CN112792050A - Cleaning device and cleaning method for window of discharge hopper of tobacco feeding machine - Google Patents
Cleaning device and cleaning method for window of discharge hopper of tobacco feeding machine Download PDFInfo
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- CN112792050A CN112792050A CN202110137905.3A CN202110137905A CN112792050A CN 112792050 A CN112792050 A CN 112792050A CN 202110137905 A CN202110137905 A CN 202110137905A CN 112792050 A CN112792050 A CN 112792050A
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- hopper
- window
- nozzle
- cleaning device
- feeding machine
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B5/00—Cleaning by methods involving the use of air flow or gas flow
- B08B5/02—Cleaning by the force of jets, e.g. blowing-out cavities
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/05—Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
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- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Manufacturing Of Cigar And Cigarette Tobacco (AREA)
Abstract
The invention discloses a cleaning device for a window of a discharge hopper of a tobacco feeder, which comprises a discharge hopper (1) of the feeder, a glass window (2), a blowing nozzle (3) and a photoelectric switch (4), and is characterized in that: the blowing nozzle is arranged on a stainless steel coaming on the side surface of the glass window on the feeding machine discharge hopper, the other two opposite sides of the feeding machine discharge hopper are respectively provided with the blowing nozzle, the two blowing nozzles respectively point to the light transmission parts of the photoelectric switches on the inner surfaces of the glass windows on the two sides of the feeding machine discharge hopper, and the connecting support is a rotatable adjusting support so that the blowing angle of the blowing nozzle can be adjusted. A dust, offal or the material piece that is arranged in online self-cleaning adhesion at play hopper glass window in the production process, avoid installing the putty position photoelectric switch at a hopper because of glass window dirt shelters from and produces false signal shutdown equipment, influence production continuity, reduce the product quality.
Description
Technical Field
The invention relates to the technical field of tobacco processing equipment in the tobacco industry, in particular to a cleaning device and a cleaning method for a discharge hopper window of a tobacco feeder, which are used for automatically and online cleaning a discharge hopper glass window of the feeder.
Background
The feeder is mainly used in a tobacco shred production line, is a main conveying device on a cigarette shred production line, generally realizes the control of material flow by matching with a metering pipe, an electronic belt scale and other devices, is a constant flow control device, conveys the material flow to downstream constantly, uniformly and quantitatively, plays a role in reducing the fluctuation of the material flow, and meets the processing technological requirements of downstream devices.
The feeding machine material level control system comprises a storage bin, a feeding machine bottom belt, a lifting belt, a discharging hopper and a plurality of photoelectric sensors. The play hopper is the ejection of compact part of feeder, and the material that the elevator belt was carried is delivered to low reaches equipment metering tube through going out the hopper, and this structural shape is for falling trapezoidal, mainly comprises stainless steel bounding wall, upper and lower flange, glass window, access door etc.. The glass windows are arranged on the waist at two sides of the discharge hopper and made of transparent organic glass. The putty position photoelectric detection switch of metering tube generally installs in play hopper glass window both sides, through the interior material situation of a pair of correlation formula photoelectric switch monitoring ejection of compact hopper, photoelectric switch's light is exactly that see through the glass transmission. When the photoelectric switch is shielded by the material for a certain time, the blockage of the material accumulation in the discharging hopper is indicated, the system stops the incoming material conveying equipment, the fault alarm is given out, and after the blockage of the material accumulation in the discharging hopper needs to be cleared, the production line is restarted.
The prior art has the defect that the raw material stalks of the cigarette factory are generally from a redrying factory, the raw material stalks are stored or transported in gunny bags and composite woven bags, and a large amount of tobacco stalk scraps and dust are carried in the raw material stalks. Because the feeder goes out the hopper and is the special shape of falling trapezoidal in equipment structure, when the offal material was through going out the hopper, the dust that the material was smugglied secretly, piece that the piece cigarette material was smugglied secretly or the tobacco powder that filiform material was smugglied secretly very easily the adhesion on the glass window internal surface of going out hopper falling trapezoidal both sides waist, the photoelectric detection switch light transmission is blocked to the dirt, make photoelectric switch produce putty false signal and close the lifting belt, thereby produce the cutout, influence the continuity of silk production water line production, cause the quality hidden danger.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides a cleaning device and a cleaning method for a discharge hopper window of a tobacco feeding machine, which are used for automatically cleaning dust, tobacco powder or material scraps adhered to a discharge hopper glass window on line in the production process, and avoiding the phenomenon that a material blocking position photoelectric switch arranged on a discharge hopper generates false signals to shut down equipment due to the blocking of the dirt of the glass window, so that the production continuity is influenced and the product quality is reduced. Through the design of blowing the nozzle structure, can expand the jetting scope under the even stable condition of nozzle jet-propelled pressure of guaranteeing to blow, improve and blow the nozzle jet-propelled dynamics.
In order to achieve the purpose, the invention adopts the technical scheme that:
the utility model provides a cleaning device of tobacco feeding machine play hopper window, its includes feeding machine play hopper (1), glass window (2), sweeps nozzle (3), photoelectric switch (4), controller, and the relative both sides that the feeding machine goes out the hopper are provided with the glass window, and the relative both sides glass window department that the feeding machine goes out the hopper is provided with photoelectric switch, and the feeding machine goes out the hopper and is toper, its characterized in that: blowing nozzle (3) is installed on the stainless steel coaming on the side of glass window on the feeder goes out the hopper, the other relative both sides that the feeder goes out the hopper are provided with respectively and blow the nozzle, blow nozzle (3) and install on the feeder goes out hopper coaming surface through linking bridge, two blow the light transmission position that the nozzle points to feeder goes out hopper both sides glass window internal surface photoelectric switch (4) respectively, linking bridge is rotatable formula regulation support, so that the angle of blowing that blows the nozzle can be adjusted, in order to guarantee that compressed air's jetting direction can blow to glass window (2) internal surface photoelectric switch's light irradiation position.
Furthermore, the connecting bracket is adjusted to enable the included angle between the blowing nozzle (3) and the glass window (2) to be 20-60 degrees.
Furthermore, the blowing nozzle (3) is connected with a compressed air source through an air pipe, and a stop valve, a pressure-adjustable filter, a pressure sensor and one or more electromagnetic valves are sequentially connected onto the air pipe; the electromagnetic valve is a two-position three-way single electric control pilot type normally closed electromagnetic valve.
Further, the purge nozzle (3) comprises a nozzle body (31) and a nozzle inner ring (32), the nozzle inner ring is arranged on the inner side of the nozzle body, the nozzle body comprises a first conical section (33), a second conical section (34) and a third conical section (35) which are sequentially connected, the first conical section is a tapered section, the second conical section and the third conical section are gradually expanded sections, the nozzle inner ring is provided with an equal-diameter section (36), the equal-diameter section is positioned in the second conical section (34), the equal-diameter section and the second conical section have substantially equal axial lengths, and a first diffusion ring (37), a second diffusion ring (38) and a third diffusion ring (39) are arranged in the third conical section (35).
Further, the second diffusion ring (38) is located on the outer peripheral side of the first diffusion ring, the third diffusion ring (39) is located on the outer peripheral side of the second diffusion ring, the axial length dimensions of the first diffusion ring, the second diffusion ring and the third diffusion ring are sequentially reduced, and the first diffusion ring, the second diffusion ring, the third diffusion ring and the third conical section (35) have substantially equal taper angles.
Further, the upstream end of the first diffusion ring (37) is provided with a guide ring (40), and an axial gap is reserved between the guide ring and the equal-diameter section (36).
A cleaning method of a cleaning device for a window of a discharge hopper of a tobacco feeding machine comprises the following steps:
(1) switching on a power supply of a field control cabinet of the tobacco shredding centralized control system, operating a PLC (programmable logic controller), starting a control program, controlling an organization block OB1 to scan circularly, and starting the control system to detect whether the pressure of a compressed air source meets the working requirement;
(2) when the pressure condition is met, the cleaning system operates, the control program detects the operation mode selected by the cleaning device, the starting button is pressed down in the manual mode, the control tissue block OB1 circularly calls the cleaning device control program standard block FB1 of the window glass, the control program starts and stops the two-position three-way single-electric-control pilot-operated normally-closed electromagnetic valve according to the set pulse width and pulse time, and the control program realizes the pulse blowing cleaning function of the electromagnetic valve until the manual stop button is triggered;
(3) in the automatic mode, a control program of the cleaning device controls an organization block OB1 to circularly call a cleaning device control program standard block FB1 of the window glass according to the running state of upstream and downstream equipment and the state of a tobacco production line, the control program starts and stops a two-position three-way single-electric-control pilot-operated normally-closed electromagnetic valve according to the set pulse width and pulse time, the control program realizes the pulse blowing cleaning function of the electromagnetic valve, and the control program automatically starts and stops the pulse blowing cleaning function.
Furthermore, the pulse interval time and the pulse blowing time of the two electromagnetic valves are controlled through a PLC controller.
The cleaning device and the cleaning method for the discharge hopper window of the tobacco feeding machine are used for automatically cleaning dust, tobacco powder or material scraps adhered to a discharge hopper glass window on line in the production process, and avoiding the phenomenon that a photoelectric switch arranged at a material blocking position of a discharge hopper is blocked by the dirt of the glass window to generate a false signal to shut down equipment, so that the production continuity is influenced, and the product quality is reduced. Through the design of blowing the nozzle structure, can expand the jetting scope under the even stable condition of nozzle jet-propelled pressure of guaranteeing to blow, improve and blow the nozzle jet-propelled dynamics.
Drawings
FIG. 1 is a schematic view of a window structure of a discharge hopper of a tobacco feeder according to the present invention;
FIG. 2 is a schematic view of a cleaning device for a window of a discharge hopper of a tobacco feeder according to the present invention;
FIG. 3 is a schematic view of the gas path connection of the cleaning device of the present invention;
FIG. 4 is a schematic view of the purge nozzle structure of the cleaning apparatus of the present invention;
FIG. 5 is a control diagram of a cleaning method for a window cleaning device of a discharge hopper of a tobacco feeder according to the present invention.
In the figure: the device comprises a feeding machine discharge hopper 1, a glass window 2, a blowing nozzle 3, a (correlation type) photoelectric switch 4, a nozzle body 31, a nozzle inner ring 32, a first conical section 33, a second conical section 34, a third conical section 35, an equal-diameter section 36, a first diffusion ring 37, a second diffusion ring 38, a third diffusion ring 39 and a flow guide ring 40.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1-4, a cleaning device for a tobacco feeder discharge hopper window comprises a feeder discharge hopper 1, a glass window 2, a blowing nozzle 3, a photoelectric switch 4 and a controller, wherein the glass window 2 is arranged on two opposite sides of the feeder discharge hopper 1, the photoelectric switch 4 is arranged on the glass window 2 on two opposite sides of the feeder discharge hopper 1, the feeder discharge hopper 1 is conical, and the cleaning device is characterized in that: the blowing nozzle 3 is arranged on a stainless steel coaming on the side surface of the glass window 2 on the feeding machine discharge hopper 1, the blowing nozzle 3 is respectively arranged on the other two opposite sides of the feeding machine discharge hopper 1, the blowing nozzle 3 is arranged on the surface of the coaming on the feeding machine discharge hopper 1 through a connecting support, the two blowing nozzles 3 respectively point to the light transmission parts of the photoelectric switches 4 on the inner surfaces of the glass window 2 on the two sides of the feeding machine discharge hopper 1, the connecting support is a rotatable adjusting support, so that the blowing angle of the blowing nozzle 3 can be adjusted, and the light irradiation point/position of the photoelectric switches 4 on the inner surfaces of the glass window 2 can be blown in the blowing direction of compressed air.
The angle between the blowing nozzle 3 and the glass window 2 is adjusted by adjusting the connecting bracket to be 20-60 degrees, preferably 35-40 degrees.
The blowing nozzle 3 is connected with a compressed air source through an air pipe, and the air pipe is sequentially connected with a stop valve, a pressure-adjustable filter/pressure-adjusting valve, a pressure sensor and one or more electromagnetic valves; the electromagnetic valve is a two-position three-way single electric control pilot type normally closed electromagnetic valve.
After dust, tobacco powder or material scraps carried by the raw material tobacco stems are adhered to the glass window 2 of the discharging hopper 1 of the feeding machine, a control program starts and the cleaning device works, compressed air sequentially passes through the stop valve → the pressure-adjustable filter → the pressure sensor → the electromagnetic valve → the blowing nozzle 3, and the pulse blowing cleaning of the glass window 2 is realized. During the pulse-blow cleaning, the angle of the purge nozzle 3 relative to the glass window 2 is adjustable.
As shown in fig. 4, the purge nozzle 3 includes a nozzle body 31 and a nozzle inner ring 32, the nozzle inner ring 32 is disposed inside the nozzle body 31, the nozzle body 31 includes a first tapered section 33, a second tapered section 34, and a third tapered section 35 connected in sequence, the first tapered section 33 is a tapered section, the second tapered section 34 and the third tapered section 35 are tapered sections, the nozzle inner ring 32 has an equal diameter section 36, the equal diameter section 36 is located inside the second tapered section 34, the equal diameter section 36 and the second tapered section 34 have substantially equal axial lengths, the third tapered section 35 is provided with a first diffusion ring 37, a second diffusion ring 38, and a third diffusion ring 39, the second diffusion ring 38 is located on the outer circumferential side of the first diffusion ring 37, the third diffusion ring 39 is located on the outer circumferential side of the second diffusion ring 38, the axial length dimensions of the first diffusion ring 37, the second diffusion ring 38, and the third diffusion ring 39 are sequentially reduced, the first diffusion ring 37, The second diffuser ring 38, the third diffuser ring 39 and the third conical section 35 have substantially equal cone angles.
Through the design of blowing the nozzle structure, can expand the jetting scope under the even stable condition of nozzle jet-propelled pressure of guaranteeing to blow, improve and blow the nozzle jet-propelled dynamics.
Further, a guide ring (40) is arranged at the upstream end of the first diffusion ring 37, and an axial gap is formed between the guide ring (40) and the equal-diameter section 36.
As shown in fig. 5, a method for cleaning a window of a discharge hopper of a tobacco feeder comprises the following steps:
(1) switching on a power supply of a field control cabinet of the tobacco shredding centralized control system, operating a PLC (programmable logic controller), starting a control program, controlling an organization block OB1 to scan circularly, and starting the control system to detect whether the pressure of a compressed air source meets the working requirement;
(2) when the pressure condition is met, the cleaning system operates, the control program detects the operation mode selected by the cleaning device, the starting button is pressed down in the manual mode, the control tissue block OB1 circularly calls the cleaning device control program standard block FB1 of the window glass, the control program starts and stops the two-position three-way single-electric-control pilot-operated normally-closed electromagnetic valve according to the set pulse width and pulse time, and the control program realizes the pulse blowing cleaning function of the electromagnetic valve until the manual stop button is triggered;
(3) in the automatic mode, a control program of the cleaning device controls an organization block OB1 to circularly call a cleaning device control program standard block FB1 of the window glass according to the running state of upstream and downstream equipment and the state of a tobacco production line, the control program starts and stops a two-position three-way single-electric-control pilot-operated normally-closed electromagnetic valve according to the set pulse width and pulse time, the control program realizes the pulse blowing cleaning function of the electromagnetic valve, and the control program automatically starts and stops the pulse blowing cleaning function.
The control system/controller and the control program adopt the compiling software and the PLC controller in the prior art to compile and set the control program, adopt the Siemens TIA Portal software to compile the control program, and realize the control of the pulse interval time and the pulse blowing time of the two electromagnetic valves through the Siemens PLC controller.
The cleaning device and the cleaning method for the discharge hopper window of the tobacco feeding machine are used for automatically cleaning dust, tobacco powder or material scraps adhered to a discharge hopper glass window on line in the production process, and avoiding the phenomenon that a photoelectric switch arranged at a material blocking position of a discharge hopper is blocked by the dirt of the glass window to generate a false signal to shut down equipment, so that the production continuity is influenced, and the product quality is reduced. Through the design of blowing the nozzle structure, can expand the jetting scope under the even stable condition of nozzle jet-propelled pressure of guaranteeing to blow, improve and blow the nozzle jet-propelled dynamics.
The above-described embodiments are illustrative of the present invention and not restrictive, it being understood that various changes, modifications, substitutions and alterations can be made herein without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.
Claims (8)
1. The utility model provides a cleaning device of tobacco feeding machine play hopper window, its includes feeding machine play hopper (1), glass window (2), sweeps nozzle (3), photoelectric switch (4), controller, and the relative both sides that the feeding machine goes out the hopper are provided with the glass window, and the relative both sides glass window department that the feeding machine goes out the hopper is provided with photoelectric switch, and the feeding machine goes out the hopper and is toper, its characterized in that: blowing nozzle (3) is installed on the stainless steel coaming on the side of glass window on the feeder goes out the hopper, the other relative both sides that the feeder goes out the hopper are provided with respectively and blow the nozzle, blow nozzle (3) and install on the feeder goes out hopper coaming surface through linking bridge, two blow the light transmission position that the nozzle points to feeder goes out hopper both sides glass window internal surface photoelectric switch (4) respectively, linking bridge is rotatable formula regulation support, so that the angle of blowing that blows the nozzle can be adjusted, in order to guarantee that compressed air's jetting direction can blow to glass window (2) internal surface photoelectric switch's light irradiation position.
2. A cleaning device for the window of the discharge hopper of a tobacco feeder according to claim 1, characterized in that the angle between the blowing nozzle (3) and the glass window (2) is 20-60 ° by adjusting the connecting bracket.
3. The cleaning device for the window of the discharge hopper of the tobacco feeding machine as claimed in claim 2, wherein the blowing nozzle (3) is connected with a compressed air source through an air pipe, and a stop valve, a pressure-adjustable filter, a pressure sensor and one or more electromagnetic valves are sequentially connected to the air pipe; the electromagnetic valve is a two-position three-way single electric control pilot type normally closed electromagnetic valve.
4. The cleaning device for the window of the discharge hopper of the tobacco feeding machine as claimed in claim 3, wherein the purging nozzle (3) comprises a nozzle body (31) and a nozzle inner ring (32), the nozzle inner ring is arranged inside the nozzle body, the nozzle body comprises a first conical section (33), a second conical section (34) and a third conical section (35) which are connected in sequence, the first conical section is a tapered section, the second conical section and the third conical section are diverging sections, the nozzle inner ring is provided with an equal-diameter section (36), the equal-diameter section is arranged inside the second conical section (34), the equal-diameter section and the second conical section have substantially equal axial lengths, and a first diffusion ring (37), a second diffusion ring (38) and a third diffusion ring (39) are arranged inside the third conical section (35).
5. A cleaning device for a window of a discharge hopper of a tobacco feeder as claimed in claim 4, wherein the second diffuser ring (38) is located on an outer peripheral side of the first diffuser ring, the third diffuser ring (39) is located on an outer peripheral side of the second diffuser ring, axial length dimensions of the first diffuser ring, the second diffuser ring and the third diffuser ring decrease in sequence, and the first diffuser ring, the second diffuser ring, the third diffuser ring and the third conical section (35) have substantially equal taper angles.
6. A cleaning device for the window of the discharge hopper of a tobacco feeder as claimed in claim 5, wherein the upstream end of the first diffuser ring (37) is provided with a deflector ring (40) having an axial clearance with the constant diameter section (36).
7. A method for cleaning the window cleaning device of the discharge hopper of a tobacco feeding machine as claimed in claim 3 or 4, comprising the steps of:
(1) switching on a power supply of a field control cabinet of the tobacco shredding centralized control system, operating a PLC (programmable logic controller), starting a control program, controlling an organization block OB1 to scan circularly, and starting the control system to detect whether the pressure of a compressed air source meets the working requirement;
(2) when the pressure condition is met, the cleaning system operates, the control program detects the operation mode selected by the cleaning device, the starting button is pressed down in the manual mode, the control tissue block OB1 circularly calls the cleaning device control program standard block FB1 of the window glass, the control program starts and stops the two-position three-way single-electric-control pilot-operated normally-closed electromagnetic valve according to the set pulse width and pulse time, and the control program realizes the pulse blowing cleaning function of the electromagnetic valve until the manual stop button is triggered;
(3) in the automatic mode, a control program of the cleaning device controls an organization block OB1 to circularly call a cleaning device control program standard block FB1 of the window glass according to the running state of upstream and downstream equipment and the state of a tobacco production line, the control program starts and stops a two-position three-way single-electric-control pilot-operated normally-closed electromagnetic valve according to the set pulse width and pulse time, the control program realizes the pulse blowing cleaning function of the electromagnetic valve, and the control program automatically starts and stops the pulse blowing cleaning function.
8. The cleaning method of claim 7, wherein the control of the pulse interval time and the pulse blowing time of the two solenoid valves is performed by a PLC controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110137905.3A CN112792050B (en) | 2021-02-01 | 2021-02-01 | Cleaning device and cleaning method for window of discharge hopper of tobacco feeding machine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110137905.3A CN112792050B (en) | 2021-02-01 | 2021-02-01 | Cleaning device and cleaning method for window of discharge hopper of tobacco feeding machine |
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| CN112792050A true CN112792050A (en) | 2021-05-14 |
| CN112792050B CN112792050B (en) | 2022-04-29 |
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| CN202110137905.3A Active CN112792050B (en) | 2021-02-01 | 2021-02-01 | Cleaning device and cleaning method for window of discharge hopper of tobacco feeding machine |
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| CN113811096A (en) * | 2021-11-19 | 2021-12-17 | 杭州捷配信息科技有限公司 | Automatic cleaning equipment for circuit board |
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| CN112792050B (en) | 2022-04-29 |
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