CN210513581U - Air tightness detection device - Google Patents
Air tightness detection device Download PDFInfo
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- CN210513581U CN210513581U CN201920514727.XU CN201920514727U CN210513581U CN 210513581 U CN210513581 U CN 210513581U CN 201920514727 U CN201920514727 U CN 201920514727U CN 210513581 U CN210513581 U CN 210513581U
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Abstract
The utility model discloses an air tightness detection device, which comprises a fixing mechanism (1), a sealing mechanism (2), a communicating mechanism (3) and an air pressure detection mechanism (4), wherein the sealing mechanism (2) and the communicating mechanism (3) are movably arranged at two sides of the fixing mechanism (1); the sealing mechanism (2) comprises a sealing element (21) which is elastically arranged, the communicating mechanism (3) is communicated with an air pressure source, and the air pressure detecting mechanism (4) is communicated with the communicating mechanism (3). The utility model is used for have the gas tightness test of a plurality of opening products.
Description
Technical Field
The utility model relates to an air tightness test equipment technical field, concretely relates to air tightness check out test set with a plurality of open-ended.
Background
Air tightness is an important performance index of many products, and the normal use of the products can be ensured only by good air tightness. Some products have one or more than two openings, and each opening needs to be sealed when detecting the gas tightness, then can detect the gas tightness of the rest positions of the product, and the sealing effect of the existing gas tightness detection equipment to the product opening is not good, and especially the opening sealing when the gas tightness of the product can not be detected by adapting to different pressures, so that the gas tightness test result is not accurate enough. For example, electron cigarette are both ends open-ended product, just need seal the opening at both ends when detecting the gas tightness, then detect the gas tightness, but current equipment directly adopts the sprue to block up at the opening part, can not guarantee the sealed effect of opening part, also can not adapt to the gas tightness test of different pressure.
SUMMERY OF THE UTILITY MODEL
The utility model provides a technical problem to not enough in the background art, provide an air tightness check out test set that can solve.
In order to solve the technical problem, the technical scheme of the utility model is that: the air tightness detection device comprises a fixing mechanism, a sealing mechanism, a communicating mechanism and an air pressure detection mechanism, wherein the sealing mechanism and the communicating mechanism are movably arranged on two sides of the fixing mechanism; the sealing mechanism comprises a sealing element which is arranged elastically, the communicating mechanism is communicated with an air pressure source, and the air pressure detecting mechanism is communicated with the communicating mechanism.
Furthermore, the sealing mechanism further comprises a fixed seat and an elastic piece, and the sealing piece is connected to the fixed seat through the elastic piece.
Further, the sealing mechanism also comprises a guide rod, and the sealing element is arranged on the guide rod.
Further, the sealing device further comprises a first driving mechanism, and the sealing mechanism is in driving connection with the first driving mechanism.
Further, the first driving mechanism is a linear driving member.
Further, the device also comprises a second driving mechanism, and the communication mechanism is in driving connection with the second driving mechanism.
Further, the second driving mechanism is a three-axis manipulator.
Further, fixed establishment includes sliding platform, the last a plurality of fixed tools that are provided with of sliding platform.
Further, still include the transfer chain, the sliding platform sets up on the transfer chain.
Furthermore, the sealing mechanism, the communicating mechanism and the air pressure detection mechanism are all provided with a plurality of groups.
The utility model discloses the beneficial effect who realizes mainly has following several: the sealing mechanism adopts the sealing element which is elastically arranged, the sealing effect on the opening of the product is good, and the air tightness test result error caused by poor sealing of the opening is avoided; meanwhile, the elastic piece can be self-adaptive to the air pressure inside the product to seal the opening, the product can be subjected to air tightness detection under a plurality of different air pressures or can still be guaranteed to seal the opening when air leakage occurs due to poor air tightness of the product, and the phenomenon that the sealing performance of the opening is reduced due to the change of the air pressure inside the product and the air tightness test result is influenced is avoided.
Drawings
Fig. 1 is a schematic cross-sectional view of an angle of a gas tightness detecting device according to an embodiment of the present invention;
fig. 2 is a schematic cross-sectional view of another angle of the air tightness detecting device according to an embodiment of the present invention;
fig. 3 is a schematic diagram of a cross-sectional mechanism of a sealing mechanism of an air-tightness detecting device according to an embodiment of the present invention.
The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted; the same or similar reference numerals correspond to the same or similar parts; the terms describing positional relationships in the drawings are for illustrative purposes only and are not to be construed as limiting the patent.
Detailed Description
To facilitate understanding for those skilled in the art, the present invention will be described in further detail with reference to the accompanying drawings and examples.
Example one
Referring to fig. 1 to 3, an air tightness detection device is used for detecting air tightness of a product, particularly, an air tightness of a product with a plurality of openings. The air tightness detection device comprises a fixing mechanism 1, a sealing mechanism 2, a communicating mechanism 3 and an air pressure detection mechanism 4, wherein the fixing mechanism 1 is used for fixing a product to be detected, the sealing mechanism 2 is used for sealing an opening on the product, and the sealing mechanism 2 can be arranged in a plurality of ways according to the number of the openings of the product. The communicating mechanism 3 is used for communicating the interior of the product with an air pressure source and sealing the product opening, so that poor sealing at the product opening is avoided. The air pressure detection mechanism 4 is used for detecting the air pressure change inside the product to be detected, so as to determine whether the air tightness of the product is good or not, and an air pressure meter can be adopted. The sealing mechanism 2 and the communicating mechanism 3 are movably arranged on two sides of the fixing mechanism 1, and can be specifically arranged according to the position of a product opening, for example, for a tubular product with an upper opening and a lower opening, the sealing mechanism 2 and the communicating mechanism 3 can be respectively movably arranged on the upper side and the lower side of the fixing mechanism 1, and the openings of the product are respectively sealed and communicated from the upper side and the lower side.
Referring to fig. 1 to 3, the sealing mechanism 2 includes a sealing member 21 disposed elastically, and the sealing member can be disposed according to the shape of the opening of the product, so as to block the opening. The specific method of elastic arrangement can be to arrange the sealing element on the spring, and also can directly adopt elastic materials such as rubber pads and the like as the elastic element. The communicating mechanism 3 is generally set to be a tubular structure, one end of the communicating mechanism is communicated with an air pressure source, the other end of the communicating mechanism is communicated with the inside of the product, the opening of the product is sealed at the same time, and materials such as a rubber pad and the like can be arranged on the contact surface of the tubular structure and the opening of the product for sealing. The air pressure source can adopt a high-pressure air source to pressurize the interior of the product and detect the pressure maintaining capacity of the product to detect the air tightness of the product; the vacuum pump can also be adopted to vacuumize the interior of the product, and the air tightness of the product can be detected by detecting the vacuum maintaining capacity of the product. The air pressure detection mechanism 4 is communicated with the communication mechanism 3, namely can be communicated with the interior of a product to be detected, so that the air pressure detection mechanism 4 can detect the air pressure inside the product to be detected.
When detecting the gas tightness, fix the product through fixed establishment 1, communicate one opening and the atmospheric pressure source of product through communicating mechanism 3, other openings of product are stopped up to sealing mechanism 2, then for the inside pressurization or the evacuation of product, detect whether the atmospheric pressure change in the product is in the allowed band through atmospheric pressure detection mechanism 4 after the interval of a certain time to confirm whether the gas tightness of product is good. The sealing mechanism 2 adopts an elastically arranged sealing element, so that the sealing effect on the opening of the product is good, and the error of the air tightness test result caused by poor sealing of the opening is avoided; meanwhile, the elastic piece can be self-adaptive to the air pressure inside the product to seal the opening, the product can be subjected to air tightness detection under a plurality of different air pressures or can still be guaranteed to seal the opening when air leakage occurs due to poor air tightness of the product, and the phenomenon that the sealing performance of the opening is reduced due to the change of the air pressure inside the product and the air tightness test result is influenced is avoided.
Referring to fig. 3, the sealing mechanism 2 includes a sealing member 21, a fixing seat 22 and an elastic member 23, and the sealing member 21 is connected to the fixing seat 22 through the elastic member 23. Preferably, the elastic part 23 is a spring, the sealing part 21 is connected to the fixing seat 22 through the spring, the elasticity of the spring is stronger, and the sealing self-adaptive capacity to the product is stronger when the airtightness of the product is detected under different pressures. Further, it is preferable that the sealing material 21 is a soft sealing material such as rubber, and the sealing ability is further improved. In order to avoid the skew of the sealing member 21 to affect the sealing effect, the sealing mechanism 2 is further provided with a guide rod 24, which may be a hollow rod-shaped structure, and the sealing member 21 is arranged in the hollow structure of the guide rod 24, so that the sealing member 21 is guided by the guide rod 24 to avoid the skew to affect the sealing effect.
Referring to fig. 1, in order to improve the flexibility of the equipment, a first driving mechanism 5 is further arranged, and the sealing mechanism 2 is in driving connection with the first driving mechanism 5, so that the sealing mechanism 2 is driven to seal the opening of the product in the test process after the product is loaded, and the sealing mechanism 2 is taken out when the product is unloaded. The first driving mechanism 5 can be selected according to the requirement, and can be a driving component in a linear direction or a driving component in a two-dimensional direction. Fig. 1 shows a manner of driving the seal mechanism 2 in a linear direction by using an air cylinder as the first driving mechanism 5.
Referring to fig. 1 and 2, the test device further comprises a second driving mechanism 6, and the communicating mechanism 3 is in driving connection with the second driving mechanism 6, so that the communicating mechanism 3 can be driven to move, and the test of the product is facilitated. The second driving mechanism 6 preferably adopts a three-axis manipulator, and drives the communicating mechanism 3 to move in a three-dimensional space, so that the three-dimensional space can better adapt to products with different positions and shapes.
Referring to fig. 1 and 2, the fixing mechanism 1 includes a sliding platform 11, and a plurality of fixing jigs 12 are disposed on the sliding platform 11, so that the placement position of a product can be adjusted, and a plurality of products can be placed for testing at the same time. Preferably, the sealing mechanism 2 and the communicating mechanism 3 are correspondingly arranged in a plurality of groups below and above the sliding platform 11, and the air pressure detecting mechanism 4 is also arranged in a plurality of groups. Therefore, a plurality of products placed on the sliding platform 11 can be detected simultaneously, and the testing efficiency is improved. In addition, a conveying line 7 can be arranged, a conveying belt or a speed doubling chain can be adopted, and the sliding platform 11 is arranged on the conveying line 7, so that the products to be tested can be continuously fed and discharged through the conveying line 7, continuous testing is realized, and the testing efficiency is further improved.
It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (9)
1. An airtightness detection apparatus is characterized in that: the device comprises a fixing mechanism (1), a sealing mechanism (2), a communicating mechanism (3) and an air pressure detecting mechanism (4), wherein the sealing mechanism (2) and the communicating mechanism (3) are movably arranged on two sides of the fixing mechanism (1); the sealing mechanism (2) comprises a sealing element (21) which is elastically arranged, the communication mechanism (3) is communicated with an air pressure source, and the air pressure detection mechanism (4) is communicated with the communication mechanism (3); the sealing mechanism (2) further comprises a fixed seat (22) and an elastic piece (23), and the sealing piece (21) is connected to the fixed seat (22) through the elastic piece (23).
2. The airtightness detection apparatus according to claim 1, wherein: the sealing mechanism (2) further comprises a guide rod (24), and the sealing element (21) is arranged on the guide rod (24).
3. The airtightness detection apparatus according to claim 1 or 2, wherein: the sealing device is characterized by further comprising a first driving mechanism (5), wherein the sealing mechanism (2) is in driving connection with the first driving mechanism (5).
4. The airtightness detection apparatus according to claim 3, wherein: the first driving mechanism (5) is a linear driving part.
5. The airtightness detection apparatus according to claim 1, wherein: the device is characterized by further comprising a second driving mechanism (6), wherein the communicating mechanism (3) is in driving connection with the second driving mechanism (6).
6. The airtightness detection apparatus according to claim 5, wherein: the second driving mechanism (6) is a three-axis manipulator.
7. The airtightness detection apparatus according to claim 1, wherein: the fixing mechanism (1) comprises a sliding platform (11), and a plurality of fixing jigs (12) are arranged on the sliding platform (11).
8. The airtightness detection apparatus according to claim 7, wherein: the device also comprises a conveying line (7), and the sliding platform (11) is arranged on the conveying line (7).
9. The airtightness detection apparatus according to any one of claims 1, 2, and 5 to 8, wherein: the sealing mechanism (2), the communicating mechanism (3) and the air pressure detection mechanism (4) are all provided with a plurality of groups.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920514727.XU CN210513581U (en) | 2019-04-16 | 2019-04-16 | Air tightness detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920514727.XU CN210513581U (en) | 2019-04-16 | 2019-04-16 | Air tightness detection device |
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| Publication Number | Publication Date |
|---|---|
| CN210513581U true CN210513581U (en) | 2020-05-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920514727.XU Active CN210513581U (en) | 2019-04-16 | 2019-04-16 | Air tightness detection device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112924097A (en) * | 2021-03-05 | 2021-06-08 | 深圳市大富方圆成型技术有限公司 | Air tightness detection device |
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2019
- 2019-04-16 CN CN201920514727.XU patent/CN210513581U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112924097A (en) * | 2021-03-05 | 2021-06-08 | 深圳市大富方圆成型技术有限公司 | Air tightness detection device |
| CN112924097B (en) * | 2021-03-05 | 2023-09-19 | 深圳市大富方圆成型技术有限公司 | Air tightness detection device |
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Address after: C1001, C501, a901, No.1, Tianyang 2nd Road, Dongfang community, Songgang street, Bao'an District, Shenzhen City, Guangdong Province Patentee after: Shenzhen skol Technology Co.,Ltd. Patentee after: HUIZHOU YINGHE INDUSTRIAL TECHNOLOGY Co.,Ltd. Address before: 518105 room 01, 10th floor, building C, nanbiantou Science Park, 1 Tianyang 2nd Road, Dongfang community, Songgang street, Bao'an District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN SKE TECHNOLOGY Co.,Ltd. Patentee before: HUIZHOU YINGHE INDUSTRIAL TECHNOLOGY Co.,Ltd. |