Cigar stem cutting device

Abstract

The utility model discloses a cigar stem cutting device which comprises a tobacco leaf conveying mechanism which comprises an upper conveying belt set and a lower conveying belt set which are symmetrically arranged, a first positioning belt is arranged between two conveying belts of the lower conveying belt set, a positioning groove is formed in the first positioning belt, a second positioning belt is arranged between two conveying belts of the upper conveying belt set, and a positioning groove is formed in the second positioning belt. The lengths of the first positioning belt and the second positioning belt are smaller than those of the conveying belts of the upper conveying belt group and the lower conveying belt group; the stem cutting mechanism comprises a cutter arranged in the discharging direction of the first positioning belt, the cutter is arranged between the two conveying belts of the lower conveying belt set, and a positioning pressing roller is arranged at the top of the cutter. According to the scheme, blocking and tobacco stem fragment splashing are avoided, meanwhile, transverse ribs on the two sides of tobacco stems can be effectively cut, and the flatness and attractiveness of the cut positions of tobacco leaves are guaranteed.

Description

Technical Field

[0001] The utility model relates to the field of tobacco leaf processing equipment, in particular to a cigar stem cutting device. Background Art

[0002] The stems of cigar tobacco leaves are hard, which is not conducive to subsequent rolling and packaging. Therefore, before rolling cigars, it is usually necessary to cut off the stems of cigar tobacco leaves, so as to remove the harder stems in the tobacco leaves, which is convenient for subsequent packaging. At the same time, the cut stems can also be chopped into tobacco shreds to improve the utilization rate of cigar tobacco leaves. At present, most knives only have blades on both sides of the stems, which can only separate the stems from the tobacco leaves, and cannot simultaneously chop the stems, so it is necessary to increase the subsequent processing steps of the stems. At the same time, a complete cigar consists of five parts, from inside to outside: cigar core, cigar wrapper, cigar cap, and cigar label. Among them, the processing technology and stem removal requirements of cigar tobacco leaves in each part are not exactly the same. For example, the processing technology requirements of the cigar core are: remove one-third of the main veins, present in the form of full-leaf frog legs, and then pack in stacks for aging. When preparing tobacco leaves at the cigar wrapper, it is usually necessary to completely remove the stems in the middle of the tobacco leaves and divide the cigar tobacco leaves into two. Therefore, the stem removal requirements of tobacco leaves in different parts of the cigar are different. However, most of the current processing methods can only completely remove the tobacco stems, and it is impossible to select the length of the tobacco leaves to be removed from the stems. In order to solve the above problems and improve the efficiency of tobacco leaf processing, a utility model patent with the authorization announcement number CN219515271U provides a tobacco leaf and tobacco stem separation device that is easy to disassemble, wherein a blade is rotatably arranged in the middle of the conveying mechanism, and the blade can be used to separate the tobacco stems and tobacco leaves and cut the tobacco stems at the same time, and the length of the cut stems can be adjusted by changing the height of the blade. However, there are still some problems with this device: 1. The tool is located on the top of the cutting table, and it is easy to block the cutting table or the tool when the tobacco stems are cut; 2. During the process of the tool cutting the stems, the cut tobacco stems are easy to splash around, especially easy to fall on the conveyor belt, affecting the cleanliness of the tobacco leaves processed later; 3. The cutting accuracy of the tool used in the equipment is not enough, and there are a large number of transverse ribs on both sides of the tobacco stems. The existing tool cannot ensure the effective segmentation of the tobacco stems and ensure the flatness of the cutting position. Utility Model Content

[0003] Therefore, in order to solve the above problems, the utility model provides a cigar stem cutting device.

[0004] The utility model is realized by the following technical solutions:

[0005] A cigar stem cutting device, comprising:

[0006] A tobacco leaf conveying mechanism, comprising an upper conveyor belt group and a lower conveyor belt group which are symmetrically arranged, wherein the upper conveyor belt group and the lower conveyor belt group respectively comprise two conveyor belts which are arranged at intervals, a first positioning belt is arranged between the two conveyor belts of the lower conveyor belt group, a positioning groove for positioning tobacco stems is arranged on the first positioning belt, a second positioning belt is arranged between the two conveyor belts of the upper conveyor belt group, and the lengths of the first positioning belt and the second positioning belt are shorter than the lengths of the conveyor belts of the upper conveyor belt group and the lower conveyor belt group;

[0007] The stem cutting mechanism comprises a cutter arranged in the discharge direction of the first positioning belt, the cutter is arranged between the two conveyor belts of the lower conveyor belt group, and a positioning pressure roller is arranged on the top of the cutter.

[0008] Preferably, a collection frame for storing chopped tobacco stems is provided at the bottom of the cutter.

[0009] Preferably, a blowing device is further provided in the discharge direction of the positioning pressure roller, and a lower hopper for guiding the tobacco stem fragments to the collecting frame is further provided at the bottom of the blowing device.

[0010] Preferably, the two conveyor belts of the upper conveying group are driven by a first conveying roller and a second conveying roller that are equal in height and symmetrically arranged, and the two conveyor belts of the lower conveying group are driven by a third conveying roller and a fourth conveying roller that are equal in height and symmetrically arranged, the feeding direction of the second positioning belt is connected to the first conveying roller, and the discharging direction thereof is connected to the fifth conveying roller that is arranged between the first conveying roller and the second conveying roller, the feeding direction of the first positioning belt is connected to the third conveying roller, and the discharging direction thereof is connected to the sixth conveying roller that is arranged between the third conveying roller and the fourth conveying roller.

[0011] Preferably, the first conveying roller, the second conveying roller, the third conveying roller and the fourth conveying roller are all air expansion rollers.

[0012] Preferably, a first limiting guide roller for preventing the first positioning belt from shifting is provided between the third conveying roller and the sixth conveying roller, and a second limiting guide roller for preventing the second positioning belt from shifting is provided between the first conveying roller and the fifth conveying roller.

[0013] Preferably, tension wheels are further provided on both sides of the fifth conveying roller, and the discharge direction of the second positioning belt is connected to the two tension wheels.

[0014] Preferably, the tool comprises a gear cutter and circular blades symmetrically arranged on both sides of the gear cutter, a plurality of teeth are arranged at equal angles on the outer circumference of the gear cutter, and the cutting edges of the teeth are flush with the cutting edges of the circular blades on both sides.

[0015] Preferably, the second conveying roller and the fourth conveying roller are respectively provided with two pressing rollers arranged correspondingly up and down in the discharging direction.

[0016] Preferably, it also includes a lifting mechanism, which drives the upper conveyor belt group and the positioning roller to rise or drives the lower conveyor belt group and the gear cutter to descend.

[0017] The beneficial effects of the technical solution of the utility model are mainly reflected in:

[0018] 1. A collection frame for collecting chopped tobacco stems is set at the bottom of the cutter. After the cutter completes the cutting, the tobacco stem fragments fall directly into the collection frame to avoid blockage. A positioning roller is set at the top of the cutter to ensure that the tobacco leaves fit closely to the outer periphery of the cutter when passing through the top of the cutter, thereby achieving effective cutting.

[0019] 2. The output ends of the cutter and the positioning roller are provided with a blowing device for blowing tobacco leaf fragments into a collecting frame and a lower hopper for guiding tobacco stem fragments to the collecting frame, so as to avoid the tobacco stem fragments from splashing. On the one hand, it ensures the cleanliness and safety of the working environment, and on the other hand, it can effectively collect the tobacco stem fragments to avoid waste, and at the same time prevent the tobacco stem fragments from falling into the conveyor belt and affecting the subsequent processing of tobacco leaves.

[0020] 3. The cutting edge of the gear knife in the middle of the tool is flush with the cutting edge of the circular blades on both sides, which can ensure the effective segmentation of the tobacco stems while separating the tobacco leaves and stems. Combined with the pressure exerted by the positioning roller on the upper surface of the tobacco leaves, the transverse ribs on both sides of the tobacco stems can be effectively cut, while ensuring the flatness and aesthetics of the cut tobacco leaves.

[0021] 4. A lifting mechanism is included for separating the first conveyor roller, the second conveyor roller and the fifth conveyor roller from the third conveyor roller, the fourth conveyor roller and the sixth conveyor roller. On the one hand, the mechanism is combined with the expansion roller to facilitate the replacement and maintenance of the belt and other components. On the other hand, the cutting length of the tobacco stems can be adjusted by controlling the positioning pressure roller to rise or fall, thereby meeting the length requirements of cutting tobacco leaves and stems of different cigars. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 is a three-dimensional diagram of a cigar stem cutting device (the upper conveyor belt group is omitted at this time);

[0023] Figure 2 1. A top view of the cigar stem cutting device (the lifting mechanism is omitted at this time);

[0024] Figure 3 is a schematic diagram of the connection state between the rollers in the cigar stem cutting device from a first-person perspective;

[0025] Figure 4 is a schematic diagram of the connection state between the rollers in the cigar stem cutting device from a second viewing angle;

[0026] Figure 5 This is the rear view of the cigar stem cutting device (the collection frame is omitted at this time);

[0027] Figure 6 is a schematic diagram of the connection relationship of the first positioning belt;

[0028] Figure 7 It is a three-dimensional diagram of the cutter in the cigar stem cutting device. DETAILED DESCRIPTION

[0029] In order to make the purpose, advantages and features of the utility model more clearly and in detail, the following preferred embodiments are illustrated and explained through non-limiting descriptions. This embodiment is only a typical example of the application of the technical solution of the utility model. Any technical solution formed by equivalent replacement or equivalent transformation falls within the scope of protection required by the utility model.

[0030] At the same time, it is stated that in the description of the scheme, it should be noted that the directions or positional relationships indicated by the terms "center", "up", "down", "left", "right", "front", "back", "inside" and "outside" are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of description and simplified description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present utility model.

[0031] In addition, the terms "first" and "second" in this solution are only used for descriptive purposes and cannot be understood as indicating or implying the order of importance, or implicitly indicating the number of technical features shown. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In this utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0032] The utility model discloses a cigar stem cutting device, such as Figure 1-Figure 5 As shown, including:

[0033] The tobacco leaf conveying mechanism comprises an upper conveyor belt group 1 and a lower conveyor belt group 2 which are symmetrically arranged. The upper conveyor belt group 1 and the lower conveyor belt group 2 respectively comprise two conveyor belts which are arranged at intervals. A first positioning belt 3 is arranged between the two conveyor belts of the lower conveyor belt group 2. Figure 6As shown, the first positioning belt 3 is provided with a positioning groove 301 for positioning the tobacco stems, and a second positioning belt 4 is provided between the two conveyor belts of the upper conveyor belt group 1. The bottoms of the two upper conveyor belts are respectively fitted with the tops of the two lower conveyor belts, or a small gap is maintained to ensure that the two upper conveyor belts are in contact with the upper surface of the tobacco leaves, and the bottom of the second positioning belt 4 is fitted with the top of the first positioning belt 3. When processing tobacco leaves, cigar tobacco leaves are placed in the gap between the upper conveyor belt group 1 and the lower conveyor belt group 2, and the tobacco stems in the middle of the tobacco leaves are confined in the positioning groove 301 in the middle of the first positioning belt 3. The second positioning belt 4 covers the upper surface of the tobacco stems to ensure that the tobacco leaves do not shift after entering the tobacco leaf conveying mechanism, thereby ensuring the accuracy of tobacco stem cutting.

[0034] like Figure 2 As shown, the lengths of the first positioning belt 3 and the second positioning belt 4 are smaller than the lengths of the conveyor belts of the upper conveyor belt group 1 and the lower conveyor belt group 2, wherein the lengths of the first positioning belt 3 and the second positioning belt 4 are the same. In addition, the first positioning belt 3 and the second positioning belt 4 have a certain elasticity and can adapt to tobacco leaves of different sizes.

[0035] like Figure 3 , Figure 4 , Figure 7 As shown, the stem cutting mechanism includes a cutter 5 arranged in the discharge direction of the first positioning belt 3, the cutter 5 is arranged between the two conveyor belts of the lower conveyor belt group 2, and a positioning roller 6 is arranged on the top of the cutter 5. The upper conveyor belt group 1 and the lower conveyor belt group 2 drive the cigar tobacco leaves to move in the discharge direction. When the tobacco stems leave the first positioning belt 3 and the second positioning belt 4, they move with the movement of the tobacco leaves and enter between the cutter 5 and the positioning roller 6, and the tobacco stems are cut under the interaction of the cutter 5 and the positioning roller 6.

[0036] Among them, Figure 1 As shown, a collecting frame 24 for storing chopped tobacco stems is provided at the bottom of the cutter 5 , and the cut tobacco stems fall into the collecting frame 24 below the cutter 5 as the cutter 5 rotates.

[0037] like Figure 3 , Figure 4As shown, in some embodiments, a blowing device 7 for blowing the tobacco stem fragments into the collecting frame 24 is further provided in the discharge direction of the positioning roller 6. The blowing device 7 can adopt any equipment with a blowing function, such as a high-pressure blower for suction. The compressed air blown by the blowing device 7 blows the chopped tobacco stem fragments into the collecting frame 24, which will not be elaborated here. In one embodiment, a lower hopper 8 for pouring the blown tobacco stem fragments into the collecting frame 24 is further provided at the bottom of the blowing device 7. The air outlet of the blowing device 7 is located at the top of the lower hopper 8. A slope is provided on the lower hopper 8, and the chopped tobacco stems are guided to fall into the collecting frame 24 through the slope.

[0038] like Figure 3 , Figure 4 As shown, in some embodiments, the two conveyor belts of the upper conveying group are driven by the first conveying roller 9 and the second conveying roller 10 which are equal in height and symmetrically arranged, and the two conveyor belts of the lower conveying group are driven by the third conveying roller 11 and the fourth conveying roller 12 which are equal in height and symmetrically arranged, the first conveying roller 9 and the third conveying roller 11 are located in the feeding direction of the tobacco conveying mechanism, the second conveying roller 10 and the fourth conveying roller 12 are located in the discharging direction of the tobacco conveying mechanism, the feeding direction refers to the feeding position of the unprocessed cigar tobacco leaves, and the discharging direction refers to the discharging position after the cigar tobacco leaves are processed, the feeding direction of the second positioning belt 4 is connected to the first conveying roller 9, and the discharging direction thereof is connected to the fifth conveying roller 13 which is arranged between the first conveying roller 9 and the second conveying roller 10, the feeding direction of the first positioning belt 3 is connected to the third conveying roller 11, and the discharging direction thereof is connected to the sixth conveying roller 14 which is arranged between the third conveying roller 11 and the fourth conveying roller 12.

[0039] Among them, Figure 2 , Figure 5 As shown, the cutter 5 is driven to rotate by a rotating shaft 15 arranged in parallel on one side of the discharge direction of the sixth conveyor roller 14, and the positioning pressure roller 6 is arranged on one side of the discharge direction of the fifth conveyor roller 13; in one embodiment, the rotating shaft 15 is connected to a first motor 16, and is driven by the first motor 16 to drive the cutter 5 to rotate. When the tobacco leaves are located above the cutter 5, the positioning pressure roller 6 and the cutter 5 are tightly fitted to the upper and lower surfaces of the tobacco leaves, respectively, and the positioning pressure roller 6 rotates synchronously with the cutter 5; one of the third conveyor roller 11 and the fourth conveyor roller 12 is connected to a second motor 17, and is driven by the second motor 17 to drive the lower conveyor belt group 2 to run, the upper conveyor belt group 1 is fitted with the lower conveyor belt group 2, and the upper conveyor belt group 1 can run synchronously with the lower conveyor belt group 2, driving the tobacco leaves to move from the feeding direction to the discharge direction.

[0040] In a preferred embodiment, the first conveying roller 9, the second conveying roller 10, the third conveying roller 11 and the fourth conveying roller 12 are all air expansion rollers, which facilitate the disassembly and replacement of the conveying belts in the tobacco conveying mechanism.

[0041] like Figure 4 As shown, a first limiting guide roller 19 for preventing the first positioning belt 3 from shifting is arranged between the third conveying roller 11 and the sixth conveying roller 14, and a second limiting guide roller 20 for preventing the second positioning belt 4 from shifting is arranged between the first conveying roller 9 and the fifth conveying roller 13. The outer periphery of the first limiting guide roller 19 is provided with a first annular limiting groove matching the width of the first positioning belt 3, and the first positioning belt 3 is limited by the first annular limiting groove to prevent it from shifting to both sides during operation. The outer periphery of the second limiting guide roller 20 is provided with a second annular limiting groove matching the width of the second positioning belt 4, and the second positioning belt 4 is limited by the second annular limiting groove to prevent it from shifting to both sides during operation. In a preferred embodiment, tensioning wheels are also arranged on both sides of the fifth conveying roller 13, and the discharge direction of the second positioning belt 4 is connected to two tensioning wheels to prevent the second positioning belt 4 from slipping. In some preferred embodiments, limiting grooves can also be arranged on the first conveying roller 9, the fifth conveying roller 13, the third conveying roller 11, and the sixth conveying roller 14 to further limit the positions of the first positioning belt 3 and the second positioning belt 4.

[0042] like Figure 7 As shown, in some embodiments, the tool 5 includes a gear knife and circular blades 501 symmetrically arranged on both sides of the gear knife, and a plurality of teeth 502 for cutting tobacco stems are arranged at equal angles on the periphery of the gear knife, and the cutting edges of the teeth 502 are flush with the cutting edges of the circular blades 501 on both sides, and the cutting edges of the periphery of the tool 5 contact the lower surfaces of the tobacco leaves and stems, and the positioning roller 6 applies pressure to the upper surfaces of the tobacco leaves and stems to separate the tobacco stems from the tobacco leaves and cut the stems at the same time. After the tobacco stems are cut, the broken tobacco stems fall to the bottom of the tool 5 as the tool 5 rotates, thereby avoiding blockage of the tool 5.

[0043] like Figure 1 , Figure 3 , Figure 4 As shown, in a preferred embodiment, two upper and lower corresponding pressing rollers 18 are respectively provided in the discharge direction of the second conveyor roller 10 and the fourth conveyor roller 12, and the gap between the two pressing rollers is at the same height as the gap between the upper conveyor belt group and the lower conveyor belt group, thereby ensuring that the tobacco leaves can smoothly enter between the two pressing rollers, and the pressing rollers press the tobacco leaves up and down to further ensure the flatness of the tobacco leaves after stem cutting, which is convenient for subsequent cigarette rolling.

[0044] like Figure 1 , Figure 5 As shown, in some embodiments, a lifting mechanism is also included, and the lifting mechanism drives the upper conveyor belt group 1 and the positioning pressure roller 6 to rise or drives the lower conveyor belt group 2 and the gear knife to descend. In a preferred embodiment, the first conveyor roller 9, the second conveyor roller 10, the fifth conveyor roller 13 and the positioning pressure roller 6 are fixed on the upper positioning plate 21, and the third conveyor roller 11, the fourth conveyor roller 12, the sixth conveyor roller 14 and the knife 5 are located on the lower positioning plate 22. The lifting mechanism includes a slide rail 26 vertically arranged on the frame of the cigar stem cutting device, and a slide 25 is movably arranged on the slide rail 26. The slide 25 is connected to the upper positioning plate 21. The lifting mechanism also includes a driving device 23 for driving the upper positioning plate 21 to rise and fall. In this embodiment, the driving device 23 can adopt a turbine screw lift.

[0045] There are many implementation methods of the utility model, and all technical solutions formed by equivalent transformation or equivalent transformation fall within the protection scope of the utility model.

Claims

1. A cigar stem cutting device, characterized in that: include: A tobacco leaf conveying mechanism, comprising an upper conveyor belt group and a lower conveyor belt group which are symmetrically arranged, wherein the upper conveyor belt group and the lower conveyor belt group respectively comprise two conveyor belts which are arranged at intervals, a first positioning belt is arranged between the two conveyor belts of the lower conveyor belt group, a positioning groove for positioning tobacco stems is arranged on the first positioning belt, a second positioning belt is arranged between the two conveyor belts of the upper conveyor belt group, and the lengths of the first positioning belt and the second positioning belt are shorter than the lengths of the conveyor belts of the upper conveyor belt group and the lower conveyor belt group; The stem cutting mechanism comprises a cutter arranged in the discharge direction of the first positioning belt, the cutter is arranged between the two conveyor belts of the lower conveyor belt group, and a positioning pressure roller is arranged on the top of the cutter.

2. The cigar stem cutting device according to claim 1, characterized in that: A collecting frame for collecting chopped tobacco stems is arranged at the bottom of the cutter.

3. The cigar stem cutting device according to claim 2, characterized in that: A blowing device is also provided in the discharge direction of the positioning pressure roller, and a lower hopper for guiding the tobacco stem fragments to the collecting frame is also provided at the bottom of the blowing device.

4. The cigar stem cutting device according to claim 1, characterized in that: The two conveyor belts of the upper conveyor belt group are driven by the first conveyor roller and the second conveyor roller which are arranged at the same height and symmetrically, the two conveyor belts of the lower conveyor belt group are driven by the third conveyor roller and the fourth conveyor roller which are arranged at the same height and symmetrically, the feeding direction of the second positioning belt is connected to the first conveyor roller, and the discharging direction thereof is connected to the fifth conveyor roller which is arranged between the first conveyor roller and the second conveyor roller, the feeding direction of the first positioning belt is connected to the third conveyor roller, and the discharging direction thereof is connected to the sixth conveyor roller which is arranged between the third conveyor roller and the fourth conveyor roller.

5. The cigar stem cutting device according to claim 4, characterized in that: The first conveying roller, the second conveying roller, the third conveying roller and the fourth conveying roller are all air expansion rollers.

6. The cigar stem cutting device according to claim 4, characterized in that: A first limiting guide roller for preventing the first positioning belt from shifting is arranged between the third conveying roller and the sixth conveying roller, and a second limiting guide roller for preventing the second positioning belt from shifting is arranged between the first conveying roller and the fifth conveying roller.

7. The cigar stem cutting device according to claim 4, characterized in that: Tension wheels are also arranged on both sides of the fifth conveying roller, and the discharge direction of the second positioning belt is connected to the two tension wheels.

8. The cigar stem cutting device according to claim 1, characterized in that: The tool comprises a gear cutter and circular blades symmetrically arranged on both sides of the gear cutter. A plurality of teeth are arranged at equal angles on the outer periphery of the gear cutter, and the cutting edges of the teeth are flush with the cutting edges of the circular blades on both sides.

9. The cigar stem cutting device according to claim 4, characterized in that: The second conveying roller and the fourth conveying roller are respectively provided with two pressing rollers correspondingly arranged up and down in the discharging direction.

10. The cigar stem cutting device according to claim 1, characterized in that: It also includes a lifting mechanism, which drives the upper conveyor belt group and the positioning pressure roller to rise or drives the lower conveyor belt group and the gear knife to descend.

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