A filament air separator screen cleaning device

Abstract

This utility model discloses a tobacco stem air separator screen cleaning device, relating to the field of tobacco processing technology. It includes a drive mechanism, a swing tube, and nozzles. The swing tube is rotatably installed inside the air separator chamber, located above the screen. Both ends of the swing tube extend outside the air separator chamber, with one end connected to a compressed air source and the other end sealed. A nozzle is fixedly installed and connected to the swing tube, with the nozzle's outlet facing the screen. The fixed end of the drive mechanism is fixedly installed, and its output end is connected to the sealed end of the swing tube. The drive mechanism outputs to drive the swing tube to reciprocate. Compressed air supplied by the compressed air source is ejected through the nozzles, while the drive mechanism drives the swing tube to reciprocate, cleaning the screen over a wide area. This causes shorter stems adsorbed at the bottom of the screen to detach from the screen and be sent to downstream processes through the outlet, effectively preventing shorter stems from clogging the screen and improving the stem screening effect and product quality.

Description

Technical Field

[0001] This utility model relates to the field of tobacco processing technology, specifically to a device for a screen in a tobacco stem separator. Background Technology

[0002] In tobacco processing, the stem air separator is a key piece of equipment for the air conveying of stems, used to remove dust and debris from the stems.

[0003] In the stem filament air separator, the feeding section and dust removal section are connected to the upper two ends of the air separation chamber, and are respectively connected to the air conveying pipe and the dust removal pipe. The discharge port is located at the bottom of the air separation chamber and is connected to the downstream process. When the stem filament air separator is working, the stem filament mixture containing dust and debris enters the air separation chamber through the air conveying pipe and the feeding section. Under the action of the negative pressure device, the dust and debris in the stem filament mixture pass through the screen set in the air separation chamber and are screened out through the dust removal pipe. The stem filaments are sent to the downstream process through the discharge port under the action of gravity. However, in actual production, the shorter stem filaments in the stem filament mixture are easily adsorbed to the bottom of the screen under the action of the negative pressure device and cannot be sent to the downstream process normally through the discharge port. At the same time, since the screen is located inside the sealed air separation chamber, it is difficult to clean it frequently, which can easily lead to the shorter stem filaments clogging the screen, affecting the stem filament screening problem, and even affecting the normal operation of production. Utility Model Content

[0004] This invention aims to overcome the shortcomings of the existing technology by providing a wire mesh cleaning device for a wire separator.

[0005] The present invention adopts the following technical solution to solve the technical problem: a wire filament air separator screen cleaning device, wherein the upper two ends of the air separator chamber of the wire filament air separator are respectively connected to the feeding section and the dust removal section, and the bottom is opened to the discharge port; the screen is installed and fixed in the air separator chamber, in a downward inclined posture from the feeding section to the dust removal section, and the screen is covered and separated between the dust removal section and the feeding section and between the dust removal section and the discharge port, including a drive mechanism, a swing tube and a nozzle;

[0006] The oscillating tube is rotatably installed inside the air distribution chamber, located above the screen, forming a oscillating tube rotation pair with the air distribution chamber around its own axis; both ends of the oscillating tube extend outside the air distribution chamber, with one end connected to a compressed air source and the other end sealed; the nozzle is installed and connected to the oscillating tube, and the air outlet of the nozzle faces the screen.

[0007] The fixed end of the drive mechanism is fixedly installed, and the output end is installed and connected to one end of the oscillating tube that is blocked; the drive mechanism outputs a motion that drives the oscillating tube to reciprocate.

[0008] Furthermore, the driving mechanism is a crank-rocker mechanism, including a drive motor, a crank, a connecting rod, and a rocker arm;

[0009] The fixed end of the drive motor serves as the fixed end of the drive mechanism and is fixedly installed with the air distribution chamber; the output end of the drive motor is shaft-connected to the front end of the crank; the front end and rear end of the connecting rod are rotatably connected to the rear end of the crank and the front end of the rocker arm, respectively; the rear end of the rocker arm serves as the output end of the drive mechanism and is fixedly installed with one end of the oscillating tube sealing.

[0010] Furthermore, the air distribution chamber is equipped with rows of oscillating tubes with coplanar axes, and each oscillating tube is equipped with a corresponding rocker arm;

[0011] The drive mechanism further includes a connecting rod; the rear end of the connecting rod is rotatably connected to the front end of any one of the rockers, and the remaining rockers are further provided with a connecting rod at both ends, which are rotatably connected to the front end of the rocker and the rear end of the connecting rod, respectively.

[0012] Furthermore, the feeding section and the dust removal section are arranged along the width of the air distribution chamber, and the axis of the swing tube is arranged parallel to the width of the air distribution chamber.

[0013] Furthermore, the side plate of the air distribution compartment near the feeding section is vertically arranged as the feeding section side plate, while the side plate near the dust removal section is arranged in an inclined posture with the distance between it and the feeding section side plate increasing from bottom to top.

[0014] Furthermore, the nozzle is a duckbill-shaped nozzle.

[0015] Furthermore, one end of the oscillating tube is connected to the compressed air source via an air pipe connector and an air pipe.

[0016] Furthermore, at least two nozzles are installed, fixed, and connected at equal intervals on the oscillating tube.

[0017] This utility model provides a wire mesh cleaning device for a wire separator, which has the following beneficial effects:

[0018] 1. The compressed air supplied by the compressed air source of this utility model is sprayed out through the nozzle, and at the same time the drive mechanism drives the swing tube to drive the nozzle to swing back and forth, which cleans the screen over a wide range, so that the shorter filaments adsorbed at the bottom of the screen are separated from the screen and sent to the downstream process through the discharge port. This effectively avoids the shorter filaments from clogging the screen and is conducive to the screening effect of filaments and the guarantee of product quality.

[0019] 2. This utility model can effectively reduce the frequency of opening and cleaning the air separation compartment, which is conducive to improving production continuity and reducing the labor intensity of workers.

[0020] 3. This utility model has a simple structure and can be directly installed into the existing stem air distributor without changing the main structure of the stem air distributor. It is easy to install and has low modification cost. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the isometric structure of this utility model;

[0022] Figure 2 This is a schematic diagram of the left-side structure of this utility model;

[0023] Figure 3 for Figure 1 A schematic diagram of the cross-sectional structure cut by section lines AA and BB.

[0024] In the picture:

[0025] 1. Air distribution compartment; 2. Feeding section; 3. Dust removal section; 4. Discharge port; 5. Screen; 6. Drive mechanism; 61. Drive motor; 62. Crank; 63. Connecting rod; 64. Rocker arm; 65. Connecting rod; 7. Swing pipe; 8. Nozzle. Detailed Implementation

[0026] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below in conjunction with the embodiments of this utility model. Obviously, the described embodiments are only some embodiments of this utility model, 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.

[0027] A filament air separator screen cleaning device, such as Figures 1-3 As shown, its structural relationship is as follows: the upper two ends of the air distribution chamber 1 of the wire filament air distributor are connected to the feeding section 2 and the dust removal section 3, and the bottom is opened with the discharge port 4; the screen 5 is installed and fixed in the air distribution chamber 1, in a downward tilting posture from the feeding section 2 to the dust removal section 3, covering the flow section and separating the dust removal section 3 and the feeding section 2 and the dust removal section 3 and the discharge port 4, including the drive mechanism 6, the swing tube 7 and the nozzle 8;

[0028] The oscillating pipe 7 is rotatably installed inside the air distribution chamber 1, located above the screen 5, forming an oscillating pipe rotating pair with the air distribution chamber 1 with its own axis as the rotation axis; both ends of the oscillating pipe 7 extend outside the air distribution chamber 1, and one end is connected to the compressed air source, while the other end is blocked; a nozzle 8 is installed and connected on the oscillating pipe 7, and the air outlet of the nozzle 8 faces the screen 5.

[0029] The fixed end of the drive mechanism 6 is fixedly installed, and the output end is installed and connected to the end of the oscillating tube 7 that is blocked; the output of the drive mechanism 6 drives the oscillating tube 7 to reciprocate.

[0030] Preferably, the drive mechanism 6 is a crank-rocker mechanism, including a drive motor 61, a crank 62, a connecting rod 63, and a rocker 64;

[0031] The fixed end of the drive motor 61 serves as the fixed end of the drive mechanism 6 and is installed and fixed to the air distribution chamber 1; the output end of the drive motor 61 is shaft-connected to the front end of the crank 62; the front end and rear end of the connecting rod 63 are rotatably connected to the rear end of the crank 62 and the front end of the rocker arm 64, respectively; the rear end of the rocker arm 64 serves as the output end of the drive mechanism 6 and is installed and fixed to one end of the oscillating tube 7 that is blocked.

[0032] Preferably, the air distribution chamber 1 is provided with rows of oscillating tubes 7 with coplanar axes, and each oscillating tube 7 is equipped with a rocker arm 64.

[0033] The drive mechanism 6 also includes a connecting rod 65; the rear end of the connecting rod 63 is rotatably connected to the front end of any one of the rockers 64, and the remaining rockers 64 and the connecting rod 63 are also provided with connecting rods 65 at both ends, which are rotatably connected to the front end of the rocker 64 and the rear end of the connecting rod 63 respectively.

[0034] Preferably, the feeding section 2 and the dust removal section 3 are arranged along the width of the air distribution chamber 1, and the axis of the swing pipe 7 is arranged parallel to the width of the air distribution chamber 1.

[0035] Preferably, the side plate of the air separation chamber 1 near the feeding section 2 is vertically arranged as the feeding section side plate, and the side plate near the dust removal section 3 is arranged in an inclined posture with the distance between it and the feeding section side plate increasing from bottom to top.

[0036] Preferably, nozzle 8 is a duckbill-shaped nozzle, which has a large blowing range.

[0037] Preferably, one end of the oscillating tube 7 is connected to a compressed air source via an air pipe connector and an air pipe.

[0038] Preferably, at least two nozzles 8 are installed, fixed, and connected at equal intervals on the oscillating tube 7.

[0039] The cleaning of the stalk separator screen using the above-mentioned stalk air separator screen cleaning device includes the following process:

[0040] The drive motor 61 of the drive mechanism 6 outputs a fixed-axis rotation, which drives the crank 62 to swing around the whole circle. The swing of the crank 62 is transmitted to the rocker arm 64 via the connecting rod 63, or via the connecting rod 63 and the connecting rod 65, and is converted into the reciprocating swing of the rocker arm 64, which drives each swing tube 7 to reciprocate around the fixed axis. The nozzle 8 follows the reciprocating swing of the swing tube 7.

[0041] At the same time, compressed air is supplied by a compressed air source, flows through the air pipe and swing pipe 7 and is sprayed out by each nozzle 8. It blows the screen 5 from above, causing the shorter filaments adsorbed at the bottom of the screen to detach from the screen and be sent to the downstream process through the discharge port.

[0042] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0043] The above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model.

Claims

1. A wire stem air separator screen cleaning device, wherein the upper two ends of the air separator chamber (1) of the wire stem air separator are respectively connected to the feeding section (2) and the dust removal section (3), and the bottom is provided with a discharge port (4); the screen (5) is installed and fixed in the air separator chamber (1), in a downward inclined posture from the feeding section (2) to the dust removal section (3), and the screen is provided between the dust removal section (3) and the feeding section (2) and between the dust removal section (3) and the discharge port (4), characterized in that: Includes a drive mechanism (6), a swing tube (7), and a nozzle (8); The oscillating pipe (7) is rotatably installed inside the air distribution chamber (1) and located above the screen (5), forming a oscillating pipe rotation pair with the air distribution chamber (1) with its own axis as the rotation axis; both ends of the oscillating pipe (7) extend outside the air distribution chamber (1), and one end is connected to the compressed air source, while the other end is blocked; the nozzle (8) is installed and connected to the oscillating pipe (7), and the air outlet of the nozzle (8) faces the screen (5); The fixed end of the drive mechanism (6) is fixedly installed, and the output end is installed and connected to one end of the oscillating tube (7) that is blocked; the drive mechanism (6) outputs a motion that drives the oscillating tube (7) to swing back and forth.

2. The stalk and wire separator screen cleaning device according to claim 1, characterized in that: The drive mechanism (6) is a crank-rocker mechanism, including a drive motor (61), a crank (62), a connecting rod (63), and a rocker (64). The fixed end of the drive motor (61) serves as the fixed end of the drive mechanism (6) and is installed and fixed to the air distribution chamber (1); the output end of the drive motor (61) is axially connected to the front end of the crank (62); the front end and rear end of the connecting rod (63) are rotatably connected to the rear end of the crank (62) and the front end of the rocker arm (64) respectively; the rear end of the rocker arm (64) serves as the output end of the drive mechanism (6) and is installed and fixed to one end of the oscillating tube (7) that is blocked.

3. The stalk and wire separator screen cleaning device according to claim 2, characterized in that: The air distribution chamber (1) is provided with rows of oscillating tubes (7) with coplanar axes, and each oscillating tube (7) is equipped with a rocker arm (64). The drive mechanism (6) further includes a connecting rod (65); the rear end of the connecting rod (63) is rotatably connected to the front end of any one of the rockers (64), and the remaining rockers (64) and the connecting rod (63) are further provided with a connecting rod (65) at both ends, which are rotatably connected to the front end of the rocker (64) and the rear end of the connecting rod (63) respectively.

4. The stalk and wire separator screen cleaning device according to claim 1, characterized in that: The feeding section (2) and the dust removal section (3) are arranged along the width of the air distribution chamber (1), and the axis of the swing pipe (7) is arranged parallel to the width of the air distribution chamber (1).

5. The stalk and wire separator screen cleaning device according to claim 1, characterized in that: The side plate of the air distribution compartment (1) near the feeding section (2) is vertically arranged as the feeding section side plate, and the side plate near the dust removal section (3) is arranged in an inclined posture with the distance between it and the feeding section side plate increasing from bottom to top.

6. The stalk and wire air separator screen cleaning device according to claim 1, characterized in that: The nozzle (8) is a duckbill-shaped nozzle.

7. The stalk and wire separator screen cleaning device according to claim 1, characterized in that: One end of the oscillating tube (7) is connected to the compressed air source through an air pipe connector and an air pipe.

8. The stalk and wire separator screen cleaning device according to claim 1, characterized in that: At least two nozzles (8) are installed, fixed, and connected at equal intervals on the oscillating tube (7).

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