CN206663328U

CN206663328U - A kind of office paper cutter

Info

Publication number: CN206663328U
Application number: CN201720067280.7U
Authority: CN
Inventors: 戴志况
Original assignee: Taii Printing Machinery Co Ltd
Current assignee: Taii Printing Machinery Co Ltd
Priority date: 2017-01-18
Filing date: 2017-01-18
Publication date: 2017-11-24
Anticipated expiration: 2027-01-18

Abstract

The utility model discloses a kind of office paper cutter,Including the pedestal with cut paper platform and the paper cutting mechanism above cut paper platform,Cut paper platform is provided with slidable pushing plate,Pushing plate is provided with the push rod perforation and connection perforation of rectangular array distribution,Edge is provided with above pushing plate has the paper platform of lower cutting edge,The lower surface of paper platform, which correspondingly connects, is provided with adapter sleeve at perforation,Cut paper platform is provided with some push rods that may pass through push rod perforation and corresponding with the pushing plate in position of readiness rotates push rod,Paper cutting mechanism includes the gate frame on pedestal,A blade mounting bracket being arranged in gate frame,Former and later two blades being slidably mounted on blade mounting bracket,Pitch control mechanism is provided between former and later two blades,The double-acting hoist cylinder that blade mounting bracket moves up and down can be driven by being provided with gate frame.The utility model can effectively improve the size for cutting paper, form accuracy, and significantly increase and cut efficiency and security.

Description

A kind of office paper cutter

Technical field

A kind of cutting means are the utility model is related to, more particularly, to a kind of miniature paper cutting machine of suitable office.

Background technology

It is the conventional equipment of printing industry in paper cutter, conventional paper cutter generally includes a cut paper platform, is arranged on Hand papercutter above cut paper platform and the actuating unit that hand papercutter can be driven to move up and down.When starting cut paper, operating personnel will The rectangle paper for needing to cut first is placed on cut paper platform, and then starting actuating unit moves down hand papercutter, by the side of paper Edge is cropped neat, and paper then is rotated into 90 degree, is again cropped neat the edge of paper, until four edges are all cut Neatly, so as to obtaining the paper of given size.

For example, disclosed " a kind of paper cutter ", notification number CN204546591U, including cut paper in Chinese patent literature Owner's body, the paper cutter main body include base, a horizontal cut paper platform, the cut paper machine platform are provided with above base Top is provided with paper cutting mechanism, and the paper cutting mechanism is vertical with cut paper platform, and the paper cutting mechanism end is provided with blade, the cut paper Mechanism is connected with each other by electric wire with being arranged on the actuating unit of paper cutter main body side, the actuating unit built-in motor, institute State and controlling switch is provided with actuating unit, described paper cutter also includes air cleaning system, the air cleaning system bag Air inlet and air outlet are included, filter screen is provided between the air inlet and air outlet, the air cleaning unit is by electric wire with moving Power apparatus connects.The air cleaning unit is provided with air inlet and air outlet, and filter screen is provided between air inlet and air outlet, is entered Fan is provided with air port.The paper cutter by fan rotate by paper cutter work caused by paper scrap suck, intercepted with filter screen, then Air is discharged, so as to effectively filter paper scrap.

But there is following defect in existing paper cutter：When having cut a side of paper, it is necessary to operating personnel's hand Work lifts paper, is placed into again on cut paper platform after paper then is rotated into 90 degree, and the edge and cut paper for crossing paper cutting Datum line alignment on platform, so that the paper cut meets defined size requirement.Therefore, paper cuts not only efficiency It is low, and easily produce scale error and lean on, and it is difficult to ensure that 90 degree of the paper corner position cut.

The content of the invention

The purpose of this utility model is big in order to solve scale error present in existing paper cutter, cut efficiency it is low, The problem of in irregular shape, there is provided a kind of office paper cutter, the size for cutting paper, form accuracy can be effectively improved, and Significantly increase and cut efficiency.

To achieve these goals, the utility model uses following technical scheme：

A kind of office paper cutter, including the pedestal with cut paper platform and the paper cutter above cut paper platform Structure, the cut paper platform is provided with can be in the pushing plate that is slided between position and the position of readiness of rear side of cutting of front side, push Plate is provided with the push rod perforation of rectangular array distribution and the connection positioned at pushing plate center is perforated, and is provided with above pushing plate The paper platform of rectangle, four edges of the paper platform are respectively equipped with lower cutting edge, and the lower surface of paper platform is correspondingly connected at perforation Provided with adapter sleeve, with may pass through what push rod was perforated provided with some in the pushing plate corresponding position for cutting position on the cut paper platform Push rod, the quantity of the push rod, distribution mode are corresponding with quantity that push rod is perforated, distribution mode, on the cut paper platform with Pushing plate corresponding position in position of readiness, which is provided with, rotates push rod, and the paper cutting mechanism includes the gate being fixedly connected on pedestal Frame, a blade mounting bracket being arranged in gate frame, former and later two blades being slidably mounted on blade mounting bracket, Pitch control mechanism is provided between former and later two blades, being provided with gate frame can drive what blade mounting bracket moved up and down Double-acting hoist cylinder；

When paper is placed and is covered on paper platform, it is moved to pushing plate and cuts position positioning, then push rod rises, Push rod holds up paper platform through push rod perforation, and then the upper working chamber of hoist cylinder works, so as to drive under two blades Move two sides for cutting paper；

When the lower working chamber of hoist cylinder, which works, moves up blade, push rod, which declines, exits push rod perforation, and pushing plate moves The position of readiness of rear side is moved, pitch control mechanism adjusts the spacing of two blades, rotates push rod rising and is connected with adapter sleeve After jack up paper platform, then rotate push rod rotate, make paper platform rotate 90 degree, then rotate push rod decline is separated with adapter sleeve；

Pushing plate, which again moves into, cuts position positioning, and then push rod rises and holds up paper platform, hoist cylinder driving two Individual blade moves down the another two side for cutting paper.

The utility model is provided with the pushing plate that can be moved forward and backward on cut paper platform, is then set on pushing plate and places paper Paper platform, and paper cutting mechanism sets two parallel blades, now width phase one of the spacing between blade with cutting paper Cause.So, when needing to cut the paper of some specification, the paper platform of dimension can be first placed on pushing plate, then will The paper for needing to cut is placed on paper platform, and then pushing plate is advanced to cutting below blade with paper platform together Position, then blade move down former and later two sides for cutting paper, so as to obtain the width of paper.Then pushing plate is retreated to treating Seat in the plane is put, and at the same time, pitch control mechanism adjusts the spacing of two blades as the equal length of paper, now rotates push rod Rising is connected with the adapter sleeve of paper platform, and paper platform is increased and separated with pushing plate, then rotates push rod and drives paper platform Rotate 90 degree and move down, paper platform is repositioned on pushing plate.Hereafter pushing plate moves forward to again cuts position, under blade Move and complete cutting for yardage.When pushing plate backs to position of readiness again, you can by the paper cut from paper platform On remove.Because the utility model is that once colleague cuts two parallel sides, therefore can residence when cutting paper Raising cuts efficiency, there is the precision that can ensure that paper cutting size.Particularly, position of readiness is arranged with cut paper platform and is cut Position, it is sent into by pushing plate during paper and cuts position, therefore the security of operating personnel can be greatly enhanced, and paper exists Turned to by hand without operating personnel during entirely cutting, it is thus ensured that the shape criteria for cutting paper is consistent.

Preferably, the downside of the blade mounting bracket is provided with two dovetail grooves in left and right, the knife back on the upside of blade is provided with Left and right two is slidably connected at the dovetail slide block in the dovetail groove of corresponding side, and pitch control mechanism includes being arranged on blade installation Drivig cylinder on frame, drivig cylinder inside cavities wall centre position are provided with locating ring, are located in drivig cylinder before and after locating ring Both sides are respectively equipped with piston, and the piston rod that drivig cylinder is stretched out on two pistons is connected with former and later two blades, stretched out respectively The piston rod of drivig cylinder is provided with the stop nut and locking nut that stick together, in place on the dovetail groove of blade mounting bracket In being respectively equipped with slidable limited block in the outer fix of former and later two blades, limited block is provided with trip bolt, fastens spiral shell Tail end of the nail in limited block compresses the bottom surface of dovetail groove, and positioning ring position and front and back end are corresponded among the drivig cylinder Cover and be respectively equipped with hydraulic oil pipe；

During hydraulic oil pipe oil-feed among drivig cylinder, former and later two pistons promote former and later two blades forwards, backwards simultaneously Both sides are mobile and are separated from each other, until the stop collar on former and later two limited blocks is born against, now between former and later two blades Spacing and paper platform equal length；

When the hydraulic oil pipe oil-feed of drivig cylinder front and rear cover, former and later two pistons pull former and later two blade phases simultaneously It is mutually close, until the stop nut on two piston rods bears against the front and rear cover of drivig cylinder, now former and later two blades Between spacing it is equal with the width of paper platform.

When we need to cut the paper of different size, the work of stop nut and locking nut in drivig cylinder can adjust Position on stopper rod, so as to adjust the width dimensions for cutting paper.By adjusting limited block on the dovetail groove of blade mounting bracket Position, you can the movable distance of two blades of adjustment, and then adjust and cut the length dimension of paper.Particularly, one Two back-to-back pistons are set in individual drivig cylinder, so as to simplify structure, and synchronously drive former and later two blades to move. That is the medium line between two blades is constant all the time, therefore, when switching cuts the specification of paper, we only need to change Corresponding paper platform, and the movable stroke of pushing plate can remain constant, to simplify structure and control mode.

Preferably, corresponding in the pedestal rotate the steering cylinder being provided with push rod straight up, rotate under push rod End is plugged on the piston rod upper end of rotational fuel tank, and splicing sleeve is provided with pedestal, rotatable turning set is provided with the splicing sleeve, The top for rotating push rod is plugged in turning set, and the periphery for rotating push rod is provided with the keyway that axially extends, on turning set Provided with the slide key fitted in keyway, the periphery of turning set is provided with circumferentially extending stopper slot, on splicing sleeve Provided with the spacing preiection stretched into stopper slot, screens groove, splicing sleeve are provided with stopper slot opposite side on the periphery of turning set Upper that the turning-bar that can be horizontally rotated is provided with positioned at screens groove side, the rotating shaft of turning-bar passes through transmission mechanism and a steering tiller phase Association, the end sleeve of turning-bar are provided with the telescopic of end-enclosed, the adjustable spring for compressing and turning to boom end are provided with telescopic, The end screens of the telescopic is in screens groove, and spacing preiection is then against one end of stopper slot；

When needing to make paper platform rotate 90 degree, steering cylinder rises rotation push rod and is connected with adapter sleeve, so as to Paper platform is jacked up, then rotates turning-bar by steering tiller, turning set pushes telescopic, until turning-bar face turning set Axis, now turning set drive rotate push rod rotate 45 degree；

When being rotated further steering tiller and rotating turning-bar, telescopic is progressively protruding, until spacing preiection against The other end of stopper slot, now turning set drive rotate push rod and are connected to 90 degree of paper platform rotation for rotating push rod upper end.

Lower end due to rotating push rod is plugged on the piston rod upper end of rotational fuel tank, therefore, rotational fuel tank powered rotatable Push rod moves up and down, at the same rotate push rod can under the driving of turning set reciprocating rotation.Particularly, the stopper slot of turning set can be square Just rotational angle is limited exactly, and telescopic can move axially with respect to turning-bar, therefore can be turning set and be resiliently positioned in Two extreme positions.We can make turning set when positioned at extreme position, in turning-bar and turning-bar rotation by rationally setting Between line between the heart and turning set center of rotation shape in an angle, when angle is zero degree, the decrement of adjustable spring Maximum, turning-bar face turning set center of rotation now and be in unsteady state；When turning set is in two extreme positions When, the decrement of adjustable spring is minimum, and turning-bar now deviates turning set center of rotation and is in stable state, so that support Cardboard can turn over 90 degree exactly.

Preferably, being provided with the blade lock oil cylinder of single-acting in gate frame, the side of one of blade is provided with Locking hole, the piston rod end of blade lock oil cylinder are provided with the locking head fitted in locking hole, the work of blade lock oil cylinder Chamber is connected with the upper working chamber of hoist cylinder by connecting pipeline, is provided with the cylinder body of blade lock oil cylinder and is compressed answering for piston Position stage clip.

When the upper working chamber oil-feed of hoist cylinder is so as to drive blade to move down, connected with the upper working chamber of hoist cylinder Blade lock cylinder action, locking head is set to be separated with the locking hole on blade, now blade can normally move down and cut paper.When When blade is in holding state, the locking head card of piston its piston rod end in the presence of reseting pressuring spring of blade lock oil cylinder Position is in the locking hole of blade, so as to avoid the free-falling of blade, so as to improve security.

Preferably, the connecting pipeline is connected with the outlet line of hydraulic system, connecting pipeline is connected to lifting oil The cylinder side wall of cylinder, the driving oil pipe connected with connecting pipeline, the driving oil pipe are additionally provided with the upper end cover of hoist cylinder Caliber and connecting pipeline the ratio between caliber between 0.2-0.4, when blade is in upper position, the piston envelope of hoist cylinder The stifled connecting pipeline for being connected to cylinder side wall；When the outlet line of hydraulic system passes through upper work of the connecting pipeline to hoist cylinder Chamber input pressure oil makes locking head depart from locking hole so that when driving the blade to move down, pressure oil is introduced into locking oil cylinder, same with this When, driving oil pipe input pressure oil into hoist cylinder, so that the piston of hoist cylinder slowly moves, and make to be connected to side wall On connecting pipeline it is open-minded, now pressure oil by connecting pipeline enter upper working chamber in, blade is quickly moved down completion and cut.

Due to driving the ratio between the caliber of oil pipe and the caliber of connecting pipeline between 0.2-0.4, and connecting pipeline connects In the cylinder side wall of hoist cylinder, therefore, when starting to cut paper, the piston closure of hoist cylinder is connected to cylinder side wall Connecting pipeline, hydraulic oil is first by driving oil pipe to enter from the end of hoist cylinder in cylinder body, and it enters speed oil meeting far Enter speed oil less than blade lock oil cylinder, it is thus ensured that the locking hole quick separating of locking head and blade；Work as hoist cylinder Piston move a small distance after, connecting pipeline connects with the cylinder body of hoist cylinder, and hydraulic oil now can pass through communicating pipe Road is rapidly introduced into hoist cylinder, so as to realize that the quick of blade moves down, completes to cut paper.

Preferably, also including a controlling switch that can start cut paper program, the controlling switch includes being arranged on cutting The control housing of paper platform side, control housing is interior to be provided with horizontally disposed guide plate, and guide plate is provided with T-shaped chute, and T-shaped is slided The control body of rod stretched out outside control housing is slidably provided with groove, the control body of rod is upper in one end rotation connection in T-shaped chute Have control disk, control disk periphery be provided with two diametrically opposed arrangements short gag lever post and two radially Upper long gag lever post positioned opposite, the angle between short gag lever post and long gag lever post is 90 degree, is controlled close on the end face of disk Be respectively equipped with long gag lever post and short gag lever post and stir cylinder, four stir cylinder control disk circumferencial direction on equidistantly Distribution, compartment of terrain is provided with first time block, middle block, second time block along its length for the downside of guide plate, guide plate it is upper Side is provided with the first upper stopper corresponding with first time block, the second upper stopper corresponding with second time block, close on guide plate It is provided with first time block and touches block, the control body of rod in control housing is provided with annular protrusion, in control housing The control body of rod on be also arranged with driving spring, driving spring one end compresses annular protrusion, and the other end compresses control case inside Wall, two long gag lever posts of disk are controlled to bear against on first time block and the first upper stopper, the control body of rod now is determined In the closed position of controlling switch, it is necessary to when cutting paper, the operating procedure of controlling switch is as follows for position：

A. the control body of rod is pulled out, the control body of rod drives T-shaped chute of the control disk along guide plate to slide in and out, and ten The cylinder of stirring for stirring downside in cylinder of font distribution makes control disc counter-clockwise rotate 45 degree against block is touched, now Touch recline two that stir in cylinder downside of square profile of block upper side edge and stir cylinder, so that control disk positioning；

B. the pressing control body of rod, the control body of rod drive T-shaped chute slid inward of the control disk along guide plate, and this is at present The long gag lever post and short gag lever post of side move past on the upside of first time block, and the short gag lever post of upside is from the downside of the first upper stopper Move past, the long gag lever post of upside is made control disc counter-clockwise rotate an angle by the stop of the first upper stopper；

C. the pressing control body of rod is continued, it is inwardly sliding that the control body of rod drives T-shaped chute of the control disk along guide plate to continue Dynamic, now the long gag lever post of downside therefrom moves past on the upside of block and second time block, and the short gag lever post of upside is by second The stop of block and rotate counterclockwise, until the short gag lever post of downside is against second time block, so that controlling the body of rod to be positioned at The open position of controlling switch；

D. when cutting completion, the control body of rod is pulled out, the control body of rod drives T-shaped of the control disk along guide plate to slide Groove slides in and out, and the short gag lever post of downside controls disc counter-clockwise to rotate and simultaneously outwards move past middle block against the middle block of downside And the space between first time block, the first upper stopper, when the cylinder of stirring for stirring downside in cylinder makes against shake-up block When controlling the disc counter-clockwise to rotate, touch recline two that stir in cylinder downside of square profile of block upper side edge and stir circle Post, so that control disk positioning；

E. the pressing control body of rod, the control body of rod drive T-shaped chute slid inward of the control disk along guide plate, now on The long gag lever post of side is made control disc counter-clockwise rotate 45 degree by the stop of the first upper stopper, the long gag lever post of downside against On first time block, control-rod body is repositioned at the closed position of controlling switch.

In the prior art, controlling switch is typically to be opened using pressing, so, is easily occurred because body etc. surprisingly touches Touch controlling switch and cause moving down for blade to cut, so as to which operating personnel are formed with larger danger.It is different with prior art , controlling switch of the present utility model realizes the mode of opening that first drawing presses again, control body of rod tool by special structure There are a closed position and an open position.When needing to cut paper, it would be desirable to first outside drawing control-rod body, then Pressing inward against the control body of rod, just the control body of rod can made to be transformed into open position from closed position, so as to be effectively prevented from because False touch touch or maloperation caused by security incident, be greatly enhanced security.

Therefore, the utility model has the advantages that：The size for cutting paper, form accuracy can be effectively improved, And significantly increase and cut efficiency and security.

Brief description of the drawings

Fig. 1 is a kind of structural representation of the present utility model.

Fig. 2 is structural representation of the utility model when the push rod on cut paper platform moves up.

Fig. 3 is the mounting structure schematic diagram of blade mounting bracket and blade.

Fig. 4 is the decomposition texture schematic diagram of paper platform and pushing plate.

Fig. 5 is the structural representation of drivig cylinder.

Fig. 6 is the structural representation for rotating push rod.

Fig. 7 is the top view for rotating push rod.

Fig. 8 is the structural representation of blade lock oil cylinder.

Fig. 9 is the structural representation of one-way throttle valve.

Figure 10 is controlling switch structural representation in the closed position.

Figure 11 be the outside drawing control-rod body of controlling switch in the closed position in place when structural representation.

Controlling switch structural representation when Figure 12 is the pressing control body of rod.

Figure 13 is controlling switch structural representation in an open position.

Structural representation when Figure 14 is controlling switch in an open position outside drawing control-rod body.

Figure 15 is the outside drawing control-rod body of controlling switch in an open position to structural representation during centre position.

Figure 16 be the outside drawing control-rod body of controlling switch in an open position in place when structural representation.

In figure：1st, pedestal 11, cut paper platform 111, shredded paper collect hole 12, paper cutting mechanism 13, gate frame 14, liter Oil cylinder 15, push rod 2, blade mounting bracket 21, blade 211, locking hole 22, drivig cylinder 221, locating ring 23, spacing drops Nut 24, locking nut 25, limited block 26, clamp nut 3, pushing plate 31, push rod perforation 32, connection perforation 33, support Cardboard 331, lower cutting edge 332, adapter sleeve 333, shop bolt 34, positioning hole 35, shredded paper via 4, rotate push rod 41, Steering cylinder 42, splicing sleeve 421, spacing preiection 43, turning set 431, slide key 432, stopper slot 433, screens groove 44th, keyway 45, turning-bar 46, steering tiller 47, telescopic 48, adjustable spring 5, blade lock oil cylinder 51, locking head 54th, one-way throttle valve 541, valve body 542, valve pocket 543, cut-off groove 544, spherical valve core 545, stage clip 6, controlling switch 61st, housing 62, guide plate 621, T-shaped chute 622, first time block 623, second time block 624, middle block are controlled 625th, the first upper stopper 626, the second upper stopper 63, the control body of rod 64, control disk 641, short gag lever post 642, length are spacing Bar 643, stir cylinder 65, touch block.

Embodiment

The utility model is further described with embodiment below in conjunction with the accompanying drawings.

As shown in Figure 1 and Figure 2, a kind of office paper cutter, including the pedestal 1 with horizontal cut paper platform 11 and position Paper cutting mechanism 12 above cut paper platform, paper cutting mechanism include the gate frame 13 being fixedly connected on pedestal, gate frame Support beam including the left and right sides and the crossbeam being connected between the support beam of left and right, the knife of one or so arrangement is set in crossbeam Piece mounting bracket.As shown in figure 3, former and later two blades 21 extended in left-right direction are slidably set on blade mounting bracket 2, and And the cutting edge of two blades is parallel to each other.When blade mounting bracket, which drives two blades to move down, cuts paper, you can on paper Cut out two sides being parallel to each other.Specifically, we can set left and right two along front and back in the downside of blade mounting bracket To the dovetail groove of extension, two dovetail slide blocks in left and right are set on the knife back on the upside of blade, the dovetail slide block of left and right two is slided respectively It is dynamic to be connected in the dovetail groove that side is corresponded on blade mounting bracket.

In addition, between former and later two blades also need set one can control former and later two blades synchronously towards or away from Mobile pitch control mechanism, to control the spacing between two blades, so as to cut out the paper of requirement up to specification, and And the middle line position of the paper cut is constant, while setting can drive what blade mounting bracket moved up and down in gate frame Double-acting hoist cylinder 14.Need to set the slide rail extended along the longitudinal direction at left and right sides of cut paper platform, a rectangle pushes away The left and right sides of plate 3 is sent to be slidably connected on the slide rail of the left and right sides, so that horizontal pushing plate can cut position in front side Put and slided between the position of readiness of rear side.Certainly, we can be set by solenoid actuated between pushing plate and cut paper platform A kind of location structure of lock pin, in order to which pushing plate can be reliably positioned at the standby position for cutting position and rear side of front side Put.And pushing plate can drive it to move forward and backward by cylinder, oil cylinder or other drive mechanisms.

In addition, as shown in figure 4, also need to set the push rod perforation 31 of rectangular array distribution and positioned at pushing plate on pushing plate The connection perforation 32 in centre position, the paper platform 33 of rectangle is set above pushing plate, four edges of paper platform are respectively equipped with down Cutting edge 331, the lower surface of paper platform are correspondingly connected and adapter sleeve 332 are set at perforation, and position is cut with being on cut paper platform Pushing plate corresponding position sets some push rods 15 that may pass upwardly through push rod perforation, and quantity, distribution mode and the push rod of push rod are perforated Quantity, distribution mode it is corresponding, on cut paper platform with position of readiness pushing plate corresponding position set can oscilaltion simultaneously And rotate 90 degree of rotation push rod.

When we need to cut paper, first the paper for needing to cut is placed and covered positioned at standby by operating personnel On the paper platform of position, then moved forward to by the drive mechanisms such as cylinder, oil cylinder driving pushing plate and cut position positioning；Then Push rod rises, and paper platform is held up through push rod perforation and support paper platform by push rod, and now the upper working chamber of hoist cylinder rises Effect, former and later two sides of paper are cut so as to drive two blades to move down, you can the paper for obtaining meeting given size is wide Degree.When the lower working chamber of hoist cylinder, which works, moves up blade, push rod decline is exited push rod perforation and separated with paper platform, pushes away Plate is sent to be movable to the position of readiness of rear side, at the same time, pitch control mechanism adjusts the spacing of two blades, makes two knives The equal length of spacing and paper between piece；Then rotate after push rod rising is connected with adapter sleeve and jack up paper platform, then Rotate push rod to rotate, paper platform is rotated 90 degree, then rotation push rod declines is separated with adapter sleeve, and paper platform is then repositioned at On pushing plate.Pushing plate, which again moves into, cuts position positioning, and then push rod rises and holds up paper platform, hoist cylinder driving two Individual blade moves down the another two side for cutting paper, so as to obtain the yardage for meeting given size.When pushing plate moves again When moving the position of readiness of rear side, operating personnel can remove the paper cut from paper platform.It should be noted that this reality Applying the direction in example is defined with the moving direction of cut paper platform and pushing plate, i.e., after being when pushing plate is in position of readiness Side, it is front side that pushing plate, which is in when cutting position, and correspondingly definition left side and right side.In addition, we can be under paper platform Surface sets the shop bolt 333 of four tapers, and four shop bolts are equidistantly divided in a ring centered on the axis of adapter sleeve Cloth, and four positioning holes 34 corresponding with shop bolt correspondingly are set in the upper surface of pushing plate.So, when paper platform turns over When declining after 90 degree, four alignment pins can be repositioned in positioning hole, avoid production stock between paper platform and pushing plate relative sliding Move.In addition, we can also cover a flexible rubber magnet iron plate on the paper being placed on paper platform, by ferro-gum Suction between piece and paper platform, paper to be cut can be reliably pressed on paper platform, avoid moving forward and backward in pushing plate When there is the phenomenon that paper walks, it is ensured that the accuracy of paper cutting.Certainly, pushing plate can use can not be by the aluminium alloy of magnetic Or stainless steel is made.

As shown in Fig. 3, Fig. 5, pitch control mechanism of the present utility model includes being arranged on interposition on the downside of blade mounting bracket The drivig cylinder 22 put, the axis of drivig cylinder arrange that the inside cavities wall centre position of drivig cylinder is set along the longitudinal direction Locating ring 221, one piston, the piston wherein on front side of locating ring are set respectively positioned at locating ring front and rear sides in drivig cylinder On piston rod forward extend out drivig cylinder after be connected with blade above, the piston rod on piston on rear side of locating ring is backward It is connected after stretching out drivig cylinder with blade below, among drivig cylinder on corresponding positioning ring position and front and rear cover respectively Hydraulic oil pipe is set.So, during hydraulic oil pipe oil-feed among drivig cylinder, former and later two pistons promote former and later two simultaneously Both sides are mobile and increase the spacing between blade forwards, backwards for blade, and now what blade was cut makes the length dimension of paper；When During hydraulic oil pipe oil-feed on front and rear cover, two pistons are mobile to centre position respectively and mutually draw close, now two blades Between spacing reduce, what it cut is the width dimensions of paper.

In order to accurately adjust and limit the spacing between blade, we can set patch on the piston rod for stretching out drivig cylinder The stop nut 23 and locking nut 24 being close together, and positioned at the front side of blade above on the dovetail groove of blade mounting bracket And the limited block 25 that can be slided in dovetail groove is set respectively in the rearward position of blade below, limited block is provided with Trip bolt 26, the tail end that trip bolt is located in limited block compress the bottom surface of dovetail groove.When we need to adjust the sanction of paper When cutting size, the locking nut on front and rear piston rod can be first unclamped, then adjusts the position of stop nut on the piston rod respectively, Tighten locking nut again, locking nut is held snugly against with stop nut together with and realize self-locking, then unclamp fastening spiral shell Nail, and mobile limited block, position limited block in locking trip bolt.During the hydraulic oil pipe difference oil-feed that current back end covers, Two pistons are mobile to centre position respectively and mutually draw close, and now the stop nut on piston rod reclines end cap and positioned, from And the width dimensions for cutting paper can be limited；During hydraulic oil pipe oil-feed among drivig cylinder, former and later two pistons push away simultaneously Moving former and later two blades, both sides are moved forwards, backwards, and now two blades bear against front and rear limited block, cut a sheet of paper what is opened so as to limit Length dimension.

It should be noted that the tray paper board size in the utility model is adapted with the paper size size for needing to cut , that is to say, that when we need adjustment to cut the specification of paper, it is necessary to first change corresponding paper platform, then adjust again The position of stop nut and limited block.And the adapter sleeve surveyed of practicing of paper platform needs to be arranged on the center of paper platform, from And it can ensure that the center of paper platform and be always positioned at the centre position of front and rear blade.In addition, before we can be set on cut paper platform The shredded paper of latter two rectangle collects hole 111, and when pushing plate, which is located at, cuts position, two shredded papers collect holes and are located at pushing plate respectively Front and rear sides, following shredded paper can be fallen into when blade has cut the paper on paper platform, to cut the trimming got off and received Collect in hole.Certainly, it would be desirable to shredded paper via 35 is set on pushing plate, passes through shredded paper via in order to cut the shredded paper to get off Shredded paper is fallen into collect in hole.

In order to realize the lifting of rotation push rod and determine angular turn, as shown in Figure 6, Figure 7, we corresponding in pedestal can turn Steering cylinder 41 straight up is set at dynamic push rod 4, and the lower end for rotating push rod is rotationally plugged on the piston of rotational fuel tank Bar upper end, splicing sleeve 42 is set in pedestal, rotatable turning set 43 is set in splicing sleeve, the top for rotating push rod is plugged on and turned In dynamic set, supported so that rotating push rod.In addition, rotate needs to set the keyway axially extended on the periphery of push rod 44, the slide key 431 fitted in keyway is set on turning set, so that rotating the cunning that axial direction is formed between push rod and turning set Dynamic connection.Circumferentially extending stopper slot 432 is set on the periphery of turning set, sets and is stretched into stopper slot on splicing sleeve Spacing preiection 421, so as to which turning set is limited into 90 degree with respect to the rotational angle of splicing sleeve.In addition, the circumference of turning set One screens groove 433 of setting is also needed on face with stopper slot opposite side, and can be horizontal positioned at the setting of screens groove side on splicing sleeve The turning-bar 45 of rotation, the rotating shaft of turning-bar is associated with a steering tiller 46 by transmission mechanism, and the end of turning-bar is arranged There is the telescopic 47 of end-enclosed, the adjustable spring 48 for compressing and turning to boom end is set in telescopic, to make telescopic can phase Elastic telescopic is done to turning-bar, the end screens of telescopic, so as to promote turning set to rotate, supports spacing preiection in screens groove By one end of stopper slot, shape between turning-bar now and the line between turning-bar center of rotation and turning set center of rotation In an angle, and turning set is then positioned at an extreme position.

When needing to make paper platform rotate 90 degree, steering cylinder action rises rotation push rod and is connected with adapter sleeve, So as to jack up paper platform, steering tiller is then rotated, steering tiller rotates turning-bar by transmission mechanism, correspondingly, rotates Set rotates simultaneously, the turning-bar progressively line between turning-bar center of rotation and turning set center of rotation, rotation now Set pushes telescopic, until the axis of turning-bar face turning set, now turning set drive rotates push rod and just rotates 45 degree；When When being rotated further steering tiller rotates turning-bar, telescopic is progressively protruding, until spacing preiection is against the another of stopper slot One end, now turning set drive rotate push rod and are connected to 90 degree of paper platform rotation for rotating push rod upper end.Turn next to oil Cylinder drives rotation push rod to decline and separated with the adapter sleeve of paper platform, and paper platform then declines and is repositioned on pushing plate.Need Illustrating, rotation push rod is connected one end with adapter sleeve and can be set to positive tetragonous cone table shape, so as to both facilitate insertion into adapter sleeve, It can avoid rotating again and be produced relative rotation between push rod and adapter sleeve.In addition, when the adapter sleeve for rotating push rod decline and paper platform During separation, it would be desirable to oppositely rotate steering tiller, rotate that push rod is counter turn 90 degrees reset so as to drive, in order to rotate again Paper platform.

In order to improve security, as shown in figure 8, we can also set a blade lock oil cylinder 5 in gate frame, and The side of a blade sets locking hole 211 wherein, and the piston rod end of locking oil cylinder sets the lock fitted in locking hole Only first 51, so as to locking blade.In addition, blade lock oil cylinder is one-way cylinder, the side in its cylinder body is working chamber, another Side is inoperative chamber, and working chamber is connected with the upper working chamber of hoist cylinder by connecting pipeline, the non-work of blade lock oil cylinder Make intracavitary and the reseting pressuring spring for compressing piston is set.When blade moves up and is in holding state, the in-oil cylinder reset of blade lock Stage clip promote piston action, its piston rod is protruding, the locking head screens of piston rod end in the locking hole of blade, so as to The free-falling of blade can be avoided.When starting to cut paper, the upper working chamber oil-feed of hoist cylinder to drive blade to move down, with This simultaneously, the blade lock cylinder action that working chamber connects with the upper working chamber of hoist cylinder, its piston rod retraction so that lock Only head separates with the locking hole on blade, and now blade can normally move down and cut paper.When cutting completion, hoist cylinder Lower working chamber oil-feed, because the load of now hoist cylinder is minimum, therefore blade rapid increase can be made, now hoist cylinder is upper Working chamber forms a higher back pressure, thus the blade lock oil cylinder that is connected with the upper working chamber of hoist cylinder of working chamber Piston will not move when starting, and at the end of the hydraulic oil backflow in upper working chamber is basic, its back pressure progressively declines, now knife The piston of piece locking oil cylinder can slowly move back in the presence of reseting pressuring spring, make the nose heave new screens of locking in the locking hole of blade It is interior, so as to can ensure that blade resets prior to locking head.

Certainly, we can set an one-way throttle valve on the fluid pressure line connected with upper working chamber, as shown in figure 9, One-way throttle valve 54 includes a valve body 541, and a conical valve pocket 542, the conical inside wall of valve pocket are provided with valve body Upper to set some in the equally distributed cut-off groove 543 of circumferencial direction, it is fuel-displaced that the both ends of valve body are respectively equipped with entering of being connected with valve pocket Mouthful, a spherical valve core 544 and a stage clip 545 are then set in valve pocket, the stage clip compresses valve element, so that valve element and valve pocket Conical side wall is bonded.When blade, which needs to move down, cuts paper, hydraulic oil enters the upper of hoist cylinder by one-way throttle valve In working chamber, hydraulic oil now promotes valve element to overcome the elastic force of stage clip and separated with the conical inside wall of valve pocket, therefore, single Opening state is in choke valve, hydraulic oil can enter to big flow in upper working chamber, blade is quickly moved down and cut paper.Two When keeping off blade needs to rise reset, the hydraulic oil in upper working chamber is flowed back by one-way throttle valve, and valve element now is in stage clip Effect is lower to be bonded with the conical side wall of valve pocket, and therefore, hydraulic oil can only pass through the cut-off groove on the conical inside wall of valve pocket Backflow, thus can easily control its back-flow velocity, it is ensured that upper working chamber can have enough back pressures.

In addition, in order to ensure when blade moves down locking head separated with the locking hole of blade, connection blade lock oil cylinder Working chamber is connected with the connecting pipeline of upper working chamber of hoist cylinder with the outlet line of hydraulic system, and connecting pipeline is connected to The cylinder side wall of hoist cylinder, while the driving oil pipe connected with connecting pipeline is set on the upper end cover of hoist cylinder, and The ratio between the caliber of oil pipe and the caliber of connecting pipeline are driven between 0.2-0.4.So, when blade is in the holding state on top When, the piston closure of hoist cylinder is connected to the connecting pipeline of cylinder side wall, and hydraulic oil now can not be entered by connecting pipeline Enter in upper working chamber；When hydraulic system outlet line by upper working chamber input pressure oil from connecting pipeline to hoist cylinder with When driving blade moves down, pressure oil is introduced into locking oil cylinder, locking head is rapidly separated locking hole, at the same time, drives oil pipe Into hoist cylinder, input pressure oil, so that the piston of hoist cylinder slowly moves, and makes to be connected to the communicating pipe in side wall Road is open-minded, and now pressure oil is entered in upper working chamber by connecting pipeline, blade is quickly moved down completion and is cut.That is, Driving oil pipe plays a leading role, and it is used to open the connecting pipeline connected with upper working chamber, and makes hoist cylinder Action lags behind the action of blade lock oil cylinder.

Further, office paper cutter of the present utility model also includes a controlling switch 6 that can start cut paper program, Certainly, it would be desirable to one can each mechanism action of logic control paper cutter logic controller.Controlling switch includes being arranged on cutting The control housing 61 of paper platform side, as shown in Figure 10, horizontally disposed guide plate 62 is set in control housing, set on guide plate T-shaped chute 621 is put, the control body of rod 63 stretched out outside control housing is slidably set in T-shaped chute, controls the body of rod upper in T-shaped One end in chute is rotatably connected to a control disk 64, controls two diametrically opposed cloth of setting on the periphery of disk The long gag lever post 642 of the short gag lever post 641 put and two diametrically opposed arrangements, institute between short gag lever post and long gag lever post Corresponding central angle is 90 degree.Control to set respectively at long gag lever post and short gag lever post on the end face of disk and stir cylinder 643, four are stirred cylinder equidistantly distributed on the circumferencial direction of control disk, and the downside of guide plate is from outside to inside along length side To first time block 622, middle block 624, second time block 623 is positioned apart from, the upside of guide plate is provided with and the first lower block First upper stopper 625, the second upper stopper 626 corresponding with second time block corresponding to block, close to first time block on guide plate Place, which is set, touches block 65.Two long gag lever posts of control disk are born against on first time block and the first upper stopper, now The control body of rod be positioned at the closed position of controlling switch.It should be noted that we will control the body of rod to stretch out control housing one Side is referred to as outside, and side is referred to as inner side in control housing.In addition, first time block, middle block, second time block, first Upper stopper, the second upper stopper, the size of long gag lever post and short gag lever post should be in this way, so that when we need to cut paper When, controlling switch can operate in accordance with the following steps：

A. as shown in figure 11, the control body of rod is first pulled out, the control body of rod drives T-shaped of the control disk along guide plate to slide Groove slides in and out, and the cylinder of stirring for stirring downside in cylinder of crossing distribution turns control disc counter-clockwise against block is touched Dynamic 45 degree, recline two stirred on the downside of in cylinder of square profile of shake-up block upper side edge now stir cylinder, so that Control disk positioning；

B. and then pressing controls the body of rod, and as shown in figure 12, the control body of rod drives T-shaped chute of the control disk along guide plate Slid inward, now the long gag lever post and short gag lever post of downside moved past on the upside of first time block, the short gag lever post of upside from Moved past on the downside of first upper stopper, the long gag lever post of upside rotates control disc counter-clockwise by the stop of the first upper stopper One angle；

C. the pressing control body of rod is continued, as shown in figure 13, the control body of rod drives T-shaped chute of the control disk along guide plate Continue slid inward, now the long gag lever post of downside therefrom moves past on the upside of block and second time block, the short gag lever post of upside Rotated counterclockwise by the stop of the second upper stopper, until the short gag lever post of downside is against second time block, so that controlling The body of rod is positioned at the open position of controlling switch；

D. when cutting completion, the control body of rod is pulled out, as shown in Figure 14, Figure 15, Figure 16, the control body of rod drives control T-shaped chute of the rounding disk along guide plate slides in and out, and the short gag lever post of downside controls disc counter-clockwise against the middle block of downside Rotate and outwards move past the space between middle block and first time block, the first upper stopper, when group for stirring downside in cylinder For dynamic cylinder against block is touched when rotating control disc counter-clockwise, that touches that block upper side edge reclines square profile stirs cylinder Two of middle downside stir cylinder, so that control disk positioning；

E. the pressing control body of rod, the control body of rod drive T-shaped chute slid inward of the control disk along guide plate, now on The long gag lever post of side is made control disc counter-clockwise rotate 45 degree by the stop of the first upper stopper, the long gag lever post of downside against On first time block, control-rod body is repositioned at the closed position of controlling switch as shown in Figure 10.

Unlike prior art, the controlling switch elder generation of the present utility model drawing control body of rod presses the control body of rod just again Cut paper program can be started, so as to be effectively prevented from because false touch is touched or maloperation caused by security incident.Certainly, controlling switch is also Corresponding electrical connector etc. need to be set, because the structure of circuit part belongs to conventional prior art, do not do excessive retouch herein State.In addition, we can set a pressure cap in the outer end of the control body of rod, so as to be advantageous to drawing or the pressing control body of rod, and And annular protrusion is set on the control body of rod in control housing, one is arranged again on the control body of rod in control housing Individual driving spring, driving spring one end compress annular protrusion, and the other end compresses control case inside wall, so that control-rod physical efficiency It is reliably positioned at closed position and open position.

Claims

1. a kind of office paper cutter, including the pedestal with cut paper platform and the paper cutting mechanism above cut paper platform, It is characterized in that be provided with can be in the push slided between position and the position of readiness of rear side of cutting of front side for the cut paper platform Plate, pushing plate is provided with the push rod perforation of rectangular array distribution and the connection positioned at pushing plate center is perforated, pushing plate The paper platform of rectangle is provided with above, and four edges of the paper platform are respectively equipped with lower cutting edge, and the lower surface of paper platform correspondingly connects Connect and adapter sleeve is provided with perforation, with may pass through top provided with some in the pushing plate corresponding position for cutting position on the cut paper platform The push rod of bar perforation, the quantity of the push rod, distribution mode are corresponding with quantity that push rod is perforated, distribution mode, the cut paper It is provided with platform with the pushing plate corresponding position in position of readiness and rotates push rod, the paper cutting mechanism includes being fixedly connected on pedestal On gate frame, be arranged in gate frame a blade mounting bracket, be slidably mounted on it is front and rear on blade mounting bracket Two blades, pitch control mechanism is provided between former and later two blades, blade mounting bracket can be driven by being provided with gate frame The double-acting hoist cylinder moved up and down；

When paper is placed and is covered on paper platform, it is moved to pushing plate and cuts position positioning, then push rod rises, push rod Perforated through push rod and hold up paper platform, then the upper working chamber of hoist cylinder works, so as to drive two blades to move down sanction Two sides of cut paper；

When the lower working chamber of hoist cylinder, which works, moves up blade, push rod, which declines, exits push rod perforation, and pushing plate is moved to The position of readiness of rear side, pitch control mechanism adjust the spacing of two blades, rotate after push rod rising is connected with adapter sleeve and push up Paper platform is played, push rod is then rotated and rotates, paper platform is rotated 90 degree, then rotation push rod declines separates with adapter sleeve；

Pushing plate, which again moves into, cuts position positioning, and then push rod rises and holds up paper platform, and hoist cylinder drives two knives Piece moves down the another two side for cutting paper.

2. one kind office paper cutter according to claim 1, it is characterized in that, the downside of the blade mounting bracket is provided with a left side Right two dovetail grooves, the knife back on the upside of blade are provided with the dovetails that left and right two is slidably connected in the dovetail groove of corresponding side and slided Block, pitch control mechanism include the drivig cylinder being arranged on blade mounting bracket, and drivig cylinder inside cavities wall interposition installs There are locating ring, the interior work for being respectively equipped with piston positioned at locating ring front and rear sides, drivig cylinder being stretched out on two pistons of drivig cylinder Stopper rod is connected with former and later two blades respectively, stretch out drivig cylinder piston rod be provided with the stop nut that sticks together and Locking nut, it is respectively equipped with the outer fix positioned at former and later two blades on the dovetail groove of blade mounting bracket slidable Limited block, limited block are provided with trip bolt, and the tail end that trip bolt is located in limited block compresses the bottom surface of dovetail groove, the drive Among dynamic cylinder body hydraulic oil pipe is respectively equipped with corresponding positioning ring position and front and rear cover；

During hydraulic oil pipe oil-feed among drivig cylinder, former and later two pistons promote former and later two blades both sides forwards, backwards simultaneously It is mobile and be separated from each other, until bear against the stop collar on former and later two limited blocks, now between former and later two blades between Away from the equal length with paper platform；

When the hydraulic oil pipe oil-feed of drivig cylinder front and rear cover, former and later two pistons pull former and later two blades mutually to lean on simultaneously Closely, until the stop nut on two piston rods bears against the front and rear cover of drivig cylinder, now between former and later two blades Spacing it is equal with the width of paper platform.

3. one kind office paper cutter according to claim 1, it is characterized in that, corresponding rotate sets at push rod in the pedestal There is steering cylinder straight up, the lower end for rotating push rod is plugged on the piston rod upper end of rotational fuel tank, and supporting is provided with pedestal Set, the splicing sleeve is interior to be provided with rotatable turning set, and the top for rotating push rod is plugged in turning set, rotates the circumference of push rod Face is provided with the keyway axially extended, and turning set is provided with the slide key fitted in keyway, set on the periphery of turning set There is a circumferentially extending stopper slot, splicing sleeve is provided with the spacing preiection stretched into stopper slot, on the periphery of turning set Screens groove is provided with stopper slot opposite side, the turning-bar that can be horizontally rotated is provided with positioned at screens groove side on splicing sleeve, is turned to The rotating shaft of bar is associated with a steering tiller by transmission mechanism, and the end sleeve of turning-bar is provided with the telescopic of end-enclosed, stretches The adjustable spring for compressing and turning to boom end is provided with contracting set, the end screens of the telescopic is in screens groove, and spacing preiection is then Against one end of stopper slot；

When needing to make paper platform rotate 90 degree, steering cylinder rises rotation push rod and is connected with adapter sleeve, so as to jack up Paper platform, then rotate turning-bar by steering tiller, turning set pushes telescopic, until the axle of turning-bar face turning set Line, now turning set, which drives, rotates 45 degree of push rod rotation；

When being rotated further steering tiller and rotating turning-bar, telescopic is progressively protruding, until spacing preiection is against spacing The other end of groove, now turning set drive rotate push rod and are connected to 90 degree of paper platform rotation for rotating push rod upper end.

4. one kind office paper cutter according to claim 1, it is characterized in that, the knife provided with single-acting in gate frame Piece locking oil cylinder, the side of one of blade are provided with locking hole, and the piston rod end of blade lock oil cylinder, which is provided with, fits in lock The only locking head in hole, the working chamber of blade lock oil cylinder are connected with the upper working chamber of hoist cylinder by connecting pipeline, knife The reseting pressuring spring for compressing piston is provided with the cylinder body of piece locking oil cylinder.

5. one kind office paper cutter according to claim 4, it is characterized in that, the connecting pipeline and hydraulic system go out Oil pipe line is connected, and connecting pipeline is connected to the cylinder side wall of hoist cylinder, is additionally provided with and connects on the upper end cover of hoist cylinder The driving oil pipe of logical pipeline connection, the ratio between the caliber of the driving oil pipe and the caliber of connecting pipeline work as knife between 0.2-0.4 When piece is in upper position, the piston closure of hoist cylinder is connected to the connecting pipeline of cylinder side wall；It is fuel-displaced when hydraulic system Pipeline by connecting pipeline to the upper working chamber input pressure oil of hoist cylinder to drive the blade to move down when, pressure oil is introduced into lock Only oil cylinder, locking head is set to depart from locking hole, at the same time, driving oil pipe input pressure oil into hoist cylinder, so that lifting The piston of oil cylinder is slowly moved, and the connecting pipeline for making to be connected in side wall is open-minded, and now pressure oil is entered by connecting pipeline In upper working chamber, blade is quickly moved down completion and cut.

6. one kind office paper cutter according to claim 1, it is characterized in that, in addition to one can start cut paper program Controlling switch, the controlling switch include being arranged on the control housing of cut paper platform side, are provided with control housing horizontally disposed Guide plate, guide plate is provided with T-shaped chute, the control body of rod stretched out outside control housing, control is slidably provided with T-shaped chute One end on the body of rod in T-shaped chute is rotatably connected to control disk, controls the periphery of disk to be provided with two radially The long gag lever post of upper short gag lever post positioned opposite and two diametrically opposed arrangements, between short gag lever post and long gag lever post Angle be 90 degree, control to be respectively equipped with long gag lever post and short gag lever post on the end face of disk and stir cylinder, four are dialled Dynamic cylinder equidistantly distributed on the circumferencial direction of control disk, compartment of terrain is provided with first along its length for the downside of guide plate Block, middle block, second time block, the upside of guide plate are provided with the first upper stopper corresponding with first time block and second Second upper stopper corresponding to block, shake-up block is provided with guide plate at first time block, control two of disk it is long spacing Bar is born against on first time block and the first upper stopper, and the control body of rod now is positioned at the closed position of controlling switch.