CN210339763U

CN210339763U - Two rotary knife cylinder paper cutting machine

Info

Publication number: CN210339763U
Application number: CN201921122903.1U
Authority: CN
Inventors: 钟爵麟
Original assignee: DONGGUAN JUNXING MACHINERY TECHNOLOGY CO LTD
Current assignee: DONGGUAN JUNXING MACHINERY TECHNOLOGY CO LTD
Priority date: 2019-07-17
Filing date: 2019-07-17
Publication date: 2020-04-17
Anticipated expiration: 2029-07-17

Abstract

The utility model discloses a two sword cylinder paper cutting machines that circle round, include: the paper supply system is used for conveying the multiple roller paper layers along the transverse direction in cooperation with the deviation rectifying system and the reverse bending system; the traction system is used for linearly drawing the laminated roll paper through the slitting system and then sending the laminated roll paper to the traction system of the double-rotary-drum transverse cutter; the conveying system comprises a high-speed lower conveying assembly and a paper stacking conveying assembly which are in butt joint connection through a paper passing assembly, and further comprises a high-speed upper conveying assembly, a speed reducing assembly and a paper pressing assembly; the high-speed lower conveying assembly and the paper stacking conveying assembly are matched with the high-speed upper conveying assembly, and a stack of paper can be overlapped on the previous stack of paper in sequence and conveyed to the paper collecting system by matching with the conveying speed difference generated by the high-speed upper conveying assembly and the paper stacking conveying assembly and the speed reduction of the speed reduction assembly; and the paper collecting system is used for receiving each pile of paper and collecting and stacking the paper into a stack.

Description

Two rotary knife cylinder paper cutting machine

Technical Field

The utility model belongs to the technical field of paper cutting equipment technique and specifically relates to a two sword cylinder paper cutting machines that circle round.

Background

The paper cutter is used for cutting paper of required specifications, and the development of the traditional mechanical paper cutter to the microcomputer program control of the present day enables the production preparation time to be shorter, the cutting precision to be higher, the labor intensity to be lower and the operation to be safer, and along with the development of market economy, more and more investors all need the paper cutter which occupies less space, has small investment, fast return and strong operability.

For the processing and production of mass paper, in order to improve the production efficiency, the modern production method adopts a flow production line to operate, and each corresponding department of the flow production line is provided with automatic mechanical equipment, so that the labor intensity of workers is greatly reduced.

Firstly, the existing paper cutting equipment adopts a paper supply device to directly supply roll paper to a slitting assembly and a transverse cutting assembly, the roll paper is directly fed, when the roll paper reaches the slitting assembly and the transverse cutting assembly, the roll paper has certain warping, which causes large size error of the slitting and transverse cutting paper, more sawteeth and burrs, and causes paper jam due to warping to influence the processing efficiency of paper cutting; secondly, the existing paper cutting equipment is not provided with a guide edge or a deviation correcting device directly at a paper supply device and a cutting device, and the roller paper can be translated along the axial direction of the roller paper due to long-time rolling conduction through a transmission guide roller in the feeding process, so that the roller paper can be deviated, if the deviation is not corrected, the roller paper can be obliquely cut in the splitting and transversely cutting processes, and the cut paper does not conform to the specified shape and size, so that the waste of the paper is caused; thirdly, the existing paper cutting equipment still sends the roll paper to the transverse cutter group in a single piece after the roll paper is subjected to slitting, so that the cutting, paper feeding and paper stacking utilization rate is low, and the production efficiency of the paper cutter is low.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem be to the defect of the existence among the above-mentioned prior art, provide a not card paper, cut the high two sword cylinder paper cutting machines that circle round of machining efficiency.

In order to solve the technical problem, the utility model adopts a technical proposal that the double-rotary knife cylinder paper splitting machine comprises:

the paper feeding system comprises a plurality of paper feeding devices, and the plurality of paper feeding devices are matched with a deviation rectifying system and a reverse bending system which are arranged on the bridge frame to stack a plurality of pieces of roll paper and convey the roll paper along the transverse direction;

the traction system is arranged between the slitting system and the double-rotary-drum transverse cutter and comprises a traction roller and a traction compression roller which are arranged on the rack through a bearing seat, the traction roller rotates relative to the traction compression roller and linearly draws the laminated drum paper into the slitting system and then sends the laminated drum paper to the double-rotary-drum transverse cutter;

the slitting system is used for slitting the stacked roll paper longitudinally into narrow long paper;

the double-rotary-drum transverse cutter is used for cutting the narrow long paper into paper;

the conveying system comprises a high-speed lower conveying assembly and a paper stacking conveying assembly which are arranged on a conveying arm extending transversely and are in butt joint connection through a paper passing assembly, the high-speed upper conveying assembly matched with the high-speed lower conveying assembly and the paper stacking conveying assembly is arranged above the high-speed lower conveying assembly and the paper stacking conveying assembly vertically, at least one speed reducing assembly is further arranged in an interval over which the high-speed upper conveying assembly and the paper stacking conveying assembly are opposite, and paper pressing assemblies are arranged above the paper passing assembly vertically and above the high-speed lower conveying assembly and one end of the paper stacking conveying assembly transversely; the high-speed lower conveying assembly and the paper stacking conveying assembly are matched with the high-speed upper conveying assembly, and a stack of paper can be overlapped on the previous stack of paper in sequence and conveyed to the paper collecting system by matching with the conveying speed difference generated by the high-speed upper conveying assembly and the paper stacking conveying assembly and the speed reduction of the speed reduction assembly;

the paper collecting system comprises a paper receiving assembly and a paper aligning assembly, wherein the paper receiving assembly receives each pile of paper and gradually descends in the vertical direction, and the paper is collected and stacked into a stack by matching with the paper aligning device.

As a further elaboration of the above technical solution:

in the technical scheme, the paper supply system is provided with two paper supply devices, and each paper supply device comprises a supporting wallboard, a reciprocating rotary shaft, a force arm with a large end connected with the reciprocating rotary shaft, a push-pull rod movably connected with a small end of the force arm through a shaft pin and a telescopic cylinder in transmission connection with the push-pull rod; the reciprocating rotary shaft and the telescopic cylinder are arranged on the supporting wall plate; the reciprocating rotary shaft comprises a rotary shaft body and a paper roll clamping arm arranged on the rotary shaft body, the rotary shaft body is provided with two linear slide rails, one end of the paper roll clamping arm is connected with the two linear slide rails, the other end of the paper roll clamping arm is connected with a chuck used for clamping roll paper, the end, connected with the linear slide rails, of the paper roll clamping arm is also in transmission connection with a driving cylinder through a locking ring which is used for locking the paper roll clamping arm on the rotary shaft body in a sleeved mode, and the driving cylinder can drive the paper roll clamping arm to slide along the matched linear slide rails and is matched with and adjust the longitudinal distance between the.

In the technical scheme, the deviation rectifying system comprises a plurality of deviation rectifying assemblies arranged at intervals in the vertical direction, the number of the deviation rectifying components is matched with that of the paper feeding devices, each deviation rectifying component comprises a deviation rectifying base fixedly connected with the bridge frame, a group of sliding screw rods which are obliquely arranged in the horizontal plane are arranged at the two longitudinal ends of the deviation rectifying base, and the two groups of sliding screw rods are arranged in a mirror symmetry manner in the longitudinal direction, the nuts of the sliding screw rods are connected with a deviation rectifying movable seat, the deviation rectifying base is also provided with an electric push rod in transmission connection with the deviation rectifying movable plate, the electric push rod can be matched with the sliding screw rod to drive the deviation rectifying movable plate to move in the longitudinal direction, and the electric push rod is matched with two deviation rectifying rollers fixed on the deviation rectifying movable plate through bearing seats to move in the longitudinal direction and is matched with two guide rollers fixed on the bridge frame to rectify the deviation of the roller paper drafted on the guide rollers and the deviation rectifying rollers;

the anti-bending system comprises anti-bending components matched with the deviation rectifying components in number, each anti-bending component comprises two mounting plates arranged at longitudinal intervals, anti-bending adjusting guide rollers, fixed anti-bending guide rollers and lower anti-bending guide rollers which are longitudinally extended and vertically arranged at intervals are arranged on the mounting plates through bearings, anti-bending devices are further arranged between the anti-bending adjusting guide rollers and the fixed anti-bending guide rollers, each anti-bending device comprises two movable anti-bending rollers and fixed anti-bending rollers arranged between the two movable anti-bending rollers, the two movable anti-bending rollers are connected through two sliding plates arranged at the longitudinal ends of the two movable anti-bending rollers, the two sliding plates are connected with a first linear guide rail and a transmission screw rod which are transversely arranged on the two mounting plates, and the two transmission screw rods are further in transmission connection with a driving motor through a gear matching synchronous rotating shaft and a speed reducer; the driving motor drives the two movable reverse bending rollers to move in the transverse direction, and cylinder paper which is wound on the reverse bending adjusting guide roller, the movable reverse bending rollers, the fixed reverse bending guide roller and the lower reverse bending guide roller in a snake-shaped mode is reversely bent in a matching mode.

In the technical scheme, a synchronous driving wheel is arranged at one longitudinal end of the traction roller and is in transmission connection with a paper pulling driving motor through a synchronous transmission pair; the two bearing seats connected with the traction compression roller are crankshaft bearing seats, one end of each crankshaft bearing seat is movably connected with the frame through a first rotating shaft, the other end of each crankshaft bearing seat is in transmission connection with a brake cylinder head, the brake cylinder head can drive the traction compression roller to rotate by taking the first rotating shaft as an axis and move towards/away from the traction roller in a matched mode, and adaptive clamping force is provided in a matched mode so that the traction roller can pull the roll paper along the transverse direction;

the slitting system comprises a first slitting knife set and a second slitting knife set arranged at the upper end of the first slitting knife set; the first slitting knife group comprises a knife shaft, the knife shaft is arranged on the rack through a bearing seat, the knife shaft is also in transmission connection with the synchronous transmission pair, and a plurality of first slitting knives are arranged on the knife shaft at intervals along the axial direction of the knife shaft; the second slitting knife group comprises a knife holder which is fixedly connected with the rack along the longitudinal extension, a dovetail chute is formed in the transverse side edge of the knife holder, a plurality of mounting blocks matched with the dovetail chutes are hung on the knife holder, a cylinder is fixedly arranged on each mounting block, an electric cutter is connected in a cylinder transmission mode, the electric cutter is aligned with the first slitting knife in the position, and the first slitting knife is driven by a knife shaft to rotate in a matched mode to longitudinally slit and cut laminated roll paper into narrow-width long-strip paper.

In the above technical scheme, the high-speed subassembly of feeding down all include through the bearing install in the arm of transport and vertically installed form advance roller and tensioning roller, form advance roller and tensioning roller still connect through the transmission of driving belt, form advance the roller vertical both ends and be equipped with first synchronous drive wheel, establish go up the high-speed first synchronous drive wheel that feeds on the roller of subassembly and the high-speed subassembly of feeding down still through first synchronous belt transmission connection, establish the first synchronous drive wheel on another form advance roller of subassembly still is connected through second synchronous belt and high-speed transmission motor transmission under high speed, establish first synchronous drive wheel on the form advance roller of the subassembly of feeding is connected through third synchronous belt and transmission motor transmission, the high-speed transmission motor transmission is gone up the transmission of subassembly and is rotated with high-speed transmission belt of subassembly down, the transmission motor is matched to drive the transmission belt of the paper folding and conveying assembly to rotate in a differential speed mode relative to the transmission belt of the high-speed upper conveying assembly, and the paper which is matched with the clamping and cut moves along the transverse direction and/or a pile of paper is overlapped onto the previous pile of paper and is conveyed to the paper collecting system.

In the above technical scheme, the conveying system further comprises a paper shooting component arranged at one end of the paper stacking conveying component far away from the high-speed lower conveying component, the paper shooting component comprises a truss arm which is vertically arranged and fixedly connected with the conveying arm through a support, a plurality of fixed paper shooting plates are arranged on the transverse front side wall of the truss arm, a movable rotating rod is further arranged above the vertical direction of the truss arm, the movable rotating rod is movably connected with the support through a bearing, a plurality of movable paper shooting plates are arranged on the transverse front side wall of the movable rotating rod, a plurality of fixed paper shooting plates and a plurality of movable paper shooting plates are further arranged in a staggered mode in the longitudinal direction, the movable rotating rod is further connected with a paper shooting motor through a hinged seat, a connecting rod and an eccentric wheel, two paper guide rollers are further mounted at the vertical top end of the support through a bearing, the paper guide rollers are further connected with the paper feeding rollers of the paper stacking conveying component through a synchronous belt, the paper stacking conveying component conveys overlapped paper to the, the paper shooting motor drives the movable rotating rod to pivot and drive the movable paper shooting plate to movably contact with the paper guide roller and shoot overlapped paper conveyed by the paper folding conveying assembly, and one transverse end of the overlapped paper is aligned in a matching mode;

the paper feeding assembly comprises two paper feeding plates which are transversely arranged at intervals, each paper feeding plate is fixedly connected with the conveying arm through a supporting seat and is longitudinally arranged, the two paper feeding plates are respectively butted with the high-speed lower conveying assembly and the paper stacking conveying assembly, a paper feeding roller is further arranged between the two paper feeding plates, the paper feeding roller is movably connected with the conveying arm through a bearing, and the paper feeding roller is also in transmission connection with a first synchronous driving wheel arranged on a paper feeding roller of the high-speed lower conveying assembly through a fourth synchronous belt; the paper feeding roller and the high-speed lower conveying assembly rotate at the same speed, and the paper feeding roller is matched with the two paper feeding plates to convey paper from the high-speed lower conveying assembly to the paper stacking conveying assembly.

In the technical scheme, the paper pressing assembly comprises a second rotating shaft which is longitudinally arranged on the conveying arm through a bearing seat, a plurality of pipe clamp bodies which can movably rotate relative to the second rotating shaft are arranged on the second rotating shaft at intervals along the longitudinal direction, the pipe clamp bodies are movably connected with two first supporting plates through pin shafts, the two first supporting plates are also connected with a paper pressing wheel through first pin shafts, the two first supporting plates are also connected with a crank bolt through second pin shafts, a reset spring is sleeved on the crank bolt, the crank bolt further movably penetrates into a sliding groove of the second supporting plate and is locked and attached through a nut, and the second supporting plate is fixedly connected with the pipe clamp bodies; the first supporting plate drives the paper pressing wheel to pivot relative to the pipe clamping body, and the damping provided by the return spring is matched to enable the crank bolt to be matched with the second pin shaft to drive the first supporting plate to pivot reversely, so that the paper pressing wheel is in rolling contact with paper or a transmission belt and extrudes the paper;

the speed reduction assembly comprises sliding seats which are arranged at intervals in the longitudinal direction, a transmission gear is embedded in each sliding seat, the two transmission gears are respectively meshed and connected with a rack which is arranged on each conveying arm and extends transversely, the two transmission gears are also connected through a third rotating shaft, and a rotary adjusting hand wheel is further arranged at one end of the third rotating shaft; the rotary adjusting hand wheel is rotated, so that the third rotating shaft drives the two transmission gears to rotate relative to the racks in a meshed mode and drives the sliding seat and the speed reducing assembly to move transversely, the position of the speed reducing assembly is adjusted in a matched mode, and paper with matched width can be subjected to shape reduction; the first driving roller is fixedly connected with the sliding seat through a bearing seat, a plurality of first bearing seats are arranged on the sliding seat, sliding grooves are formed in the first bearing seats, the two longitudinal ends of the decelerating roller respectively penetrate into the sliding grooves of the first bearing seats at matched positions and are in threaded connection with adjusting bolts which are vertically arranged and penetrate into the sliding grooves, and the matched decelerating roller is movably connected with the sliding seat; the adjusting bolt can adjust the vertical position of the decelerating roller, so that the decelerating roller extrudes a transmission belt of the high-speed upper conveying assembly, and the paper clamped and conveyed by the high-speed upper conveying assembly and the paper stacking conveying assembly is decelerated and overlapped to a previous pile of paper along the transverse conveying direction.

In the technical scheme, the paper receiving assembly comprises driving cylinders fixedly arranged on two side plates of a case, the two driving cylinders are vertically arranged and are in transmission connection with a pulling block, a lifting chain wheel is movably arranged on the pulling block, chain wheel transmission shafts are assembled on the two side plates of the case through bearings with seats, a rotating chain wheel is arranged at each of two axial ends of each chain wheel transmission shaft, a transmission chain is wound on the rotating chain wheel and the lifting chain wheel, one end of the transmission chain is connected with a chain pulling block, and the other end of the transmission chain is connected with a chain weight block; the double-row steel wire wheel is also arranged on the two sides of the chain wheel transmission shaft matched with the two axial sides of the chain wheel transmission shaft, the double-row transmission chain wheel is fixedly arranged on the inner side walls of the two side plates of the case, two lifting steel wires are wound on the double-row steel wire wheel and the double-row transmission chain wheel, one end of each lifting steel wire is connected with the paper collecting table, the other end of each lifting steel wire is connected with the double-row chain pull block, and a double-row steel wire weight is hung on the part, located between the double-row transmission chain wheel and the; the driving cylinder drives the pulling block to drive the lifting chain wheel to vertically move, the matching transmission chain drives the chain wheel transmission shaft and the double-row steel wire wheels to rotate, and the two double-row steel wire wheels rotate and can drive the paper collection table to vertically move step by step through the lifting steel wires to receive each pile of paper.

In the technical scheme, the paper aligning component comprises a paper adjusting component and a rear paper blocking component which are arranged on a paper collecting vehicle arm extending along the transverse direction; the paper adjusting assembly comprises two first sliding seats which are longitudinally arranged at intervals, a first transmission gear is embedded in each first sliding seat, the two first transmission gears are respectively meshed and connected with a first rack which is arranged on each paper collecting vehicle arm and extends transversely, the two first transmission gears are further connected through a fourth rotating shaft, and a first rotary adjusting hand wheel is further arranged at one end of the fourth rotating shaft; rotating the first rotary adjusting hand wheel to enable the fourth rotating shaft to drive the two first transmission gears to rotate in a meshed mode relative to the first rack and drive the first sliding seat and the paper adjusting assembly to move transversely to match the position of the paper adjusting assembly; the two first sliding seats are also connected with two linear bearing rods extending longitudinally, the middle parts of the two linear bearing rods are fixedly provided with an installation seat, the bottom end of the installation seat is fixedly provided with a middle paper dividing plate, the two linear bearing rods are also movably provided with two side paper dividing plates, and the two side paper dividing plates are positioned at the two longitudinal ends of the middle paper dividing plate; the two longitudinal sides of the mounting seat are respectively provided with a ball screw, one end of each ball screw is connected with the mounting seat, the other end of each ball screw is connected with the two first sliding seats, the two ball screws are respectively in transmission connection with the paper separating plates on the two sides, one of the two ball screws also longitudinally penetrates through the matched first sliding seat to extend out and is connected with the second rotary adjusting hand wheel, one end of the other ball screw, which is far away from the mounting seat, is provided with a synchronizing wheel, a fifth rotating shaft which is movably connected with the first sliding seat through a bearing is further arranged above the two ball screws, one longitudinal end of the fifth rotating shaft is provided with a first synchronizing wheel which is connected with the synchronizing wheel through a transmission synchronizing belt, and the other end of the fifth rotating shaft penetrates through the matched first sliding seat and is; the second rotary adjusting hand wheel is rotated to longitudinally move and adjust the longitudinal distance between the side paper separating plate and the middle paper separating plate through the transmission of the matched ball screw, and the third rotary adjusting hand wheel is rotated to longitudinally move and adjust the longitudinal distance between the other side paper separating plate and the middle paper separating plate through the transmission of the fifth rotating shaft, the first synchronizing wheel, the transmission synchronous belt and the synchronizing wheel.

In the technical scheme, the rear paper blocking assembly comprises two second sliding seats which are longitudinally arranged at intervals, a second transmission gear is embedded in each second sliding seat and is meshed and connected with a first rack which is arranged on each paper collecting vehicle arm and extends transversely, the two second transmission gears are connected through a sixth rotating shaft, a fourth rotary adjusting hand wheel is further arranged at one end of the sixth rotating shaft, the fourth rotary adjusting hand wheel is rotated, the sixth rotating shaft can drive the two second transmission gears to rotate relative to the first rack in a meshed mode and drive the second sliding seats and the rear paper blocking assembly to move transversely, and the position of the rear paper blocking assembly is matched and adjusted; two the second sliding seat is connected with the longitudinally extending paper blocking seat, a rear paper blocking plate is fixedly arranged on one transverse side wall of the paper blocking seat, the second sliding seat is further connected with a longitudinally extending fixing shaft, the fixing shaft is connected with the two side paper blocking plates through a side paper blocking plate seat and a locking plate, and the two side paper blocking plates are opposite to the rear paper blocking plate and are vertically arranged and matched to form a U-shaped paper blocking groove.

The beneficial effects of the utility model reside in that: firstly, the utility model adopts a plurality of pieces of drum paper which are fed once and can be cut and formed into four piles of paper with matching width once after slitting and crosscutting, the cut paper has no raw edge, no sawtooth and high consistency of paper size; secondly, the utility model discloses an establish rectifying system and anti-bent system between paper supply system and traction system, to the cylinder paper of each conveying rectify and get rid of the warpage, when cylinder paper reachd to divide strip subassembly and crosscut subassembly, cylinder paper can be by accurate strip and cut, the matching cutting shaping is the paper of matching size, paper size error is big, sawtooth and deckle edge are few, the paper cutting in-process card paper is few, cuts efficiently; thirdly, the utility model has smooth cutting action, short time and high working efficiency; fourthly, the utility model has the advantages of reasonable structural layout, small occupied area and low equipment cost.

Drawings

FIG. 1 is an overall assembly view of the present invention;

fig. 2 is a front view of the present invention;

fig. 3 is a structural view of the sheet feeding device of the present invention;

FIG. 4 is an assembly view of the deviation correcting assembly of the present invention;

FIG. 5 is an assembly view of the reverse bending assembly of the present invention;

FIG. 6 is an assembly view of the traction system, the slitting system and the double rotary drum crosscutter of the present invention;

fig. 7 is an assembly view of the delivery system of the present invention;

figure 8 is an assembly view of the speed reduction assembly of the present invention;

FIG. 9 is an assembly view of the paper-patting assembly of the present invention;

FIG. 10 is an assembly view of the paper collection system of the present invention;

fig. 11 is an assembly view of the paper finishing assembly of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Fig. 1-11 an embodiment of the present invention, referring to fig. 1-11, a double rotary knife cylinder paper slitting machine, comprising:

a paper feeding system 001, which comprises a plurality of paper feeding devices 11, wherein the plurality of paper feeding devices 11 are matched with a deviation correcting system 002 and a reverse bending system 003 arranged on a bridge 12 to stack a plurality of pieces of roll paper (the stacking refers to the placement of the roll paper one by one, and the number of the roll paper is matched with the number of the paper feeding devices 1) and convey the roll paper along the transverse direction (X direction);

the traction system 004 is arranged between the slitting system 005 and the double-rotary-drum transverse cutter 006 and comprises a traction roller 43 and a traction compression roller 44 which are arranged on the rack 42 through a bearing seat 41, the traction roller 43 rotates relative to the traction compression roller 44 and sends the laminated roll paper to the double-rotary-drum transverse cutter 006 for cutting after the laminated roll paper is linearly drawn through the slitting system 005; in this embodiment, a synchronous driving wheel 45 is disposed at one longitudinal end of the traction roller 43, and the synchronous driving wheel 45 is in transmission connection with a paper pulling driving motor 46 through a synchronous transmission pair (not shown in the figure); the two bearing seats 41 connected with the traction compression roller 44 are crankshaft bearing seats, one end of each crankshaft bearing seat is movably connected with the frame 42 through a first rotating shaft 47, the other end of each crankshaft bearing seat is in transmission connection with a brake cylinder head 48, the brake cylinder head 48 can drive the traction compression roller 44 to rotate by taking the first rotating shaft 47 as an axis and move towards/away from the traction roller 43 in a matched mode, and adaptive clamping force is provided in a matched mode so that the traction roller 43 can pull the roll paper along the transverse direction;

a slitting system 005 for slitting the stacked roll paper longitudinally into narrow long paper; the narrow long paper refers to that the large and wide roll paper is equally divided into strip paper with the same width, and each strip paper comprises a plurality of stacked long paper;

a double-rotary-drum crosscutter 006 for cutting the narrow long paper into sheets; it should be noted that, after the cross cutting, a plurality of bundles of paper sheets are cut, and the plurality of bundles of paper sheets are cut once by the double-revolving-roller cross cutter 006, a bundle of paper sheets can be cut from each strip paper sheet conveyed, a plurality of strip paper sheets correspond to the plurality of bundles of paper sheets, and each bundle of paper sheets includes a plurality of paper sheets with a wide width; the double-rotary-drum crosscut 006 of the present embodiment uses the crosscut device of the Chinese patent small-sized A4 paper cutter (patent No. 201110092662.2, the creator of the patent is the creator of the same study), and the specific structure is referred to the patent;

the conveying system 007 comprises a high-speed lower conveying assembly 73 and a paper stacking conveying assembly 74 which are arranged on a conveying arm 71 extending transversely and are in butt joint connection through a paper assembly 72, an adaptive high-speed upper conveying assembly 75 is arranged above the high-speed lower conveying assembly 73 and the paper stacking conveying assembly 74 vertically, at least one speed reducing assembly 76 is further arranged in a region where the high-speed upper conveying assembly 75 is opposite to the paper stacking conveying assembly 74, and a paper pressing assembly 77 is arranged above the paper assembly 72 vertically and above one transverse end of the high-speed lower conveying assembly 73 and one transverse end of the paper stacking conveying assembly 74 vertically; the high-speed lower conveying component 73 and the paper stacking conveying component 74 are matched with the high-speed upper conveying component 75, and are matched with the conveying speed difference generated by the high-speed upper conveying component 75 and the paper stacking conveying component 74 and the speed reducing component 76 to reduce the speed of the paper, so that a stack of paper can be overlapped on the previous stack of paper in sequence and conveyed to the paper collecting system 008; in this embodiment, the conveying system 007 further includes a tapping assembly 78 disposed at an end of the stacking conveyor assembly 74 remote from the high-speed lower conveyor assembly 73, the tapping assembly 78 being configured to tap the overlapped sheets conveyed by the stacking conveyor assembly 74 to match a lateral end of the overlapped sheets to be aligned;

the paper collecting system 008 comprises a paper receiving assembly 81 and a paper aligning assembly 82, wherein the paper receiving assembly 81 receives each stack of paper and descends gradually in the vertical direction, and the paper can be collected and stacked into a stack by matching with the paper aligning device 82.

Referring to fig. 1-5, in this embodiment, the paper feeding system 001 is provided with two paper feeding devices 11, each paper feeding device 11 includes a supporting wall plate 111, a reciprocating swiveling shaft 112, a force arm 113 having a large end connected to the reciprocating swiveling shaft 112, a push-pull rod 114 movably connected to a small end of the force arm 113 through a shaft pin (not numbered in the drawings), and a telescopic cylinder 115 connected to the push-pull rod 114 in a driving manner; wherein, the reciprocating rotary shaft 112 and the telescopic cylinder 115 are arranged on the supporting wall plate 111; the reciprocating rotation shaft 112 comprises a rotation shaft body 1121 and a paper roll clamping arm 1122 arranged on the rotation shaft body 1121, the rotation shaft body 1121 is provided with two linear sliding rails 116, one end of the paper roll clamping arm 1122 is connected with the two linear sliding rails 116, the other end of the paper roll clamping arm 1122 is connected with a chuck 117 for clamping the roll paper, the end of the paper roll clamping arm 1122 connected with the linear sliding rails 116 is further in transmission connection with a first driving cylinder (not shown in the figure) through a locking ring 118 for locking the paper roll clamping arm 1122 on the rotation shaft body 1121 in a sleeved mode, and the first driving cylinder can drive the paper roll clamping arm 1122 to slide transversely along the matched linear sliding rails 116 to match and adjust the transverse distance between the two chucks 117 arranged transversely symmetrically so as to clamp the roll paper with.

Referring to fig. 1-5, in this embodiment, the deviation rectifying system 002 includes a plurality of deviation rectifying assemblies 2 arranged at intervals in the vertical direction, the number of the deviation rectifying assemblies 2 matches the number of the paper feeding device 11, each deviation rectifying assembly 2 includes a deviation rectifying base 21 fixedly connected to the bridge 12, a set of sliding screws 22 arranged in a horizontal plane is disposed at both longitudinal (Y-direction) ends of the deviation rectifying base 21, in this embodiment, each set of sliding screws 22 includes two sliding screws 22 arranged in parallel, two sets of the sliding screws 22 are also arranged in mirror symmetry in the longitudinal (Y-direction) direction, nuts of the sliding screws 22 are connected to a deviation rectifying movable seat 23, an electric push rod 24 connected to the deviation rectifying movable seat 23 in a transmission manner is further disposed on the deviation rectifying base 21, the electric push rod 24 can cooperate with the sliding screws 22 to drive the deviation rectifying movable seat 23 to move in the longitudinal direction, the two deviation rectifying rollers 25 fixed on the deviation rectifying movable plate 23 through the bearing seat 41 are driven to move longitudinally in a matching manner, and the two guide rollers 26 fixed on the bridge 12 are matched to rectify the rolled paper drafted on the guide rollers 26 and the deviation rectifying rollers 25, it should be noted that, in practice, the electric push rod 24 is also arranged obliquely in the horizontal plane, but the oblique direction of the electric push rod 24 forms a certain included angle with the oblique directions of the two sets of sliding screw rods 22, two ends of the electric push rod 24 are respectively movably connected with the deviation rectifying base 21 and the deviation rectifying movable plate 23, and the electric push rod 24 extends out along the oblique direction thereof and pushes the deviation rectifying movable plate 23, because the deviation rectifying movable plate 23 is connected with the two sets of sliding screw rods 22, the thrust provided by the electric push rod 24 can only drive the movable plate 23 to move along the oblique direction of the sliding screw rods 22, and simultaneously, because the two sets of, therefore, the action provided by the electric push rod 24 and the thrust of the deviation-correcting movable plate 23 are decomposed into acting forces in the directions of the X direction and the Y direction, and further, the two acting forces in the direction of the X direction are opposite in stress direction, so as to cancel each other, so that the deviation-correcting movable plate 23 only moves in the direction of the Y direction, and the two deviation-correcting rollers 25 fixed on the deviation-correcting movable plate 23 through the bearing seat 41 are driven to move longitudinally in a matching manner.

Referring to fig. 1-5, in this embodiment, the anti-bending system 003 includes anti-bending assemblies 3 matched with the deviation rectifying assemblies 2 in number, each of the anti-bending assemblies 3 includes two mounting plates 31 spaced longitudinally (Y direction), and the mounting plates 31 are mounted with anti-bending adjusting guide rollers 33, fixed anti-bending guide rollers 34 and lower anti-bending guide rollers 35 through bearings 32, the anti-bending adjusting guide rollers 33 are movable in a vertical direction (Z direction), and the vertical movement of the anti-bending adjusting rollers 33 is a same adjusting screw rod vertically disposed to adjust the vertical movement, so as to match the spacing between the fixed anti-bending guide rollers 34; a reverse bending device 36 is further arranged between the reverse bending adjusting guide roller 33 and the fixed reverse bending guide roller 34, the reverse bending device 36 comprises two movable reverse bending rollers 361 and fixed reverse bending rollers 362 arranged between the two movable reverse bending rollers 361, the two movable reverse bending rollers 362 are connected through two sliding plates 363 arranged at two longitudinal ends of the two movable reverse bending rollers, the two sliding plates 363 are both connected with a first linear guide rail 364 and a transmission screw 365 which are transversely arranged on the two mounting plates 31, and the two transmission screw 365 are also in transmission connection with a driving motor 369 through a gear 366 matched with a synchronous rotating shaft 367 and a speed reducer 368; the driving motor 369 drives the two movable reverse bending rollers 361 to move in the transverse direction (X direction), and reversely bends the roller paper which is wound on the reverse bending adjusting guide roller 33, the movable reverse bending rollers 361, the fixed reverse bending rollers 362, the fixed reverse bending guide roller 34 and the lower reverse bending guide roller 35 in a snake-shaped mode, wherein the reverse bending refers to smoothing the warping formed by rolling the roller paper through reverse bending, so that the strip separating system 005 and the double-rotary-roller transverse cutter 006 can accurately perform strip separation and transverse cutting.

Referring to fig. 1-2 and fig. 6, in this embodiment, the slitting system 005 includes a first slitting knife set 51 and a second slitting knife set 52 disposed at an upper end of the first slitting knife set 51, and in practice, the second slitting knife set 52 may be disposed at an upper end or a lower end of the first slitting knife set 51, or disposed at both the upper end and the lower end; the first slitting knife group 51 comprises a knife shaft 511, the knife shaft 511 is mounted on the frame 42 through a bearing seat 41, the knife shaft 511 is also in transmission connection with the synchronous transmission pair (i.e. in transmission connection with a traction system 004), and a plurality of first slitting knives 512 are mounted on the knife shaft 511 at intervals along the axial direction (Y direction) of the knife shaft 511; the second slitting knife group 52 comprises a knife base 521 which extends transversely and is fixedly connected with the rack 42, a dovetail sliding groove 522 is formed in the transverse side edge of the knife base 521, a plurality of mounting blocks 523 matched with the dovetail sliding grooves 522 are hung on the knife base 521, an air cylinder 524 is fixedly arranged on the mounting blocks 523, the air cylinder 524 is in transmission connection with an electric cutter 525, the electric cutter 525 is matched and right opposite to the first slitting knife 512 in the arrangement position, and the electric cutter 525 is matched with the first slitting knife 512 driven by the knife shaft 511 to rotate to longitudinally slit and cut the stacked roll paper into narrow-width long-strip paper.

Referring to fig. 1-2 and fig. 7, in this embodiment, each of the high-speed upper conveying assembly 75, the high-speed lower conveying assembly 73 and the stacked paper conveying assembly 74 includes a paper feeding roller 731 and a tension roller 732 mounted on the conveying arm 71 through a bearing 32 and disposed longitudinally, the paper feeding roller 731 and the tension roller 732 are further in transmission connection through a transmission belt 733, first synchronous transmission wheels 734 are disposed at two longitudinal ends of the paper feeding roller 731, the first synchronous transmission wheels 734 disposed on the paper feeding rollers 731 of the high-speed upper conveying assembly 75 and the high-speed lower conveying assembly 73 are further in transmission connection through a first synchronous belt, the first synchronous transmission wheel 734 disposed on the other paper feeding roller 731 of the high-speed lower conveying assembly 73 is further in transmission connection with a high-speed conveying motor 737 through a second synchronous belt 736, the first synchronous transmission wheel 734 disposed on the paper feeding roller 731 of the stacked paper conveying assembly 74 is in transmission connection with a conveying motor 742 through a third synchronous belt 741, the high-speed conveying motor 737 drives the high-speed upper conveying assembly 75 and the transmission belt 733 of the high-speed lower conveying assembly 73 to rotate at the same speed, and the transmission motor 742 is matched to drive the transmission belt 733 of the paper stacking conveying assembly 74 to rotate at a different speed relative to the transmission belt 733 of the high-speed upper conveying assembly 75, so that the matched clamped and cut paper moves along the transverse direction and/or a stack of paper is overlapped on the previous stack of paper and is conveyed to the paper collecting system 008; it should be noted that the cooperation between the high-speed upper conveying assembly 75 and the high-speed lower conveying assembly 73 and the stacked paper conveying assembly 74 means that the high-speed upper conveying assembly 75 and the stacked paper conveying assembly 74 respectively drive the corresponding transmission belts 733 to rotate, so that the paper between the two transmission belts 733 is moved by the contact cooperation of the transmission belts 733, when the rotation speeds of the two transmission belts 733 are the same, the paper moves forward along with the two transmission belts, when there is a speed difference between the two transmission belts 733, the paper clamped between the two transmission belts is decelerated by the resistance provided by the transmission belt 733 with the slow rotation speed on the basis of moving together with the two transmission belts, in this embodiment, there is a speed difference between the transmission belts of the high-speed upper conveying assembly 75 and the stacked paper conveying assembly 74, and there is no speed difference between the transmission belts of the high-speed upper conveying assembly 75 and the high-speed lower conveying assembly 73, so that the high-, further resisting deceleration of the sheets positioned at the stage of the sheet stacking and conveying assembly 74 in cooperation with the deceleration assembly 76, thereby causing a bundle of sheets to be overlapped to the previous bundle of sheets (the speed of the previous bundle of sheets is slow) and conveyed forward; in this embodiment, the paper passing assembly 72 includes two paper passing plates 721 arranged at intervals in the transverse direction, each paper passing plate 721 is fixedly connected to the conveying arm 71 through a support seat 722 and is installed longitudinally, in practice, the paper passing plate 721 is further provided with an air suction hole, the air suction hole on the paper passing plate 721 is further connected to an air pump through an air pipe, the paper passing through the paper passing plate 721 is adsorbed by matching with the suction force provided by the air pump, and the electrostatic rod arranged at the front end of the paper passing plate 721 is matched, so as to remove static electricity from the paper; the two paper passing plates 721 are respectively butted with the high-speed lower conveying assembly 73 and the paper stacking conveying assembly 74, a paper passing roller 723 is further arranged between the two paper passing plates 721, the paper passing roller 723 is movably connected with the conveying arm 71 through a bearing 32, and the paper passing roller 723 is further in transmission connection with a first synchronous transmission wheel 733 arranged on a paper feeding roller 731 of the high-speed lower conveying assembly 73 through a fourth synchronous belt 724; the paper feeding roller 731 rotates at the same speed as the high-speed lower conveying assembly 73, and matches with the two paper feeding plates 721 to transfer the paper from the high-speed lower conveying assembly 73 to the paper stacking conveying assembly 74; in this embodiment, the paper pressing assembly 77 includes a second rotating shaft 771 longitudinally (Y direction) mounted on the conveying arm 71 through a bearing seat 41, a plurality of pipe clamp bodies 772 capable of movably rotating relative to the second rotating shaft 771 are arranged on the second rotating shaft 771 at intervals along the longitudinal direction, the pipe clamp bodies 772 are movably connected with two first supporting plates 774 through a pin shaft 773, the two first supporting plates 774 are further connected with a paper pressing wheel 776 through a first pin shaft 775, the two first supporting plates 774 are further connected with a crank bolt 778 through a second pin shaft 777, a return spring 779 is sleeved on the crank bolt 778, the crank bolt 778 is further movably inserted into a sliding groove (not numbered in the drawing) of the second supporting plate 7710 and locked and attached by a nut (not numbered in the drawing), and the second supporting plate 7710 is fixedly connected with the pipe clamp bodies 772; the first supporting plate 774 drives the paper pressing wheel 776 to pivot relative to the pipe clamp 772, and the damping provided by the return spring 779 is matched to enable the crank bolt 778 to be matched with the second pin shaft 777 to drive the first supporting plate 774 to pivot reversely, so that the paper pressing wheel 776 is in rolling contact with paper or a transmission belt and extrudes the paper or decelerates the paper; in this embodiment, the decelerating assembly 76 includes sliding seats 761 disposed at intervals in the longitudinal direction, a transmission gear (not shown in the drawings) is embedded in each sliding seat 761, the two transmission gears are respectively engaged with a rack 79 disposed on each conveying arm 71 and extending in the transverse direction, the two transmission gears are further connected through a third rotating shaft 762, and a rotation adjusting hand wheel 763 is further disposed at one end of the third rotating shaft 762; the rotation adjusting hand wheel 763 is rotated, so that the third rotating shaft 762 drives the two transmission gears to rotate in a meshing manner relative to the rack 79 and drives the sliding seat 761 and the speed reducing component 76 to move along the transverse direction, the position of the speed reducing component 76 is adjusted in a matching manner, and the paper with the matched width can be decelerated in a shape advancing manner; the device is characterized by further comprising a plurality of speed reducing rollers 764 and a first driving roller 765, wherein the first driving roller 765 is fixedly connected with a sliding seat 761 through a bearing seat 41, the sliding seat 761 is provided with a plurality of first bearing seats 766, sliding chutes (not numbered in the drawing) are formed in the first bearing seats 766, the two longitudinal ends of each speed reducing roller 764 penetrate into the sliding chute of the first bearing seat 766 at a matching position respectively and are connected with an adjusting bolt 767 which is vertically arranged and penetrates into the sliding chute, and the matching speed reducing rollers 764 are movably connected with the sliding seat 761; the adjusting bolt 767 is adjusted by screwing to adjust the vertical position of the decelerating roller 764, so that the decelerating roller 764 presses the driving belt 733 of the high-speed upper conveying assembly 75 and stops and decelerates the paper conveyed by the high-speed upper conveying assembly 75 and the paper stacking conveying assembly 74, and a stack of transversely conveyed paper is stacked on the previous stack of paper; in this embodiment, the paper-shooting assembly 78 includes a truss arm 782 that is vertically arranged and fixedly connected with the conveying arm 71 through a support 781, a plurality of fixed paper-shooting plates 783 are arranged on the lateral front side wall of the truss arm 782, a movable rotating rod 784 is further arranged above the truss arm 782, the movable rotating rod 784 is movably connected with the support 781 through a bearing 32, a plurality of movable paper-shooting plates 785 are arranged on the lateral front side wall of the movable rotating rod 784, a plurality of fixed paper-shooting plates 783 and a plurality of movable paper-shooting plates 785 are further arranged in a staggered manner in the longitudinal direction, the movable rotating rod 784 is further connected with a paper-shooting motor 788 through a hinged seat 787, a connecting rod 786 and an eccentric wheel (not numbered in the drawing), two guide rollers 787 are further mounted on the vertical top end of the support 781 through the bearing 32, the guide rollers 787 are further connected with a paper feeding roller 733 of the paper-folding conveying assembly 74 through a synchronous belt (not assembled in the drawing, the paper stacking and conveying assembly 74 conveys the overlapped paper to the level paper guide roller 787, and the paper shooting motor 786 drives the movable rotating rod 784 to pivot and drive the movable paper shooting plate 784 to movably contact with the paper guide roller 787 and shoot the overlapped paper conveyed by the paper stacking and conveying assembly 74, so that one transverse end of the overlapped paper is aligned.

Referring to fig. 1-2 and fig. 10-11, in this embodiment, the paper receiving assembly 81 includes driving cylinders 811 fixed to two side plates of the chassis 8, the two driving cylinders 811 are vertically disposed and are in transmission connection with a pulling block 812, a lifting sprocket 813 is movably mounted on the pulling block 812, a sprocket transmission shaft 814 is mounted on the two side plates 801 of the chassis 8 through a bearing with a seat (not numbered in the drawing), a rotating sprocket 815 is disposed at each axial end of the sprocket transmission shaft 814, a transmission chain 816 is wound around the rotating sprocket 815 and the lifting sprocket 813, one end of the transmission chain 816 is connected to the chain pulling block 817, and the other end is connected to the chain weight 818; the sprocket transmission shaft 814 is further provided with double-row steel wire wheels 819 matched with two sides of the sprocket transmission shaft in the axial direction (Y direction), the inner side walls of two side plates 801 of the case 8 are further fixedly provided with double-row transmission sprockets 8110, the double-row steel wire wheels 819 and the double-row transmission sprockets 8110 are wound with two lifting steel wires 8111, one ends of the two lifting steel wires 8111 are connected with a paper collecting table 8112, in practice, a sprocket 8115 for transmission and guidance is arranged between the double-row steel wire wheels 819 and the paper collecting table 8112, the other ends of the double-row steel wire wheels 8111 are connected with a double-row chain pull block 8113, and a double-row steel wire weight 8114 is hung on the part of the two lifting steel wires 8111 between the double-row transmission; the driving cylinder 811 drives the pulling block 812 to drive the lifting chain wheel 813 to vertically move, the matching transmission chain 816 drives the chain wheel transmission shaft 814 and the double-row steel wire wheel 819 to rotate, and the double-row steel wire wheel 819 rotates to drive the paper receiving table 8112 to vertically move step by step through the lifting steel wire 8111 so as to receive each pile of paper; in the present embodiment, the aligning assembly 82 includes a sheet aligning assembly 84 and a rear sheet blocking assembly 85 provided on a delivery vehicle arm 83 extending in the lateral direction; the paper adjusting assembly 84 includes two first sliding seats 841 arranged at a longitudinal interval, a first transmission gear (not shown in the drawing) is embedded in each first sliding seat 841, the two first transmission gears are respectively engaged with a first rack 86 which is arranged on each paper collecting vehicle arm 83 and extends transversely, the two first transmission gears are further connected through a fourth rotating shaft 842, and one end of the fourth rotating shaft 842 is further provided with a first rotary adjusting hand wheel 843; the first rotary adjusting hand wheel 843 is rotated to enable the fourth rotating shaft 842 to drive the two first transmission gears to rotate in a meshed manner relative to the first rack 86 and drive the first sliding seat 841 and the paper adjusting assembly 84 to move transversely so as to match and adjust the position of the paper adjusting assembly 84; the two first sliding seats 841 are further connected with two linear bearing rods 844 extending longitudinally, the middle parts of the two linear bearing rods 844 are fixedly provided with an installation seat 845, the bottom end of the installation seat 845 is fixedly provided with a middle paper dividing plate 846, the two linear bearing rods 844 are further movably provided with two side paper dividing plates 847, and the two side paper dividing plates 847 are positioned at two longitudinal ends of the middle paper dividing plate 846; two longitudinal sides of the mounting seat 845 are respectively provided with a ball screw 848, one end of the ball screw 848 is connected with the mounting seat 845, the other end of the ball screw 848 is connected with two first sliding seats 841, the two ball screws 848 are respectively in transmission connection with the paper separating plates 847 at two sides, one of the two ball screws 848 also longitudinally penetrates through the matched first sliding seat 841 to extend out and is connected with a second rotary adjusting hand wheel 849, one end of the other ball screw 848, which is far away from the mounting seat 845, is provided with a synchronizing wheel 8410, a fifth rotating shaft 8411 which is movably connected with the first sliding seat 841 through a bearing 32 is further arranged above the two ball screws 848, one longitudinal end of the fifth rotating shaft 8411 is provided with a first synchronizing wheel 8412 which is connected with the synchronizing wheel 8410 through a transmission synchronous belt (not assembled in the drawing), and the other end of the fifth rotating shaft 8411 penetrates through the matched first sliding seat 841 and is connected; the second rotary adjusting hand wheel 849 is rotated, the side paper separating plate 847 connected with the second rotary adjusting hand wheel 849 can be driven by the matching ball screw 848 to move longitudinally and adjust the longitudinal distance with the paper separating plate 846, and the third rotary adjusting hand wheel 8413 is rotated, the rolling screw 848 matched with the fifth rotary shaft 8411, the first synchronous wheel 8412, the transmission synchronous belt and the synchronous wheel 8410 can be driven by the transmission of the fifth rotary shaft 8411 to drive the other side paper separating plate 847 to move longitudinally and adjust the longitudinal distance with the paper separating plate 846; in this embodiment, the rear paper blocking assembly 85 includes two second sliding seats 851 arranged at a longitudinal interval, a second transmission gear (not shown in the drawings) is embedded in each second sliding seat 851, the two second transmission gears are respectively engaged with a first rack 86 which is arranged on each paper collection vehicle arm 83 and extends transversely, the two second transmission gears are further connected through a sixth rotating shaft 852, a fourth rotary adjusting hand wheel 853 is further arranged at one end of the sixth rotating shaft 852, and the fourth rotary adjusting hand wheel 853 is rotated to enable the sixth rotating shaft 852 to transmit the two second transmission gears to be engaged and rotated relative to the first rack 86 and drive the second sliding seats 851 and the rear paper blocking assembly 85 to move transversely, so as to match the position of the rear paper blocking assembly 85; two second sliding seat 851 is connected the paper seat 854 that keeps off of longitudinal extension, keep off paper 855 after setting firmly on the horizontal lateral wall of paper seat 854, two second sliding seat 851 is still connected longitudinal extension's fixed axle 856, fixed axle 856 passes through side cardboard seat 857 and locking plate 858 and connects both sides board 859, and two side board 859 is relative back board 855 sets up perpendicularly and cooperates the paper groove that keeps off that constitutes the U type.

The above is not intended to limit the technical scope of the present invention, and any modifications, equivalent changes and modifications made to the above embodiments according to the technical spirit of the present invention are all within the scope of the technical solution of the present invention.

Claims

1. A roller paper splitting machine with double rotary knives,

2. The double-rotary-knife cylinder paper splitting machine as claimed in claim 1, wherein the paper feeding system is provided with two paper feeding devices, each paper feeding device comprises a supporting wall plate, a reciprocating rotary shaft, a force arm with a large end connected with the reciprocating rotary shaft, a push-pull rod movably connected with a small end of the force arm through a shaft pin, and a telescopic cylinder in transmission connection with the push-pull rod; the reciprocating rotary shaft and the telescopic cylinder are arranged on the supporting wall plate; the reciprocating rotary shaft comprises a rotary shaft body and a paper roll clamping arm arranged on the rotary shaft body, the rotary shaft body is provided with two linear slide rails, one end of the paper roll clamping arm is connected with the two linear slide rails, the other end of the paper roll clamping arm is connected with a chuck used for clamping roll paper, the end, connected with the linear slide rails, of the paper roll clamping arm is also in transmission connection with a driving cylinder through a locking ring which is used for locking the paper roll clamping arm on the rotary shaft body in a sleeved mode, and the driving cylinder can drive the paper roll clamping arm to slide along the matched linear slide rails and is matched with and adjust the longitudinal distance between the.

3. The double-rotary-knife cylinder paper slitting machine as claimed in claim 2, wherein the deviation correcting system comprises a plurality of deviation correcting assemblies spaced apart in the vertical direction, the number of the deviation correcting assemblies matches the number of the paper feeding devices, each deviation correcting assembly comprises a deviation correcting base fixedly connected with the bridge frame, a set of sliding screws obliquely arranged in the horizontal plane are arranged at both longitudinal ends of the deviation correcting base, two sets of sliding screws are arranged in mirror symmetry in the longitudinal direction, nuts of the sliding screws are connected with a deviation correcting movable seat, an electric push rod in transmission connection with the deviation correcting movable plate is arranged on the deviation correcting base, the electric push rod can cooperate with the sliding screws to drive the deviation correcting movable plate to move in the longitudinal direction, and the electric push rod drives two deviation correcting rollers fixed on the deviation correcting movable plate through bearing seats to move in the longitudinal direction, the two guide rollers fixedly arranged on the bridge are matched to correct the deviation of the roller paper drafted on the guide rollers and the deviation correcting rollers;

4. The double-rotary-knife cylinder paper splitting machine as claimed in claim 1, wherein a synchronous driving wheel is provided at one longitudinal end of the traction roller, and the synchronous driving wheel is in transmission connection with a paper pulling driving motor through a synchronous transmission pair; the two bearing seats connected with the traction compression roller are crankshaft bearing seats, one end of each crankshaft bearing seat is movably connected with the frame through a first rotating shaft, the other end of each crankshaft bearing seat is in transmission connection with a brake cylinder head, the brake cylinder head can drive the traction compression roller to rotate by taking the first rotating shaft as an axis and move towards/away from the traction roller in a matched mode, and adaptive clamping force is provided in a matched mode so that the traction roller can pull the roll paper along the transverse direction;

5. The cylinder paper slitting machine with double rotary knives as claimed in claim 1, wherein the upper high-speed conveying assembly, the lower high-speed conveying assembly and the paper stacking conveying assembly each comprise a paper feeding roller and a tension roller which are mounted on the conveying arm through bearings and are installed longitudinally, the paper feeding roller and the tension roller are connected through a transmission belt in a transmission manner, first synchronous transmission wheels are arranged at two longitudinal ends of the paper feeding roller, the first synchronous transmission wheels arranged on the paper feeding rollers of the upper high-speed conveying assembly and the lower high-speed conveying assembly are connected through a first synchronous belt in a transmission manner, the first synchronous transmission wheel arranged on the other paper feeding roller of the lower high-speed conveying assembly is connected with a high-speed conveying motor through a second synchronous belt in a transmission manner, the first synchronous transmission wheel arranged on the paper feeding roller of the paper stacking conveying assembly is connected with a conveying motor through a third synchronous belt in a transmission manner, the high-speed conveying motor drives the transmission belts of the upper high-speed conveying assembly and the lower, the transmission motor is matched to drive the transmission belt of the paper folding and conveying assembly to rotate in a differential speed mode relative to the transmission belt of the high-speed upper conveying assembly, and the paper which is matched with the clamping and cut moves along the transverse direction and/or a pile of paper is overlapped onto the previous pile of paper and is conveyed to the paper collecting system.

6. The double-rotary-knife cylinder paper splitting machine as claimed in claim 5, wherein the conveying system further comprises a paper-patting assembly disposed at an end of the paper-stacking conveying assembly remote from the conveying assembly at a high speed, the paper-patting assembly comprises a truss arm disposed longitudinally and fixedly connected to the conveying arm through a support, a plurality of fixed paper-patting plates are disposed on a lateral front side wall of the truss arm, a movable rotating rod is further disposed vertically above the truss arm, the movable rotating rod is movably connected to the support through a bearing, a plurality of movable paper-patting plates are disposed on a lateral front side wall of the movable rotating rod, a plurality of fixed paper-patting plates and a plurality of movable paper-patting plates are further disposed in a staggered manner in the longitudinal direction, the movable rotating rod is further in transmission connection with a paper-patting motor through a hinge, a connecting rod and an eccentric wheel, a paper-guiding roller is further mounted at a vertical top end of the two supports through bearings, and the paper-guiding roller is further in, the paper stacking and conveying assembly conveys overlapped paper to the level paper guide roller, the paper shooting motor drives the movable rotating rod to pivot and drive the movable paper shooting plate to movably contact with the paper guide roller and shoot the overlapped paper conveyed by the paper stacking and conveying assembly, and one transverse end of the overlapped paper is aligned in a matching manner;

7. The double-rotary-knife cylinder paper slitting machine according to claim 6 wherein the paper pressing assembly comprises a second rotating shaft longitudinally mounted on the conveying arm through a bearing block, a plurality of pipe clamping bodies capable of movably rotating relative to the second rotating shaft are arranged on the second rotating shaft at intervals in the longitudinal direction, the pipe clamping bodies are movably connected with two first supporting plates through pin shafts, the two first supporting plates are further connected with a paper pressing wheel through first pin shafts, the two first supporting plates are further connected with a crank bolt through second pin shafts, a reset spring is sleeved on the crank bolt, the crank bolt further movably penetrates into a sliding groove formed in the second supporting plate and is locked and attached through a nut, and the second supporting plate is fixedly connected with the pipe clamping bodies; the first supporting plate drives the paper pressing wheel to pivot relative to the pipe clamping body, and the damping provided by the return spring is matched to enable the crank bolt to be matched with the second pin shaft to drive the first supporting plate to pivot reversely, so that the paper pressing wheel is in rolling contact with paper or a transmission belt and extrudes the paper;

8. The double-rotary-knife cylinder paper splitting machine as claimed in any one of claims 1 to 7, wherein the paper receiving assembly comprises driving cylinders fixedly arranged on two side plates of the machine case, the two driving cylinders are vertically arranged and are in transmission connection with a pulling block, a lifting chain wheel is movably arranged on the pulling block, chain wheel transmission shafts are assembled on the two side plates of the machine case through bearings with seats, a rotating chain wheel is arranged at each of two axial ends of the chain wheel transmission shafts, a transmission chain is wound on the rotating chain wheel and the lifting chain wheel, one end of the transmission chain is connected with the chain pulling block, and the other end of the transmission chain is connected with the chain weight block; the double-row steel wire wheel is also arranged on the two sides of the chain wheel transmission shaft matched with the two axial sides of the chain wheel transmission shaft, the double-row transmission chain wheel is fixedly arranged on the inner side walls of the two side plates of the case, two lifting steel wires are wound on the double-row steel wire wheel and the double-row transmission chain wheel, one end of each lifting steel wire is connected with the paper collecting table, the other end of each lifting steel wire is connected with the double-row chain pull block, and a double-row steel wire weight is hung on the part, located between the double-row transmission chain wheel and the; the driving cylinder drives the pulling block to drive the lifting chain wheel to vertically move, the matching transmission chain drives the chain wheel transmission shaft and the double-row steel wire wheels to rotate, and the two double-row steel wire wheels rotate and can drive the paper collection table to vertically move step by step through the lifting steel wires to receive each pile of paper.

9. The double rotary knife cylinder paper slitting machine of claim 8 wherein said aligning assembly includes a finisher assembly and a rear stop assembly mounted on a transversely extending delivery car arm; the paper adjusting assembly comprises two first sliding seats which are longitudinally arranged at intervals, a first transmission gear is embedded in each first sliding seat, the two first transmission gears are respectively meshed and connected with a first rack which is arranged on each paper collecting vehicle arm and extends transversely, the two first transmission gears are further connected through a fourth rotating shaft, and a first rotary adjusting hand wheel is further arranged at one end of the fourth rotating shaft; rotating the first rotary adjusting hand wheel to enable the fourth rotating shaft to drive the two first transmission gears to rotate in a meshed mode relative to the first rack and drive the first sliding seat and the paper adjusting assembly to move transversely to match the position of the paper adjusting assembly; the two first sliding seats are also connected with two linear bearing rods extending longitudinally, the middle parts of the two linear bearing rods are fixedly provided with an installation seat, the bottom end of the installation seat is fixedly provided with a middle paper dividing plate, the two linear bearing rods are also movably provided with two side paper dividing plates, and the two side paper dividing plates are positioned at the two longitudinal ends of the middle paper dividing plate; the two longitudinal sides of the mounting seat are respectively provided with a ball screw, one end of each ball screw is connected with the mounting seat, the other end of each ball screw is connected with the two first sliding seats, the two ball screws are respectively in transmission connection with the paper separating plates on the two sides, one of the two ball screws also longitudinally penetrates through the matched first sliding seat to extend out and is connected with the second rotary adjusting hand wheel, one end of the other ball screw, which is far away from the mounting seat, is provided with a synchronizing wheel, a fifth rotating shaft which is movably connected with the first sliding seat through a bearing is further arranged above the two ball screws, one longitudinal end of the fifth rotating shaft is provided with a first synchronizing wheel which is connected with the synchronizing wheel through a transmission synchronizing belt, and the other end of the fifth rotating shaft penetrates through the matched first sliding seat and is; the second rotary adjusting hand wheel is rotated to longitudinally move and adjust the longitudinal distance between the side paper separating plate and the middle paper separating plate through the transmission of the matched ball screw, and the third rotary adjusting hand wheel is rotated to longitudinally move and adjust the longitudinal distance between the other side paper separating plate and the middle paper separating plate through the transmission of the fifth rotating shaft, the first synchronizing wheel, the transmission synchronous belt and the synchronizing wheel.

10. The double-rotary-knife cylinder paper splitting machine as claimed in claim 9, wherein the rear paper blocking assembly comprises two second sliding seats arranged at intervals in the longitudinal direction, each second sliding seat is embedded with a second transmission gear, the two second transmission gears are respectively meshed and connected with a first rack which is arranged on each paper collecting vehicle arm and extends transversely, the two second transmission gears are further connected through a sixth rotating shaft, a fourth rotary adjusting hand wheel is further arranged at one end of the sixth rotating shaft, and the fourth rotary adjusting hand wheel is rotated to enable the sixth rotating shaft to drive the two second transmission gears to be meshed and rotated relative to the first rack and drive the second sliding seats and the rear paper blocking assembly to move transversely, so as to match and adjust the position of the rear paper blocking assembly; two the second sliding seat is connected with the longitudinally extending paper blocking seat, a rear paper blocking plate is fixedly arranged on one transverse side wall of the paper blocking seat, the second sliding seat is further connected with a longitudinally extending fixing shaft, the fixing shaft is connected with the two side paper blocking plates through a side paper blocking plate seat and a locking plate, and the two side paper blocking plates are opposite to the rear paper blocking plate and are vertically arranged and matched to form a U-shaped paper blocking groove.