CN211042591U - Airtight detecting system - Google Patents
Airtight detecting system Download PDFInfo
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- CN211042591U CN211042591U CN201921860261.5U CN201921860261U CN211042591U CN 211042591 U CN211042591 U CN 211042591U CN 201921860261 U CN201921860261 U CN 201921860261U CN 211042591 U CN211042591 U CN 211042591U
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Abstract
The utility model provides an air tightness detection system, which comprises a clamp platform, a buffer tank and a comparison tank, wherein one end of the buffer tank is connected with an air source, the other end of the buffer tank is connected with an air tightness detection device, the air tightness detection device is respectively connected with the comparison tank and a detected workpiece, and the detected workpiece is fixedly arranged on the clamp platform; the fixture platform comprises a fixture body, an edge pressing device, a switching device and a top pressing device, the detected workpiece is placed on the fixture body, three edges of the detected workpiece are respectively pressed by the edge pressing devices arranged on the three edges, and the fourth edge of the detected workpiece is fixed by the switching device; the top of the detected workpiece is pressed by a top pressing device, and the bottom of the clamp platform is also provided with a damping device; the utility model discloses utilize limit portion closing device, auto-change over device, top closing device to jointly act on, can make the detected work piece that multiple different length was placed to the anchor clamps platform.
Description
Technical Field
The utility model relates to an airtight leak hunting technical field, in particular to airtight detecting system.
Background
The current airtight leak detector is before carrying out the gas tightness to the work piece that is detected and detecting, will generally put into anchor clamps and carry out the shutoff, however current anchor clamps can only carry out the dress card to a certain work piece, for example only adorn the card to long work piece and can not adorn the card to short work piece, consequently often need set up a plurality of model anchor clamps to different work pieces when using the gas tightness detector, and it is very inconvenient to use.
SUMMERY OF THE UTILITY MODEL
The purpose of the present invention is to solve at least one of the technical drawbacks.
Therefore, an object of the present invention is to provide an airtight testing system, which can place a plurality of different lengths of workpieces to be tested on a fixture platform.
In order to achieve the above object, the present invention provides an air tightness detecting system, including: the air tightness detection device comprises an air tightness detection device, a clamp platform, a buffer tank and a comparison tank, wherein one end of the buffer tank is connected with an air source, the other end of the buffer tank is connected with the air tightness detection device, the air tightness detection device is respectively connected with the comparison tank and a detected workpiece, and the detected workpiece is fixedly installed on the clamp platform;
the fixture platform comprises a fixture body, an edge pressing device, a switching device and a top pressing device, the detected workpiece is placed on the fixture body, three edges of the detected workpiece are respectively pressed by the edge pressing devices arranged on the three edges, and the fourth edge of the detected workpiece is fixed by the switching device; the top of the detected workpiece is pressed by a top pressing device, and the bottom of the clamp platform is also provided with a damping device;
the air tightness detection device comprises a device body, an air tightness leak detector and a pneumatic controller, wherein the air tightness leak detector and the pneumatic controller are arranged in the device body, and the pneumatic controller is connected with the control ends of the edge pressing device, the switching device and the top pressing device.
In any of the above schemes, preferably, the edge pressing device includes a pressing head assembly, a pressing cylinder and a cylinder support, the cylinder support is arranged on the clamp platform, the pressing cylinder is fixed on the cylinder support, and the pressing cylinder is connected with the pressing head assembly.
In any of the above aspects, preferably, the pressing cylinder is disposed perpendicular to the jig platform.
In any of the above schemes, preferably, the switching device includes a guide rail, a combined cylinder, and a moving frame, the guide rail is disposed on two sides of the moving frame, and the guide rail is fixed on the fixture body, two sides of the moving frame are slidably connected to the guide rails on two sides, and an output shaft of the combined cylinder is fixed to the moving frame.
In any of the above schemes, preferably, the guide rail and the combined cylinder are both arranged parallel to the clamp body and are fixed to the clamp body.
In any of the above solutions, preferably, the top pressing devices are symmetrically arranged on the clamp body.
In any of the above schemes, preferably, the top pressing device includes a rack driving cylinder, a rack, a gear, a rotating shaft, and a pressing plate, the rack driving cylinder is connected to the rack, the rack is engaged with the gear, the rotating end of the gear is connected to the rotating shaft, and the rotating shaft is fixedly provided with a plurality of pressing plates.
In any of the above schemes, preferably, the pressing plate is provided with a plurality of rubber pads.
In any of the above aspects, preferably, the rack driving cylinder is arranged perpendicular to the clamp body.
Preferably in any one of the above schemes, the airtightness detection device comprises an airtightness leak detector, a pneumatic controller, a vacuum pump and a display screen, the input end of the vacuum pump is connected with the buffer tank, the output end of the vacuum pump is connected with the airtightness leak detector, the airtightness leak detector is connected with two gas paths, one gas path is connected with the comparison tank, the other gas path is connected with the detection end of the detected workpiece, and the pneumatic controller is respectively connected with the control ends of the vacuum pump and the airtightness leak detector.
The utility model discloses an airtight detecting system has following beneficial effect:
1. the utility model discloses utilize limit portion closing device, auto-change over device, top closing device combined action, can make the anchor clamps platform place the detected work piece of multiple different length, for example, long work piece, short work piece etc, improve airtight detecting system's application range greatly, and limit portion closing device, auto-change over device, top closing device combined action can make to be detected the work piece and laminate anchor clamps platform closely, make it be difficult for leaking gas when aerifing, thereby improve its gas tightness, and then improve the detection precision of airtight leak detector greatly, avoid because the shutoff does not lead to the fact airtight leak detector to detect inaccurately.
2. The utility model discloses utilize limit portion closing device to come to press from both sides tightly the limit portion that is detected the work piece, utilize top closing device to press from both sides tightly the top that detects the work piece, its tight height-adjustable that presss from both sides utilizes auto-change over device to adjust the tight length of clamp that is detected the work piece, makes it all be suitable for long work piece, short work piece.
3. The utility model discloses still be equipped with damping device in the bottom of anchor clamps platform, improved anchor clamps platform's damping performance greatly.
4. The utility model discloses a theory of operation is simple, and low in manufacturing cost can use widely on a large scale.
5. The utility model discloses utilize pneumatic controller to control airtight detection device, limit portion closing device, auto-change over device, top closing device's work, and then realize automaticly.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a block diagram of the present invention;
FIG. 2 is a block diagram of the fixture platform of the present invention;
fig. 3 is a top view of the clamp platform of the present invention;
fig. 4 is a structural view of the edge pressing device of the present invention;
fig. 5 is a structural view of the switching device of the present invention;
fig. 6 is a structural view of the top hold-down device of the present invention;
fig. 7 is a schematic view of the workpiece to be inspected according to the present invention being a short workpiece;
FIG. 8 is a schematic view of the workpiece to be inspected being a long workpiece according to the present invention
Fig. 9 is a structural view of the airtightness detection apparatus according to the present invention;
fig. 10 is a block diagram of the present invention;
fig. 11 is an internal connection diagram of the air tightness detecting device of the present invention;
in the figure, 1, a buffer tank; 2. an air-tightness detecting device; 3. a comparison tank; 4. detecting a workpiece; 5. a clamp platform; 21. a device body; 22. an airtight leak detector; 23. a pneumatic controller; 51. a clamp body; 52. an edge pressing device; 53. a switching device; 54. a top hold down; 521. a ram assembly; 522. a pressing cylinder; 523. a cylinder support; 531. a guide rail; 532. a combined cylinder; 533. moving the frame; 541. the rack drives the air cylinder; 542. a rack; 543. a gear; 544. a rotating shaft; 545. a compression plate; 546. a rubber pad;
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
The utility model provides a the utility model provides an airtight detecting system, as shown in fig. 1-11, include: airtight detection device 2, anchor clamps platform 5, buffer tank 1, contrast jar 3, the air supply is connected to the one end of buffer tank 1, and airtight detection device 2 is connected to the other end of buffer tank 1, and airtight detection device 2 is connected with contrast jar 3, detected work piece 4 respectively, and fixed mounting is detected the work piece on the anchor clamps platform 5.
As shown in fig. 2 to 3, the jig platform 5 includes a jig body 51, an edge pressing device 52, a switching device 53, and a top pressing device 54, the detected workpiece 4 is placed on the jig body 51, three edges of the detected workpiece are respectively pressed by the edge pressing devices 52 provided on the three edges, and the fourth edge of the detected workpiece 4 is fixed by the switching device 53; the top of the detected workpiece 4 is pressed by the top pressing device 54; in order to improve the anti-seismic performance, the bottom of the clamp platform 5 is also provided with a damping device.
The working principle is as follows: firstly, a detected workpiece is placed on the clamp platform 5, and then the detected workpiece is pressed on the clamp platform 5 through the combined action of the edge pressing device 52, the switching device 53 and the top pressing device 54; next, the airtightness detector 22 of the airtightness detection device 2 is started to detect the airtightness of the workpiece to be detected.
Because it is many to be detected the work piece kind, there is long work piece, short work piece, can be suitable for various detected work pieces in order to make anchor clamps platform 5, consequently the utility model discloses set up limit portion closing device 52, auto-change over device 53, top closing device 54 on the anchor clamps platform, utilize limit portion closing device 52 to come to press from both sides tightly the limit portion that is detected the work piece, utilize top closing device 54 to press from both sides the top that detects the work piece tightly, its tight height-adjustable that presss from both sides, utilize auto-change over device 53 to adjust the tight length of clamp that is detected the work piece, make it all be suitable for long work piece, short work piece.
As shown in fig. 4, the edge pressing device 52 includes a pressing head assembly 521, a pressing cylinder 522, and a cylinder bracket 523, wherein the cylinder bracket 523 is disposed on the clamp platform 5, the pressing cylinder 522 is fixed on the cylinder bracket 523, and the pressing cylinder 522 is connected to the pressing head assembly 521. The hold-down cylinder 522 is disposed perpendicular to the clamp platform 5.
During operation, compress tightly cylinder 522 and drive the perpendicular anchor clamps platform 5 motion of pressure head subassembly 521, when needing to press from both sides tightly to be detected the work piece, compress tightly cylinder 522 and drive pressure head subassembly 521 downstream, pressure head subassembly 521 contact detection work piece presss from both sides tightly.
As shown in fig. 5, the switching device 53 includes a guide rail 531, a combination cylinder 532, and a moving frame 533, wherein the guide rail 531 is disposed on both sides of the moving frame 533, the guide rail 531 is fixed on the jig body 51, both sides of the moving frame 533 are slidably connected to the guide rails 531, and an output shaft of the combination cylinder 532 is fixed to the moving frame 533. The guide rail 531 and the combination cylinder 532 are both disposed parallel to the jig body 51 and are both fixed to the jig body 51.
During operation, the combined cylinder 532 drives the moving frame 533 to slide on the guide rail 531, that is, the combined cylinder 532 drives the moving frame 533 to move parallel to the clamp body 51; when the detected workpiece is a long workpiece, the combined cylinder 532 drives the moving frame 533 to move outwards; when the detected workpiece is a short workpiece, the combined cylinder 532 drives the moving frame 533 to move inward.
As shown in fig. 6, the top pressing means 54 is symmetrically disposed on the jig body 51. The top pressing device 54 includes a rack driving cylinder 541, a rack 542, a gear 543, a rotating shaft 544, and pressing plates 545, wherein the rack driving cylinder 541 is connected to the rack 542, the rack 542 is engaged with the gear 543, a rotating end of the gear 543 is connected to the rotating shaft 544, and a plurality of pressing plates 545 are fixedly disposed on the rotating shaft 544. The rack driving cylinder 541 is disposed perpendicular to the jig body 51.
During operation, being detected work piece 4 and placing on anchor clamps body 51, when needing the top to compress tightly to be detected work piece 4, rack drive actuating cylinder 541 work drives rack 542 up-and-down motion to drive gear 543 and rotate, drive axis of rotation 544 and rotate after that, and then drive pressure strip 545 and rotate along axis of rotation 544, finally reach to compress tightly on anchor clamps body 51 by being detected work piece 4.
Fig. 7 is a schematic view when the detected workpiece 4 is a short workpiece; fig. 8 is a schematic view when the detected workpiece 4 is a long workpiece.
In another embodiment of the present invention, in order to facilitate the rotation of the rotation shaft 544, the other end of the rotation shaft 544 is provided with a fixed bearing.
In another embodiment of the present invention, in order to avoid the pressing plate 545 from damaging the detected workpiece 4, a plurality of rubber pads 546 are disposed on the pressing plate 545.
In another embodiment of the present invention, in order to avoid the pressure head assembly 521 to damage the detected workpiece 4 when compressing tightly, the pressure head assembly 521 may also be provided with a rubber pad.
The utility model discloses a further embodiment, anchor clamps platform 5 still is equipped with the manipulator, and the manipulator is used for detecting work piece 4 from top to bottom, will be detected on work piece 4 puts into anchor clamps body 51.
The utility model discloses an in another embodiment, anchor clamps platform 5 adopts welded structure spare, and the spraying plastics colour is appointed by the purchasing side, prevents to rust, elegant appearance.
In another embodiment of the present invention, as shown in fig. 9 to 11, the air tightness detecting device 2 includes a device body 21, an air tightness leak detector 22, and a pneumatic controller 23, the air tightness leak detector 22 and the pneumatic controller 23 are disposed in the device body 21, and the pneumatic controller 23 is connected to the control ends of the edge pressing device 52, the switching device 53, and the top pressing device 54. The pneumatic controller controls the operation of the edge pressing device 52, the switching device 53 and the top pressing device 54.
As shown in fig. 11, the airtightness detection apparatus 2 includes an airtightness leak detector 22, a pneumatic controller 23, a vacuum pump 24, and a display screen 25, an input end of the vacuum pump 24 is connected to the buffer tank 1, an output end of the vacuum pump 24 is connected to the airtightness leak detector 22, the airtightness leak detector 22 is connected to two gas paths, one gas path is connected to the comparison tank 3, the other gas path is connected to a detection end of the detected workpiece 4, and the pneumatic controller 23 is connected to control ends of the vacuum pump 24 and the airtightness leak detector 22, respectively.
After the workpiece to be detected is pressed on the clamp body 51, the airtightness leak detector 22 starts to detect the airtightness of the workpiece to be detected, and the principle is as follows: gas in a gas source is introduced into two gas paths of an airtight leak detector 22 through a buffer tank 1 and a vacuum pump 24 and respectively output to a comparison tank 3 and a detected workpiece 4, the airtight leak detector 22 detects the pressure of the comparison tank 3 and the detected workpiece 4, if the detection result is qualified, a signal lamp in the airtight leak detector 22 is turned on in a green light mode, and the qualified result is transmitted to a main station; and if the detection result is unqualified, performing audible and visual alarm, and transmitting the unqualified result to the master station.
It should be noted that the internal structure and the operation principle of the airtight leak detector 22, the pneumatic controller 23 and the display screen 25 of the present invention are all disclosed in the art; hermetic leak detector 22 employs mass flow metering principles that are well established in the industry.
The metering principle of the mass flow method is as follows: when the air inflation is carried out, the detected workpiece end and the comparison tank are simultaneously inflated, and the air inflation is stopped after the pressure is stabilized. If the detected workpiece end has leakage, the gas in the cavity flows to the detected workpiece end, and the leakage rate from the cavity end to the detected workpiece end can be tested by using a mass flowmeter. And then calculating the leakage amount of the whole system.
To sum up, the utility model discloses utilize limit portion closing device, auto-change over device, top closing device combined action, can make the anchor clamps platform place the detected work piece of multiple different length, for example long work piece, short work piece etc. improve airtight detecting system's application range greatly to limit portion closing device, auto-change over device, top closing device combined action can make to be detected the work piece and laminate anchor clamps platform closely, improve its gas tightness, thereby improve the detection precision of airtight leak detector greatly, avoid because the shutoff does not lead to the fact airtight leak detector to detect inaccurately not tightly.
Although embodiments of the present invention have been shown and described, it is to be understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that changes, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the principles and spirit of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. An air tightness detection system comprising: the air tightness detection device is characterized by further comprising a clamp platform, a buffer tank and a comparison tank, wherein one end of the buffer tank is connected with an air source, the other end of the buffer tank is connected with an air tightness detection device, the air tightness detection device is respectively connected with the comparison tank and a detected workpiece, and the detected workpiece is fixedly installed on the clamp platform;
the fixture platform comprises a fixture body, an edge pressing device, a switching device and a top pressing device, the detected workpiece is placed on the fixture body, three edges of the detected workpiece are respectively pressed by the edge pressing devices arranged on the three edges, and the fourth edge of the detected workpiece is fixed by the switching device; the top of the detected workpiece is pressed by a top pressing device, and the bottom of the clamp platform is also provided with a damping device;
the air tightness detection device comprises a device body, an air tightness leak detector and a pneumatic controller, wherein the air tightness leak detector and the pneumatic controller are arranged in the device body, and the pneumatic controller is connected with the control ends of the edge pressing device, the switching device and the top pressing device.
2. The air tightness detecting system according to claim 1, wherein the edge pressing device comprises a pressing head assembly, a pressing cylinder and a cylinder support, the cylinder support is arranged on the clamp platform, the pressing cylinder is fixed on the cylinder support, and the pressing cylinder is connected with the pressing head assembly.
3. The hermeticity detection system of claim 2, wherein the hold-down cylinder is disposed perpendicular to the clamp platform.
4. The air tightness detecting system according to claim 1, wherein the switching device comprises a guide rail, a combined cylinder, and a movable frame, the guide rail is disposed on two sides of the movable frame and fixed on the clamp body, two sides of the movable frame are slidably connected with the guide rails on two sides, and an output shaft of the combined cylinder is fixed with the movable frame.
5. The air tightness detecting system according to claim 4, wherein the guide rail and the combined cylinder are disposed parallel to the jig body and are fixed to the jig body.
6. The air tightness detection system of claim 1 wherein said top clamping means are symmetrically disposed on the clamp body.
7. The air tightness detecting system according to claim 1, wherein the top pressing device comprises a rack driving cylinder, a rack, a gear, a rotating shaft and a pressing plate, the rack driving cylinder is connected with the rack, the rack is meshed with the gear, the rotating end of the gear is connected with the rotating shaft, and a plurality of pressing plates are fixedly arranged on the rotating shaft.
8. The air tightness detection system of claim 7 wherein said pressure strip has a plurality of rubber pads disposed thereon.
9. The air tightness detection system according to claim 7, wherein the rack driving cylinder is disposed perpendicular to the jig body.
10. The airtightness detection system according to claim 1, wherein the airtightness detection apparatus comprises an airtightness detector, a pneumatic controller, a vacuum pump, and a display screen, an input end of the vacuum pump is connected to the buffer tank, an output end of the vacuum pump is connected to the airtightness detector, the airtightness detector is connected to two gas paths, one gas path is connected to the comparison tank, the other gas path is connected to a detection end of the workpiece to be detected, and the pneumatic controller is connected to control ends of the vacuum pump and the airtightness detector, respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921860261.5U CN211042591U (en) | 2019-10-31 | 2019-10-31 | Airtight detecting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921860261.5U CN211042591U (en) | 2019-10-31 | 2019-10-31 | Airtight detecting system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211042591U true CN211042591U (en) | 2020-07-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921860261.5U Active CN211042591U (en) | 2019-10-31 | 2019-10-31 | Airtight detecting system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211042591U (en) |
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2019
- 2019-10-31 CN CN201921860261.5U patent/CN211042591U/en active Active
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