CN105857766A - Detection system suitable for wine filling production line - Google Patents
Detection system suitable for wine filling production line Download PDFInfo
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- CN105857766A CN105857766A CN201510033562.0A CN201510033562A CN105857766A CN 105857766 A CN105857766 A CN 105857766A CN 201510033562 A CN201510033562 A CN 201510033562A CN 105857766 A CN105857766 A CN 105857766A
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Abstract
The invention relates to the technical field of beer production, in particular to a detection system of a wine production line. According to a detection system suitable for a wine filling production line, the detection device arranged on the filling production line is adopted to detect a filled beer bottle body and remove bad quality products which are not enough in filled material and unqualified in liquid level. The detection device comprises a liquid level detection device body for detecting the interior of a bottle, a sealing detection device body for detecting the air tightness of a bottle cover, and a bottle body detection device body for detecting the bottle body, a bottle neck, the joint of the bottle body and the bottle bottom and the bottle bottom. By means of the technical scheme, compared with the detection mode of a traditional wine filling production line, the detection precision is improved, false detection in the manual detection procedures is avoided, the detection quality is improved, the detection interval time is effectively shortened, and the working efficiency of the production line is improved.
Description
Technical field
The present invention relates to technical field of beer production, be specifically related to the detecting system of a kind of drinks production line.
Background technology
Medicated beer is one of the most most popular drinks beverage, has huge consumption basis, is therefore
Meeting the market demand, the efficiency of beer production line must reach the highest.
The reasons such as the backwardness of domestic traditional quality inspection equipment, method and production line, cause the efficiency of production line
Relatively low, it is impossible to meet the market demand.In order to save manufacturing cost and control environmental problem, bottle usually by
Reuse after recovery, before fill medicated beer again, bottle can through over cleaning and sterilization, but clean and
The process of sterilization does not ensures that completely by cigarette end or grow and be attached to the mildew of bottle inwall and remove dry
Only, after filling, cigarette end can float on liquid level to such bottle, and mildew can be along with the leaching of beer liquid
Profit and at the bottom of coming off and being deposited on bottle, such product comes into the market and can affect health, needs from production
Reject on line；After fill operation completes, it also occur that the liquid level in the situation that liquid filling is the most up to standard, i.e. bottle is low
In the height of standard fill, this series products falls within substandard products and needs to reject from production line；Fill operation
The capping operation carried out for bottle after completing is owing to bottle cap quality, bottleneck are damaged or closure cap applying apparatus problem
And causing bottle air-tightness the most up to standard, in this series products carries out making bottle in storage and transportation, liquid becomes
Matter and cannot use, the product that therefore air-tightness is the most up to standard be also required to from production line reject.
Domestic for include on drinks filling production lines in bottle precipitate at the bottom of liquid level, liquid level floater, bottle and
The bubble-tight detection method of bottle cap typically uses hand inspection, based on range estimation, such detection mode phase
It is to fall behind and poor efficiency for the production line of automatization's fill.This present situation constrains the efficiency of production line.
There is the situation such as missing inspection, flase drop in manual detection, along with the degree of fatigue of testing staff increases, error rate is also
Can increase.And, manual detection inefficient, far cannot catch up with medicated beer auto-filling equipment
Rated capacity, thus cause the efficiency of whole production line to can not get promoting.Substandard products come into the market, and can affect
The health of consumer, thus enterprise is caused huge credibility loss and economic loss.
Summary of the invention
It is an object of the invention to, it is provided that a kind of detecting system being applicable to drinks filling production lines, solve
Above technical problem.
Technical problem solved by the invention can realize by the following technical solutions:
A kind of detecting system being applicable to drinks filling production lines, uses the inspection being arranged on filling pipeline
Survey after the beer bottle bottle after fill is detected by device and reject bad product, it is characterised in that detection
Device includes one for entering position bottom connecting portion at the bottom of bottleneck position, body position, body and bottle and bottle
The bottle detection device of row detection, described bottle detection device includes that bottle detection camera, body rotate dress
Put, wherein, body rotary apparatus be one by clamping bottle after make it around self during by transfer
The conveyer device that symmetrical center line rotates to an angle, its front end connects front road streamline conveyer, thereafter
Road streamline conveyer after end connection；
Bottle detection camera includes for the first bottle detection camera to body location detection, for bottle
Second bottle of neck location detection detects camera, for the 3rd bottle of junction detection at the bottom of body and bottle
Detection camera and the 4th bottle detection camera to location detection at the bottom of bottle, wherein, the first bottle detection camera
By the sampling analysis of body position is determined whether mildew, the second bottle detection camera is by bottleneck
Position sampling analysis judges whether bottleneck position has in mildew or bottle whether have floating thing at liquid level face,
To junction sampling analysis at the bottom of body and bottle, 3rd bottle detection camera is by judging whether this position exists
Mildew, the 4th bottle detection camera is by determining whether mildew and precipitate to sampling analysis at the bottom of bottle；
One first detection work it is respectively equipped with on the forward and backward road streamline conveyer being connected with body rotary apparatus
Position and the second detection station, the either side of two detection stations is equipped with one first bottle detection camera and
Second bottle detects camera, and camera is detected higher than the first bottle in the position that arranges of the second bottle detection camera；
Body rotary apparatus includes two conveyor surfaces being positioned at bottle both sides and carrying in the same direction, two conveyor surfaces
Carrying out transfer after the bottle clamping of gravity flow waterline conveyer in the future, the transporting velocity of two conveyor surfaces is different,
Thus form tangential speed difference at conveyor surface and bottle contact point, make the bottle in clamping transfer because of speed
Degree is poor and produces rotation, by obtaining specific speed difference after the speed of two conveyor surfaces is adjusted respectively,
Make the effect realizing allowing bottle rotate special angle in the transfer length range of conveyor surface, due to bottle
In streamline course of conveying, being that the form accumulated is packed together transfer, the most adjacent bottle connects
The position touched judges bottle situation, by making bottle rotate to an angle in transfer after being difficult to sampling
Mode part that bottle is covered expose, coordinate be positioned at be connected with body rotary apparatus before and after road flowing water
Detection station on line conveyer, it is achieved that sampling and the inspection to the 360 degree of scopes in the bottle whole body, eliminates
Inspection blind area；
Arbitrary conveyor surface of body rotary apparatus is by being positioned at homonymy and horizontally disposed upper and lower two clamping skins
Band forms, and two clamping belts are parallel to each other, and the width of arbitrary clamping belt is 25mm～35mm, preferably
30mm, two clamping belts between the upper and lower away from for 30mm～60mm, preferably 50mm, the clamping of lower floor
20mm～50mm at the bottom of belt distance bottle, preferred distance 30mm；
Be provided with in the transportation section of body rotary apparatus that junction at the bottom of to body and bottle checks the 3rd
Detecting station and for the 4th detection station to detection at the bottom of bottle, two detection stations keep at a certain distance away,
3rd bottle detection camera includes two cameras laying respectively at the 3rd detection station both sides, in order to at the bottom of bottle
Carrying out the detection in the range of 360 degree with the junction of body, the 4th bottle detection camera is arranged at the 4th inspection
Survey the side of station.
The present invention is in operation process, and bottle is first transported to be positioned at the front road being connected with body rotary apparatus
Body detection for the first time and bottleneck detection for the first time is carried out, so on first detection station of streamline conveyer
During rear bottle continues transfer and enters the transportation section of body rotary apparatus, defeated by two of body rotary apparatus
Send face to hold the rotary transfer carried out with self symmetrical center line as rotary shaft, during pass through the 3rd
During detection station, by after two the 3rd bottle detection camera samplings, junction at the bottom of body and bottle is carried out comprehensively
Detection, continues to transfer load at the 4th detection station, the 4th bottle detection camera detects at the bottom of bottle, finally
After lasting certain level transfer distance, bottle is transported to after being turned over certain degree angle rotate dress with body
Put and at the on the rear road streamline conveyer of connection second detection station, carry out second time body detection and second
Secondary bottleneck detects, in order to comprehensively check body and bottleneck in the case of eliminating check frequency.
The present invention is by adjusting the transporting velocity of two conveyer belts of body rotary apparatus so that its speed difference
Meet and make bottle turn over unspecified angle in the transfer distance that two bodies detect between station, coordinate body
The requirement of detection, can make bottle turn in two bodies detect the fed distance between station 90 degree or
Person 270 degree, in order to guarantee camera can collect body the whole body 360 degree in the range of sample.
The detection station that the present invention is positioned at body rotary apparatus by setting is connected with body rotary apparatus
Before and after detection station on road conveyer, accumulative and travel type on drinks production line can be completed quickly and efficiently defeated
Global detection in the range of 360 degree of the whole body of junction at the bottom of the body of the bottle sent, bottleneck, body and bottle,
And check frequency will not be caused to make to check that careless omission occurs in result owing to front and back's bottle is closely packed together.
The highest 1.5m/s of transporting velocity of described body rotary apparatus, in the present invention, turns in order to ensure body
Cross 90 degree, the speed of the conveyer belt of body rotary apparatus can be adjusted according to the transfer speed of streamline conveyer
Degree, and remain the path length difference of bottle girth 1/4th or 3/4ths.
It is equipped with reflective combined lens between arbitrary bottle detection camera and corresponding detection station, is used for
Enable camera sample the region more than 180 degree of scopes, the body whole body after forming light path, coordinate body rotation
After bottle is rotated to an angle by rotary device, can avoid bottle is accumulated during transfer due to bottle phase
The missing inspection of the check frequency being close to mutually and cause, corresponding arbitrary detection station is equipped with light compensating lamp to increase the back of the body
Scape light intensity, in order to improve image quality, the detection station that body and bottleneck are detected, its light compensating lamp
Being arranged at the offside of camera, the light compensating lamp detecting junction at the bottom of body and bottle is arranged at two clampings
Between belt, what the light compensating lamp of arbitrary detection station coordinated is provided with a backlight；
The camera lens of arbitrary detection camera the most down, prevents dust from falling into camera lens and causes image quality to decline,
It is provided with one between camera lens and reflective combined lens to turn back mirror, for being guided by the emergent light of reflective combined lens
To camera lens；
Detection site, the mirror three that turns back on reflective combined lens, bottle are centrally located at same straight line, if
Being set to body detection line, arbitrary reflective combined lens is symmetrical arranged for axis of symmetry with body detection line by two groups
Illuminator group composition, arbitrary illuminator group is by two pieces of minute surfaces illuminator composition staggered relatively, wherein
Illuminator near body detection line is inner side illuminator, corresponding thereto for Wing mirrors, outside is anti-
Light microscopic is 20 degree～30 degree with the angle of body detection line, and one end of the close bottle of Wing mirrors is to bottle
The vertical dimension of body detection line is 90mm～150mm, preferably 110mm.
The present invention, by arranging reflective combined lens, coordinates light compensating lamp to achieve bottle more than 180 degree all over the body
In the range of sampling and imaging, and imaging clearly, then coordinate body rotary apparatus, i.e. complete bottle week
Inspection in the range of body 360 degree, sampling process is without check frequency.
The left and right width of the minute surface of the reflective combined lens corresponding with the first bottle detection camera is
100mm～150mm, upper-lower height is 260mm～350mm, and corresponding with the 3rd bottle detection camera is anti-
The left and right width of light combined lens is 100mm～150mm, and upper-lower height is 80mm～150mm, with second
The left and right width of the reflective combined lens that bottle detection camera is corresponding is 100mm～150mm, and upper-lower height is
120mm～200mm, the length of side of the reflective combined lens corresponding with the 4th bottle detection camera is
100mm～150mm.
According to the difference of detection position, reflective combined lens is adjusted accordingly with the layout of detection camera, makes anti-
The minute surface of light combined lens is vertical with body detection line all the time, in order to its light path formed guides camera lens,
Camera lens faces down all the time, body detection line and the angle of horizontal plane and bottle detection position, reflective
Combined lens, the height and position distribution situation of the mirror three that turns back are presented below as pass according to the difference at detection position
System:
1) when carrying out body detection, body detection line is 0 degree with the angle of horizontal plane, i.e. with water
Plane is parallel, and the most now bottle, reflective combined lens and the mirror three that turns back are positioned at same level
Highly；
2) when carrying out the detection of junction at the bottom of body and bottle, body detection line and the angle of horizontal plane
Being 40 degree, mirror of now turning back is in orlop, and bottle is in the superiors；
3) when carrying out bottleneck detection, body detection line is 53 degree with the angle of horizontal plane, now
Mirror of turning back is in the superiors, and bottle is in orlop.
The backlight that first, second detection station is corresponding preferably employs rectangle structure, is length up and down,
Left and right is width, its a length of 280mm～400mm, preferably 350mm, and width is 280mm～350mm,
Preferably 300mm, in order to guarantee to illuminate whole body；The backlight that 3rd detection station is corresponding preferably employs
Rectangle structure, is length up and down, and left and right is width, its a length of 80mm～150mm, preferably
100mm, width is 280mm～300mm, preferably 300mm.
Arbitrary bottle detection camera is area array cameras, and its photosensitive unit uses CCD camera or CMOS,
Resolution is 960 pixel × 1024 pixels～2048 pixel × 2048 pixels, and preferred resolution is 960
Pixel × 2048 pixel, frame per second is 50fps～210fps, preferably 155fps.
Described detection device includes the liquid level detection device detecting liquid level in bottle, liquid level detection device bag
Include the line-scan digital camera on the Level Detection support being set up on the left of filling pipeline conveyer, described linear array phase
Machine is arranged on described Level Detection support by lifting assembly, and is connected to process by communication cable
The host computer of camera image data, the conveyer loading surface of the filling pipeline of camera lens right opposite sets
There is Level Detection station.By arranging liquid level detection device and Level Detection station, to the bottle on streamline
Body carries out Level Detection in bottle, in order to is easy to after checking product under charge reject, prevents it from flowing into
Market.
The imageing sensor of described line-scan digital camera uses CCD or CMOS, and resolution is 100 pixels
～2048 pixels, preferred resolution is 256 pixels～512 pixels, and frame per second is 500FPS～2500FPS,
Preferably frame per second is 1300FPS, and time of exposure is 20 microseconds～500 microseconds, preferably time of exposure are 55 micro-
Second.
The camera lens of described line-scan digital camera and Level Detection station are at a distance of 200mm～1200mm, preferably
300mm。
The present invention takes pictures sampling by using line-scan digital camera that the bottle in movement carries out liquid level, is guaranteeing survey
Can effectively shorten detection time interval in the case of accuracy of measurement, be favorably improved the operation of whole streamline
Efficiency.
The right side of described Level Detection station is provided with a Level Detection backlight vertically placed, and it is reflective
Face faces line-scan digital camera camera lens, the reflective surface of Level Detection backlight and Level Detection station spacing
15mm～160mm, preferred distance 25mm.Built by Level Detection backlight and line-scan digital camera
Back-illuminated type polishing sampling structure can improve the contrast of camera photos light and shade, reduces noise, helps camera
More preferably focusing, improves image quality.
Described Level Detection backlight preferably employs rectangle structure, is length up and down, and left and right is width,
Its a length of 200mm～350mm, preferably 300mm, width is 100mm～200mm, preferably 155mm,
To guarantee that whole bottle can be covered by retroreflective regions.
Described Level Detection station is provided with whether detection bottle arrives the proximity switch of detection station, its letter
Number outfan connects host computer, and described proximity switch uses correlation photoswitch, reflective proximity switch
Or travel switch.When the present invention works, after bottle arrives detection station, proximity switch transmission puts in place letter
Number giving host computer, host computer thus judges that bottle puts in place, and starts camera and carry out sampling of taking pictures.
Also include one for detecting the bubble-tight package seal checker of bottle cap, wherein, package seal checker bag
Include the accumulation signal R-T unit on the sealing detection support being set up on the left of filling pipeline conveyer, its
Signal input output end connects described host computer by communication cable, and described accumulation signal R-T unit passes through
Signal generation sends after exciting pulse signal taps bottle cap and makes it produce certain acoustic feature, and with signal
Acceptance division is transferred to host computer and is analyzed processing after receiving this acoustic features, judge the close of bottle cap end with this
Feng Xing, under the signal exit facet of described signal generation and the receiving plane of described signal receiving part all just face
The sealing detection station that side is arranged on streamline conveyer.
Described sealing detection support is provided with a clamping part that can make elevating movement on support, described exciting
Signal receiving/transmission device is arranged on described sealing detection support by described clamping part, in order to adjusts signal and sends out
Penetrate the distance between the bottle cap of receiving plane and sealing detection station upper bottle body, in order to corresponding various high metrics
The product of lattice；The signal exit facet of described signal generation and the distance of bottle cap are 5mm～50mm, preferably
10mm；The signal receiving plane of described signal receiving part and the distance of bottle cap are 2mm-30mm, preferably 5mm.
Described signal receiving part uses pick up, and pick up is cylindrical-shaped structure, and upper surface is signal output
End, lower surface is signal receiving plane, and described signal generation is an electric magnet, and electric magnet is cylindric,
Pick up is arranged at the hollow cavity position of electric magnet cylinder-like structure, and electric magnet is at energising and shutdown transient
Produce huge flux change, interact with bottle cap so that it is produce acoustic vibrations, connect by pick up
It is transferred to host computer after receipts to analyze vibration signal, judges that with this sealing of bottle cap is the most intact.
The output signal line of described pick up is that single screen covers silver-plated coaxial cable.Microphone signal output lead
A diameter of 1.8mm～4.5mm, preferably 2.5mm.
The iron core internal diameter of electric magnet is 7.5mm～9.0mm, wall thickness 3mm～9mm, preferably 6mm, in order to
Guarantee that during magnet switching electricity, magnetic force change is sufficiently fast.
The iron core outer wall employing pure copper wires coiling of electric magnet forms one and has certain thickness coil windings,
Winding wire diameter is 0.42mm～0.65mm, preferably 0.55mm；Coil windings internal diameter 20mm～30mm,
Preferably 25mm, external diameter 35mm～55mm, preferably 50mm；Coil height 35mm～55mm, excellent
Select 45mm, and coil height is less than iron core height.
The power on duration of described winding is 5ms～200ms, preferably 8ms.
In the present invention, when the bottle cap of experiment is tin plate cover, at 10 millis between actual measurement when the solenoid is energized
Second, during dutycycle 0.25, it being not result in that Magnet generates heat, the suction of generation is sufficiently strong, the sound that bottle cap sends
Sound is the loudest.
The present invention produces electromagnetic pulse by design electric magnet and coordinates pick up to realize the inspection of the acoustics to bottle cap
Surveying, there is corresponding relation with pressure in bottle in the sound that bottle cap sends after being excited, encapsulates qualified beer bottle
The sound frequency that the tinplate bottle cap of body is excited to send is at about 7200Hz, and once bottle leaks gas, then sound
Frequency will be less than 7200Hz, in this, as host computer judgment standard.Different acoustic featuress can with identification not
With the situation of various bottle caps in the case of encapsulation, judge the sealing of bottle cap with this.
Described electric magnet connects power supply power taking by a DC control circuit, and described DC control circuit controls
The generation of pulse voltage and disappearance, the input of described DC control circuit connects host computer, in order to pass through
The output of PC control DC control circuit.
Described pick up connects host computer by data collecting card.
Described data collecting card preferably employs NI4472 or NI4474 data collecting card.
The conveyer of described filling pipeline is provided with a rejecting mouth, for bottle failed for detection is exported,
Avoid flowing into subsequent production line and market.
Beneficial effect: owing to using technique scheme, the present invention compares more traditional drinks fill and produces stream
The detection mode of waterline has the advantage that
1) canned beer is detected by the method using machine vision to take pictures, compared to artificial visual method,
Having with low cost, detection speed is fast, and result is stable, the advantage that efficiency is done；
2) improve sampling precision after using line-scan digital camera sampling, improve recall rate, be effectively compressed liquid
The position assay intervals time, improve the work efficiency of production line；
3) high efficient data capture card is coordinated by design new electromagnet, it is achieved that for the bottle after fill
The detection of sealing, efficient stable, detection speed is up to 180000 bottles/hour, and accuracy of detection is far above people
Work industry, can substitute Traditional Man detection operating type；
4) replace artificial tradition visual detection by machine vision shooting style, use area array cameras to coordinate and lead
Electro-optical device and light compensating apparatus achieve bottle at the bottom of the automatization of detection and high efficiency, it is to avoid manual detection operation
Present in flase drop, improve detection quality.
Accompanying drawing explanation
Fig. 1 is the integral layout schematic diagram of the present invention；
Fig. 2 is the top view of the liquid level detection device of the present invention；
Fig. 3 is the front view of Fig. 2；
Fig. 4 is the top view of the package seal checker of the present invention；
Fig. 5 is the front view of Fig. 4；
Fig. 6 is the top view of the bottle detection device of the present invention；
Fig. 7 is a kind of partial schematic diagram of Fig. 6；
Fig. 8 is the reflective combined lens schematic layout pattern of Fig. 6.
Detailed description of the invention
For the technological means making the present invention realize, creation characteristic, reach purpose and effect and be readily apparent from
Solve, the present invention is expanded on further below in conjunction with being specifically illustrating.
With reference to Fig. 1, a kind of detecting system being applicable to drinks filling production lines, use and be arranged at fill flowing water
Detection device on line rejects bad product after detecting the beer bottle bottle after fill, detects device
Including the liquid level detection device of liquid level in detecting bottle, for detecting bottle cap bubble-tight sealing detection dress
Put, for detecting device at the bottom of the bottle detecting bottle bottom sediment and at the bottom of body, bottleneck, body and bottle
The bottle detection device of complete detection is carried out at the bottom of junction, bottle.Liquid level detection device correspondence Level Detection work
Position 11, package seal checker correspondence sealing detection station 21, detects at the bottom of bottle and detects station at the bottom of device correspondence bottle
31, bottle detection device includes detecting station 41,42,43 and 31, and detection station 41 and 42 corresponds to
Body and bottleneck detection, detection station 43, corresponding to junction detection at the bottom of body and bottle, detects station 31
Corresponding to detecting at the bottom of bottle.The conveyer of filling pipeline is provided with rejecting mouth 9, for by bottle failed for detection
Output, it is to avoid flow into subsequent production line and market.
With reference to Fig. 2, Fig. 3, liquid level detection device includes being set up in the liquid level on the left of filling pipeline conveyer
Line-scan digital camera 101 on detection support 102, line-scan digital camera is arranged at Level Detection by a lifting assembly and props up
On frame 102, and it is connected to process the host computer of camera image data, camera 101 by communication cable
The conveyer loading surface of filling pipeline of camera lens right opposite be provided with Level Detection station 11.Camera 101
Camera lens and Level Detection station 11 at a distance of 200mm～1200mm, preferably 300mm.Level Detection work
The right side of position 11 is provided with a backlight 103 vertically placed, and the reflective surface of backlight 103 faces linear array phase
The camera lens of machine 101, the reflective surface of backlight 103 and Level Detection station 11 spacing 15mm～160mm,
Preferred distance 25mm.The back-illuminated type polishing sampling structure built by backlight 103 and line-scan digital camera 101
The contrast of camera photos light and shade can be improved, reduce noise, help camera more preferably to focus, improve into
Picture element amount.Backlight 103 preferably employs rectangle structure, is length up and down, and left and right is width, and it is long
Degree is 200mm～350mm, preferably 300mm, and width is 100mm～200mm, preferably 155mm,
To guarantee that whole bottle can be covered by retroreflective regions.Level Detection station 11 is provided with detection bottle
The no proximity switch 104 arriving detection station, its signal output part connects host computer, and proximity switch 104 is adopted
With correlation photoswitch, reflective proximity switch or travel switch.When the present invention works, bottle arrives
After reaching detection station, the proximity switch transmission signal that puts in place is to host computer, and host computer thus judges that bottle puts in place,
And start camera and carry out sampling of taking pictures.By arranging liquid level detection device and Level Detection station, to flowing water
Bottle on line carries out Level Detection in bottle, in order to be easy to after checking product under charge reject, anti-
Only it comes into the market.
The imageing sensor of line-scan digital camera 101 uses CCD or CMOS, and resolution is 100 pixels
～2048 pixels, preferred resolution is 256 pixels～512 pixels, and frame per second is 500FPS～2500FPS,
Preferably frame per second is 1300FPS, and time of exposure is 20 microseconds～500 microseconds, preferably time of exposure are 55 micro-
Second.
With reference to Fig. 4, Fig. 5, package seal checker includes being set up in the sealing on the left of filling pipeline conveyer
Accumulation signal R-T unit on detection support 201, accumulation signal R-T unit is by being arranged on support 201
On can make the clamping part of elevating movement and fix, its signal input output end connects host computer by communication cable,
The signal exit facet of the signal generation of accumulation signal R-T unit all faces with the receiving plane of signal receiving part
The sealing detection station 21 that underface is arranged on streamline conveyer.The signal exit facet of signal generation
It is 5mm～50mm, preferably 10mm with the distance of bottle cap；The signal receiving plane of signal receiving part and bottle cap
Distance be 2mm-30mm, preferably 5mm.
The signal receiving part of accumulation signal R-T unit uses pick up 202, and pick up 202 is cylindric knot
Structure, upper surface is signal output part, and lower surface is signal receiving plane, and signal generation is an electric magnet 203,
Electric magnet 203 is cylindric, in the hollow of the cylinder-like structure that pick up 202 is arranged at electric magnet 203
Position, chamber, electric magnet 203 produces huge flux change in energising with shutdown transient, with bottle cap phase interaction
With so that it is produce acoustic vibrations, be transferred to host computer after being received by pick up 202 and analyze vibration letter
Number, judge that with this sealing of bottle cap is the most intact.The output signal line 2021 of pick up 202 is single screen
Cover silver-plated coaxial cable, a diameter of 1.8mm～4.5mm, preferably 2.5mm.In the iron core of electric magnet 203
Footpath is 7.5mm～9.0mm, wall thickness 3mm～9mm, preferably 6mm, in order to when guaranteeing magnet switching electricity
Magnetic force change is sufficiently fast.The iron core outer wall employing pure copper wires coiling of electric magnet 203 forms one to be had necessarily
The coil windings of thickness, winding wire diameter is 0.42mm～0.65mm, preferably 0.55mm；In coil windings
Footpath 20mm～30mm, preferably 25mm, external diameter 35mm～55mm, preferably 50mm；Coil height
35mm～55mm, preferably 45mm, and coil height is less than iron core height.When the energising of winding continues
Between be 5ms～200ms, preferably 8ms.In the present invention, when the bottle cap of experiment is tin plate cover, actual measurement
At 10 milliseconds between when the solenoid is energized, during dutycycle 0.25, it is not result in that Magnet generates heat, the suction of generation
Power is sufficiently strong, and the sound that bottle cap sends is the loudest.Electric magnet 203 is connected by a DC control circuit
Power supply power taking, DC control circuit controls generation and disappearance, the input of DC control circuit of pulse voltage
End connects host computer, in order to by the output of PC control DC control circuit.Pick up 202 passes through
Data collecting card connects host computer.Data collecting card preferably employs NI4472 or NI4474 data acquisition
Card.
The present invention produces electromagnetic pulse by design electric magnet and coordinates pick up to realize the inspection of the acoustics to bottle cap
Surveying, there is corresponding relation with pressure in bottle in the sound that bottle cap sends after being excited, encapsulates qualified beer bottle
The sound frequency that the tinplate bottle cap of body is excited to send is at about 7200Hz, and once bottle leaks gas, then sound
Frequency will be less than 7200Hz, in this, as host computer judgment standard.Different acoustic featuress can with identification not
With the situation of various bottle caps in the case of encapsulation, judge the sealing of bottle cap with this.
With reference to Fig. 6, Fig. 7, bottle detection device includes that bottle detects camera, body rotary apparatus, wherein,
Body rotary apparatus be one by clamping bottle after realize bottle during transfer around self symmetrical centre
Line is the conveyer device that rotating shaft turns over certain angle, and its front end connects front road streamline conveyer 401, thereafter
Road streamline conveyer 402 after end connection；Bottle detection camera includes for first to body location detection
Bottle detection camera, the second bottle being used for detecting bottleneck detect camera, at the bottom of body and bottle
3rd bottle detection camera of junction detection, for the 4th bottle detection camera to detection at the bottom of bottle.Appoint
One bottle detection camera is area array cameras, and its photosensitive unit uses CCD camera or CMOS, differentiates
Rate is 960 pixel × 1024 pixels～2048 pixel × 2048 pixels, and preferred resolution is 960 pictures
Element × 2048 pixels, frame per second is 50fps～210fps, preferably 155fps；It is connected with body rotary apparatus
Before and after road streamline conveyer be provided with the detection station 41 for body and bottleneck position are checked
With 42, the left side of any one or right side in station 41 and 42 are each equipped with one first bottle detection
Camera and one second bottle detection camera, wherein, the position that arranges of the second bottle detection camera is higher than first
Bottle detection camera；
Body rotary apparatus includes two conveyor surfaces 4041 and 4042 being positioned at bottle both sides and carrying in the same direction,
Transfer, the conveying of two conveyor surfaces is carried out after the bottle clamping of two conveyor surface gravity flow waterline conveyers in the future
Speed is different, thus forms tangential speed difference at conveyor surface and bottle contact point, makes in clamping transfer
Bottle produce rotation because of speed difference, specific by obtaining after the speed of two conveyor surfaces is adjusted respectively
Speed difference so that in the transfer length range of conveyor surface realize allow bottle rotate special angle effect,
Owing to bottle is in streamline course of conveying, it is that the form accumulated is packed together transfer, therefore phase
The position of adjacent bottle contact judges bottle situation, by making bottle rotate in transfer after being difficult to sampling
The part that bottle is covered by the mode of certain angle is exposed, and cooperation is positioned at before being connected with body rotary apparatus
Detection station 41 and 42 on rear road streamline conveyer, it is achieved that the 360 degree of scopes in the bottle whole body are adopted
Sample and inspection, eliminate inspection blind area.Conveyor surface 4041 and 4042 is by being positioned at homonymy and being horizontally disposed with
The composition of two clamping belts 4051 and 4052 up and down, two clamping belts are parallel to each other, arbitrary clamping
The width of belt is 25mm～35mm, preferably 30mm, two clamping belts between the upper and lower away from for
30mm～60mm, preferably 50mm, clamping belt 4052 is apart from 20mm～50mm at the bottom of bottle, preferred distance
30mm.The transporting velocity of body rotary apparatus is less than 1.5m/s, in the present invention, turns in order to ensure body
90 degree, the speed of the conveyer belt of body rotary apparatus can be adjusted according to the transfer speed of streamline conveyer,
Two conveyor surfaces are made to remain the 1/4 of body girth or the path length difference of 3/4.
The transportation section of body rotary apparatus is provided with the detection for checking junction at the bottom of body and bottle
Station 43, the 3rd bottle detection camera includes two cameras laying respectively at detection station 43 both sides, in order to
Carrying out the detection in the range of 360 degree at the bottom of bottle with the junction of body, the 4th bottle detection camera is positioned at the
The side of four detection stations.
With reference to Fig. 8, between arbitrary bottle detection camera and corresponding detection station, it is equipped with reflective combination
Mirror, enables camera sample the body whole body after forming light path and is more than the region of 180 degree of scopes, join
Close after bottle rotates to an angle by body rotary apparatus, can avoid bottle is accumulated during transfer by
The missing inspection of the check frequency being mutually close in bottle and cause, corresponding arbitrary detection station is equipped with light compensating lamp
Increase bias light intensity, in order to improve image quality, the detection station that body and bottleneck are detected,
Its light compensating lamp is arranged at the offside of camera, and the light compensating lamp detecting junction at the bottom of body and bottle is arranged at
Article two, between clamping belt, the light compensating lamp of arbitrary detection station is provided with a backlight ordinatedly；Arbitrary detection
The camera lens of camera the most down, prevents dust from falling into camera lens and causes image quality to decline, and camera lens is with anti-
It is provided with one between light combined lens to turn back mirror, for guiding the emergent light of reflective combined lens to camera lens；
Detection site, the mirror three that turns back on reflective combined lens, bottle are centrally located at same straight line, if
Being set to body detection line, arbitrary reflective combined lens is symmetrical arranged for axis of symmetry with body detection line by two groups
Illuminator group composition, arbitrary illuminator group is by two pieces of minute surfaces illuminator composition staggered relatively, wherein
Illuminator near body detection line is inner side illuminator, corresponding thereto for Wing mirrors, outside is anti-
Light microscopic is 20 degree～30 degree with the angle of body detection line, and one end of the close bottle of Wing mirrors is to bottle
The vertical dimension of body detection line is 90mm～150mm, preferably 110mm；By arranging reflective combined lens,
Light compensating lamp is coordinated to achieve the sampling in the 180 degree of range above in the bottle whole body and imaging, and imaging clearly,
Coordinate body rotary apparatus again, i.e. complete to bottle the whole body 360 degree in the range of inspection, sampling process without
Check frequency.The left and right width of the minute surface of the reflective combined lens corresponding with the first bottle detection camera is
100mm～150mm, upper-lower height is 260mm～350mm, and corresponding with the 3rd bottle detection camera is anti-
The left and right width of light combined lens is 100mm～150mm, and upper-lower height is 80mm～150mm, with second
The left and right width of the reflective combined lens that bottle detection camera is corresponding is 100mm～150mm, and upper-lower height is
120mm～200mm, the length of side of the reflective combined lens corresponding with the 4th bottle detection camera is
100mm～150mm.
According to the difference of detection position, reflective combined lens is adjusted accordingly with the layout of detection camera, makes anti-
The minute surface of light combined lens is vertical with body detection line all the time, in order to its light path formed guides camera lens,
Camera lens faces down all the time, body detection line and the angle of horizontal plane and bottle detection position, reflective
Combined lens, the height and position distribution situation of the mirror three that turns back are presented below as pass according to the difference at detection position
System:
1) when carrying out body detection, body detection line is 0 degree with the angle of horizontal plane, i.e. with water
Plane is parallel, and the most now bottle, reflective combined lens and the mirror three that turns back are positioned at same level
Highly；
2) when carrying out the detection of junction at the bottom of body and bottle, body detection line and the angle of horizontal plane
Being 40 degree, mirror of now turning back is in orlop, and bottle is in the superiors；
3) when carrying out bottleneck detection, body detection line is 53 degree with the angle of horizontal plane, now
Mirror of turning back is in the superiors, and bottle is in orlop.
The backlight of detection station 41,42 correspondence preferably employs rectangle structure, is length up and down, left and right
For width, its a length of 280mm～400mm, preferably 350mm, width is 280mm～350mm,
Preferably 300mm, in order to guarantee to illuminate whole body；The backlight of detection station 43 correspondence preferably employs length
Square structure, is length up and down, and left and right is width, its a length of 80mm～150mm, preferably 100mm,
Width is 280mm～300mm, preferably 300mm.
The present invention is in operation process, and bottle is first transported to be positioned at the front road being connected with body rotary apparatus
Body detection for the first time and bottleneck detection for the first time is carried out, then on the detection station 41 of streamline conveyer
During bottle continues transfer and enters the transportation section of body rotary apparatus, by two conveyings of body rotary apparatus
Face 4041,4042 holds the rotary transfer carried out with self symmetrical center line as rotary shaft, during
Pass through detection station 43 time, by after two the 3rd bottles detection cameras samplings, junction at the bottom of body and bottle is entered
Row complete detection, continues to transfer load to detect at station 31, the 4th bottle detection camera detect at the bottom of bottle,
Finally after lasting certain level transfer distance, bottle is transported to revolve with body after being turned over certain degree angle
Second time body detection and the is carried out at the detection station 42 on rear road streamline conveyer that rotary device connects
Secondary bottleneck detects, in order to comprehensively examine body and bottleneck in the case of eliminating check frequency
Look into.By adjusting the transporting velocity of two conveyer belts of body rotary apparatus so that its speed difference meets to be made
Bottle turns over unspecified angle in two bodies detect the transfer distance between station, coordinates body detection
Requirement, can make bottle turn over 90 degree or 270 in two bodies detect the fed distance between station
Degree, in order to guarantee camera can collect body the whole body 360 degree in the range of sample.It is positioned at by setting
Detection station 43 and 31 in body rotary apparatus be connected with body rotary apparatus before and after on road conveyer
Detection station 41,42, the bottle of the conveying of accumulative and travel type on drinks production line can be completed quickly and efficiently
Global detection in the range of 360 degree of the whole body of junction at the bottom of body, bottleneck, body and bottle, and will not be by
It is closely packed together in front and back's bottle and causes check frequency to make to check that careless omission occurs in result.
The present invention is according to each detection station as configured above, after multiple detecting steps so that production line
Product quality be under control, relative to traditional manual detection, each detection device of the present invention is not
Only accuracy of detection is high, and detection speed is fast, and achieves automatization, alleviates manpower burden.
The ultimate principle of the present invention and principal character and advantages of the present invention have more than been shown and described.One's own profession
Skilled person will appreciate that of industry, the present invention is not restricted to the described embodiments, above-described embodiment and explanation
The principle that the present invention is simply described described in book, without departing from the spirit and scope of the present invention,
The present invention also has various changes and modifications, and these changes and improvements both fall within claimed invention model
In enclosing.Claimed scope is defined by appending claims and equivalent thereof.
Claims (10)
1. it is applicable to a detecting system for drinks filling production lines, uses the inspection being arranged on filling pipeline
Survey after the beer bottle bottle after fill is detected by device and reject bad product, it is characterised in that detection
Device includes one for entering position bottom connecting portion at the bottom of bottleneck position, body position, body and bottle and bottle
The bottle detection device of row detection, described bottle detection device includes that bottle detection camera, body rotate dress
Put, wherein, body rotary apparatus be one by clamping bottle after make it around self during by transfer
The conveyer device that symmetrical center line rotates to an angle, its front end connects front road streamline conveyer, thereafter
Road streamline conveyer after end connection；
Bottle detection camera includes for the first bottle detection camera to body location detection, for bottle
Second bottle of neck location detection detects camera, for the 3rd bottle of junction detection at the bottom of body and bottle
Detection camera and the 4th bottle detection camera to location detection at the bottom of bottle, wherein, the first bottle detection camera
By the sampling analysis of body position is determined whether mildew, the second bottle detection camera is by bottleneck
Position sampling analysis judges whether bottleneck position has in mildew or bottle whether have floating thing at liquid level face,
To junction sampling analysis at the bottom of body and bottle, 3rd bottle detection camera is by judging whether this position exists
Mildew, the 4th bottle detection camera is by determining whether mildew and precipitate to sampling analysis at the bottom of bottle；
One first detection work it is respectively equipped with on the forward and backward road streamline conveyer being connected with body rotary apparatus
Position and the second detection station, the either side of two detection stations is equipped with one first bottle detection camera and
Second bottle detects camera, and camera is detected higher than the first bottle in the position that arranges of the second bottle detection camera；
Body rotary apparatus includes two conveyor surfaces being positioned at bottle both sides and carrying in the same direction, two conveyor surfaces
Carrying out transfer after the bottle clamping of gravity flow waterline conveyer in the future, the transporting velocity of two conveyor surfaces is different；
Arbitrary conveyor surface of body rotary apparatus is by being positioned at homonymy and horizontally disposed upper and lower two clamping skins
Band forms, and two clamping belts are parallel to each other, and the width of arbitrary clamping belt is 25mm～35mm, two
Clamping belt between the upper and lower away from for 30mm～60mm, at the bottom of the clamping belt distance bottle of lower floor
20mm～50mm；
Be provided with in the transportation section of body rotary apparatus that junction at the bottom of to body and bottle checks the 3rd
Detecting station and for the 4th detection station to detection at the bottom of bottle, two detection stations keep at a certain distance away,
3rd bottle detection camera includes two cameras laying respectively at the 3rd detection station both sides, the 4th bottle inspection
Survey camera and be arranged at the side of the 4th detection station.
A kind of detecting system being applicable to drinks filling production lines the most according to claim 1, it is special
Levy and be, the highest 1.5m/s of transporting velocity of described body rotary apparatus, and according to streamline conveyer
Transfer speed adjusts the speed of the conveyer belt of body rotary apparatus, and remain bottle girth four/
The path length difference of one or 3/4ths.
A kind of detecting system being applicable to drinks filling production lines the most according to claim 1, it is special
Levy and be, be equipped with for forming light path between arbitrary bottle detection camera and corresponding detection station
After enable camera to sample the body whole body reflective combined lens in region more than 180 degree of scopes；
Corresponding arbitrary detection station is equipped with light compensating lamp to increase bias light intensity, the first and second detection works
The light compensating lamp of position is arranged at the offside of the camera of correspondence, and the light compensating lamp of the 3rd detection station is arranged at two articles of folders
Hold between belt；
What the light compensating lamp of arbitrary detection station coordinated is provided with a backlight.
A kind of detecting system being applicable to drinks filling production lines the most according to claim 3, it is special
Levying and be, the camera lens of arbitrary detection camera the most down, is provided with one between camera lens and reflective combined lens
For the emergent light of reflective combined lens is guided the mirror of turning back to camera lens；
Detection site, the mirror three that turns back on reflective combined lens, bottle are centrally located at same straight line, if
Being set to body detection line, arbitrary reflective combined lens is symmetrical arranged for axis of symmetry with body detection line by two groups
Illuminator group composition, arbitrary illuminator group is by two pieces of minute surfaces illuminator composition staggered relatively, wherein
Illuminator near body detection line is inner side illuminator, corresponding thereto for Wing mirrors, outside is anti-
Light microscopic is 20 degree～30 degree with the angle of body detection line, and one end of the close bottle of Wing mirrors is to bottle
The vertical dimension of body detection line is 90mm～150mm；
The left and right width of the minute surface of the reflective combined lens corresponding with the first bottle detection camera is
100mm～150mm, upper-lower height is 260mm～350mm, and corresponding with the 3rd bottle detection camera is anti-
The left and right width of light combined lens is 100mm～150mm, and upper-lower height is 80mm～150mm, with second
The left and right width of the reflective combined lens that bottle detection camera is corresponding is 100mm～150mm, and upper-lower height is
120mm～200mm, the length of side of the reflective combined lens corresponding with the 4th bottle detection camera is
100mm～150mm.
A kind of detecting system being applicable to drinks filling production lines the most according to claim 4, it is special
Levying and be, according to the difference of detection position, reflective combined lens is adjusted accordingly with the layout of detection camera,
The minute surface making reflective combined lens is vertical with body detection line all the time, in order to its light path formed guides camera mirror
Head, camera lens faces down all the time, the angle of body detection line and horizontal plane and bottle detection position,
Reflective combined lens, the height and position distribution situation of the mirror three that turns back present according to the detection difference at position as
Lower relation:
1) when carrying out body detection, body detection line is 0 degree with the angle of horizontal plane, i.e. with water
Plane is parallel, and the most now bottle, reflective combined lens and the mirror three that turns back are positioned at same level
Highly；
2) when carrying out the detection of junction at the bottom of body and bottle, body detection line and the angle of horizontal plane
Being 40 degree, mirror of now turning back is in orlop, and bottle is in the superiors；
3) when carrying out bottleneck detection, body detection line is 53 degree with the angle of horizontal plane, now
Mirror of turning back is in the superiors, and bottle is in orlop.
6. according to a kind of detection being applicable to drinks filling production lines described in any one of claim 1 to 5
System, it is characterised in that described detection device includes the liquid level detection device detecting liquid level in bottle,
Liquid level detection device includes the linear array phase being set up on the Level Detection support on the left of filling pipeline conveyer
Machine, described line-scan digital camera is arranged on described Level Detection support by lifting assembly, and by communication electricity
Cable is connected to process the host computer of camera image data, the filling pipeline of camera lens right opposite defeated
Airborne object plane is sent to be provided with Level Detection station；
The imageing sensor of described line-scan digital camera uses CCD or CMOS, and resolution is 100 pixels
～2048 pixels, frame per second is 500FPS～2500FPS, and time of exposure is 20 microseconds～500 microseconds；
The camera lens of described line-scan digital camera and Level Detection station are at a distance of 200mm～1200mm；
The right side of described Level Detection station is provided with a Level Detection backlight vertically placed, described liquid
The reflective surface of position detection backlight faces line-scan digital camera camera lens, the reflective surface of Level Detection backlight with
Level Detection station spacing 15mm～160mm；
Described Level Detection backlight uses rectangle structure, is length up and down, and left and right is width, its
A length of 200mm～350mm, width is 100mm～200mm；
Described Level Detection station is provided with whether detection bottle arrives the proximity switch of detection station, its letter
Number outfan connects host computer, and described proximity switch uses correlation photoswitch, reflective proximity switch
Or travel switch.
7. according to a kind of detection being applicable to drinks filling production lines described in any one of claim 1 to 5
System, it is characterised in that detection device includes one for detecting the bubble-tight package seal checker of bottle cap,
Package seal checker includes the exciting letter being set up on the sealing detection support on the left of filling pipeline conveyer
Number R-T unit, its signal input output end connects described host computer by communication cable, and described signal is sent out
The signal exit facet in life portion and the receiving plane of described signal receiving part all face immediately below to be arranged at streamline defeated
Send the sealing detection station on machine；
Described sealing detection support is provided with a clamping part that can make elevating movement on support, described exciting
Signal receiving/transmission device is arranged on described sealing detection support by described clamping part；
The signal exit facet of described signal generation and the distance of bottle cap are 5mm～50mm, and described signal connects
The signal receiving plane in receipts portion and the distance of bottle cap are 2mm-30mm.
A kind of detecting system being applicable to drinks filling production lines the most according to claim 7, it is special
Levying and be, described signal receiving part uses pick up, and pick up is cylindrical-shaped structure, and upper surface is signal
Outfan, output signal line is that single screen covers silver-plated coaxial cable, line footpath 1.8mm～4.5mm, and lower surface is
Signal receiving plane；
Described signal generation is the electric magnet being arranged at pick up outer wall, and the inner-core of electric magnet is circle
Tubular structure, pick up inserts the hollow cavity position of its cylinder-like structure, and the internal diameter of iron core is
7.5mm～9.0mm, wall thickness 3mm～9mm, iron core outer wall uses the wire rod of fine copper to be wound with certain thickness
Coil windings, winding wire diameter 0.42mm～0.65mm, internal diameter 20mm～30mm of coil windings, outward
Footpath 35mm～55mm；Height 35mm～55mm of coil, and the height of coil is less than the height of iron core；
The power on duration of described winding is 5ms～200ms.
A kind of detecting system being applicable to drinks filling production lines the most according to claim 8, it is special
Levying and be, described electric magnet connects power supply power taking, described DC control circuit by a DC control circuit
Controlling generation and the disappearance of pulse voltage, the input of described DC control circuit connects host computer；
Described pick up connects host computer by data collecting card.
A kind of detecting system being applicable to drinks filling production lines the most according to claim 1, its
Being characterised by, described filling pipeline conveyer is provided with for the rejecting by bottle output failed for detection
Mouthful.
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| CN106743417A (en) * | 2016-12-21 | 2017-05-31 | 苏州誉阵自动化科技有限公司 | The online angle precision rotary device of bottle cap |
| CN106945875A (en) * | 2017-05-05 | 2017-07-14 | 成都三可实业有限公司 | A kind of defeated sugared device of candy wrapper |
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| CN107187853A (en) * | 2017-06-28 | 2017-09-22 | 芜湖中义玻璃有限公司 | A kind of vial transmits streamline |
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| CN110589126A (en) * | 2019-08-27 | 2019-12-20 | 东莞市威元电子科技有限公司 | Material placement dislocation detection device and detection method |
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