CN211178896U - High-precision air tightness detection device for processing structural part - Google Patents
High-precision air tightness detection device for processing structural part Download PDFInfo
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- CN211178896U CN211178896U CN201922190608.6U CN201922190608U CN211178896U CN 211178896 U CN211178896 U CN 211178896U CN 201922190608 U CN201922190608 U CN 201922190608U CN 211178896 U CN211178896 U CN 211178896U
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Abstract
The utility model discloses a high-precision air tightness detection device for processing structural parts, which comprises an installation bottom plate and an installation frame which are fixedly connected into a whole, wherein a positioning base for positioning the processing structural parts is fixedly installed on the installation bottom plate; the mounting frame is fixedly provided with a main sealing pressure cylinder, the output end of the main sealing pressure cylinder is selectively and hermetically matched with the upper mounting port through the up-and-down driving displacement of the main sealing pressure cylinder, the mounting frame is also respectively provided with side sealing air cylinders which are respectively positioned at two sides, and the output end of each side sealing air cylinder is selectively and hermetically matched with the left mounting port and the right mounting port through the left-and-right driving displacement of the side sealing air cylinders; the gas injection channel of the high-precision gas tightness detection device is selectively communicated with an external gas source through a pressure valve assembly; the utility model discloses simple structure, the simple operation can realize detecting the high accuracy gas tightness in batches of processing structure, and detection efficiency is high.
Description
Technical Field
The utility model belongs to the gas tightness detection technique of machined part, concretely relates to high accuracy gas tightness detection device of processing structure.
Background
The air tightness installation effect is generally required to be considered in a plurality of processing structural parts, however, the air tightness of the existing processing structural parts is not detected or is manually detected during product quality inspection, and the air tightness detection precision is poor. Especially for the centrifugal fan water-cooling seat product with higher air tightness requirement, it is necessary to ensure that the processed product has excellent air tightness effect in the processing stage.
Therefore, the applicant wishes to independently develop a high-precision airtightness detection apparatus for a machined structural member having a high airtightness requirement.
Disclosure of Invention
In view of this, the utility model aims at providing a high accuracy gas tightness detection device of processing structure, simple structure, the simple operation can realize detecting the high accuracy gas tightness in batches of processing structure, and detection efficiency is high.
The utility model adopts the technical scheme as follows:
a high-precision air tightness detection device for a machined structural part comprises an installation bottom plate and an installation frame which are fixedly connected into a whole, wherein the machined structural part comprises an internal cavity body, and the internal cavity body is respectively communicated with an upper installation opening positioned above, a left installation opening positioned on the left side and a right installation opening positioned on the right side; a positioning base for positioning the processing structural part is fixedly arranged on the mounting bottom plate; the mounting frame is fixedly provided with a main sealing pressure cylinder, the output end of the main sealing pressure cylinder is selectively and hermetically matched with the upper mounting opening through the up-and-down driving displacement of the main sealing pressure cylinder, the mounting frame is also respectively provided with side sealing air cylinders which are respectively positioned at two sides, and the output end of each side sealing air cylinder is selectively and hermetically matched with the left mounting opening and the right mounting opening through the left-and-right driving displacement of the side sealing air cylinders; and the gas injection channel of the high-precision gas tightness detection device is selectively communicated with an external gas source through a pressure valve assembly.
Preferably, the gas injection channel is located in the positioning base, the pressure valve assembly comprises a gas inlet end communicated with an external gas source and a gas outlet end communicated with the gas injection channel, and the communication between the external gas source and the gas injection channel is selectively opened or closed through the pressure valve assembly.
Preferably, the pressure valve assembly comprises a gas switch valve and a pressure gauge which are communicated through a connecting pipeline, a gas inlet end of the gas switch valve is communicated with an external gas source, a gas outlet end of the gas switch valve is communicated with a gas inlet end of the pressure gauge, and a gas outlet end of the pressure gauge is communicated with the gas injection channel.
Preferably, a sealing ring is arranged at the joint of the side sealing cylinder and the corresponding mounting port.
Preferably, the output end of the main sealing pressure cylinder is in selective sealing fit with the upper mounting opening through an upper sealing seat, the lower part of the upper sealing seat is in sealing mounting connection with the upper mounting opening, and the upper part of the upper sealing seat is in selective sealing fit with the output end of the main sealing pressure cylinder.
Preferably, the gas control valves of the main sealing pressure cylinder and the side sealing cylinder are respectively and fixedly installed on the installation bottom plate.
Preferably, the processing structural part is a centrifugal fan water cooling seat.
The utility model discloses a by main sealed jar of pressing, and be located the side seal cylinder of both sides and realize being located the sealed effect of top and left and right sides installing port to processing structure, the bottom of processing structure is directly set up on the location base simultaneously, make the internal cavity become sealed detection cavity from this, through the gas injection passageway selective injection that to gas tightness detection device has the gas of fixed pressure, after the injected gas reaches pressure balance, stop to inject gas into the gas injection passageway, observe sealed detection cavity through the pressure valve subassembly and whether there is pressure variation, estimate the gas tightness of processing structure according to this pressure variation condition; the utility model discloses simple structure, the simple operation can realize detecting the high accuracy gas tightness in batches of processing structure, and detection efficiency is high.
Drawings
Fig. 1 is a schematic structural diagram of a high-precision air-tightness detecting device 200 according to an embodiment of the present invention.
Detailed Description
The embodiment of the utility model discloses a high-precision air tightness detection device for a processing structural part, which comprises a mounting bottom plate and a mounting rack which are fixedly connected into a whole, wherein the processing structural part comprises an internal cavity, the internal cavity is respectively communicated with an upper mounting port positioned above, a left mounting port positioned on the left side and a right mounting port positioned on the right side; a positioning base for positioning the processing structural member is fixedly arranged on the mounting bottom plate; the mounting frame is fixedly provided with a main sealing pressure cylinder, the output end of the main sealing pressure cylinder is selectively and hermetically matched with the upper mounting port through the up-and-down driving displacement of the main sealing pressure cylinder, the mounting frame is also respectively provided with side sealing air cylinders which are respectively positioned at two sides, and the output end of each side sealing air cylinder is selectively and hermetically matched with the left mounting port and the right mounting port through the left-and-right driving displacement of the side sealing air cylinders; and the gas injection channel of the high-precision gas tightness detection device is selectively communicated with an external gas source through a pressure valve assembly.
In order to make the technical solutions in the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.
Referring to fig. 1, a high-precision air tightness detection device 200 for a machined structural member, in this embodiment, the machined structural member applied is a centrifugal fan water cooling base 100, in this embodiment, the high-precision air tightness detection device 200 includes a mounting base plate 211 and a mounting frame 212 which are fixedly connected as a whole, the centrifugal fan water cooling base 100 includes an internal cavity, the internal cavity is respectively communicated with an upper mounting port 110 located above, a left mounting port 120 located on the left side and a right mounting port 130 located on the right side; a positioning base 220 for positioning the centrifugal fan water cooling base 100 is fixedly arranged on the mounting bottom plate 211; a main sealing pressure cylinder 230 is fixedly installed on the installation frame 212, the output end of the main sealing pressure cylinder 230 is selectively and hermetically matched with the upper installation port 110 through the up-and-down driving displacement of the main sealing pressure cylinder 230, the installation frame 212 is also provided with side sealing air cylinders 240 respectively located at two sides, and the output end of each side sealing air cylinder 240 is selectively and hermetically matched with the left installation port 120 and the right installation port 130 through the left-and-right driving displacement of the side sealing air cylinder 240; in order to facilitate the compact layout of the structure, it is preferable that the gas control valve 231 of the main sealing cylinder 230 and the gas control valve 241 of the side sealing cylinder 240 are fixedly installed on the installation base plate 211, respectively, and the cylinder pressure gauge 214 for cylinder pressure control is fixedly installed on the installation frame 212;
in the present embodiment, the gas injection channel (not shown) of the high-precision gas tightness detection apparatus 200 is in selective communication with an external gas source (not shown) through the pressure valve assembly 250; specifically, preferably, the gas injection channel is located in the positioning base 220, the pressure valve assembly 250 includes a gas inlet end communicated with an external gas source and a gas outlet end communicated with the gas injection channel, and the communication between the external gas source and the gas injection channel is selectively opened or closed by the pressure valve assembly 250; the pressure valve assembly 250 comprises a gas switch valve 251 and a pressure gauge 252 which are communicated through a connecting pipeline (not shown), wherein the gas inlet end of the gas switch valve 251 is communicated with an external gas source, the gas outlet end of the gas switch valve 251 is communicated with the gas inlet end of the pressure gauge 252, and the gas outlet end of the pressure gauge 252 is communicated with a gas injection channel;
preferably, in order to further ensure the sealing effect on the side mounting ports 120 and 130, in the present embodiment, the connecting portions of the side sealing cylinder 240 and the corresponding mounting ports 120 and 130 are respectively provided with an O-ring;
preferably, in order to further ensure the sealing and press-fitting accuracy of the upper mounting port 110, in the present embodiment, the output end of the main sealing cylinder 230 is selectively and sealingly engaged with the upper mounting port 110 through the upper sealing seat 213, the lower side of the upper sealing seat 213 is sealingly connected to the upper mounting port 110, and the upper side thereof is selectively and sealingly engaged with the output end of the main sealing cylinder 230.
In the embodiment, the sealing effect of the mounting ports 110,120 and 130 of the centrifugal fan water cooling seat 100 positioned above and at the left and right sides is realized by the main sealing pressure cylinder 230 and the side sealing air cylinders 240 positioned at the two sides, and simultaneously, the bottom of the centrifugal fan water cooling seat 100 is directly arranged on the positioning base 220, so that the inner cavity becomes a sealing detection cavity, gas with fixed pressure is selectively injected into the gas injection channel of the air tightness detection device 200, when the injected gas reaches pressure balance, the gas injection into the gas injection channel is stopped, whether the pressure change of the sealing detection cavity exists or not is observed by the pressure valve assembly 250, and the air tightness of the centrifugal fan water cooling seat 100 is evaluated according to the pressure change condition; this embodiment simple structure, the simple operation can realize detecting the high accuracy gas tightness in batches of centrifugal fan water-cooling seat 100, and detection efficiency is high.
Of course, other machined structural members may be applied to other embodiments of the present application, and the present application is not particularly limited in implementation.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (7)
1. A high-precision air tightness detection device for a machined structural part comprises an installation bottom plate and an installation frame which are fixedly connected into a whole, wherein the machined structural part comprises an internal cavity body, and the internal cavity body is respectively communicated with an upper installation opening positioned above, a left installation opening positioned on the left side and a right installation opening positioned on the right side; the device is characterized in that a positioning base for positioning a machined structural part is fixedly arranged on the mounting bottom plate; the mounting frame is fixedly provided with a main sealing pressure cylinder, the output end of the main sealing pressure cylinder is selectively and hermetically matched with the upper mounting opening through the up-and-down driving displacement of the main sealing pressure cylinder, the mounting frame is also respectively provided with side sealing air cylinders which are respectively positioned at two sides, and the output end of each side sealing air cylinder is selectively and hermetically matched with the left mounting opening and the right mounting opening through the left-and-right driving displacement of the side sealing air cylinders; and the gas injection channel of the high-precision gas tightness detection device is selectively communicated with an external gas source through a pressure valve assembly.
2. The apparatus of claim 1, wherein the gas injection channel is located in the positioning base, the pressure valve assembly comprises a gas inlet end communicated with an external gas source and a gas outlet end communicated with the gas injection channel, and the external gas source is selectively opened or closed to communicate with the gas injection channel through the pressure valve assembly.
3. The apparatus for detecting the high-precision air tightness of a processing structure according to claim 1 or 2, wherein the pressure valve assembly comprises a gas switch valve and a pressure gauge which are communicated through a connecting pipe, a gas inlet end of the gas switch valve is communicated with an external gas source, a gas outlet end of the gas switch valve is communicated with a gas inlet end of the pressure gauge, and a gas outlet end of the pressure gauge is communicated with the gas injection channel.
4. The high-precision air tightness detection device for the machined structural part according to claim 1, wherein a sealing ring is arranged at the joint of the side sealing cylinder and the corresponding mounting port.
5. The high-precision air tightness detection device for the machined structural part according to claim 1, wherein the output end of the main sealing pressure cylinder is in selective sealing fit with the upper mounting port through an upper sealing seat, the lower part of the upper sealing seat is in sealing mounting connection with the upper mounting port, and the upper part of the upper sealing seat is in selective sealing fit with the output end of the main sealing pressure cylinder.
6. The apparatus for detecting the high precision air tightness of a processing structure according to claim 1, wherein the gas control valves of the main sealing cylinder and the side sealing cylinder are fixedly installed on the installation base plate respectively.
7. The high-precision air tightness detection device for the machined structural part according to claim 1, characterized in that the machined structural part is a centrifugal fan water-cooling seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922190608.6U CN211178896U (en) | 2019-12-10 | 2019-12-10 | High-precision air tightness detection device for processing structural part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922190608.6U CN211178896U (en) | 2019-12-10 | 2019-12-10 | High-precision air tightness detection device for processing structural part |
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| Publication Number | Publication Date |
|---|---|
| CN211178896U true CN211178896U (en) | 2020-08-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922190608.6U Active CN211178896U (en) | 2019-12-10 | 2019-12-10 | High-precision air tightness detection device for processing structural part |
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| CN (1) | CN211178896U (en) |
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- 2019-12-10 CN CN201922190608.6U patent/CN211178896U/en active Active
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