CN109406073A - A kind of device of aluminium alloy castings shell air-leakage test - Google Patents
A kind of device of aluminium alloy castings shell air-leakage test Download PDFInfo
- Publication number
- CN109406073A CN109406073A CN201811329067.4A CN201811329067A CN109406073A CN 109406073 A CN109406073 A CN 109406073A CN 201811329067 A CN201811329067 A CN 201811329067A CN 109406073 A CN109406073 A CN 109406073A
- Authority
- CN
- China
- Prior art keywords
- cover board
- cylinder
- hole
- groove
- plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000005266 casting Methods 0.000 title claims abstract description 14
- 229910000838 Al alloy Inorganic materials 0.000 title claims abstract description 8
- 238000012360 testing method Methods 0.000 title claims abstract description 8
- 238000003825 pressing Methods 0.000 claims abstract description 24
- 238000007789 sealing Methods 0.000 claims abstract description 15
- 230000006837 decompression Effects 0.000 claims abstract description 13
- 239000000463 material Substances 0.000 claims description 4
- 230000001815 facial effect Effects 0.000 claims description 3
- 239000007769 metal material Substances 0.000 claims description 3
- 230000002459 sustained effect Effects 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 238000001514 detection method Methods 0.000 abstract description 6
- 239000007789 gas Substances 0.000 abstract description 6
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract description 4
- 238000003780 insertion Methods 0.000 abstract description 3
- 230000037431 insertion Effects 0.000 abstract description 3
- 229910052757 nitrogen Inorganic materials 0.000 abstract description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Classifications
-
- 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
- G01M3/32—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 for containers, e.g. radiators
- G01M3/3236—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 for containers, e.g. radiators by monitoring the interior space of the containers
- G01M3/3272—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 for containers, e.g. radiators by monitoring the interior space of the containers for verifying the internal pressure of closed containers
-
- 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
- G01M3/32—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 for containers, e.g. radiators
- G01M3/3281—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 for containers, e.g. radiators removably mounted in a test cell
- G01M3/329—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 for containers, e.g. radiators removably mounted in a test cell for verifying the internal pressure of closed containers
Abstract
The present invention provides a kind of device of aluminium alloy castings shell air-leakage test, realizes that the casting air-tightness independent detection works.Air tightness detection apparatus mainly includes cylinder, decompression mouth, air inflation nozzle, sealing ring, cover board, seven gasket, pressing plate parts.When use, examined workpiece fitting surface is placed in the groove of cover plate central, installs gasket between part and cover board additional, pressing plate is pressed on workpiece, it is fastened with eight nuts, workpiece is fixed between cover board and pressing plate, sealing ring is put into the annular groove on cover board, by the annular groove of cylinder lateral wall insertion cover board, rotating cylinder, by the hole on the hole and cover board on trunnion to just, pressure gauge is connected on decompression mouth, tracheae is connect with air inflation nozzle.Nitrogen is filled in cylinder by air inflation nozzle, gas pressure intensity in cylinder is detected, detects whether gas leakage after standing.
Description
Technical field
The present invention relates to a kind of special air-tight detection device, it is mainly used for certain airtight inspection of thin-walled aluminium alloy castings shell
It surveys.
Background technique
Certain aluminium alloy castings is wall shell structure, because there may be the casting flaws such as stomata, loose for its material cast aluminium, is influenced
The leakproofness of shell.Therefore it needs to detect its compactness；Pervious compactness detection method is by the component assembly to group
Air tightness test is integrally carried out to component after the completion of after on part, if it will cause the entirety of product to do over again for the casting gas leakage, therefore,
It solves the problems, such as the casting air-tightness independent test, plays an important role to the production process and quality of product.
Summary of the invention
The present invention provides a kind of device of aluminium alloy castings shell air-leakage test, realize that the casting air-tightness is independently examined
Survey work.
It the purpose of the present apparatus and solves its technical problem and adopts the following technical solutions realization.The present apparatus proposes one kind
The air tightness detection apparatus of Al-alloy casing casting mainly includes cylinder, decompression mouth, air inflation nozzle, sealing ring, cover board, gasket, pressure
Seven part compositions of plate.
The cylinder of the present apparatus is the cylindrical tube of one end open closed at one end, and there are two through-hole, cylinders on cylinder bottom plate
It is evenly distributed with four trunnions of evagination on side wall sustained height, has a through-hole on each trunnion.
The cover board of the present apparatus is round plate, and plate has an annular groove, the wall thickness of recess width and cylinder on one side
It is identical.The outside of annular groove is evenly distributed with four through-holes, and clear size of opening and position are corresponding with the through-hole on cylinder trunnion.
Cover plate central does groove according to the assembly facial contour of workpiece to be checked.There is a through-hole in groove.It is uniformly distributed total on the outside of groove
Eight bolts, by being welded to connect on the cover board.
The pressing plate of the present apparatus is a plate, has eight through-holes on plate.Spiral shell on clear size of opening and relative position and cover board
Bolt size positions are corresponding.
The sealing ring size of the present apparatus is identical as the annular groove on cover board, and thickness can be the half of annular groove depth.
The gasket size of the present apparatus and the groove type of cover plate central are same, with a thickness of the general of depth of groove, on gasket
There are a through-hole, clear size of opening and position corresponding with the through-hole in cover board upper groove.
Cylinder, cover board, pressing plate, decompression mouth, the air inflation nozzle of the present apparatus use metal material.Sealing ring, gasket are rubber
Material.
The air inflation nozzle of the present apparatus and decompression mouth are separately mounted on two through-holes on the outside of cylinder bottom plate, can be used welding or
It is bolted, needs to guarantee the leakproofness of connection.
The cylinder and cover board of the present apparatus are bolted, and sealing ring is put into the groove on cover board.Barrel insertion lid
In annular groove on plate, by rotary barrel by the hole on the hole and cover board of cylinder trunnion to just, by bolt by cylinder and lid
Plate connection.
The pressing plate and cover board connection type of the present apparatus are as follows, gasket are put into the groove of cover plate central, lid panel notches
To just, workpiece fitting surface to be checked is placed in groove through-hole on interior through-hole, gasket, the through-hole on cover board should in workpiece
Chamber connection.After stud alignment on the through-hole and cover board on pressing plate, pressing plate is pressed on workpiece, will be pressed by the bolt on cover board
Plate and cover board are connected and fixed.
In use, can operate as follows:
Step 1: examined workpiece fitting surface is placed in the groove of the cover plate central of the present apparatus, installed additional between part and cover board close
Packing.The through-hole on through-hole and cover board on gasket is connected to just with the inner cavity of workpiece.
Step 2: eight through-holes on pressing plate are pressed on workpiece by the bolt on cover board, fastened with eight nuts,
Workpiece is fixed between cover board and pressing plate.
Step 3: sealing ring is put into the annular groove on cover board, cylinder lateral wall is inserted into the annular groove of cover board,
Rotating cylinder is bolted by the hole on the hole and cover board on trunnion to just.
Step 4: pressure gauge is connected on decompression mouth, tracheae is connect with air inflation nozzle.Nitrogen is filled with by air inflation nozzle
In cylinder, and with gas pressure intensity in pressure gauge real-time detection cylinder, guarantee that airtight test air pressure meets design pressure requirement.
Step 5: static placement specified time, checks whether gas leakage by pressure gauge.
Detailed description of the invention
Fig. 1 workpiece main view to be checked
Fig. 2 workpiece top view to be checked
Fig. 3 pressing plate main view
Fig. 4 pressing plate top view
Fig. 5 cover board main view
Fig. 6 cover board top view
Fig. 7 gas check schematic diagram
1- cylinder, 2- decompression mouth, 3- air inflation nozzle, 4- sealing ring, 5- cover board, 6- workpiece to be checked, 7- gasket,
8- pressing plate；
Specific embodiment
The present apparatus is described further below by example:
Device proposes a kind of air tightness detection apparatus of casting shell, mainly includes cylinder, decompression mouth, air inflation nozzle, sealing
Seven circle, cover board, gasket, pressing plate part compositions.
The cylinder of the present apparatus is the cylindrical tube of one end open closed at one end, and there are two through-hole, cylinders on cylinder bottom plate
It is evenly distributed with four trunnions of evagination on side wall sustained height, has a through-hole on each trunnion.
The cover board of the present apparatus is round plate, and plate has an annular groove, the wall thickness of recess width and cylinder on one side
It is identical.The outside of annular groove is evenly distributed with four through-holes, and clear size of opening and position are corresponding with the through-hole on cylinder trunnion.
Cover plate central does groove according to the assembly facial contour of workpiece to be checked.There is a through-hole in groove.It is uniformly distributed total on the outside of groove
Eight bolts, by being welded to connect on the cover board.
The pressing plate of the present apparatus is a plate, has eight through-holes on plate.Spiral shell on clear size of opening and relative position and cover board
Bolt size positions are corresponding.
The sealing ring size of the present apparatus is identical as the annular groove on cover board, and thickness can be the half of annular groove depth.
The gasket size of the present apparatus and the groove type of cover plate central are same, with a thickness of the general of depth of groove, on gasket
There are a through-hole, clear size of opening and position corresponding with the through-hole in cover board upper groove.
Cylinder, cover board, pressing plate, decompression mouth, the air inflation nozzle of the present apparatus use metal material.Sealing ring, gasket are rubber
Material.
The air inflation nozzle of the present apparatus and decompression mouth are separately mounted on two through-holes on the outside of cylinder bottom plate, can be used welding or
It is bolted, needs to guarantee the leakproofness of connection.
The cylinder and cover board of the present apparatus are bolted, and sealing ring is put into the groove on cover board.Barrel insertion lid
In annular groove on plate, by rotary barrel by the hole on the hole and cover board of cylinder trunnion to just, by bolt by cylinder and lid
Plate connection.
The pressing plate and cover board connection type of the present apparatus are as follows, gasket are put into the groove of cover plate central, lid panel notches
To just, workpiece fitting surface to be checked is placed in groove through-hole on interior through-hole, gasket, the through-hole on cover board should in workpiece
Chamber connection.After stud alignment on the through-hole and cover board on pressing plate, pressing plate is pressed on workpiece, will be pressed by the bolt on cover board
Plate and cover board are connected and fixed.
Claims (1)
1. a kind of device of aluminium alloy castings shell air-leakage test, which is characterized in that including cylinder, decompression mouth, air inflation nozzle, close
Seal, cover board, gasket, pressing plate；Cylinder is the cylindrical tube of one end open closed at one end, and there are two logical on cylinder bottom plate
Hole, four trunnions of uniformly distributed evagination on cylinder lateral wall sustained height have a through-hole on each trunnion；Cover board is round plate,
Plate has an annular groove on one side, and recess width is identical as the wall thickness of cylinder；The outside of annular groove is evenly distributed with four through-holes,
Clear size of opening and position are corresponding with the through-hole on cylinder trunnion；Cover plate central does recessed according to the assembly facial contour of workpiece to be checked
Slot has a through-hole, uniformly distributed totally eight bolts on the outside of groove, by being welded to connect on the cover board in groove；Pressing plate is a plate,
There are eight through-holes on plate, clear size of opening is corresponding with Bolt sizes position on cover board with relative position；Sealing ring size and lid
Annular groove on plate is identical, and thickness can be the half of annular groove depth；The groove type of gasket size and cover plate central is same,
With a thickness of the general of depth of groove, there are a through-hole, clear size of opening and position opposite with the through-hole in cover board upper groove on gasket
It answers；Cylinder, cover board, pressing plate, decompression mouth, air inflation nozzle use metal material, and sealing ring, gasket are rubber material；Air inflation nozzle and
Decompression mouth is separately mounted on two through-holes on the outside of cylinder bottom plate, and using welding or being bolted, cylinder and cover board pass through spiral shell
It tethers and connects, sealing ring is put into the groove on cover board, and barrel is inserted into the annular groove on cover board, rotary barrel cylinder trunnion
Hole on hole and cover board is connected cylinder with cover board by bolt, gasket is placed in the groove of cover plate central, cover board to just
For the through-hole on through-hole, gasket in groove to just, stud alignment on the through-hole and cover board on pressing plate passes through pressing plate and cover board
Bolt connection on cover board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811329067.4A CN109406073B (en) | 2018-11-09 | 2018-11-09 | Aluminum alloy casting shell device for detecting air tightness |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811329067.4A CN109406073B (en) | 2018-11-09 | 2018-11-09 | Aluminum alloy casting shell device for detecting air tightness |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109406073A true CN109406073A (en) | 2019-03-01 |
| CN109406073B CN109406073B (en) | 2024-04-16 |
Family
ID=65472425
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811329067.4A Active CN109406073B (en) | 2018-11-09 | 2018-11-09 | Aluminum alloy casting shell device for detecting air tightness |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109406073B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201331418Y (en) * | 2008-10-13 | 2009-10-21 | 潍坊潍柴零部件机械有限公司 | Air-tightness detection device of shell body |
| CN101936800A (en) * | 2010-09-30 | 2011-01-05 | 江苏南方机电股份有限公司 | Detection equipment of air tightness of shell |
| CN202177493U (en) * | 2011-07-19 | 2012-03-28 | 浙江吉利汽车研究院有限公司 | Oil sump housing sealing detection apparatus |
| US20140165708A1 (en) * | 2012-12-13 | 2014-06-19 | Tesat-Spacecom Gmbh & Co. Kg | Method for leak testing a housing |
| CN205483424U (en) * | 2015-12-30 | 2016-08-17 | 重庆顺多利机车有限责任公司 | Intercooler casing gas tightness detection device |
| CN206683826U (en) * | 2017-05-08 | 2017-11-28 | 大连恒宝工业有限公司 | Housing class die casting air tightness detection apparatus |
| CN209069536U (en) * | 2018-11-09 | 2019-07-05 | 北京航天新风机械设备有限责任公司 | A kind of device of aluminium alloy castings shell air-leakage test |
-
2018
- 2018-11-09 CN CN201811329067.4A patent/CN109406073B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201331418Y (en) * | 2008-10-13 | 2009-10-21 | 潍坊潍柴零部件机械有限公司 | Air-tightness detection device of shell body |
| CN101936800A (en) * | 2010-09-30 | 2011-01-05 | 江苏南方机电股份有限公司 | Detection equipment of air tightness of shell |
| CN202177493U (en) * | 2011-07-19 | 2012-03-28 | 浙江吉利汽车研究院有限公司 | Oil sump housing sealing detection apparatus |
| US20140165708A1 (en) * | 2012-12-13 | 2014-06-19 | Tesat-Spacecom Gmbh & Co. Kg | Method for leak testing a housing |
| CN205483424U (en) * | 2015-12-30 | 2016-08-17 | 重庆顺多利机车有限责任公司 | Intercooler casing gas tightness detection device |
| CN206683826U (en) * | 2017-05-08 | 2017-11-28 | 大连恒宝工业有限公司 | Housing class die casting air tightness detection apparatus |
| CN209069536U (en) * | 2018-11-09 | 2019-07-05 | 北京航天新风机械设备有限责任公司 | A kind of device of aluminium alloy castings shell air-leakage test |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109406073B (en) | 2024-04-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 100854 No. 52, Yongding Road, Beijing, Haidian District Applicant after: Beijing Xinfeng Aerospace Equipment Co.,Ltd. Address before: 100854 No. 52, Yongding Road, Beijing, Haidian District Applicant before: BEIJING HANGTIAN XINFENG MECHANICAL EQUIPMENT Co.,Ltd. |
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| GR01 | Patent grant |