CN105300630A - Hermetic sealing program control testing stand - Google Patents
Hermetic sealing program control testing stand Download PDFInfo
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- CN105300630A CN105300630A CN201510737114.9A CN201510737114A CN105300630A CN 105300630 A CN105300630 A CN 105300630A CN 201510737114 A CN201510737114 A CN 201510737114A CN 105300630 A CN105300630 A CN 105300630A
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Abstract
The invention discloses a hermetic sealing program control testing stand, comprising a working platform, a clamping positioning device, a sealing plugging device, a gas source processing device, a compression gauge and an electric control cabinet. The clamping positioning device comprises a pedestal, a clamping air cylinder and a position limiting block; the output terminal of the clamping air cylinder is provided with a clamping block; the sealing plugging device comprises two sealing plugging mechanisms which are identical in structures; each sealing plugging mechanism comprises a support base, a sealing plug and a sealing plugging air cylinder; the output terminal of the sealing plugging air cylinder is fixedly connected to an installation block which is fixedly connected to the sealing plug through a gas channel joint and the sealing plug; the air inlet terminal of a gas processing device is in communication with an air source; the air outlet terminal is in communication connection with the corresponding gas channel joint of the sealing plugging mechanism through a first switch solenoid valve; and the corresponding gas channel joint of another sealing plugging mechanism is in communication connection with the pressure gauge. The hermetic sealing program control testing stand is simple in structure, easy in operation, low in manufacture cost, high in testing accuracy and wide in application range, and does not affect the pipe fitting quality during the detection process.
Description
Technical field
The present invention relates to air-tightness detection device technical field, particularly the program control testing table of a kind of hermetic seal.
Background technology
Pipe fitting needs to carry out air tightness test after it has been manufactured mostly, whether occurs leakage point with the duct wall detecting pipe fitting.The existing air tightness of pipe fitting method of inspection is generally detected by hydraulic pressure, and its detection means is sealed at the two ends of pipe fitting to be measured by fixture, being positioned in water, judging whether body leaks according to there being bubble-free in pond after pressurization.The defect of this hydraulic pressure detection mode is: the first, owing to when detecting needing body to insert in water, makes, is then easy to cause body to occur phenomenon of getting rusty, cause affecting to some extent the quality of pipe fitting if body is ferrous material; The second, usually need after detection to carry out drying to pipe fitting, cause operation and use comparatively inconvenience; 3rd, measuring accuracy is lower, easily occurs the phenomenon of test leakage micropore.
Summary of the invention
The object of the invention is to the defect for prior art and deficiency, provide a kind of simple and reasonable, easy to operate, manufacturing cost is lower, measuring accuracy is higher, can not affect pipe fitting quality in testing process, the program control testing table of hermetic seal that the scope of application is wider.
For achieving the above object, the present invention is by the following technical solutions:
The program control testing table of hermetic seal of the present invention, comprises worktable, described worktable is respectively arranged with clamping and positioning device, sealing blocking device, air supply processing equipment, tensimeter and electric cabinet;
Described clamping and positioning device comprises the base be fixed on described worktable, described base is respectively arranged with clamping cylinder and limited block, the output terminal of described clamping cylinder is provided with the clamp matched with described limited block, and described clamping cylinder is electrically connected with described electric cabinet by clamping solenoid valve;
Described sealing blocking device comprises the identical plugging mechanism of two structures, two described plugging mechanisms lay respectively at the both sides of described clamping and positioning device, each described plugging mechanism includes supporting seat, seal plug and shutoff cylinder, described supporting seat is provided with the supporting mouth for supporting pipe fitting to be measured, described seal plug and described supporting mouth are corresponding setting, the output terminal of described shutoff cylinder is towards described seal plug and be fixedly connected with mounting blocks, described mounting blocks is fixedly connected with described seal plug by gas path joint, the inside of described seal plug is provided with the air flue be communicated with described gas path joint, each described shutoff cylinder is all electrically connected with described electric cabinet by corresponding shutoff solenoid valve,
Described air supply processing equipment comprises the first air strainer and pressure maintaining valve, the inlet end of described first air strainer is communicated with source of the gas, the outlet side of described first air strainer is communicated with the inlet end of described pressure maintaining valve, the outlet side of described pressure maintaining valve is connected to the corresponding described gas path joint of plugging mechanism described in one of them by the first switch electromagnetic valve, the corresponding described gas path joint of plugging mechanism described in another is communicated with described tensimeter, and described first switch electromagnetic valve is electrically connected with described electric cabinet.
Further, described seal plug comprises round table-like rubber plug, described rubber plug is provided with described air flue vertically, the outside of described rubber plug is coated with O-ring seal, described O-ring seal is connected with the bigger diameter end one of described rubber plug, and the inwall of described O-ring seal free end is provided with the guiding surface be convenient to pipe fitting to be measured and inserted.
Further, the center, end of described gas path joint is provided with cylinder, and described gas path joint is integrated by described cylinder and corresponding described rubber plug sulfuration, and the free end of described cylinder has been disposed radially extension.
Further, described air supply processing equipment also comprises the second air strainer, and the outlet side of described pressure maintaining valve is communicated with the air intake opening of described first switch electromagnetic valve by described second air strainer.
Further, described worktable is provided with second switch solenoid valve, described clamping solenoid valve, described shutoff solenoid valve are all connected to source of the gas by described second switch solenoid valve, and described second switch solenoid valve is electrically connected with described electric cabinet.
Further, described worktable is provided with the pressure controller be communicated with described tensimeter, described pressure controller is electrically connected with described electric cabinet.
Further, each described shutoff cylinder is all fixedly connected with corresponding described supporting seat, and described worktable is provided with a column rotationally, and described shutoff cylinder is connected with corresponding described column by stay cord.
Further, also comprise the first foot-switch for controlling described clamping cylinder action respectively, for controlling the second foot-switch of described shutoff cylinder action, described first foot-switch and described second foot-switch are all electrically connected with described electric cabinet.
Beneficial effect of the present invention is: the program control testing table of a kind of hermetic seal provided by the invention, by arranging clamping and positioning device respectively on the table, sealing blocking device, air supply processing equipment, tensimeter and electric cabinet, during work, first clamping and positioning device is utilized to clamp pipe fitting to be measured, then sealing blocking device is utilized the sealing of the two ends of pipe fitting to be blocked, and then the first switch electromagnetic valve is opened, pressure gas after air supply processing equipment process is through the first switch electromagnetic valve, one of them gas path joint enters in tube chamber, and then discharge through another gas path joint, tensimeter is utilized to detect the force value of pipe fitting outlet side, if the force value of pipe fitting outlet side all keeps equal with the force value of inlet end in setting-up time (being generally 30 seconds), then show that leakage phenomenon does not appear in pipe fitting, sealing is up to standard, if the force value of outlet side is less than the force value of inlet end, then show that pipe fitting exists leakage phenomenon, sealing is failed up to standard.
With adopt compared with hydraulic pressure detects in prior art, the present invention is due to without the need to being placed in water by pipe fitting to be measured, both pipe fitting generation corrosion phenomena had been avoided, the scope of application is wider, and ensure that the quality of product, simultaneously upon completion of the assays without the need to carrying out dry process further to pipe fitting, optimize operating process, operation more succinctly facilitates; Further, adopt the outlet side force value of tensimeter direct-detection pipe fitting, also make testing result more directly perceived, thus substantially increase accuracy of detection; In addition, the present invention, by arranging air supply processing equipment, effectively removes containing assorted moisture content in source of the gas, thus ensure that the drying property of measuring air pressure, further ensure the quality of product.Vibrational power flow advantages of simple of the present invention, manufacturing cost is lower, and operation more for convenience.
Accompanying drawing explanation
Fig. 1 is the one-piece construction schematic diagram under a kind of visual angle of the present invention;
Fig. 2 is the one-piece construction schematic diagram under the another kind of visual angle of the present invention;
Fig. 3 be left seal plug of the present invention with left gas path joint coordinate mounting structure schematic diagram.
In Fig. 1 to Fig. 3:
1, worktable; 21, base; 22, clamping cylinder; 23, limited block; 24, clamp; 25, solenoid valve is clamped; 31, left plugging mechanism; 311, left support seat; 312, left seal plug; 313, left shutoff cylinder; 314, left mounting blocks; 315, left gas path joint; 3151, cylinder; 3152, extension; 32, right plugging mechanism; 321, right support seat; 322, right seal plug; 323, right shutoff cylinder; 324, right mounting blocks; 325, right gas path joint; 33, supporting mouth; 341, rubber plug; 342, air flue; 343, O-ring seal; 344, guiding surface; 35, shutoff solenoid valve; 41, the first air strainer; 42, pressure maintaining valve; 43, the second air strainer; 5, tensimeter; 6, electric cabinet; 7, the first switch electromagnetic valve; 8, second switch solenoid valve; 9, pressure controller; 10, column; 11, the first foot-switch valve; 12, the second foot-operated switch valve; 13, pipe fitting.
Embodiment
Below in conjunction with accompanying drawing, the present invention is further illustrated.
The program control testing table of hermetic seal as shown in Figure 1 to Figure 3, comprises worktable 1, worktable 1 is respectively arranged with clamping and positioning device, sealing blocking device, air supply processing equipment, tensimeter 5 and electric cabinet 6.
Clamping and positioning device comprises the base 21 be fixed on worktable 1, base 21 is respectively arranged with clamping cylinder 22 and limited block 23, the output terminal of clamping cylinder 22 is provided with the clamp 24 matched with limited block 23, clamping cylinder 22 is electrically connected with electric cabinet 6 by clamping solenoid valve 25, and clamping solenoid valve 25 carries out clamping, unclamping action for directly controlling clamping cylinder 22.
Sealing blocking device comprises the identical plugging mechanism of two structures, i.e. left plugging mechanism 31 and right plugging mechanism 32, two plugging mechanisms lay respectively at the both sides of clamping and positioning device, each plugging mechanism includes supporting seat, seal plug and shutoff cylinder, supporting seat is provided with the supporting mouth 33 for supporting pipe fitting 13 to be measured, seal plug is arranged in corresponding with supporting mouth 33, the output terminal of shutoff cylinder is towards seal plug and be fixedly connected with mounting blocks, mounting blocks is fixedly connected with seal plug by gas path joint, the inside of seal plug is provided with the air flue 342 be communicated with gas path joint, each shutoff cylinder is all electrically connected with electric cabinet 6 by corresponding shutoff solenoid valve 35.Shutoff solenoid valve 35 is for directly controlling the action of corresponding shutoff cylinder.
Specifically, left plugging mechanism 31 comprises left support seat 311, left seal plug 312 and left shutoff cylinder 313, and the output terminal of left shutoff cylinder 313 is provided with left mounting blocks 314, and left mounting blocks 314 is connected with left seal plug 312 by left gas path joint 315; Right plugging mechanism 32 comprises right support seat 321, right seal plug 322 and right shutoff cylinder 323, and the output terminal of right shutoff cylinder 323 is provided with right mounting blocks 324, and right mounting blocks 324 is connected with right seal plug 322 by right gas path joint 325.
Air supply processing equipment comprises the first air strainer 41 and pressure maintaining valve 42, the inlet end of the first air strainer 41 is communicated with source of the gas, the outlet side of the first air strainer 41 is communicated with the inlet end of pressure maintaining valve 42, the outlet side of pressure maintaining valve 42 is connected to the corresponding gas path joint of one of them plugging mechanism by the first switch electromagnetic valve 7, the corresponding gas path joint of another plugging mechanism is communicated with tensimeter 5, and the first switch electromagnetic valve 7 is electrically connected with electric cabinet 6.Specifically, the gas outlet of the first switch electromagnetic valve 7 is connected with right gas path joint 325, and left gas path joint 315 is communicated with tensimeter 5.That is, during test, the right-hand member of pipe fitting 13 to be measured is inlet end, and left end is outlet side.
Principle of work of the present invention is: during work, first pipe fitting 13 to be measured is placed on base 21, and start clamping cylinder 22, clamping cylinder 22 is utilized to clamp pipe fitting 13 to be measured, then according to the distance between the left plugging mechanism of length adjustment 31 of pipe fitting 13 to be measured and right plugging mechanism 32, the two ends of pipe fitting 13 are made to be inserted in respective support seat respectively by supporting mouth 33, then left shutoff cylinder 313 and right shutoff cylinder 323 is started, utilize left seal plug 312 to coordinate with right seal plug 322 two ends of pipe fitting 13 are sealed and block, and then the first switch electromagnetic valve 7 is opened, pressure gas after air supply processing equipment process is through the first switch electromagnetic valve 7, right gas path joint 325, right seal plug 322 enters in tube chamber, then discharge through left gas path joint 315, tensimeter 5 is utilized to detect the force value of pipe fitting 13 outlet side, it is to be noted, in order to reading is more directly perceived, tensimeter 5 preferably adopts digital pressure gauge 5, if the force value of pipe fitting 13 outlet side all keeps equal with the force value of inlet end in setting-up time (being generally 30 seconds), then show that leakage phenomenon does not appear in pipe fitting 13, sealing is up to standard, if the force value of outlet side is less than the force value of inlet end, then show that pipe fitting 13 exists leakage phenomenon, sealing is failed up to standard.
See Fig. 3, seal plug comprises round table-like rubber plug 341, rubber plug 341 is provided with air flue 342 vertically, the outside of rubber plug 341 is coated with O-ring seal 343, O-ring seal 343 is connected with the bigger diameter end one of rubber plug 341, and the inwall of O-ring seal 343 free end is provided with the guiding surface 344 be convenient to pipe fitting 13 to be measured and inserted.Specifically, be described for left plugging mechanism 31, when left shutoff cylinder 313 makes extend action, left seal plug 312 is synchronized with the movement with left shutoff cylinder 313, it is inner that its rubber plug 341 is inserted into pipe fitting 13, along with rubber plug 341 continues to go deep in pipe fitting 13, the end of pipe fitting 13 also contacts with the guiding surface 344 of O-ring seal 343 gradually, now the free end of O-ring seal 343 just can expand outwardly under the effect of pipe fitting 13, pipe fitting 13 is impelled to be inserted between rubber plug 341 and O-ring seal 343, when rubber plug 341 moves to extreme position (now rubber plug 341 contacts with the inner wall sealing of pipe fitting 13), due to the resilient force of O-ring seal 343 self, also the free end inwall of O-ring seal 343 can be made to seal with pipe fitting 13 outer wall contact.At rubber plug 341 with under the two seals effect of O-ring seal 343, effectively achieve the sealing blocking to pipe fitting 13, sealing effectiveness is better, avoids the generation of end leakage phenomenon.
The center, end of gas path joint is provided with cylinder 3151, and gas path joint is integrated by cylinder 3151 and the sulfuration of corresponding rubber plug 341, and the free end of cylinder 3151 has been disposed radially extension 3152.It is pointed out that gas path joint adopts metal material to make.Be described for left plugging mechanism 31 equally, because rubber plug 341 is flexible material, deformability is better, when the rubber plug 341 of left seal plug 312 moves to extreme position, under the effect of left shutoff cylinder 313, left gas path joint 315 still can continue the axial advancement along pipe fitting 13, now the cylinder 3151 of left gas path joint 315 end just can drive extension 3152 advanced in unison, the perisporium of rubber plug 341 can radially be expanded under the pressure effect of extension 3152 and cylinder 3151, thus make to become face from linear sealing between rubber plug 341 and pipe fitting 13 inwall and seal, thus increase packing surface, further increase sealing effectiveness.
Air supply processing equipment also comprises the second air strainer 43, and the outlet side of pressure maintaining valve 42 is communicated with the air intake opening of the first switch electromagnetic valve 7 by the second air strainer 43.Second air strainer 43 for carrying out secondary filtration to source of the gas, to remove the moisture content in pressure testing air further.
More convenient in order to control, worktable 1 is provided with second switch solenoid valve 8, clamping solenoid valve 25, shutoff solenoid valve 35 are all connected to source of the gas by second switch solenoid valve 8, and second switch solenoid valve 8 is electrically connected with electric cabinet 6.Worktable 1 is provided with the pressure controller 9 be communicated with tensimeter 5, pressure controller 9 is electrically connected with electric cabinet 6, when the set pressure of pressure test pressure higher than pressure controller 9, now pressure controller 9 makes the first switch electromagnetic valve 7 power-off by electric cabinet 6, and the present invention quits work.
Each shutoff cylinder is all fixedly connected with respective support seat, worktable 1 is provided with rotationally a column 10, shutoff cylinder is connected with corresponding column 10 by stay cord, by being connected with column 10 by shutoff cylinder, be convenient to the distance between adjustment two shutoff cylinders, easy to use.
As a kind of preferred implementation, the present invention also comprising the first foot-switch 11 for controlling clamping cylinder 22 action respectively, being all electrically connected with electric cabinet 6 for the second foot-switch 12, first foot-switch 11 and the second foot-switch 12 controlling the action of shutoff cylinder.During work, operator just can control the action of clamping solenoid valve 25 by the first foot-switch 11, and then reaches the effect controlling clamping cylinder 22 action; Similarly, shutoff solenoid valve 35 action can be controlled by the second foot-switch 12, and then reach the effect controlling the action of shutoff cylinder.It is pointed out that to ensure plugging effect, two shutoff cylinders are synchronization action, therefore, arrange second foot-switch 12.
The above is only better embodiment of the present invention, therefore all equivalences done according to structure, feature and the principle described in patent claim of the present invention change or modify, and are included in patent claim of the present invention.
Claims (8)
1. the program control testing table of hermetic seal, is characterized in that: comprise worktable, described worktable is respectively arranged with clamping and positioning device, sealing blocking device, air supply processing equipment, tensimeter and electric cabinet;
Described clamping and positioning device comprises the base be fixed on described worktable, described base is respectively arranged with clamping cylinder and limited block, the output terminal of described clamping cylinder is provided with the clamp matched with described limited block, and described clamping cylinder is electrically connected with described electric cabinet by clamping solenoid valve;
Described sealing blocking device comprises the identical plugging mechanism of two structures, two described plugging mechanisms lay respectively at the both sides of described clamping and positioning device, each described plugging mechanism includes supporting seat, seal plug and shutoff cylinder, described supporting seat is provided with the supporting mouth for supporting pipe fitting to be measured, described seal plug and described supporting mouth are corresponding setting, the output terminal of described shutoff cylinder is towards described seal plug and be fixedly connected with mounting blocks, described mounting blocks is fixedly connected with described seal plug by gas path joint, the inside of described seal plug is provided with the air flue be communicated with described gas path joint, each described shutoff cylinder is all electrically connected with described electric cabinet by corresponding shutoff solenoid valve,
Described air supply processing equipment comprises the first air strainer and pressure maintaining valve, the inlet end of described first air strainer is communicated with source of the gas, the outlet side of described first air strainer is communicated with the inlet end of described pressure maintaining valve, the outlet side of described pressure maintaining valve is connected to the corresponding described gas path joint of plugging mechanism described in one of them by the first switch electromagnetic valve, the corresponding described gas path joint of plugging mechanism described in another is communicated with described tensimeter, and described first switch electromagnetic valve is electrically connected with described electric cabinet.
2. the program control testing table of hermetic seal according to claim 1, it is characterized in that: described seal plug comprises round table-like rubber plug, described rubber plug is provided with described air flue vertically, the outside of described rubber plug is coated with O-ring seal, described O-ring seal is connected with the bigger diameter end one of described rubber plug, and the inwall of described O-ring seal free end is provided with the guiding surface be convenient to pipe fitting to be measured and inserted.
3. the program control testing table of hermetic seal according to claim 2, it is characterized in that: the center, end of described gas path joint is provided with cylinder, described gas path joint is integrated by described cylinder and corresponding described rubber plug sulfuration, and the free end of described cylinder has been disposed radially extension.
4. the program control testing table of hermetic seal according to claim 1, it is characterized in that: described air supply processing equipment also comprises the second air strainer, the outlet side of described pressure maintaining valve is communicated with the air intake opening of described first switch electromagnetic valve by described second air strainer.
5. the program control testing table of hermetic seal according to claim 1, it is characterized in that: described worktable is provided with second switch solenoid valve, described clamping solenoid valve, described shutoff solenoid valve are all connected to source of the gas by described second switch solenoid valve, and described second switch solenoid valve is electrically connected with described electric cabinet.
6. the program control testing table of hermetic seal according to claim 1, is characterized in that: described worktable is provided with the pressure controller be communicated with described tensimeter, described pressure controller is electrically connected with described electric cabinet.
7. the program control testing table of hermetic seal according to claim 1, it is characterized in that: each described shutoff cylinder is all fixedly connected with corresponding described supporting seat, described worktable is provided with a column rotationally, and described shutoff cylinder is connected with corresponding described column by stay cord.
8. the program control testing table of hermetic seal according to claim 1, it is characterized in that: also comprise the first foot-switch for controlling described clamping cylinder action respectively, for controlling the second foot-switch of described shutoff cylinder action, described first foot-switch and described second foot-switch are all electrically connected with described electric cabinet.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510737114.9A CN105300630A (en) | 2015-11-03 | 2015-11-03 | Hermetic sealing program control testing stand |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510737114.9A CN105300630A (en) | 2015-11-03 | 2015-11-03 | Hermetic sealing program control testing stand |
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| CN105300630A true CN105300630A (en) | 2016-02-03 |
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| CN201510737114.9A Pending CN105300630A (en) | 2015-11-03 | 2015-11-03 | Hermetic sealing program control testing stand |
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| CN106404292A (en) * | 2016-10-14 | 2017-02-15 | 芜湖全程智能科技有限公司 | ABS electromagnetic valve testing device blocking mechanism |
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| CN106556512A (en) * | 2016-11-28 | 2017-04-05 | 芜湖全程智能科技有限公司 | A kind of ABS electromagnetic valves high-voltage testing device plugging mechanism |
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| CN110068519B (en) * | 2019-05-25 | 2024-04-26 | 沧州高大宏业塑料制品有限公司 | Pressure tester for inner plug of ventilation rubber tube |
| CN110319987A (en) * | 2019-07-30 | 2019-10-11 | 江苏贝孚德通讯科技股份有限公司 | Waveguide orthocoupler sealing test device and microwave device tightness testing method |
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| CN114166437A (en) * | 2021-12-03 | 2022-03-11 | 成都秦川物联网科技股份有限公司 | Electromechanical valve tightness detection device and method suitable for intelligent manufacturing of Internet of things |
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Application publication date: 20160203 |