CN113019912A - Tobacco stem winnowing system with self-cleaning and dust removing functions - Google Patents
Tobacco stem winnowing system with self-cleaning and dust removing functions Download PDFInfo
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- CN113019912A CN113019912A CN202110450202.6A CN202110450202A CN113019912A CN 113019912 A CN113019912 A CN 113019912A CN 202110450202 A CN202110450202 A CN 202110450202A CN 113019912 A CN113019912 A CN 113019912A
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B7/00—Selective separation of solid materials carried by, or dispersed in, gas currents
- B07B7/01—Selective separation of solid materials carried by, or dispersed in, gas currents using gravity
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
- A24B5/00—Stripping tobacco; Treatment of stems or ribs
- A24B5/16—Other treatment of stems or ribs, e.g. bending, chopping, incising
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/18—Drum screens
- B07B1/22—Revolving drums
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/42—Drive mechanisms, regulating or controlling devices, or balancing devices, specially adapted for screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
- B07B1/50—Cleaning
- B07B1/52—Cleaning with brushes or scrapers
- B07B1/522—Cleaning with brushes or scrapers with brushes
- B07B1/524—Cleaning with brushes or scrapers with brushes the brushes being rotating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
- B07B1/50—Cleaning
- B07B1/55—Cleaning with fluid jets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B11/00—Arrangement of accessories in apparatus for separating solids from solids using gas currents
- B07B11/06—Feeding or discharging arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B11/00—Arrangement of accessories in apparatus for separating solids from solids using gas currents
- B07B11/08—Cleaning arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B9/00—Combinations of apparatus for screening or sifting or for separating solids from solids using gas currents; General arrangement of plant, e.g. flow sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/04—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area from a small area, e.g. a tool
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- Manufacturing Of Cigar And Cigarette Tobacco (AREA)
Abstract
The invention discloses a tobacco stem winnowing system with a self-cleaning and dust removing function, which comprises a feeding hole, a winnowing box body and a tobacco stem discharging hole, wherein the feeding hole is formed in the side wall of the winnowing box body, the tobacco stem discharging hole is formed in the bottom of the winnowing box body and is positioned at the same side with the feeding hole, a negative pressure bin is arranged at the top of the winnowing box body, a dust removing mechanism and a solid sundry removing mechanism are arranged in the negative pressure bin, the dust removing mechanism is connected with a water curtain dust remover through a dust removing channel, and a sundry discharging box communicated with the negative. The tobacco stem dedusting device can ensure the tobacco stem dedusting effect, improve the purity of the tobacco stems, ensure the product quality and improve the production field environment.
Description
Technical Field
The invention relates to the technical field of equipment in the tobacco industry, in particular to a tobacco stem winnowing system with a self-cleaning and dust removing function.
Background
The cut stems are used as important components of the cut tobacco, which has important significance for saving cost and reducing tar and harm, so the purity of the tobacco stems used as the cut stem raw materials directly influences the quality of cigarettes. The tobacco stem raw materials used in the existing tobacco factories contain a lot of impurities, such as hemp fiber, hemp ropes, paper sheets, plastic sheets, labels, chicken feather and the like, if the impurities cannot be effectively removed, the cut tobacco stems are rolled into cigarettes, and the tobacco stems have large pungent smell and miscellaneous gas during smoking, so that the sensory quality is affected; meanwhile, the tobacco stalk raw material also contains a large amount of dust, and if the dust cannot be removed in the tobacco stalk pretreatment procedure, the tobacco stalk raw material not only has great influence on the field environment of the stalk line, but also has influence on the quality of the stalk shreds. At present, in the tobacco stem processing process, in-situ air separation is the first important process for removing sundries and dust in the tobacco stems, the process utilizes the suspension principle to remove sundries such as hemp, labels, paper sheets, plastic sheets, hair and the like on line, the dust is concentrated in a dust removal room or subjected to in-situ dust removal treatment, and clean tobacco stems fall from an air separation box body and enter the next process. However, the existing tobacco stem winnowing machine is easy to block a dust removal filter screen, so that the dust removal effect of the tobacco stem winnowing machine is poor, the purity of tobacco stems and the production quality of cut stems are seriously influenced, and meanwhile, the environment of a production field is large in dust, so that the health of workers at the same time is damaged.
Disclosure of Invention
The invention aims to provide a tobacco stem winnowing system with a self-cleaning and dust removing function, which is used for solving the technical problems in the prior art, and can ensure the tobacco stem dust removing effect, improve the purity of the tobacco stems and improve the production field environment.
The invention provides a tobacco stem winnowing system with a self-cleaning and dust removing function, which comprises a feeding hole, a winnowing box body and a tobacco stem discharging hole, wherein the feeding hole is formed in the side wall of the winnowing box body, the tobacco stem discharging hole is formed in the bottom of the winnowing box body and is positioned at the same side as the feeding hole, a negative pressure bin is arranged at the top of the winnowing box body, a dust removing mechanism and a solid sundry removing mechanism are arranged in the negative pressure bin, the dust removing mechanism is connected with a water curtain dust remover through a dust removing channel, and a sundry discharging box communicated with the negative pressure bin is arranged below the solid sundry removing mechanism.
In the tobacco stem winnowing system with the self-cleaning and dust removing functions, the top of the negative pressure bin is provided with an openable top cover.
Among the aforementioned offal air classification system with automatically cleaning dust removal function, the mechanism is got rid of to the dust is including changeing the net, change net actuating mechanism and separating the mechanism, change the net and be the cylindric structure that the outer wall equipartition has the mesh, change the net and rotationally install in the negative pressure storehouse, change the net one end pass through the bearing frame with the inner wall rotatable coupling in negative pressure storehouse, the other end with change net actuating mechanism and connect, it locates to separate the mechanism change in the net, it will to separate the mechanism change the inside space of net and separate for negative pressure district and positive pressure district, the one end of dust removal passageway is fixed on the negative pressure storehouse, and with negative pressure district intercommunication.
Among the aforementioned tobacco stem winnowing system with automatically cleaning dust removal function, change net actuating mechanism and include gear box and first driving motor, the gear box passes through four bolt fastening on the outer wall of negative pressure storehouse, first driving motor with the input shaft of gear box, hollow output shaft has in the gear box, the both ends of changing the net are formed with coaxial arrangement's first hollow shaft and second hollow shaft respectively, first hollow shaft with bearing frame rotatable coupling, the second hollow shaft with hollow output shaft pegs graft and pass through the key-type connection, just the second hollow shaft run through in the gear box, be formed with a plurality of fresh air inlets on the terminal surface at first hollow shaft place, the terminal surface at second hollow shaft place is the confining surface.
In the tobacco stem winnowing system with the self-cleaning and dust-removing functions, the separating mechanism is composed of two fan-shaped end plates and two rectangular plates, the fan-shaped end plates are respectively fixed at two ends of the two rectangular plates, and a space enclosed by the two fan-shaped end plates and the two rectangular plates is the positive pressure area.
The tobacco stem winnowing system with the self-cleaning and dust removing functions further comprises a positive pressure region air injection mechanism, the positive pressure region air injection mechanism comprises a first air injection pipe and a first nozzle, the first air injection pipe is connected with the first hollow shaft and the second hollow shaft in an inserted manner, one end, located outside the negative pressure bin, of the first air injection pipe is fixed through a support, and a first air valve is arranged at the end; two fan-shaped end plates all with the outer wall fixed connection of first jet-propelled pipe, first jet-propelled pipe is located two regional equipartition between the fan-shaped end plate has a plurality of first nozzle, first nozzle all faces solid-state debris removal mechanism arranges.
In the tobacco stem winnowing system with the self-cleaning and dust-removing functions, the solid impurity removing mechanism comprises a brush roll and a second driving motor, the brush roll is arranged in the positive pressure area close to the rotating net, and the second driving motor is connected with a rotating shaft of the brush roll.
In the aforesaid tobacco stem winnowing system with automatically cleaning dust removal function, still be equipped with clean air injection mechanism, clean air injection mechanism includes the jet-propelled pipe of second and second nozzle, the jet-propelled pipe of second with brush roll parallel arrangement, the one end of the jet-propelled pipe of second is equipped with the second pneumatic valve, the jet-propelled pipe equipartition of second has a plurality of the second nozzle, the second nozzle all moves towards the brush roll is arranged.
In the tobacco stem winnowing system with the self-cleaning and dust removing functions, the sundries discharging box is internally provided with the rotary air lock.
In the tobacco stem winnowing system with the self-cleaning and dust removing functions, an observation window is further arranged on the winnowing box body, a support frame is arranged at the lower end of the winnowing box body, and a sundry storage box is arranged at the lower end of the sundry discharging box.
Compared with the prior art, the tobacco stem winnowing machine comprises a feeding hole, a winnowing box body and a tobacco stem discharging hole, wherein the feeding hole is formed in the side wall of the winnowing box body, the tobacco stem discharging hole is formed in the bottom of the winnowing box body and is located on the same side with the feeding hole, a negative pressure bin is arranged at the top of the winnowing box body, a dust removing mechanism and a solid sundry removing mechanism are arranged in the negative pressure bin, the dust removing mechanism is connected with a water curtain dust remover through a dust removing channel, and a sundry discharging box communicated with the negative. The dust removing mechanism can separate dust and solid impurities from pure tobacco stems through air flow, the dust removing mechanism is used for sending the dust into the water curtain dust remover through the dust removing channel, the dust removing effect is achieved, the production field environment is improved, meanwhile, the solid impurities are removed through the solid impurities removing mechanism, the purity of the tobacco stems is guaranteed, and equipment blockage is prevented.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an isometric view of the negative pressure cartridge of the present invention;
FIG. 3 is a schematic view showing the internal structure of the dust removing mechanism of the present invention;
FIG. 4 is a schematic structural view of a rotary screen driving mechanism of the present invention;
FIG. 5 is an isometric view of a rotary screen of the present invention;
FIG. 6 is an isometric view of another angle of the rotary screen of the present invention;
FIG. 7 is a schematic view of the construction of the partition mechanism of the present invention;
fig. 8 is a schematic structural diagram of each device in the negative pressure cabin.
Description of reference numerals: 1-a feed inlet, 2-an air separation box body, 3-a tobacco stalk discharge port, 4-a negative pressure bin, 5-a dust removal channel, 6-a sundries discharge box, 7-a rotary air lock, 8-a top cover, 9-a rotary net, 10-a rotary net driving mechanism, 11-a separating mechanism, 12-a mesh, 13-a fan-shaped end plate, 14-a rectangular plate, 15-a first air injection pipe, 16-a first nozzle, 17-a gear box, 18-a first driving motor, 19-a bearing seat, 22-a first hollow shaft, 23-a second hollow shaft, 24-an air inlet hole, 25-a support, 26-a first air valve, 27-a brush roller, 28-a second driving motor, 29-a second air injection pipe, 30-a second nozzle and 31-a support frame, 32-a sundries collecting box and 33-a second air valve.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative only and should not be construed as limiting the invention.
The embodiment of the invention comprises the following steps: as shown in fig. 1-8, a tobacco stem winnowing system with self-cleaning and dust removing functions comprises a feeding port 1, a winnowing box body 2 and a tobacco stem discharging port 3, wherein the feeding port 1 is arranged on the side wall of the winnowing box body 2, the tobacco stem discharging port 3 is arranged at the bottom of the winnowing box body 2 and is positioned at the same side with the feeding port 1, in order to enable the tobacco stems to be smoothly discharged from the tobacco stem discharging port 3, a flow guide baffle plate is arranged in the winnowing box body 2, the top of the winnowing box body 2 is provided with an opening, a negative pressure bin 4 is arranged at the top of the winnowing box body 2, the bottom of the negative pressure bin 4 is provided with an opening, the opening at the bottom of the negative pressure bin 4 is communicated with the opening at the top of the winnowing box body 2, the tobacco stems entering a belt conveyor through the tobacco stem discharging port 3 fall onto the belt, be equipped with dust in the negative pressure storehouse 4 and get rid of the mechanism and solid-state debris and get rid of the mechanism, carry out dust and solid separation with debris, avoided blocking phenomenon, the dust gets rid of the mechanism and is connected with the water curtain dust remover through dust removal channel 5, has directly carried out the dust fall and has handled, has improved the production site environment, has effectively protected staff's healthy, and the below that solid-state debris got rid of the mechanism is equipped with the debris ejection of compact case 6 with negative pressure storehouse 4 intercommunication. The top of the negative pressure bin 4 is provided with an openable top cover 8. The negative pressure cabin 4 is more convenient to overhaul through the top cover 8.
Specifically, the dust removing mechanism comprises a rotating net 9, a rotating net driving mechanism 10 and a separating mechanism 11, wherein the rotating net 9 is of a cylindrical structure, the outer wall of the rotating net 9 is uniformly provided with meshes 12, the rotating net 9 is rotatably installed in a negative pressure bin 4, one end of the rotating net 9 is rotatably connected with the inner wall of the negative pressure bin 4 through a bearing seat 19, the other end of the rotating net is connected with the rotating net driving mechanism 10, under the action of negative pressure, dust penetrates through the meshes 12 to enter the rotating net 9, solid impurities are adsorbed on the surface of the rotating net 9 and move along with the rotation of the rotating net 9, the dust and the impurities are separated through the rotating net 9, the separating mechanism 11 is arranged in the rotating net 9, the separating mechanism 11 separates the inner space of the rotating net 9 into a negative pressure area and a positive pressure area, the impurities adsorbed on the surface of the rotating net 9 can be separated from the rotating net 9 in the positive pressure.
Specifically, the net-rotating driving mechanism 10 comprises a gear box 17 and a first driving motor 18, the gear box 17 is fixed on the outer wall of the negative pressure bin 4 through four bolts, the first driving motor 18 is connected with an input shaft of the gear box 17, a hollow output shaft is arranged in the gear box 17, a first hollow shaft 22 and a second hollow shaft 23 which are coaxially arranged are respectively formed at two ends of the net 9, the first hollow shaft 22 is rotatably connected with a bearing seat 19, the second hollow shaft 23 is inserted into the hollow output shaft and connected with the hollow output shaft through a key, the second hollow shaft 23 penetrates through the gear box 17, a plurality of air inlet holes 24 are formed in the end face where the first hollow shaft 22 is located, and the end face where the second hollow shaft 23 is located is a. The air inlet holes 24 are used for communicating the dust removal channel 5 with the interior of the rotary screen 9, so that dust can smoothly enter the dust removal channel 5. The gearbox 17 is prior art and is available directly from commercial sources.
Further, the partition mechanism 11 is composed of two fan-shaped end plates 13 and two rectangular plates 14, the fan-shaped end plates 13 are respectively fixed at two ends of the two rectangular plates 14, and a space enclosed by the two fan-shaped end plates 13 and the two rectangular plates 14 is a positive pressure area. Because the fan-shaped end plate 13 and the rectangular plate 14 shield the dust removing channel 5 from pumping air in the positive pressure area, so that negative pressure cannot be generated in the area. The purpose of the area design is to enable solid sundries to automatically separate from the rotating net 9 and fall into the sundries discharging box 6 when the solid sundries rotate to the positive pressure area. The sector end plate 13 is a quarter circle in this embodiment.
In order to prevent solid impurities from being unable to smoothly separate from the rotating net 9, the present embodiment preferably further includes a positive pressure region air injection mechanism, the positive pressure region air injection mechanism includes a first air injection pipe 15 and a first nozzle 16, the first air injection pipe 15 is connected with a first hollow shaft 22 and a second hollow shaft 23 in an inserting manner, one end of the first air injection pipe 15 located outside the negative pressure chamber 4 is fixed by a bracket 25, and the end is provided with a first air valve 26, and the first air valve 26 is used for controlling the working state of the positive pressure region air injection mechanism; two fan-shaped end plates 13 all with the outer wall fixed connection of first jet-propelled pipe 15, the regional equipartition that first jet-propelled pipe 15 is located between two fan-shaped end plates 13 has a plurality of first nozzle 16, and first nozzle 16 all arranges towards solid-state debris removal mechanism. The transfer wire 9 is transferred to the positive pressure zone without any further suction by supplying the required positive pressure to the interior through the first nozzles 16. When the first nozzle 16 sprays air, on one hand, the positive pressure state of positive pressure can be ensured, and on the other hand, the effect of flushing solid impurities can be achieved, so that the solid impurities can be smoothly separated from the rotating net 9.
In actual work, most solid sundries can be separated from the rotating net 9 when rotating to a positive pressure area along with the rotating net 9, but the sundries which are easy to adhere to the surface of an object such as hairs are difficult to separate from the rotating net 9, and the rotating net 9 can still be blocked when the sundries are accumulated to a certain degree. The brush roller 27 cleans the surface of the rotating net 9 transferred to the positive pressure area, and the sundries are completely separated.
After long-time work, the brush roller 27 can be filled with sundries such as hair, a cleaning air injection mechanism is further arranged to prolong the service life of the brush roller, the cleaning air injection mechanism comprises a second air injection pipe 29 and a second nozzle 30, the second air injection pipe 29 and the brush roller 27 are arranged in parallel, a second air valve 33 is arranged at one end of the second air injection pipe 29, a plurality of second nozzles 30 are uniformly distributed on the second air injection pipe 29, and the second nozzles 30 are all arranged towards the brush roller 27. The second nozzle 30 sweeps the brush roller 27, so that sundries are separated from the brush roller 27 in an accelerated manner, and the surface cleaning effect of the rotary screen 9 is guaranteed.
In this embodiment, a rotary airlock 7 is provided in the sundries discharging box 6. The sundries are dropped off at regular time, and the air tightness of the negative pressure bin 4 is ensured. The winnowing box body 2 is also provided with an observation window, so that the condition in the winnowing box can be checked at any time. The lower end of the winnowing box body 2 is provided with a support frame 31, the lower end of the sundries discharging box 6 is provided with a sundries collecting box 32, and fallen sundries are collected and centralized.
The working principle of the invention is as follows: when the tobacco stem winnowing system starts to work, tobacco stem materials are conveyed into the winnowing box body 2 through the material feeding hole 1 by the vibrating conveying belt. In the winnowing box body 2, the tobacco stems and the sundries are separated by utilizing the different suspension speeds of the tobacco stems and the sundries, and the tobacco stems fall onto a belt conveyor from a tobacco stem discharge port 3 and enter the next procedure. The impurities such as hemp and wool with the suspension speed less than the air flow speed rise along with the air flow and enter the negative pressure cabin 4. The first driving motor 18 drives the rotating net 9 to rotate between the bearing seat 19 and the rotating net driving mechanism 10 through the gear box 17, meanwhile, the air inlet holes 24 continuously provide negative pressure, the rotating net 9 rotates to absorb sundries entering the negative pressure bin 4, dust passes through the meshes 12 on the rotating net 9 in the absorption process to enter the rotating net 9, and then passes through the air inlet holes 24 to enter the dust removal channel 5 along with the suction force, and the dust is treated by the water curtain dust remover. The impurities are adsorbed on the surface of the rotating net 9, a part of the rotating net 9 is a positive pressure area of a separation mechanism wall city, the gas passing through the first gas valve 26 flows through the first gas injection pipe 15 and is injected from the first nozzle 16, a required positive pressure is provided for the positive pressure area, and as the rotary screen 9 rotates, the part of the rotary screen 9 which is rotated to the positive pressure area has no adsorption effect any more, and sweeps foreign matters outwards, meanwhile, the second driving motor 28 drives the brush roll 27 to rotate to clean the surface of the rotating net 9 in the positive pressure area, so that the falling of sundries is accelerated, in order to prevent debris from clogging the brush roller 27, air flows through the second air jet 29 via the second air valve 33, and the brush roller 27 is air-brushed from the second nozzle 30 to separate the sundries, the fallen sundries are accumulated at the lower rotary airlock 7, the air lock 7 is rotated to be opened at regular time under the action of the motor, and sundries fall into the sundry collecting box 32 below through the sundry discharging box 6. In operation, can observe at any time the winnowing box 2 is inside through the observation window, if need maintain, stop the system, open top cap 8 alright carry out inside maintenance and maintenance.
The construction, features and functions of the present invention are described in detail in the embodiments illustrated in the drawings, which are only preferred embodiments of the present invention, but the present invention is not limited by the drawings, and all equivalent embodiments modified or changed according to the idea of the present invention should fall within the protection scope of the present invention without departing from the spirit of the present invention covered by the description and the drawings.
Claims (10)
1. The utility model provides a offal air classification system with automatically cleaning dust removal function, includes feed inlet (1), selection by winnowing box (2) and offal discharge gate (3), its characterized in that: the utility model discloses a pneumatic winnowing machine, including air separation box body (2), feed inlet (1), offal discharge gate (3) are located on the lateral wall of air separation box body (2), the bottom of air separation box body (2), and with feed inlet (1) is located the homonymy, the top of air separation box body (2) is equipped with negative pressure storehouse (4), be equipped with the dust in negative pressure storehouse (4) and get rid of the mechanism with solid-state debris, the dust is got rid of the mechanism and is connected with the water curtain dust remover through dust removal channel (5), solid-state debris get rid of the below of the mechanism be equipped with debris ejection of compact case (6.
2. The tobacco stem winnowing system with the self-cleaning and dust removing functions as claimed in claim 1, wherein: the top of the negative pressure bin (4) is provided with an openable top cover (8).
3. The tobacco stem winnowing system with the self-cleaning and dust removing functions as claimed in claim 1, wherein: dust removal mechanism is including changeing net (9), change net actuating mechanism (10) and separating mechanism (11), change net (9) and have the cylindric structure of mesh (12) for the outer wall equipartition, change net (9) and rotationally install in negative pressure storehouse (4), change the one end of net (9) pass through bearing frame (19) with the inner wall rotatable coupling in negative pressure storehouse (4), the other end with change net actuating mechanism (10) and connect, separate mechanism (11) and locate change in net (9), separate mechanism (11) will change the inner space of net (9) and separate for negative pressure district and positive pressure district, the one end of dust removal passageway (5) is fixed on negative pressure storehouse (4), and with negative pressure district intercommunication.
4. The tobacco stem winnowing system with the self-cleaning and dust removing functions as claimed in claim 3, wherein: the rotating net driving mechanism (10) comprises a gear box (17) and a first driving motor (18), the gear box (17) is fixed on the outer wall of the negative pressure bin (4) through four bolts, the first driving motor (18) is connected with an input shaft of the gear box (17), a hollow output shaft is arranged in the gear box (17), a first hollow shaft (22) and a second hollow shaft (23) which are coaxially arranged are respectively formed at two ends of the rotating net (9), the first hollow shaft (22) is rotatably connected to the bearing block (19), the second hollow shaft (23) is inserted with the hollow output shaft and is connected with the hollow output shaft through a key, the second hollow shaft (23) penetrates through the gear box (17), a plurality of air inlet holes (24) are formed in the end face where the first hollow shaft (22) is located, and the end face where the second hollow shaft (23) is located is a closed face.
5. The tobacco stem winnowing system with the self-cleaning and dust removing functions as claimed in claim 4, wherein: the partition mechanism (11) is composed of two fan-shaped end plates (13) and two rectangular plates (14), the fan-shaped end plates (13) are fixed at two ends of the two rectangular plates (14) respectively, and a space enclosed by the two fan-shaped end plates (13) and the two rectangular plates (14) is the positive pressure area.
6. The tobacco stem winnowing system with the self-cleaning and dust removing functions as claimed in claim 5, wherein: the positive pressure area air injection mechanism comprises a first air injection pipe (15) and a first nozzle (16), the first air injection pipe (15) is connected with the first hollow shaft (22) and the second hollow shaft (23) in an inserting mode, one end, located outside the negative pressure bin (4), of the first air injection pipe (15) is fixed through a support (25), and a first air valve (26) is arranged at the end; two fan-shaped end plate (13) all with the outer wall fixed connection of first jet-propelled pipe (15), first jet-propelled pipe (15) are located two regional equipartition between fan-shaped end plate (13) has a plurality of first nozzle (16), first nozzle (16) all face towards solid-state debris removal mechanism arranges.
7. The tobacco stem winnowing system with the self-cleaning and dust removing functions as claimed in claim 3, wherein: the solid sundries removing mechanism comprises a brush roller (27) and a second driving motor (28), the brush roller (27) is arranged in the positive pressure area close to the rotating net (9), and the second driving motor (28) is connected with a rotating shaft of the brush roller (27).
8. The tobacco stem winnowing system with the self-cleaning and dust removing functions as claimed in claim 7, wherein: still be equipped with clean jet-propelled mechanism, clean jet-propelled mechanism includes second jet-propelled pipe (29) and second nozzle (30), second jet-propelled pipe (29) with brush roll (27) parallel arrangement, the one end of second jet-propelled pipe (29) is equipped with second pneumatic valve (33), the equipartition has a plurality of on second jet-propelled pipe (29) second nozzle (30), second nozzle (30) all face brush roll (27) are arranged.
9. The tobacco stem winnowing system with the self-cleaning and dust removing functions as claimed in claim 8, wherein: and a rotary air lock (7) is arranged in the sundries discharging box (6).
10. The tobacco stem winnowing system with the self-cleaning and dust removing functions as claimed in claim 1, wherein: still be equipped with the observation window on the selection by winnowing box (2), selection by winnowing box (2) lower extreme is equipped with support frame (31), debris go out the workbin (6) lower extreme and is equipped with debris collecting box (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110450202.6A CN113019912A (en) | 2021-04-25 | 2021-04-25 | Tobacco stem winnowing system with self-cleaning and dust removing functions |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110450202.6A CN113019912A (en) | 2021-04-25 | 2021-04-25 | Tobacco stem winnowing system with self-cleaning and dust removing functions |
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| CN113019912A true CN113019912A (en) | 2021-06-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110450202.6A Pending CN113019912A (en) | 2021-04-25 | 2021-04-25 | Tobacco stem winnowing system with self-cleaning and dust removing functions |
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| Country | Link |
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| CN (1) | CN113019912A (en) |
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Application publication date: 20210625 |