CN219270138U

CN219270138U - Tobacco shred roll screen length cutting machine

Info

Publication number: CN219270138U
Application number: CN202221518020.4U
Authority: CN
Inventors: 贺玉冰; 张皓
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-06-16
Filing date: 2022-06-16
Publication date: 2023-06-30
Anticipated expiration: 2032-06-16

Abstract

The utility model aims to provide a tobacco shred roll screen length cutting and shortening machine, which solves the problems of incomplete screening and inaccurate cutting of tobacco shreds caused by easy agglomeration and winding of tobacco shreds in a tobacco shred screening device. The screening device comprises a plurality of screening rollers which are arranged in an array along the tobacco shred conveying direction, screening teeth which are arranged in an axial direction and are arranged at intervals are arranged on each screening roller, the screening teeth on adjacent screening rollers are arranged in a staggered mode, the screening rollers with relatively fixed positions are driven by a power source and a transmission mechanism, and the tips which are easy to insert tobacco shred clusters are arranged at the top ends of the screening teeth. In addition, the sliding blocks are arranged at the two ends of the screen roller shaft, and any screen roller can be independently disassembled for maintenance, so that the maintenance is labor-saving and time-saving. Meanwhile, the synchronous belt is adopted for connection, so that the oiling step is omitted, and noise is reduced to a large extent. The transfer cutterhead of the cutting part is divided into four bladeless cutters, and a fixed cutter with a blade is inserted into a disc at the root part of a movable cutter to fix the movable cutter, so that the movable cutter and the fixed cutter are ensured not to collide.

Description

Tobacco shred roll screen length cutting machine

Technical Field

The utility model relates to tobacco shred screening and cutting equipment, in particular to a tobacco shred roll screening and cutting machine.

Background

The fine cigarette reduces the smoke nicotine amount and the smoke carbon monoxide amount absorption of smokers. The overlength of the tobacco shreds can directly lead to the quality indexes of the single cigarettes such as weight deviation, hardness, suction resistance, end portion thread falling and the like. Therefore, the screen length cutting and chopping device is additionally arranged on the tobacco shred manufacturing device, and is an important measure for improving the tobacco shred structure. Aiming at the situation, the pneumatic development related equipment under a plurality of enterprises is divided into a tobacco shred screening device and a tobacco shred cutting device. The tobacco shred screening device is used for scattering tobacco shred clusters through a special screening device and screening and sun-drying filaments and short filaments; the cut tobacco cutting device is used for cutting and chopping long filaments, and structurally comprises a movable cutter and a fixed cutter, wherein the movable cutter is used for carrying cut tobacco to pass through the space between the two fixed cutters to form pressing, shearing or pressing cutting.

For the screening device, after cut tobacco falls into the feeding end of the screening device from the previous procedure, long cut tobacco and short cut tobacco are wound into groups, and a screening roller cannot open the cut tobacco groups and cannot screen the cut tobacco. The reason is that the screening teeth on the screening roller of the two patents above (the tobacco slice and tobacco shred selecting and conveying device ZL2018.2.0340755.X is a screening device ZL2019.2 1288348.X based on the length control of the fine cigarette and tobacco shreds) are unreasonable in structure, firstly, the silk cluster is not opened, and secondly, the problem of thickness of a material layer is not solved, so that filaments in the tobacco shred cluster comprise short filaments and roll on the screen slice.

For the cutting device, the diameter of the traditional movable cutter disc is about 400mm, the movable cutter is positioned between two fixed cutters, and the movable cutter blade and the fixed cutter blade are not attached. The speed is slow, the rotating speed of the movable cutter is only increased, and the movable cutter source adopts a six-stage motor. Such as patents (low energy consumption and small broken tobacco cutting device ZL2017 2 1 897614.X and pressure pull type sliding cut tobacco cutting device ZL2018.2.2041399.4). The typical cut length of a super filament is in one inch. Let the distance between two fixed blades be 20mm, and the thickness of each movable and fixed blade be 5mm. A movable cutter belt material is punched out from the middle of two fixed cutters at a speed of 19m/s, the distance between the movable cutter and the fixed cutters is 7.5mm, and cut tobacco is broken by instant impact, so that the length position is unreliable, and the traditional cutting device cannot realize ideal fixed-length cut of the cut tobacco.

Disclosure of Invention

Aiming at the problems, the utility model aims to provide a tobacco shred roll screen length cutting machine which solves the problems that tobacco shreds are easy to agglomerate and wind, so that screening is not thorough and the tobacco shreds are accurately cut.

The screening device comprises a plurality of screening rollers which are arranged in an array along the tobacco shred conveying direction, wherein each screening roller is provided with screening teeth blades which are arranged along the axial direction of the screening roller at intervals, each screening teeth blade consists of a plurality of blades used for stirring tobacco shreds to move and fixed screening teeth blades fixed on the screening roller, the screening teeth positions on the adjacent screening rollers are staggered, and the screening teeth blades on each adjacent screening roller extend into the blade gaps of the picking blades on the adjacent screening roller and form a structure staggered with the blades on the adjacent screening roller; the tobacco shred screening machine also comprises a power source and a transmission mechanism, and the screen rollers with relatively fixed positions are driven by the power source and the transmission mechanism.

In the above or some embodiments, the device for cutting cut tobacco is arranged below the discharging end side of the screening device.

In the above or some embodiments, the tip includes an I-shaped tip, and the top of the I-shaped tip is a plane, and two sides of the I-shaped tip are tapered structures.

In the above or some embodiments, the tip includes a type II tip, the top of the type II tip is an arc surface, and two sides of the type II tip are parallel to each other.

In the above or some embodiments, the tips of the sieve tooth blades fixed on the same sieve roll shaft are of uniform specification; the screen rollers with the I-type tip and the II-type tip are mixed and distributed to form a structure for stirring tobacco shreds.

In the above or some embodiments, the tobacco shred material inlet end of the screening device includes a plurality of screening teeth with I-shaped tips arranged to form a type I selection area, and includes a type II selection area formed by a plurality of screening teeth with II-shaped tips arranged.

In the above or some embodiments, the two ends of each screen roller are respectively provided with a sliding block, each screen roller is rotationally connected through a bearing seat fixedly positioned at the sliding block, and each sliding block and a baffle plate positioned at the two ends of the screen roller form a detachable and fixedly connected sliding fit structure.

In the above or some embodiments, the tobacco shred cutting device includes a fixed cutter with a cutting edge fixed on the cutter frame, and further includes a movable cutter without a cutting edge fixed on the rotating shaft driven by the power source, wherein the fixed cutter and the movable cutter are formed by a plurality of blades arranged in an array at intervals, each movable cutter is respectively located at the side of the adjacent fixed cutter to form a structure staggered with each other, when the movable cutter moves, clearance fit is formed between the movable cutter and the fixed cutter, the fixed cutter head extends through the root of the movable cutter tooth, the fixed cutter does not swing left and right, and the movable cutter and the fixed cutter are ensured not to collide with each other to form the structure of cut tobacco shreds.

In the above or some embodiments, each blade of the stationary blade includes a blade portion with an inclined arrangement, the blade facing in a moving blade entry direction; the center line of the fixed cutter and the horizontal line form an included angle of-18 degrees.

In the above or some embodiments, each of the tooth blades has a half-profile structure, and a groove for mounting is provided at a position corresponding to the circumferential surface of the screening roller, and the half-profile structure of the tooth blade may be fixed by welding.

In the above or some embodiments, each screen roller of the screening device is driven by a synchronous belt, a synchronous wheel and a gear motor, and the rotation shaft of the cut tobacco cutting device is driven by a direct-connected gear motor.

The tobacco shred screening device and the tobacco shred cutting and shortening device are integrally arranged, the structure is more compact, the cutting and sieving of tobacco shreds are conveniently and integrally sealed, dust leakage can be effectively prevented, and equipment redundancy is reduced. The movable cutter adopts a cutter head without blades, one disc is divided into four blades, and the movable cutter belt tobacco shreds and the fixed cutter meet to form cutting. The filament length is determined by the distance between the two fixed cutters; in addition, the sliding blocks are arranged at the two ends of the screen roller shaft, and any screen roller can be independently disassembled for maintenance, so that the maintenance is labor-saving and time-saving. Meanwhile, one direct-connected gear motor is used for driving the cutting and shorting movable cutter, the other direct-connected gear motor is used for driving the main shaft of the screening machine, and then the synchronous belt is used for linking other screening rollers, so that the oiling step is omitted, and noise is reduced to a large extent. The transfer cutterhead of the cutting part is divided into four bladeless cutters, and a fixed cutter with a blade is inserted into a disc at the root part of a movable cutter to fix the movable cutter, so that the movable cutter and the fixed cutter are ensured not to collide.

Drawings

Fig. 1 is a schematic structural diagram of the present utility model.

Fig. 2 is an enlarged schematic view of the portion a in fig. 1.

Fig. 3 is an enlarged schematic view of a portion B in fig. 1. .

Fig. 4 shows a type I tipped picker according to the present utility model.

FIG. 5 shows a type II tip picker according to the present utility model.

Fig. 6 is a schematic structural view of a movable knife according to the present utility model.

Fig. 7 is a schematic view of the structure of the screen roller in the present utility model.

Fig. 8 is a schematic diagram of a cooperation structure of a fixed knife and a movable knife in the utility model.

Fig. 9 is a schematic diagram of the arrangement of stationary blades and movable blades in the present utility model.

FIG. 10 is a schematic representation of the use of the present utility model.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.

In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

As shown in fig. 8, the present utility model is assumed to be fixed on a tobacco shred production line 400 through a bracket 300, and the tobacco shred production line, specifically, a tobacco shred grading conveyor, comprises a bracket 300, a screening device 100, a tobacco shred cutting and shortening device 200, a speed reducing motor, a shell and the like. The screening device 100 comprises two parallel baffles 108, a space for forming an array of screen rollers 101 is formed between the baffles 108, a shell of course extends to form a structure for sealing the screening device 100, a dustproof structure is formed, the screening device 100 is divided into a feeding end and a discharging end, the feeding end corresponds to a shell 500 feeding port, and the feeding port can be connected with a tobacco shred production line through a conveyor; the cut tobacco cutting device 200 is located below the discharge port of the screening device 100 and forms an integrally arranged structure through the shell, that is, the inner cavity of the screening device 100 is communicated with the cavity of the cut tobacco cutting device 200, the corresponding shell is further provided with a dust suction interface for being connected, and the cut tobacco cutting device 200 is also provided with a blanking port located above the cut tobacco production line.

The bracket 300 forms a platform 301 for mounting a gear motor, which drives the rotation shaft of the movable blade 203. A direct-coupled gear motor drives the screen spindle and then uses a timing belt to link the screen roller 101 of the other screen roller 100.

The screening device 100, screening device 100 includes a plurality of screen roller 101 of arranging along pipe tobacco direction of delivery array, each screen roller 101's both ends do not are equipped with gland nut in proper order, the synchronizing wheel, the sliding block 107, the gland nut forms the structure of fixed synchronizing wheel, each screen roller 101 forms through the bearing frame that is fixed in sliding block 107 department and rotates to be connected, each sliding block 107 forms the sliding fit structure of detachable fixed connection with the baffle 108 that is located screen roller 101 both ends department, concrete baffle 108 department sets up the spout, screen roller 101 can slide into from the spout again through the bolt is fixed with baffle 108 during the installation, when overhauling, can dismantle the maintenance to concrete screen roller 101 that loses.

The screen roller 101 is provided with screen teeth 102 which are arranged along the axial direction of the screen roller and are arranged at intervals, the screen teeth 102 are composed of blades 102.1 and a fixed disc 102.2, and the screen teeth 102 are defined on the structure composed of the fixed disc and the blades. The blade 102.1 and the fixed disk 102.2 may be integrally or separately designed, and preferably the blade 102.1 and the fixed disk 102.2 are integrally formed. Adjacent screen teeth 102 on adjacent screen rollers 101 are arranged in a staggered manner, and blades 102.1 of the screen teeth 102 on each adjacent screen roller 101 extend into gaps between the blades 102.1 of the screen teeth 102 on the adjacent screen roller 101 and form a staggered structure with the blades 102.1 on the adjacent screen roller 101; in order to facilitate the installation of the screen teeth 102 and overcome the error caused by the overlapping installation mode of the traditional cutter head and the sleeve, in the above or some embodiments, each screen tooth 102 is of a half-cut structure, and the groove 109 for installation is arranged at the peripheral surface of the screen roller 101 corresponding to the fixed disc 102.2, and the half-cut structure of the screen teeth 102 can be fixed by adopting a welding mode.

In order to screen the tobacco mass during the delivery of the tobacco, the tip of each blade 102.1 is provided with a tip which is easy to insert into the tobacco mass, the tip being provided as an end with a smaller volume, not limited to sharp corners or angles. In the above or some embodiments, the tip includes an I-shaped tip 103, and the top of the I-shaped tip 103 is planar and two sides are tapered.

In the above or some embodiments, the tip includes a type II tip 104, the top of the type II tip 104 is an arc surface, and two sides are parallel straight sides. The tips of the blades 102.1 of the sieve teeth 102 fixed on the shaft of the same sieve roller 101 are of uniform specification; the screen roller 101 with the I-shaped tip 103 and the II-shaped tip 104 is mixed and arranged to form a structure for stirring tobacco shreds.

In the above or some embodiments, the inlet end of the tobacco material of the screening apparatus 100 includes a plurality of pick areas 105 with type I tips 103 arranged to form type I pick areas, and a plurality of type II pick areas 106 formed by a plurality of pick rollers 101 with type II tips 104 arranged to form pick 102.

The tobacco shred cutting device 200 comprises a fixed cutter 202 with a cutting edge, which is fixed on a cutter frame 201, and a movable cutter 203 without a cutting edge, which is fixed on a rotating shaft driven by a power source, wherein the fixed cutter 202 and the movable cutter 203 are formed by a plurality of blades which are arranged in an array at intervals, each movable cutter 203 rotates between the adjacent fixed cutters 202 respectively when the movable cutters rotate, in order to avoid the problem of collision between the movable cutters caused by deformation, each cutter disc forming the fixed cutters comprises a plurality of movable cutters which are circumferentially arranged and positioning discs which are integrated with the root parts of each movable cutter, the positioning discs provide a structure that the movable cutters are arranged on the rotating shaft, on the other hand, when in use, the top ends of each fixed cutter extend beyond the root parts of the movable cutters, each positioning disc always has a circular area in the rotating process, and always forms a structure for axially limiting the top ends of the fixed cutters when the adjacent circular area rotates, namely, a structure for positioning and guiding the fixed cutters by always relying on gaps formed by the adjacent positioning discs in the rotating process of the movable cutters is formed, and the occurrence of collision cutters is avoided.

On the other hand, the width of the movable blade positioned between the two fixed blades is matched with the length of the cut tobacco obtained by the fixed length, the movable blade and the adjacent two movable blades are formed by clearance fit, and the structure of cutting the cut tobacco is formed. Each blade of the stationary blade 202 includes a blade portion with an inclined arrangement, the blade facing the direction of entry of the moving blade 203; the center line of the stationary knife 202 is arranged at an included angle of 0-18 degrees with the horizontal line.

The screening device comprises a power source and a transmission mechanism, wherein the power source and the transmission mechanism drive a plurality of screen rollers 101 with relatively fixed positions, each screen roller 101 of the screening device 100 is driven by a synchronous belt, a synchronous wheel and a gear motor, and a rotation shaft of the tobacco shred cutting and shortening device 200 is driven by a direct-connection gear motor.

The tobacco shred screening device and the tobacco shred cutting and shortening device are integrally arranged, the structure is more compact, the cutting and the screening of the tobacco shreds are conveniently and integrally sealed, dust leakage can be effectively prevented, and equipment redundancy is reduced. The movable cutter adopts the bladeless cutter head, one disc is divided into four blades, the movable cutter belt tobacco shreds and the fixed cutters meet to form a sealed cutting, the cut tobacco length is ensured by the spacing between the two fixed blades, and the spacing between the two fixed blades is realized by a cushion block; in addition, the sliding blocks are arranged at the two ends of the screen roller shaft, and any screen roller can be independently disassembled for maintenance, so that the maintenance is labor-saving and time-saving. Meanwhile, the synchronous belt is adopted for connection, so that the oiling step is omitted, and noise is reduced to a large extent. The transfer cutterhead of the cutting part is divided into four bladeless cutters, and a fixed cutter with a blade is inserted into a disc at the root part of a movable cutter to fix the movable cutter, so that the movable cutter and the fixed cutter are ensured not to collide.

Claims

1. The tobacco shred roll screen length cutting machine comprises screening devices (100) for screening tobacco shreds, wherein each screening device (100) comprises a plurality of screen rollers (101) which are arrayed along the tobacco shred conveying direction, each screen roller (101) is provided with screen teeth (102) which are arrayed along the axial direction of the screen roller and are arranged at intervals, each screen tooth (102) consists of a plurality of blades (102.1) for stirring the tobacco shreds to move and a fixed disc (102.2) fixed on each screen roller (101), the screen teeth (102) on each adjacent screen roller (101) are arranged in a staggered mode, and the blades (102.1) of the screen teeth (102) on each adjacent screen roller (101) extend into gaps between the blades (102.1) of the screen teeth (102) on the adjacent screen roller (101) and form a staggered structure with the blades (102.1) on the adjacent screen roller (101); the tobacco shred screening machine further comprises a power source and a transmission mechanism, and the power source and the transmission mechanism drive the screen rollers (101) with relatively fixed positions, and is characterized in that the tips of the blades (102.1) are provided with tips easy to insert tobacco shred clusters.

2. The tobacco shred roll screen length cutter as claimed in claim 1, further comprising a tobacco shred cutting device (200) for cutting tobacco shreds below the discharge end side of the screening device (100).

3. The tobacco shred roll screen length cutting machine according to claim 1 or 2, wherein the tip comprises an I-shaped tip (103), the top of the I-shaped tip (103) is a plane, and two sides of the I-shaped tip are in a conical structure.

4. A tobacco shred roll screen length cutter as claimed in claim 3, wherein the tip comprises a type II tip (104), the top of the type II tip (104) is an arc surface, and two sides are straight sides parallel to each other.

5. The tobacco shred roll screen length cutting machine according to claim 4, wherein tips of blades (102.1) of screen teeth (102) fixed on the same screen roll (101) shaft are of uniform specification; the screen rollers (101) with the I-shaped tip (103) and the II-shaped tip (104) are mixed and distributed to form a tobacco shred stirring structure.

6. The tobacco shred roll screen length cutting machine according to claim 5, wherein the inlet end of the tobacco shred material of the screening device (100) comprises a plurality of screen teeth with I-shaped tips (103) arranged to form an I-shaped selecting area (105), and a II-shaped selecting area (106) formed by a plurality of screen teeth (102) with II-shaped tips (104) arranged.

7. The tobacco shred roll screen length cutting machine according to any one of claims 1, 2, 4 and 5, wherein two ends of each screen roll (101) are respectively provided with a sliding block (107), each screen roll (101) is rotatably connected through a bearing seat fixedly arranged at the sliding block (107), and each sliding block (107) and a baffle plate (108) arranged at two ends of the screen roll (101) form a detachable and fixedly connected sliding fit structure.

8. The tobacco shred roll screen length cutting machine according to claim 2, wherein the tobacco shred cutting device (200) comprises a fixed cutter (202) with a cutting edge, which is fixed on a cutter frame (201), and a movable cutter (203) without a cutting edge, which is fixed on a rotating shaft driven by a power source, wherein the fixed cutter (202) and the movable cutter (203) are formed by a plurality of blades which are arranged in an array at intervals, each movable cutter (203) is respectively positioned at one side of the adjacent fixed cutter (202) and is attached to the adjacent fixed cutter to form a structure which is staggered with each other, and clearance fit is formed between the movable cutters (203) and the fixed cutters (202) when the movable cutters (203) move to form a structure for cutting tobacco shreds.

9. The tobacco shred roll screen length cutting and shortening machine according to claim 8, wherein each fixing disc (102.2) is of a half-section structure, grooves (109) for installation are formed in the peripheral surface of the screen roller (101) corresponding to the fixing disc (102.2), and the half-section structure of the fixing disc (102) can be fixed in a welding mode.

10. The tobacco shred roll screen length cutting machine according to claim 9, wherein each screen roll (101) of the screening device (100) is driven by a synchronous belt, a synchronous wheel and a speed reducing motor, and the rotation shaft of the tobacco shred cutting device (200) is driven by a direct connection speed reducing motor.