CN215952896U - Air tightness testing machine - Google Patents
Air tightness testing machine Download PDFInfo
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- CN215952896U CN215952896U CN202121805046.2U CN202121805046U CN215952896U CN 215952896 U CN215952896 U CN 215952896U CN 202121805046 U CN202121805046 U CN 202121805046U CN 215952896 U CN215952896 U CN 215952896U
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Abstract
The utility model discloses an air tightness testing machine which comprises a machine table, wherein a workpiece seat used for placing a workpiece is arranged on the machine table, a sealing cylinder is vertically and downwards arranged above the workpiece seat, a cover plate used for sealing the upper part of the workpiece is arranged on a cylinder arm of the sealing cylinder, a plurality of plug cylinders are horizontally arranged on the machine table, and plugs for plugging holes on the side surfaces of the workpiece are arranged on the cylinder arms of the plug cylinders; the workpiece cavity is communicated with a workpiece cavity through a plurality of inflation holes; the device also comprises an air pressure sensor or an air pressure meter for monitoring the air pressure in the air pipe or the workpiece cavity. The utility model has the beneficial effects that: can carry out the gas tightness test under the high, middle and low pressure condition to the work piece fast, high-efficiently, the equal height-adjustable of four feet of board makes it all can steady work under the condition that has or not rag bolt.
Description
Technical Field
The utility model relates to the field of machinery, in particular to an air tightness testing machine.
Background
A gas tightness test for a workpiece having a cavity is a common performance test. The technical problem to be solved at present is how to quickly and efficiently perform an air tightness test for a workpiece with a plurality of independent cavities.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to provide an air-tightness testing machine that solves the above-mentioned problems.
In order to achieve the purpose, the utility model provides the following technical scheme:
a gas tightness test machine comprises a machine table, wherein a workpiece seat used for placing a workpiece is arranged on the machine table, a sealing cylinder is vertically arranged above the workpiece seat downwards, a cover plate used for sealing the upper part of the workpiece is arranged on a cylinder arm of the sealing cylinder, a plurality of plug cylinders are horizontally arranged on the machine table, and plugs for plugging holes in the side surfaces of the workpiece are arranged on the cylinder arms of the plug cylinders; the workpiece cavity is communicated with a workpiece cavity through a plurality of inflation holes; the device also comprises an air pressure sensor or an air pressure meter for monitoring the air pressure in the air pipe or the workpiece cavity.
Preferably, a sealing groove is formed in the workpiece seat, and a sealing ring for sealing the workpiece is arranged in the sealing groove.
Preferably, the inflation hole is arranged on the workpiece seat.
Preferably, the device also comprises a high-pressure gas tank arranged on one side of the machine table, and the high-pressure gas tank is communicated with the inflation hole through a pressure regulating pipeline.
Preferably, the pressure regulating pipeline is arranged below the workpiece seat and comprises a plurality of pressure regulating valves and a pneumatic control valve.
Preferably, the machine table is provided with water baffles around the workpiece seat.
Preferably, the lower part of the machine table is provided with four supporting legs, and the supporting legs are connected to the machine table through bolts and threads.
Preferably, the board lower part is provided with four fixed feet, fixed foot all includes that the cross section is the fixed plate of L font, two sides of fixed plate all are fixed through the bolt on the board, still the level is provided with the backup pad on the fixed plate, be provided with the through-hole of being connected with rag bolt in the backup pad.
Preferably, two elongated adjusting holes are formed in two side faces of the fixing plate, and the fixing plate is fixed to the machine table through bolts penetrating through the adjusting holes.
Preferably, a spare part platform is arranged on one side of the machine table, and a defective product conveying belt is arranged below the spare part platform.
The utility model has the beneficial effects that: can carry out the gas tightness test under the high, middle and low pressure condition to the work piece fast, high-efficiently, the equal height-adjustable of four feet of board makes it all can steady work under the condition that has or not rag bolt.
Drawings
Fig. 1 is a schematic perspective view of an airtightness testing machine according to the present invention;
FIG. 2 is a schematic perspective view of a portion of the housing removed;
fig. 3 is a partial perspective view at a bottom view angle.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
As shown in fig. 1 to 3, an air tightness testing machine of the present invention includes a machine 10. A workpiece seat 12 for placing a workpiece is disposed on the machine 10, a sealing groove (not shown) is disposed on the workpiece seat 12, and a sealing ring 14 for sealing the workpiece is disposed in the sealing groove. A sealing cylinder 16 is vertically arranged downwards above the workpiece seat 12, and a cover plate 18 for sealing the upper part of the workpiece is arranged on a cylinder arm of the sealing cylinder 16. The cover plate 18 is also provided with a seal ring 14 for sealing the workpiece. This allows the seal cylinder 16 to depress the cover plate 18 and seal the upper and lower surfaces of the cavity of the workpiece by the cooperation of the workpiece holder 12 and the cover plate 18. If there are a plurality of cavities, the seal rings 14 on the workpiece holder 12 and the cover plate 18 may be provided in plurality, so that the cavities are closed individually. A plurality of plug cylinders 20 are horizontally arranged on the machine table 10, and plugs (not shown) for plugging holes on the side surfaces of the workpieces are arranged on cylinder arms of the plug cylinders 20.
The workpiece seat 12 is provided with a plurality of inflation holes 22 communicated with workpiece cavities, and at least one cavity corresponds to one inflation hole 22. The device also comprises a high-pressure air tank 24 arranged on one side of the machine table 10, wherein the high-pressure air tank 24 is communicated with the inflating hole 22 through a pressure regulating pipeline 26.
An air pressure sensor (not shown) or an air pressure gauge (not shown) is also included to monitor the air pressure in the air tube or the workpiece cavity. The air pressure sensor can transmit the pressure to the background system in real time, and of course, the test result can be obtained by checking the air pressure meter at intervals of set time.
The pressure regulating line 26 is disposed below the workpiece holder 12, and the pressure regulating line 26 includes a plurality of pressure regulating valves (not shown) and pneumatic valves (not shown). The pressure regulating valve can realize the test of different cavities under different pressure conditions, and other cavities can be communicated with the atmosphere in the test process of a certain cavity so as to avoid the interference of test results. The pneumatic control valve can realize the rapid regulation and control of pressure so as to improve the efficiency. The specific routing of the regulator circuit 26 is conventional in the art and its structure is not itself innovative in the present invention and is therefore not shown in detail.
Further, the machine 10 is provided with water baffles 28 around the workpiece seat 12 to prevent water on the robot or the workpiece from flowing into the electromechanical device below and causing accidents.
The lower part of the machine table 10 is provided with four supporting legs 30, and the supporting legs 30 are connected to the machine table 10 through bolts and threads.
The lower portion of the machine table 10 is further provided with four fixing feet 32, the fixing feet 32 respectively comprise a fixing plate 34 with an L-shaped cross section, two side faces of the fixing plate 34 are fixed on the machine table 10 through bolts, a supporting plate 36 is further horizontally arranged on the fixing plate 34, and a through hole 38 connected with an anchor bolt is formed in the supporting plate 36. Two elongated adjusting holes 40 are formed in two side surfaces of the fixing plate 34, and the fixing plate 34 is fixed on the machine table 10 through bolts penetrating through the adjusting holes 40.
In the case where the anchor bolts 46 are installed on the floor of the workshop, the anchor bolts 46 may be inserted into the through holes 38, thereby fixing the machine 10. The machine table 10 can be adjusted horizontally by adjusting the position of the adjusting bolt in the adjusting hole 40.
Under the condition that foundation bolts are installed on the ground of a workshop, the height of the supporting legs 30 can be adjusted, so that the supporting legs support the machine table 10 and are adjusted to be horizontal.
A spare part platform 42 is disposed at one side of the machine 10, and a defective product conveyor 44 is disposed below the spare part platform 42. The spare part platform 42 is used for placing standard parts or workpieces to be detected, detecting unqualified workpieces and conveying the unqualified workpieces away through a defective product conveying belt 44.
The utility model can work with a manipulator, the manipulator firstly places the standard component on the spare part platform 42 on the workpiece seat 12, the sealing cylinder 16 is pressed downwards, the plug cylinder 20 extends forwards to seal the side opening, and the pressure regulating pipeline 26 inflates air into the standard component through the inflating hole 22 for testing. The operator can adjust the air tightness testing machine according to the testing result. Then, the robot hand feeds the workpiece to be tested to the workpiece holder 12, and the above steps are repeated to perform the airtightness test. After the test is completed, the workpiece is taken out by the robot, the workpiece of OK is sent to the next process, and the workpiece of NG is sent to the defective product conveyor 44.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. The utility model provides an air tightness test machine, its includes the board, its characterized in that: the machine table is provided with a workpiece seat for placing a workpiece, a sealing cylinder is vertically arranged below the workpiece seat, a cylinder arm of the sealing cylinder is provided with a cover plate for sealing the upper part of the workpiece, the machine table is horizontally provided with a plurality of plug cylinders, and the cylinder arms of the plug cylinders are provided with plugs for plugging holes on the side surfaces of the workpiece; the workpiece cavity is communicated with a workpiece cavity through a plurality of inflation holes; the device also comprises an air pressure sensor or an air pressure meter for monitoring the air pressure in the air pipe or the workpiece cavity.
2. The airtightness testing machine according to claim 1, wherein: the workpiece seat is provided with a sealing groove, and a sealing ring for sealing the workpiece is arranged in the sealing groove.
3. The airtightness testing machine according to claim 1, wherein: the inflation hole is arranged on the workpiece seat.
4. The airtightness testing machine according to claim 1, wherein: still including setting up the high-pressure gas pitcher of board one side, high-pressure gas pitcher passes through a pressure regulating pipeline intercommunication the hole of aerifing.
5. The airtightness testing machine according to claim 4, wherein: the pressure regulating pipeline is arranged below the workpiece seat and comprises a plurality of pressure regulating valves and a pneumatic control valve.
6. The airtightness testing machine according to claim 5, wherein: and water baffles are arranged on the machine table around the workpiece seat.
7. The airtightness testing machine according to claim 1, wherein: the lower part of the machine table is provided with four supporting legs which are connected to the machine table through bolts and threads.
8. The airtightness testing machine according to claim 7, wherein: the machine table is characterized in that four fixing feet are arranged on the lower portion of the machine table and comprise fixing plates with L-shaped cross sections, two side faces of each fixing plate are fixed to the machine table through bolts, a supporting plate is horizontally arranged on each fixing plate, and through holes connected with foundation bolts are formed in the supporting plate.
9. The airtightness testing machine according to claim 8, wherein: two elongated adjusting holes are formed in two side faces of the fixing plate, and the fixing plate is fixed on the machine table through bolts penetrating through the adjusting holes.
10. The airtightness testing machine according to claim 1, wherein: one side of the machine platform is provided with a spare part platform, and a defective product conveying belt is arranged below the spare part platform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121805046.2U CN215952896U (en) | 2021-08-04 | 2021-08-04 | Air tightness testing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121805046.2U CN215952896U (en) | 2021-08-04 | 2021-08-04 | Air tightness testing machine |
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| Publication Number | Publication Date |
|---|---|
| CN215952896U true CN215952896U (en) | 2022-03-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121805046.2U Active CN215952896U (en) | 2021-08-04 | 2021-08-04 | Air tightness testing machine |
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| CN (1) | CN215952896U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117073932A (en) * | 2023-08-25 | 2023-11-17 | 连云港华港电力设备有限公司 | Leakage detection device for heat exchange tube of condenser and use method of leakage detection device |
-
2021
- 2021-08-04 CN CN202121805046.2U patent/CN215952896U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117073932A (en) * | 2023-08-25 | 2023-11-17 | 连云港华港电力设备有限公司 | Leakage detection device for heat exchange tube of condenser and use method of leakage detection device |
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