Knife roller for fixed-width slitting of strip
Technical Field
The utility model relates to a rotor, especially a strip is decided width and is cut and use rotor belongs to the design and the manufacturing technology field of strip segmentation equipment.
Background
The existing strip slitting knife roller is generally characterized in that the whole knife roller is taken down and then mounted with a knife, the mounting is finished and then mounted on a slitting mechanism, and the cutting mechanism is used after the datum is readjusted, for example, chinese patent application with publication number "CN 109090684A" discloses a shredding device and a shredding process for heating non-burning reconstituted tobacco leaves, which integrally mounts all the blades on a knife shaft, and the problem of the mode is that: (1) The blade is mounted, replaced and maintained by taking down the whole knife roller and then mounting the knife roller on a splitting machine after the blade is mounted, and the mounting, replacement and maintenance of the blade are not utilized; (2) According to the blade mounting mode, when the number of the blades is increased, the machining and mounting errors of the cutter cannot be reduced, and the error is larger when the number of the blades is increased, so that the mode cannot realize large-amplitude slitting of wide strips.
There is therefore a need for improvements in the prior art to meet the higher requirements of the tobacco industry for strands.
Disclosure of Invention
The utility model aims at providing a convenient change and installation error minimum, become that the fixed width of strip of high quality cuts and use rotor.
The utility model discloses a following technical scheme accomplishes: the utility model provides a strip is decided width and is cut and use rotor which characterized in that includes the rotor shaft, locates a plurality of cutter modules on the rotor shaft to and locate the cutter module outer end at rotor shaft both ends and compress tightly the piece or/and retaining member to longitudinally divide the strip and cut into the silk bundle of setting for the width.
The cutter module comprises a shaft sleeve sleeved on the cutter roller shaft and a plurality of disc cutters arranged on the shaft sleeve.
The shaft sleeve is characterized in that an inner key groove is formed in the inner wall of the shaft sleeve, an outer key groove is formed in the outer wall of the shaft sleeve, a first abdicating groove and an axial convex circle are formed in one end of the shaft sleeve at intervals, the outer diameter of the axial convex circle is smaller than that of the front end of the shaft sleeve, a locking nut and a retaining ring are arranged on the axial convex circle at intervals, a groove of a radial outward convex positioning block and the first abdicating groove is formed in the other end of the shaft sleeve at intervals, and therefore the inner key groove in the inner wall of the shaft sleeve is matched and connected with a corresponding cutter roller shaft, and the shaft sleeve is fixed on the cutter roller shaft.
Be equipped with keyway and second groove of stepping down on the interior circle of circular disc cutter, the excircle is equipped with the blade, wherein: the keyway connects with the outer keyway of axle sleeve outer wall through the key and joins in marriage, the second groove of stepping down aligns with the groove of stepping down of locating the axle sleeve both ends, and the second groove of stepping down quantity on the circle in the circular disc cutter is corresponding with the first groove of stepping down quantity at axle sleeve both ends, connect with a plurality of disc cutters through the outer keyway of axle sleeve outer wall and join in marriage mutually, establish bellied retaining ring through lock nut on the axial bulge circle of axle sleeve one end and its excircle interval simultaneously, and the radial evagination locating piece of the axle sleeve other end, a plurality of disc cutters on arranging the axle sleeve in carry out the backstop, fix a position, realize being connected of a plurality of disc cutters and axle sleeve.
The protrusions of the outer circle of the check ring at one end of the shaft sleeve and the second abdicating grooves on the inner circle of the circular disc cutters are arranged in a staggered mode so as to be matched with the radial outwards protruding positioning block at the other end of the shaft sleeve and fix the circular disc cutters on the shaft sleeve;
the cutter module is convenient to be matched and connected with the plurality of disc cutters through the outer key groove on the outer wall of the shaft sleeve, and meanwhile, the plurality of disc cutters arranged on the shaft sleeve are stopped and positioned through the locking nut on the axial convex circle at one end of the shaft sleeve, the convex check rings arranged on the outer circle at intervals and the radial convex positioning block at the other end of the shaft sleeve, so that the installation of the cutter module with the controllable disc cutter position and precision is completed;
and then the inner key groove on the inner wall of the shaft sleeve is matched and connected with a corresponding cutter roller shaft, meanwhile, a locking nut at the front end of the next cutter module is arranged in a shaft sleeve groove at the rear end of the previous cutter module, and is matched and connected with a first abdicating groove at the rear end of the shaft sleeve of the next cutter module through a bulge on a baffle block at the front end of the shaft sleeve of the next cutter module, and a radial outwards-protruding positioning block at the rear end of the shaft sleeve of the previous cutter module is matched and connected with the first abdicating groove at the front end of the shaft sleeve of the next cutter module and a second abdicating groove on an inner circle of a circular cutter aligned with the first abdicating groove, so that the head-tail connection of the adjacent cutter modules is completed, and finally, the assembly of a plurality of cutter modules with controllable position and precision and the cutter roller shaft is completed, and the fixed-width slitting cutter roller is formed.
Compared with the prior art, the beneficial effects of the utility model are as follows: by adopting the technical scheme, the plurality of disc cutters can be arranged on the cutter roller shaft in a cutter module mode, the cutter module can be adjusted, replaced and maintained, the disc cutters on each cutter module can be adjusted, replaced and maintained, the interchangeability is strong, the restriction on the number of the blades is fundamentally solved, the blades are integrally replaced, the waste problem is caused, after the blades are replaced, the installation error is reduced in a controllable range, the requirements on the processing and installation accuracy of the blades are reduced, reliable technical support is provided for finishing large-width strip wire forming, especially fine wire forming, and the working efficiency is greatly improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a cutter module shown in FIG. 1;
FIG. 3 is a schematic view of the bushing structure of FIG. 2;
FIG. 4 is a schematic rear end view of FIG. 3;
fig. 5 is a schematic view of the structure of the circular cutter in fig. 2.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
The utility model provides a strip is decide width and is cut and use rotor, including rotor shaft 1 and a plurality of cutter modules 2 thereon, wherein: each cutter module 1 comprises a shaft sleeve 21 sleeved on the cutter roller shaft 1 and a plurality of circular disc cutters 23 arranged on the shaft sleeve 21, as shown in fig. 1, so as to longitudinally divide the strip material into tows with set widths;
the outer ends of the cutter modules 2 at the two ends of the cutter roll shaft 1 are respectively provided with a gland 3 and a locking nut 4 so as to fix the cutter modules 2 on the cutter roll shaft 1, as shown in figure 1, and thus, the strip materials are longitudinally cut into tows with set width;
the inner wall of the shaft sleeve 21 is provided with an inner key groove 211, the outer wall of the shaft sleeve 21 is provided with an outer key groove 215, one end of the shaft sleeve 21 is provided with first abdicating grooves 214 and axial convex circles 212 at intervals, the outer diameter of the axial convex circle 212 is smaller than that of the front end of the shaft sleeve 21, the axial convex circle 212 is provided with a lock nut 22 and a retainer ring 24 of which the outer circle is provided with protrusions 241 at intervals, the other end of the shaft sleeve 21 is provided with grooves 216 of which the wall is provided with radial convex positioning blocks 213 and the first abdicating grooves 214 at intervals, as shown in figures 3 and 4, so that the inner key groove 211 of the inner wall of the shaft sleeve 21 is matched and connected with the corresponding cutter roller shaft 1, and the shaft sleeve 21 is fixed on the cutter roller shaft 1;
be equipped with keyway 231 and second groove 232 of stepping down on the interior circle of cutting disk 23, the excircle is equipped with blade 233, wherein: the key groove 231 is matched and connected with the outer key groove 215 of the outer wall of the shaft sleeve 21 through a key, the second abdicating grooves 232 are aligned with the first abdicating grooves 214 arranged at two ends of the shaft sleeve 21, the number of the second abdicating grooves 232 on the inner circle of the circular disc cutter 23 is corresponding to the number of the first abdicating grooves 214 at two ends of the shaft sleeve 21, the outer key groove 215 of the outer wall of the shaft sleeve 21 is matched and connected with a plurality of circular disc cutters 23, and simultaneously, the plurality of circular disc cutters 23 arranged on the shaft sleeve 21 are stopped and positioned through the locking nut 22 on the axial convex circle 212 at one end of the shaft sleeve 21, the retainer rings 24 with the bulges 241 at intervals at the outer edge thereof and the radial outwards-protruding positioning block 213 at the other end of the shaft sleeve 21, so as to realize the connection of the plurality of circular disc cutters 23 and the shaft sleeve 21;
the protrusion 241 of the outer circle of the retainer ring 24 at one end of the shaft sleeve 21 and the second abdicating groove 232 on the inner circle of the circular disc cutter 23 are arranged in a staggered manner, and are matched with the radial outward protruding positioning block 213 at the other end of the shaft sleeve 21 to fix a plurality of circular disc cutters 23 on the shaft sleeve 21, and then are arranged in the shaft sleeve 21 groove 216 at the rear end of the previous cutter module through the locking nut 22 at the front end of the next cutter module, and are matched and connected with the abdicating groove 214 at the rear end of the shaft sleeve of the previous cutter module through the protrusion 241 on the shaft sleeve front end retainer ring 24 of the next cutter module and the abdicating groove 214 at the rear end of the shaft sleeve of the previous cutter module, and the radial outward protruding positioning block 213 at the rear end of the shaft sleeve 21 of the previous cutter module and the abdicating groove 214 and the abdicating groove 231 on the inner circle of the circular disc cutter 23 aligned with the abdicating groove 214, so as to complete the head-to-tail connection of the adjacent cutter modules 2, as shown in fig. 1, 2, 3, 4 and 5.