CN112903210A - Dry-type air tightness detection test bed for punching and welding axle housing and process method thereof - Google Patents
Dry-type air tightness detection test bed for punching and welding axle housing and process method thereof Download PDFInfo
- Publication number
- CN112903210A CN112903210A CN202110383988.4A CN202110383988A CN112903210A CN 112903210 A CN112903210 A CN 112903210A CN 202110383988 A CN202110383988 A CN 202110383988A CN 112903210 A CN112903210 A CN 112903210A
- Authority
- CN
- China
- Prior art keywords
- axle housing
- air tightness
- test bed
- supporting
- detection
- 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.)
- Pending
Links
- 238000001514 detection method Methods 0.000 title claims abstract description 91
- 238000003466 welding Methods 0.000 title claims abstract description 51
- 238000000034 method Methods 0.000 title claims abstract description 27
- 238000004080 punching Methods 0.000 title claims abstract description 27
- 230000008569 process Effects 0.000 title claims abstract description 16
- 238000007789 sealing Methods 0.000 claims description 50
- 230000007246 mechanism Effects 0.000 claims description 30
- 238000003825 pressing Methods 0.000 claims description 19
- 230000006835 compression Effects 0.000 claims description 10
- 238000007906 compression Methods 0.000 claims description 10
- 230000000903 blocking effect Effects 0.000 claims description 6
- 239000002131 composite material Substances 0.000 claims description 3
- 239000000945 filler Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 238000009434 installation Methods 0.000 description 4
- 238000007689 inspection Methods 0.000 description 3
- 238000005493 welding type Methods 0.000 description 3
- 230000003749 cleanliness Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
The invention discloses a dry-type air tightness detection test bed for a punching and welding axle housing and a process method thereof, belonging to the technical field of design and manufacture of automobile production process equipment. The dry-type air tightness detection test bed for the impact welding axle housing is convenient to operate, high in detection reliability and high in effectiveness, and the technological method for detecting the air tightness of the impact welding axle housing by adopting the dry-type air tightness detection test bed is provided. The dry-type air tightness detection test bed comprises a control system, a fixed support rack and an air tightness inflation detection system, wherein a punching and welding axle housing arranged on the fixed support rack is compacted and automatically detected under the control of the control system through the air tightness inflation detection system. Therefore, the detection test bed provided by the application is used for dry-type air tightness detection realized in an inflation mode and automatically completed under the control of the control system on the detection test bed, so that the operation is simple, the detection reliability is high, and the effectiveness is high.
Description
Technical Field
The invention relates to a dry-type air tightness detection test bed, in particular to a dry-type air tightness detection test bed for a punching and welding axle housing, and belongs to the technical field of design and manufacture of automobile production process equipment. The invention also provides a process method for detecting the air tightness of the impulse welding axle housing by adopting the dry-type air tightness detection test bed.
Background
For a punching welding type axle housing, the production process mainly adopts welding, so that welding defects such as air holes and the like are inevitably generated, and finally oil leakage accidents are caused. In contrast, the same industry mainly adopts a water type to detect the air tightness. The water-type air tightness detection has the defects of low efficiency, high misjudgment rate, dirty and messy site and the like.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the invention provides a dry-type air tightness detection test bed for a punching-welding axle housing, which is convenient to operate, strong in detection reliability and high in effectiveness, and further provides a process method for detecting the air tightness of the punching-welding axle housing by adopting the dry-type air tightness detection test bed.
The technical scheme adopted for solving the technical problems is as follows: the utility model provides a dry-type gas tightness test bench for impulse welding axle housing, dry-type gas tightness test bench include control system, fixed bolster rack and gas tightness and aerify detecting system, arrange that impulse welding axle housing on the fixed bolster rack passes through gas tightness aerify detecting system and be in compress tightly and automated inspection its airtight performance under control system's control.
Further, the air-tight inflation detection system comprises an orifice sealing assembly, a compression sealing assembly and a differential pressure air-tight instrument; the punching and welding axle housing to be detected is arranged on a fixed support rack and is fixed on the fixed support rack under the control of a control system through the compression sealing assembly; in the detection process, all orifices of the punching and welding axle housing are respectively sealed under the control of the control system through the orifice sealing assembly and the pressing sealing assembly, and the air tightness of the punching and welding axle housing is detected under the control of the control system through the pressure difference air tightness instrument.
According to the scheme, the orifice sealing assembly comprises a vent hole plugging structure, a right end plugging structure, an oil drain plug hole plugging structure and a left end plugging structure, and the vent hole plugging structure, the right end plugging structure, the oil drain plug hole plugging structure and the left end plugging structure which are fixedly arranged at the corresponding positions of the fixed support rack respectively seal corresponding orifices of the impulse welding axle housing under the control of the control system.
Furthermore, the compressing and sealing assembly comprises a group of oil filling hole sealing structures and a group of workpiece compressing structures, the oil filling hole sealing structures and the workpiece compressing structures are fixedly arranged at corresponding positions of the fixed support rack, the punching and welding axle housing which is moved to be in place is compressed on the fixed support rack through the workpiece compressing structures, and the oil filling hole in the middle of the punching and welding axle housing is sealed through the oil filling hole sealing structures.
The fixed support rack comprises an underframe, an upper support truss and a middle support moving mechanism, wherein the upper support truss is fixedly arranged on the underframe, and the working part of the middle support moving mechanism can reciprocate along the horizontal direction and is fixedly arranged on the underframe below the upper support truss; the air tightness inflation detection system is movably arranged at the corresponding positions of the bottom frame and the upper supporting truss, and the impact welding axle housing to be detected is movably arranged on the bottom frame under the coordination of the middle supporting and moving mechanism.
Furthermore, the upper supporting truss comprises a supporting main frame and supporting auxiliary frames, the supporting main frame in a composite door-shaped structure is arranged on the underframe above the middle supporting and moving mechanism, and the two groups of supporting auxiliary frames are respectively arranged on the underframe at the two ends of the middle supporting and moving mechanism; the pressure-tight sealing assembly and the oil drain plug hole plugging structure of the air-tightness inflation detection system are respectively arranged at corresponding positions of the supporting main frame, and the left end plugging structure and the right end plugging structure of the orifice sealing assembly and the pressure-difference air-tightness instrument of the air-tightness inflation detection system are respectively arranged on the two groups of supporting auxiliary frames.
The preferable mode of the scheme is that the middle supporting and moving mechanism comprises a guide rail and a positioning plate, the guide rail is arranged on the bottom frame, the positioning plate is arranged on the bottom frame in a reciprocating mode along the length direction of the guide rail, and the punching welding axle housing in the detection process is arranged on the positioning plate.
Furthermore, the bottom frame is a cuboid, the upper supporting truss and the middle supporting and moving mechanism are uniformly arranged on the top surface of the cuboid bottom frame, and moving wheels are further arranged on the bottom surface of the cuboid bottom frame.
The preferred mode of above-mentioned scheme is, control system include display input panel and the control center who contains the PLC module, control center arrange the inside at the cuboid chassis, display input panel arrange on the lateral wall of cuboid chassis, display input panel, air vent block structure, right-hand member end block structure, oil drain plug screw hole block structure, left end block structure, oil filler hole block structure, work piece compact structure and the airtight data line of pressure differential appearance are connected with the PLC module.
Further, the process method comprises the following steps:
a. switching on a power supply, and setting parameters such as inflation, pressure maintaining, detection time, leakage amount and the like;
b. removing the positioning tool, and installing the axle housing to be detected on the test bed positioning tool;
c. pressing a start button, automatically sealing each hole position by the workbench, and automatically inflating and maintaining pressure for detection;
d. and judging the pressure leakage quantity of the inner cavity of the workpiece through an air tightness detector, judging that the pressure leakage quantity exceeds a set standard value to be unqualified, and prompting through sound-light alarm.
The invention has the beneficial effects that: this application aerifys detecting system's dry-type gas tightness test bench through providing one set including control system, fixed stay rack and gas tightness to the messenger arranges the impulse welding axle housing on the fixed stay rack and passes through detecting system is aerifyd to the gas tightness compress tightly and automated inspection its gas tightness performance under control system's control. Therefore, the detection test bed provided by the application is used for dry-type air tightness detection realized in an inflation mode and automatically completed under the control of the control system on the detection test bed, so that the operation is simple, the detection reliability is high, and the effectiveness is high.
Drawings
FIG. 1 is a schematic three-dimensional structure diagram of a dry type air tightness detection test bed for a punching and welding axle housing.
Labeled as: the device comprises a control system 1, a fixed support rack 2, an air tightness inflation detection system 3, a punching and welding axle housing 4, an orifice sealing assembly 5, a pressing and sealing assembly 6, a pressure difference air tightness instrument 7, a vent hole plugging structure 8, a right end plugging structure 9, an oil drain plug hole plugging structure 10, a left end plugging structure 11, an oil filling hole plugging structure 12, a workpiece pressing structure 13, an underframe 14, an upper support truss 15, a middle support moving mechanism 16, a support main frame 17, a support auxiliary frame 18, a guide rail 19 and a positioning plate 20.
Detailed Description
As shown in FIG. 1, the dry-type air tightness detection test bed for the impact welding of the axle housing, provided by the invention, has the advantages of convenience in operation, strong detection reliability and high effectiveness. The dry-type air tightness detection test bed comprises a control system 1, a fixed supporting rack 2 and an air tightness inflation detection system 3, wherein a punching welding axle housing 4 arranged on the fixed supporting rack 2 is pressed and automatically detected under the control of the control system 1 through the air tightness inflation detection system 3. This application aerifys detecting system's dry-type gas tightness test bench through providing one set including control system, fixed stay rack and gas tightness to the messenger arranges the impulse welding axle housing on the fixed stay rack and passes through detecting system is aerifyd to the gas tightness compress tightly and automated inspection its gas tightness performance under control system's control. Therefore, the detection test bed provided by the application is used for dry-type air tightness detection realized in an inflation mode and automatically completed under the control of the control system on the detection test bed, so that the operation is simple, the detection reliability is high, and the effectiveness is high.
In the above embodiment, in combination with the actual situation that there are many axle housings, in order to simplify the structure of the test stand, facilitate the operation, and maximize the reliability, stability and effectiveness of the test, the air-tight inflation test system 3 includes an orifice sealing assembly 5, a compression sealing assembly 6 and a differential pressure air-tight instrument 7; the punching and welding axle housing 4 which is arranged on the fixed supporting rack 2 and needs to be detected is fixed on the fixed supporting rack 2 through the pressing and sealing assembly 6 under the control of the control system 1; in the detection process, all orifices of the impulse welding axle housing 4 are respectively sealed under the control of the control system 1 through the orifice sealing assembly 5 and the pressing sealing assembly 6, and the air tightness of the impulse welding axle housing 4 is detected under the control of the control system 1 through the differential pressure air tightness meter 7. At this moment, the orifice sealing assembly 5 comprises a vent hole plugging structure 8, a right end plugging structure 9, an oil drain plug hole plugging structure 10 and a left end plugging structure 11, and the vent hole plugging structure 8, the right end plugging structure 9, the oil drain plug hole plugging structure 10 and the left end plugging structure 11 are fixedly arranged at the corresponding positions of the fixed support rack 2 and respectively seal corresponding orifices of the impulse welding axle housing 4 under the control of the control system 1. The compression seal assembly 6 comprises a group of oil filling hole blocking structures 12 and a group of workpiece compression structures 13, the oil filling hole blocking structures 12 and the workpiece compression structures 13 are fixedly arranged at corresponding positions of the fixed support rack 2, the punching and welding axle housing 4 which is moved to be in place is compressed on the fixed support rack 2 through the workpiece compression structures 13, and an oil filling hole in the middle of the punching and welding axle housing is sealed through the oil filling hole blocking structures 12.
Correspondingly, as a basic mounting rack structure, in order to facilitate the mounting and arrangement of each component of the air-tightness inflation detection system 3 and fix the axle housing by a user, the fixed support rack 2 comprises a base frame 14, an upper support truss 15 and a middle support moving mechanism 16, wherein the upper support truss 15 is fixedly arranged on the base frame 14, and the working part of the middle support moving mechanism 16 is fixed on the base frame 14 below the upper support truss 15 in a reciprocating manner along the horizontal direction; the gas-tightness inflation detection system 3 is movably arranged at the corresponding positions of the base frame 14 and the upper supporting truss 15, and the impulse welding axle housing 4 to be detected is movably arranged on the base frame 14 under the coordination of the middle supporting and moving mechanism 16. At this time, the upper supporting truss 15 includes a supporting main frame 17 and supporting sub-frames 18, the supporting main frame 17 in a composite door-shaped structure is arranged on the underframe 14 above the middle supporting and moving mechanism 16, and the two groups of supporting sub-frames 18 are respectively arranged on the underframe 14 at the two ends of the middle supporting and moving mechanism 16; the pressing sealing assembly 6 and the oil drain plug hole plugging structure 10 of the air-tightness inflation detection system 3 are respectively arranged at corresponding positions of the supporting main frame 17, and the left end plugging structure 11 and the right end plugging structure 9 of the orifice sealing assembly 5 and the pressure difference air-tightness instrument 7 of the air-tightness inflation detection system 3 are respectively arranged on the two groups of supporting auxiliary frames 18. The middle support moving mechanism 16 comprises a guide rail 19 and a positioning plate 20, the guide rail 19 is arranged on the bottom frame 14, the positioning plate 20 is arranged on the bottom frame 14 in a reciprocating mode along the length direction of the guide rail 19, and the punching welding axle housing 4 in the detection process is arranged on the positioning plate 20. And the bottom frame 14 is a cuboid, the upper supporting truss 15 and the middle supporting and moving mechanism 16 are both arranged on the top surface of the cuboid bottom frame, and moving wheels are also arranged on the bottom surface of the cuboid bottom frame.
Further, as this application automatic control's core, control system 1 include display input panel and the control center who contains the PLC module, control center arrange the inside at the cuboid chassis, display input panel arrange on the lateral wall of cuboid chassis, display input panel, air vent block structure 8, right-hand member end block structure 9, oil drain plug hole block structure 10, left end block structure 11, tank filler hole block structure 12, work piece compact structure 13 and pressure differential gas tightness appearance 7's data line is connected with the PLC module.
Therefore, the process method can realize the air tightness detection of the impact welding axle housing through the following steps: a, switching on a power supply, and setting parameters such as inflation, pressure maintaining, detection time and leakage amount; b. removing the positioning tool, and installing the axle housing to be detected on the test bed positioning tool; c. pressing a start button, automatically sealing each hole position by the workbench, and automatically inflating and maintaining pressure for detection; d. and judging the pressure leakage quantity of the inner cavity of the workpiece through an air tightness detector, judging that the pressure leakage quantity exceeds a set standard value to be unqualified, and prompting through sound-light alarm.
What should be particularly described in this application is that the orifice sealing assembly 5, the compression sealing assembly 6, the differential pressure gas tightness meter 7, the vent hole plugging structure 8, the right end plugging structure 9, the oil drain plug hole plugging structure 10, the left end plugging structure 11, and the oil filling hole plugging structure 12 involved in the above-mentioned test bench are all common parts in the prior art. Of course, the manufacturing can be redesigned as needed. However, in order to reduce the cost and to achieve the generalization of the equipment, common parts should be adopted as much as possible.
In conclusion, the air tightness detection of the axle housing subjected to the punching welding by the air tightness detection test bed provided by the application has the advantages that firstly, due to the simplified structure, the production and manufacturing cost is reduced, the installation cost of the test bed and the occupation of the operation space are also reduced, and the cleanliness of the use environment can be effectively improved; secondly, because the structure has been simplified, the operation is easier, can carry out axle housing gas tightness detection test fast through simple installation regulation to experimental efficiency has been improved. The sensitivity of the air tightness detector is high, and the effectiveness of air tightness detection can be effectively improved. The invention is particularly suitable for the air tightness detection test of the automobile drive axle housing welding assembly.
DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION
The invention aims to provide a dry-type air tightness detection test bed and a test method, which have the advantages of simple structure and convenience in operation and can improve the reliability and effectiveness of dry-type air tightness detection of a punching-welding axle housing.
The technical scheme adopted by the invention for solving the technical problems is as follows: a dry-type air tightness detection test bed for a punching and welding type axle housing comprises a differential pressure type air tightness detector, a workpiece positioning mechanism to be detected, a tool moving mechanism, a workpiece plugging mechanism and the like. The tool can move on the sliding rail, and the tool can be automatically moved out when the workpiece is loaded and unloaded, so that the workpiece can be loaded and unloaded conveniently. After the workpiece is in place, the plugging cylinder automatically works to plug, then automatic detection is carried out, and unqualified workpieces are prompted through sound and light alarm. The actions are controlled through a PLC program, and an operator only needs to press a starting switch, so that the operation is convenient. In addition, the workpiece pressing and oil filling plug hole sealing cylinder in the figure 7 adopts a gas-liquid increasing cylinder, so that the workpiece pressing and sealing reliability is ensured. The two sealing mechanisms such as 8 and 10 in the figure 1 can realize the conversion of any position, and meet the sealing requirements of workpieces at different positions to be sealed. All sealing mechanisms can be replaced quickly to meet the detection requirements of different workpieces.
The test method of the dry-type air tightness detection test bed of the impact welding type axle housing comprises the following steps: a. switching on a power supply, and setting parameters such as inflation, pressure maintaining, detection time, leakage amount and the like; b. removing the positioning tool, and installing the axle housing to be detected on the test bed positioning tool; c. pressing a start button, automatically sealing each hole position by the workbench, and automatically inflating and maintaining pressure for detection; d. and judging the pressure leakage quantity of the inner cavity of the workpiece through an air tightness detector, judging that the pressure leakage quantity exceeds a set standard value to be unqualified, and prompting through sound-light alarm.
Example one
The using method of the invention comprises the following steps: a. switching on a power supply, and setting parameters such as inflation, pressure maintaining, detection time, leakage amount and the like; b. removing the positioning tool, and installing the axle housing to be detected on the test bed positioning tool; c. pressing a start button, automatically sealing each hole position by the workbench, and automatically inflating and maintaining pressure for detection; d. and judging the pressure leakage quantity of the inner cavity of the workpiece through an air tightness detector, judging that the pressure leakage quantity exceeds a set standard value to be unqualified, and prompting through sound-light alarm. The whole test process is very efficient, and the obtained test data is also accurate and reliable.
In order to adapt the device to be used for sealing end heads with different diameter sizes, the following scheme can be selected: the left end sealing structure 1 and the right end sealing mechanism 9 are formed by connecting sealing plugs through cylinders, and the sealing plugs are connected with cylinder connecting rods through screws, so that quick change can be realized. Thereby adapting to the detection requirements of various ends.
The vent hole plugging structure and the oil drain plug hole plugging structure can be adjusted at any position. The whole mechanism can move in the trapezoidal groove on the bottom plate, and the plugging head can rotate randomly along the upright post. The moving direction of the sealing cylinder is parallel to the axial direction of the hole (the sealing effectiveness is ensured) by adjusting the position of the adjusting mechanism in the trapezoidal groove and simultaneously adjusting the angle of the plugging head, and the sealing cylinder is locked by a screw after being adjusted in place. The adjustment is simple and reliable.
The invention reduces the production cost, the installation cost of the test bed and the occupation of the operation space due to the simple structure, and can effectively improve the cleanliness of the use environment; secondly, because the structure has been simplified, the operation is easier, can carry out axle housing gas tightness detection test fast through simple installation regulation to experimental efficiency has been improved. The sensitivity of the air tightness detector is high, and the effectiveness of air tightness detection can be effectively improved. The invention is particularly suitable for the air tightness detection test of the automobile drive axle housing welding assembly, and has very wide market popularization prospect.
Claims (10)
1. The utility model provides a dry-type gas tightness test bench for punching and welding axle housing which characterized in that: the dry-type air tightness detection test bed comprises a control system (1), a fixed support rack (2) and an air tightness inflation detection system (3), wherein a punching welding axle housing (4) arranged on the fixed support rack (2) is pressed and automatically detected under the control of the control system (1) through the air tightness inflation detection system (3).
2. The dry type airtightness detection test bed for the impulse-welded axle housing according to claim 1, is characterized in that: the air tightness inflation detection system (3) comprises an orifice sealing assembly (5), a compression sealing assembly (6) and a pressure difference air tightness instrument (7); the punching and welding axle housing (4) which is arranged on the fixed supporting rack (2) and needs to be detected is fixed on the fixed supporting rack (2) under the control of the control system (1) through the pressing and sealing assembly (6); in the detection process, all orifices of the impulse welding axle housing (4) are respectively sealed under the control of the control system (1) through the orifice sealing assembly (5) and the pressing sealing assembly (6), and the air tightness of the impulse welding axle housing (4) is detected under the control of the control system (1) through the pressure difference air tightness meter (7).
3. The dry type airtightness detection test bed for the impulse-welded axle housing according to claim 2, is characterized in that: the orifice sealing assembly (5) comprises a vent hole plugging structure (8), a right end plugging structure (9), an oil drain plug hole plugging structure (10) and a left end plugging structure (11), and the vent hole plugging structure (8), the right end plugging structure (9), the oil drain plug hole plugging structure (10) and the left end plugging structure (11) are fixedly arranged at corresponding positions of the fixed support rack (2) and respectively seal corresponding orifices of the impulse welding axle housing (4) under the control of the control system (1).
4. The dry type airtightness detection test bed for the impulse-welded axle housing according to claim 3, is characterized in that: the pressing seal assembly (6) comprises a group of oil filling hole blocking structures (12) and a group of workpiece pressing structures (13), the oil filling hole blocking structures (12) and the workpiece pressing structures (13) are fixedly arranged at corresponding positions of the fixed support rack (2), the punching and welding axle housing (4) which is moved to be in place is pressed on the fixed support rack (2) through the workpiece pressing structures (13), and the oil filling hole in the middle of the punching and welding axle housing is sealed through the oil filling hole blocking structures (12).
5. The dry type airtightness detection test stand for the impulse-welded axle case according to claim 1, 2, 3 or 4, wherein: the fixed supporting rack (2) comprises an underframe (14), an upper supporting truss (15) and a middle supporting and moving mechanism (16), wherein the upper supporting truss (15) is fixedly arranged on the underframe (14), and the working part of the middle supporting and moving mechanism (16) can be fixed on the underframe (14) below the upper supporting truss (15) in a reciprocating manner along the horizontal direction; the air tightness inflation detection system (3) is movably arranged at the corresponding positions of the bottom frame (14) and the upper supporting truss (15), and the impact welding axle housing (4) to be detected is movably arranged on the bottom frame (14) under the cooperation of the middle supporting and moving mechanism (16).
6. The dry type airtightness detection test bed for the impulse-welded axle housing according to claim 5, is characterized in that: the upper supporting truss (15) comprises a supporting main frame (17) and supporting auxiliary frames (18), the supporting main frame (17) in a composite door-shaped structure is arranged on the underframe (14) above the middle supporting and moving mechanism (16), and the two groups of supporting auxiliary frames (18) are respectively arranged on the underframe (14) at the two ends of the middle supporting and moving mechanism (16); a compression sealing assembly (6) and an oil drain plug hole plugging structure (10) of the air-tightness inflation detection system (3) are respectively arranged at corresponding positions of the supporting main frame (17), and a left end plugging structure (11), a right end plugging structure (9) and a pressure difference air-tightness instrument (7) of the air-tightness inflation detection system (3) of the orifice sealing assembly (5) are respectively arranged on the two groups of supporting auxiliary frames (18).
7. The dry type airtightness detection test bed for the impulse-welded axle housing according to claim 6, is characterized in that: the middle supporting and moving mechanism (16) comprises a guide rail (19) and a positioning plate (20), the guide rail (19) is arranged on the bottom frame (14), the positioning plate (20) is arranged on the bottom frame (14) in a reciprocating mode along the length direction of the guide rail (19), and the punching welding axle housing (4) in the detection process is arranged on the positioning plate (20).
8. The dry type airtightness detection test bed for the impulse-welded axle case according to claim 7, is characterized in that: the bottom frame (14) is a cuboid, the upper supporting truss (15) and the middle supporting and moving mechanism (16) are both arranged on the top surface of the cuboid bottom frame, and moving wheels are further arranged on the bottom surface of the cuboid bottom frame.
9. The dry type airtightness detection test bed for the impulse-welded axle housing according to claim 1, is characterized in that: control system (1) including display input panel and the control center who contains the PLC module, control center arrange the inside at the cuboid chassis, display input panel arrange on the lateral wall of cuboid chassis, display input panel, air vent block structure (8), right-hand member end block structure (9), oil drain plug hole block structure (10), left end block structure (11), oil filler hole block structure (12), work piece compact structure (13) and the data line and the PLC module of pressure differential gas tightness appearance (7) are connected.
10. A process method for detecting the air tightness of a punching-welded axle housing by adopting the dry-type air tightness detection test bed as claimed in claim 9, which is characterized in that: the process method comprises the following steps:
a. switching on a power supply, and setting parameters such as inflation, pressure maintaining, detection time, leakage amount and the like;
b. removing the positioning tool, and installing the axle housing to be detected on the test bed positioning tool;
c. pressing a start button, automatically sealing each hole position by the workbench, and automatically inflating and maintaining pressure for detection;
d. and judging the pressure leakage quantity of the inner cavity of the workpiece through an air tightness detector, judging that the pressure leakage quantity exceeds a set standard value to be unqualified, and prompting through sound-light alarm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110383988.4A CN112903210A (en) | 2021-04-09 | 2021-04-09 | Dry-type air tightness detection test bed for punching and welding axle housing and process method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110383988.4A CN112903210A (en) | 2021-04-09 | 2021-04-09 | Dry-type air tightness detection test bed for punching and welding axle housing and process method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112903210A true CN112903210A (en) | 2021-06-04 |
Family
ID=76110280
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110383988.4A Pending CN112903210A (en) | 2021-04-09 | 2021-04-09 | Dry-type air tightness detection test bed for punching and welding axle housing and process method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112903210A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114952654A (en) * | 2022-06-02 | 2022-08-30 | 重庆电子工程职业学院 | Torsion beam airtightness detection and oil gas spraying equipment |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202599622U (en) * | 2012-05-22 | 2012-12-12 | 东风德纳车桥有限公司 | Punched and welded axle housing leakage testing system |
| CN203178049U (en) * | 2013-04-12 | 2013-09-04 | 中国长安汽车集团股份有限公司四川建安车桥分公司 | Airtight detection platform |
| CN108088625A (en) * | 2016-11-22 | 2018-05-29 | 周晓萍 | A kind of driving axle housing assembly air-tightness automatic detection test bed |
| CN109029877A (en) * | 2018-09-26 | 2018-12-18 | 合肥宽信机电有限公司 | A kind of pneumatic system of the air-tightness detection device of axle shell |
| CN209296257U (en) * | 2018-12-28 | 2019-08-23 | 郑州江东汽车零部件有限公司 | A kind of modularization vehicle rear axle assembly air-leakage test platform |
| CN212513526U (en) * | 2020-08-19 | 2021-02-09 | 河北励拓汽车部件有限公司 | Air tightness detection device of rear axle housing assembly |
-
2021
- 2021-04-09 CN CN202110383988.4A patent/CN112903210A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202599622U (en) * | 2012-05-22 | 2012-12-12 | 东风德纳车桥有限公司 | Punched and welded axle housing leakage testing system |
| CN203178049U (en) * | 2013-04-12 | 2013-09-04 | 中国长安汽车集团股份有限公司四川建安车桥分公司 | Airtight detection platform |
| CN108088625A (en) * | 2016-11-22 | 2018-05-29 | 周晓萍 | A kind of driving axle housing assembly air-tightness automatic detection test bed |
| CN109029877A (en) * | 2018-09-26 | 2018-12-18 | 合肥宽信机电有限公司 | A kind of pneumatic system of the air-tightness detection device of axle shell |
| CN209296257U (en) * | 2018-12-28 | 2019-08-23 | 郑州江东汽车零部件有限公司 | A kind of modularization vehicle rear axle assembly air-leakage test platform |
| CN212513526U (en) * | 2020-08-19 | 2021-02-09 | 河北励拓汽车部件有限公司 | Air tightness detection device of rear axle housing assembly |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114952654A (en) * | 2022-06-02 | 2022-08-30 | 重庆电子工程职业学院 | Torsion beam airtightness detection and oil gas spraying equipment |
| CN114952654B (en) * | 2022-06-02 | 2023-06-27 | 重庆电子工程职业学院 | Torsion Liang Qimi detects and oil gas spraying equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102706520B (en) | Full-automatic testing system for air tightness of housing of transmission and detection method thereof | |
| CN205373973U (en) | Oil pan gas tightness leakage -testing device | |
| CN109374232B (en) | Leakage detection device and method for detecting leakage performance of flange plate assembly by using same | |
| CN103017716B (en) | Vehicle lamp dimming motor shell overall gap determination and leakage detection fixture | |
| CN111307384B (en) | Gear chamber cover gas tightness testing arrangement | |
| CN203479465U (en) | Device for detecting airtightness of vehicle vacuum tank | |
| CN206638398U (en) | A kind of automobile fuel pump flange pneumatic sealing test device | |
| CN104132788A (en) | Airtightness detection method and detection platform for steering-engine casing | |
| CN105928661A (en) | Modularized casting airtight detection equipment | |
| CN112903210A (en) | Dry-type air tightness detection test bed for punching and welding axle housing and process method thereof | |
| CN213318711U (en) | Gas cylinder inflation and assembly integrated machine | |
| CN211527721U (en) | A gas tightness detection device for aluminum alloy die casting | |
| CN213456007U (en) | Check valve air tightness detection device and system | |
| CN218002841U (en) | Shell-reducing positive-pressure leak test detection device | |
| CN210426894U (en) | New forms of energy car battery box gas tightness detection device | |
| CN208223744U (en) | A kind of engine front cover assembly leakage detection apparatus | |
| CN113358276B (en) | Flange formula pressure instrument presss from both sides tight sealing device fast | |
| CN205157144U (en) | Be used for automobile water pump leakproofness check out test set | |
| CN202956102U (en) | Fixture for confirming integral gap of shell of dimming motor of car lamp and detecting leak-packing | |
| CN214748642U (en) | Pressure drop method detection station | |
| CN219455424U (en) | Air tightness detection equipment for battery box cover | |
| CN206450379U (en) | A kind of products air tightness detection means | |
| CN220660643U (en) | Pneumatic clamping device for remote-transmission diaphragm seal differential pressure transmitter calibration | |
| CN219161551U (en) | Detection mechanism for processing of electric appliance end cover part | |
| CN218787814U (en) | Detection mechanism for speed reducer output shaft set |
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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210604 |