is finished, the workpiece is clamped between the two clamping centers, the rapid installation of the workpiece is finished, the driving motor is started to drive the two first driving rollers to rotate during the detection, the two conveying belts are driven to drive the two conveying belts to convey the installed workpiece, in the conveying process, the external gear of the workpiece clamping assembly can be meshed with the meshing rack fixedly installed in the detecting machine, so that the rotating shaft can be rotated, the workpiece clamped on the workpiece can be driven to rotate, and as the counterweight balls are arranged below the clamping centers, the inertia of the rotating clamping centers is increased, when the workpiece comes below the defect detection vision module, the workpiece can be continuously rotated, the defect detection vision module can carry out the omnidirectional defect detection on the rotating workpiece, and the detection result is input onto the display screen.
2. According to the invention, the reciprocating movement assembly and the dust cleaning assembly are arranged in the dust cleaning device, when the driving assembly drives, the transmission half gear of the driving assembly can drive the meshing toothed plate of the reciprocating movement assembly to move, the first meshing toothed bar can be synchronously driven to move to one side, the first meshing toothed bar can drive the second meshing toothed bar of the dust cleaning assembly to rotate through meshing action, the fan blades can be driven to synchronously rotate, the fan blades can generate air flow in the first combined fan housing and the second combined fan housing, the air flow can rapidly circulate through the diversion trench and finally be led out through the air outlet housing, when the transmission half gear is disengaged from the meshing toothed plate, the spring bar can pull the whole meshing toothed plate to reset, and the spring bar can sequentially reciprocate, so that the circulation conduction of the air flow is realized, the led air flow can effectively blow dust to a conveyed workpiece, and some impurities accumulated on the surface of the workpiece can be blown off, so that the original surface shape of the workpiece can be kept when the workpiece is detected, and the detection result accuracy is further improved.
3. According to the invention, the fixed-point oil guide assembly is arranged inside, in the reciprocating movement process of the reciprocating movement assembly, the extrusion plate at one end of the first meshing toothed bar can regularly extrude the side pressure plate of the fixed-point oil guide assembly, so that the piston can be controlled to move in the oil storage box, and lubricating oil in the oil storage box can be pushed out through the oil guide ball, and because one end of the oil guide ball is tightly contacted with and extruded from the outer surface of the transmission half gear, the oil guided out by the oil guide ball can be sent to the transmission half gear, so that a good and stable lubricating effect is generated for transmission of the transmission half gear.
Drawings
Fig. 1 is a schematic perspective view of a visual inspection device for detecting defects of industrial parts.
Fig. 2 is an exploded perspective view of a visual inspection device for detecting defects of industrial parts.
FIG. 3 is an enlarged perspective view of a driving assembly and a conveyor belt in a visual inspection device for inspecting defects of industrial parts.
Fig. 4 is an enlarged perspective view of a driving assembly in a visual inspection apparatus for inspecting defects of industrial parts.
Fig. 5 is an enlarged perspective view of a reciprocating assembly, a dust cleaning assembly and a fixed-point oil guiding assembly in a visual inspection device for inspecting defects of industrial parts.
Fig. 6 is an enlarged exploded perspective view of a dust cleaning assembly in a visual inspection device for industrial part defect inspection.
Fig. 7 is an enlarged perspective view of a workpiece clamping assembly in a visual inspection apparatus for inspecting defects of industrial parts.
Fig. 8 is an enlarged exploded perspective view of a fixed-point oil guide assembly in a visual inspection device for detecting defects of industrial parts.
Fig. 9 is an enlarged schematic view of the visual inspection apparatus for detecting defects of industrial parts shown at a in fig. 7.
Legend description:
1. a detecting machine; 2. a part outlet; 3. a frame; 4. a driving motor; 5. a drive assembly; 51. installing a main shaft; 52. a first driving roller; 53. a transmission half gear; 6. a fixed-point oil guide assembly; 61. a return spring; 62. a side pressure plate; 63. a piston rod; 64. a piston; 65. a box cover; 66. an oil guiding ball; 67. a filler pipe; 68. an oil storage box; 69. a partition plate; 7. a workpiece clamping assembly; 71. an external gear; 72. a rotating shaft; 73. a mounting plate; 74. sleeving a spring; 75. a weight ball; 76. clamping the center; 8. a reciprocating assembly; 81. a spring rod; 82. a slide block; 83. engaging the toothed plate; 84. a first meshing toothed bar; 85. an extrusion plate; 9. a dust removal assembly; 91. a second meshing toothed bar; 92. a fan blade; 93. a first combined fan cover; 94. an air outlet shell; 95. a diversion trench; 96. a second combined fan housing; 10. a second driving roller; 11. a conveyor belt.
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.
Referring to fig. 1-9, the present invention provides a technical solution: the utility model provides a visual inspection device for industrial part defect detection, including detector 1, the inside fixed mounting of detector 1 has defect detection vision module, the bottom fixed mounting of detector 1 has frame 3, one side of detector 1 is provided with part export 2, fixed mounting has driving motor 4 on the opposite side outer wall of detector 1, driving motor 4's output shaft one end is provided with actuating assembly 5, the inside of detector 1 is provided with second driving roller 10 through the pivot rotation, be provided with conveyer 11 on actuating assembly 5 and the second driving roller 10, be provided with work piece clamping assembly 7 on the conveyer 11, work piece clamping assembly 7 is used for the quick stable centre gripping of detected part, there is dust removal subassembly 9 through connecting rod fixed mounting on the top surface inner wall of detector 1, dust removal subassembly 9 is used for the effective outside dust removal of detected part, fixed mounting has the guide rail on the top surface inner wall of detector 1, slidable mounting has reciprocating motion subassembly 8 on the guide rail, reciprocating motion subassembly 8 is used for the stable drive of dust removal subassembly 9.
The workpiece clamping assembly 7 comprises a mounting plate 73, a rotating hole is formed in the mounting plate 73, a rotating shaft 72 is rotatably mounted in the rotating hole, an outer gear 71 is fixedly mounted at one end of the rotating shaft 72, a sleeving spring 74 is fixedly mounted outside the rotating shaft 72, a clamping center 76 is slidably mounted outside the rotating shaft 72, one end of the sleeving spring 74 is fixedly connected with one end of the clamping center 76, a counterweight ball 75 is fixedly mounted at the bottom of the clamping center 76 through a connecting rod, a meshing rack is fixedly mounted inside the detecting machine 1, and the outer gear 71 is mutually meshed with the meshing rack.
The driving assembly 5 comprises a mounting main shaft 51, one end of the mounting main shaft 51 is fixedly connected with one end of an output shaft of the driving motor 4, a transmission half gear 53 and two first transmission rollers 52 are fixedly arranged outside the mounting main shaft 51, and the transmission half gear 53 is positioned between the two first transmission rollers 52
The specific implementation mode is as follows: when the defect detection is carried out on a part, the workpiece is firstly installed, the workpiece is placed between two workpiece clamping assemblies 7, the distance between the clamping centers 76 of the two workpiece clamping assemblies 7 is adjusted according to the size of the workpiece, after the adjustment is finished, the workpiece is clamped between the two clamping centers 76, the rapid installation of the workpiece is completed, in the detection process, the driving motor 4 is started, the two first driving rollers 52 are driven to rotate, the two conveying belts 11 are driven to drive, the installed workpiece can be conveyed, in the conveying process, the external gear 71 of the workpiece clamping assembly 7 can be meshed with the meshing rack fixedly installed in the detection machine 1, so that the rotating shaft 72 can be rotated, the workpiece clamped on the workpiece can be driven to rotate, and the rotating clamping center 76 is increased in inertia due to the fact that the counterweight ball 75 is arranged below the clamping center 76.
Through this design, adopt simple structure, can realize the quick installation location to the work piece that is detected, change traditional conveying formula work piece location simultaneously and detect the design, can make the work piece have certain rotation angle momentum when detecting, can improve whole testing result comprehensiveness and precision greatly, and can carry out the batch detection of a plurality of same batch parts through this design, application effect is good.
The reciprocating assembly 8 comprises a sliding block 82, a spring rod 81 is fixedly installed on the outer wall of one side of the sliding block 82, one end of the spring rod 81 is fixedly connected with the inner wall of one side of the detection machine 1, an engagement toothed plate 83 is fixedly installed at the bottom of the sliding block 82, the transmission half gear 53 is in meshed connection with the engagement toothed plate 83, a first engagement toothed rod 84 is fixedly installed on the outer wall of one side of the engagement toothed plate 83, and an extrusion disc 85 is fixedly installed at one end of the first engagement toothed rod 84.
The dust cleaning assembly 9 comprises a first combined fan cover 93 and a second combined fan cover 96, the first combined fan cover 93 and the second combined fan cover 96 are clamped with each other, the sizes of the first combined fan cover 93 and the second combined fan cover 96 are consistent, an air outlet shell 94 is fixedly arranged on the outer parts of the first combined fan cover 93 and the second combined fan cover 96, guide grooves 95 are formed in the inner walls of the first combined fan cover 93 and the second combined fan cover 96, a second meshing toothed bar 91 is rotatably arranged in the first combined fan cover 93 and the second combined fan cover 96, fan blades 92 are fixedly arranged on the outer parts of the second meshing toothed bar 91, the fan blades 92 are located on the inner sides of the first combined fan cover 93 and the second combined fan cover 96, and the first meshing toothed bar 84 and the second meshing toothed bar 91 are connected in a meshed mode.
The specific implementation mode is as follows: when the driving component 5 drives, the transmission half gear 53 of the driving component 5 can drive the meshing toothed plate 83 of the reciprocating component 8 to displace, synchronously drive the first meshing toothed bar 84 to displace to one side, the first meshing toothed bar 84 can drive the second meshing toothed bar 91 of the dust cleaning component 9 to rotate through meshing, the fan blades 92 can be driven to synchronously rotate, the fan blades 92 can generate air flow between the first combined fan cover 93 and the second combined fan cover 96, the air flow can rapidly circulate through the diversion trench 95 and finally be led out through the air outlet shell 94, and when the transmission half gear 53 is disengaged from the meshing toothed plate 83, the spring rod 81 can pull the whole meshing toothed plate 83 to reset and sequentially reciprocate.
Through this structural design, can realize the circulation conduction of air current, the air current of derivation can carry out effective dust blowing to the work piece of conveying, can blow some impurity that store up on the work piece surface and fall, makes the work piece when detecting, can keep its original surface molding to further improve the testing result precision.
The inside of the detection machine 1 is fixedly provided with a fixed-point oil guide assembly 6 through a mounting frame, the fixed-point oil guide assembly 6 is used for lubrication of transmission parts, the fixed-point oil guide assembly 6 comprises an oil storage box 68, an oil injection pipe 67 is fixedly arranged on the outer wall of one side of the oil storage box 68, one end of the oil injection pipe 67 penetrates through and extends to the outer side of the detection machine 1, an oil guide ball 66 is fixedly arranged on the outer wall of the other side of the oil storage box 68 through the oil guide pipe, one end of the oil guide ball 66 is tightly contacted and extruded with the outer surface of the transmission half gear 53, a box cover 65 is fixedly arranged on one side of the box cover 65, a baffle 69 is fixedly arranged on the outer wall of one side of the box cover 65, a sliding hole is formed in the box cover 65, a piston rod 63 is slidably arranged in the sliding hole, two ends of the piston rod 63 are fixedly provided with a side pressing plate 62 and a piston 64 respectively, the side wall of the piston 64 is slidably connected with the side wall of the baffle 69, and a return spring 61 is sleeved outside the piston rod 63.
The specific implementation mode is as follows: during the reciprocating movement of the reciprocating movement assembly 8, the pressing disc 85 at one end of the first meshing toothed bar 84 can press the side pressing plate 62 of the fixed-point oil guiding assembly 6 at fixed time, so that the piston 64 can be controlled to move in the oil storage box 68, and the lubricating oil in the oil storage box 68 can be pushed out through the oil guiding ball 66, and since one end of the oil guiding ball 66 is tightly contacted with and pressed against the outer surface of the transmission half gear 53, the oil guided out by the oil guiding ball 66 can be sent to the transmission half gear 53, so that a good and stable lubricating effect is generated for the transmission of the transmission half gear 53.
Through this design, can be at the work piece in-process of carrying out transmission detection, realize the automatic fixed point lubrication effect to between the transmission structure to guaranteed overall system's transmission effect, improved transmission efficiency, reduce energy loss.
The invention also discloses a detection method of the visual detection device for detecting the defects of the industrial parts, which comprises the following steps:
s1, when defect detection is carried out on a part, firstly, installing a workpiece, placing the workpiece between two workpiece clamping assemblies 7, adjusting the distance between clamping centers 76 of the two workpiece clamping assemblies 7 according to the size of the workpiece, and after the adjustment is finished, clamping the workpiece between the two clamping centers 76 to finish quick installation of the workpiece;
s2, during detection, the driving motor 4 is started to drive the two first driving rollers 52 to rotate and drive the two conveying belts 11 to drive, so that the installed workpiece can be conveyed, in the conveying process, the external gear 71 of the workpiece clamping assembly 7 positioned can be meshed with a meshing rack fixedly installed in the detection machine 1, so that the rotating shaft 72 rotates, the workpiece clamped on the rotating shaft can be driven to rotate, and as the counterweight ball 75 is arranged below the clamping center 76, the inertia of the rotating clamping center 76 increases, and when the workpiece arrives below the defect detection visual module, the workpiece still continues to rotate, the defect detection visual module can carry out omnibearing defect detection on the rotating workpiece, and the detection result is input to the display screen;
s3, when the driving component 5 drives, the transmission half gear 53 of the driving component 5 can drive the meshing toothed plate 83 of the reciprocating component 8 to displace and synchronously drive the first meshing toothed bar 84 to displace to one side, the first meshing toothed bar 84 can drive the second meshing toothed bar 91 of the dust cleaning component 9 to rotate through meshing action, the fan blades 92 can be driven to synchronously rotate, the fan blades 92 can generate air flow in the first combined fan cover 93 and the second combined fan cover 96, the air flow rapidly circulates through the diversion trench 95 and finally is led out through the air outlet shell 94;
s4, after the transmission half gear 53 is disengaged from the meshing toothed plate 83, the spring rod 81 can pull the whole meshing toothed plate 83 to reset and sequentially reciprocate, so that circulation conduction of air flow is realized, the guided air flow can effectively blow dust on the conveyed workpiece, and some impurities accumulated on the surface of the workpiece can be blown off, so that the original surface shape of the workpiece can be maintained during detection;
s5, in the reciprocating movement process of the reciprocating movement assembly 8, the extrusion disc 85 at one end of the first meshing toothed bar 84 can timely extrude the side pressure plate 62 of the fixed-point oil guide assembly 6, so that the piston 64 can be controlled to move in the oil storage box 68, and lubricating oil in the oil storage box 68 can be pushed out through the oil guide ball 66, and because one end of the oil guide ball 66 is tightly contacted with and extruded from the outer surface of the transmission half gear 53, the oil guided out by the oil guide ball 66 can be sent to the transmission half gear 53, and a good and stable lubricating effect is generated for transmission of the transmission half gear 53.
Working principle: when the defect detection is carried out on the part, firstly, the workpiece is installed, the workpiece is placed between the two workpiece clamping assemblies 7, the distance between the clamping centers 76 of the two workpiece clamping assemblies 7 is adjusted according to the size of the workpiece, and after the adjustment is finished, the workpiece is clamped between the two clamping centers 76, so that the rapid installation of the workpiece is completed; during detection, the driving motor 4 is started to drive the two first driving rollers 52 to rotate to drive the two conveying belts 11 to drive, so that the workpiece after installation can be conveyed, in the conveying process, the external gear 71 of the workpiece clamping assembly 7 positioned can be meshed with the meshing rack fixedly installed in the detection machine 1, so that the rotating shaft 72 is rotated to drive the workpiece clamped on the rotating shaft to rotate, and because the counterweight ball 75 is arranged below the clamping center 76, the inertia of the rotating clamping center 76 is increased, when the workpiece arrives below the defect detection visual module, the workpiece still continues to rotate, the defect detection visual module can carry out omnibearing defect detection on the rotating workpiece, and the detection result is input to the display screen; when the driving component 5 drives, the transmission half gear 53 of the driving component 5 can drive the meshing toothed plate 83 of the reciprocating component 8 to displace and synchronously drive the first meshing toothed bar 84 to displace to one side, the first meshing toothed bar 84 can drive the second meshing toothed bar 91 of the dust cleaning component 9 to rotate through meshing action, the fan blades 92 can be driven to synchronously rotate, the fan blades 92 can generate air flow in the first combined fan cover 93 and the second combined fan cover 96, the air flow is rapidly circulated through the diversion trench 95 and finally led out through the air outlet shell 94; after the transmission half gear 53 is disengaged from the engagement toothed plate 83, the spring rod 81 can pull the integral engagement toothed plate 83 to reset and sequentially reciprocate, so that circulation conduction of air flow is realized, the guided air flow can effectively blow dust on the conveyed workpiece, and some impurities accumulated on the surface of the workpiece can be blown off, so that the original surface shape of the workpiece can be maintained during detection; during the reciprocating movement of the reciprocating movement assembly 8, the pressing disc 85 at one end of the first meshing toothed bar 84 can press the side pressing plate 62 of the fixed-point oil guiding assembly 6 at fixed time, so that the piston 64 can be controlled to move in the oil storage box 68, and the lubricating oil in the oil storage box 68 can be pushed out through the oil guiding ball 66, and since one end of the oil guiding ball 66 is tightly contacted with and pressed against the outer surface of the transmission half gear 53, the oil guided out by the oil guiding ball 66 can be sent to the transmission half gear 53, so that a good and stable lubricating effect is generated for the transmission of the transmission half gear 53.
The present invention is not limited to the above-mentioned embodiments, and any person skilled in the art, based on the technical solution of the present invention and the inventive concept thereof, can be replaced or changed within the scope of the present invention.
Claims (2)
1. The utility model provides a visual inspection device for industrial part defect detection, includes detects machine (1), the inside fixed mounting of detecting machine (1) has defect detection vision module, the bottom fixed mounting of detecting machine (1) has frame (3), one side of detecting machine (1) is provided with part export (2), fixed mounting has driving motor (4) on the opposite side outer wall of detecting machine (1), the output shaft one end of driving motor (4) is provided with drive assembly (5), the inside of detecting machine (1) is rotated through the pivot and is installed second driving roller (10), be provided with conveyer belt (11) on drive assembly (5) and second driving roller (10), its characterized in that: the device is characterized in that a workpiece clamping assembly (7) is arranged on the conveyor belt (11), the workpiece clamping assembly (7) is used for rapidly and stably clamping detected parts, a dust cleaning assembly (9) is fixedly arranged on the inner wall of the top surface of the detector (1) through a connecting rod, the dust cleaning assembly (9) is used for effectively cleaning dust outside the detected parts, a guide rail is fixedly arranged on the inner wall of the top surface of the detector (1), a reciprocating movement assembly (8) is slidably arranged on the guide rail, and the reciprocating movement assembly (8) is used for stably driving the dust cleaning assembly (9);
the workpiece clamping assembly (7) comprises a mounting plate (73), a rotating hole is formed in the mounting plate (73), a rotating shaft (72) is rotatably mounted in the rotating hole, an external gear (71) is fixedly mounted at one end of the rotating shaft (72), and a sleeved spring (74) is fixedly mounted outside the rotating shaft (72);
the outside of the rotating shaft (72) is slidably provided with a clamping center (76), one end of the sleeve spring (74) is fixedly connected with one end of the clamping center (76), the bottom of the clamping center (76) is fixedly provided with a counterweight ball (75) through a connecting rod, the inside of the detecting machine (1) is fixedly provided with a meshing rack, and the external gear (71) is in meshed connection with the meshing rack;
the driving assembly (5) comprises a mounting main shaft (51), one end of the mounting main shaft (51) is fixedly connected with one end of an output shaft of the driving motor (4), a transmission half gear (53) and two first transmission rollers (52) are fixedly arranged outside the mounting main shaft (51), and the transmission half gear (53) is positioned between the two first transmission rollers (52);
the reciprocating assembly (8) comprises a sliding block (82), a spring rod (81) is fixedly arranged on the outer wall of one side of the sliding block (82), one end of the spring rod (81) is fixedly connected with the inner wall of one side of the detection machine (1), an engagement toothed plate (83) is fixedly arranged at the bottom of the sliding block (82), the transmission half gear (53) is in meshed connection with the engagement toothed plate (83), a first engagement toothed rod (84) is fixedly arranged on the outer wall of one side of the engagement toothed plate (83), and a pressing disc (85) is fixedly arranged at one end of the first engagement toothed rod (84);
the dust cleaning assembly (9) comprises a first combined fan cover (93) and a second combined fan cover (96), the first combined fan cover (93) and the second combined fan cover (96) are mutually clamped, the volumes of the first combined fan cover (93) and the second combined fan cover (96) are consistent, and an air outlet shell (94) is fixedly arranged outside each of the first combined fan cover (93) and the second combined fan cover (96);
the inner walls of the first combined fan cover (93) and the second combined fan cover (96) are respectively provided with a diversion trench (95), a second meshing toothed bar (91) is rotatably arranged in the first combined fan cover (93) and the second combined fan cover (96), fan blades (92) are fixedly arranged outside the second meshing toothed bar (91), the fan blades (92) are positioned on the inner sides of the first combined fan cover (93) and the second combined fan cover (96), and the first meshing toothed bar (84) and the second meshing toothed bar (91) are connected in a meshed mode;
the inside of the detection machine (1) is fixedly provided with a fixed-point oil guide assembly (6) through a mounting frame, the fixed-point oil guide assembly (6) is used for lubricating transmission parts, the fixed-point oil guide assembly (6) comprises an oil storage box (68), an oil injection pipe (67) is fixedly arranged on the outer wall of one side of the oil storage box (68), one end of the oil injection pipe (67) penetrates through and extends to the outer side of the detection machine (1), an oil guide ball (66) is fixedly arranged on the outer wall of the other side of the oil storage box (68) through the oil guide pipe, and one end of the oil guide ball (66) is tightly contacted with the outer surface of a transmission half gear (53) and extruded;
a box cover (65) is fixedly arranged on one side of the oil storage box (68), a partition plate (69) is fixedly arranged on the outer wall of one side of the box cover (65), a sliding hole is formed in the box cover (65), a piston rod (63) is slidably arranged in the sliding hole, a side pressing plate (62) and a piston (64) are fixedly arranged at two ends of the piston rod (63) respectively, the side wall of the piston (64) is slidably connected with the side wall of the partition plate (69), and a return spring (61) is sleeved outside the piston rod (63);
in the reciprocating movement process of the reciprocating movement assembly (8), the extrusion disc (85) at one end of the first meshing toothed bar (84) can timely extrude the side pressing plate (62) of the fixed-point oil guide assembly (6), so that the piston (64) can be controlled to move in the oil storage box (68), lubricating oil in the oil storage box (68) can be pushed out through the oil guide ball (66), and as one end of the oil guide ball (66) is tightly contacted with and extruded from the outer surface of the transmission half gear (53), the oil guided out by the oil guide ball (66) can be sent to the transmission half gear (53), so that a good and stable lubricating effect is generated on transmission of the transmission half gear (53).
2. The inspection method of a visual inspection apparatus for inspecting defects of industrial parts according to claim 1, comprising the steps of:
s1, when defect detection is carried out on a part, firstly, installing a workpiece, placing the workpiece between two workpiece clamping assemblies (7), adjusting the distance between clamping centers (76) of the two workpiece clamping assemblies (7) according to the size of the workpiece, and after the adjustment is finished, clamping the workpiece between the two clamping centers (76), so that quick installation of the workpiece is completed;
s2, during detection, a driving motor (4) is started to drive two first driving rollers (52) to rotate and drive two conveying belts (11) to drive, so that a workpiece after installation can be conveyed, in the conveying process, an external gear (71) of a workpiece clamping assembly (7) can be meshed with a meshing rack fixedly installed in the detection machine (1), so that a rotating shaft (72) rotates, a workpiece clamped on the rotating shaft can be driven to rotate, and because a counterweight ball (75) is arranged below a clamping center (76), inertia of the rotating clamping center (76) increases, the workpiece still continues to rotate when the workpiece arrives below a defect detection visual module, the defect detection visual module can carry out all-round defect detection on the rotating workpiece, and a detection result is input to a display screen;
s3, when the driving assembly (5) drives, the transmission half gear (53) of the driving assembly (5) can drive the meshing toothed plate (83) of the reciprocating assembly (8) to displace, synchronously drive the first meshing toothed bar (84) to displace to one side, the first meshing toothed bar (84) can drive the second meshing toothed bar (91) of the dust cleaning assembly (9) to rotate through meshing, the fan blades (92) can be driven to synchronously rotate, the fan blades (92) can generate air flow in the first combined fan cover (93) and the second combined fan cover (96), the air flow rapidly circulates through the diversion trench (95) and finally is led out through the air outlet shell (94);
s4, after the transmission half gear (53) is disengaged from the meshing toothed plate (83), the spring rod (81) can pull the whole meshing toothed plate (83) to reset and sequentially reciprocate to realize circulation conduction of air flow, the guided air flow can effectively blow dust on the conveyed workpiece, and some impurities accumulated on the surface of the workpiece can be blown off, so that the original surface shape of the workpiece can be maintained during detection;
s5, in the reciprocating movement process of the reciprocating movement assembly (8), the extrusion disc (85) at one end of the first meshing toothed bar (84) can timely extrude the side pressing plate (62) of the fixed-point oil guide assembly (6), so that the piston (64) can be controlled to move in the oil storage box (68), lubricating oil in the oil storage box (68) can be pushed out through the oil guide ball (66), and as one end of the oil guide ball (66) is tightly contacted and extruded with the outer surface of the transmission half gear (53), the oil guided out by the oil guide ball (66) can be sent to the transmission half gear (53), so that a good and stable lubricating effect is generated on transmission of the transmission half gear (53).
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| CN116216280B (en) * | 2023-03-31 | 2023-09-01 | 江苏新合益机械有限公司 | Conveying equipment for piston rod surface defect visual inspection equipment |
| CN116626066A (en) * | 2023-07-20 | 2023-08-22 | 天津市职业大学 | Device and method for detecting surface defects of machined finished product |
| CN117664975A (en) * | 2024-02-01 | 2024-03-08 | 黑龙江八一农垦大学 | Corn quality detection device and method based on machine vision |
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