Tobacco crushing and screening device

Abstract

The utility model discloses a tobacco crushing and screening device which comprises a screening box with a bottom plate arranged at the bottom, and a plurality of supporting columns fixedly connected with the screening box are fixedly installed at the top of the bottom plate. The crushing barrel is fixedly mounted on the inner wall of the screen box; the vertical shaft is rotationally mounted on the inner wall of the top of the crushing cylinder and is provided with a plurality of crushing cutter wheels; the plurality of crushing cutter wheels are used for crushing tobacco leaves; the driving motor is fixedly mounted on the crushing cylinder and connected with the vertical shaft; and the driving motor is used for driving the vertical shaft and the plurality of crushing cutter wheels to rotate at a high speed. According to the tobacco crushing and screening device provided by the scheme, tobacco leaves can be fully crushed, the multi-stage screening function is achieved, tobacco leaf fragments of different sizes can be screened according to needs, and meanwhile the function of collecting and filtering dust generated in the crushing and screening process is achieved; and dust generated in the crushing and screening process can be prevented from being diffused into air in a workshop.

Description

Technical Field

[0001] The utility model belongs to the technical field of tobacco processing, and particularly relates to a tobacco crushing and screening device. Background Art

[0002] In the process of tobacco processing, a crushing and screening device is needed to crush and screen tobacco leaves. However, the existing tobacco crushing and screening devices often cannot crush the tobacco leaves sufficiently, so that more and larger leaves need to be crushed twice or even three times after screening, which is time-consuming and laborious. Moreover, the existing tobacco crushing and screening devices usually do not have the function of collecting and filtering the dust generated during the crushing and screening processes. Therefore, the dust generated during the crushing and screening processes will spread into the air in the workshop, thus causing harm to the physical health of the staff. Summary of the Utility Model

[0003] The utility model overcomes the deficiencies of the prior art and provides an implementation manner of a tobacco crushing and screening device, hoping to solve the problems that the existing tobacco crushing and screening devices cannot crush the tobacco leaves sufficiently and usually do not have the function of collecting and filtering the dust generated during the crushing and screening processes.

[0004] To solve the above technical problems, an implementation manner of the utility model adopts the following technical solutions:

[0005] A tobacco crushing and screening device includes: a screening box; a crushing cylinder fixedly installed on the inner wall of the screening box; a vertical shaft rotatably installed on the top inner wall of the crushing cylinder and provided with a plurality of crushing cutter wheels for crushing tobacco leaves; a driving motor fixedly installed on the crushing cylinder and connected to the vertical shaft, the driving motor being used to drive the vertical shaft and the plurality of crushing cutter wheels to rotate at high speed; a blanking mechanism assembled and installed at the bottom of the crushing cylinder for guiding the crushed tobacco leaves to a grading and screening mechanism; a grading and screening mechanism arranged on the inner wall of the screening box for grading and screening the crushed tobacco leaves; and a dust suction and dust collection mechanism arranged on the screening box for collecting and filtering the dust generated during the crushing and screening of tobacco leaves.

[0006] Preferably, a blanking port is formed at the bottom of the screening box, and a feeding hopper is arranged at the top of the crushing cylinder.

[0007] Preferably, the blanking mechanism includes: two vertical plates fixedly installed at the bottom of the crushing cylinder; a rotating shaft rotatably installed on one side of the two vertical plates close to each other; a baffle fixedly sleeved on the rotating shaft; a stepping motor fixedly installed at the bottom of the crushing cylinder; and two bevel gears respectively fixedly installed on the output shaft of the stepping motor and the rotating shaft and meshing with each other.

[0008] Preferably, the grading and screening mechanism includes: a plurality of support plates fixedly installed on the inner wall of the screening box; a plurality of sliding rods respectively slidably installed on the plurality of support plates and provided with limit blocks; L-shaped plates respectively fixedly installed at the tops of the plurality of sliding rods and provided with vibration motors; a plurality of springs respectively slidably sleeved on the plurality of sliding rods; and a plurality of inclined screening meshes respectively fixedly installed on the tops of the plurality of L-shaped plates.

[0009] Preferably, a plurality of discharge ports are formed in the screening box, the opening positions of the plurality of discharge ports respectively correspond to the plurality of inclined screening meshes, and guide plates are arranged on the plurality of discharge ports.

[0010] Preferably, the dust suction and dust collection mechanism includes: a dust collection box fixedly installed on the screening box and provided with a rectangular opening; a three-way pipe arranged on the top of the dust collection box; a first air duct arranged on the three-way pipe and communicated with the crushing cylinder; a second air duct arranged on the three-way pipe and communicated with the screening box; a suction fan fixedly installed on one side of the screening box and communicated with the dust collection box; a mounting plate arranged on the rectangular opening; and a dust collection cloth bag fixedly installed on one side of the mounting plate.

[0011] Preferably, a handle is fixedly installed on the mounting plate, and a plurality of wing bolts are arranged on the mounting plate, and the plurality of wing bolts are all threadedly connected with the dust collection box.

[0012] Preferably, a controller is arranged on one side of the screening box, and the controller is electrically connected with the driving motor, the stepping motor, the plurality of vibration motors and the suction fan.

[0013] Preferably, a bottom plate is arranged at the bottom of the screening box, and a plurality of columns fixedly connected with the screening box are fixedly installed on the top of the bottom plate.

[0014] Compared with the prior art, the utility model has at least the following beneficial effects: Compared with the prior art, the tobacco crushing and screening device provided by this solution has a screening box stably supported by a bottom plate and columns, ensuring the stability of the overall structure; a crushing cylinder fixedly installed on the inner wall, with a plurality of crushing cutter wheels driven by a vertical shaft to rotate, realizing the efficient crushing of tobacco leaves; a feeding mechanism arranged at the bottom of the crushing cylinder, accurately guiding the crushed tobacco leaves into the grading and screening mechanism, and performing fine grading according to the particle size of the tobacco leaves; and the grading and screening mechanism arranged on the inner wall of the screening box further ensures the uniformity of the product quality; particularly importantly, the dust suction and dust collection mechanism equipped with the device effectively collects and filters the dust generated during the crushing and screening process, greatly improving the working environment and reducing air pollution. In summary, through the optimized structural design, the device not only improves the automation level of tobacco processing, but also significantly enhances the environmental protection of the production process, and has remarkable use value and market potential. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is the front view structural schematic diagram of a tobacco crushing and screening device provided by the present utility model;

[0016] Figure 2 is Figure 1 the three-dimensional structural schematic diagram of the inclined screen mesh in

[0017] Figure 3 is Figure 1 the enlarged structural schematic diagram of part A shown in

[0018] Figure 4 is Figure 1 the enlarged structural schematic diagram of part B shown in

[0019] The serial numbers in the figure are as follows: 1. Screen box; 2. Bottom plate; 3. Crushing cylinder; 4. Vertical shaft; 5. Crushing cutter wheel; 6. Driving motor; 7. Feeding port; 8. Feeding hopper; 9. Vertical plate; 10. Rotating shaft; 11. Baffle plate; 12. Stepping motor; 13. Bevel gear; 14. Support plate; 15. Sliding rod; 16. Limiting block; 17. Spring; 18. L-shaped plate; 19. Inclined screen mesh; 20. Discharge port; 21. Vibration motor; 22. Guide plate; 23. Dust collection box; 24. Three-way pipe; 25. First air duct; 26. Second air duct; 27. Exhaust fan; 28. Mounting plate; 29. Dust collection cloth bag; 30. Handle; 31. Wing nut. Specific embodiments

[0020] In order to make the purpose, technical solutions and advantages of the present utility model clearer, the present utility model will be further described in detail below with reference to the embodiments. It should be understood that the specific embodiments described herein are only used to explain the present utility model and are not used to limit the present utility model.

[0021] The embodiment of the present utility model provides a tobacco crushing and screening device, as Figures 1-4 shown, the tobacco crushing and screening device includes: a screen box 1 with a bottom plate 2 provided at the bottom, and a plurality of columns fixedly installed on the top of the bottom plate 2 and fixedly connected to the screen box 1; a crushing cylinder 3 fixedly installed on the inner wall of the screen box 1; a vertical shaft 4 rotatably installed on the inner wall of the top of the crushing cylinder 3 and provided with a plurality of crushing cutter wheels 5, and the plurality of crushing cutter wheels 5 are used for crushing tobacco leaves; a driving motor 6 fixedly installed on the crushing cylinder 3 and connected to the vertical shaft 4, and the driving motor 6 is used to drive the vertical shaft 4 and the plurality of crushing cutter wheels 5 to rotate at high speed; a feeding mechanism assembled at the bottom of the crushing cylinder 3, and the feeding mechanism is used to guide the crushed tobacco leaves to the grading and screening mechanism; a grading and screening mechanism provided on the inner wall of the screen box 1, and the grading and screening mechanism is used to grade and screen the crushed tobacco leaves; a dust collection and dust removal mechanism provided on the screen box 1, and the dust collection and dust removal mechanism is used to collect and filter the dust generated during the crushing and screening of tobacco leaves.

[0022] In this embodiment, the sieve box 1 with a bottom plate 2 and struts is stably supported to ensure the stability of the overall structure; the crushing cylinder 3 fixedly installed on the inner wall, which is internally provided with a plurality of crushing cutter wheels 5 driven by a vertical shaft 4 to achieve efficient crushing of tobacco leaves; the feeding mechanism arranged at the bottom of the crushing cylinder 3, which accurately guides the crushed tobacco leaves into the grading and screening mechanism to conduct fine grading according to the particle size of the tobacco leaves; and the grading and screening mechanism arranged on the inner wall of the sieve box 1 further ensures the uniformity of the product quality; particularly importantly, the dust collection and dust removal mechanism equipped in the device effectively collects and filters the dust generated during the crushing and screening process, greatly improves the working environment, reduces air pollution. To sum up, through the optimized structural design, the device not only improves the automation level of tobacco processing, but also significantly enhances the environmental protection of the production process, and has significant use value and market potential.

[0023] In a further preferred embodiment of the present utility model, a discharge port 7 is opened at the bottom of the sieve box 1, and a feeding hopper 8 is arranged at the top of the crushing cylinder 3.

[0024] In this embodiment, the smallest tobacco leaf fragments after screening can be taken through the discharge port 7, and the uncrushed tobacco leaves can be put into the crushing cylinder 3 through the feeding hopper 8.

[0025] In a further preferred embodiment of the present utility model, the feeding mechanism includes: two vertical plates 9 fixedly installed at the bottom of the crushing cylinder 3; a rotating shaft 10 rotatably installed on one side of the two vertical plates 9 close to each other; a baffle plate 11 fixedly sleeved on the rotating shaft 10; a stepping motor 12 fixedly installed at the bottom of the crushing cylinder 3; and two bevel gears 13 respectively fixedly installed on the output shaft of the stepping motor 12 and the rotating shaft 10 and meshing with each other.

[0026] In this embodiment, the bottom of the crushing cylinder 3 can be blocked by the baffle plate 11 to control the outflow amount of the crushed tobacco leaves in the crushing cylinder 3, so that the tobacco leaves can be fully crushed in the crushing cylinder 3. After the crushing is completed, the stepping motor 12 and the two bevel gears 13 drive the rotating shaft 10 and the baffle plate 11 to rotate, so as to adjust the baffle plate 11 to a vertical state, so that the crushed tobacco leaf fragments in the crushing cylinder 3 fall onto the inclined screen 19.

[0027] In a further preferred embodiment of the present utility model, the grading and screening mechanism includes: a plurality of support plates 14 fixedly installed on the inner wall of the sieve box 1; a plurality of sliding rods 15 respectively slidably installed on the plurality of support plates 14 and provided with limit blocks 16; L-shaped plates 18 respectively fixedly installed at the tops of the plurality of sliding rods 15 and provided with vibration motors 21; a plurality of springs 17 respectively slidably sleeved on the plurality of sliding rods 15; and a plurality of inclined screens 19 respectively fixedly installed at the tops of the plurality of L-shaped plates 18.

[0028] In this embodiment, multiple vibration motors 21 can drive multiple L-shaped plates 18 and multiple inclined screens 19 to vibrate. The crushed tobacco leaves fall onto the multiple inclined screens 19 in sequence at the baffle 11 and vibrate, so as to classify and screen the crushed tobacco leaf fragments.

[0029] In a further preferred embodiment of the present utility model, a plurality of discharge ports 20 are formed on the screen box 1, the opening positions of the plurality of discharge ports 20 respectively correspond to the plurality of inclined screens 19, and guide plates 22 are arranged on the plurality of discharge ports 20.

[0030] In this embodiment, through the plurality of discharge ports 20 and the plurality of guide plates 22, tobacco leaf fragments of various different sizes after classification and screening can be discharged to the outside of the screen box 1.

[0031] In a further preferred embodiment of the present utility model, the dust collection mechanism includes: a dust collection box 23 fixedly installed on the screen box 1 and having a rectangular opening; a three-way pipe 24 arranged on the top of the dust collection box 23; a first air duct 25 arranged on the three-way pipe 24 and communicated with the crushing cylinder 3; a second air duct 26 arranged on the three-way pipe 24 and communicated with the screen box 1; a suction fan 27 fixedly installed on one side of the screen box 1 and communicated with the dust collection box 23; a mounting plate 28 arranged on the rectangular opening; and a dust collection cloth bag 29 fixedly installed on one side of the mounting plate 28.

[0032] In this embodiment, when the suction fan 27 operates, the dust in the screen box 1 and the crushing cylinder 3 can enter the dust collection box 23 along the first air duct 25, the second air duct 26 and the three-way pipe 24. The dust can be filtered and collected through the dust collection cloth bag 29, and the filtered air is discharged along the exhaust port of the suction fan 27. The dust cloth bag can be taken out through the mounting plate 28 to clean the dust cloth bag.

[0033] In a further preferred embodiment of the present utility model, a handle 30 is fixedly installed on the mounting plate 28, and a plurality of wing bolts 31 are arranged on the mounting plate 28, and the plurality of wing bolts 31 are all threadedly connected with the dust collection box 23.

[0034] In this embodiment, through the plurality of wing bolts 31, the mounting plate 28 can be fixed on the dust collection box 23, so as to fix the dust collection cloth bag 29 on the mounting plate 28 and seal the dust collection cloth bag 29 inside the dust collection box 23.

[0035] In a further preferred embodiment of the present utility model, a controller is arranged on one side of the screen box 1, and the controller is electrically connected to the drive motor 6, the stepping motor 12, the multiple vibration motors 21 and the suction fan 27.

[0036] In this embodiment, the controller can be used to operate and control the drive motor 6, the stepper motor 12, a plurality of vibration motors 21, and the exhaust fan 27.

[0037] In summary, compared with the related art, the present device can not only fully crush the tobacco leaves, but also has a multi-stage screening function, can screen tobacco leaf fragments of different sizes according to needs, and also has the function of collecting and filtering the dust generated during the crushing and screening processes, which can prevent the dust generated during the crushing and screening processes from spreading into the air in the workshop.

[0038] Although the present invention has been described herein with reference to illustrative embodiments thereof, it should be understood that those skilled in the art can design many other modifications and embodiments that will fall within the scope and spirit of the principles disclosed in this application. More specifically, within the scope of the disclosure of this application, various variations and improvements can be made to the components and / or layout of the subject combination layout. In addition to the variations and improvements made to the components and / or layout, other uses will also be apparent to those skilled in the art.

Claims

1. A tobacco crushing and screening device, characterized in that, Comprising: Screen box; A crushing cylinder fixedly installed on the inner wall of the screen box; A vertical shaft rotatably installed on the inner wall of the top of the crushing cylinder and provided with a plurality of crushing cutter wheels, and the plurality of crushing cutter wheels are used for crushing tobacco leaves; A driving motor fixedly installed on the crushing cylinder and connected to the vertical shaft, and the driving motor is used to drive the vertical shaft and a plurality of crushing cutter wheels to rotate at high speed; A feeding mechanism assembled and installed at the bottom of the crushing cylinder, and the feeding is used to guide the crushed tobacco leaves to a grading and screening mechanism; A grading and screening mechanism arranged on the inner wall of the screen box, and the grading and screening mechanism is used for grading and screening the crushed tobacco leaves; A dust suction and collection mechanism arranged on the screen box, and the dust suction and collection mechanism is used for collecting and filtering the dust generated during the crushing and screening of tobacco leaves.

2. The tobacco crushing and screening device according to claim 1, wherein A feeding port is formed at the bottom of the screen box, and a feeding hopper is arranged at the top of the crushing cylinder, and the feeding hopper is communicated with the crushing cylinder.

3. The tobacco crushing and screening device according to claim 1, characterized in that, The feeding mechanism includes: Two vertical plates fixedly installed at the bottom of the crushing cylinder; A rotating shaft rotatably installed on one side where the two vertical plates are close to each other; A baffle fixedly sleeved on the rotating shaft; A stepping motor fixedly installed at the bottom of the crushing cylinder; Two bevel gears respectively fixedly installed on the output shaft of the stepping motor and the rotating shaft and meshing with each other.

4. The tobacco crushing and screening device according to claim 3, characterized in that, The grading and screening mechanism includes: A plurality of support plates fixedly installed on the inner wall of the screen box; A plurality of sliding rods respectively slidably installed on the plurality of support plates and provided with limit blocks; L-shaped plates respectively fixedly installed at the tops of the plurality of sliding rods and provided with vibration motors; A plurality of springs respectively slidably sleeved on the plurality of sliding rods; A plurality of inclined screen meshes respectively fixedly installed at the tops of the plurality of L-shaped plates.

5. The tobacco crushing and screening device according to claim 4, characterized in that, A plurality of discharge ports are formed on the screen box, and the opening positions of the plurality of discharge ports respectively correspond to the plurality of inclined screen meshes, and guide plates are arranged on the plurality of discharge ports.

6. The tobacco crushing and screening device according to claim 4, characterized in that, The dust suction and collection mechanism includes: A dust collection box fixedly installed on the screen box and provided with a rectangular opening; A tee pipe arranged on the top of the dust collection box; A first air duct arranged on the tee pipe and communicated with the crushing cylinder; A second air duct arranged on the tee pipe and communicated with the screen box; A suction fan fixedly installed on one side of the screen box and communicated with the dust collection box; A mounting plate arranged on the rectangular opening; A dust collection cloth bag fixedly installed on one side of the mounting plate.

7. The tobacco crushing and screening device according to claim 6, characterized in that, A handle is fixedly installed on the mounting plate, and a plurality of wing bolts are arranged on the mounting plate, and the plurality of wing bolts are all threadedly connected with the dust collection box.

8. The tobacco crushing and screening device according to claim 6, wherein, A controller is arranged on one side of the screen box, and the controller is electrically connected to the driving motor, the stepping motor, the plurality of vibration motors and the suction fan.

9. The tobacco crushing and screening device according to claim 1, characterized in that, A bottom plate is arranged at the bottom of the screen box, and a plurality of columns fixedly connected with the screen box are fixedly installed on the top of the bottom plate.

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