CN208277027U - Paper cutting device - Google Patents

Abstract

The utility model discloses a kind of paper cutting devices, including rotor on being provided with the cutting of cutting upper slitter and it is provided with the vacuum folding roller for cutting off and cutting, rotor is set to vacuum folding roller top or side in cutting, it further include mounting plate and upper slitter adjustment mechanism, mounting plate is fixed on the upper rotor of cutting by the first fastening bolt, cutting upper slitter is installed on one end of mounting plate, upper slitter adjustment mechanism is installed on the other end of mounting plate and matches with cutting upper slitter, it cuts off upper slitter and tilts installation along the length extending direction for cutting off upper rotor, cutting upper slitter is helical blade, cutting upper slitter is cut with cutting to be matched.It is cut using helical form cutting upper slitter, realizes cutting upper slitter and cutting is cut with the shearing of biggish shearing angle, and then realize the reliable cutting to big breadth paper, substantially increase production efficiency.

Description

Paper cutting device

Technical field

The utility model paper folder technology field, in particular to a kind of paper applied to paper folding machine cut off dress It sets.

Background technique

Traditional toilet paper folder generallys use cutter shaft and paper folding roller opposed up and down and that be in rotary state together Cooperate cut paper to achieve the purpose that cut off paper.As depicted in figs. 1 and 2, the existing paper in paper folding machine cuts off dress It sets mainly by rotor (3), swing arm driving cylinder (4), swing arm limiting device in swing arm hinged shaft (1), upper rotor swing arm (2), cutting (5), cutting cuts (6), vacuum folding roller (7), cutting upper slitter (8) and frame plate (9) etc. composition, cuts off upper slitter (8) along axis It is cut off on upper rotor (3) to being mounted on, cutting cuts (6) and is axially mounted on vacuum folding roller (7)；Rotor (3) in cutting The axis projection in the horizontal plane of axis and vacuum folding roller (7) intersect at a certain angle；Upper rotor swing arm (2) One end is sleeved on the spindle nose for cutting off upper rotor (3) two sides, and the other end is sleeved on swing arm hinged shaft (1), outside swing arm hinged shaft (1) Bearing is housed on diameter；The outer end of upper rotor swing arm (2) is connect with swing arm driving cylinder (4)；Swing arm limiting device (5) is located at upper slitter Below the outer end of roller swing arm (22).It is in rotary state due to cutting off upper rotor (2) and vacuum folding roller (7), so in order to Guarantee that institute's cut paper can be completely cut through, when the cutting on vacuum folding roller (7) cuts (6) using strip-shaped cutter, rotor (2) in cutting On cutting upper slitter (8) necessarily can only also use strip-shaped cutter, will appear the continuous situation of cut paper if not using strip-shaped cutter.But It is above structure when cutting paper, it is along vacuum folding roller (7) that cutting upper slitter (8), which cuts the shearing point of (6) with cutting, What circumference extended, since the knife face and the angle of horizontal plane of cutting upper slitter (8) are fixed and invariable, in this way cutting cut (6) and The entrance angle for cutting off the knife face of upper slitter (8) will gradually become smaller as shearing point extends on the circumference of vacuum folding roller (7), And when this entrance angle is too small, the stress of cutting upper slitter (8) is deteriorated, and just not can guarantee paper and reliably cuts off.And For the folding machine of big breadth, not only it is difficult reliably to cut off paper using above-mentioned paper cutter, it can also be in cutting process Biggish noise and vibration can be generated, to also affect the service life and folding rate of parts, leverages paper Uniformity.

In addition, existing paper cutting device often will appear the feelings that blade local location shifts in use Condition, since cutting upper slitter (8) is fixed on cutting upper rotor (2), can not local directed complete set blade position, cause cutter blades to add Quick-wearing, service life greatly shorten, and the replacement of blade is cumbersome, increase use cost.

The paper cutting device of the folding machine of above structure, there are biggish limitation, and it is adaptable it is low, adjust The disadvantages of whole difficult, economy is not high.

Utility model content

The purpose of this utility model is to provide for a kind of long service life, paper easy to adjust, at low cost, high production efficiency Disconnecting device is opened, one of above problem is at least able to solve.

One aspect according to the present utility model provides a kind of paper cutting device, including paper cutting device, including It is provided with rotor in the cutting of cutting upper slitter and is provided with the vacuum folding roller that cutting is cut, rotor is set to vacuum in cutting Above folding roller or side, further includes mounting plate and upper slitter adjustment mechanism, mounting plate is fixed on cutting by the first fastening bolt Upper rotor, cutting upper slitter are installed on one end of mounting plate, upper slitter adjustment mechanism be installed on the other end of mounting plate and in cutting Knife matches, and cutting upper slitter tilts installation along the length extending direction for cutting off upper rotor, and cutting upper slitter is helical blade, cutting Upper slitter cuts with cutting and matches.

Above-mentioned paper cutting device cuts cooperation with cutting using spiral helicine cutting upper slitter and is cut as a result, realizes The entrance angle for the shearing starting point and ending point that cutting upper slitter and cutting are cut is consistent, and shearing between the two is pressed from both sides Angle is larger, is sheared by timesharing point contact to paper, has both realized the reliable cutting to big breadth paper, has substantially increased Production efficiency, and will not generate biggish noise extends the service life of cutter and related parts, be effectively reduced use at This；Cutting upper slitter can be finely adjusted using upper slitter adjustment mechanism simultaneously, and then guarantee that each position of cutting upper slitter exists Stress is all good when cutting shearing with cutting, substantially reduces cutting upper slitter and cuts off the abrasion between cutting, into one Step extends the service life of cutter and related parts.

In some embodiments, upper slitter adjustment mechanism includes adjustment bolt and bolt locating piece, adjustment bolt one end peace Loaded on mounting plate, the other end is fixed on the upper rotor of cutting by bolt locating piece.Turning adjustment bolt as a result, can control installation Plate slightly moves, and drives the cutting upper slitter micro-shifting on mounting plate, achievees the effect that fine tuning, so that under cutting upper slitter and cutting It is always optimum state between knife.

In some embodiments, upper slitter adjustment mechanism is multiple.Upper slitter adjustment mechanism is set as multiple as a result, realizes The multiple spot of cutting upper slitter is adjusted, and cutting off each section of upper slitter can be adjusted respectively, to make the edge of a knife of each section of cutting upper slitter Corresponding cutting, which is cut, to be fitted close, and uniform shear pressure is formed, and then fully ensures that cutting upper slitter, cutting It is always optimum state between cutting, so that cutting upper slitter, cutting cut more durable, prolongs its service life.

In some embodiments, paper cutting device further includes the second fastening bolt, and mounting plate includes bottom plate and pressing plate, Bottom plate is fixed on the upper rotor of cutting, and bottom plate is equipped with mounting groove, and cutting upper slitter is set to mounting groove, one end of the second fastening bolt It is fixed on bottom plate across pressing plate, and cutting upper slitter is pressed in the mounting groove of bottom plate.As a result, when replacement cutting upper slitter, only need Unscrew the second fastening bolt, so that it may old cutting upper slitter is taken out, since bottom plate is fastened on always on the upper rotor of cutting, position With shape there is no changing, do not need to readjust the position of cutter after replacement cutting upper slitter, it is only necessary to by the second fastening bolt Tighten fixation can normal use, realize quick-replaceable blade, reduce downtime, production efficiency greatly improved.

In some embodiments, paper cutting device further includes rack and upper rotor elevating mechanism, in cutting rotor with And vacuum folding roller both ends connect rack, upper rotor elevating mechanism is set to rack and connect with upper rotor is cut off, upper rotor liter Descending mechanism includes servo-drive part and lifting slider, and rack is equipped with sliding block mounting groove, and lifting slider is installed on sliding block mounting groove And the upper rotor both ends of cutting are sheathed on, rack is fixed in one end of servo-drive part, and the other end is fixedly connected with lifting slider.By This, servo-drive part driving lifting slider slides up and down in sliding block mounting groove, and then the upper rotor of cutting is driven to move up and down, complete At the feeding of cutting upper slitter, the lifting of upper rotor is cut off in servo mechanism control, and high degree of automation, Adjustment precision are high.

In some embodiments, upper rotor elevating mechanism further includes caging bolt, and caging bolt is fixed at lifting and slides The bottom end of block.Caging bolt has the function of limit as a result, when can effectively prevent from cutting off rotor decline with vacuum folding roller It collides, improves safety in utilization.

The utility model has the following beneficial effects: the paper cutting device of the utility model using spiral helicine cutting upper slitter and Cutting cuts cooperation and is cut, and the entrance angle for realizing the shearing starting point and ending point that cutting upper slitter is cut with cutting is kept Unanimously, and between the two shearing angle is larger, is sheared by timesharing point contact to paper, has both realized to big breadth The reliable cutting of paper substantially increases production efficiency, and will not generate biggish noise, extends cutter and related parts Use cost is effectively reduced in service life；Cutting upper slitter can be finely adjusted, and then guaranteed using upper slitter adjustment mechanism simultaneously Cut off each position of upper slitter stress when cutting shearing with cutting be it is good, substantially reduce cutting and upper slitter and cut The abrasion broken between cutting further extends the service life of cutter and related parts；Mounting plate includes bottom plate and pressing plate, bottom Plate is fixed on the upper rotor of cutting, and bottom plate is equipped with mounting groove, and cutting upper slitter is set to mounting groove, and pressing plate passes through the second fastening bolt Cutting upper slitter is pressed in the mounting groove of bottom plate, when upper slitter is cut off in replacement, need to only unscrew the second fastening bolt, so that it may take out Old cutting upper slitter, since bottom plate is fastened on always on the upper rotor of cutting, location and shape are replaced in cutting there is no changing Do not need to readjust the position of cutter after knife, it is only necessary to by the second fastening bolt tighten fixation can normal use, realize Quick-replaceable blade, reduces downtime, and production efficiency greatly improved.The paper cutting device of the utility model have make With the service life is long, easy to adjust, economy is high, it is practical, can quick-replaceable blade many advantages, such as.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the paper cutting device of the prior art；

Fig. 2 be A-A shown in FIG. 1 to schematic cross-sectional view；

Fig. 3 is the side structure schematic view of the paper cutting device of the utility model；

Fig. 4 is that the cutting upper slitter of paper cutting device shown in Fig. 3 cuts the structural schematic diagram of cooperation with cutting；

Fig. 5 is the schematic cross-sectional view of B-B direction shown in Fig. 3；

Fig. 6 is the transverse sectional view of paper cutting device shown in fig. 5；

Fig. 7 is the structural schematic diagram of embodiment 2.

Appended drawing reference in Fig. 3~7: 20- rack；Rotor in 21- cutting；22- vacuum folding roller；23- cuts off upper slitter； 24- cutting is cut；25- mounting plate；The first fastening bolt of 26-；27- upper slitter adjustment mechanism；The upper rotor elevating mechanism of 28-；29- Two clamping screws；251- bottom plate；252- pressing plate；271- adjustment bolt；272- bolt locating piece；281- servo-drive part；282- Lifting slider；283- sliding block mounting groove；284- caging bolt.

Specific embodiment

The utility model is described in further detail with reference to the accompanying drawing.

Embodiment 1

Fig. 3~6 schematically show a kind of paper cutting device of embodiment according to the present utility model.

As illustrated in figures 3-6, which includes rack 20, is provided with rotor 21 in the cutting for cutting off upper slitter 23 And it is provided with the vacuum folding roller 22 that cutting cuts 24.The both ends of rotor 21 and vacuum folding roller 22 are all set in machine in cutting Frame 20.Cutting upper slitter 23 is axially mounted to cut off on rotor 21, and cutting cuts 24 and is axially mounted to vacuum folding roller 22 On.The projection of the axis of the axis of rotor 21 and vacuum folding roller 22 in the horizontal plane intersects at a certain angle in cutting, It cuts off upper rotor 21 and both vacuum folding rollers 22 is not parallel.Rotor 21 is set to 22 top of vacuum folding roller or side in cutting Square, rotor 21 is set to 22 upper side of vacuum folding roller in the cutting of present embodiment.The paper cutting device of present embodiment It further include mounting plate 25 and upper slitter adjustment mechanism 27.Mounting plate 25 is fixed on the upper rotor 21 of cutting by the first fastening bolt 26, Cutting upper slitter is installed on one end of mounting plate 25, upper slitter adjustment mechanism 27 be installed on the other end of mounting plate 25 and with cutting upper slitter 23 match, and cutting upper slitter 23 tilts installation along the length extending direction for cutting off upper rotor 21, and cutting upper slitter 23 is with certain Helical blade made of the alloy of intensity, and thinner thickness.Cutting cutting upper slitter 23 cuts 24 with cutting and matches, for cutting It is disconnected to be adsorbed in vacuum folding roller 22 and cut off the paper cut on 24.

As shown in figure 4, cutting off the cutting upper slitter for being machined on upper rotor 21 and extending along axis and being E around axis windup-degree 23 mounting surface, and the mounting surface also attached parabola shaped indent in the axial direction；When mounting plate 25 is cutting upper slitter After 23 are pressed on the mounting surface and are fixed by the first fixing bolt 26, since cutting upper slitter 23 is relatively thin, after compression in cutting The shape of knife 23 and the structure of mounting surface are identical, that is, form helical form.In order to fasten mounting plate 25, cutting upper slitter 23 is avoided to cut It deforms when cutting, the first fixing bolt 26 is set as multiple.

As shown in Figure 3 and Figure 5, the paper cutting device of present embodiment further includes upper rotor elevating mechanism 28, upper rotor Elevating mechanism 28 is set to rack 20 and connect with upper rotor 21 is cut off.Upper rotor elevating mechanism 28 include servo-drive part 281, Lifting slider 282 and caging bolt 283.Rack 20 is equipped with sliding block mounting groove 283, and lifting slider 282 is installed on sliding block installation Slot 283 and fixing sleeve are set to the both ends of the upper rotor 21 of cutting.The servo-drive part 281 of present embodiment is telescopic cylinder, servo The cylinder body of one end of actuator 281 is fixed on rack 20, and the piston rod of the other end is fixedly connected with lifting slider 282.Limit spiral shell Bolt 284 is fixed at the bottom end of lifting slider 282, cuts off upper rotor 21 when servo-drive part 281 drives lifting slider 282 to drive When dropping to lower limit position, caging bolt 284 offsets with the fixing piece for being sheathed on 22 both ends of vacuum folding roller.It limits as a result, Bolt 284 has the function of limit, can effectively prevent from cutting off when rotor 21 declines colliding with vacuum folding roller 22, mention The safety that height uses.Servo-drive part 281 drives lifting slider 282 to slide up and down in sliding block mounting groove 283, and then drives Rotor 21 moves up and down in cutting, completes the feeding of cutting upper slitter 23, and the lifting of upper rotor 21 is cut off in servo mechanism control, automatically Change degree is high, Adjustment precision is high.

As shown in fig. 6, upper slitter adjustment mechanism 27 includes adjustment bolt 271 and bolt locating piece 272.Adjustment bolt 271 1 The screw rod at end is fixedly installed in mounting plate 25, and the other end is fixed on the upper rotor 21 of cutting by bolt locating piece 272.This embodiment party The bolt that the bolt locating piece 272 of formula is connected by two forms, and two bolts cooperate jointly is fixed on cutting for adjustment bolt 27 Upper rotor 21.The upper slitter adjustment mechanism 27 of present embodiment be it is multiple, i.e., adjustment bolt 271 and bolt locating piece 272 correspondence sets It is set to multiple.Adjustment bolt 271 is turned as a result, can control mounting plate 25 and slightly move, drive in the cutting on mounting plate 25 23 micro-shifting of knife, achievees the effect that fine tuning, so that it is always optimum state between 24 that cutting upper slitter 23 and cutting, which are cut,.Upper slitter Adjustment mechanism 27 is set as multiple, and the multiple spot for realizing cutting upper slitter 23 is adjusted, and each section of cutting upper slitter 23 can be adjusted respectively Section is formed uniform so that the cutting for keeping the edge of a knife of each section of cutting upper slitter 23 corresponding cuts 24 tight fits The biggish angle of shear of angle, and then fully ensure that cutting upper slitter 23, to cut be always optimum state between 24 for cutting, so that cutting Upper slitter 23, cutting cut 24 more durable, prolong its service life.

The working principle of the paper cutting device of present embodiment are as follows:

When work, after machine startup, the servo-drive part 281 of two sides is made by controller while pushing down on two sides Lifting slider 282 drops to extreme lower position, and cutting upper slitter 23 is also as the upper rotor 21 of cutting drops to operating position；Paper is inhaled It is attached on vacuum folding roller 22, with the rotation of vacuum folding roller 22, cutting cuts 24 and the mutually shearing of cutting upper slitter 23, covering The paper on 24 is cut in cutting to be cut off.When cutting paper, cutting cuts 24 end point first with cutting 23 edge of a knife of upper slitter Touching, and keep shearing contact cut this at paper to be processed, then as vacuum folding roller 22 rotation continue drive cut It is disconnected that cut 24 another to spiral cutting 23 edge of a knife of upper slitter along the edge of a knife track timesharing point touch of spiral cutting upper slitter 23 Behind end, the primary lateral straight cuts of paper are completed, is recycled with this, completes processing.As shown in figure 4, after adopting the above scheme, by In the helical blade that cutting upper slitter 23 is along the length extending direction inclination installation for cutting off upper rotor 21, and then realize cutting The entrance angle D of entrance angle C and terminating point that upper slitter 23 cuts 24 shearing starting points with cutting are consistent, and cut off the every of upper slitter 23 One position stress when cutting 24 shearing with cutting be all it is good, substantially reduce cutting upper slitter 23 and cutting cut 24 Between abrasion, substantially prolong the service life of cutter and related parts；It cuts off upper slitter 23 simultaneously and cutting is cut between 24 The angle of shear it is larger, the paper folding function of opposite traditional structure cuts bigger thickness, and cut paper noise greatly reduces, and cuts off upper slitter The vibration of roller 21 and vacuum folding roller 22 is also greatly lowered, so that the service life of cutter and related parts is further extended, It is more effective to reduce use cost.

Embodiment 2

Fig. 1~7 schematically show a kind of paper cutting device of embodiment according to the present utility model.

The structure of paper cutting device in the present embodiment with it is essentially identical in embodiment 1, difference be: mounting plate 25 structure is different.

As shown in fig. 7, the mounting plate 25 of present embodiment includes bottom plate 251 and pressing plate 252.Bottom plate 251 is tight by first Fixing bolt 26 is fixed on the upper rotor 21 of cutting, and one end of bottom plate 251 is equipped with mounting groove, and one end of cutting upper slitter 23 is installed on installation In slot, other end stretching mounting groove cuts 23 with cutting and matches.The paper cutting device of present embodiment further includes second tight Fixing bolt 29.Pressing plate 252 is set to outside mounting groove, and one end of the second fastening bolt 29 passes through pressing plate 252 and is fixed on bottom plate 251, So that cutting upper slitter 23 is pressed in the mounting groove of bottom plate 251.When replacement cutting upper slitter 23, it need to only unscrew the second fastening bolt 29, so that it may old cutting upper slitter 23 is taken out, since bottom plate 251 is fastened on always on the upper rotor 21 of cutting, location and shape There is no change, do not need to readjust the position of cutter after replacement cutting upper slitter 23, it is only necessary to twist the second fastening bolt 26 Fastening can normal use.The paper cutting device of present embodiment is by setting 251 He of bottom plate for mounting plate 25 as a result, The combination of pressing plate 252, and fastened by adjustable second fastening bolt 26, quick-replaceable blade is realized, is reduced Production efficiency greatly improved in downtime.

Above-described is only some embodiments of the utility model.For those of ordinary skill in the art, Without departing from the concept of the present invention, various modifications and improvements can be made, these belong to practical Novel protection scope.

Claims (6)

1. paper cutting device, including rotor (21) on being provided with the cutting of cutting upper slitter (23) and it is provided with cutting and cuts (24) vacuum folding roller (22), rotor (21) is set to above vacuum folding roller (22) or side in the cutting, feature It is, further includes mounting plate (25) and upper slitter adjustment mechanism (27), the mounting plate (25) is solid by the first fastening bolt (26) Due to cutting off upper rotor (21), cutting upper slitter (23) is installed on one end of mounting plate (25), the upper slitter adjustment mechanism (27) it is installed on the other end of mounting plate (25) and is matched with cutting upper slitter (23), the cutting upper slitter (23) is along cutting upper slitter The length extending direction of roller (21) tilts installation, and the cutting upper slitter (23) is helical blade, the cutting upper slitter (23) and Cutting cuts (24) and matches.

2. paper cutting device according to claim 1, which is characterized in that the upper slitter adjustment mechanism (27) includes adjustment Bolt (271) and bolt locating piece (272), described adjustment bolt (271) one end are installed on mounting plate (25), and the other end passes through spiral shell It is upper rotor (21) that bolt locating piece (272) is fixed on cutting.

3. paper cutting device according to claim 2, which is characterized in that the upper slitter adjustment mechanism (27) is multiple.

4. paper cutting device according to claim 1, which is characterized in that it further include the second fastening bolt (29), it is described Mounting plate (25) includes bottom plate (251) and pressing plate (252), and the bottom plate (251) is fixed on cutting above rotor (21), the bottom plate (251) it is equipped with mounting groove, the cutting upper slitter (23) is set to mounting groove, and one end of second fastening bolt (29) passes through Pressing plate (252) is fixed on bottom plate (251), and cutting upper slitter (23) is pressed in the mounting groove of bottom plate (251).

5. paper cutting device according to any one of claims 1 to 4, which is characterized in that further include rack (20) and upper Rotor elevating mechanism (28), rotor (21) and vacuum folding roller (22) both ends connection rack (20) in the cutting, it is described on Rotor elevating mechanism (28) is set to rack (20) and connect with upper rotor (21) are cut off, upper rotor elevating mechanism (28) packet Servo-drive part (281) and lifting slider (282) are included, the rack (20) is equipped with sliding block mounting groove (283), and the lifting is slided Block (282) is installed on sliding block mounting groove (283) and is sheathed on upper rotor (21) both ends of cutting, the servo-drive part (281) Rack (20) are fixed in one end, and the other end is fixedly connected with lifting slider (282).

6. paper cutting device according to claim 5, which is characterized in that the upper rotor elevating mechanism (28) further includes Caging bolt (284), the caging bolt (284) are fixed at the bottom end of lifting slider (282).