CN113397199A - Raw cigarette posture adjusting equipment - Google Patents
Raw cigarette posture adjusting equipment Download PDFInfo
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- CN113397199A CN113397199A CN202010186097.5A CN202010186097A CN113397199A CN 113397199 A CN113397199 A CN 113397199A CN 202010186097 A CN202010186097 A CN 202010186097A CN 113397199 A CN113397199 A CN 113397199A
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- 235000019504 cigarettes Nutrition 0.000 title claims description 52
- 241000208125 Nicotiana Species 0.000 claims abstract description 85
- 235000002637 Nicotiana tabacum Nutrition 0.000 claims abstract description 85
- 238000000926 separation method Methods 0.000 claims abstract description 57
- 238000009423 ventilation Methods 0.000 claims description 32
- 230000007246 mechanism Effects 0.000 claims description 28
- 239000000779 smoke Substances 0.000 claims description 21
- 238000007599 discharging Methods 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 11
- 238000003825 pressing Methods 0.000 claims description 11
- 230000007704 transition Effects 0.000 claims description 8
- 230000036544 posture Effects 0.000 description 45
- 230000004323 axial length Effects 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 4
- 238000007667 floating Methods 0.000 description 4
- 239000012535 impurity Substances 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000000007 visual effect Effects 0.000 description 3
- 238000013473 artificial intelligence Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000013135 deep learning Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000013467 fragmentation Methods 0.000 description 1
- 238000006062 fragmentation reaction Methods 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
- 238000007789 sealing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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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 raw tobacco attitude adjusting equipment which comprises an air separation device, a control device and a control device, wherein the air separation device is used for carrying out air separation and primary attitude adjustment on raw tobacco; and the posture adjusting device is communicated with the air separation device and is used for adjusting the tobacco leaves into a uniform posture. According to the invention, through the cooperation of the air separation device and the posture adjusting device, the raw tobacco is adjusted into single tobacco leaves with uniform posture with the leaf base at the front and the leaf tip at the back, so that a guarantee is provided for intelligent classification of the raw tobacco.
Description
Technical Field
The invention relates to the technical field of tobacco leaf sorting and grading, in particular to raw tobacco posture adjusting equipment.
Background
At present, most of threshed and redried tobacco leaves are classified internationally or domestically by adopting a manual selection and classification mode. Namely, the tobacco bale is placed at a designated position, the tobacco bale or the tobacco leaves after being untwisted are classified according to the requirement by manpower, and the classified tobacco leaves are placed at the designated position for warehouse separation. The adoption of the raw tobacco grading and binning mode mainly has the following problems: the floor space is large, a large amount of labor is needed, the production efficiency is low, and the production cost is high; secondly, the production environment is severe, the labor intensity of operators is high, and a large amount of dust can be sucked by the operators in the working process, so that the health of the workers is influenced; and thirdly, the quality of finished tobacco leaves is greatly influenced by artificial factors, and the quality deviation of the classified tobacco leaves is large.
In order to solve the problems, various companies in China try to grade tobacco leaves by using full-automatic machines based on technologies such as visual recognition and artificial intelligence. The existing technologies such as visual identification technology, artificial intelligence deep learning algorithm and the like are mature day by day and can meet the requirement of tobacco leaf classification, but the technologies can be used for classifying the tobacco leaves only when the tobacco leaves are in a relatively flat and single state.
The present invention has been made in view of this situation.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide raw tobacco attitude adjusting equipment, wherein the raw tobacco is adjusted into single tobacco leaves with uniform attitude in a suspended flying state in an air conveying pipeline by arranging an air sub-bin and the air conveying pipeline, so that the intelligent grading of the raw tobacco is guaranteed, the assistance of other mechanical structures is not needed, the efficiency is high and the cost is low.
In order to achieve the purpose, the invention adopts the following technical scheme:
raw tobacco attitude adjusting equipment comprises
The air separation device is used for carrying out air separation and primary posture adjustment on the original tobacco;
and the posture adjusting device is communicated with the air separation device and is used for adjusting the tobacco leaves into a uniform posture.
In the scheme, through the cooperation of the air separation device and the posture adjusting device, the raw tobacco is adjusted into single tobacco leaves with uniform postures, wherein the tobacco leaves are arranged in front of the tobacco base and at the back of the tobacco base, and the guarantee is provided for intelligent classification of the raw tobacco.
Further, the air separation device comprises an air separation bin, a lower bin and an upper bin are sequentially arranged on the air separation bin from bottom to top, the lower bin is used for winnowing raw cigarettes, and the upper bin is communicated with the posture adjusting device and used for preliminarily adjusting the posture of the raw cigarettes;
preferably, the inner diameter of the upper bin is gradually reduced from bottom to top.
Furthermore, the attitude adjusting device comprises a first air supply pipeline and a second air supply pipeline which are used for conveying air to enable the raw smoke to fly in a suspended mode, and the first air supply pipeline is communicated with the upper bin;
preferably, the first air supply 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-shaped 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-shaped 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 supply pipeline, and smooth transition connection is formed between the horizontal section and the second air supply pipeline;
preferably, the second air supply pipeline is communicated with the blanking device for collecting raw cigarettes from the second turning section in a downward inclined mode, and the pipe diameter of the second air supply pipeline is gradually increased along the conveying direction.
In the scheme, the raw smoke is automatically adjusted to be in a uniform posture in a suspended flying state in the air supply pipeline without the assistance of other mechanical structures, so that the efficiency is high and the cost is low.
The cigarette feeding device further comprises a blanking device which is communicated with the posture adjusting device and used for collecting the raw cigarettes adjusted to be in the uniform posture by the posture adjusting device and conveying the raw cigarettes to the next procedure.
Further, the blanking device comprises
The blanking bin is communicated with the attitude adjusting device and is used for collecting raw cigarettes;
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 cigarettes collected by the blanking bin to the next procedure in a uniform posture;
preferably, a third opening is formed in one side face of the blanking bin, and the blanking bin is communicated with the posture adjusting device through the third opening.
Furthermore, 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;
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.
Furthermore, the conveying mechanism comprises a ventilation belt conveyor for conveying the raw cigarettes falling on the conveying mechanism out of the blanking bin, and through holes are uniformly formed in a belt of the ventilation belt conveyor;
preferably, a cavity is arranged below a belt of the ventilation belt conveyor, the blanking device further comprises a second air suction mechanism, and the second air suction mechanism is communicated with the cavity to suck air in the cavity to form a negative pressure region;
preferably, a second opening is formed in one side face of the chamber, the second air suction mechanism comprises a second fan, and the second fan is communicated with the chamber 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 intervals of the guide plates are equal, and one end of each guide plate is connected with the second opening.
Furthermore, the blanking device also 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 located, and a gap is formed between the discharging brush roller and the belt surface of the ventilation belt conveyor;
preferably, a belt supporting plate for supporting the belt is arranged below the ventilating belt, and the dragging plate is positioned right below the discharging brush roller.
Furthermore, the blanking bin is provided with a first guide plate for guiding the raw tobacco to the ventilation belt conveyor, one end of the first guide plate is close to the lower edge of the third opening, and a gap is formed between the other end of the first guide plate and 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 baffle is an arc-shaped plate.
The tobacco processing device further comprises a conveying device for conveying raw tobacco to the air separation device, wherein the air separation device is provided with a feeding opening, and the conveying device conveys the raw tobacco to the air separation device through the feeding opening;
preferably, an air pressing plate used for accelerating the raw smoke to enter the air separation device is arranged above the conveying tail end of the conveying device;
preferably, one end of the air pressing plate extends from the feeding port to the opposite conveying direction of the conveying device;
preferably, the conveying device has a conveying beginning lower than a conveying end.
After the technical scheme of the invention is adopted, the following beneficial effects are brought:
according to the raw tobacco attitude adjusting equipment provided by the invention, through the cooperation of the air separation device and the attitude adjusting device, the raw tobacco is adjusted into single tobacco leaves with uniform attitudes that the leaf bases are in front and at the back, so that the guarantee is provided for the intelligent classification of the raw tobacco.
According to the raw cigarette attitude adjusting device provided by the invention, the raw cigarette is automatically adjusted to be in a uniform attitude in a suspended flying state in the air supply pipeline, and the device does not need the assistance of other mechanical structures, and is high in efficiency and low in cost.
Drawings
FIG. 1: the embodiment of the invention provides a raw cigarette attitude adjusting device structure schematic diagram.
Fig. 2 and 3: the embodiment of the invention provides schematic diagrams of different visual angles of a blanking device of raw cigarette attitude adjusting equipment.
Reference numerals: 11. the air separation device 111, the air separation bin 1111, the upper bin 1112, the lower bin 112, the support 12, the attitude adjusting device 121, the first air supply pipeline 1211, the first turning section 1212, the horizontal section 1213, the second turning section 122, the second air supply pipeline 13, the blanking device 131, the blanking bin 1311, the first guide plate 132, the first air suction mechanism 1321, the first fan 1322, the first opening 133, the conveying mechanism 1331, the ventilation belt conveyor 1332, the chamber 134, the second air suction mechanism 1341, the second fan 1342, the second opening 135, the discharge brush roller 14, the conveying device 141, the air pressing plate 142, the conveying belt conveyor 1342
It should be noted that the drawings and the description are not intended to limit the scope of the inventive concept in any way, but to illustrate it by a person skilled in the art with reference to specific embodiments.
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 will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and the following embodiments are used for illustrating the present invention and are not intended to limit the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular 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 otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1, the raw tobacco posture adjusting device comprises an air separation device 11 for air separation and primary posture adjustment of raw tobacco and a posture adjusting device 12 for adjusting tobacco leaves into a uniform posture, wherein the air separation device 11 is communicated with the posture adjusting 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 raw tobacco enters the wind separation device 11, heavier tobacco stems and impurities are gathered at the lower end of the wind separation device 11 and flow out of the wind separation device 11 under the dual actions of gravity and buoyancy, so that the lighter raw tobacco floats upwards, and the air separation of the raw tobacco is realized; the axial length of the air separation device 11 is long, most of raw tobacco initially forms a uniform posture with the front leaf base and the rear leaf base in the form of single tobacco leaves in the floating process, then the raw tobacco enters the posture adjusting device 12 communicated with the air separation device 11, and the raw tobacco is further adjusted into the uniform posture with the front leaf base and the rear leaf base in the posture adjusting device 12. Through the cooperation of the air separation device 11 and the posture adjusting device 12, the raw tobacco is adjusted into single tobacco leaves with uniform postures, wherein the tobacco leaves are arranged in front of the leaf base and at the back of the leaf base, and the guarantee is provided for intelligent classification of the raw tobacco.
Specifically, as shown in fig. 1, the air separation device 11 of the present invention includes an air separation bin 111 and a bracket 112 supporting the air separation bin 111, the air separation bin 111 is sequentially provided with a lower bin 1112 and an upper bin 1111 from bottom to top, the lower bin 1112 is used for air separation of raw tobacco, the upper bin 1111 is communicated with the posture adjustment device 12 and is used for preliminary posture adjustment of the raw tobacco, and the inner diameter of the upper bin 1111 gradually decreases 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, and heavier tobacco stems and impurities fall to the bottom surface of the lower bin 1112, flow out of the lower bin 1112 and fall into a drawer arranged below the bracket 112 and used for collecting impurities. The lower bin 1112 is mainly used for winnowing raw tobacco, the inner diameter of the lower bin 1112 is unchanged, the cross section of the lower bin 1112 can be square or round, and the upper bin 1111 is matched with the lower bin 1112, namely the cross section of the upper bin 1111 is also square or round, and the preferred scheme is round. The wind sub-bin 111 with the circular cross section can make full use of space and is beneficial to forming a uniform wind field. The inner diameter of the upper bin 1111 is gradually reduced from bottom to top along the wind conveying direction, the cross section of the upper bin 1111 is gradually reduced, the wind speed is gradually increased, the floating speed of the raw smoke is also increased, and the wind speed at the outlet at the upper end of the upper bin 1111 is greater than 20 m/s. The axial length of the lower cartridge 1112 is about 1 to 1.5 times, preferably about 1.3 times, the axial length of the upper cartridge 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 backward part is always, the smaller the resistance is, the forward part is, so most of the raw smoke initially forms the posture that the base of the smoke is at the front and the tip of the smoke is at the back in the upper bin 1111.
Raw smoke enters the attitude adjusting device 12 from the upper bin 1111 to further adjust the attitude, in the embodiment of the present invention, the attitude adjusting device 12 is a wind conveying pipeline for conveying air, and the raw smoke is adjusted in attitude in a suspended flying state in the wind conveying pipeline. The air conveying pipeline comprises a first air conveying pipeline 121 and a second air conveying pipeline 122 which are communicated with each other, the first air conveying pipeline 121 is communicated with the upper bin 1111, the second air conveying pipeline 122 is communicated with the blanking device 13 for collecting raw cigarettes, the first air conveying pipeline 121 comprises a first turning section 1211, a horizontal section 1212 and a second turning section 1213 which are communicated in sequence, the first turning section 1211 is an arc-shaped section, the lower end of the first turning section 1211 is communicated with the upper bin 1111, the upper end of the first turning section is communicated with the horizontal section 1212, 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 of the second turning section is communicated with the horizontal section 1212, the lower end of the second air conveying pipeline 122 is communicated, and smooth transition connection is formed between the horizontal section 1212 and the second air conveying pipeline 122. The second air supply pipeline 122 is downwards inclined from the second turning section 1213 and communicated with the blanking device 13 for collecting raw cigarettes, the pipe diameter of the second air supply pipeline 122 gradually increases along the conveying direction, and the included angle between the second air supply pipeline 122 and the ground is 60 to 70 degrees, preferably 67 degrees. The first turning section 1211 and the second turning section 1213 are both arc pipes, the turning radius is greater than or equal to 1 meter, and the projection of the first turning section 1211 and the second turning section 1213 on the horizontal plane is about 1 meter long, the projection of the horizontal section 1212 on the horizontal plane is 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 equal to the inner diameter of the upper port of the upper bin 1111.
The air separation bin 111 in the air separation device 11 consists of a lower bin 1112 with an unchanged inner diameter and an upper bin 1111 with a gradually reduced inner diameter from bottom to top, so that tobacco stems and impurities can be conveniently removed, the floating speed of tobacco leaves can be gradually accelerated, most of tobacco leaves are preliminarily adjusted in posture in the upper bin 1111, preparation is made for entering an air conveying pipeline to be adjusted into a uniform posture, and the possible situation that each piece of raw tobacco is collided to cause breakage due to centralized posture adjustment in the air conveying pipeline is avoided; the axial length of the lower bin 1112 is about 1 to 1.5 times of the axial length of the upper bin 1111, that is, the axial length of the upper bin 1111 is relatively long, so that the primary posture adjustment of most raw cigarettes in the lower bin 1111 can be ensured. In addition, the upper bin 1111 is gradually narrowed to better match with the air supply pipeline, so that sudden increase of the air speed caused by abrupt change of the communication position of the air sub-bin 111 and the air supply pipeline is avoided, and the original cigarettes are seriously crushed or blocked together.
The raw tobacco is automatically adjusted to a uniform posture in the air supply pipeline without the assistance of other mechanical structures, and 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, the posture of the raw tobacco is fully adjusted in the first air conveying pipeline 121 and enters the second air conveying pipeline 122 in a uniform posture, the inner diameter of the second air conveying pipeline 122 is gradually increased, the flying speed of the raw tobacco can be gradually reduced to about 10m/s, and preparation is made for the raw tobacco to enter the next procedure or the raw tobacco to be collected; the first air supply 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 a sufficient distance for adjusting the raw smoke into a uniform posture, the first turning section 1211 and the second turning section 1213 provide a buffer space for changing the flight direction of the raw smoke, the first turning section 1211 forms a smooth transition connection between the upper bin 1111 and the horizontal section 1212, the second turning section 1213 forms a smooth transition connection between the horizontal section 1212 and the second air supply pipeline 122, the turning radii of the first turning section 1211 and the second turning section 1213 are larger than 1m, the air speed in the first air supply pipeline 121 is larger than 20m/s, and the raw smoke can be ensured to smoothly pass through the first turning section 1211 and the second turning section 1213 without causing blockage.
In the embodiment of the invention, the raw tobacco attitude adjusting device further comprises a blanking device 13, the blanking device 13 is communicated with the attitude adjusting device 12, and the blanking device 13 is used for collecting the raw tobacco adjusted to a uniform attitude by the attitude adjusting device 12 and conveying the raw tobacco to the next procedure.
The raw cigarettes come out from the posture adjusting device 12 in a uniform posture and enter the blanking device 13, and the blanking device 13 sequentially collects the raw cigarettes falling therein and adjusted to the uniform posture by the posture adjusting device and conveys the raw cigarettes to the next process for classification in the uniform posture with the base of the cigarettes at the front and the tip of the cigarettes at the back.
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 and sucks air in the blanking bin 131, and the conveying mechanism 133 is positioned below the blanking bin 131 and is used for conveying the raw cigarettes collected by the blanking bin 13 to the next procedure in a uniform posture; a third opening is provided on one side of the blanking bin 131, and the blanking bin 131 is communicated with the attitude adjusting device 12 through the third opening.
Specifically, the blanking device 13 is located forward in the conveying direction of the air supply duct, communicates with the second air supply duct 122, collects raw cigarettes discharged from the second air supply duct 122, and conveys the raw cigarettes 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 supply pipeline 122 on the side opposite to the second air supply pipeline 122, the opening is a third opening, the third opening is arranged at the middle lower end of the side of the blanking bin 131, the second air supply pipeline 122 is communicated with the blanking bin 131 through the third opening, and raw cigarettes enter the blanking bin 131 from the third opening in a uniform posture that the leaf base is in front and the leaf tip is in back. If the blanking bin 131 is at negative pressure, the raw tobacco can enter the blanking bin 131 more smoothly, and in order to form 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 region (see fig. 2): the side surface adjacent to the side surface where the third opening is located is provided with an opening, the opening is a first opening 1322, the first air suction mechanism 132 comprises a first fan 1321, one end of the 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 disposed at an upper portion of the side of the blanking bin 131 to prevent raw smoke from being directly sucked into the first blower 1321. The first fan 1321 is a variable frequency fan, and the air speed is adjusted according to actual needs, so that the ascending air flow in the blanking bin 131 is lower than 1.8m/s, and light broken tobacco pieces can be prevented from floating upwards to enter the first fan 1321.
Alternatively, the first opening 1322 may be provided at an upper portion of the other side surface, including the side surface on which the third opening is provided.
Conveying mechanism 133 includes that the raw tobacco that will fall onto it carries out the ventilation belt machine 1331 of blanking storehouse 131, and ventilation belt machine 1331's belt sets up the through-hole, and through-hole evenly distributed is about 6 millimeters in whole belt face, and the through-hole diameter is about 40 millimeters, and two through-hole intervals are about. If a slight negative pressure exists on the belt surface of the ventilation belt conveyor 1331, the raw cigarettes can be slightly adhered to the belt surface, and the raw cigarettes can be more smoothly conveyed out of the blanking bin 131, in order to form the 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, a side surface of the chamber 1332 is provided with a second opening 1342, through the second opening 1342, the second fan 1341 is communicated with the chamber 1332 to suck the air in the chamber 1332, and thus the slight negative pressure exists on the belt surface of the ventilation belt conveyor 1331. The chamber 1332 may be so defined that the chamber 1332 extends below the belt of the entire ventilator 1331, or only the chamber 1332 extends below the belt directly below the silo 131, preferably the latter. The second fan 1341 is a variable frequency fan, and the air speed is adjusted according to actual needs, so that slight negative pressure is formed on the surface of the belt of the ventilation belt machine 1331.
In order to make the air speed on the surface of the belt 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 intervals of the guide plates are equal, one end of each guide plate is connected with the second opening 1342, the outlet of the second fan 1341 is also divided into a plurality of parts in equal parts and matched with the guide plates, preferably, the air speed is divided into three guide plates, and the outlet of the second fan 1341 is divided into three parts in equal parts.
In order to prevent a large amount of air from entering the blanking bin 131 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 forms a gap with the belt surface of the ventilation belt conveyor 1331, and raw smoke is output from the gap. The discharging brush roller 135 is a cylinder, the cylinder crosses 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 forces of the cylinder and the belt acting on raw smoke are 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 the discharge airlock, but the discharge brush roller 135 has lower fragmentation of the raw tobacco. The discharge brush roller 135 may also be an airlock door type sealing roller.
The discharging brush roller 135 and the belt of the ventilation belt conveyor 1331 are designed in an interference mode, and in order to prevent the belt from collapsing and deforming under the effect of the discharging brush roller 135 and leaking air, a belt supporting plate is arranged below the ventilation belt and located right below the discharging brush roller 135 to support the surface of the belt.
In order to enable the raw tobacco coming out of the second air supply pipeline 122 to smoothly fall onto the ventilating belt conveyor 1331, a first guide plate 1311 for guiding the raw tobacco to the ventilating belt conveyor 1331 is arranged in the blanking bin 131, one end of the first guide plate 1311 is close to the lower edge of the third opening, a gap is formed between the other end of the first guide plate 1311 and the belt surface of the ventilating belt conveyor 1331, and the first guide plate 1311 is an arc-shaped plate. One end of the first guide plate 1311 can be arranged at any position between the lower edge of the third opening and the lower edge of the side face where the third opening is located, and in the preferable scheme, one end of the first guide plate 1311 is connected with the lower edge of the third opening, so that the angle of raw cigarettes falling onto the belt can be adjusted through the first guide plate 1311, and the situation that conveying is hindered by through holes in the belt during tobacco stalk binding is avoided.
In the embodiment of the invention, the device further comprises a conveying device 14 for conveying raw cigarettes to the air separation device 11, wherein the air separation device 11 is provided with a feeding port, and the conveying device 14 conveys the raw cigarettes to the air separation device 11 through the feeding port; an air pressing plate 141 for accelerating the raw smoke into the air separation device 11 is arranged above the conveying end of the conveying device 14.
Specifically, as shown in fig. 1, the conveying device 14 is a belt conveyor 142 disposed obliquely to the air separation chamber 111, i.e., the conveying beginning end of the belt conveyor 142 is lower than the conveying end. The side of the lower end of the air separation bin 111 is provided with a feeding port, that is, the side of the lower end of the lower bin 1112 is provided with a relatively large opening, and raw cigarettes on the belt conveyor 142 enter the air separation bin 111 through the opening. A plate is arranged at the conveying end of the belt conveyor 142, i.e. above the belt end, and extends from the upper edge of the feeding port in the opposite conveying direction of the belt conveyor 142, i.e. the plate is located above the belt end of the belt conveyor 142, so that the plate guides part of the air in the air sub-bin 111 out, an air field is formed between the end of the belt conveyor 142 and the plate, and the raw smoke is accelerated into the air sub-bin 111, and the plate is called as an air pressing plate 141. The air pressing plate 141 can be set into a straight plate, one end of the air pressing plate is connected with the upper edge of the feeding port, the other end of the air pressing plate extends out towards the upper side of the belt conveyor 142, the straight plate is parallel to the surface of a belt of the belt conveyor 142, the air pressing plate can also be set into a similar reverse L shape, the vertical edge of the similar reverse L extends upwards from the upper edge of the feeding port along the inner wall of the air distribution bin 111, and the transverse edge of the similar reverse L extends out from the upper edge of the feeding port towards the upper side of the belt conveyor 142. A straight or L-shaped transverse edge, approximately half a meter in length.
Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. The utility model provides a former cigarette gesture adjustment equipment which characterized in that: comprises that
The air separation device is used for carrying out air separation and primary posture adjustment on the original tobacco;
and the posture adjusting device is communicated with the air separation device and is used for adjusting the tobacco leaves into a uniform posture.
2. A raw cigarette attitude adjusting apparatus according to claim 1, characterized in that: the air separation device comprises an air separation bin, a lower bin and an upper bin are sequentially arranged from bottom to top in the air separation bin, the lower bin is used for winnowing raw cigarettes, and the upper bin is communicated with the posture adjusting device and used for preliminarily adjusting the posture of the raw cigarettes;
preferably, the inner diameter of the upper bin is gradually reduced from bottom to top.
3. A raw cigarette attitude adjusting apparatus according to claim 2, characterized in that: the attitude adjusting device comprises a first air supply pipeline and a second air supply pipeline which are communicated with each other and used for conveying air to enable the raw smoke to fly in the air, and the first air supply pipeline is communicated with the upper bin;
preferably, the first air supply 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-shaped 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-shaped 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 supply pipeline, and smooth transition connection is formed between the horizontal section and the second air supply pipeline;
preferably, the second air supply pipeline is communicated with the blanking device for collecting raw cigarettes from the second turning section in a downward inclined mode, and the pipe diameter of the second air supply pipeline is gradually increased along the conveying direction.
4. A raw smoke attitude modifying apparatus according to any one of claims 1 to 3, characterised in that: the cigarette feeding device further comprises a blanking device which is communicated with the posture adjusting device and used for collecting the raw cigarettes adjusted to be in the uniform posture by the posture adjusting device and conveying the raw cigarettes to the next procedure.
5. A raw cigarette attitude adjusting apparatus according to claim 4, characterized in that: the blanking device comprises
The blanking bin is communicated with the attitude adjusting device and is used for collecting raw cigarettes;
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 cigarettes collected by the blanking bin to the next procedure in a uniform posture;
preferably, a third opening is formed in one side face of the blanking bin, and the blanking bin is communicated with the posture adjusting device through the third opening.
6. A raw cigarette attitude adjusting apparatus according to claim 5, 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;
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.
7. A raw cigarette attitude adjusting apparatus according to claim 5, characterized in that: the conveying mechanism comprises a ventilation belt conveyor which conveys the raw cigarettes falling on the conveying mechanism out of the blanking bin, and through holes are uniformly formed in a belt of the ventilation belt conveyor;
preferably, a cavity is arranged below a belt of the ventilation belt conveyor, the blanking device further comprises a second air suction mechanism, and the second air suction mechanism is communicated with the cavity to suck air in the cavity to form a negative pressure region;
preferably, a second opening is formed in one side face of the chamber, the second air suction mechanism comprises a second fan, and the second fan is communicated with the chamber 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 intervals of the guide plates are equal, and one end of each guide plate is connected with the second opening.
8. A raw cigarette attitude adjusting apparatus according to claim 7, characterized in that: the blanking device also comprises a discharging brush roll for preventing a large amount of air from entering the blanking bin, the discharging brush roll is connected with the lower edge of the side surface opposite to the side surface where the third opening is located, and a gap is formed between the discharging brush roll and the belt surface of the ventilation belt conveyor;
preferably, a belt supporting plate for supporting the belt is arranged below the ventilating belt, and the dragging plate is positioned right below the discharging brush roller.
9. A raw cigarette attitude adjusting apparatus according to claim 7, characterized in that: the blanking bin is provided with a first guide plate for guiding raw cigarettes to the ventilation belt conveyor, one end of the first guide plate is close to the lower edge of the third opening, and a gap is formed between the other end of the first guide plate and 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 baffle is an arc-shaped plate.
10. A raw smoke attitude modifying apparatus according to any one of claims 1 to 3, characterised in that: the tobacco processing device also comprises a conveying device for conveying raw tobacco to the air separation device, wherein the air separation device is provided with a feeding port, and the conveying device conveys the raw tobacco to the air separation device through the feeding port;
preferably, an air pressing plate used for accelerating the raw smoke to enter the air separation device is arranged above the conveying tail end of the conveying device;
preferably, one end of the air pressing plate extends from the feeding port to the opposite conveying direction of the conveying device;
preferably, the conveying device has a conveying beginning lower than a 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 CN113397199B (en) | 2024-05-14 |
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