CN105258853A - Air leakage detection system of gas flushing pouch - Google Patents
Air leakage detection system of gas flushing pouch Download PDFInfo
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- CN105258853A CN105258853A CN201510814726.3A CN201510814726A CN105258853A CN 105258853 A CN105258853 A CN 105258853A CN 201510814726 A CN201510814726 A CN 201510814726A CN 105258853 A CN105258853 A CN 105258853A
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Abstract
The present invention relates to the technical field of packing machinery, and discloses an air leakage detection system of a gas flushing pouch. The objective of the air leakage detection system of gas flushing pouch is to solve the problem that the air leakage cannot be automatically detected, and the following technical scheme is provided. The air leakage detection system of the gas flushing pouch is characterized in that: a pushing motor (7) is fixedly connected with a rotation pushing framework (13); two ends of a driving roller (9), two ends of a driven roller (10), two ends of a transition roller (11) are rotatably connected with the rotation pushing framework (13); a lifting shaft (5) is coaxial with the transition roller (11), has a body passing in the transition roller (11), and is slidingly connected with the transition roller (11); the outsides of the driving roller, the driven roller and the transition roller are wrapped in a pushing belt (12) to form a closed triangle; a pushing mechanism is fixedly connected with a frame (1); and an elastic pressure part is in elastic abut connection with the rotation pushing framework (13). The air leakage detection system of a gas flushing pouch is capable of quickly checking whether the gas flushing pouch leaks gas or not in an automation mode.
Description
Technical field
The present invention relates to packing machinery technology, particularly relate to a kind of gas flushing pouch air leakage detection system.
Background technology
The product of plant produced, as the daily chemical products of food or particle shape, to need to load in packaging bag and to seal, and packing of then casing, puts in storage and is sent to market.
Delicatessen needs to pack when aseptic.In order to make food or other products be in germ-free condition in packaging bag, or in order to other object, need realizing inside and outside packaging bag gas-insulated.In recent years, in packing technique field, have employed a kind of new packing method in a large number, that is: in finished product packing bag, product is not only equipped with in its inside, is also filled with gas or aseptic gas, makes packaging bag be rendered as outside bulging.
Above-mentioned new packing method, also can be referred to as gas flush packaging method.Though new method is good, on a production line, may have certain probability occurs because sealing bad and situation that is that cause packaging bag to be leaked gas; The packaging bag of gas leakage shows as bulging degree not, or presents etat lacunaire.
In order to the packaging bag of will leak gas is out fastidious, can only be tested by artificial mode at present, and lack the detection method of robotization, its crux is: packaging bag, if any slight gas leakage, detects fast with automated method, is difficult to detect, and difficulty is very large.
Summary of the invention
In the prior art, whether gas flushing pouch exists gas leakage, cannot carry out Aulomatizeted Detect; In order to solve aforesaid technical matters, the present invention proposes following technical scheme.
A kind of gas flushing pouch air leakage detection system, comprising: frame, containing the conveying device of conveying belt, and automation control circuit;
Comprise: upper unit and height detecting device;
Described upper unit is positioned at the top of conveying belt; Upper unit comprises: jacking equipment, rotates pushing equipment, and press mechanism;
Described jacking equipment comprises: containing the active screw body of active screw mandrel, containing the passive-type screw body of passive screw mandrel, realize the Timing Belt assembly of passive screw mandrel and active screw mandrel synchronous rotary, make the lifting shaft assembly of rise and fall when screw mandrel rotates, and jacking equipment support; Described lifting shaft assembly comprises: lifting shaft and two lifting nut parts, the internal thread of lifting nut part and the external thread dimensional fits of screw mandrel, body portion and a lifting nut part of active screw mandrel are rotationally connected, body portion and another lifting nut part of passive screw mandrel are rotationally connected, and the two ends of lifting shaft are respectively fixedly connected with a lifting nut part;
Described rotation pushing equipment comprises: push motor, pushes drive disk assembly, drive roll, passive cylinder, transition cylinder, push belt, and rotates propelling movement framework; Propelling movement motor pushes framework with rotation and is fixedly connected with; The two ends of the two ends of drive roll, the two ends of passive cylinder, transition cylinder, push frame member with rotation respectively separately and are connected; Drive roll, passive cylinder and transition cylinder, the axial connecting line of these three cylinders is triangular in shape, and push belt is wrapped in the outside of aforementioned three cylinders and forms closed triangle; Described lifting shaft, it is coaxial with transition cylinder, and its body portion is through within transition cylinder, and itself and transition cylinder are rotationally connected;
Push motor to be in transmission connection by propelling movement drive disk assembly and drive roll;
Described press mechanism comprises resilient intermediate pressure means; Press mechanism is fixedly connected with frame; Resilient intermediate pressure means in press mechanism supports with rotating frame elasticity and is connected;
The terminals of height detecting device are electrically connected with automation control circuit.
This further method comprises:
Described frame comprises working plate;
Described lifting nut part is rectangular;
Described jacking equipment support comprises: two elevator chambers vertically arranged and a handwheel; The shape of the rectangular cylinder of elevator chamber, each elevator chamber comprises top; The bottom of elevator chamber is fixedly connected with working plate; Described elevator chamber, its inwall is rectangular, and the profile of this inwall rectangle and lifting nut part is coincide and dimensional fits; Two lifting nut parts lay respectively at two elevator chamber inside, and each lifting nut part is all connected for sliding up and down with the elevator chamber at place;
Elevator chamber is offered the avoiding structure moved up and down for lifting shaft; The lower end of screw mandrel is connected with the lower rotational of elevator chamber, or the lower end of screw mandrel and working plate are rotationally connected;
Described Timing Belt assembly comprises: Timing Belt and two synchronizing wheels; Two synchronizing wheels are fixedly connected with two rhizoid bars separately respectively, and Timing Belt and two synchronizing wheels are in transmission connection; Aforesaid two rhizoid bars refer to initiatively screw mandrel and passive screw mandrel;
The upper end of passive screw mandrel and the top of elevator chamber are rotationally connected; The initiatively top of screw mandrel, it passes the top of elevator chamber, and it is fixedly connected with handwheel; Initiatively the top of screw mandrel and elevator chamber is rotationally connected;
Initiatively be provided with latch mechanism between screw mandrel and elevator chamber, or, be provided with latch mechanism between passive screw mandrel and elevator chamber.
This further method comprises:
Described press mechanism comprises: press down support, nut part, screw element, and lower pressing spring;
Nut part with press down support and be fixedly connected with; Screw element is spun in nut part; Lower pressing spring, its inside is installed with screw element, and its upper end is supported with nut part elasticity and is connected, and its lower end and rotation push frame elastic to being connected;
Press down support to be fixedly connected with described frame, or described frame comprises working plate, press down support and be fixedly connected with described working plate.
This further method comprises:
Described press mechanism comprises: press down support, nut part, is provided with the screw element of fixing structure, and lower pressing spring;
Press down support to be fixedly connected with described frame, or described frame comprises working plate, press down support and be fixedly connected with described working plate;
Nut part with press down support and be fixedly connected with; The top of screw element is spun in nut part; Lower pressing spring, its inside is installed with screw element, and its upper end is supported with the fixing structure elasticity of screw element and is connected, and its lower end and rotation push frame elastic to being connected;
Described height detecting device comprises: displacement support, sensor, and Bracket for Inspection;
The terminals of sensor are connected with automation control circuit by wire; Bracket for Inspection with press down support detachable and be fixedly connected with; The first end of displacement support pushes framework with rotation and is fixedly connected with;
Displacement support second end, its facilities be following any one in both:
A. displacement support second end is disposed adjacent with Bracket for Inspection, and at adjacent sensor installation;
B. displacement support second end and Bracket for Inspection do being oppositely arranged of clear, and arrange sensor between displacement support second end and Bracket for Inspection.
This further method comprises:
Described system comprises: the removal equipment of rejecting the gas flushing pouch of gas leakage; Removal equipment is arranged on the outlet orientation of described system;
Described removal equipment comprises: first, second and third: described first rejects actuating unit, and it contains rejecting power motor; Described second is two and rejects rotation axis mechanism, and each is rejected rotation axis mechanism and all rejects rotation axis containing one; Described third is two rejects execution unit, and each rejecting execution unit is rejected rotation axis with one respectively and is fixedly connected with;
The output shaft of rejecting power motor is fixedly connected with rejecting rotation axis, or the output shaft of rejecting power motor realizes being in transmission connection by drive disk assembly with rejecting rotation axis;
The terminals of rejecting power motor are electrically connected by wire with automation control circuit.
This further method comprises:
Described system comprises Guo Dian testing agency; Described Guo Dian testing agency, it is arranged on the position that tested packaging bag is advanced, and it is electrically connected with automation control circuit; The described position of advancing refers to that packaging bag is subject to the position of push belt compressing.
The invention has the beneficial effects as follows: in production line, can check in an automated manner, fast and learn whether packaging bag leaks gas.
Accompanying drawing explanation
Fig. 1 is one of partial schematic diagram rotating pushing equipment; In Fig. 1, the downward unidirectional large arrow of upper right quarter represents by press mechanism rotating frame 13 applied pressure; The four-headed arrow representative of arc in Fig. 1: rotating frame 13 and rotation pushing equipment thereof, they rotate swing around the axial line of transition cylinder 11; There are two unidirectional small arrows the position, middle and lower part of Fig. 1, and small arrow above represents the direction of motion of push belt 12, below small arrow represent the direction of motion of conveying belt 2 in conveying device;
Fig. 2 is the partial schematic diagram two rotating pushing equipment;
Fig. 3 is the schematic perspective view that Fig. 1 has made omission, simplify processes;
Fig. 4 is the schematic perspective view that jacking equipment has made omission, simplify processes;
Fig. 5 is the schematic perspective view that the rotation pushing equipment of Fig. 3 and the jacking equipment of Fig. 4 fit together;
Fig. 6 is one of schematic diagram of press mechanism;
Fig. 7 is the schematic perspective view of Fig. 6;
Fig. 8 is the schematic diagram two of press mechanism;
Fig. 9 is screw element schematic diagram;
Figure 10 is one of screw element schematic diagram being provided with fixing structure;
Figure 11 is the schematic diagram that Figure 10 screw element is inserted in lower pressing spring;
Figure 12 is the schematic diagram two being provided with fixing structure screw element;
Figure 13 is the schematic diagram three being provided with fixing structure screw element;
Figure 14 is the schematic diagram three of press mechanism;
Figure 15 is one of schematic diagram of press mechanism and height detecting device;
Figure 16 is the schematic diagram two of press mechanism and height detecting device;
Figure 17 is the schematic diagram of invention system in embodiment one;
Figure 18 is the vertical view of Figure 17;
Figure 19 is the left view of Figure 17;
The schematic diagram of Figure 20 Shi Guodian testing agency 53 facilities.
Number in the figure illustrates:
Frame 1; Conveying belt 2; Height detecting device 3; Initiatively screw mandrel 4A; Passive screw mandrel 4B; Lifting shaft 5; Lifting nut part 6A; Lifting nut part 6B; Push motor 7; Push drive disk assembly 8; Drive roll 9; Passive cylinder 10; Transition cylinder 11; Push belt 12; Rotate and push framework 13; Working plate 14; Working plate 14-1; Elevator chamber 15; Top 15-1; Handwheel 16; Timing Belt 18; Synchronizing wheel 19; Press down support 21; Nut part 22; Screw element 23; Lower pressing spring 24; Displacement support 25; Sensor 26; Bracket for Inspection 27; Packaging bag 50; Reject rotation axis 51; Reject execution unit 52; Guo Dian testing agency 53.
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
Embodiment
First, main points of the present invention are made the general description, and interpretation.
Main points of the present invention are described below:
A kind of gas flushing pouch air leakage detection system, comprising: frame 1, containing the conveying device of conveying belt 2, and automation control circuit;
Particularly: comprising: upper unit and height detecting device 3;
Described upper unit is positioned at the top of conveying belt 2; Upper unit comprises: jacking equipment, rotates pushing equipment, and press mechanism;
Described jacking equipment comprises: containing the active screw body of active screw mandrel 4A, containing the passive-type screw body of passive screw mandrel 4B, realize the Timing Belt assembly of passive screw mandrel 4B and active screw mandrel 4A synchronous rotary, make the lifting shaft assembly of rise and fall when screw mandrel rotates, and jacking equipment support; Described lifting shaft assembly comprises: lifting shaft 5 and two lifting nut part 6A, the internal thread of lifting nut part 6A and the external thread dimensional fits of screw mandrel, body portion and a lifting nut part 6A of active screw mandrel 4A are rotationally connected, body portion and another lifting nut part 6B of passive screw mandrel 4B are rotationally connected, and the two ends of lifting shaft 5 are respectively fixedly connected with a lifting nut part 6A;
Described rotation pushing equipment comprises: push motor 7, pushes drive disk assembly 8, drive roll 9, passive cylinder 10, transition cylinder 11, push belt 12, and rotates propelling movement framework 13; Propelling movement motor 7 pushes framework 13 with rotation and is fixedly connected with; The two ends of the two ends of drive roll 9, the two ends of passive cylinder 10, transition cylinder 11, push framework 13 with rotation respectively separately and are rotationally connected; Drive roll 9, passive cylinder 10 and transition cylinder 11, the axial connecting line of these three cylinders is triangular in shape, and push belt 12 is wrapped in the outside of aforementioned three cylinders and forms closed triangle; Described lifting shaft 5, it is coaxial with transition cylinder 11, and its body portion is through within transition cylinder 11, and itself and transition cylinder 11 are rotationally connected;
Push motor 7 to be in transmission connection with drive roll 9 by pushing drive disk assembly 8;
Described press mechanism comprises resilient intermediate pressure means; Press mechanism is fixedly connected with frame 1; Resilient intermediate pressure means in press mechanism supports with rotating frame 13 elasticity and is connected;
The terminals of height detecting device are electrically connected with automation control circuit.
Main points of the present invention describe as above; Remake relevant description and interpretation below.
First point.
In the present invention, rotating pushing equipment is core, and its key point is: the bulging degree of packaging bag is higher, rotates propelling movement framework 13 and is just lifted higher, or says that rotating propelling movement framework 13 just upwards rotates larger.
Due to the packaging bag product on production line, frequent transform size specification, the packaging bag thickness after inflation can change, and in order in response to various situations like this, is provided with jacking equipment, thus makes rotation pushing equipment be in required height; In addition, there is jacking equipment, also can bring a lot of facility to the manufacture of invention system and debugging.
Rotate pushing equipment and jacking equipment, will elaborate after their principle of work.
Second point.
Fig. 1 is one of schematic diagram rotating pushing equipment; In Fig. 1, the downward unidirectional large arrow of upper right quarter represents by press mechanism rotating frame 13 applied pressure; The four-headed arrow representative of arc in Fig. 1: rotating frame 13 and rotation pushing equipment thereof, they rotate swing around the axial line of transition cylinder 11; There are two unidirectional small arrows the position, middle and lower part of Fig. 1, and small arrow above represents the direction of motion of push belt 12, below small arrow represent the direction of motion of conveying belt 2 in conveying device.
Fig. 2 is the schematic diagram two rotating pushing equipment.
Fig. 3 is the schematic perspective view that Fig. 1 has made omission, simplify processes.
Thirdly.
As shown in Figure 1, tested gas flushing pouch, moves from left to right under the drive of conveying belt 2.Gas flushing pouch A point place in FIG, touches push belt 12 above, then under the clamping of upper and lower two belts, continues to move right; Simultaneously, the gas flushing pouch of bulging produces reacting force upwards under the downward pressure of push belt 12, conversely, makes push belt 12 receive thrust upwards, therefore, rotating frame 13 and rotation pushing equipment thereof in the lump by counterclockwise rotating, or are referred to as to swing.
Press mechanism applies downward pressure to rotating frame 13; Rotating frame 13 pairs of drive rolls 9, passive cylinder 10 and transition cylinder 11 apply downward pressure, finally cause push belt 12 to occur downward pressure.
If take the earth as reference, rotating frame 13 is determined a suitable checkpoint, and the B point in such as Fig. 1 and Fig. 2, comparison diagram 1 and Fig. 2, height dimension H2 is greater than height dimension H1.If be not reference with the earth, change into suitable point of fixity a certain in frame as reference, also can draw the conclusion of similarity.
Further, in fig. 2, with a collection of gas flushing pouch, without the equal height that can meet or exceed certain X value of gas leakage; Otherwise, if any the packaging bag of gas leakage, all do not reach the height of this X value; So, detect the B point height in Fig. 2, just can learn whether tested gas flushing pouch also exists leakage problem.
By detecting the height (or claim lift height) that rotating frame 13 rotates, just can learn whether packaging bag leaks gas; The point of concrete detection can be a lot, are not necessarily defined as the B point in Fig. 1 and Fig. 2, and the methods detected are also a lot.In the present invention, height detection is carried out by height detecting device 3.Height detecting device is reported to automation control circuit by detecting the elevation information obtained; After automation control circuit is learnt, remake further subsequent treatment.
4th point.
When gas flushing pouch is subject to the pressure of upper and lower two belts simultaneously, be also subject to the Friction thrust of upper and lower two belts, so can not be stuck simultaneously.If thinking design routinely, only has pressure above and without thrust, then tested gas flushing pouch easily blocks, thus causes fault; Even if temporarily do not occur the fault blocked, but occur friction pulling force backward above also appearing in, easily gas flushing pouch is caused and tear.
In the present invention, upper and lower two belts clamping gas flushing pouch also travels forward simultaneously, and namely say, upper and lower two belts have thrust simultaneously, are the distinctive features of technical scheme.
5th point.
See Fig. 1 and Fig. 3.Drive roll 9, passive cylinder 10 and transition cylinder 11, the axial connecting line of these three cylinders is triangular in shape, and push belt 12 is wrapped in the outside of aforementioned three cylinders and forms closed triangle.
Observation Fig. 1 is known: leg-of-mutton design, and tested gas flushing pouch can be made to enter the region of upper and lower two belts smoothly.
6th point.
Rotate the Complex Parts pushing framework 13 and can be designed to be made up of multi-blocked structure plate, when manufacturing and designing, good rigidity also will be considered, such as following situation in a lot of place.
Drive roll 9, passive cylinder 10 and transition cylinder 11, there are two pieces of installing plates at their two ends; Contiguous block is also had between these two pieces of installing plates.Aforesaid two pieces of installing plates and contiguous block, need between them to consider there is good rigidity, to ensure having good, overall rigidity when rotating.
In the present invention, rotate propelling movement framework 13 and can be designed to a lot of pattern, above-mentioned situation is only one of them situation.
7th point.
Drive roll and passive cylinder also can be referred to as driving wheel and follower.
8th point.
Propelling movement motor 7 can be transmitted with drive roll 9 by propelling movement drive disk assembly 8 and be connected, and drives drive roll 9 to rotate; Drive roll 9 drives push belt 12, passive cylinder 10 and transition cylinder 11 to rotate in the lump again.
Manufacturing and designing and should consider, when clamping gas flushing pouch up and down, preferably can accomplish: push belt 12 above and conveying belt 2 below keep identical movement velocity.
9th point.
In jacking equipment, rotate forward initiatively screw mandrel 4A and lifting nut part 6A can be made to increase; Rotating backward initiatively screw mandrel 4A can make lifting nut part 6A decline.
When rotating active screw mandrel 4A, by Timing Belt assembly, passive screw mandrel 4B is also together rotated.Initiatively screw mandrel 4A rotates forward, drives passive screw mandrel 4B also to rotate forward, and makes two lifting nut part 6A increase together with lifting shaft 5; Otherwise initiatively screw mandrel 4A rotates backward, drives passive screw mandrel 4B also to rotate backward, and makes two lifting nut part 6A decline together with lifting shaft 5.
Because lifting shaft 5 can rise, also can fall, also can rise or fall so rotate pushing equipment, to adjust height, adapt to the gas flushing pouch of different-thickness size.
10th point.
About the situation of rotating pushing equipment and jacking equipment, can understand see Fig. 3, Fig. 4 and Fig. 5.Fig. 3 is the sectional perspective schematic diagram rotating pushing equipment; Fig. 4 is the schematic perspective view that jacking equipment has made omission, simplify processes; Fig. 5 is the schematic perspective view that the rotation pushing equipment of Fig. 3 and the jacking equipment of Fig. 4 fit together.
Ten one point.
The machine of hardware, all needs frame usually; The premiere feature of frame is to provide the structure of installation.When arranging frame, the shelf of character of finding a place to live in can be had, table top, workplace can also be had; Further, the support of various uses can also be had, etc.
Suppose, containing table top and various support in frame, and they have all been fixed and have been connected to; If add certain parts of having come in again later, and these parts are once be fixedly connected with frame, or be fixedly connected with table top, or be fixedly connected with a certain support, so, the parts of coming in are added, spatially, its position just secures, and the spatial relationship of it and frame, table top, each support also all secures.
The partial content of technical solution of the present invention describes: press mechanism comprises resilient intermediate pressure means; Press mechanism is fixedly connected with frame 1; Resilient intermediate pressure means in press mechanism supports with rotating frame 13 elasticity and is connected.
Above-mentioned partial content is described, illustrates as follows.
" resilient intermediate pressure means in press mechanism and rotating frame 13 elasticity support be connected ", thus pressure is applied to rotating frame 13 1..
2. " press mechanism is fixedly connected with frame 1 ", can be that press mechanism is fixedly connected with machine shelf, also can be that press mechanism is fixedly connected with table top, can also be that press mechanism is fixedly connected with certain support.Press mechanism itself will be fixedly connected with, and then could support rotating frame 13 elasticity and connect.
Above, main points of the present invention are made the general description, and interpretation; Below, relevant description, description and interpretation are done to other technologies problem of the present invention.
One, one of further technical scheme.
Technical scheme describes.Described press mechanism comprises: press down support 21, nut part 22, screw element 23, and lower pressing spring 24; Nut part 22 with press down support 21 and be fixedly connected with; Screw element 23 is spun in nut part 22; Lower pressing spring 24, its inside is installed with screw element 23, and its upper end is supported with nut part 22 elasticity and is connected, and its lower end and rotation push framework 13 elasticity to being connected; Press down support 21 to be fixedly connected with described frame 1, or described frame 1 comprises working plate 14, press down support 21 and be fixedly connected with described working plate 14.
The description and interpretation of technical scheme.See Fig. 6, Fig. 7, Fig. 8 and Fig. 9, technique scheme can be understood.
Fig. 6 is one of schematic diagram of press mechanism, and the support 21 that presses down in this figure adds beam structure, also referred to as gantry frame structure for twin columns.
Fig. 7 is the schematic perspective view of Fig. 6.
Fig. 8 presses down support 21 for single-column structure, also referred to as one-armed structure in the schematic diagram two, this figure of press mechanism.
Fig. 9 is the screw element 23 used in the technical program.
Two, further technical scheme two.
Technical scheme describes.Described press mechanism comprises: press down support 21, nut part 22, is provided with the screw element 23 of fixing structure, and lower pressing spring 24; Press down support 21 to be fixedly connected with described frame 1, or described frame 1 comprises working plate 14, press down support 21 and be fixedly connected with described working plate 14; Nut part 22 with press down support 21 and be fixedly connected with; The top of screw element 23 is spun in nut part 22; Lower pressing spring 24, its inside is installed with screw element 23, and its upper end is supported with the fixing structure elasticity of screw element 23 and is connected, and its lower end and rotation push framework 13 elasticity to being connected; Described height detecting device comprises: displacement support 25, sensor 26, and Bracket for Inspection 27; The terminals of sensor 26 are connected with automation control circuit by wire; Bracket for Inspection 27 with press down support 21 detachable and be fixedly connected with; The first end of displacement support 25 pushes framework 13 with rotation and is fixedly connected with; Displacement support 25 second end, its facilities be following any one in both: a. displacement support 25 second end is disposed adjacent with Bracket for Inspection 27, and at adjacent sensor installation 26; B. displacement support 25 second end and Bracket for Inspection 27 do being oppositely arranged of clear, and arrange sensor 26 between displacement support 25 second end and Bracket for Inspection 27.
Technical scheme description and interpretation are as follows.
1. be provided with the screw element 23 of fixing structure, can have multiple specific practice, below giving some instances is described.
Figure 10 is one of schematic diagram being provided with fixing structure screw element.
Figure 11 is the schematic diagram that Figure 10 screw element is inserted in lower pressing spring 24.
Figure 12 is that the screw element of the schematic diagram two, Figure 12 being provided with fixing structure screw element is inserted in lower pressing spring 24, compare with Figure 11, a gasket features more than in Figure 12.
Figure 13 is the schematic diagram three being provided with fixing structure screw element, and in fig. 13, gasket features is all equipped with in the two ends of lower pressing spring 24.
Be provided with the situation of fixing structure about screw element, except introducing above, also have other mode, such as: perforate in screw element also installs seam pin.
2. Figure 14 is that screw element in the schematic diagram three, this figure of press mechanism is provided with fixing structure, and its screw element as shown in figure 12; If the screw element in Figure 14 manufacture and design for shown in Figure 11 or Figure 13 shown in, be also fine.
3. see Figure 14, if rotary screw part 23, then screw element 23 or rise or decline, its benefit is: be applied to rotate and push framework 13 elastic pressure and can become greatly, also can diminish.
4. be one of schematic diagram of press mechanism and height detecting device see Figure 15, this figure.
Three, further technical scheme three.
Technical scheme describes.Described system comprises: the removal equipment of rejecting the gas flushing pouch 50 of gas leakage; Removal equipment is arranged on the outlet orientation of described system; Described removal equipment comprises: first, second and third: described first rejects actuating unit, and it contains rejecting power motor; Described second is two and rejects rotation axis mechanism, and each is rejected rotation axis mechanism and all rejects rotation axis 51 containing one; Described third is two rejects execution unit 52, and each rejecting execution unit 52 is rejected rotation axis 51 with one respectively and is fixedly connected with; The output shaft of rejecting power motor is fixedly connected with rejecting rotation axis, or the output shaft of rejecting power motor realizes being in transmission connection by drive disk assembly with rejecting rotation axis; The terminals of rejecting power motor are electrically connected by wire with automation control circuit.
Technical scheme description and interpretation are as follows.
1. introduce above, present system, by height detecting device 3 and automation control circuit, can detect and know whether gas flushing pouch 50 also exists gas leakage; On the production line of reality, gastight gas flushing pouch 50 also to be allowed to let pass and to pass through, and the gas flushing pouch 50 of gas leakage is rejected, namely the gas flushing pouch 50 of gas leakage be picked out, concentrate rear otherwise processed.
2. when learning that the packaging bag 50 of current detection is gas leakage, automation control circuit rejects power motor action by wire order, rejecting rotation axis 51 is rotated, and drives rejecting execution unit 52 to rotate, thus make the packaging bag 50 of gas leakage reject out, afterwards, automation control circuit is ordered and is rejected power motor homing action, makes rejecting rotation axis 51 and reject execution unit 52 to be all reset to original state, so that next packaging bag 50, or pass through and keep straight on, or not pass through and disallowable.
Rejecting gas leakage packaging bag 50 out, can disposing as falling down, and fall in the casing of a storage, in due course, more concentrated subsequent treatment is carried out to the gas leakage packaging bag 50 in case.
Above-mentioned correlation circumstance, the right part see Figure 18 is understood.When packaging bag 50 let pass by, number in the figure is 52 two and rejects execution units as shown by the solid line; When packaging bag 50 is not passed through and rejected, two rejecting execution units 52 are shown in dotted line.
Be drawn on two circular arc four-headed arrows of rejecting execution unit 52 place, its display is rejected rotation axis 51 and is rejected the rotation situation of execution unit 52.
3. two are rejected execution unit 52 is synchronization action.
4. reject power motor and can use two, while automation control circuit under order, synchronous axial system two rejects power motor, and synchronous axial system rejects rotation axis 51, finally reaches synchronous axial system two and rejects execution unit 52.
Reject power motor and also only can use one, so, then also need to support the use synchronization section; After automation control circuit assigns action command, under the cooperation of synchronization section, synchronous axial system two rejects rotation axis 51, and then synchronous axial system two rejects execution unit 52.
Embodiment one
Composition graphs 1, Fig. 2, Figure 17, Figure 18 and Figure 19 are described.
Fig. 1 is one of partial schematic diagram rotating pushing equipment; Fig. 2 is the partial schematic diagram two rotating pushing equipment; Figure 17 is the schematic diagram of invention system in the present embodiment; Figure 18 is the vertical view of Figure 17; Figure 19 is the left view of Figure 17.
In fig. 17, tested gas flushing pouch 50, it moves from left to right under the conveying of conveying belt 2, and its situation also can see Fig. 1.Then, packaging bag 50 also touches push belt 12, and under the common clamping of push belt 12 and conveying belt 2, continues to move ahead to the right.
In Fig. 2 and Figure 17, passive cylinder 10 and push belt 12, under the promotion of the reacting force of packaging bag 50, are upwards rotated, and the axial line of rotation is the axial line of lifting shaft 5, are also the axial lines of transition cylinder 11.Passive cylinder 10, push belt 12 and rotation push framework 13, and this three upwards rotates together, as depicted in figs. 1 and 2.
Above-mentioned three can rotate and be raised to corresponding height by gastight packaging bag 50; Otherwise above-mentioned three cannot rotate and be raised to corresponding height by the packaging bag 50 of gas leakage.So, detect the rotation lifting situation of rotating and pushing framework, just can learn whether packaging bag 50 leaks gas.
In fig. 17, label is that the some position of C is motionless, and label is that the point of D moves along with rotating the rotation pushing framework 13; If packaging bag gas leakage, then rotate push framework 13 rotational angle just little, even do not rotate, so the relative position of C point and D point changes just little, does not even change; Otherwise if packaging bag is air tight, then rotates and just push framework 13 rotational angle greatly, so the relative position change of C point and D point just greatly.
Size can be changed from the relative position of C point and D point, judge whether gas leakage.Gastight packaging bag 50 can detect to be passed through; The packaging bag 50 of gas leakage is detected, and disallowable execution unit 52 sorts out.Reject sorting as shown on the right side of Figure 18.
Two elevator chambers 15, if be provided with boxboard in their faces in opposite directions, just need to offer avoiding structure, move up and down for lifting shaft 5; If the elevator chamber 15 of designed manufacture does not hinder lifting shaft 5 to move up and down, illustrate that elevator chamber 15 contains avoiding structure.
Embodiment two
Composition graphs 4, Fig. 5, Figure 17, Figure 18 and Figure 19 are described.
Fig. 4 is the schematic perspective view that jacking equipment has made omission, simplify processes; Fig. 5 is the schematic perspective view that the rotation pushing equipment of Fig. 3 and the jacking equipment of Fig. 4 fit together; Figure 17 is the invention system schematic diagram in embodiment one; Figure 18 is the vertical view of Figure 17; Figure 19 is the left view of Figure 17.
When using present system, if the model specification of tested packaging bag 50 changes, the thickness of particularly packaging bag 50 there occurs larger change, needs rotation pushing equipment etc. to be carried out raising by a relatively large margin or reduction; In order to meet the requirement of this type of situation of change, in the present invention, being provided with jacking equipment, carrying out the introduction of being correlated with below.
Raise or reduce lifting shaft 5, just can raise or reduce rotation pushing equipment.
At system stalls and power-off, rotate handwheel 16, initiatively screw mandrel 4A is rotated simultaneously, and under the effect of Timing Belt assembly, passive screw mandrel 4B is also rotated simultaneously.
Screw mandrel rotates, and the lifting nut part 6A being positioned at a rod body is forced to do the lifting moving of sliding property.Because the inwall of elevator chamber 15 is rectangular, the rectangular profile of its inwall rectangle and lifting nut part 6A coincide and dimensional fits, so lifting nut part 6A itself cannot do relative rotation with elevator chamber 15, lifting nut part 6A can only carry out relative lifting moving in elevator chamber 15.
Two lifting nut part 6A synchronously carry out rising and move or decline mobile, so, lifting shaft 5 is also carried out, and rising is mobile or decline is mobile, and synchronously moves the while of being the two ends of lifting shaft 5, reach the functional purpose of hope thus, namely raise or reduce and rotate pushing equipment.
The rising of lifting shaft 5 or decline, rotate rising or the decline of pushing equipment exactly, now carry out correlation circumstance explanation: the first, lifting shaft 5, it is coaxial with transition cylinder 11, and its body portion is through within transition cylinder 11, and itself and transition cylinder 11 are rotationally connected; The second, the two ends of transition cylinder 11 push framework 13 with rotation respectively and are rotationally connected.
Finally to say, when the height control of lifting shaft 5 puts in place, when the height control of namely rotating pushing equipment completes, latch mechanism also should be used to be locked by the height and position of lifting shaft 5., one is prevent screw mandrel from walking about lentamente voluntarily, and height and position is changed, and two is consider from safety in production angle, occurs to prevent mishap.The main points of locking are: screw mandrel can not be rotated, and for this reason, the technical method that can take has two kinds.First method is, arranges anchor ear parts between screw mandrel and elevator chamber 15, and unclamping anchor ear can rotary screw rod thus regulate the height of lifting shaft 5; Tighten up anchor ear, screw mandrel can be made to fix, cannot rotate again, thus the height and position of locking lifting shaft 5.Second method is, between screw mandrel and elevator chamber 15, arrange bolt member, and unclamping bolt can rotary screw rod thus regulate the height of lifting shaft 5; Tight a bolt, screw mandrel can be made to fix, cannot rotate again, thus the height and position of locking lifting shaft 5.
Generally speaking, that locking is active screw mandrel 4A; But, be also fine if lock passive screw mandrel 4B.
Embodiment three
A certain invention system, is also provided with operating display in automation control circuit, has setting height column and current detection height column in display screen; Further, the packaging bag data be detected all are saved, and can take out and analyze.In height column, can artificial setup parameter; In current detection height column, display be the last packaging bag data detected.This certain invention system has carried out preliminary debugging, and whole system can tentatively be run.
When meticulous debugging, employ the packaging bag of some, wherein have gastight packaging bag, also have the packaging bag of gas leakage, carry out test repeatedly.Height detecting device 3 test result shows: every gastight packaging bag, and its height value is all greater than 33 millimeters; The packaging bag of every gas leakage, its height value is all less than 27 millimeters.In gastight packaging bag, take out again one of them packaging bag and repeatedly test, test result is, this gastight packaging bag, detecting the maximum height value obtained is 34.1 millimeters, and minimum height values is 33.9 millimeters, these data show, system or more stable, reliable.
Then, operating personnel are in the height column of display screen, and the data of setting are 33 millimeters; Then, this invention system is done packaging bag gas leakage and is detected on streamline, and effect is fine.Detect through this invention system and divide the packaging bag of returning two classes (gas leakage class and air tight class), then through manually examining one by one, all accurate.
For above situation, for further analysis more below.
1. the height detecting device 3 of invention system is not the metering outfit of a standard, the height dimension data that it draws, the accuracy whether met in metrology meaning is not emphasis; Emphasis is that system and height detecting device 3 thereof are tested repeatedly to same packaging bag, its data whether high superposed, if data high superposed, in total data, error between maximal value and minimum value is very little, then illustrative system and height detecting device are stable and reliable.
2. invention system and height detecting device, their task is that gas leakage packaging bag and gastight packaging bag identification are come; Only meeting under this prerequisite required, height set in display screen is just meaningful; In other words, when the meticulous debugging of system, the height set in display screen can be constantly grope to try, until two classes (gas leakage class and air tight class) packaging bag can set out by setting data like clockwork that finally determine.
3. rotate by detecting rotation propelling movement framework 13 height lifted, thus learn the thickness of packaging bag in pressurized situation, finally know whether packaging bag leaks gas, such method is the leak detection method of preferential recommendation of the present invention; But the present invention also has other method multiple, as by the height detecting passive cylinder 10 and lift, also can learn the depth information of packaging bag in pressurized situation, finally also can know whether packaging bag leaks gas; Like this detect rotate (or say lift) cause the method for height change, all belong to the scope of protection of the invention, by the present invention is covered.
4. detect to rotate and push the height that framework 13 rotates (lifting), have various ways method; With regard to its sensor or probe, there are electromagnetic type, eddy current type, condenser type, inductance type, Hall-type, etc.
Embodiment four
Be described in conjunction with Figure 15.
In Figure 15, Bracket for Inspection 27 and the article installed above maintain static, and displacement support 25 and the article installed above are moved along with the rotation of rotating propelling movement framework 13.Between Bracket for Inspection 27 and displacement support 25, sensor installation just can record the rotation situation of rotating and pushing framework 13, and is reported to automation control circuit.
Embodiment five
Be described in conjunction with Figure 16.
In Figure 16, Bracket for Inspection 27 and the article installed above maintain static, and displacement support 25 and the article installed above are moved along with the rotation of rotating propelling movement framework 13.The distance that laser sensor just can record L1 is installed between Bracket for Inspection 27 and displacement support 25, thus learns the rotation situation of rotating and pushing framework 13, and report automation control circuit.
Embodiment six
Technical scheme: described system comprises Guo Dian testing agency 53; Described Guo Dian testing agency 53, it is arranged on the position that tested packaging bag 50 is advanced, and it is electrically connected with automation control circuit; The described position of advancing refers to that packaging bag 50 is subject to the position of push belt 12 compressing.
The present embodiment will be described technique scheme and explain.
The schematic diagram of Figure 20 Shi Guodian testing agency 53 facilities; At the upper right quarter of Figure 20, downward unidirectional large arrow represents by press mechanism rotating frame 13 applied pressure; There are two unidirectional small arrows the position, middle and lower part of Figure 20, and small arrow above represents the direction of motion of push belt 12, below small arrow represent the direction of motion of conveying device conveying belt 2; The small circle of label 53 represents Guo Dian testing agency, or represents the sensor in Guo Dian testing agency, or represents the probe of sensor in Guo Dian testing agency.
From packaging bag 50 is transferred band 2 and push belt 12 clamps jointly, rotate and push framework 13 with lifting shaft 5 axial line (being also transition cylinder 11 axial line) simultaneously for the center of circle rotates counterclockwise, and when packaging bag 50 departs from push belt 12 to the right time, rotate propelling movement framework 13 and rotate clockwise.Therefore, rotate and push framework 13 all the time in swing, the moment is engraved in generation change in location at that time, can obtain continuous print data group from height detecting device 3, if be connected on the top of data, will be rendered as the shape of curve, so, and how really unique given data?
The measure of invention is: when tested packaging bag 50 arrives the position at small circle place, automation control circuit is reported after detecting and learning immediately by Guo Dian testing agency 53, automation control circuit arrives the moment of small circle for spending the some moment with packaging bag 50, and assert that height detecting device 3 is unique data in the data that this moment obtains.When automation control circuit adopts intelligent parts, such as employing CPU's is easily accomplish this point.
Now be described for two examples below.
First example.When Guo Dian testing agency 53 detects and learns that packaging bag 50 arrives small circle, send out a pulse signal to automation control circuit immediately.Before not receiving pulse signal, although height detecting device 3 is constantly to automation control circuit report elevation information, automation control circuit is all ignored; Only when receiving pulse signal, automation control circuit just receives the report of a present level information, and for a tested packaging bag, this is unique elevation information.
Second example.Height detecting device 3 is constantly to automation control circuit report elevation information, and elevation information and temporal information are preserved by automation control circuit in the lump.When Guo Dian testing agency 53 detects and learns that packaging bag 50 arrives small circle, send out a pulse signal to automation control circuit.Automation control circuit, in the information of preserving, finds the elevation information corresponding with time pulse signal, and is unique valid data with this elevation information.
Is how Guo Dian testing agency 53 is detected learnt that packaging bag 50 arrives small circle? its scheme is a lot, existing for optical detection principle, is described.
In the both sides of small circle, side arranges infrarede emitting diode, and opposite side arranges infrared receiving diode.When not having packaging bag 50 to block, the Infrared that infrarede emitting diode sends, is received by infrared receiving diode.Once packaging bag 50 arrives small circle place, because light is blocked, infrared receiving diode can not receive Infrared, and Guo Dian testing agency 53 just to automation control circuit report, namely sends a pulse signal.
Claims (6)
1. a gas flushing pouch air leakage detection system, comprising: frame (1), containing the conveying device of conveying belt (2), and automation control circuit;
It is characterized in that: comprising: upper unit and height detecting device (3);
Described upper unit is positioned at the top of conveying belt (2); Upper unit comprises: jacking equipment, rotates pushing equipment, and press mechanism;
Described jacking equipment comprises: containing the active screw body of active screw mandrel (4A), containing the passive-type screw body of passive screw mandrel (4B), realize the Timing Belt assembly of passive screw mandrel (4B) and active screw mandrel (4A) synchronous rotary, the lifting shaft assembly of rise and fall is made when screw mandrel rotates, and jacking equipment support; Described lifting shaft assembly comprises: lifting shaft (5) and two lifting nut parts (6A), the internal thread of lifting nut part (6A) and the external thread dimensional fits of screw mandrel, body portion and a lifting nut part (6A) of active screw mandrel (4A) are rotationally connected, body portion and another lifting nut part (6B) of passive screw mandrel (4B) are rotationally connected, and the two ends of lifting shaft (5) are respectively fixedly connected with a lifting nut part (6A);
Described rotation pushing equipment comprises: push motor (7), push drive disk assembly (8), drive roll (9), passive cylinder (10), transition cylinder (11), push belt (12), and rotate propelling movement framework (13); Propelling movement motor (7) pushes framework (13) with rotation and is fixedly connected with; The two ends of the two ends of drive roll (9), passive cylinder (10), the two ends of transition cylinder (11), push framework (13) with rotation respectively separately and be rotationally connected; Drive roll (9), passive cylinder (10) and transition cylinder (11), the axial connecting line of these three cylinders is triangular in shape, and push belt (12) is wrapped in the outside of aforementioned three cylinders and forms closed triangle; Described lifting shaft (5), it is coaxial with transition cylinder (11), and its body portion is through within transition cylinder (11), and itself and transition cylinder (11) are rotationally connected;
Push motor (7) to be in transmission connection with drive roll (9) by pushing drive disk assembly (8);
Described press mechanism comprises resilient intermediate pressure means; Press mechanism is fixedly connected with frame (1); Resilient intermediate pressure means in press mechanism supports with rotating frame (13) elasticity and is connected;
The terminals of height detecting device are electrically connected with automation control circuit.
2. a kind of gas flushing pouch air leakage detection system according to claim 1, is characterized in that:
Described frame (1) comprises working plate (14);
Described lifting nut part (6A) is rectangular;
Described jacking equipment support comprises: two elevator chambers (15) vertically arranged and a handwheel (16); The shape of elevator chamber (15) rectangular cylinder, each elevator chamber (15) comprises top (15-1); The bottom of elevator chamber (15) is fixedly connected with working plate (14-1); Described elevator chamber (15), its inwall is rectangular, and the profile of this inwall rectangle and lifting nut part (6A) is coincide and dimensional fits; Two lifting nut parts (6A) lay respectively at two elevator chambers (15) inside, and each lifting nut part (6A) is all connected for sliding up and down with the elevator chamber (15) at place;
Elevator chamber (15) is offered the avoiding structure moved up and down for lifting shaft (5); The lower end of screw mandrel is connected with the lower rotational of elevator chamber (15), or the lower end of screw mandrel and working plate (14) are rotationally connected;
Described Timing Belt assembly comprises: Timing Belt (18) and two synchronizing wheels (19); Two synchronizing wheels (19) are fixedly connected with two rhizoid bars separately respectively, and Timing Belt (18) and two synchronizing wheels (19) are in transmission connection; Aforesaid two rhizoid bars refer to initiatively screw mandrel (4A) and passive screw mandrel (4B);
The upper end of passive screw mandrel (4B) and the top of elevator chamber are rotationally connected; The initiatively top of screw mandrel (4A), it passes the top (15-1) of elevator chamber (15), and it is fixedly connected with handwheel (16); Initiatively screw mandrel (4A) is rotationally connected with the top (15-1) of elevator chamber (15);
Initiatively be provided with latch mechanism between screw mandrel (4A) and elevator chamber (15), or, be provided with latch mechanism between passive screw mandrel (4B) and elevator chamber.
3. a kind of gas flushing pouch air leakage detection system according to claim 1, it is characterized in that: described press mechanism comprises: press down support (21), nut part (22), screw element (23), and lower pressing spring (24);
Nut part (22) with press down support (21) and be fixedly connected with; Screw element (23) is spun in nut part (22); Lower pressing spring (24), its inside is installed with screw element (23), and its upper end is supported with nut part (22) elasticity and is connected, and its lower end and rotation push framework (13) elasticity to being connected;
Press down support (21) to be fixedly connected with described frame (1), or described frame (1) comprises working plate (14), press down support (21) and be fixedly connected with described working plate (14).
4. a kind of gas flushing pouch air leakage detection system according to claim 1, is characterized in that:
Described press mechanism comprises: press down support (21), nut part (22), is provided with the screw element (23) of fixing structure, and lower pressing spring (24);
Press down support (21) to be fixedly connected with described frame (1), or described frame (1) comprises working plate (14), press down support (21) and be fixedly connected with described working plate (14);
Nut part (22) with press down support (21) and be fixedly connected with; The top of screw element (23) is spun in nut part (22); Lower pressing spring (24), its inside is installed with screw element (23), and its upper end is supported with the fixing structure elasticity of screw element (23) and is connected, and its lower end and rotation push framework (13) elasticity to being connected;
Described height detecting device comprises: displacement support (25), sensor (26), and Bracket for Inspection (27);
The terminals of sensor (26) are connected with automation control circuit by wire; Bracket for Inspection (27) with press down support (21) detachable and be fixedly connected with; The first end of displacement support (25) pushes framework (13) with rotation and is fixedly connected with;
Displacement support (25) second end, its facilities be following any one in both:
A. displacement support (25) second end is disposed adjacent with Bracket for Inspection (27), and in adjacent sensor installation (26);
B. displacement support (25) second end and Bracket for Inspection (27) do being oppositely arranged of clear, and arrange sensor (26) between displacement support (25) second end and Bracket for Inspection (27).
5. a kind of gas flushing pouch air leakage detection system according to claim 1, is characterized in that: described system comprises: the removal equipment of rejecting the gas flushing pouch (50) of gas leakage; Removal equipment is arranged on the outlet orientation of described system;
Described removal equipment comprises: first, second and third: described first rejects actuating unit, and it contains rejecting power motor; Described second is two and rejects rotation axis mechanism, and each is rejected rotation axis mechanism and all rejects rotation axis (51) containing one; Described third is two rejects execution unit (52), and each rejecting execution unit (52) is rejected rotation axis (51) respectively and is fixedly connected with one;
The output shaft of rejecting power motor is fixedly connected with rejecting rotation axis (51), or the output shaft of rejecting power motor realizes being in transmission connection by drive disk assembly with rejecting rotation axis (51);
The terminals of rejecting power motor are electrically connected by wire with automation control circuit.
6. a kind of gas flushing pouch air leakage detection system according to claim 1, is characterized in that: described system comprises Guo Dian testing agency (53); Described Guo Dian testing agency (53), it is arranged on the position that tested packaging bag (50) is advanced, and it is electrically connected with automation control circuit; The described position of advancing refers to the position that packaging bag (50) is subject to push belt (12) and oppresses.
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| CN106768735A (en) * | 2016-12-30 | 2017-05-31 | 北京卡达克数据技术中心 | A kind of gas sampling bag leak detection apparatus and detection method |
| CN108387349A (en) * | 2018-05-28 | 2018-08-10 | 杭州国辰机器人科技有限公司 | A kind of food service industry set mark general air leakage detection system of film |
| CN108502275A (en) * | 2018-03-22 | 2018-09-07 | 浙江金正检测有限公司 | A kind of gas leakage detection device of gas flush packaging food |
| CN108692894A (en) * | 2018-04-23 | 2018-10-23 | 苏州澳昆智能机器人技术有限公司 | Ice cream packaging bag gas leak detection device |
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| CN115582290A (en) * | 2022-11-23 | 2023-01-10 | 四川墨比品牌优创科技有限公司 | Device, system and method for detecting air leakage of bagged fluid food and storage medium |
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| CN106768735A (en) * | 2016-12-30 | 2017-05-31 | 北京卡达克数据技术中心 | A kind of gas sampling bag leak detection apparatus and detection method |
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| CN108692894A (en) * | 2018-04-23 | 2018-10-23 | 苏州澳昆智能机器人技术有限公司 | Ice cream packaging bag gas leak detection device |
| CN108709706A (en) * | 2018-04-23 | 2018-10-26 | 苏州澳昆智能机器人技术有限公司 | Ice cream packaging bag leak detection method and detection device |
| CN109000864A (en) * | 2018-04-23 | 2018-12-14 | 苏州澳昆智能机器人技术有限公司 | Ice cream packaging bag leak detection method and detection system |
| CN108709706B (en) * | 2018-04-23 | 2021-03-05 | 苏州澳昆智能机器人技术有限公司 | Air leakage detection method and detection device for ice cream packaging bag |
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| CN108387349B (en) * | 2018-05-28 | 2023-11-24 | 杭州国辰机器人科技有限公司 | General gas leakage detecting system of food industry cover mark membrane |
| CN109141209A (en) * | 2018-08-06 | 2019-01-04 | 厦门金德威包装有限公司 | The detection device of packaging bag |
| CN109141209B (en) * | 2018-08-06 | 2023-11-21 | 厦门金德威包装有限公司 | Detection device for packaging bag |
| CN113562247A (en) * | 2021-08-18 | 2021-10-29 | 黄山学院 | Efficient food processing packing apparatus |
| CN115582290A (en) * | 2022-11-23 | 2023-01-10 | 四川墨比品牌优创科技有限公司 | Device, system and method for detecting air leakage of bagged fluid food and storage medium |
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