CN111947856A - Automatic membrane air tightness detection device and using method thereof - Google Patents
Automatic membrane air tightness detection device and using method thereof Download PDFInfo
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- CN111947856A CN111947856A CN202010886829.1A CN202010886829A CN111947856A CN 111947856 A CN111947856 A CN 111947856A CN 202010886829 A CN202010886829 A CN 202010886829A CN 111947856 A CN111947856 A CN 111947856A
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- air
- frame
- jig
- diaphragm
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/26—Investigating 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
Abstract
The invention relates to an automatic device for detecting the air tightness of a diaphragm and a using method thereof, belonging to the technical field of detecting tools, comprising a frame, a positioning tool, a detecting mechanism and a conveying mechanism, wherein the frame comprises an upper frame and a lower frame, the detecting mechanism comprises a three-axis displacement table, a horizontal support and a vacuum chuck, the three-axis displacement table is arranged in the upper frame, the horizontal support and the vacuum chuck are arranged on the three-axis displacement table, the positioning tool comprises an air cylinder, an optical axis, a pressing plate, a connecting plate, a lower tool and an upper tool, the air cylinder is arranged in the lower frame, a connecting plate is arranged on a piston rod of the air cylinder, the two ends of the connecting plate are fixedly connected with the optical axis, the pressing plate is fixedly arranged at the top of the optical axis, the plurality of upper tools are arranged at the bottom of the pressing plate, the plurality of lower tools are arranged at the top of the lower frame, and further carrying out vacuumizing operation on the air in the upper jig, so that the air tightness of the diaphragm can be detected.
Description
Technical Field
The invention belongs to the technical field of detection tools, and particularly relates to an automatic membrane airtightness detection device and a use method thereof.
Background
The air tightness of the membrane is directly influenced by the air tightness of the whole mechanical part.
At present, the detection on the membrane on the market is inconvenient and intelligent, the single detection amount is small, and the detection effect is poor.
Disclosure of Invention
1. Technical problem to be solved by the invention
The object of the present invention is to solve the above drawbacks.
2. Technical scheme
In order to achieve the purpose, the technical scheme provided by the invention is as follows:
the invention relates to an automatic device for detecting the air tightness of a diaphragm, which comprises a rack, a positioning tool, a detection mechanism and a transmission mechanism, wherein the positioning tool and the detection mechanism are both positioned in the rack, the rack comprises an upper frame and a lower rack, the detection mechanism comprises a three-axis displacement table, a transverse support and a vacuum chuck, the three-axis displacement table is arranged in the upper frame, the transverse support and the vacuum chuck are arranged on the three-axis displacement table, the positioning tool is arranged on the table surface of the lower rack and comprises an air cylinder, optical axis, clamp plate, connecting plate, lower tool and last tool, the cylinder is installed in the rack down, is equipped with the connecting plate on the piston rod of cylinder, the both ends fixed connection optical axis of connecting plate, and the top that the optical axis passed the rack down upwards stretches out, and the fixed clamp plate that is equipped with in top of optical axis, the bottom of clamp plate are equipped with a plurality of tools of going up, and the top of rack is equipped with a plurality of tools down, goes up tool and tool one-to-one down.
Preferably, the upper jig is of a cylindrical structure, a downward deep groove is formed in the upper jig, and air holes are formed in the side wall of the upper jig.
Preferably, an air pipe is arranged on each air hole of the upper jig, the air pipe is externally connected with an air detector, and the air detector is connected with the vacuum chuck.
Preferably, lower tool is the cylinder structure, and lower tool includes inner core and shell, all is equipped with the gas pocket on shell and the inner core.
Preferably, the conveying mechanism comprises a conveyor belt and a conveying frame, the conveyor belt is arranged on the conveying frame, and one end of the conveyor belt extends into the upper frame.
Preferably, be equipped with accurate fixed block on the vacuum chuck, the vacuum chuck passes through accurate fixed block and lateral frame fixed connection, is equipped with the cross slot of the type of falling T on the lateral frame, and accurate fixed block passes through bolt and cross slot fixed connection.
The use method of the automatic membrane airtightness detection device comprises the following steps:
s100, placing the membrane to be detected on a lower jig;
s200, the upper jig moves downwards to press the diaphragm, and the interior of the upper jig is vacuumized;
s300, detecting the air tightness of the diaphragm by using an air detector, and controlling the upper jig to ascend;
s400, the three-axis displacement table drives the vacuum chuck to adsorb the membrane and place the conveyor belt or the waste product area.
Preferably, the specific method in step S300 is that the air detector performs vacuum pumping on the upper jig, if the diaphragm leaks, the pressure in the upper jig does not change, the air detector detects the pressure value to determine whether the diaphragm leaks, and after the detection is completed, the air cylinder controls the upper jig to ascend.
3. Advantageous effects
Compared with the prior art, the technical scheme provided by the invention has the following beneficial effects:
(1) according to the automatic device for detecting the air tightness of the diaphragm, the upper jig and the lower jig cover the two sides of the diaphragm, air holes communicated with the outside are arranged on the upper jig and the lower jig in hesitation, and the air in the upper jig is further vacuumized, so that the air tightness of the diaphragm can be detected.
The device detects the gas tightness back of diaphragm, shifts the diaphragm through vacuum chuck, and the arrangement of can be quick is qualified product and nonconforming product.
Drawings
FIG. 1 is a schematic structural diagram of an automated apparatus for detecting the air tightness of a membrane according to the present invention;
FIG. 2 is a perspective view of an automated apparatus for membrane gas tightness testing in accordance with the present invention;
FIG. 3 is a schematic top view of an automated apparatus for membrane gas tightness testing according to the present invention;
FIG. 4 is a further perspective view of an automated apparatus for membrane airtightness testing in accordance with the present invention;
FIG. 5 is a schematic structural view of a positioning tool of the automated device for detecting the air tightness of a diaphragm according to the present invention;
fig. 6 is a schematic structural view of a lower jig of the automated device for detecting the air tightness of a membrane according to the present invention.
The reference numerals in the schematic drawings illustrate:
100. a frame; 110. an upper frame; 120. a lower stage;
200. positioning a tool; 210. a cylinder; 220. an optical axis; 230. pressing a plate; 240. a connecting plate; 250. a lower jig; 251. an inner core; 252. a housing; 260. mounting a jig; 261. deep grooves; 262. air holes;
300. a detection mechanism; 310. a three-axis displacement stage; 320. a transverse bracket; 321. a transverse groove; 330. a vacuum chuck; 340. a precise fixed block;
400. a transport mechanism; 410. a conveyor belt; 420. and (4) a conveying frame.
Detailed Description
In order to facilitate an understanding of the invention, the invention will now be described more fully hereinafter with reference to the accompanying drawings, in which several embodiments of the invention are shown, but which may be embodied in many different forms and are not limited to the embodiments described herein, but rather are provided for the purpose of providing a more thorough disclosure of the invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present; when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present; the terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs; the terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention; as used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Example 1
Referring to fig. 1-6, an automatic device for detecting the air tightness of a membrane of this embodiment includes a frame 100, a positioning tool 200, a detecting mechanism 300, and a conveying mechanism 400, where the positioning tool 200 and the detecting mechanism 300 are both located in the frame 100, the frame 100 includes an upper frame 110 and a lower frame 120, the detecting mechanism 300 includes a three-axis displacement table 310, a horizontal bracket 320, and a vacuum chuck 330, the three-axis displacement table 310 is installed in the upper frame 110, the horizontal bracket 320 and the vacuum chuck 330 are installed on the three-axis displacement table 310, the positioning tool 200 is installed on a table top of the lower frame 120, the positioning tool 200 includes an air cylinder 210, an optical axis 220, a pressing plate 230, a connecting plate 240, a lower jig 250, and an upper jig 260, the air cylinder 210 is installed in the lower frame 120, a connecting plate 240 is disposed on a piston rod of the air cylinder 210, two ends of the connecting plate 240 are fixedly connected to the optical axis, the fixed clamp plate 230 that is equipped with in top of optical axis 220, the bottom of clamp plate 230 is equipped with a plurality of jigs 260 of going up, the top of lower rack 120 is equipped with a plurality of jigs 250 down, go up jig 260 and jig 250 one-to-one down, the structure of this design, detect the gas tightness of diaphragm through location frock 200 and detection mechanism 300, judge whether leak gas through the diaphragm through the pressure variation difference, adsorb the removal to different positions through vacuum chuck 330 with the diaphragm that detects at last.
The last tool 260 of this embodiment is the cylinder structure, it is equipped with decurrent deep trouth 261 on the tool 260 to go up, it is equipped with air vent 262 on the lateral wall of tool 260 to go up, the structure of this design, cooperation through air vent 262 and deep trouth 261 forms the cavity, when carrying out the diaphragm gas tightness detection, it pushes down the diaphragm to go up tool 260, the mouth membrane cover of deep trouth 261 constitutes airtight space, air vent 262 is aerifyd or is inhaled the atmospheric pressure that the homoenergetic changed in the deep trouth 261, if the diaphragm is normal, this atmospheric pressure value increases or reduces, or the diaphragm leaks, the atmospheric pressure in this deep trouth 261 does not aerify or inhale and changes along with air vent 262.
The gas pipe all is equipped with on the gas hole 262 of last tool 260 of this embodiment, and the external gas detection machine of gas pipe, the gas detection machine is connected with vacuum chuck 330, and the structure of this design, the gas detection machine is installed in last frame 110, carries out the evacuation through the gas detection machine and makes the atmospheric pressure change in the last tool 260 detect the gas tightness of diaphragm.
The lower tool 250 of this embodiment is the cylinder structure, lower tool 250 includes inner core 251 and shell 252, all be equipped with gas pocket 262 on shell 252 and the inner core 251, the structure of this design, lower tool 250 communicates with external atmosphere for diaphragm below when detecting is standard atmospheric pressure environment all the time, the change of the internal atmospheric pressure of tool 260 is gone up in the cooperation, can detect whether the diaphragm leaks, wherein the design of shell 252 and inner core 251, make this detection device detectable not diaphragm of equidimension can further confirm the region of leaking the point according to the gas pocket 262 of shutoff inner core 251 simultaneously.
The conveying mechanism 400 of the embodiment comprises a conveying belt 410 and a conveying frame 420, wherein the conveying belt 410 is installed on the conveying frame 420, one end of the conveying belt 410 extends into the upper frame 110, and according to the designed structure, after detection is completed, the vacuum chuck 330 adsorbs the membrane onto the conveying belt 410 to convey away, and detection and transportation are completed.
Be equipped with accurate fixed block 340 on the vacuum chuck 330 of this embodiment, vacuum chuck 330 is through accurate fixed block 340 and horizontal bracket 320 fixed connection, is equipped with the cross slot 321 of the type of falling T on the horizontal bracket 320, and accurate fixed block 340 passes through bolt and cross slot 321 fixed connection, and the structure of this design, through the fixed vacuum chuck 330 of accurate fixed block 340, the position of accurate fixed block 340 on horizontal bracket 320 is adjustable, is convenient for install and use.
Example 2
Referring to fig. 1 to 6, the method for using an automated device for detecting airtightness of a membrane according to the present embodiment includes the following steps:
s100, placing the membrane to be detected on a lower jig 250;
s200, the upper jig 260 moves downwards to press the diaphragm, and the interior of the upper jig 260 is vacuumized;
s300, detecting the air tightness of the diaphragm by using an air detector, and controlling the upper jig 260 to ascend;
s400, the three-axis displacement table 310 drives the vacuum chuck 330 to adsorb the membrane, and the conveying belt 410 or the waste area is placed.
The specific method of step S300 in this embodiment is that the air detector vacuumizes the upper fixture 260, if the diaphragm leaks, the pressure in the upper fixture 260 will not change, the air detector detects the pressure value to determine whether the diaphragm leaks, and after the detection is completed, the air cylinder 210 controls the upper fixture 260 to ascend.
When the device carries out diaphragm gas tightness detection, operating personnel places the diaphragm under on tool 250, go up tool 260 and press down tool 250, the gas detection machine evacuates to find time the gas in tool 260, make and have pressure differential between last tool 260 and the lower tool 250, if the diaphragm reveals, then the back is taken away to the air in the last tool 260 of this diaphragm top, gas in the lower tool 250 can pass through in the diaphragm transmits to supreme tool 260, can not form pressure differential, after the detection is accomplished, vacuum chuck 330 adsorbs all diaphragms that detect, shift intact diaphragm to conveyer belt 410 respectively and carry, shift the diaphragm that will lose to the waste product district.
The device is internally provided with a controller and a single chip microcomputer, the controller controls the air suction of the air detection machine and the air suction of each vacuum chuck 330, the single chip microcomputer analyzes whether a preset air pressure difference value is reached after the air is sucked in the upper jig 260, if the preset air pressure difference value is reached, the vacuum chuck 330 is controlled to transfer the diaphragm to the upper side of the conveying belt 410, the vacuum chuck 330 stops working, the diaphragm falls down onto the conveying belt 410, if the preset air pressure difference value is not reached, the controller controls the vacuum chuck 330 to absorb the diaphragm and transfer the diaphragm to the conveying belt, the vacuum chuck 330 does not stop working, after the complete diaphragm falls completely, the vacuum chuck 330 absorbs the diaphragm and continues moving to a waste.
The above-mentioned embodiments only express a certain implementation mode of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the present invention; it should be noted that, for those skilled in the art, without departing from the concept of the present invention, several variations and modifications can be made, which are within the protection scope of the present invention; therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (8)
1. The utility model provides a diaphragm gas tightness detects automation equipment which characterized in that: the device comprises a rack (100), a positioning tool (200), a detection mechanism (300) and a conveying mechanism (400), wherein the positioning tool (200) and the detection mechanism (300) are both positioned in the rack (100), the rack (100) comprises an upper frame (110) and a lower frame (120), the detection mechanism (300) comprises a three-axis displacement table (310), a transverse support (320) and a vacuum chuck (330), the three-axis displacement table (310) is arranged in the upper frame (110), the transverse support (320) and the vacuum chuck (330) are arranged on the three-axis displacement table (310), the positioning tool (200) is arranged on the table top of the lower frame (120), the positioning tool (200) comprises an air cylinder (210), an optical axis (220), a pressing plate (230), a connecting plate (240), a lower jig (250) and an upper jig (260), the air cylinder (210) is arranged in the lower frame (120), and a connecting plate (240) is arranged on a piston rod of the air cylinder (210), the utility model discloses a light guide plate, including the both ends fixed connection optical axis (220) of connecting plate (240), optical axis (220) pass the top of lower rack (120) and upwards stretch out, the fixed clamp plate (230) that is equipped with in top of optical axis (220), the bottom of clamp plate (230) is equipped with a plurality of jigs (260) of going up, the top of lower rack (120) is equipped with a plurality of lower jigs (250), go up jig (260) and lower jig (250) one-to-one.
2. The automated membrane airtightness detection apparatus according to claim 1, wherein: go up tool (260) and be the cylinder structure, go up and be equipped with decurrent deep trouth (261) on tool (260), be equipped with gas pocket (262) on the lateral wall of going up tool (260).
3. The automated membrane airtightness detection apparatus according to claim 1, wherein: air pipes are arranged on the air holes (262) of the upper jig (260), the air pipes are externally connected with an air detector, and the air detector is connected with a vacuum sucker (330).
4. The automated membrane airtightness detection apparatus according to claim 1, wherein: the lower jig (250) is of a cylindrical structure, the lower jig (250) comprises an inner core (251) and an outer shell (252), and air holes (262) are formed in the outer shell (252) and the inner core (251).
5. The automated membrane airtightness detection apparatus according to claim 1, wherein: the conveying mechanism (400) comprises a conveying belt (410) and a conveying frame (420), wherein the conveying belt (410) is installed on the conveying frame (420), and one end of the conveying belt (410) extends into the upper frame (110).
6. The automated membrane airtightness detection apparatus according to claim 1, wherein: be equipped with accurate fixed block (340) on vacuum chuck (330), vacuum chuck (330) are through accurate fixed block (340) and lateral frame (320) fixed connection, be equipped with transverse groove (321) of the type of falling T on lateral frame (320), accurate fixed block (340) are through bolt and transverse groove (321) fixed connection.
7. The use method of the automatic membrane airtightness detection device is characterized by comprising the following steps of: the using method comprises the following steps:
s100, placing the membrane to be detected on a lower jig (250);
s200, the upper jig (260) moves downwards to press the diaphragm, and the interior of the upper jig (260) is vacuumized;
s300, detecting the air tightness of the diaphragm by using an air detector, and controlling the upper jig (260) to ascend;
s400, the three-axis displacement table (310) drives the vacuum chuck (330) to adsorb the membrane, and a conveying belt (410) or a waste area is placed.
8. The use method of the automated membrane airtightness detection apparatus according to claim 7, wherein: the specific method of the step S300 is that the air detector vacuumizes the upper jig (260), if the diaphragm leaks, the pressure in the upper jig (260) does not change, the air detector detects the pressure value to determine whether the diaphragm leaks, and after the detection is completed, the air cylinder (210) controls the upper jig (260) to ascend.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010886829.1A CN111947856A (en) | 2020-08-28 | 2020-08-28 | Automatic membrane air tightness detection device and using method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010886829.1A CN111947856A (en) | 2020-08-28 | 2020-08-28 | Automatic membrane air tightness detection device and using method thereof |
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| CN111947856A true CN111947856A (en) | 2020-11-17 |
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| CN202010886829.1A Pending CN111947856A (en) | 2020-08-28 | 2020-08-28 | Automatic membrane air tightness detection device and using method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112964430A (en) * | 2021-02-22 | 2021-06-15 | 重庆鼎盛印务股份有限公司 | Film detection device |
| CN113230896A (en) * | 2021-03-31 | 2021-08-10 | 重庆中烟工业有限责任公司 | A damaged detection device of filtration membrane for syringe needle filter |
-
2020
- 2020-08-28 CN CN202010886829.1A patent/CN111947856A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112964430A (en) * | 2021-02-22 | 2021-06-15 | 重庆鼎盛印务股份有限公司 | Film detection device |
| CN113230896A (en) * | 2021-03-31 | 2021-08-10 | 重庆中烟工业有限责任公司 | A damaged detection device of filtration membrane for syringe needle filter |
| CN113230896B (en) * | 2021-03-31 | 2024-04-19 | 重庆中烟工业有限责任公司 | Filtering membrane damage detection device for needle filter |
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