CN201096595Y - Powder hopper hermeticity detection device - Google Patents
Powder hopper hermeticity detection device Download PDFInfo
- Publication number
- CN201096595Y CN201096595Y CNU2007200579414U CN200720057941U CN201096595Y CN 201096595 Y CN201096595 Y CN 201096595Y CN U2007200579414 U CNU2007200579414 U CN U2007200579414U CN 200720057941 U CN200720057941 U CN 200720057941U CN 201096595 Y CN201096595 Y CN 201096595Y
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- pressure
- solenoid valve
- powder
- storehouse
- powder bin
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Abstract
The utility model relates to a detection device which detects the sealing property of the carbon powder bin through the observation of the pressure whether the pressure is changed. The carbon powder bin detection device comprises a first pressure adjusting valve connected with an air pressure source, an air feeding branch led out from the first pressure adjusting valve and a detection branch led out from the first pressure adjusting valve; the air feeding branch is connected with a first electromagnetic valve which is controlled to clamp the cylinder of the carbon powder bin tightly; in the detection branch, a second pressure adjusting valve, a second electromagnetic valve, a pressure switch and the pipeline connected with the detected powder bin are connected sequentially from the upstream to the downstream along the airflow direction; the on-off state of the first and the second electromagnetic valves are controlled by a controller. The carbon powder bin detection device adopts the method of detecting the air tightness of the compressed air to detect the sealing property of the carbon powder bin; the pressure switch is used for setting the pressure value; the controller is used for controlling the pressure maintaining time; the carbon powder bin port is sealed by a special carbon power bin base; the detection is realized automatically when the start button is pressed.
Description
Technical field
The utility model relates to the specialized equipment that seal of vessel is detected, particularly a kind of pick-up unit that the powder storehouse sealing of carbon powder cartridge for laser printer is detected.
Background technology
The powder storehouse of carbon powder cartridge for laser printer is used to be stored as the carbon dust that picture uses, it is housing with a carbon dust container cavity, housing is provided with a powder storehouse powder filling port, this powder filling port can be by a lid sealing, also be provided with one on the housing by the meal outlet of powder feeding roller to the photosensitive drums powder feeding, meal outlet is by powder storehouse envelope film welded seal when dispatching from the factory, and cartridge tears off when using.Because the powder storehouse is a container of being made by the moulding welding, and higher seal request is arranged, therefore, must the leakproofness in powder storehouse be detected, whether conform to quality requirements to determine that the powder storehouse is made.At present, the sealing property detection mode of film welding and face of weld is sealed in the powder storehouse, is to stop up powder storehouse powder filling port earlier, then water is put in the powder storehouse, holds interacvity air-filling to carbon dust, and whether observation has bubble to overflow is judged that the product leakage of powder storehouse is air tight.Because small bubble is observed not come out with eyes, misjudgment causes occurring flase drop, and existing leakage powder phenomenon can in use take place the product that dispatches from the factory.In addition, above-mentioned detection method operation is loaded down with trivial details, also needs after the detection powder storehouse part is dried, and operation is more, if water inlet also can impact product quality in the carbon dust container cavity.
Summary of the invention
The purpose of this utility model provides a kind of accuracy of detection height, fireballing powder storehouse device for detecting sealability.
For achieving the above object, the utility model provides following technical scheme: powder storehouse device for detecting sealability,
It is characterized in that, comprise
First pressure regulator valve that connects pneumatic supply;
The air feed branch road of drawing from above-mentioned first pressure regulator valve;
The detection branch of drawing from above-mentioned first pressure regulator valve;
Connect first solenoid valve in the described air feed branch road, control clamps the cylinder in powder storehouse;
Be connected with second pressure regulator valve, second solenoid valve and pressure switch downstream in turn from the upstream of gas flow in the described detection branch and be connected to the pipeline in powder to be checked storehouse;
Described first solenoid valve and second solenoid valve are by controller control break-make.
The present invention adopts and detects the sealing property that compressed-air actuated impermeability method detects the powder storehouse, sets atmospheric pressure value with pressure switch, and the controller control dwell time, specific powder storehouse firm banking is pressed the sealing of powder Hatch Opening start button and just finished detection automatically.Utilize pressure switch to set atmospheric pressure value.Adopt driving switch to select the dwell time, adopt impermeability to detect and avoid testing in the water, it is accurate and stable that assurance detects, and improved test mass, and simultaneously, detection efficiency can improve 2.5-3 doubly.This detection mode also can be carried out parameterized setting, adjusting, and the impermeability that can be used for the powder storehouse box of different size detects.
Further technical scheme is:
The upstream of gas flow is connected with first solenoid valve of tensimeter and several parallel connections downstream in turn in the described air feed branch road.
Upstream from gas flow in the described detection branch is connected with second pressure regulator valve, tensimeter, second solenoid valve and pressure switch downstream in turn.
In air feed branch road and detection branch, be connected in series tensimeter in the such scheme respectively, tensimeter can intuitively show the detected pressures in current clamping pressure and the powder box, be convenient to gas pressure value and pressure changing that the operator observes current branch road, also can provide reference for the setting of force value.
Description of drawings
Fig. 1 is the pneumatic schematic diagram of the utility model first embodiment powder storehouse device for detecting sealability;
Fig. 2 is the pneumatic schematic diagram of the utility model second embodiment powder storehouse device for detecting sealability;
Fig. 3 is the partial sectional view of clamp assembly in the utility model second embodiment powder storehouse device for detecting sealability;
Fig. 4 be Fig. 3 along A-A to cut-open view;
Fig. 5 is the utility model second embodiment powder storehouse device for detecting sealability control panel synoptic diagram.
The utility model is described in further detail below in conjunction with drawings and Examples.
Embodiment
Embodiment one
Powder storehouse device for detecting sealability mainly comprises control section, pneumatic part and clamp assembly.Wherein, described control section is PLC (Programmable Logic Controller), because the environment that powder storehouse sealing detects is not abominable, and the pneumatic part required voltage is not high yet, so PLC also can be substituted by single-chip microcomputer.Referring to Fig. 1, be the schematic diagram of present embodiment powder storehouse device for detecting sealability pneumatic part, pneumatic part mainly comprises: pressure regulator valve 2, it connects pneumatic supply 1 with the control supply gas pressure; The air feed branch road and the detection branch of drawing respectively from pressure regulator valve 2; Described air feed branch road comprises 3 position-5 way solenoid valve 3 that connects successively and the cylinder of being controlled by this 3 position-5 way solenoid valve 34, and this cylinder 4 is used to clamp powder storehouse 8 so that powder storehouse 8 is fixed on station; Described detection branch comprises successively the accurate voltage regulating valve that connects 5, two two three-way electromagnetic valves 6 and the pressure switch 7 that is connected powder storehouse 8; Accurate voltage regulating valve 5 is used for more accurately regulating the air pressure of detection branch, and pressure switch 7 is used to show and sets the interior atmospheric pressure value of input powder storehouse 8 carbon dust container cavities, closes automatically when air pressure surpasses setting value.Above-mentioned 3 position-5 way solenoid valve 3 and two-position two-way solenoid valve 6 are controlled by PLC.Clamp assembly system is used to clamp the physical construction in powder to be detected storehouse, motion and cooperating of clamp assembly structure clamps powder to be detected storehouse by cylinder 4.
Simply introduce the course of work of above-mentioned powder storehouse device for detecting sealability below:
Embodiment two
Present embodiment powder storehouse device for detecting sealability mainly comprises control section, pneumatic part and clamp assembly.Wherein, described control section is PLC (Programmable Logic Controller), because the environment that powder storehouse sealing detects is not abominable, and the pneumatic part required voltage is not high yet, so PLC also can be substituted by single-chip microcomputer.Referring to Fig. 2, be the schematic diagram of present embodiment powder storehouse device for detecting sealability pneumatic part, pneumatic part mainly comprises: pressure regulator valve 20, it connects pneumatic supply 10 with the control supply gas pressure; The air feed branch road and the detection branch of drawing respectively from pressure regulator valve 20; Described air feed branch road comprises tensimeter 30 and the 3 position-5 way solenoid valve 40,60,80 of three parallel connections and three cylinders 50,70,90 controlled respectively by described three 3 position-5 way solenoid valves 40,60,80 that connect successively, and these three cylinders 50,70,90 are used for clamping powder storehouse 140 so that powder storehouse 140 is fixed on station from vertical and horizontal direction respectively; Described detection branch comprises successively the accurate voltage regulating valve 100 that connects, tensimeter 110, two two three-way electromagnetic valves 120 and the pressure switch 130 that is connected powder storehouse 140; Accurate voltage regulating valve 100 is used for more accurately regulating the air pressure of detection branch, and pressure switch 130 is used to show and set the atmospheric pressure value of importing in the powder storehouse 140, closes automatically when air pressure surpasses setting value.Above-mentioned 3 position-5 way solenoid valve 40,60,80 and two-position two-way solenoid valve 120 are controlled by PLC.Referring to Fig. 3 and Fig. 4, clamp assembly system is used to clamp the physical construction in powder to be detected storehouse, motion and cooperating of clamp assembly structure clamps powder to be detected storehouse by cylinder 50,70,90.Clamp assembly mainly comprises pedestal 150, is positioned at stroke limit piece 170 and powder storehouse limited block 160 on the pedestal 150. Cylinder 50,70 clamps powder storehouse 140 in vertical direction, and cylinder 90 clamps powder storehouse 140 in the horizontal direction; Pressure switch 130 is communicated with the powder filling port sealing in powder storehouse 140 by interface 180.
Simply introduce the course of work of above-mentioned powder storehouse device for detecting sealability below:
Referring to Fig. 5, Fig. 5 is the synoptic diagram of said apparatus control panel.At first, according to the kind in powder to be detected storehouse, by the detected pressures value in pressure switch button 1000 setting powder storehouses 140, by the dwell time in the dwell time selector button 1100 setting testing processes; Set the pressure regulation value of pressure regulator valve 20,100 in addition respectively by air feed pressure regulation button 600 and detection pressure regulation button 300; Turn on the power switch 700, open start button 400, PLC control three position five-way valve 40,60,80 is opened, and drives cylinder 50,70,90 actions respectively, clamps powder storehouse 140 on pedestal 150; Time-delay back PLC control two-position two-way solenoid valve 120 is opened, and gas enters the carbon dust container cavity in powder storehouse 140 by pressure switch 130 and interface 180; When gaseous tension in the 140 carbon dust container cavities of powder storehouse reaches the force value of pressure switch button 1000 settings, PLC control two-position two-way solenoid valve 120 is closed, keep the time of this state to 1100 settings of dwell time selector button, if gas pressure change in the powder storehouse 140, PLC control gas leakage warning light 900 is luminous, shows that this powder storehouse sealing is defective, on the contrary, if if gaseous tensions are constant in the powder storehouse 140, it is luminous that PLC controls qualified warning light 800, shows that this powder storehouse sealing is qualified.Supply gas pressure display screen 500 and detected pressures display screen 200 are respectively applied for the force value that shows tensimeter 30 and tensimeter 110, the current pressure value of each branch road of handled easily person Real Time Observation.
Certainly, the structure of the utility model powder storehouse device for detecting sealability composition is not limited to above-mentioned embodiment.For example, above-mentioned 3 position-5 way solenoid valve also can be by replacements such as three-position four-way valves; And two-position two-way solenoid valve also can be substituted by other two various way solenoid valves.In addition, the quantity of solenoid valve also is not limited to described in the embodiment or three in the described air feed branch road, also can be two or more.Do conspicuous change and other every changes that does not break away from the utility model essence all should be included within the described scope of claim according to the prompting of the foregoing description.
Claims (8)
1, powder storehouse device for detecting sealability,
It is characterized in that, comprise
First pressure regulator valve that connects pneumatic supply;
The air feed branch road of drawing from above-mentioned first pressure regulator valve;
The detection branch of drawing from above-mentioned first pressure regulator valve;
Connect first solenoid valve in the described air feed branch road, control clamps the cylinder in powder storehouse;
Be connected with second pressure regulator valve, second solenoid valve and pressure switch downstream in turn from the upstream of gas flow in the described detection branch and be connected to the pipeline in powder to be checked storehouse;
Described first solenoid valve and second solenoid valve are by controller control break-make.
2, powder according to claim 1 storehouse device for detecting sealability,
It is characterized in that:
Be connected with first solenoid valve of tensimeter and several parallel connections in the described air feed branch road downstream in turn from the upstream of gas flow.
3, powder according to claim 1 and 2 storehouse device for detecting sealability,
It is characterized in that:
Upstream from gas flow in the described detection branch is connected with second pressure regulator valve, tensimeter, second solenoid valve and pressure switch downstream in turn.
4, powder according to claim 3 storehouse device for detecting sealability,
It is characterized in that:
Described controller is a Programmable Logic Controller.
5, powder according to claim 3 storehouse device for detecting sealability,
It is characterized in that:
Described controller is a single-chip microcomputer.
6, powder according to claim 3 storehouse device for detecting sealability,
It is characterized in that:
Described first solenoid valve is two.
7, powder according to claim 6 storehouse device for detecting sealability,
It is characterized in that:
Described first solenoid valve is the 3 position-5 way solenoid valve.
8, powder according to claim 7 storehouse device for detecting sealability,
It is characterized in that:
Described second solenoid valve is a two-position two-way solenoid valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200579414U CN201096595Y (en) | 2007-09-29 | 2007-09-29 | Powder hopper hermeticity detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200579414U CN201096595Y (en) | 2007-09-29 | 2007-09-29 | Powder hopper hermeticity detection device |
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| Publication Number | Publication Date |
|---|---|
| CN201096595Y true CN201096595Y (en) | 2008-08-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200579414U Expired - Lifetime CN201096595Y (en) | 2007-09-29 | 2007-09-29 | Powder hopper hermeticity detection device |
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| CN (1) | CN201096595Y (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102288252A (en) * | 2011-05-12 | 2011-12-21 | 温州大学 | System for testing micro leakage of sealed component |
| CN102901609A (en) * | 2012-10-23 | 2013-01-30 | 汕头市东方科技有限公司 | Automatic aluminum pot leak detector |
| CN104747539A (en) * | 2013-12-26 | 2015-07-01 | 北京北方微电子基地设备工艺研究中心有限责任公司 | Sealing device and plasma machining equipment |
| CN105599253A (en) * | 2015-12-30 | 2016-05-25 | 歌尔声学股份有限公司 | Sealability detection method for screw non-return ring of injection molding machine |
| CN106323569A (en) * | 2016-08-18 | 2017-01-11 | 河北汉光重工有限责任公司 | Fuel tank airtightness detection device and test method |
| CN107101786A (en) * | 2016-02-23 | 2017-08-29 | 上海鼎灿投资咨询有限公司 | A kind of air-leakage test and tele-control system |
| CN109556798A (en) * | 2018-11-27 | 2019-04-02 | 安克创新科技股份有限公司 | Detection method, device, system and the storage medium of electronic product leakproofness |
| CN110132505A (en) * | 2019-06-27 | 2019-08-16 | 毛娟 | A kind of photovoltaic connector microcrack zone equipment and its detection method |
| CN111060264A (en) * | 2020-01-16 | 2020-04-24 | 江西凯利德科技有限公司 | Device for checking product sealing performance |
-
2007
- 2007-09-29 CN CNU2007200579414U patent/CN201096595Y/en not_active Expired - Lifetime
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102288252A (en) * | 2011-05-12 | 2011-12-21 | 温州大学 | System for testing micro leakage of sealed component |
| CN102288252B (en) * | 2011-05-12 | 2012-11-14 | 温州大学 | System for testing micro leakage of sealed component |
| CN102901609A (en) * | 2012-10-23 | 2013-01-30 | 汕头市东方科技有限公司 | Automatic aluminum pot leak detector |
| CN102901609B (en) * | 2012-10-23 | 2015-07-29 | 汕头市东方科技有限公司 | A kind of Automatic aluminum pot leak detector |
| CN104747539A (en) * | 2013-12-26 | 2015-07-01 | 北京北方微电子基地设备工艺研究中心有限责任公司 | Sealing device and plasma machining equipment |
| CN105599253B (en) * | 2015-12-30 | 2019-02-19 | 歌尔股份有限公司 | A kind of method for conducting leak test of screw in injection molding machine check ring |
| CN105599253A (en) * | 2015-12-30 | 2016-05-25 | 歌尔声学股份有限公司 | Sealability detection method for screw non-return ring of injection molding machine |
| CN107101786A (en) * | 2016-02-23 | 2017-08-29 | 上海鼎灿投资咨询有限公司 | A kind of air-leakage test and tele-control system |
| CN106323569A (en) * | 2016-08-18 | 2017-01-11 | 河北汉光重工有限责任公司 | Fuel tank airtightness detection device and test method |
| CN106323569B (en) * | 2016-08-18 | 2018-07-31 | 河北汉光重工有限责任公司 | A kind of oil tank air tightness detector and test method |
| CN109556798A (en) * | 2018-11-27 | 2019-04-02 | 安克创新科技股份有限公司 | Detection method, device, system and the storage medium of electronic product leakproofness |
| CN110132505A (en) * | 2019-06-27 | 2019-08-16 | 毛娟 | A kind of photovoltaic connector microcrack zone equipment and its detection method |
| CN111060264A (en) * | 2020-01-16 | 2020-04-24 | 江西凯利德科技有限公司 | Device for checking product sealing performance |
| CN111060264B (en) * | 2020-01-16 | 2021-05-25 | 江西凯利德科技有限公司 | Device for checking product sealing performance |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20080806 |