Strip shredding mechanism

Abstract

The present invention provides a strip shredding mechanism comprising a case, characterized in that a shredding assembly and a segmenting assembly are sequentially arranged on the case. The segmenting assembly comprises a moving cutter assembly and a fixed cutter assembly, wherein when a fed strip is adsorbed on an adsorption roller, the strip is longitudinally cut into shreds by means of a shredding knife roller while the cut shreds are prevented, by means of a shred blocking member, from being wound on the shredding knife roller, and then by means of the rotation of a rotating roller, axial cutters on the rotating roller work in conjunction one by one with a fixed cutter at an input side end of a shred collecting tank to form a cutting gap; subsequently, the cut longitudinal shreds are one by one transversely cut into segments, which then fall into a segment collecting tank, and then are discharged from a discharging port. A strip can be cut into longitudinal shreds, and the longitudinal shreds can then be neatly cut into uniform segments. Reconstituted tobacco leaves as a resource are fully utilized, the cost is minimized, the filling rate of cigarettes is guaranteed, and the cigarette quality is improved.

Description

Strip cutting mechanism Technical Field

[0001] The invention relates to a strip cutting mechanism, in particular to a strip cutting mechanism for cutting a small width strip into strip segments, belonging to the technical field of strip processing. Background Art

[0002] The final step in processing reconstituted tobacco strips is to convert them into strands, which are then processed into segments to create tobacco shreds that meet cigarette filling requirements. Due to limitations in existing processing techniques, reconstituted tobacco strips suffer from numerous deficiencies, such as high hardness, large thickness, and poor flexibility. These issues can lead to uneven shredding, unbroken strands, and irregular segments, all of which negatively impact cigarette filling efficiency, leading to lower cigarette quality, increased costs, and wasted resources. Therefore, improvements to existing technologies are necessary. Summary of the Invention

[0003] The present invention aims to provide a strip cutting machine which can evenly cut a small width strip into strip segments.

[0004] The present invention is completed through the following technical solutions: a strip cutting mechanism, including a chassis, characterized in that the chassis is sequentially provided with a cutting assembly and a segmenting assembly, so that the fed strip is first longitudinally cut into strips by the cutting assembly, and then transversely cut into segments by the segmenting assembly to form reconstituted tobacco that can be filled into cigarettes.

[0005] The slitting assembly includes: a slitting knife roller located at the top, a wire blocking member connected to the bottom of the slitting knife roller, and a suction roller located at the bottom connected to the slitting knife roller, wherein:

[0006] The shredding knife roller comprises: a second rotating roller, and a plurality of vertical knife discs arranged at intervals on the second rotating roller;

[0007] The wire stopper comprises: a hollow frame, a plurality of wire stops longitudinally arranged in the hollow of the frame, and the gap between the two wire stops is preferably such that the corresponding vertical cutter disc on the wire cutting roller can pass through;

[0008] The adsorption roller comprises a hollow roller and a plurality of through holes arranged on the roller wall of the hollow roller;

[0009] So that after the fed strip is adsorbed on the adsorption roller, the strip is longitudinally cut into wires by the cutting knife roller, and at the same time, the wire blocking piece is used to prevent the cut wires from being entangled on the cutting knife roller.

[0010] The second rotating roller is connected to a power machine so that the second rotating roller rotates under the drive of the power machine and drives a plurality of vertical cutter discs thereon to rotate, thereby longitudinally cutting the strip material below into wire materials.

[0011] The distribution spacing of the several vertical cutter discs on the second rotating roller is adapted to the width of the wire, and the number of wire stops is adapted to the number of vertical cutter discs, so that the width of the longitudinally cut wire meets the set width requirement, and the strip is cut into wires that meet the width requirement by the cutter disc, and the wire stops are used to prevent the wire from being entangled on the cutting roller.

[0012] One end of the wire cutting knife roller and the wire blocking member is suspended in the air, and the other end is connected to the rotating shaft through a connecting member. The rotating shaft is connected to the second power machine so that the rotating shaft can be rotated under the drive of the second power machine. The wire cutting knife roller and the wire blocking member are swung around the rotating shaft to a horizontal state through the connecting member to complete the wire cutting, or swung around the rotating shaft to a vertical state to stop the wire cutting. At the same time, it is convenient to clean, maintain and replace the wire cutting knife roller and the wire blocking member.

[0013] The connecting member includes a sleeve with a slot and an axial hole. The sleeve is clamped on the chassis through the slot and is connected to the rotating shaft and the cutting knife roller through the axial hole to form a whole. When the rotating shaft rotates, it can drive the connecting member and the cutting knife roller to swing horizontally or vertically synchronously.

[0014] The adsorption roller includes a hollow fixed shaft with one end rotatably connected to the power shaft and the other end provided with an exhaust port, and a hollow roller axially arranged on the periphery of the hollow fixed shaft, wherein:

[0015] The middle of the inner end of the power shaft is rotatably connected to one end of the hollow fixed shaft through a first bearing, the inner end edge is fixedly connected to one end of the hollow roller, and the outer end of the power shaft is connected to the power machine;

[0016] The other end of the hollow roller is rotatably connected to the corresponding end of the hollow fixed shaft through a second bearing. A plurality of adsorption holes are radially provided on the roller wall of the hollow roller, and an outer cavity is provided between the inner wall of the hollow roller and the outer wall of the hollow fixed shaft.

[0017] The hollow of the hollow fixed shaft is the inner cavity. A plurality of vent holes are radially provided on the wall of the hollow fixed shaft to connect the inner cavity and the outer cavity. The exhaust port at the end of the hollow fixed shaft is connected to the negative pressure tube, and the negative pressure tube is connected to a negative pressure source such as a vacuum machine.

[0018] So that under the drive of the power machine, the power shaft and the hollow roller rotate, while the hollow fixed shaft remains stationary. Then, under the action of the vacuum machine, a negative pressure state is formed in the inner cavity, the vent hole, the outer cavity, the adsorption hole and even the roller surface of the hollow roller through the negative pressure tube, thereby adsorbing the strip, providing traction for the strip transportation while supporting the strip, and preventing the strip from sliding and deflecting during cutting, thereby improving the strip cutting quality.

[0019] The surface of the adsorption roller is provided with a plurality of annular knife grooves which can accommodate the outer edge of the vertical knife disc. The width of each annular knife groove is adapted to the thickness of the vertical knife disc, and the number of annular knife grooves corresponds to the number of vertical knife discs, so as to cut the small width strip adsorbed on the roller surface into wire materials while providing power for the strip transportation and preventing the strip and wire materials from sliding and shifting during cutting, thereby ensuring the cutting quality of the wire materials.

[0020] Both ends of the adsorption roller are rotatably connected to bearings.

[0021] The input side of the adsorption roller is provided with a passing wheel below the rotating shaft so as to tension the strip through the passing wheel to meet the process requirements of longitudinally cutting the strip into wires.

[0022] The segment cutting assembly includes: a movable knife assembly and a fixed knife assembly; wherein:

[0023] The movable knife assembly includes: a first rotating roller, a plurality of axial cutters spaced apart on the roller surface of the first rotating roller, the plurality of axial cutters being matched with the fixed knife one by one to form a cutting gap;

[0024] The fixed knife assembly comprises: fixed knives matched one by one with a plurality of axial cutters on the first rotating roller, and the fixed knives are placed at the input side end of the wire segment convergence groove.

[0025] The movable knife assembly is placed on the notch of the wire segment convergence groove, and a discharge port is provided at the bottom of the wire segment convergence groove;

[0026] In order to operate the first rotating roller of the movable knife assembly, the axial cutters on it cooperate with the fixed knives at the input side end of the wire material convergence groove one by one to form a cutting gap, and then the longitudinal wires are cut into wire segments one by one horizontally, fall into the wire segment convergence groove, and are discharged through the discharge port.

[0027] A transition plate is provided between the fixed knife and the adsorption roller, and protruding teeth are provided on the transition plate near the adsorption roller. The adsorption roller is provided with corresponding annular tooth grooves that can receive the protruding teeth of the transition plate to prevent material blockage and jamming.

[0028] The first rotating roller is connected to a power machine so that the first rotating roller is driven by the power machine to rotate and drive the axial cutter to rotate along with the first rotating roller.

[0029] The length of the fixed knife and the length of the axial cutting knife are adapted to the width of the strip.

[0030] The distribution spacing of the plurality of axial cutters on the roller surface of the first rotating roller is adapted to the set length of the wire segment so as to meet the cutting requirement of the wire segment length.

[0031] The multiple axial cutters are all arranged on the rotating roller with an inclination of less than or equal to 5°, so that there is an angle between the inclined axial cutter blade and the straight fixed knife blade, so that the cutting points of the two blades gradually move from one end to the other end along the width of the strip, effectively avoiding the excessive shear force caused by the cutting points being in a straight line, which affects the service life of the axial cutter blade.

[0032] Each axial cutter is embedded in a corresponding cutter groove on the roller surface of the first rotating roller. An elastic member is provided at the bottom of the cutter groove. The elastic member is a spring, a rubber pad, etc. The elastic member is used to adjust the blade gap between the axial cutter and the fixed knife.

[0033] Each axial cutter is provided with a fixing hole, the axis of which points toward or near the axis of the first rotating roller. During rotation of the first rotating roller, the axial cutter being cut can be positioned at an angle greater than 90° from the outer side of the first rotating roller axis and the upper surface of the longitudinal wire, thereby reducing the risk of clogging of the longitudinal wire before it is cut into silk satin.

[0034] An operating hand wheel is provided at one end of the roller shaft of the first rotating roller, which is used to manually control the rotation of the rotating roller to facilitate the disassembly, installation and adjustment of the axial cutter.

[0035] A braking mechanism is provided at the other end of the first rotating roller shaft. The braking mechanism is a conventional electromagnetic clamping assembly, a pneumatic clamping assembly, or a hydraulic clamping assembly, and is used to quickly brake and stop the rotating roller, saving related operation time.

[0036] The present invention has the following advantages and effects: by adopting the above technical scheme, the fed strip can be conveniently adsorbed on the adsorption roller, and then the strip can be longitudinally cut into wires by the wire cutting roller. At the same time, the wire blocking member can prevent the cut wires from being entangled on the wire cutting roller. Then, by rotating the rotating roller, the axial cutters on it cooperate with the fixed knives at the input side end of the wire convergence groove one by one to form a cutting gap. After that, the cut longitudinal wires are cut transversely into wire segments one by one, fall into the wire segment convergence groove, and are discharged through the discharge port. The present invention can completely and thoroughly cut the strip into longitudinal wires, and then neatly cut the longitudinal wires into uniform wire segments, making full use of the resource of recycled tobacco leaves, minimizing costs, ensuring the filling rate of cigarettes, and improving the quality of cigarettes. BRIEF DESCRIPTION OF THE DRAWINGS

[0037] FIG1 is a schematic structural diagram of the present invention;

[0038] FIG2 is a top view of FIG1 ;

[0039] FIG3 is a longitudinal sectional structural diagram of FIG1 ;

[0040] FIG4 is a DD view of FIG3;

[0041] FIG5 is an enlarged view of portion F of FIG4 ;

[0042] FIG6 is an enlarged view of portion E of FIG3 ;

[0043] Figure 7 is a schematic diagram of the partial cooperation between the axial cutter and the fixed knife;

[0044] FIG8 is an axial cross-sectional view of the adsorption roller;

[0045] Figure 9 is a structural diagram of the connector. DETAILED DESCRIPTION

[0046] The present invention will be further described below with reference to the accompanying drawings.

[0047] The strip cutting mechanism provided by the present invention comprises a case 1 with a cavity inside and an open top, a strip cutting assembly 2 and a strip cutting assembly 3 sequentially arranged on the case 1, as shown in FIG1 ;

[0048] The chassis 1 is used to support the shredding assembly 2 and the segmenting assembly 3, and the shredding assembly 2 is arranged on the input side of the cavity of the chassis 1, and the segmenting assembly 3 is arranged in the cavity of the chassis 1; wherein:

[0049] The slitting assembly 2 comprises: a slitting knife roller 21 located at the top, a wire blocking member 22 connected to the bottom of the slitting knife roller 21, and a suction roller 23 located at the bottom and connected to the slitting knife roller 21, so that the fed strip a is adsorbed on the suction roller 23, and then the adsorbed strip a is longitudinally cut into wires by the slitting knife roller 21, and the wire blocking member 22 blocks the wires so that they will not be entangled on the slitting knife roller 21;

[0050] The slitting knife roller 21 includes: a second rotating roller, and a plurality of vertical knife discs 211 arranged at intervals on the second rotating roller. The second rotating roller is connected to a power machine (not shown in the figure, which is a power drive) so that the second rotating roller rotates under the drive of the power machine, and drives the plurality of vertical knife discs 211 thereon to rotate, thereby longitudinally slitting the strip a below into wire materials;

[0051] The distribution spacing of the plurality of vertical cutter discs 211 on the rotating roller is adapted to the width of the wire material, so that the width of the longitudinally cut wire material meets the set width requirement;

[0052] The wire blocking member 22 is provided at the bottom of the wire cutting roller 21, and comprises: a hollow frame, a plurality of wire blocking members longitudinally provided in the hollow part of the frame, the gap between the two wire blocking members being suitable for allowing the corresponding vertical cutter disc 211 on the wire cutting roller 21 to pass through, and the number of wire blocking members is adapted to the number of vertical cutter discs 211, so that the strip a is cut into wire materials meeting the width requirements by the vertical cutter discs 211, and the wire blocking members prevent the wire materials from being entangled on the wire cutting roller 21;

[0053] One end of the slitting knife roller 21 and the wire stopper 22 is suspended in the air, and the other end is connected to the rotating shaft 25 through a connecting piece 24. The rotating shaft 25 is connected to the second power machine so that the rotating shaft 25 can be rotated under the drive of the second power machine, and then the slitting knife roller 21 and the wire stopper 22 are swung to a horizontal state around the rotating shaft 25 through the connecting piece 24 to complete the longitudinal slitting of the strip a, or after swinging to a vertical state around the rotating shaft 25, stop slitting, as shown in Figure 3, and at the same time, it is convenient to clean, maintain and replace the slitting knife roller 21 and the wire stopper 22;

[0054] The connecting member 24 includes a sleeve with a slot 241 and shaft holes 242 and 243. The sleeve is clamped on the chassis 1 through the slot 241, and is connected to the rotating shaft 25 and the shredding knife roller 21 through the shaft holes 242 and 243, respectively, to form a whole. When the rotating shaft 25 rotates, it can drive the connecting member 24 and the shredding knife roller 21 to swing horizontally or vertically synchronously, as shown in Figures 3 and 9;

[0055] The adsorption roller 23 includes a hollow fixed shaft 233 with one end rotatably connected to the power shaft 231 and an exhaust port 2332 at the other end, and a hollow roller 232 axially arranged on the periphery of the hollow fixed shaft 233, wherein: the middle part of the inner end of the power shaft 231 is rotatably connected to one end of the hollow fixed shaft 233 through a first bearing 237, the inner end edge is fixedly connected to one end of the hollow roller 232, and the outer end of the power shaft 231 is connected to the power machine; the other end of the hollow roller 232 is rotatably connected to the corresponding end of the hollow fixed shaft 233 through a second bearing 236, a plurality of adsorption holes 2321 are radially provided on the roller wall of the hollow roller 232, and an outer cavity 234 is provided between the inner wall of the hollow roller 232 and the outer wall of the hollow fixed shaft 233; the hollow of the hollow fixed shaft 233 is the inner cavity 235. A plurality of vent holes 2331 are radially provided on the wall of the hollow fixed shaft 233, connecting the inner cavity 235 and the outer cavity 234. The exhaust port 2332 at the end of the hollow fixed shaft 233 is connected to a negative pressure tube, which is connected to a negative pressure source such as a vacuum machine. So that under the drive of the power machine, the power shaft 231 and the hollow roller 232 rotate, while the hollow fixed shaft 233 remains stationary. Then, under the action of the vacuum machine, a negative pressure state is formed in the inner cavity 235, the vent holes 2331, the outer cavity 234, the adsorption holes 2321 and even the roller surface of the hollow roller 232 through the negative pressure tube, thereby adsorbing the strip a, supporting the strip a and providing traction for conveying the strip a, and preventing the strip a from sliding or deflecting during cutting, thereby improving the cutting quality of the strip a.

[0056] The surface of the adsorption roller 23 is provided with a plurality of annular knife grooves 2322 which can receive the outer edge of the vertical knife disc 211, so as to cut the strip a adsorbed on the roller surface into wires and provide power for the strip transportation;

[0057] The width of each annular knife groove 2322 is adapted to the thickness of the outer edge of the vertical knife disc 211, and the number of annular knife grooves 2322 corresponds to the number of vertical knife discs 211, so as to prevent the strip material and wire material from sliding or shifting during cutting, thereby ensuring the cutting quality of the wire material;

[0058] The two ends of the adsorption roller 23 are rotatably connected to corresponding bearings on the chassis 1;

[0059] The input side of the adsorption roller 23 is provided with a wheel 26 below the rotating shaft 25, so that the strip a can be tensioned by the wheel 26 to meet the process requirements of longitudinally cutting the strip a into wires;

[0060] The segment cutting assembly 3 includes: a movable knife assembly, a fixed knife assembly and a wire segment gathering groove; wherein:

[0061] The top of the wire segment converging groove 331 is open, the middle is a cavity, and the bottom is a wire segment outlet 332;

[0062] The movable knife assembly includes: a first rotating roller 311, and a plurality of axial cutters 312 spaced apart on the roller surface of the first rotating roller 311. The plurality of axial cutters 312 are matched with the fixed knife assembly one by one to form a cutting point for the wire material; both ends of the first rotating roller 311 are rotatably connected to corresponding bearings on the chassis 1 so that it is located on the opening of the wire segment convergence groove 331, and the lower half is placed in the cavity of the wire segment convergence groove 331. One end of the first rotating roller 311 is connected to a third power machine so that the first rotating roller 311 is driven by the third power machine to rotate, and the axial cutters 312 are driven to move one by one with the rotation of the first rotating roller 311, and then match with the fixed knife assembly to cross-cut the longitudinal wire material into wire segments;

[0063] The distribution spacing of the plurality of axial cutters 312 on the roller surface of the first rotating roller 311 is adapted to the set wire segment length so as to meet the cutting requirement of the wire segment length;

[0064] The fixed knife assembly includes: a fixed knife 321 that is matched with the plurality of axial cutters 312 on the first rotating roller 311 one by one. The fixed knife 321 is placed at the input side end of the wire segment convergence groove 331. It is configured as a rectangular strip with an inclined top surface. The blade is located at the lower end of the inclined top surface. The length of the fixed knife 321 and the length of the axial cutters 312 are adapted to the width of the strip a.

[0065] Each axial cutter 312 is arranged on the first rotating roller 311 at a 5° inclination, so that an angle is formed between the inclined blade of the axial cutter 312 and the straight blade of the fixed blade 321. As a result, the cutting points of the axial cutter 312 and the fixed blade 321 gradually move along the width of the strip a from one end to the other, effectively solving the problem of excessive shearing force caused by the straight cutting points, which shortens the service life of the axial cutter 312 blades.

[0066] Each of the axial cutters 312 is embedded in a corresponding cutter groove on the roller surface of the first rotating roller 311. An elastic member 313 is provided at the bottom of the cutter groove. The elastic member 313 is a spring or a rubber pad. The elastic member 313 is used to adjust the blade gap between the axial cutter 312 and the fixed knife 321.

[0067] The first rotating roller 311 of the movable knife assembly is operated so that the axial cutters 312 on the movable knife assembly cooperate with the fixed cutters 321 at the input side end of the wire material converging groove 331 one by one to form cutting points. After that, the longitudinal wires are cut into wire segments one by one in a transverse direction. The wire segments fall into the wire segment converging groove 331 and are discharged through the discharge port 332.

[0068] A transition plate 27 is provided between the fixed blade 321 and the suction roller 23. A plurality of protruding teeth are provided on the transition plate 27 at intervals on a side close to the suction roller 23. Correspondingly, a plurality of annular tooth grooves 2323 are provided on the suction roller 23 to receive the protruding teeth of the transition plate 27, as shown in Figures 3 and 5, to prevent material blockage and jamming.

[0069] An operating hand wheel 313 is provided at one end of the roller shaft of the first rotating roller 311 for manually operating the first rotating roller 311 to rotate and facilitate the removal, installation and adjustment of the axial cutter 312;

[0070] A braking mechanism 314 is provided at the other end of the roller shaft of the first rotating roller 311. The braking mechanism 314 is any one of a conventional electromagnetic clamping assembly, a pneumatic clamping assembly, and a hydraulic clamping assembly, and is used to quickly brake and stop the rotating roller 311 to save related operation time.

Claims

1. A strip cutting mechanism, comprising a chassis, characterized in that The chassis is provided with a shredding assembly and a segmenting assembly in sequence, wherein the segmenting assembly comprises a moving knife assembly and a fixed knife assembly, wherein: The movable knife assembly comprises: a first rotating roller, a plurality of axial cutters arranged at intervals on the roller surface of the first rotating roller, and the plurality of axial cutters are matched with the fixed knife one by one to form a cutting gap; The fixed knife assembly comprises: fixed knives matched one by one with a plurality of axial cutters on the first rotating roller, and the fixed knives are arranged at the input side end of the wire segment converging groove.

2. The strip cutting mechanism according to claim 1, characterized in that The movable knife assembly is placed on the notch of the wire segment convergence groove, and a discharge port is arranged at the bottom of the wire segment convergence groove.

3. The strip cutting mechanism according to claim 1, characterized in that The plurality of axial cutters are all arranged on the first rotating roller at an inclination of less than or equal to 5°, so that an angle is formed between the inclined axial cutter blade and the straight fixed knife blade.

4. The strip cutting mechanism according to claim 1, characterized in that The length of the fixed knife and the length of the axial cutter are adapted to the width of the strip; and the distribution spacing of the plurality of axial cutters on the roller surface of the first rotating roller is adapted to the set length of the wire segment.

5. The strip cutting mechanism according to claim 1, characterized in that Each of the axial cutters is embedded in a corresponding cutter groove on the roller surface of the first rotating roller, and an elastic member is provided at the bottom of the cutter groove.

6. The strip cutting mechanism according to claim 1, characterized in that An operating hand wheel is arranged at one end of the roller shaft of the first rotating roller, and a braking mechanism is arranged at the other end thereof.

7. The strip cutting mechanism according to claim 1, characterized in that The wire cutting assembly comprises: a wire cutting roller located at the top, a wire blocking member connected to the bottom of the wire cutting roller, and an adsorption roller located at the bottom connected to the wire cutting roller, wherein: The shredding knife roller comprises: a second rotating roller, and a plurality of vertical knife discs arranged at intervals on the second rotating roller; The wire stopper comprises: a hollow frame, a plurality of wire stops longitudinally arranged in the hollow of the frame, and the gap between two wire stops is preferably such that the corresponding vertical knife disc on the wire cutting knife roller can pass through; The adsorption roller comprises a hollow roller and a plurality of through holes arranged on the roller wall of the hollow roller.

8. The strip cutting mechanism according to claim 7, characterized in that The distribution spacing of the plurality of vertical cutter discs on the second rotating roller is adapted to the width of the wire material, and the number of wire stops is adapted to the number of vertical cutter discs; one end of the wire cutting roller and the wire stopper is suspended in the air, and the other end is connected to the rotating shaft through a connecting piece; the connecting piece includes a sleeve with a slot and an axial hole thereon, the sleeve is clamped on the chassis through the slot, and then connected to the rotating shaft and the wire cutting roller through the axial hole, thereby forming a whole.

9. The strip cutting mechanism according to claim 7, characterized in that The adsorption roller comprises a hollow fixed shaft with one end rotatably connected to the power shaft and the other end provided with an exhaust port, and a hollow roller axially arranged at the periphery of the hollow fixed shaft, wherein: The middle part of the inner end of the power shaft is rotatably connected to one end of the hollow fixed shaft through the first bearing, the inner end edge is fixedly connected to one end of the hollow roller, and the outer end of the power shaft is connected to the power machine; The other end of the hollow roller is rotatably connected to the corresponding end of the hollow fixed shaft through a second bearing, a plurality of adsorption holes are radially arranged on the roller wall of the hollow roller, and an outer cavity is arranged between the inner wall of the hollow roller and the outer wall of the hollow fixed shaft; The hollow of the hollow fixed shaft is the inner cavity, and a plurality of vents connecting the inner cavity and the outer cavity are radially arranged on the wall of the hollow fixed shaft. The exhaust port at the end of the hollow fixed shaft is connected to the negative pressure pipe, and the negative pressure pipe is connected to a negative pressure source such as a vacuum machine.

10. The strip cutting mechanism according to claim 7, characterized in that The surface of the adsorption roller is provided with a plurality of annular knife grooves which can receive the outer edge of the vertical knife disc at intervals, the width of each annular knife groove is adapted to the thickness of the vertical knife disc, and the number of the annular knife grooves corresponds to the number of the vertical knife discs.

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