CN103630308A - Packaging container leak detection machine - Google Patents
Packaging container leak detection machine Download PDFInfo
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- CN103630308A CN103630308A CN201310443886.2A CN201310443886A CN103630308A CN 103630308 A CN103630308 A CN 103630308A CN 201310443886 A CN201310443886 A CN 201310443886A CN 103630308 A CN103630308 A CN 103630308A
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Abstract
A packaging container leak detection machine is characterized in that a packaging container inner sealing cavity and a packaging container outer sealing cavity are formed between a packaging container inner and outer sealing cavity forming device and a packaging container when the packaging container is disposed in the packaging container inner and outer sealing cavity forming device; the inner side face of a turntable type positive/negative-pressure gas distributor and the outer side face of a shaft type positive-pressure gas connector are in sealed and rotary fit with each other, and the upper surface of the turntable type positive/negative-pressure gas distributor and the lower surface of a disc type negative-pressure gas connector are in sealed and rotary fit with each other; a packaging container inner pressurization device is communicated with the packaging container inner sealing cavity through the shaft type positive-pressure gas connector and the turntable type positive/negative-pressure gas distributor, and a packaging container outer vacuum pumping device is communicated with the packaging container outer sealing cavity through the disc type negative-pressure gas connector and the turntable type positive/negative-pressure gas distributor; and a leak detection control device is communicated with the packaging container outer sealing cavity through the disc type negative-pressure gas connector and the turntable type positive/negative-pressure gas distributor.
Description
Technical field
The present invention relates to a kind of leak test plant of packing container, more particularly, the present invention relates to a kind ofly can detect the packing container leak tester whether packing container exists leakage.
Background technology
At present, a lot of products all adopt packing container (such as Packaging Bottle, packing jar etc.) to encapsulate, packing container encapsulation has related to the fields such as food, pharmacy, chemical industry, therefore, the sealing property of packing container is most important, the good and bad packaging quality that can directly have influence on product of packing container sealing property.
In order to improve the packaging quality of product, must guarantee that packing container does not leak (the leakage that comprises liquids and gases, lower with) etc. defect, still, in the manufacturing process of packing container, impact due to machinery and equipment, material or the factor such as artificial, inevitably there will be and have the packing container leaking, so, before adopting packing container encapsulating products, need to carry out one by one Leak Detection to packing container, thereby judge packing container, whether leak.
Therefore, design and a kind ofly can detect the packing container leak tester whether packing container exists leakage, become the technical matters that current urgent need solves.
Summary of the invention
The technical problem to be solved in the present invention is to provide and a kind ofly can detects the packing container leak tester whether packing container exists leakage.In order to solve the problems of the technologies described above, the present invention adopts following technical scheme:
A packing container leak tester, is characterized in that: comprise that support, central fixed shaft, rotating disc type packing container conveying device, the inside and outside sealed cavity of a plurality of packing container form pressue device in device, shaft type barotropic gas connector, disc type negative-pressure gas connector, rotating disc type positive/negative-pressure gas distributor, packing container, the outer vacuum extractor of packing container and leak detection control device;
The lower end of above-mentioned central fixed shaft is fixedly mounted on support, and above-mentioned central fixed shaft vertically arranges;
Above-mentioned rotating disc type packing container conveying device is installed in rotation in central fixed shaft;
The inside and outside sealed cavity of above-mentioned a plurality of packing container forms device and is along the circumferential direction arranged on equably in rotating disc type packing container conveying device, when sealed cavity forms device inside and outside packing container is positioned at packing container, between the inside and outside sealed cavity formation device of packing container and packing container, form sealed cavity and a packing container external seal cavity in a packing container;
Above-mentioned shaft type barotropic gas connector is fixedly located in central fixed shaft, above-mentioned disc type negative-pressure gas connector and rotating disc type positive/negative-pressure gas distributor are enclosed within respectively on shaft type barotropic gas connector, above-mentioned disc type negative-pressure gas connector be positioned at rotating disc type positive/negative-pressure gas distributor above, above-mentioned disc type negative-pressure gas connector is located on shaft type barotropic gas connector un-rotatably, and above-mentioned rotating disc type positive/negative-pressure gas distributor is fixedly located in rotating disc type packing container conveying device; The lateral surface of the medial surface of above-mentioned rotating disc type positive/negative-pressure gas distributor and shaft type barotropic gas connector is rotatably assorted hermetically, and the lower surface of the upper surface of above-mentioned rotating disc type positive/negative-pressure gas distributor and disc type negative-pressure gas connector is rotatably assorted hermetically;
In above-mentioned packing container, the gas outlet of pressue device is communicated with the air intake opening of shaft type barotropic gas connector, and in above-mentioned packing container, pressue device is communicated with sealed cavity in packing container by shaft type barotropic gas connector and rotating disc type positive/negative-pressure gas distributor;
The bleeding point of the outer vacuum extractor of above-mentioned packing container is communicated with the gas outlet of disc type negative-pressure gas connector, and the outer vacuum extractor of above-mentioned packing container is communicated with packing container external seal cavity by disc type negative-pressure gas connector and rotating disc type positive/negative-pressure gas distributor;
Above-mentioned leak detection control device is arranged on disc type negative-pressure gas connector, and above-mentioned leak detection control device is communicated with packing container external seal cavity by disc type negative-pressure gas connector and rotating disc type positive/negative-pressure gas distributor.
When sealed cavity forms device inside and outside packing container is positioned at packing container, between the inside and outside sealed cavity formation device of packing container and packing container, form sealed cavity and a packing container external seal cavity in a packing container;
When rotating disc type packing container conveying device is when central fixed shaft is rotated, the packing container that rotating disc type packing container conveying device just can form sealed cavity inside and outside packing container in device is fed forward, simultaneously, because rotating disc type positive/negative-pressure gas distributor is fixedly located in rotating disc type packing container conveying device, so rotating disc type positive/negative-pressure gas distributor is along with rotating disc type packing container conveying device is rotated together; Again because shaft type barotropic gas connector is fixedly located in central fixed shaft, disc type negative-pressure gas connector is located on shaft type barotropic gas connector un-rotatably, so, the medial surface of rotating disc type positive/negative-pressure gas distributor just can rotate hermetically with respect to the lateral surface of shaft type barotropic gas connector, and the upper surface of rotating disc type positive/negative-pressure gas distributor just can rotate hermetically with respect to the lower surface of disc type negative-pressure gas connector; Like this, in packing container, pressue device is communicated with sealed cavity in packing container by shaft type barotropic gas connector and rotating disc type positive/negative-pressure gas distributor, and the outer vacuum extractor of packing container is communicated with packing container external seal cavity by disc type negative-pressure gas connector and rotating disc type positive/negative-pressure gas distributor; Therefore, under the control of leak detection control device, by pressue device in packing container and the outer vacuum extractor of packing container, act on the interior lateral wall of packing container simultaneously, thereby judge packing container, whether leak.
Optimal technical scheme as transfer disc type packing container conveying device of the present invention:
Described rotating disc type packing container conveying device comprises annular transfer dish, rotary flange and rotary drive mechanism;
Above-mentioned annular transfer dish and rotary flange are located at respectively in central fixed shaft rotationally, and above-mentioned annular transfer dish is positioned on rotary flange, and above-mentioned annular transfer dish is fixedly connected with rotary flange; Above-mentioned annular transfer dish is along the circumferential direction gone up and is provided with equably the inside and outside sealed cavity formation of a plurality of packing containers device;
Above-mentioned rotary drive mechanism comprises motor, speed reduction unit, power output gear and transmission gear; Above-mentioned motor and speed reduction unit are fixedly mounted in respectively on support, and above-mentioned motor and speed reduction unit are in transmission connection; Above-mentioned power output gear is fixedly located in the power output shaft of speed reduction unit, and above-mentioned transmission gear is fixedly located on rotary flange, and above-mentioned transmission gear and power output gear are in transmission connection.
When electric motor starting, motor drives power output gear to rotate by speed reduction unit, power output gear drives rotary flange to rotate around central fixed shaft by transmission gear, rotary flange just can drive annular transfer dish around central fixed shaft, to rotate together, like this, the packing container that annular transfer dish just can form sealed cavity inside and outside packing container in device be fed forward.
As sealed cavity inside and outside packing container in the present invention, form the optimal technical scheme of device:
The inside and outside sealed cavity of described packing container forms device and comprises leak detection chamber device and the inside and outside separating device of packing container, and above-mentioned leak detection chamber device is located in rotating disc type packing container conveying device, and the inside and outside separating device of above-mentioned packing container is located in the device of leak detection chamber.
It is prior art that the inside and outside sealed cavity of above-mentioned packing container forms device, the inside and outside separating device of above-mentioned leak detection chamber device and packing container can REFERENCE TO RELATED people the patent No. of application was 201110461363.1 in the past, name is called leak detection chamber device and the inside and outside separating device of bottle in the patent of invention of " Packaging Bottle leak tester ".
When packing container is positioned at leak detection chamber device, the inside and outside separating device of packing container just can be pressed in the vessel port of packing container hermetically, thereby the chamber device that makes to hunt leak is separated into sealed cavity and a packing container external seal cavity in a packing container.
Optimal technical scheme as central-axis type barotropic gas connector of the present invention:
Described shaft type barotropic gas connector comprises center air-separating shaft, radial air inlet mouth, axial admission passage, arc inlet channel, arc outlet passageway, axially outlet passageway and gas outlet radially;
Above-mentioned center air-separating shaft is fixedly located in central fixed shaft, above-mentioned radial air inlet mouth and radially gas outlet are radially located at respectively on the air-separating shaft of center, above-mentioned axial admission passage and axially outlet passageway are axially located at respectively on the air-separating shaft of center, above-mentioned arc inlet channel and arc outlet passageway are located at independently of each other along same circumferencial direction on the lateral surface of center air-separating shaft, between arc inlet channel and arc outlet passageway, have spacing block;
One end of above-mentioned radial air inlet mouth is communicated with the gas outlet of pressue device in packing container, the other end of above-mentioned radial air inlet mouth is communicated with arc inlet channel by axial admission passage, and above-mentioned arc inlet channel is communicated with sealed cavity in packing container by rotating disc type positive/negative-pressure gas distributor;
One end of above-mentioned radially gas outlet is in communication with the outside, and the other end of above-mentioned radially gas outlet is communicated with arc outlet passageway by axial outlet passageway, and above-mentioned arc outlet passageway is communicated with sealed cavity in packing container by rotating disc type positive/negative-pressure gas distributor.
When in packing container, radial air inlet mouth, axial admission passage, arc inlet channel and the rotating disc type positive/negative-pressure gas distributor of pressue device by shaft type barotropic gas connector is communicated with sealed cavity in packing container, pressue device is inputted a certain amount of gas to sealed cavity in packing container in packing container, thereby in sealed cavity, forms certain air pressure in packing container;
In packing container the arc outlet passageway of sealed cavity by rotating disc type positive/negative-pressure gas distributor and shaft type barotropic gas connector, axially outlet passageway, when radially gas outlet is in communication with the outside, gas in packing container in sealed cavity just can output to the external world, thereby makes the interior normal pressure that recovers of sealed cavity in packing container.
Optimal technical scheme as disc type negative-pressure gas connector in the present invention:
Described disc type negative-pressure gas connector comprises annular fixed disk, vacuumizes hole, vacuum breaking Kong He oil film seal mechanism;
Above-mentioned annular fixed disk is located on the center air-separating shaft of shaft type barotropic gas connector un-rotatably;
Above-mentionedly vacuumize hole and vacuum breaking hole is located on annular fixed disk respectively, and, above-mentionedly vacuumize hole and vacuum breaking hole is positioned on same circumference; The rotation direction of rotating disc type positive/negative-pressure gas distributor of take is the place ahead, and above-mentioned vacuum breaking hole is positioned at the place ahead that vacuumizes hole; Above-mentionedly vacuumize upper surface and the lower surface that hole and vacuum breaking hole all connect annular fixed disk;
The above-mentioned position that vacuumizes hole is corresponding with the position of arc inlet channel on the air-separating shaft of center, and above-mentioned vacuum breaking hole is positioned at the place ahead of arc outlet passageway on the air-separating shaft of center; The above-mentioned hole that vacuumizes is communicated with vacuum extractor outside packing container on the upper surface of annular fixed disk, and above-mentioned vacuum breaking hole is in communication with the outside on the upper surface of annular fixed disk;
Above-mentioned oil film seal mechanism comprises the first annular oil groove, the second annular oil groove, oil-in, oil-out and the middle oil groove that is connected; Above-mentioned the first annular oil groove is located on the inside circumference of its lower surface of annular fixed disk, and above-mentioned the second annular oil groove is located on the neighboring of its lower surface of annular fixed disk; Above-mentioned oil-in is located on the first annular oil groove, and above-mentioned oil-out is located on the second annular oil groove; In the middle of above-mentioned, connect oil groove and radially establish on the lower surface of annular fixed disk, above-mentioned middle one end that connects oil groove is communicated with the first annular oil groove, and the above-mentioned middle other end that connects oil groove is communicated with the second annular oil groove.
Because the first annular oil groove is located on the inside circumference of its lower surface of annular fixed disk, so above-mentioned the first annular oil groove forms annular oil film seal ring on the inside circumference of its lower surface of annular fixed disk;
Because the second annular oil groove is located on the neighboring of its lower surface of annular fixed disk, so above-mentioned the second annular oil groove forms an outer ring oil film seal ring on the neighboring of its lower surface of annular fixed disk;
Therefore, under the sealing function of interior annular oil film seal ring and outer ring oil film seal ring, the upper surface of the lower surface of above-mentioned annular fixed disk and rotating disc type positive/negative-pressure gas distributor is in sealing state, thereby above-mentioned oil film seal mechanism has good sealing property.
Again because oil-in is located on the first annular oil groove, oil-out is located on the second annular oil groove, the middle oil groove that connects is radially established on the lower surface of annular fixed disk, and middle one end that connects oil groove is communicated with the first annular oil groove, and the middle other end that connects oil groove is communicated with the second annular oil groove, so, fluid in external fuel tank is from oil-in enters, fluid enters in the first annular oil groove, fluid in the first annular oil groove enters in the second annular oil groove through the middle oil groove that connects again, fluid in the second annular oil groove again from oil-out out and flow in external fuel tank, thereby form an oil circulation loop, guaranteed to there is sufficient fluid in the first annular oil groove and the second annular oil groove, thereby make the lower surface of annular fixed disk and the upper surface of rotating disc type positive/negative-pressure gas distributor can be for a long time in sealing state, therefore, the good sealing effect of above-mentioned oil film seal mechanism, simultaneously, interior annular oil film seal ring and outer ring oil film seal ring can also make to have good greasy property between the lower surface of annular fixed disk and the upper surface of rotating disc type positive/negative-pressure gas distributor, thereby reduce the sliding friction between the lower surface of annular fixed disk and the upper surface of rotating disc type positive/negative-pressure gas distributor, therefore, good sealing effect, the long service life of above-mentioned oil film seal mechanism.
Optimal technical scheme as transfer disc type positive/negative-pressure gas distributor of the present invention:
Described rotating disc type positive/negative-pressure gas distributor comprises annular rolling disc, multichannel barotropic gas passage and multichannel negative-pressure gas passage;
Above-mentioned annular rolling disc is enclosed within on the center air-separating shaft of shaft type barotropic gas connector, and the lateral surface of the medial surface of above-mentioned annular rolling disc and center air-separating shaft is rotatably assorted hermetically;
Above-mentioned annular rolling disc is fixedly located in rotating disc type packing container conveying device, and the upper surface of above-mentioned annular rolling disc and the lower surface of annular fixed disk are rotatably assorted hermetically;
Above-mentioned multichannel barotropic gas passage is radially located on annular rolling disc, and above-mentioned multichannel barotropic gas passage arranges equably; The inner of barotropic gas passage is positioned on the medial surface of annular rolling disc, in the process of the medial surface of annular rolling disc and the lateral surface sealed rotational of center air-separating shaft, barotropic gas passage inner or be communicated with arc inlet channel or seal and be slidably matched or be communicated with arc outlet passageway with spacing block, the outer end of barotropic gas passage is positioned on the lateral surface of annular rolling disc and is communicated with packing container sealed cavity;
Above-mentioned multichannel negative-pressure gas passage is located on annular rolling disc equably along same circumferencial direction, one end of above-mentioned negative-pressure gas passage be positioned on the upper surface of annular rolling disc and with annular fixed disk on vacuumize hole and vacuum breaking hole is on same circumference; The other end of above-mentioned negative-pressure gas passage is positioned on the lateral surface of annular rolling disc and is communicated with packing container external seal cavity.
When the medial surface of annular rolling disc rotates one week hermetically with respect to the lateral surface of center air-separating shaft, because barotropic gas passage is radially located on annular rolling disc, the inner of barotropic gas passage is positioned on the medial surface of annular rolling disc, so the inner of barotropic gas passage is communicated with arc inlet channel successively, is slidably matched with spacing block sealing, is communicated with arc outlet passageway, is slidably matched with spacing block sealing;
When the inner of barotropic gas passage is communicated with arc inlet channel, in packing container, pressue device is communicated with sealed cavity in packing container by the barotropic gas passage of radial air inlet mouth, axial admission passage, arc inlet channel and the rotating disc type positive/negative-pressure gas distributor of shaft type barotropic gas connector, like this, pressue device just can be transported to barotropic gas in packing container in sealed cavity in packing container;
When the inner of barotropic gas passage and spacing block sealing are slidably matched, in packing container, pressue device just can stop carrying barotropic gas in sealed cavity in packing container, thereby makes in sealed cavity, to form in packing container constant air pressure;
When the inner of barotropic gas passage is communicated with arc outlet passageway, barotropic gas in packing container in sealed cavity just can be successively through the barotropic gas passage of rotating disc type positive/negative-pressure gas distributor and the arc outlet passageway of shaft type barotropic gas connector, axially outlet passageway, gas outlet and be discharged to the external world radially, thereby make in sealed cavity, to recover in packing container normal pressure.
When the upper surface of annular rolling disc rotates one week hermetically with respect to the lower surface of annular fixed disk, due to one end of negative-pressure gas passage be positioned on the upper surface of annular rolling disc and with annular fixed disk on vacuumize hole and vacuum breaking hole is on same circumference, so, above-mentioned negative-pressure gas passage successively with on annular fixed disk vacuumize hole and vacuum breaking hole is communicated with;
Negative-pressure gas passage on annular rolling disc is during with vacuumizing hole and be communicated with on annular fixed disk, the outer vacuum extractor of packing container is communicated with packing container external seal cavity by the hole that vacuumizes on the negative-pressure gas passage on annular rolling disc and annular fixed disk, like this, the outer vacuum extractor of packing container just can will be evacuated in packing container external seal cavity;
When the negative-pressure gas passage on annular rolling disc is communicated with the vacuum breaking hole on annular fixed disk, packing container external seal cavity is in communication with the outside by the negative-pressure gas passage on annular rolling disc and the vacuum breaking hole on annular fixed disk, like this, extraneous gas just can enter in packing container external seal cavity, thereby makes recovery normal pressure in packing container external seal cavity.
For make the upper surface of annular rolling disc and the lower surface of annular fixed disk better sealed rotational coordinate, between the upper surface of described annular fixed disk and center air-separating shaft, be provided with a hold-down mechanism, above-mentioned hold-down mechanism comprise that connecting flange, at least two sleeve-copper posts hold down assembly and at least two hold down assembly;
Above-mentioned connecting flange is fixedly located on the air-separating shaft of center coaxially;
Above-mentioned sleeve-copper post holds down assembly and comprises clamp sleeve and compress copper post, and above-mentioned compression copper post is fixedly located on the upper surface of annular fixed disk, and above-mentioned clamp sleeve is fixedly located on connecting flange, and the lower end of above-mentioned clamp sleeve is enclosed within and compresses on copper post;
Above-mentioned holding down assembly comprises Compress Spring, spring pressure adjuster bar and set nut, the bottom of above-mentioned spring pressure adjuster bar is stretched in clamp sleeve, stretch out outside clamp sleeve on the top of above-mentioned spring pressure adjuster bar, and above-mentioned spring pressure adjuster bar is connected with clamp sleeve by screw thread;
Above-mentioned set nut is arranged on spring pressure adjuster bar and is positioned at the outside of clamp sleeve;
Above-mentioned Compress Spring is located in clamp sleeve, and the lower end of above-mentioned Compress Spring joins with compression copper post, and the lower end of the upper end of above-mentioned Compress Spring and spring pressure adjuster bar joins.
By clamp sleeve lower end and the cover stressed joint that compresses copper post, can prevent that annular fixed disk from rotating, and, Compress Spring in clamp sleeve can make the lower surface of annular fixed disk be pressed on the upper surface of annular rolling disc, therefore, in the process of rotating with respect to annular fixed disk at annular rolling disc, the upper surface of annular rolling disc and the lower surface of annular fixed disk better sealed rotational coordinate;
Simultaneously, by torsional spring pressure adjusting lever, can the stretch into amount of control spring pressure adjusting lever in clamp sleeve, thereby control the decrement of Compress Spring, so just, can adjust the compression degree between annular fixed disk and annular rolling disc, thereby make to there is good sealing property between the lower surface of annular fixed disk and the upper surface of annular rolling disc; Regulate after the pressure of Compress Spring, by set nut, spring pressure adjuster bar is locked on clamp sleeve.
Optimal technical scheme as pressue device in packing container in the present invention:
In described packing container, pressue device preferably adopts air compressor.
Optimal technical scheme as the outer vacuum extractor of packing container in the present invention:
The outer vacuum extractor of described packing container preferably adopts vacuum pump.
Optimal technical scheme as the control device of hunting leak in the present invention:
Described leak detection control device comprises the first baroceptor, the second baroceptor and PLC controller;
Above-mentioned the first baroceptor and the second baroceptor are located at respectively on annular fixed disk, and above-mentioned the first baroceptor and the second baroceptor are all vacuumizing between hole and vacuum breaking hole;
The rotation direction of rotating disc type positive/negative-pressure gas distributor of take is the place ahead, above-mentioned the first baroceptor is positioned at the place ahead that vacuumizes hole, above-mentioned the second baroceptor is positioned at the place ahead of the first baroceptor, and above-mentioned the second baroceptor is positioned at the place ahead of arc outlet passageway on the air-separating shaft of center; Above-mentioned the second baroceptor is positioned at the rear in vacuum breaking hole;
A signal input part of above-mentioned PLC controller is electrically connected to the first baroceptor, and another signal input part of above-mentioned PLC controller is electrically connected to the second baroceptor.
When annular rolling disc moves in the direction of the clock, corresponding with the position of arc inlet channel on the air-separating shaft of center owing to vacuumizing the position in hole on annular fixed disk, so, when the barotropic gas passage on annular rolling disc is communicated with arc inlet channel, synchronously, the negative-pressure gas passage of annular on rolling disc also with vacuumize hole and be communicated with, like this, in packing container, pressue device is by the radial air inlet mouth on the air-separating shaft of center, axial admission passage, barotropic gas passage on arc inlet channel and annular rolling disc is transported to barotropic gas in packing container in sealed cavity, meanwhile, the outer vacuum extractor of packing container will be evacuated in packing container external seal cavity by the negative-pressure gas passage vacuumizing on hole and annular rolling disc on annular fixed disk, like this, the negative pressure that the outer vacuum extractor of the malleation that in packing container, pressue device produces and packing container produces just acts on the interior lateral wall of packing container simultaneously,
When the negative-pressure gas passage on annular rolling disc turns on the first baroceptor on annular fixed disk, above-mentioned the first baroceptor detects the vacuum pressure value in packing container external seal cavity by the negative-pressure gas passage on annular rolling disc, and this vacuum pressure value is flowed to PLC controller;
Because vacuum breaking hole is positioned at the place ahead of arc outlet passageway on the air-separating shaft of center, the second baroceptor is positioned at the place ahead of arc outlet passageway on the air-separating shaft of center, so, vacuum breaking hole is positioned at the place ahead of the second baroceptor, therefore, first baroceptor of negative-pressure gas passage on annular rolling disc from annular fixed disk turns in the process of the second baroceptor on annular fixed disk, arc outlet passageway on barotropic gas passage Bian Huiyu center air-separating shaft on annular rolling disc is communicated with, like this, barotropic gas in packing container in sealed cavity just can be successively through the barotropic gas passage on annular rolling disc and the arc outlet passageway on the air-separating shaft of center, axial outlet passageway, gas outlet and be discharged to the external world radially, thereby make the interior normal pressure that recovers of sealed cavity in packing container,
When the negative-pressure gas passage on annular rolling disc turns on the second baroceptor on annular fixed disk, above-mentioned the second baroceptor detects the vacuum pressure value in packing container external seal cavity by the negative-pressure gas passage on annular rolling disc, and this vacuum pressure value is flowed to PLC controller;
Above-mentioned PLC controller receives after two vacuum pressure values that the first baroceptor and the second baroceptor send here, and two vacuum pressure values are contrasted;
If in the value range of the difference of two vacuum pressure values in setting, illustrate that packing container does not leak, packing container is certified products;
If the difference of two vacuum pressure values exceeds the value range of setting, illustrate that packing container has leakage, therefore, packing container is substandard product;
When the negative-pressure gas passage on annular rolling disc turns on the vacuum breaking hole on annular fixed disk, packing container external seal cavity is in communication with the outside by the negative-pressure gas passage on annular rolling disc and the vacuum breaking hole on annular fixed disk, like this, extraneous gas just can enter in packing container external seal cavity, thereby make to recover normal pressure in packing container external seal cavity, so that packing container is exported in the device of leak detection chamber.
Like this, this packing container leak tester just automatically detects packing container and whether has leakage, so that filter out qualified packing container, carrys out encapsulating products, thereby lays a good foundation for the packaging quality of product.
Above-mentioned air compressor, vacuum pump, the first baroceptor, the second baroceptor and PLC controller etc. do not have the device of introducing to be in detail prior art.
The present invention's beneficial effect is against existing technologies:
Because adopting positive/negative-pressure, this packing container leak tester acts on the interior lateral wall of packing container simultaneously, by observing the variation of vacuum values in packing container external seal cavity, whether thereby judging packing container leaks, so, whether this packing container leak tester can more accurately detect packing container and leak, thereby guarantee to be used for the packing container leakage defect not of encapsulating products, improved the packaging quality of product.
Meanwhile, this packing container leak tester also has that simple in structure, reasonable in design, operation and maintenance is convenient, production cost is low, be easy to the advantages such as popularization.
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail, so that those skilled in the art can understand technology contents of the present invention fully.
accompanying drawing explanation
Fig. 1 is the structural representation of the preferred embodiment of the present invention;
Fig. 2 is the enlarged drawing of preferred embodiment of the present invention central-axis type barotropic gas connector;
Fig. 3 is that A-A in Fig. 2 is to cut-open view;
Fig. 4 is that B-B in Fig. 1 is to profile;
Fig. 5 is enlarged drawing when disc type negative-pressure gas connector is separated with rotating disc type positive/negative-pressure gas distributor in the preferred embodiment of the present invention;
Fig. 6 is the enlarged drawing after the also upset separated with rotating disc type positive/negative-pressure gas distributor of disc type negative-pressure gas connector in the preferred embodiment of the present invention.
embodiment
As shown in Figures 1 to 6, packing container leak tester in this preferred embodiment, comprises that support 1, central fixed shaft 10, rotating disc type packing container conveying device 2, the inside and outside sealed cavity of a plurality of packing container form pressue device 71 in device 3, shaft type barotropic gas connector 4, disc type negative-pressure gas connector 5, rotating disc type positive/negative-pressure gas distributor 6, packing container, the outer vacuum extractor 72 of packing container and leak detection control device 8.
As shown in Figure 1, the lower end of above-mentioned central fixed shaft 10 is fixedly mounted on support 1, and above-mentioned central fixed shaft 10 vertically arranges.
As shown in Figure 1, above-mentioned rotating disc type packing container conveying device 2 comprises annular transfer dish 21, rotary flange 22 and rotary drive mechanism 23;
Above-mentioned annular transfer dish 21 is located in central fixed shaft 10 rotationally by bearing 210, above-mentioned rotary flange 22 is located in central fixed shaft 10 rotationally by bearing pack 220, above-mentioned annular transfer dish 21 is positioned on rotary flange 22, and above-mentioned annular transfer dish 21 is fixedly connected with rotary flange 22;
Above-mentioned rotary drive mechanism 23 comprises motor 230, speed reduction unit 231, power output gear 232 and transmission gear 233; Above-mentioned motor 230 and speed reduction unit 231 are fixedly mounted in respectively on support 1, and above-mentioned motor 230 is in transmission connection with speed reduction unit 231; Above-mentioned power output gear 232 is fixedly located in the power output shaft of speed reduction unit 231, and above-mentioned transmission gear 233 is fixedly located on rotary flange 22, and above-mentioned transmission gear 233 is in transmission connection with power output gear 232.
As shown in Figure 1, the inside and outside sealed cavity of above-mentioned a plurality of packing container forms device 3 and is along the circumferential direction arranged on equably on the annular transfer dish 21 of rotating disc type packing container conveying device 2, the inside and outside sealed cavity of above-mentioned packing container forms device 3 and comprises leak detection chamber device 31 and the inside and outside separating device 32 of packing container, above-mentioned leak detection chamber device 31 is located on the annular transfer dish 21 of rotating disc type packing container conveying device 2, and the inside and outside separating device 32 of above-mentioned packing container is located in leak detection chamber device 31; When packing container 11 is positioned at leak detection chamber device 31, the inside and outside separating device 32 of packing container just can be pressed in the vessel port of packing container 11 hermetically, and the chamber device 31 that makes to hunt leak is separated into sealed cavity 33 and a packing container external seal cavity 34 in a packing container;
It is prior art that the inside and outside sealed cavity of above-mentioned packing container forms device 3, the concrete structure of the inside and outside separating device 32 of above-mentioned leak detection chamber device 31 and packing container and principle of work can REFERENCE TO RELATED people in the patent No. of application on Dec 22nd, 2011 be 201110461363.1, name is called leak detection chamber device in the patent of invention of " Packaging Bottle leak tester " and bottle inside and outside concrete structure and the principle of work of separating device.
As shown in Figures 1 to 4, above-mentioned shaft type barotropic gas connector 4 comprises center air-separating shaft 40, radial air inlet mouth 41, axial admission passage 42, arc inlet channel 43, arc outlet passageway 44, axially outlet passageway 45 and gas outlet 46 radially;
Above-mentioned center air-separating shaft 40 is fixedly located in central fixed shaft 10, above-mentioned radial air inlet mouth 41 and radially gas outlet 46 are radially located at respectively on center air-separating shaft 40, above-mentioned axial admission passage 42 and axially outlet passageway 45 are axially located at respectively on center air-separating shaft 40, above-mentioned arc inlet channel 43 and arc outlet passageway 44 are located at independently of each other along same circumferencial direction on the lateral surface 401 of center air-separating shaft 40, have spacing block 47,48 between above-mentioned arc inlet channel 43 and arc outlet passageway 44;
One end of above-mentioned radial air inlet mouth 41 is communicated with the gas outlet of pressue device 71 in packing container, the other end of above-mentioned radial air inlet mouth 41 is communicated with arc inlet channel 43 by axial admission passage 42, and above-mentioned arc inlet channel 43 is communicated with sealed cavity 33 in packing container by rotating disc type positive/negative-pressure gas distributor 6;
One end of above-mentioned radially gas outlet 46 is in communication with the outside, the other end of above-mentioned radially gas outlet 46 is communicated with arc outlet passageway 44 by axial outlet passageway 45, and above-mentioned arc outlet passageway 44 is communicated with sealed cavity 33 in packing container by rotating disc type positive/negative-pressure gas distributor 6.
As shown in Fig. 1, Fig. 5 and Fig. 6, above-mentioned disc type negative-pressure gas connector 5 comprises annular fixed disk 50, vacuumizes hole 51, vacuum breaking Kong52He oil film seal mechanism 53;
Above-mentioned annular fixed disk 50 is located on center air-separating shaft 40 un-rotatably;
Above-mentionedly vacuumize hole 51 and vacuum breaking hole 52 is located at respectively on annular fixed disk 50, and, above-mentionedly vacuumize hole 51 and vacuum breaking hole 52 is positioned on same circumference; The rotation direction of rotating disc type positive/negative-pressure gas distributor 6 of take is the place ahead, and above-mentioned vacuum breaking hole 52 is positioned at the place ahead that vacuumizes hole 51; Above-mentionedly vacuumize upper surface 501 and the lower surface 502 that hole 51 and vacuum breaking hole 52 all connect annular fixed disk 50;
The above-mentioned position that vacuumizes hole 51 is corresponding with the position of arc inlet channel 43 on center air-separating shaft 40, and above-mentioned vacuum breaking hole 52 is positioned at the place ahead of arc outlet passageway 44 on center air-separating shaft 40; The above-mentioned hole 51 that vacuumizes is communicated with vacuum extractor outside packing container 72 on the upper surface 501 of annular fixed disk 50, and above-mentioned vacuum breaking hole 52 501 is in communication with the outside on the upper surface of annular fixed disk 50;
Above-mentioned oil film seal mechanism 53 comprises the first annular oil groove 531, the second annular oil groove 532, oil-in 533, oil-out 534 and the middle oil groove 535 that is connected; Above-mentioned the first annular oil groove 531 is located on the inside circumference 503 of annular fixed disk 50 its lower surfaces 502, and above-mentioned the second annular oil groove 532 is located on the neighboring 504 of annular fixed disk 50 its lower surfaces 502; Above-mentioned oil-in 533 is located on the first annular oil groove 531, and above-mentioned oil-out 534 is located on the second annular oil groove 532; In the middle of above-mentioned, connect oil groove 535 and radially establish on the lower surface 502 of annular fixed disk 50, above-mentioned middle one end that connects oil groove 535 is communicated with the first annular oil groove 531, and the above-mentioned middle other end that connects oil groove 535 is communicated with the second annular oil groove 532.
As shown in Fig. 1, Fig. 4, Fig. 5 and Fig. 6, above-mentioned rotating disc type positive/negative-pressure gas distributor 6 comprises annular rolling disc 60, multichannel barotropic gas passage 61 and multichannel negative-pressure gas passage 62;
Above-mentioned annular rolling disc 60 is enclosed within on the center air-separating shaft 40 of shaft type barotropic gas connector 4, and the lateral surface 401 of the medial surface 601Yu center air-separating shaft 40 of above-mentioned annular rolling disc 60 is rotatably assorted hermetically;
Above-mentioned annular rolling disc 60 is fixedly located on the annular transfer dish 21 of rotating disc type packing container conveying device 2 by terminal pad 63; Above-mentioned annular rolling disc 60 be positioned at annular fixed disk 50 below, the upper surface of above-mentioned annular rolling disc 60 603 is rotatably assorted hermetically with the lower surface 502 of annular fixed disk 50;
Above-mentioned multichannel barotropic gas passage 61 is radially located on annular rolling disc 60, and above-mentioned multichannel barotropic gas passage 61 arranges equably;
The inner of above-mentioned barotropic gas passage 61 is positioned on the medial surface 601 of annular rolling disc 60, in the process of lateral surface 401 sealed rotational of the medial surface 601Yu center of annular rolling disc 60 air-separating shaft 40, above-mentioned barotropic gas passage 61 inner or be communicated with arc inlet channel 43 or be slidably matched with spacing block 47 sealings or be communicated with arc outlet passageway 44 or seal and be slidably matched with spacing block 48, the outer end of above-mentioned barotropic gas passage 61 is positioned on the lateral surface 602 of annular rolling disc 60 and is communicated with packing container sealed cavity 33;
Above-mentioned multichannel negative-pressure gas passage 62 is located on annular rolling disc 60 equably along same circumferencial direction, one end of above-mentioned negative-pressure gas passage 62 be positioned on the upper surface 603 of annular rolling disc 60 and with annular fixed disk 50 on vacuumize hole 51 and vacuum breaking hole 52 is on same circumference; The other end of above-mentioned negative-pressure gas passage 62 is positioned on the lateral surface 602 of annular rolling disc 60 and is communicated with packing container external seal cavity 34.
As depicted in figs. 1 and 2, in above-mentioned packing container, pressue device 71 adopts air compressor.
As shown in Figure 5 and Figure 6, the outer vacuum extractor 72 of above-mentioned packing container adopts vacuum pump.
As shown in Figure 5 and Figure 6, above-mentioned leak detection control device 8 comprises the first baroceptor 81, the second baroceptor 82 and PLC controller 83;
Above-mentioned the first baroceptor 81 and the second baroceptor 82 are located at respectively on annular fixed disk 50, and above-mentioned the first baroceptor 81 and the second baroceptor 82 are all vacuumizing between hole 51 and vacuum breaking hole 52;
The rotation direction of rotating disc type positive/negative-pressure gas distributor 6 of take is that the rotation side of annular rolling disc 60 is the place ahead, above-mentioned the first baroceptor 81 is positioned at the place ahead that vacuumizes hole 51, above-mentioned the second baroceptor 82 is positioned at the place ahead of the first baroceptor 81, and above-mentioned the second baroceptor 82 is positioned at the place ahead of arc outlet passageway 44 on center air-separating shaft 40; Above-mentioned the second baroceptor 82 is positioned at the rear in vacuum breaking hole 52;
A signal input part of above-mentioned PLC controller 83 is electrically connected to the first baroceptor 81, and another signal input part of above-mentioned PLC controller 83 is electrically connected to the second baroceptor 82.
For make the upper surface 603 of annular rolling disc 60 and the lower surface 502 of annular fixed disk 50 better sealed rotational coordinate, between the upper surface 501Yu center air-separating shaft 40 of above-mentioned annular fixed disk 50, be provided with a hold-down mechanism 9;
As shown in Figure 1 and Figure 5, above-mentioned hold-down mechanism 9 comprise that connecting flange 90, two sleeve-copper posts hold down assembly and two hold down assembly, above-mentioned sleeve-copper post holds down assembly and comprises clamp sleeve 91 and compress copper post 92, and above-mentioned holding down assembly comprises Compress Spring 93, spring pressure adjuster bar 94 and set nut 95;
Above-mentioned connecting flange 90 is fixedly located on center air-separating shaft 40 coaxially;
Above-mentioned compression copper post 92 is fixedly located on the upper surface 501 of annular fixed disk 50, and above-mentioned clamp sleeve 91 is fixedly located on connecting flange 90, and the lower end of above-mentioned clamp sleeve 91 is enclosed within and compresses on copper post 92;
The bottom of above-mentioned spring pressure adjuster bar 94 is stretched in clamp sleeve 91, and stretch out outside clamp sleeve 91 on the top of above-mentioned spring pressure adjuster bar 94, and above-mentioned spring pressure adjuster bar 94 is connected with clamp sleeve 91 by screw thread;
Above-mentioned set nut 95 is arranged on spring pressure adjuster bar 94 and is positioned at the outside of clamp sleeve 91;
Above-mentioned Compress Spring 93 is located in clamp sleeve 91, and the lower end of above-mentioned Compress Spring 93 joins with compression copper post 92, and the lower end of the upper end of above-mentioned Compress Spring 93 and spring pressure adjuster bar 94 joins.
Above-mentioned air compressor, vacuum pump, the first baroceptor 81, the second baroceptor 82 and PLC controller 83 etc. do not have the device of introducing to be in detail prior art.
Below the course of work of this packing container leak tester is at length introduced:
As shown in Figures 1 to 6, when adopting this packing container leak tester to hunt leak to packing container 11, first starter motor 230, motor 230 drives power output gear 232 to rotate by speed reduction unit 231, power output gear 232 drives rotary flange 22 to rotate around central fixed shaft 10 by transmission gear 233, rotary flange 22 just can drive annular transfer dish 21 around central fixed shaft 10, to rotate together, like this, packing container 11 just can enter into the inside and outside sealed cavity of packing container and form in the leak detection chamber device 31 of device 3, and along with annular transfer dish 21 is fed forward together;
When packing container 11 is positioned at leak detection chamber device 31, the inside and outside separating device 32 of packing container just can be pressed in the vessel port of packing container 11 hermetically, and the chamber device 31 that makes to hunt leak is separated into sealed cavity 33 and a packing container external seal cavity 34 in a packing container;
Because annular rolling disc 60 is enclosed within on the center air-separating shaft 40 of shaft type barotropic gas connector 4, and annular rolling disc 60 is fixedly located on the annular transfer dish 21 of rotating disc type packing container conveying device 2 by terminal pad 63; So annular rolling disc 60 is along with annular transfer dish 21 rotates together;
Because center air-separating shaft 40 is fixedly located in central fixed shaft 10, annular fixed disk 50 is located on center air-separating shaft 40 un-rotatably by hold-down mechanism 9, annular rolling disc 60 be positioned at annular fixed disk 50 below, so, the medial surface 601 of annular rolling disc 60 just can rotate hermetically with respect to the lateral surface 401 of center air-separating shaft 40, and the upper surface 603 of annular rolling disc 60 just can rotate hermetically with respect to the lower surface 502 of annular fixed disk 50;
Because the first annular oil groove 531 forms annular oil film seal ring on the inside circumference 503 of annular fixed disk 50 its lower surfaces 502, the second annular oil groove 532 forms an outer ring oil film seal ring on the neighboring 504 of annular fixed disk 50 its lower surfaces 502, so, under the sealing function of interior annular oil film seal ring and outer ring oil film seal ring, the lower surface 502 of above-mentioned annular fixed disk 50 and the upper surface 603 of annular rolling disc 60 are in sealing state, and, fluid in external fuel tank is from oil-in 533 enters, fluid enters in the first annular oil groove 531, fluid in the first annular oil groove 531 enters in the second annular oil groove 532 through the middle oil groove 535 that connects again, fluid in the second annular oil groove 532 again from oil-out 534 out and flow in external fuel tank, thereby form an oil circulation loop, so just, guaranteed to there is sufficient fluid in the first annular oil groove 531 and the second annular oil groove 532, thereby make the lower surface 503 of annular fixed disk 50 and the upper surface 603 of annular rolling disc 60 for a long time in sealing and lubricating status,
When annular rolling disc 60 rotates one week hermetically with respect to center air-separating shaft 40 and annular fixed disk 50 in the direction of the clock, the inner of barotropic gas passage 61 on above-mentioned annular rolling disc 60 is communicated with arc inlet channel 43 successively, be slidably matched with spacing block 47 sealings, is communicated with arc outlet passageway 44, and spacing block 48 seal and be slidably matched, the negative-pressure gas passage 62 on above-mentioned annular rolling disc 60 is communicated with vacuumize hole 51, the first baroceptor 81, the second baroceptor 82, vacuum breaking hole 51 on annular fixed disk 50 successively;
Corresponding with the position of arc inlet channel 43 on center air-separating shaft 40 owing to vacuumizing the position in hole 51 on annular fixed disk 50, so, when the barotropic gas passage 61 on annular rolling disc 60 is communicated with arc inlet channel 43, synchronously, the negative-pressure gas passage 62 of annular on rolling disc 60 also with vacuumize hole 51 and be communicated with, like this, in packing container, pressue device 71 is by the radial air inlet mouth 41 on center air-separating shaft 40, axial admission passage 42, barotropic gas passage 61 on arc inlet channel 43 and annular rolling disc 60 is transported to barotropic gas in packing container in sealed cavity 33, meanwhile, the outer vacuum extractor 72 of packing container will be evacuated in packing container external seal cavity 34 by the negative-pressure gas passage 62 vacuumizing on hole 51 and annular rolling disc 60 on annular fixed disk 50, like this, the negative pressure that the malleation that the interior pressue device 71 of packing container produces and the outer vacuum extractor 72 of packing container produce just acts on packing container 11 its interior lateral walls in leak detection chamber device 31 simultaneously,
When the negative-pressure gas passage 62 on annular rolling disc 60 turns on the first baroceptor 81 on annular fixed disk 50, barotropic gas passage 61 on annular rolling disc 60 is still communicated with arc inlet channel 43, under the acting in conjunction of the negative pressure that outside packing container 11 its interior lateral wall malleations that still pressue device 71 produces in packing container in leak detection chamber device 31 and packing container, vacuum extractor 72 produces, like this, the first baroceptor 81 detects the vacuum pressure value P1 in packing container external seal cavity 34 by the negative-pressure gas passage 62 on annular rolling disc 60, and this vacuum pressure value P1 is flowed to PLC controller 83,
When barotropic gas passage 61 its inners on annular rolling disc 60 are slidably matched with close 47 envelopes of spacing block, pressue device 71 just can stop to the interior conveying barotropic gas of sealed cavity 33 in packing container in packing container, thereby makes the constant air pressure of the interior formation of sealed cavity 33 in packing container;
Because vacuum breaking hole 52 is positioned at the place ahead of arc outlet passageway 44 on center air-separating shaft 40, the second baroceptor 82 is positioned at the place ahead of arc outlet passageway 44 on center air-separating shaft 40, so, vacuum breaking hole 52 is positioned at the place ahead of the second baroceptor 82, therefore, first baroceptor 81 of negative-pressure gas passage 62 on annular rolling disc 60 from annular fixed disk 50 turns in the process of the second baroceptor 82 on annular fixed disk 50, arc outlet passageway 44 on barotropic gas passage 61Bian Huiyu center air-separating shaft 40 on annular rolling disc 60 is communicated with, like this, barotropic gas in packing container in sealed cavity 33 just can be successively through the arc outlet passageway 44 on the barotropic gas passage 61He center air-separating shaft 40 on annular rolling disc 60, axial outlet passageway 45, gas outlet 46 and be discharged to the external world radially, thereby make the interior recovery normal pressure of sealed cavity 34 in packing container,
When the negative-pressure gas passage 62 on annular rolling disc 60 turns on the second baroceptor 82 on annular fixed disk 50, above-mentioned the second baroceptor 82 detects the vacuum pressure value P2 in packing container external seal cavity 34 by the negative-pressure gas passage 62 on annular rolling disc 60, and this vacuum pressure value P2 is flowed to PLC controller 83;
Above-mentioned PLC controller 83 receives after two vacuum pressure value P1, the P2 that the first baroceptor 81 and the second baroceptor 82 send here, and two vacuum pressure value P1, P2 are contrasted;
If in the value range of the difference of two vacuum pressure value P1, P2 in setting, illustrate that packing container 11 does not leak, packing container 11 is certified products; If the difference of two vacuum pressure value P1, P2 exceeds the value range of setting, illustrate that packing container 11 has leakage, therefore, packing container 11 is substandard product;
When the negative-pressure gas passage 62 on annular rolling disc 60 turns on the vacuum breaking hole 52 on annular fixed disk 50, packing container external seal cavity 34 is in communication with the outside by negative-pressure gas passage 62 and vacuum breaking hole 52, like this, extraneous gas just can enter in packing container external seal cavity 34, thereby make the interior recovery normal pressure of packing container external seal cavity 34, so that packing container 11 is from leak detection chamber device 31 interior outputs;
Like this, this packing container leak tester just automatically detects packing container 11 and whether has leakage, thereby guarantees to be used for packing container 11 leakage defect not of encapsulating products, has improved the packaging quality of product.
In addition, by clamp sleeve 91 lower ends and the cover stressed joint that compresses copper post 92, can prevent that annular fixed disk 50 from rotating, and, Compress Spring 93 in clamp sleeve 91 can make the lower surface 502 of annular fixed disk 50 be pressed on the upper surface 603 of annular rolling disc 60, therefore,, in the process of rotating with respect to annular fixed disk 50 at annular rolling disc 60, the upper surface 603 of annular rolling disc 60 and the lower surface 502 of annular fixed disk 50 better sealed rotational coordinate;
And, by torsional spring pressure adjusting lever 94, can the stretch into amount of control spring pressure adjusting lever 94 in clamp sleeve 91, thereby control the decrement of Compress Spring 93, so just, can adjust the compression degree between annular fixed disk 50 and annular rolling disc 60, thereby make to there is good sealing property between the lower surface 502 of annular fixed disk 50 and the upper surface 603 of annular rolling disc 60; Regulate after the pressure of Compress Spring 93, by set nut 95, spring pressure adjuster bar 94 is locked on clamp sleeve 91.
The flow direction of the direction indication barotropic gas of arrow in Fig. 2.
The rotation direction of the direction indication of arrow annular rolling disc 60 in Fig. 4, Fig. 5 and Fig. 6.
The content of above embodiment is only the preferred embodiments of the present invention, and above preferred embodiment is not used for limiting practical range of the present invention; Every various equivalents of making according to the protection domain of its claim of the present invention, are all covered by the protection domain of its claim of the present invention.
Claims (10)
1. a packing container leak tester, is characterized in that: comprise that support, central fixed shaft, rotating disc type packing container conveying device, the inside and outside sealed cavity of a plurality of packing container form pressue device in device, shaft type barotropic gas connector, disc type negative-pressure gas connector, rotating disc type positive/negative-pressure gas distributor, packing container, the outer vacuum extractor of packing container and leak detection control device;
The lower end of above-mentioned central fixed shaft is fixedly mounted on support, and above-mentioned central fixed shaft vertically arranges;
Above-mentioned rotating disc type packing container conveying device is installed in rotation in central fixed shaft;
The inside and outside sealed cavity of above-mentioned a plurality of packing container forms device and is along the circumferential direction arranged on equably in rotating disc type packing container conveying device, when sealed cavity forms device inside and outside packing container is positioned at packing container, between the inside and outside sealed cavity formation device of packing container and packing container, form sealed cavity and a packing container external seal cavity in a packing container;
Above-mentioned shaft type barotropic gas connector is fixedly located in central fixed shaft, above-mentioned disc type negative-pressure gas connector and rotating disc type positive/negative-pressure gas distributor are enclosed within respectively on shaft type barotropic gas connector, above-mentioned disc type negative-pressure gas connector be positioned at rotating disc type positive/negative-pressure gas distributor above, above-mentioned disc type negative-pressure gas connector is located on shaft type barotropic gas connector un-rotatably, and above-mentioned rotating disc type positive/negative-pressure gas distributor is fixedly located in rotating disc type packing container conveying device; The lateral surface of the medial surface of above-mentioned rotating disc type positive/negative-pressure gas distributor and shaft type barotropic gas connector is rotatably assorted hermetically, and the lower surface of the upper surface of above-mentioned rotating disc type positive/negative-pressure gas distributor and disc type negative-pressure gas connector is rotatably assorted hermetically;
In above-mentioned packing container, the gas outlet of pressue device is communicated with the air intake opening of shaft type barotropic gas connector, and in above-mentioned packing container, pressue device is communicated with sealed cavity in packing container by shaft type barotropic gas connector and rotating disc type positive/negative-pressure gas distributor;
The bleeding point of the outer vacuum extractor of above-mentioned packing container is communicated with the gas outlet of disc type negative-pressure gas connector, and the outer vacuum extractor of above-mentioned packing container is communicated with packing container external seal cavity by disc type negative-pressure gas connector and rotating disc type positive/negative-pressure gas distributor;
Above-mentioned leak detection control device is arranged on disc type negative-pressure gas connector, and above-mentioned leak detection control device is communicated with packing container external seal cavity by disc type negative-pressure gas connector and rotating disc type positive/negative-pressure gas distributor.
2. packing container leak tester according to claim 1, is characterized in that: described rotating disc type packing container conveying device comprises annular transfer dish, rotary flange and rotary drive mechanism;
Above-mentioned annular transfer dish and rotary flange are located at respectively in central fixed shaft rotationally, and above-mentioned annular transfer dish is positioned on rotary flange, and above-mentioned annular transfer dish is fixedly connected with rotary flange; Above-mentioned annular transfer dish is along the circumferential direction gone up and is provided with equably the inside and outside sealed cavity formation of a plurality of packing containers device;
Above-mentioned rotary drive mechanism comprises motor, speed reduction unit, power output gear and transmission gear; Above-mentioned motor and speed reduction unit are fixedly mounted in respectively on support, and above-mentioned motor and speed reduction unit are in transmission connection; Above-mentioned power output gear is fixedly located in the power output shaft of speed reduction unit, and above-mentioned transmission gear is fixedly located on rotary flange, and above-mentioned transmission gear and power output gear are in transmission connection.
3. packing container leak tester according to claim 1, it is characterized in that: the inside and outside sealed cavity of described packing container forms device and comprises leak detection chamber device and the inside and outside separating device of packing container, above-mentioned leak detection chamber device is located in rotating disc type packing container conveying device, and the inside and outside separating device of above-mentioned packing container is located in the device of leak detection chamber.
4. packing container leak tester according to claim 1, is characterized in that: described shaft type barotropic gas connector comprises center air-separating shaft, radial air inlet mouth, axial admission passage, arc inlet channel, arc outlet passageway, axially outlet passageway and gas outlet radially;
Above-mentioned center air-separating shaft is fixedly located in central fixed shaft, above-mentioned radial air inlet mouth and radially gas outlet are radially located at respectively on the air-separating shaft of center, above-mentioned axial admission passage and axially outlet passageway are axially located at respectively on the air-separating shaft of center, above-mentioned arc inlet channel and arc outlet passageway are located at independently of each other along same circumferencial direction on the lateral surface of center air-separating shaft, between arc inlet channel and arc outlet passageway, have spacing block;
One end of above-mentioned radial air inlet mouth is communicated with the gas outlet of pressue device in packing container, the other end of above-mentioned radial air inlet mouth is communicated with arc inlet channel by axial admission passage, and above-mentioned arc inlet channel is communicated with sealed cavity in packing container by rotating disc type positive/negative-pressure gas distributor;
One end of above-mentioned radially gas outlet is in communication with the outside, and the other end of above-mentioned radially gas outlet is communicated with arc outlet passageway by axial outlet passageway, and above-mentioned arc outlet passageway is communicated with sealed cavity in packing container by rotating disc type positive/negative-pressure gas distributor.
5. packing container leak tester according to claim 4, is characterized in that: described disc type negative-pressure gas connector comprises annular fixed disk, vacuumizes hole, vacuum breaking Kong He oil film seal mechanism;
Above-mentioned annular fixed disk is located on the center air-separating shaft of shaft type barotropic gas connector un-rotatably;
Above-mentionedly vacuumize hole and vacuum breaking hole is located on annular fixed disk respectively, and, above-mentionedly vacuumize hole and vacuum breaking hole is positioned on same circumference; The rotation direction of rotating disc type positive/negative-pressure gas distributor of take is the place ahead, and above-mentioned vacuum breaking hole is positioned at the place ahead that vacuumizes hole; Above-mentionedly vacuumize upper surface and the lower surface that hole and vacuum breaking hole all connect annular fixed disk;
The above-mentioned position that vacuumizes hole is corresponding with the position of arc inlet channel on the air-separating shaft of center, and above-mentioned vacuum breaking hole is positioned at the place ahead of arc outlet passageway on the air-separating shaft of center; The above-mentioned hole that vacuumizes is communicated with vacuum extractor outside packing container on the upper surface of annular fixed disk, and above-mentioned vacuum breaking hole is in communication with the outside on the upper surface of annular fixed disk;
Above-mentioned oil film seal mechanism comprises the first annular oil groove, the second annular oil groove, oil-in, oil-out and the middle oil groove that is connected; Above-mentioned the first annular oil groove is located on the inside circumference of its lower surface of annular fixed disk, and above-mentioned the second annular oil groove is located on the neighboring of its lower surface of annular fixed disk; Above-mentioned oil-in is located on the first annular oil groove, and above-mentioned oil-out is located on the second annular oil groove; In the middle of above-mentioned, connect oil groove and radially establish on the lower surface of annular fixed disk, above-mentioned middle one end that connects oil groove is communicated with the first annular oil groove, and the above-mentioned middle other end that connects oil groove is communicated with the second annular oil groove.
6. packing container leak tester according to claim 5, is characterized in that: described rotating disc type positive/negative-pressure gas distributor comprises annular rolling disc, multichannel barotropic gas passage and multichannel negative-pressure gas passage;
Above-mentioned annular rolling disc is enclosed within on the center air-separating shaft of shaft type barotropic gas connector, and the lateral surface of the medial surface of above-mentioned annular rolling disc and center air-separating shaft is rotatably assorted hermetically;
Above-mentioned annular rolling disc is fixedly located in rotating disc type packing container conveying device, and the upper surface of above-mentioned annular rolling disc and the lower surface of annular fixed disk are rotatably assorted hermetically;
Above-mentioned multichannel barotropic gas passage is radially located on annular rolling disc, and above-mentioned multichannel barotropic gas passage arranges equably; The inner of barotropic gas passage is positioned on the medial surface of annular rolling disc, in the process of the medial surface of annular rolling disc and the lateral surface sealed rotational of center air-separating shaft, barotropic gas passage inner or be communicated with arc inlet channel or seal and be slidably matched or be communicated with arc outlet passageway with spacing block, the outer end of barotropic gas passage is positioned on the lateral surface of annular rolling disc and is communicated with packing container sealed cavity;
Above-mentioned multichannel negative-pressure gas passage is located on annular rolling disc equably along same circumferencial direction, one end of above-mentioned negative-pressure gas passage be positioned on the upper surface of annular rolling disc and with annular fixed disk on vacuumize hole and vacuum breaking hole is on same circumference; The other end of above-mentioned negative-pressure gas passage is positioned on the lateral surface of annular rolling disc and is communicated with packing container external seal cavity.
7. packing container leak tester according to claim 5, it is characterized in that: between the upper surface of described annular fixed disk and center air-separating shaft, be provided with a hold-down mechanism, above-mentioned hold-down mechanism comprise that connecting flange, at least two sleeve-copper posts hold down assembly and at least two hold down assembly;
Above-mentioned connecting flange is fixedly located on the air-separating shaft of center coaxially;
Above-mentioned sleeve-copper post holds down assembly and comprises clamp sleeve and compress copper post, and above-mentioned compression copper post is fixedly located on the upper surface of annular fixed disk, and above-mentioned clamp sleeve is fixedly located on connecting flange, and the lower end of above-mentioned clamp sleeve is enclosed within and compresses on copper post;
Above-mentioned holding down assembly comprises Compress Spring, spring pressure adjuster bar and set nut, the bottom of above-mentioned spring pressure adjuster bar is stretched in clamp sleeve, stretch out outside clamp sleeve on the top of above-mentioned spring pressure adjuster bar, and above-mentioned spring pressure adjuster bar is connected with clamp sleeve by screw thread;
Above-mentioned set nut is arranged on spring pressure adjuster bar and is positioned at the outside of clamp sleeve;
Above-mentioned Compress Spring is located in clamp sleeve, and the lower end of above-mentioned Compress Spring joins with compression copper post, and the lower end of the upper end of above-mentioned Compress Spring and spring pressure adjuster bar joins.
8. packing container leak tester according to claim 1, is characterized in that: in described packing container, pressue device adopts air compressor.
9. packing container leak tester according to claim 1, is characterized in that: the outer vacuum extractor of described packing container adopts vacuum pump.
10. packing container leak tester according to claim 5, is characterized in that: described leak detection control device comprises the first baroceptor, the second baroceptor and PLC controller;
Above-mentioned the first baroceptor and the second baroceptor are located at respectively on annular fixed disk, and above-mentioned the first baroceptor and the second baroceptor are all vacuumizing between hole and vacuum breaking hole;
The rotation direction of rotating disc type positive/negative-pressure gas distributor of take is the place ahead, above-mentioned the first baroceptor is positioned at the place ahead that vacuumizes hole, above-mentioned the second baroceptor is positioned at the place ahead of the first baroceptor, and above-mentioned the second baroceptor is positioned at the place ahead of arc outlet passageway on the air-separating shaft of center; Above-mentioned the second baroceptor is positioned at the rear in vacuum breaking hole;
A signal input part of above-mentioned PLC controller is electrically connected to the first baroceptor, and another signal input part of above-mentioned PLC controller is electrically connected to the second baroceptor.
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| CN201310443886.2A CN103630308B (en) | 2013-09-26 | 2013-09-26 | Packing container leak tester |
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| CN103630308B CN103630308B (en) | 2016-03-09 |
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| CN106379612A (en) * | 2016-11-05 | 2017-02-08 | 汕头市新青罐机有限公司 | Intelligent leakiness inspector |
| CN109746160A (en) * | 2019-02-02 | 2019-05-14 | 孙翔宇 | A kind of wireless communications chips point glue equipment and its manufacturing method |
| CN109746160B (en) * | 2019-02-02 | 2021-01-01 | 孙翔宇 | Wireless communication chip glue dispensing device and manufacturing method thereof |
| CN112194078A (en) * | 2020-10-16 | 2021-01-08 | 梅特勒-托利多(常州)测量技术有限公司 | Barrel cover sealing detection equipment and method for full-automatic filling line |
| CN112194078B (en) * | 2020-10-16 | 2022-06-28 | 梅特勒-托利多(常州)测量技术有限公司 | Barrel cover sealing detection equipment and method for full-automatic filling line |
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