Air floating type tobacco leaf low-damage collecting device

Abstract

The invention discloses an air floating type tobacco leaf low-damage collecting device which comprises a tobacco leaf collecting box and an air floating conveying module arranged in the tobacco leaf collecting box. A feeding hole is formed in the tobacco leaf collecting box; the air floatation conveying module comprises a flow guide plate arranged in the tobacco leaf collecting box and an air supply module used for supplying air to an inner cavity of the flow guide plate; the upper end of the flow guide plate is located below the feeding port, the lower end of the flow guide plate extends downwards in an inclined mode in the direction away from the feeding port, and air holes arranged in a matrix mode are formed in the flow guide plate; and the air supply module is arranged on the bracket on the back side of the flow guide plate and is communicated with the inner cavity of the flow guide plate. According to the air floating type low-damage tobacco leaf collecting device, efficient and lossless conveying and collecting of tobacco leaves can be achieved.

Description

Technical Field

[0001] The invention belongs to the technical field of tobacco leaf processing, and in particular relates to an air-floating type low-damage tobacco leaf collecting device. Background Art

[0002] During the transportation and collection of tobacco leaves, traditional mechanical transportation methods often cause physical damage to the tobacco leaves, affecting the quality of the tobacco leaves. Traditional tobacco leaf conveying devices have the following technical pain points: on the one hand, mechanical damage, the friction and roller pressure of the belt conveyor can cause the tobacco leaf breakage rate to be as high as 8%-12%; on the other hand, stacking and squeezing, when multiple layers of tobacco leaves are piled up, indentations are generated, thus affecting the subsequent sorting accuracy. Summary of the invention

[0003] In order to overcome the deficiencies of the prior art, the present invention provides an air-floating tobacco leaf low-damage collection device, which can achieve efficient and lossless transmission and collection of tobacco leaves.

[0004] The technical solution of the present invention to solve the above technical problems is:

[0005] A low-damage air-floating tobacco collection device comprises a tobacco collection box and an air-floating conveying module arranged in the tobacco collection box, wherein the tobacco collection box is provided with a feed port; the air-floating conveying module comprises a guide plate arranged in the tobacco collection box and an air supply module for supplying air to the inner cavity of the guide plate, wherein the upper end of the guide plate is located at the feed port, and the lower end extends obliquely in a direction away from the feed port, and the guide plate is provided with air holes arranged in a matrix; the air supply module is arranged on a bracket on the back side of the guide plate, and the air supply module is connected to the inner cavity of the guide plate.

[0006] Preferably, a plurality of segmented cavities are provided in the guide plate, and each segmented cavity is connected to the air supply module via an independent air supply pipeline.

[0007] Preferably, the guide plate is provided with multiple jet pressure zones, and the air pressure ejected from the air holes in each jet pressure zone is the same; the multiple jet pressure zones correspond one-to-one to the multiple segmented cavities and are interconnected.

[0008] Preferably, the diameter of each pore is 10-20 mm; the hole spacing of each pore is 40 mm×15 mm, and each pore is arranged at an acute angle of 30°.

[0009] Preferably, an inclined pressure test plate is provided at the upper end of the guide plate, and a pressure sensor is provided on the pressure test plate.

[0010] Preferably, the lower end of the guide plate is an arc-shaped surface.

[0011] Preferably, the air floating conveying module further includes a lifting module for driving the guide plate to rise and fall, and an angle adjustment module for adjusting the inclination angle of the guide plate.

[0012] Preferably, the air supply module is a high-pressure air pump, and the air outlet of the high-pressure air pump is connected to the inlet of the diverter; the multiple outlets of the diverter are connected to each segmented cavity in the guide plate through independent air supply pipes.

[0013] Preferably, the inner wall of the tobacco collection box is covered with an elastic buffer layer, and a honeycomb sponge bottom plate is provided at the bottom.

[0014] Preferably, a transparent observation window is provided on the side wall of the tobacco collection box.

[0015] Preferably, the tobacco collection box is provided with a traction frame connected to a tobacco harvester.

[0016] Preferably, a box cover is provided on the upper side of the tobacco collection box, and the box cover is detachably connected to the box body of the tobacco collection box.

[0017] Compared with the prior art, the present invention has the following advantages and beneficial effects:

[0018] 1. The low-damage design of the air-floating tobacco leaf low-damage collection device of the present invention can reduce the physical contact of tobacco leaves, thereby reducing the breakage rate of tobacco leaves, thereby solving the problem of physical damage to tobacco leaves caused by traditional mechanical transportation.

[0019] 2. The height and guide angle of the guide plate in the air-floating tobacco leaf low-damage collection device of the present invention are adjustable, so that it can adapt to different tobacco leaf types and working conditions.

[0020] 3. The air-floating tobacco leaf low-damage collection device of the present invention optimizes the air-floating technology and mechanical structure to achieve low-damage operation of the entire process from tobacco leaf transportation to collection, and is suitable for the tobacco processing field. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic structural diagram of the tobacco leaf harvester of the present invention.

[0022] Figure 2 It is a schematic diagram of the three-dimensional structure of the air-floating tobacco leaf low-damage collection device of the present invention.

[0023] Figure 3 It is a front view of the air-floating tobacco leaf low-damage collection device of the present invention.

[0024] Figure 4 It is a side view of the air-floating tobacco leaf low-damage collection device of the present invention.

[0025] Figure 5 Schematic diagram of the structure of the guide plate.

[0026] Figure 6 This is a schematic diagram of the principle of collecting tobacco leaves using the air-floating tobacco leaf low-damage collection device of the present invention. DETAILED DESCRIPTION

[0027] The present invention is further described in detail below in conjunction with embodiments and drawings, but the embodiments of the present invention are not limited thereto.

[0028] Example 1

[0029] See also Figure 2-Figure 6 The air-floating tobacco leaf low-damage collection device of the present invention comprises a tobacco leaf collection box 105 and an air-floating conveying module arranged in the tobacco leaf collection box 105, wherein the tobacco leaf collection box 105 is provided with a feed port 107; the air-floating conveying module comprises a guide plate 106 arranged in the tobacco leaf collection box 105 and an air supply module for supplying air to the inner cavity of the guide plate 106, wherein the upper end of the guide plate 106 is located at the feed port 107, and the lower end extends obliquely in a direction away from the feed port 107, and the guide plate 106 is provided with air holes arranged in a matrix (i.e., an air hole array); the air supply module is arranged on a bracket on the back side of the guide plate 106, and the air supply module is connected to the inner cavity of the guide plate 106; a uniform air film is formed on the surface of the guide plate 106 by the air supply module to promote the suspended transportation of tobacco leaves entering from the feed port 107 to reduce friction damage.

[0030] See also Figure 2-Figure 6 , a plurality of segmented cavities are arranged in the guide plate 106, and each segmented cavity is connected to the air supply module through an independent air supply pipe 104; that is to say, a plurality of jet pressure zones are arranged on the guide plate 106, and the air pressure ejected from the air holes in each jet pressure zone is the same; through the above arrangement, the air film pressure generated by each jet pressure zone in the guide plate 106 can be adjusted, so that the tobacco leaves entering from the feed port 107 can be transported to any position at the bottom of the tobacco leaf collection box 105.

[0031] In this embodiment, the diameter of each pore in the guide plate 106 is 10-20 mm, and the hole distance between each pore is 40 mm×15 mm.

[0032] See also Figure 2-Figure 6 The pores are arranged at an acute angle of 30°. By adopting a guide structure at a specific angle, the tobacco leaves can be accurately and directional collected, thereby ensuring the integrity of the tobacco leaves and improving the sorting efficiency.

[0033] In this embodiment, the guide plate 106 adopts four-level jet pressure zones to adapt to the suspension requirements of tobacco leaves of different weights. In addition, self-compensating air film control is added in this embodiment, and a high-precision pressure sensor is set on the top of the guide plate 106 to provide real-time feedback to adjust the air pump output.

[0034] See also Figure 2-Figure 6 The upper end of the guide plate 106 is provided with an inclined pressure test plate 108, and the pressure test plate 108 is provided with a pressure sensor for real-time monitoring the pressure and air film pressure applied by the tobacco leaves to the pressure test plate 108, and uploading the detected pressure value to the controller. The controller automatically adjusts the airflow intensity through the air pump flow valve to ensure that tobacco leaves of different weights can be stably suspended.

[0035] See also Figure 2-Figure 6 The lower end of the guide plate 106 is an arc-shaped surface, which can disperse the concentrated impact of the tobacco leaves when they fall, and guide the tobacco leaves to slide into the tobacco collection box 105 at a specific inclination angle, so as to avoid direct collision, thereby avoiding local accumulation and causing tobacco leaf breakage.

[0036] See also Figure 2-Figure 6 The air flotation conveying module also includes a lifting module for driving the guide plate 106 to rise and fall, and an angle adjustment module for adjusting the inclination angle of the guide plate 106, wherein the lifting module can drive the guide plate 106 to rise and fall, so as to adapt to tobacco leaves of different thicknesses, thereby avoiding the stacking and squeezing of tobacco leaves; similarly, the angle adjustment module is used to adjust the angle of the guide plate 106, which can also adapt to tobacco leaves of different thicknesses, thereby avoiding the stacking and squeezing of tobacco leaves.

[0037] See also Figure 2-Figure 6 The inner wall of the tobacco collection box 105 is covered with an elastic buffer layer (such as a silicone corrugated pad), and a honeycomb sponge bottom plate is arranged at the bottom to absorb the impact force generated when the tobacco leaves fall; a transparent observation window is opened on the side wall of the box to facilitate real-time monitoring of the collection status of the tobacco leaves.

[0038] See also Figure 2-Figure 6 The air supply module is a high-pressure air pump 102, and the air outlet of the high-pressure air pump 102 is connected to the inlet of the diverter 103; the multiple outlets of the diverter 103 are connected to each segmented cavity in the guide plate 106 through independent air supply pipes 104.

[0039] See also Figure 2-Figure 6 The tobacco collection box 105 is provided with a traction frame 101 connected to a tobacco harvester, and the tobacco collection device 1 of the present invention is installed in the tobacco harvester through the traction frame 101; for this purpose, the bottom of the tobacco collection box 105 is also provided with walking wheels.

[0040] See also Figure 2-Figure 6 A box cover is provided on the upper side of the tobacco collection box 105, and the box cover is detachably connected to the box body of the tobacco collection box 105. The box cover can be opened through the detachable structure, and then the tobacco collected in the box body can be taken out.

[0041] See also Figure 2-Figure 6 The working principle of the air-floating tobacco leaf low-damage collection device of the present invention is:

[0042] First, the tobacco harvester drives into the continuous tobacco field, and the tobacco plants pass through the middle of the gantry in the tobacco harvester. The double-row corrugated harvesting knife group in the tobacco harvester simulates manual picking, and the mature tobacco leaves are layered and peeled off from the bottom to the top; the harvested tobacco leaves fall to the horizontal belt in the double-sided Z-shaped frameless conveyor belt to complete the tobacco leaf collection;

[0043] Subsequently, the high-pressure air pump 102 is started to supply air to each segmented cavity in the guide plate 106; each segmented cavity sprays a uniform airflow to the surface of the guide plate 106 through the air hole array (the air holes are arranged at an acute angle) inside the cavity, thereby forming a stable air film on the surface of the guide plate 106;

[0044] Since a pressure test plate 108 is provided at the upper end of the guide plate 106, and a pressure sensor is provided on the pressure test plate 108, the pressure value of the air film is monitored in real time through the pressure sensor; according to the feedback data of the pressure sensor, the controller automatically adjusts the air flow intensity through the air pump flow valve, so as to ensure that the air film can stably support tobacco leaves of different weights and reduce the direct friction between the tobacco leaves and the guide plate 106;

[0045] When the Z-shaped frameless conveyor belt lifts the tobacco leaves to the feed port 107 in the tobacco leaf collection box 105, after the pressure is tested by the pressure sensor in the pressure test plate on the top of the guide plate 106, the tobacco leaves entering from the feed port 107 naturally fall onto the guide plate 106. Supported by the air film, the tobacco leaves are suspended above the guide plate 106, and their posture is adjusted in the air, and then they are transported to the designated location.

[0046] When tobacco leaves are conveyed by the Z-shaped frameless conveyor belt to the pressure test plate 108 above the guide plate 106, the uniform airflow combined with the guide angle of the guide plate 106 can control the sliding trajectory and posture of the tobacco leaves; wherein the specific angle design of the guide plate 106 can ensure that the tobacco leaves slide in a predetermined direction, thereby preventing the tobacco leaves from being deflected or stuck during the conveying process;

[0047] The tobacco leaves finally fall into the tobacco leaf collecting box 105 with a buffer layer. The inner wall of the tobacco leaf collecting box 105 is covered with an elastic buffer layer (such as a silicone corrugated pad), and a honeycomb sponge partition is also provided at the bottom. These designs can absorb the impact force generated when the tobacco leaves fall in layers, thereby further reducing the damage to the tobacco leaves.

[0048] The side wall of the tobacco collection box 105 is provided with a transparent observation window, so that the operator can monitor the collection status of the tobacco leaves in real time. If abnormal accumulation or tobacco leaf damage is found, the collection parameters can be adjusted in time or manual intervention can be performed.

[0049] Example 2

[0050] See also Figure 1 The tobacco leaf harvester of the present invention comprises a crawler chassis 3, a frame 5 arranged on the crawler chassis 3, a tobacco leaf harvesting device 4 arranged in the frame 5, an adjusting device 6 for adjusting the height or angle of the tobacco leaf harvesting device 4, and a conveying device 2 for conveying the tobacco leaves harvested by the tobacco leaf harvesting device 4 to the tobacco leaf collecting device 1;

[0051] In this embodiment, the conveying device 2, the crawler chassis 3, the tobacco leaf harvesting device 4, the frame 5 and the adjusting device 6 are all implemented using existing structures.

[0052] The above is a preferred embodiment of the present invention, but the embodiment of the present invention is not limited to the above content. Any other changes, modifications, substitutions, combinations, and simplifications that do not deviate from the spirit and principles of the present invention should be equivalent replacement methods and are included in the protection scope of the present invention.

Claims

1. An air-floating tobacco leaf low-damage collection device, characterized in that: It includes a tobacco collection box and an air flotation conveying module arranged in the tobacco collection box, wherein a feed port is arranged on the tobacco collection box; the air flotation conveying module includes a guide plate arranged in the tobacco collection box and an air supply module for supplying air to the inner cavity of the guide plate, wherein the upper end of the guide plate is located at the feed port, and the lower end extends obliquely in a direction away from the feed port, and the guide plate is provided with air holes arranged in a matrix; the air supply module is arranged on a bracket on the back side of the guide plate, and the air supply module is connected to the inner cavity of the guide plate.

2. The air-floating tobacco leaf low-damage collection device according to claim 1, characterized in that: A plurality of segmented cavities are arranged in the guide plate, and each segmented cavity is connected to the air supply module through an independent air supply pipeline.

3. The air-floating tobacco leaf low-damage collection device according to claim 2, characterized in that: The guide plate is provided with multiple jet pressure zones, and the air pressure ejected from the air holes in each jet pressure zone is the same; the multiple jet pressure zones correspond to the multiple segmented cavities one by one and are interconnected.

4. The air-floating tobacco leaf low-damage collection device according to claim 3, characterized in that: The diameter of each pore is 10-20 mm; the distance between each pore is 40 mm×15 mm, and each pore is arranged at an acute angle of 30°.

5. The air-floating tobacco leaf low-damage collection device according to claim 4, characterized in that: An inclined pressure test plate is provided at the upper end of the guide plate, and a pressure sensor is provided on the pressure test plate.

6. The air-floating tobacco leaf low-damage collection device according to claim 5, characterized in that: The lower end of the guide plate is an arc-shaped surface.

7. The air-floating tobacco leaf low-damage collection device according to claim 6, characterized in that: The air floating conveying module further includes a lifting module for driving the guide plate to rise and fall, and an angle adjustment module for adjusting the inclination angle of the guide plate.

8. The air-floating tobacco leaf low-damage collection device according to claim 7, characterized in that: The air supply module is a high-pressure air pump, and the air outlet of the high-pressure air pump is connected to the inlet of the diverter; the multiple outlets of the diverter are connected to each segmented cavity in the guide plate through independent air supply pipelines.

9. The air-floating tobacco leaf low-damage collection device according to claim 1, characterized in that: The inner wall of the tobacco collection box is covered with an elastic buffer layer, and a honeycomb sponge bottom plate is arranged at the bottom.

10. The air-floating tobacco leaf low-damage collection device according to claim 1, characterized in that: A transparent observation window is provided on the side wall of the tobacco collection box.

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