CN110586490A - Bottle cap visual detection machine - Google Patents
Bottle cap visual detection machine Download PDFInfo
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- CN110586490A CN110586490A CN201910741040.4A CN201910741040A CN110586490A CN 110586490 A CN110586490 A CN 110586490A CN 201910741040 A CN201910741040 A CN 201910741040A CN 110586490 A CN110586490 A CN 110586490A
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- conveying belt
- light source
- plate
- position recorder
- baffle
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- 238000001514 detection method Methods 0.000 title claims abstract description 48
- 230000000007 visual effect Effects 0.000 title claims abstract description 21
- 239000000463 material Substances 0.000 claims abstract description 28
- 230000007246 mechanism Effects 0.000 claims abstract description 21
- 238000007664 blowing Methods 0.000 claims abstract description 16
- 238000011179 visual inspection Methods 0.000 claims description 12
- 230000002950 deficient Effects 0.000 claims description 8
- 230000001360 synchronised effect Effects 0.000 claims description 6
- 238000005086 pumping Methods 0.000 claims description 3
- 230000001960 triggered effect Effects 0.000 description 6
- 230000000750 progressive effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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
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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
- B07C5/363—Sorting apparatus characterised by the means used for distribution by means of air
- B07C5/365—Sorting apparatus characterised by the means used for distribution by means of air using a single separation means
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
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- Length Measuring Devices By Optical Means (AREA)
Abstract
The invention discloses a visual detection machine for bottle caps, which comprises a rack, a material distribution mechanism, a first detection device, a second detection device, a first conveying belt, a second conveying belt and an industrial control device, wherein the material distribution mechanism is arranged on the rack and comprises a baffle mechanism and a material distribution group; the first detection device comprises a first position recorder; the second visual detection device is arranged behind the first light source; the second light source is in signal connection with the second camera and the industrial control device; a pneumatic removing device is in signal connection with the industrial control device; the second conveying belt is arranged above the first conveying belt, and the front end of the second conveying belt is overlapped with the tail end of the first conveying belt; the detection device II comprises a position recorder II, a camera III and a light source III which are in signal connection with the industrial control device; and the pneumatic blowing device is arranged below the second conveying belt and is in signal connection with the industrial control device. The visual detection machine for the bottle cap can provide comprehensive detection, and has high detection efficiency and detection quality.
Description
Technical Field
The invention relates to the field of machinery, in particular to a visual inspection machine for a bottle cap.
Background
The bottle cap is a common filling accessory and is also a very important filling accessory, and the tightness and deformation of the cap can influence the tightness of filling materials, the occurrence of accidents such as overflow and the like and the appearance of a product. If the cap is tested after being assembled with the bottle, the cap shape and the inside thereof are different, which results in a high defective rate, an increased rework rate and a loss of the outer material and the inner material.
The existing bottle cap defective product detection has the advantages of common manual mode, low efficiency, low detection quality, partial automatic visual detection, incomplete detection surface of the existing detection mechanism or low precision, and poor detection effect.
Disclosure of Invention
The invention provides a visual detection machine for a bottle cap, which can provide comprehensive detection and has high detection efficiency and detection quality.
The technical scheme of the invention is realized as follows:
a visual detection machine for bottle caps comprises a rack, a material distribution mechanism, a first detection device, a second detection device, a first conveying belt, a second conveying belt and an industrial control device, wherein the material distribution mechanism comprises a baffle mechanism and a material distribution group, the material distribution group comprises two opposite rotating disks, the two opposite rotating disks are respectively arranged on two sides of the first conveying belt and are arranged on a path of a bottle cap path, and a plurality of arc-shaped notches are respectively and uniformly arranged on the rotating disks and are matched with the bottle caps; the baffle mechanism is arranged above the first conveying belt and comprises two opposite left baffles, right baffles and an upper baffle positioned between the left baffles and the right baffles, the upper baffle is positioned on the rotating disc and extends along the first conveying belt, and the left baffles and the right baffles are respectively arranged on two sides of a path of the bottle cap travelling path;
the first detection device comprises a first position recorder, a first light source is arranged above the first position recorder along the advancing direction of the first conveying belt and behind the first position recorder, a first camera is arranged right above the light source, and the first position recorder, the first light source and the first camera are in signal connection with the industrial control device; the second visual detection device is arranged behind the first light source and comprises at least four cameras which are distributed at 90 degrees and respectively arranged on four points of the circumference, and the second light source is arranged right above the path of the bottle cap row path and is positioned in the central area of the photographing intersection of the four cameras; the second light source and the second camera are in signal connection with the industrial control device;
the pneumatic removing device is in signal connection with the industrial control device and is arranged behind the visual detection device;
the second conveying belt is arranged above the first conveying belt, a plurality of first openings are uniformly formed in the middle of the second conveying belt, the second conveying belt is a synchronous belt and is connected with a vacuumizing device in the synchronous belt, and the front end of the second conveying belt is overlapped with the tail end of the first conveying belt;
the detection device II comprises a position recorder II, a camera III and a light source III, the light source III is arranged below the conveying belt II and right below a path of a bottle cap path, the camera III is arranged right below the light source III, the position recorder II is arranged in front of the light source III, recording light of the position recorder II is positioned on the path of the bottle cap path, and the position recorder II, the camera III and the light source III are in signal connection with the industrial control device;
and the pneumatic material blowing device is arranged below the second conveying belt and comprises a gas blowing device for blowing defective products and a feed opening for loading the defective products, and the pneumatic material blowing device is in signal connection with the industrial control device.
The invention provides a visual bottle cap detector, which divides materials for bottle caps by a rotating disk, can ensure that the space between the bottle caps is uniform, does not extrude the bottle caps, and is safe and controllable; the bottle cap is numbered and recorded through the position record I one by one after being divided, meanwhile, the camera is triggered through the industrial control switch I, the top surface or the inner bottom surface and the annular wall of the bottle cap can be photographed and compared, then the camera II can be used for photographing and comparing the outer circular wall surface of the bottle cap, when the top surface or the inner bottom surface and the annular wall of the bottle cap are ok, the bottle cap is good, the bottle cap continues to move forward, and if one of the bottle cap and the annular wall is an NG item, the bottle cap is rejected from a station of the pneumatic rejecting device through the number of the position recorder I. And then the ok bottle cap continuously moves forwards to the joint of the first conveying belt and the second conveying belt, the second conveying belt is connected with a vacuumizing device, so that the cover is sucked onto the second conveying belt after being sucked, the second conveying belt moves to a position recorder to carry out new numbering on the second conveying belt along with the movement of the second conveying belt, then the third conveying belt is moved to a camera to photograph through the bottom, the inner bottom surface and the ring wall or the top surface of the third conveying belt are compared again, the pneumatic material blowing device is triggered to blow off unqualified products according to the comparison result, and the qualified products are continuously conveyed to a discharge port by the second conveying belt. The bottle cap visual detection machine provided by the invention can be used for detecting and comparing each surface of a bottle cap, can realize quick removal, and is simple in structure, uniform in material distribution, free of damage to the bottle cap and high in detection precision.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic perspective view of a main body part of a rack table of a bottle cap visual inspection machine according to the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
FIG. 3 is a schematic perspective view of the panel and the supporting plate of FIG. 1 with the panel and the supporting plate removed;
FIG. 4 is a partial enlarged view of FIG. 3 at B;
fig. 5 is a schematic perspective view of the powder mechanism.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 5, a visual bottle cap detector comprises a frame 1, a material distribution mechanism, a first detection device and a second detection device which are arranged on the frame 1, a first conveying belt 11, a second conveying belt 12 and an industrial control device (not shown), wherein the material distribution mechanism comprises a baffle mechanism 3 and a material distribution group, the material distribution group comprises two opposite rotating discs 4 which are respectively arranged on two sides of the first conveying belt 11 and arranged on a path of a row path of bottle caps, and a plurality of arc-shaped notches 41 are respectively and uniformly arranged on the rotating discs 4 and matched with the bottle caps; the baffle mechanism 3 is arranged above the first conveying belt 11 and comprises two opposite left baffles 32 and right baffles 33 and an upper baffle 31 positioned between the left baffles and the right baffles, the upper baffle 31 is positioned on the rotating disc 4 and extends along the first conveying belt 11, and the left baffles 32 and the right baffles 33 are respectively arranged at two sides of a path of the bottle cap travelling path; the machine frame 1 is further provided with a machine frame cover capable of being opened in a turnover mode, the two opposite rotating disks 4 move relatively at the same speed, notches 41 in the rotating disks surround the outer circumference of the bottle cap and continue to advance forwards, and the rotating speed of the rotating disks 4 can be adjusted, so that the distance between the front bottle cap and the rear bottle cap can be adjusted through the rotating speed of the rotating disks 4, the uniform distance can be achieved, the material distribution mechanism on the existing market is often extruded through the two rotating wheels, when the rear bottle caps are moved, the bottle caps in front can be directly passed between the two wheels, the distance between the bottle caps is uneven, and the bottle caps can be damaged by the two wheels. The length of the left baffle 32 and the right baffle 33 is a little before the bottle cap enters the rotating disc 4, the tail of the bottle cap is arranged on the conveying belt after the bottle cap is separated, the bottle cap conveying device has the advantages that before the bottle cap is separated, the bottle cap is arranged orderly along the conveying direction of the conveying belt 11 through the left baffle 32 and the right baffle 33, the upper baffle 31 can block the bottle cap so as not to fly away from the upper side in the material separating process, and the length of the upper baffle 31 is equal to the length of the left baffle 32 and the length of the right baffle 33.
The detection device I comprises a position recorder I5, a light source I6 is arranged above the position recorder I5 along the advancing direction of the conveyer belt I11 and behind the position recorder I5, a camera I7 is arranged right above the light source I, and the position recorder I5, the light source I6 and the camera I7 are in signal connection with the industrial control device (not shown); the second visual detection device is arranged behind the first light source 6 and comprises at least four cameras 71 which are distributed on four points of the circumference according to 90 degrees, and the second light source 72 is arranged right above the path of the bottle cap row path and is positioned in the central area of the intersection of the two photographing cameras; the second light source 72 and the second camera 71 are in signal connection with the industrial control device (not shown); the first position recorder 5 is used for numbering each bottle cap passing through, when the first position recorder 5 detects that a bottle cap passes through, the time from the bottle cap to the first light source 6 and the second light source 72 can be calculated according to the running speed of the first conveying belt and the distance between the first position recorder 5 and the first light source 6 and the second light source 72, so that the bottle cap is triggered by an industrial control device (not shown), the first light source 6 and the second light source 72 can be accurately triggered by setting delay time, the first camera 7 and the second camera 71 are opened, usually, the photographing range of the first camera 7 is larger than the outer circumferential surface of the bottle cap, and the first light source 6 provides a photographing light source when photographing, so that the bottle cap can be taken as long as the bottle cap is in the photographing range; the second cameras 71 are four and are arranged at an angle of 90 degrees, the range which can be shot by each second camera is slightly larger than the outer circumferential surface of 1/4 of the bottle cap, and the second 4 cameras respectively shoot 1/4 parts of the bottle cap so as to obtain images of the periphery of the complete bottle cap for comparison.
A pneumatic removing device 13 is in signal connection with the industrial control device (not shown) and is arranged behind the visual detection device; through the comparison of the two parts, the industrial control device (not shown) for the unqualified product is marked according to the comparison structure, and the pneumatic removing device 13 is triggered to remove the unqualified product.
The second conveying belt 12 is arranged above the first conveying belt 11, a plurality of first openings 122 are uniformly formed in the middle of the second conveying belt 12, the second conveying belt 12 is a synchronous belt and is connected with a vacuum-pumping device, and the front end of the second conveying belt 12 is overlapped with the tail end of the first conveying belt 11; the second conveyor belt 12 is partially overlapped with the first conveyor belt 11, so that the bottle caps are transferred from the first conveyor belt 11 to the second conveyor belt 12, and the second conveyor belt 12 passes through the vacuum extractor, and the bottle caps are just adsorbed at the middle position of the second conveyor belt 12 through the first opening 122 on the second conveyor belt 12.
The detection device II comprises a position recorder II 8, a camera III (not shown) and a light source III 10, the light source III 10 is arranged below the conveying belt II 12 and right below a path of a bottle cap path, the camera III (not shown) is arranged right below the light source III 10, the position recorder II is arranged in front of the light source III 10, recording light of the position recorder II is positioned on the path of the bottle cap path, and the position recorder II 8, the camera III (not shown) and the light source III 10 are in signal connection with the industrial control device (not shown); the first camera 7 and the second camera 71 take charge of taking pictures of the periphery and the inside of the bottle cap or taking pictures of the periphery and the top, the rest part is adsorbed by the second conveying belt 12 under the condition that the direction of the bottle cap is not changed and the bottle cap does not need to be adjusted, the rest part is exposed, and then the rest part is taken pictures by the third camera (not shown), so that each part of the bottle cap can be completely detected and compared.
A pneumatic blowing device 15 is arranged below the second conveying belt 12, and comprises a blowing device 151 for blowing the defective products and a discharging opening 152 for loading the defective products, wherein the pneumatic blowing device 15 is in signal connection with the industrial control device (not shown).
Preferably, the left baffle 32 of the baffle mechanism 3 is disposed on the left side of the first conveyor belt 11, the right baffle 33 is disposed on the right side of the first conveyor belt 11, the upper baffle 31 is disposed above the first conveyor belt 11, a distance between the left baffle 32 and the right baffle 33 is equal to a diameter of the bottle cap, and a vertical distance between the upper baffle 31 and the first conveyor belt 11 is equal to a height of the bottle cap.
Preferably, the visual inspection device comprises a mounting bracket 16, the mounting bracket 16 comprises four straight bars 161 respectively standing on four points on the top surface of the rack 1, a flat plate 162 is horizontally fixed on the four straight bars 161, the upper half section of each straight bar 161 is provided with a thread, the flat plate 162 is provided with four threaded holes, and the upper part and the lower part of each threaded hole are respectively provided with a nut 166 fixed with the straight bars 161; a window 167 is arranged in the middle of the flat plate 162, four corners of the flat plate 162 are respectively provided with a fixing groove 168, a U-shaped part 163 with a downward opening is arranged below each fixing groove 168, and a U-shaped part 164 with an upward opening is movably fixed with the U-shaped part 163 with an upward opening; the middle part of each U-shaped piece II 164 is fixed with a camera II; the second light source 72 is fixed below the window 167 of the plate 162. The visual detection device can move upwards or downwards along with the whole mounting bracket 16 so as to be matched with bottle caps with different heights, only the position of the leveling plate 162 on the straight rod 161 needs to be adjusted, the position of the first U-shaped part 163 on the fixing groove 168 is also adjustable, and a space for the first U-shaped part 163 to move forwards and backwards is formed in the fixing groove 168 along the circle center of the second light source 72; the second U-shaped part 164 can move up and down along the first U-shaped part 163, so that the second camera can move back and forth towards the center of the second light source 72 to adjust the distance, and the up and down distance can be adjusted to ensure that the bottle cap is in the shooting range.
Preferably, the conveyor further comprises a support frame 17, the support frame 17 comprises two opposite vertical plates 171 and a bearing plate 172 connected with the vertical plates 171, the support frame 17 spans the first conveyor belt 11, and the bottom of the support frame 17 is fixed to the top of the rack 1; the bearing plate 172 is provided with a plurality of elongated holes 174, the middle part of the bearing plate is provided with an extending part 173 extending upwards, the extending part 173 is provided with a fixing hole, and the left baffle 32 and the right baffle 33 can be fixed on the elongated holes 174 in a left-right moving manner; the upper baffle plate comprises at least one vertical plate 311 and a horizontal plate 312, the horizontal plate 312 is parallel to the first conveyor belt 11, and a long hole is formed in the vertical plate 311 and corresponds to the through hole of the extension part 173; two progressive motors 2 are further arranged, the progressive motors 2 are fixed on the bearing plate 172, and the rotating disc 4 is connected below each progressive motor 2. The left baffle 32, the right baffle 33 and the upper baffle 31 are fixed on the support frame 17, the rotating disc 4 driven by the stepping motor 2 is also fixed on the support frame 17, and the strip-shaped holes have a certain length distance, so that the distance between the left baffle 32 and the right baffle 33 can be properly adjusted when the left baffle 32 and the right baffle 33 are fixed on the strip-shaped holes 174, and therefore, the left baffle 32 and the right baffle can adapt to bottle caps with different diameters, and the left side and the right side of the bottle cap are blocked and cannot be deviated; similarly, when the long hole of the upper baffle 31 is connected with the extending part 173, the up-and-down distance can be adjusted to adapt to bottle caps with different heights, the distance between the rotating disk 4 and the step motor 2 is also adjustable, and two opposite step motors 2 are fixed on the supporting frame 17 through the long strip-shaped hole 174, so that the transverse distance adjustment can be carried out to adapt to bottle caps with different diameters.
Preferably, the first position recorder 5 and the second position recorder 8 are infrared ray recorders, and both the first position recorder 5 and the second position recorder 8 comprise a transmitter and a reflector opposite to the transmitter. The first position recorder 5 and the second position recorder 8 are respectively used for numbering and recording bottle caps to be photographed and triggering information for industrial control signals to prompt that the bottle caps come, and an industrial control device (not shown) triggers the cameras to photograph according to the prompting information.
The industrial control device (not shown) is used for triggering the first camera 7, the first light source 6, the second camera 71 and the second light source 72 to work according to the signal of the first position recorder 5, the transmission speed of the first conveyor belt 11 and the second conveyor belt 12 is fixed, and the distances between the first position recorder 8 and the first camera 7, between the second camera 71 and between the third camera (not shown) are also fixed, so that the time for the bottle cap to move from the position recorder to the camera can be known according to the distance and the speed, and the industrial control device (not shown) can start a photographing function according to time delay after obtaining the signal of the position recorder; the industrial control device (not shown) is further used for comparing photos shot by the first camera 7, the second camera 71 and the third camera (not shown) with preset bottle cap parameters, if the first camera 7 shoots the top surface, the top surface information is compared, whether the result is ok or not is recorded, when the bottle cap continues to move to the position below the second light source 72, the pictures obtained by the second camera 71 are compared again, the result is ok, if the two recording structures are both ok, the bottle cap is good, the bottle cap continues to be conveyed to the front, and if one of the two recording structures is not good, the industrial control device (not shown) starts an eliminating program to eliminate the bottle cap when the bottle cap moves to the station of the pneumatic eliminating device 13. The numbering on conveyor belt one 11 is therefore no longer applicable to the numbering on conveyor belt two 12.
Preferably, the device further comprises an adjusting frame 18, the adjusting frame 18 comprises two groups of opposite supporting columns 181, a horizontal supporting plate 182 is fixed on each supporting column 181, a connecting plate 183 is respectively arranged on each of the two sides of the front end and the rear end of each supporting plate 182, a synchronizing mechanism is arranged in each conveying belt two 12 and connected with each connecting plate 183, and each supporting plate 182 can move up and down along the corresponding supporting column 181; a fixing plate 184 is connected between the connecting plates 183 on the same side, and the second position recorder 8 is fixed on the fixing plate 184. The adjusting rack 18 can drive the supporting plate 182 and the components fixed on the supporting plate 182 to move up and down, that is, the second conveying belt 12 can move up or down vertically, so that the height difference between the second conveying belt 12 and the first conveying belt 11 can be adjusted to adapt to bottle caps with different heights.
Preferably, the first light source 6, the second light source 72 and the third light source 10 are all ring-shaped light sources. In the scheme, the diameter of the light source II 72 is larger than the diameters of the light source I6 and the light source III 10 because the light source II 71 provides illumination for shooting, and the diameter of the light source II is larger than the diameter of the light source I6 and the diameter of the light source III 10.
Preferably, the middle part of the first conveying belt 11 is uniformly provided with a plurality of second openings 111, and the first conveying belt 11 is a synchronous belt and is connected with a vacuum pumping device. The bottle caps are light in weight, so that displacement or overturning can be caused if the conveying belt is bumped, a vacuumizing device is connected below the first conveying belt 11 to apply slight suction to the bottle caps, the bottle caps can be stably kept on the first conveying belt 11 and cannot shake, an effective photographing effect can be guaranteed, the suction of the vacuumizing device below the first conveying belt 11 is smaller than that of the vacuumizing device below the second conveying belt 12, and the second conveying belt 12 can smoothly suck the bottle caps from the first conveying belt 11 and firmly adhere the bottle caps to the second conveying belt 12 to move along with the movement.
Preferably, a blanking device 19 is arranged below the second conveying belt 12 between the tail end of the first conveying belt 11 and the second position recorder 8. The blanking device 19 is used for directly falling from the blanking device 19 when the bottle cap on the first conveying belt 11 is taken away by the second conveying belt 12 and the suction is not firm.
The invention provides a visual bottle cap detector, which is characterized in that when in work, bottle caps firstly enter a first conveying belt 11 from a feeding port, the bottom of the first conveying belt 11 is provided with a second opening 111, a vacuum extractor is arranged at the bottom of the second opening, so that the position of the bottle caps can be adjusted under the action of suction, the bottle caps are immediately guided by an arch structure consisting of a left baffle 32, a right baffle 33 and an upper baffle 31 to enter the front of two opposite rotating disks 4, the bottle caps are continuously wrapped by notches 41 on the two opposite rotating disks 4 and then move forwards along with the first conveying belt 11, then the rotating disks 4 finish material distribution on the bottle caps to ensure that the bottle caps reach uniform distance between every two bottle caps, and the lengths of the left baffle 32, the right baffle 33 and the upper baffle 31 exceed the outermost points of the circumferential surface of the rotating disks 4, so that the bottle caps can be protected to realize stable straight movement, the bottle cap is moved to a station of a position recorder I5 along with a conveyer belt I11, the infrared ray recorder provided by the invention can number the bottle cap when the light is cut off and send a signal to an industrial control device (not shown), a common device triggers a light source I6 and a camera I7 to start photographing when the bottle cap moves forward to the lower part of the light source I6 according to the estimated running time, the photographed pictures are sent to the industrial control device (not shown) to be compared and recorded, the industrial control device (not shown) continuously triggers the start of a light source II 72 and a camera II 71, the four cameras II 71 are uniformly distributed on four points of the circumference, the outer wall surface of the bottle cap is photographed after being triggered and is sent to the industrial control device (not shown) to be compared and recorded, and the industrial control device (not shown) sends the number of a product which is unqualified in any one of two comparison results to a pneumatic removing device 13, when the numbered bottle caps are conveyed to the station, the bottle caps can be removed; then the qualified bottle caps will move forward to the position overlapped with the first conveyor belt 11 and the second conveyor belt 12, the second conveyor belt 12 is located above the first conveyor belt 11, and the suction force of the vacuumizing device 121 connected with the second conveyor belt is larger, so the bottle caps will be sucked to the second conveyor belt 12 and move forward along with the second conveyor belt, if the bottle caps which are not sucked at the connecting position will drop into the blanking device 19 along with the first conveyor belt 11 or the second conveyor belt 12, the bottle caps which move forward continuously along with the second conveyor belt 12 will be numbered again when reaching the position recorder second 8, and the triggering signal is sent to the industrial control device (not shown), the industrial control device (not shown) will trigger the third light source 10 and the third camera (not shown) to work according to the signal, the third camera (not shown) is located below the table top of the rack 1, the third light source 10 is located on the table top of the rack 1, and the light source is also sent back to the industrial control device (not shown) for comparison after, after comparison, the industrial control device (not shown) sends the serial number information of the qualified or unqualified products to the pneumatic material blowing device 15, the unqualified products are blown off through the pneumatic material blowing device, and the qualified products are conveyed to the discharge hole.
The visual detection machine for the bottle cap provided by the invention is simple in structure and ingenious in design, and each surface of the bottle cap can be shot in place through a plurality of mechanical structures and compared. The accuracy of the test is ensured and the test can be realized without any complex equipment or high cost.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (9)
1. A visual detection machine for bottle caps is characterized by comprising a rack, a material distribution mechanism, a first detection device, a second detection device, a first conveying belt, a second conveying belt and an industrial control device, wherein the material distribution mechanism, the first detection device and the second detection device are arranged on the rack; the baffle mechanism is arranged above the first conveying belt and comprises two opposite left baffles, right baffles and an upper baffle positioned between the left baffles and the right baffles, the upper baffle is positioned on the rotating disc and extends along the first conveying belt, and the left baffles and the right baffles are respectively arranged on two sides of a path of the bottle cap travelling path;
the first detection device comprises a first position recorder, a first light source is arranged above the first position recorder along the advancing direction of the first conveying belt and behind the first position recorder, a first camera is arranged right above the light source, and the first position recorder, the first light source and the first camera are in signal connection with the industrial control device; the second visual detection device is arranged behind the first light source and comprises at least four cameras which are distributed at 90 degrees and respectively arranged on four points of the circumference, and the second light source is arranged right above the path of the bottle cap row path and is positioned in the central area of the photographing intersection of the four cameras; the second light source and the second camera are in signal connection with the industrial control device;
the pneumatic removing device is in signal connection with the industrial control device and is arranged behind the visual detection device;
the second conveying belt is arranged above the first conveying belt, a plurality of first openings are uniformly formed in the middle of the second conveying belt, the second conveying belt is a synchronous belt and is connected with a vacuumizing device in the synchronous belt, and the front end of the second conveying belt is overlapped with the tail end of the first conveying belt;
the detection device II comprises a position recorder II, a camera III and a light source III, the light source III is arranged below the conveying belt II and right below a path of a bottle cap path, the camera III is arranged right below the light source III, the position recorder II is arranged in front of the light source III, recording light of the position recorder II is positioned on the path of the bottle cap path, and the position recorder II, the camera III and the light source III are in signal connection with the industrial control device;
and the pneumatic material blowing device is arranged below the second conveying belt and comprises a gas blowing device for blowing defective products and a feed opening for loading the defective products, and the pneumatic material blowing device is in signal connection with the industrial control device.
2. The visual inspection machine for bottle caps as claimed in claim 1, wherein the left baffle of the baffle mechanism is disposed at the left side of the first conveyor belt, the right baffle is disposed at the right side of the first conveyor belt, the upper baffle is disposed above the first conveyor belt, the distance between the left baffle and the right baffle is equal to the diameter of the bottle caps, and the vertical distance between the upper baffle and the first conveyor belt is equal to the height of the bottle caps.
3. The visual inspection machine for bottle caps as claimed in claim 1, wherein the visual inspection device comprises a mounting bracket, the mounting bracket comprises four straight bars standing on four points of the top surface of the rack, a plate is horizontally fixed on the four straight bars, the upper half section of the straight bar is provided with threads, the plate is provided with four threaded holes, and the upper part and the lower part of the threaded hole are respectively provided with a nut fixed with the straight bar; the middle part of the flat plate is provided with a window, four corners of the flat plate are respectively provided with a fixing groove, a U-shaped part is arranged below each fixing groove, one opening of the U-shaped part is downwards fixed on the U-shaped part, and the other opening of the U-shaped part is upwards movably fixed with the U-shaped part; the second camera is fixed in the middle of each second U-shaped part; and the second light source is fixed below the window of the flat plate.
4. The visual inspection machine for bottle caps as claimed in claim 2, further comprising a support frame, wherein the support frame comprises two opposite vertical plates and a bearing plate connected with the vertical plates, the support frame straddles the first conveying belt, and the bottom of the support frame is fixed with the top of the rack; the bearing plate is provided with a plurality of strip-shaped holes, the middle part of the bearing plate is provided with an extending part extending upwards, the extending part is provided with a fixing hole, and the left baffle and the right baffle can be fixed on the strip-shaped holes in a left-right moving mode; the upper baffle plate comprises at least one vertical plate and a transverse plate, the transverse plate is parallel to the first conveying belt, and a long hole is formed in the vertical plate and corresponds to the through hole of the extending part; the improved motor is fixed on the bearing plate, and the lower part of each improved motor is connected with the rotating disc.
5. The visual inspection machine for bottle caps as claimed in claim 1, wherein the first position recorder and the second position recorder are infrared ray recorders, and each of the first position recorder and the second position recorder comprises a transmitter and a reflector opposite to the transmitter.
6. The visual inspection machine for bottle caps as claimed in claim 1, further comprising an adjusting rack, wherein the adjusting rack comprises two sets of opposite supporting columns, a horizontal supporting plate is fixed on the supporting columns, a connecting plate is respectively arranged on the two sides of the front end and the rear end of the supporting plate, a synchronizing mechanism is arranged in the second conveying belt and connected with the connecting plate, and the supporting plate can move up and down along the supporting columns; and a fixing plate is also connected between the connecting plates at the same side, and the position recorder II is fixed on the fixing plate.
7. The visual inspection machine of bottle caps as claimed in claim 1 wherein the first, second and third light sources are all annular light sources.
8. The visual inspection machine for bottle caps as claimed in claim 1, wherein the first conveyor belt is provided with a plurality of second openings uniformly in the middle thereof, and the first conveyor belt is a timing belt connected to a vacuum-pumping device.
9. The visual inspection machine for bottle caps as claimed in claim 1, wherein a blanking device is provided below the second conveyor belt between the tail end of the first conveyor belt and the second position recorder.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910741040.4A CN110586490B (en) | 2019-08-12 | 2019-08-12 | Bottle lid visual inspection machine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910741040.4A CN110586490B (en) | 2019-08-12 | 2019-08-12 | Bottle lid visual inspection machine |
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| CN110586490A true CN110586490A (en) | 2019-12-20 |
| CN110586490B CN110586490B (en) | 2024-05-17 |
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| CN201910741040.4A Active CN110586490B (en) | 2019-08-12 | 2019-08-12 | Bottle lid visual inspection machine |
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| CN110586490B (en) | 2024-05-17 |
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