CN112452750B

CN112452750B - Heavy foreign matter removing device

Info

Publication number: CN112452750B
Application number: CN202011186895.4A
Authority: CN
Inventors: 杭建军; 刘松江
Original assignee: NANJING TUZHI AUTOMATION TECHNOLOGY CO LTD
Current assignee: NANJING TUZHI AUTOMATION TECHNOLOGY CO LTD
Priority date: 2020-10-29
Filing date: 2020-10-29
Publication date: 2021-09-03
Anticipated expiration: 2040-10-29
Also published as: CN112452750A

Abstract

The invention relates to a heavy foreign matter removing device which comprises a feeding device A arranged at the end part of a feeding vibration groove, wherein the feeding device A is connected with the side surface of a vertical air distribution chamber B, the lower end of the vertical air distribution chamber B is connected with the upper end of an air uniformizing device C, two ends of the air uniformizing device C are connected with branched pipelines, each branched pipeline is connected with a circulating fan through an air supply pipeline, and a heavy foreign matter conveying device D is positioned at the bottom of the air uniformizing device C. The invention can separate heavy foreign matters from the materials by self gravity by changing the flight path of the materials to a larger extent, then automatically discharge the heavy foreign matters through the automatic device, well remove the conglomeration of tobacco leaves and tobacco stems, and simultaneously change the section of the vertical air distribution chamber by operating the pipeline reducing mechanism when the materials and the light foreign matters are delivered upwards, thereby changing the flow rate and the wind speed of the wind to meet the wind delivery requirements of different conditions, and being flexible and changeable.

Description

Heavy foreign matter removing device

Technical Field

The invention belongs to the field of tobacco production mechanical equipment, particularly relates to a heavy foreign matter removing device, and particularly relates to a tobacco heavy foreign matter removing device.

Background

The currently known material throwing and removing devices for the tobacco foreign matter removing device are various, for example, a utility model with the publication number of CN205324175U discloses an on-site winnowing machine with circulating air, the circulating air is utilized to convey horizontally conveyed materials in a waterfall form by a parabolic line, then an air blowing port is arranged on the inner side of the waterfall, when the materials pass through the air blowing port, the flying track of the materials can be changed by air due to light weight of the materials, and the materials arrive at another conveyor which is conveyed in the horizontal direction; the heavy foreign matters have larger mass, and the flight track of the heavy foreign matters is not easy to change by wind, so the heavy foreign matters can continuously keep moving downwards along the parabolic track, thereby realizing the purpose of separating the heavy foreign matters from the materials, but the quality of the agglomerated tobacco leaves and the tobacco stems in the materials is not much different from that of the normal tobacco leaves, and the agglomerated tobacco leaves and the tobacco stems cannot be effectively removed by the method, so the removal rate of the heavy foreign matters is not high, and the removal effect is influenced; for another example, utility model patent of publication No. CN204938186U discloses a windy edulcoration jettison gear with adjustable, except circulating fan mechanism, increases a tonifying qi fan alone and not only increases use cost, also can improve the energy consumption and increase area, also can't reach the requirement of maintaining simply convenient to use at the in-process of using. Some belt type impurity removers using photoelectricity and laser also determine that the mode can not remove heavy foreign matters in principle; moreover, the tobacco leaves and dust can cover the optical window, resulting in reduced rejection effect; the agglomerated tobacco leaves easily block the conveying pipeline, so that production is stopped; in order to improve the removing effect, especially prevent hard impurities such as metal from flowing into the process section of the tobacco cutter, the downstream equipment is damaged, and meanwhile, the photoelectric impurity removing equipment and the sorting device are installed, so that the equipment is complex, the occupied area is large, the energy consumption is increased, the maintenance workload is increased, and the final removing effect is not ideal.

Disclosure of Invention

In order to solve the problems, the invention provides a heavy foreign matter removing device which removes heavy foreign matters in advance before removing light foreign matters of materials, achieves accurate removal of the heavy foreign matters by means of greatly changing the conveying direction of the materials, adjusting the air speed and the like, and has a more remarkable effect.

In order to achieve the purpose, the invention is realized by the following technical scheme:

the invention relates to a heavy foreign matter removing device which comprises a feeding device A arranged at the end part of a feeding vibration groove, wherein the feeding device A is connected with the side surface of a vertical air distribution chamber B, the lower end of the vertical air distribution chamber B is connected with the upper end of an air uniformizing device C, two ends of the air uniformizing device C are connected with branched pipelines, each branched pipeline is connected with a circulating fan through an air supply pipeline, and a heavy foreign matter conveying device D is positioned at the bottom of the air uniformizing device C.

The invention is further improved in that: all through dust removal pipeline connector connection dust removal pipeline in feed arrangement A entrance both sides, dust removal pipeline is connected with circulating fan, is provided with the airlock in feed arrangement A's inside.

The invention is further improved in that: the inside of the vertical air-separating chamber B is provided with a pipeline diameter-changing mechanism, two sides of the vertical air-separating chamber B are respectively provided with an illuminating lamp, and two sides of the vertical air-separating chamber B are both provided with an observation window.

The invention is further improved in that: the heavy foreign matter conveying device D is a baffle belt conveyor with one horizontal end and the other inclined upwards, and a heavy foreign matter collecting box is arranged at the end part of one inclined upwards end of the baffle belt conveyor.

The invention is further improved in that: the air uniformizing device C is divided into a first air dividing chamber and a second air dividing chamber, an adjustable flow dividing guide mechanism and an air uniformizing screen plate are respectively arranged in the first air dividing chamber and the second air dividing chamber, and the air uniformizing device C further comprises a heavy foreign matter removing mechanism.

The invention is further improved in that: the adjustable flow-dividing guide mechanism consists of a fixed plate, a movable plate and an adjusting screw rod, the fixed plate is welded and fixed on a side plate of the air-evening device C, the end part of the movable plate is connected with the end part of the fixed plate through a hinge, the adjusting screw rod is fixed on a bottom plate of the air-evening device C, and the movable plate penetrates through the adjusting screw rod through a set through hole and is matched with a nut to adjust the movable plate to a required position.

The invention is further improved in that: the diameter of the meshes of the air-homogenizing screen plate is 3mm-10 mm.

The invention is further improved in that: the heavy foreign matter removing mechanism comprises a first air lock, a second air lock and a rotary cylinder, the first air lock is arranged above the second air lock, the first air lock and the second air lock are respectively composed of a left baffle, a right baffle and a rotary shaft, the air locks are in a closed state under normal conditions, namely, the left baffle and the right baffle are both in a horizontal state, when heavy foreign matters fall on the baffles of the first air lock 17, at a fixed time point, the rotating shaft rotates 90 degrees, at the time, the left baffle of the first air lock 17 rotates 90 degrees clockwise, the right baffle of the first air lock 17 rotates 90 degrees anticlockwise, the first air lock is in an open state, heavy foreign matters fall onto the second air lock 18, after a short time, the first air lock will automatically return to the closed state, the second air lock 18 will repeat the action of the first air lock 17, the heavy foreign matter then falls onto the heavy foreign matter conveyor D, and finally the heavy foreign matter is conveyed into the heavy foreign matter collection tank 26. In the whole process of removing the heavy foreign matters, one of the first air lock and the second air lock is always in a closed state, so that the heavy foreign matters can be removed, and the influence of external air flow on the air flow in the feeding pipeline can be eliminated.

The invention is further improved in that: the pipeline diameter-changing mechanism comprises a first adjusting plate, a second adjusting plate, a third adjusting plate and a second adjusting screw rod, wherein the lower end and the upper end of the first adjusting plate are respectively connected with a side plate of the vertical air distribution chamber B and the lower end of the second adjusting plate through hinges, the upper end of the second adjusting plate is connected with the lower end of the third adjusting plate through a dovetail groove, the upper end of the third adjusting plate is connected with an inclined plane of the vertical air distribution chamber B, the end part of the second adjusting screw rod is connected with the second adjusting plate through threads, the second adjusting screw rod penetrates through the side plate of the vertical air distribution chamber B, and the second adjusting screw rod is loosened and tightened through a groove matching nut arranged on the side plate of the vertical air distribution chamber B.

The invention is further improved in that: the connection portions of the second regulating plate and the third regulating plate are overlapped by about 100 mm.

The invention has the beneficial effects that: the heavy foreign matter removing device disclosed by the invention has the advantages that the flying track of the material is greatly changed, the heavy foreign matter is separated from the material through the gravity of the heavy foreign matter, and then the heavy foreign matter is automatically discharged through the automatic device, so that the operation is simple, the energy consumption is reduced, and the removing accuracy is also improved; meanwhile, when materials and light foreign matters are conveyed upwards, the cross section of the vertical air distribution chamber can be changed by operating the pipeline reducing mechanism, so that the flow and the wind speed of wind are changed, the wind conveying requirements under different conditions are met, and the air distribution chamber is flexible and changeable.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic side cross-sectional view of the invention as a whole.

FIG. 3 is a schematic view of the structure of the feeding device A of the present invention.

Fig. 4 is a schematic structural view of the vertical air-separating chamber B of the present invention.

Fig. 5 is a schematic structural view of the wind uniforming device C of the present invention.

FIG. 6 is a schematic side cross-sectional view of the wind uniforming device of the present invention.

Fig. 7 is an enlarged view of the adjustable split guide mechanism of the present invention.

Fig. 8 is an enlarged view of a portion of fig. 2 of the present invention.

FIG. 9 is a schematic view of the overall structure of the vertical air-assisted trash remover of the present invention.

Detailed Description

In the following description, for purposes of explanation, numerous implementation details are set forth in order to provide a thorough understanding of the embodiments of the invention. It should be understood, however, that these implementation details are not to be interpreted as limiting the invention. That is, in some embodiments of the invention, such implementation details are not necessary. In addition, some conventional structures and components are shown in simplified schematic form in the drawings.

As shown in fig. 1-9, the present invention is a heavy foreign matter removing device, the upper end of which is provided with a video cabinet and a removing device, the upper end of the vertical air distribution chamber of the device is connected with a light foreign matter removing port through an air supply pipeline and a detection pipeline, one end of the light foreign matter removing port is connected with a light foreign matter removing and collecting pipeline, a material dropping device is arranged in the middle of a circulating fan, the removing device comprises a feeding device a arranged at the end of a feeding vibration groove, and the removing device is characterized in that: the feeding device A is connected with the side face of the vertical air distribution chamber B, the lower end of the vertical air distribution chamber B is connected with the upper end of an air uniformizing device C, two ends of the air uniformizing device C are respectively connected with a branched pipeline 1, each branched pipeline 1 is connected with a circulating fan 3 through an air conveying pipeline 2, and the heavy foreign matter conveying device D is located at the bottom of the air uniformizing device C.

The two sides of the inlet of the feeding device A are connected with a dust removal pipeline 5 through a dust removal pipeline connecting port 4, the dust removal pipeline 5 is connected with the circulating fan 3, dust raised by materials can be removed through negative pressure, and the air lock 6 is arranged inside the feeding device A, so that the influence of external air flow on the internal air flow of the feeding pipeline can be eliminated.

The pipeline diameter-changing mechanism 7 is arranged in the vertical air-dividing chamber B, and can adjust the inner diameter of a pipeline according to the needs of actual conditions, so as to change the air quantity and adjust the air speed, the pipeline diameter-changing mechanism 7 comprises a first adjusting plate 22, a second adjusting plate 23, a third adjusting plate 24 and a second adjusting screw 25, the lower end and the upper end of the first adjusting plate 22 are respectively connected with the side plate of the vertical air-dividing chamber B and the lower end of the second adjusting plate 23 through hinges, the upper end of the second adjusting plate 23 is connected with the lower end of the third adjusting plate 24 through a dovetail groove, the connecting parts of the second adjusting plate 23 and the third adjusting plate 24 are overlapped by about 100mm, the upper end of the third adjusting plate 24 is connected with the inclined plane of the vertical air-dividing chamber B, and the end of the second adjusting screw 25 is connected with the second adjusting plate 23 through threads, the second adjusting screw 25 penetrates through the side plate of the vertical air distribution chamber B, and the second adjusting screw 25 is loosened and tightened through a groove arranged on the side plate of the vertical air distribution chamber B and a nut matched with the groove, so that the distance between the second adjusting plate and the side plate of the vertical air distribution chamber is adjusted, and the purpose of adjusting the inner diameter of the vertical air distribution chamber is achieved.

Heavy matter foreign matter conveyor D is the baffle belt conveyor of one end level and other end tilt up, and the tip of the one end of baffle belt conveyor tilt up is provided with heavy matter foreign matter collecting box 26, heavy matter foreign matter conveyor is one end level, the oblique ascending baffle belt conveyor of the other end, so can not only be timely with the foreign matter transportation to the foreign matter collecting box that sets up in, prevent that the foreign matter from piling up in even wind device below, causing the jam, also can practice thrift the mounted position, reduce the mounting height of whole device.

The air uniformizing device C is divided into a first air dividing chamber 10 and a second air dividing chamber 11, an adjustable shunt guide mechanism 12 and an air uniformizing screen plate 13 are respectively arranged in the first air dividing chamber 10 and the second air dividing chamber 11, and the air uniformizing device C further comprises a heavy foreign matter removing mechanism. The heavy foreign matter removing mechanism is arranged between the two air distribution chambers, the heavy foreign matter removing mechanism can automatically separate the heavy foreign matter from the materials without influencing the air pressure and the air speed in the conveying pipeline, the air distribution chambers can evenly divide the air provided by the circulating fan 3 into a plurality of areas, then the air enters the vertical air distribution chambers through the air-homogenizing screen plate, the adjustable distribution guiding mechanism 12 consists of a fixed plate 14, a movable plate 15 and an adjusting screw rod 16, the fixed plate 14 is welded and fixed on a side plate of the air-homogenizing device C, the end part of the movable plate 15 is connected with the end part of the fixed plate 14 through a hinge, the adjusting screw rod 16 is fixed on a bottom plate of the air-homogenizing device C, the movable plate 15 penetrates through the adjusting screw rod 16 through a set through hole and is matched with a nut to adjust the movable plate 15 to a required position, and the adjustable distribution guiding mechanism 12 can evenly divide the air provided by the circulating fan into a plurality of areas, then the air is filtered by an air-homogenizing screen plate and enters a vertical air-separating chamber, and the diameter of the meshes of the air-homogenizing screen plate 13 is 3mm-10 mm. The area of the meshes accounts for about 65 percent of the total area of the whole uniform air screen plate according to the actual condition of the material. The air-homogenizing screen plate can not only homogenize the turbulent airflow; the heavy foreign matter removing mechanism comprises a first air lock 17, a second air lock 18 and a rotary cylinder, the first air lock 17 is installed above the second air lock 18, the first air lock 17 and the second air lock 18 are respectively composed of a left baffle 19, a right baffle 20 and a rotary shaft 21, under normal conditions, the air locks are in a closed state, namely the left baffle and the right baffle are both in a horizontal state, when the heavy foreign matter falls on the baffle of the first air lock 17, the rotary shaft rotates 90 degrees at a fixed time point, at the moment, the left baffle of the first air lock 17 rotates 90 degrees clockwise, the right baffle of the first air lock 17 rotates 90 degrees anticlockwise, the first air lock is in an open state, the heavy foreign matter falls on the second air lock 18, after a short time, the first air lock automatically recovers the closed state, the second air lock 18 repeats the operation of the first air lock 17, then the heavy foreign matters fall onto the heavy foreign matter transporting device D, and finally the heavy foreign matters are transported into the heavy foreign matter collecting box 26. In the whole process of removing the heavy foreign matters, one of the first air lock and the second air lock is always in a closed state, so that the heavy foreign matters can be removed, and the influence of external air flow on the air flow in the feeding pipeline can be eliminated.

The working process of the invention is as follows: when the materials fall from the inlet of the feeding device A, the raised dust is removed by the dust removal pipeline 5, passes through the air lock 6 arranged in the feeding device, and then enters the vertical air separation chamber B.

Two ends of an air uniformizing device C connected with the vertical air dividing chamber B are connected with a circulating fan pipeline 2, and air provided by a circulating fan 3 can pass through a branched pipeline 1 and then respectively enter a first air dividing chamber and a second air dividing chamber after passing through the branched pipeline 1; the wind that gets into the wind distribution chamber is disorderly, it is irregular, after adjustable reposition of redundant personnel guiding mechanism and even wind otter board are handled, will be disorderly, irregular wind divides into a plurality of stable, regular air current region, then get into perpendicular wind distribution chamber B, upwards carry material and light debris, perpendicular wind distribution chamber both sides are provided with light and observation window, the inside material wind send state of reducing pipeline can be clearly observed, simultaneously, when the inside amount of wind of perpendicular wind distribution chamber and wind speed do not satisfy the demand, accessible adjusting tube says reducing adjusting device, change the internal diameter of pipeline, thereby change amount of wind and wind speed. Therefore, the material and the light foreign matters are sent into the next pipeline by the wind at two sides, the heavy foreign matters fall on the heavy foreign matter removing device, after a specific time point, the first air lock of the heavy foreign matter removing device is opened downwards, the second air lock is still in a closed state, at the moment, the heavy foreign matters fall onto the second air lock from the first air lock, then the first air lock closes the second air lock and opens, the heavy foreign matters naturally fall onto the heavy foreign matter conveying device, then the heavy foreign matters are conveyed into a heavy foreign matter collecting box prepared in advance, the heavy foreign matters are completely separated from the material, and the internal air flow and the external air flow are always in an isolated state without mutual interference due to the two air locks in the whole process.

Therefore, heavy foreign matters are removed from the materials, the materials and the light foreign matters are continuously conveyed upwards, and due to the early-stage work of removing the heavy foreign matters and the existence of the pipeline reducing mechanism, good conditions are created for removing the light foreign matters in the later stage, a good environment is provided for the work of removing the whole foreign matters, and the removing effect is improved.

The above description is only an embodiment of the present invention, and is not intended to limit the present invention. Various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims

1. A heavy foreign matter removing device comprises a feeding device A arranged at the end part of a feeding vibration groove, and is characterized in that: the feeding device A is connected with the side face of the vertical air distribution chamber B, the lower end of the vertical air distribution chamber B is connected with the upper end of an air uniformizing device C, two ends of the air uniformizing device C are respectively connected with a branched pipeline (1), each branched pipeline (1) is connected with a circulating fan (3) through an air conveying pipeline (2), and the heavy foreign matter conveying device D is located at the bottom of the air uniformizing device C.

2. The heavy foreign matter removal apparatus according to claim 1, characterized in that: both sides of an inlet of the feeding device A are connected with a dust removal pipeline (5) through a dust removal pipeline connecting port (4), the dust removal pipeline (5) is connected with the circulating fan (3), and an air lock (6) is arranged in the feeding device A.

3. The heavy foreign matter removal apparatus according to claim 1, characterized in that: the pipeline reducing mechanism (7) is arranged inside the vertical air distribution chamber B, illuminating lamps (8) are respectively arranged on two sides of the vertical air distribution chamber B, and observation windows (9) are arranged on two sides of the vertical air distribution chamber B.

4. The heavy foreign matter removal apparatus according to claim 1, characterized in that: the heavy foreign matter conveying device D is a baffle belt conveyor with one end horizontal and the other end inclined upwards, and a heavy foreign matter collecting box (26) is arranged at the end part of one end of the baffle belt conveyor inclined upwards.

5. The heavy foreign matter removal apparatus according to claim 1, characterized in that: the air uniformizing device C is divided into a first air dividing chamber (10) and a second air dividing chamber (11), an adjustable flow dividing guide mechanism (12) and an air uniformizing screen plate (13) are respectively arranged in the first air dividing chamber (10) and the second air dividing chamber (11), and the air uniformizing device C further comprises a heavy foreign matter removing mechanism.

6. The heavy foreign matter removal apparatus according to claim 5, characterized in that: adjustable reposition of redundant personnel guiding mechanism (12) comprises fixed plate (14), fly leaf (15) and adjusting screw (16), fixed plate (14) welded fastening be in even wind device C's curb plate, the tip of fly leaf (15) pass through the hinge with fixed plate (14) end connection, adjusting screw (16) are fixed even wind device C's bottom plate is last, fly leaf (15) pass through the through-hole that sets up adjusting screw (16) and cooperation nut are adjusted fly leaf (15) to required position.

7. The heavy foreign matter removal apparatus according to claim 5, characterized in that: the heavy foreign matter removing mechanism comprises a first air lock (17), a second air lock (18) and a rotary cylinder, wherein the first air lock (17) is installed above the second air lock (18), and the first air lock (17) and the second air lock (18) are respectively composed of a left baffle (19), a right baffle (20) and a rotary shaft (21).

8. The heavy foreign matter removal apparatus according to claim 3, characterized in that: the pipeline reducing mechanism (7) comprises a first adjusting plate (22), a second adjusting plate (23), a third adjusting plate (24) and a second adjusting screw (25), the lower end and the upper end of the first adjusting plate (22) are respectively connected with the side plate of the vertical air distribution chamber B and the lower end of the second adjusting plate (23) through hinges, the upper end of the second adjusting plate (23) is connected with the lower end of the third adjusting plate (24) in a dovetail groove manner, the upper end of the third adjusting plate (24) is connected with the inclined plane of the vertical air dividing chamber B, the end part of the second adjusting screw rod (25) is connected with the second adjusting plate (23) through threads, and the second adjusting screw (25) penetrates through a side plate of the vertical air distribution chamber B, and the second adjusting screw (25) is loosened and tightened through a groove arranged on the side plate of the vertical air distribution chamber B and a nut matched with the groove.

9. The heavy foreign matter removal apparatus according to claim 8, characterized in that: the connecting parts of the second adjusting plate (23) and the third adjusting plate (24) are provided with mutual overlapping parts.