Filter stick slitting equipment

Abstract

The invention provides filter stick slitting equipment. The filter stick slitting equipment comprises a stock bin, a slitting hub wheel and a cutter module. The stock bin comprises a bin body and an adjusting plate; a containing space is defined by the bin body, and a discharging opening is formed in the bottom. The adjusting plate is arranged in the accommodating space and divides the accommodating space into a filter stick accommodating space, and the adjusting plate can move to adjust the width of the filter stick accommodating space; the slitting hub wheel is arranged on the rear side of the stock bin, and a filter stick groove used for containing a filter stick and a cutter groove used for avoiding a cutter are formed in the periphery of the slitting hub wheel; a fixed part and a movable part are arranged in the slitting hub wheel, a filter stick groove is defined by the fixed part and the movable part together, and the movable part can rotate relative to the fixed part to adjust the position so as to adjust the groove width of the filter stick groove; the cutter module is located at the slitting station of the slitting hub wheel and used for cutting off the filter sticks on the slitting hub wheel. Compared with the prior art, the filter stick slitting equipment provided by the invention can be adapted to filter sticks of different specifications for production.

Description

Technical Field

[0001] The invention relates to the technical field of tobacco production equipment, and in particular to a filter rod cutting device. Background Art

[0002] Filter rods are one of the important raw materials in the cigarette industry. In the production process of filter rods, filter rod cutting equipment is usually required to cut the filter rods, cutting a double-length (or multiple-length) filter rod into two (or more) filter rods.

[0003] In the prior art, the filter rod slitting equipment usually includes a silo, a slitting hub wheel and a cutting die set. The silo is mainly used to accommodate and store double-length (or multiple-length) filter rods. The outer peripheral surface of the slitting hub wheel is provided with a filter rod slot for accommodating the filter rods. The filter rod slot can be used to receive the double-length (or multiple-length) filter rods sent from the silo, and the cutting die set is provided at the slitting station of the slitting hub wheel. Through the rotation of the slitting hub wheel itself, the double-length (or multiple-length) filter rods can be transported to the slitting station, and then the cutter in the cutting die set cuts the double-length (or multiple-length) filter rods, thereby forming two (or more) relatively short filter rods.

[0004] However, in the prior art, filter rods have a variety of different specifications, and a filter rod slitting device is usually only suitable for slitting and producing filter rods of one specification, resulting in the need to produce multiple filter rod slitting devices according to different production needs, which increases costs. In addition, some filter rod slitting devices are equipped with replaceable specification parts. When filter rods of different specifications need to be produced, the filter rod slitting device can produce filter rods of other specifications by replacing the corresponding specification parts. However, during the replacement process, a large number of structures on the device need to be stopped and disassembled, resulting in long downtime and affecting production efficiency. Summary of the invention

[0005] In view of the technical problems that a filter rod cutting device in the prior art can only produce filter rods of one specification, resulting in high production costs when producing filter rods of different specifications; or, the filter rod cutting device uses replaceable specification parts, but during the replacement process, the disassembly and assembly time of the parts is long, resulting in long downtime and affecting production efficiency. The present invention provides a filter rod cutting device, which can be adapted to the production of filter rods of multiple different specifications, and is more convenient and faster when changing production specifications, thereby reducing downtime and improving production efficiency.

[0006] A filter rod slitting device, comprising a silo, a slitting hub wheel and a cutting die set; The silo includes a silo body and an adjustment plate; The bin body encloses a storage space, and a discharge port is provided at the bottom of the bin body, and the discharge port is communicated with the storage space; The adjusting plate is arranged in the accommodating space and separates a filter rod accommodating space in the accommodating space, and the adjusting plate can move in the accommodating space to adjust the width of the filter rod accommodating space; The slitting hub wheel is arranged at the rear side of the silo, and a filter rod groove for accommodating a filter rod and a cutter groove for avoiding a cutter are provided on the outer circumference of the slitting hub wheel; The slitting hub wheel is provided with a fixed part and a movable part, the fixed part and the movable part together enclose the filter rod slot, and the movable part can be rotated relative to the fixed part to adjust the slot width of the filter rod slot; The cutter module is located at the slitting station of the slitting hub wheel and is used to cut off the filter rods on the slitting hub wheel.

[0007] Preferably, the bin body and the slitting hub wheel are respectively mounted on a back plate.

[0008] Preferably, the bin body and the back plate together enclose the accommodation space; The bin body comprises a panel, a first side panel and a second side panel; Two ends of the first side plate are respectively connected to the back plate and the panel, and the first side plate is connected to one side of the panel; Two ends of the second side plate are respectively connected to the back plate and the panel, and the second side plate is connected to the other side of the panel; The adjusting plate is spaced relatively from the panel so as to separate the filter rod accommodating space in the accommodating space; and the movable direction of the adjusting plate is a direction approaching or moving away from the panel.

[0009] Preferably, the silo 10 further includes an adjustment plate driving mechanism, which is disposed on the back side of the back plate, and a moving end of the adjustment plate driving mechanism is connected to the adjustment plate to drive the adjustment plate to move.

[0010] Preferably, it also includes an anti-pinching roller, a conveying hub wheel and a cover plate; The anti-pinch roller is arranged on the back plate and is located at the discharge port; The conveying hub wheel is arranged on the back plate and is located between the discharge port and the slitting hub wheel; The cover plate is arranged on the back plate and is located at a side of the conveying hub wheel for conveying filter rods, and the cover plate and the conveying hub wheel are spaced apart from each other.

[0011] Preferably, the split wheel hub comprises a mounting member, a wheel hub shaft, a wheel hub body and a receiving member; The hub axle is rotatably disposed on the mounting member; The hub wheel body is connected to the hub wheel shaft; The receiving member is arranged on the outer periphery of the hub wheel body, and the receiving member includes the fixed part and the movable part, and the filter rod slot and the cutting knife slot are opened on the outer periphery of the receiving member; A plurality of first sheets are sequentially arranged at intervals on the outer circumference of the fixing portion; The movable part is provided with a plurality of second sheets; One second sheet is disposed between every two adjacent first sheets, and the second sheet is spaced from the first sheet to form the filter rod slot; The movable part has a plurality of installation positions on the fixed part along the circumference of the accommodating member.

[0012] Preferably, along the circumference of the container, a plurality of cutting grooves are provided, and the cutting grooves are spaced apart from each other; A plurality of the cutting grooves are distributed at each filter rod slot, and along the axial direction of the container, the cutting grooves at each filter rod slot are spaced apart from each other; A plurality of filter rod slots distributed in sequence along the circumference of the container form a filter rod slot group, and the positions of the cutting knife slots distributed on the filter rod slots in each filter rod slot group are different.

[0013] Preferably, along the circumference of the container, the filter rod slot groups are sequentially distributed in a plurality of groups, and in each group of the filter rod slot groups, there is a filter rod slot on which the cutting grooves distributed completely match.

[0014] Preferably, the cutter module comprises a cutter seat, a cutter seat driving mechanism and a cutter group; The tool seat driving mechanism is connected to the tool seat and is used to drive the tool seat to move closer to or away from the slitting hub wheel; The cutter group is arranged on the tool seat, and the cutter group comprises an axial drive mechanism and a cutter unit; The cutter unit is connected to the axial drive mechanism, and the axial drive mechanism is used to drive the cutter unit to move along the axial direction of the slitting hub wheel; The cutter unit comprises a cutter driving member, a cutter shaft and a cutter; The cutter shaft is connected to the output shaft of the cutter driving member; The cutter is arranged on the cutter shaft.

[0015] Preferably, a plurality of the cutting knife groups are sequentially arranged on the cutting knife seat; Along the circumference of the slitting hub wheel, the slitting hub wheel is sequentially provided with a plurality of slitting stations, and each of the slitting stations is correspondingly provided with a cutting knife group.

[0016] Compared with the prior art, the filter rod slitting equipment provided by the present invention comprises a silo, a slitting hub wheel and a cutting knife module; the silo comprises a silo body and an adjusting plate; the silo body encloses a accommodating space, and a discharge port is arranged at the bottom of the silo body, and the discharge port is communicated with the accommodating space; the adjusting plate is arranged in the accommodating space, and separates a filter rod accommodating space in the accommodating space, and the adjusting plate can be moved in the accommodating space to adjust the width of the filter rod accommodating space; the slitting hub wheel is arranged at the rear side of the silo, and a filter rod groove for accommodating filter rods and a cutting knife groove for avoiding a cutter are provided on the outer periphery of the slitting hub wheel; a fixed part and a movable part are arranged in the slitting hub wheel, and the fixed part and the movable part together enclose the filter rod groove, and the movable part can rotate and adjust its position relative to the fixed part to adjust the groove width of the filter rod groove; the cutting knife module is located at the slitting station of the slitting hub wheel, and is used to cut off the filter rod on the slitting hub wheel. The filter rod slitting device is provided with the adjustment plate in the silo. By moving the adjustment plate, the width of the filter rod accommodating space can be adjusted accordingly, so as to accommodate filter rods of different lengths; and the filter rod slot is surrounded by the fixed part and the movable part in the slitting hub wheel. By rotating and adjusting the position of the movable part, the slot width of the filter rod slot can be adjusted accordingly, so as to accommodate filter rods of different diameters; one filter rod slitting device can be adapted to produce and use filter rods of various specifications, so as to reduce production costs. In addition, the filter rod slitting device is more convenient and faster when adjusting and converting specifications, which can reduce downtime and thus improve production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 A front view of a filter rod cutting device provided in an embodiment; Figure 2 A schematic diagram of a three-dimensional structure of a silo provided in an embodiment; Figure 3 for Figure 2 a side view of the silo shown; Figure 4 A schematic cross-sectional structure diagram of a slitting hub wheel provided in an embodiment; Figure 5A schematic diagram of a three-dimensional structure of a container provided in an embodiment; Figure 6 A schematic diagram of the three-dimensional structure of a fixing part provided in an embodiment; Figure 7 A schematic diagram of the three-dimensional structure of a movable part provided in an embodiment; Figure 8 A schematic diagram of the distribution of filter rod grooves on a cutting hub wheel in an embodiment; Fig. 9 A schematic diagram of the distribution of the cutting grooves at each filter rod slot in a filter rod slot group in an embodiment; Fig.10 A schematic diagram of the three-dimensional structure of a cutting knife module provided in an embodiment; Fig.11 for Fig.10 A schematic diagram of the three-dimensional structure of the cutting knife module shown in another angle. DETAILED DESCRIPTION

[0019] In order to enable those skilled in the art to better understand the technical solutions in this application, the technical solutions in the embodiments of this application will be clearly and completely described below. Obviously, the described embodiments are only part of the embodiments of this application, not all of them. Based on the embodiments in this application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0020] It should be noted that when a component is referred to as being "fixed on", "installed on" or "set on" another component, it can be directly on the other component or indirectly set on the other component; when a component is "connected" to another component, or a component is referred to as being "connected to" another component, it can be directly connected to the other component or indirectly connected to the other component.

[0021] It should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0022] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of this application, "multiple" and "several" mean two or more, unless otherwise clearly and specifically defined.

[0023] It should be noted that the structures, proportions, sizes, etc. illustrated in the drawings of this specification are only used to match the contents disclosed in the specification for people familiar with this technology to understand and read, and are not used to limit the conditions under which this application can be implemented. Therefore, they have no substantive technical significance. Any structural modification, change in proportional relationship or adjustment of size should still fall within the scope of the technical content disclosed in this application without affecting the effects and purposes that can be achieved by this application.

[0024] The present invention provides a filter rod slitting device, which comprises a hopper, a slitting hub wheel and a cutting knife module; the hopper comprises a hopper body and an adjusting plate; the hopper body encloses a accommodating space, and a discharge port is provided at the bottom of the hopper body, and the discharge port is communicated with the accommodating space; the adjusting plate is arranged in the accommodating space, and separates a filter rod accommodating space in the accommodating space, and the adjusting plate can be moved in the accommodating space to adjust the width of the filter rod accommodating space; the slitting hub wheel is arranged at the rear side of the hopper, and a filter rod groove for accommodating filter rods and a cutting knife groove for avoiding a cutter are provided on the outer periphery of the slitting hub wheel; a fixed part and a movable part are provided in the slitting hub wheel, and the fixed part and the movable part together enclose the filter rod groove, and the movable part can rotate and adjust its position relative to the fixed part to adjust the groove width of the filter rod groove; the cutting knife module is located at the slitting station of the slitting hub wheel, and is used to cut off the filter rod on the slitting hub wheel. The filter rod slitting device is provided with the adjustment plate in the silo. By moving the adjustment plate, the width of the filter rod accommodating space can be adjusted accordingly, so as to accommodate filter rods of different lengths; and the filter rod slot is surrounded by the fixed part and the movable part in the slitting hub wheel. By rotating and adjusting the position of the movable part, the slot width of the filter rod slot can be adjusted accordingly, so as to accommodate filter rods of different diameters; one filter rod slitting device can be adapted to produce and use filter rods of various specifications, so as to reduce production costs. In addition, the filter rod slitting device is more convenient and faster when adjusting and converting specifications, which can reduce downtime and thus improve production efficiency.

[0025] Please refer to Figures 1 to 11 In one embodiment, a filter rod slitting device 100 is provided, which can be adapted to slitting and producing filter rods of various specifications.

[0026] The filter rod slitting device 100 includes a silo 10, a slitting hub wheel 20 and a cutting knife module 30. The silo 10 includes a silo body 11 and an adjusting plate 12. The silo body 11 encloses a storage space 13, and a discharge port 14 is provided at the bottom of the silo body 11. The discharge port 14 is connected to the storage space 13. The adjusting plate 12 is provided in the storage space 13, and separates a filter rod storage space 131 in the storage space 13. The adjusting plate 12 can move in the storage space 13 to adjust the width of the filter rod storage space 131. In other words, one of the plates enclosing the filter rod storage space 131 can be movably adjusted (i.e., the adjusting plate 12). By adjusting the position of the adjusting plate 12, the width of the filter rod storage space 131 can be changed accordingly, so that the filter rod storage space 131 can accommodate filter rods of different specifications and lengths.

[0027] The slitting hub wheel 20 is arranged at the rear side of the silo 10, where the rear side is referred to the direction in which the filter rod needs to be transported. The outer periphery of the slitting hub wheel 20 is provided with a filter rod slot 21 for accommodating the filter rod and a cutter slot 22 for avoiding the cutter. The slitting hub wheel 20 is provided with a fixed part 231 and a movable part 232, and the fixed part 231 and the movable part 232 together enclose the filter rod slot 21, and the movable part 232 can be rotated relative to the fixed part 231 to adjust the slot width of the filter rod slot 21. In other words, a part of the filter rod slot 21 is composed of the fixed part 231, and a part of the filter rod slot 21 is composed of the movable part 232. By adjusting the relative spacing distance between the components of the movable part 232 and the fixed part 231, the slot width of the filter rod slot 21 can be adjusted accordingly, so that the slitting hub wheel 20 can adapt to filter rods of different diameters.

[0028] The cutting knife module 30 is located at the slitting station of the slitting hub wheel 20 and is used to cut the filter rods on the slitting hub wheel 20 .

[0029] It is understandable that in the prior art, filter rods have a variety of different specifications. For commonly required filter rods, there are currently roughly 19 types of rod material numbers for filter rods, and the specific parameters are shown in Table 1 below.

[0030] Table 1 Filter rod cutting parameters

[0031] At present, when filter rods of different specifications are produced, filter rod slitting equipment of different specifications are used, which results in the need to produce multiple filter rod slitting equipment, increasing costs. In addition, some filter rod slitting equipment are provided with replaceable specification parts. When the production specifications of the filter rod need to be changed, the corresponding specification parts are replaced so that one device can be adapted to the slitting production of filter rods of another specification. However, during the process of changing specification parts, this type of equipment needs to be shut down and a large number of structures on the equipment need to be disassembled, resulting in long downtime and affecting production efficiency.

[0032] The silo 10 provided in this embodiment is provided with the adjustment plate 12. According to the length of the filter rod to be produced, the position of the adjustment plate 12 can be adaptively adjusted, so that the filter rod accommodating space 131 of suitable width can be adjusted to accommodate the filter rod. In the slitting hub wheel 20, the filter rod slot 21 is enclosed by the fixed part 231 and the movable part 232 together. According to the diameter of the filter rod to be produced, the relative position of the movable part 232 and the fixed part 231 can be adaptively adjusted, so that the filter rod slot 21 of suitable slot width can be adjusted to accommodate the filter rod. Through the above structure, the filter rod slitting device 100 can be adapted to filter rods of different specifications for slitting production, and it is no longer necessary to produce multiple filter rod slitting devices additionally, thereby reducing costs. In addition, during the adjustment process, it is only necessary to drive the adjustment plate 12 to move and / or adjust the position of the movable part 232. The process of changing specifications is more convenient and fast, and there is no need to disassemble a large number of structural parts, thereby reducing downtime, improving the production efficiency of filter rods, and improving equipment production capacity.

[0033] Preferably, in one embodiment, the bin body 11 and the slitting hub wheel 20 are respectively mounted on the back plate 40. That is, the bin body 11 and the slitting hub wheel 20 are mounted on the same plate, so that the overall structure can be more compact and the coordination between the components is facilitated.

[0034] Preferably, in one embodiment, the bin body 11 and the back plate 40 jointly enclose the accommodating space 13. The bin body 11 includes a panel 111, a first side plate 112 and a second side plate 113, the two ends of the first side plate 112 are respectively connected to the back plate 40 and the panel 111, and the first side plate 112 is connected to one side of the panel 111. The two ends of the second side plate 113 are respectively connected to the back plate 40 and the panel 111, and the second side plate 113 is connected to the other side of the panel 111. The adjustment plate 12 is relatively spaced from the panel 111 to separate the filter rod accommodating space 131 in the accommodating space 13, and the movable direction of the adjustment plate 12 is the direction of approaching or moving away from the panel 111. That is to say, the filter rod accommodating space 131 is located between the adjustment plate 12 and the panel 111, and the movable direction of the adjustment plate 12 is close to or away from the panel 111, so that the position of the adjustment plate 12 in the accommodating space 13 can be adjusted according to actual needs to adjust the spacing distance between the adjustment plate 12 and the panel 111, thereby adjusting the width of the filter rod accommodating space 131.

[0035] Preferably, in one embodiment, the silo 10 further includes an adjustment plate driving mechanism 15, the adjustment plate driving mechanism 15 is disposed on the back side of the back plate 40, and the movable end of the adjustment plate driving mechanism 15 is connected to the adjustment plate 12 to drive the adjustment plate 12 to move. That is to say, in this embodiment, a mechanism is provided that can drive the adjustment plate 12 to move in the silo body 11, so that there is no need to manually adjust the position of the adjustment plate 12. Of course, in other embodiments, the position of the adjustment plate 12 can also be changed in other ways, for example, multiple installation positions can be provided on the side panels on both sides, and when the position of the adjustment plate 12 needs to be adjusted, the installation position of the adjustment plate 12 is manually adjusted to achieve adjustment of the width of the filter rod accommodating space 131. By setting up the adjustment plate driving mechanism 15 to adjust the adjustment plate 12, after shutdown, the adjustment plate driving mechanism 15 can directly drive the adjustment plate 12 to quickly move the adjustment position, thereby improving the adjustment efficiency of the position of the adjustment plate 12 and reducing the shutdown time; the adjustment plate 12 can even be adjusted by the adjustment plate driving mechanism 15 during the operation of the equipment.

[0036] Preferably, in one embodiment, the adjustment plate driving mechanism 15 is a linear slide module, and a push rod 16 is connected to the slider of the adjustment plate driving mechanism 15, and the push rod 16 passes through the back plate 40 and is connected to the adjustment plate 12. By driving the adjustment plate 12 by the linear slide module, the position of the adjustment plate 12 can be adjusted more stably, and the adjustment plate driving mechanism 15 is installed on the back plate 40 and connected to the adjustment plate 12 by the push rod 16 passing through the back plate 40, which can also make the overall structure more compact.

[0037] Preferably, in one embodiment, the silo 10 further comprises a guide assembly 17, the guide assembly 17 is arranged on the back plate 40, and one end of the guide assembly 17 extends into the accommodation space 13 and extends toward the panel 111, and the adjustment plate 12 is slidably connected to the guide assembly 17. When the adjustment plate driving mechanism 15 drives the adjustment plate 12 to move, the guide assembly 17 can well guide the moving direction of the adjustment plate 12 to ensure that the adjustment plate 12 can quickly move to the desired position. Specifically, in one embodiment, the guide assembly 17 comprises a guide shaft support 171 and a guide shaft 172, the guide shaft support 171 is arranged on the back plate 40, the guide shaft 172 is arranged on the guide shaft support 171 and extends into the accommodation space 13, and the adjustment plate 12 is slidably connected to the guide shaft 172. Specifically, in one embodiment, the end of the guide shaft 172 can be connected to the panel 111.

[0038] Preferably, in one embodiment, the filter rod slitting device 100 further includes an anti-pinch roller 50, and the anti-pinch roller 50 is disposed at the discharge port 14. The anti-pinch roller 50 is mainly used to stir the filter rods in the filter rod accommodating space 131 near the discharge port 14 by rotating itself to prevent the filter rods from piling up.

[0039] Preferably, in one embodiment, the filter rod slitting device 100 further includes a conveying hub wheel 60, and the conveying hub wheel 60 is located below the discharge port 14, and is used to receive the filter rods sent out from the discharge port 14. That is to say, in this embodiment, the filter rods sent out from the filter rod silo 100 are sent into the conveying hub wheel 60, and then conveyed by the conveying hub wheel 60 to the slitting hub wheel 20 at the rear side. The anti-pinch roller 50 is used to ensure that only one filter rod falls into each filter rod groove on the circumferential surface of the conveying hub wheel 60, and the anti-pinch roller 50 and the conveying hub wheel 60 both rotate at a certain speed, and the filter rods are transported by the conveying hub wheel 60, so that the filter rods can smoothly fall into the filter rod groove of the slitting hub wheel at the rear side.

[0040] It is understandable that, since filter rods have a variety of different diameters, the conveying hub wheel 60 is an adjustable filter rod slot width structure, and the plate parts on the periphery of the conveying hub wheel 60 include fixed parts and movable parts, and the fixed parts are provided with multiple first sheets spaced in sequence along the circumferential direction, and the movable parts are provided with multiple second sheets, and a second sheet is inserted between each two adjacent first sheets. Along the circumferential direction, the first sheet and the second sheet form a filter rod slot. And the movable part can rotate circumferentially relative to the fixed part to adjust the distance between the second sheet and the first sheet, so as to adjust the slot width of the filter rod slot, so as to adapt to the transportation of filter rods of different diameters.

[0041] Preferably, in one embodiment, the filter rod slitting device 100 further includes a cover plate 70, which is disposed on one side of the conveying hub wheel 60 for conveying filter rods, and the cover plate 70 is spaced apart from the conveying hub wheel 60. The cover plate 70 is mainly used to block the filter rods on the outer side of the conveying hub wheel 60 to prevent the filter rods from accidentally falling from the conveying hub wheel 60, thereby ensuring the stable conveying of the filter rods by the conveying hub wheel 60.

[0042] It is understandable that, since the filter rods have various diameters, the cover plate 70 is a standard part, and the cover plate 70 can be provided in various different models, so that it can be adapted to different filter rods for production and use.

[0043] Specifically, in one embodiment, the anti-pinch roller 50 includes an anti-pinch shaft 51 and an anti-pinch roller body 52, the anti-pinch roller body 52 is arranged on the anti-pinch shaft 51, the anti-pinch shaft 51 is arranged on the back plate 11 through a deep groove ball bearing 53, and one end of the anti-pinch shaft 51 is provided with a plum blossom coupling 54 for connecting a drive unit.

[0044] Preferably, in one embodiment, the slitting wheel hub 20 includes a mounting member 24 , a wheel hub shaft 25 , a wheel hub body 26 and a receiving member 23 .

[0045] The mounting member 24 is a mounting support structure of the entire hub wheel. The mounting member 24 is used to connect with the structure on the slitting device, so as to install and fix the entire slitting hub wheel 20. For example, the mounting member 24 is used to connect with the back plate 40, so as to install the entire slitting hub wheel 20 on the back plate 40. The hub wheel shaft 25 is rotatably arranged on the mounting member 24. The hub wheel shaft 25 is mainly used to connect with the driving mechanism, so as to rotate under the drive of the driving mechanism. The hub wheel body 26 is connected to the hub wheel shaft 25. The accommodating member 23 is arranged on the outer periphery of the hub wheel body 26, and the accommodating member 23 includes the fixed part 231 and the movable part 232. The filter rod slot 21 and the cutting knife slot 22 are opened on the outer periphery of the accommodating member 23. The outer periphery of the fixed part 231 is sequentially arranged with multiple first sheets 2311. The movable part 232 is arranged on the fixed part 231, and multiple second sheets 2321 are arranged on the movable part 232. A second sheet 2321 is disposed between each two adjacent first sheets 2311, and the second sheet 2321 and the first sheet 2311 are spaced apart from each other to form the filter rod slot 21. In other words, the second sheet 2321 is inserted into the position area between two adjacent first sheets 2311, and a second sheet 2321 is inserted into the position area between each two adjacent first sheets 2311, so that along the circumferential direction of the container 23, the distribution of the sheets is: the first sheet 2311, the second sheet 2321, the first sheet 2311, the second sheet 2321... The filter rod slot 21 is provided between the first sheet 2311 and the second sheet 2321, and the circumferential edge of the second sheet 2321 and the circumferential edge of the first sheet 2311 constitute a part of the filter rod slot 21, so that the slot width of the filter rod slot 21 can be adjusted accordingly by adjusting the spacing distance between the second sheet 2321 and the first sheet 2311. Along the circumference of the container 23, the movable part 232 has a plurality of mounting positions on the fixed part 231, that is, there is not only one mounting position between the movable part 232 and the fixed part 231, but there are a plurality of mounting positions along the circumference. The relative position of the movable part 232 and the fixed part 231 can be adjusted by rotating the movable part 232 relative to the fixed part 231, and after the relative position is adjusted, the movable part 232 can still be mounted and fixed on the fixed part 231. Since the second sheet 2321 is disposed on the movable portion 232 , after adjusting the position of the movable portion 232 , the spacing distance between the second sheet 2321 and the first sheet 2311 can be adjusted synchronously, thereby correspondingly adjusting the slot width of the filter rod slot 21 .It is understandable that filter rods in the prior art have a variety of different diameter specifications. By configuring the receiving member 23 as two components that can be relatively rotated to adjust the position, the groove width of the filter rod groove 21 can be adaptively adjusted according to production requirements, so that the slitting hub wheel 100 can be adapted to filter rods of different diameters for production and use.

[0046] Preferably, in one embodiment, a circumferential rotation prevention structure is provided between the fixing portion 231 and the hub wheel body 26, and the circumferential rotation prevention structure includes a protrusion and a groove 2312 matching the protrusion, the protrusion is provided on one of the fixing portion 231 and the hub wheel body 26, and the groove 2312 is provided on the other of the fixing portion 231 and the hub wheel body 26. For example, when the protrusion is provided on the fixing portion 231, the groove 2312 is correspondingly provided on the hub wheel body 26; when the protrusion is provided on the hub wheel body 26, the groove 2312 is correspondingly provided on the fixing portion 231. Specifically, in one embodiment, the groove 2312 is provided on the inner circumference of the fixing portion 231, and the protrusion is provided on the outer circumference of the hub wheel body 26. The protrusion is embedded in the groove 2312, and the fixing portion 231 and the hub wheel body 26 are circumferentially fixed by a fitting structure.

[0047] Preferably, in one embodiment, a first bearing 27 and a second bearing 28 are provided between the hub axle 25 and the mounting member 24, and the first bearing 27 and the second bearing 28 are relatively spaced apart. By providing the first bearing 27 and the second bearing 28, the friction of the hub axle 25 during rotation can be reduced, and the rotation accuracy can be improved.

[0048] Specifically, in one embodiment, the first bearing 27 is a deep groove ball bearing, and the second bearing 28 is a double row angular contact ball bearing.

[0049] Preferably, in one embodiment, a bearing bushing 271 and a bearing outer ring bushing 272 are provided on the inner side of the first bearing 27, and a shaft shoulder is provided on the outer side of the first bearing 27. The inner side and outer side of the first bearing 27 refer to two opposite sides along the axial direction, and the inner side of the first bearing 27 is located on the side close to the second bearing 28. The shaft shoulder refers to a step structure protruding on the hub shaft 25. The two sides of the first bearing 27 are limited by the bearing bushing 271, the bearing outer ring bushing 272 and the shaft shoulder, so as to axially fix the first bearing 27. The bearing bushing 271 and the bearing outer ring bushing 272 are provided on the inner side of the second bearing 28, and a bearing pressing sleeve 281 and a bearing pressure cover 282 are provided on the outer side of the second bearing 28. Similarly, the inner side and outer side of the second bearing 28 refer to two opposite sides along the axial direction, and the inner side of the second bearing 28 is located on the side close to the first bearing 27. The bearing bushing 271 , the bearing outer ring bushing 272 , the bearing clamping sleeve 281 , and the bearing pressure cover 282 are used to limit the two sides of the second bearing 28 , thereby axially fixing the second bearing 28 .

[0050] Preferably, in an embodiment, a stop washer 283 is further provided on the outer side of the second bearing 28 , and the stop washer 283 can further prevent the second bearing 28 from axial sliding.

[0051] Specifically, these parts for limiting the axial sliding of the bearing can be installed on the mounting member 24 or the hub axle 25 .

[0052] Preferably, in one embodiment, a portion of the mounting member 24 extends into the space enclosed by the hub wheel body 26 and is located between the hub wheel shaft 25 and the hub wheel body 26. With this structure, the overall structure can be better supported. A third bearing 29 is provided between the mounting member 24 and the hub wheel body 26, thereby reducing friction when the hub wheel body 26 rotates and improving rotation accuracy.

[0053] Preferably, in one embodiment, a mounting shoulder is provided on one side of the third bearing 29, and an elastic retaining ring 291 is provided on the other side of the third bearing 29. The mounting shoulder is a protruding step structure in the mounting member 24. The mounting shoulder and the elastic retaining ring 291 are used to limit the two sides of the third bearing 29, so as to axially fix the third bearing 29.

[0054] Preferably, in one embodiment, the hub wheel body 26 includes a hub wheel core 261 and a hub wheel body 262, the hub wheel core 261 is connected to the hub wheel shaft 25, the hub wheel body 262 is arranged on the outer periphery of the hub wheel core 261, the accommodating member 23 is arranged on the outer periphery of the hub wheel body 262, and a sealing ring 2611 is arranged between the inner end surface of the hub wheel core 261 and the mounting member 24.

[0055] Specifically, in one embodiment, the hub wheel body 262 is connected to the hub wheel core 261 through long bolts.

[0056] Specifically, in one embodiment, the hub axle 25 is connected to the hub core 261 via a connecting flange 255 .

[0057] Specifically, in one embodiment, the mounting member 24 is fixed to the back plate 40 by bolts.

[0058] Specifically, in one embodiment, the slitting hub wheel 20 is intermittently operated. The intermittent operation of the slitting hub wheel 20 can be realized by using an intermittent driving mechanism or a corresponding connection structure. For example, the hub wheel shaft 20 can be driven by an intermittently operated motor; or, a groove wheel 251 is provided on the hub wheel shaft 25. The groove wheel 251 is used to cooperate with the dial 252. When the slitting hub wheel 100 is in operation, the motor provides power to the dial 252 to rotate the dial 252 at a uniform speed, and the pin of the dial 252 is inserted into the groove wheel 251 to make the groove wheel 251 perform intermittent motion.

[0059] Specifically, the sheave 251 and the hub shaft 25 are circumferentially fixed via an A-type flat key 253 .

[0060] Specifically, the end of the hub axle 25 is processed with threads, and a hexagonal locking nut 254 is installed on the threads of the hub axle 25 . The sheave 251 is axially fixed by a shaft shoulder and the hexagonal locking nut 254 .

[0061] Preferably, in one embodiment, the first sheets 2311 on the outer circumference of the fixed portion 231 are evenly spaced, that is, on the fixed portion 231, the spacing between each two adjacent first sheets 2311 is equal, so that the first sheets 2311 arranged on the fixed portion 231 are evenly spaced as a whole. The movable portion 232 includes a mounting portion 2322 and a second sheet 2321, the mounting portion 2322 is mounted on the fixed portion 231, and the second sheet 2321 is arranged on the mounting portion 2322. Along the circumference of the accommodating member 23, the second sheets 2321 on the mounting portion 2322 are evenly spaced, and similarly, on the mounting portion 2322, the spacing between each two adjacent second sheets 2321 is also equal. By arranging each of the first sheets 2311 and each of the second sheets 2321 at even intervals, a plurality of filter rod slots 21 with the same slot width are formed on the accommodating member 23, and after the mounting position of the movable portion 232 is adjusted by rotation, the slot width of each of the filter rod slots 21 also changes synchronously, so that a plurality of the filter rod slots 21 can be used on the accommodating member 23 each time during processing, thereby improving processing efficiency.

[0062] It is understandable that the two sides of a second sheet 2321 will respectively form two filter rod slots 21 with two adjacent first sheets 2311. When the second sheet 2321 is not in the exact center between the two first sheets 2311, the slot widths of the filter rod slots 21 on both sides will be different. Therefore, in actual processing, only one side of the filter rod slot 21 will be used. That is to say, in this case, the filter rod slots 21 that can be used for filter rods on the slitting hub wheel 20 are only half of the actual number of slots. Of course, when the second sheet 2321 is in the exact center between the two first sheets 2311, the slot widths of the filter rod slots 21 on both sides will be the same. Therefore, in actual processing, both sides of the filter rod slots 21 can be used.

[0063] The slitting hub wheel 20 adopts a nested structure, and the filter rod slot 21 for accommodating the filter rod is opened between the fixed part 231 and the movable part 232. The filter rods of various diameters are clamped by rotating the movable part 232. Specifically, when the fixed part 231 and the movable part 232 are slotted, they are slotted according to the minimum filter rod diameter required for production. For the currently common filter rod specifications, the fixed part 231 and the movable part 232 are slotted based on the minimum diameter of the filter rod of 5.4 mm.

[0064] Preferably, in one embodiment, a plurality of the cutting grooves 22 are provided along the circumference of the container 23, and the cutting grooves 22 are spaced apart from each other, and each filter rod slot 21 is provided with the cutting groove 22. The cutting groove 22 is mainly used to avoid the cutting knife, and when the cutting knife cuts the filter rod, the cutting knife can extend into the cutting groove 22 to ensure that the cutting knife cuts the filter rod. It is understandable that the cutting grooves 22 in the prior art are usually distributed in an annular shape on the bearing shell of the cutting hub wheel. In the present embodiment, the cutting grooves 22 are not an integral annular structure, but are distributed in sequence at intervals along the circumference of the container 23, and each filter rod slot 21 is provided with the cutting grooves 22. It can be understood that, since in this embodiment, the cutting knife grooves 22 are not distributed in a ring shape, in order to avoid the cutting knife cutting other parts of the container 23, intermittent processing can be adopted during processing. When one of the filter rod grooves 21 drives the filter rod to the slitting station, the slitting hub wheel 20 stops rotating, and the cutter then extends into the filter rod groove 21 to cut the filter rod. After the cutting is completed, the cutter is retracted, and the slitting hub wheel rotates again to drive the next filter rod groove 21 to the slitting station.

[0065] It should be noted that the lengths required for slitting filter rods of various specifications are not the same, so the axial positions of the cutting grooves opened on the bearings of various specifications in the prior art will also be different. Since the slitting hub wheel 20 needs to be adapted to filter rods of various specifications for use, it is necessary to concentrate multiple cutting grooves at different positions on the receiving member 23, and there will be some problems at this time. For example, the axial spacing between some adjacent cutting grooves is too small, making it difficult to ensure processing accuracy; at the same time, the cutting grooves of filter rods of different specifications may overlap, resulting in the cutting grooves being too wide, which in turn causes the rod material to bend and deform during the cutting process. By arranging a plurality of the cutting grooves 22 spaced apart from each other along the circumferential direction, the arrangement of the cutting grooves 22 can be facilitated, and the cutting grooves 22 at different positions can be opened on different filter rod slots 21, so that filter rods of different specifications can be better adapted for use.

[0066] Preferably, in one embodiment, a plurality of the cutting grooves 22 are distributed at each of the filter rod slots 21, and the cutting grooves 22 are spaced apart from each other along the axial direction of the container 23. That is to say, in this embodiment, there are a plurality of the cutting grooves 22 at one of the filter rod slots 21, and the plurality of the cutting grooves 22 distributed on this filter rod slot 21 are spaced apart from each other along the axial direction. With this structure, one of the filter rod slots 21 can be adapted to filter rods of various specifications for use, thereby further improving processing efficiency. It should be noted that when the axial spacing between the cutting grooves 22 to be opened is too close, in order to avoid too small a spacing or overlap between the two, one of the cutting grooves 22 can be opened at another of the filter rod slots 21 to avoid affecting the processing of the filter rod.

[0067] Preferably, in one embodiment, the cutting groove 22 includes a first groove body 221 and a second groove body 222 adapted to the first groove body 221, the first groove body 221 is opened on the circumferential edge of the first sheet body 2311 and the outer periphery of the fixing part 231, and the second groove body 222 is opened on the circumferential edge of the second sheet body 2321. That is to say, in this embodiment, a complete cutting groove 22 is composed of the first sheet body 2311, the second sheet body 2321, and the groove body on the fixing part 231, so that it can better adapt to filter rods of different specifications for use.

[0068] Preferably, in one embodiment, the first sheet 2311 has the first groove 221 on both sides of the circumferential edge, and the second sheet 2321 has the second groove 222 on both sides of the circumferential edge. That is, in this embodiment, the first sheet 2311 has the first groove 221 on both sides, so that the cutting groove 22 can be formed on both sides. Similarly, the second sheet 2321 has the second groove 222 on both sides, so that the cutting groove 22 can be formed on both sides.

[0069] Preferably, in one embodiment, a plurality of (at least two) filter rod slots 21 distributed in sequence along the circumference of the accommodating member 23 form a group of filter rod slot groups 210, and the positions of the cutting grooves 22 distributed on the filter rod slots 21 in each group of the filter rod slot groups 210 are different. In other words, a plurality of adjacent filter rod slots 21 can be grouped together, and the positions of the cutting grooves 22 opened on the filter rod slots 21 in the group of the filter rod slot groups 210 are different, so that different filter rod slots 21 in the filter rod slot group 210 can be adapted to filter rods of different specifications for cutting and use.

[0070] For example, in Figure 8In the illustrated embodiment, each of the four adjacent filter rod slots 21 can be divided into a group of filter rod slot groups 210. For the convenience of description, the four filter rod slots 21 in a group of filter rod slot groups 210 are sequentially divided into work station numbers: 1, 2, 3, and 4. The positions of the cutting grooves 22 specifically distributed on the filter rod slots 21 corresponding to each work station number are different, so that the filter rod slots 21 of each work station number can correspond to at least one specification of filter rods for production and use. Among them, the different positions of the cutting grooves 22 distributed on each filter rod slot 21 in each group of filter rod slot groups 210 means that the cutting grooves 22 distributed on each filter rod slot 21 are completely different or partially different. In other words, there will be no situation where the distribution of the cutting grooves 22 is completely consistent in each filter rod slot 21 in a group of filter rod slot groups 210.

[0071] Preferably, in one embodiment, along the circumference of the container 23, the filter rod slot groups 210 are sequentially distributed in a plurality of groups, and in each group of the filter rod slot groups 210, there is one filter rod slot 21 on which the cutting groove 22 is distributed that is completely matched. Wherein, in each group of the filter rod slot groups 210, there is one filter rod slot 21 on which the cutting groove 22 is distributed that is completely matched means that the axial distribution positions of the cutting grooves 22 on these filter rod slots 21 are completely matched. For example, Figure 8 In the illustrated embodiment, the cutting grooves 22 distributed on the filter rod slot 21 of the station number 1 are completely matched, the cutting grooves 22 distributed on the filter rod slot 21 of the station number 2 are completely matched, the cutting grooves 22 distributed on the filter rod slot 21 of the station number 3 are completely matched, and the cutting grooves 22 distributed on the filter rod slot 21 of the station number 4 are completely matched. That is to say, every 4 stations are a cycle, corresponding to four groups of rod materials in sequence.

[0072] Specifically, in one embodiment, the 32 filter rod slots 21 on the receiving member 23 are divided into 4 workstations, and each 4 workstations form a cycle, corresponding to four groups of rod materials in sequence. The distribution of the cutting grooves 22 is designed by using different workstations and work areas, so as to avoid the situation where the spacing between the cutting grooves 22 is too small or overlaps with each other, thereby better ensuring the cutting effect of the filter rod. More preferably, in order to ensure the cutting effect, the axial distance between two adjacent cutting grooves 22 is greater than 2mm.

[0073] More specifically, in order to further improve production efficiency and increase the number of filter rod slots 21 that can be used in each production, the filter rod slots 21 of each workstation number can be adapted to the production of multiple rod material numbers. Fig. 9 As shown, Fig. 9The numbers on the left side of the filter rod slots represent the rod material numbers in Table 1 above, so as to achieve the optimal distribution of the filter rod slots 21 and the cutter slots 22. In the axial direction, the filter rod slots 21 can be divided into multiple zones, for example Fig. 9 Area A, area B and area C are shown to better meet the needs of filter rod slitting processing.

[0074] Preferably, in one embodiment, a threaded hole 2313 is provided on the end surface of the fixed portion 231, and the mounting portion 2322 is connected to the threaded hole 2313 by bolts. A mounting groove 2323 is provided on the mounting portion 2322 corresponding to the threaded hole 2313, and the mounting groove 2323 extends along the circumference of the container 23. That is, in this embodiment, the movable portion 232 is specifically detachably connected to the fixed portion 231 by bolts, and the mounting groove 2323 provided on the movable portion 232 is an arc groove, and this arc groove extends along the circumference, so that after the bolts are loosened, the position of the movable portion 232 can be rotated along the circumference, and after the rotation is completed, there is still an area on the mounting groove 2323 corresponding to the threaded hole 2313, so that the position of the movable portion 232 can continue to be fixed by tightening the bolts, thereby completing the adjustment of the mounting position of the movable portion 232 and realizing the adjustment of the slot width of the filter rod slot 21. Of course, in other embodiments, any other desired structure may be used to achieve the connection and fixation of multiple mounting positions between the movable portion 232 and the fixed portion 231. In this embodiment, the structure of the circumferentially extending mounting groove 2323 can facilitate the operator to operate and adjust the movable portion 232.

[0075] Preferably, in one embodiment, the filter rod slitting device 100 further includes a slitting cover plate 80, which is arranged at the slitting station of the slitting hub wheel 20 and is spaced apart from the slitting hub wheel 20. The slitting cover plate 80 may be provided with a corresponding avoidance structure corresponding to the position of the cutting knife slot 22 to avoid the cutter. The main function of the slitting cover plate 80 is to press the filter rod to slight deformation to prevent the filter rod from rotating in the filter rod slot 21, resulting in poor slitting effect. Specifically, when the filter rod slot 21 rotates to the slitting station, the spacing distance between the inner surface of the slitting cover plate 80 and the bottom of the filter rod slot 21 is less than the diameter of the filter rod, so that the inner surface of the slitting cover plate 80 can squeeze the filter rod correspondingly, thereby pressing the filter rod in the filter rod slot 21, thereby preventing the filter rod from rotating in the filter rod slot 21 when the cutter cuts the filter rod.

[0076] Specifically, the slitting cover plate 80 can be installed on the back plate 40 or the slitting hub wheel 20 (for example, the mounting member 24), and it is only necessary that a portion of the structure on the slitting cover plate 80 is located at the slitting position of the slitting hub wheel 20 and is spaced from the slitting hub wheel 80, so that the filter rod located at the slitting position of the slitting hub wheel 20 can be pressed by the corresponding structure on the slitting cover plate 80.

[0077] It should be noted that, considering that the diameters of the filter rods of various specifications to be cut are different, and the positions of the cutting grooves 22 distributed on the filter rod slots 21 at each station are different, the cutting cover plate 80 is a standard part, and different specifications can be designed according to the specifications of the filter rods to be produced. For example, as in the above embodiment, the filter rod slots 21 of four different stations have different positions of the cutting grooves 22, so four sets of cutting cover plates 80 of different specifications can be made accordingly; and the 5.4mm and 6.3mm filter rods share the same thickness cover plate, and the 7.1mm and 7.4mm share another thickness cover plate, so the cutting cover plates 80 have 4*2 sets of different specifications, and one cutting hub wheel 20 can correspond to 8 sets of cutting cover plates 80 of different specifications for adaptation and use.

[0078] Specifically, in one embodiment, the adjustable filter rod groove width structure of the conveying hub wheel 60 may be similar to that of the slitting hub wheel 20, and also changes the groove diameter by a component that can be relatively rotated to change the installation position, which will not be described in detail here.

[0079] Preferably, in one embodiment, the cutter module 30 includes a cutter seat 31, a cutter seat driving mechanism 32 and a cutter group 33, the cutter seat driving mechanism 32 is connected to the cutter seat 31, the cutter seat driving mechanism 32 is used to drive the cutter seat 31 to move closer to or away from the slitting hub wheel 20, and the cutter group 33 is arranged on the cutter seat 31. That is to say, in this embodiment, the position of the cutter group 33 is variable, and the cutter group 33 can be moved under the drive of the cutter seat driving mechanism 32. When the slitting hub wheel 20 transports the filter rod to the slitting station, the cutter seat driving mechanism 32 drives the cutter seat 31 to move toward the slitting hub wheel 20, so that the filter rod is cut by the cutter in the cutter group 33, and after the slitting is completed, the cutter seat driving mechanism 32 drives the cutter seat 31 to move away from the slitting hub wheel 20, so as to complete the first slitting of the filter rod.

[0080] The cutter group 33 includes an axial drive mechanism 331 and a cutter unit 332. The cutter unit 332 is connected to the axial drive mechanism 331. The axial drive mechanism 331 is used to drive the cutter unit 332 to move axially along the slitting hub wheel 20. It can be understood that since the slitting hub wheel 20 can be adapted to convey filter rods of different specifications, and filter rods of different specifications usually require different slitting positions, the axial drive mechanism 331 is provided to drive the cutter unit 332 to move axially, so that the cutter in the cutter unit 332 can be adapted to filter rods of different specifications for slitting. The cutter unit 332 includes a cutter drive member 3321, a cutter shaft 3322 and a cutter 3323. The cutter shaft 3322 is connected to the output shaft of the cutter drive member 3321, and the cutter 3323 is arranged on the cutter shaft 3323. The cutter drive member 3321 drives the cutter shaft 3322 to rotate, thereby driving the cutter 3323 to rotate, so as to achieve the cutter 3323 to cut the filter rod. It can be understood that the cutter module in the prior art is usually a non-movable structure, and the cutter groove on the cutting hub wheel is an integral annular structure, which cannot adapt to the cutting requirements of filter rods of different specifications. In this embodiment, the cutter module 30 is changed to a dynamic cutter module, and the cutter 3323 can be driven to move toward or away from the cutting hub wheel 20 through the tool seat drive mechanism 32. When the filter rod is sent to the cutting station, the tool seat drive mechanism 32 drives the cutter 3323 to move, thereby cutting the filter rod, so that intermittent reciprocating cutting can be achieved, so that the cutter 3323 will not interfere with other structures on the cutting hub wheel 20, and it is also convenient to arrange the cutter groove 22 on the cutting hub wheel 20. Furthermore, the axial drive mechanism 331 can drive the cutter 3323 to adjust its position axially, thereby being able to adapt to the cutting requirements of filter rods of different specifications.

[0081] Preferably, in one embodiment, a plurality of the cutting knife groups 33 are sequentially arranged on the tool seat 31. Along the circumference of the slitting hub wheel 20, the slitting hub wheel 20 is sequentially arranged with a plurality of slitting stations, and each slitting station is correspondingly arranged with a cutting knife group 33. For example, in one embodiment, three cutting knife groups 33 are sequentially arranged on the tool seat 31, and along the circumference of the slitting hub wheel 20, the slitting hub wheel 20 is sequentially arranged with three slitting stations (which can be divided into slitting station I, slitting station II and slitting station III), and the three cutting knife groups 33 are responsible for the cutting work of the three slitting stations. When the filter rod reaches the slitting station I, the slitting hub wheel 20 stops rotating, and the cutter assembly 33 is driven to reciprocate through the tool seat drive mechanism 22 to complete the cutting; after cutting, the slitting hub wheel 20 starts rotating again, and the filter rod is transported to the slitting station II for the next cutting. The cutter assembly 30 reciprocates three times to complete the cutting of a filter rod. That is to say, in this embodiment, the filter rod can be cut multiple times by dividing the stations and the tools. For example, when the filter rod needs to be cut three times, the filter rod can be cut once at each station, thereby completing the three cuts of the filter rod. By cutting the filter rod in batches, it can better adapt to long filter rods, and the cutting is more even and accurate, which can improve the cutting quality.

[0082] It is understandable that when the filter rod needs to be cut more than three times, for example, the filter rod with rod material number 2 in the above Table 1 needs to be cut 5 times, and 5 cutters need to be set. At this time, an additional cutter 3323 can be added to each of the two cutter groups 33 (that is, one cutter group 33 contains two cutters 3323, so that two cuts can be performed), so that when the filter rod with rod material number 2 enters a certain cutting station, the filter rod can be cut twice by the two cutters 3323 at the same time, and finally the filter rod can be cut five times. Of course, it is also possible to choose to set a larger number of the cutter groups 33 to achieve five cuts. By setting multiple cutters 3323 in a single cutter group 33, the structure can be made more compact and the required space can be smaller.

[0083] In addition, the cutter group 33 can also be adapted to the partitions of the filter rod slot 21 in the above embodiment, for example, one cutter group 33 is dedicated to cutting area A, one cutter group 33 is dedicated to cutting area B, and one cutter group 33 is dedicated to cutting area C. Of course, in other embodiments, the specific number and position relationship of the cutter group 33 and the cutter 3323 can also be selected according to actual needs.

[0084] Specifically, in one embodiment, the tool holder driving mechanism 32 includes a motor, an eccentric wheel 321 and a connecting rod 322, wherein the motor is connected to the eccentric wheel 321, one end of the connecting rod 322 is connected to the eccentric wheel 321, and the other end of the connecting rod 322 is connected to the connecting rod on the tool holder 31. The eccentric wheel 321, the connecting rod 322 and the tool holder 31 form a crank slider mechanism, wherein the eccentric wheel 321 is a crank, and the tool holder 31 is a slider, and the motor provides power to the eccentric wheel 321 to rotate the eccentric wheel 321 at a uniform speed, thereby driving the cutter group 33 to reciprocate through the crank slider mechanism.

[0085] Preferably, in one embodiment, a movable guide structure is provided between the tool seat 31 and the back plate 40, and the movable guide structure includes a guide rail 34 and a guide slider 35 provided on the guide rail 34. Specifically, in one embodiment, the slide rail 34 is provided on the back plate 40, and the guide slider 35 is provided on the tool seat 31.

[0086] Specifically, in one embodiment, the cutter driving component 3321 is a motor, and the cutter driving component 3321 is disposed on the axial driving mechanism 331 via a motor seat 3324 , and the motor seat 3324 is connected to the axial driving mechanism 331 via bolts.

[0087] Specifically, in one embodiment, the cutter shaft 3322 is connected to the output shaft of the cutter driving member 3321 through a coupling 3325, and the coupling 3325 is a plum blossom coupling.

[0088] Specifically, in one embodiment, the axial drive mechanism 331 is a linear slide module, which controls the axial movement of the cutter unit 332 by rotating the screw rod. Specifically, in one embodiment, the cutter unit 332 further includes a bearing seat 3326, on which a cutter shaft bearing 3327 is disposed, and the cutter shaft bearing 3327 is mounted on the cutter shaft 3322, thereby reducing rotational friction. More specifically, two cutter shaft bearings 3327 are provided, and the cutter shaft bearings 3327 are deep groove ball bearings. The cutter shaft bearings 3327 are axially fixed by the bearing seat 3326 and the cutter shaft bearing sleeve 3328.

[0089] Specifically, in one embodiment, the cutter 3323 is fixed to the cutter shaft 3322 by a cutter clamping sleeve, and the cutter clamping sleeve includes a cutter clamping concave sleeve 33291 and a cutter clamping convex sleeve 33292. The cutter 3323 is fixed to the cutter shaft 3322 by the cutter clamping concave sleeve 33291 and the cutter clamping convex sleeve 33292. More specifically, a cutter sleeve 3330 is provided on the cutter shaft 3322, and the cutter sleeve 3330 is used to provide positioning for the cutter clamping convex sleeve 33292.

[0090] The filter rod slitting device 100 is composed of three modules: a blanking module, a slitting hub wheel module, and a cutting knife module. Taking the cutting of the filter rod No. 8 with a diameter of 5.4mm as an example, the length of No. 8 is 104mm and the diameter is 5.4mm, which is defined as a thin rod (5.4mm and 6.3mm rods are defined as thin rods, and 7.1mm and 7.64mm rods are defined as thick rods). In one embodiment, the working process of the filter rod slitting device 100 is as follows: the adjustment plate 12 is moved to adjust the distance between the two end surfaces of the silo 10. The filter rod No. 8 is a thin rod and is processed on the filter rod slot 21 with the station number 2, so the specification parts need to be replaced. The cover plate 70 at the conveying hub wheel 60 uses a thin cover plate, and the slitting on the slitting hub wheel 20 The cover plate 80 uses a cover plate with a thin-stick specification of station number 2; after the positions of the conveying hub wheel 60, the slitting hub wheel 20 and the groove wheel 251 mechanism are restored to the initial positions, the tool position on the cutting knife module 30 is adjusted to complete the knife setting operation; the motor starts working, and the filter rod is transferred to the slitting hub wheel 20 through the conveying hub wheel 60. Only the filter rod groove 21 with station number 2 on the slitting hub wheel 20 has a filter rod. When the filter rod is transferred to the slitting station, the slitting hub wheel 20 stops rotating, and the tool module 30 performs a reciprocating motion driven by the eccentric wheel 321 to complete the filter rod cutting. Repeat this action 3 times to complete the cutting of a filter rod, and the cut rod material is transferred to the bottom of the slitting hub wheel 20 and falls.

[0091] The above description is only an implementation mode of the present invention. It should be pointed out that, for ordinary technicians in this field, improvements can be made without departing from the creative concept of the present invention, but these all belong to the protection scope of the present invention.

Claims

1. A filter rod cutting device, characterized in that: Including silo, slitting hub wheel and cutting knife module; The silo includes a silo body and an adjustment plate; The bin body encloses a storage space, and a discharge port is provided at the bottom of the bin body, and the discharge port is communicated with the storage space; The adjusting plate is arranged in the accommodating space and separates a filter rod accommodating space in the accommodating space, and the adjusting plate can move in the accommodating space to adjust the width of the filter rod accommodating space; The slitting hub wheel is arranged at the rear side of the silo, and a filter rod groove for accommodating a filter rod and a cutter groove for avoiding a cutter are provided on the outer circumference of the slitting hub wheel; The slitting hub wheel is provided with a fixed part and a movable part, the fixed part and the movable part together enclose the filter rod slot, and the movable part can be rotated relative to the fixed part to adjust the slot width of the filter rod slot; The cutter module is located at the slitting station of the slitting hub wheel and is used to cut off the filter rods on the slitting hub wheel.

2. The filter rod cutting device according to claim 1, characterized in that: The bin body and the slitting hub wheel are respectively mounted on a back plate.

3. The filter rod cutting device according to claim 2, characterized in that: The bin body and the back plate together enclose the accommodation space; The bin body comprises a panel, a first side panel and a second side panel; Two ends of the first side plate are respectively connected to the back plate and the panel, and the first side plate is connected to one side of the panel; Two ends of the second side plate are respectively connected to the back plate and the panel, and the second side plate is connected to the other side of the panel; The adjusting plate is spaced relatively from the panel so as to separate the filter rod accommodating space in the accommodating space; and the movable direction of the adjusting plate is a direction approaching or moving away from the panel.

4. The filter rod cutting device according to claim 2, characterized in that: The silo 10 further includes an adjustment plate driving mechanism, which is disposed on the back side of the back plate, and a moving end of the adjustment plate driving mechanism is connected to the adjustment plate to drive the adjustment plate to move.

5. The filter rod cutting device according to claim 2, characterized in that: It also includes anti-pinch rollers, conveying hub wheels and cover plates; The anti-pinch roller is arranged on the back plate and is located at the discharge port; The conveying hub wheel is arranged on the back plate and is located between the discharge port and the slitting hub wheel; The cover plate is arranged on the back plate and is located at a side of the conveying hub wheel for conveying filter rods, and the cover plate and the conveying hub wheel are spaced apart from each other.

6. The filter rod cutting device according to claim 1, characterized in that: The split wheel hub comprises a mounting member, a wheel hub shaft, a wheel hub body and a receiving member; The hub axle is rotatably disposed on the mounting member; The hub wheel body is connected to the hub wheel shaft; The receiving member is arranged on the outer periphery of the hub wheel body, and the receiving member includes the fixed part and the movable part, and the filter rod slot and the cutting knife slot are opened on the outer periphery of the receiving member; A plurality of first sheets are sequentially arranged at intervals on the outer circumference of the fixing portion; The movable part is provided with a plurality of second sheets; One second sheet is disposed between every two adjacent first sheets, and the second sheet is spaced from the first sheet to form the filter rod slot; The movable part has a plurality of installation positions on the fixed part along the circumference of the accommodating member.

7. The filter rod cutting device according to claim 6, characterized in that: A plurality of cutting grooves are provided along the circumference of the container, and the cutting grooves are spaced apart from each other; A plurality of the cutting grooves are distributed at each filter rod slot, and along the axial direction of the container, the cutting grooves at each filter rod slot are spaced apart from each other; A plurality of filter rod slots distributed in sequence along the circumference of the container form a filter rod slot group, and the positions of the cutting knife slots distributed on the filter rod slots in each filter rod slot group are different.

8. The filter rod cutting device according to claim 7, characterized in that: Along the circumference of the containing part, the filter rod slot groups are sequentially distributed in a plurality of groups, and in each group of the filter rod slot groups, there is a filter rod slot on which the cutting knife grooves distributed completely match.

9. The filter rod cutting device according to claim 1, characterized in that: The cutter module comprises a cutter seat, a cutter seat driving mechanism and a cutter group; The tool seat driving mechanism is connected to the tool seat and is used to drive the tool seat to move closer to or away from the slitting hub wheel; The cutter group is arranged on the tool seat, and the cutter group comprises an axial drive mechanism and a cutter unit; The cutter unit is connected to the axial drive mechanism, and the axial drive mechanism is used to drive the cutter unit to move along the axial direction of the slitting hub wheel; The cutter unit comprises a cutter driving member, a cutter shaft and a cutter; The cutter shaft is connected to the output shaft of the cutter driving member; The cutter is arranged on the cutter shaft.

10. The filter rod cutting device according to claim 9, characterized in that: A plurality of the cutting knife groups are sequentially arranged on the cutting knife seat; Along the circumference of the slitting hub wheel, the slitting hub wheel is sequentially provided with a plurality of slitting stations, and each of the slitting stations is correspondingly provided with a cutting knife group.

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