CN103529882B - Filter tip automatic perfume adding machine controller and control method thereof - Google Patents
Filter tip automatic perfume adding machine controller and control method thereof Download PDFInfo
- Publication number
- CN103529882B CN103529882B CN201310507487.8A CN201310507487A CN103529882B CN 103529882 B CN103529882 B CN 103529882B CN 201310507487 A CN201310507487 A CN 201310507487A CN 103529882 B CN103529882 B CN 103529882B
- Authority
- CN
- China
- Prior art keywords
- controller
- liquid level
- charge pump
- feed liquid
- pressure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Loading And Unloading Of Fuel Tanks Or Ships (AREA)
Abstract
The invention discloses a kind of filter tip automatic perfume adding machine controller and control method thereof, comprise feed liquid storehouse and charge pump, the entrance point of this charge pump is communicated with described feed liquid storehouse, also switch valve is provided with between the entrance point of charge pump and feed liquid storehouse, the endpiece of this charge pump is connected with shower nozzle by conveying pipeline, this conveying pipeline is provided with pressure transducer, feed liquid is provided with liquid level detector in storehouse, the output terminal of this liquid level detector is connected to the liquid level signal end of controller, the output terminal of pressure transducer is connected to the pressure detection end of controller, the control end of charge pump is connected to the output control terminal of controller.Conveniently moving of the present invention, feed liquid backflow when feed liquid is sprayed evenly and can prevent from shutting down; Be convenient to control, can make force value in Real-Time Monitoring conveying pipeline, and carry out alarm operating personnel, avoid sprinkling uneven, liquid level detector is to liquid level Real-Time Monitoring in feed liquid storehouse simultaneously, provides report to the police and turn off feed liquid when liquid level is too low.
Description
Technical field
The present invention relates to a kind of cigarette filter perfuming device, be specifically related to a kind of filter tip automatic perfume adding machine controller and control method thereof.
Background technology
Filter tip perfuming device, essence or medicine are being sprayed on a kind of equipment on cigarette filter, medicine mouth rod is produced for auxiliary filter tip molding set, existing perfuming device, allow spices line by being equipped with the perfume slot of spice liquid, be stained with spice liquid, then through devices such as felt blocks, spice liquid unnecessary on spices line is extruded or sopped up, filter tip is processed into finally by filter forming machine, more loaded down with trivial details by the method interpolation spices process, and perfuming device complicated structure, in perfuming process, be difficult to control spice liquid on spices line number, spice liquid is too much or very fewly all can cause scrapping of filter tip, therefore a kind of structure is needed badly simple and be convenient to the filter tip perfuming device that controls.
The shortcoming of prior art is: existing perfuming device complex structure, and the addition of spice liquid is not easy to control.
Summary of the invention
The object of the present invention is to provide a kind of filter tip automatic perfume adding machine controller and control method thereof, structure is simple, be convenient to control, the monitor and forecast to conveying overpressure and level monitoring can be realized simultaneously.
For achieving the above object, technical scheme of the present invention is as follows: a kind of filter tip automatic perfume adding machine controller, comprise feed liquid storehouse and charge pump, the entrance point of described charge pump is communicated with described feed liquid storehouse, the endpiece of this charge pump is connected with shower nozzle by conveying pipeline, this conveying pipeline is provided with pressure transducer, in described feed liquid storehouse, liquid level detector is installed, the output terminal of described liquid level detector is connected to the liquid level signal end of controller, the output terminal of pressure transducer is connected to the pressure detection end of controller, the control end of described charge pump is connected to the output control terminal of controller, described conveying pipeline is provided with retaining valve, and described pressure transducer is installed between the endpiece of charge pump and retaining valve, described charge pump is positioned at below described feed liquid storehouse, is provided with switch valve and filtrator between described charge pump and feed liquid storehouse, and described filtrator top is connected by the liquid outlet of switch valve with bottom, feed liquid storehouse, and this filtrator bottom is connected with the entrance point of charge pump, electric cabinet and equipment box is provided with side by side below described feed liquid storehouse, described switch valve, filtrator and charge pump are installed in equipment box, described electric cabinet and equipment box are installed in device housings, and described retaining valve is positioned at device housings, are connected after described conveying pipeline extending equipment shell with shower nozzle, described device housings is installed on the travelling car of Tape movement wheel and brake, is provided with guardrail, the guardrail of this travelling car side is provided with handrail around this travelling car, the pressure alarm end of described controller is connected with pressure alarm pilot lamp, and the liquid level warning end of this controller is connected with liquid level warning pilot lamp, and the audible alarm end of described controller is connected with hummer, described woven hose is transparent plastic flexible pipe, and described charge pump is gear-type pump, and described shower nozzle is printhead stylus.
Adopt said structure, feed liquid storehouse loads spice liquid or medicine liquid, the entrance point of charge pump is communicated with the liquid outlet in feed liquid storehouse, feed liquid is sprayed onto on filter rod by charge pump and conveying pipeline through shower nozzle, the setting of charge pump is convenient to control by the rotation of control pump the amount that feed liquid adds, liquid level detection device detects the liquid level in feed liquid storehouse and feeds back to controller, be convenient for people to understand liquid level in feed liquid storehouse in time, signal is sent when liquid level is too low, be convenient to people and add feed liquid or parking in time, pressure transducer detects the force value in conveying pipeline and feeds back in controller, be convenient to people in conveying pipeline hypertonia or too low time, make the force value in conveying pipeline in the safe range of specifying by the rotation controlling charge pump, prevent from causing the accident because conveying pipeline pressure is excessive, or pressure is too small makes feed liquid sprinkling uneven, this Perfuming machine structure is simple, be convenient to control.
The output control terminal of described controller is connected with the control end of switch valve, and described controller is also connected with touch-screen.
According to a control method for described filter tip automatic perfume adding machine controller, comprise the control of controller to conveying overpressure, its control flow is:
The pressure detection end of controller obtains pressure transducer input signal;
Pressure transducer input signal and controller range of set value compare, and judge whether the pressure set points scope being positioned at controller; This pressure set points scope to be stored in or beyond controller self reservoir in portion's storer.
Pressure transducer input signal is positioned at the pressure set points scope of controller, then terminate;
Pressure transducer input signal exceeds the pressure set points scope of controller, and namely higher than pressure set points range higher limit or lower than pressure set points lower range limit, pressure warning unit is reported to the police, and controls filter tip automatic perfume adding machine and shuts down;
Export control signal, make filter forming machine main shut-down system;
Judge that whether pressure transducer input signal is higher than the controller pressure set points upper limit;
Be then then export conveying pipeline blockage information by controller, return the step of described acquisition pressure transducer input signal; Controller exports conveying pipeline blockage information, and being blocked by pilot lamp or voice mode alarm operating personnel conveying pipeline needs cleaning,
No, then export charge pump idle running information, return the step of described acquisition pressure transducer input signal; The force value of now pressure transducer detection, lower than pressure set points lower range limit, represents that the feed liquid in feed liquid storehouse is finished, and controller exports charge pump idle running information, and reported to the police by pilot lamp or voice mode, alert adds feed liquid in time.
Pressure set points scope maximal value is pressure set points higher limit, and pressure set points stated range minimum is pressure set points lower limit.
Above-mentioned control method, pressure warning unit comprises pressure alarm pilot lamp and hummer, controller is to the Real-Time Monitoring of conveying overpressure, when force value exceeds setting range, pressure warning unit is reported to the police, and by controlling the rotating speed of charge pump, making conveying overpressure maintain in setting range, avoiding feed liquid to spray because pressure exceeds setting range uneven.
Also be provided with the low liquid level warning of controller, the low liquid level warning flow process of described controller is:
The level sensing end of controller obtains liquid level detector input signal;
Liquid level detector input signal and the first level set value compare, and judge whether lower than the first level set value;
Liquid level detector input signal higher than equaling the first level set value, then terminates;
Liquid level detector input signal is lower than the first level set value, then the first liquid level alarm is reported to the police; Prompting staff adds feed liquid;
Liquid level detector input signal and the second level set value compare, and judge whether lower than the second level set value;
Liquid level detector input signal, higher than equaling the second level set value, returns the step of described acquisition liquid level detector input signal;
Liquid level detector input signal is lower than the second level set value, then controller output signal controls filter forming machine main shut-down system;
Second liquid level alarm is reported to the police, and filter tip automatic perfume adding machine is shut down;
Controller control output end controls charge pump stall;
Controller gauge tap valve cuts out;
Return the step of described acquisition liquid level detector input signal.
The first above-mentioned liquid level alarm and the second liquid level alarm are arranged on filter tip Perfuming machine, by the Real-Time Monitoring to liquid level in feed liquid storehouse, realize the low alarm of diverse location, first liquid level alarm and the second liquid level alarm include liquid level warning pilot lamp and hummer, second level set value and the first level set value to be stored in or beyond controller self reservoir in portion's storer, second level set value is lower than the first level set value, when liquid level is lower than the first level set value, reported to the police by the first liquid level alarm, alert liquid feeding; When liquid level is lower than the second level set value; liquid level touches the end; namely operating personnel also do not add feed liquid; second level sensor is reported to the police; then controller exports control signal and makes filter forming machine main shut-down system; controller output end is connected or communication with filter forming machine main frame; it is made to stop transmitting filter stick; controller exports control signal and makes Perfuming machine main shut-down system, and charge pump stall stops hydrojet, closing switch valve; when avoiding feed liquid deficiency; continuing production makes feed liquid sprinkling uneven, produces substandard product, waste material.
Realization the invention has the beneficial effects as follows: structure is simple, conveniently moving, feed liquid backflow when feed liquid is sprayed evenly and can prevent from shutting down; Be convenient to control, force value in conveying pipeline can be made to maintain in setting over range, and avoid that pressure is excessive or too small sprinkling is uneven, the too low alarm of liquid level in feed liquid storehouse, prompting operator process in time, and Accident prevention occurs.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is electrical schematic diagram of the present invention;
Fig. 3 is control structure block diagram of the present invention;
Fig. 4 is that controller of the present invention is to process flow diagram pressure controlled in conveying pipeline;
Fig. 5 is the low liquid level warning process flow diagram of controller of the present invention.
Embodiment
Below in conjunction with drawings and Examples, the invention will be further described:
As shown in Figure 1, a kind of filter tip automatic perfume adding machine controller, comprise feed liquid storehouse 1 and charge pump 2, charge pump 2 is positioned at below feed liquid storehouse 1, switch valve 6 and filtrator 7 is provided with between charge pump 2 and feed liquid storehouse 1, described filtrator 7 top is connected with the liquid outlet of bottom, feed liquid storehouse 1 by switch valve 6, this filtrator 7 bottom is connected with the entrance point of charge pump 2, the endpiece of this charge pump 2 is connected with shower nozzle 4 by conveying pipeline 5, conveying pipeline 5 is provided with retaining valve 3, described woven hose 5 is transparent plastic flexible pipe, charge pump 2 is gear-type pump, shower nozzle 4 is printhead stylus, be provided with in feed liquid storehouse 1 described in pressure transducer 9 between the endpiece of charge pump 2 and retaining valve 3 and liquid level detector 8 is installed.
Electric cabinet 14 and equipment box 15 is provided with side by side below described feed liquid storehouse 1, described switch valve 6, filtrator 7 and charge pump 2 are installed in equipment box 15, described electric cabinet 14 and equipment box 15 are installed in device housings 16, described retaining valve 3 is positioned at device housings 16, be connected with shower nozzle 4 after described conveying pipeline 5 extending equipment shell 16, described device housings 16 is installed on the travelling car 17 of Tape movement wheel and brake, be provided with guardrail around this travelling car 17, the guardrail of this travelling car 17 side is provided with handrail.
As shown in Figures 2 and 3, the output terminal of described liquid level detector 8 is connected to the liquid level signal end of controller, the output terminal of pressure transducer 9 is connected to the pressure detection end of controller, the control end of described charge pump 2 is connected to the output control terminal of controller, the control end of switch valve 6 is connected with controller output end, controller output end also connects filter forming machine main frame, the pressure alarm end of described controller is connected with pressure alarm pilot lamp 11, the liquid level warning end of this controller is connected with liquid level warning pilot lamp 12, the audible alarm end of described controller is connected with hummer 13, pressure alarm pilot lamp 11 and hummer 13 decomposition pressure alarm, liquid level warning pilot lamp 12 and hummer 13 form liquid level alarm, described controller is also connected with touch-screen 10.
As shown in Figure 4, a kind of control method of described filter tip automatic perfume adding machine controller, comprise the control of controller to pressure in conveying pipeline 5, its control flow is:
The pressure detection end of controller obtains pressure transducer 9 input signal;
Pressure transducer 9 input signal and controller range of set value compare, and judge whether the pressure set points scope being positioned at controller; This pressure set points scope to be stored in or beyond controller self reservoir in portion's storer.
Pressure transducer 9 input signal is positioned at the pressure set points scope of controller, then terminate;
Pressure transducer 9 input signal exceeds the pressure set points scope of controller, and namely higher than pressure set points range higher limit or lower than pressure set points lower range limit, pressure warning unit is reported to the police, and namely pressure alarm pilot lamp 11 is bright, hummer 13 sounding; Filter tip automatic perfume adding machine is shut down;
Export control signal, make filter forming machine main shut-down system;
Judge that whether pressure transducer 9 input signal is higher than the controller pressure set points upper limit;
Then export conveying pipeline 5 blockage information, return the step of described acquisition pressure transducer 9 input signal;
No, then export charge pump 2 and to dally information, return the step of described acquisition pressure transducer 9 input signal.
Above-mentioned control method, controller is to the Real-Time Monitoring of pressure in conveying pipeline 5, and when force value exceeds setting range, filter tip automatic perfume adding machine is shut down, and avoids feed liquid to spray because pressure exceeds setting range uneven.
As shown in Figure 5, be also provided with the low liquid level warning of controller, the low liquid level warning flow process of controller is:
The level sensing end of controller obtains liquid level detector 8 input signal;
Liquid level detector 8 input signal and the first level set value compare, and judge whether lower than the first level set value;
Liquid level detector 8 input signal higher than equaling the first level set value, then terminates;
Liquid level detector 8 input signal is lower than the first level set value, then the first liquid level alarm is reported to the police, and namely liquid level warning pilot lamp 12 is bright, hummer 13 sounding;
Controller sends control signal and makes filter forming machine engine reduced power;
Controller output control terminal controls charge pump and slows down, and can pass through frequency conversion or voltage regulating mode;
Liquid level detector 8 input signal and the second level set value compare, and judge whether lower than the second level set value;
Liquid level detector 8 input signal, higher than equaling the second level set value, returns the step of described acquisition liquid level detector 8 input signal;
Liquid level detector 8 input signal is lower than the second level set value, then controller output signal controls filter forming machine main shut-down system;
Second liquid level alarm is reported to the police, and Perfuming machine is shut down;
Controller control output end controls charge pump 2 stall;
Controller gauge tap valve 6 cuts out;
Return the step of described acquisition liquid level detector 8 input signal.
Continuous circulation detects liquid level in feed liquid storehouse 1.
Claims (4)
1. a filter tip automatic perfume adding machine controller, it is characterized in that: comprise feed liquid storehouse (1) and charge pump (2), the entrance point of described charge pump (2) is communicated with described feed liquid storehouse (1), the endpiece of this charge pump (2) is connected with shower nozzle (4) by conveying pipeline (5), this conveying pipeline (5) is provided with pressure transducer (9), in described feed liquid storehouse (1), liquid level detector (8) is installed, the output terminal of described liquid level detector (8) is connected to the liquid level signal end of controller, the output terminal of pressure transducer (9) is connected to the pressure detection end of controller, the control end of described charge pump (2) is connected to the output control terminal of controller, described conveying pipeline (5) is provided with retaining valve (3), described pressure transducer (9) is installed between the endpiece of charge pump (2) and retaining valve (3), described charge pump (2) is positioned at described feed liquid storehouse (1) below, switch valve (6) and filtrator (7) is provided with between described charge pump (2) and feed liquid storehouse (1), described filtrator (7) top is connected with the liquid outlet of feed liquid storehouse (1) bottom by switch valve (6), and this filtrator (7) bottom is connected with the entrance point of charge pump (2), described feed liquid storehouse (1) below is provided with electric cabinet (14) and equipment box (15) side by side, described switch valve (6), filtrator (7) and charge pump (2) are installed in equipment box (15), described electric cabinet (14) and equipment box (15) are installed in device housings (16), described retaining valve (3) is positioned at device housings (16), and described conveying pipeline (5) extending equipment shell (16) is connected with shower nozzle (4) afterwards, described device housings (16) is installed on the travelling car (17) of Tape movement wheel and brake, and this travelling car (17) is provided with guardrail around, and the guardrail of this travelling car (17) side is provided with handrail, the pressure alarm end of described controller is connected with pressure alarm pilot lamp (11), and the liquid level warning end of this controller is connected with liquid level warning pilot lamp (12), and the audible alarm end of described controller is connected with hummer (13), described conveying pipeline (5) is transparent plastic flexible pipe, and described charge pump (2) is gear-type pump, and described shower nozzle (4) is printhead stylus.
2. filter tip automatic perfume adding machine controller according to claim 1, is characterized in that: the output control terminal of described controller is connected with the control end of switch valve (6), and described controller is also connected with touch-screen (10).
3. a control method for filter tip automatic perfume adding machine controller according to claim 1, is characterized in that: comprise the control of controller to conveying pipeline (5) interior pressure, its control flow is:
Obtain pressure transducer input signal;
Judge whether pressure transducer input signal is positioned at the pressure set points scope of controller;
Be positioned at the pressure set points scope of controller, terminate;
Exceed the pressure set points scope of controller, Perfuming machine is shut down;
Export control signal, make filter forming machine main shut-down system;
Judge whether higher than the controller pressure set points upper limit;
Be then export conveying pipeline (5) blockage information, return the step of described acquisition pressure transducer (9) input signal;
No, then export charge pump (2) idle running information, return the step of described acquisition pressure transducer (9) input signal.
4. the control method of filter tip automatic perfume adding machine controller according to claim 3, is characterized in that: the low liquid level warning being also provided with controller, and the low liquid level warning flow process of described controller is:
Obtain liquid level detector input signal;
Judge that whether liquid level detector input signal is lower than the first level set value;
Higher than equaling the first level set value, then terminate;
Lower than the first level set value, then the first liquid level alarm is reported to the police;
Judge that whether liquid level detector input signal is lower than the second level set value;
Higher than equaling the second level set value, return the step of described acquisition liquid level detector input signal;
Lower than the second level set value, then filter forming machine main shut-down system;
Second liquid level alarm is reported to the police, and Perfuming machine is shut down;
Control charge pump stall;
Gauge tap valve cuts out;
Return the step of described acquisition liquid level detector input signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310507487.8A CN103529882B (en) | 2013-10-24 | 2013-10-24 | Filter tip automatic perfume adding machine controller and control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310507487.8A CN103529882B (en) | 2013-10-24 | 2013-10-24 | Filter tip automatic perfume adding machine controller and control method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103529882A CN103529882A (en) | 2014-01-22 |
| CN103529882B true CN103529882B (en) | 2016-04-27 |
Family
ID=49931968
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310507487.8A Active CN103529882B (en) | 2013-10-24 | 2013-10-24 | Filter tip automatic perfume adding machine controller and control method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103529882B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103960778B (en) * | 2014-04-02 | 2017-01-18 | 上海烟草集团有限责任公司 | Novel glue applying device used in cigarette filter tip forming unit |
| CN105772327A (en) * | 2016-03-22 | 2016-07-20 | 上海市勤昌织带厂 | Improved cold glue spraying system of KDF2 forming machine |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1994023597A1 (en) * | 1993-04-20 | 1994-10-27 | Comas - Costruzioni Macchine Speciali - S.P.A. | Process for flavouring shredded tobacco and apparatus for implementing the process |
| CN101833293A (en) * | 2010-06-01 | 2010-09-15 | 华东师范大学 | Precision control method and device for adding micro-liquid |
| CN202819597U (en) * | 2012-08-28 | 2013-03-27 | 厦门烟草工业有限责任公司 | Online detection system for charging and spicing system pipeline pressure |
| CN202857823U (en) * | 2012-10-10 | 2013-04-10 | 上海烟草集团有限责任公司 | Cigarette filter stick dray-wet separation perfuming device |
| CN203028088U (en) * | 2012-12-05 | 2013-07-03 | 龙岩烟草工业有限责任公司 | Feeding device |
| CN103286025A (en) * | 2013-05-24 | 2013-09-11 | 湖南中烟工业有限责任公司 | Tobacco perfuming control method and tobacco perfuming control device |
| CN203578087U (en) * | 2013-10-24 | 2014-05-07 | 重庆烟草滤嘴材料厂 | Controller of automatic flavoring machine for filter tip |
-
2013
- 2013-10-24 CN CN201310507487.8A patent/CN103529882B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1994023597A1 (en) * | 1993-04-20 | 1994-10-27 | Comas - Costruzioni Macchine Speciali - S.P.A. | Process for flavouring shredded tobacco and apparatus for implementing the process |
| CN101833293A (en) * | 2010-06-01 | 2010-09-15 | 华东师范大学 | Precision control method and device for adding micro-liquid |
| CN202819597U (en) * | 2012-08-28 | 2013-03-27 | 厦门烟草工业有限责任公司 | Online detection system for charging and spicing system pipeline pressure |
| CN202857823U (en) * | 2012-10-10 | 2013-04-10 | 上海烟草集团有限责任公司 | Cigarette filter stick dray-wet separation perfuming device |
| CN203028088U (en) * | 2012-12-05 | 2013-07-03 | 龙岩烟草工业有限责任公司 | Feeding device |
| CN103286025A (en) * | 2013-05-24 | 2013-09-11 | 湖南中烟工业有限责任公司 | Tobacco perfuming control method and tobacco perfuming control device |
| CN203578087U (en) * | 2013-10-24 | 2014-05-07 | 重庆烟草滤嘴材料厂 | Controller of automatic flavoring machine for filter tip |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103529882A (en) | 2014-01-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104145923B (en) | A kind of spraying machine shower nozzle plugging fault removal system and method | |
| CN103529882B (en) | Filter tip automatic perfume adding machine controller and control method thereof | |
| CN205042815U (en) | Pulsed highly -compressed air cleaning device that jets | |
| CN105134210B (en) | A kind of external high pressure automatic spray dust removal device of coal-winning machine and method | |
| CN104133496A (en) | Monitoring system and method for working condition of spraying machine | |
| CN205182419U (en) | Building site presses down dirt system with little fog | |
| CN102632002A (en) | Fine atomized glycerin spraying system | |
| CN105213172A (en) | Portable automatic emergency eye syringe | |
| WO2023102890A1 (en) | Intelligent mining area environment treatment apparatus | |
| CN205523061U (en) | Energy -conserving efficient ink jet numbering machine | |
| CN202731981U (en) | Mining automatic atomizing and aspirating device | |
| CN206535682U (en) | A kind of multifunctional spray dust suppression car | |
| CN203712846U (en) | Automatic prefabricated beam spraying maintenance system | |
| CN201358429Y (en) | Road roller intermittent watering control system | |
| CN203578087U (en) | Controller of automatic flavoring machine for filter tip | |
| CN202370864U (en) | Flow and pressure stabilization control device for fire engine | |
| CN203618757U (en) | Control device used for stabilizing moisture removal of cut tobacco flavoring drum | |
| CN107415188A (en) | One kind injection production line state monitoring device | |
| CN208165869U (en) | A kind of diaphragm type clears up chute automatically | |
| CN102817629A (en) | Mining automatic atomizing and dust falling device | |
| CN205895296U (en) | Highway tunnel fire control unit | |
| CN203510437U (en) | Automatic slurry feeding device for bathroom ceramic molding | |
| CN203546119U (en) | Material metering device for continuous pelletizing of manganese zinc ferrite | |
| CN203418788U (en) | Automatic glue dispensing control device for sheet-shaped packing materials | |
| CN205152875U (en) | Automatic change washing atomizer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |