CN115041417A - Bottle blank CCD defect detection method - Google Patents
Bottle blank CCD defect detection method Download PDFInfo
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- CN115041417A CN115041417A CN202110257483.3A CN202110257483A CN115041417A CN 115041417 A CN115041417 A CN 115041417A CN 202110257483 A CN202110257483 A CN 202110257483A CN 115041417 A CN115041417 A CN 115041417A
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- 238000001514 detection method Methods 0.000 title claims abstract description 31
- 230000007547 defect Effects 0.000 title claims abstract description 27
- 230000002950 deficient Effects 0.000 claims abstract description 28
- 230000007246 mechanism Effects 0.000 claims description 109
- 239000000463 material Substances 0.000 claims description 80
- 210000001161 mammalian embryo Anatomy 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 9
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 210000002257 embryonic structure Anatomy 0.000 abstract 1
- 239000000047 product Substances 0.000 description 20
- 239000013589 supplement Substances 0.000 description 6
- 238000007664 blowing Methods 0.000 description 5
- 230000000670 limiting effect Effects 0.000 description 5
- 230000000712 assembly Effects 0.000 description 4
- 238000000429 assembly Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 208000003464 asthenopia Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 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
- B07C5/02—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
- B07C5/34—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
- B07C5/36—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
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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
- B07C2501/00—Sorting according to a characteristic or feature of the articles or material to be sorted
- B07C2501/0045—Return vending of articles, e.g. bottles
Abstract
The invention discloses a bottle blank CCD defect detection method, which comprises the following steps: s1, introducing bottle blanks; s2, conveying bottle blanks; s3, acquiring a bottle bottom image; s4, comparing the bottom images; s5, transferring bottle blanks; s6, obtaining a bottle mouth image; s7, comparing the bottleneck images; s8, obtaining a bottle body image; s9, comparing the bottle body images; s10, removing bottle embryos; in the invention, images of the bottle bottom, the bottle mouth and the bottle body of the bottle blank are respectively obtained, then the images at all positions are sequentially compared with the pattern template for detection, so that whether all the positions of the bottle blank are normal or not is judged, and the bottle blank is removed under the condition of detecting that the bottle blank is unqualified, so that defective products are distinguished, the production quality is ensured, manpower can be replaced, the production efficiency is improved, and the condition of working errors can be reduced.
Description
Technical Field
The invention relates to the field of defective bottle blank product elimination, in particular to a bottle blank CCD defect detection method.
Background
At present, after the bottle blanks are produced, not all the bottle blanks meet the quality requirement, for example, stains exist on some bottle blanks or the shapes of the bottle blanks have problems, and the bottle blanks are defective products, namely, the defective bottle blanks need to be removed.
In the prior art, the distinguishing of defective bottle blanks and the subsequent sorting and removing are basically completed manually, a relatively perfect method is not provided for analyzing and judging the defective bottle blanks, so that the defective bottle blanks are removed under the condition that the bottle blanks have product problems, the problem of low working efficiency exists, the bottle blanks are worked for a long time, the workers can generate visual fatigue, the working strength of the workers is high, and the problem that the overall quality of the bottle blanks is influenced by working errors easily occurs.
Disclosure of Invention
The invention aims to provide a bottle blank CCD defect detection method aiming at the defects in the prior art so as to achieve the aim of automatically detecting bottle blanks.
The technical scheme adopted by the invention is as follows: a bottle blank CCD defect detection method comprises the following steps:
s1, guiding the bottle blanks generated after processing into a material guide block, and orderly arranging the bottle blanks in the material guide block;
s2, sequentially conveying the bottle blanks in the material guide block through the first conveying mechanism, and conveying the bottle blanks to the second conveying mechanism;
s3, obtaining a bottle bottom image of the bottle blank in the first conveying mechanism;
s4, comparing the bottle bottom image with the bottle bottom graphic template; under the condition that the bottle bottom image does not correspond to the bottle bottom graph template, marking the corresponding bottle embryo as a bottle embryo with a defective bottle bottom; under the condition that the bottle bottom image corresponds to the bottle bottom graphic template, marking the corresponding bottle blank as a bottle blank with a normal bottle bottom;
s5, transferring the bottle blanks on the first conveying mechanism to a second conveying mechanism, and sequentially conveying the bottle blanks through the second conveying mechanism;
s6, obtaining a bottle mouth image of a bottle blank with a normal bottle bottom in the second conveying mechanism;
s7, comparing the bottle mouth image with the bottle mouth graphic template; under the condition that the bottle mouth image does not correspond to the bottle mouth image template, marking the normal bottle blank at the corresponding bottle bottom as a bottle blank with a defective bottle mouth; under the condition that the bottle mouth image corresponds to the bottle mouth image template, marking the corresponding bottle bottom normal bottle blank as a bottle mouth normal bottle blank;
s8, obtaining a body image of the bottle blank with the normal bottle mouth;
s9, comparing the bottle body image with the bottle body graph template; under the condition that the bottle body image does not correspond to the bottle body graph template, marking the corresponding bottle mouth normal bottle blank as a bottle blank with a defective bottle body; under the condition that the bottle body image corresponds to the bottle body graphic template, marking the corresponding bottle mouth normal bottle blank as a bottle body normal bottle blank;
s10, conveying the bottle blank with normal bottle body to the finished product conveying track, and removing the bottle blank with bottle bottom defect, bottle mouth defect or bottle body defect to the defective product conveying track.
Further, in step S3, a bottom image of the bottle blank in the first conveying mechanism is obtained by the bottom CCD camera.
Further, in step S6, a bottleneck image of the normal bottle blank at the bottom of the bottle in the second conveying mechanism is obtained by the bottleneck CCD camera.
Further, in step S8, a body CCD camera is used to obtain a body image of the normal bottle preform.
Further, in step S5, a plurality of bottle sucking mechanisms are mounted on the second conveying mechanism, and the bottle blanks on the first conveying mechanism are sucked by the bottle sucking mechanisms, so that the bottle blanks are sequentially conveyed.
Further, in step S10, a rejecting mechanism is installed on the second conveying mechanism, and the bottle blanks on the bottle sucking mechanism are blown down to the defective product conveying rail or the finished product conveying rail by the rejecting mechanism.
In conclusion, the invention has the following beneficial effects: in the invention, images of the bottle bottom, the bottle mouth and the bottle body of the bottle blank are respectively obtained, then the images at all positions are sequentially compared with the pattern template for detection, so that whether all the positions of the bottle blank are normal or not is judged, and the bottle blank is removed under the condition of detecting that the bottle blank is unqualified, so that defective products are distinguished, the production quality is ensured, manpower can be replaced, the production efficiency is improved, and the condition of working errors can be reduced.
Drawings
FIG. 1 is a schematic flow diagram of the present invention;
FIG. 2 is a schematic structural view of the mechanisms of the present invention;
FIG. 3 is a top view of the various mechanisms of the present invention;
FIG. 4 is a schematic view of the structure of the material guiding block of the present invention;
FIG. 5 is a schematic structural diagram of a CCD camera at the bottle mouth of the present invention;
FIG. 6 is a schematic view of the CCD camera of the bottle body of the present invention;
FIG. 7 is a schematic structural view of a first transporting mechanism and a second transporting mechanism according to the present invention;
FIG. 8 is a schematic view of the bottle sucking mechanism of the present invention mounted on the supporting turntable;
fig. 9 is a schematic structural diagram of the bottle sucking mechanism of the present invention.
Wherein, 1, a frame; 2. a material guide block; 201. a material guide chute; 3. a first feeding mechanism; 301. a first gear; 302. a first connecting shaft; 303. a first mounting block; 304. a material conveying turntable; 3041. a card slot; 305. an arc-shaped block; 4. a first detection mechanism; 5. a second detection mechanism; 501. a support bar; 502. a lamp fixing block; 503. a light supplement lamp; 5031. an inner bore; 504. a camera fixing block; 505. a bottle mouth cylinder; 506. a bottle mouth CCD camera; 6. a second feeding mechanism; 601. a second gear; 602. a second connecting shaft; 603. a second mounting block; 604. a material conveying gear; 605. a bottle sucking mechanism; 6051. a suction block; 6052. a fastening block; 606. a support turntable; 607. a conveying motor; 7. a body detection assembly; 701. fixing the rod; 702. a body CCD camera; 703. a light distribution plate; 8. a defective product conveying track; 9. a finished product conveying track; 10. and (5) bottle embryo.
Detailed Description
In order to make the objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. Several embodiments of the invention are presented in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations. The terms "second" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "second" may explicitly or implicitly include one or more of that feature.
In the present invention, unless otherwise expressly specified or limited, the second feature "on" or "under" the second feature may comprise the second and second features being in direct contact, or may comprise the second and second features being in contact, not directly, but via another feature in between. Also, a second feature "on," "above," and "over" a second feature may include the second feature being directly above and obliquely above the second feature, or simply indicating that the second feature is at a higher level than the second feature. A second feature being "under," "below," and "beneath" the second feature includes the second feature being directly under and obliquely below the second feature, or simply means that the second feature is at a lesser level than the second feature. The terms "vertical," "horizontal," "left," "right," "up," "down," and the like are used for descriptive purposes only and are not intended to indicate or imply that the referenced devices or elements must be in a particular orientation, configuration, and operation, and therefore should not be construed as limiting the present invention.
The invention is further illustrated by the following examples in connection with the drawings.
As shown in FIG. 1, the present invention provides a bottle blank CCD defect detection method, which comprises the following steps:
s1, introducing bottle blanks, namely introducing the bottle blanks 10 generated after processing into a material guide block 2, and orderly arranging the bottle blanks in the material guide block;
s2, conveying the bottle blanks, sequentially conveying the bottle blanks in the material guide block through the first conveying mechanism 3, and conveying the bottle blanks into the second conveying mechanism 6;
s3, obtaining a bottle bottom image, and obtaining a bottle bottom image of a bottle blank in the first conveying mechanism 3;
s4, comparing the bottle bottom image with the bottle bottom graphic template; under the condition that the bottle bottom image does not correspond to the bottle bottom graph template, marking the corresponding bottle embryo as a bottle embryo with a defective bottle bottom; under the condition that the bottle bottom image corresponds to the bottle bottom graphic template, marking the corresponding bottle blank as a bottle blank with a normal bottle bottom;
s5, transferring the bottle blanks on the first conveying mechanism 3 to the second conveying mechanism 6, and sequentially conveying the bottle blanks through the second conveying mechanism;
s6, acquiring a bottle mouth image, and acquiring a bottle mouth image of a bottle blank with a normal bottle bottom in the second conveying mechanism 6;
s7, comparing the bottle mouth image with the bottle mouth image template; under the condition that the bottle mouth image does not correspond to the bottle mouth image template, marking the normal bottle blank at the corresponding bottle bottom as a bottle blank with a defective bottle mouth; under the condition that the bottle mouth image corresponds to the bottle mouth image template, marking the corresponding bottle bottom normal bottle blank as a bottle mouth normal bottle blank;
s8, obtaining a body image, and obtaining a body image of the bottle blank with the normal bottle mouth;
s9, comparing the bottle body image with the bottle body image template; under the condition that the bottle body image does not correspond to the bottle body graph template, marking the corresponding bottle mouth normal bottle blank as a bottle blank with a defective bottle body; under the condition that the bottle body image corresponds to the bottle body image template, marking the corresponding bottle mouth normal bottle blank as a bottle body normal bottle blank;
and S10, removing bottle blanks, namely conveying normal bottle blanks to a finished product conveying rail, and removing bottle blanks with defects at the bottom, bottle openings or bottle bodies to a defective product conveying rail.
Further, in step S3, a bottom CCD camera is used to obtain a bottom image of the bottle blank in the first conveying mechanism.
Further, in step S6, a bottleneck image of the normal bottle blank at the bottom of the bottle in the second conveying mechanism is obtained by the bottleneck CCD camera 506.
Further, in step S8, a body image of the normal bottle preform with the bottle opening is obtained by the body CCD camera 702.
Further, in step S5, a plurality of bottle suction mechanisms 605 are attached to the second conveying mechanism, and the bottle blanks are sequentially conveyed by sucking the bottle blanks on the first conveying mechanism 3 by the bottle suction mechanisms 605.
Further, in step S10, a removing mechanism is mounted on the second conveying mechanism 6, and the bottle blanks on the bottle sucking mechanism 605 are blown down to the defective product conveying rail or the finished product conveying rail by the removing mechanism.
In the invention, images of the bottle bottom, the bottle mouth and the bottle body of the bottle blank are respectively obtained, then the images at all positions are sequentially compared with the graphic template for detection, so that whether all the positions of the bottle blank are normal is judged, and the bottle blank is removed under the condition of detecting that the bottle blank is unqualified, so that defective products are distinguished, the production quality is ensured, manpower can be replaced, the production efficiency is improved, and the condition of working errors can be reduced
As shown in fig. 2 and 3, the conveying process of the bottle blanks according to the present invention is as follows:
the bottle blanks 10 are conveyed by other conveying mechanisms, such as a conveying belt, to the material guide block 2 and are sequentially arranged at the material guide block 2, then the bottle blanks 10 are conveyed one by one sequentially by the first material conveying mechanism 3, bottle bottom images of the bottle blanks are obtained at the first detection mechanism 4 provided with a bottle bottom CCD camera, bottle opening images of the bottle blanks are obtained at the second detection mechanism 5 provided with a bottle opening CCD camera 506, then the bottle blanks on the first conveying mechanism 3 are sucked onto the second conveying mechanism by the bottle sucking mechanism 605, the second conveying mechanism is continuously conveyed downwards, bottle body images of the bottle blanks are obtained at the third detection mechanism provided with a bottle body CCD camera 702, finally the bottle bottom images, the bottle opening images and the bottle body images are respectively compared by the control device, whether defects exist at corresponding positions is judged, and under the condition that the corresponding images do not correspond to the pattern templates, marking the mark and finally rejecting the mark through an rejecting mechanism.
As shown in fig. 4, a material guide chute 201 is provided on the material guide block 2; the material guiding block 2 is connected to an external bottle preform 10 conveying mechanism, and can sequentially and orderly convey the external bottle preforms 10 to the first material conveying mechanism 3 at the material guiding groove 201.
It should be noted that, as shown in fig. 2, fig. 4 and fig. 7, the first material conveying mechanism 3 includes a driving motor, a first connecting shaft 302, a first mounting block 303, a material conveying turntable 304 and an arc-shaped block 305; the first mounting block 303 is mounted on the rack 1, and the first connecting shaft 302 is slidably mounted on the first mounting block 303; the driving motor is mounted on the frame 1, and is connected with the lower end of the first connecting shaft 302, and the material conveying turntable 304 is mounted at the upper end of the connecting shaft; the arc-shaped block 305 is installed on the rack 1 and is positioned on the side of the material conveying turntable 304; the driving motor is electrically connected with the control device; a plurality of clamping grooves 3041 for conveying the bottle blanks 10 are uniformly arranged on the material conveying turntable 304; a part of the structure of the material conveying turntable 304 is located below the material guide block 2 (see fig. 4), the material conveying turntable 304 is driven to rotate by the driving motor, then the material conveying turntable 304 is enabled to sequentially clamp the clamping grooves 3041 onto the bottle blanks 10 of the material guide block 2 in the rotating process, so that the bottle blanks 10 are moved out of the material guide block 2 one by one, gradually move to the second material conveying mechanism 6 under the limiting action of the arc-shaped block 305, and in the moving process, the bottle bottoms and bottle mouths of the bottle blanks 10 are detected by the first detection mechanism 4 and the second detection mechanism 5, finally conveyed to the second material conveying mechanism 6, and then received by the second material conveying mechanism 6 and conveyed continuously.
Furthermore, a first gear 301 engaged with the second material conveying mechanism 6 is arranged on the connecting shaft, and the first gear 301 is engaged with the second gear 601, so that the material conveying actions of the first material conveying mechanism 3 and the second material conveying mechanism 6 are synchronous, the bottle blanks 10 can move between the first material conveying mechanism 3 and the second material conveying mechanism 6 regularly, and the bottle blanks 10 can be conveyed normally.
It should be noted that the first detection mechanism 4 includes a bottle bottom CCD camera, and the bottle bottom CCD camera is installed on the frame 1 and is used for taking a picture of the bottle bottom of the bottle blank 10 on the first material conveying mechanism 3, so as to obtain a bottle bottom pattern, and sending the picture to the control device, and then comparing the picture by the control device, thereby determining whether the bottle bottom of the bottle blank 10 meets the quality requirement.
It should be noted that, as shown in fig. 2 and fig. 5, the second detection mechanism 5 includes a support rod 501, a lamp fixing block 502, a light supplement lamp 503, a camera fixing block 504, a bottleneck cylinder 505, and a bottleneck CCD camera 506; the supporting rod 501 is mounted on the rack 1, and the lamp fixing block 502 is mounted on the supporting rod 501; the light supplement lamp 503 is installed on the lamp fixing block 502, and an inner hole 5031 is formed in the light supplement lamp 503; the camera fixing block 504 is installed at the upper end of the supporting rod 501, and the bottle mouth cylinder 505 is installed on the camera fixing block 504; the bottleneck CCD camera 506 is mounted on the bottleneck air cylinder 505, and the bottleneck CCD camera 506 is positioned right above the inner hole 5031; the bottle blank 10 on the material conveying turntable 304 passes through the position below the light supplement lamp 503, and then the bottle opening CCD camera 506 can pass through the inner hole 5031 to photograph the bottle opening of the bottle blank 10, so as to obtain a bottle opening image, and then the image is transmitted to the control device, and then the control device judges whether the bottle opening of the bottle blank 10 has a problem; the light supplement lamp 503 is used for providing light, so that the bottle opening CCD camera 506 can take pictures normally and the quality of the pictures is ensured; the bottle mouth CCD camera 506 is electrically connected with the control device.
It should be noted that, as shown in fig. 2 and fig. 6, the third detecting mechanism includes at least three body detecting assemblies 7; at least three bottle body detection assemblies 7 are arranged on the rack 1 around the second material conveying mechanism 6;
the bottle body detection assembly 7 comprises a fixing rod 701, a bottle body CCD camera 702 and a light distribution plate 703; the light distribution plate 703 is mounted on the frame 1 and located below the second material conveying mechanism 6; the fixing rod 701 is installed on the machine frame 1, and the body CCD camera 702 is installed on the fixing rod 701; the bottle body CCD camera 702 is electrically connected with the control device; the bottle preform 10 rotates on the second material conveying mechanism 6, then the bottle body is photographed through the bottle body CCD camera 702 of the bottle body detection component 7, so that a bottle body image is obtained, then the picture is sent to the control device, then the control device compares the pictures to judge whether the bottle body has defects, and a plurality of bottle body detection components 7 are arranged to photograph from a plurality of directions, so that the detection result is ensured; the light distribution plate 703 is used for distributing light to the bottle preform 10, so that the photographing effect of the bottle body CCD camera 702 is ensured.
It should be noted that, as shown in fig. 2 and fig. 7 to 9, the second material conveying mechanism 6 includes a second connecting shaft 602, a second mounting block 603, a plurality of material conveying gears 604, a supporting turntable 606, a material conveying motor 607 and a driving gear; the second mounting block 603 is mounted on the frame 1, and the second connecting shaft 602 is slidably mounted on the second mounting block 603; the supporting turntable 606 is mounted at the upper end of the second connecting shaft 602, and a second gear 601 engaged with the first feeding mechanism 3 is arranged at the lower end of the second connecting shaft 602; the material conveying motor 607 is installed on the supporting turntable 606, and the driving gear is installed on the material conveying motor 607; a plurality of the material conveying gears 604 are uniformly arranged on the lower end face of the supporting turntable 606, one material conveying gear 604 is meshed with the driving gear, and meanwhile, the material conveying gears 604 are sequentially meshed with each other and form a ring to be arranged on the lower end face of the supporting turntable 606; the bottle suction mechanisms 605 are correspondingly arranged on the supporting turntables 606 above the conveying gears 604; the bottle sucking mechanism 605 and the material conveying motor 607 are electrically connected with the control device; the second gear 601 is meshed with the first gear 301, and when the first gear 301 rotates, the supporting turntable 606 can be driven to rotate, so that the material conveying gear 604 on the supporting turntable 606 can sequentially pass through the upper part of the material conveying turntable 304, and bottle blanks 10 on the material conveying turntable 304 are sucked to the lower end surface of the material conveying gear 604 through the material sucking mechanism (see fig. 8), so that the bottle blanks 10 on the first material conveying mechanism 3 are conveyed to the second material conveying mechanism 6, and the bottle blanks 10 are conveyed continuously in the rotating process of the supporting turntable 606; the material conveying gear 604 can be driven to rotate by the material conveying motor 607, so that the material conveying gear 604 can drive the bottle blank 10 to rotate, the third detection mechanism can photograph the bottle body of the bottle blank 10 on the material conveying gear 604 in an all-around manner, and the detection effect of the bottle body is ensured; the conveyed bottle blanks 10 sequentially pass through a defective product conveying track 8 and a finished product conveying track 9, wherein the bottle blanks 10 with problems and defects in quality, namely bottle blanks with defects at the bottle bottoms, bottle blanks with defects at the bottle mouths and bottle blanks with defects at the bottle bodies, are blown down into the defective product conveying track 8 by a removing mechanism and are conveyed out, and the bottle blanks 10 without problems, namely bottle blanks with normal bottle bodies, are blown down by the removing mechanism in the finished product conveying track 9 and are conveyed out, so that the defective bottle blanks 10 are distinguished, and the product quality is ensured.
Furthermore, a material suction channel is arranged in the middle of the material conveying gear 604; the material sucking mechanism is used for providing suction force and acting on the bottle preform 10 through the material sucking channel, so that the bottle preform 10 can be sucked from the material conveying turntable 304 to the material conveying gear 604, and the bottle preform 10 is conveyed from the first material conveying mechanism 3 to the second material conveying mechanism 6.
It should be noted that the bottle suction mechanism 605 includes a material suction block 6051 for connecting to a gas source, and a fastening block 6052; the fastening block 6052 is arranged on the supporting turntable 606 above the feeding gear 604, and the absorbing block 6051 is arranged on the fastening block 6052; the material suction block 6051 is electrically connected with the control device; wherein, the material sucking block is connected with an external air source for providing suction force, so that the bottle blank 10 can be sucked onto the material conveying gear 604.
It should be noted that the rejecting mechanism includes several rejecting assemblies; a plurality of the rejecting assemblies are correspondingly arranged at the supporting turntables 606 at the side edges of a plurality of material conveying gears 604 one by one;
the rejection assembly comprises an air blowing block (not shown in the figure) and a limiting block (not shown in the figure) which are connected with an air source; the air blowing block is electrically connected with the control device; the limiting block is arranged on the supporting turntable 606, and the air blowing block is arranged on the limiting block; the air blowing block is electrically connected with the control device; the blowing block can blow high pressure gas and act on the bottle preform 10 of the feeding gear 604, so as to blow the bottle preform 10 down to the first feeding mechanism 3 or the second feeding mechanism 6.
The above description is only a preferred embodiment of the present invention, the present invention is not limited to the above embodiment, and there may be some slight structural changes in the implementation, and if there are various changes or modifications to the present invention without departing from the spirit and scope of the present invention, and within the claims and equivalent technical scope of the present invention, the present invention is also intended to include those changes and modifications.
Claims (6)
1. The bottle blank CCD defect detection method is characterized by comprising the following steps of:
s1, guiding the bottle blanks generated after processing into a material guide block, and orderly arranging the bottle blanks in the material guide block;
s2, sequentially conveying the bottle blanks in the material guide block through the first conveying mechanism, and conveying the bottle blanks to the second conveying mechanism;
s3, obtaining a bottle bottom image of the bottle blank in the first conveying mechanism;
s4, comparing the bottle bottom image with the bottle bottom graphic template; under the condition that the bottle bottom image does not correspond to the bottle bottom graphic template, marking the corresponding bottle embryo as a bottle embryo with a defective bottle bottom; under the condition that the bottle bottom image corresponds to the bottle bottom graphic template, marking the corresponding bottle blank as a bottle blank with a normal bottle bottom;
s5, transferring the bottle blanks on the first conveying mechanism to a second conveying mechanism, and conveying the bottle blanks in sequence through the second conveying mechanism;
s6, acquiring a bottle mouth image of a bottle blank with a normal bottle bottom in the second conveying mechanism;
s7, comparing the bottle mouth image with the bottle mouth graphic template; under the condition that the bottle mouth image does not correspond to the bottle mouth image template, marking the normal bottle blank at the corresponding bottle bottom as a bottle blank with a defective bottle mouth; under the condition that the bottle mouth image corresponds to the bottle mouth image template, marking the corresponding bottle bottom normal bottle blank as a bottle mouth normal bottle blank;
s8, obtaining a body image of the bottle blank with the normal bottle mouth;
s9, comparing the bottle body image with the bottle body graph template; under the condition that the bottle body image does not correspond to the bottle body graph template, marking the corresponding bottle mouth normal bottle blank as a bottle blank with a defective bottle body; under the condition that the bottle body image corresponds to the bottle body graphic template, marking the corresponding bottle mouth normal bottle blank as a bottle body normal bottle blank;
s10, conveying the bottle blank with normal bottle body to the finished product conveying track, and removing the bottle blank with bottle bottom defect, bottle mouth defect or bottle body defect to the defective product conveying track.
2. The bottle embryo CCD defect detection method of claim 1, characterized in that: in step S3, a bottom image of the bottle preform in the first conveying mechanism is obtained by the bottom CCD camera.
3. The method for detecting CCD defects of bottle blanks as claimed in claim 1, wherein the method comprises the following steps: in the step S6, a bottleneck image of the normal bottle blank at the bottom of the bottle in the second conveying mechanism is obtained by the bottleneck CCD camera.
4. The bottle embryo CCD defect detection method of claim 1, characterized in that: in the step S8, a body image of the normal bottle preform with the normal bottle opening is obtained by the body CCD camera.
5. The method for detecting CCD defects of bottle blanks as claimed in claim 1, wherein the method comprises the following steps: in step S5, a plurality of bottle suction mechanisms are mounted on the second conveying mechanism, and bottle blanks are sequentially conveyed by sucking the bottle blanks on the first conveying mechanism by the bottle suction mechanisms.
6. The bottle embryo CCD defect detection method of claim 5, characterized in that: in the step S10, a rejecting mechanism is installed on the second conveying mechanism, and the bottle blanks on the bottle sucking mechanism are blown down onto the defective product conveying rail or the finished product conveying rail through the rejecting mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110257483.3A CN115041417A (en) | 2021-03-09 | 2021-03-09 | Bottle blank CCD defect detection method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110257483.3A CN115041417A (en) | 2021-03-09 | 2021-03-09 | Bottle blank CCD defect detection method |
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| CN115041417A true CN115041417A (en) | 2022-09-13 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116511093A (en) * | 2023-03-02 | 2023-08-01 | 浙江金至医药包装有限公司 | Method for removing injection-blow plastic bottles with black spots |
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