CN113397199B - Raw smoke posture adjusting equipment - Google Patents
Raw smoke posture adjusting equipment Download PDFInfo
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- CN113397199B CN113397199B CN202010186097.5A CN202010186097A CN113397199B CN 113397199 B CN113397199 B CN 113397199B CN 202010186097 A CN202010186097 A CN 202010186097A CN 113397199 B CN113397199 B CN 113397199B
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- 239000000779 smoke Substances 0.000 title claims abstract description 70
- 241000208125 Nicotiana Species 0.000 claims abstract description 63
- 235000002637 Nicotiana tabacum Nutrition 0.000 claims abstract description 63
- 238000000926 separation method Methods 0.000 claims abstract description 50
- 238000009423 ventilation Methods 0.000 claims description 36
- 230000007246 mechanism Effects 0.000 claims description 25
- 235000019504 cigarettes Nutrition 0.000 claims description 19
- 238000007599 discharging Methods 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 11
- 230000007704 transition Effects 0.000 claims description 8
- 238000003825 pressing Methods 0.000 claims description 6
- 230000007423 decrease Effects 0.000 claims description 2
- 230000036544 posture Effects 0.000 abstract description 70
- 230000004323 axial length Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000007667 floating Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000013473 artificial intelligence Methods 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000013135 deep learning Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
- A24B3/00—Preparing tobacco in the factory
- A24B3/16—Classifying or aligning leaves
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Abstract
The invention relates to a raw smoke posture adjusting device which comprises an air separation device, a wind separation device and a wind separation device, wherein the air separation device is used for carrying out wind separation and preliminary posture adjustment on raw smoke; and the posture adjusting device is communicated with the air separation device and is used for adjusting tobacco leaves into uniform postures. According to the invention, through the cooperation of the wind dividing device and the posture adjusting device, the raw tobacco is adjusted into single-piece tobacco leaves with unified postures with the front blade tip and the rear blade tip, and the intelligent classification of the raw tobacco is ensured.
Description
Technical Field
The invention relates to the technical field of tobacco leaf sorting and grading, in particular to a raw tobacco posture adjusting device.
Background
At present, most tobacco leaves subjected to threshing and redrying are classified in international or domestic modes by manual selection. Namely, the tobacco packages are placed at the appointed positions, tobacco leaves subjected to tobacco or tobacco leaf loosening are classified according to the requirements by means of manpower, and the classified tobacco leaves are placed at the appointed positions for sorting. The raw tobacco classification and bin separation mode mainly has the following problems: 1. the floor area is large, a large amount of labor is needed, the production efficiency is low, and the production cost is high; 2. the production environment is bad, the labor intensity of operators is high, and a large amount of dust can be inhaled by the operators in the working process, so that the health of the operators is influenced; 3. the quality of the finished tobacco leaves is greatly affected by artificial factors, and the quality deviation of the graded tobacco leaves is larger.
To solve the above problems, various companies in China are trying to classify tobacco leaves by using a fully automatic machine based on technologies such as visual recognition and artificial intelligence. The existing visual recognition technology, artificial intelligent deep learning algorithm and other technologies are mature day by day, and can meet the tobacco grading requirement, but only when the tobacco is in a state of being flat and monolithic, the technology can be used for grading the tobacco.
The present invention has been made in view of this.
Disclosure of Invention
The invention aims to solve the technical problems of overcoming the defects of the prior art and providing the raw tobacco posture adjusting equipment, which is characterized in that the raw tobacco is adjusted into single-piece tobacco leaves with uniform postures in a suspended flying state in the air conveying pipeline by arranging the air dividing bin and the air conveying pipeline, so that the intelligent classification of the raw tobacco is ensured, the assistance of other mechanical structures is not needed, the efficiency is high and the cost is low.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
an original smoke posture adjusting device comprises
The wind separation device is used for carrying out wind separation and preliminary posture adjustment on the raw smoke;
and the posture adjusting device is communicated with the air separation device and is used for adjusting tobacco leaves into uniform postures.
In the scheme, through the cooperation of the wind dividing device and the posture adjusting device, the raw tobacco is adjusted into single-piece tobacco leaves with unified postures with the leaf bases at the front and the back, and the intelligent classification of the raw tobacco is guaranteed.
Further, the wind separation device comprises a wind separation bin, wherein the wind separation bin is sequentially provided with a lower bin and an upper bin from bottom to top, the lower bin is used for carrying out winnowing on the raw tobacco, and the upper bin is communicated with the posture adjustment device and is used for carrying out primary posture adjustment on the raw tobacco;
preferably, the inner diameter of the upper bin gradually decreases from bottom to top.
Further, the posture adjusting device comprises a first air conveying pipeline and a second air conveying pipeline which are communicated with each other and used for conveying air for suspending raw smoke to fly in the air, and the first air conveying pipeline is communicated with the upper bin;
Preferably, the first air conveying pipeline comprises a first turning section, a horizontal section and a second turning section which are sequentially communicated, the first turning section is an arc section, the lower end of the first turning section is communicated with the upper bin, the upper end of the first turning section is communicated with the horizontal section, smooth transition connection is formed between the upper bin and the horizontal section, the second turning section is an arc section, the upper end of the second turning section is communicated with the horizontal section, the lower end of the second turning section is communicated with the second air conveying pipeline, and smooth transition connection is formed between the horizontal section and the second air conveying pipeline;
preferably, the second air conveying pipeline is downwards inclined from the second turning section and is communicated with a blanking device for collecting raw cigarettes, and the pipe diameter of the second air conveying pipeline is gradually increased along the conveying direction.
In the scheme, the raw smoke is automatically adjusted to be in a unified posture in the air conveying pipeline in a suspended flight state, and the system is free from the assistance of other mechanical structures, high in efficiency and low in cost.
Further, the device also comprises a blanking device which is communicated with the posture adjusting device and used for collecting the raw smoke which is adjusted to be in a unified posture by the posture adjusting device and conveying the raw smoke to the next working procedure.
Further, the blanking device comprises
The blanking bin is communicated with the posture adjusting device and used for collecting raw smoke;
The first air suction mechanism is communicated with the blanking bin and is used for sucking air in the blanking bin to form a negative pressure area;
the conveying mechanism is positioned below the blanking bin and is used for conveying the raw smoke collected by the blanking bin to the next working procedure in a unified posture;
Preferably, a third opening is formed in one side surface of the blanking bin, and the blanking bin is communicated with the posture adjusting device through the third opening.
Further, a first opening is formed in one side surface of the blanking bin, the first air suction mechanism comprises a first fan, and the first fan is communicated with the blanking bin through the first opening;
Preferably, the first opening is arranged at the upper part of one side surface of the blanking bin;
Preferably, the side surface where the first opening is located is adjacent to the side surface where the third opening is located.
Further, the conveying mechanism comprises a ventilation belt conveyor for conveying the raw smoke falling onto the conveying mechanism out of the blanking bin, and through holes are uniformly formed in a belt of the ventilation belt conveyor;
Preferably, a chamber is arranged below the belt of the ventilation belt conveyor, and the blanking device further comprises a second air suction mechanism which is communicated with the chamber to suck air in the chamber to form a negative pressure area;
preferably, a second opening is formed in one side surface of the cavity, and the second air suction mechanism comprises a second fan which is communicated with the cavity through the second opening;
Preferably, a plurality of guide plates with different lengths are arranged below the belt of the ventilation belt conveyor, the length direction of each guide plate is perpendicular to the conveying direction of the ventilation belt conveyor, the short guide plates are positioned above the long guide plates, the distance between the guide plates is equal, and one end of each guide plate is connected with the second opening.
Further, the blanking device further comprises a discharging brush roller for preventing a large amount of air from entering the blanking bin, the discharging brush roller is connected with the lower edge of the side surface opposite to the side surface where the third opening is positioned, and the discharging brush roller is in clearance with the belt surface of the ventilation belt conveyor;
preferably, a carrier plate for supporting the belt is arranged below the ventilation belt, and the carrier plate is positioned right below the discharging brush roller.
Further, the blanking bin is provided with a first guide plate for guiding raw smoke to the ventilation belt conveyor, one end of the first guide plate is close to the lower edge of the third opening, and the other end of the first guide plate is in clearance with the belt surface of the ventilation belt conveyor;
Preferably, one end of the first guide plate is connected with the lower edge of the third opening;
Preferably, the first deflector is an arc-shaped plate.
Further, the device also comprises a conveying device for conveying the raw cigarettes to the air separation device, the air separation device is provided with a feed inlet, and the conveying device conveys the raw cigarettes to the air separation device through the feed inlet;
preferably, a wind pressing plate for accelerating the raw smoke into the air separation device is arranged above the conveying end of the conveying device;
preferably, one end of the air pressing plate extends from the feeding hole towards the conveying direction of the conveying device;
preferably, the conveying start end of the conveying device is lower than the conveying end.
After the technical scheme of the invention is adopted, the following beneficial effects are brought:
according to the raw tobacco posture adjusting device provided by the invention, through the cooperation of the air dividing device and the posture adjusting device, the raw tobacco is adjusted into single-piece tobacco leaves with unified postures with the front blade tip and the rear blade tip, and the guarantee is provided for intelligent classification of the raw tobacco.
The raw smoke posture adjusting device provided by the invention automatically adjusts the raw smoke to be in a unified posture in a suspended flight state in the air conveying pipeline, and is free from the assistance of other mechanical structures, high in efficiency and low in cost.
Drawings
Fig. 1: the embodiment of the invention provides a structure schematic diagram of a raw smoke posture adjusting device.
Fig. 2 and 3: the embodiment of the invention provides a schematic diagram of different view angles of a blanking device of a raw smoke posture adjusting device.
Reference numerals: 11. air separation device 111, air separation bin 1111, upper bin 1112, lower bin 112, bracket 12, posture adjustment device 121, first air delivery pipe 1211, first turning section 1212, horizontal section 1213, second turning section 122, second air delivery pipe 13, blanking device 131, blanking bin 1311, first deflector 132, first air suction mechanism 1321, first fan 1322, first opening 133, conveying mechanism 1331, ventilation belt 1332, chamber 134, second air suction mechanism 1341, second fan 1342, second opening 135, discharge brush roll 14, conveying device 141, air pressure plate 142, and conveying belt
It should be noted that these drawings and the written description are not intended to limit the scope of the inventive concept in any way, but to illustrate the inventive concept to those skilled in the art by referring to the specific embodiments.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions in the embodiments will be clearly and completely described with reference to the accompanying drawings in the embodiments of the present invention, and the following embodiments are used to illustrate the present invention, but are not intended to limit the scope of the present invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
As shown in fig. 1, the raw tobacco posture adjustment device comprises a wind separation device 11 for carrying out wind separation and preliminary posture adjustment on raw tobacco and a posture adjustment device 12 for adjusting tobacco leaves into a unified posture, wherein the wind separation device 11 is communicated with the posture adjustment device 12.
In the embodiment of the invention, the wind in the wind separation device 11 moves from bottom to top to generate buoyancy, and after the raw tobacco enters the wind separation device 11, under the dual actions of gravity and buoyancy, heavier tobacco stems and sundries are converged at the lower end of the wind separation device 11 and flow out of the wind separation device 11, and lighter raw tobacco floats upwards, so that the wind separation of the raw tobacco is realized; the axial length of the wind separation device 11 is longer, most of raw cigarettes initially form a unified posture of the front blade tip of the leaf base in a single-leaf tobacco mode in the floating process, and then enter the posture adjustment device 12 communicated with the wind separation device 11, and the raw cigarettes are further adjusted into the unified posture of the front blade tip of the leaf base in the posture adjustment device 12. Through the cooperation of the wind separation device 11 and the posture adjustment device 12, the raw tobacco is adjusted into single-piece tobacco leaves with unified postures with the front blade tips and the rear blade bases, and the intelligent classification of the raw tobacco is guaranteed.
Specifically, as shown in fig. 1, the wind separation device 11 of the present invention includes a wind separation bin 111 and a support 112 for supporting the wind separation bin 111, wherein the wind separation bin 111 is provided with a lower bin 1112 and an upper bin 1111 from bottom to top in sequence, the lower bin 1112 is used for winnowing raw tobacco, the upper bin 1111 is communicated with the posture adjustment device 12 and is used for performing initial posture adjustment on the raw tobacco, and the inner diameter of the upper bin 1111 is gradually reduced from bottom to top. Raw tobacco enters the air separation bin 111 from the side surface of the lower end of the lower bin 1112, heavier tobacco stems and sundries fall to the bottom surface of the lower bin 1112 and flow out of the lower bin 1112, and fall into a drawer arranged below the bracket 112 for collecting impurities. The lower bin 1112 is mainly used for winnowing raw smoke, the inner diameter of the lower bin 1112 is unchanged, the cross section of the lower bin 1112 can be square or circular, the upper bin 1111 is matched with the lower bin 1112, i.e. the cross section of the upper bin 1111 is also square or circular, and the preferable scheme is circular. The wind sub-bin 111 with the circular cross section can make full use of space and is beneficial to forming uniform wind fields. The inner diameter of the upper bin 1111 gradually becomes smaller along the wind conveying direction, namely from bottom to top, the cross section of the upper bin 1111 gradually becomes smaller, the wind speed becomes larger and larger, the speed of the primary smoke floating up becomes faster and faster, and the wind speed at the outlet of the upper end of the upper bin 1111 is more than 20m/s. The axial length of the lower chamber 1112 is about 1 to 1.5 times, preferably 1.3 times, the axial length of the upper chamber 1111. According to the aerodynamic principle, the larger the windward area is, the larger the air resistance is, and when an object moves in an air field, the larger the resistance is, the later the resistance is, and the earlier the resistance is, so that most of raw cigarettes initially form a posture that a leaf base is in front and a leaf tip is in back in an upper bin 1111.
The raw tobacco enters the posture adjustment device 12 from the upper bin 1111 to further adjust the posture, and in the embodiment of the present invention, the posture adjustment device 12 is a pneumatic pipeline for conveying air, and the raw tobacco is in a suspended flight state in the pneumatic pipeline to perform posture adjustment. The air conveying pipeline comprises a first air conveying pipeline 121 and a second air conveying pipeline 122 which are mutually communicated, the first air conveying pipeline 121 is communicated with an upper bin 1111, the second air conveying pipeline 122 is communicated with a blanking device 13 for collecting raw smoke, the first air conveying pipeline 121 comprises a first turning section 1211, a horizontal section 1212 and a second turning section 1213 which are sequentially communicated, the first turning section 1211 is an arc-shaped section, the lower end is communicated with the upper bin 1111, the upper end is communicated with the horizontal section 1212, a smooth transition connection is formed between the upper bin 1111 and the horizontal section 1212, the horizontal section 1212 is perpendicular to the axis of the upper bin 1111, the second turning section 1213 is an arc-shaped section, the upper end is communicated with the horizontal section 1212, the lower end is communicated with the second air conveying pipeline 122, and a smooth transition connection is formed between the horizontal section 1212 and the second air conveying pipeline 122. The second air conveying pipeline 122 is downwards inclined from the second turning section 1213 and is communicated with the blanking device 13 for collecting raw smoke, the pipe diameter of the second air conveying pipeline 122 is gradually increased along the conveying direction, and the included angle between the second air conveying pipeline 122 and the ground is 60-70 degrees, preferably 67 degrees. The first turning section 1211 and the second turning section 1213 are arc-shaped pipes, the turning radius is greater than or equal to 1 meter, the projections of the first turning section 1211 and the second turning section 1213 on the horizontal plane are about 1 meter long, the projections of the horizontal section 1212 on the horizontal plane are about 4 meters long, and the inner diameters of the first turning section 1211, the horizontal section 1212 and the second turning section 1213 are equal, preferably the inner diameters are equal to the inner diameters of the ports on the upper bin 1111.
The wind separating bin 111 in the wind separating device 11 consists of a lower bin 1112 with a constant inner diameter and an upper bin 1111 with an inner diameter gradually decreasing from bottom to top, so that tobacco stems and impurities can be removed conveniently, the floating speed of tobacco leaves can be increased gradually, most of tobacco leaves can be adjusted in the upper bin 1111 preliminarily, the preparation is made for the rear part of the tobacco leaves to enter a wind conveying pipeline to be adjusted into a uniform posture, and the situation that all raw tobacco pieces possibly collide and break due to the centralized adjustment of the posture in the wind conveying pipeline is avoided; the axial length of the lower bin 1112 is about 1 to 1.5 times that of the upper bin 1111, i.e. the axial length of the upper bin 1111 is relatively long, so that most of the raw tobacco can be ensured to perform initial posture adjustment therein. In addition, the upper bin 1111 is gradually narrowed to be better matched with the air conveying pipeline, so that sudden increase of wind speed caused by abrupt change of the communication part of the air separating bin 111 and the air conveying pipeline is avoided, and raw cigarettes are seriously crushed or blocked together.
The raw smoke is automatically adjusted to be in a unified posture in the air conveying pipeline, the auxiliary operation of other mechanical structures is not needed, the efficiency is high, and the cost is low. The air conveying pipeline consists of a first air conveying pipeline 121 and a second air conveying pipeline 122, raw smoke is fully regulated in the first air conveying pipeline 121 and enters the second air conveying pipeline 122 in a unified posture, the inner diameter of the second air conveying pipeline 122 is gradually increased, the flying speed of the raw smoke can be gradually reduced to about 10m/s, and preparation is made for the raw smoke to enter the next working procedure or the collection of the raw smoke; the first air conveying pipeline 121 comprises a first turning section 1211, a horizontal section 1212 and a second turning section 1213 which are sequentially communicated, the horizontal section 1212 provides sufficient distance for adjusting the raw smoke into a unified posture, the first turning section 1211 and the second turning section 1213 provide buffer space for changing the flying direction of the raw smoke, the first turning section 1211 forms smooth transition connection between the upper bin 1111 and the horizontal section 1212, the second turning section 1213 forms smooth transition connection between the horizontal section 1212 and the second air conveying pipeline 122, the turning radius of the first turning section 1211 and the second turning section 1213 is larger than 1m, and the wind speed in the first air conveying pipeline 121 is larger than 20m/s, so that the raw smoke can be ensured to smoothly pass through the first turning section 1211 and the second turning section 1213 without blocking.
In the embodiment of the invention, the raw smoke posture adjustment device further comprises a blanking device 13, the blanking device 13 is communicated with the posture adjustment device 12, and the blanking device 13 is used for collecting the raw smoke regulated into a uniform posture by the posture adjustment device 12 and conveying the raw smoke to the next working procedure.
The raw cigarettes come out of the posture adjustment device 12 in a unified posture and enter the blanking device 13, and the blanking device 13 sequentially collects the raw cigarettes which fall into the raw cigarettes and are adjusted to be in the unified posture by the posture adjustment device and conveys the raw cigarettes to the next procedure for classification in the unified posture that the leaf base is behind the front leaf tip.
The blanking device 13 comprises a blanking bin 131, a first air suction mechanism 132 and a conveying mechanism 133, wherein the first air suction mechanism 132 is communicated with the blanking bin 131, sucks air in the blanking bin 131, and the conveying mechanism 133 is positioned below the blanking bin 131 and is used for conveying raw smoke collected by the blanking bin 13 to the next process in a unified posture; a third opening is formed in one side surface of the blanking bin 131, and the blanking bin 131 is communicated with the posture adjusting device 12 through the third opening.
Specifically, the blanking device 13 is located at the front of the air-feed line in the conveying direction, communicates with the second air-feed line 122, collects the raw cigarettes coming out of the second air-feed line 122, and conveys them to the next process in a fixed posture. The blanking bin 131 of the blanking device 13 is provided with an opening matched with the port of the second air conveying pipeline 122 on the side face opposite to the second air conveying pipeline 122, the opening is a third opening, the third opening is arranged at the middle lower end of the side face of the blanking bin 131, the second air conveying pipeline 122 is communicated with the blanking bin 131 through the third opening, and raw smoke enters the blanking bin 131 from the third opening in a unified mode that the front blade tip of the raw smoke is behind the front blade tip of the raw smoke. If the negative pressure is in the blanking bin 131, the raw smoke can enter the blanking bin 131 more smoothly, and in order to form the negative pressure in the blanking bin 131, the blanking device 13 is provided with a first air suction mechanism 132 for sucking air in the blanking bin 131 to form a negative pressure zone (see fig. 2): an opening is formed in a side face adjacent to the side face where the third opening is formed, the opening is a first opening 1322, the first air suction mechanism 132 comprises a first fan 1321, one end of a connecting pipe is connected with the first fan 1321 through the first opening 1322, the other end of the connecting pipe is connected with the blanking bin 131, and therefore the first fan 1321 is communicated with the blanking bin 131. The first opening 1322 is preferably provided in the upper portion of the side of the blanking chamber 131 to prevent raw smoke from being directly sucked into the first fan 1321. The first fan 1321 is a variable frequency fan, and the wind speed is adjusted according to actual needs, so that the ascending airflow in the blanking bin 131 is lower than 1.8m/s, and the light broken tobacco flakes can be prevented from floating up into the first fan 1321.
Alternatively, the first opening 1322 may be provided in an upper portion of the other side surface, including an upper portion of the side surface where the third opening is located.
The conveying mechanism 133 comprises a ventilation belt conveyor 1331 for conveying the raw smoke falling onto the conveying mechanism out of the blanking bin 131, the belt of the ventilation belt conveyor 1331 is provided with through holes which are uniformly distributed on the surface of the whole belt, the diameter of each through hole is about 6mm, and the distance between the two through holes is about 40 mm. If there is a slight negative pressure on the belt surface of the ventilation belt conveyor 1331, the raw smoke can be lightly adhered to the belt surface, and the raw smoke is more smoothly conveyed out of the blanking bin 131, in order to form a negative pressure on the belt surface of the ventilation belt conveyor 1331, the blanking device 13 is further provided with a second air suction mechanism 134 (see fig. 2), the second air suction mechanism 134 comprises a second fan 1341, a chamber 1332 is arranged below the belt of the ventilation belt conveyor 1331, one side surface of the chamber 1332 is provided with a second opening 1342, and the second fan 1341 is communicated with the chamber 1332 through the second opening 1342 to suck air in the chamber 1332, so that a slight negative pressure exists on the belt surface of the ventilation belt conveyor 1331. The extent of the chamber 1332 may be such that the entire area under the belt of the ventilated belt conveyor 1331 is the chamber 1332, or just under the belt directly under the drop bin 131 is the chamber 1332, the latter being preferred. The second fan 1341 is a variable frequency fan, and the wind speed is adjusted according to actual needs, so that slight negative pressure is formed on the belt surface of the ventilation belt conveyor 1331.
In order to make the wind speed of the belt surface of the ventilation belt conveyor 1331 consistent, a plurality of guide plates with different lengths are arranged below the belt, the length direction of each guide plate is perpendicular to the conveying direction of the ventilation belt conveyor 1331, the short guide plates are positioned above the long guide plates, the distance between the guide plates is equal, one end of each guide plate is connected with the second opening 1342, the outlet of the second fan 1341 is equally divided into a plurality of parts, the guide plates are matched with each other, three guide plates are preferably arranged, and the outlet of the second fan 1341 is equally divided into three parts.
In order to prevent a large amount of air from entering the blanking bin 131 from between the blanking bin 131 and the belt surface of the ventilation belt conveyor 1331, the blanking device 13 is further provided with a discharging brush roller 135 (see fig. 1 and 3), the discharging brush roller 135 is connected with the lower edge of the side surface opposite to the side surface where the third opening is located, the discharging brush roller 135 and the belt surface of the ventilation belt conveyor 1331 form a gap, and raw smoke is output from the gap. The discharge brush roller 135 is a cylinder, the cylinder spans the upper surface of the belt of the ventilation belt conveyor 1331, the rotation direction of the cylinder is opposite to the conveying direction of the ventilation belt conveyor 1331, and in order to ensure that the force of the cylinder and the belt acting on raw smoke is the same, the tangential speed of the surface of the cylinder is the same as the horizontal running speed of the belt. The function of the discharge brush roller is equivalent to that of a discharge airlock, but the crushing of raw cigarettes by the discharge brush roller 135 is lower. The discharge brush roller 135 may also be an airlock door type seal roller.
The belt of ejection of compact brush roll 135 and ventilation belt feeder 1331 is the interference design, in order to prevent the belt from collapsing and deforming and leaking air under ejection of compact brush roll 135, sets up the hold-down plate below the ventilation belt, and the hold-down plate is located ejection of compact brush roll 135 directly under, holds the belt face.
In order to make the raw smoke from the second air supply pipeline 122 fall onto the ventilation belt conveyor 1331 more smoothly, a first deflector 1311 for guiding the raw smoke to the ventilation belt conveyor 1331 is arranged in the blanking bin 131, one end of the first deflector 1311 is close to the lower edge of the third opening, the other end of the first deflector 1311 is in a gap with the belt surface of the ventilation belt conveyor 1331, and the first deflector 1311 is an arc plate. One end of the first deflector 1311 can be arranged at any position between the lower edge of the third opening and the lower edge of the side surface where the third opening is located, and the preferred scheme is that one end of the first deflector 1311 is connected with the lower edge of the third opening, and through the first deflector 1311, the angle of the original tobacco falling onto the belt can be adjusted, so that the through holes in the belt in the tobacco stem bundle can be prevented from obstructing conveying.
In the embodiment of the invention, the device also comprises a conveying device 14 for conveying the raw cigarettes to the air separation device 11, wherein the air separation device 11 is provided with a feed port, and the conveying device 14 conveys the raw cigarettes to the air separation device 11 through the feed port; a damper 141 for accelerating the raw smoke into the air separation device 11 is provided above the conveying end of the conveying device 14.
Specifically, as shown in fig. 1, the conveying device 14 is a conveying belt 142 disposed obliquely to the wind separation bin 111, that is, the conveying start of the conveying belt 142 is lower than the conveying end. The side of the lower end of the air separation bin 111 is provided with a feeding hole, namely, the side of the lower end of the lower bin 1112 is provided with a relatively large opening, and raw smoke on the conveyor belt 142 enters the air separation bin 111 through the opening. A plate is disposed at the conveying end of the conveyor belt 142, i.e., above the belt end, and extends from the upper edge of the feed inlet toward the opposite direction of the conveyor belt 142, i.e., above the belt end of the conveyor belt 142, so that part of the wind in the wind separation bin 111 is guided out by the plate, a wind field is formed between the end of the conveyor belt 142 and the plate, and the raw smoke is accelerated into the wind separation bin 111, and the plate is called a wind pressing plate 141. The air pressing plate 141 may be configured as a straight plate, one end of which is connected to the upper edge of the inlet, and the other end of which extends above the conveyor belt 142, and the straight plate may be parallel to the belt surface of the conveyor belt 142, or may be configured as a reverse-L-like shape, with the vertical edge of the reverse-L-like shape extending upward from the upper edge of the inlet along the inner wall of the air separation compartment 111, and the transverse edge of the reverse-L-like shape extending above the conveyor belt 142 from the upper edge of the inlet. The length of the straight plate or the L-shaped transverse edge is about half a meter.
The foregoing description is only illustrative of the preferred embodiment of the present invention, and is not to be construed as limiting the invention, but is to be construed as limiting the invention to any and all simple modifications, equivalent variations and adaptations of the embodiments described above, which are within the scope of the invention, may be made by those skilled in the art without departing from the scope of the invention.
Claims (14)
1. An original smoke posture adjustment device, which is characterized in that: comprising
The air separation device comprises an air separation bin for carrying out air separation and preliminary posture adjustment on the raw smoke;
the blanking device comprises a blanking bin for collecting raw cigarettes; the method comprises the steps of,
The posture adjusting device is an air conveying pipeline for conveying air to enable raw tobacco to fly in the air, and the air conveying pipeline is communicated with the air dividing bin and the blanking bin and is used for adjusting tobacco leaves into a unified posture;
The blanking device further comprises:
The first air suction mechanism is communicated with the blanking bin and is used for sucking air in the blanking bin to form a negative pressure area;
The conveying mechanism is positioned below the blanking bin and is used for conveying the raw smoke collected by the blanking bin to the next working procedure in a unified posture; the device comprises a ventilation belt conveyor for conveying the raw smoke falling onto the belt conveyor out of a blanking bin, wherein through holes are uniformly formed in the belt of the ventilation belt conveyor;
The second air suction mechanism is communicated with the cavity through the second opening to suck air in the cavity to form a negative pressure area;
a plurality of guide plates with different lengths are arranged below the belt of the ventilation belt conveyor, the length direction of the guide plates is perpendicular to the conveying direction of the ventilation belt conveyor, the short guide plates are arranged above the long guide plates, the distance between the guide plates is equal, and one end of each guide plate is connected with the second opening.
2. The raw smoke posture adjustment apparatus according to claim 1, wherein: the wind separating bin is sequentially provided with a lower bin and an upper bin from bottom to top, the lower bin is used for carrying out winnowing on the raw tobacco, and the upper bin is communicated with the posture adjusting device and is used for carrying out primary posture adjustment on the raw tobacco;
the inner diameter of the upper bin gradually decreases from bottom to top.
3. The raw smoke posture adjustment apparatus according to claim 2, wherein: the air conveying pipeline comprises a first air conveying pipeline and a second air conveying pipeline which are communicated with each other and used for conveying air for suspending raw smoke to fly in the air, and the first air conveying pipeline is communicated with the upper bin;
The first air conveying pipeline comprises a first turning section, a horizontal section and a second turning section which are sequentially communicated, the first turning section is an arc section, the lower end of the first turning section is communicated with the upper bin, the upper end of the first turning section is communicated with the horizontal section, smooth transition connection is formed between the upper bin and the horizontal section, the second turning section is an arc section, the upper end of the second turning section is communicated with the horizontal section, the lower end of the second turning section is communicated with the second air conveying pipeline, and smooth transition connection is formed between the horizontal section and the second air conveying pipeline;
The second air conveying pipeline is downwards inclined from the second turning section and communicated with a blanking device for collecting raw cigarettes, and the pipe diameter of the second air conveying pipeline is gradually increased along the conveying direction.
4. The raw smoke posture adjustment apparatus according to claim 1, wherein:
And a third opening is formed in one side surface of the blanking bin, and the blanking bin is communicated with the posture adjusting device through the third opening.
5. The raw smoke posture adjustment apparatus according to claim 4, wherein: the blanking bin is characterized in that a first opening is formed in one side face of the blanking bin, the first air suction mechanism comprises a first fan, and the first fan is communicated with the blanking bin through the first opening.
6. The raw smoke posture adjustment apparatus according to claim 5, wherein: the first opening is arranged at the upper part of one side surface of the blanking bin;
The side face where the first opening is located is adjacent to the side face where the third opening is located.
7. The raw smoke posture adjustment apparatus according to claim 4, wherein: the second air suction mechanism comprises a second fan, and the second fan is communicated with the cavity through the second opening.
8. The raw smoke posture adjustment apparatus according to claim 4, wherein: the blanking device further comprises a discharging brush roller for preventing a large amount of air from entering the blanking bin, the discharging brush roller is connected with the lower edge of the side face opposite to the side face where the third opening is located, and the discharging brush roller is in clearance with the belt surface of the ventilation belt conveyor.
9. The raw smoke posture adjustment apparatus according to claim 8, wherein: the belt supporting plate for supporting the belt is arranged below the ventilation belt and is positioned right below the discharging brush roller.
10. The raw smoke posture adjustment apparatus according to claim 4, wherein: the blanking bin is provided with a first guide plate for guiding raw smoke to the ventilation belt conveyor, one end of the first guide plate is close to the lower edge of the third opening, and the other end of the first guide plate is in clearance with the belt surface of the ventilation belt conveyor.
11. The raw smoke posture adjustment apparatus according to claim 10, wherein: one end of the first guide plate is connected with the lower edge of the third opening;
The first guide plate is an arc-shaped plate.
12. A raw smoke posture adjustment apparatus according to any one of claims 1-11, characterized in that: still include the conveyor who carries former cigarette to the wind divides the device, wind divides the device to be provided with the pan feeding mouth, and conveyor passes through the pan feeding mouth and carries former cigarette to wind divides the device.
13. The raw smoke posture adjustment apparatus according to claim 12, wherein: a wind pressing plate for accelerating raw smoke into the air separation device is arranged above the conveying end of the conveying device;
one end of the air pressing plate extends from the feeding hole towards the conveying direction of the conveying device.
14. The raw smoke posture adjustment apparatus according to claim 12, wherein: the conveying start end of the conveying device is lower than the conveying end.
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| CN202010186097.5A CN113397199B (en) | 2020-03-17 | 2020-03-17 | Raw smoke posture adjusting equipment |
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| CN202010186097.5A CN113397199B (en) | 2020-03-17 | 2020-03-17 | Raw smoke posture adjusting equipment |
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| CN113397199B true CN113397199B (en) | 2024-05-14 |
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