CN113349401B

CN113349401B - Multifunctional tobacco leaf threshing and redrying threshing knife structure

Info

Publication number: CN113349401B
Application number: CN202110725557.1A
Authority: CN
Inventors: 闫铁军; 周平; 周崇健; 王欣; 王跃; 王龙; 王凯悦; 李虎
Original assignee: China Tobacco Hubei Industrial LLC
Current assignee: China Tobacco Hubei Industrial LLC
Priority date: 2021-06-29
Filing date: 2021-06-29
Publication date: 2022-09-02
Anticipated expiration: 2041-06-29
Also published as: CN113349401A

Abstract

The invention provides a multifunctional tobacco leaf threshing and redrying knife structure, which relates to the technical field of threshing and redrying and comprises a knife roller, a knife disk and knives, wherein each knife comprises a first knife, a second knife and a third knife, a first opening edge is arranged on one side of each first knife, each second knife is a trapezoidal piece, a second opening edge is arranged on one side of each second knife, an arc-shaped opening edge is arranged on one side of each third knife, a mounting groove is formed in each knife roller, at least one part of each knife disk and each knife is positioned in the mounting groove, a rotating shaft is arranged on each knife disk, and each rotating shaft drives one knife to extend out of the mounting groove to cut tobacco leaves. The tobacco leaf threshing machine is simple in structure, various threshing knives can be switched at will, cigarettes with different requirements can be cut according to different leaf ratios, threshing quality is good, two sides of each threshing knife are different, threshing modes are more diversified, switching among the various threshing modes is convenient, manual disassembly and replacement of the threshing knives are not needed, and threshing efficiency is high.

Description

Multifunctional tobacco leaf threshing and redrying knife structure

Technical Field

The invention relates to the technical field of threshing and redrying,

in particular, the invention relates to a multifunctional threshing and redrying knife structure for tobacco leaves.

Background

With the push-out of specific cigarettes such as slim cigarettes, the requirements of clients in the cigarette production industry on the tobacco leaf threshing and redrying sheet-type structures are more and more diversified, and higher requirements are provided for threshing and redrying in order to meet the personalized requirements of the clients.

The main process of the prior tobacco leaf threshing and redrying comprises the steps of removing impurities from tobacco leaves, cutting the tobacco leaves, and finally redrying. For example, the invention patent CN101999752A relates to a method for cutting, threshing and redrying tobacco leaves, which is technically characterized in that the parts of cut tobacco leaves with the minimum breaking strength, the worst physical processing resistance and the poorer sensory quality and appearance of smoking quality and appearance quality are cut and threshed separately. The main advantages are that the cut tobacco leaves are processed independently, the tobacco leaves of the residual non-leaf-based tobacco leaves are crushed less when the leaves and the stems are separated independently, the leaf structure is more uniform after the leaves and the stems are separated, the green and impurity content ratio of the tobacco leaves is reduced, the ratio of large and medium leaves after threshing is improved, the crushing generated when the leaves and the stems are separated is reduced, the leaf discharging ratio is improved, and the purity of the tobacco leaves is improved. After the partial tobacco leaves of the leaf-based tobacco leaves are treated by the slitting, threshing and redrying method, the suction quality of the leaf base is better, the fragrance amount is improved, the smoke explosive force is increased, the suction comfort is improved, the miscellaneous gas is reduced, and the use value of the tobacco leaves can be improved.

However, the method for cutting, threshing and redrying the tobacco leaves still has the following problems: the tobacco leaves are cut only by using a conventional threshing knife, the tobacco leaves with different proportions cannot be manufactured and cut for the cigarettes with different requirements, particularly, the tobacco leaf type structure proportion of specific cigarettes such as thin cigarettes is poor in control, the threshing quality is poor, and when the tobacco leaves are not used for cutting, the threshing machine needs to be disassembled, the threshing knife blades with various specifications need to be manually replaced, so that manpower and material resources are wasted, and the threshing and redrying efficiency is reduced.

Therefore, in order to solve the above problems, it is necessary to design a reasonable and efficient multifunctional tobacco leaf threshing and redrying knife structure.

Disclosure of Invention

The invention aims to provide a multifunctional tobacco leaf threshing and redrying threshing knife structure which is simple in structure, can be switched between various threshing knives at will, can cut cigarettes with different leaf ratios according to different requirements, is good in threshing quality, different in threshing knife two sides, more diversified in threshing modes, convenient to switch between the various threshing modes, free of manual disassembly and replacement of the threshing knives and high in threshing efficiency.

In order to achieve the purpose, the invention is realized by adopting the following technical scheme:

a multifunctional tobacco leaf threshing and redrying threshing knife structure comprises a threshing roller, a threshing disc arranged on the threshing roller and a threshing knife arranged on the threshing disc, the beating knife comprises a first beating knife, a second beating knife and a third beating knife, wherein a first sharpening edge is arranged on one side of the first beating knife, the second beating knife is a trapezoidal piece, and one side of the second unclamping knife is provided with a second edging, one side of the third unclamping knife is provided with an arc edging, the knife beating roller is provided with a mounting groove, at least one part of each of the knife beating disc and the knife beating is positioned in the mounting groove, the cutter disc is provided with a rotating shaft for driving the cutter disc to rotate, the cutter disc is arranged at the notch of the mounting groove, so that make the cutter disc is kept away from when the axis of rotation drives the rotation the cutter in the axle center of beating the knife roller stretches out outside the mounting groove, and it is right when beating the knife roller and rotating the tobacco leaf in the beating knife roller outside cuts.

Preferably, a fixed disc is arranged on one side, away from the rotating shaft, of the cutter driving disc, a limiting groove is arranged on one side, close to the fixed disc, of the cutter driving disc, a limiting column extending towards the limiting groove is arranged on one side, close to the cutter driving disc, of the fixed disc, and a telescopic rod is arranged on one side, away from the cutter driving disc, of the fixed disc.

Preferably, the number of the limiting grooves and the number of the limiting columns are at least one, and the limiting grooves are uniformly arranged around the circle center of the punching head.

Preferably, a driving motor is arranged at one end, away from the beating disc, of the rotating shaft, and the telescopic rod is electrically connected with the driving motor.

Preferably, the unclamping roller is provided with a unclamping roller shaft and a unclamping motor for driving the unclamping roller shaft to rotate.

Preferably, the first beating knife, the second beating knife and the third beating knife are all provided with a first mounting hole and a second mounting hole, and the beating disc is provided with a first mounting groove, a second mounting groove, a first mounting bolt for penetrating through the first mounting hole and being inserted into the first mounting groove, and a second mounting bolt for penetrating through the second mounting hole and being inserted into the second mounting groove.

Preferably, the inner diameter of the first mounting hole is not larger than the inner diameter of the second mounting hole.

Preferably, a side of the third sanding tool away from the arc-shaped opening edge is provided with an inclined edge.

Preferably, the number of the mounting grooves and the number of the beater heads are at least one.

Preferably, the number of the first beating knife, the second beating knife and the third beating knife is at least one.

The multifunctional tobacco leaf threshing and redrying threshing knife structure has the advantages that: simple structure can switch wantonly between the multiple threshing teeth, can cut different blade ratios to the cigarette of different demands, and threshing teeth is of high quality, and each kind of both sides of threshing teeth are also different, and the threshing teeth mode is more diversified, and the switching between the multiple threshing teeth mode is convenient, need not to carry out manual dismantlement and changes the threshing teeth, and threshing teeth is efficient.

Drawings

FIG. 1 is a schematic view of the overall structure of an embodiment of a multifunctional tobacco threshing and redrying knife structure of the present invention;

FIG. 2 is a schematic structural view of a first threshing knife of an embodiment of the threshing and redrying threshing knife structure of the multifunctional tobacco leaf of the present invention;

FIG. 3 is a schematic structural view of a second threshing knife according to an embodiment of the present invention;

FIG. 4 is a schematic structural view of a third threshing knife according to an embodiment of the present invention;

FIG. 5 is a schematic view of the combination of a threshing disc and a fixing disc of an embodiment of the multifunctional tobacco threshing and redrying threshing knife structure of the present invention;

FIG. 6 is a schematic cross-sectional view of a multi-functional tobacco threshing and redrying knife according to an embodiment of the present invention;

FIG. 7 is a schematic view of the overall structure of another embodiment of the multifunctional tobacco threshing and redrying knife structure of the present invention;

in the figure: 1. the utility model provides a knife sharpening device, including a knife sharpening roller, 11, a mounting groove, 12, a knife sharpening roller shaft, 2, a knife sharpening disk, 21, a rotating shaft, 22, a fixed disk, 23, a limiting groove, 24, a limiting column, 25, an expansion rod, 26, a driving motor, 27, a first mounting bolt, 28, a second mounting bolt, 31, a first knife, 311, a first edging, 32, a second knife, 321, a second edging, 33, a third knife, 331, an arc edging, 34, a first mounting hole, 35, a second mounting hole.

Detailed Description

The following are specific examples of the present invention and further describe the technical solutions of the present invention, but the present invention is not limited to these examples.

Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that: the relative arrangement of the modules and steps and the steps set forth in these embodiments do not limit the scope of the invention unless specifically stated otherwise.

Meanwhile, it should be understood that the flows in the drawings are not merely performed individually for convenience of description, but a plurality of steps are performed crosswise to each other.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only used for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses.

Techniques, methods, and systems known to those of ordinary skill in the relevant art may not be discussed in detail, but are intended to be part of the specification where appropriate.

The first embodiment is as follows: as shown in fig. 1 to 5, which are only one embodiment of the present invention, a multifunctional tobacco leaf threshing and redrying knife structure includes a knife roller 1, a knife disc 2 disposed on the knife roller 1, and a knife disposed on the knife disc 2, where the knife includes a first knife 31, a second knife 32, and a third knife 33, one side of the first knife 31 is provided with a first opening edge 311, the second knife 32 is a trapezoidal component, one side of the second knife 32 is provided with a second opening edge 321, one side of the third knife 33 is provided with an arc opening edge 331, the knife roller 1 is provided with a mounting groove 11, at least a portion of each of the knife disc 2 and the knife is located in the mounting groove 11, the knife disc 2 is provided with a rotating shaft 21 for driving the knife disc 2 to rotate, the knife disc 2 is disposed at a notch of the mounting groove 11, so that the cutter disc 2 is far away from the cutter of the axis of the cutter roller 1 when the rotating shaft 21 drives the rotation, the cutter extends out of the mounting groove 11, and the cutter roller 1 rotates to cut the tobacco leaves outside the cutter roller 1.

In the invention, a knife beating roller 1 is arranged above a tobacco leaf conveying belt, the knife beating roller 1 rotates to drive a knife to cut tobacco leaves on the tobacco leaf conveying belt, but the knife beating roller is different from a common knife beating roller, the knife beating in the invention is not directly fixed on the knife beating roller 1, but the knife beating is fixed on a knife beating disc 2 arranged in a mounting groove 11 of the knife beating roller 1, a plurality of types of knives are arranged on the knife beating disc 2 in a surrounding manner, the knife beating disc 2 rotates to enable a certain type of knife to extend out of the mounting groove 11, and at the moment, the knife beating roller 1 rotates to drive the knife to cut the tobacco leaves.

Here, there are many types of the blades, and the blades include a first blade 31, a second blade 32, and a third blade 33, where one side of the first blade 31 is provided with a first opening edge 311, the second blade 32 is a trapezoidal member, one side of the second blade 32 is provided with a second opening edge 321, and one side of the third blade 33 is provided with an arc-shaped opening edge 331.

The overall shape of the first cutter 31 is rectangular, and a single edge is sharpened;

the overall shape of the second scraping cutter 32 is trapezoidal, one end of the second scraping cutter 32, which extends out of the scraping cutter head 2, is narrower than one end close to the scraping cutter head 2, so that an isosceles trapezoid is formed, and single-side edge cutting is performed, namely, one waist edge cutting is performed;

the third knife 33 is also similar to an isosceles trapezoid, and on the basis of the structure of the second knife 32, one waist of the edge is cut into a circular arc-shaped edge;

moreover, the threshing and cutting effects of the three threshing knives are different, wherein the first threshing knife 31 can effectively increase the proportion of blades of medium-sized blades (12.7-25.4 mm) and small-sized blades (less than or equal to 12.7 mm) in threshing, namely, the threshing and cutting are more broken; the second threshing knife 32 is used for sharpening, so that the proportion of threshing blades with large and equal blade types (more than or equal to 25.4 mm) to blades with medium blade types (12.7-25.4 mm) can be improved, namely the blades are cut slightly larger; the third threshing cutter 33 is directly beneficial to lifting the proportion of threshing large and equal blade type (more than or equal to 25.4 mm) blades, namely the blades are cut a little larger; therefore, different threshing knives can be selected according to different threshing and redrying requirements to cut tobacco leaves.

It should be noted that there may be more types of cutters, and the cutters are uniformly arranged around the center of the cutter disc 2, and each cutter extends in a direction away from the center of the cutter disc 2, where the number of the first cutter 31, the second cutter 32, and the third cutter 33 is at least one, that is, a plurality of first cutters 31, second cutters 32, or third cutters 33 may be installed on the cutter disc 2, and other cutters that are different from the first cutters 31, second cutters 32, and third cutters 33 may also be installed on the cutter disc 2.

Also setting up of beating cutter dish 2, it is used for the drive to beat to be provided with on the cutter dish 2 the axis of rotation 21 of beating cutter dish 2 pivoted, beat and be provided with mounting groove 11 on the knife roller 1, beat cutter dish 2 and beat the sword and all have a part to be located in mounting groove 11 at least, beat cutter dish 2 and set up in the notch department of mounting groove 11, in fact, beat cutter dish 2 and set up the position that is close to the notch in mounting groove 11, so that it keeps away from when axis of rotation 21 drives the rotation to beat cutter dish 2 the sword of beating the axle center of beating knife roller 1 stretches out outside mounting groove 11, and when beating knife roller 1 rotates to the tobacco leaf in the beating knife roller 1 outside cuts, set up promptly and beat the sword of one side of the axle center of beating cutter dish 2 keeping away from beating knife roller 1 and can stretch out outside mounting groove 11, other beating the sword then hide in mounting groove 11, this one that stretches out beat the sword alright along with beating knife roller 1 rotate, and cutting the tobacco leaves on the conveying belt.

The threshing roller 1 is provided with a threshing roller shaft 12 and a threshing motor for driving the threshing roller shaft 12 to rotate, the threshing motor is preferably a servo motor, the threshing roller 1 can rotate in two directions, namely, the threshing roller 1 rotates forwards and backwards to cause two sides of the threshing roller extending out of the mounting groove 11 to cut tobacco leaves, the two sides of each threshing roller are different, and each threshing roller also has two cutting strengths for the tobacco leaves; for example, three threshing knives have 3 times 2, namely 6 cutting modes for the cutting strength of tobacco leaves, and 6 threshing leaves with different leaf ratios can be obtained.

In a word, only by controlling the rotation of the rotating shaft 21 to drive different threshing knives to extend out of the mounting groove 11 and controlling the rotating direction of the threshing roller 1, the blade ratio for threshing and cutting can be switched, and the time for replacing the threshing knives and material abrasion in the prior art are eliminated.

The multifunctional tobacco leaf threshing and redrying threshing knife structure is simple in structure, multiple threshing knives can be switched randomly, cigarettes with different requirements can be cut at different leaf ratios, threshing quality is good, two sides of each threshing knife are different, threshing modes are more diversified, switching among the multiple threshing modes is convenient, manual detachment and replacement of the threshing knives are not needed, and threshing efficiency is high.

In the second embodiment, as shown in fig. 1 to 7, which is only one embodiment of the present invention, on the basis of the first embodiment, in the multifunctional tobacco leaf threshing and redrying threshing structure of the present invention, threshing knives are all disposed on one side of the threshing disc 2 close to the rotating shaft 21, one side of the threshing disc 2 far away from the rotating shaft 21 is provided with a fixed disc 22, one side of the threshing disc 2 close to the fixed disc 22 is provided with a limiting groove 23, one side of the fixed disc 22 close to the threshing disc 2 is provided with a limiting post 24 extending toward the limiting groove 23, and one side of the fixed disc 22 far away from the threshing disc 2 is provided with a telescopic rod 25. When the telescopic rod 25 extends, the fixed disc 22 is close to the beater disc 2 until the limiting column 24 extends into the limiting groove 23, and the fixed disc 22 cannot rotate at the moment; conversely, when the telescopic bar 25 is retracted, the fixed tray 22 can be rotated.

Therefore, the rotation of the rotating shaft 21 can be limited, and when the threshing roller 1 rotates and the resistance is applied to the threshing and cutting of tobacco leaves, the threshing disc 2 cannot be pushed to rotate in the direction opposite to the rotation direction of the threshing roller 1; therefore, the threshing cutter has better stability for cutting tobacco leaves and better threshing effect.

Of course, the quantity of spacing groove 23 and spacing post 24 all is one at least, and a plurality of spacing groove 23 evenly winds the centre of a circle setting of cutter dish 2, all spacing grooves 23 are all the same apart from the distance of the centre of a circle of cutter dish 2 promptly, adjacent two wantonly the contained angle of the line of spacing groove 23 and the centre of a circle of cutter dish 2 all is a fixed number of degrees n for 360 can be divided by number of degrees n integer to and switch the rotation angle of two adjacent cutters wantonly and also can be divided by number of degrees n integer, no matter how cutter dish 2 of cutting after switching can all be pinned by fixed disk 23 promptly.

Moreover, a driving motor 26 is arranged at one end of the rotating shaft 21, which is far away from the cutter disc 2, and the telescopic rod 25 is electrically connected with the driving motor 26, that is, after the telescopic rod 25 retracts to make the limiting column 24 separate from the limiting groove 23, the driving motor 26 can work to drive the rotating shaft 21 and the cutter disc 2 to rotate to switch the cutter; and after the switching is completed, the driving motor 26 stops working, the telescopic rod 25 extends out to enable the limiting column 24 to be clamped into the limiting groove 23, and at the moment, when the knife striking roller 1 rotates, the knife striking cannot rotate.

And a first mounting hole 34 and a second mounting hole 35 are respectively formed in the first beating cutter 31, the second beating cutter 32 and the third beating cutter 33, a first mounting groove, a second mounting groove, a first mounting bolt 27 inserted into the first mounting groove through the first mounting hole 34 and a second mounting bolt 28 inserted into the second mounting groove through the second mounting hole 35 are formed in the beating disk 2, a first internal thread matched with the first mounting bolt 27 is arranged in the first mounting groove, a second internal thread matched with the second mounting bolt 28 is arranged in the second mounting groove, generally speaking, the first mounting bolt 27 is screwed into the first mounting groove through the first mounting hole 34, and the second mounting bolt 28 is screwed into the second mounting groove through the second mounting hole 35, so that the fixed connection between the beating cutter and the beating disk 2 is completed.

Here, the inner diameter of the first mounting hole 34 is not greater than the inner diameter of the second mounting hole 35, and the two mounting holes with different specifications and the mounting bolts with different specifications enable the fixing stability of the cutter on the cutter disc 2 to be better, and the mounting direction of the cutter cannot be mistaken.

It should be noted that, in order to prevent the fragments of the cut tobacco leaves from entering into the cutter structure and causing the clamping, the outer side of the mounting groove 11 is preferably provided with a cover plate, so that the notch of the mounting groove 11 is very small, the cutter is just allowed to rotate and extend out, and the notch of the mounting groove 11 is preferably sealed by the side wall of the cutter disc 2, thereby avoiding the fragments of the cut tobacco leaves from entering.

And one side of the third knife 33, which is far away from the arc-shaped opening edge 331, is provided with an inclined edge, and one side, which is not opened, of the third knife 33 can have a certain inclination angle, even can be arc-shaped, so that the knife roller 1 rotates reversely (the cutting of one side, which is the default opening edge, is positive rotation), so that when one side, which is not opened, is used for cutting tobacco leaves, the cutting rate is different from that of a common knife, and the selection of the cutting strength of the tobacco leaves is improved.

Finally, the number of the mounting grooves 11 and the number of the cutting disks 2 are at least one, as shown in fig. 7, the mounting grooves 11 are arranged around the cutting roll shaft 12 of the cutting roll 1, and of course, the types and (cutting) directions of the cutting knives extending out of the mounting grooves 11 are preferably the same at the same time, so that the tobacco leaf cutting effect is better, and the tobacco leaf cutting rate controllability is high.

The present invention is not limited to the above-described specific embodiments, and various modifications and changes can be made to the present invention. Any modifications, equivalents, improvements and the like made to the above embodiments in accordance with the technical spirit of the present invention should be included in the scope of the present invention.

Claims

1. The utility model provides a multi-functional tobacco leaf threshing redrying knife structure which characterized in that: comprises a knife beating roller (1), a knife beating disc (2) arranged on the knife beating roller (1) and a knife beating arranged on the knife beating disc (2), wherein the knife beating comprises a first knife beating (31), a second knife beating (32) and a third knife beating (33), one side of the first knife beating (31) is provided with a first opening edge (311), the second knife beating (32) is a ladder-shaped member, one side of the second knife beating (32) is provided with a second opening edge (321), one side of the third knife beating (33) is provided with an arc opening edge (331), the knife beating roller (1) is provided with a mounting groove (11), at least one part of the knife beating disc (2) and the knife beating is positioned in the mounting groove (11), the knife beating disc (2) is provided with a rotating shaft (21) for driving the knife beating disc (2) to rotate, and the knife beating disc (2) is arranged at the notch of the mounting groove (11), so that the cutter disc (2) is far away from the axis of the cutter roller (1) when the rotating shaft (21) drives the cutter to rotate, the cutter extends out of the mounting groove (11), and the tobacco leaves outside the cutter roller (1) are cut when the cutter roller (1) rotates;

the first beating knife (31) is rectangular, and one side, away from the second sharpening blade (321), of the second beating knife (32) is an inclined side; one side of the third unclamping knife (33) far away from the arc-shaped opening edge (331) is an arc-shaped edge which is obliquely arranged;

the knife beating roller (1) is provided with a knife beating roller shaft (12) and a knife beating motor for driving the knife beating roller shaft (12) to rotate; the knife beating motor is a servo motor;

a fixed disc (22) is arranged on one side, away from the rotating shaft (21), of the driving disc (2), a limiting groove (23) is arranged on one side, close to the fixed disc (22), of the driving disc (2), a limiting column (24) extending towards the limiting groove (23) is arranged on one side, close to the driving disc (2), of the fixed disc (22), and a telescopic rod (25) is arranged on one side, away from the driving disc (2), of the fixed disc (22); the one end that axis of rotation (21) kept away from beater dish (2) is provided with driving motor (26), just telescopic link (25) with driving motor (26) electricity is connected.

2. The multifunctional tobacco threshing and redrying beater structure of claim 1, wherein: the number of the limiting grooves (23) and the limiting columns (24) is at least one, and the limiting grooves (23) are uniformly wound around the circle center of the beater disc (2).

3. The multifunctional tobacco threshing and redrying beater structure of claim 1, wherein: all be provided with first mounting hole (34) and second mounting hole (35) on first sword (31), second sword (32) and the third sword (33) of beating, be provided with first mounting groove, second mounting groove on the beater head (2), be used for passing first mounting hole (34) insert extremely first mounting bolt (27) in the first mounting groove and be used for passing second mounting hole (35) insert extremely second mounting bolt (28) in the second mounting groove.

4. The multifunctional tobacco leaf threshing and redrying threshing knife structure according to claim 3, characterized in that: the inner diameter of the first mounting hole (34) is not greater than the inner diameter of the second mounting hole (35).

5. The multifunctional tobacco threshing and redrying beater structure of claim 1, wherein: the number of the mounting grooves (11) and the number of the cutter beating discs (2) are at least one.

6. The multifunctional tobacco threshing and redrying threshing knife structure according to claim 1, characterized in that: the number of the first beating knife (31), the second beating knife (32) and the third beating knife (33) is at least one.