CN209727370U - A kind of device for packing container air seal test - Google Patents

Abstract

The utility model discloses a kind of devices for packing container air seal test, including the first water supply line, second water supply line, first water pump, water tank, first steam line, first exhaust pipeline, controller and display, water tank includes sink and upper cover, the import of first water pump is connected with the first water supply line, the outlet of first water pump is connected with sink by the second water supply line, first water supply line is equipped with the first control valve, second water supply line is equipped with the second control valve, the right side of upper cover and the right side of sink are hinged, pressure maintaining valve is successively arranged on first steam line, first intake valve and first pressure sensor, one end of first exhaust pipeline is connected on the first steam line on rear side of the first intake valve, first exhaust pipeline is equipped with first row air valve.Air seal test is carried out to packing container using the system, judges whether packing container leaks convenient for accurate observation, and accurately confirm the leakage point of packing container.

Description

A kind of device for packing container air seal test

Technical field

The utility model belongs to packing container tightness test technical field, airtight for packing container more particularly to one kind The device of test.

Background technique

Equipment of the packing container as chemical industry, chemical products is contained, airtight performance and drastically influencing of mechanical performance The safety of work, chemical products transport storage, it is therefore desirable to which air seal test is carried out with the close of evaluate packaging container to packing container Close performance and mechanical performance.It is to smear suds in the outside of packing container, then in traditional packing container air seal test Compressed air is added into packing container, when reaching test pressure, if there is bubble generation on the outside of packing container, illustrates There is damaged leakage in packing container, if the outside of packing container does not have bubble generation, illustrates that packing container is not damaged.Benefit With the method for smearing soap water test, the leakage occurred for the bottom of packing container not can be carried out effective judgement, and measure Whether uniformly influence, if leakage point does not smear suds, can not promptly and accurately judge if as a result also being smeared by suds Situation is leaked out.

Utility model content

For the deficiencies in the prior art, the purpose of the utility model is to provide one kind to be used for the airtight examination of packing container The device tested is unable to judge accurately whether packing container the feelings leaked occurs when existing packing container air seal test for solving Shape.

The purpose of this utility model is achieved through the following technical solutions:

A kind of device for packing container air seal test, including the first water supply line, the second water supply line, the first water Pump, water tank, the first steam line, first exhaust pipeline, controller and display, the water tank include sink and upper cover, described The import of first water pump is connected with the first water supply line, and outlet and the sink of first water pump pass through the second water supply line phase Connection, first water supply line are equipped with the first control valve, and second water supply line is equipped with the second control valve, the water The first liquid level sensor is equipped in slot, first liquid level sensor is used to acquire the liquid level signal in sink, and will be in sink Liquid level signal pass to controller, controller controls the start and stop of the first water pump, the upper cover according to the liquid level signal received In grid-like, it is successively arranged pressure maintaining valve, the first intake valve and first pressure sensor on first steam line, described first Pressure sensor is used to acquire the pressure signal in the first steam line, and by the pressure signal transmission to controller, controller According to the aperture of the pressure signal control pressure maintaining valve received, and controls display and show the pressure of the first steam line Come, one end of the first exhaust pipeline is connected on the first steam line on rear side of the first intake valve, the downtake pipe Road is equipped with first row air valve, and the right side of the upper cover and the right side of sink are hinged by the first articulated slab and the second articulated slab, One end of first articulated slab is connect with upper cover, and the other end of first articulated slab and the upper end of the second articulated slab pass through hinge Spindle is hinged, is fixedly connected on the right side of the lower end of second articulated slab and sink, the left side of the water tank, water tank front side And/or the rear side of water tank be equipped with locking mechanism, the locking mechanism include the first otic placode, two the second otic placodes, locating shaft and First cylinder, first otic placode are fixedly connected with upper cover, first otic placode be equipped with first positioning hole, described two second Otic placode is connect with the side of sink, and described two second otic placodes are oppositely arranged, and is equipped with one on described two second otic placodes Second location hole, described two second positioning through hole form one groups to perforation, and the cylinder is located on the side of sink, and described the The center line of a positioning hole and the center line of second location hole coincide with the center line of locating shaft, one end of the locating shaft It is arranged in first positioning hole and second location hole, the other end of the locating shaft is fixedly connected with the cylinder rod of the first cylinder.

The rear side in the left side of water tank, the front side of water tank and/or water tank is equipped with locking mechanism, which utilizes locating shaft First otic placode and the second positioning plate are worn into method together, can be prevented during the test due to packing container The thrust situation that causes upper cover to be opened, while driving force required for the driving of the first cylinder is smaller, reduce the system into The energy spent by row air seal test.

In the technical scheme, can according to conventional cylinder driving method by reversal valve and air pump to the first cylinder into Row driving.

Preferably, the left side of the sink be equipped with driving mechanism, the driving mechanism include the first cylinder body, the second cylinder body, First gas pipeline and second gas pipeline, the lower end of first cylinder body and being hinged at for sink, in first cylinder body Equipped with first piston and First piston bar, the lower end of the First piston bar is connect with first piston, the First piston bar Upper end extend out to the first cylinder body top and the first articulated slab it is hinged, one end of the first gas pipeline is connected with the first cylinder body Logical, the connectivity points between the first gas pipeline and the first cylinder body are on the top of first piston, the first gas pipeline Equipped with first gas control valve, second piston, one end of the second gas pipeline and the second cylinder are equipped in second cylinder body Body is connected, and the second gas pipeline is equipped with second gas control valve, between the second gas pipeline and the second cylinder body Connectivity points in the top of second piston, the bottom of first cylinder body is connected with the bottom of the second cylinder body.

When in use, packing container is placed in sink, covers upper cover, open the first control valve, start the first water pump, Open the second control valve, the first water pump is supplied water by the second water supply line into sink, when packing container float up to top with it is upper When lid contact, stops supplying water, by the inlet communication of the output end of the first steam line and packing container, then open the first water pump Continue to supply water into sink, when the water in the first liquid level sensor induction screw clamp attains to a high place, controller controls the first water pump Stop supplying water into the first sink, and close the first control valve and the second control valve, at this time due to the blocking of upper cover, packaging is held Device is submerged in the water of sink.

The first intake valve and pressure maintaining valve are opened, compressed air is supplied into packing container, first pressure sensor is for feeling The pressure in the first steam line is answered, the pressure in packing container is equal with the pressure of the first steam line, when in packing container Pressure when reaching test pressure, close the first intake valve and pressure maintaining valve, whether have bubble generation, if there is gas if observing in water tank Bubble generates, then illustrates that leakage occurs in packing container, if generated without bubble, illustrate that packing container does not leak.

After air seal test, first row air valve is opened, is arranged the gas in packing container by first exhaust pipeline Out.

First cylinder body of driving mechanism and the bottom of the second cylinder body are filled with liquid, when needing to open upper cover, beat First gas control valve and second gas control valve are opened, is supplied by second gas pipeline into the second cylinder body, in the second cylinder body Second piston move down, the intracorporal liquid of the second cylinder is flowed into the first cylinder body, thus driving the first cylinder intracorporal first Piston moves up, and the gas in the first cylinder body above first piston is discharged by first gas pipeline, and First piston bar is upward It stretches out, so that upper cover be driven to move upwards, upper cover is opened.After upper cover is opened in place, first gas control valve and the are closed Two gas control valves.When needing to close upper cover, first gas control valve and second gas control valve are opened, the first gas is passed through Body pipeline is supplied into the first cylinder body, and the intracorporal first piston of the first cylinder moves down, and the intracorporal liquid of the first cylinder is to the second cylinder Flowing in vivo, so that the driving intracorporal second piston of the second cylinder moves up, the gas in the second cylinder body above second piston is logical The discharge of second gas pipeline is crossed, First piston bar bounces back downwards, so that upper cover be driven to move downward, upper cover is closed.

By the first cylinder body and the second cylinder body match in the way of, drive the opening and closing of upper cover because liquid can Compression performance is lower, therefore upper cover runs smoothly during turning on or off, using gas as driving power, it is only necessary to To install driving air pump at the scene can provide compressed air as power source, avoid and need to pacify using simple hydraulic-driven The method for filling hydraulic system, has saved cost of manufacture.

Preferably, the bottom of the sink is equipped with bottom drain valve.

Bottom drain valve is arranged in the bottom of sink, for the water in sink to be discharged.

Preferably, the bottom surrounding of the sink is equipped with annular lamp band.

Annular lamp band is arranged in the bottom of sink, is conducive to improve the brightness in sink, convenient for whether having gas in observation sink Bubble generates.

Preferably, the side of the sink is equipped with transparent window.

Transparent window is arranged in the side of sink, convenient for the liquid level in observation sink, is conducive to the progress of air seal test.

Preferably, the left side of the sink is equipped with observation platform and steel ladder, vertical at the top of the observation platform screw clamp Distance is 800 millimeters to 1200 millimeters, and the top of the steel ladder is connect with observation platform.

The side setting steel ladder and observation platform of sink, the top of sink is reached convenient for operator, is conducive to packaging and is held Situation in connection between device and the first steam line, and observation sink, convenient for the progress of air seal test.

Preferably, which further includes air feed equipment, and the air feed equipment includes air compressor, freeze drier and pressure Contracting air tank, the air compressor are supplied by the second steam line to compressed air cylinder, and the freeze drier is connected on On second steam line, the input terminal of first steam line is connected with compressed air cylinder, first steam line Input terminal is equipped with the second intake valve, and the top of the compressed air cylinder is equipped with second pressure sensor, the second pressure sensing Device is used to acquire the reservoir pressure signal of compressed air cylinder, and the reservoir pressure signal is passed to controller, the controller According to the start and stop of the reservoir pressure signal control air compressor received, the bottom of the compressed air cylinder is equipped with drain valve.

Air feed equipment is used to improve high pressure, clean compressed air for air seal test, avoids the operation using high pressure gas cylinder Method reduces the operating cost of air seal test.

Preferably, one end of the second steam line input freeze drier and the output freeze-drying of the second steam line One end of machine is equipped with the first shut-off valve, and the air feed equipment further includes bypass duct, the bypass duct and freeze drier It is arranged in parallel, the bypass duct is equipped with bypass valve.

Bypass duct and bypass valve are set, convenient for the upkeep operation of air feed equipment especially freeze drier.

Preferably, the bottom of the sink is equipped with flase floor.

The bottom setting flase floor of sink avoids packing container bottom straight for placing packing container in air seal test Connect the bottom for being placed on sink.

Preferably, the edge of the sink upper bottom portion be equipped with water inlet, second water supply line by water inlet with Sink is connected.

Water inlet setting is in edge, and when being supplied water by the second water supply line into sink, water flow rotates in sink Flowing, can effectively go out the bubble that packing container bottom may accumulate, and avoid because of the gas that packing container bottom is accumulated Steep the influence to test result.

Preferably, the first exhaust pipeline is equipped with muffler.

The muffler is used to eliminate the noise generated when exhaust.

The beneficial effects of the utility model are: using packing container to be placed on to the method tested in sink to packaging Container carries out air seal test, judges whether packing container leaks convenient for accurate observation, and accurately confirm packing container Leakage point, when avoiding traditional air seal test due to suds brush it is uneven caused by test inaccuracy problem, and Packing container bottom is unable to judge accurately the problem of leaking.By the first cylinder body and the second cylinder body match in the way of, drive The opening and closing of dynamic upper cover, because the compressibility of liquid can be lower, upper cover is transported during turning on or off Row is steady, using gas as driving power, it is only necessary to which installation driving air pump can provide compressed air as dynamic at the scene Power source avoids the method for needing to install hydraulic system using simple hydraulic-driven, has saved cost of manufacture.

Detailed description of the invention

Fig. 1 is the device overall structure diagram that the utility model is used for packing container air seal test.

Fig. 2 is upper cover closed state main view of the utility model for the device water tank of packing container air seal test.

Fig. 3 is a-quadrant enlarged drawing in the utility model Fig. 2.

Fig. 4 is upper cover opening state main view of the utility model for the device water tank of packing container air seal test.

Fig. 5 is upper cover closed state top view of the utility model for the device water tank of packing container air seal test.

Fig. 6 is upper cover closed state right view of the utility model for the device water tank of packing container air seal test.

Fig. 7 is the device driving mechanism structural schematic diagram that the utility model is used for packing container air seal test.

Fig. 8 is the device use state diagram that the utility model is used for packing container air seal test.

Fig. 9 is upper cover opening state cross-sectional view of the utility model for the device water tank of packing container air seal test.

Fig. 1 is into Fig. 9: 1 is the first water supply line, and 2 be the second water supply line, and 3 be the first water pump, and 4 be the first air supply pipe Road, 5 be first exhaust pipeline, and 6 be sink, and 7 be upper cover, and 8 be the first control valve, and 9 be the second control valve, and 10 be pressure maintaining valve, 11 It is first row air valve for the first intake valve, 12,13 be the first articulated slab, and 14 be the second articulated slab, and 15 be the first cylinder body, and 16 are Second cylinder body, 17 be first gas pipeline, and 18 be second gas pipeline, and 19 be first piston, and 20 be First piston bar, and 21 are First gas control valve, 22 be second piston, and 23 be second gas control valve, and 24 be bottom drain valve, and 25 be transparent window, 26 It is steel ladder for observation platform, 27,28 be air compressor, and 29 be freeze drier, and 30 be compressed air cylinder, and 31 be the second gas supply Pipeline, 32 be the second intake valve, and 33 be second pressure sensor, and 34 be drain valve, and 35 be flase floor, and 36 be the first otic placode, 37 It is locating shaft for the second otic placode, 38,39 be the first cylinder, and 40 be muffler, and 41 be packing container.

Specific embodiment

Carry out to be used for the utility model the device of packing container air seal test with specific case study on implementation with reference to the accompanying drawing It further describes in detail, in the hope of being more fully apparent from expresses the structure feature and concrete application of the utility model, but not The protection scope of the utility model can be limited with this.

Embodiment: as shown in Figures 1 to 9, a kind of device for packing container air seal test, including the first water supply line 1, the second water supply line 2, the first water pump 3, water tank, the first steam line 4, first exhaust pipeline 5, controller and display, institute Stating water tank includes sink 6 and upper cover 7, and the import of first water pump 3 is connected with the first water supply line 1, first water pump 3 outlet is connected with sink 6 by the second water supply line 2, and first water supply line 1 is equipped with the first control valve 8, described Second water supply line 2 is equipped with the second control valve 9, and the first liquid level sensor is equipped in the sink 6, and first liquid level passes Sensor is used to acquire liquid level signal in sink 6, and the liquid level signal in sink 6 is passed to controller, and controller is according to connecing The liquid level signal that receives controls the start and stop of the first water pump 3, and the upper cover 7 is successively set on first steam line 4 in grid-like There are pressure maintaining valve 10, the first intake valve 11 and first pressure sensor, the first pressure sensor is for acquiring the first air supply pipe Pressure signal in road 4, and by the pressure signal transmission to controller, controller controls pressure stabilizing according to the pressure signal received The aperture of valve 10, and control display and show the pressure of the first steam line 4, the one of the first exhaust pipeline 5 End is connected on the first steam line 4 of 11 rear side of the first intake valve, and the first exhaust pipeline 5 is equipped with first row air valve 12, the right side of the upper cover 7 and the right side of sink 6 are hinged by the first articulated slab 13 and the second articulated slab 14, first hinge One end of fishplate bar 13 is connect with upper cover 7, and the upper end of the other end of first articulated slab 13 and the second articulated slab 14 passes through hinged Axis is hinged, and the lower end of second articulated slab 14 is fixedly connected with the right side of sink 6, the front side of the water tank and the rear side of water tank Equipped with locking mechanism, the locking mechanism includes 36, two the second otic placodes 37 of the first otic placode, locating shaft 38 and the first cylinder 39, first otic placode 36 is fixedly connected with upper cover 7, first otic placode 36 be equipped with first positioning hole, described two second Otic placode 37 is connect with the side of sink 6, and described two second otic placodes 37 are oppositely arranged, on described two second otic placodes 37 Equipped with a second location hole, described two second positioning through hole form one group to perforation, and the cylinder is located at the side of sink 6 On, the center line of the center line of the first positioning hole and the center line of second location hole with locating shaft 38 coincides, described One end of locating shaft 38 is arranged in first positioning hole and second location hole, the other end of the locating shaft 38 and the first cylinder 39 Cylinder rod be fixedly connected.

The rear side in the left side of water tank, the front side of water tank and/or water tank is equipped with locking mechanism, can prevent and test Since the thrust of packing container 41 leads to the situation of the opening of upper cover 7 in journey.

Preferably, the left side of the sink 6 is equipped with driving mechanism, the driving mechanism includes the first cylinder body 15, second Cylinder body 16, first gas pipeline 17 and second gas pipeline 18, the lower end of first cylinder body 15 and being hinged at for sink 6, First piston 19 and First piston bar 20, the lower end of the First piston bar 20 and first piston are equipped in first cylinder body 15 19 connections, the upper end of the First piston bar 20 extend out to the top of the first cylinder body 15 and the first articulated slab 13 is hinged, and described the One end of one gas pipeline 17 is connected with the first cylinder body 15, the company between the first gas pipeline 17 and the first cylinder body 15 For logical point in the top of first piston 19, the first gas pipeline 17 is equipped with first gas control valve 21, second cylinder body Second piston 22 is equipped in 16, one end of the second gas pipeline 18 is connected with the second cylinder body 16, the second gas pipe Road 18 is equipped with second gas control valve 23, and the connectivity points between the second gas pipeline 18 and the second cylinder body 16 are living second The top of plug 22, the bottom of first cylinder body 15 is connected with the bottom of the second cylinder body 16.

When in use, packing container 41 is placed in sink 6, covers upper cover 7, open the first control valve 8, starting first Water pump 3 opens the second control valve 9, and the first water pump 3 is supplied water by the second water supply line 2 into sink 6, when on packing container 41 When being contacted floating to top and upper cover 7, stops supplying water, the import of the output end of the first steam line 4 and packing container 41 is connected It is logical, it then opens the first water pump 3 and continues to supply water into sink 6, the water in the first liquid level sensor induction screw clamp 6 attains to a high place When, controller, which controls the first water pump 3, to be stopped supplying water into the first sink 6, and closes the first control valve 8 and the second control valve 9, At this time due to the blocking of upper cover 7, packing container 41 is submerged in the water of sink 6.

The first intake valve 11 and pressure maintaining valve 10 are opened, compressed air, first pressure sensor are supplied into packing container 41 For incuding the pressure in the first steam line 4, the pressure in packing container 41 is equal with the pressure of the first steam line 4, when When pressure in packing container 41 reaches test pressure, the first intake valve 11 and pressure maintaining valve 10 are closed, whether observe has in water tank Bubble generates, and if there is bubble generates, then illustrates that leakage occurs in packing container 41, if generated without bubble, illustrates to wrap Packaging container 41 does not leak.

After air seal test, first row air valve 12 is opened, it will be in packing container 41 by first exhaust pipeline 5 Gas discharge.

First cylinder body 15 of driving mechanism and the bottom of the second cylinder body 16 are filled with liquid, when needing to open upper cover 7 When, first gas control valve 21 and second gas control valve 23 are opened, is supplied by second gas pipeline 18 into the second cylinder body 16 Gas, the second piston 22 in the second cylinder body 16 move down, and the liquid in the second cylinder body 16 is flowed into the first cylinder body 15, thus The first piston 19 in the first cylinder body 15 is driven to move up, the gas of 19 top of first piston passes through first in the first cylinder body 15 Gas pipeline 17 is discharged, and First piston bar 20 is stretched out upwards, so that upper cover 7 be driven to move upwards, upper cover 7 is opened.When upper cover 7 After opening in place, first gas control valve 21 and second gas control valve 23 are closed.When needing to close upper cover 7, the is opened One gas control valve 21 and second gas control valve 23 are supplied by first gas pipeline 17 into the first cylinder body 15, the first cylinder First piston 19 in body 15 moves down, and the liquid in the first cylinder body 15 is flowed into the second cylinder body 16, thus driving second Second piston 22 in cylinder body 16 moves up, and the gas of 22 top of second piston passes through second gas pipeline in the second cylinder body 16 18 discharges, First piston bar 20 bounce back downwards, so that upper cover 7 be driven to move downward, upper cover 7 are closed.

By the first cylinder body 15 and the second cylinder body 16 match in the way of, drive upper cover 7 opening and closing, because of liquid Compressibility can be lower, therefore upper cover 7 runs smoothly during turning on or off, and is moved using gas as driving Power, it is only necessary to which installation driving air pump can provide compressed air as power source at the scene, avoid using simple hydraulic drive The dynamic method for needing to install hydraulic system, has saved cost of manufacture.

As a further preference, the bottom of the sink 6 is equipped with bottom drain valve 24.

Bottom drain valve 24 is arranged in the bottom of sink 6, for the water in sink 6 to be discharged.

As further preferably, the bottom surrounding of the sink 6 is equipped with annular lamp band.

Whether annular lamp band is arranged in the bottom of sink 6, is conducive to improve the brightness in sink 6, convenient for having in observation sink 6 Bubble generates.

As further preferably, the side of the sink 6 is equipped with transparent window 25.

Transparent window 25 is arranged in the side of sink 6, convenient for the liquid level in observation sink 6, is conducive to the progress of air seal test.

As further preferably, the left side of the sink 6 is equipped with observation platform 26 and steel ladder 27, the observation platform The vertical distance at 26 screw clamp, 6 top is 800 millimeters to 1200 millimeters, and the top of the steel ladder 27 is connect with observation platform 26.

The side setting steel ladder 27 and observation platform 26 of sink 6, the top of sink 6 is reached convenient for operator, is conducive to Situation in connection between packing container 41 and the first steam line 4, and observation sink 6, convenient for the progress of air seal test.

Preferably the system further includes air feed equipment as further, the air feed equipment include air compressor 28, Freeze drier 29 and compressed air cylinder 30, the air compressor 28 pass through the second steam line 31 to compressed air cylinder 30 Gas supply, the freeze drier 29 are connected on the second steam line 31, the input terminal of first steam line 4 and compression Air tank 30 is connected, and the input terminal of first steam line 4 is equipped with the second intake valve 32, the top of the compressed air cylinder 30 Portion is equipped with second pressure sensor 33, and the second pressure sensor 33 is used to acquire the pressure of storage tank letter of compressed air cylinder 30 Number, and the reservoir pressure signal is passed into controller, the controller controls air according to the reservoir pressure signal received The bottom of the start and stop of compressor 28, the compressed air cylinder 30 is equipped with drain valve 34.

Air feed equipment is used to improve high pressure, clean compressed air for air seal test, avoids the operation using high pressure gas cylinder Method reduces the operating cost of air seal test.

As further preferred, one end of the input of the second steam line 31 freeze drier 29 and the second confession One end that feed channel 31 exports freeze drier 29 is equipped with the first shut-off valve, and the air feed equipment further includes bypass duct, institute It states bypass duct to be arranged in parallel with freeze drier 29, the bypass duct is equipped with bypass valve.

Bypass duct and bypass valve are set, convenient for the upkeep operation of air feed equipment especially freeze drier 29.

Preferably, the bottom of the sink 6 is equipped with flase floor 35.

Flase floor 35 is arranged in the bottom of sink 6, for placing packing container 41 in air seal test, avoids packing container 41 bottoms are directly placed at the bottom of sink 6.

As further preferably, the edge of 6 upper bottom portion of sink is equipped with water inlet, second water supply line 2 are connected by water inlet with sink 6.

Water inlet setting is in edge, and when being supplied water by the second water supply line 2 into sink 6, water flow is in 6 inward turning of sink Turn of tidal stream is dynamic, can effectively go out the bubble that 41 bottom of packing container may accumulate, and avoids because of 41 bottom of packing container product Influence of the bubble deposited to test result.

As further preferably, the first exhaust pipeline 5 is equipped with muffler 40.

The muffler 40 is used to eliminate the noise generated when exhaust.

Air seal test is carried out to packing container 41 using packing container 41 to be placed on to the method tested in sink 6, Judge whether packing container 41 leaks convenient for accurate observation, and accurately confirm the leakage point of packing container 41, avoids When traditional air seal test due to suds brush it is uneven caused by test inaccuracy problem and packing container 41 bottom It is unable to judge accurately the problem of leaking.By the first cylinder body 15 and the second cylinder body 16 match in the way of, driving upper cover 7 It opens and closes, because the compressibility of liquid can be lower, upper cover 7 runs smoothly during turning on or off, Using gas as driving power, it is only necessary to which installation driving air pump can provide compressed air as power source at the scene, keep away The method for having exempted to need to install hydraulic system using simple hydraulic-driven, has saved cost of manufacture.

Claims (7)

1. a kind of device for packing container air seal test, which is characterized in that the system includes the first water supply line (1), the Two water supply lines (2), the first water pump (3), water tank, the first steam line (4), first exhaust pipeline (5), controller and display Device, the water tank include sink (6) and upper cover (7), and the import of first water pump (3) is connected with the first water supply line (1), The outlet of first water pump (3) is connected with sink (6) by the second water supply line (2), on first water supply line (1) Equipped with the first control valve (8), second water supply line (2) is equipped with the second control valve (9), and the is equipped in the sink (6) One liquid level sensor, first liquid level sensor are used to acquire liquid level signal in sink (6), and by the liquid in sink (6) Position signal passes to controller, start and stop of the controller according to the liquid level signal control the first water pump (3) received, the upper cover (7) in grid-like, pressure maintaining valve (10), the first intake valve (11) and first pressure are successively arranged on first steam line (4) Sensor, the first pressure sensor is used to acquire the pressure signal in the first steam line (4), and the pressure signal is passed Pass controller, controller controls display for the according to the aperture of pressure signal control pressure maintaining valve (10) received The pressure of one steam line (4) shows that one end of the first exhaust pipeline (5) is connected on rear side of the first intake valve (11) The first steam line (4) on, the first exhaust pipeline (5) be equipped with first row air valve (12), the right side of the upper cover (7) Pass through the first articulated slab (13) and the second articulated slab (14) hingedly with the right side of sink (6), the one of first articulated slab (13) End is connect with upper cover (7), and the other end of first articulated slab (13) and the upper end of the second articulated slab (14) are cut with scissors by articulated shaft Connect, be fixedly connected on the right side of the lower end and sink (6) of second articulated slab (14), the left side of the water tank, water tank front side And/or the rear side of water tank be equipped with locking mechanism, the locking mechanism include the first otic placode (36), two the second otic placodes (37), Locating shaft (38) and the first cylinder (39), first otic placode (36) are fixedly connected with upper cover (7), on first otic placode (36) Equipped with first positioning hole, described two second otic placodes (37) are connect with the side of sink (6), described two second otic placodes (37) It is oppositely arranged, a second location hole is equipped on described two second otic placodes (37), described two second positioning through hole are formed One group is located on the side of sink (6) perforation, the cylinder, in the center line and second location hole of the first positioning hole Center line of the heart line with locating shaft (38) coincides, and one end of the locating shaft (38) is arranged in first positioning hole and second and determines In the hole of position, the other end of the locating shaft (38) is fixedly connected with the cylinder rod of the first cylinder (39).

2. a kind of device for packing container air seal test according to claim 1, which is characterized in that the sink (6) bottom is equipped with bottom drain valve (24).

3. a kind of device for packing container air seal test according to claim 1, which is characterized in that the sink (6) side is equipped with transparent window (25).

4. a kind of device for packing container air seal test according to claim 1, which is characterized in that the sink (6) left side is equipped with observation platform (26) and steel ladder (27), and the vertical distance at the top of observation platform (26) screw clamp (6) is 800 millimeters to 1200 millimeters, the top of the steel ladder (27) is connect with observation platform (26).

5. a kind of device for packing container air seal test according to claim 1, which is characterized in that the system is also wrapped Include air feed equipment, the air feed equipment includes air compressor (28), freeze drier (29) and compressed air cylinder (30), described Air compressor (28) is supplied by the second steam line (31) to compressed air cylinder (30), freeze drier (29) series connection On the second steam line (31), the input terminal of first steam line (4) is connected with compressed air cylinder (30), and described The input terminal of one steam line (4) is equipped with the second intake valve (32), and the top of the compressed air cylinder (30) is equipped with second pressure Sensor (33), the second pressure sensor (33) are used to acquire the reservoir pressure signal of compressed air cylinder (30), and should Reservoir pressure signal passes to controller, and the controller controls air compressor (28) according to the reservoir pressure signal received Start and stop, the bottom of the compressed air cylinder (30) is equipped with drain valve (34).

6. a kind of device for packing container air seal test according to claim 5, which is characterized in that described second supplies Feed channel (31) inputs the one end of freeze drier (29) and one end of the second steam line (31) output freeze drier (29) It is equipped with the first shut-off valve, the air feed equipment further includes bypass duct, and the bypass duct is in parallel with freeze drier (29) Setting, the bypass duct are equipped with bypass valve.

7. a kind of device for packing container air seal test according to claim 1, which is characterized in that the sink (6) bottom is equipped with flase floor (35).