CN105444927A - Rapid nondestructive detection device based on extruded container pressure and method - Google Patents
Rapid nondestructive detection device based on extruded container pressure and method Download PDFInfo
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- CN105444927A CN105444927A CN201510830509.3A CN201510830509A CN105444927A CN 105444927 A CN105444927 A CN 105444927A CN 201510830509 A CN201510830509 A CN 201510830509A CN 105444927 A CN105444927 A CN 105444927A
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- 238000001514 detection method Methods 0.000 title claims abstract description 32
- 238000000034 method Methods 0.000 title claims abstract description 12
- 238000012545 processing Methods 0.000 claims abstract description 23
- 230000008859 change Effects 0.000 claims abstract description 8
- 230000001066 destructive effect Effects 0.000 claims description 23
- 238000004519 manufacturing process Methods 0.000 claims description 16
- 238000012360 testing method Methods 0.000 claims description 16
- 238000004321 preservation Methods 0.000 claims description 10
- 230000036541 health Effects 0.000 claims description 6
- 230000009467 reduction Effects 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 4
- 230000000052 comparative effect Effects 0.000 claims description 3
- 230000002950 deficient Effects 0.000 claims description 3
- 238000011156 evaluation Methods 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims description 2
- 230000008054 signal transmission Effects 0.000 claims description 2
- 238000005070 sampling Methods 0.000 abstract description 2
- 238000004088 simulation Methods 0.000 abstract 3
- 238000013139 quantization Methods 0.000 abstract 1
- 235000013361 beverage Nutrition 0.000 description 3
- 241001269238 Data Species 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012854 evaluation process Methods 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000032258 transport Effects 0.000 description 2
- 230000002596 correlated effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L1/00—Measuring force or stress, in general
- G01L1/16—Measuring force or stress, in general using properties of piezoelectric devices
Abstract
The invention discloses a rapid nondestructive detection device based on extruded container pressure and a method. The rapid nondestructive detection device comprises a conveyer, a detection module, a control processing module and a rejection unit. The detection module comprises an electric eye, an extruding device and a piezoelectric sensing module; the control processing module comprises a simulation voltage signal processing module, a digital signal processing module and a quality comparison module. The method comprises steps of conveying a container to be detected, outputting a trigger signal according to the conveyed container to be detected, performing extruding on the container to be detected to obtain a voltage signal, processing the voltage signal to obtain a simulation voltage signal, performing sampling and quantization on the simulation voltage signal to obtain multiple data, converting the multiple data to multiple voltage data, obtaining detection result data according to the change rate, the extremum and the mean value of the multiple voltage data, and comparing the detection result data with the qualified standard data to determine whether the pressure of the container to be detected is qualified.
Description
Technical field
The present invention relates to a kind of container pressure rapid non-destructive detecting device based on extruding and detection method, particularly relate to the container pressure rapid non-destructive detecting device on the food and drink production line of pop can, plastic bottle packing and detection method.
Background technology
Tank, bottle (pop can, plastic bottle) container are the most frequently used packing containers of food and drink series products.Not perishable by guaranteeing that container is filled food, the vacuum tightness that internal tank used must acquire a certain degree.Due to the vacuum degree deficiency of the filling bottled food and drink product container used that the reasons such as air-discharging deficiency, leakage cause, become this series products main cause that (within the shelf-life) is rotten in advance.Therefore tank, bottle container pressure rapid non-destructive detecting device and detection method is studied necessary.
At present, the detection method of canned bottled food and drink product container pressure used, mainly contains:
Acoustic method, parallel beam is projeced in plane was seized, degree of deformation (being correlated with from container internal pressure) due to plane was seized is different and make the direction of propagation of reflected light different, the reflection light quantity that photoelectric conversion device receives will be variant, thus produce different photocurrents, again by the size of photocell detection photocurrent, the size according to photocurrent judges container pressure, but material is uneven and ambient light can affect testing result.
Machine vision method, generally judges product quality by inspection instrument profile, and just cannot correctly detect for on-deformable container, and accuracy of detection is subject to ambient light impact.
Vacuum meter detection method is a kind of destructive detection method, and a draw point is inserted internal tank, and the outer end of needle tubing is connected with vacuum meter, and observe needle deflection direction and the reading of table, it is qualified to judge whether, and the method is suitable only for sampling observation;
In addition, acoustic method, electric vortex method are only applicable to canister.
In sum, current shortage preferably can be used for the canned bottled food beverage containers pressure rapid non-destructive detecting device on production line, and has not yet to see the container pressure rapid non-destructive detecting device based on extruding.
Summary of the invention
For solving the problems of the technologies described above, the object of this invention is to provide a kind of container pressure rapid non-destructive detecting device based on extruding and detection method.
Object of the present invention is realized by following technical scheme:
Based on a container pressure rapid non-destructive detecting device for extruding, comprising:
Conveyer, detection module, control treatment module and device for eliminating; Described
Conveyer, for transporting the container to be checked on production line;
Detection module, comprises electric eye, pressurizing unit and piezoelectric sensing module; Described electric eye for detecting on production line whether have container to be checked, and exports the trigger pip of detected container to be checked, and described trigger pip is passed to control treatment module; Described pressurizing unit, for smooth-going extruding container to be checked, and passes to piezoelectric sensing module by counteractive for container to be checked pressure; Described piezoelectric sensing module, for the pressure signal perceived is converted to weak electric signal, and weak electric signal is nursed one's health, amplify after export analog voltage signal;
Control treatment module, comprises analog voltage signal processing module, digital signal processing module and quality preservation module; Described analog voltage signal processing module, is converted to digital signal for analog voltage signal piezoelectric sensing module exported, and by digital data transmission to digital signal processing module; Described digital signal processing module, is one group of force value of container to be checked by the data reduction of acquisition, and obtains the testing result data of container to be checked according to force value; Testing result data and criterion of acceptability data are carried out contrast and are judged that whether container pressure to be checked is qualified by quality preservation module.
Device for eliminating, according to the comparative result that quality preservation module draws, rejects defective container.
Based on a container pressure fast non-destructive detection method for extruding, comprising:
Transport container to be checked;
Container to be checked according to transporting exports trigger pip;
Container to be checked is extruded, transmits the counteractive pressure of container to be checked, obtain pressure signal;
Described pressure signal is converted to weak electric signal, and weak electric signal is nursed one's health, amplify after export analog voltage signal;
According to the trigger pip received, described analog voltage signal is sampled, quantized, obtains multiple data;
Be multiple pressure data by described multiple data reduction, obtain the testing result data of container to be checked according to the rate of change of described multiple pressure data, extreme value and average;
Described testing result data and criterion of acceptability data are contrasted, judges that whether container pressure to be checked is qualified.
Compared with prior art, one or more embodiment of the present invention can have the following advantages by tool:
The canned bottled food beverage containers pressure of detection that can be accurate, quick, harmless on a production line, reject unacceptable product, and the present invention is not by the impact of ambient light, ambient sound, both may be used for detecting metal top pop can container pressure, and may be used for again detecting plastic bottle container pressure.
Accompanying drawing explanation
Fig. 1 is container pressure rapid non-destructive detecting device structural representation;
Fig. 2 is container pressure Fast nondestructive evaluation process schematic on a production line;
Fig. 3 is container pressure fast non-destructive detection method process flow diagram.
Embodiment
For making the object, technical solutions and advantages of the present invention clearly, below in conjunction with embodiment and accompanying drawing, the present invention is described in further detail.
As depicted in figs. 1 and 2, for container pressure rapid non-destructive detecting device structural representation and this equipment container pressure Fast nondestructive evaluation process schematic on a production line, described non-destructive detecting device comprises: conveyer 1, detection module 3, control treatment module 4 and device for eliminating 5; Described
Conveyer, for transporting the container to be checked on production line;
Detection module, comprises electric eye, pressurizing unit and piezoelectric sensing module; Described electric eye for detecting on production line whether have container to be checked, and exports the trigger pip of detected container to be checked, and described trigger pip is passed to control treatment module; Described pressurizing unit, for smooth-going extruding container to be checked, and passes to piezoelectric sensing module by counteractive for container to be checked pressure; Described piezoelectric sensing module, for the pressure signal perceived is converted to weak electric signal, and weak electric signal is nursed one's health, amplify after export analog voltage signal;
Control treatment module, comprises analog voltage signal processing module, digital signal processing module and quality preservation module; Described analog voltage signal processing module, is converted to digital signal for analog voltage signal piezoelectric sensing module exported, and by digital data transmission to digital signal processing module; Described digital signal processing module, is one group of force value of container to be checked by the data reduction of acquisition, and obtains the testing result data of container to be checked according to force value; Testing result data and criterion of acceptability data are carried out contrast and are judged that whether container pressure to be checked is qualified by quality preservation module.
Device for eliminating, according to the comparative result that quality preservation module draws, rejects defective container 6.
Above-mentioned pressurizing unit transmits block by squeezing rod and pressure selection and forms; Squeezing rod, for implementing smooth-going extruding to container to be checked; Pressure selection transmits block, for selecting the pressure perpendicular to container direction of motion to be checked in the counteractive pressure of container to be checked, and by the pressure signal transmission that chooses to piezoelectric sensing module.
The present embodiment additionally provides a kind of container pressure fast non-destructive detection method based on extruding, and as shown in Figure 3, this detection method comprises:
Step 101 transports container to be checked;
Container to be checked is transported on a production line by conveyer.
Step 102 exports trigger pip according to the container to be checked transported;
Electric eye detects, and production line has container to be checked to be about to through detection module, exports a trigger pip to analog voltage signal processing module.
Step 103 extrudes container to be checked, transmits the counteractive pressure of container to be checked, obtains pressure signal;
Pressurizing unit extrudes container to be checked, and transmits the counteractive pressure of container to be checked to piezoelectric sensing module, and the direction of this pressure is only perpendicular to the direction of motion of container to be checked.
Described pressure signal is converted to weak electric signal by step 104, and weak electric signal is nursed one's health, amplify after export analog voltage signal;
The pressure signal that pressurizing unit transmission comes processes by piezoelectric sensing module, obtains the analog voltage signal of 0-10V.
Step 105, according to trigger pip, is sampled to described analog voltage signal, is quantized, and obtains multiple data;
After analog voltage signal processing module receives the trigger pip of electric eye output, the analog voltage signal that piezoelectric sensing module exports is sampled, quantizes, obtained at least 80 data.
Described multiple data reduction is multiple pressure data by step 106, obtains the testing result data of container to be checked according to the rate of change of described multiple pressure data, extreme value and average;
At least 80 data are scaled 60 pressure datas by digital signal processing module, obtain the testing result data of container to be checked according to the rate of change of 60 pressure datas, extreme value and average.
Described testing result data and criterion of acceptability data contrast by step 107, judge that whether container pressure to be checked is qualified.
Quality preservation module compares with criterion of acceptability data according to the testing result data of container to be checked, and judge that whether container pressure to be checked is qualified, namely testing result data do not exceed the bound of criterion of acceptability data, are certified products, otherwise is unacceptable product.
The rate of change of above-mentioned pressure data is the slope of consecutive number strong point line.
Above-described embodiment is applicable to the filling bottled food beverage containers pressure Fast nondestructive evaluation on production line.
Although the embodiment disclosed by the present invention is as above, the embodiment that described content just adopts for the ease of understanding the present invention, and be not used to limit the present invention.Technician in any the technical field of the invention; under the prerequisite not departing from the spirit and scope disclosed by the present invention; any amendment and change can be done what implement in form and in details; but scope of patent protection of the present invention, the scope that still must define with appending claims is as the criterion.
Claims (7)
1., based on a container pressure rapid non-destructive detecting device for extruding, it is characterized in that, described non-destructive detecting device comprises: conveyer, detection module, control treatment module and device for eliminating; Described
Conveyer, for transporting the container to be checked on production line;
Detection module, comprises electric eye, pressurizing unit and piezoelectric sensing module; Described electric eye for detecting on production line whether have container to be checked, and exports the trigger pip of detected container to be checked, and described trigger pip is passed to control treatment module; Described pressurizing unit, for smooth-going extruding container to be checked, and passes to piezoelectric sensing module by counteractive for container to be checked pressure; Described piezoelectric sensing module, for the pressure signal perceived is converted to weak electric signal, and weak electric signal is nursed one's health, amplify after export analog voltage signal;
Control treatment module, comprises analog voltage signal processing module, digital signal processing module and quality preservation module; Described analog voltage signal processing module, is converted to digital signal for analog voltage signal piezoelectric sensing module exported, and by digital data transmission to digital signal processing module; Described digital signal processing module, is one group of force value of container to be checked by the data reduction of acquisition, and obtains the testing result data of container to be checked according to force value; Testing result data and criterion of acceptability data are carried out contrast and are judged that whether container pressure to be checked is qualified by quality preservation module.
Device for eliminating, according to the comparative result that quality preservation module draws, rejects defective container.
2. as claimed in claim 1 based on the container pressure rapid non-destructive detecting device of extruding, it is characterized in that, described pressurizing unit transmits block by squeezing rod and pressure selection and forms.
3., as claimed in claim 2 based on the container pressure rapid non-destructive detecting device of extruding, it is characterized in that, described in
Squeezing rod, for implementing smooth-going extruding to container to be checked;
Pressure selection transmits block, for selecting the pressure perpendicular to container direction of motion to be checked in container reaction pressure to be checked, and by the pressure signal transmission selected to piezoelectric sensing module.
4. the container pressure rapid non-destructive detecting device based on extruding as described in any one of claim 1-3, it is characterized in that, described checkout equipment is for the production of the container pressure Fast nondestructive evaluation on line.
5., based on a container pressure fast non-destructive detection method for extruding, it is characterized in that, described method comprises:
Transport container to be checked;
Container to be checked according to transporting exports trigger pip;
Container to be checked is extruded, transmits the counteractive pressure of container to be checked, obtain pressure signal;
Described pressure signal is converted to weak electric signal, and weak electric signal is nursed one's health, amplify after export analog voltage signal;
According to the trigger pip received, described analog voltage signal is sampled, quantized, obtains multiple data;
Be multiple pressure data by described multiple data reduction, obtain the testing result data of container to be checked according to the rate of change of described multiple pressure data, extreme value and average;
Described testing result data and criterion of acceptability data are contrasted, judges that whether container pressure to be checked is qualified.
6., as claimed in claim 5 based on the container pressure fast non-destructive detection method of extruding, it is characterized in that, the rate of change of described pressure data is the slope of consecutive number strong point line.
7. as described in any one of claim 5-6 based on squeeze receptacle pressure fast non-destructive detection method, it is characterized in that, described detection method is for the production of the container pressure Fast nondestructive evaluation on line.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510830509.3A CN105444927A (en) | 2015-11-25 | 2015-11-25 | Rapid nondestructive detection device based on extruded container pressure and method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510830509.3A CN105444927A (en) | 2015-11-25 | 2015-11-25 | Rapid nondestructive detection device based on extruded container pressure and method |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3413841A (en) * | 1966-04-15 | 1968-12-03 | Elcalor Ag | Leak testing method and apparatus for containers |
| US3762213A (en) * | 1971-05-03 | 1973-10-02 | Owens Illinois Inc | Leak detector |
| DE3000860A1 (en) * | 1980-01-11 | 1981-07-16 | Massott Michael | Leak testing of drinks bottles before filling - by computer controlled combined test and removal using regulated vacuum |
| JPS61246648A (en) * | 1985-04-24 | 1986-11-01 | Toppan Printing Co Ltd | Leakage inspection apparatus |
| CN1454311A (en) * | 2000-09-26 | 2003-11-05 | 马丁·莱曼 | Method and apparatus for leak testing closed containers |
| CN203132762U (en) * | 2013-03-28 | 2013-08-14 | 广州坚诺机械设备有限公司 | Container-pressure rapid nondestructive detecting device used on production line |
-
2015
- 2015-11-25 CN CN201510830509.3A patent/CN105444927A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3413841A (en) * | 1966-04-15 | 1968-12-03 | Elcalor Ag | Leak testing method and apparatus for containers |
| US3762213A (en) * | 1971-05-03 | 1973-10-02 | Owens Illinois Inc | Leak detector |
| DE3000860A1 (en) * | 1980-01-11 | 1981-07-16 | Massott Michael | Leak testing of drinks bottles before filling - by computer controlled combined test and removal using regulated vacuum |
| JPS61246648A (en) * | 1985-04-24 | 1986-11-01 | Toppan Printing Co Ltd | Leakage inspection apparatus |
| CN1454311A (en) * | 2000-09-26 | 2003-11-05 | 马丁·莱曼 | Method and apparatus for leak testing closed containers |
| CN203132762U (en) * | 2013-03-28 | 2013-08-14 | 广州坚诺机械设备有限公司 | Container-pressure rapid nondestructive detecting device used on production line |
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Application publication date: 20160330 |