CN105203278A - Leak detection equipment - Google Patents
Leak detection equipment Download PDFInfo
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- CN105203278A CN105203278A CN201510607338.8A CN201510607338A CN105203278A CN 105203278 A CN105203278 A CN 105203278A CN 201510607338 A CN201510607338 A CN 201510607338A CN 105203278 A CN105203278 A CN 105203278A
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Abstract
The invention discloses leak detection equipment for a flexible packaging product. The leak detection equipment comprises a rack and pressurization equipment. The pressurization equipment is an air cylinder piston assembly capable of applying pressure on the flexible packaging product continuously, and the fixed end of the air cylinder piston assembly is fixedly connected with the rack. A detection platform where the flexible packaging product to be detected is placed is further fixedly arranged on the rack. The air cylinder piston assembly is connected with a pressure gage used for detecting pressure of an air cylinder. The air cylinder piston assembly adopted for pressurization can output pressure continuously with the pressure maintenance characteristic, and whether the packaging product leaks air can be detected more thoroughly through pressure detection, with a certain time length, on the packaging bag; besides, pressure changes of the air cylinder are detected through the connected pressure gage, pressure changes in the packaging product pressurized by the air cylinder are displayed accordingly, and therefore the sealing air leak condition of the flexible packaging product can be correctly reflected; manual direct leak observation is replaced with reading of the pressure gage, and therefore the leak detection equipment is more reliable and saves labor.
Description
Technical field
The present invention relates to packaging facilities technical field, more particularly, relate to a kind of leak test plant for the leak detection of flexible packaging product.
Background technology
At present, existing big soft infusion bag or PP soft bottle infusion solutions leak test plant are mostly the online roller pressure checkout equipment of plain type, refer in particular to the leak test plant for non-PVC film herein, whether this equipment, for detecting the sealing of the complete packaging bag of sealing, namely detects it and leaks gas.
The concrete operations principle of online roller pressure checkout equipment is: the rubber tire utilizing a face shaping to be applicable to is gone over from the surface rolling of packaging bag or soft bottle under the driving of motor, in the process of this roll extrusion, by artificial naked eyes distinguish packaging bag or soft bottle whether gas leakage is to judge its sealing situation.
But inventor finds: it is the micropore being difficult to detect more than the liquid level in packaging that the current online roller pressure of this plain type detects also the most fatal main defect; And be difficult to detect that diameter is in 50 microns and following seepage or micro-leakage.
Secondly, the time of the detected pressures in this testing process and maintenance pressure is difficult to accurate adjustment, can only lean on repetition test or hold by the operating experience of skilled labor and adjust; But in the batch production of reality, judge roughly that by artificial naked eyes the method for the sealing quality of packing is too coarse, and consume a large amount of manpowers and time, greatly reduce the efficiency that operation is carried out, and this detection method is owing to too relying on manpower, so there is very large contingency and randomness, be easier to occur undetected situation, serious threat production, use the security of medicine and food.
In sum, how effectively solve flexible packaging product leak detection operation too rely on manpower and Detection results without technical matterss such as guarantees, be current those skilled in the art's urgent problem.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of leak test plant for the leak detection of flexible packaging product, the structural design of this leak test plant can effectively solve flexible packaging product leak detection operation too rely on manpower and Detection results without technical matterss such as guarantees.
In order to achieve the above object, the invention provides following technical scheme:
A kind of leak test plant for the leak detection of flexible packaging product, comprise frame and pressurized equipment, pressurized equipment is sustainablely execute stressed cylinder-piston assembly to flexible packaging product, the stiff end of cylinder-piston assembly is fixedly connected with frame, frame is also fixedly installed the detection platform of placing flexible packaging product to be detected, cylinder-piston assembly is connected with the tensimeter for detecting cylinder pressure.
Preferably, in above-mentioned leak test plant, the cylinder of cylinder-piston assembly is fixedly connected with frame, and the piston coordinated with cylinder is connected with the pressing plate extruding flexible packaging product.
Preferably, in above-mentioned leak test plant, be connected by the joint pin be arranged at therebetween between piston with pressing plate, joint pin be provided with the Telescopic Fixed structure of adjustable column body length.
Preferably, in above-mentioned leak test plant, be fixedly installed the slide block and chute that cooperatively interact on pressing plate He in frame, slide block can keep oriented sliding in chute.
Preferably, in above-mentioned leak test plant, frame comprises the cylinder mounting plate suspending and be fixed on above detection platform, and cylinder is fixedly installed on cylinder mounting plate, and the stroke directions of cylinder is perpendicular to detection platform.
Preferably, in above-mentioned leak test plant, fixing by being symmetrical arranged two pieces of risers between cylinder mounting plate and detection platform, between two pieces of risers, being fixedly installed gusset plate.
Preferably, in above-mentioned leak test plant, gusset plate is symmetrically arranged with left angle sheave and right angle sheave, pressing plate is fixedly installed slide block, the length direction of slide block is parallel to the stroke directions of cylinder.
Preferably, in above-mentioned leak test plant, cylinder is communicated with filtration pressure regulator valve, and tensimeter is installed on and filters on pressure regulator valve.
Preferably, in above-mentioned leak test plant, the afterbody of cylinder is installed with angle block of right angle, filters variable valve and is fixedly installed on angle block of right angle.
Preferably, in above-mentioned leak test plant, frame is fixedly installed hand-operated direction valve, hand-operated direction valve is communicated with cylinder.
Leak test plant for the leak detection of flexible packaging product provided by the invention, comprise frame and pressurized equipment, pressurized equipment is sustainablely execute stressed cylinder-piston assembly to flexible packaging product, the stiff end of cylinder-piston assembly is fixedly connected with frame, frame is also fixedly installed the detection platform of placing flexible packaging product to be detected, cylinder-piston assembly is connected with the tensimeter for detecting cylinder pressure.Cylinder-piston assembly is adopted to replace traditional pressuring method to pressurize to packaging to be measured, due to the feature that self can realize maintenance pressure of cylinder assembly, so it can carry out the Output pressure continued, pressure detection packaging bag to certain hour length more thoroughly can detect whether packaging exists gas leakage, situation about being missed to prevent micropore; And adopt the tensimeter connected to detect that cylinder pressure changes, demonstrate the pressure change in the package that pressurizeed by cylinder whereby, the sealing gas leakage situation reflecting flexible packaging product that thus can be correct, replace workman by manometric reading and directly observe leakage, more reliable and saving manpower.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The axle side structure schematic diagram of the leak test plant that Fig. 1 provides for the embodiment of the present invention;
The leak test plant that Fig. 2 provides for the embodiment of the present invention face structural representation.
In accompanying drawing, mark is as follows:
Tensimeter 1, filtration pressure regulator valve 2, cylinder mounting plate 3, joint pin 4, left angle sheave 5-1, right angle sheave 5-2, gusset plate 6, riser 7, angle block of right angle 8, cylinder 9, hand-operated direction valve 10, slide block 11, pressing plate 12, detection platform 13.
Embodiment
The embodiment of the invention discloses a kind of leak test plant for the leak detection of flexible packaging product, too rely on manpower and Detection results without technical matterss such as guarantees to solve flexible packaging product leak detection operation.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Refer to Fig. 1 and Fig. 2, the axle side structure schematic diagram of the leak test plant that Fig. 1 provides for the embodiment of the present invention, the leak test plant that Fig. 2 provides for the embodiment of the present invention face structural representation.
Leak test plant for the leak detection of flexible packaging product provided by the invention, comprise frame and pressurized equipment, pressurized equipment is sustainablely execute stressed cylinder-piston assembly to flexible packaging product, the stiff end of cylinder-piston assembly is fixedly connected with frame, frame is also fixedly installed the detection platform 13 of placing flexible packaging product to be detected, cylinder-piston assembly is connected with the tensimeter 1 for detecting cylinder 9 pressure.
Wherein cylinder-piston assembly comprises cylinder 9 and the piston that coordinates with cylinder 9 and other back work parts, detection platform 13 is preferably provided with the fixed sturcture for locating flexible packaging product to be detected, to prevent the position sideslip of product to be tested in the detection, affect Detection results; In addition cylinder-piston assembly is moved by air pump, compressor or other similar device drives, and type of drive can be determined according to concrete request for utilization, and those skilled in the art easily select, and do not repeat at this.
Cylinder-piston assembly is adopted to replace traditional pressuring method to pressurize to packaging to be measured, due to the feature that self can realize maintenance pressure of cylinder-piston assembly, so it can carry out the Output pressure continued, pressure detection packaging bag to certain hour length more thoroughly can detect whether packaging exists gas leakage, situation about being missed to prevent micropore; And adopt the tensimeter 1 connected to detect that cylinder 9 pressure changes, demonstrate the pressure change in the package that pressurizeed by cylinder 9 whereby, the sealing gas leakage situation reflecting flexible packaging product that thus can be correct, replace workman by the reading of tensimeter 1 and directly observe leakage, more reliable and saving manpower.
For optimizing technique scheme further, preferred on the basis of above-described embodiment, in above-mentioned leak test plant, the cylinder 9 of cylinder-piston assembly is fixedly connected with frame, and the piston coordinated with cylinder 9 is connected with the pressing plate 12 extruding flexible packaging product.
Wherein it should be noted that to there is rigid connection between pressing plate 12 and piston, the effect motion of piston and power being entirely delivered to pressing plate 12 can be realized, thus ensure that the pressure feed of pressing plate 12 to flexible packaging product to be measured is controlled.Adopt the technical scheme that the present embodiment provides, pressing plate 12 pairs of products to be tested are adopted to exert pressure, ensure that the uniform force of product to be tested, prevent from breaking or affect leak detection effect due to unbalance stress, and cylinder 9 one end is fixed, making piston promote pressing plate 12 is oppositely arranged more reasonable, and piston can be relatively laborsaving therefore be preferred version.
For optimizing technique scheme further, preferred on the basis of above-described embodiment, in above-mentioned leak test plant, be connected by the joint pin 4 be arranged at therebetween between piston with pressing plate 12, joint pin 4 be provided with the Telescopic Fixed structure of adjustable column body length.
Wherein, joint pin 4 one end is connected with piston, the other end is connected with pressing plate 12, and above two places connect all to can be to be fixedly connected with and also can be pin joint, adopts connected mode jointly to be determined by the size of pressing plate 12 structure, detection platform 13 structure and flexible packaging product to be measured and fullness degree; Telescopic Fixed structure is specially the structure of adjustable joint pin 4 length, can be two sections of sheathed hollow cylinders, and has fixed function to fix its length after regulating length and make it no longer change, and can be the structure such as fastening bolt, buckle.
This technical scheme is adopted to make the distance between piston and pressing plate 12 regulate, detect in operation in reality, concrete adjustment can be made according to actual conditions, checkout equipment is made more to adapt to size and the fullness degree of flexible packaging product to be measured, and also can require to carry out adaptive adjustment according to concrete accuracy of detection, before the formal detection action of equipment, first can carry out pre-detection to flexible packaging product to be measured, registration scope according to tensimeter 1 adjusts Telescopic Fixed structure, change joint pin 4 length, to make the registration of tensimeter 1 be in the optimum range of easily monitoring, conveniently to hunt leak operation.
For optimizing technique scheme further, preferred on the basis of above-described embodiment, in above-mentioned leak test plant, be fixedly installed the slide block 11 and chute that cooperatively interact on pressing plate 12 He in frame, slide block 11 can keep oriented sliding in chute.
Wherein it should be noted that, because pressing plate 12 and piston are fixed as one, frame and cylinder 9 are fixed as one, so occur between pressing plate 12 and frame and cylinder 9 stroke directions moving back and forth, so slide block 11 is also identical with the direction of cylinder 9 stroke with the direction of the relative motion of chute in the same way; Slide block is arranged at pressing plate 12, and chute is arranged at frame; Or slide block is arranged at frame, chute is arranged at pressing plate 12 and also can.Can be kept the characteristic of rectilinear motion by slide block in chute, carry out spacing to the relative motion of pressing plate 12 and frame, make the action that presses down and reclaim of pressing plate 12 keep rectilinear motion, the equipment operation acts of order is stablized, and reduces the possibility broken down.
For optimizing technique scheme further, preferred on the basis of above-described embodiment, in above-mentioned leak test plant, frame comprises the cylinder mounting plate 3 suspending and be fixed on above detection platform 13, cylinder 9 is fixedly installed on cylinder 9 installing plate 3, and the stroke directions of cylinder 9 is perpendicular to detection platform 13.
The technical scheme that the present embodiment provides, comprise cylinder mounting plate 3, it is suspended in above detection platform 13, and arranging of cylinder mounting plate 3 makes the installation of cylinder 9 more easy, and simultaneously also for the installation of the miscellaneous part in equipment provides installation site, this is rational in infrastructure and firm.
For optimizing technique scheme further, preferred on the basis of above-described embodiment, in above-mentioned leak test plant, fixing by being symmetrical arranged two pieces of risers 7 between cylinder mounting plate 3 and detection platform 13, between two pieces of risers 7, being fixedly installed gusset plate 6.Wherein it should be noted that, the design of riser 7 and gusset plate 6 can make the structure of cylinder mounting plate 3 more firm, riser 7 makes cylinder mounting plate 3 detection platform 13 relative to cylinder 9 isolate rational operating distance, and the two ends of gusset plate 6 are fixed with two pieces of risers 7 respectively, riser 7 is fixed with this, guarantee the depth of parallelism both it, make the one-piece construction of frame more stable.
For optimizing technique scheme further, preferred on the basis of above-described embodiment, in above-mentioned leak test plant, gusset plate 6 is symmetrically arranged with left angle sheave 5-1 and right angle sheave 5-2, pressing plate 12 is fixedly installed slide block 11, the length direction of slide block 11 is parallel to the stroke directions of cylinder 9.
The technical scheme that the present embodiment provides is the concrete possibility of a kind of slide block 11 and chute, distance before left angle sheave 5-1 and right angle sheave 5-2 forms chute, two angle sheaves clamp the strip slide block 11 be arranged on pressing plate 12, ensure the depth of parallelism of pressing plate 12 direction of motion with this.
For optimizing technique scheme further, preferred on the basis of above-described embodiment, in above-mentioned leak test plant, cylinder 9 is communicated with and filters pressure regulator valve 2, and tensimeter 1 is installed on and filters on pressure regulator valve 2.
The pressure filtering pressure regulator valve 2 control cylinder 9 is set, to ensure that pressure that cylinder 9 exports is within the tolerance range of flexible packaging product to be measured, prevent from crossing senior general's packaging to be measured due to cylinder 9 pressure directly to damage by pressure, or cylinder 9 pressure is too little to such an extent as to effectively cannot detect the leakage in packaging.
For optimizing technique scheme further, preferred on the basis of above-described embodiment, in above-mentioned leak test plant, the afterbody of cylinder 9 is installed with angle block of right angle 8, filters variable valve and is fixedly installed on angle block of right angle 8.Wherein angle block of right angle 8 mainly comprises the orthogonal installing plate of two parts, and the two structure is integrative-structure, wherein the afterbody of a part of installing plate and cylinder 9 fixedly mounts, another part installing plate is fixed with filtration variable valve, with this structure, filtration variable valve and cylinder 9 are fixed as one, adopt such design to read tensimeter 1 registration more for convenience, and due to comparatively firm in its structure, regulate the operation of filtering variable valve pressure also relatively easy.
For optimizing technique scheme further, preferred on the basis of above-described embodiment, in above-mentioned leak test plant, frame is fixedly installed hand-operated direction valve 10, hand-operated direction valve 10 is communicated with cylinder 9.
Wherein it should be noted that, hand-operated direction valve 10 is for the direction of motion of control piston and pressing plate 12, for controlling the work operation of pressing survey process, when detecting, hand-operated direction valve 10 is placed in the direction that piston moves downward, when cylinder 9 pressure arrives setting value, keep the pressure regular hour, whether the situation of change of recording manometer 1 registration and flexible packaging product to be measured have significantly is reduced, detection is completed with this, pull hand-operated direction valve 10 afterwards, make piston reverses direction move, pressing plate 12 is regained, unclamps determinand; Hand-operated direction valve 10 also may be used for the fine setting of manual control equipment, makes each performance index of leak test plant more meet the special-shaped of flexible packaging product to be measured and the accuracy requirement of detection.
In this instructions, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually see.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. the leak test plant for the leak detection of flexible packaging product, comprise frame and pressurized equipment, it is characterized in that, described pressurized equipment is sustainablely execute stressed cylinder-piston assembly to flexible packaging product, the stiff end of described cylinder-piston assembly is fixedly connected with described frame, described frame is also fixedly installed the detection platform (13) of placing flexible packaging product to be detected, described cylinder-piston assembly is connected with the tensimeter (1) for detecting cylinder (9) pressure.
2. leak test plant according to claim 1, it is characterized in that, the cylinder (9) of described cylinder-piston assembly is fixedly connected with described frame, and the piston coordinated with described cylinder (9) is connected with the pressing plate (12) extruding described flexible packaging product.
3. leak test plant according to claim 2, it is characterized in that, be connected by the joint pin (4) be arranged at therebetween between described piston with described pressing plate (12), described joint pin (4) be provided with the Telescopic Fixed structure of adjustable column body length.
4. the leak test plant according to Claims 2 or 3, it is characterized in that, described pressing plate (12) above and in described frame is fixedly installed the slide block (11) and chute that cooperatively interact, and described slide block (11) can keep oriented sliding in described chute.
5. leak test plant according to claim 4, it is characterized in that, described frame comprises the cylinder mounting plate (3) that described detection platform (13) top is fixed in suspension, described cylinder (9) is fixedly installed on described cylinder mounting plate (3), and the stroke directions of described cylinder (9) is perpendicular to described detection platform (13).
6. leak test plant according to claim 5, it is characterized in that, by being symmetrical arranged two pieces of risers (7) fixing between described cylinder mounting plate (3) and described detection platform (13), between two pieces of described risers (7), be fixedly installed gusset plate (6).
7. leak test plant according to claim 6, it is characterized in that, described gusset plate (6) is symmetrically arranged with left angle sheave (5-1) and right angle sheave (5-2), described pressing plate (12) is fixedly installed described slide block (11), the length direction of described slide block (11) is parallel to the stroke directions of cylinder (9).
8. leak test plant according to claim 7, is characterized in that, described cylinder (9) is communicated with and filters pressure regulator valve (2), and described tensimeter (1) is installed on described filtration pressure regulator valve (2).
9. leak test plant according to claim 8, is characterized in that, the afterbody of described cylinder (9) is installed with angle block of right angle (8), and described filtration variable valve is fixedly installed on described angle block of right angle (8).
10. leak test plant according to claim 9, is characterized in that, described frame is fixedly installed hand-operated direction valve (10), and described hand-operated direction valve (10) is communicated with described cylinder (9).
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| CN201510607338.8A CN105203278A (en) | 2015-09-22 | 2015-09-22 | Leak detection equipment |
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| CN201510607338.8A CN105203278A (en) | 2015-09-22 | 2015-09-22 | Leak detection equipment |
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| CN201510607338.8A Pending CN105203278A (en) | 2015-09-22 | 2015-09-22 | Leak detection equipment |
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Cited By (10)
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| CN106124140A (en) * | 2016-08-26 | 2016-11-16 | 昆山浩硕精密机械有限公司 | A kind of equipment for air bag test |
| CN106404077A (en) * | 2016-11-25 | 2017-02-15 | 福建南少林药业有限公司 | Integrated apparatus for detecting leakage and foreign body of liquid package |
| CN106404317A (en) * | 2016-08-26 | 2017-02-15 | 昆山浩硕精密机械有限公司 | Device used for testing air bag |
| CN106441729A (en) * | 2016-08-26 | 2017-02-22 | 昆山浩硕精密机械有限公司 | Airbag testing apparatus |
| CN108519197A (en) * | 2018-03-09 | 2018-09-11 | 南安市创培电子科技有限公司 | A kind of food pack device for detecting sealability |
| CN109269726A (en) * | 2018-09-12 | 2019-01-25 | 天津恒亚通机械有限公司 | A kind of leakage detection apparatus |
| CN109387337A (en) * | 2018-08-23 | 2019-02-26 | 南京六和普什机械有限公司 | A kind of new automobile fuel tank leak testing process and device |
| CN111169735A (en) * | 2020-01-03 | 2020-05-19 | 王帅峰 | Food processing wrapping bag gas leakage detection equipment that can sieve automatically |
| CN113232946A (en) * | 2021-05-31 | 2021-08-10 | 湖南省玉峰食品实业有限公司 | A bagging apparatus for quick quality control of peppery strip |
| CN113390588A (en) * | 2021-07-06 | 2021-09-14 | 上海应用技术大学 | Air tightness detection device and method for sealing bag |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106124140A (en) * | 2016-08-26 | 2016-11-16 | 昆山浩硕精密机械有限公司 | A kind of equipment for air bag test |
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| CN106404077A (en) * | 2016-11-25 | 2017-02-15 | 福建南少林药业有限公司 | Integrated apparatus for detecting leakage and foreign body of liquid package |
| CN108519197A (en) * | 2018-03-09 | 2018-09-11 | 南安市创培电子科技有限公司 | A kind of food pack device for detecting sealability |
| CN109387337A (en) * | 2018-08-23 | 2019-02-26 | 南京六和普什机械有限公司 | A kind of new automobile fuel tank leak testing process and device |
| CN109269726A (en) * | 2018-09-12 | 2019-01-25 | 天津恒亚通机械有限公司 | A kind of leakage detection apparatus |
| CN111169735A (en) * | 2020-01-03 | 2020-05-19 | 王帅峰 | Food processing wrapping bag gas leakage detection equipment that can sieve automatically |
| CN111169735B (en) * | 2020-01-03 | 2022-01-04 | 上海小慕食品有限公司 | Food processing wrapping bag gas leakage detection equipment that can sieve automatically |
| CN113232946A (en) * | 2021-05-31 | 2021-08-10 | 湖南省玉峰食品实业有限公司 | A bagging apparatus for quick quality control of peppery strip |
| CN113390588A (en) * | 2021-07-06 | 2021-09-14 | 上海应用技术大学 | Air tightness detection device and method for sealing bag |
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Application publication date: 20151230 |
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| RJ01 | Rejection of invention patent application after publication |