Tobacco shred cleaning device
The cleaning device, which combines a negative pressure hood and a suction fan, uses a cleaning brush and a cyclone separator to separate and collect the tobacco shreds on the screen, solving the problem of incomplete cleaning by brushes and achieving a highly efficient tobacco shred cleaning effect.
Patent Information
- Application Number
- CN202520340922.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-28
- Publication Date
- 2026-02-06
- Estimated Expiration
- 2035-02-28
AI Technical Summary
In existing technologies, cleaning a vibrating screen solely with a brush is not ideal, resulting in incomplete cleaning of the tobacco.
The system employs a combination of a negative pressure hood, a cleaning brush, and a suction fan. The cleaning brush on the negative pressure hood cleans the tobacco shreds on the screen, while the suction fan uses a cyclone separator and a hose to create negative pressure to suck up the tobacco shreds, achieving multiple cleaning processes.
It effectively separates and collects tobacco shreds on the screen, avoiding the problem of unsatisfactory cleaning effect of a single brush, and improving cleaning efficiency and thoroughness.
Smart Images

Figure CN223875511U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of cleaning device, more specifically, relate to a tobacco shred cleaning device. BACKGROUND
[0002] In tobacco production, it is necessary to screen tobacco shreds by a vibrating screen. After the screening work is completed, part of the tobacco shreds will be left on the horizontally arranged screen of the vibrating screen, which needs to be cleaned. At present, the screen is usually cleaned by a brush, and the effect of cleaning the screen by a single brush is not ideal. UTILITARY MODEL
[0003] The utility model aims at providing a tobacco shred cleaning device, which aims to solve the problem of the effect of cleaning the screen by a single brush being not ideal.
[0004] To achieve the above-mentioned purpose, the utility model adopts the technical scheme of providing a tobacco shred cleaning device, which comprises a support, a negative pressure cover, a first hose, a cyclone separator, a suction fan, a connecting frame and a plurality of cleaning brushes. The negative pressure cover is located above the screen in the vibrating screen and has an open end at the lower end, and the negative pressure cover is slidingly connected with the support along a first horizontal direction. One end of the first hose is fixedly connected with the top of the negative pressure cover and communicates with the negative pressure cover. The air inlet pipe of the cyclone separator is connected with the other end of the first hose. The air suction port of the suction fan communicates with the air outlet pipe of the cyclone separator. The connecting frame is located in the negative pressure cover and is fixedly connected with the negative pressure cover. A plurality of cleaning brushes are arranged in sequence along a second horizontal direction, the second horizontal direction is perpendicular to the first horizontal direction, the cleaning brushes are connected with the connecting frame, and the bristles on the cleaning brushes extend downward out of the open end of the negative pressure cover, so that the bristles can clean the screen.
[0005] In a possible implementation manner, the tobacco shred cleaning device further comprises two connecting units, the two connecting units are respectively located on both sides of the screen along the second horizontal direction, and the connecting unit comprises a first fixing frame, a first guide rail, a first sliding block and a first driving assembly. The first fixing frame is fixedly arranged on the support. The first guide rail is arranged along the first horizontal direction and is fixedly arranged on the first fixing frame. The first sliding block is slidingly connected with the first guide rail, and the first sliding block is connected with the negative pressure cover. The first driving assembly is used for driving the first sliding block to slide.
[0006] In a possible implementation, the first sliding block is provided with a first threaded hole, an axis line direction of the first threaded hole is arranged along the first horizontal direction, and the first driving assembly comprises a first driving lead screw and a first driving motor. The first driving lead screw is threadedly connected in the first threaded hole, and the first driving lead screw is rotationally connected with the first fixed frame. The first driving motor is fixed on the first fixed frame, and an output shaft of the first driving motor is connected with one end of the first driving lead screw.
[0007] In a possible implementation, the connecting unit further comprises a second fixed frame, a second guide rail, a second sliding block and a second driving assembly. The second fixed frame is fixedly connected with the first sliding block. The second guide rail is vertically arranged and fixedly connected with the second fixed frame. The second sliding block is slidingly connected on the second guide rail, and the second sliding block is fixedly connected with the negative pressure cover. The second driving assembly is used for driving the second sliding block to slide.
[0008] In a possible implementation, the second sliding block is provided with a second threaded hole, an axis line direction of the second threaded hole is vertically arranged, and the second driving assembly comprises a second driving lead screw and a second driving motor. The second driving lead screw is threadedly connected in the second threaded hole, and the second driving lead screw is rotationally connected with the second fixed frame. The second driving motor is fixed on the second fixed frame, and an output shaft of the second driving motor is connected with one end of the second driving lead screw.
[0009] In a possible implementation, the cleaning brush is fixed with a vertically arranged rotating shaft, and the rotating shaft is rotationally connected with the connecting frame. The tobacco cleaning device further comprises a third driving motor. The third driving motor is located in the negative pressure cover and fixedly connected with the connecting frame, and an output shaft of the third driving motor is vertically arranged. Each of the rotating shafts and the output shaft of the third driving motor is fixed with a transmission wheel, and a transmission belt is sleeved on any two adjacent transmission wheels.
[0010] In a possible implementation, the tobacco cleaning device further comprises a collecting cylinder. The collecting cylinder is connected with the dust outlet of the cyclone separator, so that the exhaust outlet of the cyclone separator is in communication with the collecting cylinder.
[0011] In a possible implementation, the collecting cylinder is arranged in a split manner and comprises a cylinder body, a cover plate and a clamp. An upper end of the cylinder body is an open end, and the upper end of the cylinder body is provided with an outwardly folded edge. The cover plate is covered on an upper end surface of the cylinder body, the cover plate is fixedly connected with the dust outlet of the cyclone separator, and the cover plate is provided with a butt joint hole in communication with the dust outlet of the cyclone separator. The clamp is arranged outside the cover plate and the folded edge, so that the cover plate is connected with the folded edge.
[0012] In one possible implementation, the tobacco cleaning device further includes a support frame. The support frame supports the cylinder and has multiple vertically arranged limiting posts evenly distributed around the circumference of the cylinder to limit its movement.
[0013] In one possible implementation, the tobacco cleaning device further includes a second flexible hose. One end of the second flexible hose is connected to the exhaust pipe of the cyclone separator, and the other end is connected to the air intake of the suction fan.
[0014] In this embodiment, when the cleaning brush moves along the first horizontal direction with the negative pressure hood, the bristles of the multiple cleaning brushes clean the tobacco on the screen, causing the tobacco to separate from the screen. At the same time, the suction fan draws air from the negative pressure hood through the cyclone separator and the first flexible hose, and the resulting negative pressure can suck up the tobacco on the screen, thereby avoiding the problem that cleaning the screen by brush alone is not very effective. Attached Figure Description
[0015] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0016] Figure 1 This is a schematic diagram of the structure of the tobacco cleaning device provided in an embodiment of the present utility model;
[0017] Figure 2 for Figure 1 A magnified structural diagram of part A in the diagram;
[0018] Figure 3 for Figure 1 A magnified structural diagram of part B in the diagram;
[0019] Figure 4 for Figure 1 A magnified structural diagram of a portion of C in the diagram;
[0020] Figure 5 This is a schematic diagram of the structure of the cylinder in the tobacco cleaning device provided in this embodiment of the utility model;
[0021] Figure 6 A schematic diagram of the structure of the cyclone separator and the cover plate in the tobacco cleaning device provided in this embodiment of the utility model;
[0022] Figure 7 A schematic diagram of the structure of the second fixing frame and some components in the tobacco cleaning device provided in this embodiment of the utility model;
[0023] Figure 8 The structure schematic view of the negative pressure cover in the tobacco cleaning device provided by the embodiment of the utility model after being connected with part components is provided;
[0024] Figure 9 The first angle structure schematic view of the connecting frame in the tobacco cleaning device provided by the embodiment of the utility model after being connected with part components is provided;
[0025] Figure 10 The second angle structure schematic view of the connecting frame in the tobacco cleaning device provided by the embodiment of the utility model after being connected with part components is provided;
[0026] Figure 11 The structure schematic view of the first fixing frame in the tobacco cleaning device provided by the embodiment of the utility model after being connected with part components is provided.
[0027] In the drawing: 1, support; 2, negative pressure cover; 3, first hose; 4, cyclone separator; 5, air suction fan; 6, connecting frame; 7, cleaning brush; 71, brush hair; 701, rotating shaft; 81, first fixing frame; 82, first guide rail; 83, first sliding block; 84, first drive assembly; 841, first drive lead screw; 842, first drive motor; 85, second fixing frame; 86, second guide rail; 87, second sliding block; 88, second drive assembly; 881, second drive lead screw; 882, second drive motor; 9, third drive motor; 10, transmission wheel; 110, transmission belt; 120, collecting cylinder; 1201, cylinder body; 12011, folded edge; 1202, cover plate; 12021, butt joint hole; 1203, clamp; 130, supporting frame; 1301, limiting column; 140, second hose; 150, screen. DETAILED DESCRIPTION
[0028] In order to make the technical problems, technical solutions and beneficial effects of the utility model to be solved clearer and more apparent, the utility model will be further described in detail below in combination with the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the utility model and are not used to limit the utility model.
[0029] It should be further explained that the drawings and embodiments of the utility model mainly describe and explain the concept of the utility model, and on the basis of the concept, the specific forms and settings of some connection relationships, position relationships, power mechanisms, power supply systems, hydraulic systems and control systems may not be completely described, but under the premise that the person skilled in the art understands the concept of the utility model, the person skilled in the art can use the well-known way to realize the above-mentioned specific forms and settings.
[0030] When an element is referred to as being "on" or "connected to" another element, it can be directly on or connected to the other element or indirectly on or connected to the other element by intervening elements.
[0031] The terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like, indicate orientations or positional relationships based on the orientations or positional relationships as shown in the drawings, and are merely used for convenience in describing the present application and simplifying the description, and do not indicate or imply that a referred element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.
[0032] The terms "second", "second", are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "second", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "multiple" is two or more, and the meaning of "several" is one or more, unless otherwise explicitly specified.
[0033] Please refer to Figure 1 , Figure 8 and Figure 10 , the tobacco cleaning device provided by the present application will be described. The tobacco cleaning device, support 1, negative pressure cover 2, first hose 3, cyclone separator 4, suction fan 5, connecting frame 6 and multiple cleaning brushes 7. The negative pressure cover 2 is located above the screen 150 in the vibrating screen and the lower end is an open end, the negative pressure cover 2 is slidingly connected with the support 1 along the first horizontal direction. One end of the first hose 3 is fixedly connected with the top of the negative pressure cover 2 and communicates with the negative pressure cover 2. The air inlet pipe of the cyclone separator 4 is connected with the other end of the first hose 3. The suction port of the suction fan 5 communicates with the exhaust pipe of the cyclone separator 4. The connecting frame 6 is located in the negative pressure cover 2 and is fixedly connected with the negative pressure cover 2. Multiple cleaning brushes 7 are arranged in sequence along the second horizontal direction, the second horizontal direction is perpendicular to the first horizontal direction, the cleaning brush 7 is connected with the connecting frame 6 and the bristles 71 on the cleaning brush 7 extend out of the open end of the negative pressure cover 2 downward, so that the bristles 71 can clean the screen 150.
[0034] Compared with the prior art, when the cleaning brush 7 moves along the first horizontal direction with the negative pressure cover 2, the bristles 71 of the plurality of cleaning brushes 7 clean the tobacco on the screen 150, so that the tobacco is separated from the screen 150, and simultaneously, the air suction machine 5 extracts the air in the negative pressure cover 2 through the cyclone separator 4 and the first hose 3, negative pressure formed by the air suction machine 5 can suck the tobacco on the screen 150, thereby avoiding the problem that the effect of cleaning the screen 150 by the single brush is not ideal.
[0035] In the embodiment, after the air suction machine 5 is started, the airflow formed carries the tobacco into the cyclone separator 4 through the first hose 3, and the tobacco in the airflow is separated out in the cyclone separator 4 and discharged from the dust discharge port of the cyclone separator 4.
[0036] In some embodiments, referring to Figure 1 、 Figure 3 and Figure 11 , the tobacco cleaning device further comprises two connecting units, the two connecting units are located on two sides of the screen 150 along the second horizontal direction, and the connecting unit comprises a first fixing frame 81, a first guide rail 82, a first sliding block 83 and a first driving assembly 84. The first fixing frame 81 is fixedly arranged on the support 1. The first guide rail 82 is arranged along the first horizontal direction and is fixedly arranged on the first fixing frame 81. The first sliding block 83 is slidingly connected to the first guide rail 82, and the first sliding block 83 is connected to the negative pressure cover 2. The first driving assembly 84 is used for driving the first sliding block 83 to slide. The sliding connection between the negative pressure cover 2 and the support 1 is indirectly realized through the sliding cooperation between the first sliding block 83 and the first guide rail 82. When the first driving assembly 84 drives the first sliding block 83 to move, the negative pressure cover 2 connected to the first sliding block 83 can move with the first sliding block 83.
[0037] In some embodiments, referring to Figure 11 , the first sliding block 83 is provided with a first threaded hole, the axis line direction of the first threaded hole is arranged along the first horizontal direction, and the first driving assembly 84 comprises a first driving lead screw 841 and a first driving motor 842. The first driving lead screw 841 is threadedly connected in the first threaded hole, and the first driving lead screw 841 is rotationally connected to the first fixing frame 81. The first driving motor 842 is fixedly arranged on the first fixing frame 81, and the output shaft of the first driving motor 842 is connected to one end of the first driving lead screw 841. The output shaft of the first driving motor 842 drives the first driving lead screw 841 to rotate, so that the first sliding block 83 threadedly connected to the first driving lead screw 841 slides.
[0038] In some embodiments, referring to Figure 1 、 Figure 3 、 Figure 4 and Figure 7The connecting unit further comprises a second fixing frame 85, a second guide rail 86, a second sliding block 87 and a second driving assembly 88. The second fixing frame 85 is fixedly connected with the first sliding block 83. The second guide rail 86 is vertically arranged and fixedly connected with the second fixing frame 85. The second sliding block 87 is slidingly connected on the second guide rail 86, and the second sliding block 87 is fixedly connected with the negative pressure cover 2. The second driving assembly 88 is used for driving the second sliding block 87 to slide. The first sliding block 83 is indirectly connected with the negative pressure cover 2 through the second fixing frame 85, the second guide rail 86 and the second sliding block 87. The height of the negative pressure cover 2 fixedly connected with the second sliding block 87 can be adjusted by driving the second sliding block 87 to slide through the second driving assembly 88, until the cleaning brush 7 is adjusted to a proper height, so that when the negative pressure cover 2 moves along the first horizontal direction, the bristles 71 of the cleaning brush 7 can clean the screen 150.
[0039] In some embodiments, referring to Figure 7 The second sliding block 87 is provided with a second threaded hole, the axial line direction of the second threaded hole is vertically arranged, and the second driving assembly 88 comprises a second driving lead screw 881 and a second driving motor 882. The second driving lead screw 881 is threadedly connected in the second threaded hole, and the second driving lead screw 881 is rotationally connected with the second fixing frame 85. The second driving motor 882 is fixedly arranged on the second fixing frame 85, and an output shaft of the second driving motor 882 is connected with one end of the second driving lead screw 881. The output shaft of the second driving motor 882 drives the second driving lead screw 881 to rotate, so that the second sliding block 87 threadedly connected with the second driving lead screw 881 slides.
[0040] In some embodiments, referring to Figure 9 and Figure 10 The cleaning brush 7 is fixedly provided with a vertically arranged rotating shaft 701, and the rotating shaft 701 is rotationally connected with the connecting frame 6. The tobacco cleaning device further comprises a third driving motor 9. The third driving motor 9 is located in the negative pressure cover 2 and fixedly connected with the connecting frame 6, and an output shaft of the third driving motor 9 is vertically arranged. One transmission wheel 10 is fixedly arranged on each rotating shaft 701 and the output shaft of the third driving motor 9. A transmission belt 110 is sleeved on any two adjacent transmission wheels 10. The output shaft of the third driving motor 9 drives the rotating shaft 701 to rotate through the transmission cooperation of the transmission belt 110 and the transmission wheel 10, so as to drive the cleaning brush 7 to rotate. While the negative pressure cover 2 drives the cleaning brush 7 to move along the first horizontal direction, the cleaning brush 7 can also clean the tobacco on the screen 150 through its rotation. In this embodiment, the cleaning brush 7 can adopt a disc brush.
[0041] In some embodiments, referring to Figure 1 and Figure 2The tobacco cleaning device further comprises a collecting cylinder 120. The collecting cylinder 120 is connected with the dust outlet of the cyclone separator 4, so that the exhaust outlet of the cyclone separator 4 is communicated with the inside of the collecting cylinder 120. The separated tobacco enters the collecting cylinder 120 through the dust outlet of the cyclone separator 4, so that the separated tobacco is collected.
[0042] In some embodiments, referring to Figure 2 , Figure 5 and Figure 6 , the collecting cylinder 120 is separately arranged and comprises a cylinder body 1201, a cover plate 1202 and a clamp 1203. The upper end of the cylinder body 1201 is an open end, and the upper end of the cylinder body 1201 has an outward folded edge 12011. The cover plate 1202 is covered on the upper end surface of the cylinder body 1201, and the cover plate 1202 is fixedly connected with the dust outlet of the cyclone separator 4. The cover plate 1202 is provided with a butt joint hole 12021 which is communicated with the dust outlet of the cyclone separator 4. The clamp 1203 is clamped outside the cover plate 1202 and the folded edge 12011, so that the cover plate 1202 is connected with the folded edge 12011. The dust outlet of the cyclone separator 4 is communicated with the inside of the collecting cylinder 120 through the butt joint hole 12021. After the clamp 1203 is removed, the connection between the cover plate 1202 and the folded edge 12011 is disconnected, so that the tobacco in the cylinder body 1201 can be taken out.
[0043] In some embodiments, referring to Figure 1 and Figure 2 , the tobacco cleaning device further comprises a supporting frame 130. The supporting frame 130 is used for supporting the cylinder body 1201, and the supporting frame 130 has a plurality of vertical limiting columns 1301 which are uniformly distributed around the circumference of the cylinder body 1201 to limit the cylinder body 1201, so that the position of the collecting cylinder 120 can be limited.
[0044] In some embodiments, referring to Figure 1 , the tobacco cleaning device further comprises a second hose 140. One end of the second hose 140 is connected with the exhaust pipe of the cyclone separator 4, and the other end is connected with the suction port of the suction fan 5. The suction port of the suction fan 5 is communicated with the exhaust pipe of the cyclone separator 4 through the second hose 140. When the clamp 1203 is removed, the cyclone separator 4 and the cover plate 1202 can be taken off from the cylinder body 1201.
[0045] The above merely describes the preferred embodiments of the present application and is not used to limit the present application. Any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims
1. A tobacco cleaning device, characterised in that, The device comprises: a support; a negative pressure cover located above the screen in the vibrating screen and having an open lower end, the negative pressure cover being slidingly connected to the support along a first horizontal direction; a first hose having one end fixedly connected to the top of the negative pressure cover and being in communication with the negative pressure cover; a cyclone separator having an air inlet pipe connected to the other end of the first hose; and a suction fan having a suction port in communication with an air outlet pipe of the cyclone separator; a connecting frame located in the negative pressure cover and fixedly connected to the negative pressure cover; a plurality of cleaning brushes arranged in sequence along a second horizontal direction perpendicular to the first horizontal direction, the cleaning brushes being connected to the connecting frame and the bristles on the cleaning brushes extending downward out of the open end of the negative pressure cover so that the bristles can clean the screen. The device further comprises two connecting units, each of which is located on the two sides of the screen along the second horizontal direction, and each of the connecting units comprises:
2. A tobacco cleaning device as claimed in claim 1, characterised in that, a first fixed frame fixedly arranged on the support; a first guide rail arranged along the first horizontal direction and fixedly arranged on the first fixed frame; a first sliding block slidingly connected to the first guide rail, the first sliding block being connected to the negative pressure cover; a first driving assembly for driving the first sliding block to slide. The first sliding block is provided with a first threaded hole, the axis of the first threaded hole being arranged along the first horizontal direction, and the first driving assembly comprises:
3. A tobacco cleaning device as claimed in claim 2, characterised in that, a first driving lead screw threadedly connected to the first threaded hole, the first driving lead screw being rotatably connected to the first fixed frame; a first driving motor fixedly arranged on the first fixed frame, an output shaft of the first driving motor being connected to one end of the first driving lead screw. The connecting unit further comprises:
4. A tobacco cleaning device as claimed in claim 2, characterised in that a second fixed frame fixedly connected to the first sliding block; a second guide rail arranged vertically and fixedly connected to the second fixed frame; a second sliding block slidingly connected to the second guide rail, the second sliding block being fixedly connected to the negative pressure cover; a second driving assembly for driving the second sliding block to slide. The second sliding block is provided with a second threaded hole, the axis of the second threaded hole being arranged vertically, and the second driving assembly comprises:
5. A tobacco cleaning device as claimed in claim 4, characterised in that a second driving lead screw threadedly connected to the second threaded hole, the second driving lead screw being rotatably connected to the second fixed frame; a second driving motor fixedly arranged on the second fixed frame, an output shaft of the second driving motor being connected to one end of the second driving lead screw. The cleaning brush is fixedly provided with a vertical rotating shaft, the rotating shaft being rotatably connected to the connecting frame; and the tobacco cleaning device further comprises:
6. A tobacco cleaning device as claimed in claim 1, characterised in that a third driving motor located in the negative pressure cover and fixedly connected to the connecting frame, an output shaft of the third driving motor being arranged vertically; wherein one transmission wheel is fixedly arranged on each of the rotating shafts and the output shaft of the third driving motor, and a transmission belt is sleeved on any two adjacent transmission wheels. The device further comprises:
7. A tobacco cleaning device as claimed in claim 1, characterised in that a collecting cylinder connected to a dust outlet of the cyclone separator so that an air outlet of the cyclone separator is in communication with the collecting cylinder. The collecting cylinder is arranged in two parts and comprises:
8. A tobacco cleaning device as claimed in claim 7, characterised in that, a cylinder body having an open upper end, the upper end of the cylinder body being provided with an outwardly folded edge. A cover plate is covered on the upper end surface of the cylinder body, the cover plate is fixedly connected with the dust outlet of the cyclone separator, and the cover plate is provided with a butt joint hole in communication with the dust outlet of the cyclone separator. A clamp is arranged outside the cover plate and the folded edge to connect the cover plate and the folded edge.
9. A tobacco cleaning device as claimed in claim 8, characterised in that, Further comprising: A supporting frame is arranged to support the cylinder body, and the supporting frame is provided with a plurality of vertically arranged limiting columns which are uniformly distributed around the circumference of the cylinder body to limit the cylinder body.
10. A tobacco cleaning device as claimed in claim 9, characterised in that, Further comprising: A second hose has one end connected with the exhaust pipe of the cyclone separator and the other end connected with the suction port of the air suction fan.