A screening apparatus

Abstract

The utility model relates to a kind of screening equipment, it includes air supply component, screening component, power component and rack;The power component is set in the rack, for driving the screening component reciprocating motion, and generates along feed to the movement of discharge direction and perpendicular to feed to the movement of discharge direction;The air supply component is set in the screening component below, for the screen hole of the screening component air supply.This utility model is based on with power component driving screening component generates along conveying side and reciprocating motion perpendicular to conveying direction, i.

Description

Technical Field

[0001] This utility model relates to the field of tobacco processing technology, and in particular to a screening device. Background Technology

[0002] To meet consumer demand, the variety of tobacco products is constantly being updated, placing higher demands on tobacco processing technology. With the goal of product diversification and improved tobacco quality, the tobacco processing technology allows for the classification and screening of tobacco shreds, resulting in various grades of tobacco. This provides a wider range of materials for new product development, thus meeting the evolving needs of the consumer market. Currently, most tobacco shredding is done using inclined screens, which is inefficient and prone to clogging the screen holes, further reducing screening efficiency. These problems urgently need to be addressed. Utility Model Content

[0003] This utility model discloses a screening device, which aims to solve the technical problems existing in the prior art.

[0004] The present invention adopts the following technical solution: This utility model provides a screening device, which includes an air supply component, a screening component, a power component, and a frame; the power component is disposed on the frame and is used to drive the screening component to reciprocate and generate movement along the feed to discharge direction and perpendicular to the feed to discharge direction; the air supply component is disposed below the screening component and is used to supply air to the screen holes of the screening component.

[0005] In the screening equipment of this utility model, the screening component moves in a vertical inclined straight line, and its top is inclined toward the discharge side of the screening component.

[0006] In the screening equipment of this utility model, the tilt angle of the moving direction of the screening component is 35-50°.

[0007] In the screening equipment of this utility model, the tilt angle of the moving direction of the screening component is 45°.

[0008] In the screening equipment of this utility model, the air supply component includes a blower, an air outlet trough, and a connecting pipe; the air outlet trough is disposed below the screening component and forms an air cavity with the screening component; the air cavity has an air outlet on the discharge side of the screening component; the air outlet is provided with a first cover plate that can be rotatably opened or closed; one end of the connecting pipe is connected to the air cavity, and the other end is connected to the blower.

[0009] In the screening equipment of this utility model, the screen holes of the screening component are shell-shaped structures with an inclined channel from the inlet to the outlet; the air outlet direction of the air supply component is from the outlet to the inlet of the screen holes.

[0010] In the screening equipment of this utility model, a first air outlet is provided on the bottom surface of the air outlet trough; a second cover plate is provided on the first air outlet; the inclination angle of the second cover plate when it is opened is parallel to the direction from the outlet to the inlet of the screen hole.

[0011] In the screening equipment of this utility model, the screening component includes a screen plate and a spring; the screen plate is connected to the power component through the spring.

[0012] In the screening equipment of this utility model, the power component includes a motor and a crank-connecting rod mechanism; the motor drives the screening component to move linearly through the crank-connecting rod mechanism.

[0013] In the screening equipment of this utility model, the screening component is arranged horizontally.

[0014] The technical solution adopted in this utility model can achieve the following beneficial effects: This utility model mainly provides a screening device, which is based on a power component driving the screening component to generate reciprocating motion along the conveying direction and perpendicular to the conveying direction. That is, the screening component not only generates vibration, but also assists the tobacco shreds to move along the conveying direction, which can improve screening efficiency. Furthermore, when the screen holes are blocked, the air supply component supplies air to the screen holes of the screening component, which can loosen the blocked tobacco shreds and keep the screening smooth. Attached Figure Description

[0015] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below, forming part of this utility model. The illustrative embodiments of this utility model and their descriptions explain this utility model and do not constitute an improper limitation of this utility model. In the accompanying drawings: Figure 1 This is a three-dimensional structural diagram of a screening device according to the present invention; Figure 2 This is a schematic diagram of the cross-sectional structure of a screening device according to the present invention; Figure 3 This is a schematic diagram of the main structure of a screening device according to the present invention; Figure 4 This is a schematic diagram of the structure of the screening component of this utility model.

[0016] Explanation of reference numerals in the attached figures: 1. Air supply assembly; 11. Blower; 12. Air outlet duct; 121. First air outlet; 122. Second cover plate; 13. Connecting pipe; 2. Screening assembly; 21. Screen hole; 22. Screen plate; 23. Spring; 3. Power assembly; 31. Motor; 32. Crank-connecting rod mechanism; 4. Frame; 41. First slide groove; 42. Second slide groove; 5. Air cavity; 51. Air outlet; 52. First cover plate. Detailed Implementation

[0017] To make the objectives, technical solutions, and advantages of this utility model clearer, the technical solutions of this utility model will be clearly and completely described below in conjunction with specific embodiments and corresponding drawings. In the description of this utility model, it should be noted that the term "or" is generally used to include the meaning of "and / or," unless otherwise expressly stated otherwise.

[0018] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or a magnetic connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances. Furthermore, in the description of this application, the terms "first," "second," etc., are used only for distinguishing descriptions and should not be construed as indicating or implying relative importance. In the description of this utility model, "a plurality of" means at least two, such as two, three, or more, unless otherwise explicitly specified.

[0019] Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0020] To address the problems existing in the prior art, this application provides a screening device.

[0021] like Figure 1 As shown, a screening device includes an air supply component 1, a screening component 2, a power component 3, and a frame 4; the power component 3 is disposed on the frame 4 and is used to drive the screening component 2 to reciprocate and generate movement along the feed to discharge direction and perpendicular to the feed to discharge direction; the air supply component 1 is disposed below the screening component 2 and is used to supply air to the screen holes 21 of the screening component 2.

[0022] The present invention discloses a screening device based on a power component 3 driving a screening component 2 to generate reciprocating motion along the conveying direction and perpendicular to the conveying direction. That is, the screening component 2 not only generates vibration, but also assists the tobacco shreds to move along the conveying direction, which can improve screening efficiency. Furthermore, when the screen holes are blocked, the air supply component 1 supplies air to the screen holes of the screening component 2, which can loosen the blocked tobacco shreds and keep the screening smooth.

[0023] In some preferred embodiments, such as Figure 1 and 3 As shown, the screening component 2 moves in a vertically inclined straight line, and its top is inclined towards the discharge side of the screening component 2. Specifically, it slides directionally through the first slide groove 41 and the second slide groove 42 on the frame 4.

[0024] Preferably, the tilt angle of the moving direction of the screening component 2 is 35-50°, that is, the angle between the extending direction of the first chute 41 and the second chute 42 and the horizontal direction is 35-50°; within this range, sufficient conveying of tobacco shreds and vertical vibrating screening can be ensured, thereby improving screening quality and screening efficiency.

[0025] More preferably, the tilt angle of the screening component 2 in the direction of movement is 45°.

[0026] In some preferred embodiments, such as Figure 3 As shown, the air supply assembly 1 includes a blower 11, an air outlet duct 12, and a connecting pipe 13. The air outlet duct 12 is located below the screening assembly 2 and forms an air chamber 5 with the screening assembly 2. The air chamber 5 has an air outlet 51 on the discharge side of the screening assembly 2. The air outlet 51 is equipped with a first cover plate 52 that can be rotatably opened or closed. When air is needed, the first cover plate 52 can be closed, allowing more gas to be output from the screen holes of the screening assembly 2, thereby improving the unblocking effect of the screen holes. During normal screening, it is opened to ensure normal output of tobacco. One end of the connecting pipe 13 is connected to the ventilation chamber 5, and the other end is connected to the blower 11. Air supply or non-air supply is achieved by controlling the start and stop of the blower 11. Specifically, a valve is provided on the connecting pipe 13.

[0027] In some preferred embodiments, the screen holes 21 of the screening component 2 are shell-shaped structures with an inclined channel from the inlet to the outlet; the air outlet direction of the air supply component 1 is from the outlet to the inlet of the screen holes 21; based on the inclined screen holes 21, the inlet faces the feeding direction, and the outlet faces vertically downward or towards the discharge direction, that is, the inlet of the screen holes 21 forms an acute angle with the top surface of the screening component 2. This avoids the tobacco from scattering when the air supply component 1 supplies air, and the acute angle of the inlet of the screen holes 21 also reduces the resistance encountered when blowing the tobacco out of the screen holes 21 during air supply.

[0028] In some preferred embodiments, such as Figure 3 and Figure 4As shown, a first air outlet 121 is provided on the bottom surface of the air outlet 12; a second cover plate 122 is provided on the first air outlet 121; the tilt angle of the second cover plate 122 when it is opened is parallel to the direction from the outlet to the inlet of the sieve hole 21; based on this, when blowing is not performed, the first air outlet 121 is closed by the second cover plate 122, so that the sieved tobacco shreds can move smoothly in the air outlet 12, and when blowing is required, it is opened under the action of pressure difference to deliver air, and based on the guiding effect of the second cover plate 122, the blowing force on the tobacco shreds in the sieve hole 21 is maximized.

[0029] In some preferred embodiments, such as Figure 3 and Figure 4 As shown, the screening component 2 includes a screen plate 22 and a spring 23; the screen plate 22 is connected to the power component 3 through the spring 23; the setting of the spring 23 causes the screen plate 22 to shake while reciprocating, thereby improving the uniformity of tobacco dispersion, improving screening efficiency, and helping to loosen the tobacco blocked in the screen holes 21, thereby reducing the risk of blockage.

[0030] In some preferred embodiments, such as Figure 1 and Figure 2 As shown, the power assembly 3 includes a motor 31 and a crank-connecting rod mechanism 32; the motor 31 drives the screening assembly 2 to move linearly through the crank-connecting rod mechanism 32.

[0031] In some preferred embodiments, the screening component 2 is set horizontally.

[0032] The embodiments of the present invention have been described above with reference to the accompanying drawings. However, the present invention is not limited to the specific embodiments described above. The specific embodiments described above are merely illustrative and not restrictive. Those skilled in the art can make many other forms under the guidance of the present invention without departing from the spirit and scope of the claims, and all of these forms are within the protection scope of the present invention.

Claims

1. A screening device, characterized in that, Includes air supply components, screening components, power components, and frame; The power unit is mounted on the frame and is used to drive the screening unit to reciprocate and generate movement along the feed to discharge direction and perpendicular to the feed to discharge direction; The air supply component is located below the screening component and is used to supply air to the screen holes of the screening component.

2. The screening equipment according to claim 1, characterized in that, The screening component moves in a vertical, inclined straight line, and its top is inclined toward the discharge side of the screening component.

3. The screening equipment according to claim 2, characterized in that, The tilt angle of the moving direction of the screening component is 35-50°.

4. The screening equipment according to claim 3, characterized in that, The tilt angle of the screening component in the direction of movement is 45°.

5. The screening equipment according to claim 1, characterized in that, The air supply assembly includes a blower, an air outlet duct, and a connecting pipe; The air outlet slot is located below the screening component and forms an air cavity with the screening component; The air chamber has an air outlet on the discharge side of the screening assembly; The air outlet is equipped with a first cover that can be rotated to open or close. One end of the connecting pipe is connected to the air cavity, and the other end is connected to the blower.

6. The screening equipment according to claim 5, characterized in that, The sieve holes of the screening component are shell-shaped structures with an inclined channel from the inlet to the outlet; The air outlet direction of the air supply component is from the outlet to the inlet direction of the screen holes.

7. The screening equipment according to claim 5, characterized in that, The bottom surface of the air outlet slot is provided with a first air outlet; A second cover plate is provided on the first air outlet; The tilt angle of the second cover plate when it is opened is parallel to the direction from the outlet to the inlet of the sieve hole.

8. The screening equipment according to claim 1, characterized in that, The screening assembly includes a sieve plate and a spring; The sieve plate is connected to the power assembly via the spring.

9. The screening equipment according to claim 1, characterized in that, The power assembly includes a motor and a crank-connecting rod mechanism; The motor drives the screening assembly to move linearly via the crank-connecting rod mechanism.

10. The screening equipment according to claim 1, characterized in that, The screening component is set horizontally.

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