CN219996433U - Bidirectional high-precision air detection device for filter shell - Google Patents
Bidirectional high-precision air detection device for filter shell Download PDFInfo
- Publication number
- CN219996433U CN219996433U CN202321010639.9U CN202321010639U CN219996433U CN 219996433 U CN219996433 U CN 219996433U CN 202321010639 U CN202321010639 U CN 202321010639U CN 219996433 U CN219996433 U CN 219996433U
- Authority
- CN
- China
- Prior art keywords
- detection device
- air detection
- sealing cover
- filter shell
- plugging
- 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.)
- Active
Links
- 238000001514 detection method Methods 0.000 title claims abstract description 46
- 230000002457 bidirectional effect Effects 0.000 title claims abstract description 15
- 238000007789 sealing Methods 0.000 claims abstract description 39
- 238000003825 pressing Methods 0.000 claims abstract description 21
- 230000006835 compression Effects 0.000 claims abstract description 13
- 238000007906 compression Methods 0.000 claims abstract description 13
- 230000000903 blocking effect Effects 0.000 claims description 28
- 230000009471 action Effects 0.000 claims description 10
- 238000004891 communication Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 8
- 238000012544 monitoring process Methods 0.000 claims description 8
- 238000009434 installation Methods 0.000 claims description 4
- 230000008569 process Effects 0.000 claims description 4
- 238000013461 design Methods 0.000 abstract description 4
- 239000001307 helium Substances 0.000 description 5
- 229910052734 helium Inorganic materials 0.000 description 5
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 5
- 239000007789 gas Substances 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
Landscapes
- Examining Or Testing Airtightness (AREA)
Abstract
The utility model discloses a bidirectional high-precision air detection device for a filter shell, which comprises a main frame, wherein a main frame is arranged on the main frame; the main frame is provided with a tool clamp for fixing the filter shell and an electric control system; the device also comprises an air detection device; the air detection device comprises a lower support plate; a sealing cover is arranged above the lower supporting plate; the left side and the right side of the sealing cover are respectively provided with a left side plugging cylinder and a right side plugging cylinder; limiting columns are respectively arranged at four corners of the upper end of the sealing cover; the air detection device also comprises a main compression cylinder; the main compression cylinder is arranged on an upper supporting plate at the upper end of the main frame, and a cylinder head of the main compression cylinder penetrates through the upper supporting plate and is fixedly connected with the upper pressing plate; a plurality of guide posts are arranged below the upper supporting plate, and a plurality of holes for the guide posts to pass through are formed in the upper pressing plate; an upper side plugging component is arranged below the upper pressing plate. The structure adopts a bidirectional gas detection design, has simple structure, can stably identify leakage values with higher requirements, and has low cost.
Description
Technical Field
The utility model relates to a bidirectional high-precision air detection device for a filter shell, and belongs to the technical field of air detectors.
Background
In the production process of the filter, the air tightness of the filter shell is required to be detected, and the filter with good air tightness can have good oil leakage prevention effect. The development and use of the air detection machine in the same field are mature, but the high-precision detection currently uses compressed air to detect the defects of very large limitation, long voltage stabilizing time, inaccurate detection and the like are difficult to solve, most practical application users replace the compressed air detection by using inert gas (helium) detection, the detection principle is different from that of the compressed air to detect the air flow, but the molecular weight of the helium is monitored, the method has high precision, but the equipment investment cost and the consumable (helium) use cost are high, and the method is a huge pressure of project investment. Therefore, a novel gas detection device is needed to be designed, and the problems of inaccurate detection and high cost are solved.
Disclosure of Invention
The utility model provides a bidirectional high-precision air detection device for a filter shell, which aims at solving the technical problems.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: a bidirectional high-precision air detection device of a filter shell comprises a main frame; the main frame is provided with a tool clamp for fixing the filter shell and an electric control system; the electric control system comprises a switch, an indicator light, a leak detector and a code reader; the air detection device is arranged on the main frame; the air detection device comprises a lower support plate; a sealing cover is arranged above the lower supporting plate; the left side and the right side of the sealing cover are respectively provided with a left blocking cylinder and a right blocking cylinder; the left blocking cylinder and the right blocking cylinder are respectively used for extending into the sealing cover to block the left through hole and the right through hole on the filter shell; limiting columns are respectively arranged at four corners of the upper end of the sealing cover; the air detection device further comprises a main compression cylinder; the main compression cylinder is arranged on an upper supporting plate at the upper end of the main frame, and the cylinder head of the main compression cylinder penetrates through the upper supporting plate and is fixedly connected with the upper pressing plate; a plurality of guide posts are arranged below the upper supporting plate, and a plurality of holes for the guide posts to pass through are formed in the upper pressing plate; an upper blocking component is arranged below the upper pressing plate and is used for extending into the upper end of the sealing cover and blocking a through hole at the upper end part of the filter shell.
Further, a slider is provided below the lower support plate, and the slider is mounted on the guide rail, so that the overall filter housing and components thereof can move back and forth on the table surface.
Further, the number of the left plugging air cylinders and the right plugging air cylinders is specifically set according to the number of the left through holes and the right through holes of the filter shell, and the sealing cover can be customized according to the installation number.
Further, the guide post is coaxial as an organic whole with spacing post, is located spacing post upper end and is provided with the stopper, and its diameter is greater than the diameter of guide post, and this stopper is used for making the top board be spacing in the stopper position in the push down in-process.
Further, the upper side plugging assembly comprises an upper plugging rod, a lower plugging rod and a telescopic spring piece positioned between the upper plugging rod and the lower plugging rod; the upper blocking rod is fixed at the lower end of the upper pressing plate; the end head of the lower plugging rod extends into the upper end of the sealing cover and plugs the through hole at the upper end part of the filter shell.
Furthermore, the electric control system comprises an industrial control computer and a PLC control unit, each action link carries out interconnection action through I/O communication, and meanwhile, the electric control system has a two-dimensional code identification monitoring recording function, is in communication connection with the leak detector, and can record the leakage value and the leakage detection curve of each product in real time.
The beneficial effects of the utility model are as follows: the process of the utility model is controlled by an industrial control computer and a PLC, each action link carries out interconnection action through I/O communication, error placement is carried out, meanwhile, the stability and the efficiency are improved, meanwhile, the two-dimensional code identification monitoring recording function is carried out, the two-dimensional code identification monitoring recording device is connected with a leak detector in a communication way, the leakage value and the leak detection curve of each product can be recorded in real time, the leakage value with higher requirements can be stably identified by a bidirectional gas detection design (the outside of the product is filled with high pressure, and the inside of the product is vacuumized), and the two-dimensional code identification monitoring recording device is equivalent to low in cost of helium detection equipment and has no consumable.
Drawings
FIG. 1 is a schematic diagram of an air detection device according to the present utility model;
fig. 2 is a schematic view of the installation position structure of the upper blocking assembly of the utility model.
In the figure: 1. the device comprises a main compression cylinder, 2, a guide column, 3, an upper pressing plate, 4, a left side blocking cylinder, 5, a lower sealing plate, 6, an upper supporting plate, 7, an upper side blocking assembly, 71, an upper blocking rod, 72, a lower blocking rod, 73, a telescopic spring piece, 8, a limit column, 9, a right side blocking cylinder, 10, a sealing cover, 11 and a lower supporting plate.
Detailed Description
The present utility model will be further described in detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the detailed description and specific examples, while indicating the utility model, are intended for purposes of illustration only and are not intended to limit the scope of the utility model.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs, and the terms used herein in this description of the utility model are for the purpose of describing particular embodiments only and are not intended to be limiting of the utility model.
As shown in FIG. 1, the bidirectional high-precision air detection device of the filter shell comprises a main frame; the main frame is provided with a fixture clamp for fixing the filter shell, a sealing cover 10 and an electric control system; the electric control system comprises a switch, an indicator light, a leak detector and a code reader; the air detection device is arranged on the main frame; the air detection device comprises a lower support plate 11; a sealing cover 10 is arranged above the lower supporting plate 11; the bottom of the sealing cover 10 is provided with a lower sealing plate 5; the left side and the right side of the sealing cover 10 are respectively provided with a left blocking cylinder 4 and a right blocking cylinder 9; the left blocking cylinder 4 and the right blocking cylinder 9 are respectively used for extending into the sealing cover 10 to block left and right through holes on the filter shell; limiting columns 8 are respectively arranged at four corners of the upper end of the sealing cover 10; the air detection device also comprises a main compression cylinder 1; the main compression cylinder 1 is arranged on an upper supporting plate 6 at the upper end of the main frame, and the cylinder head of the main compression cylinder passes through the upper supporting plate 6 and is fixedly connected with the upper pressing plate 3; a plurality of guide posts 2 are arranged below the upper supporting plate 6, and a plurality of holes for the guide posts 2 to pass through are formed in the upper pressing plate 3; an upper blocking assembly 7 is arranged below the upper pressing plate 3, and the upper blocking assembly 7 is used for extending into the upper end of the sealing cover 10 and blocking a through hole at the upper end part of the filter shell.
In this embodiment, preferably, a slider is provided below the lower support plate 11, and the slider is mounted on a guide rail, thereby realizing the forward and backward movement of the entire filter housing and its components on the table surface.
In this embodiment, preferably, the number of the left plugging cylinders 4 and the right plugging cylinders 9 is specifically set according to the number of the left and right through holes of the filter housing, and the sealing cover 10 can be customized according to the number of the installation.
In this embodiment, preferably, the guide post 2 and the limit post 8 are coaxial, the upper end of the limit post 8 is provided with a limit block 81, the diameter of which is larger than that of the guide post 2, and the limit block 81 is used to limit the upper pressing plate 3 at the position of the limit block 81 in the pressing process.
Preferably, referring to fig. 2, the upper plugging assembly 7 comprises an upper plugging rod 71, a lower plugging rod 72 and a telescopic spring member 73 therebetween; the upper blocking rod 71 is fixed at the lower end of the upper pressing plate 3; the end of the lower blocking rod 72 extends into the upper end of the sealing cover 10 and blocks the through hole at the upper end of the filter housing.
Preferably, the electronic control system comprises an industrial personal computer and a PLC control unit, each action link carries out interconnection action through I/O communication, and meanwhile, the electronic control system has a two-dimensional code identification monitoring recording function, is in communication connection with the leak detector, and can record leakage values and leakage detection curves of each product in real time.
The working principle is as follows: firstly, manual feeding is performed, two hands are started, a code reader automatically recognizes a two-dimensional code of a product, and an industrial control computer records working procedure data of the product; then the sealing cover 10 connected with the main pressing cylinder 1 is driven to move downwards, so that a product is covered, the upper port part of the product is pressed by the upper side plugging assembly 7, the product is sealed by the sealing ring, and a sealing cavity is formed in the inner cavity of the filter shell; after the sealing cover 10 covers the filter housing, the left plugging cylinder 4 and the right plugging cylinder 9 mounted on the sealing cover 10 start to act to seal the through holes at the left and right parts of the product.
After the sealing is finished, the compressed air starts to be flushed into the sealing cover 10, the pressure is 0.6Mpa, and meanwhile, after the sealing is finished, a reserved opening of the inner cavity of the filter shell is opened, the vacuum pumping is started, and the vacuum negative pressure is-0.07 mbar; when the stable pressure changes to plus or minus 0.01mbar, the air detector starts to detect the vacuum degree change of the inner cavity of the product, and the leakage value of 0.2ml/min can be identified by the highest conversion precision.
The utility model is an automatic device, the process is controlled by an industrial control computer and a PLC, each action link carries out interconnection action through I/O communication, the error is set, the stability and the efficiency are improved, the two-dimensional code identification, monitoring and recording function is carried out, the two-dimensional code identification, the monitoring and recording function is connected with a leak detector, the leakage value and the leak detection curve of each product can be recorded in real time, the two-way gas detection design (the outside of the product is filled with high pressure, and the inside of the product is vacuumized) can stably identify the leakage value with higher requirements, and the two-way gas detection design is equivalent to the helium detection device with low cost and no consumable.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, or alternatives falling within the spirit and principles of the utility model.
Claims (6)
1. A bidirectional high-precision air detection device of a filter shell comprises a main frame; the main frame is provided with a tool clamp for fixing the filter shell and an electric control system; the electric control system comprises a switch, an indicator light, a leak detector and a code reader; the device is characterized by also comprising an air detection device arranged on the main frame; the air detection device comprises a lower supporting plate (11); a sealing cover (10) is arranged above the lower supporting plate (11); a lower sealing plate (5) is arranged at the bottom of the sealing cover (10); the left side and the right side of the sealing cover (10) are respectively provided with a left side plugging cylinder (4) and a right side plugging cylinder (9); the left blocking cylinder (4) and the right blocking cylinder (9) are respectively used for extending into the sealing cover (10) to block the left through hole and the right through hole on the filter shell; limit posts (8) are respectively arranged at four corners of the upper end of the sealing cover (10); the air detection device also comprises a main compression cylinder (1); the main compression cylinder (1) is arranged on an upper supporting plate (6) at the upper end of the main frame, and the cylinder head of the main compression cylinder penetrates through the upper supporting plate (6) and is fixedly connected with the upper pressing plate (3); a plurality of guide posts (2) are arranged below the upper supporting plate (6), and a plurality of holes for the guide posts (2) to pass through are formed in the upper pressing plate (3); an upper blocking component (7) is arranged below the upper pressing plate (3), and the upper blocking component (7) is used for extending into the upper end of the sealing cover (10) and blocking a through hole at the upper end part of the filter shell.
2. A two-way high-precision air detection device for a filter housing according to claim 1, wherein a slide block is arranged below the lower supporting plate (11), and the slide block is arranged on a guide rail, so that the whole filter housing and components thereof can move back and forth on a working table.
3. The bidirectional high-precision air detection device for the filter shell according to claim 1, wherein the number of the left plugging air cylinders (4) and the right plugging air cylinders (9) is specifically set according to the number of left and right through holes of the filter shell, and the sealing cover (10) can be customized according to the installation number.
4. The bidirectional high-precision air detection device of the filter shell according to claim 1, wherein the guide post (2) and the limit post (8) are integrated and coaxial, a limit block (81) is arranged at the upper end of the limit post (8) and has a diameter larger than that of the guide post (2), and the limit block (81) is used for limiting the upper pressing plate (3) at the position of the limit block (81) in the pressing process.
5. The bidirectional high-precision air detection device of a filter housing according to claim 1, wherein the upper plugging assembly (7) comprises an upper plugging rod (71), a lower plugging rod (72) and a telescopic spring member (73) positioned between the upper plugging rod and the lower plugging rod; the upper blocking rod (71) is fixed at the lower end of the upper pressing plate (3); the end of the lower plugging rod (72) stretches into the upper end of the sealing cover (10) and plugs the through hole at the upper end part of the filter shell.
6. The bidirectional high-precision air detection device of the filter shell according to claim 1, wherein the electric control system comprises an industrial control computer and a PLC control unit, each action link carries out interconnection action through I/O communication, and meanwhile, the bidirectional high-precision air detection device has a two-dimensional code identification, monitoring and recording function, is in communication connection with a leak detector, and can record the leakage value and the leak detection curve of each product in real time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321010639.9U CN219996433U (en) | 2023-04-28 | 2023-04-28 | Bidirectional high-precision air detection device for filter shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321010639.9U CN219996433U (en) | 2023-04-28 | 2023-04-28 | Bidirectional high-precision air detection device for filter shell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219996433U true CN219996433U (en) | 2023-11-10 |
Family
ID=88610216
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321010639.9U Active CN219996433U (en) | 2023-04-28 | 2023-04-28 | Bidirectional high-precision air detection device for filter shell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219996433U (en) |
-
2023
- 2023-04-28 CN CN202321010639.9U patent/CN219996433U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111473924A (en) | Air tightness testing device and testing mode thereof | |
| CN206638398U (en) | A kind of automobile fuel pump flange pneumatic sealing test device | |
| CN203427423U (en) | Precise OCA full-lamination machine | |
| CN116930039B (en) | Fabric ventilation detection device | |
| CN219996433U (en) | Bidirectional high-precision air detection device for filter shell | |
| CN214373199U (en) | Air tightness detection device and air tightness detection system of gearbox body | |
| CN203894008U (en) | Flexible seal measurement mechanism | |
| CN112846725B (en) | Automatic assembly machine and assembly method for intelligent diaphragm gas meter | |
| CN211696853U (en) | Air tightness detector for telephone watch cover | |
| CN216746023U (en) | Valve element height detection mechanism | |
| CN112903210A (en) | Dry-type air tightness detection test bed for punching and welding axle housing and process method thereof | |
| CN209206888U (en) | A kind of process equipment integrating leak detection pressing machine | |
| CN115219115A (en) | Stable gas measurement device and gas measurement method | |
| CN113776749B (en) | Phase-change type cooling heat exchanger pressure measuring equipment | |
| CN209372391U (en) | Water detection device on a kind of pump housing | |
| CN211824892U (en) | Moving mechanism of machine room rotating ring detection device | |
| CN221199289U (en) | A but, pressurization test mould for solid-state battery | |
| CN219799401U (en) | Novel VOCS check out test set's detection device | |
| CN220652169U (en) | Button type flexible package lithium battery sealing device | |
| CN221238584U (en) | Helium detection equipment for explosion-proof shell | |
| CN217529923U (en) | Screen disassembling equipment | |
| CN220289773U (en) | Automatic down-pressing type PCB shielding test fixture | |
| CN219200753U (en) | Sensor test fixture | |
| CN214472261U (en) | Novel water pressure test device | |
| CN219551466U (en) | Comprehensive measuring table |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |