Tobacco shred conveying device and electrostatic elimination method for tobacco shred conveying

Abstract

The invention relates to the technical field of tobacco production, and particularly discloses a cut tobacco conveying device and a cut tobacco conveying static electricity elimination method. A conductive structure is arranged on a cut tobacco storage box to guide electrostatic charges in the cut tobacco storage box out of the cut tobacco storage box, a static electricity elimination mechanism is installed on a conveying mechanism, and static electricity of the conductive structure is eliminated through the static electricity elimination mechanism; therefore, static electricity inside and outside the wire storage box is eliminated in the conveying process of the wire storage box, and static electricity elimination does not completely depend on the wire storage box and is not limited by using time and scenes.

Description

Technical Field

[0001] This invention relates to the field of tobacco production technology, and in particular to a tobacco conveying device and a method for eliminating static electricity during tobacco conveying. Background Technology

[0002] During tobacco production, storage boxes easily generate and accumulate large amounts of static charge when moved, rubbed, or exposed to dry air. This accumulated charge can trigger electrostatic discharge during production, interfering with the normal operation of related electronic components and causing production abnormalities or even forced shutdowns. Furthermore, static electricity can attract dust and other impurities from the environment, causing tobacco contamination. The tobacco within the storage boxes can also clump together or become unevenly distributed due to static electricity, affecting subsequent cutting and rolling processes. Simultaneously, sparks generated by electrostatic discharge can potentially cause fires or even explosions.

[0003] In response to this, related technologies typically use anti-static materials to make wire storage boxes. However, with increased usage time, the anti-static performance gradually deteriorates, and the static electricity elimination effect gradually worsens. Alternatively, grounding chains can be used to ground the wire storage box to remove static electricity from its surface. However, this still cannot achieve the release of static electricity inside the wire storage box. Furthermore, when the wire storage box is located in a non-conductive area, static electricity cannot be released through grounding chains. Summary of the Invention

[0004] The purpose of this invention is to provide a tobacco conveying device and a method for eliminating static electricity during tobacco conveying, so as to eliminate static electricity inside and outside the tobacco storage box during the conveying process, without being limited by the time and scene of use.

[0005] This invention provides a tobacco conveying device, comprising: A tobacco storage box for holding tobacco shreds, the tobacco storage box being provided with a conductive structure for conducting electrostatic charges from inside the tobacco storage box to the outside of the tobacco storage box; A conveying mechanism is used to convey the wire storage box; An electrostatic elimination mechanism is installed on the conveying mechanism. The electrostatic elimination mechanism is configured such that when the wire storage box is conveyed on the conveying mechanism, the conductive structure passes through the electrostatic elimination mechanism, and the electrostatic elimination mechanism is used to eliminate the static electricity of the conductive structure.

[0006] As a preferred technical solution for the tobacco conveying device, the conveying mechanism includes a bracket, a mounting plate, a conveying roller, and a guide plate. Two mounting plates are provided, both of which extend along the conveying direction of the tobacco storage box. The two ends of the conveying roller are rotatably connected to the two mounting plates respectively. The bracket is used to support the mounting plates. The guide plate is located above the mounting plates and is fixedly connected to the mounting plates. The static electricity elimination mechanism is installed on the guide plate.

[0007] As a preferred technical solution for the tobacco conveying device, the guide plate includes two plates, which are respectively fixedly connected to the two mounting plates. The static electricity elimination mechanism includes two plates, which are respectively mounted on the two guide plates.

[0008] As a preferred technical solution for the tobacco conveying device, the static elimination mechanism includes a mounting base and a spring carbon brush. The mounting base is fixedly connected to the side of the guide plate away from the tobacco storage box. The spring carbon brush is mounted on the mounting base. When the tobacco storage box passes through the static elimination mechanism, the spring carbon brush slides in cooperation with the conductive structure.

[0009] As a preferred technical solution for the tobacco conveying device, the guide plate is provided with an opening, and at least a portion of the spring carbon brush passes through the opening and abuts against the conductive structure.

[0010] As a preferred technical solution for the tobacco conveying device, the conductive structure extends along the conveying direction of the tobacco storage box, with a portion of the conductive structure located inside the tobacco storage box and another portion protruding from the outer surface of the tobacco storage box.

[0011] As a preferred technical solution for the tobacco conveying device, both ends of the guide plate are provided with guide portions, which extend toward the guide plate in a direction away from the tobacco storage box.

[0012] As a preferred technical solution for the tobacco conveying device, the conveying mechanism further includes a support base, the guide plate and the mounting plate are fixedly connected by the support base, and the support base is used to change the horizontal position and / or vertical position of the guide plate relative to the mounting plate.

[0013] This invention provides a method for eliminating static electricity during tobacco conveying, applicable to any of the tobacco conveying devices described above. The method for eliminating static electricity during tobacco conveying includes: The tobacco shreds are loaded into the tobacco storage box, and the tobacco storage box is transported along the conveying mechanism; Adjust the conveying speed of the wire storage box so that the static elimination mechanism takes longer than the set value to eliminate static electricity from the wire storage box.

[0014] As a preferred technical solution for static elimination method of tobacco conveying, the static elimination mechanism includes a spring carbon brush, a current transformer and an ion fan. The spring carbon brush and the ion fan are both used to eliminate static electricity in the tobacco storage box. Along the conveying direction of the tobacco storage box, the ion fan is located downstream of the spring carbon brush, and the current transformer is used to sense the current in the grounding wire. When the spring carbon brush performs static elimination on a certain wire storage box, if the maximum induced current of the current transformer is greater than or equal to the preset value, the ion fan is turned on to perform static elimination on the wire storage box.

[0015] The beneficial effects of this invention are as follows: This invention provides a tobacco conveying device. By setting a conductive structure on the tobacco storage box to conduct the electrostatic charge inside the tobacco storage box to the outside of the tobacco storage box, and installing an electrostatic elimination mechanism on the conveying mechanism, the electrostatic elimination mechanism eliminates the electrostatic charge on the conductive structure, thereby realizing the elimination of electrostatic charge inside and outside the tobacco storage box during the conveying process. The elimination of electrostatic charge no longer depends entirely on the tobacco storage box itself and is not limited by the time and scenario of use. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the tobacco conveying device in an embodiment of the present invention; Figure 2 This is a schematic diagram of the structure of the wire storage box in an embodiment of the present invention; Figure 3 This is a schematic diagram of the structure of the electrostatic elimination mechanism and the wire storage box in an embodiment of the present invention.

[0017] In the picture: 1. Wire storage box; 11. Conductive structure; 2. Conveying mechanism; 21. Bracket; 22. Mounting plate; 23. Conveying roller; 24. Foot; 25. Guide plate; 251. Guide part; 252. Opening; 261. First support seat; 262. Second support seat; 27. Connector; 3. Static elimination mechanism; 31. Mounting seat; 32. Spring carbon brush; 33. Current transformer; 34. Grounding wire. Detailed Implementation

[0018] The technical solution of the present invention will now be clearly and completely described with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0019] In the description of this invention, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing the invention and for simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance. The terms "first position" and "second position" refer to two different positions. Furthermore, "above," "on top of," and "over" the first feature in relation to the second feature includes the first feature directly above and diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "under," and "below" the first feature in relation to the second feature includes the first feature directly below and diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0020] In the description of this invention, 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 an electrical 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 invention according to the specific circumstances.

[0021] Embodiments of the present invention are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and should not be construed as limiting the present invention.

[0022] like Figures 1-3As shown, this embodiment of the invention provides a tobacco conveying device, including a tobacco storage box 1, a conveying mechanism 2, and a static electricity elimination mechanism 3. The tobacco storage box 1 is used to hold tobacco, and a conductive structure 11 is provided on the tobacco storage box 1. The conductive structure 11 is used to conduct static charge from inside the tobacco storage box 1 to the outside of the tobacco storage box 1. The conveying mechanism 2 is used to convey the tobacco storage box 1. The static electricity elimination mechanism 3 is installed on the conveying mechanism 2. The static electricity elimination mechanism 3 is configured such that when the tobacco storage box 1 is conveyed on the conveying mechanism 2, the conductive structure 11 passes through the static electricity elimination mechanism 3, and the static electricity elimination mechanism 3 eliminates static electricity on the conductive structure 11. By providing a conductive structure 11 on the tobacco storage box 1 to conduct static charge from inside the tobacco storage box 1 to the outside of the tobacco storage box 1, and installing the static electricity elimination mechanism 3 on the conveying mechanism 2 to eliminate static electricity on the conductive structure 11, static electricity inside and outside the tobacco storage box 1 is eliminated during the conveying process. The elimination of static electricity no longer depends entirely on the tobacco storage box 1 itself and is not limited by usage time or scenario.

[0023] Specifically, such as Figure 1 and Figure 3 As shown, the conveying mechanism 2 includes a bracket 21, a mounting plate 22, conveying rollers 23, and a guide plate 25. Two mounting plates 22 are provided, both extending along the conveying direction of the wire storage box 1. The two ends of the conveying rollers 23 are rotatably connected to the two mounting plates 22, and multiple conveying rollers 23 are provided, spaced apart along the conveying direction of the wire storage box 1. During the conveying of the wire storage box 1, at least three conveying rollers 23 are always used to convey the wire storage box 1 to ensure a smooth and continuous conveying process. The multiple conveying rollers 23 together form a conveying plane, on which the wire storage box 1 is conveyed forward. The bracket 21 supports the mounting plate 22, and the bottom of the bracket 21 is threaded with feet 24. The height of the bracket 21 is adjusted by the feet 24, thereby changing the height of the mounting plate 22. Multiple supports 21 are provided, spaced apart along the conveying direction of the wire storage box 1. By adjusting the height of the feet 24 of the multiple supports 21, the multiple conveying rollers 23 are made to be at the same height or gradually decrease along the conveying angle of the wire storage box 1, that is, the conveying plane remains horizontal or tilted forward and downward. The guide plate 25 is located above the mounting plate 22 and is fixedly connected to the mounting plate 22. The static elimination mechanism 3 is installed on the guide plate 25, so that the static elimination mechanism 3 is located above the conveying plane to ensure that the static elimination mechanism 3 can effectively eliminate static electricity from the wire storage box 1. In this embodiment, the conveying rollers 23 can be unpowered conveying rollers 23 or powered conveying rollers 23, or powered conveying rollers 23 and unpowered conveying rollers 23 can be arranged alternately. When the conveying rollers 23 are unpowered conveying rollers 23, the height of each support 21 gradually decreases along the conveying direction of the wire storage box 1, so the height of each conveying roller 23 gradually decreases along the conveying direction of the wire storage box 1, and the wire storage box 1 is conveyed forward by gravity.

[0024] Furthermore, the guide plate 25 comprises two plates, each fixedly connected to one of the two mounting plates 22. The static eliminator 3 comprises two mechanisms, each mounted on one of the two guide plates 25. Thus, as the wire storage box 1 passes through, the two static eliminators 3 simultaneously eliminate static electricity from the wire storage box 1, improving the static elimination effect. Alternatively, the two guide plates 25 mounted on the two mounting plates 22 can be grouped together, and multiple groups of guide plates 25 can be set up at intervals along the conveying direction of the wire storage box 1. Each group of guide plates 25 is equipped with a static eliminator 3 to further enhance the static elimination effect.

[0025] Specifically, such as Figures 1-3 As shown, the static elimination mechanism 3 includes a mounting base 31 and a spring carbon brush 32. The mounting base 31 is fixedly connected to the side of the guide plate 25 away from the wire storage box 1, and the spring carbon brush 32 is mounted on the mounting base 31. When the wire storage box 1 passes through the static elimination mechanism 3, the spring carbon brush 32 slides against the conductive structure 11. The guide plate 25 has an opening 252, and at least a portion of the spring carbon brush 32 passes through the opening 252 and abuts against the conductive structure 11. The structure of the spring carbon brush 32 is prior art in the art, comprising a spring and a carbon brush. The two ends of the spring abut against the mounting base 31 and the carbon brush, respectively. The carbon brush is grounded through a grounding wire 34. When the wire storage box 1 passes through, the carbon brush contacts the conductive structure 11, and the static charge on the conductive structure 11 is released through the carbon brush and the grounding wire 34. Under the elastic force of the spring, the carbon brush can press firmly against the conductive structure 11 throughout the entire process, thereby ensuring good contact between the carbon brush and the conductive structure 11 and ensuring the static discharge effect.

[0026] Specifically, the conductive structure 11 extends along the conveying direction of the wire storage box 1, with a portion of the conductive structure 11 located inside the wire storage box 1 and another portion protruding from the outer surface of the wire storage box 1. This allows electrostatic charges inside and outside the wire storage box 1 to be concentrated on the conductive structure 11, so that the accumulated electrostatic charges on the conductive structure 11 can be released when the conductive structure 11 slides against the spring carbon brush 32. The conductive structure 11 is preferably made of a metal material, such as stainless steel, aluminum, or copper. The conductive structure 11 can be integrally formed, welded, or bonded to the box body.

[0027] Furthermore, such as Figure 1 and Figure 3As shown, the static elimination mechanism 3 also includes a current transformer 33, which is mounted on the guide plate 25. The grounding wire 34 of the spring carbon brush 32 passes through the current transformer 33, and the current transformer 33 is used to sense the current in the grounding wire 34. By setting the current transformer 33, the static elimination status of the wire storage box 1 can be obtained from the current value of the current transformer 33, so as to facilitate the adjustment of subsequent conveying speed, etc., and to further eliminate static electricity in the wire storage box 1.

[0028] Optionally, the static eliminator 3 also includes an ion fan (not shown in the figure). Along the conveying direction of the wire storage box 1, the ion fan is positioned downstream of the spring carbon brush 32, with its outlet facing the wire storage box 1 and used to eliminate static electricity in the wire storage box 1. The current transformer 33 is electrically connected to the ion fan. By positioning the ion fan downstream of the spring carbon brush 32, the static electricity in the wire storage box 1 is further eliminated, improving the static eliminator effect. The ion fan can be fixedly connected to the mounting plate 22 or the guide plate 25, or it can be positioned on both sides of the conveying structure. The specific placement method depends on the actual site environment and is not specifically limited here. The specific structure of the ion fan and its principle for eliminating static electricity are existing technologies in this field and will not be elaborated upon here.

[0029] Furthermore, such as Figure 1 and Figure 3 As shown, the conveying mechanism 2 also includes a support base. The guide plate 25 and the mounting plate 22 are fixedly connected by the support base. The support base is used to change the horizontal and / or vertical position of the guide plate 25 relative to the mounting plate 22 to adapt to the static elimination requirements of different specifications of wire storage boxes 1. The support base includes a first support base 261 and a second support base 262. The first support base 261 is fixedly connected to the mounting plate 22. The first support base 261 is provided with an elongated hole extending in the horizontal direction. Fasteners pass through the elongated hole on the first support base 261 and are fixedly connected to the second support base 262, thereby changing the horizontal position of the second mounting base 31. The second mounting base 31 is provided with an elongated hole extending in the vertical direction. Fasteners pass through the elongated hole on the second mounting base 31 and are fixedly connected to the guide plate 25, thereby changing the vertical position of the guide plate 25. By setting the first mounting base 31 and the second mounting base 31, the horizontal or vertical position of the guide plate 25 relative to the mounting plate 22 can be changed, and the horizontal and vertical positions of the guide plate 25 relative to the mounting plate 22 can be changed simultaneously.

[0030] Optionally, such as Figure 1 and Figure 3As shown, guide portions 251 are provided at both ends of the guide plate 25, and the guide portions 251 are inclined and extend away from the wire storage box 1. The guide portions 251 can guide the wire storage box 1 as it passes by, so that the conductive structure 11 of the wire storage box 1 maintains good contact with the static elimination structure. At the same time, the guide portions 251 are provided at both ends of the guide plate 25, so there is no need to distinguish the direction of the guide plate 25 during installation, reducing the types of parts and improving the degree of standardization.

[0031] This invention provides a method for eliminating static electricity during tobacco conveying, applied to the tobacco conveying device in this embodiment. The method for eliminating static electricity during tobacco conveying includes: The tobacco shreds are loaded into the tobacco storage box 1, and the tobacco storage box 1 is conveyed along the conveying mechanism 2; Adjust the conveying speed of the wire storage box 1 so that the static elimination mechanism 3 takes longer than the set value to eliminate static electricity in the wire storage box 1.

[0032] When the wire storage box 1 passes through the static elimination mechanism 3, the conveying speed of the wire storage box 1 is changed by adjusting the rotation speed of the conveying roller 23 or by adjusting the height of multiple conveying rollers 23 near the corresponding position of the static elimination mechanism 3. This makes the contact time between the wire storage box 1 and the static elimination mechanism 3 greater than the set value, thereby eliminating the static electricity of the wire storage box 1 as much as possible.

[0033] Furthermore, when the spring carbon brush 32 performs static elimination on a certain wire storage box 1, if the maximum induced current of the current transformer 33 is greater than or equal to the preset value, the ion fan is turned on to perform static elimination on the wire storage box 1.

[0034] When the spring carbon brush 32 performs electrostatic elimination on a certain wire storage box 1, if the maximum induced current of the current transformer 33 is greater than or equal to the preset value, it indicates that the electrostatic charge accumulated in the wire storage box 1 is relatively large. When the spring carbon brush 32 loses contact with the conductive structure 11, the electrostatic charge in the wire storage box 1 may not be completely released. At this time, a secondary electrostatic elimination is performed on the wire storage box 1 by an ion fan to ensure the effectiveness of electrostatic elimination.

[0035] The above description is merely a preferred embodiment of the present invention and an explanation of the technical principles employed. Those skilled in the art should understand that the scope of disclosure in this invention is not limited to technical solutions formed by specific combinations of the above-described technical features, but should also cover other technical solutions formed by arbitrary combinations of the above-described technical features or their equivalents without departing from the above-disclosed concept. For example, technical solutions formed by substituting the above features with (but not limited to) technical features with similar functions disclosed in this invention.

[0036] Obviously, the above embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the implementation of the present invention. Those skilled in the art can make other variations or modifications based on the above description. It is neither necessary nor possible to exhaustively describe all embodiments here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention should be included within the scope of protection of the claims of the present invention.

Claims

1. A tobacco conveying device, characterized in that, include: A tobacco storage box (1) is used to hold tobacco shreds. A conductive structure (11) is provided on the tobacco storage box (1). The conductive structure (11) is used to conduct the electrostatic charge inside the tobacco storage box (1) to the outside of the tobacco storage box (1). Conveying mechanism (2), the conveying mechanism (2) is used to convey the wire storage box (1); An electrostatic elimination mechanism (3) is installed on the conveying mechanism (2). The electrostatic elimination mechanism (3) is configured such that when the wire storage box (1) is conveyed on the conveying mechanism (2), the conductive structure (11) passes through the electrostatic elimination mechanism (3). The electrostatic elimination mechanism (3) is used to eliminate the static electricity of the conductive structure (11).

2. The tobacco conveying device according to claim 1, characterized in that, The conveying mechanism (2) includes a bracket (21), a mounting plate (22), a conveying roller (23), and a guide plate (25). There are two mounting plates (22), both of which extend along the conveying direction of the wire storage box (1). The two ends of the conveying roller (23) are rotatably connected to the two mounting plates (22). The bracket (21) is used to support the mounting plate (22). The guide plate (25) is located above the mounting plate (22) and is fixedly connected to the mounting plate (22). The static elimination mechanism (3) is installed on the guide plate (25).

3. The tobacco conveying device according to claim 2, characterized in that, The guide plate (25) includes two, and the two guide plates (25) are fixedly connected to the two mounting plates (22) respectively. The static elimination mechanism (3) includes two, and the two static elimination mechanisms (3) are respectively installed on the two guide plates (25).

4. The tobacco conveying device according to claim 3, characterized in that, The static elimination mechanism (3) includes a mounting base (31) and a spring carbon brush (32). The mounting base (31) is fixedly connected to the guide plate (25) on the side away from the wire storage box (1). The spring carbon brush (32) is mounted on the mounting base (31). When the wire storage box (1) passes through the static elimination mechanism (3), the spring carbon brush (32) slides in cooperation with the conductive structure (11).

5. The tobacco conveying device according to claim 4, characterized in that, The guide plate (25) has an opening (252), through which at least a portion of the spring carbon brush (32) passes and abuts against the conductive structure (11).

6. The tobacco conveying device according to claim 4, characterized in that, The conductive structure (11) extends along the conveying direction of the wire storage box (1), with a portion of the conductive structure (11) located inside the wire storage box (1) and another portion protruding from the outer surface of the wire storage box (1).

7. The tobacco conveying device according to claim 2, characterized in that, Both ends of the guide plate (25) are provided with guide portions (251), and the guide portions (251) extend toward the guide plate (25) away from the wire storage box (1).

8. The tobacco conveying device according to claim 2, characterized in that, The conveying mechanism (2) further includes a support base, and the guide plate (25) and the mounting plate (22) are fixedly connected by the support base. The support base is used to change the horizontal position and / or vertical position of the guide plate (25) relative to the mounting plate (22).

9. A method for eliminating static electricity during tobacco conveying, characterized in that, The method for eliminating static electricity in the tobacco conveying apparatus according to any one of claims 1-8 includes: The tobacco shreds are loaded into the tobacco storage box (1) and transported along the conveying mechanism (2); Adjust the conveying speed of the wire storage box (1) so that the static elimination mechanism (3) eliminates static electricity in the wire storage box (1) for a longer time than the set value.

10. The method for eliminating static electricity during tobacco conveying according to claim 9, characterized in that, The static elimination mechanism (3) includes a spring carbon brush (32), a current transformer (33) and an ion fan. The spring carbon brush (32) and the ion fan are both used to eliminate static electricity in the wire storage box (1). Along the conveying direction of the wire storage box (1), the ion fan is located downstream of the spring carbon brush (32). The current transformer (33) is used to sense the current in the grounding wire (34) of the spring carbon brush (32). When the spring carbon brush (32) performs static elimination on a certain wire storage box (1), if the maximum induced current of the current transformer (33) is greater than or equal to the preset value, the ion fan is turned on to perform static elimination on the wire storage box (1).

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