CN110586490B - Bottle lid visual inspection machine - Google Patents
Bottle lid visual inspection machine Download PDFInfo
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- CN110586490B CN110586490B CN201910741040.4A CN201910741040A CN110586490B CN 110586490 B CN110586490 B CN 110586490B CN 201910741040 A CN201910741040 A CN 201910741040A CN 110586490 B CN110586490 B CN 110586490B
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- light source
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- baffle
- position recorder
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- 238000011179 visual inspection Methods 0.000 title claims abstract description 18
- 238000001514 detection method Methods 0.000 claims abstract description 31
- 230000007246 mechanism Effects 0.000 claims abstract description 17
- 238000007664 blowing Methods 0.000 claims abstract description 16
- 239000000463 material Substances 0.000 claims abstract description 13
- 230000000007 visual effect Effects 0.000 claims abstract description 13
- 230000002950 deficient Effects 0.000 claims description 9
- 230000000750 progressive effect Effects 0.000 claims description 9
- 230000001360 synchronised effect Effects 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 3
- 238000007689 inspection Methods 0.000 abstract description 7
- 238000005086 pumping Methods 0.000 description 3
- 230000001960 triggered effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination 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
- 238000001179 sorption measurement Methods 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 bottle cap visual inspection machine, 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; the 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 second detection device comprises a second position recorder, a third camera and a third light source which are connected with the industrial control device through signals; the pneumatic blowing device is arranged below the second conveying belt and is in signal connection with the industrial control device. The bottle cap visual inspection machine provided by the invention can provide comprehensive inspection and has high inspection efficiency and inspection quality.
Description
Technical Field
The invention relates to the field of machinery, in particular to a visual inspection machine for bottle caps.
Background
The bottle cap is a common filling assembly, and is also a very important filling assembly, and the tightness and the deformation of the cap can influence the tightness of filling materials, whether accidents such as overflow occur or not, and the appearance of a product can be influenced. If the shape and the interior of the cap are abnormal, the cap is inspected after being assembled with the bottle, the reject ratio is improved, the rework rate is increased, and the loss of the external material and the internal material is caused, so that the produced cap is usually inspected before being assembled, and the quality of the cap before being assembled is ensured.
The existing bottle cap defective products are detected, and the existing bottle cap defective products are usually detected in a manual mode, so that the efficiency is low, the detection quality is low, and automatic visual detection is partially adopted, but the existing detection mechanism is insufficient in detection surface or low in precision, so that the detection effect is not good enough.
Disclosure of Invention
The invention provides a bottle cap visual inspection machine which can provide comprehensive inspection and has high inspection efficiency and inspection quality.
The technical scheme of the invention is realized as follows:
The visual detection machine for the bottle caps comprises a frame, a first material distributing mechanism, a first detection device, a second detection device, a first conveying belt, a second conveying belt and an industrial control device, wherein the first material distributing mechanism is arranged on the frame; the baffle mechanism is arranged above the first conveying belt and comprises two opposite left baffles, a right baffle and an upper baffle arranged between the two baffles, the upper baffle is arranged above the rotating disc and extends along the first conveying belt, and the left baffle and the right baffle are respectively arranged on two sides of a path of the bottle cap travelling path;
The detection device I comprises a position recorder I, a light source I is arranged above the position recorder I along the advancing direction of the conveying belt and positioned behind the position recorder I, a camera I is arranged right above the light source, and the position recorder I, the light source I and the camera I are in signal connection with the industrial control device; the first visual detection device is arranged behind the first light source and comprises at least four cameras which are distributed at 90 degrees and are respectively arranged at four points of the circumference, and the second light source is arranged right above the path of the bottle cap path and is positioned in the photographing intersection center area of the four cameras; the second light source is in signal connection with the second camera and the industrial control device;
The pneumatic removing device is in signal connection with the industrial control device and is arranged at the rear part of the visual detection device;
The second conveyor belt is arranged above the first conveyor belt, a plurality of openings I are uniformly formed in the middle of the second conveyor belt, the second conveyor belt is a synchronous belt and is connected with a vacuumizing device, and the front end of the second conveyor belt is overlapped with the tail end of the first conveyor 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 the path of the bottle cap travel, the camera III is arranged right below the light source III, the position recorder II is arranged in front of the light source III and records light rays on the path of the bottle cap travel, and the position recorder II is in signal connection with the camera III and the light source III;
The pneumatic blowing device is arranged below the second conveying belt and comprises a blowing device for blowing defective products and a discharging opening for containing the defective products, and the pneumatic blowing device is in signal connection with the industrial control device.
The invention provides a bottle cap visual inspection machine, which is characterized in that bottle caps are separated through a rotary disc, so that the uniform spacing between the bottle caps can be ensured, the bottle caps can not be extruded, and the machine is safe and controllable; the bottle caps are subjected to serial number recording one by one through position record one after being separated, meanwhile, the camera is triggered by the industrial control switch, the top surface of the bottle caps or the inner bottom surface and the annular wall can be photographed and compared, then, the outer circular wall surface of the bottle caps can be photographed and compared when the bottle caps pass through the camera II, the bottle caps are good products and continue to move forward when the bottle caps are ok, and if one of the bottle caps is NG, defective products are removed from the station of the pneumatic removing device through the serial number of the position recorder I. Then the bottle cap of ok continues to move forward to the junction of conveyer belt one and conveyer belt two, and conveyer belt two is because it is continuous with evacuating device, consequently will be sucked to conveyer belt two after the lid receives the suction, along with the removal of conveyer belt two to position recorder two carry out new numbering to it, then the path again is to the camera three-way through the bottom photo after comparing bottom and the photo of annular wall or top surface of its inside again, according to the result of comparison industrial control device will trigger pneumatic blowing device and blow off unqualified product, qualified product continues to be conveyed to the discharge gate by conveyer belt two. The bottle cap visual inspection machine provided by the invention can detect and compare each surface of the bottle cap, can realize quick elimination, has a simple structure, can uniformly divide materials, does not damage the bottle cap, and has high inspection precision.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the invention, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is a schematic perspective view of a body portion of a table of a frame of a visual inspection machine for bottle caps in accordance with 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 flat panel and the support plate of FIG. 1;
FIG. 4 is an enlarged view of a portion of FIG. 3 at B;
Fig. 5 is a schematic perspective view of the powder mechanism.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 to 5, a visual inspection machine for bottle caps includes a frame 1, a first conveying belt 11, a second conveying belt 12, and an industrial control device (not shown), wherein the first conveying belt 1, the second conveying belt 12, and the industrial control device (not shown) are disposed on the frame 1, the first conveying belt 11, the second conveying belt 12, and the industrial control device (not shown), the first conveying belt 11, the second conveying belt 12, and the industrial control device, respectively, comprise a baffle mechanism 3 and a material distribution group, the material distribution group comprises two opposite rotating disks 4 disposed on two sides of the first conveying belt 11 and disposed on paths of the bottle caps, and the rotating disks 4 are uniformly provided with a plurality of circular arc-shaped notches 41 respectively for matching with the bottle caps; the baffle mechanism 3 is arranged above the first conveyor belt 11 and comprises two opposite left baffles 32, right baffles 33 and an upper baffle 31 arranged between the two baffles, the upper baffle 31 is arranged above the rotating disc 4 and extends along the first conveyor belt 11, and the left baffles 32 and the right baffles 33 are respectively arranged at two sides of the path of the bottle cap path; the frame 1 is further provided with a frame cover capable of being turned and opened, the two opposite rotating discs 4 move relatively at the same speed, the notches 41 on the rotating discs surround the outer circumference of the bottle cap and continuously push the bottle cap forwards, and as the rotating speed of the rotating discs 4 can be adjusted, the distance between the front bottle cap and the rear bottle cap can be adjusted through the rotating speed of the rotating discs 4, and even distance can be achieved. The lengths of the left baffle 32 and the right baffle 33 are from the bottle cap to a point before entering the rotary disc 4, the tail part is arranged on the bottle cap after being discharged, and the conveying belt is capable of conveying the bottle cap stably.
The first detection device comprises a first position recorder 5, a first light source 6 is arranged above the first position recorder 5 along the advancing direction of the first conveyor belt 11 and behind the first position recorder 5, a first camera 7 is arranged right above the first light source, and the first position recorder 5, the first light source 6 and the first camera 7 are in signal connection with the industrial control device (not shown); the first visual detection device is arranged behind the first light source 6 and comprises at least four cameras 71 which are distributed at 90 degrees and are respectively arranged at four points of the circumference, and the second light source 72 is arranged right above the path of the bottle cap path and is positioned in the photographing intersection center area of the four cameras; the second light source 72 is in signal connection with the second camera 71 and the industrial control device (not shown); the first position recorder 5 is used for numbering each passing bottle cap, when the first position recorder 5 detects that a bottle cap passes, 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 as to be 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 started, the photographing range of the first camera 7 is generally larger than the outer circumferential surface of the bottle cap, and the first light source 6 provides a photographing light source when photographing, so long as the bottle cap is within the photographing range; the second cameras 71 are arranged at intervals of 90 degrees, the shooting range of each second camera is slightly larger than the 1/4 outer circumferential surface of the bottle cap, and the 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.
The pneumatic removing device 13 is in signal connection with the industrial control device (not shown) and is arranged behind the visual detection device; by comparing the two parts, an industrial control device (not shown) for unqualified products will mark according to the comparison structure and trigger the pneumatic removing device 13 to remove the unqualified products.
The second conveyer belt 12 is arranged above the first conveyer belt 11, a plurality of first openings 122 are uniformly formed in the middle of the second conveyer belt 12, the second conveyer belt 12 is a synchronous belt and is connected with a vacuumizing device, and the front end of the second conveyer belt 12 is overlapped with the tail end of the first conveyer belt 11; the second conveyor belt 12 is partially overlapped with the first conveyor belt 11, so that the bottle caps can be transferred from the first conveyor belt 11 to the second conveyor belt 12, and the second conveyor belt 12 is used for sucking the bottle caps at the middle position of the second conveyor belt 12 through the first opening 122 on the second conveyor belt 12 by a vacuumizing device.
The second detection device comprises a second position recorder 8, a third camera (not shown) and a third light source 10, the third light source 10 is arranged below the second conveying belt 12 and right below a path of the bottle cap travel path, the third camera (not shown) is arranged right below the third light source 10, the second position recorder is arranged in front of the third light source 10 and records light rays on the path of the bottle cap travel path, and the second position recorder 8 is in signal connection with the third camera (not shown) and the third light source 10; the first camera 7 and the second camera 71 are responsible for photographing the periphery and the inside of the bottle cap, or photographing the periphery and the top, and the rest is absorbed by the conveying belt 12 to be exposed under the condition that the direction of the bottle cap is not changed and no adjustment is needed, and then photographing is carried out 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 disposed below the second conveyor belt 12, and includes a blowing device 151 for blowing defective products and a discharging opening 152 for accommodating the defective products, where 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, the distance between the left baffle 32 and the right baffle 33 is equal to the diameter of the bottle cap, and the vertical distance between the upper baffle 31 and the first conveyor belt 11 is equal to the 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 frame 1, a flat plate 162 is horizontally fixed on the four straight bars 161, threads are arranged on the upper half section of the straight bars 161, four threaded holes are arranged on the flat plate 162, and nuts 166 are respectively arranged on the upper part and the lower part of the threaded holes and are fixed with the straight bars 161; a window 167 is arranged in the middle of the flat plate 162, a fixing groove 168 is respectively arranged at four corners of the flat plate 162, a U-shaped piece I163 is arranged below each fixing groove 168 and is fixed on the fixing groove with a downward opening, and a U-shaped piece II 164 is upwards and is fixed with the U-shaped piece I163 in an up-and-down movable way; the middle part of each second U-shaped piece 164 is fixedly provided with a second camera; the second light source 72 is fixed under the window 167 of the plate 162. The visual detection device can move up or down along with the whole mounting bracket 16 so as to be matched with bottle caps with different heights, the position of the flat plate 162 on the straight rod 161 is only required to be adjusted, the position of the U-shaped part I163 on the fixing groove 168 is also adjustable, and the fixing groove 168 is provided with a space for the U-shaped part I163 to move back and forth along the circle center of the light source II 72; the second U-shaped member 164 can move up and down along the first U-shaped member 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, so that the bottle cap can be ensured to be in the shooting range.
Preferably, the conveyor belt comprises a supporting frame 17, wherein the supporting frame 17 comprises two opposite vertical plates 171 and a bearing plate 172 connected with the vertical plates 171, the supporting frame 17 spans on the conveyor belt 11, and the bottom of the supporting frame is fixed with the top of the frame 1; the receiving plate 172 is provided with a plurality of elongated holes 174, the middle of the receiving 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 are fixed on the elongated holes 174 in a left-right movable manner; the upper baffle plate comprises at least one vertical plate 311 and a transverse plate 312, the transverse plate 312 is parallel to the first conveyor belt 11, and long holes are formed in the vertical plate 311 and correspond to the through holes of the extension parts 173; there are also two progressive motors 2, the progressive motors 2 are fixed on the bearing plate 172, and the lower part of each progressive motor 2 is connected with the rotating disk 4. The left baffle 32, the right baffle 33 and the upper baffle 31 are fixed on the support frame 17, and the rotary disk 4 driven by the progressive motor 2 is also fixed on the support frame 17, and the long holes have a certain length distance, so that the spacing 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 long holes 174, thereby being suitable for bottle caps with different diameters, and preventing the left side and the right side of the bottle cap from deviating; similarly, when the long hole of the upper baffle 31 is connected with the extension part 173, the vertical distance can be adjusted to adapt to bottle caps with different heights, the distance between the rotating disc 4 and the progressive motor 2 can be adjusted, and the two opposite progressive motors 2 are fixed on the supporting frame 17 through the long strip-shaped holes 174, so that the transverse distance adjustment can be performed to adapt to the bottle caps with different diameters.
Preferably, the first position recorder 5 and the second position recorder 8 are infrared light recorders, and the first position recorder 5 and the second position recorder 8 each comprise an emitter and a reflector opposite to the emitter. The first position recorder 5 and the second position recorder 8 are respectively used for numbering and recording bottle caps which are about to start photographing and triggering information for an industrial control signal, the bottle caps are prompted to come, and the industrial control device (not shown) triggers the camera to photograph again 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 speeds of the first conveyor belt 11 and the second conveyor belt 12 are fixed, the distance between the first position recorder 8 and the first camera 7, the distance between the second camera 71 and 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 the photographing function according to the time delay after the signal of the position recorder is obtained; the industrial control device (not shown) is further configured to compare the pictures taken by the first camera 7, the second camera 71 and the third camera (not shown) with preset bottle cap parameters, compare the top surface information if the pictures are taken by the first camera 7, record whether the result is ok, compare the pictures obtained by the second camera 71 again when the bottle cap continues to move below the second light source 72, record the result as ok, if the two record structures are ok, the bottle cap is good before the bottle cap continues to be transported, if one record is unqualified, the industrial control device (not shown) will start the rejection procedure to reject the bottle cap when moving to the station of the pneumatic rejection device 13. The numbering on the first conveyor belt 11 is therefore no longer suitable for the numbering on the second conveyor belt 12.
Preferably, the device further comprises an adjusting frame 18, the adjusting frame 18 comprises two sets 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 two sides of the front end and the rear end of each supporting plate 182, a synchronizing mechanism is arranged in the second conveyor belt 12 and is connected with the connecting plate 183, and the supporting plates 182 can move up and down along the supporting columns 181; a fixing plate 184 is further 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 frame 18 can drive the supporting plate 182 and the components fixed on the supporting plate 182 to move up and down, i.e. the second conveyor belt 12 can vertically move up or down, so that the height difference between the second conveyor belt 12 and the first conveyor 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 annular light sources. The bottle cap is generally circular in shape, and the annular light source is uniform in light and can surround the shot object by 360 degrees to ensure shooting quality, in the scheme, the second light source 72 is larger than the first light source 6 and the third light source 10 in diameter because the second light source provides illumination for the four second cameras 71 to shoot.
Preferably, a plurality of openings two 111 are uniformly arranged in the middle of the first conveyor belt 11, and the first conveyor belt 11 is a synchronous belt and is connected with a vacuumizing device. The bottle caps are generally lighter in weight, so that displacement or turnover can be generated when jolt is applied to the conveyor belt, and therefore a vacuum pumping device is connected below the conveyor belt I11 to apply slight suction force to the bottle caps, so that the bottle caps can be more stably kept on the conveyor belt I11 without shaking, an effective photographing effect can be ensured, the suction force of the vacuum pumping device below the conveyor belt I11 is smaller than that of the vacuum pumping device below the conveyor belt II 12, and the conveyor belt II 12 can be ensured to smoothly suck the bottle caps from the conveyor belt I11, and the bottle caps are firmly adhered to the conveyor belt II 12 to move along with the lifting movement.
Preferably, the second conveyor belt 12 is provided with a blanking device 19 below the position between the tail end of the first conveyor belt 11 and the second position recorder 8. The blanking device 19 is used for directly dropping from the blanking device 19 when the bottle caps on the first conveyor belt 11 are carried away by the second conveyor belt 12 and the adsorption is not firm.
The invention provides a bottle cap visual inspection machine, when it works, the bottle cap firstly enters the first conveyer belt 11 from the feed inlet, the first conveyer belt 11 is provided with an opening two 111, the bottom is provided with a vacuumizing device, therefore, the position of the bottle cap can be adjusted under the suction action, the bottle cap is immediately guided to enter the front of two opposite rotating discs 4 by an arch structure formed by a left baffle 32, a right baffle 33 and an upper baffle 31, and the bottle cap is further wrapped by the notch 41 on the two opposite rotating discs 4, then moves forwards and is separated from the notch 41 and moves forwards along with the first conveyer belt 11, at this time, the rotating discs 4 cover the bottle cap to a 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 circumference surface of the rotating discs 4, therefore, the bottle cap can be protected to realize stable straight movement, the bottle cap is moved to the station of the first position recorder 5 along with the first 11 paths of the conveying belt, the infrared light recorder can number the bottle cap when the light is cut off, and send signals to the industrial control device (not shown), the common device triggers the first light source 6 and the first camera 7 to start shooting when the bottle cap is moved to the lower part of the first light source 6 according to the estimated driving time, the photos after shooting are sent to the industrial control device (not shown) to be compared and recorded, the industrial control device (not shown) continuously triggers the second light source 72 and the second camera 71 to start, the four cameras 71 are uniformly distributed on four points of the circumference, the outer wall surface of the bottle cap is shot after triggering and sent to the industrial control device (not shown) to be compared and recorded, the industrial control device (not shown) sends the number of any unqualified product in any one of the two comparison results to the pneumatic removing device 13, and the bottle cap with the number can be removed when being conveyed to a station of the pneumatic removing device; then, the qualified bottle caps continue to move forward along with the first conveyor belt 11 to the position overlapping with the second conveyor belt 12, the second conveyor belt 12 is positioned above the first conveyor belt 11, the suction force of the vacuumizing device 121 connected with the second conveyor belt is larger, so that the bottle caps are sucked onto the second conveyor belt 12 and move forward along with the first conveyor belt 11 or the second conveyor belt 12, if the bottle caps which are not sucked at the joint position fall into the blanking device 19 along with the first conveyor belt 11 or the second conveyor belt 12, the bottle caps which move forward along with the second conveyor belt 12 are renumbered when reaching the position recorder 8, a trigger signal is sent to an industrial control device (not shown), the industrial control device (not shown) triggers the third light source 10 and the third camera (not shown) to work according to the signals, the third camera (not shown) is arranged below the table top of the machine frame 1, the third light source 10 is arranged on the table top of the machine frame 1, the third light source 10 is also returned to the industrial control device (not shown) for comparison after photographing, the industrial control device (not shown) compares the qualified or unqualified product numbering information is sent to the pneumatic blowing device 15 after comparing, and the unqualified product is conveyed to the blowing port through the pneumatic blowing device.
The visual detection machine for the bottle caps is simple in structure and ingenious in design, and each surface of the bottle caps can be shot in place through a plurality of mechanical structures and compared. The accuracy of the test is ensured and can be realized without any complicated equipment or high cost.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (7)
1. The visual detection machine for the bottle caps is characterized by comprising a rack, a first material distributing mechanism, a first detection device, a second detection device and an industrial control device, wherein the first material distributing mechanism, the second conveyor belt and the industrial control device are arranged on the rack; the baffle mechanism is arranged above the first conveying belt and comprises two opposite left baffles, a right baffle and an upper baffle arranged between the two baffles, the upper baffle is arranged above the rotating disc and extends along the first conveying belt, and the left baffle and the right baffle are respectively arranged on two sides of a path of the bottle cap travelling path;
The detection device I comprises a position recorder I, a light source I is arranged above the position recorder I along the advancing direction of the conveying belt and positioned behind the position recorder I, a camera I is arranged right above the light source, and the position recorder I, the light source I and the camera I are in signal connection with the industrial control device; the first visual detection device is arranged behind the first light source and comprises at least four cameras which are distributed at 90 degrees and are respectively arranged at four points of the circumference, and the second light source is arranged right above the path of the bottle cap path and is positioned in the photographing intersection center area of the four cameras; the second light source is in signal connection with the second camera and the industrial control device;
The pneumatic removing device is in signal connection with the industrial control device and is arranged at the rear part of the visual detection device;
The second conveyor belt is arranged above the first conveyor belt, a plurality of openings I are uniformly formed in the middle of the second conveyor belt, the second conveyor belt is a synchronous belt and is connected with a vacuumizing device, and the front end of the second conveyor belt is overlapped with the tail end of the first conveyor 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 the path of the bottle cap travel, the camera III is arranged right below the light source III, the position recorder II is arranged in front of the light source III and records light rays on the path of the bottle cap travel, and the position recorder II is in signal connection with the camera III and the light source III;
The pneumatic blowing device is arranged below the second conveying belt and comprises a blowing device for blowing defective products and a discharging opening for containing the defective products, and is in signal connection with the industrial control device;
the visual detection device comprises a mounting bracket, wherein the mounting bracket comprises four straight rods which are respectively erected on four points of the top surface of the frame, a flat plate is horizontally fixed on the four straight rods, threads are arranged on the upper half section of the straight rods, four threaded holes are formed in the flat plate, and nuts are respectively arranged on the upper part and the lower part of the threaded holes and are fixed with the straight rods; the middle part of the flat plate is provided with a window, four corners of the flat plate are respectively provided with a fixed groove, a U-shaped piece is arranged below each fixed groove and is fixed on the fixed groove in a downward way, and two openings of the U-shaped piece are upwards and are fixed with the U-shaped piece in an up-and-down movable way; the middle part of each second U-shaped piece is fixed with a second camera; the second light source is fixed below the window of the flat plate;
The first light source, the second light source and the third light source are annular light sources.
2. The visual inspection machine for bottle caps according to claim 1, wherein a left baffle of the baffle mechanism is arranged on the left side of the first conveyor belt, a right baffle is arranged on the right side of the first conveyor belt, the upper baffle is arranged above the first conveyor belt, the distance between the left baffle and the right baffle is equal to the diameter of the bottle cap, and the vertical distance between the upper baffle and the first conveyor belt is equal to the height of the bottle cap.
3. The visual inspection machine for bottle caps according to claim 2, further comprising a supporting frame, wherein the supporting frame comprises two opposite vertical plates and a receiving plate connected with the vertical plates, the supporting frame spans on the conveyor belt one and the bottom of the supporting frame is fixed with the top of the frame; the bearing plate is provided with a plurality of strip-shaped holes, the middle part of the bearing plate is provided with an extension part extending upwards, the extension part is provided with a fixing hole, and the left baffle plate and the right baffle plate can be fixed on the strip-shaped holes in a left-right movable manner; the upper baffle plate comprises at least one vertical plate and a transverse plate, the transverse plate is parallel to the conveying belt, and long holes are formed in the vertical plate and correspond to the through holes of the extension parts; the rotary disc is characterized by further comprising two progressive motors, wherein the progressive motors are fixed on the bearing plate, and the lower part of each progressive motor is connected with the rotary disc.
4. The visual inspection machine for bottle caps according to claim 1, wherein the first position recorder and the second position recorder are infrared light recorders, and the first position recorder and the second position recorder both comprise an emitter and a reflector opposite to the emitter.
5. The visual inspection machine for bottle caps according to claim 1, further comprising an adjusting frame, wherein the adjusting frame comprises two sets of opposite supporting columns, a horizontal supporting plate is fixed on each supporting column, two sides of the front end and the rear end of each supporting plate are respectively provided with a connecting plate, a synchronizing mechanism is arranged in the second conveying belt and is connected with the connecting plates, and the supporting plates can move up and down along the supporting columns; and a fixing plate is further connected between the connecting plates on the same side, and the second position recorder is fixed on the fixing plate.
6. The visual inspection machine for bottle caps according to claim 1, wherein a plurality of openings two are uniformly formed in the middle of the first conveyor belt, and the first conveyor belt is a synchronous belt and is connected with a vacuumizing device.
7. The visual inspection machine for bottle caps according to claim 1, wherein a blanking device is arranged 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 |
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| CN201910741040.4A CN110586490B (en) | 2019-08-12 | 2019-08-12 | Bottle lid visual inspection machine |
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| CN201910741040.4A CN110586490B (en) | 2019-08-12 | 2019-08-12 | Bottle lid visual inspection machine |
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| CN110586490B true CN110586490B (en) | 2024-05-17 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114405838B (en) * | 2021-09-16 | 2024-06-25 | 河北红帽子制盖有限公司 | Seven-lens visual inspection machine for visual screening of bottle cap images |
| CN114871146B (en) * | 2022-05-06 | 2024-06-11 | 江苏中腾智能装备有限公司 | Cup cover product detection system and detection method |
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