CN109708579A - Metal packaging tank crimping presentation quality on-line monitoring method and its monitoring device - Google Patents
Metal packaging tank crimping presentation quality on-line monitoring method and its monitoring device Download PDFInfo
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- CN109708579A CN109708579A CN201811630684.8A CN201811630684A CN109708579A CN 109708579 A CN109708579 A CN 109708579A CN 201811630684 A CN201811630684 A CN 201811630684A CN 109708579 A CN109708579 A CN 109708579A
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- tin seamer
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Abstract
The present invention is metal packaging tank crimping presentation quality on-line monitoring method and its monitoring device; main indicator i.e. T value, W value, the C value that the present invention continues to use metal packaging tank crimp quality appearance test are monitored online in real time; metal packaging tank the defects of there are the scratch of crimping large area, turned-down edge, false envelopes of tin seamer output can be effectively detected and rejected in the method taken pictures, compared one by one; and occur crimping to comparison value beyond allowable range of error setting value in the case of so that tin seamer is shut down and is alarmed, to reduce the generation of defective products.The present invention have product on line can be detected all, guarantee crimp quality, without the outstanding advantages of manual intervention.
Description
Technical field
The invention belongs to detection method and device, monitor on-line more particularly to a kind of metal packaging tank crimping presentation quality
Method and its monitoring device.
Background technique
The end cap of metal packaging tank securely engages generally with can body using double seam method, makes to form common name between the two
Impervious seam having contact with formula for bilayer, being made of five layers of thin plate material, to achieve the effect that high-seal.Outside for crimp quality
Seeing the main indicator examined is seam width W, curling thickness T and the countersink depth after end cap 2 and 1 seaming of can body as shown in Figure 1
C.Long-term practice teaches that the packing jar of crimping appearance test qualification can illustrate generally to also comply with requirement in composition in it.
In the prior art, crimping micrometer, vernier caliper, personality card are generallyd use for the appearance test of crimp quality
The tools such as ruler, depth gauge, amesdial or projector are inspected by random samples, have the defects that find that in time deviation occurs in tin seamer,
Often there are a large amount of waste products.
Summary of the invention
The purpose of the present invention is to solve existed in the prior art for crimp quality appearance test using sampling observation mode
It cannot find that the technical issues of deviation occurs in tin seamer in time, and disclose a kind of metal packaging tank crimping presentation quality on-line monitoring
Method and its monitoring device.
Metal packaging tank crimping presentation quality on-line monitoring method, comprising the following steps:
(1) pass through the take pictures width images for obtaining grade metal tank crimping, thickness and countersink depth image, wherein width images
It is made of metal can crimping circumference equal dividing image, width images, thickness and the countersink depth image of the crimping are as hem standard
Image is stored in computer；
(2) the detection conveyer belt for carrying tested metal can is dragged in setting, and detection conveyor front end linking is exported in tin seamer to transmit
Band, rear end linking exit conveyor, each conveyer belt after inspection synchronize operation in the same direction, set in the detection conveyor belt region
Set the industrial high speed camera that can be taken pictures respectively to width, thickness and the countersink depth of tested metal can crimping；
(3) computer is to the metal can and tin seamer synchronous counting of tin seamer output, and the metal can of tin seamer output is by sealing
The push of tank machine exit conveyor becomes tested metal can in detection conveyer belt, is detected the triggering industry high speed of signal in place of metal can
Camera is taken pictures, and image is exported to computer, and computer passes through image analysis processing software for tested metal can crimping
Image is compared with standard crimping image, and computer is to there are the scratch of crimping large area, turned-down edge, false envelope defect metal packaging tank foundations
Counting sequence is recorded, and the rejecting mechanism of exit conveyor after inspection is enabled to be rejected the tested metal can of bead defective,
When computer exceeds allowable range of error setting value to comparison value, computer output enables tin seamer halt instruction, while acousto-optic report
It is alert；
(4) enabling signal that tin seamer shuts down after correction transports to computer, and computer reenters counting and image analysis
Processing routine.
The detection conveyer belt and industrial high speed camera are set in shielded from extraneous light channel, are shielded to be equipped in channel and be taken pictures
Light source.
Metal packaging tank crimp quality on-Line Monitor Device, including what is be made of the spiral propeller of track and track two sides
Tin seamer exit conveyor and can rejecting mechanism, are characterized in, the on-Line Monitor Device is equipped with detection conveyer belt, the detection
Transmission belt surface is equipped with the pallet of tested metal can, and pallet is equipped with tested metal can positioning groove, interval and sealed cans between pallet
The spiral propeller screw pitch of machine exit conveyor is equal, and the detection conveyor front end is connected in tin seamer exit conveyor, after
End linking exit conveyor after inspection, exit conveyor structure is identical as tin seamer exit conveyor after inspection, each conveyer belt
Operation in the same direction is synchronized, the detection conveyer belt is equipped with position of taking pictures, and the radiuses such as 120 ゜ of circumference of bracket support are equipped with above position of taking pictures
The industrial high speed cameras of 3 of distribution, above and below 3 industrial high speed camera crossing point of axes and each pallet positioning groove center movement track
Be overlapped, it is each industry high speed camera camera lens the same horizontal position and with corresponding, the bracket on the outside of tested metal can crimping
The center industry high speed camera of the camera lens of corresponding 3 industrial high speed camera crossing point of axes vertically downward is further supported, in camera lens
The positioning groove center movement track of the heart and pallet coincides with the upper and lower, and the detection conveyer belt takes pictures a side equipped with tested metal can
Push reflection infrared sensor in place, 3 industrial high speed camera its axial line intersection points are coincided with the upper and lower with positioning groove center
When reflection infrared sensor light beam and tested metal tank front end it is tangent, the on-Line Monitor Device be equipped with computer,
Computer and tin seamer to the metal can synchronous counting of tin seamer output, the tested metal can of reflection infrared sensor output
Signal is connected to the tripper that each industrial high speed camera and center industry high speed camera are taken pictures, each industry high speed phase in place
The image of machine and center industry high speed camera is exported to computer disposal, and computer is equipped with connection tin seamer and shuts down control terminal harmony
The control output end of light crossing-signal, bead defective metal packaging tank rejecting mechanism.
The pallet is that detection conveyer belt is followed to twist the flexible pallet of deformation.
The detection conveyer belt is made of servo motor, toothed belt and tooth form synchronous belt.
The detection conveyer belt and industrial high speed camera are equipped with shielded from extraneous light cover, are equipped with light of taking pictures in shielded from extraneous light cover
Source.
The tested can rejecting mechanism is to reject cylinder or motor-driven rejecting bar.
Advantages and advantages of the invention are: the present invention continue to use metal packaging tank crimp quality appearance prison test it is main
Index, that is, T value, W value, C value are monitored online in real time, effectively can be detected and be rejected in the method taken pictures, compared one by one
Metal packaging tank the defects of there are the scratch of crimping large area, turned-down edge, false envelopes of tin seamer output, and there is crimping comparison
To value beyond making tin seamer shut down and alarm in the case of allowable range of error setting value, to reduce the generation of defective products.
The present invention have product on line can be detected all, guarantee crimp quality, without the outstanding advantages of manual intervention.
Detailed description of the invention
Attached drawing 1 is that metal packaging tank crimp quality appearance prison tests main indicator schematic diagram.
Attached drawing 2 is monitoring device structural schematic diagram of the invention.
Attached drawing 3 is monitoring method flow chart of the present invention.
Marked in the figure: 1 tank body, 2 cappings, 3 detection conveyer belts, 4 pallets, 4-1 positioning groove, 5 brackets, 6 industrial high speed phases
Machine, 7 center industry high speed cameras, 8 reflection infrared sensors, 9 shielded from extraneous light covers.
Specific embodiment
The present invention is further illustrated below with reference to embodiment and its attached drawing.
Embodiment as shown in Figure 2, this on-Line Monitor Device are equipped with detection conveyer belt 3, and front end linking is exported in tin seamer
Conveyer belt (arrow A), rear end linking exit conveyor (arrow B) after inspection, exports transmission after tin seamer exit conveyor and inspection
Band is made of the spiral propeller of track and track two sides.Biography is exported after detecting conveyer belt 3, tin seamer exit conveyor and inspection
Band is sent to synchronize operation in the same direction.
The detection conveyer belt 3 of embodiment is made of servo motor, the driving and driven belt wheel of tooth form and tooth form synchronous belt.
Detection transmission belt surface is equipped with the pallet 4 of tested metal can, and pallet is that detection conveyer belt is followed to twist the soft of deformation
Tough pallet, pallet are equipped with tested metal can positioning groove 4-1, the screw propulsion at interval and tin seamer exit conveyor between pallet
Device screw pitch is equal.
Detection conveyer belt 3 is equipped with position of taking pictures, and the 3 of the radius distributions such as 120 ゜ of circumference that bracket 5 supports are equipped with above position of taking pictures
Above and below the positioning groove 4-1 center movement track of 6,3 industrial 6 crossing point of axes of high speed camera of platform industry high speed camera and each pallet
It is overlapped, the camera lens of each industry high speed camera is in the same horizontal position and corresponding on the outside of tested metal can crimping.Bracket also props up
Support has the center industry high speed camera 7 of the camera lens of corresponding 3 industrial high speed camera crossing point of axes vertically downward, optical center with
The positioning groove 4-1 center movement track of pallet coincides with the upper and lower.
Detection conveyer belt 3 side of taking pictures is equipped with 8,3 works of reflection infrared sensor of tested metal can push in place
The light beam and quilt of reflection infrared sensor 8 when its axial line intersection point of industry high speed camera 6 and the center positioning groove 4-1 coincide with the upper and lower
It is tangent to examine metal tank front end, it is understood that for light beam with the front end positioning groove 4-1 along tangent.
The detection conveyer belt 3 of embodiment and industrial high speed camera be equipped with shielded from extraneous light cover 9, avoids ambient light to taking pictures
Interference.Light source of taking pictures is equipped in shielded from extraneous light cover 9.
Exit conveyor (arrow B) is equipped with bead defective and is detected can rejecting mechanism after inspection, and rejecting mechanism can be rejecting
Cylinder or motor-driven rejecting bar, the piston rod or motor-driven rejecting bar for rejecting cylinder, which are equipped with, to be detected can with defect and connects
The curved head of touching, specific structure are identical as the can rejecting mechanism of existing canning line.
Illustrate monitoring method of the invention below in conjunction with Fig. 2,3:
Seam width W image, the curling thickness T of end cap 2 and 1 seaming of can body qualification as shown in Figure 1 are obtained by taking pictures
With countersink depth C image, wherein width images W is made of partial images such as 120 ゜ of metal can crimping circumference, and described image is as crimping
Standard picture is stored in computer.Seaming qualification is to be measured with design size for foundation, using various tools or projector.
Tested metal can crimping image is obtained by the monitoring device of Fig. 2, wherein width images are by radiuses such as 120 ゜ of circumference
The industrial high speed camera of 3 of distribution obtains, and thickness and countersink depth image are obtained by center industry high speed camera 7.
Computer is to the metal can and tin seamer synchronous counting of tin seamer output, and the metal can of tin seamer output is by tin seamer
Exit conveyor push becomes tested metal can in detection conveyer belt, when reflection infrared sensor 8 exports tested metal can
Signal in place when trigger while industrial high speed camera is taken pictures and also export tested metal can crimping image to computer,
Keep the received crimping image of computer consistent with the metal can of count tag.
Computer is by image analysis processing software by hem standard image and tested metal can crimping image using existing
Gray threshold or edge split plot design be divided into mutually disjoint region and number compare one by one.
Computer is recorded to there are the scratch of crimping large area, turned-down edge, the false tested metal cans sealed according to counting sequence,
The rejecting mechanism of exit conveyor (Fig. 2 arrow B) is picked the tested metal can of equal bead defectives after being examined by program instruction
It removes.Qualified tested metal can pushes to subsequent processing by exit conveyor after inspection and for example packs.
When computer exceeds allowable range of error setting value to comparison value, computer output enables tin seamer halt instruction, together
When sound-light alarm.
The enabling signal that tin seamer shuts down after calibrated reparation transports to computer, and computer reenters counting and image point
Analyse processing routine.
Claims (7)
1. metal packaging tank crimping presentation quality on-line monitoring method, it is characterised in that the following steps are included:
(1) by the take pictures width images for obtaining grade metal tank crimping, thickness and countersink depth image, wherein width images are by gold
Belong to tank crimping circumference equal dividing image composition, width images, thickness and the countersink depth image of the crimping are as hem standard image
It is stored in computer；
(2) the detection conveyer belt for carrying tested metal can is dragged in setting, and detection conveyor front end is connected in tin seamer exit conveyor, after
End linking exit conveyor, each conveyer belt after inspection synchronize operation in the same direction, and energy is arranged in the detection conveyor belt region
Enough industrial high speed cameras taken pictures respectively to width, thickness and the countersink depth of tested metal can crimping；
(3) computer is to the metal can and tin seamer synchronous counting of tin seamer output, and the metal can of tin seamer output is by tin seamer
Exit conveyor push becomes tested metal can in detection conveyer belt, and the signal in place for being detected metal can triggers industrial high speed camera
It takes pictures, and image is exported to computer, computer passes through image analysis processing software for tested metal can crimping image
It is compared with standard crimping image, computer is to there are the scratch of crimping large area, turned-down edge, false envelope defect metal packaging tanks according to counting
Sequence is recorded, and the rejecting mechanism of exit conveyor after inspection is enabled to be rejected the tested metal can of bead defective, is calculated
When machine exceeds allowable range of error setting value to comparison value, computer output enables tin seamer halt instruction, while sound-light alarm；
(4) enabling signal that tin seamer shuts down after correction transports to computer, and computer reenters counting and image analysis processing
Program.
2. on-line monitoring method according to claim 1, it is characterised in that: the detection conveyer belt and industrial high speed camera
It is set in shielded from extraneous light channel, shields and be equipped with light source of taking pictures in channel.
3. metal packaging tank crimp quality on-Line Monitor Device, including the envelope being made of the spiral propeller of track and track two sides
Tank machine exit conveyor and can rejecting mechanism, it is characterised in that: the on-Line Monitor Device is equipped with detection conveyer belt, the inspection
The pallet that transmission belt surface is equipped with tested metal can is surveyed, pallet is equipped with tested metal can positioning groove, interval and envelope between pallet
The spiral propeller screw pitch of tank machine exit conveyor is equal, and the detection conveyor front end is connected in tin seamer exit conveyor,
Rear end linking exit conveyor after inspection, exit conveyor structure is identical as tin seamer exit conveyor after inspection, each transmission
Band synchronizes operation in the same direction, and the detection conveyer belt is equipped with position of taking pictures, and 120 ゜ of circumference of bracket support etc. half is equipped with above position of taking pictures
3 industrial high speed cameras of diameter distribution, on 3 industrial high speed camera crossing point of axes and each pallet positioning groove center movement track
Lower coincidence, it is each industry high speed camera camera lens the same horizontal position and with corresponding, the branch on the outside of tested metal can crimping
Frame further supports the center industry high speed camera of the camera lens of corresponding 3 industrial high speed camera crossing point of axes vertically downward, camera lens
Center and the positioning groove center movement track of pallet coincide with the upper and lower, and the detection conveyer belt takes pictures a side equipped with tested metal
Tank push reflection infrared sensor in place, 3 industrial high speed camera its axial line intersection points weigh up and down with positioning groove center
The light beam of reflection infrared sensor and tested metal tank front end are tangent when conjunction, and the on-Line Monitor Device, which is equipped with, to be calculated
The metal can synchronous counting of machine, computer and tin seamer to tin seamer output, the tested metal of reflection infrared sensor output
The signal in place of tank is connected to the tripper that each industrial high speed camera and center industry high speed camera are taken pictures, and each industry is high
The image of fast camera and center industry high speed camera is exported to computer disposal, and computer is equipped with connection tin seamer and shuts down control terminal
With the control output end of combined aural and visual alarm, bead defective metal packaging tank rejecting mechanism.
4. on-Line Monitor Device according to claim 3, it is characterised in that: the pallet is that detection conveyer belt is followed to twist
The flexible pallet of deformation.
5. on-Line Monitor Device according to claim 3, it is characterised in that: the detection conveyer belt is by servo motor, tooth
Shape belt wheel and tooth form synchronous belt are constituted.
6. on-Line Monitor Device according to claim 3, it is characterised in that: the detection conveyer belt and industrial high speed camera
Equipped with shielded from extraneous light cover, light source of taking pictures is equipped in shielded from extraneous light cover.
7. on-Line Monitor Device according to claim 3, it is characterised in that: the tested can rejecting mechanism is to reject gas
Cylinder or motor-driven rejecting bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811630684.8A CN109708579A (en) | 2018-12-29 | 2018-12-29 | Metal packaging tank crimping presentation quality on-line monitoring method and its monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811630684.8A CN109708579A (en) | 2018-12-29 | 2018-12-29 | Metal packaging tank crimping presentation quality on-line monitoring method and its monitoring device |
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| Publication Number | Publication Date |
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| CN109708579A true CN109708579A (en) | 2019-05-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811630684.8A Pending CN109708579A (en) | 2018-12-29 | 2018-12-29 | Metal packaging tank crimping presentation quality on-line monitoring method and its monitoring device |
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Application publication date: 20190503 |
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