CN207964217U - A kind of aluminium film encapsulation tank body leakage detection apparatus - Google Patents
A kind of aluminium film encapsulation tank body leakage detection apparatus Download PDFInfo
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- CN207964217U CN207964217U CN201721928461.0U CN201721928461U CN207964217U CN 207964217 U CN207964217 U CN 207964217U CN 201721928461 U CN201721928461 U CN 201721928461U CN 207964217 U CN207964217 U CN 207964217U
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Abstract
A kind of aluminium film encapsulates tank body leakage detection apparatus, including lift drive mechanism, Jar opening sealer mechanism, obturator, divides air parcel, air pressure testing agency, gas supply mechanism and controller；Since this leakage detection apparatus includes obturator, when hunting leak to aluminium film encapsulation tank body, obturator is located in aluminium film encapsulation tank body, and obturator occupies most of space in aluminium film encapsulation tank body, so, search gas just can be filled in quickly in aluminium film encapsulation tank body, and therefore, the leak detection of this leakage detection apparatus is efficient；Simultaneously, again since this leakage detection apparatus includes the anti-air source that arches upward, so, after aluminium film encapsulation tank body leak detection, during obturator is detached from aluminium film and encapsulates tank body, the anti-air source that arches upward will encapsulate make-up gas in tank body to aluminium film, to avoid generating the influence of ascending air because of obturator disengaging aluminium film encapsulation tank body, preventing aluminium film causes inwardly to arch upward because of ascending air the generation of situation, and therefore, this leakage detection apparatus can be suitable for the leak detection of aluminium film encapsulation tank body.
Description
Technical field
The utility model is related to a kind of leakage detection apparatus, and more particularly, the utility model is related to a kind of aluminium films to encapsulate tank
Physical examination leakage device.
Background technology
Currently, many products on the market are all packaged using packing jar, it is packaged with packet using packing jar
It the advantages that dress convenience, good seal performance, therefore, is packaged with packing jar and has been widely used for food（Especially milk powder, milk
Product, bean product etc.）, the fields such as pharmacy.
In order to improve the packaging effect of product, to extend the shelf-life of product, way general at present is：In opening for tank body
It is packaged with aluminium film at mouthful, to form Easy tearing lid；Then, then with outer cover to the opening of tank body it is sealed.In use, first,
Open outer cover；Then, then aluminium film is torn（That is Easy tearing lid）, the product of tank body can be taken out in this way.
When the opening of tank body is packaged with aluminium film, tank body opening encapsulates the good direct with bad meeting of the sealing performance of aluminium film
Influence the packaging effect of product, and then influence the shelf-life of product, therefore, using aluminium film encapsulation tank body encapsulating products it
Before, it needs to hunt leak to aluminium film encapsulation tank body.
But since the inner space that aluminium film encapsulates tank body is generally bigger, so, using existing leak test plant to aluminium
When film encapsulation tank body is hunted leak, into aluminium film encapsulation tank body, the time of input gas is long, and therefore, existing leak test plant is deposited
In the low disadvantage of leak detection efficiency.
Meanwhile and arch upward since aluminium film is easy to happen under the influence of air pressure, especially aluminium is detached from existing leak test plant
During film encapsulates tank body, aluminium film is more prone to arch upward, and therefore, existing leak test plant has not been suitable for aluminium film envelope
The leak detection of tinning body.
For this purpose, designing a kind of aluminium film encapsulation tank that can be suitable for aluminium film encapsulation tank body and hunt leak and hunt leak efficient
Physical examination leakage device, this has become a technical problem to be solved urgently.
Invention content
The technical problem to be solved by the utility model is to provide a kind of aluminium films to encapsulate tank body leakage detection apparatus, this aluminium film envelope
Tinning physical examination leakage device can be suitable for the leak detection of aluminium film encapsulation tank body, also, the inspection of this aluminium film encapsulation tank body leakage detection apparatus
It leaks efficient.
In order to solve the above-mentioned technical problem, the technical solution adopted in the utility model is as follows：
A kind of aluminium film encapsulation tank body leakage detection apparatus, it is characterised in that：Including lift drive mechanism, Jar opening sealer mechanism, fill out
It fills body, divide air parcel, air pressure testing agency, gas supply mechanism and controller；
Above-mentioned lift drive mechanism uses lifting cylinder, the cylinder body of above-mentioned lifting cylinder to be fixedly mounted on inspection vertically downwardly
It leaks in turntable or the rack of equipment；
Above-mentioned Jar opening sealer mechanism includes mounting base, ring washer, loop buffer pad, leak detection gas disk, vertical tracheae, annular
Cushion rubber seat and sealing cushion rubber；
The upper end of above-mentioned mounting base is fixedly mounted on the piston rod of lifting cylinder；The lower end of above-mentioned mounting base is equipped with annular
Boss, the lower face of above-mentioned mounting base are equipped with circular groove, above-mentioned annular convex platform and circular groove with the piston of lifting cylinder
Bar is coaxially disposed；
Above-mentioned ring washer and loop buffer pad can slide up and down to respectively to be sleeved on the step of mounting base annular convex platform, on
It states ring washer and is located at the upper surface of loop buffer pad；
The upper surface of above-mentioned leak detection gas disk is fixedly mounted on by vertical screw on the lower face of loop buffer pad；Above-mentioned inspection
The upper surface of gas leakage disk is equipped with ring-shaped slide slot, and above-mentioned ring-shaped slide slot can slide up and down to the side for being sleeved on mounting base annular convex platform
On face；
It is along the circumferential direction evenly provided with multiple spring mounting grooves in above-mentioned ring-shaped slide slot, is erected in a spring mounting groove
A piece tension spring directly is installed, the upper end of mentioned strain spring is stretched in the circular groove of mounting base lower face；
An admission line is equipped in above-mentioned leak detection gas disk, the air inlet of above-mentioned admission line is located at the side of leak detection gas disk
On；The lower face of above-mentioned leak detection gas disk is set there are one cylinder, and the piston rod of above-mentioned cylinder and lifting cylinder is coaxially disposed, above-mentioned circle
Cylinder is connected to admission line；
By being threadably mounted on cylinder, upper end and the admission line of above-mentioned vertical tracheae connect at the top of above-mentioned vertical tracheae
It is logical；Above-mentioned vertical tracheae is equipped with annular stop platform；
For above-mentioned ring apron cover for seat on cylinder, above-mentioned ring apron seat fixes peace by the annular stop platform of vertical tracheae
On the lower face of leak detection gas disk, sealing is equipped between the upper surface of above-mentioned ring apron seat and the lower face for gas disk of hunting leak
Circle；The lower face of above-mentioned ring apron seat is equipped with ring apron slot, and the piston rod of above-mentioned ring apron slot and lifting cylinder is coaxial
Setting；
It is mounted in ring apron slot to above-mentioned sealing cushion rubber close contact, size and the aluminium film of above-mentioned sealing cushion rubber encapsulate tank
The size of body under shed matches；
Above-mentioned obturator is in cylindrical shape, and the diameter of above-mentioned obturator is less than the internal diameter of aluminium film encapsulation tank body, above-mentioned filling
The height of body is less than aluminium film encapsulation tank body under shed and arrives the distance between aluminium film；
The center of above-mentioned obturator upper surface is equipped with vertical tracheae mounting groove, and above-mentioned vertical tracheae mounting groove is sleeved on vertical gas
Guan Shang；
The side of above-mentioned obturator is equipped with horizontal screw sedimentation hole, and above-mentioned obturator is fixedly mounted in by horizontal screw
On the side of vertical tracheae, above-mentioned horizontal screw is located in horizontal screw sedimentation hole；
The upper surface of above-mentioned obturator connects with the part lower face of ring apron seat and sealing cushion rubber；
A plurality of horizontal gas-distributing pipe road, a port and the vertical tracheae in above-mentioned horizontal gas-distributing pipe road are equipped in above-mentioned obturator
Connection, another port in above-mentioned horizontal gas-distributing pipe road are located on the side of obturator, the port edge on above-mentioned filling body side surface
Circumferencial direction is uniformly arranged；
One gas-tpe fitting of above-mentioned point of air parcel is connected to the air inlet of admission line；
Above-mentioned air pressure testing agency is connected to another gas-tpe fitting of air parcel is divided；
Above-mentioned gas supply mechanism include air cylinder air source, cylinder solenoid valve, leak detection air source, leak detection solenoid valve, it is anti-arch upward air source and
Anti-arch solenoid valve；
Above-mentioned air cylinder air source is by cylinder solenoid valve and lifting cylinder is ventilated or cooperation of dying；
Above-mentioned leak detection air source passes through solenoid valve and the third gas-tpe fitting ventilation for dividing air parcel or the cooperation of dying of hunting leak；
The above-mentioned anti-air source that arches upward passes through anti-arch solenoid valve and the 4th gas-tpe fitting ventilation for dividing air parcel or cooperation of dying；
One signal input part of above controller is electrically connected with the signal input part of air pressure testing agency；
One signal output end of above controller is electrically connected with cylinder solenoid valve, another signal of above controller is defeated
Outlet is electrically connected with leak detection solenoid valve, and the third signal output end of above controller is electrically connected with anti-arch solenoid valve.
When hunting leak to aluminium film encapsulation tank body, preset the stroke of lifting cylinder, the stroke of lifting cylinder meet with
Lower condition：So that the sealing cushion rubber on lifting cylinder piston rod is sealed in, aluminium film encapsulates on the under shed of tank body and tension spring has
There is certain decrement and aluminium film encapsulation tank body is under pressure and is not to damage tank body by pressure；Then, controller exports a conducting control
Signal makes cylinder solenoid valve be connected to cylinder solenoid valve, and air cylinder air source is just supplied to lifting cylinder, and makes the piston of lifting cylinder
Bar is retracted to most short status；
When aluminium film encapsulation tank body is inverted and is located at the underface of sealing cushion rubber and obturator, controller exports another and leads
Logical control signal makes cylinder solenoid valve turn to cylinder solenoid valve, to make the piston rod of lifting cylinder extend, lifting cylinder
Piston rod drives entire Jar opening sealer mechanism and obturator to decline together；When the piston rod of lifting cylinder is elongated to stroke distances
Afterwards, the piston rod of lifting cylinder stops elongation, at this point, obturator is located at into aluminium film encapsulation tank body, sealing cushion rubber is sealed in aluminium
Film encapsulates on the under shed of tank body and tension spring has certain decrement；
Then, controller exports another conductivity control signal and gives leak detection solenoid valve, makes leak detection solenoid valve conduction, gas of hunting leak
The search gas in source will pass through a point air parcel and be transported in admission line, after the search gas in admission line flows through vertical tracheae,
It is flowed uniformly into aluminium film encapsulation tank body by horizontal gas-distributing pipe road again；Since most of space in aluminium film encapsulation tank body is filled out
Body is filled to occupy, so, search gas just can be filled in quickly in aluminium film encapsulation tank body, and therefore, this aluminium film encapsulates tank body leak detection dress
The leak detection set is efficient；
During search gas enters in aluminium film encapsulation tank body, aluminium film encapsulation tank detects in real time in air pressure testing agency
The air pressure of internal search gas, and the air pressure of search gas is conveyed to controller in real time, controller receives search gas
Real-time air pressure after, by the real-time air pressure of search gas and the air pressure of setting（The air pressure of setting with will not aluminium film arch upward outward
Maximum gas pressure is best）It compares, when the real-time air pressure of search gas reaches the air pressure of setting, controller exports another immediately
Closing control signal gives leak detection solenoid valve, and leak detection solenoid valve is made to close, and the search gas for air source of hunting leak just stops being conveyed to aluminium film
Tank body is encapsulated, at this point, controller can automatically record first pressure inside the tank value；It has crossed after a certain period of time, controller can be remembered automatically
Second pressure inside the tank value is recorded, and by the judgement of the variable quantity and setting of second pressure inside the tank value and first pressure inside the tank value
Value（The decision content of setting is the pressure difference for meeting air-tightness）It compares, to judge the sealing performance of aluminium film, and then judges aluminium
Whether film encapsulates tank body qualified；
If during search gas enters in aluminium film encapsulation tank body, limiting time is crossed, aluminium film encapsulates in tank body
Air pressure could not reach the pressure of setting always, controller can also export another closing control signal and give leak detection solenoid valve, make
Solenoid valve of hunting leak is closed, and the search gas for air source of hunting leak just stops being conveyed to aluminium film encapsulation tank body, and hereafter, controller will not be right again
Pressure in aluminium film encapsulation tank body is recorded, and judges that aluminium film encapsulation tank body is big leakage；
After aluminium film encapsulation tank body leak detection, controller exports another conductivity control signal to cylinder solenoid valve, makes
Cylinder solenoid valve turns to, and to make the piston rod of lifting cylinder shorten, the piston rod of lifting cylinder drives entire Jar opening sealer machine
Structure and obturator rise together, and obturator is made to be detached from aluminium film encapsulation tank body；
During obturator is detached from aluminium film and encapsulates tank body, controller exports another conductivity control signal and arches upward to anti-
Solenoid valve makes anti-arch solenoid valve conduction, and the make-up gas of the anti-air source that arches upward will pass through a point air parcel and be transported in admission line, into
After make-up gas in feed channel flows through vertical tracheae, then aluminium film is flowed uniformly by horizontal gas-distributing pipe road and is encapsulated in tank body,
To avoid generating the influence of ascending air because of obturator disengaging aluminium film encapsulation tank body, prevent aluminium film from causing because of ascending air
The generation for the situation that inwardly arches upward, therefore, this aluminium film, which encapsulates tank body leakage detection apparatus, can be suitable for the leak detection of aluminium film encapsulation tank body.
It is mounted on simultaneously as leak detection gas disk can be slided up and down to by ring washer, loop buffer pad and vertical screw
In mounting base, ring apron seat is fixedly mounted on by the annular stop platform of vertical tracheae on the lower face of leak detection gas disk, sealing
Cushion rubber immediately contacts to earth in ring apron slot, and obturator is fixedly mounted in the side of vertical tracheae by horizontal screw
On, the upper surface of obturator connects with the part lower face of ring apron seat and sealing cushion rubber, so, this aluminium film encapsulates tank body inspection
Leakage device it is reasonable for structure, novel in design, operate steadily, have a safety feature, install it is convenient with demolition and maintenance.
As the optimal technical scheme for dividing air parcel in the utility model：
Described point of air parcel is preferably with four connection for breather pipe.
Optimal technical scheme as the air pressure testing agency in the utility model：
The air pressure testing agency is preferably with pressure sensor.
Optimal technical scheme as the controller in the utility model：
The controller is preferably with PLC controller.
Improved technology scheme as the utility model：
The lower part of the obturator is along the circumferential direction equipped with chamfering.
When the lower part of obturator is along the circumferential direction equipped with chamfering, the into and out aluminium film encapsulation tank body of obturator becomes more
Add conveniently.
As further improvement of the utility model technical solution：
Gasket is equipped between the ring apron seat and the annular stop platform of vertical tracheae.
When being equipped with gasket between ring apron seat and the annular stop platform of vertical tracheae, annular stop platform on vertical tracheae
Volume can be designed smaller, to further reduced low manufacture cost.
In order to further save material, to further reduce low manufacture cost, above-mentioned leak detection gas disk and annular glue
Ring support can also be integrally formed, and just no longer needed to use sealing ring in this way, to further save material, further reduced system
Make at low cost.
Further improved technology scheme as the utility model：
Lifting position-limit mechanism is equipped between the mounting base and the turntable or rack of leak test plant；
Above-mentioned lifting position-limit mechanism includes sleeve block, axle sleeve, guide pillar seat and guide post；
Above-mentioned sleeve block is fixedly mounted on the turntable or rack of leak test plant, and above-mentioned sleeve block is close to lifting cylinder；
Above-mentioned axle sleeve is vertically fixedly mounted on sleeve block；
Above-mentioned guide pillar seat is fixedly mounted in mounting base；
Above-mentioned guide post is vertically fixedly mounted in guide pillar seat, and above-mentioned guide post is located in axle sleeve, on above-mentioned guide post and axle sleeve
Lower slider coordinates.
When the piston rod of lifting cylinder elongates or shortens, guide post will be down or up together with mounting base, due to
Guide post is located in axle sleeve, and guide post slides up and down cooperation with axle sleeve, so, by axle sleeve to the position-limiting action of guide post, to make peace
The operation of dress seat and all parts mounted thereon becomes more steady.
Compared with the prior art, the utility model has the beneficial effect that：Since this aluminium film encapsulation tank body leakage detection apparatus includes filling
Body, when hunting leak to aluminium film encapsulation tank body, obturator is located in aluminium film encapsulation tank body, and obturator occupies aluminium film encapsulation
Most of space in tank body, so, search gas just can be filled in quickly in aluminium film encapsulation tank body, therefore, the encapsulation of this aluminium film
The leak detection of tank body leakage detection apparatus is efficient；Meanwhile and since this aluminium film encapsulation tank body leakage detection apparatus includes the anti-air source that arches upward, institute
With after aluminium film encapsulation tank body leak detection, during obturator is detached from aluminium film and encapsulates tank body, the anti-air source that arches upward will be to
Aluminium film encapsulates make-up gas in tank body, to avoid generating the influence of ascending air because of obturator disengaging aluminium film encapsulation tank body,
Preventing aluminium film causes inwardly to arch upward because of ascending air the generation of situation, and therefore, this aluminium film encapsulation tank body leakage detection apparatus can fit
The leak detection of tank body is encapsulated for aluminium film；It can be seen that this aluminium film encapsulation tank body leakage detection apparatus, which can be suitable for aluminium film, encapsulates tank body
Leak detection, also, this aluminium film encapsulation tank body leakage detection apparatus leak detection it is efficient.
In addition, this aluminium film encapsulation tank body leakage detection apparatus also have it is reasonable for structure, novel in design, operate steadily, security performance
Good, installation and maintenance convenience, service life length, low manufacture cost, it is easy to spread the advantages that.
This aluminium film encapsulation tank body leakage detection apparatus is not only able to be suitable for the leak detection of aluminium film encapsulation tank body, moreover, this aluminium film is sealed
Tinning physical examination leakage device can also be suitable for the leak detection of general packing jar.
The utility model is described in further detail with reference to the accompanying drawings and detailed description.
Description of the drawings
Fig. 1 is structural schematic diagram when the preferred embodiment in the utility model is located above aluminium film encapsulation tank body；
Fig. 2 is structural schematic diagram when the preferred embodiment in the utility model hunts leak to aluminium film encapsulation tank body.
Specific implementation mode
As depicted in figs. 1 and 2, the aluminium film in this preferred embodiment encapsulates tank body leakage detection apparatus, including lift drive mechanism
1, Jar opening sealer mechanism 2, obturator 3, divide air parcel 4, air pressure testing agency 5, gas supply mechanism 6, controller 7 and lifting position-limit mechanism
8。
Above-mentioned lift drive mechanism 1 uses lifting cylinder 10, and the cylinder body of above-mentioned lifting cylinder 10 is fixed vertically downwardly to pacify
On the turntable of leak test plant or rack 01；
Obviously, above-mentioned lift drive mechanism 1 can also use other lift drive mechanisms, for example, being driven using by motor
Elevating screw mechanism.
Above-mentioned Jar opening sealer mechanism 2 includes mounting base 21, ring washer 22, loop buffer pad 23, leak detection gas disk 24, vertical
Tracheae 25, ring apron seat 26 and sealing cushion rubber 27；
The upper end of above-mentioned mounting base 21 is fixedly mounted on the piston rod of lifting cylinder 10；The lower end of above-mentioned mounting base 21 is set
There are annular convex platform 211, the lower face of above-mentioned mounting base 21 to be equipped with circular groove 212, above-mentioned annular convex platform 211 and circular groove
212 are coaxially disposed with the piston rod of lifting cylinder 10；
Above-mentioned ring washer 22 and loop buffer pad 23 can slide up and down to the platform for being sleeved on mounting base annular convex platform 211 respectively
On rank 2110, above-mentioned ring washer 22 is located at the upper surface of loop buffer pad 23；
The upper surface of above-mentioned leak detection gas disk 24 is fixedly mounted on the lower face of loop buffer pad 23 by vertical screw 240
On；The upper surface of above-mentioned leak detection gas disk 24 is equipped with ring-shaped slide slot 241, and above-mentioned ring-shaped slide slot 241, which can slide up and down to, to be sleeved on
On the side 2111 of mounting base annular convex platform 211；
Multiple spring mounting grooves 2410 are along the circumferential direction evenly provided in above-mentioned ring-shaped slide slot 241, it is preferred real at this
It applies in example, the number of spring mounting groove 2410 is four, and a tension bullet is vertically equipped in a spring mounting groove 2410
The upper end of spring 2411, mentioned strain spring 2411 is stretched in the circular groove 212 of 21 lower face of mounting base；
An admission line 242 is equipped in above-mentioned leak detection gas disk 24, the air inlet 2420 of above-mentioned admission line 242 is located at inspection
On the side 243 of gas leakage disk 24；The lower face 244 of above-mentioned leak detection gas disk 24 is set there are one cylinder 245, above-mentioned cylinder 245 with rise
The piston rod of sending down abnormally ascending cylinder 10 is coaxially disposed, and above-mentioned cylinder 245 is connected to admission line 242；
The top of above-mentioned vertical tracheae 25 by screw thread 250 be mounted on cylinder 245 on, the upper end of above-mentioned vertical tracheae 25 with
Admission line 242 is connected to；Above-mentioned vertical tracheae 25 is equipped with annular stop platform 251；
Above-mentioned ring apron seat 26 is sleeved on cylinder 245, and above-mentioned ring apron seat 26 passes through gasket 252 and vertical tracheae 25
Annular stop platform 251 be fixedly mounted on the lower face 244 of leak detection gas disk 24, above-mentioned gasket 252 is located at ring apron seat 26
Between the annular stop platform 251 of vertical tracheae 25；The lower face of the upper surface of above-mentioned ring apron seat 26 and leak detection gas disk 24
Sealing ring 260 is equipped between 244；The lower face of above-mentioned ring apron seat 26 is equipped with ring apron slot 261, above-mentioned ring apron slot
261 are coaxially disposed with the piston rod of lifting cylinder 10；
Above-mentioned sealing cushion rubber 27 immediately contacts to earth in ring apron slot 261, the size and aluminium of above-mentioned sealing cushion rubber 27
The size of film encapsulation 02 under shed 020 of tank body matches.
Above-mentioned obturator 3 is in cylindrical shape, and the lower part of above-mentioned obturator 3 is along the circumferential direction equipped with chamfering 30；Above-mentioned filling
The diameter of body 3 is less than the internal diameter of aluminium film encapsulation tank body 02, and the height of above-mentioned obturator 3 is less than aluminium film and encapsulates 02 under shed of tank body
020 arrives the distance between aluminium film 021；
The center of 3 upper surface of above-mentioned obturator is equipped with vertical tracheae mounting groove 31, and above-mentioned vertical tracheae mounting groove 31 is sleeved on
On vertical tracheae 25；
The side of above-mentioned obturator 3 be equipped with horizontal screw sedimentation hole 32, above-mentioned obturator 3 by horizontal screw 33 fixedly
On the side of vertical tracheae 25, above-mentioned horizontal screw 33 is located in horizontal screw sedimentation hole 32；
The upper surface of above-mentioned obturator 3 connects with the part lower face of ring apron seat 26 and sealing cushion rubber 27；
A plurality of horizontal gas-distributing pipe road 34, in the preferred embodiment, horizontal gas-distributing pipe road 34 are equipped in above-mentioned obturator 3
Item number is four；The a port 341 in above-mentioned horizontal gas-distributing pipe road 34 is connected to vertical tracheae 25, above-mentioned horizontal gas-distributing pipe road 34
Another port 342 be located on the side of obturator 3, the port 342 on 3 side of above-mentioned obturator is along the circumferential direction uniformly set
It sets.
Above-mentioned point of air parcel 4 uses four connection for breather pipe 40；
Above-mentioned point of air parcel 4 is the air inlet 2420 of a gas-tpe fitting 41 and admission line 242 for four connection for breather pipe 40
Connection.
Above-mentioned air pressure testing agency 5 uses pressure sensor 50.
Above-mentioned air pressure testing agency 5 is pressure sensor 50 and divides air parcel 4 i.e. another tracheae of four connection for breather pipe 40
Connector 42 is connected to.
Above-mentioned gas supply mechanism 6 includes air cylinder air source 61, cylinder solenoid valve 62, leak detection air source 63, leak detection solenoid valve 64, anti-arch
Play air source 65 and anti-arch solenoid valve 66；
Above-mentioned air cylinder air source 61 is by cylinder solenoid valve 62 and lifting cylinder 10 is ventilated or cooperation of dying；
Above-mentioned leak detection air source 63 is connect by solenoid valve 64 of hunting leak with the third tracheae of i.e. four connection for breather pipe 40 of air parcel 4 is divided
First 43 ventilation or cooperation of dying；
The above-mentioned anti-air source 65 that arches upward passes through anti-arch solenoid valve 66 and the 4th gas for dividing i.e. four connection for breather pipe 40 of air parcel 4
Pipe fitting 44 is ventilated or cooperation of dying.
Above controller 7 uses PLC controller 70；
Above controller 7 is a signal input part of PLC controller 70 and air pressure testing agency 5 is pressure sensor 50
Signal input part electrical connection；
Above controller 7 is that a signal output end of PLC controller 70 is electrically connected with cylinder solenoid valve 62, above-mentioned control
Device 7 is that another signal output end of PLC controller 70 is electrically connected with leak detection solenoid valve 64, and above controller 7 is PLC controller
70 third signal output end is electrically connected with anti-arch solenoid valve 66.
Above-mentioned lifting position-limit mechanism 8 includes sleeve block 81, axle sleeve 82, guide pillar seat 83 and guide post 84；
Above-mentioned sleeve block 81 is fixedly mounted on the turntable or rack 01 of leak test plant, and above-mentioned sleeve block 81 is close to lifting
Cylinder 10；
Above-mentioned axle sleeve 82 is vertically fixedly mounted on sleeve block 81；
Above-mentioned guide pillar seat 83 is fixedly mounted in mounting base 21；
Above-mentioned guide post 84 is vertically fixedly mounted in guide pillar seat 83, and above-mentioned guide post 84 is located in axle sleeve 82, above-mentioned guide post
84 slide up and down cooperation with axle sleeve 82.
The course of work of this preferred embodiment and related work principle are described in further detail below in conjunction with the accompanying drawings,
To enable those skilled in the art to the technology contents for being more fully understood from the utility model：
When hunting leak to aluminium film encapsulation tank body 02, the stroke of lifting cylinder 10, the stroke of lifting cylinder 10 are preset
Meet the following conditions：The sealing cushion rubber 27 on the piston rod of lifting cylinder 10 is set to be sealed in the under shed of aluminium film encapsulation tank body 02
On 020 and tension spring 2411 has certain decrement and aluminium film encapsulation tank body 02 is under pressure and is not to damage tank body by pressure；So
Afterwards, controller 7 is that PLC controller 70 exports a conductivity control signal to cylinder solenoid valve 62, and cylinder solenoid valve 62 is made to be connected,
Air cylinder air source 61 just gives lifting cylinder 10 to supply, and the piston rod of lifting cylinder 10 is made to be retracted to most short status, as shown in Figure 1；
When aluminium film encapsulation tank body 02 is inverted and is located at the underface of sealing cushion rubber 27 and obturator 3, controller 7 is PLC
Controller 70 exports another conductivity control signal to cylinder solenoid valve 62, so that cylinder solenoid valve 62 is turned to, to make lifting air
The piston rod of cylinder 10 extends, and the piston rod of lifting cylinder 10 drives entire Jar opening sealer mechanism 2 and obturator 3 to decline together；When
After the piston rod of lifting cylinder 10 is elongated to stroke distances, the piston rod of lifting cylinder 10 stops elongation, at this point, obturator 3
In being encapsulated to aluminium film, tank body 02 is interior, sealing cushion rubber 27 is sealed on the under shed 020 of aluminium film encapsulation tank body 02 and tension spring
2411 have certain decrement, as shown in Figure 2；
Then, controller 7 is that PLC controller 70 exports another conductivity control signal to solenoid valve 64 of hunting leak, and makes leak detection
Solenoid valve 64 is connected, and the search gas of leak detection air source 63 will pass through point air parcel 4 i.e. four connection for breather pipe 40 and be transported to admission line
In 242, after the search gas in admission line 242 flows through vertical tracheae 25, then flowed uniformly by horizontal gas-distributing pipe road 34
Aluminium film encapsulates in tank body 02；It is occupied since most of space in aluminium film encapsulation tank body 02 is filled body 3, so, search gas
It just can be filled in quickly in aluminium film encapsulation tank body 02, therefore, the leak detection that this aluminium film encapsulates tank body leakage detection apparatus is efficient；
During search gas enters in aluminium film encapsulation tank body 02, air pressure testing agency 5 is that pressure sensor 50 is real
When detect the air pressure of search gas in aluminium film encapsulation tank body 02, and the air pressure of search gas is conveyed to controller 7 in real time
That is PLC controller 70, after controller 7 i.e. PLC controller 70 receives the real-time air pressure of search gas, by the real-time of search gas
The air pressure of air pressure and setting（The air pressure of setting with will not the maximum gas pressure that arches upward outward of aluminium film 021 it is best）It compares, works as leak detection
When the real-time air pressure of gas reaches the air pressure of setting, controller 7 is that PLC controller 70 exports another closing control signal immediately
Leak detection solenoid valve 64 is given, leak detection solenoid valve 64 is made to close, the search gas of leak detection air source 63 just stops being conveyed to aluminium film encapsulation tank
Body 02, at this point, controller 7, which is PLC controller 70, can automatically record first pressure inside the tank value；It has crossed after a certain period of time, control
Device 7, which is PLC controller 70, can automatically record second pressure inside the tank value, and by second pressure inside the tank value and first tank internal pressure
The variable quantity of force value and the decision content of setting（The decision content of setting is the pressure difference for meeting air-tightness）It compares, to judge aluminium
The sealing performance of film 021, and then judge whether aluminium film encapsulation tank body 02 is qualified；
If during search gas enters in aluminium film encapsulation tank body 02, limiting time is crossed, aluminium film encapsulates tank body
Air pressure in 02 could not reach always the pressure of setting, and controller 7, which is PLC controller 70, can also export another closing control letter
Number leak detection solenoid valve 64 is given, so that leak detection solenoid valve 64 is closed, the search gas of leak detection air source 63 just stops being conveyed to aluminium film and encapsulates
Tank body 02, hereafter, controller 7, which is PLC controller 70, again to be recorded the pressure in aluminium film encapsulation tank body 02, and is sentenced
Fixed aluminium film encapsulation tank body 02 is big leakage；
After aluminium film encapsulation tank body 02 is hunted leak, controller 7 is that PLC controller 70 exports another conductivity control signal
To cylinder solenoid valve 62, cylinder solenoid valve 62 is made to turn to, to make the piston rod of lifting cylinder 10 shorten, the work of lifting cylinder 10
Stopper rod drives entire Jar opening sealer mechanism 2 and obturator 3 to rise together, and obturator 3 is made to be detached from aluminium film encapsulation tank body 02；
During obturator 3 is detached from aluminium film and encapsulates tank body 02, controller 7 i.e. PLC controller 70 exports another and leads
Logical control signal gives anti-arch solenoid valve 66, and anti-arch solenoid valve 66 is made to be connected, and the make-up gas of the anti-air source 65 that arches upward will pass through
It is that four connection for breather pipe 40 are transported in admission line 242 to divide air parcel 4, and the make-up gas in admission line 242 flows through vertical gas
After pipe 25, then aluminium film is flowed uniformly by horizontal gas-distributing pipe road 34 and is encapsulated in tank body 02, to avoid being detached from aluminium because of obturator 3
Film encapsulates tank body 02 and generates the influence of ascending air, prevents aluminium film 021 from causing inwardly to arch upward because of ascending air the hair of situation
Raw, therefore, this aluminium film, which encapsulates tank body leakage detection apparatus, can be suitable for the leak detection of aluminium film encapsulation tank body.
During the piston rod of lifting cylinder 10 elongates or shortens, guide post 84 will together decline with mounting base 83
Or rise, since guide post 84 is located in axle sleeve 82, guide post 84 slides up and down cooperation with axle sleeve 82, so, by axle sleeve 82 to leading
The position-limiting action of column 84, to make the operation of mounting base 21 and all parts mounted thereon become more steady.
Solid arrow indicates the flow direction of gas in Fig. 1 and Fig. 2, and dotted arrow indicates the flowing of electric signal in Fig. 2
Direction.
The content of above-mentioned specific implementation mode is the preferred embodiment of the utility model, and above preferred embodiment is not used
The scope of the utility model is limited, therefore, every its scope of the claims according to the utility model are made
Various equivalents, by the utility model, its scope of the claims covers.
Claims (7)
1. a kind of aluminium film encapsulates tank body leakage detection apparatus, it is characterised in that：Including lift drive mechanism, Jar opening sealer mechanism, filling
Body divides air parcel, air pressure testing agency, gas supply mechanism and controller；
Above-mentioned lift drive mechanism uses lifting cylinder, the cylinder body of above-mentioned lifting cylinder to be fixedly mounted on leak detection vertically downwardly and set
On standby turntable or rack；
Above-mentioned Jar opening sealer mechanism includes mounting base, ring washer, loop buffer pad, leak detection gas disk, vertical tracheae, ring apron
Seat and sealing cushion rubber；
The upper end of above-mentioned mounting base is fixedly mounted on the piston rod of lifting cylinder；The lower end of above-mentioned mounting base is equipped with convex annular
Platform, the lower face of above-mentioned mounting base are equipped with circular groove, above-mentioned annular convex platform and circular groove with the piston rod of lifting cylinder
Coaxial arrangement；
Above-mentioned ring washer and loop buffer pad can slide up and down to respectively to be sleeved on the step of mounting base annular convex platform, above-mentioned ring
Shape washer is located at the upper surface of loop buffer pad；
The upper surface of above-mentioned leak detection gas disk is fixedly mounted on by vertical screw on the lower face of loop buffer pad；Above-mentioned leak detection gas
The upper surface of disk is equipped with ring-shaped slide slot, and above-mentioned ring-shaped slide slot can slide up and down to the side for being sleeved on mounting base annular convex platform
On；
Along the circumferential direction it is evenly provided with multiple spring mounting grooves in above-mentioned ring-shaped slide slot, in a spring mounting groove vertically
A piece tension spring is installed, the upper end of mentioned strain spring is stretched in the circular groove of mounting base lower face；
An admission line is equipped in above-mentioned leak detection gas disk, the air inlet of above-mentioned admission line is located on the side of leak detection gas disk；
The lower face of above-mentioned leak detection gas disk is set there are one cylinder, and the piston rod of above-mentioned cylinder and lifting cylinder is coaxially disposed, above-mentioned cylinder
It is connected to admission line；
By being threadably mounted on cylinder, the upper end of above-mentioned vertical tracheae is connected to admission line at the top of above-mentioned vertical tracheae；
Above-mentioned vertical tracheae is equipped with annular stop platform；
On cylinder, above-mentioned ring apron seat is fixedly mounted on above-mentioned ring apron cover for seat by the annular stop platform of vertical tracheae
It hunts leak on the lower face of gas disk, sealing ring is equipped between the upper surface of above-mentioned ring apron seat and the lower face for gas disk of hunting leak；On
The lower face for stating ring apron seat is equipped with ring apron slot, the piston rod coaxial arrangement of above-mentioned ring apron slot and lifting cylinder；
It is mounted in ring apron slot to above-mentioned sealing cushion rubber close contact, size and the aluminium film of above-mentioned sealing cushion rubber encapsulate under tank body
The size of opening matches；
Above-mentioned obturator is in cylindrical shape, and the diameter of above-mentioned obturator is less than the internal diameter of aluminium film encapsulation tank body, above-mentioned obturator
Height is less than aluminium film encapsulation tank body under shed and arrives the distance between aluminium film；
The center of above-mentioned obturator upper surface is equipped with vertical tracheae mounting groove, and above-mentioned vertical tracheae mounting groove is sleeved on vertical tracheae
On；
The side of above-mentioned obturator is equipped with horizontal screw sedimentation hole, and above-mentioned obturator is fixedly mounted in vertically by horizontal screw
On the side of tracheae, above-mentioned horizontal screw is located in horizontal screw sedimentation hole；
The upper surface of above-mentioned obturator connects with the part lower face of ring apron seat and sealing cushion rubber；
A plurality of horizontal gas-distributing pipe road is equipped in above-mentioned obturator, a port and the vertical tracheae in above-mentioned horizontal gas-distributing pipe road connect
Logical, another port in above-mentioned horizontal gas-distributing pipe road is located on the side of obturator, and the port on above-mentioned filling body side surface is along circle
Circumferential direction is uniformly arranged；
One gas-tpe fitting of above-mentioned point of air parcel is connected to the air inlet of admission line；
Above-mentioned air pressure testing agency is connected to another gas-tpe fitting of air parcel is divided；
Above-mentioned gas supply mechanism includes air cylinder air source, cylinder solenoid valve, leak detection air source, leak detection solenoid valve, the anti-air source and anti-arch of arching upward
Play solenoid valve；
Above-mentioned air cylinder air source is by cylinder solenoid valve and lifting cylinder is ventilated or cooperation of dying；
Above-mentioned leak detection air source passes through solenoid valve and the third gas-tpe fitting ventilation for dividing air parcel or the cooperation of dying of hunting leak；
The above-mentioned anti-air source that arches upward passes through anti-arch solenoid valve and the 4th gas-tpe fitting ventilation for dividing air parcel or cooperation of dying；
One signal input part of above controller is electrically connected with the signal input part of air pressure testing agency；
One signal output end of above controller is electrically connected with cylinder solenoid valve, another signal output end of above controller
It is electrically connected with leak detection solenoid valve, the third signal output end of above controller is electrically connected with anti-arch solenoid valve.
2. aluminium film according to claim 1 encapsulates tank body leakage detection apparatus, it is characterised in that：Described point of air parcel is using four ventilations
Pipe fitting.
3. aluminium film according to claim 1 encapsulates tank body leakage detection apparatus, it is characterised in that：The air pressure testing agency uses
Pressure sensor.
4. aluminium film according to claim 1 encapsulates tank body leakage detection apparatus, it is characterised in that：The controller is controlled using PLC
Device processed.
5. aluminium film according to claim 1 encapsulates tank body leakage detection apparatus, it is characterised in that：The lower part of the obturator is along circle
Circumferential direction is equipped with chamfering.
6. aluminium film according to claim 1 encapsulates tank body leakage detection apparatus, it is characterised in that：The ring apron seat and vertical
Gasket is equipped between the annular stop platform of tracheae.
7. aluminium film according to claim 1 encapsulates tank body leakage detection apparatus, it is characterised in that：The mounting base and leak test plant
Turntable or rack between be equipped with lifting position-limit mechanism；
Above-mentioned lifting position-limit mechanism includes sleeve block, axle sleeve, guide pillar seat and guide post；
Above-mentioned sleeve block is fixedly mounted on the turntable or rack of leak test plant；
Above-mentioned axle sleeve is vertically fixedly mounted on sleeve block；
Above-mentioned guide pillar seat is fixedly mounted in mounting base；
Above-mentioned guide post is vertically fixedly mounted in guide pillar seat, and above-mentioned guide post is located in axle sleeve, and above-mentioned guide post glides on axle sleeve
Dynamic cooperation.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721928461.0U CN207964217U (en) | 2017-12-30 | 2017-12-30 | A kind of aluminium film encapsulation tank body leakage detection apparatus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721928461.0U CN207964217U (en) | 2017-12-30 | 2017-12-30 | A kind of aluminium film encapsulation tank body leakage detection apparatus |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108051159A (en) * | 2017-12-30 | 2018-05-18 | 汕头市新青罐机有限公司 | Aluminium film encapsulates tank body leakage detection apparatus |
| CN110530581A (en) * | 2019-08-06 | 2019-12-03 | 南通大学 | Chemical product bottle foil sealing detection device and detection method |
| CN110926729A (en) * | 2019-11-29 | 2020-03-27 | 重庆安都陶瓷有限公司 | Tank detection device |
| CN113369172A (en) * | 2021-08-12 | 2021-09-10 | 南通剑烽机械有限公司 | Medicine production packing bottle online leakproofness check out test set |
| CN113983362A (en) * | 2021-04-25 | 2022-01-28 | 天津博宇钢管有限公司 | Pipeline leakage monitoring and plugging device |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108051159A (en) * | 2017-12-30 | 2018-05-18 | 汕头市新青罐机有限公司 | Aluminium film encapsulates tank body leakage detection apparatus |
| CN110530581A (en) * | 2019-08-06 | 2019-12-03 | 南通大学 | Chemical product bottle foil sealing detection device and detection method |
| CN110926729A (en) * | 2019-11-29 | 2020-03-27 | 重庆安都陶瓷有限公司 | Tank detection device |
| CN110926729B (en) * | 2019-11-29 | 2021-11-19 | 重庆安都陶瓷有限公司 | Tank detection device |
| CN113983362A (en) * | 2021-04-25 | 2022-01-28 | 天津博宇钢管有限公司 | Pipeline leakage monitoring and plugging device |
| CN113983362B (en) * | 2021-04-25 | 2023-09-22 | 天津博宇钢管有限公司 | Pipeline leakage monitoring and plugging device |
| CN113369172A (en) * | 2021-08-12 | 2021-09-10 | 南通剑烽机械有限公司 | Medicine production packing bottle online leakproofness check out test set |
| CN113369172B (en) * | 2021-08-12 | 2021-10-15 | 南通剑烽机械有限公司 | Medicine production packing bottle online leakproofness check out test set |
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