CN113418666A - Sealing performance tester containing gas buffering and impact testing structure - Google Patents

Sealing performance tester containing gas buffering and impact testing structure Download PDF

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Publication number
CN113418666A
CN113418666A CN202110794728.6A CN202110794728A CN113418666A CN 113418666 A CN113418666 A CN 113418666A CN 202110794728 A CN202110794728 A CN 202110794728A CN 113418666 A CN113418666 A CN 113418666A
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CN
China
Prior art keywords
container
gas buffer
gas
pressure
control valve
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Withdrawn
Application number
CN202110794728.6A
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Chinese (zh)
Inventor
宋红燕
李鹏
张琪璐
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Jinan Hanshengjiyan Technology Co ltd
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Jinan Hanshengjiyan Technology Co ltd
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Priority to CN202110794728.6A priority Critical patent/CN113418666A/en
Publication of CN113418666A publication Critical patent/CN113418666A/en
Withdrawn legal-status Critical Current

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00Investigating fluid-tightness of structures
    • G01M3/02Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/26Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
    • G01M3/32Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for containers, e.g. radiators
    • G01M3/3236Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for containers, e.g. radiators by monitoring the interior space of the containers
    • G01M3/3272Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for containers, e.g. radiators by monitoring the interior space of the containers for verifying the internal pressure of closed containers
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00Investigating fluid-tightness of structures
    • G01M3/02Investigating fluid-tightness of structures by using fluid or vacuum
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00Investigating fluid-tightness of structures
    • G01M3/02Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/26Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
    • G01M3/32Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for containers, e.g. radiators
    • G01M3/3209Details, e.g. container closure devices

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)

Abstract

The invention provides a sealing performance tester comprising a gas buffering and impact testing structure. The sealing performance tester including the gas buffering and impact testing structure includes: the device comprises a pressure controller, a gas buffer container, a sealed test container and an emptying pipeline, wherein the output end of the pressure controller is connected with the front end of the gas buffer container, and the input end of the emptying pipeline is connected with the output end of the sealed test container. The sealing performance tester comprising the gas buffering and impact testing structure provided by the invention can utilize the gas buffering container to store energy at positive pressure or negative pressure and then carry out positive pressure or negative pressure quick impact on the sealing testing container so as to realize the testing of the sealing performance under the positive pressure or negative pressure quick impact.

Description

Sealing performance tester containing gas buffering and impact testing structure
Technical Field
The invention relates to the technical field of package sealing performance testing, in particular to a sealing performance tester comprising a gas buffering and impact testing structure.
Background
When the packaging is carried out, a sealing performance tester is required to be used, and the sealing performance tester is also called as an air tightness detector or a leakage tester, and is mainly suitable for sealing tests of packaging bags, bottles, pipes, tanks, boxes and the like in the industries of food, pharmacy, medical instruments, daily chemicals, automobiles, electronic components, stationery, consumer electronics and the like.
The sealing performance tester mainly detects the sealing performance under positive pressure and negative pressure by an air source and a pipeline during testing.
At present, the sealing performance tester receives the restriction of air supply and pipeline can't realize boosting fast and step down when the test, can't carry out the quick impact test of sealing performance under malleation and the negative pressure to the test sample, in addition, current sealing performance tester all adopts the air supply directly to give sealed test container air feed, air supply and air supply pipeline can lead to the pressure sensor erroneous judgement in the sealing performance tester when having pressure fluctuation, wrong test result appears, moreover because present sealing performance tester adopts direct air feed, be difficult to realize slowly boosting and step down the demand among the sample test process.
Therefore, it is necessary to provide a sealing performance tester including a gas cushion and impact testing structure to solve the above technical problems.
Disclosure of Invention
The invention provides a sealing performance tester comprising a gas buffering and impact testing structure, which solves the problem that a test sample cannot be subjected to positive pressure and negative pressure rapid impact testing during the sealing performance test.
In order to solve the above technical problems, the present invention provides a sealing performance tester including a gas buffering and impact testing structure, comprising: the device comprises a pressure controller, a gas buffer container, a sealed test container and an emptying pipeline, wherein the output end of the pressure controller is connected with the front end of the gas buffer container, and the input end of the emptying pipeline is connected with the output end of the sealed test container;
a first control valve connected between the output of the gas buffer vessel and the input of the seal test vessel;
the first pressure sensor is arranged at one end of the sealed test container and used for testing the pressure of the sealed test container;
and the second control valve is arranged on the emptying pipeline and is used for controlling the on-off of the air flow in the emptying pipeline.
Preferably, the gas buffer container is arranged on a branch of the output end of the pressure controller, and a third control valve is arranged on a pipeline branch of the gas buffer container and used for controlling the on-off of the gas buffer container and the pipeline branch.
Preferably, an input end of the first pressure sensor is connected to a main supply pipeline between the first control valve and the seal test container, and an input end of the evacuation pipeline is connected to the main supply pipeline between the first control valve and the seal test container.
Preferably, a second pressure sensor is arranged on the gas buffer container and used for detecting the gas pressure in the gas buffer container.
Preferably, one end of the gas buffer container is connected to a pipeline branch at the output end of the pressure controller through a third control valve.
Preferably, the first pressure sensor and the evacuation line are connected to a main supply line between the first control valve and the seal test container, respectively.
Preferably, a switching valve is disposed between the gas buffer container and the sealed test container, and one end of the switching valve is connected to an input end of the first pressure sensor.
Preferably, one end of the gas buffer container is connected to one end of the seal test container through a switching valve, and the switching valve is connected to the first pressure sensor.
Preferably, one end of the gas buffer container is connected to a pipeline branch at the output end of the first control valve through a switching valve, and the switching valve is equipped with the first pressure sensor.
Preferably, the sealing performance tester body including the gas buffering and impact testing structure comprises, in use: the box body is provided with a container cavity and a connecting sliding chute; the surface of the limiting sliding shaft is fixed on the inner wall of the connecting sliding chute; the connecting slide rod is arranged on the limiting slide shaft, and the top end of the connecting slide rod is fixedly connected with a connecting rod; one side of the supporting sliding plate is fixed at one end of the connecting rod, and the supporting sliding plate is provided with a catching groove; the bottom of the container body is fixed on the top of the support sliding plate; the cover plate is arranged on the box body.
Compared with the related art, the sealing performance tester comprising the gas buffering and impact testing structure provided by the invention has the following beneficial effects:
the invention provides a sealing performance tester comprising a gas buffering and impact testing structure, which can utilize a gas buffering container to store energy at positive pressure or negative pressure and then carry out positive pressure or negative pressure quick impact on a sealing testing container so as to realize the testing of the sealing performance under the positive pressure or negative pressure quick impact.
Drawings
FIG. 1 is a schematic structural view of a first embodiment of a sealing performance tester including a gas cushion and impact test structure according to the present invention;
FIG. 2 is a schematic structural view of a second embodiment of a sealing performance tester incorporating a gas cushion and impact test structure according to the present invention;
FIG. 3 is a schematic structural view of a third embodiment of a sealing performance tester incorporating a gas cushion and impact test structure according to the present invention;
FIG. 4 is a schematic structural view of a fourth embodiment of a sealing performance tester incorporating a gas cushion and impact test structure according to the present invention;
FIG. 5 is a schematic structural view of a fifth embodiment of a sealing performance tester incorporating a gas cushion and impact test structure according to the present invention;
FIG. 6 is a schematic structural view of a sixth embodiment of a sealing performance tester incorporating a gas cushion and impact test structure according to the present invention;
FIG. 7 is a schematic structural view of a seventh embodiment of a sealing performance tester incorporating a gas cushion and impact test structure according to the present invention;
FIG. 8 is a schematic structural view of an eighth embodiment of a sealing performance tester incorporating a gas cushion and impact test structure according to the present invention;
FIG. 9 is a schematic structural view of a ninth embodiment of a sealability tester incorporating a gas cushion and impact test structure of the present invention;
FIG. 10 is a three-dimensional view of a real-time configuration of a seal performance tester including a seal performance tester of the gas cushion and impact test configuration of the present invention;
FIG. 11 is a schematic view of the connection of the container body portions shown in FIG. 10;
FIG. 12 is an enlarged view of portion A of FIG. 11;
FIG. 13 is an enlarged view of portion B of FIG. 11;
FIG. 14 is a schematic diagram of a further preferred embodiment shown in FIG. 1;
fig. 15 is a schematic structural diagram of a further optimization scheme shown in fig. 14.
Reference numbers in the figures:
1. a pressure controller;
2. a gas buffer vessel;
3. a first control valve;
4. a first pressure sensor;
5. sealing the test container;
6. a second control valve;
7. evacuating the line;
8. a third control valve;
9. a second pressure sensor;
10. a switching valve;
100. a box body 110, a container cavity 120 and a connecting chute;
200. a limiting sliding shaft;
300. connecting a sliding rod 310 and a connecting rod;
400. a support sliding plate 410 and a buckle groove;
500. a container body;
600. a cover plate 610, a connecting hole;
700. a limiting rod 710 and a pressure sensing part.
Detailed Description
The invention is further described with reference to the following figures and embodiments.
Please refer to fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6, fig. 7, fig. 8, fig. 9, fig. 10, fig. 11, fig. 12, fig. 13, fig. 14 and fig. 15 in combination, wherein fig. 1 is a schematic structural diagram of a first embodiment of a sealing performance tester including a gas buffering and impact testing structure according to the present invention; FIG. 2 is a schematic structural view of a second embodiment of a sealing performance tester incorporating a gas cushion and impact test structure according to the present invention; FIG. 3 is a schematic structural view of a third embodiment of a sealing performance tester incorporating a gas cushion and impact test structure according to the present invention; FIG. 4 is a schematic structural view of a fourth embodiment of a sealing performance tester incorporating a gas cushion and impact test structure according to the present invention; FIG. 5 is a schematic structural view of a fifth embodiment of a sealing performance tester incorporating a gas cushion and impact test structure according to the present invention; FIG. 6 is a schematic structural view of a sixth embodiment of a sealing performance tester incorporating a gas cushion and impact test structure according to the present invention; FIG. 7 is a schematic structural view of a seventh embodiment of a sealing performance tester incorporating a gas cushion and impact test structure according to the present invention; FIG. 8 is a schematic structural view of an eighth embodiment of a sealing performance tester incorporating a gas cushion and impact test structure according to the present invention; FIG. 9 is a schematic structural view of a ninth embodiment of a sealability tester incorporating a gas cushion and impact test structure of the present invention; FIG. 10 is a three-dimensional view of a real-time configuration of a seal performance tester including a seal performance tester of the gas cushion and impact test configuration of the present invention; FIG. 11 is a schematic view of the connection of the container body portions shown in FIG. 10; FIG. 12 is an enlarged view of portion A of FIG. 11; FIG. 13 is an enlarged view of portion B of FIG. 11; FIG. 14 is a schematic diagram of a further preferred embodiment shown in FIG. 1; fig. 15 is a schematic structural diagram of a further optimization scheme shown in fig. 14.
Example 1:
a sealability tester incorporating a gas cushion and impact test structure comprising: the device comprises a pressure controller 1, a gas buffer container 2, a sealed test container 5 and an emptying pipeline 7, wherein the output end of the pressure controller 1 is connected with the front end of the gas buffer container 2, and the input end of the emptying pipeline 7 is connected with the output end of the sealed test container 5; a first control valve 3, said first control valve 3 being connected between the output of said gas buffer vessel 2 and the input of said sealed test vessel 5; the first pressure sensor 4 is arranged at one end of the sealed test container 5, and is used for testing the pressure of the sealed test container 5; and the second control valve 6 is arranged on the emptying pipeline 7 and is used for controlling the on-off of the air flow in the emptying pipeline 7.
In the air supply pipeline, air flow firstly passes through a pressure controller 1, the air pressure in the pipeline is controlled at a certain value, and the pressure controller 1 can be an electric or manual pressure reducing valve, a proportional valve and the like or other devices for controlling the pipeline pressure;
in the gas supply pipeline, a gas buffer container 2 is arranged behind a pressure controller 1, and gas with a certain pressure value enters from an inlet of the gas buffer container 2 and flows out from an outlet;
in the gas supply pipeline, gas flows out from an outlet of the gas buffer container 2 and enters the sealed test container 5 from an opening of the sealed test container 5 through the first control valve 3, and a test sample is filled in the sealed test container 5;
the other opening of the sealed test container 5 is connected with an emptying pipeline 7, the sealed test container 5 is also provided with an opening communicated with the first pressure sensor 4, and the first pressure sensor 4 is used for testing the pressure in the sealed test container 5;
the emptying pipeline 7 is also provided with a second control valve 6 for controlling the on-off of the air flow in the emptying pipeline 7;
the first control valve 3 and the second control valve 6 are both on-off control valves for controlling the on-off of the pipeline, and the on-off control valves can be electric valves, pneumatic valves, manual valves or other valves for controlling the on-off of the pipeline;
flow control valves for controlling the flow, such as speed control valves, throttle valves, etc., which may be pneumatic, electric or manual, may also be provided on the evacuation line 7 or on the line between the gas buffer vessel 2 and the seal test vessel 5;
in addition, an on-off control valve, which is the same as the first control valve 3 and the second control valve 6, may be provided in a line between the pressure controller 1 and the gas buffer container 2.
Preferably, as shown in fig. 14, the control line 7 is connected between the first control valve 3 and the seal test container 5, the second control valve 6 is still provided on the control line 7, and other equipment is kept unchanged;
further, as shown in fig. 15, with respect to fig. 14, the first pressure sensor 4 is installed between the first control valve 3 and the seal test container 5, and the other devices remain unchanged from fig. 14, while the first pressure sensor 4 is located between the control line 7 and the seal test container 5.
The working principle of the sealing performance tester comprising the gas buffering and impact testing structure provided by the invention is as follows:
after the gas passes through the pressure controller 1, the gas with a certain pressure enters the gas buffer container 2, the first control valve 3 is opened after the pressure in the gas buffer container 2 is stable, the gas quickly enters the sealed test container 5 through the first control valve 3, and the test sample in the sealed test container 5 is subjected to quick pressure rise or pressure reduction impact test;
the first pressure sensor 4 is used to seal the pressure in the test container 5;
maintaining the pressure in the sealed test container 5 for a certain time after the pressure reaches a preset value;
the second control valve 6 is opened and the gas in the sealed test container 5 is exhausted and released through the exhaust line 7. The test procedure is ended.
Compared with the related art, the sealing performance tester comprising the gas buffering and impact testing structure provided by the invention has the following beneficial effects:
can utilize gas buffer container 2 to carry out malleation or negative pressure energy storage then carry out malleation or negative pressure quick impact to sealed test container 5 to realize the quick impact test of positive negative pressure sealing performance, when having airflow pressure fluctuation on the main air supply pipeline, gas buffer container 2 can cushion the pressure fluctuation, in order to reduce the pressure fluctuation, when need slowly pressurize and decompress when the test, gas buffer container 2 and flow control valve cooperation can realize slowly pressurizing and decompression.
Example 2:
the gas buffer container 2 is arranged on a branch of the output end of the pressure controller 1, and a third control valve 8 is arranged on a pipeline branch of the gas buffer container 2 and used for controlling the on-off of the gas buffer container 2 and the pipeline branch.
As shown in fig. 2, the gas buffer container 2 is transferred from the main gas supply pipeline to the pipeline branch on the basis of embodiment 1, the intersection point of the pipeline branch and the main gas supply pipeline is the same as the position of the gas buffer container 2 in embodiment 1, and the gas buffer container 2 has only one opening communicated with the pipeline branch at the end of the pipeline branch.
And a third control valve 8 is also arranged on the pipeline branch, and the third control valve 8 is used for controlling the on-off of the gas buffer container 2 and the pipeline branch.
The third control valve 8 is an on-off control valve, as well as the first control valve 3 and the second control valve 6.
The test principle is as follows:
after the gas passes through the pressure controller 1, when an impact test is needed, a third control valve 8 on a pipeline branch is opened, the first control valve 3 is closed, and the gas with certain pressure enters the gas buffer container 2;
after the pressure in the gas buffer container 2 is stabilized, the first control valve 3 is opened, gas quickly enters the sealed test container 5 through the first control valve 3, and the test sample in the sealed test container 5 is subjected to quick pressure rise or pressure reduction impact test;
the first pressure sensor 4 is used to test the pressure in the sealed test container 5;
maintaining the pressure in the sealed test container 5 for a certain time after the pressure reaches a preset value;
the second control valve 6 is opened, and the gas in the sealed test container 5 is exhausted and released through the exhaust pipeline 7;
the test procedure is ended.
Example 3:
the input end of the first pressure sensor 4 is connected to the main supply pipeline between the first control valve 3 and the seal test container 5, and the input end of the emptying pipeline 7 is connected to the main supply pipeline between the first control valve 3 and the seal test container 5.
As shown in fig. 3, this embodiment is based on embodiment 2, and connects a first pressure sensor 4 and an evacuation line 7 to a main gas supply line between a first control valve 3 and a seal test container 5.
The other structures and the test principle were the same as those of example 2.
Example 4:
the gas buffer container 2 is provided with a second pressure sensor 9 for detecting the gas pressure in the gas buffer container 2.
As shown in fig. 4, in the present embodiment, in addition to embodiment 1, an additional opening is provided in the gas buffer container 2 to communicate with the second pressure sensor 9 for detecting the gas pressure in the gas buffer container 2.
The other structures and the test principle were the same as those of example 1.
Example 5:
one end of the gas buffer container 2 is connected to a pipeline branch at the output end of the pressure controller 1 through a third control valve.
As shown in fig. 5, in this embodiment, in addition to embodiment 4, the gas buffer container 2 is transferred from the main gas supply line to the line branch, and another opening is provided in the gas buffer container 2 to communicate with the second pressure sensor 9 for detecting the gas pressure in the gas buffer container 2.
The other structures and the test principle were the same as those of example 4.
Example 6:
the first pressure sensor 4 and the evacuation line 7 are connected to the main supply line between the first control valve 3 and the sealed test vessel 5, respectively.
As shown in fig. 6, this embodiment is based on embodiment 5, in which a first pressure sensor 4 and an evacuation line 7 are connected to the main gas supply line between the first control valve 3 and the seal test vessel 5, and an additional opening is provided in the gas buffer vessel 2 in communication with a second pressure sensor 9 for detecting the gas pressure inside the gas buffer vessel 2.
The other structures and the test principle were the same as those of example 5.
Example 7:
a switching valve 10 is arranged between the gas buffer container 2 and the sealed test container 5, and one end of the switching valve 10 is connected with the input end of the first pressure sensor 4.
As shown in fig. 7, in the present embodiment, a switching valve 10 is added on the basis of embodiment 1, and the first pressure sensor 4 is communicated with the switching valve 10;
the switching valve 10 communicates with both the gas buffer container 2 and the seal test container 5.
By switching the switching valve 10, the first pressure sensor 4 communicates with the gas buffer container 2 and the sealed test container 5, respectively, and detects the gas pressures in the gas buffer container 2 and the sealed test container 5, respectively.
The switching valve 10 may be a three-way valve, a two-position five-way valve, or two-way control valves, which are pneumatic, electric, or manual, and the like, for switching two identical lines of a three-way pipeline.
The other structures and the test principle were the same as those of example 1.
Example 8:
one end of the gas buffer container 2 is connected to one end of the seal test container 5 through a switching valve 10, and the switching valve 10 is connected to the first pressure sensor 4.
As shown in fig. 8, in the present embodiment, a switching valve 10 is added on the basis of embodiment 2, and the first pressure sensor 4 is communicated with the switching valve 10;
the switching valve 10 communicates with both the gas buffer container 2 and the seal test container 5.
By switching the switching valve 10, the first pressure sensor 4 communicates with the gas buffer container 2 and the sealed test container 5, respectively, and detects the gas pressures in the gas buffer container 2 and the sealed test container 5, respectively.
The switching valve 10 may be a three-way valve, a two-position five-way valve, or two-way control valves, which are pneumatic, electric, or manual, and the like, for switching two identical lines of a three-way pipeline.
The other structures and the test principle were the same as those of example 2.
Example 9:
one end of the gas buffer container 2 is connected with a pipeline branch at the output end of the first control valve 3 through a switching valve 10, and the switching valve 10 is equipped with the first pressure sensor 4.
As shown in fig. 9, in the present embodiment, a switching valve 10 is added in addition to embodiment 3, and the first pressure sensor 4 communicates with the switching valve 10.
The switching valve 10 communicates with both the gas buffer container 2 and the seal test container 5.
By switching the switching valve 10, the first pressure sensor 4 communicates with the gas buffer container 2 and the sealed test container 5, respectively, and detects the gas pressures in the gas buffer container 2 and the sealed test container 5, respectively.
The switching valve 10 may be a three-way valve, a two-position five-way valve, or two-way control valves, which are pneumatic, electric, or manual, and the like, for switching two identical lines of a three-way pipeline.
The other structures and the test principle were the same as those of example 3.
Example 10:
the utility model provides a sealing performance tester who contains gas buffering and impact testing structure, tester body when the sealing performance tester who contains gas buffering and impact testing structure uses still includes:
the container comprises a box body 100, wherein a container cavity 110 and a connecting sliding chute 120 are respectively formed in the box body 100, the inside of the connecting sliding chute 120 is communicated with the inside of the container cavity 110, and the connecting sliding chute 120 is positioned right below the container cavity 110;
the surface of the limit sliding shaft 200 is fixed on the inner wall of the connecting chute 120;
the connecting sliding rod 300 is arranged on the limiting sliding shaft 200, the top end of the connecting sliding rod 300 is fixedly connected with a connecting rod 310, and the surface of the connecting sliding rod 300 is in sliding connection with the inner surface of the connecting sliding groove 120;
one side of the supporting sliding plate 400 is fixed at one end of the connecting rod 310, and the supporting sliding plate 400 is provided with a catching groove 410;
a container body 500, the bottom of the container body 500 being fixed to the top of the support slide 400;
and the cover plate 600 is arranged on the box body 100.
The box 100 is provided with a lifting mechanism, the top end of the cover plate 600 is fixedly connected with the bottom end of the lifting mechanism, and the outer surface of the cover plate 600 is slidably connected with the inner surface of the container cavity 110, so as to maintain the stability of the cover plate 600 during lifting adjustment.
At least two groups of connecting chutes 120 are arranged, and the two groups of connecting chutes 120 are distributed in parallel and have the same connecting structure and act on the same supporting sliding plate 400;
the connecting slide bar 300 is sleeved on the outer surface of the limiting slide shaft 200, and the surface of the connecting slide bar 300 is in sliding connection with the inner surface of the connecting slide groove 120, so that the stability of the connecting slide bar 300 during movement is guaranteed;
the tail end of the supporting sliding plate 400 is connected with the connecting sliding rod 300 through the connecting rod 310, so that the stable horizontal sliding adjustment of the supporting sliding plate 400 is facilitated;
the tail end of the connecting rod 310 abuts against the inner wall of the container cavity 110, so that the container body 500 is stably limited under the cover plate 600 after the supporting sliding plate 400 is pushed into the container cavity 110, and accurate positioning is facilitated;
when the tail end of the connecting rod 310 abuts against the inner wall of the container cavity 110, the top end of the container body 500 is aligned with the bottom end of the cover plate 600, thereby facilitating the further lifting operation of the cover plate 600.
Has the advantages that:
the built-in connecting chute 120 provides spacing for the horizontal sliding adjustment of the container cavity 110, and simultaneously provides a built-in sliding space for the horizontal sliding of the container body 500, so that the sliding structure is prevented from occupying redundant external space when being externally arranged and not used, inconvenience in equipment packaging and installation is prevented, the convenience in adjusting the sealing test container in the sealing performance tester is improved, and the space occupied by the sliding support structure when the sealing test container is not used is reduced.
Further:
the cover plate 600 is provided with a connecting hole 610, the top of the supporting slide plate 400 is fixedly connected with a limiting rod 700, the surface of the limiting rod 700 is matched with the inner surface of the connecting hole 610, and the top end of the limiting rod 700 is provided with a pressure sensing part 710.
The limiting rod 700 is arranged at the top of the supporting sliding plate 400, the limiting rod 700 is arranged in the direction of the tail end of the container body 500, the limiting rod 700 is combined with the connecting hole 610 for use, so that the limiting position of the supporting sliding plate 400 is conveniently limited, and the cover plate 600 can only be normally used for the container body 500 on the supporting sliding plate 400 when the limiting rod 700 corresponds to the connecting hole 610 up and down when the supporting sliding plate 400 operates every time the cover plate 600 operates;
meanwhile, when the cover plate 600 is covered on the outer surface of the limiting rod 700 through the connecting hole 610, the supporting sliding plate 400 can be limited and fixed when not used, the supporting sliding plate 400 is prevented from shaking due to the fact that the supporting sliding plate 400 is easily affected by external environment factors, the stability of no operation of the supporting sliding plate 400 is guaranteed, and misoperation of non-professionals is avoided.
When the cover plate 600 is covered on the outer surface of the limiting rod 700 through the connecting hole 610, the whole equipment is convenient to keep stable in the transportation process, the phenomenon that the supporting sliding plate 400 and the container body 500 on the supporting sliding plate are damaged due to collision during transportation is avoided, and the convenience of the whole transportation of the equipment is improved.
The pressure sensing part 710 can adopt a pressure sensor and an infrared sensor;
when the detection end of the pressure sensing member 710 is positioned right below the connection hole 610, the pressure sensing member 710 does not sense a signal;
when the detection end of the pressure sensing member 710 is distributed with the connection hole 610 in a staggered manner, the pressure sensing member 710 has a sensing signal;
the adjustment position of the support slide 400 is conveniently sensed by the pressure sensing member 710, and when the support slide 400 is not reset to a required safety position, the cover plate 600 cannot be normally started;
when the pressure sensing member 710 does not sense a signal, the limiting rod 700 is located right below the connection hole 610, and the cover plate 600 can be normally started.
The pressure sensing member 710 senses a signal and is electrically connected to the control end of the cover plate 600, for controlling the cover plate 600 to start, when the pressure sensing member 710 does not sense a signal, the cover plate 600 can be normally started;
when the pressure sensing member 710 has a sensing signal, the cover plate 600 cannot be normally started, so that the safety of the operation of the device is guaranteed, and the cover plate 600 is prevented from being started without completely resetting the support slide plate 400.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims (10)

1. A sealing performance tester including a gas cushion and impact test structure, comprising:
the device comprises a pressure controller, a gas buffer container, a sealed test container and an emptying pipeline, wherein the output end of the pressure controller is connected with the front end of the gas buffer container, and the input end of the emptying pipeline is connected with the output end of the sealed test container;
a first control valve connected between the output of the gas buffer vessel and the input of the seal test vessel;
the first pressure sensor is arranged at one end of the sealed test container and used for testing the pressure of the sealed test container;
and the second control valve is arranged on the emptying pipeline and is used for controlling the on-off of the air flow in the emptying pipeline.
2. The instrument for testing the sealing performance of a gas buffer and impact test structure as claimed in claim 1, wherein the gas buffer container is disposed on a branch of the output end of the pressure controller, and a third control valve is disposed on a branch of the gas buffer container for controlling the connection and disconnection between the gas buffer container and the branch of the pipeline.
3. The apparatus of claim 2, wherein the input of the first pressure sensor is connected to the main supply line between the first control valve and the seal test vessel, and the input of the evacuation line is connected to the main supply line between the first control valve and the seal test vessel.
4. The apparatus for testing sealing performance including a gas buffer and impact test structure according to claim 1, wherein a second pressure sensor is disposed on the gas buffer container for detecting a gas pressure in the gas buffer container.
5. The apparatus of claim 4, wherein one end of the gas buffer container is connected to the pipeline branch of the output end of the pressure controller through a third control valve.
6. The apparatus of claim 5, wherein the first pressure sensor and the evacuation line are connected to the main supply line between the first control valve and the seal test vessel, respectively.
7. The apparatus of claim 1, wherein a switching valve is disposed between the gas buffer container and the sealing test container, and one end of the switching valve is connected to the input end of the first pressure sensor.
8. The apparatus of claim 2, wherein one end of the gas buffer container is connected to one end of the sealing test container through a switching valve, and the switching valve is connected to the first pressure sensor.
9. The apparatus of claim 3, wherein the gas buffer container is connected to the pipeline branch of the output end of the first control valve through a switching valve, and the switching valve is equipped with the first pressure sensor.
10. The apparatus of claim 1, wherein the apparatus body comprises:
the box body is provided with a container cavity and a connecting sliding chute;
the surface of the limiting sliding shaft is fixed on the inner wall of the connecting sliding chute;
the connecting slide rod is arranged on the limiting slide shaft, and the top end of the connecting slide rod is fixedly connected with a connecting rod;
one side of the supporting sliding plate is fixed at one end of the connecting rod, and the supporting sliding plate is provided with a catching groove;
the bottom of the container body is fixed on the top of the support sliding plate;
the cover plate is arranged on the box body.
CN202110794728.6A 2021-07-14 2021-07-14 Sealing performance tester containing gas buffering and impact testing structure Withdrawn CN113418666A (en)

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CN202110794728.6A CN113418666A (en) 2021-07-14 2021-07-14 Sealing performance tester containing gas buffering and impact testing structure

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Application Number Priority Date Filing Date Title
CN202110794728.6A CN113418666A (en) 2021-07-14 2021-07-14 Sealing performance tester containing gas buffering and impact testing structure

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CN113418666A true CN113418666A (en) 2021-09-21

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN118129987A (en) * 2024-05-07 2024-06-04 山东秋香食品有限公司 Moon cake wrapping bag sealing performance detection device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN118129987A (en) * 2024-05-07 2024-06-04 山东秋香食品有限公司 Moon cake wrapping bag sealing performance detection device
CN118129987B (en) * 2024-05-07 2024-07-26 山东秋香食品有限公司 Moon cake wrapping bag sealing performance detection device

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