A foreign matter removing device for tobacco primary processing

Abstract

The utility model discloses a kind of foreign matter removing devices for tobacco silk making, including removing box, it is equipped with baffle in it, baffle is divided into first processing cavity and second processing cavity in inside, there is sieve plate in first processing cavity, sieve plate right side is connected with baffle, left side extends to removing box outside, removing box outer wall is equipped with power component;Screw rod is fixed on sieve plate back side, screw rod right end is connected with baffle, left end is connected with second motor;Threaded block is connected on screw rod, its front side is equipped with cross pipe, cross pipe top has elastic air inlet pipe, elastic air inlet pipe is connected with fan;Blowing plate is provided in second processing cavity, blowing plate top is equipped with blowing pipe, blowing plate is connected with fan by connecting pipe.The present application is combined with static and dynamic components, realizes airflow generation, transmission and application integration;Elastic air inlet pipe and air outlet pipe ensure that airflow can be effectively applied to tobacco at any angle of sieve plate, improve the first foreign matter removing effect;Connecting pipe and blowing plate guarantee secondary removal, improve foreign matter removing efficiency.

Description

Technical Field

[0001] This utility model relates to the field of tobacco production technology, and in particular to a foreign matter removal device for tobacco processing. Background Technology

[0002] Foreign matter removal devices in the tobacco processing industry are used to remove non-tobacco substances that may be mixed into the tobacco raw materials, such as metal fragments, plastics, stones, paper, and fibers. These foreign matter not only affect product quality but may also cause equipment damage or safety problems. Therefore, foreign matter removal devices are a very important part of modern tobacco processing production lines.

[0003] Existing foreign object removal devices for tobacco processing can be referenced from Chinese Utility Model Patent Publication No. CN219519598U, which discloses a foreign object removal device for tobacco processing, including a removal box, a screening mechanism, and a blower mechanism. The bottom of the removal box has a partition that divides the interior into a first space and a second space. The screening mechanism includes a sieve plate and a power component. The sieve plate is located in the first space, with one end rotatably connected to the top of the partition and the other end connected to a connecting rod. The side wall of the removal box has a movable hole that mates with the connecting rod. The power component is located on the side wall of the removal box, and its output end is connected to the connecting rod, configured to drive the connecting rod. The blower mechanism includes a blowing plate located on the side of the partition near the second space, with its air outlet facing the second space. This two-stage foreign object removal process improves the removal efficiency of foreign objects in the tobacco shreds, ensuring the purity of the tobacco material and thus improving the quality of subsequent tobacco processing.

[0004] However, the position of the blower mechanism in the above device is relatively fixed. When faced with foreign objects of different sizes or shapes, the fixed blowing position may not provide enough coverage to ensure that all foreign objects can be captured by the airflow, which may result in incomplete removal of foreign objects in some corners or areas. Utility Model Content

[0005] The technical problem this invention aims to solve is to provide a foreign matter removal device for tobacco processing, which has the advantage of highly efficient foreign matter removal. It cleverly combines static and dynamic components to achieve an integrated process from airflow generation and transmission to application. Through the design of a flexible air inlet pipe and multiple air outlet pipes, it ensures that the airflow effectively acts on the tobacco regardless of the angle of the screen plate, improving the initial foreign matter removal effect. Simultaneously, the configuration of the connecting pipe and the blowing plate ensures efficient secondary foreign matter removal.

[0006] The technical problem to be solved by this utility model is achieved through the following technical solution:

[0007] A foreign object removal device for tobacco processing includes a removal box and support legs fixedly disposed at the four corners of its outer wall. A partition is disposed at the center of the removal box, dividing the interior of the removal box into a first processing chamber and a second processing chamber. A sieve plate with a left-high, right-low orientation is disposed inside the first processing chamber. The right side of the sieve plate is rotatably connected to the top of the partition, and the left side of the sieve plate extends to the outside of the removal box and is slidably connected to a slot on the upper left side of the removal box. A power assembly is disposed on the left side of the outer wall of the removal box for driving the sieve plate to reciprocate. An inclined thread is fixed to the rear side of the sieve plate. The threaded rod has its right end rotatably connected to the partition and its left end extending to the outside of the rejection box and connected to a second motor fixedly installed on the left side of the rejection box. A threaded block is threadedly connected to the threaded rod, and a horizontal tube is provided on the front side of the threaded block. Multiple air outlet pipes are equidistantly arranged on the front side of the horizontal tube. An elastic air inlet pipe is fixedly connected to the top center of the horizontal tube, and the end of the elastic air inlet pipe away from the horizontal tube is connected to the air outlet of the fan. A blowing plate is provided inside the second processing chamber, and multiple blowing pipes are inclinedly arranged on the top of the blowing plate. The blowing plate is connected to the air outlet of the fan through a connecting pipe.

[0008] Preferably, in the above technical solution, the power assembly includes a protective shell fixedly disposed on the left side of the outer wall of the rejection box, a first motor fixedly connected to the bottom of the inner wall of the protective shell, the output shaft of the first motor extending to the outside of the protective shell and fixedly connected to a turntable, a connecting rod rotatably connected to the surface of the turntable away from the center, and the end of the connecting rod away from the turntable rotatably connected to the bottom center of the left side of the sieve plate.

[0009] Preferably, in the above technical solution, an inclined limiting rod is fixedly connected between the left side of the inner wall of the rejection box and the left side of the partition. The limiting rod is located above and parallel to the threaded rod. The limiting rod is slidably connected to the threaded block, and the threaded block can move along the direction of the limiting rod.

[0010] Preferably, in the above technical solution, the left end of the threaded rod extends to the outside of the rejection box and is rotatably connected thereto. An inclined L-shaped plate is fixedly connected to the top left side of the rejection box. The second motor is fixed on the L-shaped plate, and the output shaft of the second motor is fixedly connected to the left end of the threaded rod.

[0011] Preferably, in the above technical solution, the fan is fixedly installed on the top of the rejection box, one end of the elastic air inlet pipe is fixedly connected to the air outlet of the fan, and the other end is fixedly connected to the top center of the horizontal pipe; one end of the connecting pipe is fixedly connected to the air outlet of the fan, and the other end passes through the rejection box and is fixedly connected to the blowing plate.

[0012] Preferably, in the above technical solution, the bottom of the first processing chamber and the second processing chamber are respectively provided with an ash discharge port and a material outlet, and the ash discharge port and the material outlet extend below the bottom of the rejection box and are fixedly connected thereto.

[0013] Preferably, in the above technical solution, a controller for controlling the entire device is provided on the front surface of the rejection box, a feeding hopper is provided above the first processing chamber, the bottom of the feeding hopper is fixedly connected to the top of the first processing chamber, and the top of the feeding hopper extends to the top of the rejection box and is fixedly connected thereto.

[0014] Preferably, in the above technical solution, a door is movably connected to the front surface of the rejection box, the door is matched with the position of the second processing chamber, and a mesh plate is embedded below the side of the rejection box opposite to the blower plate.

[0015] The above-mentioned technical solution of this utility model has the following beneficial effects:

[0016] 1. When the first motor is started, its output shaft drives the turntable to rotate. During the rotation of the turntable, the connecting rod on it, due to its position away from the center, will periodically oscillate in the radial direction. The oscillation of the connecting rod, through its rotational connection with the sieve plate, causes the sieve plate to reciprocate along the inclined angle. The reciprocating vibration of the sieve plate helps to loosen the tobacco shreds, allowing them to slide down naturally during the vibration, and also helps to separate larger or heavier foreign objects.

[0017] 2. When the blower is started, the airflow it generates enters the horizontal pipe through the flexible inlet pipe. The horizontal pipe evenly distributes the airflow to multiple outlet pipes, which are directly aligned with the tobacco on the screen plate, helping to loosen the material and separate light foreign objects. A second motor drives the threaded rod to rotate, causing the threaded block to move up and down along the thread direction, adjusting the angle of the horizontal pipe and outlet pipes together. The sliding connection design of the flexible inlet pipe ensures that the airflow supply is not affected even during angle adjustment. Part of the airflow is guided to the blowing plate through the connecting pipe, where it continues to perform airflow sorting in the second processing chamber, further removing light foreign objects. Attached Figure Description

[0018] The accompanying drawings, which are incorporated in and form part of this specification, illustrate embodiments of the present invention and, together with their description, serve to explain the principles of the present invention.

[0019] Figure 1 This is a perspective view of the foreign matter removal device for tobacco processing according to the present invention.

[0020] Figure 2 This is a side view of the foreign matter removal device for tobacco processing according to this utility model;

[0021] Figure 3 This is a schematic diagram of the foreign matter removal device for tobacco processing according to the present invention.

[0022] Figure 4 This is a schematic diagram of the rejection box.

[0023] In the diagram: 1. Removal box; 101. Slot; 2. Box door; 3. Support leg; 4. Power assembly; 41. Protective shell; 42. Connecting rod; 43. First motor; 44. Turntable; 5. Mesh plate; 6. Controller; 7. Feed hopper; 8. Elastic air inlet pipe; 9. Fan; 10. Partition plate; 11. Air blowing plate; 12. Screen plate; 13. Ash discharge port; 14. Air blowing pipe; 15. Discharge port; 16. L-shaped plate; 17. Second motor; 18. Threaded rod; 19. Threaded block; 20. Horizontal pipe; 21. Air outlet pipe; 22. Limiting rod; 23. Connecting pipe. Detailed Implementation

[0024] Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that, unless otherwise specifically stated, the relative arrangement, numerical expressions, and values ​​of the components and steps set forth in these embodiments do not limit the scope of the present invention.

[0025] Unless otherwise specified, the experimental methods used in the following examples are conventional methods, and the materials and reagents used are commercially available. Unless otherwise specified, the equipment used in the experiments is well known to those skilled in the art.

[0026] A foreign object removal device for tobacco processing includes a removal box 1 and support legs 3 fixedly disposed at the four corners of its outer wall. A partition 10 is fixedly connected to the center of the inside of the removal box 1, and the partition 10 divides the left and right sides of the inside of the removal box 1 into a first processing chamber and a second processing chamber.

[0027] Furthermore, a slot 101 is provided on the upper left side of the rejection box 1, and a sieve plate 12 with the left side higher than the right side is provided inside the first processing chamber. The right end of the sieve plate 12 is rotatably connected to the top of the partition plate 10, and the left end of the sieve plate 12 extends to the outside of the rejection box 1 and is slidably connected to the inner wall of the slot 101. A power assembly 4 for driving the sieve plate 12 to reciprocate is provided on the left side of the outer wall of the rejection box 1.

[0028] The rejection box 1, serving as the main frame of the entire device, provides a closed working environment. Its interior is divided into a first processing chamber and a second processing chamber, each used for different processing steps. Support legs 3 are fixed to the four corners of the outer wall of the rejection box 1, ensuring stable placement of the device and providing the necessary height to accommodate the production line layout. A partition 10 divides the left and right sides of the rejection box 1 into two independent spaces—the first processing chamber and the second processing chamber—facilitating two different types of foreign object rejection processes: vibration screening and airflow sorting. A slot 101 is located on the upper left side of the rejection box 1, allowing the left end of the screen plate 12 to extend to the outside and slide therein, facilitating operator adjustment of the screen plate 12 angle or maintenance.

[0029] The sieve plate 12 is located inside the first processing chamber. Its inclined design facilitates the natural downward flow of materials. The right end of the sieve plate 12 is rotatably connected to the top of the partition plate 10, while the left end is connected to the outside through the slot 101, forming a vibrating platform for the initial separation of larger or heavier foreign objects from the tobacco. The power unit 4 is installed on the left side of the outer wall of the rejection box 1 and is responsible for driving the sieve plate 12 to vibrate back and forth. By driving the sieve plate 12 to move, the tobacco is loosened during the vibration, thereby more effectively removing attached debris and other impurities.

[0030] Furthermore, a door 2 adapted to the second processing chamber is movably connected to the right end of the front surface of the rejection box 1. A mesh plate 5 is embedded in the lower right side of the rejection box 1. A blower plate 11 is fixedly connected to the right side of the partition 10. The blower plate 11 is located inside the second processing chamber. Multiple inclined blower pipes 14 are fixedly connected to the top right end of the blower plate 11.

[0031] The door 2 is adapted to the second processing chamber, providing an inlet / outlet that can be opened or closed, facilitating inspection, cleaning, or maintenance of the second processing chamber by operators when necessary. Furthermore, when the equipment is running, the closed door 2 maintains a stable internal environment, preventing external dust and other contaminants from entering. The mesh plate 5 serves as a material discharge channel; tobacco shreds, after secondary foreign object removal, can fall through the mesh plate 5 and be collected in the next processing stage or storage container. The air blowing plate 11 generates airflow to separate lightweight foreign objects. The presence of multiple air blowing pipes 14 increases the coverage and directionality of the airflow, allowing it to act more evenly on the passing tobacco shreds. This design helps improve the foreign object removal effect, especially for lightweight foreign objects of different shapes and sizes. The inclined air blowing pipes 14 can apply airflow from multiple angles, ensuring optimal separation.

[0032] Furthermore, a controller 6 for controlling the entire device is fixedly connected to the left end of the front surface of the rejection box 1. A feed hopper 7 is provided above the first processing chamber. The top of the feed hopper 7 extends to the top of the rejection box 1 and is fixedly connected thereto. The bottom of the first processing chamber and the second processing chamber are respectively provided with a ash discharge port 13 and a discharge port 15. The ash discharge port 13 and the discharge port 15 extend to the bottom of the rejection box 1 and are fixedly connected thereto.

[0033] Controller 6 serves as the control center of the entire device, responsible for coordinating and managing the operation of all components, monitoring operational status, and providing fault alarms. Through controller 6, operators can easily adjust the equipment to adapt to different production needs. The feed hopper 7 is used to guide the tobacco to be processed into the first processing chamber. Its design ensures that the material is evenly distributed on the screen plate 12, thereby improving screening efficiency. The ash discharge port 13 is used to discharge larger or heavier foreign objects separated during the initial foreign object removal process. These substances are collected in a dedicated container through the ash discharge port 13 for subsequent processing or cleaning. The discharge port 15 is used to discharge qualified tobacco after the second foreign object removal process. These tobacco shreds enter the next processing step or storage container through the discharge port 15.

[0034] Furthermore, the power assembly 4 includes a protective shell 41 fixedly disposed on the left side of the outer wall of the rejection box 1, and a first motor 43 fixedly connected to the bottom of the inner wall of the protective shell 41. The output shaft of the first motor 43 extends to the outside of the protective shell 41 and is rotatably connected thereto.

[0035] Furthermore, the output shaft of the first motor 43 is fixedly connected to a turntable 44, and a connecting rod 42 is rotatably connected to the surface of the turntable 44 away from the center. The end of the connecting rod 42 away from the turntable 44 is rotatably connected to the center of the bottom left side of the sieve plate 12.

[0036] When the first motor 43 starts, its output shaft drives the turntable 44 to rotate. During the rotation of the turntable 44, the connecting rod 42 on it, due to its position away from the center, will periodically oscillate in the radial direction. The oscillation of the connecting rod 42, through its rotational connection with the sieve plate 12, causes the sieve plate 12 to reciprocate along the inclined angle. The reciprocating vibration of the sieve plate 12 helps to loosen the tobacco shreds, allowing them to slide down naturally during the vibration, and also helps to separate larger or heavier foreign objects.

[0037] Furthermore, a threaded rod 18 with a left-high and right-low tilt is provided on the rear side of the sieve plate 12. The right end of the threaded rod 18 is rotatably connected to a partition plate 10. The left end of the threaded rod 18 extends to the outside of the rejection box 1 and is rotatably connected thereto. An inclined L-shaped plate 16 is fixedly connected to the top left side of the rejection box 1. A second motor 17 is fixedly connected to the L-shaped plate 16. The output shaft of the second motor 17 is fixedly connected to the left end of the threaded rod 18.

[0038] Furthermore, the threaded rod 18 is threadedly connected to the threaded block 19 on the inner surface of the rejection box 1. A limiting rod 22 with a left-high and right-low tilt is fixedly connected between the left side of the inner wall of the rejection box 1 and the left side of the partition 10. The limiting rod 22 is slidably connected to the threaded block 19.

[0039] When the second motor 17 starts, its output shaft drives the threaded rod 18 to rotate. The rotation of the threaded rod 18 causes the threaded block 19, which is threaded to it, to move along the thread direction. Since the threaded block 19 is slidably connected to the limit rod 22, the threaded block 19 can only move along the direction of the limit rod 22. The operator can adjust the working parameters of the second motor 17 through the controller 6 according to the characteristics of different batches of tobacco and processing requirements, so as to achieve the best foreign matter removal effect.

[0040] Furthermore, a horizontal pipe 20 is fixedly connected to the front side of the threaded block 19, and a plurality of air outlet pipes 21 are fixedly connected to the front side of the horizontal pipe 20 at equal intervals. An elastic air inlet pipe 8 is fixedly connected to the center of the top of the horizontal pipe 20. The end of the elastic air inlet pipe 8 away from the horizontal pipe 20 extends to the outside of the rejection box 1 and is slidably connected thereto. A fan 9 is fixedly connected to the top right side of the rejection box 1. The air outlet end of the fan 9 is fixedly connected to the end of the elastic air inlet pipe 8 away from the horizontal pipe 20. A connecting pipe 23 is fixedly connected to one side of the elastic air inlet pipe 8. The end of the connecting pipe 23 away from the elastic air inlet pipe 8 passes through the rejection box 1 and is fixedly connected to a blower plate 11.

[0041] When the blower 9 starts, the airflow it generates enters the horizontal pipe 20 through the flexible air inlet pipe 8. The horizontal pipe 20 evenly distributes the airflow to multiple air outlet pipes 21, which are directly aligned with the tobacco on the screen plate 12, helping to loosen the material and separate light foreign objects. The second motor 17 drives the threaded rod 18 to rotate, and the threaded block 19 moves up and down along the thread direction, causing the horizontal pipe 20 and the air outlet pipes 21 to adjust their angles together. The sliding connection design of the flexible air inlet pipe 8 ensures that the airflow supply is not affected even during angle adjustment. Part of the airflow is guided to the blowing plate 11 through the connecting pipe 23, where it continues to perform airflow sorting in the second processing chamber, further removing light foreign objects.

[0042] This wind system cleverly combines static and dynamic components, achieving an integrated process from airflow generation and transmission to application. The flexible inlet pipe 8 and multiple outlet pipes 21 ensure that the airflow effectively acts on the tobacco regardless of the angle of the screen plate 12, improving the initial foreign object removal effect. Simultaneously, the configuration of the connecting pipe 23 and the blowing plate 11 guarantees efficient secondary foreign object removal. This comprehensive design not only enhances the functionality and flexibility of the equipment but also improves the ease of operation and maintenance, making it highly suitable for modern tobacco processing production lines.

[0043] Although the present invention has been disclosed above with reference to embodiments, it is not intended to limit the present invention. Any person skilled in the art can make various different choices and modifications without departing from the spirit and scope of the present invention. Therefore, the scope of protection of the present invention is defined by the claims and their equivalents.

Claims

1. A foreign matter removal device for tobacco processing, characterized in that, The assembly includes a rejection box (1) and support legs (3) fixedly installed at the four corners of its outer wall. A partition (10) is provided in the center of the rejection box (1), which divides the interior of the rejection box (1) into a first processing chamber and a second processing chamber. A sieve plate (12) with the left side higher than the right side is provided inside the first processing chamber. The right side of the sieve plate (12) is rotatably connected to the top of the partition (10), and the left side of the sieve plate (12) extends to the outside of the rejection box (1) and is slidably connected to the slot (101) on the upper left side of the rejection box (1). A power assembly (4) is provided on the left side of the outer wall of the rejection box (1) for driving the sieve plate (12) to reciprocate. An inclined threaded rod (18) is fixed to the rear side of the sieve plate (12), and the right end of the threaded rod (18) is connected to the... The partition (10) is rotatably connected and extends to the outside of the rejection box (1) and is connected to the second motor (17) fixedly installed on the left side of the rejection box (1); the threaded rod (18) is threadedly connected to a threaded block (19), a horizontal pipe (20) is provided on the front side of the threaded block (19), a plurality of air outlet pipes (21) are equidistantly arranged on the front side of the horizontal pipe (20), an elastic air inlet pipe (8) is fixedly connected to the top center of the horizontal pipe (20), and the end of the elastic air inlet pipe (8) away from the horizontal pipe (20) is connected to the air outlet of the fan (9); the second processing chamber is provided with a blower plate (11), a plurality of blower pipes (14) are inclinedly arranged on the top of the blower plate (11), and the blower plate (11) is connected to the air outlet of the fan (9) through a connecting pipe (23).

2. The foreign matter removal device for tobacco processing according to claim 1, characterized in that, The power assembly (4) includes a protective shell (41) fixedly disposed on the left side of the outer wall of the rejection box (1). A first motor (43) is fixedly connected to the bottom of the inner wall of the protective shell (41). The output shaft of the first motor (43) extends to the outside of the protective shell (41) and is fixedly connected to a turntable (44). A connecting rod (42) is rotatably connected to the surface of the turntable (44) away from the center. One end of the connecting rod (42) away from the turntable (44) is rotatably connected to the bottom center of the left side of the sieve plate (12).

3. The foreign matter removal device for tobacco processing according to claim 1, characterized in that, An inclined limiting rod (22) is fixedly connected between the left side of the inner wall of the rejection box (1) and the left side of the partition (10). The limiting rod (22) is located above and parallel to the threaded rod (18). The limiting rod (22) is slidably connected to the threaded block (19). The threaded block (19) can move along the direction of the limiting rod (22).

4. The foreign matter removal device for tobacco processing according to claim 1, characterized in that, The left end of the threaded rod (18) extends to the outside of the rejection box (1) and is rotatably connected thereto. An L-shaped plate (16) is fixedly connected to the top left side of the rejection box (1). The second motor (17) is fixed on the L-shaped plate (16). The output shaft of the second motor (17) is fixedly connected to the left end of the threaded rod (18).

5. The foreign matter removal device for tobacco processing according to claim 1, characterized in that, The blower (9) is fixedly installed on the top of the rejection box (1). One end of the elastic air inlet pipe (8) is fixedly connected to the air outlet of the blower (9), and the other end is fixedly connected to the top center of the horizontal pipe (20). One end of the connecting pipe (23) is fixedly connected to the air outlet of the blower (9), and the other end passes through the rejection box (1) and is fixedly connected to the blowing plate (11).

6. The foreign matter removal device for tobacco processing according to claim 1, characterized in that, The bottom of the first processing chamber and the second processing chamber are respectively provided with a ash discharge port (13) and a discharge port (15). The ash discharge port (13) and the discharge port (15) extend to the bottom of the rejection box (1) and are fixedly connected thereto.

7. The foreign matter removal device for tobacco processing according to claim 1, characterized in that, The front surface of the rejection box (1) is provided with a controller (6) for controlling the entire device. A feeding hopper (7) is provided above the first processing chamber. The bottom of the feeding hopper (7) is fixedly connected to the top of the first processing chamber. The top of the feeding hopper (7) extends to the top of the rejection box (1) and is fixedly connected to it.

8. A foreign matter removal device for tobacco processing according to claim 1, characterized in that, The front surface of the rejection box (1) is movably connected to a door (2), the door (2) is matched with the position of the second processing chamber, and a mesh plate (5) is embedded below the side of the rejection box (1) opposite to the blower plate (11).

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