CN206520020U - A kind of paper cutter - Google Patents

Abstract

The utility model discloses a kind of paper cutter, belong to electronic Paper Cutting Machine equipment technical field, including workbench, frame, paper pressing device and paper cutter, frame is fixedly arranged on workbench, paper pressing device and paper cutter are in frame, the paper pressing device includes the first motor, transmission mechanism and pressing plate, and the first motor drives presser motion to be realized and compresses or unclamp paper by transmission mechanism；The paper cutter includes the second motor, link gear, knife rest and the cutting knife being fixedly arranged on knife rest, and the second motor drives knife rest to drive cutting knife motion to realize cut paper by link gear.The paper cutter that the utility model is provided, paper pressing device is each used as power source with paper cutter using motor, power output is stable, it is well positioned to meet platen work requirements and cutting work demand, and the output power of motor is big, the thickness of each cut paper of cutting knife can be effectively improved, and then is conducive to improving the overall operating efficiency of paper cutter.

Description

A kind of paper cutter

Technical field

The utility model is related to electronic Paper Cutting Machine equipment technical field, more particularly to a kind of paper cutter.

Background technology

Paper cutter is that one kind cuts machinery, using in extensive range, can be used for cutting the materials such as paper, leather, cardboard.Cut Paper owner will be made up of frame, workbench, pulling mechanism of paper, paper-pressing mechanism, paper cutting mechanism etc., during operation, and operating personnel are by paper It is transported to from paper stack on the workbench of paper cutter, paper-pressing mechanism compresses paper, and then, paper cutting mechanism is cut to paper, Realize cut paper purpose.When needing to repeatedly being cut with a batch of paper, it is possible to use pulling mechanism of paper realizes charging Purpose, by setting the advance for pushing away paper time interval and pushing away paper every time of pulling mechanism of paper to be formed, make pulling mechanism of paper pushes away paper action Satisfaction cuts requirement.

The paper-pressing mechanism of existing paper cutter has hydraulic pressure and electronic two ways, wherein, hydraulic way is typically using two oil Cylinder drives the pressure rack to compress paper, consequently facilitating action control and pressure adjustment to paper-pressing mechanism, however, existing use There is following defect in the paper cutter of double hydraulic oil cylinder driving pressure racks：First, pressure rack is easily because the action of left and right oil cylinder is asynchronous and produces Tilt；Secondly, if needing the small dimension paper placement location cut not placed in the middle on cut paper platform, after pressure rack is compressing paper When remaining static, due to the oil cylinder of left and right two driving force when identical, and paper and the contact point of pressure rack deviation pressure rack Side, therefore, pressure rack now occurs to the inclined phenomenon in side, is not only difficult to the compression usually by paper, inclines simultaneously Easily there is stuck phenomenon in oblique pressure rack, so as to hinder it flexibly to lift；Further, since the action speed of oil cylinder is substantially not Become, speed of the pressure rack during whole decline is constant, therefore, not only causes the lifting efficiency of pressure drop low, and under pressure drop The damage of the moment contacted with paper easily caused by the excessive velocities of pressure rack to top layer paper is dropped.

In order to solve the above mentioned problem that paper cutter uses hydraulic oil cylinder driving to exist, some existing paper cutters, which use motor instead, to be used to drive It is dynamic, but existing motor drives paper cutter due to fault of construction, the easy locking of component is damaged, and is unfavorable for maintenance, and needed during maintenance Change whole assembly, the loss caused to client is larger, and paper cutter per task when cut paper thickness it is small, cut paper action is inadequate The edge of paper is not smooth enough after the completion of smoothness, cut paper.

Utility model content

In order to solve shortcoming and defect present in above-mentioned prior art, it is good that the utility model provides a kind of platen effect And the big paper cutter of cut paper thickness.

In order to realize above-mentioned technical purpose, the paper cutter that the utility model is provided, including workbench, frame, paper pressing device And paper cutter, frame is fixedly arranged on workbench, and paper pressing device and paper cutter are in frame, and the paper pressing device includes First motor, transmission mechanism and pressing plate, the first motor drive presser motion to be realized and compress or unclamp paper by transmission mechanism；Institute Stating paper cutter includes the second motor, link gear, knife rest and the cutting knife being fixedly arranged on knife rest, and the second motor passes through link gear Knife rest is driven to drive cutting knife motion to realize cut paper.

It is preferred that, the transmission mechanism includes screw mandrel, drives bar and slide bar, and screw mandrel is controlled by the first motor, and sliding bar is set In in frame, pressing plate is connected to slide bar, drives bar and is located between screw mandrel and slide bar to transmit power, the first motor by screw mandrel, Drive bar and slide bar drives pressing plate to decline compression paper or rises release paper.

It is preferred that, the rocking arm and swing rod for being driven are provided between the slide bar and pressing plate, slide bar level slides the machine of being located at On frame, rocking arm is rotated in frame and top is rotationally connected with slide bar, and the two ends of swing rod are rotationally connected with rocking arm bottom respectively And pressing plate；Declined during the slide bar forward slip by rocking arm and swing rod band dynamic pressure plate and compress paper, led to when slide bar is slided backward Cross rocking arm and rise release paper with swing rod band dynamic pressure plate.

It is preferred that, it is installed with the screwed hole for offering and being matched with screw mandrel on drive block, drive block on the drive bar；Described One motor is provided with the first power output shaft, and transmission mechanism also includes being fixedly arranged on driving wheel on the first power output shaft, located at silk Driven pulley on bar and driving wheel and the transmission belt on driven pulley are sheathed on, screw mandrel rear end fixed cover is provided with drive plate, drive plate Edge open up fluted, trundle is installed with driven pulley, driven pulley is sheathed on the outside of drive plate and trundle is stretched into In groove.

It is preferred that, the paper pressing device also includes precompressed mechanism, and the precompressed mechanism includes drawstring and return unit, and drawstring stretches tight It is straight and be connected to after slide bar, drawstring stress by slide bar band dynamic pressure plate presses paper；The two ends of the return unit are connected to Slide bar is with driving bar.

It is preferred that, described drive is installed with driving column, driving column on the driving groove that length direction level is offered on bar, slide bar Stretch into driving groove；Or, the driving groove of length direction level is offered on the slide bar, drives and is installed with driving column on bar, pass Dynamic post is stretched into driving groove.

It is preferred that, the return unit uses spring, and slide bar front end is installed with preceding pin, drives bar front end and is installed with rear pin, The two ends of spring are sheathed on preceding pin and rear pin respectively.

It is preferred that, second motor is provided with the second power output shaft, and link gear includes coupled wheel and gangbar, linkage Fixed cover is taken turns on the second power output shaft, one end of gangbar is rotationally connected with the eccentric part of coupled wheel, the other end and rotated Knife rest is connected to, the second motor drives knife rest to drive cutting knife motion to realize cut paper by the cooperation of coupled wheel and gangbar.

It is preferred that, the link gear also includes linkage block and connecting pin, and linkage block is fixedly arranged on knife rest, the bottom of linkage block Portion is provided with lug, and lug is provided with through hole；The other end of the gangbar be provided with the open slot that is matched with lug and with through hole pair The connecting hole answered, the other end of gangbar is rotationally connected with linkage block by connecting pin and through hole, the cooperation of connecting hole.

It is preferred that, the paper cutter also includes several connecting rods for being used to being connected to knife rest into frame, and the top of connecting rod turns The dynamic frame, bottom of being connected to is rotationally connected with knife rest, the second motor by link gear drive knife rest when moving each connecting rod it is relative Angle between gantry rotation, and the length direction and horizontal direction of each connecting rod.

After adopting the above technical scheme, the paper cutter that the utility model is provided has the following advantages that：

1st, the paper cutter that the utility model is provided, is improved existing paper cutter, paper pressing device and paper cutter Each using motor as power source, power output is stable, is well positioned to meet platen work requirements and cutting work demand, and The output power of motor is big, can effectively improve the thickness of each cut paper of cutting knife, and then is conducive to improving the overall work of paper cutter Efficiency.In addition, paper pressing device uses motor as power source with paper cutter, it can effectively simplify transmission mechanism and gear Structure, is conducive to making paper pressing device compacter with paper cutter.

2nd, the first motor rises or falls the purpose for realizing platen, driver by screw mandrel, drive bar and slide bar with dynamic pressure plate The compact conformation of structure and transmission effect is good.Because the contact area between screw mandrel and drive bar is big, the transmission between screw mandrel and drive bar Steadily, can so making slide bar, smoothly band dynamic pressure plate rises or falls, and then pressing plate is smoothly compressed paper, it is to avoid pressing plate Paper displacement is driven because speed is unstable when compressing paper, and then ensures platen effect.

3rd, realize that power is transmitted by rocking arm and swing rod between slide bar and pressing plate, band dynamic pressure plate oblique movement, so as to drive Pressing plate, which declines to compress paper or rise, unclamps paper, and simple in construction, each part run action is smooth, and platen can be met well makes With requiring.

4th, fixed drive block with threaded hole on bar is driven, is avoided while reducing and driving bar size between screw mandrel and drive bar Connect and cause interference to driving the connection between bar and slide bar, improve the reasonability of transmission mechanism.

First motor drives screw mandrel to rotate by tape handler, can relax and impact and oscillating load, and operate steadily, Noise is small, is conducive to improving the quality of operating environment, the adverse effect that reduction device operating noise is caused to user.

5th, paper pressing device is additionally provided with precompressed mechanism, for realizing pre-pressing function.When precompressed mechanism carries out precompressed, paper can be emptied Air between, particularly with the relatively smooth paper of quality, can make adjacent sheets be close together, it is to avoid because of paper during cut paper Having air between causes paper is relative to slide influence cut paper effect, effectively reduces the error of cut paper action, it is ensured that cut to obtain paper The dimensional accuracy opened.In addition, in the case where the first motor is damaged or is broken down, can manually be driven by precompressed mechanism Presser motion, so as to realize the purpose for compressing paper.

6th, the cooperation realization transmission by driving groove and driving column between bar and slide bar is driven, both are using the side being flexibly connected Formula, driving can relatively move between bar and slide bar, it is to avoid be realized using driving slide bar to move precompressed mechanism when being fixedly connected with mode The action of precompressed causes interference, it is ensured that precompressed mechanism can smoothly realize that precompressed is acted.Meanwhile, precompressed mechanism is with driving bar, slide bar knot Close, realize that precompressed and compression are acted by a block pressur plate, can effectively simplify the structure of paper pressing device, device is integrally more stepped up Gather.

7th, return unit, which is used, sets preceding pin on spring, slide bar, drive pin after being set on bar, the two ends of spring are arranged respectively In on preceding pin and rear pin.When drawstring band moving slide-bar is moved forward, preceding pin reach, rear pin position is constant, and spring is drawn Rise.Unclamp after drawstring, spring is resetted during restoring to the original state by preceding pin band moving slide-bar.Return unit is simple using the structure of spring It is single, it is easy to assembling, and using effect is good.

8th, the power output shaft of the second motor passes through coupled wheel and the mating band movable knife rack oblique movement of gangbar, knife rest band Dynamic cutting knife oblique movement realizes the purpose of cut paper.Link gear realizes effective power on the basis of overall structure is simplified and passed It is dynamic, and be conducive to increase cutting knife to cut power to paper.

9th, linkage block is fixed on knife rest, gangbar is rotationally connected with linkage block by connecting pin, so as to realize that gangbar turns The dynamic purpose for being connected to knife rest, is so conducive to simplifying the structure of knife rest, while avoiding because gangbar is directly connected in knife rest Cut paper action to cutting knife causes to interfere or impact cut paper width.

10th, knife rest is connected to frame by link rotatable, and when motor drives the knife rest to move by link gear, connecting rod is relative Angle between gantry rotation, and each connecting rod and horizontal direction, so makes cutting knife be tilted relative to horizontal direction, and then The blade of cutting knife is set to be tilted relative to paper.Cutting knife is in incision, and the contact area between blade and paper is small, is conducive to making to cut Knife smoothly cuts paper.Further, since there is angle between blade and paper, cutting knife is oblique to cut paper, is conducive to increase to cut Knife enables cutting knife property cut paper to the active force of paper.

Brief description of the drawings

Fig. 1 is paper cutter isometric front view in the embodiment of the present invention one；

Fig. 2 is paper cutter rear isometric view in the embodiment of the present invention one；

Fig. 3 is the stereogram of paper pressing device in the embodiment of the present invention one；

Fig. 4 is the first motor, screw mandrel and the schematic diagram for driving bar in the embodiment of the present invention one；

Fig. 5 is slide bar, pressing plate, rocking arm, the schematic diagram of swing rod and precompressed mechanism in the embodiment of the present invention one；

Fig. 6 is slide bar, pressing plate, the stereogram of rocking arm and swing rod in the embodiment of the present invention one；

Fig. 7 is the schematic diagram of paper cutter in the embodiment of the present invention one；

Fig. 8 is the explosive view of paper cutter in the embodiment of the present invention one.

In figure, 1- frames, 11- supports, 12- pressure strips, 13- backing plates, the motors of 2- first, 3- pressing plates, 41- screw mandrels, 411- Drive plate, 412- grooves, 42- drives bar, 421- driving grooves, 43- slide bars, 431- driving columns, 432- wire casings, 44- drive blocks, 45- Sold before driving wheel, 46- driven pulleys, 461- trundles, 47- transmission belts, 48- rocking arms, 49- swing rods, 51- drawstrings, 52- springs, 53- Pin after post, 54-, 55- rollers, 56- line sets, the motors of 6- second, the power output shafts of 61- second, 71- knife rests, 72- cutting knifes, 73- Connecting rod, 8- link gears, 81- coupled wheels, 811- centre bores, 812- projections, 82- gangbar, 821- mounting holes, 822- necks, 823- connecting holes, 83- linkage blocks, 831- lugs, 832- through holes, 84- connecting pins, the left pins of 91-, the right pins of 92-.

Embodiment

The utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings.It is to be appreciated that following The indicating position such as " on ", " under ", "left", "right", " longitudinal direction ", " transverse direction ", " interior ", " outer ", " vertical ", " level ", " top ", " bottom " Or the word of position relationship is based only upon orientation shown in the drawings or position relationship, only for the purposes of description the utility model and simplification Description, rather than indicate or imply that signified device/element must have specific orientation or with specific azimuth configuration and behaviour Make, therefore it is not intended that to limitation of the present utility model.

Embodiment one

As shown in Figure 1 and Figure 2, the paper cutter that the utility model embodiment one is provided, including workbench, frame 1, platen dress Put and paper cutter, frame is fixedly arranged on workbench, paper pressing device and paper cutter are in frame.

As shown in Figures 3 to 6, paper pressing device includes the first motor 2, transmission mechanism and pressing plate 3, and the first motor passes through transmission Mechanism drives pressing plate to rise or fall to realize the purpose for compressing paper or unclamping paper.

In the present embodiment, transmission mechanism includes screw mandrel 41, drives bar 42 and slide bar 43, and screw mandrel is controlled by the first motor 2, slide bar Level is slidably mounted in frame 1, and pressing plate 3 is connected to slide bar, drives bar 42 located at dynamic to transmit between screw mandrel 41 and slide bar 43 Power, the first motor 2 drives pressing plate to decline and compresses paper or rising release paper by screw mandrel, drive bar and slide bar, transmission mechanism Compact conformation and transmission effect it is good.

Support 11 is fixed with frame 1, screw mandrel 41 is axially flatly rotatably installed on support.The rear end of bar 42 is driven to be fixed with Axial level and the screwed hole matched with screw mandrel 41 are offered on drive block 44, drive block, screw mandrel passes through the cooperation with screwed hole Realize the transmission of power.Coordinated between screw mandrel and drive block by hole axle, contact area between the two is big, between screw mandrel and drive bar Stable drive, can so making slide bar, smoothly band dynamic pressure plate rises or falls, and then pressing plate is smoothly compressed paper, keeps away Exempt from pressing plate and drive paper displacement because speed is unstable when compressing paper, and then ensure platen effect.

In the present embodiment, the first motor 2 drives screw mandrel 41 to rotate by tape handler.First motor 2 is moved provided with first Power output shaft, transmission mechanism also includes being fixed on driving wheel 45 on the first power output shaft, located at the driven of the rear end of screw mandrel 41 Wheel 46 and the transmission belt 47 being sheathed on driving wheel and driven pulley.The rear end fixed cover of screw mandrel 41 is provided with drive plate 411, drive plate Edge, which is opened up, is fixed with trundle 461 on fluted 412, driven pulley 46, driven pulley is sheathed on the outside of drive plate and transmission Pin is stretched into groove.First motor 2 drives screw mandrel 41 to rotate by tape handler, can relax impact and oscillating load, and Operate steadily, noise it is small, be conducive to improving the quality of operating environment, the unfavorable shadow that is caused to user of reduction device operating noise Ring.

Transmission mechanism is also included located at the Rocker arm 48 and swing rod 49,8 turns of Rocker arm 4 for being used to be driven between slide bar 43 and pressing plate 3 Dynamic to be arranged on frame 1, the top of rocking arm is rotationally connected with slide bar 43, the two ends of swing rod 49 be rotationally connected with respectively rocking arm bottom and Pressing plate 3.

In the present embodiment, Rocker arm 48 is respectively provided with two with swing rod 49, and rocking arm sets triangularity, and an angle of rocking arm is rotated In frame 1, the another two angle of rocking arm is rotationally connected with slide bar 43 and the top of swing rod 49 respectively.

In Fig. 5, when slide bar 43 is slided to the right, Rocker arm 48 is driven to rotate clockwise, rocking arm is driven when rotating by swing rod 49 Pressing plate 3, which declines, compresses paper.When slide bar is slided to the left, Rocker arm 48 is driven to rotate counterclockwise, rocking arm is by swing rod 49 with dynamic pressure plate 3 Rise and unclamp paper.Simple in construction between slide bar and pressing plate, each part run action is smooth, platen can be met well and used It is required that.

In the present embodiment, paper pressing device also includes precompressed mechanism, and precompressed mechanism includes drawstring 51, return unit and pedal, Drawstring is exceptionally straight and one end is connected to the front end of slide bar 43, and the two ends of return unit are connected to drive bar 42 and slide bar 43.Drawstring stress Paper is compressed by slide bar band dynamic pressure plate 3 afterwards, return unit can be used for band moving slide-bar and reset.

Precompressed mechanism is used for the purpose for realizing precompressed paper, when carrying out precompressed, can empty the air between paper, especially right In the relatively smooth paper of quality, adjacent sheets can be made to be close together, it is to avoid to cause during cut paper because there being air between paper Paper is relative to slide influence cut paper effect, effectively reduces the error of cut paper action, it is ensured that cut paper dimensional accuracy.Separately Outside, in the case where the first motor is damaged or is broken down, presser motion can manually be driven by precompressed mechanism, so as to realize Compress the purpose of paper.

Drive and be installed with driving column 431, driving column on the driving groove 421 that length direction level is offered on bar 42, slide bar 43 431 stretch into driving groove 421.Or, the driving groove of length direction level is set on slide bar 43, drives and transmission is fixedly installed on bar Post, driving column is stretched into driving groove.

The cooperation realization transmission by driving groove and driving column between bar and slide bar is driven, both are using the side being flexibly connected Formula, driving can relatively move between bar and slide bar, it is to avoid be realized using driving slide bar to move precompressed mechanism when being fixedly connected with mode The action of precompressed causes interference, it is ensured that precompressed mechanism can smoothly realize that precompressed is acted.Meanwhile, precompressed mechanism is with driving bar, slide bar knot Close, realize that precompressed and compression are acted by a block pressur plate, can effectively simplify the structure of paper pressing device, device is integrally more stepped up Gather.

Specific in the present embodiment, the front end of slide bar 43 is provided with the wire casing 432 for fixed pulling rope 51, and one end of drawstring is fixed In in wire casing.Return unit uses spring 52, and slide bar 43 is fixedly arranged at the front end with preceding pin 53, drives bar 42 and is fixedly arranged at the front end with rear pin 54, The two ends of spring 52 are sheathed on preceding pin 53 and rear pin 54 respectively.

When drawstring 51 is moved forward with moving slide-bar 43, preceding pin 53 moves forward, and the rear position of pin 54 is constant, and spring 52 is drawn Rise.Unclamp after drawstring 51, spring 52 is resetted by preceding pin 53 with moving slide-bar 43.

For the ease of wiring, roller 55 is set, drawstring 51 is exceptionally straight on roller, and drawstring is changed by roller in frame 1 Trend, be conducive to reasonable Arrangement drawstring.The bottom of frame 1 sets line to cover 56, and the other end of drawstring 51 is connected to pin after being covered through line Pedal, line, which covers 56 pairs of drawstrings, has position-limiting action, it is to avoid drawstring departs from frame in motion process, and the installation for improving drawstring is stable Property.User forces in drawstring by pedal moves drawstring, and then realizes the purpose of pre-pressing paper.In addition, pedal It can be substituted using draw ring, be easy to user to force in drawstring 51 by draw ring and move it.

As shown in Figure 7, Figure 8, paper cutter includes the second motor 6, link gear 8, knife rest 71 and is fixedly arranged on knife rest Cutting knife 72, the second motor 6 drives knife rest 71 to drive the motion of cutting knife 72 to realize cut paper by link gear.The output power of motor Greatly, the thickness of each cut paper of cutting knife can be effectively improved, and then is conducive to improving the overall operating efficiency of paper cutter.

Second motor 6 is provided with the second power output shaft 61, and link gear 8 includes coupled wheel 81, gangbar 82, linkage block 83 And connecting pin 84.Provided with the centre bore 811 matched with the second power output shaft 61 at the axle center of coupled wheel 81, coupled wheel is in Heart hole and the cooperation fixed cover of the second power output shaft are located on the second power output shaft.The side of coupled wheel 81 is provided with off-axis Projection 812 at the heart, the bottom of gangbar 82 is provided with the mounting hole 821 match with projection, gangbar bottom by mounting hole and The cooperation of projection is rotationally connected with the eccentric part of coupled wheel.Linkage block 83 is fixed by screws on one end end of knife rest 71, Lug 831 of the bottom of linkage block provided with protrusion, lug is provided with the through hole 832 passed through for connecting pin 84.The top of gangbar 82 End offers the neck 822 matched with lug 831 and the connecting hole 823 matched with connecting pin, and the top of gangbar passes through connection Pin 84 is rotationally connected with linkage block with connecting hole, the cooperation of through hole.

Linkage block 83 is fixed on knife rest 71, gangbar 82 is rotationally connected with linkage block by connecting pin 84, so as to realize connection Lever is rotationally connected with the purpose of knife rest, is so conducive to simplifying the structure of knife rest, while avoiding because gangbar is directly connected to The cut paper action of cutting knife is caused to interfere or impact cut paper width in knife rest.

Paper cutter also includes several connecting rods 73 for being used to being connected to knife rest 71 into frame 1, and the top of connecting rod rotates connection Knife rest is rotationally connected with frame, bottom, each connecting rod 73 is relative when the second motor 6 drives the motion of knife rest 71 by link gear 8 Rotated in frame 1, and the angle between each length of connecting rod direction and horizontal direction.So make cutting knife 72 relative to level side To inclination, and then the blade of cutting knife is set to be tilted relative to paper.Cutting knife is in incision, the contact area between blade and paper It is small, be conducive to making cutting knife smoothly cut paper.Further, since there is angle between blade and paper, cutting knife is oblique to cut paper, Be conducive to increase cutting knife to the active force of paper, enable cutting knife property cut paper.

In the present embodiment, connecting rod 73 is provided with two, and the angle between the blade and horizontal direction of cutting knife 72 is preferably 1 °~ 5°.If less than 1 °, the angle between blade and paper is too small, is unfavorable for cutting knife incision paper.If more than 5 °, cutting knife is relative to paper The angle of inclination opened is larger, and cut paper thickness reduces, and is unfavorable for improving the overall operating efficiency of cutter.

Flexible backing plate 13 is fixed in frame 1 by pressure strip 12, backing plate 13 is located at the lower section of cutting knife 72, is conducive to Cutting knife is set thoroughly to cut off paper.In the present embodiment, pressure strip 12 is elongated, is fixed by screws in frame 1.Backing plate 13 is also In strip, backing plate can be made of rubber.

The side of frame 1 is fixed with the vertical left pin 91 of length direction and right pin 92, and one end of knife rest 71 is embedded in a left side Between pin 91 and frame 1, the other end is embedded between right pin 92 and frame 1.Left and right pin cutter setting frame plays position-limiting action, The cutting knife situation that stress causes knife rest to walk in cut paper is avoided that, the overall stability of paper cutter is improved, and then ensures to cut The effect of paper.

Occurs dry friction during being moved back and forth in order to avoid knife rest 71 between frame 1, frame 1 is contacted with knife rest 71 Position be provided with oil storage tank, drop has lubricating oil in oil storage tank.

In addition, the paper cutter that the present embodiment is provided also includes pulling mechanism of paper and control system, pulling mechanism of paper is installed on work Fed on platform and for promoting paper to be realized to the movement of frame 1, control system is used for the operation for controlling each electric power component.

During work, paper in a pile is positioned on workbench, is required to set pulling mechanism of paper to feed need every time according to cut paper Mobile distance, is provided with rear paper cutter and is operated.Sheet feeding in place after, the first motor 2 is run, the first power output Axle drives screw mandrel 41 to rotate by tape handler, driven when screw mandrel is rotated by cooperation with drive block 44 drive the level of bar 42 to Front slide, by the forward slip of mating band moving slide-bar 43 of driving groove 421 and driving column 431 when driving bar forward slip, slide bar to Rocker arm 48 is driven during front slide to lower swing, rocking arm to being depressured tight paper obliquely by swing rod 49 during lower swing with dynamic pressure plate 3. After system detectio to be controlled is stablized to pressing plate 3 to the thrust of paper, the operation suspension of the first motor 2 is ordered.

Then, the second motor 6 is run, and the second power output shaft 61 passes through coupled wheel 81, gangbar 82 and the band of linkage block 83 Movable knife rack 71 is moved obliquely, and knife rest drives that cutting knife 72 is oblique cuts paper.Second power output shaft 61 of the second motor 6 drives Coupled wheel 61 rotate a circle completion cut paper act and resets, knife rest 71 drive cutting knife 72 reset after, the inverted running of the first motor 2, Drive screw mandrel 41 rotate backward, slided backward when screw mandrel is rotated backward by driving bar 42 with the level of moving slide-bar 43, slide bar level to Afterwards in sliding process drive Rocker arm 48 be swung up, rocking arm to during lower swing by swing rod 49 with dynamic pressure plate 3 it is oblique rise reset, Clamp loose paper.After pulling mechanism of paper pushes paper in place, above-mentioned platen, the action of cut paper are repeated, and so on.

When the quality of paper is relatively smooth or paper between space it is larger when, can by precompressed mechanism to paper carry out Pre-pressing.During pre-pressing, pedal, the horizontal forward slip of 51 forced belt moving slide-bar of drawstring 43, the horizontal forward slip of slide bar are stepped on When tight paper with dynamic pressure plate 3 is depressured by Rocker arm 48 and swing rod 49 obliquely, meanwhile, deformed after the stress of spring 52.Then, first Motor movement, makes pressing plate compress paper by transmission mechanism, unclamps pedal.After the completion of cut paper action, the first motor reversely turns Dynamic, band moving slide-bar is slided backward, and band dynamic pressure plate, which rises, when slide bar is slided backward resets.

When the size that paper needs are cut is larger, in order to improve cut paper precision, it is necessary to carry out multiple-prepressing to paper.This When, pedal is stepped on, the forward slip of 51 forced belt moving slide-bar of drawstring 43 passes through Rocker arm 48, the band of swing rod 49 during slide bar forward slip Dynamic pressure plate 3 declines precompressed paper, meanwhile, the stress deformation of spring 52.Then pedal is unclamped, spring 52 leads to during restoring to the original state Cross preceding pin 53 to slide backward with moving slide-bar 43, risen when slide bar is slided backward by Rocker arm 48, swing rod 49 with dynamic pressure plate 3 and unclamped Paper, transmission mechanism resets.After paper moves forward suitable distance, next precompressed action is carried out, is so repeated several times, it is right Paper carries out multiple-prepressing.

When the situation that the first motor 2 is impaired or breaks down, paper can be manually compressed by precompressed mechanism, is improved whole The versatility of machine.

The paper cutter that the present embodiment is provided, paper pressing device is with paper cutter each using motor as power source, and power is defeated Go out stabilization, be well positioned to meet platen work requirements and cutting work demand, and the output power of motor is big, can effectively improve and cut The thickness of each cut paper of knife, and then be conducive to improving the overall operating efficiency of paper cutter.In addition, paper pressing device is equal with paper cutter It using motor as power source, can effectively simplify transmission mechanism and link gear, be conducive to making paper pressing device and paper cutter more Step up to gather.

Above-mentioned each part forward slip direction finger motion makes the direction that pressing plate declines, the direction finger slided backward Motion makes the direction that pressing plate rises, and accordingly, side, the rear end that the front end of each part refers to towards part forward slip direction refer to court The side in direction is slided backward to part.

In addition to above preferred embodiment, the utility model also has other embodiments, and those skilled in the art can root It is variously modified and deforms according to the utility model, without departing from spirit of the present utility model, the utility model all should be belonged to Scope as defined in the claims.

Claims (10)

1. a kind of paper cutter, including workbench, frame, paper pressing device and paper cutter, frame are fixedly arranged on workbench, platen dress Put and paper cutter be in frame, it is characterised in that the paper pressing device includes the first motor, transmission mechanism and pressing plate, First motor drives presser motion to be realized and compresses or unclamp paper by transmission mechanism；The paper cutter include the second motor, Link gear, knife rest and the cutting knife being fixedly arranged on knife rest, the second motor drive knife rest to drive cutting knife motion real by link gear Existing cut paper.

2. paper cutter according to claim 1, it is characterised in that the transmission mechanism includes screw mandrel, drives bar and slide bar, silk Bar is controlled by the first motor, and sliding bar is in frame, and pressing plate is connected to slide bar, and drive bar is located to be used between screw mandrel and slide bar Power is transmitted, the first motor is driven pressing plate decline compression paper or risen by screw mandrel, drive bar and slide bar unclamps paper.

3. paper cutter according to claim 2, it is characterised in that be provided between the slide bar and pressing plate for shaking for being driven Arm and swing rod, slide bar level are slided in frame, and rocking arm is rotated in frame and top is rotationally connected with slide bar, swing rod Two ends are rotationally connected with rocking arm bottom and pressing plate respectively；Declined during the slide bar forward slip by rocking arm and swing rod band dynamic pressure plate Paper is compressed, is risen when slide bar is slided backward by rocking arm and swing rod band dynamic pressure plate and unclamps paper.

4. paper cutter according to claim 3, it is characterised in that be installed with drive block, drive block and open on the drive bar Provided with the screwed hole matched with screw mandrel；First motor is provided with the first power output shaft, and transmission mechanism also includes being fixedly arranged on the Driving wheel on one power output shaft, the driven pulley on screw mandrel and the transmission belt being sheathed on driving wheel and driven pulley, silk Rod rear end fixed cover is provided with drive plate, and the edge of drive plate opens up fluted, trundle, driven wheel case are installed with driven pulley Stretched into located at the outside of drive plate and trundle in groove.

5. the paper cutter according to claim any one of 2-4, it is characterised in that the paper pressing device also includes preformer Structure, the precompressed mechanism includes drawstring and return unit, and drawstring is exceptionally straight and is connected to slide bar, passes through slide bar band dynamic pressure after drawstring stress Plate compresses paper；The two ends of the return unit are connected to drive bar and slide bar.

6. paper cutter according to claim 5, it is characterised in that the transmission of length direction level is offered on the drive bar Driving column is installed with groove, slide bar, driving column is stretched into driving groove；Or, length direction level is offered on the slide bar Driving groove, drives and is installed with driving column on bar, driving column is stretched into driving groove.

7. paper cutter according to claim 6, it is characterised in that the return unit uses spring, slide bar front end is installed with Preceding pin, drives bar front end and is installed with rear pin, the two ends of spring are sheathed on preceding pin and rear pin respectively.

8. the paper cutter according to claim any one of 1-4, it is characterised in that second motor is defeated provided with the second power Shaft, link gear includes coupled wheel and gangbar, and coupled wheel fixed cover is on the second power output shaft, one end of gangbar It is rotationally connected with the eccentric part of coupled wheel, the other end and is rotationally connected with knife rest, the second motor is matched somebody with somebody by coupled wheel and gangbar Conjunction drives knife rest to drive cutting knife motion to realize cut paper.

9. paper cutter according to claim 8, it is characterised in that the link gear also includes linkage block and connecting pin, Linkage block is fixedly arranged on knife rest, and the bottom of linkage block is provided with lug, and lug is provided with through hole；The other end of the gangbar is provided with The open slot and connecting hole corresponding with through hole matched with lug, the other end of gangbar passes through connecting pin and through hole, connecting hole Cooperation be rotationally connected with linkage block.

10. the paper cutter according to claim any one of 1-4, it is characterised in that the paper cutter also includes several use In the connecting rod that knife rest is connected to frame, the top of connecting rod is rotationally connected with frame, bottom and is rotationally connected with knife rest, the second motor By link gear drive knife rest when moving each connecting rod relative to gantry rotation, and each connecting rod length direction and horizontal direction it Between angle.