CN216559573U - Air tightness detection device - Google Patents
Air tightness detection device Download PDFInfo
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- CN216559573U CN216559573U CN202123124818.9U CN202123124818U CN216559573U CN 216559573 U CN216559573 U CN 216559573U CN 202123124818 U CN202123124818 U CN 202123124818U CN 216559573 U CN216559573 U CN 216559573U
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- 238000001514 detection method Methods 0.000 title claims abstract description 30
- 238000007789 sealing Methods 0.000 claims abstract description 94
- 238000009434 installation Methods 0.000 claims abstract description 4
- 238000009530 blood pressure measurement Methods 0.000 claims description 3
- 238000007599 discharging Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000000007 visual effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
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Abstract
The utility model discloses air tightness detection equipment which comprises a rack, a lower sealing device, an upper sealing device, a sealing driving device and a pressure measuring device, wherein the rack comprises a workbench and an installation platform arranged above the workbench; the lower sealing device is arranged on the workbench and used for plugging the lower opening of the product; the sealing driving device is arranged on the mounting table, the upper sealing device is arranged on the sealing driving device and is positioned above the lower sealing device, the sealing driving device is used for driving the upper sealing device to move up and down, and the upper sealing device is used for plugging an upper opening of a product; the upper sealing device is provided with a first air passage and a second air passage, the first air passage is connected with an air source and an inner cavity of a product, and the second air passage is connected with the inner cavity of the product and a pressure measuring device. The air tightness detection device is simple in structure, convenient and quick to use and high in working efficiency.
Description
Technical Field
The utility model relates to the technical field of air tightness detection, in particular to air tightness detection equipment for a wheel hub.
Background
The hub is an important component of the automobile, plays a role in supporting the weight of the automobile body, and has important influence on the energy conservation, the environmental protection, the safety and the operability of the automobile.
However, the wheel hub may have sand holes in the casting process, gaps are easy to occur in the riveting process, the gaps are difficult to distinguish with naked eyes, and if the air tightness detection is not carried out, the driving safety cannot be guaranteed.
The existing mode that the air tightness of the wheel hub is detected to be immersed in water needs to be continuously and repeatedly added with water and drained when the mode is adopted, the operation is complex, and the working efficiency is low.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model provides the air tightness detection equipment which is simple in structure, convenient and quick to use and high in working efficiency.
In order to solve the technical problems, the utility model adopts the technical scheme that:
the air tightness detection equipment comprises a rack, a lower sealing device, an upper sealing device, a sealing driving device and a pressure measuring device, wherein the rack comprises a workbench and an installation platform arranged above the workbench; the lower sealing device is arranged on the workbench and used for plugging a lower opening of a product; the sealing driving device is arranged on the mounting table, the upper sealing device is arranged on the sealing driving device and is positioned above the lower sealing device, the sealing driving device is used for driving the upper sealing device to move up and down, and the upper sealing device is used for plugging an upper opening of the product; the upper sealing device is provided with a first air passage and a second air passage, the first air passage is connected with an air source and the inner cavity of the product, and the second air passage is connected with the inner cavity of the product and the pressure measuring device.
The lower sealing device comprises a lower sealing seat arranged on the workbench and a lower sealing gasket arranged on the lower sealing seat.
The lower sealing seat is provided with a lower mounting groove, a lower positioning table matched with the lower opening of the product is arranged in the lower mounting groove, and the lower sealing gasket is positioned in the lower mounting groove and sleeved on the lower positioning table.
The upper sealing device comprises an upper sealing seat arranged on the sealing driving device and an upper sealing gasket arranged on the upper sealing seat.
The upper sealing seat is provided with an upper mounting groove, an upper positioning table matched with the upper opening of the product is arranged in the upper mounting groove, and the upper sealing gasket is positioned in the upper mounting groove and sleeved on the upper positioning table.
The air inlet of the first air passage and the air outlet of the second air passage are located on the side portion of the upper sealing seat, the air outlet of the first air passage and the air inlet of the second air passage are located on the upper positioning table, a first joint used for being connected with an air source is arranged at the air inlet of the first air passage, a second joint is arranged at the air outlet of the second air passage, and the second joint is connected with the pressure measuring device through a pipeline.
And a first moving guide structure is arranged between the upper sealing seat and the mounting table.
The air tightness detection equipment further comprises a product carrying device, wherein the product carrying device comprises two supporting rods for supporting a product and a carrying driving device for driving the two supporting rods to move up and down, and the two supporting rods are located on two opposite sides of the lower sealing device.
The carrying driving device is arranged below the workbench, a second moving guide structure is arranged between a power output part of the carrying driving device and the workbench, and the two bearing rods are arranged on the second moving guide structure.
And a movement limiting structure is arranged between the power output part of the conveying driving device and the workbench.
By adopting the technical scheme, the utility model has the beneficial effects that:
according to the air tightness detection device provided by the utility model, the product is subjected to air tightness detection in a mode of inflating and pressurizing the interior of the product and observing an air pressure value, during detection, the lower opening and the upper opening of the product are respectively blocked by the lower sealing device and the upper sealing device, so that the inner cavity of the product forms a sealed cavity, then the air source is used for inflating and pressurizing the sealed cavity, then the change of the air pressure value on the pressure measurement device is observed, if the air pressure value is within a preset pressure value range, the product does not leak air, if the air pressure value is not within the preset pressure value range, the product leaks air, the detection process is convenient and rapid, the detection result is visual and striking, and the working efficiency is high.
Drawings
FIG. 1 is a schematic view of the structure of the airtightness detection apparatus and product of the present invention;
FIG. 2 is a schematic view of the structure of the air tightness detecting apparatus of FIG. 1;
FIG. 3 is a schematic view of the other side of FIG. 2;
in the figure: 1. a frame; 11. a work table; 12. an installation table; 13. a first linear bearing; 2. a lower sealing device; 21. a lower seal seat; 211. a lower positioning table; 22. a lower seal gasket; 3. an upper sealing device; 31. an upper seal seat; 311. an upper positioning table; 312. a first gas channel gas outlet; 313. a second airway inlet; 32. an upper seal gasket; 33. a first joint; 34. a second joint; 35. a pipeline; 36. a first guide bar; 4. a seal driving device; 41. sealing the cylinder; 42. a mounting frame; 5. a pressure measuring device; 51. a pressure gauge stand; 52. a pressure gauge; 6. a product handling device; 61. a support rod; 62. a carrying cylinder; 63. a connecting plate; 64. a second guide bar; 65. a second linear bearing; 66. a limiting column; 67. a rubber head; 7. and (5) producing the product.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
As shown in fig. 1 to 3 in common, the air-tightness detecting apparatus includes a frame 1, a lower sealing device 2, an upper sealing device 3, a sealing driving device 4, and a pressure measuring device 5, wherein the frame 1 includes a worktable 11 and a mounting table 12 disposed above the worktable 11; the lower sealing device 2 is arranged on the workbench 11 and is used for plugging the lower opening of the product 7; the sealing driving device 4 is arranged on the mounting table 12, the upper sealing device 3 is arranged on the sealing driving device 4, the upper sealing device 3 is positioned above the lower sealing device 2, the sealing driving device 4 is used for driving the upper sealing device 3 to move up and down, and the upper sealing device 3 is used for blocking an upper opening of the product 7; the upper sealing device 3 is provided with a first air passage and a second air passage, the first air passage is connected with an air source (not shown in the figure) and an inner cavity of the product 7, and the second air passage is connected with the inner cavity of the product 7 and the pressure measuring device 5.
The lower seal device 2 in the present embodiment includes a lower seal holder 21 provided on the table 11, and a lower seal 22 provided on the lower seal holder 21.
Specifically, the lower seal seat 21 is provided with a lower mounting groove, the lower mounting groove is provided with a lower positioning table 211 matched with the lower opening of the product 7, and the lower seal gasket 22 is positioned in the lower mounting groove and sleeved on the lower positioning table 211.
The seal driving device 4 in the present embodiment includes a seal cylinder 41 provided on the mount table 12 and a mount 42 provided on a power output portion of the seal cylinder 41.
The upper sealing device 3 includes an upper sealing seat 31 provided on the mounting bracket 42, and an upper gasket 32 provided on the upper sealing seat 31.
Specifically, the upper seal seat 31 is provided with an upper mounting groove, an upper positioning table 311 adapted to the upper opening of the product 7 is arranged in the upper mounting groove, and the upper seal gasket 32 is positioned in the upper mounting groove and sleeved on the upper positioning table 311.
For convenience of description, in this embodiment, an air inlet of the first air passage is referred to as an air inlet of the first air passage, an air outlet of the first air passage is referred to as an air outlet 312 of the first air passage, an air inlet of the second air passage is referred to as an air inlet 313 of the second air passage, and an air outlet of the second air passage is referred to as an air outlet of the second air passage, where the air inlet of the first air passage and the air outlet of the second air passage are located at side portions of the upper seal seat 31, the air outlet 312 of the first air passage and the air inlet 313 of the second air passage are located on the upper positioning table 311, the air inlet of the first air passage is provided with a first joint 33 for being connected with an air source, the air outlet of the second air passage is provided with a second joint 34, and the second joint 34 is connected with the pressure measurement device 5 through a pipeline 35.
The pressure measuring device 5 in this embodiment includes a pressure gauge seat 51 and a pressure gauge 52 fixedly disposed on the pressure gauge seat 51, the pressure gauge seat 51 is fixedly disposed on the mounting table 12, and the pressure gauge 52 is connected to the pipeline 35.
In order to improve the stability of the up-and-down movement of the upper sealing device 3, the first movement guiding structure is provided between the upper sealing seat 31 and the mounting table 12.
The first moving guide structure in this embodiment includes a first guide rod 36 disposed on the upper seal seat 31, and a first linear bearing 13 disposed on the mounting table 12, wherein the first guide rod 36 is slidably disposed in the first linear bearing 13.
Specifically, two sets of the first guide rod 36 and the first linear bearing 13 are provided, and the two sets of the first guide rod 36 and the first linear bearing 13 are symmetrically provided.
In order to facilitate loading and unloading of the product 7, the air tightness detecting apparatus in this embodiment further includes a product carrying device 6.
Specifically, the product conveying device 6 includes two supporting rods 61 for supporting the product 7 and a conveying driving device for driving the two supporting rods 61 to move up and down, and the two supporting rods 61 are located on opposite sides of the lower sealing device 2.
The conveyance driving device in this embodiment is disposed below the table 11, a second movement guide structure is provided between the power output portion of the conveyance driving device and the table 11, and two support rods 61 are provided on the second movement guide structure.
Specifically, the carrying driving device comprises a carrying cylinder 62 arranged on the frame 1 and positioned below the workbench 11, and a connecting plate 63 arranged on a power output part of the carrying cylinder 62, the second moving guide structure comprises a second guide rod 64 arranged on the connecting plate 63, and a second linear bearing 65 arranged on the workbench 11, and the second guide rod 64 is slidably arranged in the second linear bearing 65.
The second guide rods 64 and the second linear bearings 65 in this embodiment are provided with four sets, the four sets of the second guide rods 64 and the second linear bearings 65 are respectively arranged at four corners of the connecting plate 63, and the two support rods 61 are respectively provided on the corresponding two second guide rods 64.
Two support rods 61 in this embodiment constitute a feeding and discharging guide rail, and in order to facilitate feeding and discharging, one end of the feeding and discharging guide rail is arranged in a horn shape in this embodiment.
In order to improve the conveyance accuracy, the present embodiment provides a movement restricting structure between the power output unit of the conveyance driving device and the table 11.
Specifically, the movement limiting structure includes a limiting post 66 provided on the connecting plate 63.
The number of the limiting columns 66 in this embodiment is four, and the end of each limiting column 66 is provided with a rubber head 67 having a buffering performance.
During detection, the product 7 is placed on the two supporting rods 61 and moves to a position between the lower sealing device 2 and the upper sealing device 3 along the two supporting rods 61, the two supporting rods 61 are driven by the carrying cylinder 62 to move downwards to place the product 7 on the lower sealing device 2, at the moment, the lower positioning table 211 positions the lower opening of the product 7, and the lower sealing gasket 22 seals the lower opening of the product 7.
Then, the sealing cylinder 41 drives the upper sealing device 3 to move downwards, so that the upper sealing device 3 is pressed downwards to the upper opening of the product 7, the upper positioning table 311 positions the upper opening of the product 7, the upper sealing pad 32 seals the upper opening of the product 7, and at the moment, the inner cavity of the product 7 forms a sealed cavity.
And finally, inflating and pressurizing the sealed cavity through an air source, observing the change of the air pressure value on the pressure gauge 52, wherein if the air pressure value is within a preset pressure value range, the product 7 is not air-tight, and if the air pressure value is not within the preset pressure value range, the product 7 is air-tight.
During blanking, the upper sealing device 3 is driven by the sealing cylinder 41 to move upwards to lift the upper sealing device 3 from the product 7, then the two bearing rods 61 are driven by the carrying cylinder 62 to move upwards to lift the product 7 from the lower sealing device 2, and then the product 7 is moved to the blanking end along the two bearing rods 61.
The air tightness detection device has the advantages of simple structure, convenient and quick detection process, visual and striking detection result and greatly improved working efficiency.
The present invention is not limited to the above-described embodiments, and those skilled in the art will be able to make various modifications without departing from the spirit and scope of the present invention.
Claims (10)
1. The air tightness detection device is characterized by comprising a frame, a lower sealing device, an upper sealing device, a sealing driving device and a pressure measuring device,
the rack comprises a workbench and an installation platform arranged above the workbench;
the lower sealing device is arranged on the workbench and used for plugging a lower opening of a product;
the sealing driving device is arranged on the mounting table, the upper sealing device is arranged on the sealing driving device and is positioned above the lower sealing device, the sealing driving device is used for driving the upper sealing device to move up and down, and the upper sealing device is used for plugging an upper opening of the product;
the upper sealing device is provided with a first air passage and a second air passage, the first air passage is connected with the air source and the inner cavity of the product, and the second air passage is connected with the inner cavity of the product and the pressure measuring device.
2. The airtightness detection apparatus according to claim 1, wherein the lower sealing device includes a lower sealing seat provided on the table, and a lower sealing gasket provided on the lower sealing seat.
3. The airtightness detection apparatus according to claim 2, wherein a lower mounting groove is provided on the lower seal seat, a lower positioning table adapted to the lower opening of the product is provided in the lower mounting groove, and the lower seal gasket is located in the lower mounting groove and sleeved on the lower positioning table.
4. The airtightness detection apparatus according to claim 1, wherein the upper sealing device includes an upper seal seat provided on the seal driving device, and an upper seal gasket provided on the upper seal seat.
5. The airtightness detection apparatus according to claim 4, wherein the upper seal seat is provided with an upper mounting groove, an upper positioning table adapted to the upper opening of the product is provided in the upper mounting groove, and the upper seal gasket is located in the upper mounting groove and sleeved on the upper positioning table.
6. The airtightness detection apparatus according to claim 5, wherein the air inlet of the first air passage and the air outlet of the second air passage are located at side portions of the upper seal seat, the air outlet of the first air passage and the air inlet of the second air passage are located on the upper positioning table, a first joint for connecting with the air source is provided at the air inlet of the first air passage, a second joint is provided at the air outlet of the second air passage, and the second joint is connected with the pressure measurement device through a pipeline.
7. The airtightness detection apparatus according to claim 4, wherein a first movement guide structure is provided between the upper seal mount and the mounting table.
8. The airtightness detection apparatus according to claim 1, further comprising a product handling device, wherein the product handling device includes two support rods for supporting the product, and a handling driving device for driving the two support rods to move up and down, and the two support rods are located on opposite sides of the lower sealing device.
9. The airtightness detection apparatus according to claim 8, wherein the conveyance driving device is disposed below the table, a second movement guide structure is provided between a power output portion of the conveyance driving device and the table, and the two support bars are disposed on the second movement guide structure.
10. The airtightness detection apparatus according to claim 9, wherein a movement limit structure is provided between the power output portion of the conveyance drive device and the table.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123124818.9U CN216559573U (en) | 2021-12-13 | 2021-12-13 | Air tightness detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123124818.9U CN216559573U (en) | 2021-12-13 | 2021-12-13 | Air tightness detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216559573U true CN216559573U (en) | 2022-05-17 |
Family
ID=81540601
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123124818.9U Active CN216559573U (en) | 2021-12-13 | 2021-12-13 | Air tightness detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216559573U (en) |
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2021
- 2021-12-13 CN CN202123124818.9U patent/CN216559573U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 261307 south head of Weizi Town, Changyi City, Weifang City, Shandong Province Patentee after: Shandong Haoxin Machinery Co.,Ltd. Country or region after: China Address before: 261307 south head of Weizi Town, Changyi City, Weifang City, Shandong Province Patentee before: SHANDONG HAOXIN MACHINERY Co.,Ltd. Country or region before: China |