CN114453279A - Visual detection method for support net - Google Patents
Visual detection method for support net Download PDFInfo
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- CN114453279A CN114453279A CN202111548978.8A CN202111548978A CN114453279A CN 114453279 A CN114453279 A CN 114453279A CN 202111548978 A CN202111548978 A CN 202111548978A CN 114453279 A CN114453279 A CN 114453279A
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- 238000001514 detection method Methods 0.000 title claims abstract description 77
- 230000000007 visual effect Effects 0.000 title claims abstract description 49
- 230000007246 mechanism Effects 0.000 claims description 85
- 238000011179 visual inspection Methods 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 13
- 238000007689 inspection Methods 0.000 claims description 8
- 230000002950 deficient Effects 0.000 claims description 3
- 235000003642 hunger Nutrition 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 4
- 230000005540 biological transmission Effects 0.000 description 16
- 230000009467 reduction Effects 0.000 description 10
- 238000003825 pressing Methods 0.000 description 5
- 239000008280 blood Substances 0.000 description 4
- 210000004369 blood Anatomy 0.000 description 4
- 239000000969 carrier Substances 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000010836 blood and blood product Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/34—Sorting according to other particular properties
- B07C5/342—Sorting according to other particular properties according to optical properties, e.g. colour
- B07C5/3422—Sorting according to other particular properties according to optical properties, e.g. colour using video scanning devices, e.g. TV-cameras
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/02—Measures preceding sorting, e.g. arranging articles in a stream orientating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/36—Sorting apparatus characterised by the means used for distribution
- B07C5/361—Processing or control devices therefor, e.g. escort memory
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/36—Sorting apparatus characterised by the means used for distribution
- B07C5/361—Processing or control devices therefor, e.g. escort memory
- B07C5/362—Separating or distributor mechanisms
Abstract
The invention provides a visual detection method for a support net, which divides visual detection devices into four groups, wherein two groups are arranged on an upper disc, the other two groups are arranged on a lower disc, the two groups of visual detection devices arranged on the upper disc are oppositely arranged, the two groups of visual detection devices arranged on the lower disc are oppositely arranged, parameters are set for the visual detection devices, the upper disc visual detection devices and the lower disc visual detection devices detect different visual detection contents of a product, each group of visual detection devices is provided with M cameras for carrying out photographing detection on the support net, wherein M is more than or equal to 2, and sensors detect the passing time and the number of the support net in motion and feed back the passing time and the number to a microprocessor. The invention can accurately detect the support net and effectively and accurately detect the conditions of damage, dirt, material shortage and the like of the support net.
Description
Technical Field
The invention relates to the technical field of visual detection, in particular to a visual detection method for a support net.
Background
A support net, also called a disposable blood transfusion filter net, belongs to the category of extracorporeal circulation and blood treatment equipment, is configured in a disposable blood transfusion device dropping funnel and is used for filtering blood and blood products, impurities are filtered by the support net, and harmful substances in the blood are reduced. The defects of low efficiency, high false detection and omission rate, easy fatigue of personnel and the like exist in the prior visual inspection by naked eyes, and the method for detecting effectively improves the defects of the visual inspection by the naked eyes.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a visual detection method for a support net aiming at the defects in the prior art, and the visual detection method for the support net has the characteristics of simple structure, novel design, low manufacturing cost and strong practicability.
The technical scheme adopted by the invention for solving the technical problem is as follows:
a visual inspection method for a stent mesh, the inspection method comprising the steps of:
s1: dividing the visual detection device into four groups, wherein two groups are arranged on the upper disc, and the other two groups are arranged on the lower disc;
s2: the two groups of visual detection devices arranged on the upper disc are arranged oppositely, and the two groups of visual detection devices arranged on the lower disc are arranged oppositely;
s3: setting parameters of visual detection devices, detecting different visual detection contents of products by an upper visual detection device and a lower visual detection device, wherein each set of visual detection devices is provided with M cameras for shooting detection of the support net, and M is more than or equal to 2;
s3: the sensor detects the time and the quantity of the passing of the bracket net in motion and feeds back the time and the quantity to the microprocessor;
s4: recording initial position information of each support net passing through the sensor, feeding back the initial position information to the microprocessor, and tracking the moving distance of the support net;
s5: when the moving distance of each support net on the lower disc carrier reaches a set value corresponding to the support net, the photoelectric sensor sends an instruction to the microprocessor, the microprocessor sends an instruction to a camera corresponding to the lower disc to photograph the support net, and the camera returns a detection result of the support net pair to the microprocessor when detecting each support net;
s6: the support net on the lower disc carrier conveys the support net to the upper disc carrier through the turntable;
s7: when the moving distance of each support net on the upper disc carrier reaches a set value corresponding to the support net, the photoelectric sensor sends an instruction to the microprocessor, the microprocessor sends an instruction to the camera corresponding to the upper disc to photograph the support net, and the camera returns the detection result of the support net pair to the microprocessor when completing the detection of each support net;
s8: and the microprocessor sends an instruction to a rejecting mechanism on the upper plate to distinguish good products from defective products according to the information collected by the upper plate visual detection device and the lower plate visual detection device.
Further, the visual detection content of the bracket net comprises one or any combination of more than two of breakage detection, smudging detection, material shortage detection and feature matching of the product.
Further, each set of visual inspection devices is provided with the same number of cameras.
Further, the carrier of the upper tray supporting the rack net is different in color from the carrier of the lower tray supporting the rack net.
Further, the carrier of the upper tray supporting the rack net is white, the carrier of the lower tray supporting the rack net is black or the carrier of the upper tray supporting the rack net is black, and the carrier of the lower tray supporting the rack net is white.
Further, the initial position information of the product is returned when the camera does not complete the detection of the product in the steps S5 and 7, and the microprocessor controls a rejecting device to reject the product which does not complete the detection according to the initial position information.
Further, if the information of the initial position of the camera returning to the detection bracket network is overtime in the steps S5 and 7, or the detection result of the product returned by the camera is overtime, the microprocessor controls the alarm device to give an alarm.
Compared with the prior art, the invention has the following advantages:
1. the invention has no manpower participation in the whole process, reduces the labor intensity of workers and improves the benefit.
2. The invention can accurately detect the support net and effectively and accurately detect the conditions of damage, dirt, material shortage and the like of the support net.
Drawings
FIG. 1 is an overall block diagram of the present invention;
FIG. 2 is a top view of the present invention;
FIG. 3 is a structural view of an upper tray of the present invention;
FIG. 4 is a structural view of the locking mechanism of the present invention;
FIG. 5 is a view showing the position of the upper and lower discs and the speed reducing mechanism according to the present invention;
FIG. 6 is a structural view of a speed reducing mechanism of the present invention;
FIG. 7 is a schematic view of an image capturing mechanism according to the present invention;
FIG. 8 is a view of the rejection mechanism of the present invention;
fig. 9 is a view showing the construction of a transfer rail of the present invention;
FIG. 10 is a view of the pushing mechanism of the present invention;
fig. 11 is a structural view of a feeding mechanism of the present invention.
Wherein, 1 hanging plate, 2 image capturing mechanism, 2-1 vertical rod, 2-2 horizontal rod, 2-3 first connecting piece, 2-4 horizontal rod, 2-5 camera, 2-6 light source, 2-7 first connecting piece, 3-feeding mechanism, 3-1 outer plate, 3-1-1 containing cavity, 3-1-2 through hole, 3-1-3 annular concave cavity, 3-2 inner plate, 3-2-1 groove, 3-3 positioning plate, 3-3-1 long groove, 3-4 rotating shaft, 3-5 connecting rod, 3-6 base, 3-7 driving mechanism, 4-transmission track, 4-1 track bottom plate, 4-2 left side plate, 4-3 right side plate, 4-4 convex column, 4-5 square hole, 4-6 elongated holes, 4-7 connecting pieces, 4-8 conveyors, 5-pushing mechanisms, 5-1 supporting bodies, 5-2 driving mechanisms, 5-3 sliding rails, 5-4 push rods, 5-5 driving wheels, 5-6 belts, 5-7 follow-up wheels, 5-8 bearing bodies, 5-9 fixing blocks, 5-10 pressing plates, 5-11 shields, 5-12 elongated holes, 6-eliminating mechanisms, 6-1 supports, 6-2 air cylinders, 6-3 push plates, 6-4 friction mechanisms, 6-4-1 supporting parts, 6-4-2 bearing parts, 6-4-3 friction parts, 7-speed reducing mechanisms, 7-1 bearing blocks, 7-2 supporting plates and 7-3 tensioning wheels, 7-4 first speed-reducing belt wheels, 7-5 first speed-reducing belt wheels, 7-6 supporting wheels, 7-7 speed-reducing belts, 8 locking mechanisms, 8-1 rotating cylinders, 8-2 connecting shafts, 8-3 bearing supports, 8-4 rotating shafts, 8-5 locking rods, 9 lower discs, 10 carriers, 11 rotating discs, 12 tracks and 13 conveying belts.
Detailed Description
The following description of the embodiments of the present invention refers to the accompanying drawings and examples:
it should be noted that the structures, proportions, sizes, and other dimensions shown in the drawings and described in the specification are only for the purpose of understanding and reading the present disclosure, and are not intended to limit the scope of the present disclosure, which is defined by the following claims, and any modifications of the structures, changes in the proportions and adjustments of the sizes, without affecting the efficacy and attainment of the same, are intended to fall within the scope of the present disclosure.
In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.
A visual inspection method for a stent mesh, the inspection method comprising the steps of:
s1: dividing the visual detection devices into four groups, wherein two groups are arranged on the upper disc, and the other two groups are arranged on the lower disc;
s2: the two groups of visual detection devices arranged on the upper disc are arranged oppositely, and the two groups of visual detection devices arranged on the lower disc are arranged oppositely;
s3: setting parameters of visual detection devices, detecting different visual detection contents of products by an upper visual detection device and a lower visual detection device, wherein each set of visual detection devices is provided with M cameras for shooting detection of the support net, and M is more than or equal to 2;
s3: the sensor detects the time and the quantity of the passing of the bracket net in motion and feeds back the time and the quantity to the microprocessor;
s4: recording initial position information of each support net passing through the sensor, feeding back the initial position information to the microprocessor, and tracking the moving distance of the support net;
s5: when the moving distance of each support net on the lower disc carrier reaches a set value corresponding to the support net, the photoelectric sensor sends an instruction to the microprocessor, the microprocessor sends an instruction to a camera corresponding to the lower disc to photograph the support net, and the camera returns a detection result of the support net pair to the microprocessor when detecting each support net;
s6: the support net on the lower disc carrier conveys the support net to the upper disc carrier through the turntable;
s7: when the moving distance of each support net on the upper disc carrier reaches a set value corresponding to the support net, the photoelectric sensor sends an instruction to the microprocessor, the microprocessor sends an instruction to the camera corresponding to the upper disc to photograph the support net, and the camera returns the detection result of the support net pair to the microprocessor when completing the detection of each support net;
s8: and the microprocessor sends an instruction to a rejecting mechanism on the upper plate to distinguish good products from defective products according to the information collected by the upper plate visual detection device and the lower plate visual detection device.
Specifically, the visual detection content of the stent mesh comprises one or any combination of more than two of breakage detection, smudging detection, material shortage detection and feature matching of the product.
Specifically, each set of visual detection devices is provided with the same number of cameras.
Specifically, the carrier of the upper tray supporting the rack net is different in color from the carrier of the lower tray supporting the rack net.
Specifically, the carrier for the upper tray to support the rack net is white, the carrier for the lower tray to support the rack net is black, or the carrier for the upper tray to support the rack net is black, and the carrier for the lower tray to support the rack net is white.
Specifically, the initial position information of the product is returned when the camera does not complete the detection of the product in the steps S5 and 7, and the microprocessor controls the rejecting device to reject the product that is not completely detected according to the initial position information.
Specifically, if the information of the initial position of the camera returning to the detection bracket network is overtime in the steps S5 and 7, or the detection result of the product returned by the camera is overtime, the microprocessor controls the alarm device to alarm.
A visual detection device for a support net comprises a transmission rail 4, an upper disc 1, a lower disc 9, a pushing mechanism 5, a feeding mechanism 3, an image capturing mechanism 2, a removing mechanism 6 and a carrier 10;
the upper tray 1 and the lower tray 9 are identical in size and are arranged in parallel up and down; the upper tray 1 and the lower tray 9 are respectively provided with a track 12 for a carrier to slide, the upper tray 1 and the lower tray 9 are respectively provided with a transmission belt 13 for pushing the carrier to move, the transmission belt 13 is connected with a plurality of carriers 10, and the transmission belt 10 is driven by a motor;
a turntable 11 is arranged between the upper disc 1 and the lower disc 9, the turntable 11 is used for transferring the support net from the carrier 10 of the lower disc 9 to the carrier 10 of the upper disc 1, a through hole is formed in the edge of the surface of the turntable 11, a sleeve 11-1 for accommodating the support net is arranged in the through hole, a pushing mechanism 5 is arranged on the outer side of the turntable 11 and used for pushing the support net to the carrier 10 of the upper disc 1, and a pushing mechanism 5 is arranged on the inner side of the turntable 11 and used for pushing the support net to the turntable 11 from the carrier 10 of the lower disc 9;
the carrier 10 is used for supporting and bearing a support net;
the input end of the transmission track 4 is connected with the output end of the vibration disc, and the output end of the transmission track 4 is connected with the input end of the feeding mechanism 3;
the feeding mechanism 3 is arranged at the outer side of the lower disc 9, the feeding mechanism 3 is used for conveying the support net on the conveying track 4 to a carrier 10 of the lower disc 9, and the output end of the feeding mechanism 3 is provided with a pushing mechanism 5 used for pushing the support net to the carrier 10 of the lower disc 9;
the image capturing mechanism 2 is respectively arranged at the outer sides of the upper disc 1 and the lower disc 2, and is used for photographing and acquiring data of the support network supported by the carrier 10 when the support network passes through the upper disc 1 and the lower disc 9.
The rejecting mechanism 6 is arranged at the tail end of the upper disc and used for rejecting bad support nets.
Specifically, the conveying track 4 comprises a track bottom plate 4-1, a left side plate 4-2, a right side plate 4-3 and a conveyor 4-8; the conveyor 4-8 is arranged at the bottom of the track bottom plate 4-1, the left side plate 4-2 is arranged on the left side of the track bottom plate 4-1, and the right side plate 4-3 is arranged on the right side of the track bottom plate 4-1.
Specifically, the pushing mechanism 5 comprises a supporting body 5-1, a driving mechanism 5-2, a sliding rail 5-3 and a push rod 5-4; a driving mechanism 5-2 is arranged on one side of the upper part of the supporting body 5-1, a driving wheel 5-5 is fixed on an output shaft of the driving mechanism 5-2, the driving wheel 5-5 is connected with one end of a belt 5-6, the other end of the belt 5-6 is connected with a follower wheel 5-7, the follow-up wheel 5-7 is fixed at the other end of the support body 5-1, the lower part of the belt 5-6 is provided with a slide rail 5-3, a sliding block matched with the sliding rail 5-3 is arranged on the sliding rail 5-3, a bearing body 5-8 is arranged on the sliding block, the top surface of the bearing body 5-8 is fixedly connected with the belt 5-6 through a pressing plate 5-10 in a pressing way, the push rod 5-4 is fixed on the bearing body 5-1 through a fixing block 5-9.
Specifically, the image capturing mechanism 2 comprises a supporting seat 2-1, a vertical rod 2-2, a cross rod 2-4, a camera 2-5 and a light source 2-6; the supporting seat 2-1 is fixedly connected with the upper disc and the lower disc, the supporting seat 2-1 is connected with a vertical rod 2-2, the upper portion of the vertical rod 2-2 is movably connected with a first connecting piece 2-3, the first connecting piece 2-3 is movably connected with a camera 2-5, the lower portion of the vertical rod 2-2 is movably connected with a second connecting piece 2-7, and the second connecting piece 2-7 is movably connected with a light source 2-6.
Specifically, the feeding mechanism 3 comprises an outer disc 3-1 and an inner disc 3-2; a plurality of grooves 3-2-1 are uniformly formed in the outer circumferential surface of the inner disc 3-2; the outer disc 3-1 is of a hollow circular ring structure, the outer disc 3-1 is sleeved on the outer side of the inner disc 3-2, accommodating cavities 3-1-1 capable of accommodating a support net are uniformly formed in the outer circumferential surface of the outer disc 3-1, a through hole 3-1-2 is correspondingly formed in the lower portion of each accommodating cavity 3-1-1, and the through holes 3-1-2 are communicated with the bottom wall of the accommodating cavities 3-1-1.
Specifically, the device also comprises a locking mechanism 8, wherein the locking mechanism is respectively arranged between the feeding mechanism and the lower disc, between the lower disc and the turntable and between the turntable and the upper disc, and comprises a rotary cylinder 8-1, a connecting shaft 8-2, a rotating shaft 8-4 and a bearing support 8-3; the output end of the rotary cylinder 8-1 is connected with one end of a connecting shaft 8-2, the other end of the connecting shaft 8-2 is connected with a rotating shaft 8-4, two ends of the rotating shaft 8-4 are rotatably connected with a bearing support 8-3, a locking rod 8-5 is connected onto the rotating shaft 8-4, and the tail end of the locking rod 8-5 is matched with the opening of the carrier.
Specifically, the removing mechanism 6 comprises a bracket 6-1, a cylinder 6-2, a push plate 6-3 and a friction mechanism 6-4; the two supports 6-1 are arranged on the upper surface of the upper disc 1 side by side, the two supports 6-1 are respectively provided with an air cylinder 6-2, the telescopic end of the air cylinder 6-2 is connected with a support rod 6-6, the other end of the support rod 6-6 is connected with a push plate 6-3, and the lower part of the push plate 6-3 is provided with two friction mechanisms 6-4.
Specifically, the speed reducing mechanism 7 comprises a bearing block 7-1, a support plate 7-2 and a speed reducing belt 7-7; a support plate 7-2 is fixed on the bearing block 7-1, a first speed reduction belt wheel 7-4, a first speed reduction belt wheel 7-5, a tension wheel 7-3 and a support wheel 7-6 are arranged on the support plate 7-2, and the speed reduction belt 7-7 is sleeved on the first speed reduction belt wheel 7-4, the first speed reduction belt wheel 7-5, the tension wheel 7-3 and the support wheel 7-6.
Referring to fig. 1 and 2, fig. 1 and 2 illustrate the overall structure of the present invention, which includes a conveying track 4, an upper tray 1, a lower tray 9, a pushing mechanism 5, a feeding mechanism 3, an image capturing mechanism 2, a removing mechanism 6, and a carrier 10; the upper tray 1 and the lower tray 9 are identical in size and are arranged in parallel up and down; the upper tray 1 and the lower tray 9 are respectively provided with a track 12 for a carrier to slide, the upper tray 1 and the lower tray 9 are respectively provided with a transmission belt 13 for pushing the carrier to move, the transmission belt 13 is connected with a plurality of carriers 10, and the transmission belt 10 is driven by a motor; a turntable 11 is arranged between the upper disc 1 and the lower disc 9, the turntable 11 is used for transferring the support net from the carrier 10 of the lower disc 9 to the carrier 10 of the upper disc 1, a through hole is formed in the edge of the surface of the turntable 11, a sleeve 11-1 for accommodating the support net is arranged in the through hole, a pushing mechanism 5 is arranged on the outer side of the turntable 11 and used for pushing the support net to the carrier 10 of the upper disc 1, and a pushing mechanism 5 is arranged on the inner side of the turntable 11 and used for pushing the support net to the turntable 11 from the carrier 10 of the lower disc 9; the carrier 10 is used for supporting and bearing a support net; the input end of the transmission track 4 is connected with the output end of the vibration disc, and the output end of the transmission track 4 is connected with the input end of the feeding mechanism 3; the feeding mechanism 3 is arranged at the outer side of the lower disc 9, the feeding mechanism 3 is used for conveying the support net on the conveying track 4 to a carrier 10 of the lower disc 9, and the output end of the feeding mechanism 3 is provided with a pushing mechanism 5 used for pushing the support net to the carrier 10 of the lower disc 9; the image capturing mechanism 2 is respectively arranged at the outer sides of the upper disc 1 and the lower disc 2 and used for photographing and acquiring data of the support net supported and born by the carrier 10 when the support net passes through the upper disc 1 and the lower disc 9, and the rejecting mechanism 6 is arranged at the tail end of the upper disc and used for rejecting bad support nets.
Referring to fig. 3, fig. 3 illustrates the upper plate structure, wherein the upper plate 1 and the lower plate 9 have the same size and are arranged in parallel up and down; the upper disc 1 and the lower disc 9 are respectively provided with a track 12 for a carrier to slide, the upper disc 1 and the lower disc 9 are respectively provided with a transmission belt 13 for pushing the carrier to move, the transmission belt 13 is connected with a plurality of carriers 10, the transmission belt 10 is driven by a motor, and the locking mechanisms 8 are respectively arranged between the feeding mechanism and the lower disc, between the lower disc and the rotary disc and between the rotary disc and the upper disc.
Referring to fig. 4, fig. 4 illustrates a locking mechanism including a rotary cylinder 8-1, a connecting shaft 8-2, a rotating shaft 8-4, and a bearing support 8-3; the output end of the rotary cylinder 8-1 is connected with one end of a connecting shaft 8-2, the other end of the connecting shaft 8-2 is connected with a rotating shaft 8-4, two ends of the rotating shaft 8-4 are rotatably connected with a bearing support 8-3, a locking rod 8-5 is connected onto the rotating shaft 8-4, and the tail end of the locking rod 8-5 is matched with the opening of the carrier.
Referring to fig. 5 and 6, fig. 4 illustrates the structure of the speed reducing mechanism of the present invention, which includes a bearing block 7-1, a fulcrum plate 7-2 and a speed reducing belt 7-7; a support plate 7-2 is fixed on the bearing block 7-1, a first speed reduction belt wheel 7-4, a first speed reduction belt wheel 7-5, a tension wheel 7-3 and a support wheel 7-6 are arranged on the support plate 7-2, and the speed reduction belt 7-7 is sleeved on the first speed reduction belt wheel 7-4, the first speed reduction belt wheel 7-5, the tension wheel 7-3 and the support wheel 7-6.
Referring to fig. 7, fig. 7 illustrates a structure of the image capturing mechanism, wherein the image capturing mechanism 2 includes a supporting base 2-1, a vertical rod 2-2, a cross rod 2-4, a camera 2-5 and a light source 2-6; the supporting seat 2-1 is fixedly connected with the upper disc and the lower disc, the supporting seat 2-1 is connected with a vertical rod 2-2, the upper portion of the vertical rod 2-2 is movably connected with a first connecting piece 2-3, the first connecting piece 2-3 is movably connected with a camera 2-5, the lower portion of the vertical rod 2-2 is movably connected with a second connecting piece 2-7, and the second connecting piece 2-7 is movably connected with a light source 2-6.
Referring to fig. 8, fig. 8 is a structural diagram of a removing mechanism, wherein the removing mechanism 6 comprises a bracket 6-1, a cylinder 6-2, a push plate 6-3 and a friction mechanism 6-4; the two supports 6-1 are arranged on the upper surface of the upper disc 1 side by side, the two supports 6-1 are respectively provided with an air cylinder 6-2, the telescopic end of the air cylinder 6-2 is connected with a support rod 6-6, the other end of the support rod 6-6 is connected with a push plate 6-3, and the lower part of the push plate 6-3 is provided with two friction mechanisms 6-4.
Referring to fig. 9, fig. 9 is a structural view of a transfer rail of the present invention, the transfer rail 4 includes a rail base plate 4-1, a left side plate 4-2, a right side plate 4-3, and a conveyor 4-8; the conveyor 4-8 is arranged at the bottom of the track bottom plate 4-1, the left side plate 4-2 is arranged on the left side of the track bottom plate 4-1, and the right side plate 4-3 is arranged on the right side of the track bottom plate 4-1.
Referring to fig. 10, fig. 10 is a structural diagram of a pushing mechanism of the present invention, wherein the pushing mechanism 5 includes a supporting body 5-1, a driving mechanism 5-2, a sliding rail 5-3 and a pushing rod 5-4; a driving mechanism 5-2 is arranged on one side of the upper part of the supporting body 5-1, a driving wheel 5-5 is fixed on an output shaft of the driving mechanism 5-2, the driving wheel 5-5 is connected with one end of a belt 5-6, the other end of the belt 5-6 is connected with a follower wheel 5-7, the follow-up wheel 5-7 is fixed at the other end of the support body 5-1, the lower part of the belt 5-6 is provided with a slide rail 5-3, a sliding block matched with the sliding rail 5-3 is arranged on the sliding rail 5-3, a bearing body 5-8 is arranged on the sliding block, the top surface of the bearing body 5-8 is fixedly connected with the belt 5-6 through a pressing plate 5-10 in a pressing way, the push rod 5-4 is fixed on the bearing body 5-1 through a fixing block 5-9.
Referring to fig. 11, fig. 11 is a structural view of a feeding mechanism of the present invention, wherein the feeding mechanism 3 comprises an outer tray 3-1 and an inner tray 3-2; a plurality of grooves 3-2-1 are uniformly formed in the outer circumferential surface of the inner disc 3-2; the outer disc 3-1 is of a hollow circular ring structure, the outer disc 3-1 is sleeved on the outer side of the inner disc 3-2, accommodating cavities 3-1-1 capable of accommodating a support net are uniformly formed in the outer circumferential surface of the outer disc 3-1, a through hole 3-1-2 is correspondingly formed in the lower portion of each accommodating cavity 3-1-1, and the through holes 3-1-2 are communicated with the bottom wall of the accommodating cavities 3-1-1.
The operation principle is as follows: the support net enters the transmission track through the vibrating disc, when the support net slides from the input end to the output end of the transmission track, the air nozzle blows the support net into the containing cavity of the outer disc, the support net rotates along with the outer disc, when the support net reaches a designated position, the pushing mechanism pushes the support net onto a support net carrier through the push rod, the support net moves along with the carrier, the support net is kept still through the speed reducing mechanism, when the carrier passes through the image taking mechanism of the lower disc, the image taking mechanism takes pictures of the support net, when the carrier continues to move to the position of the rotary disc, the pushing mechanism pushes the support net into the sleeve, the support net rotates along with the rotary disc, when the designated position is reached, the pushing mechanism pushes the support net onto the carrier from the sleeve, the support net moves along with the carrier of the upper disc, when the carrier reaches the image taking mechanism, the image taking mechanism takes pictures of the support net, the support net continues to move, the image taking mechanism transmits the picture taking information to the microprocessor, the microprocessor gives an instruction to the rejecting mechanism to reject and separate the good support net and the bad support net.
Although the preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present invention.
Many other changes and modifications may be made without departing from the spirit and scope of the invention. It is to be understood that the invention is not to be limited to the specific embodiments, but only by the scope of the appended claims.
Claims (7)
1. A visual inspection method for a stent mesh, characterized by: the detection method comprises the following steps:
s1: dividing the visual detection devices into four groups, wherein two groups are arranged on the upper disc, and the other two groups are arranged on the lower disc;
s2: the two groups of visual detection devices arranged on the upper disc are arranged oppositely, and the two groups of visual detection devices arranged on the lower disc are arranged oppositely;
s3: setting parameters of visual detection devices, detecting different visual detection contents of products by an upper visual detection device and a lower visual detection device, wherein each set of visual detection devices is provided with M cameras for shooting detection of the support net, and M is more than or equal to 2;
s3: the sensor detects the time and the quantity of the passing of the bracket net in motion and feeds back the time and the quantity to the microprocessor;
s4: recording initial position information of each support net passing through the sensor, feeding the initial position information back to the microprocessor, and tracking the moving distance of the support net;
s5: when the moving distance of each support net on the lower disc carrier reaches a set value corresponding to the support net, the photoelectric sensor sends an instruction to the microprocessor, the microprocessor sends an instruction to a camera corresponding to the lower disc to photograph the support net, and the camera returns a detection result of the support net pair to the microprocessor when detecting each support net;
s6: the support net on the lower disc carrier conveys the support net to the upper disc carrier through the turntable;
s7: when the moving distance of each support net on the upper disc carrier reaches a set value corresponding to the support net, the photoelectric sensor sends an instruction to the microprocessor, the microprocessor sends an instruction to the camera corresponding to the upper disc to photograph the support net, and the camera returns the detection result of the support net pair to the microprocessor when completing the detection of each support net;
s8: and the microprocessor sends an instruction to a rejecting mechanism on the upper plate to distinguish good products from defective products according to the information collected by the upper plate visual detection device and the lower plate visual detection device.
2. The visual inspection method for stent nets of claim 1, wherein the visual inspection content of the stent nets comprises one or any combination of two or more of breakage inspection of products, smudging inspection of products, starving inspection of products, feature matching.
3. The visual inspection method for stent nets of claim 1, wherein each set of visual inspection devices is provided with the same number of said cameras.
4. The visual inspection method for a rack net according to claim 1, wherein the carrier of the upper tray supporting the rack net is different in color from the carrier of the lower tray supporting the rack net.
5. The visual inspection method for rack net according to claim 1, wherein the carrier of the upper tray supporting the rack net is white, the carrier of the lower tray supporting the rack net is black or the carrier of the upper tray supporting the rack net is black, and the carrier of the lower tray supporting the rack net is white.
6. The visual inspection method for stent nets according to claim 1, wherein the camera returns initial position information of the product when the inspection of the product is not completed in the steps of S5 and 7, and the microprocessor controls a rejecting device to reject the product which is not completed to be inspected, based on the initial position information.
7. The visual inspection method for stent nets according to claim 6, wherein the initial position information that the camera returns to its inspection stent net is overtime in the steps S5 and 7, or the inspection result that the camera returns to the product is overtime, the microprocessor controls the alarm device to alarm.
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| CN202111548978.8A CN114453279A (en) | 2021-12-17 | 2021-12-17 | Visual detection method for support net |
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