CN109827720A - A kind of air curtain test device - Google Patents
A kind of air curtain test device Download PDFInfo
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- CN109827720A CN109827720A CN201910260432.9A CN201910260432A CN109827720A CN 109827720 A CN109827720 A CN 109827720A CN 201910260432 A CN201910260432 A CN 201910260432A CN 109827720 A CN109827720 A CN 109827720A
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- module
- airflow channel
- main shaft
- front shroud
- solenoid valve
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Abstract
The invention discloses a kind of air curtain test devices, including main shaft, side inside the main shaft is provided with inlet channel one, the main shaft is internally provided with airflow channel one, the airflow channel one is internally provided with total pressure sensor, one end inside the main shaft is provided with airflow channel two, the airflow channel two is internally provided with solenoid valve, one end of the main shaft is provided with front shroud, side inside the front shroud is provided with inlet channel two and airflow channel three, the airflow channel three is internally provided with pressure sensor, waterproof ring is provided between the front shroud and the main shaft, the total pressure sensor, the solenoid valve and the pressure sensor are electrically connected with control host respectively, the control host is connect with display.The utility model has the advantages that pressure history can be shown, and then by testing result, waterproof ring etc. conveniently can be targetedly adjusted, so that main shaft waterproof performance reaches best.
Description
Technical field
The present invention relates to main shaft the field of test technology, it particularly relates to a kind of air curtain test device.
Background technique
Increasingly mature with Dry-gas Sealing Technology, application range is also increasingly wider.Hermetic seal at present is gradually in centrifugal pump
And it is applied on blender, and be gradually deep into numerically-controlled machine tool high-speed main spindle field.When designing High-speed NC Machining center,
One critically important problem is to ensure that front-end of spindle has reliable sealing, and main shaft hermetic seal can prevent the metal cutting in processing
Particle slag enters other parts in main shaft bearing and case, and then effectively prevents metal cutting particle slag and enter main shaft bearing, and
The problem of caused spindle rotation accuracy reduces, and affects the processing performance of lathe, in water pump, the leakproofness of main shaft is also to pass
It is important, however the sealed waterproof effect of main shaft is difficult to real-time perfoming detection.
For the problems in the relevant technologies, currently no effective solution has been proposed.
Summary of the invention
For the problems in the relevant technologies, the present invention proposes a kind of air curtain test device, to overcome existing the relevant technologies institute
Existing above-mentioned technical problem.
For this purpose, the specific technical solution that the present invention uses is as follows:
A kind of air curtain test device, including main shaft, the side inside the main shaft are provided with inlet channel one, the main shaft
Be internally provided with the airflow channel one connecting with the inlet channel one, the airflow channel one is internally provided with gross pressure
Sensor, one end inside the main shaft, which is provided with, several to be located at one side of airflow channel and connects with the airflow channel one
Logical airflow channel two, the airflow channel two are internally provided with solenoid valve, and one end of the main shaft is provided with front shroud, institute
It states the side inside front shroud and is provided with several inlet channels two being connected to the airflow channel two, the inside of the front shroud
Several airflow channels three being connected to the inlet channel two are provided with, the airflow channel three is internally provided with pressure sensing
Device is provided with waterproof ring, successively sets respectively between the waterproof ring and the front shroud between the front shroud and the main shaft
It is equipped with labyrinth structure and water throwing structure, forms exhaust passage, the waterproof ring and institute between the waterproof ring and the front shroud
It states and is provided with capillary groove between front shroud, one end of the main shaft is provided with the top plate being tightly connected with the waterproof ring, described
Total pressure sensor, the solenoid valve and the pressure sensor be electrically connecteds with control host respectively, the control host and
Display connection.
Further, it is described control host inside be disposed with respectively central processing unit, pressure abnormity alarm module,
Pressure curve fitting module, pressure curve display module, fault detection module, fault alarm module, polling module, sensor die
Block, solenoid valve control module and data memory module, also, the pressure abnormity alarm module, pressure curve fitting module, institute
State fault detection module, the fault alarm module, the polling module and the data memory module respectively with it is described in
Central processor connection, the pressure curve display module connect with the pressure curve fitting module, the sensor module with
The solenoid valve control module is connect with the polling module respectively.
Further, the airflow channel one, the airflow channel two, the inlet channel two, the airflow channel three
It is provided with 12, also, the airflow channel one, the airflow channel two, the air inlet respectively with the exhaust passage
Channel two, the airflow channel three and the exhaust passage are in 30 degree along the section center of circle of the main shaft on the main shaft
It is uniformly arranged.
Further, the solenoid valve and the pressure sensor are provided with 12, also, the solenoid valve respectively
It connects one to one with the pressure sensor.
Further, the airflow channel one is cirque structure.
Further, gasket seal is provided between the front shroud and the main shaft, also, in the gasket seal
Meta position installs the slot for being equipped with and being connected to the airflow channel two and the inlet channel two.
Further, the sensor module is internally provided with several sensor lists connecting with the pressure sensor
Member, the solenoid valve control module are internally provided with several control unit of electromagnetic valve connecting with the solenoid valve.
Further, the display is multi-section display structure.
The invention has the benefit that logical by setting inlet channel one, airflow channel one, total pressure sensor, air-flow
Road two, solenoid valve, inlet channel two, airflow channel three, pressure sensor, exhaust passage, control host and display, so as to
It is enough to pass through display pressure history, and then by testing result, waterproof ring etc. conveniently can be targetedly adjusted, so that main shaft is prevented
It is aqueous to reach best.
Detailed description of the invention
It in order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the invention
Example, for those of ordinary skill in the art, without creative efforts, can also obtain according to these attached drawings
Obtain other attached drawings.
Fig. 1 is a kind of main shaft partial cutaway view of air curtain test device according to an embodiment of the present invention；
Fig. 2 is a kind of cross-sectional view of air curtain test device according to an embodiment of the present invention；
Fig. 3 is a kind of main shaft sectional view of air curtain test device according to an embodiment of the present invention；
Fig. 4 is a kind of electronic device connection schematic diagram of air curtain test device according to an embodiment of the present invention；
Fig. 5 is a kind of control host internal module connection schematic diagram of air curtain test device according to an embodiment of the present invention.
In figure:
1, main shaft；2, inlet channel one；3, airflow channel one；4, total pressure sensor；5, airflow channel two；6, electromagnetism
Valve；7, front shroud；8, inlet channel two；9, airflow channel three；10, pressure sensor；11, waterproof ring；12, labyrinth structure；13,
Water throwing structure；14, exhaust passage；15, capillary groove；16, top plate；17, host is controlled；18, display；19, central processing unit；
20, pressure abnormity alarm module；21, pressure curve fitting module；22, pressure curve display module；23, fault detection module；
24, fault alarm module；25, polling module；26, sensor module；27, solenoid valve control module；28, data memory module；
29, gasket seal；30, slot；31, sensor unit；32, control unit of electromagnetic valve.
Specific embodiment
To further illustrate that each embodiment, the present invention are provided with attached drawing, these attached drawings are that the invention discloses one of content
Point, mainly to illustrate embodiment, and the associated description of specification can be cooperated to explain the operation principles of embodiment, cooperation ginseng
Examine these contents, those of ordinary skill in the art will be understood that other possible embodiments and advantages of the present invention, in figure
Component be not necessarily to scale, and similar component symbol is conventionally used to indicate similar component.
According to an embodiment of the invention, providing a kind of air curtain test device.
Embodiment one:
As shown in Figs. 1-5, air curtain test device according to an embodiment of the present invention, including main shaft 1, inside the main shaft 1
Side is provided with inlet channel 1, and the main shaft 1 is internally provided with the airflow channel one connecting with the inlet channel 1
3, the airflow channel 1 is internally provided with total pressure sensor 4, and one end inside the main shaft 1 is provided with several be located at
One 3 side of airflow channel and the airflow channel 25 being connected to the airflow channel 1, the inside of the airflow channel 25
Be provided with solenoid valve 6, one end of the main shaft 1 is provided with front shroud 7, the side inside the front shroud 7 be provided with it is several with
The inlet channel 28 that the airflow channel 25 is connected to, the front shroud 7 are internally provided with several and inlet channel 28
The airflow channel 39 of connection, the airflow channel 39 are internally provided with pressure sensor 10, the front shroud 7 and the master
Waterproof ring 11 is provided between axis 1, be disposed with respectively between the waterproof ring 11 and the front shroud 7 labyrinth structure 12 and
Water throwing structure 13 forms exhaust passage 14, the waterproof ring 11 and the front cover between the waterproof ring 11 and the front shroud 7
Capillary groove 15 is provided between plate 7, one end of the main shaft 1 is provided with the top plate 16 being tightly connected with the waterproof ring 11, institute
It states total pressure sensor 4, the solenoid valve 6 and the pressure sensor 10 to be electrically connected with control host 17 respectively, the control
Host 17 processed is connect with display 18.
With the aid of the technical scheme, by the way that inlet channel 1, airflow channel 1, total pressure sensor 4, air-flow is arranged
Channel 25, solenoid valve 6, inlet channel 28, airflow channel 39, pressure sensor 10, exhaust passage 14, control 17 and of host
Display 18 conveniently can targetedly adjust waterproof so as to pass through display pressure history, and then by testing result
Ring etc., so that main shaft waterproof performance reaches best.
Embodiment two:
As shown in Figs. 1-5, the inside of the control host 17 is disposed with central processing unit 19, pressure abnormity report respectively
Alert module 20, pressure curve fitting module 21, pressure curve display module 22, fault detection module 23, fault alarm module 24,
Polling module 25, sensor module 26, solenoid valve control module 27 and data memory module 28, also, the pressure abnormity report
Alert module 20, pressure curve fitting module 21, the fault detection module 23, the fault alarm module 24, the inspection mould
Block 25 and the data memory module 28 connects with the central processing unit 19 respectively, the pressure curve display module 22 and
The pressure curve fitting module 21 connects, the sensor module 26 and the solenoid valve control module 27 respectively with it is described
Polling module 25 connects, the airflow channel 1, the airflow channel 25, the inlet channel 28, the airflow channel three
9 and the exhaust passage 14 be provided with 12 respectively, also, it is the airflow channel 1, the airflow channel 25, described
Inlet channel 28, the airflow channel 39 and the exhaust passage 14 are on the main shaft 1 along the section of the main shaft 1 circle
The heart is uniformly arranged in 30 degree, and the solenoid valve 6 and the pressure sensor 10 are provided with 12 respectively, also, described
Solenoid valve 6 and the pressure sensor 10 connect one to one, and the airflow channel 1 is cirque structure, the front shroud 7
Gasket seal 29 is provided between the main shaft 1, also, the middle position of the gasket seal 29 is provided with and the air-flow
The slot 30 that channel 25 is connected to the inlet channel 28, the sensor module 26 are internally provided with several and pressure
The sensor unit 31 that force snesor 10 connects, the solenoid valve control module 27 are internally provided with several and solenoid valve
The control unit of electromagnetic valve 32 of 6 connections, the display 18 are multi-section display structure.
Working principle: in use, solenoid valve 6 is in open state, gas enters air-flow by inlet channel 1 and leads to
Then road 1 sequentially enters airflow channel 25, inlet channel 28 and airflow channel 39, at this time 4 energy of total pressure sensor
Enough to be monitored to the total gas pressure inside airflow channel 1, pressure sensor 10 can carry out the air pressure of airflow channel 39 real
When monitor, when the total gas pressure inside airflow channel 1 changes, at this time control host 17 control solenoid valve 6 be in pass
Closed state, then opens solenoid valve 6 one by one, are monitored the air pressure in airflow channel 39, and the data transmission of monitoring is to controlling
Inside host 17, data are carried out integration and show air pressure change curve by display 18 by control host 17, and then pass through inspection
It surveys as a result, waterproof ring etc. conveniently can targetedly be adjusted, so that main shaft waterproof performance reaches best.
In conclusion by means of above-mentioned technical proposal of the invention, by setting inlet channel 1, airflow channel 1,
Total pressure sensor 4, airflow channel 25, solenoid valve 6, inlet channel 28, airflow channel 39, pressure sensor 10, exhaust are logical
Road 14, control host 17 and display 18 can be square so as to pass through display pressure history, and then by testing result
Just waterproof ring etc. is targetedly adjusted, so that main shaft waterproof performance reaches best.
In the present invention unless specifically defined or limited otherwise, term " installation ", " setting ", " connection ", " fixation ",
Terms such as " being screwed on " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be with
It is mechanical connection, is also possible to be electrically connected；It can be directly connected, two can also be can be indirectly connected through an intermediary
The interaction relationship of connection or two elements inside a element, unless otherwise restricted clearly, for the common of this field
For technical staff, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (8)
1. a kind of air curtain test device, which is characterized in that including main shaft (1), the internal side of the main shaft (1) is provided with air inlet
Channel one (2), the main shaft (1) is internally provided with the airflow channel one (3) connecting with the inlet channel one (2), described
Airflow channel one (3) is internally provided with total pressure sensor (4), and the internal one end of the main shaft (1) is provided with several be located at
Airflow channel one (3) side and the airflow channel two (5) being connected to the airflow channel one (3), the airflow channel two
(5) be internally provided with solenoid valve (6), one end of the main shaft (1) is provided with front shroud (7), and the front shroud (7) is internal
Side is provided with several inlet channels two (8) being connected to the airflow channel two (5), the inside setting of the front shroud (7)
There are several airflow channels three (9) being connected to the inlet channel two (8), the airflow channel three (9) is internally provided with pressure
Force snesor (10) is provided with waterproof ring (11) between the front shroud (7) and the main shaft (1), the waterproof ring (11) with
Labyrinth structure (12) and water throwing structure (13), the waterproof ring (11) and institute are disposed between the front shroud (7) respectively
Formation exhaust passage (14) between front shroud (7) is stated, is provided with capillary groove between the waterproof ring (11) and the front shroud (7)
(15), one end of the main shaft (1) is provided with the top plate (16) being tightly connected with the waterproof ring (11), the gross pressure sensing
Device (4), the solenoid valve (6) and the pressure sensor (10) are electrically connected with control host (17) respectively, the control master
Machine (17) is connect with display (18).
2. a kind of air curtain test device according to claim 1, which is characterized in that the inner part of control host (17)
It is not disposed with central processing unit (19), pressure abnormity alarm module (20), pressure curve fitting module (21), pressure curve
Display module (22), fault detection module (23), fault alarm module (24), polling module (25), sensor module (26), electricity
Magnet valve control module (27) and data memory module (28), also, the pressure abnormity alarm module (20), pressure curve are fitted
Module (21), the fault detection module (23), the fault alarm module (24), the polling module (25) and the data
Memory module (28) is connect with the central processing unit (19) respectively, the pressure curve display module (22) and the pressure
Curve fitting module (21) connection, the sensor module (26) and the solenoid valve control module (27) are patrolled with described respectively
Examine module (25) connection.
3. a kind of air curtain test device according to claim 1, which is characterized in that the airflow channel one (3), the gas
Circulation road two (5), the inlet channel two (8), the airflow channel three (9) and the exhaust passage (14) are provided with respectively
12, also, the airflow channel one (3), the airflow channel two (5), the inlet channel two (8), the air-flow are logical
Road three (9) and the exhaust passage (14) are uniform in 30 degree along the section center of circle of the main shaft (1) on the main shaft (1)
Setting.
4. a kind of air curtain test device according to claim 1, which is characterized in that the solenoid valve (6) and the pressure
Sensor (10) is provided with 12 respectively, also, the solenoid valve (6) and the pressure sensor (10) correspond and connect
It connects.
5. a kind of air curtain test device according to claim 1, which is characterized in that the airflow channel one (3) is annulus
Shape structure.
6. a kind of air curtain test device according to claim 1, which is characterized in that the front shroud (7) and the main shaft
(1) it is provided between gasket seal (29), also, the middle position of the gasket seal (29) is provided with and the airflow channel
The slot (30) that two (5) are connected to the inlet channel two (8).
7. a kind of air curtain test device according to claim 1, which is characterized in that the inside of the sensor module (26)
Be provided with several sensor units (31) connecting with the pressure sensor (10), the solenoid valve control module (27) it is interior
Portion is provided with several control unit of electromagnetic valve (32) connecting with the solenoid valve (6).
8. a kind of air curtain test device according to claim 1, which is characterized in that the display (18) is multi-section display
Structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910260432.9A CN109827720A (en) | 2019-04-02 | 2019-04-02 | A kind of air curtain test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910260432.9A CN109827720A (en) | 2019-04-02 | 2019-04-02 | A kind of air curtain test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109827720A true CN109827720A (en) | 2019-05-31 |
Family
ID=66873995
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910260432.9A Pending CN109827720A (en) | 2019-04-02 | 2019-04-02 | A kind of air curtain test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109827720A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111693267A (en) * | 2020-06-24 | 2020-09-22 | 中国民用航空总局第二研究所 | Test device and test method for bearing performance of test piece remains |
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| CN104214351A (en) * | 2014-07-31 | 2014-12-17 | 北京机电院机床有限公司 | Airtight seal design method of machine tool main shaft |
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| CN106679047A (en) * | 2015-11-09 | 2017-05-17 | 蒋子荣 | Labyrinth annular air curtain sealing structure |
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| CN207366429U (en) * | 2017-09-19 | 2018-05-15 | 佛山市南华仪器股份有限公司 | Gas detecting system |
| CN109237045A (en) * | 2017-03-23 | 2019-01-18 | 马鞍山市恒永利机械科技有限公司 | A kind of rotary shaft air curtain generates unit, gas sealing mechanism and its processing method |
| CN109412325A (en) * | 2018-11-16 | 2019-03-01 | 江苏思维福特机械科技股份有限公司 | A kind of electric machine main shaft |
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2019
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0219250A2 (en) * | 1985-10-09 | 1987-04-22 | Gaydon Technology Limited | A leak detector |
| CN104214351A (en) * | 2014-07-31 | 2014-12-17 | 北京机电院机床有限公司 | Airtight seal design method of machine tool main shaft |
| CN204373865U (en) * | 2014-12-25 | 2015-06-03 | 深圳市音沃仕科技有限公司 | Waterproof test device |
| CN106679047A (en) * | 2015-11-09 | 2017-05-17 | 蒋子荣 | Labyrinth annular air curtain sealing structure |
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| CN109237045A (en) * | 2017-03-23 | 2019-01-18 | 马鞍山市恒永利机械科技有限公司 | A kind of rotary shaft air curtain generates unit, gas sealing mechanism and its processing method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111693267A (en) * | 2020-06-24 | 2020-09-22 | 中国民用航空总局第二研究所 | Test device and test method for bearing performance of test piece remains |
| CN111693267B (en) * | 2020-06-24 | 2022-05-31 | 中国民用航空总局第二研究所 | Test device and test method for bearing performance of test piece remains |
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Application publication date: 20190531 |