Negative pressure removing structure of multi-channel cut tobacco and tobacco leaf removing equipment

Abstract

The utility model discloses a negative pressure rejecting structure of multichannel cut tobacco and tobacco leaf rejecting equipment, which comprises a top cover, a negative pressure generating device is arranged on the top cover, a suction rejecting component is arranged on one side in the top cover, and the suction rejecting component is in transmission connection with the negative pressure generating device to control the suction rejecting component to perform negative pressure suction work. The position of the outer cylinder is fixed, the suction port does not reach the position after the inner rod extends to the longest distance, the inner rod pulls the connecting block and the guide arc-shaped plate to rotate when the suction port continues to move downwards, and negative pressure suction is conducted when the bottom of the suction port is exposed. In the suction retraction process, as impurities need to be sucked into the collecting barrel for a period of suction time, the bottom of the suction opening is closed again by utilizing a guide arc-shaped plate after retraction and resetting of a torsion spring connected to a movable rotating shaft between the guide arc-shaped plate and the suction opening, and the negative pressure suction direction of the last section is changed; therefore, the situation of mistaken suction is reduced to the greatest extent.

Description

Technical Field

[0001] The utility model belongs to the field of tobacco shreds and tobacco leaves rejecting equipment, and in particular relates to a negative pressure rejecting structure of a multi-channel tobacco shreds and tobacco leaves rejecting equipment. Background Art

[0002] During the production and transportation of traditional tobacco and tobacco leaves, impurities in the tobacco and tobacco leaves are often removed through the removal work before subsequent work is carried out. However, the traditional negative pressure removal work mostly uses a retractable negative pressure suction cylinder for positioning suction. There is a problem with this negative pressure suction, that is, after the impurities are extended, they move a certain distance inside the negative pressure pipe, which also requires continuous air intake to ensure the integrity of the entire suction. Tobacco and tobacco leaves are relatively light items, resulting in a large negative pressure at the suction port during the upward distance after the impurities just enter the suction pipe, causing more tobacco and tobacco leaves to enter. As the suction pipe retracts, the negative pressure gradually decreases, which will cause tobacco and tobacco leaves to be lifted up and fallen in this area, resulting in a lot of dust in the entire area. The subsequent negative pressure will cause excess tobacco and tobacco leaves to enter the entire process, and the continuous lifting and falling of tobacco and tobacco leaves will affect the air quality in the nearby working environment. Utility Model Content

[0003] The purpose of the utility model is to provide a negative pressure rejecting structure of a multi-channel tobacco shred and tobacco leaf rejecting device to solve the above problems.

[0004] To achieve the above-mentioned object, the present invention provides the following technical solution: a negative pressure rejection structure for a multi-channel tobacco shred and tobacco leaf rejection device, comprising a top cover, a negative pressure generating device provided on the top cover, a suction rejection assembly provided on one side of the interior of the top cover, the suction rejection assembly being connected to the negative pressure generating device to control the suction rejection assembly to perform negative pressure suction;

[0005] The suction and rejection component includes multiple telescopic hoses connected to the negative pressure generating equipment. The bottom of each of the telescopic hoses is fixedly connected to a mobile suction cylinder, and the mobile suction cylinder moves up and down through the telescopic characteristics of the telescopic hose. The bottom of the mobile suction cylinder is provided with an adjustment mechanism for controlling the negative pressure suction direction of the bottom of the mobile suction cylinder. A synchronization component is provided between the adjustment mechanism and the mobile suction cylinder, and the synchronization component is used to achieve synchronous downward movement with the mobile suction cylinder.

[0006] Preferably, a suction port is provided at the bottom of the movable suction cylinder, and guide arc plates are movably connected to both sides of the suction port through a rotating shaft, and the bottom of the suction port is completely exposed after the two guide arc plates are rotated open.

[0007] Preferably, a connecting block is fixedly connected to the outer side of the guide arc plate and an inner rod is hinged on the top of the connecting block. An outer cylinder is slidingly provided on the top of the inner rod. The outer cylinder and the inner rod form a telescopic rod structure and a limit block structure that limits the inner rod in the longest state to prevent the inner rod from falling off completely. A fixed pipe is slidingly provided on the outer side of the outer cylinder, and the fixed pipe is fixedly connected to the top cover.

[0008] Preferably, at least one locking bolt is provided on the outside of the fixed pipe, and the locking bolt penetrates the fixed pipe and contacts the outer cylinder sliding inside to fix the outer cylinder by extrusion and friction.

[0009] Preferably, a control frame is fixedly provided at the bottom of the top cover, the movable suction cylinder is slidably connected to the control frame and the transmission device provided on the control frame is used to drive the movable suction cylinder to move downward, and the fixed pipe is fixedly connected to the outer side of the control frame.

[0010] Preferably, the transmission device includes an electric push rod and / or a motor and a threaded rod that cooperate to drive the object to move up and down.

[0011] Preferably, a certain distance is kept between the guide arc plate and the bottom opening of the suction port so that the guide arc plate only guides and does not hinder the entire suction process.

[0012] Preferably, a delivery pipe and a collection bucket are provided on one side of the negative pressure generating device, and support legs are provided at the four corners of the bottom of the top cover.

[0013] The technical effects and advantages of the present invention are as follows: during the process of moving the suction cylinder downward, the suction port will be used to drive the guide arc plate to pull the inner rod to slide downward on the outer cylinder, and then the position of the outer cylinder will be fixed, so that the suction port has not reached the position after the inner rod extends to the longest distance, and when the suction port continues to move downward, the inner rod pulls the connecting block and the guide arc plate to rotate, and negative pressure suction is performed during the period when the bottom of the suction port is exposed. During the suction retraction process, it is necessary to suck impurities into the collection barrel for a period of suction time. At this time, the guide arc plate can be retracted and the torsion spring connected to the movable rotating shaft between the guide arc plate and the suction port can be reset to reclose the bottom of the suction port, thereby changing the direction of the negative pressure suction in the last section, thereby minimizing the impact on the remaining tobacco and leaves as much as possible and reducing the possibility of accidental inhalation. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural diagram of the utility model;

[0015] Figure 2 This is a schematic diagram of the internal structure of the utility model;

[0016] Figure 3 For the utility model Figure 2A partial enlarged view of the middle part;

[0017] Figure 4 It is a bottom view of the present utility model.

[0018] In the figure: 1. Support legs; 2. Top cover; 3. Negative pressure generating device; 4. Suction and rejection assembly; 401. Telescopic hose; 402. Mobile suction cylinder; 403. Locking bolt; 404. Fixed pipe; 405. Inner rod; 406. Connecting block; 407. Guide arc plate; 5. Delivery pipe; 6. Collection bucket; 7. Control frame; 8. Suction port. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0020] The utility model provides a negative pressure rejection structure of a multi-channel tobacco shred and tobacco leaf rejection device as shown in the figure, comprising a top cover 2, a negative pressure generating device 3 provided on the top cover 2, a suction rejection component 4 provided on one side of the interior of the top cover 2, and a transmission connection between the suction rejection component 4 and the negative pressure generating device 3 to control the suction rejection component 4 to perform negative pressure suction work;

[0021] The suction and rejection component 4 includes multiple telescopic hoses 401 connected to the negative pressure generating device 3. The bottom of the multiple telescopic hoses 401 is fixedly connected to a mobile suction cylinder 402, and the mobile suction cylinder 402 moves up and down through the telescopic characteristics of the telescopic hose 401. An adjustment mechanism for controlling the negative pressure suction direction of the bottom of the mobile suction cylinder 402 is provided at the bottom of the mobile suction cylinder 402. A synchronization component is provided between the adjustment mechanism and the mobile suction cylinder 402, and the synchronization component is used to achieve synchronous downward movement with the mobile suction cylinder 402.

[0022] Specifically, a suction port 8 is provided at the bottom of the movable suction cylinder 402 , and both sides of the suction port 8 are movably connected with guide arc plates 407 through rotating shafts, and after the two guide arc plates 407 are rotated open, the bottom of the suction port 8 is completely exposed.

[0023] Specifically, a connecting block 406 is fixedly connected to the outside of the guide arc plate 407 and an inner rod 405 is hinged on the top of the connecting block 406. An outer cylinder is provided on the top of the inner rod 405 for sliding. The outer cylinder and the inner rod 405 form a telescopic rod structure and a limit block structure is provided to limit the inner rod 405 in the longest state to prevent the inner rod 405 from falling off completely. A fixed pipe 404 is provided on the outside of the outer cylinder for sliding, and the fixed pipe 404 is fixedly connected to the top cover 2.

[0024] Specifically, at least one locking bolt 403 is provided on the outside of the fixed pipe 404 , and the locking bolt 403 penetrates the fixed pipe 404 and contacts the outer cylinder sliding inside to fix the outer cylinder by extrusion and friction.

[0025] Specifically, a control frame 7 is fixedly provided at the bottom of the top cover 2, the movable suction cylinder 402 is slidingly connected to the control frame 7 and the transmission device provided on the control frame 7 is used to drive the movable suction cylinder 402 to move downward, and the fixed pipe 404 is fixedly connected to the outer side of the control frame 7.

[0026] Specifically, the transmission device includes an electric push rod and / or a motor and a threaded rod that cooperate to drive the object to move up and down.

[0027] Specifically, a certain distance is kept between the guide arc plate 407 and the bottom opening of the suction port 8 to ensure that the guide arc plate 407 is only for guidance and does not hinder the entire suction process.

[0028] Specifically, a delivery pipe 5 and a collection bucket 6 are provided on one side of the negative pressure generating device 3 , and support legs 1 are provided at the four corners of the bottom of the top cover 2 .

[0029] When the suction port 8 is in the downward direction, the guide arc plate 407 is pulled back to slide the inner rod 405 on the outer cylinder, and the position of the outer cylinder is fixed, so that the suction port 8 has not reached the position after the inner rod 405 extends to the maximum distance, and when the suction port 8 continues to move downward, the inner rod 405 pulls the connecting block 406 and the guide arc plate 407 to rotate, and negative pressure suction is performed during the period when the bottom of the suction port 8 is exposed. During the suction retraction process, it is necessary to suck the impurities into the collection barrel 6 for a period of time. At this time, the guide arc plate 407 can be retracted to reclose the bottom of the suction port 8 by using the torsion spring connected to the movable rotating shaft between the guide arc plate 407 and the suction port 8 to change the direction of the negative pressure suction in the last section, thereby minimizing the impact on the remaining tobacco and tobacco leaves as much as possible and reducing the possibility of accidental inhalation. The whole process is easy to operate, simple in structure, and convenient to use and maintain.

[0030] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A negative pressure rejection structure for a multi-channel tobacco shred or tobacco leaf rejection device, comprising a top cover (2), wherein a negative pressure generating device (3) is provided on the top cover (2), and characterized in that: A suction and rejection assembly (4) is provided on one side of the interior of the top cover (2), and a transmission connection is established between the suction and rejection assembly (4) and the negative pressure generating device (3) to control the suction and rejection assembly (4) to perform negative pressure suction work; The suction and rejection component (4) includes a plurality of telescopic hoses (401) connected to the negative pressure generating device (3), the bottoms of the plurality of telescopic hoses (401) are fixedly connected to a mobile suction cylinder (402), and the mobile suction cylinder (402) moves up and down in coordination with the telescopic characteristics of the telescopic hoses (401), and an adjustment mechanism for controlling the negative pressure suction direction of the bottom of the mobile suction cylinder (402) is provided at the bottom of the mobile suction cylinder (402), and a synchronization component is provided between the adjustment mechanism and the mobile suction cylinder (402), and the synchronization component is used to achieve synchronization with the mobile suction cylinder (402) in downward movement.

2. The negative pressure rejection structure of the multi-channel tobacco shreds and tobacco leaves rejection device according to claim 1, characterized in that: The bottom of the movable suction cylinder (402) is provided with a suction port (8), and both sides of the suction port (8) are movably connected to guide arc plates (407) via a rotating shaft, and after the two guide arc plates (407) are rotated open, the bottom of the suction port (8) is completely exposed.

3. The negative pressure rejection structure of the multi-channel tobacco shred and tobacco leaf rejection device according to claim 2, characterized in that: The outer side of the guide arc plate (407) is fixedly connected to a connecting block (406), and the top of the connecting block (406) is hinged to an inner rod (405). An outer cylinder is slidably provided on the top of the inner rod (405). The outer cylinder and the inner rod (405) form a telescopic rod structure and a limiting block structure is provided for limiting the inner rod (405) in the longest state to prevent the inner rod (405) from completely falling off. A fixed pipe (404) is slidably provided on the outer side of the outer cylinder, and the fixed pipe (404) is fixedly connected to the top cover (2).

4. The negative pressure rejection structure of the multi-channel tobacco shreds and tobacco leaves rejection device according to claim 3, characterized in that: At least one locking bolt (403) is provided outside the fixed pipe (404), and the locking bolt (403) penetrates the fixed pipe (404) and contacts the outer cylinder that slides inside to fix the outer cylinder by extrusion friction.

5. The negative pressure rejection structure of the multi-channel tobacco shred and tobacco leaf rejection device according to claim 4, characterized in that: A control frame (7) is fixedly provided at the bottom of the top cover (2); the movable suction cylinder (402) is slidably connected to the control frame (7); and a transmission device provided on the control frame (7) drives the movable suction cylinder (402) to move downward; and the fixed pipe (404) is fixedly connected to the outer side of the control frame (7).

6. The negative pressure rejection structure of the multi-channel tobacco shreds and tobacco leaves rejection device according to claim 5, characterized in that: The transmission device includes an electric push rod and / or a motor and a threaded rod that cooperate to drive the object to move up and down.

7. The negative pressure rejection structure of the multi-channel tobacco shred and tobacco leaf rejection device according to claim 2, characterized in that: The guide arc plate (407) is kept at a certain distance from the bottom opening of the suction port (8) so that the guide arc plate (407) is only for guidance and does not hinder the entire suction process.

8. The negative pressure rejection structure of the multi-channel tobacco shreds and tobacco leaves rejection device according to claim 1, characterized in that: A delivery pipe (5) and a collection bucket (6) are provided on one side of the negative pressure generating device (3), and support legs (1) are provided at the four corners of the bottom of the top cover (2).

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