CN207156012U

CN207156012U - paper cutter

Info

Publication number: CN207156012U
Application number: CN201720959233.3U
Authority: CN
Inventors: 刘桂银; 刘曦尧; 袁小明
Original assignee: Shenzhen Ding Ding Technology Co Ltd
Current assignee: Shenzhen Ding Ding Technology Co Ltd
Priority date: 2017-08-02
Filing date: 2017-08-02
Publication date: 2018-03-30
Anticipated expiration: 2027-08-02

Abstract

Printing device technical field is the utility model is related to, the utility model provides a kind of paper cutter, including：Casing, two groups of paper-feed rubber rollers and cutting knife, casing internal are provided with paper feed passage, and two groups of paper-feed rubber rollers are arranged on paper feed passage, and cutting knife is between two groups of paper-feed rubber rollers.Two groups of paper-feed rubber rollers clamp the both ends of the paper to be cut respectively when transmission is located at the paper to be cut in paper cutter.The paper to be cut is provided with easy-torn line, and being arranged at the cutting knife between two groups of paper-feed rubber rollers can be by extruding the paper to be cut so that the paper to be cut is fitly broken along easy-torn line.By the above-mentioned means, paper cutter can continuously process neat bill.

Description

Paper cutter

【Technical field】

It the utility model is related to printing device technical field, more particularly to a kind of paper cutter.

【Background technology】

Digital printing is the printing technology developed rapidly in recent years, as entrance ticket, film ticket, air ticket, instant lottery, The bills such as boarding card are mostly by the sale of artificial or Self-service Tickets.

During the utility model is realized, inventor has found that prior art at least has problems with：Ticketing at present Still artificial ticketing is used in large quantities, and artificial ticketing is all by manually carrying out ticket checking or ticketing along easy-torn line tear fracture.At this During one often occur because it is artificial the reason for cause the phenomenon that bill damages during tear fracture；Meanwhile it need to employ specially People carries out ticket checking or ticketing, not only waste of manpower resource, and efficiency is low.And Self-service Tickets requires that ticket paper must print at present Black mark or gap are positioned, paper feed positioning is carried out by detecting black mark or gap, and uses sharp sword cutter cut paper, but for current city Field largely use without the bill for printing black mark or gap, using current drawing machine or printer, often occur cutter without Method is cut according to the easy-torn line that bill is provided with to the bill exactly, is caused invalidated ticket, can not be used.

【Utility model content】

In view of the above problems, the utility model provides a kind of paper cutter that can continuously process neat bill.

In order to achieve the above object, the utility model embodiment provides a kind of paper cutter, including：Casing, paper-feed rubber roller and Cutting knife, wherein, the casing is internally provided with paper feed passage；The paper-feed rubber roller includes the first active rubber roll, first driven Rubber roll, the second active rubber roll and the second driven rubber roll, first active rubber roll and the first driven rubber roll are installed on the casing Interior, respectively positioned at the both sides of the paper feed passage, and first active rubber roll and the first driven rubber roll are perpendicular to described The direction alignment of paper feed passage, second active rubber roll and the second driven rubber roll are installed in the casing, respectively positioned at institute The both sides of paper feed passage are stated, and second active rubber roll and the second driven rubber roll are perpendicular to the direction of the paper feed passage Alignment；The cutting knife, the side of the paper feed passage is installed on, and the cutting knife is located at first active rubber roll and second Between active rubber roll, the cutting knife can move reciprocatingly relative to the paper feed passage.

In certain embodiments, the casing includes upper casing and lower casing, a side wall of the upper casing with it is described under One side wall of casing snaps connection, the side wall of the opposite side of the upper casing and the side walls hinged company of the opposite side of the lower casing Connect；The upper casing is provided with neck, and the width of the neck opening is less than the width of the neck bottom；The lower casing Button is provided with, the button includes the first Access Division and the second Access Division, one end of first Access Division and described second One end of Access Division is fixedly connected, and the diameter of first Access Division is more than the width of the neck opening, second card The diameter of socket part is less than or equal to the width of the neck opening, when first Access Division is embedded in the bottom of the neck When, the upper casing and lower casing are fastened togather, and press the button and may be such that first Access Division is wrong with the neck Open so that upper casing and the lower casing separation.

In certain embodiments, the junction of a side wall of the upper casing and a side wall of the lower casing is formed with entering The junction of the side wall of the opposite side of paper mouth, the side wall of the opposite side of the upper casing and the lower casing is formed with exit slot； The both ends of the paper feed port and exit slot respectively with the paper feed passage are docked, and the paper feed port and exit slot respectively with institute Paper feed passage is stated to be connected.

In certain embodiments, the paper cutter also includes paper-in sensor and goes out paper sensor, the paper-in sensor The side of the paper feed passage is arranged at, and close to the paper feed port, enters the paper feed passage for sensing from paper feed port Paper；It is described go out paper sensor be arranged at the side of the paper feed passage, and close to the exit slot, lead to for sensing from paper feed Road is sent to the paper at the exit slot.

In certain embodiments, the cutting knife is installed on the casing along perpendicular to the direction of the paper feed passage；It is described Cutting knife can do straight reciprocating motion along perpendicular to the direction of the paper feed passage.

In certain embodiments, the cutting knife is provided with blade, and the blade is blunt edges.

In certain embodiments, the middle part protrusion of the relatively described blade in the both ends of the blade.

In certain embodiments, the paper cutter also includes transmission component, and the transmission component is installed in the casing, And the cutting knife is installed on the transmission component, the transmission component is used to drive the cutting knife edge perpendicular to the paper feed to lead to Do straight reciprocating motion in the direction in road.

In certain embodiments, the one side of the cutting knife is provided with teeth portion, and the teeth portion is in strip, along the cutting knife The direction of motion set；The transmission component includes installing frame, cover plate, power transmission shaft, first gear and second gear, the installation Frame is fixedly installed in the casing, and the cover plate is fixedly connected with the installing frame, and the power transmission shaft is hinged with the installing frame, The first gear is fixedly connected on one end of the power transmission shaft, and the second gear is fixedly connected on the power transmission shaft, and The second gear engages with the teeth portion.

In certain embodiments, the one side of the cutting knife, which is set, guide finger, and guide groove is provided with the cover plate, The guide finger is embedded in the guide groove, and can be slided in the guide groove.

In certain embodiments, the paper cutter also includes Power Component, and the Power Component includes drive device and tooth Wheel drive mechanism, the gear drive are connected with the drive device, the first active rubber roll and the second active rubber roll respectively, So that the drive device can drive first active rubber roll and the second active rubber roll to rotate simultaneously.

In certain embodiments, the gear drive includes the first travelling gear, the second travelling gear, the 3rd transmission Gear, the 4th travelling gear, the 5th travelling gear and the 6th travelling gear；First travelling gear and the drive device Rotary shaft is fixedly connected, and second travelling gear is hinged with the casing, and is engaged with first travelling gear；Described Three travelling gears are hinged with the casing, and are engaged with second travelling gear；4th travelling gear and described first Active rubber roll is fixedly connected, and is engaged with the 3rd travelling gear；5th travelling gear is hinged with the casing, and with The 4th travelling gear engagement；6th travelling gear is fixedly connected with second active rubber roll, and with the described 5th Travelling gear engages.

The beneficial effects of the utility model are：The situation of prior art is different from, the utility model embodiment provides a kind of Paper cutter, it is internally provided with two groups of paper-feed rubber rollers, two groups of paper-feed rubber rollers in be cut paper of the transmission in the paper cutter, The both ends of the paper to be cut are clamped respectively.The paper to be cut is provided with easy-torn line, the cutting knife being arranged between two groups of paper-feed rubber rollers Can be by extruding the paper to be cut so that the paper to be cut is fitly broken along easy-torn line, so that it is guaranteed that paper cutter can continuously not The fitly bill processed disconnectedly.

Further, the blade is blunt edges, when the blade extrudes paper to be cut, even if the easy-torn line does not have With the blade cutting edge alignment, the blade again may be by extruding paper to be cut so that paper to be cut fitly breaks along easy-torn line Split, so as to reduce the requirement of the paper cutter paper feed precision.

【Brief description of the drawings】

Fig. 1 is the stereogram of paper cutter in the utility model embodiment；

Fig. 2 is in the stereogram of open mode for the paper cutter shown in Fig. 1；

Fig. 3 is the sectional view of the paper cutter shown in Fig. 1；

Fig. 4 is another sectional view of the paper cutter shown in Fig. 1；

Fig. 5 is the cutting knife of paper cutter and the assembling stereogram of transmission component shown in Fig. 1；

Fig. 6 is the stereogram of the cutting knife shown in Fig. 5；

Fig. 7 is the assembling stereogram of the paper-feed rubber roller and Power Component shown in Fig. 1；

Fig. 8 is another assembling stereogram of the paper-feed rubber roller and Power Component shown in Fig. 7.

【Embodiment】

For the ease of understanding the utility model, below in conjunction with the accompanying drawings and specific embodiment, the utility model is carried out more detailed Thin explanation.It should be noted that when element is expressed " being fixed on " another element, it can be directly in another element Above or therebetween there may be one or more elements placed in the middle.When an element is expressed " connection " another element, it can To be directly to another element or there may be one or more elements placed in the middle therebetween.This specification is used Term " vertical ", " horizontal ", "left", "right" and similar statement for illustrative purposes only.

Unless otherwise defined, technology all used in this specification and scientific terminology are with belonging to skill of the present utility model The implication that the technical staff in art field is generally understood that is identical.It is intended merely in term used in the description of the present utility model The purpose of specific embodiment is described, is not intended to limit the utility model.Term "and/or" includes used in this specification The arbitrary and all combination of one or more related Listed Items.

In addition, as long as technical characteristic involved in the utility model difference embodiment disclosed below is each other not Conflict can is formed to be combined with each other.

As shown in Figure 1 to Figure 3, the utility model embodiment provides a kind of paper cutter 100, for by the bill with easy-torn line Tear fracture is simultaneously sent out, to realize self-service ticket function.The paper cutter 100 includes：Casing 10, paper-in sensor 20, paper-feed rubber roller 30th, paper sensor 40, cutting knife 50, transmission component 60, Power Component 70 are gone out.

The casing 10 includes upper casing 11 and lower casing 12, a side wall of the upper casing 11 and the lower casing 12 One side wall snaps connection, the side wall of the opposite side of the upper casing 11 and the side walls hinged company of the opposite side of the lower casing 12 Connect.The upper casing 11 and lower casing 12 are mutually fastened, and receiving space, the paper-in sensor 20, paper feed are internally formed at it Rubber roll 30, go out paper sensor 40, cutting knife 50, transmission component 60, Power Component 70 and be respectively positioned in the casing 10.The lower casing 12 another wall outer surface is provided with button 121, by pressing the button 121, may be such that the side of the upper casing 11 One side wall of wall and the lower casing 12 is mutually disengaged.The benefit so designed is：The casing can conveniently and efficiently be opened 10, during so as to damage of components in the casing 10, the parts be easy to inside safeguarding and change in time and quickly.

Specifically, as shown in figure 4, the side wall of the upper casing 11 is provided with neck 111, the opening of neck 111 Width is less than the width of bottom.The button 121 includes installation portion 1211, the first Access Division 1212, the and of the second Access Division 1213 Press section 1214, one end of the installation portion 1211 are fixedly connected with one end of first Access Division 1212, first card The other end of socket part 1212 is fixedly connected with one end of second Access Division 1213, the other end of second Access Division 1213 It is fixedly connected with one end of the press section 1214.The diameter of first Access Division 1212 is more than second Access Division 1213 Diameter.One end of the button 121 is inserted in the lower casing 12, and the button 121 can be relative to the lower casing 12, moved reciprocatingly along the axis direction of the button 121.The lower casing 12 is additionally provided with spring 122, the spring 122 The installation portion 1211 is sheathed on, described one end of spring 122 supports the lower casing 12, and the other end supports first clamping Portion 1212.When the upper casing 11 and lower casing 12 snap connection, first Access Division 1212 is located at the neck 111 Bottom, the diameter of first Access Division 1212 is less than the width of the bottom, and the diameter of the first Access Division 1212 is more than The width of opening, so as to prevent first Access Division 1212 from departing from from the opening of the neck 111, so that The upper casing 11 is connected firmly with the lower casing 12.When needing to open the casing 10, the button is pressed with hand 121 so that move inside of the button 121 along its axis to lower casing 12 so that first Access Division 1212 is along its axle Line direction skids off from the bottom of the neck 111, until first Access Division 1212 is staggered completely with the neck 111.This Into the bottom of the neck 111, (now, second Access Division 1213 is in original first and blocked for the second Access Divisions of Shi Suoshu 1213 The position of socket part 1212).Because second Access Division 1213 is less than or equal to the opening width of the neck 111 so that Second Access Division 1213 can depart from from the opening of the neck 111 so that the upper casing 11 and lower casing 12 are one Side separates, so as to open the casing 10.

It is understood that in some other embodiment, the button 121 can also be arranged at the upper casing 11 On.

The junction of one side wall of the upper casing 11 and a side wall of the lower casing 12 is formed with paper feed port 101, institute The junction of another side wall of upper casing 11 and another side wall of the lower casing 12 is stated formed with exit slot 102.

The casing 10 also includes guide plate 13 and first time guide plate 14 on first, the one of guide plate 13 on described first End is fixedly connected with a side wall of the upper casing 11, and the other end of guide plate 13 is in the horizontal direction to the machine on described first The inside of shell 10 extends.One end of first time guide plate 14 is fixedly connected with a side wall of the lower casing 12, and described first The other end of lower guide plate 14 is in the horizontal direction to extending inside the casing 10.Guide plate 13 and described first on described first Between lower guide plate 14 paper feed port is butted up against formed with the first guiding channel 15, one end of first guiding channel 15 101, and first guiding channel 15 is connected with the paper feed port 101.

The casing 10 also includes guide plate 17 and second time guide plate 18 on second, the one of guide plate 17 on described second End is fixedly connected with another side wall of the upper casing 11, and the other end of guide plate 17 is in the horizontal direction to described on described second The inside of casing 10 extends.One end of second time guide plate 18 is fixedly connected with another side wall of the lower casing 12, described The other end of second time guide plate 18 is in the horizontal direction to extending inside the casing 10.Guide plate 17 and described on described second Formed with the second guiding channel 19 between second time guide plate 18, one end of second guiding channel 19 butt up against it is described go out Paper mouth 102, and second guiding channel 19 is connected with the exit slot 102, second guiding channel 19 it is another End butts up against first guiding channel 15.The guiding channel 19 of first guiding channel 15 and second is collectively forming for be cut Paper feed passage of the cut paper through the casing 10.

The paper-in sensor 20 is installed on guide plate 13 and first time guide plate 14 on described first, and close to described Paper feed port 101, enter the paper of first guiding channel 15 from paper feed port 101 for sensing.

The paper-feed rubber roller 30 includes the first active rubber roll 31, the first driven rubber roll 32, the second active rubber roll 33 and second Driven rubber roll 34.First active rubber roll 31 is installed on guide plate 13 on described first, and one part is positioned at described the In one guiding channel 15；The first driven rubber roll 32 is installed on first time guide plate 14, and one part is located at institute State in the first guiding channel 15.First active rubber roll, the 31 and first driven rubber roll 32 is perpendicular to first guiding channel 15 direction alignment.The paper-in sensor 20 is between first active rubber roll 31 and paper feed port 101.

Second active rubber roll 33 is installed on guide plate 17 on described second, and one part draws positioned at described second In pathway 19；The second driven rubber roll 34 is installed on second time guide plate 18, and one part is positioned at described the In two guiding channels 19.Second active rubber roll, the 33 and second driven rubber roll 34 is perpendicular to second guiding channel 19 Align in direction.

It is described go out paper sensor 40 be installed on guide plate 17 and second time guide plate 18 on described second, and close to described Exit slot 102, for sensing the paper being sent to from the second guiding channel 19 at the exit slot 102.It is described go out paper sensor 40 between the described second driven rubber roll 34 and the exit slot 102.

The cutting knife 50 is arranged in the casing 10, and edge is installed on perpendicular to the direction of first guiding channel 15 The upper casing 11.That is, described cutting knife 50 is installed on the side of the paper feed passage, and the cutting knife 50 is located at described first Between the active rubber roll 33 of active rubber roll 31 and second.The cutting knife 50 can be done along perpendicular to the direction of first guiding channel 15 Straight reciprocating motion.The joint of the guiding channel 19 of first guiding channel 15 and second is with the cutting knife 50 perpendicular to institute State and alignd on the direction of the first guiding channel 15.In the present embodiment, the cutting knife 50 is installed on first guiding channel 15 With the surface of the joint of the second guiding channel 19.The cutting knife 50 can be during straight reciprocating motion be done, described in cut-out First guiding channel 15 connects with the second guiding channel 19.The same side at the both ends of cutting knife 50 is provided with teeth portion 51, institute It is strip to state teeth portion 51, including multiple teeth, the multiple tooth are parallel to each other, along the cutting knife 50 direction of motion arrangement (i.e., The direction of motion of the teeth portion 51 along the cutting knife 50 is set).Guide finger 52, the guide finger are additionally provided with the side 52 are used to guide the cutting knife 50 to do straight reciprocating motion along perpendicular to the direction of first guiding channel 15.The cutting knife 50 blade 53 is V-shaped, the middle part protrusion of the relatively described blade 53 in both ends of the blade 53.Paper is cut in the blade 53 During, always two points at the both ends of only described paper apply shearing force by the blade 53；By pressure, pressure and by The relation of power area understands that the blade 53 is that point contacts with paper, and in the case of pressure identical, its pressure is maximum, so Easily paper can be cut.

Preferably, the blade 53 is blunt edges in the present embodiment, i.e., described blade 53 is not sharp, can not be directly by paper Open cut-out.The benefit so designed is can to avoid, because blade 53 is than sharp, directly cutting off paper, so that it is guaranteed that paper exists By cutting knife 50 extruding when, exactly along paper tangent line be broken.

It is understood that in some other embodiment, the cutting knife 50 is installed on the side of the paper feed passage, and And the cutting knife 50 is between the active rubber roll 33 of the first active rubber roll 31 and second.The cutting knife 50 is articulated with the machine Shell 10, (that is, described cutting knife 50 is relative to the paper feed passage during being rotated relative to the casing 10 for the cutting knife 50 During moving reciprocatingly), the movement locus of the blade 53 is circular arc, and the movement locus leads to through the paper feed Road.That is, the guiding channel 19 of the first guiding channel 15 and second can be cut off during moving reciprocatingly in described cutting knife 50 Connection.

As it can be seen in figures 5 and 6, the transmission component 60 includes installing frame 61, cover plate 62, power transmission shaft 63, the and of first gear 64 Second gear 65.The installing frame 61 is fixedly installed in the upper casing 11, and the cover plate 62 is fixed with the installing frame 61 to be connected Connect.The power transmission shaft 63 is be hinged with the installing frame 61, and the first gear 64 is fixedly connected on the one of the power transmission shaft 63 End, the second gear 65 is fixedly connected on the power transmission shaft 63, and the second gear 65 engages with the teeth portion 51.Institute State and guide groove 621 is provided with cover plate 62, the guide groove 621 is strip, perpendicular to first guiding channel 15.It is described Guide finger 52 is embedded in the guide groove 621, and can be slided in the guide groove 621.When the first gear 64 rotates, The first gear 64 will drive the power transmission shaft 63 and second gear 65 to rotate together.Due to the second gear 65 with it is described Teeth portion 51 engages so that when the second gear 65 rotates, drives the cutting knife 50 to be slided relative to the installing frame 61, together Shi Suoshu guide fingers 52 slide in the guide groove 621.The guide finger 52 can ensure the both ends of the blade 53 with identical Speed along being moved perpendicular to the direction of first guiding channel 15.

The guide finger 52 is equal with the quantity of the guide groove 621, and corresponds.In the present embodiment, it is described Guide finger 52 has two with the guide groove 621, and two guide grooves 621 are parallel to each other.Such a structure can ensure The cutting knife 50 is during moving reciprocatingly, and the both ends of the blade 53 are always with same speed along perpendicular to described the The direction movement of one guiding channel 15.

Preferably, in the present embodiment, the cutting knife 50 is by a driving stepper motor.That is the rotary shaft of stepper motor and institute First gear 64 is stated to be fixedly connected.The paper cutter 100 also includes sensors in place (not shown), the sensors in place installation In on the installing frame 61 or cover plate 62, for sensing the cutting knife 50 after the completion of cut paper, if return to original position.The stepping Motor coordinates the distance that sensors in place can accurately control cutting knife 50 to move.Meanwhile stepper motor also can control the cutting knife 50 movement any distances, and original position is returned to, it can be effectively prevented from the moving process of the cutting knife 50, displacement occur Mistake.If the DC motor Driver cutting knife 50, then the cutting knife 50 can only be driven to move the distance of fixation, and can not flexibly moved Dynamic any distance.

It is understood that in some other embodiment, the transmission component 60 can omit, the paper cutter (100) Also include the power set that the cutting knife 50 can be driven to do straight reciprocating motion.The power set can be cylinder, hydraulic pressure One kind in cylinder and linear electric machine.The power set are installed on the casing 10, and are connected with the cutting knife 50, so as to drive Cutting knife 50 does straight reciprocating motion along perpendicular to the direction of the paper feed passage (15,19).

As shown in FIG. 7 and 8, the Power Component 70 includes：Drive device 71 and gear drive 72.The gear passes Motivation structure 72 is connected with the drive device 71, the first active rubber roll 31 and the second active rubber roll 33 respectively, so that described Drive device 71 can drive the active rubber roll 33 of the first active rubber roll 31 and second to rotate simultaneously.

Specifically, in the present embodiment, the drive device 71 is fixed on the upper casing 11, the gear drive 72, which include the first travelling gear 721, the second travelling gear 722, the 3rd travelling gear 723, the 4th travelling gear the 724, the 5th, passes The rotary shaft of the travelling gear 726 of moving gear 725 and the 6th, first travelling gear 721 and the drive device 71, which is fixed, to be connected Connect, second travelling gear 722 is be hinged with the upper casing 11, and is engaged with first travelling gear 721.Described 3rd Travelling gear 723 is be hinged with the upper casing 11, and is engaged with second travelling gear 722.4th travelling gear 724 It is fixedly connected with first active rubber roll 31, and is engaged with the 3rd travelling gear 723.5th travelling gear 725 It is be hinged with the upper casing 11, and engaged with the 4th travelling gear 724.6th travelling gear 726 and described second Active rubber roll 33 is fixedly connected, and is engaged with the 5th travelling gear 725.It is using the advantages of gear drive：Gear drive Steadily, gearratio is accurate, reliable operation, efficiency high, long lifespan, the power used, speed and size range it is big.

The drive device 71 can be one kind in motor, air motor.

When the paper for being provided with broken line enters in the paper cutter 100 from the paper feed port 101, close to the paper feed port Paper-in sensor 20 at 101 senses the paper, and then drive device 71 drives first active rubber roll 31 and second to lead Dynamic rubber roll 33 starts to rotate, and drives the paper to be moved in first guiding channel 15.Treat that a part for the paper is mobile To the second guiding channel 19, and at the broken line of the paper and lower section of the cutting knife 50 (that is, the first guiding channel 15 and second The joint of guiding channel 19) when, a part for the paper with it is described go out paper sensor 40 it is relative so that it is described go out paper sensor 40 sense the paper.The cutting knife 50 starts to move to close to the direction of the paper, and to applying at the broken line of the paper Extruding force.One end of the paper is clamped by the 31 and first driven rubber roll 32 of the first active rubber roll, the other end quilt of the paper Second active rubber roll 33 and the second driven rubber roll 34 clamp so that paper is in tight state in moving process.When the paper By the cutting knife 50 extruding when, force the paper to deform upon, and now the both ends of paper are clamped and prevent its shape Become.Finally, the further movement of the cutting knife 50 at any time, forces the paper to be broken along its broken line, so as to complete once to cut The process of paper.After the completion for the treatment of a cut paper, the cutting knife 50 moves in opposite direction, until restoring to the original state.

In the utility model embodiment, to increase the 31 and first driven rubber roll 32 of the first active rubber roll to paper Chucking power, and the second active rubber roll 33 and the second driven rubber roll 34 are to the chucking power of paper.The paper cutter 100 also includes Elastomeric element 80, the elastomeric element 80 are arranged in the casing 10, and it includes the first elastomeric element 81 and the second elastic portion Part 82, one end of first elastomeric element 81 support the described first driven rubber roll 32, and the other end supports the lower casing 12；Institute The one end for stating the second elastomeric element 82 supports the described second driven rubber roll 34, and the other end supports the lower casing 12.Described in increase First active rubber roll 31 and the first driven rubber roll 32 are to the chucking power of paper, and the second active rubber roll 33 and the second driven glue It is driven relative to the first active rubber roll 31, first can to prevent that paper from occurring in the casing 10 to the chucking power of paper for roller 34 The slip of the active rubber roll 33 of rubber roll 32 and second and the second driven rubber roll 34.

The elastomeric element 82 of first elastomeric element 81 and second can be the flexible members such as spring or shell fragment.

It is understood that in some other embodiment, gear drive 72 can also be substituted for link transmission machine Structure, the jointed gear unit include：Bent axle, first connecting rod, second connecting rod and third connecting rod, wherein, the drive device 71 Rotary shaft be fixedly connected with the bent axle, and the rotation axis of the bent axle overlaps with the center transmission shaft line.It is described First connecting rod one end is hinged with the bent axle, and one end of the other end and the second connecting rod is hinged, the second connecting rod it is another End is fixedly connected with first active rubber roll 31, and described third connecting rod one end is be hinged with first active rubber roll 31, and Its pin joint deviates the center line of first active rubber roll 31.The other end of the third connecting rod and second active rubber roll 33 is be hinged, and its pin joint deviates the center line of second active rubber roll 33.The advantages of quadric chain is：Bear to carry Lotus is big, easily manufactured, easy to obtain higher precision.

It is understood that in some other embodiment, the gear drive 72 can also be substituted for belt biography Motivation structure, the belt gear include the first drive, the second drive, the 3rd drive and belt.Described first passes Driving wheel is fixedly connected with the rotary shaft of the drive device 71, and the rotation axis of first drive and the rotary shaft Axis overlap.Second drive is fixedly connected with first active rubber roll 31, and the rotation of second drive Shaft axis overlap with the axis of first active rubber roll 31.3rd drive is fixed with second active rubber roll 33 to be connected Connect, and the rotation axis of the 3rd drive overlaps with the axis of second active rubber roll 33.The belt sleeve is located at On first drive, the second drive and the 3rd drive.When the rotary shaft of the drive device 71 rotates, first can be driven Drive rotates, and first drive drives the belt transmission again, and the belt can drive second drive and the Three drive common rotations.The advantages of belt gear is：1st, the transmission in larger distance available for two axis centers；2nd, belt has It is flexible, it can play and relax shock and vibration load, make smooth running, noiseless；3rd, when overload is, belt is beaten on wheel It is sliding, other damage parts can be prevented；4th, simple in construction, plant maintenance is convenient.

The utility model embodiment provides a kind of paper cutter 100, and it is internally provided with two groups of paper-feed rubber rollers, two groups of paper feeds Rubber roll also clamps the both ends of the paper to be cut respectively when transmission is located at the paper to be cut in paper cutter.The paper to be cut is set There is easy-torn line, being arranged at the cutting knife 50 between two groups of paper-feed rubber rollers can be by extruding the paper to be cut so that the paper edge to be cut Easy-torn line is fitly broken, so that it is guaranteed that paper cutter can continuously process neat bill.

In addition, the blade 53 is blunt edges, when the blade 53 extrudes paper to be cut, even if the easy-torn line does not have Alignd with the blade 53, the blade 53 again may be by extruding paper to be cut so that paper to be cut is neat along easy-torn line Ground is broken, so as to reduce the requirement of the paper feed precision of paper cutter 100.

It should be noted that preferably implementation of the present utility model is given in specification of the present utility model and its accompanying drawing Mode, still, the utility model can be realized by many different forms, however it is not limited to the implementation described by this specification Mode, these embodiments are not as the extra limitation to the utility model content, there is provided the purpose of these embodiments is to make Understanding more thorough and comprehensive to disclosure of the present utility model.Also, above-mentioned each technical characteristic continues to be mutually combined, formed The various embodiments not being enumerated above, it is accordingly to be regarded as the scope of the utility model specification record；Further, to this area For those of ordinary skill, it can according to the above description be improved or be converted, and all these modifications and variations should all belong to The protection domain of the appended claims for the utility model.

Claims

A kind of 1. paper cutter (100), it is characterised in that including：

Casing (10), the casing (10) are internally provided with paper feed passage (15,19)；

Paper-feed rubber roller (30), it includes the first active rubber roll (31), the first driven rubber roll (32), the second active rubber roll (33) and Two driven rubber rolls (34), first active rubber roll (31) and the first driven rubber roll (32) are installed in the casing (10), point Not Wei Yu the paper feed passage (15,19) both sides, and first active rubber roll (31) and the first driven rubber roll (32) exist Alignd perpendicular to the direction of the paper feed passage (15,19), second active rubber roll (33) and the second driven rubber roll (34) peace Loaded in the casing (10), respectively positioned at the both sides of the paper feed passage (15,19), and second active rubber roll (33) Alignd with the second driven rubber roll (34) perpendicular to the direction of the paper feed passage (15,19)；

Cutting knife (50), it is installed on the side of the paper feed passage (15,19), and the cutting knife (50) is positioned at the described first master Move between rubber roll (31) and the second active rubber roll (33), the cutting knife (50) can do past relative to the paper feed passage (15,19) Multiple motion.
2. paper cutter (100) as claimed in claim 1, it is characterised in that the casing (10) include upper casing (11) and under Casing (12), the side wall and a side wall of the lower casing (12) of the upper casing (11) snap connection, the upper casing (11) side wall of opposite side and the side walls hinged connection of the opposite side of the lower casing (12)；

The upper casing (11) is provided with neck (111), and the width of neck (111) opening is less than the neck (111) The width of bottom；

The lower casing (12) is provided with button (121), and the button (121) includes the first Access Division (1212) and the second clamping Portion (1213), one end of first Access Division (1212) is fixedly connected with one end of second Access Division (1213), described The diameter of first Access Division (1212) be more than the neck (111) opening width, second Access Division (1213) it is straight Footpath is less than or equal to the width of the neck (111) opening, when the embedded neck (111) of first Access Division (1212) Bottom when, the upper casing (11) and lower casing (12) are fastened togather, and press the button (121) and may be such that described first Stagger with the neck (111) Access Division (1212) so that the upper casing (11) and lower casing (12) separation.
3. paper cutter (100) as claimed in claim 2, it is characterised in that

The junction of one side wall of the upper casing (11) and a side wall of the lower casing (12) formed with paper feed port (101), The junction of the side wall of the opposite side of the upper casing (11) and the side wall of the opposite side of the lower casing (12) is formed with paper delivery Mouth (102)；

The both ends of the paper feed port (101) and exit slot (102) respectively with the paper feed passage (15,19) are docked, and described Paper feed port (101) and exit slot (102) are connected with the paper feed passage (15,19) respectively.
4. paper cutter (100) as claimed in claim 3, it is characterised in that the paper cutter (100) also includes paper-in sensor (20) and paper sensor (40) is gone out, the paper-in sensor (20) is arranged at the side of the paper feed passage (15,19), and close The paper feed port (101), enter the paper of the paper feed passage (15,19) from paper feed port (101) for sensing；

It is described go out paper sensor (40) be arranged at the side of the paper feed passage (15,19), and close to the exit slot (102), The paper at the exit slot (102) place is sent to from paper feed passage (15,19) for sensing.
5. paper cutter (100) as claimed in claim 1, it is characterised in that

The cutting knife (50) is installed on the casing (10) along perpendicular to the direction of the paper feed passage (15,19)；

The cutting knife (50) can do straight reciprocating motion along perpendicular to the direction of the paper feed passage (15,19).
6. the paper cutter (100) as described in any one of claim 1 to 5, it is characterised in that

The cutting knife (50) is provided with blade (53), and the blade (53) is blunt edges.
7. paper cutter (100) as claimed in claim 6, it is characterised in that

The middle part protrusion of the relatively described blade (53) in the both ends of the blade (53).
8. paper cutter (100) as claimed in claim 5, it is characterised in that

The paper cutter (100) also includes transmission component (60), and the transmission component (60) is installed in the casing (10), and And the cutting knife (50) is installed on the transmission component (60), the transmission component (60) is used to driving the cutting knife (50) along hanging down Directly straight reciprocating motion is done in the direction of the paper feed passage (15,19).
9. paper cutter (100) as claimed in claim 8, it is characterised in that

The one side of the cutting knife (50) is provided with teeth portion (51), and the teeth portion (51) is in strip, along the cutting knife (50) The direction of motion is set；

The transmission component (60) includes installing frame (61), cover plate (62), power transmission shaft (63), first gear (64) and second gear (65), the installing frame (61) is fixedly installed in the casing (10), the cover plate (62) and the fixed company of the installing frame (61) Connect, the power transmission shaft (63) is be hinged with the installing frame (61), and the first gear (64) is fixedly connected on the power transmission shaft (63) one end, the second gear (65) are fixedly connected on the power transmission shaft (63), and the second gear (65) and institute State teeth portion (51) engagement.
10. paper cutter (100) as claimed in claim 9, it is characterised in that the one side of the cutting knife (50) sets to also have and led To pin (52),

Guide groove (621) is provided with the cover plate (62), the embedded guide groove (621) of the guide finger (52) is interior, and can Slided in the guide groove (621).
11. paper cutter (100) as claimed in claim 1, it is characterised in that

The paper cutter (100) also includes Power Component (70), and the Power Component includes drive device (71) and gear drive Mechanism (72), the gear drive (72) are led with the drive device (71), the first active rubber roll (31) and second respectively Dynamic rubber roll (33) connection, so that the drive device (71) can drive first active rubber roll (31) and second to lead simultaneously Dynamic rubber roll (33) rotates.
12. paper cutter (100) as claimed in claim 11, it is characterised in that the gear drive (72) includes first Travelling gear (721), the second travelling gear (722), the 3rd travelling gear (723), the 4th travelling gear (724), the 5th transmission Gear (725) and the 6th travelling gear (726)；

First travelling gear (721) is fixedly connected with the rotary shaft of the drive device (71), second travelling gear (722) it is be hinged with the casing (10), and engaged with first travelling gear (721)；3rd travelling gear (723) with The casing (10) is be hinged, and is engaged with second travelling gear (722)；

4th travelling gear (724) is fixedly connected with first active rubber roll (31), and with the 3rd travelling gear (723) engage；

5th travelling gear (725) is be hinged with the casing (10), and is engaged with the 4th travelling gear (724)；

6th travelling gear (726) is fixedly connected with second active rubber roll (33), and with the 5th travelling gear (725) engage.