CN212635857U - Food dicer - Google Patents

Abstract

The utility model discloses a food dicer, which comprises a frame, a conveying device, a transverse cutting device and a longitudinal cutting device, wherein the conveying device, the transverse cutting device and the longitudinal cutting device are arranged on the frame; the transverse cutting device comprises a first mounting frame and a transverse cutting mechanism, the first mounting frame is mounted on the rack, the transverse cutting mechanism comprises a transverse cutting knife assembly and a driving assembly, the driving assembly is mounted on the first mounting frame, the transverse cutting knife assembly is mounted on the driving assembly, and reciprocating motion can be performed along the horizontal direction under the driving of the driving assembly. The utility model discloses a crosscut device is provided with the drive assembly that can drive the crosscut knife subassembly and be reciprocating motion along the horizontal direction, and then makes the crosscut knife subassembly can realize the cutting function of making a round trip to saw, improves cutting efficiency greatly and cutting effect is good.

Description

Food dicer

Technical Field

The utility model relates to a food processing equipment field, in particular to a food slabbing machine for making food such as saqima.

Background

The manufacturing process of the caramel treats needs to go through a plurality of production steps, wherein, the produced whole piece of the caramel treats needs to be cut into single pieces, and the common manual cutting has different widths, different lengths, uneven cutting edges and low cutting efficiency.

Some semi-automatic dicers have appeared on the market to solve the above problems, but the existing dicers mainly have two types: firstly, the conveying device moves continuously and the transverse cutter is fixed in position. The product cut by the machine has the advantages that the cut surface is inclined and not vertical; after the conveying device is conveyed to the position, the conveying device stops moving, and the position of the transverse cutter is fixed; the cut surface of the cut product is vertical, but the running speed is slow (stop and go), and the production is discontinuous. Therefore, the problems of low cutting efficiency, poor cutting effect, poor production continuity and the like of the conventional dicer generally exist.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a food slabbing machine that cutting efficiency is high and cutting effect is good can solve one of above-mentioned problem at least.

In order to achieve the above object, according to one aspect of the present invention, there is provided a food dicer comprising a frame, and a conveying device, a transverse cutting device and a longitudinal cutting device mounted on the frame, wherein the transverse cutting device is disposed behind the longitudinal cutting device;

the transverse cutting device comprises a first mounting frame and a transverse cutting mechanism, the first mounting frame is mounted on the rack, the transverse cutting mechanism comprises a transverse cutting knife assembly and a driving assembly, the driving assembly is mounted on the first mounting frame, the transverse cutting knife assembly is mounted on the driving assembly, and reciprocating motion can be performed along the horizontal direction under the driving of the driving assembly.

Therefore, the utility model provides a food slabbing machine of brand-new structure, this slabbing machine are provided with the automatic transverse cutting device who carries out the rip cutting device and the horizontal cutting that vertically cuts, and the rip cutting device effect is the food material cutting growing up strip of bold form of coming with conveyor transport, and the transverse cutting device effect is single little cubic with rectangular form food material cutting. The utility model discloses a crosscut device is provided with the drive assembly that can drive the crosscut knife subassembly and be reciprocating motion along the horizontal direction, and then makes the crosscut knife subassembly can realize the cutting function of making a round trip to saw, improves cutting efficiency greatly and cutting effect is good.

In some embodiments, the cross cutter assembly includes a cross cutter and a mounting plate, the cross cutter is mounted to the mounting plate, and the mounting plate is mounted to the drive assembly.

In some embodiments, the driving assembly includes a first driving member, a first linkage rod, a slider and a guide rail, the first driving member and the guide rail are mounted on the first mounting frame, the mounting plate is mounted on the slider, the slider is sleeved on the guide rail and is in sliding fit with the guide rail, one end of the first linkage rod is eccentrically connected with the driving end of the first driving member, and the other end of the first linkage rod is connected with the slider. Therefore, the working principle of the driving assembly is as follows: the first driving piece drives the first linkage rod to pull the sliding block to slide along the guide rail, so that the mounting plate and the transverse cutter assembly mounted on the mounting plate horizontally slide along an X axis, feeding of the transverse cutter in the X axis direction is completed, and the function of back and forth sawing of the transverse cutter is achieved.

In some embodiments, the transverse cutting device further comprises a position adjusting mechanism, the position adjusting mechanism is mounted on the frame, the transverse cutting mechanism is mounted on the position adjusting mechanism, and the position adjusting mechanism is connected with the transverse cutting mechanism and configured to adjust the position of the transverse cutting mechanism; the position adjusting mechanism comprises a front-back adjusting Y shaft assembly and an upper-lower adjusting Z shaft assembly, the front-back adjusting Y shaft assembly and the upper-lower adjusting Z shaft assembly are both installed on the rack and are all connected with the first installation rack, the front-back adjusting Y shaft assembly is used for driving the transverse cutting mechanism to move front and back along the Y shaft direction, and the upper-lower adjusting Z shaft assembly is used for driving the transverse cutting mechanism to move up and down along the Z shaft direction. Therefore, the utility model discloses a position control mechanism is adjusted for the diaxon, can satisfy the user demand of multiple difference, and the cutting effect is good and efficient.

In some embodiments, the front-back adjustment Y-axis assembly includes a second driving member, a first rotating shaft, a second linkage rod and a following cam, the second driving member is mounted on the frame, the first rotating shaft is rotatably mounted on the frame, the following cam is sleeved on the first rotating shaft, one end of the second linkage rod is eccentrically connected with the following cam, the other end of the second linkage rod is connected with the first mounting frame, and a driving end of the second driving member is in transmission connection with the first rotating shaft. Therefore, the working principle of the front-back adjustment Y-axis assembly is as follows: the first rotating shaft of second driving piece drive is rotatory, and first rotating shaft drives and follows away cam rotation, follows away the activity of the eccentric articulated second linkage pole of its of cam pulling, and then the first mounting bracket of pulling slides along guide parts such as guide bar, and then makes the crosscut knife installed on first mounting bracket slide around along the Y axle, accomplishes the feeding of crosscut knife in Y axle side, realizes the front and back position adjustment function of crosscut knife. The utility model discloses utilized the cam structure to carry out the transmission, can turned into horizontal linear motion with rotary motion, the purpose makes the crosscut cutter at the in-process that cuts off from the top down, and the speed that the crosscut mechanism moved forward is the same with conveyor's speed, and at this moment, the crosscut cutter is the same with being cut product speed, is static relatively, under the relative quiescent condition of developments, cuts the product of coming out, and the incision is perpendicular with direction of delivery.

In some embodiments, the up-and-down adjusting Z-axis assembly includes a third link and a rotating disk, the rotating disk is sleeved on two ends of the first rotating shaft, one end of the third link is eccentrically connected with the rotating disk, the other end of the third link is connected with the first mounting frame, and a driving end of the second driving member is in transmission connection with the first rotating shaft. Therefore, the working principle of adjusting the Z shaft assembly up and down is as follows: the first rotating shaft of second driving piece drive is rotatory, and first rotating shaft drives the rolling disc and rotates, and the activity of eccentric articulated its third linkage of rolling disc pulling, and then the first mounting bracket of pulling slides along guide parts such as guide bar, and then makes the crosscut knife installed on first mounting bracket slide around the Z axle, accomplishes the feeding of crosscut knife in Z axle side, realizes the high position adjustment function of crosscut knife.

In some embodiments, the crosscutting apparatus further comprises a carrier mechanism disposed on the first mounting frame and below the crosscutting mechanism; the transverse cutting mechanism is matched with the bearing mechanism and used for cutting the material on the bearing mechanism; the bearing mechanism comprises a bearing plate, the bearing plate is arranged on the first mounting frame, a cutter groove is formed in the upper end face of the bearing plate, and the cutter groove is matched with the transverse cutter. From this, bearing mechanism can realize the cutting to the rapid and stable of material in the cooperation of crosscut mechanism. The automatic positioning of the transverse cutter is convenient for cutting due to the arrangement of the cutter grooves, so that the transverse cutter can be effectively protected while the cutting efficiency is improved.

In some embodiments, the slitting device comprises a third mounting frame and a slitting mechanism, the third mounting frame is mounted on the frame, the slitting mechanism is mounted on the third mounting frame, the slitting mechanism comprises a fourth driving part, a second rotating shaft and a slitting knife, the fourth driving part is mounted on the third mounting frame, the second rotating shaft is rotatably mounted on the third mounting frame, the slitting knife comprises at least one disc blade, the disc blade is sleeved on the periphery of the second rotating shaft, and the driving end of the fourth driving part is in power connection with the second rotating shaft. Therefore, the working principle of the slitting device is as follows: the fourth driving part drives the second rotating shaft to rotate, and drives all longitudinal cutters arranged on the second rotating shaft to rotate, so that longitudinal cutting of the material is realized.

The utility model has the advantages that:

the utility model provides a food slabbing machine of brand-new structure, this slabbing machine are provided with the automatic transverse cutting device who carries out the rip cutting device and the transverse cutting that vertically cut, and the rip cutting device effect is the food material cutting growth strip of the bold form of carrying coming with conveyor, and the transverse cutting device effect is single little cubic with rectangular form food material cutting. The utility model discloses a crosscut device is provided with position control mechanism, can carry out triaxial automatically regulated to the position of crosscut mechanism for the crosscut mechanism can accomplish the crosscut food material automatically, cuts efficiently.

Drawings

Fig. 1 is a schematic perspective view of a food dicer according to an embodiment of the present invention;

FIG. 2 is one of the schematic structural views of the cross cutting apparatus of the food dicer of FIG. 1;

FIG. 3 is a second schematic view of the cross-cutting apparatus of the food dicer of FIG. 1;

FIG. 4 is a schematic view of a position adjustment mechanism of the crosscutting apparatus shown in FIG. 2;

FIG. 5 is a schematic view of a cross cutting mechanism of the cross cutting apparatus shown in FIG. 2;

FIG. 6 is a schematic view of the carriage mechanism of the cross-cutting apparatus shown in FIG. 2;

fig. 7 is a schematic structural view of a slitting device of the food dicer shown in fig. 1.

Reference numerals in FIGS. 1 to 7: 1-a frame; 2-a conveying device; 3-transverse cutting device; 4-a slitting device; 31-a first mounting frame; 32-a transverse cutting mechanism; 33-a carrying mechanism; 34-a position adjustment mechanism; 41-a third mounting frame; 42-a slitting mechanism; 321-a cross cutter assembly; 322-a drive assembly; 3211-transverse cutter; 3212-mounting plate; 331-a carrier plate; 341-Adjust Y shaft Assembly Forward and Forward; 342-adjusting the Z-axis assembly up and down; 421-a fourth drive; 422-second rotating shaft; 423-longitudinal cutter; 3311-knife slot; 3221-a first driving member; 3222-a first linkage rod; 3223-a slider; 3224-a guide rail; 3411-a second drive member; 3412-a first rotating shaft; 3413-a second linkage rod; 3414-a follow-up cam; 3421-third linkage bar; 3422-rotating disk.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Fig. 1 to 7 schematically show a food dicer according to an embodiment of the present invention.

As shown in fig. 1 to 7, the food dicer includes a frame 1, and a conveyor 2, a cross-cutting device 3, and a slitting device 4 mounted on the frame 1. The transverse cutting device 3 is arranged behind the longitudinal cutting device 4. The conveying device 2 of the present embodiment may be a stepping conveyor belt commonly used in the market.

The crosscutting apparatus 3 comprises a first mounting frame 31, a crosscutting mechanism 32 and a position adjustment mechanism 34. The first mounting bracket 31 and the position adjustment mechanism 34 are mounted to the frame 1. A position adjustment mechanism 34 is coupled to the cross-cutting mechanism 32 and is configured to adjust the position of the cross-cutting mechanism 32.

The transverse cutting mechanism 32 comprises a transverse cutter component 321 and a driving component 322, the driving component 322 is installed on the first installation frame 31, the transverse cutter component 321 is installed on the driving component 322, and the transverse cutter component 321 can reciprocate along the horizontal direction under the driving of the driving component 322.

The cross cutter assembly 321 includes a cross cutter 3211 and a mounting plate 3212. The transverse cutter 3211 is mounted on the mounting plate 3212, and the mounting plate 3212 is mounted on the driving assembly 322. The cross cutter 3211 of the present embodiment is a long-strip-shaped blade, and is fixedly mounted to the mounting plate 3212 by a fastener such as a bolt.

The drive assembly 322 of this embodiment includes a first drive member 3221, a first linkage rod 3222, a slider 3223, and a guide track 3224. The first driving member 3221 and the guide rail 3224 are mounted on the first mounting frame 31, the mounting plate 3212 is mounted on the slider 3223, the slider 3223 is sleeved on the guide rail 3224 and is in sliding fit with the guide rail 3224, one end of the first linkage rod 3222 is eccentrically connected with the driving end of the first driving member 3221, and the other end of the first linkage rod 3222 is connected with the slider 3223. The first driving member 3221 of this embodiment may be a motor. Thus, the operating principle of the driving assembly 322 is: the first driving member 3221 drives the first linkage rod 3222 to pull the slider 3223 to slide along the guide rail 3224, so that the mounting plate 3212 and the transverse cutting knife 3211 mounted on the mounting plate 3212 horizontally slide along the X axis, thereby completing the feeding of the transverse cutting knife 3211 in the X axis direction, and realizing the back-and-forth sawing function of the transverse cutting knife 3211.

As shown in fig. 1 to 4, the position adjustment mechanism 34 of the present embodiment includes a front-rear adjustment Y shaft unit 341 and an up-down adjustment Z shaft unit 342. The front-back adjusting Y shaft assembly 341 and the up-down adjusting Z shaft assembly 342 are both mounted on the frame 1 and are both connected with the first mounting frame 31, the front-back adjusting Y shaft assembly 341 is used for driving the transverse cutter 3211 to move front and back along the Y-axis direction, and the up-down adjusting Z shaft assembly 342 is used for driving the transverse cutter 3211 to move up and down along the Z-axis direction. Therefore, the utility model discloses a position control mechanism 34 is the triaxial and adjusts, can satisfy the user demand of multiple difference, and the cutting effect is good and efficient.

The front-rear adjustment Y-shaft assembly 341 includes a second driver 3411, a first rotation shaft 3412, a second link lever 3413, and a follow-up cam 3414. The second driving member 3411 is mounted to the frame 1, the first rotating shaft 3412 is rotatably mounted to the frame 1, the following cam 3414 is sleeved on the first rotating shaft 3412, one end of the second link rod 3413 is eccentrically connected to the following cam 3414, the other end of the second link rod 3413 is connected to the first mounting frame 31, and a driving end of the second driving member 3411 is drivingly connected to the first rotating shaft 3412. Thus, the working principle of adjusting the Y-axis assembly 341 back and forth is: the second driving member 3411 drives the first rotating shaft 3412 to rotate, the first rotating shaft 3412 drives the following cam 3414 to rotate, the following cam 3414 pulls the second link rod 3413 eccentrically hinged with the first link rod to move, and then the first mounting frame 31 is pulled to slide along guide components such as guide rods, so that the transverse cutter 3211 mounted on the first mounting frame 31 slides back and forth along the Y axis, feeding of the transverse cutter 3211 in the Y axis direction is completed, and a front and back position adjusting function of the transverse cutter 3211 is realized.

Up-down Z-shaft assembly 342 includes a third linkage 3421 and a turn plate 3422. The rotary disks 3422 are fitted around both ends of the first rotary shaft 3412. One end of the third link 3421 is eccentrically connected to the rotating disk 3422, and the other end is connected to the first mounting bracket 31. A circular ring-shaped limiting groove is formed in the rotating disk 3422 of this embodiment, and the third linkage 3421 is eccentrically connected to the limiting groove via pulleys and the like. The driving end of the second driving element 3411 is in transmission connection with the first rotating shaft 3412 through a transmission structure such as a belt and a gear. The front-rear adjustment Y-axis assembly 341 and the up-down adjustment Z-axis assembly 342 of this embodiment share a second driver 3411, and the second driver 3411 may be a motor. Thus, the working principle of adjusting the Z-axis assembly 342 up and down is: the second driving member 3411 drives the first rotating shaft 3412 to rotate, the first rotating shaft 3412 drives the rotating disc 3422 to rotate, the rotating disc 3422 pulls the third linkage rod 3421 eccentrically hinged to the rotating disc 3422 to move, and then pulls the first mounting frame 31 to slide along the guide components such as the guide rods, so that the transverse cutter 3211 mounted on the first mounting frame 31 slides back and forth along the Z axis, feeding of the transverse cutter 3211 in the Z axis direction is completed, and the height position adjustment function of the transverse cutter 3211 is realized.

As shown in fig. 1 to 2 and 6, the crosscutting apparatus 3 of the present embodiment further includes a carriage mechanism 33. The bearing mechanism 33 is disposed on the first mounting frame 31 and below the transverse cutting mechanism 32. The traversing means 32 is coupled to the carrying means 33 for cutting the material on the carrying means 33. The bearing mechanism 33 includes a bearing plate 331. The loading plate 331 is mounted on the first mounting frame 31. The upper end surface of the carrier plate 331 is provided with a knife slot 3311. The knife slot 3311 is matched with the transverse cutting knife 3211. Therefore, the bearing mechanism 33 is matched with the transverse cutting mechanism 32, so that the material can be cut quickly and stably. The arrangement of the cutter grooves 3311 facilitates the automatic positioning of the transverse cutter 3211 during cutting, improves the cutting efficiency and simultaneously effectively protects the transverse cutter 3211.

As shown in fig. 7, the slitting device 4 of the present embodiment includes a third mount 41 and a slitting mechanism 42. The third mounting frame 41 is mounted on the frame 1, the slitting mechanism 42 is mounted on the third mounting frame 41, the slitting mechanism 42 includes a fourth driving member 421, a second rotating shaft 422 and a slitting knife 423, the fourth driving member 421 is mounted on the third mounting frame 41, the second rotating shaft 422 is rotatably mounted on the third mounting frame 41, the slitting knife 423 includes at least one disc blade, the disc blade is sleeved on the periphery of the second rotating shaft 422, and the driving end of the fourth driving member 421 is in power connection with the second rotating shaft 422. The fourth driver 421 of the present embodiment may be a reduction motor. The working principle of the slitting device 4 is thus: the fourth driving member 421 drives the second rotating shaft 422 to rotate, so as to drive all the longitudinal cutters 423 mounted on the second rotating shaft 422 to rotate, thereby realizing longitudinal cutting of the material.

The utility model discloses a food surely remembers machine's theory of operation does:

the conveying device 2 conveys massive caramel treats to the slitting device 4, the slitting device 4 starts to work, the fourth driving part 421 drives the second rotating shaft 422 to rotate to drive all the slitting knives 423 arranged on the second rotating shaft 422 to rotate, the massive caramel treats are longitudinally cut into a plurality of strip-shaped materials, the conveying device 2 continues to operate to convey the strip-shaped materials to the transverse cutting device 3, the transverse cutting device 3 starts to work, the transverse cutting mechanism 32 realizes the chopping action on the transverse cutting knife 3211 under the action of adjusting the Y shaft component 341 back and forth and adjusting the Z shaft component 342 up and down, then realizes the sawing back and forth action under the action of the driving component 322, under the driving of the position adjusting mechanism 34 driven by two shafts and the driving component 322 driven by the sawing back and forth, the transverse cutting mechanism 32 is matched with the bearing mechanism 33 to cut the strip-shaped materials into a plurality of single materials at one time, the transverse cutting device 3 resets after the cutting is finished, the conveyor belt is again transported to the cutting position of the crosscutting device 3 and the crosscutting mechanism 32 repeats the above-described operation.

The utility model provides a food slabbing machine of brand-new structure, this slabbing machine are provided with the automatic transverse cutting device 3 who carries out the vertical cutting of rip cutting device 4 and transverse cutting, rip cutting device 4 effect is that the food material of the bold form of coming is carried conveyor 2 cuts into long banding, and transverse cutting device 3 effect is that to cut into single little cubic with rectangular form food material. The utility model discloses a crosscut device 3 is provided with position control mechanism 34, can carry out triaxial automatically regulated to the position of crosscut mechanism 32 for crosscut mechanism 32 can accomplish the transverse cutting food material automatically, cuts efficiently.

What has been described above are only some embodiments of the invention. For those skilled in the art, without departing from the inventive concept, several modifications and improvements can be made, which are within the scope of the invention.

Claims (10)

1. The food dicer is characterized by comprising a rack (1), a conveying device (2), a transverse cutting device (3) and a longitudinal cutting device (4), wherein the conveying device, the transverse cutting device (3) and the longitudinal cutting device (4) are arranged on the rack (1);

the transverse cutting device (3) comprises a first mounting frame (31) and a transverse cutting mechanism (32), the first mounting frame (31) is mounted on the rack (1), the transverse cutting mechanism (32) comprises a transverse cutter assembly (321) and a driving assembly (322), the driving assembly (322) is mounted on the first mounting frame (31), the transverse cutter assembly (321) is mounted on the driving assembly (322), and under the driving of the driving assembly (322), the transverse cutter assembly (321) can move back and forth along the horizontal direction.

2. The food bar cutter of claim 1, characterized in that the cross cutter assembly (321) comprises a cross cutter (3211) and a mounting plate (3212), the cross cutter (3211) being mounted to the mounting plate (3212), the mounting plate (3212) being mounted to the drive assembly (322).

3. The food dicer according to claim 2, wherein the driving assembly (322) comprises a first driving member (3221), a first linkage rod (3222), a sliding block (3223) and a guide rail (3224), the first driving member (3221) and the guide rail (3224) are mounted on the first mounting frame (31), the mounting plate (3212) is mounted on the sliding block (3223), the sliding block (3223) is sleeved on the guide rail (3224) and is in sliding fit with the guide rail (3224), one end of the first linkage rod (3222) is eccentrically connected with the driving end of the first driving member (3221), and the other end of the first linkage rod (3222) is connected with the sliding block (3223).

4. The food dicer according to claim 1, characterized in that the transverse cutting device (3) further comprises a position adjusting mechanism (34), the position adjusting mechanism (34) is mounted to the frame (1), the transverse cutting mechanism (32) is mounted to the position adjusting mechanism (34), the position adjusting mechanism (34) is connected with the transverse cutting mechanism (32) and configured to adjust the position of the transverse cutting mechanism (32); position adjustment mechanism (34) are including adjusting Y axle subassembly (341) and adjusting Z axle subassembly (342) from top to bottom around, adjust Y axle subassembly (341) and adjust Z axle subassembly (342) from top to bottom around and all install in frame (1) and all be connected with first mounting bracket (31), adjust Y axle subassembly (341) around and be used for driving crosscut mechanism (32) along Y axle direction seesaw, adjust Z axle subassembly (342) from top to bottom and be used for driving crosscut mechanism (32) along Z axle direction up-and-down motion.

5. The food dicer of claim 4, wherein the front-back adjusting Y-axis assembly (341) comprises a second driving member (3411), a first rotating shaft (3412), a second linkage rod (3413) and a following cam (3414), the second driving member (3411) is mounted to the frame (1), the first rotating shaft (3412) is rotatably mounted to the frame (1), the following cam (3414) is sleeved on the first rotating shaft (3412), one end of the second linkage rod (3413) is eccentrically connected with the following cam (3414), the other end of the second linkage rod is connected with the first mounting frame (31), and a driving end of the second driving member (3411) is in transmission connection with the first rotating shaft (3412).

6. The food dicer according to claim 5, wherein the up-and-down adjusting Z-axis assembly (342) comprises a third link (3421) and a rotating disc (3422), the rotating disc (3422) is sleeved on both ends of a first rotating shaft (3412), one end of the third link (3421) is eccentrically connected with the rotating disc (3422), the other end is connected with the first mounting frame (31), and the driving end of the second driver (3411) is in transmission connection with the first rotating shaft (3412).

7. The food dicer according to any one of claims 1-6, wherein the transverse cutting device (3) further comprises a bearing mechanism (33), the bearing mechanism (33) is arranged on the first mounting frame (31) and is positioned below the transverse cutting mechanism (32), and the transverse cutting mechanism (32) is matched with the bearing mechanism (33) and is used for cutting the materials on the bearing mechanism (33).

8. The food dicer of claim 7, wherein the supporting mechanism (33) comprises a supporting plate (331), the supporting plate (331) is mounted on the first mounting frame (31), a knife slot (3311) is formed on the upper end surface of the supporting plate (331), and the knife slot (3311) is matched with the cross-cutter assembly (321).

9. A food dicer as claimed in any one of claims 1 to 6, wherein the slitting device (4) comprises a third mounting bracket (41) and a slitting mechanism (42), the third mounting bracket (41) being mounted to the frame (1) and the slitting mechanism (42) being mounted to the third mounting bracket (41).

10. The food bar cutter of claim 9, wherein the slitting mechanism (42) comprises a fourth drive member (421), a second rotatable shaft (422) and a slitting blade (423), the fourth drive member (421) is mounted to the third mounting bracket (41), the second rotatable shaft (422) is rotatably mounted to the third mounting bracket (41), the slitting blade (423) comprises at least one disc blade, the disc blade is sleeved on the outer periphery of the second rotatable shaft (422), and the driving end of the fourth drive member (421) is in powered connection with the second rotatable shaft (422).

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